| 1 | /* ieee.c -- Read and write IEEE-695 debugging information. |
| 2 | Copyright 1996, 1998, 2000, 2001, 2002, 2003 Free Software Foundation, Inc. |
| 3 | Written by Ian Lance Taylor <ian@cygnus.com>. |
| 4 | |
| 5 | This file is part of GNU Binutils. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 2 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the Free Software |
| 19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA |
| 20 | 02111-1307, USA. */ |
| 21 | |
| 22 | /* This file reads and writes IEEE-695 debugging information. */ |
| 23 | |
| 24 | #include <stdio.h> |
| 25 | #include <assert.h> |
| 26 | |
| 27 | #include "bfd.h" |
| 28 | #include "ieee.h" |
| 29 | #include "bucomm.h" |
| 30 | #include "libiberty.h" |
| 31 | #include "debug.h" |
| 32 | #include "budbg.h" |
| 33 | #include "filenames.h" |
| 34 | |
| 35 | /* This structure holds an entry on the block stack. */ |
| 36 | |
| 37 | struct ieee_block |
| 38 | { |
| 39 | /* The kind of block. */ |
| 40 | int kind; |
| 41 | /* The source file name, for a BB5 block. */ |
| 42 | const char *filename; |
| 43 | /* The index of the function type, for a BB4 or BB6 block. */ |
| 44 | unsigned int fnindx; |
| 45 | /* TRUE if this function is being skipped. */ |
| 46 | bfd_boolean skip; |
| 47 | }; |
| 48 | |
| 49 | /* This structure is the block stack. */ |
| 50 | |
| 51 | #define BLOCKSTACK_SIZE (16) |
| 52 | |
| 53 | struct ieee_blockstack |
| 54 | { |
| 55 | /* The stack pointer. */ |
| 56 | struct ieee_block *bsp; |
| 57 | /* The stack. */ |
| 58 | struct ieee_block stack[BLOCKSTACK_SIZE]; |
| 59 | }; |
| 60 | |
| 61 | /* This structure holds information for a variable. */ |
| 62 | |
| 63 | struct ieee_var |
| 64 | { |
| 65 | /* Start of name. */ |
| 66 | const char *name; |
| 67 | /* Length of name. */ |
| 68 | unsigned long namlen; |
| 69 | /* Type. */ |
| 70 | debug_type type; |
| 71 | /* Slot if we make an indirect type. */ |
| 72 | debug_type *pslot; |
| 73 | /* Kind of variable or function. */ |
| 74 | enum |
| 75 | { |
| 76 | IEEE_UNKNOWN, |
| 77 | IEEE_EXTERNAL, |
| 78 | IEEE_GLOBAL, |
| 79 | IEEE_STATIC, |
| 80 | IEEE_LOCAL, |
| 81 | IEEE_FUNCTION |
| 82 | } kind; |
| 83 | }; |
| 84 | |
| 85 | /* This structure holds all the variables. */ |
| 86 | |
| 87 | struct ieee_vars |
| 88 | { |
| 89 | /* Number of slots allocated. */ |
| 90 | unsigned int alloc; |
| 91 | /* Variables. */ |
| 92 | struct ieee_var *vars; |
| 93 | }; |
| 94 | |
| 95 | /* This structure holds information for a type. We need this because |
| 96 | we don't want to represent bitfields as real types. */ |
| 97 | |
| 98 | struct ieee_type |
| 99 | { |
| 100 | /* Type. */ |
| 101 | debug_type type; |
| 102 | /* Slot if this is type is referenced before it is defined. */ |
| 103 | debug_type *pslot; |
| 104 | /* Slots for arguments if we make indirect types for them. */ |
| 105 | debug_type *arg_slots; |
| 106 | /* If this is a bitfield, this is the size in bits. If this is not |
| 107 | a bitfield, this is zero. */ |
| 108 | unsigned long bitsize; |
| 109 | }; |
| 110 | |
| 111 | /* This structure holds all the type information. */ |
| 112 | |
| 113 | struct ieee_types |
| 114 | { |
| 115 | /* Number of slots allocated. */ |
| 116 | unsigned int alloc; |
| 117 | /* Types. */ |
| 118 | struct ieee_type *types; |
| 119 | /* Builtin types. */ |
| 120 | #define BUILTIN_TYPE_COUNT (60) |
| 121 | debug_type builtins[BUILTIN_TYPE_COUNT]; |
| 122 | }; |
| 123 | |
| 124 | /* This structure holds a linked last of structs with their tag names, |
| 125 | so that we can convert them to C++ classes if necessary. */ |
| 126 | |
| 127 | struct ieee_tag |
| 128 | { |
| 129 | /* Next tag. */ |
| 130 | struct ieee_tag *next; |
| 131 | /* This tag name. */ |
| 132 | const char *name; |
| 133 | /* The type of the tag. */ |
| 134 | debug_type type; |
| 135 | /* The tagged type is an indirect type pointing at this slot. */ |
| 136 | debug_type slot; |
| 137 | /* This is an array of slots used when a field type is converted |
| 138 | into a indirect type, in case it needs to be later converted into |
| 139 | a reference type. */ |
| 140 | debug_type *fslots; |
| 141 | }; |
| 142 | |
| 143 | /* This structure holds the information we pass around to the parsing |
| 144 | functions. */ |
| 145 | |
| 146 | struct ieee_info |
| 147 | { |
| 148 | /* The debugging handle. */ |
| 149 | void *dhandle; |
| 150 | /* The BFD. */ |
| 151 | bfd *abfd; |
| 152 | /* The start of the bytes to be parsed. */ |
| 153 | const bfd_byte *bytes; |
| 154 | /* The end of the bytes to be parsed. */ |
| 155 | const bfd_byte *pend; |
| 156 | /* The block stack. */ |
| 157 | struct ieee_blockstack blockstack; |
| 158 | /* Whether we have seen a BB1 or BB2. */ |
| 159 | bfd_boolean saw_filename; |
| 160 | /* The variables. */ |
| 161 | struct ieee_vars vars; |
| 162 | /* The global variables, after a global typedef block. */ |
| 163 | struct ieee_vars *global_vars; |
| 164 | /* The types. */ |
| 165 | struct ieee_types types; |
| 166 | /* The global types, after a global typedef block. */ |
| 167 | struct ieee_types *global_types; |
| 168 | /* The list of tagged structs. */ |
| 169 | struct ieee_tag *tags; |
| 170 | }; |
| 171 | |
| 172 | /* Basic builtin types, not including the pointers. */ |
| 173 | |
| 174 | enum builtin_types |
| 175 | { |
| 176 | builtin_unknown = 0, |
| 177 | builtin_void = 1, |
| 178 | builtin_signed_char = 2, |
| 179 | builtin_unsigned_char = 3, |
| 180 | builtin_signed_short_int = 4, |
| 181 | builtin_unsigned_short_int = 5, |
| 182 | builtin_signed_long = 6, |
| 183 | builtin_unsigned_long = 7, |
| 184 | builtin_signed_long_long = 8, |
| 185 | builtin_unsigned_long_long = 9, |
| 186 | builtin_float = 10, |
| 187 | builtin_double = 11, |
| 188 | builtin_long_double = 12, |
| 189 | builtin_long_long_double = 13, |
| 190 | builtin_quoted_string = 14, |
| 191 | builtin_instruction_address = 15, |
| 192 | builtin_int = 16, |
| 193 | builtin_unsigned = 17, |
| 194 | builtin_unsigned_int = 18, |
| 195 | builtin_char = 19, |
| 196 | builtin_long = 20, |
| 197 | builtin_short = 21, |
| 198 | builtin_unsigned_short = 22, |
| 199 | builtin_short_int = 23, |
| 200 | builtin_signed_short = 24, |
| 201 | builtin_bcd_float = 25 |
| 202 | }; |
| 203 | |
| 204 | /* These are the values found in the derivation flags of a 'b' |
| 205 | component record of a 'T' type extension record in a C++ pmisc |
| 206 | record. These are bitmasks. */ |
| 207 | |
| 208 | /* Set for a private base class, clear for a public base class. |
| 209 | Protected base classes are not supported. */ |
| 210 | #define BASEFLAGS_PRIVATE (0x1) |
| 211 | /* Set for a virtual base class. */ |
| 212 | #define BASEFLAGS_VIRTUAL (0x2) |
| 213 | /* Set for a friend class, clear for a base class. */ |
| 214 | #define BASEFLAGS_FRIEND (0x10) |
| 215 | |
| 216 | /* These are the values found in the specs flags of a 'd', 'm', or 'v' |
| 217 | component record of a 'T' type extension record in a C++ pmisc |
| 218 | record. The same flags are used for a 'M' record in a C++ pmisc |
| 219 | record. */ |
| 220 | |
| 221 | /* The lower two bits hold visibility information. */ |
| 222 | #define CXXFLAGS_VISIBILITY (0x3) |
| 223 | /* This value in the lower two bits indicates a public member. */ |
| 224 | #define CXXFLAGS_VISIBILITY_PUBLIC (0x0) |
| 225 | /* This value in the lower two bits indicates a private member. */ |
| 226 | #define CXXFLAGS_VISIBILITY_PRIVATE (0x1) |
| 227 | /* This value in the lower two bits indicates a protected member. */ |
| 228 | #define CXXFLAGS_VISIBILITY_PROTECTED (0x2) |
| 229 | /* Set for a static member. */ |
| 230 | #define CXXFLAGS_STATIC (0x4) |
| 231 | /* Set for a virtual override. */ |
| 232 | #define CXXFLAGS_OVERRIDE (0x8) |
| 233 | /* Set for a friend function. */ |
| 234 | #define CXXFLAGS_FRIEND (0x10) |
| 235 | /* Set for a const function. */ |
| 236 | #define CXXFLAGS_CONST (0x20) |
| 237 | /* Set for a volatile function. */ |
| 238 | #define CXXFLAGS_VOLATILE (0x40) |
| 239 | /* Set for an overloaded function. */ |
| 240 | #define CXXFLAGS_OVERLOADED (0x80) |
| 241 | /* Set for an operator function. */ |
| 242 | #define CXXFLAGS_OPERATOR (0x100) |
| 243 | /* Set for a constructor or destructor. */ |
| 244 | #define CXXFLAGS_CTORDTOR (0x400) |
| 245 | /* Set for a constructor. */ |
| 246 | #define CXXFLAGS_CTOR (0x200) |
| 247 | /* Set for an inline function. */ |
| 248 | #define CXXFLAGS_INLINE (0x800) |
| 249 | |
| 250 | /* Local functions. */ |
| 251 | |
| 252 | static void ieee_error (struct ieee_info *, const bfd_byte *, const char *); |
| 253 | static void ieee_eof (struct ieee_info *); |
| 254 | static char *savestring (const char *, unsigned long); |
| 255 | static bfd_boolean ieee_read_number |
| 256 | (struct ieee_info *, const bfd_byte **, bfd_vma *); |
| 257 | static bfd_boolean ieee_read_optional_number |
| 258 | (struct ieee_info *, const bfd_byte **, bfd_vma *, bfd_boolean *); |
| 259 | static bfd_boolean ieee_read_id |
| 260 | (struct ieee_info *, const bfd_byte **, const char **, unsigned long *); |
| 261 | static bfd_boolean ieee_read_optional_id |
| 262 | (struct ieee_info *, const bfd_byte **, const char **, unsigned long *, |
| 263 | bfd_boolean *); |
| 264 | static bfd_boolean ieee_read_expression |
| 265 | (struct ieee_info *, const bfd_byte **, bfd_vma *); |
| 266 | static debug_type ieee_builtin_type |
| 267 | (struct ieee_info *, const bfd_byte *, unsigned int); |
| 268 | static bfd_boolean ieee_alloc_type |
| 269 | (struct ieee_info *, unsigned int, bfd_boolean); |
| 270 | static bfd_boolean ieee_read_type_index |
| 271 | (struct ieee_info *, const bfd_byte **, debug_type *); |
| 272 | static int ieee_regno_to_genreg (bfd *, int); |
| 273 | static int ieee_genreg_to_regno (bfd *, int); |
| 274 | static bfd_boolean parse_ieee_bb (struct ieee_info *, const bfd_byte **); |
| 275 | static bfd_boolean parse_ieee_be (struct ieee_info *, const bfd_byte **); |
| 276 | static bfd_boolean parse_ieee_nn (struct ieee_info *, const bfd_byte **); |
| 277 | static bfd_boolean parse_ieee_ty (struct ieee_info *, const bfd_byte **); |
| 278 | static bfd_boolean parse_ieee_atn (struct ieee_info *, const bfd_byte **); |
| 279 | static bfd_boolean ieee_read_cxx_misc |
| 280 | (struct ieee_info *, const bfd_byte **, unsigned long); |
| 281 | static bfd_boolean ieee_read_cxx_class |
| 282 | (struct ieee_info *, const bfd_byte **, unsigned long); |
| 283 | static bfd_boolean ieee_read_cxx_defaults |
| 284 | (struct ieee_info *, const bfd_byte **, unsigned long); |
| 285 | static bfd_boolean ieee_read_reference |
| 286 | (struct ieee_info *, const bfd_byte **); |
| 287 | static bfd_boolean ieee_require_asn |
| 288 | (struct ieee_info *, const bfd_byte **, bfd_vma *); |
| 289 | static bfd_boolean ieee_require_atn65 |
| 290 | (struct ieee_info *, const bfd_byte **, const char **, unsigned long *); |
| 291 | |
| 292 | /* Report an error in the IEEE debugging information. */ |
| 293 | |
| 294 | static void |
| 295 | ieee_error (struct ieee_info *info, const bfd_byte *p, const char *s) |
| 296 | { |
| 297 | if (p != NULL) |
| 298 | fprintf (stderr, "%s: 0x%lx: %s (0x%x)\n", bfd_get_filename (info->abfd), |
| 299 | (unsigned long) (p - info->bytes), s, *p); |
| 300 | else |
| 301 | fprintf (stderr, "%s: %s\n", bfd_get_filename (info->abfd), s); |
| 302 | } |
| 303 | |
| 304 | /* Report an unexpected EOF in the IEEE debugging information. */ |
| 305 | |
| 306 | static void |
| 307 | ieee_eof (struct ieee_info *info) |
| 308 | { |
| 309 | ieee_error (info, (const bfd_byte *) NULL, |
| 310 | _("unexpected end of debugging information")); |
| 311 | } |
| 312 | |
| 313 | /* Save a string in memory. */ |
| 314 | |
| 315 | static char * |
| 316 | savestring (const char *start, unsigned long len) |
| 317 | { |
| 318 | char *ret; |
| 319 | |
| 320 | ret = (char *) xmalloc (len + 1); |
| 321 | memcpy (ret, start, len); |
| 322 | ret[len] = '\0'; |
| 323 | return ret; |
| 324 | } |
| 325 | |
| 326 | /* Read a number which must be present in an IEEE file. */ |
| 327 | |
| 328 | static bfd_boolean |
| 329 | ieee_read_number (struct ieee_info *info, const bfd_byte **pp, bfd_vma *pv) |
| 330 | { |
| 331 | return ieee_read_optional_number (info, pp, pv, (bfd_boolean *) NULL); |
| 332 | } |
| 333 | |
| 334 | /* Read a number in an IEEE file. If ppresent is not NULL, the number |
| 335 | need not be there. */ |
| 336 | |
| 337 | static bfd_boolean |
| 338 | ieee_read_optional_number (struct ieee_info *info, const bfd_byte **pp, |
| 339 | bfd_vma *pv, bfd_boolean *ppresent) |
| 340 | { |
| 341 | ieee_record_enum_type b; |
| 342 | |
| 343 | if (*pp >= info->pend) |
| 344 | { |
| 345 | if (ppresent != NULL) |
| 346 | { |
| 347 | *ppresent = FALSE; |
| 348 | return TRUE; |
| 349 | } |
| 350 | ieee_eof (info); |
| 351 | return FALSE; |
| 352 | } |
| 353 | |
| 354 | b = (ieee_record_enum_type) **pp; |
| 355 | ++*pp; |
| 356 | |
| 357 | if (b <= ieee_number_end_enum) |
| 358 | { |
| 359 | *pv = (bfd_vma) b; |
| 360 | if (ppresent != NULL) |
| 361 | *ppresent = TRUE; |
| 362 | return TRUE; |
| 363 | } |
| 364 | |
| 365 | if (b >= ieee_number_repeat_start_enum && b <= ieee_number_repeat_end_enum) |
| 366 | { |
| 367 | unsigned int i; |
| 368 | |
| 369 | i = (int) b - (int) ieee_number_repeat_start_enum; |
| 370 | if (*pp + i - 1 >= info->pend) |
| 371 | { |
| 372 | ieee_eof (info); |
| 373 | return FALSE; |
| 374 | } |
| 375 | |
| 376 | *pv = 0; |
| 377 | for (; i > 0; i--) |
| 378 | { |
| 379 | *pv <<= 8; |
| 380 | *pv += **pp; |
| 381 | ++*pp; |
| 382 | } |
| 383 | |
| 384 | if (ppresent != NULL) |
| 385 | *ppresent = TRUE; |
| 386 | |
| 387 | return TRUE; |
| 388 | } |
| 389 | |
| 390 | if (ppresent != NULL) |
| 391 | { |
| 392 | --*pp; |
| 393 | *ppresent = FALSE; |
| 394 | return TRUE; |
| 395 | } |
| 396 | |
| 397 | ieee_error (info, *pp - 1, _("invalid number")); |
| 398 | return FALSE; |
| 399 | } |
| 400 | |
| 401 | /* Read a required string from an IEEE file. */ |
| 402 | |
| 403 | static bfd_boolean |
| 404 | ieee_read_id (struct ieee_info *info, const bfd_byte **pp, |
| 405 | const char **pname, unsigned long *pnamlen) |
| 406 | { |
| 407 | return ieee_read_optional_id (info, pp, pname, pnamlen, (bfd_boolean *) NULL); |
| 408 | } |
| 409 | |
| 410 | /* Read a string from an IEEE file. If ppresent is not NULL, the |
| 411 | string is optional. */ |
| 412 | |
| 413 | static bfd_boolean |
| 414 | ieee_read_optional_id (struct ieee_info *info, const bfd_byte **pp, |
| 415 | const char **pname, unsigned long *pnamlen, |
| 416 | bfd_boolean *ppresent) |
| 417 | { |
| 418 | bfd_byte b; |
| 419 | unsigned long len; |
| 420 | |
| 421 | if (*pp >= info->pend) |
| 422 | { |
| 423 | ieee_eof (info); |
| 424 | return FALSE; |
| 425 | } |
| 426 | |
| 427 | b = **pp; |
| 428 | ++*pp; |
| 429 | |
| 430 | if (b <= 0x7f) |
| 431 | len = b; |
| 432 | else if ((ieee_record_enum_type) b == ieee_extension_length_1_enum) |
| 433 | { |
| 434 | len = **pp; |
| 435 | ++*pp; |
| 436 | } |
| 437 | else if ((ieee_record_enum_type) b == ieee_extension_length_2_enum) |
| 438 | { |
| 439 | len = (**pp << 8) + (*pp)[1]; |
| 440 | *pp += 2; |
| 441 | } |
| 442 | else |
| 443 | { |
| 444 | if (ppresent != NULL) |
| 445 | { |
| 446 | --*pp; |
| 447 | *ppresent = FALSE; |
| 448 | return TRUE; |
| 449 | } |
| 450 | ieee_error (info, *pp - 1, _("invalid string length")); |
| 451 | return FALSE; |
| 452 | } |
| 453 | |
| 454 | if ((unsigned long) (info->pend - *pp) < len) |
| 455 | { |
| 456 | ieee_eof (info); |
| 457 | return FALSE; |
| 458 | } |
| 459 | |
| 460 | *pname = (const char *) *pp; |
| 461 | *pnamlen = len; |
| 462 | *pp += len; |
| 463 | |
| 464 | if (ppresent != NULL) |
| 465 | *ppresent = TRUE; |
| 466 | |
| 467 | return TRUE; |
| 468 | } |
| 469 | |
| 470 | /* Read an expression from an IEEE file. Since this code is only used |
| 471 | to parse debugging information, I haven't bothered to write a full |
| 472 | blown IEEE expression parser. I've only thrown in the things I've |
| 473 | seen in debugging information. This can be easily extended if |
| 474 | necessary. */ |
| 475 | |
| 476 | static bfd_boolean |
| 477 | ieee_read_expression (struct ieee_info *info, const bfd_byte **pp, |
| 478 | bfd_vma *pv) |
| 479 | { |
| 480 | const bfd_byte *expr_start; |
| 481 | #define EXPR_STACK_SIZE (10) |
| 482 | bfd_vma expr_stack[EXPR_STACK_SIZE]; |
| 483 | bfd_vma *esp; |
| 484 | |
| 485 | expr_start = *pp; |
| 486 | |
| 487 | esp = expr_stack; |
| 488 | |
| 489 | while (1) |
| 490 | { |
| 491 | const bfd_byte *start; |
| 492 | bfd_vma val; |
| 493 | bfd_boolean present; |
| 494 | ieee_record_enum_type c; |
| 495 | |
| 496 | start = *pp; |
| 497 | |
| 498 | if (! ieee_read_optional_number (info, pp, &val, &present)) |
| 499 | return FALSE; |
| 500 | |
| 501 | if (present) |
| 502 | { |
| 503 | if (esp - expr_stack >= EXPR_STACK_SIZE) |
| 504 | { |
| 505 | ieee_error (info, start, _("expression stack overflow")); |
| 506 | return FALSE; |
| 507 | } |
| 508 | *esp++ = val; |
| 509 | continue; |
| 510 | } |
| 511 | |
| 512 | c = (ieee_record_enum_type) **pp; |
| 513 | |
| 514 | if (c >= ieee_module_beginning_enum) |
| 515 | break; |
| 516 | |
| 517 | ++*pp; |
| 518 | |
| 519 | if (c == ieee_comma) |
| 520 | break; |
| 521 | |
| 522 | switch (c) |
| 523 | { |
| 524 | default: |
| 525 | ieee_error (info, start, _("unsupported IEEE expression operator")); |
| 526 | break; |
| 527 | |
| 528 | case ieee_variable_R_enum: |
| 529 | { |
| 530 | bfd_vma indx; |
| 531 | asection *s; |
| 532 | |
| 533 | if (! ieee_read_number (info, pp, &indx)) |
| 534 | return FALSE; |
| 535 | for (s = info->abfd->sections; s != NULL; s = s->next) |
| 536 | if ((bfd_vma) s->target_index == indx) |
| 537 | break; |
| 538 | if (s == NULL) |
| 539 | { |
| 540 | ieee_error (info, start, _("unknown section")); |
| 541 | return FALSE; |
| 542 | } |
| 543 | |
| 544 | if (esp - expr_stack >= EXPR_STACK_SIZE) |
| 545 | { |
| 546 | ieee_error (info, start, _("expression stack overflow")); |
| 547 | return FALSE; |
| 548 | } |
| 549 | |
| 550 | *esp++ = bfd_get_section_vma (info->abfd, s); |
| 551 | } |
| 552 | break; |
| 553 | |
| 554 | case ieee_function_plus_enum: |
| 555 | case ieee_function_minus_enum: |
| 556 | { |
| 557 | bfd_vma v1, v2; |
| 558 | |
| 559 | if (esp - expr_stack < 2) |
| 560 | { |
| 561 | ieee_error (info, start, _("expression stack underflow")); |
| 562 | return FALSE; |
| 563 | } |
| 564 | |
| 565 | v1 = *--esp; |
| 566 | v2 = *--esp; |
| 567 | *esp++ = v1 + v2; |
| 568 | } |
| 569 | break; |
| 570 | } |
| 571 | } |
| 572 | |
| 573 | if (esp - 1 != expr_stack) |
| 574 | { |
| 575 | ieee_error (info, expr_start, _("expression stack mismatch")); |
| 576 | return FALSE; |
| 577 | } |
| 578 | |
| 579 | *pv = *--esp; |
| 580 | |
| 581 | return TRUE; |
| 582 | } |
| 583 | |
| 584 | /* Return an IEEE builtin type. */ |
| 585 | |
| 586 | static debug_type |
| 587 | ieee_builtin_type (struct ieee_info *info, const bfd_byte *p, |
| 588 | unsigned int indx) |
| 589 | { |
| 590 | void *dhandle; |
| 591 | debug_type type; |
| 592 | const char *name; |
| 593 | |
| 594 | if (indx < BUILTIN_TYPE_COUNT |
| 595 | && info->types.builtins[indx] != DEBUG_TYPE_NULL) |
| 596 | return info->types.builtins[indx]; |
| 597 | |
| 598 | dhandle = info->dhandle; |
| 599 | |
| 600 | if (indx >= 32 && indx < 64) |
| 601 | { |
| 602 | type = debug_make_pointer_type (dhandle, |
| 603 | ieee_builtin_type (info, p, indx - 32)); |
| 604 | assert (indx < BUILTIN_TYPE_COUNT); |
| 605 | info->types.builtins[indx] = type; |
| 606 | return type; |
| 607 | } |
| 608 | |
| 609 | switch ((enum builtin_types) indx) |
| 610 | { |
| 611 | default: |
| 612 | ieee_error (info, p, _("unknown builtin type")); |
| 613 | return NULL; |
| 614 | |
| 615 | case builtin_unknown: |
| 616 | type = debug_make_void_type (dhandle); |
| 617 | name = NULL; |
| 618 | break; |
| 619 | |
| 620 | case builtin_void: |
| 621 | type = debug_make_void_type (dhandle); |
| 622 | name = "void"; |
| 623 | break; |
| 624 | |
| 625 | case builtin_signed_char: |
| 626 | type = debug_make_int_type (dhandle, 1, FALSE); |
| 627 | name = "signed char"; |
| 628 | break; |
| 629 | |
| 630 | case builtin_unsigned_char: |
| 631 | type = debug_make_int_type (dhandle, 1, TRUE); |
| 632 | name = "unsigned char"; |
| 633 | break; |
| 634 | |
| 635 | case builtin_signed_short_int: |
| 636 | type = debug_make_int_type (dhandle, 2, FALSE); |
| 637 | name = "signed short int"; |
| 638 | break; |
| 639 | |
| 640 | case builtin_unsigned_short_int: |
| 641 | type = debug_make_int_type (dhandle, 2, TRUE); |
| 642 | name = "unsigned short int"; |
| 643 | break; |
| 644 | |
| 645 | case builtin_signed_long: |
| 646 | type = debug_make_int_type (dhandle, 4, FALSE); |
| 647 | name = "signed long"; |
| 648 | break; |
| 649 | |
| 650 | case builtin_unsigned_long: |
| 651 | type = debug_make_int_type (dhandle, 4, TRUE); |
| 652 | name = "unsigned long"; |
| 653 | break; |
| 654 | |
| 655 | case builtin_signed_long_long: |
| 656 | type = debug_make_int_type (dhandle, 8, FALSE); |
| 657 | name = "signed long long"; |
| 658 | break; |
| 659 | |
| 660 | case builtin_unsigned_long_long: |
| 661 | type = debug_make_int_type (dhandle, 8, TRUE); |
| 662 | name = "unsigned long long"; |
| 663 | break; |
| 664 | |
| 665 | case builtin_float: |
| 666 | type = debug_make_float_type (dhandle, 4); |
| 667 | name = "float"; |
| 668 | break; |
| 669 | |
| 670 | case builtin_double: |
| 671 | type = debug_make_float_type (dhandle, 8); |
| 672 | name = "double"; |
| 673 | break; |
| 674 | |
| 675 | case builtin_long_double: |
| 676 | /* FIXME: The size for this type should depend upon the |
| 677 | processor. */ |
| 678 | type = debug_make_float_type (dhandle, 12); |
| 679 | name = "long double"; |
| 680 | break; |
| 681 | |
| 682 | case builtin_long_long_double: |
| 683 | type = debug_make_float_type (dhandle, 16); |
| 684 | name = "long long double"; |
| 685 | break; |
| 686 | |
| 687 | case builtin_quoted_string: |
| 688 | type = debug_make_array_type (dhandle, |
| 689 | ieee_builtin_type (info, p, |
| 690 | ((unsigned int) |
| 691 | builtin_char)), |
| 692 | ieee_builtin_type (info, p, |
| 693 | ((unsigned int) |
| 694 | builtin_int)), |
| 695 | 0, -1, TRUE); |
| 696 | name = "QUOTED STRING"; |
| 697 | break; |
| 698 | |
| 699 | case builtin_instruction_address: |
| 700 | /* FIXME: This should be a code address. */ |
| 701 | type = debug_make_int_type (dhandle, 4, TRUE); |
| 702 | name = "instruction address"; |
| 703 | break; |
| 704 | |
| 705 | case builtin_int: |
| 706 | /* FIXME: The size for this type should depend upon the |
| 707 | processor. */ |
| 708 | type = debug_make_int_type (dhandle, 4, FALSE); |
| 709 | name = "int"; |
| 710 | break; |
| 711 | |
| 712 | case builtin_unsigned: |
| 713 | /* FIXME: The size for this type should depend upon the |
| 714 | processor. */ |
| 715 | type = debug_make_int_type (dhandle, 4, TRUE); |
| 716 | name = "unsigned"; |
| 717 | break; |
| 718 | |
| 719 | case builtin_unsigned_int: |
| 720 | /* FIXME: The size for this type should depend upon the |
| 721 | processor. */ |
| 722 | type = debug_make_int_type (dhandle, 4, TRUE); |
| 723 | name = "unsigned int"; |
| 724 | break; |
| 725 | |
| 726 | case builtin_char: |
| 727 | type = debug_make_int_type (dhandle, 1, FALSE); |
| 728 | name = "char"; |
| 729 | break; |
| 730 | |
| 731 | case builtin_long: |
| 732 | type = debug_make_int_type (dhandle, 4, FALSE); |
| 733 | name = "long"; |
| 734 | break; |
| 735 | |
| 736 | case builtin_short: |
| 737 | type = debug_make_int_type (dhandle, 2, FALSE); |
| 738 | name = "short"; |
| 739 | break; |
| 740 | |
| 741 | case builtin_unsigned_short: |
| 742 | type = debug_make_int_type (dhandle, 2, TRUE); |
| 743 | name = "unsigned short"; |
| 744 | break; |
| 745 | |
| 746 | case builtin_short_int: |
| 747 | type = debug_make_int_type (dhandle, 2, FALSE); |
| 748 | name = "short int"; |
| 749 | break; |
| 750 | |
| 751 | case builtin_signed_short: |
| 752 | type = debug_make_int_type (dhandle, 2, FALSE); |
| 753 | name = "signed short"; |
| 754 | break; |
| 755 | |
| 756 | case builtin_bcd_float: |
| 757 | ieee_error (info, p, _("BCD float type not supported")); |
| 758 | return DEBUG_TYPE_NULL; |
| 759 | } |
| 760 | |
| 761 | if (name != NULL) |
| 762 | type = debug_name_type (dhandle, name, type); |
| 763 | |
| 764 | assert (indx < BUILTIN_TYPE_COUNT); |
| 765 | |
| 766 | info->types.builtins[indx] = type; |
| 767 | |
| 768 | return type; |
| 769 | } |
| 770 | |
| 771 | /* Allocate more space in the type table. If ref is TRUE, this is a |
| 772 | reference to the type; if it is not already defined, we should set |
| 773 | up an indirect type. */ |
| 774 | |
| 775 | static bfd_boolean |
| 776 | ieee_alloc_type (struct ieee_info *info, unsigned int indx, bfd_boolean ref) |
| 777 | { |
| 778 | unsigned int nalloc; |
| 779 | register struct ieee_type *t; |
| 780 | struct ieee_type *tend; |
| 781 | |
| 782 | if (indx >= info->types.alloc) |
| 783 | { |
| 784 | nalloc = info->types.alloc; |
| 785 | if (nalloc == 0) |
| 786 | nalloc = 4; |
| 787 | while (indx >= nalloc) |
| 788 | nalloc *= 2; |
| 789 | |
| 790 | info->types.types = ((struct ieee_type *) |
| 791 | xrealloc (info->types.types, |
| 792 | nalloc * sizeof *info->types.types)); |
| 793 | |
| 794 | memset (info->types.types + info->types.alloc, 0, |
| 795 | (nalloc - info->types.alloc) * sizeof *info->types.types); |
| 796 | |
| 797 | tend = info->types.types + nalloc; |
| 798 | for (t = info->types.types + info->types.alloc; t < tend; t++) |
| 799 | t->type = DEBUG_TYPE_NULL; |
| 800 | |
| 801 | info->types.alloc = nalloc; |
| 802 | } |
| 803 | |
| 804 | if (ref) |
| 805 | { |
| 806 | t = info->types.types + indx; |
| 807 | if (t->type == NULL) |
| 808 | { |
| 809 | t->pslot = (debug_type *) xmalloc (sizeof *t->pslot); |
| 810 | *t->pslot = DEBUG_TYPE_NULL; |
| 811 | t->type = debug_make_indirect_type (info->dhandle, t->pslot, |
| 812 | (const char *) NULL); |
| 813 | if (t->type == NULL) |
| 814 | return FALSE; |
| 815 | } |
| 816 | } |
| 817 | |
| 818 | return TRUE; |
| 819 | } |
| 820 | |
| 821 | /* Read a type index and return the corresponding type. */ |
| 822 | |
| 823 | static bfd_boolean |
| 824 | ieee_read_type_index (struct ieee_info *info, const bfd_byte **pp, |
| 825 | debug_type *ptype) |
| 826 | { |
| 827 | const bfd_byte *start; |
| 828 | bfd_vma indx; |
| 829 | |
| 830 | start = *pp; |
| 831 | |
| 832 | if (! ieee_read_number (info, pp, &indx)) |
| 833 | return FALSE; |
| 834 | |
| 835 | if (indx < 256) |
| 836 | { |
| 837 | *ptype = ieee_builtin_type (info, start, indx); |
| 838 | if (*ptype == NULL) |
| 839 | return FALSE; |
| 840 | return TRUE; |
| 841 | } |
| 842 | |
| 843 | indx -= 256; |
| 844 | if (! ieee_alloc_type (info, indx, TRUE)) |
| 845 | return FALSE; |
| 846 | |
| 847 | *ptype = info->types.types[indx].type; |
| 848 | |
| 849 | return TRUE; |
| 850 | } |
| 851 | |
| 852 | /* Parse IEEE debugging information for a file. This is passed the |
| 853 | bytes which compose the Debug Information Part of an IEEE file. */ |
| 854 | |
| 855 | bfd_boolean |
| 856 | parse_ieee (void *dhandle, bfd *abfd, const bfd_byte *bytes, bfd_size_type len) |
| 857 | { |
| 858 | struct ieee_info info; |
| 859 | unsigned int i; |
| 860 | const bfd_byte *p, *pend; |
| 861 | |
| 862 | info.dhandle = dhandle; |
| 863 | info.abfd = abfd; |
| 864 | info.bytes = bytes; |
| 865 | info.pend = bytes + len; |
| 866 | info.blockstack.bsp = info.blockstack.stack; |
| 867 | info.saw_filename = FALSE; |
| 868 | info.vars.alloc = 0; |
| 869 | info.vars.vars = NULL; |
| 870 | info.global_vars = NULL; |
| 871 | info.types.alloc = 0; |
| 872 | info.types.types = NULL; |
| 873 | info.global_types = NULL; |
| 874 | info.tags = NULL; |
| 875 | for (i = 0; i < BUILTIN_TYPE_COUNT; i++) |
| 876 | info.types.builtins[i] = DEBUG_TYPE_NULL; |
| 877 | |
| 878 | p = bytes; |
| 879 | pend = info.pend; |
| 880 | while (p < pend) |
| 881 | { |
| 882 | const bfd_byte *record_start; |
| 883 | ieee_record_enum_type c; |
| 884 | |
| 885 | record_start = p; |
| 886 | |
| 887 | c = (ieee_record_enum_type) *p++; |
| 888 | |
| 889 | if (c == ieee_at_record_enum) |
| 890 | c = (ieee_record_enum_type) (((unsigned int) c << 8) | *p++); |
| 891 | |
| 892 | if (c <= ieee_number_repeat_end_enum) |
| 893 | { |
| 894 | ieee_error (&info, record_start, _("unexpected number")); |
| 895 | return FALSE; |
| 896 | } |
| 897 | |
| 898 | switch (c) |
| 899 | { |
| 900 | default: |
| 901 | ieee_error (&info, record_start, _("unexpected record type")); |
| 902 | return FALSE; |
| 903 | |
| 904 | case ieee_bb_record_enum: |
| 905 | if (! parse_ieee_bb (&info, &p)) |
| 906 | return FALSE; |
| 907 | break; |
| 908 | |
| 909 | case ieee_be_record_enum: |
| 910 | if (! parse_ieee_be (&info, &p)) |
| 911 | return FALSE; |
| 912 | break; |
| 913 | |
| 914 | case ieee_nn_record: |
| 915 | if (! parse_ieee_nn (&info, &p)) |
| 916 | return FALSE; |
| 917 | break; |
| 918 | |
| 919 | case ieee_ty_record_enum: |
| 920 | if (! parse_ieee_ty (&info, &p)) |
| 921 | return FALSE; |
| 922 | break; |
| 923 | |
| 924 | case ieee_atn_record_enum: |
| 925 | if (! parse_ieee_atn (&info, &p)) |
| 926 | return FALSE; |
| 927 | break; |
| 928 | } |
| 929 | } |
| 930 | |
| 931 | if (info.blockstack.bsp != info.blockstack.stack) |
| 932 | { |
| 933 | ieee_error (&info, (const bfd_byte *) NULL, |
| 934 | _("blocks left on stack at end")); |
| 935 | return FALSE; |
| 936 | } |
| 937 | |
| 938 | return TRUE; |
| 939 | } |
| 940 | |
| 941 | /* Handle an IEEE BB record. */ |
| 942 | |
| 943 | static bfd_boolean |
| 944 | parse_ieee_bb (struct ieee_info *info, const bfd_byte **pp) |
| 945 | { |
| 946 | const bfd_byte *block_start; |
| 947 | bfd_byte b; |
| 948 | bfd_vma size; |
| 949 | const char *name; |
| 950 | unsigned long namlen; |
| 951 | char *namcopy = NULL; |
| 952 | unsigned int fnindx; |
| 953 | bfd_boolean skip; |
| 954 | |
| 955 | block_start = *pp; |
| 956 | |
| 957 | b = **pp; |
| 958 | ++*pp; |
| 959 | |
| 960 | if (! ieee_read_number (info, pp, &size) |
| 961 | || ! ieee_read_id (info, pp, &name, &namlen)) |
| 962 | return FALSE; |
| 963 | |
| 964 | fnindx = (unsigned int) -1; |
| 965 | skip = FALSE; |
| 966 | |
| 967 | switch (b) |
| 968 | { |
| 969 | case 1: |
| 970 | /* BB1: Type definitions local to a module. */ |
| 971 | namcopy = savestring (name, namlen); |
| 972 | if (namcopy == NULL) |
| 973 | return FALSE; |
| 974 | if (! debug_set_filename (info->dhandle, namcopy)) |
| 975 | return FALSE; |
| 976 | info->saw_filename = TRUE; |
| 977 | |
| 978 | /* Discard any variables or types we may have seen before. */ |
| 979 | if (info->vars.vars != NULL) |
| 980 | free (info->vars.vars); |
| 981 | info->vars.vars = NULL; |
| 982 | info->vars.alloc = 0; |
| 983 | if (info->types.types != NULL) |
| 984 | free (info->types.types); |
| 985 | info->types.types = NULL; |
| 986 | info->types.alloc = 0; |
| 987 | |
| 988 | /* Initialize the types to the global types. */ |
| 989 | if (info->global_types != NULL) |
| 990 | { |
| 991 | info->types.alloc = info->global_types->alloc; |
| 992 | info->types.types = ((struct ieee_type *) |
| 993 | xmalloc (info->types.alloc |
| 994 | * sizeof (*info->types.types))); |
| 995 | memcpy (info->types.types, info->global_types->types, |
| 996 | info->types.alloc * sizeof (*info->types.types)); |
| 997 | } |
| 998 | |
| 999 | break; |
| 1000 | |
| 1001 | case 2: |
| 1002 | /* BB2: Global type definitions. The name is supposed to be |
| 1003 | empty, but we don't check. */ |
| 1004 | if (! debug_set_filename (info->dhandle, "*global*")) |
| 1005 | return FALSE; |
| 1006 | info->saw_filename = TRUE; |
| 1007 | break; |
| 1008 | |
| 1009 | case 3: |
| 1010 | /* BB3: High level module block begin. We don't have to do |
| 1011 | anything here. The name is supposed to be the same as for |
| 1012 | the BB1, but we don't check. */ |
| 1013 | break; |
| 1014 | |
| 1015 | case 4: |
| 1016 | /* BB4: Global function. */ |
| 1017 | { |
| 1018 | bfd_vma stackspace, typindx, offset; |
| 1019 | debug_type return_type; |
| 1020 | |
| 1021 | if (! ieee_read_number (info, pp, &stackspace) |
| 1022 | || ! ieee_read_number (info, pp, &typindx) |
| 1023 | || ! ieee_read_expression (info, pp, &offset)) |
| 1024 | return FALSE; |
| 1025 | |
| 1026 | /* We have no way to record the stack space. FIXME. */ |
| 1027 | |
| 1028 | if (typindx < 256) |
| 1029 | { |
| 1030 | return_type = ieee_builtin_type (info, block_start, typindx); |
| 1031 | if (return_type == DEBUG_TYPE_NULL) |
| 1032 | return FALSE; |
| 1033 | } |
| 1034 | else |
| 1035 | { |
| 1036 | typindx -= 256; |
| 1037 | if (! ieee_alloc_type (info, typindx, TRUE)) |
| 1038 | return FALSE; |
| 1039 | fnindx = typindx; |
| 1040 | return_type = info->types.types[typindx].type; |
| 1041 | if (debug_get_type_kind (info->dhandle, return_type) |
| 1042 | == DEBUG_KIND_FUNCTION) |
| 1043 | return_type = debug_get_return_type (info->dhandle, |
| 1044 | return_type); |
| 1045 | } |
| 1046 | |
| 1047 | namcopy = savestring (name, namlen); |
| 1048 | if (namcopy == NULL) |
| 1049 | return FALSE; |
| 1050 | if (! debug_record_function (info->dhandle, namcopy, return_type, |
| 1051 | TRUE, offset)) |
| 1052 | return FALSE; |
| 1053 | } |
| 1054 | break; |
| 1055 | |
| 1056 | case 5: |
| 1057 | /* BB5: File name for source line numbers. */ |
| 1058 | { |
| 1059 | unsigned int i; |
| 1060 | |
| 1061 | /* We ignore the date and time. FIXME. */ |
| 1062 | for (i = 0; i < 6; i++) |
| 1063 | { |
| 1064 | bfd_vma ignore; |
| 1065 | bfd_boolean present; |
| 1066 | |
| 1067 | if (! ieee_read_optional_number (info, pp, &ignore, &present)) |
| 1068 | return FALSE; |
| 1069 | if (! present) |
| 1070 | break; |
| 1071 | } |
| 1072 | |
| 1073 | namcopy = savestring (name, namlen); |
| 1074 | if (namcopy == NULL) |
| 1075 | return FALSE; |
| 1076 | if (! debug_start_source (info->dhandle, namcopy)) |
| 1077 | return FALSE; |
| 1078 | } |
| 1079 | break; |
| 1080 | |
| 1081 | case 6: |
| 1082 | /* BB6: Local function or block. */ |
| 1083 | { |
| 1084 | bfd_vma stackspace, typindx, offset; |
| 1085 | |
| 1086 | if (! ieee_read_number (info, pp, &stackspace) |
| 1087 | || ! ieee_read_number (info, pp, &typindx) |
| 1088 | || ! ieee_read_expression (info, pp, &offset)) |
| 1089 | return FALSE; |
| 1090 | |
| 1091 | /* We have no way to record the stack space. FIXME. */ |
| 1092 | |
| 1093 | if (namlen == 0) |
| 1094 | { |
| 1095 | if (! debug_start_block (info->dhandle, offset)) |
| 1096 | return FALSE; |
| 1097 | /* Change b to indicate that this is a block |
| 1098 | rather than a function. */ |
| 1099 | b = 0x86; |
| 1100 | } |
| 1101 | else |
| 1102 | { |
| 1103 | /* The MRI C++ compiler will output a fake function named |
| 1104 | __XRYCPP to hold C++ debugging information. We skip |
| 1105 | that function. This is not crucial, but it makes |
| 1106 | converting from IEEE to other debug formats work |
| 1107 | better. */ |
| 1108 | if (strncmp (name, "__XRYCPP", namlen) == 0) |
| 1109 | skip = TRUE; |
| 1110 | else |
| 1111 | { |
| 1112 | debug_type return_type; |
| 1113 | |
| 1114 | if (typindx < 256) |
| 1115 | { |
| 1116 | return_type = ieee_builtin_type (info, block_start, |
| 1117 | typindx); |
| 1118 | if (return_type == NULL) |
| 1119 | return FALSE; |
| 1120 | } |
| 1121 | else |
| 1122 | { |
| 1123 | typindx -= 256; |
| 1124 | if (! ieee_alloc_type (info, typindx, TRUE)) |
| 1125 | return FALSE; |
| 1126 | fnindx = typindx; |
| 1127 | return_type = info->types.types[typindx].type; |
| 1128 | if (debug_get_type_kind (info->dhandle, return_type) |
| 1129 | == DEBUG_KIND_FUNCTION) |
| 1130 | return_type = debug_get_return_type (info->dhandle, |
| 1131 | return_type); |
| 1132 | } |
| 1133 | |
| 1134 | namcopy = savestring (name, namlen); |
| 1135 | if (namcopy == NULL) |
| 1136 | return FALSE; |
| 1137 | if (! debug_record_function (info->dhandle, namcopy, |
| 1138 | return_type, FALSE, offset)) |
| 1139 | return FALSE; |
| 1140 | } |
| 1141 | } |
| 1142 | } |
| 1143 | break; |
| 1144 | |
| 1145 | case 10: |
| 1146 | /* BB10: Assembler module scope. In the normal case, we |
| 1147 | completely ignore all this information. FIXME. */ |
| 1148 | { |
| 1149 | const char *inam, *vstr; |
| 1150 | unsigned long inamlen, vstrlen; |
| 1151 | bfd_vma tool_type; |
| 1152 | bfd_boolean present; |
| 1153 | unsigned int i; |
| 1154 | |
| 1155 | if (! info->saw_filename) |
| 1156 | { |
| 1157 | namcopy = savestring (name, namlen); |
| 1158 | if (namcopy == NULL) |
| 1159 | return FALSE; |
| 1160 | if (! debug_set_filename (info->dhandle, namcopy)) |
| 1161 | return FALSE; |
| 1162 | info->saw_filename = TRUE; |
| 1163 | } |
| 1164 | |
| 1165 | if (! ieee_read_id (info, pp, &inam, &inamlen) |
| 1166 | || ! ieee_read_number (info, pp, &tool_type) |
| 1167 | || ! ieee_read_optional_id (info, pp, &vstr, &vstrlen, &present)) |
| 1168 | return FALSE; |
| 1169 | for (i = 0; i < 6; i++) |
| 1170 | { |
| 1171 | bfd_vma ignore; |
| 1172 | |
| 1173 | if (! ieee_read_optional_number (info, pp, &ignore, &present)) |
| 1174 | return FALSE; |
| 1175 | if (! present) |
| 1176 | break; |
| 1177 | } |
| 1178 | } |
| 1179 | break; |
| 1180 | |
| 1181 | case 11: |
| 1182 | /* BB11: Module section. We completely ignore all this |
| 1183 | information. FIXME. */ |
| 1184 | { |
| 1185 | bfd_vma sectype, secindx, offset, map; |
| 1186 | bfd_boolean present; |
| 1187 | |
| 1188 | if (! ieee_read_number (info, pp, §ype) |
| 1189 | || ! ieee_read_number (info, pp, &secindx) |
| 1190 | || ! ieee_read_expression (info, pp, &offset) |
| 1191 | || ! ieee_read_optional_number (info, pp, &map, &present)) |
| 1192 | return FALSE; |
| 1193 | } |
| 1194 | break; |
| 1195 | |
| 1196 | default: |
| 1197 | ieee_error (info, block_start, _("unknown BB type")); |
| 1198 | return FALSE; |
| 1199 | } |
| 1200 | |
| 1201 | |
| 1202 | /* Push this block on the block stack. */ |
| 1203 | |
| 1204 | if (info->blockstack.bsp >= info->blockstack.stack + BLOCKSTACK_SIZE) |
| 1205 | { |
| 1206 | ieee_error (info, (const bfd_byte *) NULL, _("stack overflow")); |
| 1207 | return FALSE; |
| 1208 | } |
| 1209 | |
| 1210 | info->blockstack.bsp->kind = b; |
| 1211 | if (b == 5) |
| 1212 | info->blockstack.bsp->filename = namcopy; |
| 1213 | info->blockstack.bsp->fnindx = fnindx; |
| 1214 | info->blockstack.bsp->skip = skip; |
| 1215 | ++info->blockstack.bsp; |
| 1216 | |
| 1217 | return TRUE; |
| 1218 | } |
| 1219 | |
| 1220 | /* Handle an IEEE BE record. */ |
| 1221 | |
| 1222 | static bfd_boolean |
| 1223 | parse_ieee_be (struct ieee_info *info, const bfd_byte **pp) |
| 1224 | { |
| 1225 | bfd_vma offset; |
| 1226 | |
| 1227 | if (info->blockstack.bsp <= info->blockstack.stack) |
| 1228 | { |
| 1229 | ieee_error (info, *pp, _("stack underflow")); |
| 1230 | return FALSE; |
| 1231 | } |
| 1232 | --info->blockstack.bsp; |
| 1233 | |
| 1234 | switch (info->blockstack.bsp->kind) |
| 1235 | { |
| 1236 | case 2: |
| 1237 | /* When we end the global typedefs block, we copy out the |
| 1238 | contents of info->vars. This is because the variable indices |
| 1239 | may be reused in the local blocks. However, we need to |
| 1240 | preserve them so that we can locate a function returning a |
| 1241 | reference variable whose type is named in the global typedef |
| 1242 | block. */ |
| 1243 | info->global_vars = ((struct ieee_vars *) |
| 1244 | xmalloc (sizeof *info->global_vars)); |
| 1245 | info->global_vars->alloc = info->vars.alloc; |
| 1246 | info->global_vars->vars = ((struct ieee_var *) |
| 1247 | xmalloc (info->vars.alloc |
| 1248 | * sizeof (*info->vars.vars))); |
| 1249 | memcpy (info->global_vars->vars, info->vars.vars, |
| 1250 | info->vars.alloc * sizeof (*info->vars.vars)); |
| 1251 | |
| 1252 | /* We also copy out the non builtin parts of info->types, since |
| 1253 | the types are discarded when we start a new block. */ |
| 1254 | info->global_types = ((struct ieee_types *) |
| 1255 | xmalloc (sizeof *info->global_types)); |
| 1256 | info->global_types->alloc = info->types.alloc; |
| 1257 | info->global_types->types = ((struct ieee_type *) |
| 1258 | xmalloc (info->types.alloc |
| 1259 | * sizeof (*info->types.types))); |
| 1260 | memcpy (info->global_types->types, info->types.types, |
| 1261 | info->types.alloc * sizeof (*info->types.types)); |
| 1262 | memset (info->global_types->builtins, 0, |
| 1263 | sizeof (info->global_types->builtins)); |
| 1264 | |
| 1265 | break; |
| 1266 | |
| 1267 | case 4: |
| 1268 | case 6: |
| 1269 | if (! ieee_read_expression (info, pp, &offset)) |
| 1270 | return FALSE; |
| 1271 | if (! info->blockstack.bsp->skip) |
| 1272 | { |
| 1273 | if (! debug_end_function (info->dhandle, offset + 1)) |
| 1274 | return FALSE; |
| 1275 | } |
| 1276 | break; |
| 1277 | |
| 1278 | case 0x86: |
| 1279 | /* This is BE6 when BB6 started a block rather than a local |
| 1280 | function. */ |
| 1281 | if (! ieee_read_expression (info, pp, &offset)) |
| 1282 | return FALSE; |
| 1283 | if (! debug_end_block (info->dhandle, offset + 1)) |
| 1284 | return FALSE; |
| 1285 | break; |
| 1286 | |
| 1287 | case 5: |
| 1288 | /* When we end a BB5, we look up the stack for the last BB5, if |
| 1289 | there is one, so that we can call debug_start_source. */ |
| 1290 | if (info->blockstack.bsp > info->blockstack.stack) |
| 1291 | { |
| 1292 | struct ieee_block *bl; |
| 1293 | |
| 1294 | bl = info->blockstack.bsp; |
| 1295 | do |
| 1296 | { |
| 1297 | --bl; |
| 1298 | if (bl->kind == 5) |
| 1299 | { |
| 1300 | if (! debug_start_source (info->dhandle, bl->filename)) |
| 1301 | return FALSE; |
| 1302 | break; |
| 1303 | } |
| 1304 | } |
| 1305 | while (bl != info->blockstack.stack); |
| 1306 | } |
| 1307 | break; |
| 1308 | |
| 1309 | case 11: |
| 1310 | if (! ieee_read_expression (info, pp, &offset)) |
| 1311 | return FALSE; |
| 1312 | /* We just ignore the module size. FIXME. */ |
| 1313 | break; |
| 1314 | |
| 1315 | default: |
| 1316 | /* Other block types do not have any trailing information. */ |
| 1317 | break; |
| 1318 | } |
| 1319 | |
| 1320 | return TRUE; |
| 1321 | } |
| 1322 | |
| 1323 | /* Parse an NN record. */ |
| 1324 | |
| 1325 | static bfd_boolean |
| 1326 | parse_ieee_nn (struct ieee_info *info, const bfd_byte **pp) |
| 1327 | { |
| 1328 | const bfd_byte *nn_start; |
| 1329 | bfd_vma varindx; |
| 1330 | const char *name; |
| 1331 | unsigned long namlen; |
| 1332 | |
| 1333 | nn_start = *pp; |
| 1334 | |
| 1335 | if (! ieee_read_number (info, pp, &varindx) |
| 1336 | || ! ieee_read_id (info, pp, &name, &namlen)) |
| 1337 | return FALSE; |
| 1338 | |
| 1339 | if (varindx < 32) |
| 1340 | { |
| 1341 | ieee_error (info, nn_start, _("illegal variable index")); |
| 1342 | return FALSE; |
| 1343 | } |
| 1344 | varindx -= 32; |
| 1345 | |
| 1346 | if (varindx >= info->vars.alloc) |
| 1347 | { |
| 1348 | unsigned int alloc; |
| 1349 | |
| 1350 | alloc = info->vars.alloc; |
| 1351 | if (alloc == 0) |
| 1352 | alloc = 4; |
| 1353 | while (varindx >= alloc) |
| 1354 | alloc *= 2; |
| 1355 | info->vars.vars = ((struct ieee_var *) |
| 1356 | xrealloc (info->vars.vars, |
| 1357 | alloc * sizeof *info->vars.vars)); |
| 1358 | memset (info->vars.vars + info->vars.alloc, 0, |
| 1359 | (alloc - info->vars.alloc) * sizeof *info->vars.vars); |
| 1360 | info->vars.alloc = alloc; |
| 1361 | } |
| 1362 | |
| 1363 | info->vars.vars[varindx].name = name; |
| 1364 | info->vars.vars[varindx].namlen = namlen; |
| 1365 | |
| 1366 | return TRUE; |
| 1367 | } |
| 1368 | |
| 1369 | /* Parse a TY record. */ |
| 1370 | |
| 1371 | static bfd_boolean |
| 1372 | parse_ieee_ty (struct ieee_info *info, const bfd_byte **pp) |
| 1373 | { |
| 1374 | const bfd_byte *ty_start, *ty_var_start, *ty_code_start; |
| 1375 | bfd_vma typeindx, varindx, tc; |
| 1376 | void *dhandle; |
| 1377 | bfd_boolean tag, typdef; |
| 1378 | debug_type *arg_slots; |
| 1379 | unsigned long type_bitsize; |
| 1380 | debug_type type; |
| 1381 | |
| 1382 | ty_start = *pp; |
| 1383 | |
| 1384 | if (! ieee_read_number (info, pp, &typeindx)) |
| 1385 | return FALSE; |
| 1386 | |
| 1387 | if (typeindx < 256) |
| 1388 | { |
| 1389 | ieee_error (info, ty_start, _("illegal type index")); |
| 1390 | return FALSE; |
| 1391 | } |
| 1392 | |
| 1393 | typeindx -= 256; |
| 1394 | if (! ieee_alloc_type (info, typeindx, FALSE)) |
| 1395 | return FALSE; |
| 1396 | |
| 1397 | if (**pp != 0xce) |
| 1398 | { |
| 1399 | ieee_error (info, *pp, _("unknown TY code")); |
| 1400 | return FALSE; |
| 1401 | } |
| 1402 | ++*pp; |
| 1403 | |
| 1404 | ty_var_start = *pp; |
| 1405 | |
| 1406 | if (! ieee_read_number (info, pp, &varindx)) |
| 1407 | return FALSE; |
| 1408 | |
| 1409 | if (varindx < 32) |
| 1410 | { |
| 1411 | ieee_error (info, ty_var_start, _("illegal variable index")); |
| 1412 | return FALSE; |
| 1413 | } |
| 1414 | varindx -= 32; |
| 1415 | |
| 1416 | if (varindx >= info->vars.alloc || info->vars.vars[varindx].name == NULL) |
| 1417 | { |
| 1418 | ieee_error (info, ty_var_start, _("undefined variable in TY")); |
| 1419 | return FALSE; |
| 1420 | } |
| 1421 | |
| 1422 | ty_code_start = *pp; |
| 1423 | |
| 1424 | if (! ieee_read_number (info, pp, &tc)) |
| 1425 | return FALSE; |
| 1426 | |
| 1427 | dhandle = info->dhandle; |
| 1428 | |
| 1429 | tag = FALSE; |
| 1430 | typdef = FALSE; |
| 1431 | arg_slots = NULL; |
| 1432 | type_bitsize = 0; |
| 1433 | switch (tc) |
| 1434 | { |
| 1435 | default: |
| 1436 | ieee_error (info, ty_code_start, _("unknown TY code")); |
| 1437 | return FALSE; |
| 1438 | |
| 1439 | case '!': |
| 1440 | /* Unknown type, with size. We treat it as int. FIXME. */ |
| 1441 | { |
| 1442 | bfd_vma size; |
| 1443 | |
| 1444 | if (! ieee_read_number (info, pp, &size)) |
| 1445 | return FALSE; |
| 1446 | type = debug_make_int_type (dhandle, size, FALSE); |
| 1447 | } |
| 1448 | break; |
| 1449 | |
| 1450 | case 'A': /* Array. */ |
| 1451 | case 'a': /* FORTRAN array in column/row order. FIXME: Not |
| 1452 | distinguished from normal array. */ |
| 1453 | { |
| 1454 | debug_type ele_type; |
| 1455 | bfd_vma lower, upper; |
| 1456 | |
| 1457 | if (! ieee_read_type_index (info, pp, &ele_type) |
| 1458 | || ! ieee_read_number (info, pp, &lower) |
| 1459 | || ! ieee_read_number (info, pp, &upper)) |
| 1460 | return FALSE; |
| 1461 | type = debug_make_array_type (dhandle, ele_type, |
| 1462 | ieee_builtin_type (info, ty_code_start, |
| 1463 | ((unsigned int) |
| 1464 | builtin_int)), |
| 1465 | (bfd_signed_vma) lower, |
| 1466 | (bfd_signed_vma) upper, |
| 1467 | FALSE); |
| 1468 | } |
| 1469 | break; |
| 1470 | |
| 1471 | case 'E': |
| 1472 | /* Simple enumeration. */ |
| 1473 | { |
| 1474 | bfd_vma size; |
| 1475 | unsigned int alloc; |
| 1476 | const char **names; |
| 1477 | unsigned int c; |
| 1478 | bfd_signed_vma *vals; |
| 1479 | unsigned int i; |
| 1480 | |
| 1481 | if (! ieee_read_number (info, pp, &size)) |
| 1482 | return FALSE; |
| 1483 | /* FIXME: we ignore the enumeration size. */ |
| 1484 | |
| 1485 | alloc = 10; |
| 1486 | names = (const char **) xmalloc (alloc * sizeof *names); |
| 1487 | memset (names, 0, alloc * sizeof *names); |
| 1488 | c = 0; |
| 1489 | while (1) |
| 1490 | { |
| 1491 | const char *name; |
| 1492 | unsigned long namlen; |
| 1493 | bfd_boolean present; |
| 1494 | |
| 1495 | if (! ieee_read_optional_id (info, pp, &name, &namlen, &present)) |
| 1496 | return FALSE; |
| 1497 | if (! present) |
| 1498 | break; |
| 1499 | |
| 1500 | if (c + 1 >= alloc) |
| 1501 | { |
| 1502 | alloc += 10; |
| 1503 | names = ((const char **) |
| 1504 | xrealloc (names, alloc * sizeof *names)); |
| 1505 | } |
| 1506 | |
| 1507 | names[c] = savestring (name, namlen); |
| 1508 | if (names[c] == NULL) |
| 1509 | return FALSE; |
| 1510 | ++c; |
| 1511 | } |
| 1512 | |
| 1513 | names[c] = NULL; |
| 1514 | |
| 1515 | vals = (bfd_signed_vma *) xmalloc (c * sizeof *vals); |
| 1516 | for (i = 0; i < c; i++) |
| 1517 | vals[i] = i; |
| 1518 | |
| 1519 | type = debug_make_enum_type (dhandle, names, vals); |
| 1520 | tag = TRUE; |
| 1521 | } |
| 1522 | break; |
| 1523 | |
| 1524 | case 'G': |
| 1525 | /* Struct with bit fields. */ |
| 1526 | { |
| 1527 | bfd_vma size; |
| 1528 | unsigned int alloc; |
| 1529 | debug_field *fields; |
| 1530 | unsigned int c; |
| 1531 | |
| 1532 | if (! ieee_read_number (info, pp, &size)) |
| 1533 | return FALSE; |
| 1534 | |
| 1535 | alloc = 10; |
| 1536 | fields = (debug_field *) xmalloc (alloc * sizeof *fields); |
| 1537 | c = 0; |
| 1538 | while (1) |
| 1539 | { |
| 1540 | const char *name; |
| 1541 | unsigned long namlen; |
| 1542 | bfd_boolean present; |
| 1543 | debug_type ftype; |
| 1544 | bfd_vma bitpos, bitsize; |
| 1545 | |
| 1546 | if (! ieee_read_optional_id (info, pp, &name, &namlen, &present)) |
| 1547 | return FALSE; |
| 1548 | if (! present) |
| 1549 | break; |
| 1550 | if (! ieee_read_type_index (info, pp, &ftype) |
| 1551 | || ! ieee_read_number (info, pp, &bitpos) |
| 1552 | || ! ieee_read_number (info, pp, &bitsize)) |
| 1553 | return FALSE; |
| 1554 | |
| 1555 | if (c + 1 >= alloc) |
| 1556 | { |
| 1557 | alloc += 10; |
| 1558 | fields = ((debug_field *) |
| 1559 | xrealloc (fields, alloc * sizeof *fields)); |
| 1560 | } |
| 1561 | |
| 1562 | fields[c] = debug_make_field (dhandle, savestring (name, namlen), |
| 1563 | ftype, bitpos, bitsize, |
| 1564 | DEBUG_VISIBILITY_PUBLIC); |
| 1565 | if (fields[c] == NULL) |
| 1566 | return FALSE; |
| 1567 | ++c; |
| 1568 | } |
| 1569 | |
| 1570 | fields[c] = NULL; |
| 1571 | |
| 1572 | type = debug_make_struct_type (dhandle, TRUE, size, fields); |
| 1573 | tag = TRUE; |
| 1574 | } |
| 1575 | break; |
| 1576 | |
| 1577 | case 'N': |
| 1578 | /* Enumeration. */ |
| 1579 | { |
| 1580 | unsigned int alloc; |
| 1581 | const char **names; |
| 1582 | bfd_signed_vma *vals; |
| 1583 | unsigned int c; |
| 1584 | |
| 1585 | alloc = 10; |
| 1586 | names = (const char **) xmalloc (alloc * sizeof *names); |
| 1587 | vals = (bfd_signed_vma *) xmalloc (alloc * sizeof *names); |
| 1588 | c = 0; |
| 1589 | while (1) |
| 1590 | { |
| 1591 | const char *name; |
| 1592 | unsigned long namlen; |
| 1593 | bfd_boolean present; |
| 1594 | bfd_vma val; |
| 1595 | |
| 1596 | if (! ieee_read_optional_id (info, pp, &name, &namlen, &present)) |
| 1597 | return FALSE; |
| 1598 | if (! present) |
| 1599 | break; |
| 1600 | if (! ieee_read_number (info, pp, &val)) |
| 1601 | return FALSE; |
| 1602 | |
| 1603 | /* If the length of the name is zero, then the value is |
| 1604 | actually the size of the enum. We ignore this |
| 1605 | information. FIXME. */ |
| 1606 | if (namlen == 0) |
| 1607 | continue; |
| 1608 | |
| 1609 | if (c + 1 >= alloc) |
| 1610 | { |
| 1611 | alloc += 10; |
| 1612 | names = ((const char **) |
| 1613 | xrealloc (names, alloc * sizeof *names)); |
| 1614 | vals = ((bfd_signed_vma *) |
| 1615 | xrealloc (vals, alloc * sizeof *vals)); |
| 1616 | } |
| 1617 | |
| 1618 | names[c] = savestring (name, namlen); |
| 1619 | if (names[c] == NULL) |
| 1620 | return FALSE; |
| 1621 | vals[c] = (bfd_signed_vma) val; |
| 1622 | ++c; |
| 1623 | } |
| 1624 | |
| 1625 | names[c] = NULL; |
| 1626 | |
| 1627 | type = debug_make_enum_type (dhandle, names, vals); |
| 1628 | tag = TRUE; |
| 1629 | } |
| 1630 | break; |
| 1631 | |
| 1632 | case 'O': /* Small pointer. We don't distinguish small and large |
| 1633 | pointers. FIXME. */ |
| 1634 | case 'P': /* Large pointer. */ |
| 1635 | { |
| 1636 | debug_type t; |
| 1637 | |
| 1638 | if (! ieee_read_type_index (info, pp, &t)) |
| 1639 | return FALSE; |
| 1640 | type = debug_make_pointer_type (dhandle, t); |
| 1641 | } |
| 1642 | break; |
| 1643 | |
| 1644 | case 'R': |
| 1645 | /* Range. */ |
| 1646 | { |
| 1647 | bfd_vma low, high, signedp, size; |
| 1648 | |
| 1649 | if (! ieee_read_number (info, pp, &low) |
| 1650 | || ! ieee_read_number (info, pp, &high) |
| 1651 | || ! ieee_read_number (info, pp, &signedp) |
| 1652 | || ! ieee_read_number (info, pp, &size)) |
| 1653 | return FALSE; |
| 1654 | |
| 1655 | type = debug_make_range_type (dhandle, |
| 1656 | debug_make_int_type (dhandle, size, |
| 1657 | ! signedp), |
| 1658 | (bfd_signed_vma) low, |
| 1659 | (bfd_signed_vma) high); |
| 1660 | } |
| 1661 | break; |
| 1662 | |
| 1663 | case 'S': /* Struct. */ |
| 1664 | case 'U': /* Union. */ |
| 1665 | { |
| 1666 | bfd_vma size; |
| 1667 | unsigned int alloc; |
| 1668 | debug_field *fields; |
| 1669 | unsigned int c; |
| 1670 | |
| 1671 | if (! ieee_read_number (info, pp, &size)) |
| 1672 | return FALSE; |
| 1673 | |
| 1674 | alloc = 10; |
| 1675 | fields = (debug_field *) xmalloc (alloc * sizeof *fields); |
| 1676 | c = 0; |
| 1677 | while (1) |
| 1678 | { |
| 1679 | const char *name; |
| 1680 | unsigned long namlen; |
| 1681 | bfd_boolean present; |
| 1682 | bfd_vma tindx; |
| 1683 | bfd_vma offset; |
| 1684 | debug_type ftype; |
| 1685 | bfd_vma bitsize; |
| 1686 | |
| 1687 | if (! ieee_read_optional_id (info, pp, &name, &namlen, &present)) |
| 1688 | return FALSE; |
| 1689 | if (! present) |
| 1690 | break; |
| 1691 | if (! ieee_read_number (info, pp, &tindx) |
| 1692 | || ! ieee_read_number (info, pp, &offset)) |
| 1693 | return FALSE; |
| 1694 | |
| 1695 | if (tindx < 256) |
| 1696 | { |
| 1697 | ftype = ieee_builtin_type (info, ty_code_start, tindx); |
| 1698 | bitsize = 0; |
| 1699 | offset *= 8; |
| 1700 | } |
| 1701 | else |
| 1702 | { |
| 1703 | struct ieee_type *t; |
| 1704 | |
| 1705 | tindx -= 256; |
| 1706 | if (! ieee_alloc_type (info, tindx, TRUE)) |
| 1707 | return FALSE; |
| 1708 | t = info->types.types + tindx; |
| 1709 | ftype = t->type; |
| 1710 | bitsize = t->bitsize; |
| 1711 | if (bitsize == 0) |
| 1712 | offset *= 8; |
| 1713 | } |
| 1714 | |
| 1715 | if (c + 1 >= alloc) |
| 1716 | { |
| 1717 | alloc += 10; |
| 1718 | fields = ((debug_field *) |
| 1719 | xrealloc (fields, alloc * sizeof *fields)); |
| 1720 | } |
| 1721 | |
| 1722 | fields[c] = debug_make_field (dhandle, savestring (name, namlen), |
| 1723 | ftype, offset, bitsize, |
| 1724 | DEBUG_VISIBILITY_PUBLIC); |
| 1725 | if (fields[c] == NULL) |
| 1726 | return FALSE; |
| 1727 | ++c; |
| 1728 | } |
| 1729 | |
| 1730 | fields[c] = NULL; |
| 1731 | |
| 1732 | type = debug_make_struct_type (dhandle, tc == 'S', size, fields); |
| 1733 | tag = TRUE; |
| 1734 | } |
| 1735 | break; |
| 1736 | |
| 1737 | case 'T': |
| 1738 | /* Typedef. */ |
| 1739 | if (! ieee_read_type_index (info, pp, &type)) |
| 1740 | return FALSE; |
| 1741 | typdef = TRUE; |
| 1742 | break; |
| 1743 | |
| 1744 | case 'X': |
| 1745 | /* Procedure. FIXME: This is an extern declaration, which we |
| 1746 | have no way of representing. */ |
| 1747 | { |
| 1748 | bfd_vma attr; |
| 1749 | debug_type rtype; |
| 1750 | bfd_vma nargs; |
| 1751 | bfd_boolean present; |
| 1752 | struct ieee_var *pv; |
| 1753 | |
| 1754 | /* FIXME: We ignore the attribute and the argument names. */ |
| 1755 | |
| 1756 | if (! ieee_read_number (info, pp, &attr) |
| 1757 | || ! ieee_read_type_index (info, pp, &rtype) |
| 1758 | || ! ieee_read_number (info, pp, &nargs)) |
| 1759 | return FALSE; |
| 1760 | do |
| 1761 | { |
| 1762 | const char *name; |
| 1763 | unsigned long namlen; |
| 1764 | |
| 1765 | if (! ieee_read_optional_id (info, pp, &name, &namlen, &present)) |
| 1766 | return FALSE; |
| 1767 | } |
| 1768 | while (present); |
| 1769 | |
| 1770 | pv = info->vars.vars + varindx; |
| 1771 | pv->kind = IEEE_EXTERNAL; |
| 1772 | if (pv->namlen > 0 |
| 1773 | && debug_get_type_kind (dhandle, rtype) == DEBUG_KIND_POINTER) |
| 1774 | { |
| 1775 | /* Set up the return type as an indirect type pointing to |
| 1776 | the variable slot, so that we can change it to a |
| 1777 | reference later if appropriate. */ |
| 1778 | pv->pslot = (debug_type *) xmalloc (sizeof *pv->pslot); |
| 1779 | *pv->pslot = rtype; |
| 1780 | rtype = debug_make_indirect_type (dhandle, pv->pslot, |
| 1781 | (const char *) NULL); |
| 1782 | } |
| 1783 | |
| 1784 | type = debug_make_function_type (dhandle, rtype, (debug_type *) NULL, |
| 1785 | FALSE); |
| 1786 | } |
| 1787 | break; |
| 1788 | |
| 1789 | case 'V': |
| 1790 | /* Void. This is not documented, but the MRI compiler emits it. */ |
| 1791 | type = debug_make_void_type (dhandle); |
| 1792 | break; |
| 1793 | |
| 1794 | case 'Z': |
| 1795 | /* Array with 0 lower bound. */ |
| 1796 | { |
| 1797 | debug_type etype; |
| 1798 | bfd_vma high; |
| 1799 | |
| 1800 | if (! ieee_read_type_index (info, pp, &etype) |
| 1801 | || ! ieee_read_number (info, pp, &high)) |
| 1802 | return FALSE; |
| 1803 | |
| 1804 | type = debug_make_array_type (dhandle, etype, |
| 1805 | ieee_builtin_type (info, ty_code_start, |
| 1806 | ((unsigned int) |
| 1807 | builtin_int)), |
| 1808 | 0, (bfd_signed_vma) high, FALSE); |
| 1809 | } |
| 1810 | break; |
| 1811 | |
| 1812 | case 'c': /* Complex. */ |
| 1813 | case 'd': /* Double complex. */ |
| 1814 | { |
| 1815 | const char *name; |
| 1816 | unsigned long namlen; |
| 1817 | |
| 1818 | /* FIXME: I don't know what the name means. */ |
| 1819 | |
| 1820 | if (! ieee_read_id (info, pp, &name, &namlen)) |
| 1821 | return FALSE; |
| 1822 | |
| 1823 | type = debug_make_complex_type (dhandle, tc == 'c' ? 4 : 8); |
| 1824 | } |
| 1825 | break; |
| 1826 | |
| 1827 | case 'f': |
| 1828 | /* Pascal file name. FIXME. */ |
| 1829 | ieee_error (info, ty_code_start, _("Pascal file name not supported")); |
| 1830 | return FALSE; |
| 1831 | |
| 1832 | case 'g': |
| 1833 | /* Bitfield type. */ |
| 1834 | { |
| 1835 | bfd_vma signedp, bitsize, dummy; |
| 1836 | const bfd_byte *hold; |
| 1837 | bfd_boolean present; |
| 1838 | |
| 1839 | if (! ieee_read_number (info, pp, &signedp) |
| 1840 | || ! ieee_read_number (info, pp, &bitsize)) |
| 1841 | return FALSE; |
| 1842 | |
| 1843 | /* I think the documentation says that there is a type index, |
| 1844 | but some actual files do not have one. */ |
| 1845 | hold = *pp; |
| 1846 | if (! ieee_read_optional_number (info, pp, &dummy, &present)) |
| 1847 | return FALSE; |
| 1848 | if (! present) |
| 1849 | { |
| 1850 | /* FIXME: This is just a guess. */ |
| 1851 | type = debug_make_int_type (dhandle, 4, |
| 1852 | signedp ? FALSE : TRUE); |
| 1853 | } |
| 1854 | else |
| 1855 | { |
| 1856 | *pp = hold; |
| 1857 | if (! ieee_read_type_index (info, pp, &type)) |
| 1858 | return FALSE; |
| 1859 | } |
| 1860 | type_bitsize = bitsize; |
| 1861 | } |
| 1862 | break; |
| 1863 | |
| 1864 | case 'n': |
| 1865 | /* Qualifier. */ |
| 1866 | { |
| 1867 | bfd_vma kind; |
| 1868 | debug_type t; |
| 1869 | |
| 1870 | if (! ieee_read_number (info, pp, &kind) |
| 1871 | || ! ieee_read_type_index (info, pp, &t)) |
| 1872 | return FALSE; |
| 1873 | |
| 1874 | switch (kind) |
| 1875 | { |
| 1876 | default: |
| 1877 | ieee_error (info, ty_start, _("unsupported qualifier")); |
| 1878 | return FALSE; |
| 1879 | |
| 1880 | case 1: |
| 1881 | type = debug_make_const_type (dhandle, t); |
| 1882 | break; |
| 1883 | |
| 1884 | case 2: |
| 1885 | type = debug_make_volatile_type (dhandle, t); |
| 1886 | break; |
| 1887 | } |
| 1888 | } |
| 1889 | break; |
| 1890 | |
| 1891 | case 's': |
| 1892 | /* Set. */ |
| 1893 | { |
| 1894 | bfd_vma size; |
| 1895 | debug_type etype; |
| 1896 | |
| 1897 | if (! ieee_read_number (info, pp, &size) |
| 1898 | || ! ieee_read_type_index (info, pp, &etype)) |
| 1899 | return FALSE; |
| 1900 | |
| 1901 | /* FIXME: We ignore the size. */ |
| 1902 | |
| 1903 | type = debug_make_set_type (dhandle, etype, FALSE); |
| 1904 | } |
| 1905 | break; |
| 1906 | |
| 1907 | case 'x': |
| 1908 | /* Procedure with compiler dependencies. */ |
| 1909 | { |
| 1910 | struct ieee_var *pv; |
| 1911 | bfd_vma attr, frame_type, push_mask, nargs, level, father; |
| 1912 | debug_type rtype; |
| 1913 | debug_type *arg_types; |
| 1914 | bfd_boolean varargs; |
| 1915 | bfd_boolean present; |
| 1916 | |
| 1917 | /* FIXME: We ignore some of this information. */ |
| 1918 | |
| 1919 | pv = info->vars.vars + varindx; |
| 1920 | |
| 1921 | if (! ieee_read_number (info, pp, &attr) |
| 1922 | || ! ieee_read_number (info, pp, &frame_type) |
| 1923 | || ! ieee_read_number (info, pp, &push_mask) |
| 1924 | || ! ieee_read_type_index (info, pp, &rtype) |
| 1925 | || ! ieee_read_number (info, pp, &nargs)) |
| 1926 | return FALSE; |
| 1927 | if (nargs == (bfd_vma) -1) |
| 1928 | { |
| 1929 | arg_types = NULL; |
| 1930 | varargs = FALSE; |
| 1931 | } |
| 1932 | else |
| 1933 | { |
| 1934 | unsigned int i; |
| 1935 | |
| 1936 | arg_types = ((debug_type *) |
| 1937 | xmalloc ((nargs + 1) * sizeof *arg_types)); |
| 1938 | for (i = 0; i < nargs; i++) |
| 1939 | if (! ieee_read_type_index (info, pp, arg_types + i)) |
| 1940 | return FALSE; |
| 1941 | |
| 1942 | /* If the last type is pointer to void, this is really a |
| 1943 | varargs function. */ |
| 1944 | varargs = FALSE; |
| 1945 | if (nargs > 0) |
| 1946 | { |
| 1947 | debug_type last; |
| 1948 | |
| 1949 | last = arg_types[nargs - 1]; |
| 1950 | if (debug_get_type_kind (dhandle, last) == DEBUG_KIND_POINTER |
| 1951 | && (debug_get_type_kind (dhandle, |
| 1952 | debug_get_target_type (dhandle, |
| 1953 | last)) |
| 1954 | == DEBUG_KIND_VOID)) |
| 1955 | { |
| 1956 | --nargs; |
| 1957 | varargs = TRUE; |
| 1958 | } |
| 1959 | } |
| 1960 | |
| 1961 | /* If there are any pointer arguments, turn them into |
| 1962 | indirect types in case we later need to convert them to |
| 1963 | reference types. */ |
| 1964 | for (i = 0; i < nargs; i++) |
| 1965 | { |
| 1966 | if (debug_get_type_kind (dhandle, arg_types[i]) |
| 1967 | == DEBUG_KIND_POINTER) |
| 1968 | { |
| 1969 | if (arg_slots == NULL) |
| 1970 | { |
| 1971 | arg_slots = ((debug_type *) |
| 1972 | xmalloc (nargs * sizeof *arg_slots)); |
| 1973 | memset (arg_slots, 0, nargs * sizeof *arg_slots); |
| 1974 | } |
| 1975 | arg_slots[i] = arg_types[i]; |
| 1976 | arg_types[i] = |
| 1977 | debug_make_indirect_type (dhandle, |
| 1978 | arg_slots + i, |
| 1979 | (const char *) NULL); |
| 1980 | } |
| 1981 | } |
| 1982 | |
| 1983 | arg_types[nargs] = DEBUG_TYPE_NULL; |
| 1984 | } |
| 1985 | if (! ieee_read_number (info, pp, &level) |
| 1986 | || ! ieee_read_optional_number (info, pp, &father, &present)) |
| 1987 | return FALSE; |
| 1988 | |
| 1989 | /* We can't distinguish between a global function and a static |
| 1990 | function. */ |
| 1991 | pv->kind = IEEE_FUNCTION; |
| 1992 | |
| 1993 | if (pv->namlen > 0 |
| 1994 | && debug_get_type_kind (dhandle, rtype) == DEBUG_KIND_POINTER) |
| 1995 | { |
| 1996 | /* Set up the return type as an indirect type pointing to |
| 1997 | the variable slot, so that we can change it to a |
| 1998 | reference later if appropriate. */ |
| 1999 | pv->pslot = (debug_type *) xmalloc (sizeof *pv->pslot); |
| 2000 | *pv->pslot = rtype; |
| 2001 | rtype = debug_make_indirect_type (dhandle, pv->pslot, |
| 2002 | (const char *) NULL); |
| 2003 | } |
| 2004 | |
| 2005 | type = debug_make_function_type (dhandle, rtype, arg_types, varargs); |
| 2006 | } |
| 2007 | break; |
| 2008 | } |
| 2009 | |
| 2010 | /* Record the type in the table. */ |
| 2011 | |
| 2012 | if (type == DEBUG_TYPE_NULL) |
| 2013 | return FALSE; |
| 2014 | |
| 2015 | info->vars.vars[varindx].type = type; |
| 2016 | |
| 2017 | if ((tag || typdef) |
| 2018 | && info->vars.vars[varindx].namlen > 0) |
| 2019 | { |
| 2020 | const char *name; |
| 2021 | |
| 2022 | name = savestring (info->vars.vars[varindx].name, |
| 2023 | info->vars.vars[varindx].namlen); |
| 2024 | if (typdef) |
| 2025 | type = debug_name_type (dhandle, name, type); |
| 2026 | else if (tc == 'E' || tc == 'N') |
| 2027 | type = debug_tag_type (dhandle, name, type); |
| 2028 | else |
| 2029 | { |
| 2030 | struct ieee_tag *it; |
| 2031 | |
| 2032 | /* We must allocate all struct tags as indirect types, so |
| 2033 | that if we later see a definition of the tag as a C++ |
| 2034 | record we can update the indirect slot and automatically |
| 2035 | change all the existing references. */ |
| 2036 | it = (struct ieee_tag *) xmalloc (sizeof *it); |
| 2037 | memset (it, 0, sizeof *it); |
| 2038 | it->next = info->tags; |
| 2039 | info->tags = it; |
| 2040 | it->name = name; |
| 2041 | it->slot = type; |
| 2042 | |
| 2043 | type = debug_make_indirect_type (dhandle, &it->slot, name); |
| 2044 | type = debug_tag_type (dhandle, name, type); |
| 2045 | |
| 2046 | it->type = type; |
| 2047 | } |
| 2048 | if (type == NULL) |
| 2049 | return FALSE; |
| 2050 | } |
| 2051 | |
| 2052 | info->types.types[typeindx].type = type; |
| 2053 | info->types.types[typeindx].arg_slots = arg_slots; |
| 2054 | info->types.types[typeindx].bitsize = type_bitsize; |
| 2055 | |
| 2056 | /* We may have already allocated type as an indirect type pointing |
| 2057 | to slot. It does no harm to replace the indirect type with the |
| 2058 | real type. Filling in slot as well handles the indirect types |
| 2059 | which are already hanging around. */ |
| 2060 | if (info->types.types[typeindx].pslot != NULL) |
| 2061 | *info->types.types[typeindx].pslot = type; |
| 2062 | |
| 2063 | return TRUE; |
| 2064 | } |
| 2065 | |
| 2066 | /* Parse an ATN record. */ |
| 2067 | |
| 2068 | static bfd_boolean |
| 2069 | parse_ieee_atn (struct ieee_info *info, const bfd_byte **pp) |
| 2070 | { |
| 2071 | const bfd_byte *atn_start, *atn_code_start; |
| 2072 | bfd_vma varindx; |
| 2073 | struct ieee_var *pvar; |
| 2074 | debug_type type; |
| 2075 | bfd_vma atn_code; |
| 2076 | void *dhandle; |
| 2077 | bfd_vma v, v2, v3, v4, v5; |
| 2078 | const char *name; |
| 2079 | unsigned long namlen; |
| 2080 | char *namcopy; |
| 2081 | bfd_boolean present; |
| 2082 | int blocktype; |
| 2083 | |
| 2084 | atn_start = *pp; |
| 2085 | |
| 2086 | if (! ieee_read_number (info, pp, &varindx) |
| 2087 | || ! ieee_read_type_index (info, pp, &type)) |
| 2088 | return FALSE; |
| 2089 | |
| 2090 | atn_code_start = *pp; |
| 2091 | |
| 2092 | if (! ieee_read_number (info, pp, &atn_code)) |
| 2093 | return FALSE; |
| 2094 | |
| 2095 | if (varindx == 0) |
| 2096 | { |
| 2097 | pvar = NULL; |
| 2098 | name = ""; |
| 2099 | namlen = 0; |
| 2100 | } |
| 2101 | else if (varindx < 32) |
| 2102 | { |
| 2103 | /* The MRI compiler reportedly sometimes emits variable lifetime |
| 2104 | information for a register. We just ignore it. */ |
| 2105 | if (atn_code == 9) |
| 2106 | return ieee_read_number (info, pp, &v); |
| 2107 | |
| 2108 | ieee_error (info, atn_start, _("illegal variable index")); |
| 2109 | return FALSE; |
| 2110 | } |
| 2111 | else |
| 2112 | { |
| 2113 | varindx -= 32; |
| 2114 | if (varindx >= info->vars.alloc |
| 2115 | || info->vars.vars[varindx].name == NULL) |
| 2116 | { |
| 2117 | /* The MRI compiler or linker sometimes omits the NN record |
| 2118 | for a pmisc record. */ |
| 2119 | if (atn_code == 62) |
| 2120 | { |
| 2121 | if (varindx >= info->vars.alloc) |
| 2122 | { |
| 2123 | unsigned int alloc; |
| 2124 | |
| 2125 | alloc = info->vars.alloc; |
| 2126 | if (alloc == 0) |
| 2127 | alloc = 4; |
| 2128 | while (varindx >= alloc) |
| 2129 | alloc *= 2; |
| 2130 | info->vars.vars = ((struct ieee_var *) |
| 2131 | xrealloc (info->vars.vars, |
| 2132 | (alloc |
| 2133 | * sizeof *info->vars.vars))); |
| 2134 | memset (info->vars.vars + info->vars.alloc, 0, |
| 2135 | ((alloc - info->vars.alloc) |
| 2136 | * sizeof *info->vars.vars)); |
| 2137 | info->vars.alloc = alloc; |
| 2138 | } |
| 2139 | |
| 2140 | pvar = info->vars.vars + varindx; |
| 2141 | pvar->name = ""; |
| 2142 | pvar->namlen = 0; |
| 2143 | } |
| 2144 | else |
| 2145 | { |
| 2146 | ieee_error (info, atn_start, _("undefined variable in ATN")); |
| 2147 | return FALSE; |
| 2148 | } |
| 2149 | } |
| 2150 | |
| 2151 | pvar = info->vars.vars + varindx; |
| 2152 | |
| 2153 | pvar->type = type; |
| 2154 | |
| 2155 | name = pvar->name; |
| 2156 | namlen = pvar->namlen; |
| 2157 | } |
| 2158 | |
| 2159 | dhandle = info->dhandle; |
| 2160 | |
| 2161 | /* If we are going to call debug_record_variable with a pointer |
| 2162 | type, change the type to an indirect type so that we can later |
| 2163 | change it to a reference type if we encounter a C++ pmisc 'R' |
| 2164 | record. */ |
| 2165 | if (pvar != NULL |
| 2166 | && type != DEBUG_TYPE_NULL |
| 2167 | && debug_get_type_kind (dhandle, type) == DEBUG_KIND_POINTER) |
| 2168 | { |
| 2169 | switch (atn_code) |
| 2170 | { |
| 2171 | case 1: |
| 2172 | case 2: |
| 2173 | case 3: |
| 2174 | case 5: |
| 2175 | case 8: |
| 2176 | case 10: |
| 2177 | pvar->pslot = (debug_type *) xmalloc (sizeof *pvar->pslot); |
| 2178 | *pvar->pslot = type; |
| 2179 | type = debug_make_indirect_type (dhandle, pvar->pslot, |
| 2180 | (const char *) NULL); |
| 2181 | pvar->type = type; |
| 2182 | break; |
| 2183 | } |
| 2184 | } |
| 2185 | |
| 2186 | switch (atn_code) |
| 2187 | { |
| 2188 | default: |
| 2189 | ieee_error (info, atn_code_start, _("unknown ATN type")); |
| 2190 | return FALSE; |
| 2191 | |
| 2192 | case 1: |
| 2193 | /* Automatic variable. */ |
| 2194 | if (! ieee_read_number (info, pp, &v)) |
| 2195 | return FALSE; |
| 2196 | namcopy = savestring (name, namlen); |
| 2197 | if (type == NULL) |
| 2198 | type = debug_make_void_type (dhandle); |
| 2199 | if (pvar != NULL) |
| 2200 | pvar->kind = IEEE_LOCAL; |
| 2201 | return debug_record_variable (dhandle, namcopy, type, DEBUG_LOCAL, v); |
| 2202 | |
| 2203 | case 2: |
| 2204 | /* Register variable. */ |
| 2205 | if (! ieee_read_number (info, pp, &v)) |
| 2206 | return FALSE; |
| 2207 | namcopy = savestring (name, namlen); |
| 2208 | if (type == NULL) |
| 2209 | type = debug_make_void_type (dhandle); |
| 2210 | if (pvar != NULL) |
| 2211 | pvar->kind = IEEE_LOCAL; |
| 2212 | return debug_record_variable (dhandle, namcopy, type, DEBUG_REGISTER, |
| 2213 | ieee_regno_to_genreg (info->abfd, v)); |
| 2214 | |
| 2215 | case 3: |
| 2216 | /* Static variable. */ |
| 2217 | if (! ieee_require_asn (info, pp, &v)) |
| 2218 | return FALSE; |
| 2219 | namcopy = savestring (name, namlen); |
| 2220 | if (type == NULL) |
| 2221 | type = debug_make_void_type (dhandle); |
| 2222 | if (info->blockstack.bsp <= info->blockstack.stack) |
| 2223 | blocktype = 0; |
| 2224 | else |
| 2225 | blocktype = info->blockstack.bsp[-1].kind; |
| 2226 | if (pvar != NULL) |
| 2227 | { |
| 2228 | if (blocktype == 4 || blocktype == 6) |
| 2229 | pvar->kind = IEEE_LOCAL; |
| 2230 | else |
| 2231 | pvar->kind = IEEE_STATIC; |
| 2232 | } |
| 2233 | return debug_record_variable (dhandle, namcopy, type, |
| 2234 | (blocktype == 4 || blocktype == 6 |
| 2235 | ? DEBUG_LOCAL_STATIC |
| 2236 | : DEBUG_STATIC), |
| 2237 | v); |
| 2238 | |
| 2239 | case 4: |
| 2240 | /* External function. We don't currently record these. FIXME. */ |
| 2241 | if (pvar != NULL) |
| 2242 | pvar->kind = IEEE_EXTERNAL; |
| 2243 | return TRUE; |
| 2244 | |
| 2245 | case 5: |
| 2246 | /* External variable. We don't currently record these. FIXME. */ |
| 2247 | if (pvar != NULL) |
| 2248 | pvar->kind = IEEE_EXTERNAL; |
| 2249 | return TRUE; |
| 2250 | |
| 2251 | case 7: |
| 2252 | if (! ieee_read_number (info, pp, &v) |
| 2253 | || ! ieee_read_number (info, pp, &v2) |
| 2254 | || ! ieee_read_optional_number (info, pp, &v3, &present)) |
| 2255 | return FALSE; |
| 2256 | if (present) |
| 2257 | { |
| 2258 | if (! ieee_read_optional_number (info, pp, &v4, &present)) |
| 2259 | return FALSE; |
| 2260 | } |
| 2261 | |
| 2262 | /* We just ignore the two optional fields in v3 and v4, since |
| 2263 | they are not defined. */ |
| 2264 | |
| 2265 | if (! ieee_require_asn (info, pp, &v3)) |
| 2266 | return FALSE; |
| 2267 | |
| 2268 | /* We have no way to record the column number. FIXME. */ |
| 2269 | |
| 2270 | return debug_record_line (dhandle, v, v3); |
| 2271 | |
| 2272 | case 8: |
| 2273 | /* Global variable. */ |
| 2274 | if (! ieee_require_asn (info, pp, &v)) |
| 2275 | return FALSE; |
| 2276 | namcopy = savestring (name, namlen); |
| 2277 | if (type == NULL) |
| 2278 | type = debug_make_void_type (dhandle); |
| 2279 | if (pvar != NULL) |
| 2280 | pvar->kind = IEEE_GLOBAL; |
| 2281 | return debug_record_variable (dhandle, namcopy, type, DEBUG_GLOBAL, v); |
| 2282 | |
| 2283 | case 9: |
| 2284 | /* Variable lifetime information. */ |
| 2285 | if (! ieee_read_number (info, pp, &v)) |
| 2286 | return FALSE; |
| 2287 | |
| 2288 | /* We have no way to record this information. FIXME. */ |
| 2289 | return TRUE; |
| 2290 | |
| 2291 | case 10: |
| 2292 | /* Locked register. The spec says that there are two required |
| 2293 | fields, but at least on occasion the MRI compiler only emits |
| 2294 | one. */ |
| 2295 | if (! ieee_read_number (info, pp, &v) |
| 2296 | || ! ieee_read_optional_number (info, pp, &v2, &present)) |
| 2297 | return FALSE; |
| 2298 | |
| 2299 | /* I think this means a variable that is both in a register and |
| 2300 | a frame slot. We ignore the frame slot. FIXME. */ |
| 2301 | |
| 2302 | namcopy = savestring (name, namlen); |
| 2303 | if (type == NULL) |
| 2304 | type = debug_make_void_type (dhandle); |
| 2305 | if (pvar != NULL) |
| 2306 | pvar->kind = IEEE_LOCAL; |
| 2307 | return debug_record_variable (dhandle, namcopy, type, DEBUG_REGISTER, v); |
| 2308 | |
| 2309 | case 11: |
| 2310 | /* Reserved for FORTRAN common. */ |
| 2311 | ieee_error (info, atn_code_start, _("unsupported ATN11")); |
| 2312 | |
| 2313 | /* Return TRUE to keep going. */ |
| 2314 | return TRUE; |
| 2315 | |
| 2316 | case 12: |
| 2317 | /* Based variable. */ |
| 2318 | v3 = 0; |
| 2319 | v4 = 0x80; |
| 2320 | v5 = 0; |
| 2321 | if (! ieee_read_number (info, pp, &v) |
| 2322 | || ! ieee_read_number (info, pp, &v2) |
| 2323 | || ! ieee_read_optional_number (info, pp, &v3, &present)) |
| 2324 | return FALSE; |
| 2325 | if (present) |
| 2326 | { |
| 2327 | if (! ieee_read_optional_number (info, pp, &v4, &present)) |
| 2328 | return FALSE; |
| 2329 | if (present) |
| 2330 | { |
| 2331 | if (! ieee_read_optional_number (info, pp, &v5, &present)) |
| 2332 | return FALSE; |
| 2333 | } |
| 2334 | } |
| 2335 | |
| 2336 | /* We have no way to record this information. FIXME. */ |
| 2337 | |
| 2338 | ieee_error (info, atn_code_start, _("unsupported ATN12")); |
| 2339 | |
| 2340 | /* Return TRUE to keep going. */ |
| 2341 | return TRUE; |
| 2342 | |
| 2343 | case 16: |
| 2344 | /* Constant. The description of this that I have is ambiguous, |
| 2345 | so I'm not going to try to implement it. */ |
| 2346 | if (! ieee_read_number (info, pp, &v) |
| 2347 | || ! ieee_read_optional_number (info, pp, &v2, &present)) |
| 2348 | return FALSE; |
| 2349 | if (present) |
| 2350 | { |
| 2351 | if (! ieee_read_optional_number (info, pp, &v2, &present)) |
| 2352 | return FALSE; |
| 2353 | if (present) |
| 2354 | { |
| 2355 | if (! ieee_read_optional_id (info, pp, &name, &namlen, &present)) |
| 2356 | return FALSE; |
| 2357 | } |
| 2358 | } |
| 2359 | |
| 2360 | if ((ieee_record_enum_type) **pp == ieee_e2_first_byte_enum) |
| 2361 | { |
| 2362 | if (! ieee_require_asn (info, pp, &v3)) |
| 2363 | return FALSE; |
| 2364 | } |
| 2365 | |
| 2366 | return TRUE; |
| 2367 | |
| 2368 | case 19: |
| 2369 | /* Static variable from assembler. */ |
| 2370 | v2 = 0; |
| 2371 | if (! ieee_read_number (info, pp, &v) |
| 2372 | || ! ieee_read_optional_number (info, pp, &v2, &present) |
| 2373 | || ! ieee_require_asn (info, pp, &v3)) |
| 2374 | return FALSE; |
| 2375 | namcopy = savestring (name, namlen); |
| 2376 | /* We don't really handle this correctly. FIXME. */ |
| 2377 | return debug_record_variable (dhandle, namcopy, |
| 2378 | debug_make_void_type (dhandle), |
| 2379 | v2 != 0 ? DEBUG_GLOBAL : DEBUG_STATIC, |
| 2380 | v3); |
| 2381 | |
| 2382 | case 62: |
| 2383 | /* Procedure miscellaneous information. */ |
| 2384 | case 63: |
| 2385 | /* Variable miscellaneous information. */ |
| 2386 | case 64: |
| 2387 | /* Module miscellaneous information. */ |
| 2388 | if (! ieee_read_number (info, pp, &v) |
| 2389 | || ! ieee_read_number (info, pp, &v2) |
| 2390 | || ! ieee_read_optional_id (info, pp, &name, &namlen, &present)) |
| 2391 | return FALSE; |
| 2392 | |
| 2393 | if (atn_code == 62 && v == 80) |
| 2394 | { |
| 2395 | if (present) |
| 2396 | { |
| 2397 | ieee_error (info, atn_code_start, |
| 2398 | _("unexpected string in C++ misc")); |
| 2399 | return FALSE; |
| 2400 | } |
| 2401 | return ieee_read_cxx_misc (info, pp, v2); |
| 2402 | } |
| 2403 | |
| 2404 | /* We just ignore all of this stuff. FIXME. */ |
| 2405 | |
| 2406 | for (; v2 > 0; --v2) |
| 2407 | { |
| 2408 | switch ((ieee_record_enum_type) **pp) |
| 2409 | { |
| 2410 | default: |
| 2411 | ieee_error (info, *pp, _("bad misc record")); |
| 2412 | return FALSE; |
| 2413 | |
| 2414 | case ieee_at_record_enum: |
| 2415 | if (! ieee_require_atn65 (info, pp, &name, &namlen)) |
| 2416 | return FALSE; |
| 2417 | break; |
| 2418 | |
| 2419 | case ieee_e2_first_byte_enum: |
| 2420 | if (! ieee_require_asn (info, pp, &v3)) |
| 2421 | return FALSE; |
| 2422 | break; |
| 2423 | } |
| 2424 | } |
| 2425 | |
| 2426 | return TRUE; |
| 2427 | } |
| 2428 | |
| 2429 | /*NOTREACHED*/ |
| 2430 | } |
| 2431 | |
| 2432 | /* Handle C++ debugging miscellaneous records. This is called for |
| 2433 | procedure miscellaneous records of type 80. */ |
| 2434 | |
| 2435 | static bfd_boolean |
| 2436 | ieee_read_cxx_misc (struct ieee_info *info, const bfd_byte **pp, |
| 2437 | unsigned long count) |
| 2438 | { |
| 2439 | const bfd_byte *start; |
| 2440 | bfd_vma category; |
| 2441 | |
| 2442 | start = *pp; |
| 2443 | |
| 2444 | /* Get the category of C++ misc record. */ |
| 2445 | if (! ieee_require_asn (info, pp, &category)) |
| 2446 | return FALSE; |
| 2447 | --count; |
| 2448 | |
| 2449 | switch (category) |
| 2450 | { |
| 2451 | default: |
| 2452 | ieee_error (info, start, _("unrecognized C++ misc record")); |
| 2453 | return FALSE; |
| 2454 | |
| 2455 | case 'T': |
| 2456 | if (! ieee_read_cxx_class (info, pp, count)) |
| 2457 | return FALSE; |
| 2458 | break; |
| 2459 | |
| 2460 | case 'M': |
| 2461 | { |
| 2462 | bfd_vma flags; |
| 2463 | const char *name; |
| 2464 | unsigned long namlen; |
| 2465 | |
| 2466 | /* The IEEE spec indicates that the 'M' record only has a |
| 2467 | flags field. The MRI compiler also emits the name of the |
| 2468 | function. */ |
| 2469 | |
| 2470 | if (! ieee_require_asn (info, pp, &flags)) |
| 2471 | return FALSE; |
| 2472 | if (*pp < info->pend |
| 2473 | && (ieee_record_enum_type) **pp == ieee_at_record_enum) |
| 2474 | { |
| 2475 | if (! ieee_require_atn65 (info, pp, &name, &namlen)) |
| 2476 | return FALSE; |
| 2477 | } |
| 2478 | |
| 2479 | /* This is emitted for method functions, but I don't think we |
| 2480 | care very much. It might help if it told us useful |
| 2481 | information like the class with which this function is |
| 2482 | associated, but it doesn't, so it isn't helpful. */ |
| 2483 | } |
| 2484 | break; |
| 2485 | |
| 2486 | case 'B': |
| 2487 | if (! ieee_read_cxx_defaults (info, pp, count)) |
| 2488 | return FALSE; |
| 2489 | break; |
| 2490 | |
| 2491 | case 'z': |
| 2492 | { |
| 2493 | const char *name, *mangled, *class; |
| 2494 | unsigned long namlen, mangledlen, classlen; |
| 2495 | bfd_vma control; |
| 2496 | |
| 2497 | /* Pointer to member. */ |
| 2498 | |
| 2499 | if (! ieee_require_atn65 (info, pp, &name, &namlen) |
| 2500 | || ! ieee_require_atn65 (info, pp, &mangled, &mangledlen) |
| 2501 | || ! ieee_require_atn65 (info, pp, &class, &classlen) |
| 2502 | || ! ieee_require_asn (info, pp, &control)) |
| 2503 | return FALSE; |
| 2504 | |
| 2505 | /* FIXME: We should now track down name and change its type. */ |
| 2506 | } |
| 2507 | break; |
| 2508 | |
| 2509 | case 'R': |
| 2510 | if (! ieee_read_reference (info, pp)) |
| 2511 | return FALSE; |
| 2512 | break; |
| 2513 | } |
| 2514 | |
| 2515 | return TRUE; |
| 2516 | } |
| 2517 | |
| 2518 | /* Read a C++ class definition. This is a pmisc type 80 record of |
| 2519 | category 'T'. */ |
| 2520 | |
| 2521 | static bfd_boolean |
| 2522 | ieee_read_cxx_class (struct ieee_info *info, const bfd_byte **pp, |
| 2523 | unsigned long count) |
| 2524 | { |
| 2525 | const bfd_byte *start; |
| 2526 | bfd_vma class; |
| 2527 | const char *tag; |
| 2528 | unsigned long taglen; |
| 2529 | struct ieee_tag *it; |
| 2530 | void *dhandle; |
| 2531 | debug_field *fields; |
| 2532 | unsigned int field_count, field_alloc; |
| 2533 | debug_baseclass *baseclasses; |
| 2534 | unsigned int baseclasses_count, baseclasses_alloc; |
| 2535 | const debug_field *structfields; |
| 2536 | struct ieee_method |
| 2537 | { |
| 2538 | const char *name; |
| 2539 | unsigned long namlen; |
| 2540 | debug_method_variant *variants; |
| 2541 | unsigned count; |
| 2542 | unsigned int alloc; |
| 2543 | } *methods; |
| 2544 | unsigned int methods_count, methods_alloc; |
| 2545 | debug_type vptrbase; |
| 2546 | bfd_boolean ownvptr; |
| 2547 | debug_method *dmethods; |
| 2548 | |
| 2549 | start = *pp; |
| 2550 | |
| 2551 | if (! ieee_require_asn (info, pp, &class)) |
| 2552 | return FALSE; |
| 2553 | --count; |
| 2554 | |
| 2555 | if (! ieee_require_atn65 (info, pp, &tag, &taglen)) |
| 2556 | return FALSE; |
| 2557 | --count; |
| 2558 | |
| 2559 | /* Find the C struct with this name. */ |
| 2560 | for (it = info->tags; it != NULL; it = it->next) |
| 2561 | if (it->name[0] == tag[0] |
| 2562 | && strncmp (it->name, tag, taglen) == 0 |
| 2563 | && strlen (it->name) == taglen) |
| 2564 | break; |
| 2565 | if (it == NULL) |
| 2566 | { |
| 2567 | ieee_error (info, start, _("undefined C++ object")); |
| 2568 | return FALSE; |
| 2569 | } |
| 2570 | |
| 2571 | dhandle = info->dhandle; |
| 2572 | |
| 2573 | fields = NULL; |
| 2574 | field_count = 0; |
| 2575 | field_alloc = 0; |
| 2576 | baseclasses = NULL; |
| 2577 | baseclasses_count = 0; |
| 2578 | baseclasses_alloc = 0; |
| 2579 | methods = NULL; |
| 2580 | methods_count = 0; |
| 2581 | methods_alloc = 0; |
| 2582 | vptrbase = DEBUG_TYPE_NULL; |
| 2583 | ownvptr = FALSE; |
| 2584 | |
| 2585 | structfields = debug_get_fields (dhandle, it->type); |
| 2586 | |
| 2587 | while (count > 0) |
| 2588 | { |
| 2589 | bfd_vma id; |
| 2590 | const bfd_byte *spec_start; |
| 2591 | |
| 2592 | spec_start = *pp; |
| 2593 | |
| 2594 | if (! ieee_require_asn (info, pp, &id)) |
| 2595 | return FALSE; |
| 2596 | --count; |
| 2597 | |
| 2598 | switch (id) |
| 2599 | { |
| 2600 | default: |
| 2601 | ieee_error (info, spec_start, _("unrecognized C++ object spec")); |
| 2602 | return FALSE; |
| 2603 | |
| 2604 | case 'b': |
| 2605 | { |
| 2606 | bfd_vma flags, cinline; |
| 2607 | const char *basename, *fieldname; |
| 2608 | unsigned long baselen, fieldlen; |
| 2609 | char *basecopy; |
| 2610 | debug_type basetype; |
| 2611 | bfd_vma bitpos; |
| 2612 | bfd_boolean virtualp; |
| 2613 | enum debug_visibility visibility; |
| 2614 | debug_baseclass baseclass; |
| 2615 | |
| 2616 | /* This represents a base or friend class. */ |
| 2617 | |
| 2618 | if (! ieee_require_asn (info, pp, &flags) |
| 2619 | || ! ieee_require_atn65 (info, pp, &basename, &baselen) |
| 2620 | || ! ieee_require_asn (info, pp, &cinline) |
| 2621 | || ! ieee_require_atn65 (info, pp, &fieldname, &fieldlen)) |
| 2622 | return FALSE; |
| 2623 | count -= 4; |
| 2624 | |
| 2625 | /* We have no way of recording friend information, so we |
| 2626 | just ignore it. */ |
| 2627 | if ((flags & BASEFLAGS_FRIEND) != 0) |
| 2628 | break; |
| 2629 | |
| 2630 | /* I assume that either all of the members of the |
| 2631 | baseclass are included in the object, starting at the |
| 2632 | beginning of the object, or that none of them are |
| 2633 | included. */ |
| 2634 | |
| 2635 | if ((fieldlen == 0) == (cinline == 0)) |
| 2636 | { |
| 2637 | ieee_error (info, start, _("unsupported C++ object type")); |
| 2638 | return FALSE; |
| 2639 | } |
| 2640 | |
| 2641 | basecopy = savestring (basename, baselen); |
| 2642 | basetype = debug_find_tagged_type (dhandle, basecopy, |
| 2643 | DEBUG_KIND_ILLEGAL); |
| 2644 | free (basecopy); |
| 2645 | if (basetype == DEBUG_TYPE_NULL) |
| 2646 | { |
| 2647 | ieee_error (info, start, _("C++ base class not defined")); |
| 2648 | return FALSE; |
| 2649 | } |
| 2650 | |
| 2651 | if (fieldlen == 0) |
| 2652 | bitpos = 0; |
| 2653 | else |
| 2654 | { |
| 2655 | const debug_field *pf; |
| 2656 | |
| 2657 | if (structfields == NULL) |
| 2658 | { |
| 2659 | ieee_error (info, start, _("C++ object has no fields")); |
| 2660 | return FALSE; |
| 2661 | } |
| 2662 | |
| 2663 | for (pf = structfields; *pf != DEBUG_FIELD_NULL; pf++) |
| 2664 | { |
| 2665 | const char *fname; |
| 2666 | |
| 2667 | fname = debug_get_field_name (dhandle, *pf); |
| 2668 | if (fname == NULL) |
| 2669 | return FALSE; |
| 2670 | if (fname[0] == fieldname[0] |
| 2671 | && strncmp (fname, fieldname, fieldlen) == 0 |
| 2672 | && strlen (fname) == fieldlen) |
| 2673 | break; |
| 2674 | } |
| 2675 | if (*pf == DEBUG_FIELD_NULL) |
| 2676 | { |
| 2677 | ieee_error (info, start, |
| 2678 | _("C++ base class not found in container")); |
| 2679 | return FALSE; |
| 2680 | } |
| 2681 | |
| 2682 | bitpos = debug_get_field_bitpos (dhandle, *pf); |
| 2683 | } |
| 2684 | |
| 2685 | if ((flags & BASEFLAGS_VIRTUAL) != 0) |
| 2686 | virtualp = TRUE; |
| 2687 | else |
| 2688 | virtualp = FALSE; |
| 2689 | if ((flags & BASEFLAGS_PRIVATE) != 0) |
| 2690 | visibility = DEBUG_VISIBILITY_PRIVATE; |
| 2691 | else |
| 2692 | visibility = DEBUG_VISIBILITY_PUBLIC; |
| 2693 | |
| 2694 | baseclass = debug_make_baseclass (dhandle, basetype, bitpos, |
| 2695 | virtualp, visibility); |
| 2696 | if (baseclass == DEBUG_BASECLASS_NULL) |
| 2697 | return FALSE; |
| 2698 | |
| 2699 | if (baseclasses_count + 1 >= baseclasses_alloc) |
| 2700 | { |
| 2701 | baseclasses_alloc += 10; |
| 2702 | baseclasses = ((debug_baseclass *) |
| 2703 | xrealloc (baseclasses, |
| 2704 | (baseclasses_alloc |
| 2705 | * sizeof *baseclasses))); |
| 2706 | } |
| 2707 | |
| 2708 | baseclasses[baseclasses_count] = baseclass; |
| 2709 | ++baseclasses_count; |
| 2710 | baseclasses[baseclasses_count] = DEBUG_BASECLASS_NULL; |
| 2711 | } |
| 2712 | break; |
| 2713 | |
| 2714 | case 'd': |
| 2715 | { |
| 2716 | bfd_vma flags; |
| 2717 | const char *fieldname, *mangledname; |
| 2718 | unsigned long fieldlen, mangledlen; |
| 2719 | char *fieldcopy; |
| 2720 | bfd_boolean staticp; |
| 2721 | debug_type ftype; |
| 2722 | const debug_field *pf = NULL; |
| 2723 | enum debug_visibility visibility; |
| 2724 | debug_field field; |
| 2725 | |
| 2726 | /* This represents a data member. */ |
| 2727 | |
| 2728 | if (! ieee_require_asn (info, pp, &flags) |
| 2729 | || ! ieee_require_atn65 (info, pp, &fieldname, &fieldlen) |
| 2730 | || ! ieee_require_atn65 (info, pp, &mangledname, &mangledlen)) |
| 2731 | return FALSE; |
| 2732 | count -= 3; |
| 2733 | |
| 2734 | fieldcopy = savestring (fieldname, fieldlen); |
| 2735 | |
| 2736 | staticp = (flags & CXXFLAGS_STATIC) != 0 ? TRUE : FALSE; |
| 2737 | |
| 2738 | if (staticp) |
| 2739 | { |
| 2740 | struct ieee_var *pv, *pvend; |
| 2741 | |
| 2742 | /* See if we can find a definition for this variable. */ |
| 2743 | pv = info->vars.vars; |
| 2744 | pvend = pv + info->vars.alloc; |
| 2745 | for (; pv < pvend; pv++) |
| 2746 | if (pv->namlen == mangledlen |
| 2747 | && strncmp (pv->name, mangledname, mangledlen) == 0) |
| 2748 | break; |
| 2749 | if (pv < pvend) |
| 2750 | ftype = pv->type; |
| 2751 | else |
| 2752 | { |
| 2753 | /* This can happen if the variable is never used. */ |
| 2754 | ftype = ieee_builtin_type (info, start, |
| 2755 | (unsigned int) builtin_void); |
| 2756 | } |
| 2757 | } |
| 2758 | else |
| 2759 | { |
| 2760 | unsigned int findx; |
| 2761 | |
| 2762 | if (structfields == NULL) |
| 2763 | { |
| 2764 | ieee_error (info, start, _("C++ object has no fields")); |
| 2765 | return FALSE; |
| 2766 | } |
| 2767 | |
| 2768 | for (pf = structfields, findx = 0; |
| 2769 | *pf != DEBUG_FIELD_NULL; |
| 2770 | pf++, findx++) |
| 2771 | { |
| 2772 | const char *fname; |
| 2773 | |
| 2774 | fname = debug_get_field_name (dhandle, *pf); |
| 2775 | if (fname == NULL) |
| 2776 | return FALSE; |
| 2777 | if (fname[0] == mangledname[0] |
| 2778 | && strncmp (fname, mangledname, mangledlen) == 0 |
| 2779 | && strlen (fname) == mangledlen) |
| 2780 | break; |
| 2781 | } |
| 2782 | if (*pf == DEBUG_FIELD_NULL) |
| 2783 | { |
| 2784 | ieee_error (info, start, |
| 2785 | _("C++ data member not found in container")); |
| 2786 | return FALSE; |
| 2787 | } |
| 2788 | |
| 2789 | ftype = debug_get_field_type (dhandle, *pf); |
| 2790 | |
| 2791 | if (debug_get_type_kind (dhandle, ftype) == DEBUG_KIND_POINTER) |
| 2792 | { |
| 2793 | /* We might need to convert this field into a |
| 2794 | reference type later on, so make it an indirect |
| 2795 | type. */ |
| 2796 | if (it->fslots == NULL) |
| 2797 | { |
| 2798 | unsigned int fcnt; |
| 2799 | const debug_field *pfcnt; |
| 2800 | |
| 2801 | fcnt = 0; |
| 2802 | for (pfcnt = structfields; |
| 2803 | *pfcnt != DEBUG_FIELD_NULL; |
| 2804 | pfcnt++) |
| 2805 | ++fcnt; |
| 2806 | it->fslots = ((debug_type *) |
| 2807 | xmalloc (fcnt * sizeof *it->fslots)); |
| 2808 | memset (it->fslots, 0, |
| 2809 | fcnt * sizeof *it->fslots); |
| 2810 | } |
| 2811 | |
| 2812 | if (ftype == DEBUG_TYPE_NULL) |
| 2813 | return FALSE; |
| 2814 | it->fslots[findx] = ftype; |
| 2815 | ftype = debug_make_indirect_type (dhandle, |
| 2816 | it->fslots + findx, |
| 2817 | (const char *) NULL); |
| 2818 | } |
| 2819 | } |
| 2820 | if (ftype == DEBUG_TYPE_NULL) |
| 2821 | return FALSE; |
| 2822 | |
| 2823 | switch (flags & CXXFLAGS_VISIBILITY) |
| 2824 | { |
| 2825 | default: |
| 2826 | ieee_error (info, start, _("unknown C++ visibility")); |
| 2827 | return FALSE; |
| 2828 | |
| 2829 | case CXXFLAGS_VISIBILITY_PUBLIC: |
| 2830 | visibility = DEBUG_VISIBILITY_PUBLIC; |
| 2831 | break; |
| 2832 | |
| 2833 | case CXXFLAGS_VISIBILITY_PRIVATE: |
| 2834 | visibility = DEBUG_VISIBILITY_PRIVATE; |
| 2835 | break; |
| 2836 | |
| 2837 | case CXXFLAGS_VISIBILITY_PROTECTED: |
| 2838 | visibility = DEBUG_VISIBILITY_PROTECTED; |
| 2839 | break; |
| 2840 | } |
| 2841 | |
| 2842 | if (staticp) |
| 2843 | { |
| 2844 | char *mangledcopy; |
| 2845 | |
| 2846 | mangledcopy = savestring (mangledname, mangledlen); |
| 2847 | |
| 2848 | field = debug_make_static_member (dhandle, fieldcopy, |
| 2849 | ftype, mangledcopy, |
| 2850 | visibility); |
| 2851 | } |
| 2852 | else |
| 2853 | { |
| 2854 | bfd_vma bitpos, bitsize; |
| 2855 | |
| 2856 | bitpos = debug_get_field_bitpos (dhandle, *pf); |
| 2857 | bitsize = debug_get_field_bitsize (dhandle, *pf); |
| 2858 | if (bitpos == (bfd_vma) -1 || bitsize == (bfd_vma) -1) |
| 2859 | { |
| 2860 | ieee_error (info, start, _("bad C++ field bit pos or size")); |
| 2861 | return FALSE; |
| 2862 | } |
| 2863 | field = debug_make_field (dhandle, fieldcopy, ftype, bitpos, |
| 2864 | bitsize, visibility); |
| 2865 | } |
| 2866 | |
| 2867 | if (field == DEBUG_FIELD_NULL) |
| 2868 | return FALSE; |
| 2869 | |
| 2870 | if (field_count + 1 >= field_alloc) |
| 2871 | { |
| 2872 | field_alloc += 10; |
| 2873 | fields = ((debug_field *) |
| 2874 | xrealloc (fields, field_alloc * sizeof *fields)); |
| 2875 | } |
| 2876 | |
| 2877 | fields[field_count] = field; |
| 2878 | ++field_count; |
| 2879 | fields[field_count] = DEBUG_FIELD_NULL; |
| 2880 | } |
| 2881 | break; |
| 2882 | |
| 2883 | case 'm': |
| 2884 | case 'v': |
| 2885 | { |
| 2886 | bfd_vma flags, voffset, control; |
| 2887 | const char *name, *mangled; |
| 2888 | unsigned long namlen, mangledlen; |
| 2889 | struct ieee_var *pv, *pvend; |
| 2890 | debug_type type; |
| 2891 | enum debug_visibility visibility; |
| 2892 | bfd_boolean constp, volatilep; |
| 2893 | char *mangledcopy; |
| 2894 | debug_method_variant mv; |
| 2895 | struct ieee_method *meth; |
| 2896 | unsigned int im; |
| 2897 | |
| 2898 | if (! ieee_require_asn (info, pp, &flags) |
| 2899 | || ! ieee_require_atn65 (info, pp, &name, &namlen) |
| 2900 | || ! ieee_require_atn65 (info, pp, &mangled, &mangledlen)) |
| 2901 | return FALSE; |
| 2902 | count -= 3; |
| 2903 | if (id != 'v') |
| 2904 | voffset = 0; |
| 2905 | else |
| 2906 | { |
| 2907 | if (! ieee_require_asn (info, pp, &voffset)) |
| 2908 | return FALSE; |
| 2909 | --count; |
| 2910 | } |
| 2911 | if (! ieee_require_asn (info, pp, &control)) |
| 2912 | return FALSE; |
| 2913 | --count; |
| 2914 | |
| 2915 | /* We just ignore the control information. */ |
| 2916 | |
| 2917 | /* We have no way to represent friend information, so we |
| 2918 | just ignore it. */ |
| 2919 | if ((flags & CXXFLAGS_FRIEND) != 0) |
| 2920 | break; |
| 2921 | |
| 2922 | /* We should already have seen a type for the function. */ |
| 2923 | pv = info->vars.vars; |
| 2924 | pvend = pv + info->vars.alloc; |
| 2925 | for (; pv < pvend; pv++) |
| 2926 | if (pv->namlen == mangledlen |
| 2927 | && strncmp (pv->name, mangled, mangledlen) == 0) |
| 2928 | break; |
| 2929 | |
| 2930 | if (pv >= pvend) |
| 2931 | { |
| 2932 | /* We won't have type information for this function if |
| 2933 | it is not included in this file. We don't try to |
| 2934 | handle this case. FIXME. */ |
| 2935 | type = (debug_make_function_type |
| 2936 | (dhandle, |
| 2937 | ieee_builtin_type (info, start, |
| 2938 | (unsigned int) builtin_void), |
| 2939 | (debug_type *) NULL, |
| 2940 | FALSE)); |
| 2941 | } |
| 2942 | else |
| 2943 | { |
| 2944 | debug_type return_type; |
| 2945 | const debug_type *arg_types; |
| 2946 | bfd_boolean varargs; |
| 2947 | |
| 2948 | if (debug_get_type_kind (dhandle, pv->type) |
| 2949 | != DEBUG_KIND_FUNCTION) |
| 2950 | { |
| 2951 | ieee_error (info, start, |
| 2952 | _("bad type for C++ method function")); |
| 2953 | return FALSE; |
| 2954 | } |
| 2955 | |
| 2956 | return_type = debug_get_return_type (dhandle, pv->type); |
| 2957 | arg_types = debug_get_parameter_types (dhandle, pv->type, |
| 2958 | &varargs); |
| 2959 | if (return_type == DEBUG_TYPE_NULL || arg_types == NULL) |
| 2960 | { |
| 2961 | ieee_error (info, start, |
| 2962 | _("no type information for C++ method function")); |
| 2963 | return FALSE; |
| 2964 | } |
| 2965 | |
| 2966 | type = debug_make_method_type (dhandle, return_type, it->type, |
| 2967 | (debug_type *) arg_types, |
| 2968 | varargs); |
| 2969 | } |
| 2970 | if (type == DEBUG_TYPE_NULL) |
| 2971 | return FALSE; |
| 2972 | |
| 2973 | switch (flags & CXXFLAGS_VISIBILITY) |
| 2974 | { |
| 2975 | default: |
| 2976 | ieee_error (info, start, _("unknown C++ visibility")); |
| 2977 | return FALSE; |
| 2978 | |
| 2979 | case CXXFLAGS_VISIBILITY_PUBLIC: |
| 2980 | visibility = DEBUG_VISIBILITY_PUBLIC; |
| 2981 | break; |
| 2982 | |
| 2983 | case CXXFLAGS_VISIBILITY_PRIVATE: |
| 2984 | visibility = DEBUG_VISIBILITY_PRIVATE; |
| 2985 | break; |
| 2986 | |
| 2987 | case CXXFLAGS_VISIBILITY_PROTECTED: |
| 2988 | visibility = DEBUG_VISIBILITY_PROTECTED; |
| 2989 | break; |
| 2990 | } |
| 2991 | |
| 2992 | constp = (flags & CXXFLAGS_CONST) != 0 ? TRUE : FALSE; |
| 2993 | volatilep = (flags & CXXFLAGS_VOLATILE) != 0 ? TRUE : FALSE; |
| 2994 | |
| 2995 | mangledcopy = savestring (mangled, mangledlen); |
| 2996 | |
| 2997 | if ((flags & CXXFLAGS_STATIC) != 0) |
| 2998 | { |
| 2999 | if (id == 'v') |
| 3000 | { |
| 3001 | ieee_error (info, start, _("C++ static virtual method")); |
| 3002 | return FALSE; |
| 3003 | } |
| 3004 | mv = debug_make_static_method_variant (dhandle, mangledcopy, |
| 3005 | type, visibility, |
| 3006 | constp, volatilep); |
| 3007 | } |
| 3008 | else |
| 3009 | { |
| 3010 | debug_type vcontext; |
| 3011 | |
| 3012 | if (id != 'v') |
| 3013 | vcontext = DEBUG_TYPE_NULL; |
| 3014 | else |
| 3015 | { |
| 3016 | /* FIXME: How can we calculate this correctly? */ |
| 3017 | vcontext = it->type; |
| 3018 | } |
| 3019 | mv = debug_make_method_variant (dhandle, mangledcopy, type, |
| 3020 | visibility, constp, |
| 3021 | volatilep, voffset, |
| 3022 | vcontext); |
| 3023 | } |
| 3024 | if (mv == DEBUG_METHOD_VARIANT_NULL) |
| 3025 | return FALSE; |
| 3026 | |
| 3027 | for (meth = methods, im = 0; im < methods_count; meth++, im++) |
| 3028 | if (meth->namlen == namlen |
| 3029 | && strncmp (meth->name, name, namlen) == 0) |
| 3030 | break; |
| 3031 | if (im >= methods_count) |
| 3032 | { |
| 3033 | if (methods_count >= methods_alloc) |
| 3034 | { |
| 3035 | methods_alloc += 10; |
| 3036 | methods = ((struct ieee_method *) |
| 3037 | xrealloc (methods, |
| 3038 | methods_alloc * sizeof *methods)); |
| 3039 | } |
| 3040 | methods[methods_count].name = name; |
| 3041 | methods[methods_count].namlen = namlen; |
| 3042 | methods[methods_count].variants = NULL; |
| 3043 | methods[methods_count].count = 0; |
| 3044 | methods[methods_count].alloc = 0; |
| 3045 | meth = methods + methods_count; |
| 3046 | ++methods_count; |
| 3047 | } |
| 3048 | |
| 3049 | if (meth->count + 1 >= meth->alloc) |
| 3050 | { |
| 3051 | meth->alloc += 10; |
| 3052 | meth->variants = ((debug_method_variant *) |
| 3053 | xrealloc (meth->variants, |
| 3054 | (meth->alloc |
| 3055 | * sizeof *meth->variants))); |
| 3056 | } |
| 3057 | |
| 3058 | meth->variants[meth->count] = mv; |
| 3059 | ++meth->count; |
| 3060 | meth->variants[meth->count] = DEBUG_METHOD_VARIANT_NULL; |
| 3061 | } |
| 3062 | break; |
| 3063 | |
| 3064 | case 'o': |
| 3065 | { |
| 3066 | bfd_vma spec; |
| 3067 | |
| 3068 | /* We have no way to store this information, so we just |
| 3069 | ignore it. */ |
| 3070 | if (! ieee_require_asn (info, pp, &spec)) |
| 3071 | return FALSE; |
| 3072 | --count; |
| 3073 | if ((spec & 4) != 0) |
| 3074 | { |
| 3075 | const char *filename; |
| 3076 | unsigned long filenamlen; |
| 3077 | bfd_vma lineno; |
| 3078 | |
| 3079 | if (! ieee_require_atn65 (info, pp, &filename, &filenamlen) |
| 3080 | || ! ieee_require_asn (info, pp, &lineno)) |
| 3081 | return FALSE; |
| 3082 | count -= 2; |
| 3083 | } |
| 3084 | else if ((spec & 8) != 0) |
| 3085 | { |
| 3086 | const char *mangled; |
| 3087 | unsigned long mangledlen; |
| 3088 | |
| 3089 | if (! ieee_require_atn65 (info, pp, &mangled, &mangledlen)) |
| 3090 | return FALSE; |
| 3091 | --count; |
| 3092 | } |
| 3093 | else |
| 3094 | { |
| 3095 | ieee_error (info, start, |
| 3096 | _("unrecognized C++ object overhead spec")); |
| 3097 | return FALSE; |
| 3098 | } |
| 3099 | } |
| 3100 | break; |
| 3101 | |
| 3102 | case 'z': |
| 3103 | { |
| 3104 | const char *vname, *basename; |
| 3105 | unsigned long vnamelen, baselen; |
| 3106 | bfd_vma vsize, control; |
| 3107 | |
| 3108 | /* A virtual table pointer. */ |
| 3109 | |
| 3110 | if (! ieee_require_atn65 (info, pp, &vname, &vnamelen) |
| 3111 | || ! ieee_require_asn (info, pp, &vsize) |
| 3112 | || ! ieee_require_atn65 (info, pp, &basename, &baselen) |
| 3113 | || ! ieee_require_asn (info, pp, &control)) |
| 3114 | return FALSE; |
| 3115 | count -= 4; |
| 3116 | |
| 3117 | /* We just ignore the control number. We don't care what |
| 3118 | the virtual table name is. We have no way to store the |
| 3119 | virtual table size, and I don't think we care anyhow. */ |
| 3120 | |
| 3121 | /* FIXME: We can't handle multiple virtual table pointers. */ |
| 3122 | |
| 3123 | if (baselen == 0) |
| 3124 | ownvptr = TRUE; |
| 3125 | else |
| 3126 | { |
| 3127 | char *basecopy; |
| 3128 | |
| 3129 | basecopy = savestring (basename, baselen); |
| 3130 | vptrbase = debug_find_tagged_type (dhandle, basecopy, |
| 3131 | DEBUG_KIND_ILLEGAL); |
| 3132 | free (basecopy); |
| 3133 | if (vptrbase == DEBUG_TYPE_NULL) |
| 3134 | { |
| 3135 | ieee_error (info, start, _("undefined C++ vtable")); |
| 3136 | return FALSE; |
| 3137 | } |
| 3138 | } |
| 3139 | } |
| 3140 | break; |
| 3141 | } |
| 3142 | } |
| 3143 | |
| 3144 | /* Now that we have seen all the method variants, we can call |
| 3145 | debug_make_method for each one. */ |
| 3146 | |
| 3147 | if (methods_count == 0) |
| 3148 | dmethods = NULL; |
| 3149 | else |
| 3150 | { |
| 3151 | unsigned int i; |
| 3152 | |
| 3153 | dmethods = ((debug_method *) |
| 3154 | xmalloc ((methods_count + 1) * sizeof *dmethods)); |
| 3155 | for (i = 0; i < methods_count; i++) |
| 3156 | { |
| 3157 | char *namcopy; |
| 3158 | |
| 3159 | namcopy = savestring (methods[i].name, methods[i].namlen); |
| 3160 | dmethods[i] = debug_make_method (dhandle, namcopy, |
| 3161 | methods[i].variants); |
| 3162 | if (dmethods[i] == DEBUG_METHOD_NULL) |
| 3163 | return FALSE; |
| 3164 | } |
| 3165 | dmethods[i] = DEBUG_METHOD_NULL; |
| 3166 | free (methods); |
| 3167 | } |
| 3168 | |
| 3169 | /* The struct type was created as an indirect type pointing at |
| 3170 | it->slot. We update it->slot to automatically update all |
| 3171 | references to this struct. */ |
| 3172 | it->slot = debug_make_object_type (dhandle, |
| 3173 | class != 'u', |
| 3174 | debug_get_type_size (dhandle, |
| 3175 | it->slot), |
| 3176 | fields, baseclasses, dmethods, |
| 3177 | vptrbase, ownvptr); |
| 3178 | if (it->slot == DEBUG_TYPE_NULL) |
| 3179 | return FALSE; |
| 3180 | |
| 3181 | return TRUE; |
| 3182 | } |
| 3183 | |
| 3184 | /* Read C++ default argument value and reference type information. */ |
| 3185 | |
| 3186 | static bfd_boolean |
| 3187 | ieee_read_cxx_defaults (struct ieee_info *info, const bfd_byte **pp, |
| 3188 | unsigned long count) |
| 3189 | { |
| 3190 | const bfd_byte *start; |
| 3191 | const char *fnname; |
| 3192 | unsigned long fnlen; |
| 3193 | bfd_vma defcount; |
| 3194 | |
| 3195 | start = *pp; |
| 3196 | |
| 3197 | /* Giving the function name before the argument count is an addendum |
| 3198 | to the spec. The function name is demangled, though, so this |
| 3199 | record must always refer to the current function. */ |
| 3200 | |
| 3201 | if (info->blockstack.bsp <= info->blockstack.stack |
| 3202 | || info->blockstack.bsp[-1].fnindx == (unsigned int) -1) |
| 3203 | { |
| 3204 | ieee_error (info, start, _("C++ default values not in a function")); |
| 3205 | return FALSE; |
| 3206 | } |
| 3207 | |
| 3208 | if (! ieee_require_atn65 (info, pp, &fnname, &fnlen) |
| 3209 | || ! ieee_require_asn (info, pp, &defcount)) |
| 3210 | return FALSE; |
| 3211 | count -= 2; |
| 3212 | |
| 3213 | while (defcount-- > 0) |
| 3214 | { |
| 3215 | bfd_vma type, val; |
| 3216 | const char *strval; |
| 3217 | unsigned long strvallen; |
| 3218 | |
| 3219 | if (! ieee_require_asn (info, pp, &type)) |
| 3220 | return FALSE; |
| 3221 | --count; |
| 3222 | |
| 3223 | switch (type) |
| 3224 | { |
| 3225 | case 0: |
| 3226 | case 4: |
| 3227 | break; |
| 3228 | |
| 3229 | case 1: |
| 3230 | case 2: |
| 3231 | if (! ieee_require_asn (info, pp, &val)) |
| 3232 | return FALSE; |
| 3233 | --count; |
| 3234 | break; |
| 3235 | |
| 3236 | case 3: |
| 3237 | case 7: |
| 3238 | if (! ieee_require_atn65 (info, pp, &strval, &strvallen)) |
| 3239 | return FALSE; |
| 3240 | --count; |
| 3241 | break; |
| 3242 | |
| 3243 | default: |
| 3244 | ieee_error (info, start, _("unrecognized C++ default type")); |
| 3245 | return FALSE; |
| 3246 | } |
| 3247 | |
| 3248 | /* We have no way to record the default argument values, so we |
| 3249 | just ignore them. FIXME. */ |
| 3250 | } |
| 3251 | |
| 3252 | /* Any remaining arguments are indices of parameters that are really |
| 3253 | reference type. */ |
| 3254 | if (count > 0) |
| 3255 | { |
| 3256 | void *dhandle; |
| 3257 | debug_type *arg_slots; |
| 3258 | |
| 3259 | dhandle = info->dhandle; |
| 3260 | arg_slots = info->types.types[info->blockstack.bsp[-1].fnindx].arg_slots; |
| 3261 | while (count-- > 0) |
| 3262 | { |
| 3263 | bfd_vma indx; |
| 3264 | debug_type target; |
| 3265 | |
| 3266 | if (! ieee_require_asn (info, pp, &indx)) |
| 3267 | return FALSE; |
| 3268 | /* The index is 1 based. */ |
| 3269 | --indx; |
| 3270 | if (arg_slots == NULL |
| 3271 | || arg_slots[indx] == DEBUG_TYPE_NULL |
| 3272 | || (debug_get_type_kind (dhandle, arg_slots[indx]) |
| 3273 | != DEBUG_KIND_POINTER)) |
| 3274 | { |
| 3275 | ieee_error (info, start, _("reference parameter is not a pointer")); |
| 3276 | return FALSE; |
| 3277 | } |
| 3278 | |
| 3279 | target = debug_get_target_type (dhandle, arg_slots[indx]); |
| 3280 | arg_slots[indx] = debug_make_reference_type (dhandle, target); |
| 3281 | if (arg_slots[indx] == DEBUG_TYPE_NULL) |
| 3282 | return FALSE; |
| 3283 | } |
| 3284 | } |
| 3285 | |
| 3286 | return TRUE; |
| 3287 | } |
| 3288 | |
| 3289 | /* Read a C++ reference definition. */ |
| 3290 | |
| 3291 | static bfd_boolean |
| 3292 | ieee_read_reference (struct ieee_info *info, const bfd_byte **pp) |
| 3293 | { |
| 3294 | const bfd_byte *start; |
| 3295 | bfd_vma flags; |
| 3296 | const char *class, *name; |
| 3297 | unsigned long classlen, namlen; |
| 3298 | debug_type *pslot; |
| 3299 | debug_type target; |
| 3300 | |
| 3301 | start = *pp; |
| 3302 | |
| 3303 | if (! ieee_require_asn (info, pp, &flags)) |
| 3304 | return FALSE; |
| 3305 | |
| 3306 | /* Giving the class name before the member name is in an addendum to |
| 3307 | the spec. */ |
| 3308 | if (flags == 3) |
| 3309 | { |
| 3310 | if (! ieee_require_atn65 (info, pp, &class, &classlen)) |
| 3311 | return FALSE; |
| 3312 | } |
| 3313 | |
| 3314 | if (! ieee_require_atn65 (info, pp, &name, &namlen)) |
| 3315 | return FALSE; |
| 3316 | |
| 3317 | pslot = NULL; |
| 3318 | if (flags != 3) |
| 3319 | { |
| 3320 | int pass; |
| 3321 | |
| 3322 | /* We search from the last variable indices to the first in |
| 3323 | hopes of finding local variables correctly. We search the |
| 3324 | local variables on the first pass, and the global variables |
| 3325 | on the second. FIXME: This probably won't work in all cases. |
| 3326 | On the other hand, I don't know what will. */ |
| 3327 | for (pass = 0; pass < 2; pass++) |
| 3328 | { |
| 3329 | struct ieee_vars *vars; |
| 3330 | int i; |
| 3331 | struct ieee_var *pv = NULL; |
| 3332 | |
| 3333 | if (pass == 0) |
| 3334 | vars = &info->vars; |
| 3335 | else |
| 3336 | { |
| 3337 | vars = info->global_vars; |
| 3338 | if (vars == NULL) |
| 3339 | break; |
| 3340 | } |
| 3341 | |
| 3342 | for (i = (int) vars->alloc - 1; i >= 0; i--) |
| 3343 | { |
| 3344 | bfd_boolean found; |
| 3345 | |
| 3346 | pv = vars->vars + i; |
| 3347 | |
| 3348 | if (pv->pslot == NULL |
| 3349 | || pv->namlen != namlen |
| 3350 | || strncmp (pv->name, name, namlen) != 0) |
| 3351 | continue; |
| 3352 | |
| 3353 | found = FALSE; |
| 3354 | switch (flags) |
| 3355 | { |
| 3356 | default: |
| 3357 | ieee_error (info, start, |
| 3358 | _("unrecognized C++ reference type")); |
| 3359 | return FALSE; |
| 3360 | |
| 3361 | case 0: |
| 3362 | /* Global variable or function. */ |
| 3363 | if (pv->kind == IEEE_GLOBAL |
| 3364 | || pv->kind == IEEE_EXTERNAL |
| 3365 | || pv->kind == IEEE_FUNCTION) |
| 3366 | found = TRUE; |
| 3367 | break; |
| 3368 | |
| 3369 | case 1: |
| 3370 | /* Global static variable or function. */ |
| 3371 | if (pv->kind == IEEE_STATIC |
| 3372 | || pv->kind == IEEE_FUNCTION) |
| 3373 | found = TRUE; |
| 3374 | break; |
| 3375 | |
| 3376 | case 2: |
| 3377 | /* Local variable. */ |
| 3378 | if (pv->kind == IEEE_LOCAL) |
| 3379 | found = TRUE; |
| 3380 | break; |
| 3381 | } |
| 3382 | |
| 3383 | if (found) |
| 3384 | break; |
| 3385 | } |
| 3386 | |
| 3387 | if (i >= 0) |
| 3388 | { |
| 3389 | pslot = pv->pslot; |
| 3390 | break; |
| 3391 | } |
| 3392 | } |
| 3393 | } |
| 3394 | else |
| 3395 | { |
| 3396 | struct ieee_tag *it; |
| 3397 | |
| 3398 | for (it = info->tags; it != NULL; it = it->next) |
| 3399 | { |
| 3400 | if (it->name[0] == class[0] |
| 3401 | && strncmp (it->name, class, classlen) == 0 |
| 3402 | && strlen (it->name) == classlen) |
| 3403 | { |
| 3404 | if (it->fslots != NULL) |
| 3405 | { |
| 3406 | const debug_field *pf; |
| 3407 | unsigned int findx; |
| 3408 | |
| 3409 | pf = debug_get_fields (info->dhandle, it->type); |
| 3410 | if (pf == NULL) |
| 3411 | { |
| 3412 | ieee_error (info, start, |
| 3413 | "C++ reference in class with no fields"); |
| 3414 | return FALSE; |
| 3415 | } |
| 3416 | |
| 3417 | for (findx = 0; *pf != DEBUG_FIELD_NULL; pf++, findx++) |
| 3418 | { |
| 3419 | const char *fname; |
| 3420 | |
| 3421 | fname = debug_get_field_name (info->dhandle, *pf); |
| 3422 | if (fname == NULL) |
| 3423 | return FALSE; |
| 3424 | if (strncmp (fname, name, namlen) == 0 |
| 3425 | && strlen (fname) == namlen) |
| 3426 | { |
| 3427 | pslot = it->fslots + findx; |
| 3428 | break; |
| 3429 | } |
| 3430 | } |
| 3431 | } |
| 3432 | |
| 3433 | break; |
| 3434 | } |
| 3435 | } |
| 3436 | } |
| 3437 | |
| 3438 | if (pslot == NULL) |
| 3439 | { |
| 3440 | ieee_error (info, start, _("C++ reference not found")); |
| 3441 | return FALSE; |
| 3442 | } |
| 3443 | |
| 3444 | /* We allocated the type of the object as an indirect type pointing |
| 3445 | to *pslot, which we can now update to be a reference type. */ |
| 3446 | if (debug_get_type_kind (info->dhandle, *pslot) != DEBUG_KIND_POINTER) |
| 3447 | { |
| 3448 | ieee_error (info, start, _("C++ reference is not pointer")); |
| 3449 | return FALSE; |
| 3450 | } |
| 3451 | |
| 3452 | target = debug_get_target_type (info->dhandle, *pslot); |
| 3453 | *pslot = debug_make_reference_type (info->dhandle, target); |
| 3454 | if (*pslot == DEBUG_TYPE_NULL) |
| 3455 | return FALSE; |
| 3456 | |
| 3457 | return TRUE; |
| 3458 | } |
| 3459 | |
| 3460 | /* Require an ASN record. */ |
| 3461 | |
| 3462 | static bfd_boolean |
| 3463 | ieee_require_asn (struct ieee_info *info, const bfd_byte **pp, bfd_vma *pv) |
| 3464 | { |
| 3465 | const bfd_byte *start; |
| 3466 | ieee_record_enum_type c; |
| 3467 | bfd_vma varindx; |
| 3468 | |
| 3469 | start = *pp; |
| 3470 | |
| 3471 | c = (ieee_record_enum_type) **pp; |
| 3472 | if (c != ieee_e2_first_byte_enum) |
| 3473 | { |
| 3474 | ieee_error (info, start, _("missing required ASN")); |
| 3475 | return FALSE; |
| 3476 | } |
| 3477 | ++*pp; |
| 3478 | |
| 3479 | c = (ieee_record_enum_type) (((unsigned int) c << 8) | **pp); |
| 3480 | if (c != ieee_asn_record_enum) |
| 3481 | { |
| 3482 | ieee_error (info, start, _("missing required ASN")); |
| 3483 | return FALSE; |
| 3484 | } |
| 3485 | ++*pp; |
| 3486 | |
| 3487 | /* Just ignore the variable index. */ |
| 3488 | if (! ieee_read_number (info, pp, &varindx)) |
| 3489 | return FALSE; |
| 3490 | |
| 3491 | return ieee_read_expression (info, pp, pv); |
| 3492 | } |
| 3493 | |
| 3494 | /* Require an ATN65 record. */ |
| 3495 | |
| 3496 | static bfd_boolean |
| 3497 | ieee_require_atn65 (struct ieee_info *info, const bfd_byte **pp, |
| 3498 | const char **pname, unsigned long *pnamlen) |
| 3499 | { |
| 3500 | const bfd_byte *start; |
| 3501 | ieee_record_enum_type c; |
| 3502 | bfd_vma name_indx, type_indx, atn_code; |
| 3503 | |
| 3504 | start = *pp; |
| 3505 | |
| 3506 | c = (ieee_record_enum_type) **pp; |
| 3507 | if (c != ieee_at_record_enum) |
| 3508 | { |
| 3509 | ieee_error (info, start, _("missing required ATN65")); |
| 3510 | return FALSE; |
| 3511 | } |
| 3512 | ++*pp; |
| 3513 | |
| 3514 | c = (ieee_record_enum_type) (((unsigned int) c << 8) | **pp); |
| 3515 | if (c != ieee_atn_record_enum) |
| 3516 | { |
| 3517 | ieee_error (info, start, _("missing required ATN65")); |
| 3518 | return FALSE; |
| 3519 | } |
| 3520 | ++*pp; |
| 3521 | |
| 3522 | if (! ieee_read_number (info, pp, &name_indx) |
| 3523 | || ! ieee_read_number (info, pp, &type_indx) |
| 3524 | || ! ieee_read_number (info, pp, &atn_code)) |
| 3525 | return FALSE; |
| 3526 | |
| 3527 | /* Just ignore name_indx. */ |
| 3528 | |
| 3529 | if (type_indx != 0 || atn_code != 65) |
| 3530 | { |
| 3531 | ieee_error (info, start, _("bad ATN65 record")); |
| 3532 | return FALSE; |
| 3533 | } |
| 3534 | |
| 3535 | return ieee_read_id (info, pp, pname, pnamlen); |
| 3536 | } |
| 3537 | \f |
| 3538 | /* Convert a register number in IEEE debugging information into a |
| 3539 | generic register number. */ |
| 3540 | |
| 3541 | static int |
| 3542 | ieee_regno_to_genreg (bfd *abfd, int r) |
| 3543 | { |
| 3544 | switch (bfd_get_arch (abfd)) |
| 3545 | { |
| 3546 | case bfd_arch_m68k: |
| 3547 | /* For some reasons stabs adds 2 to the floating point register |
| 3548 | numbers. */ |
| 3549 | if (r >= 16) |
| 3550 | r += 2; |
| 3551 | break; |
| 3552 | |
| 3553 | case bfd_arch_i960: |
| 3554 | /* Stabs uses 0 to 15 for r0 to r15, 16 to 31 for g0 to g15, and |
| 3555 | 32 to 35 for fp0 to fp3. */ |
| 3556 | --r; |
| 3557 | break; |
| 3558 | |
| 3559 | default: |
| 3560 | break; |
| 3561 | } |
| 3562 | |
| 3563 | return r; |
| 3564 | } |
| 3565 | |
| 3566 | /* Convert a generic register number to an IEEE specific one. */ |
| 3567 | |
| 3568 | static int |
| 3569 | ieee_genreg_to_regno (bfd *abfd, int r) |
| 3570 | { |
| 3571 | switch (bfd_get_arch (abfd)) |
| 3572 | { |
| 3573 | case bfd_arch_m68k: |
| 3574 | /* For some reason stabs add 2 to the floating point register |
| 3575 | numbers. */ |
| 3576 | if (r >= 18) |
| 3577 | r -= 2; |
| 3578 | break; |
| 3579 | |
| 3580 | case bfd_arch_i960: |
| 3581 | /* Stabs uses 0 to 15 for r0 to r15, 16 to 31 for g0 to g15, and |
| 3582 | 32 to 35 for fp0 to fp3. */ |
| 3583 | ++r; |
| 3584 | break; |
| 3585 | |
| 3586 | default: |
| 3587 | break; |
| 3588 | } |
| 3589 | |
| 3590 | return r; |
| 3591 | } |
| 3592 | \f |
| 3593 | /* These routines build IEEE debugging information out of the generic |
| 3594 | debugging information. */ |
| 3595 | |
| 3596 | /* We build the IEEE debugging information byte by byte. Rather than |
| 3597 | waste time copying data around, we use a linked list of buffers to |
| 3598 | hold the data. */ |
| 3599 | |
| 3600 | #define IEEE_BUFSIZE (490) |
| 3601 | |
| 3602 | struct ieee_buf |
| 3603 | { |
| 3604 | /* Next buffer. */ |
| 3605 | struct ieee_buf *next; |
| 3606 | /* Number of data bytes in this buffer. */ |
| 3607 | unsigned int c; |
| 3608 | /* Bytes. */ |
| 3609 | bfd_byte buf[IEEE_BUFSIZE]; |
| 3610 | }; |
| 3611 | |
| 3612 | /* A list of buffers. */ |
| 3613 | |
| 3614 | struct ieee_buflist |
| 3615 | { |
| 3616 | /* Head of list. */ |
| 3617 | struct ieee_buf *head; |
| 3618 | /* Tail--last buffer on list. */ |
| 3619 | struct ieee_buf *tail; |
| 3620 | }; |
| 3621 | |
| 3622 | /* In order to generate the BB11 blocks required by the HP emulator, |
| 3623 | we keep track of ranges of addresses which correspond to a given |
| 3624 | compilation unit. */ |
| 3625 | |
| 3626 | struct ieee_range |
| 3627 | { |
| 3628 | /* Next range. */ |
| 3629 | struct ieee_range *next; |
| 3630 | /* Low address. */ |
| 3631 | bfd_vma low; |
| 3632 | /* High address. */ |
| 3633 | bfd_vma high; |
| 3634 | }; |
| 3635 | |
| 3636 | /* This structure holds information for a class on the type stack. */ |
| 3637 | |
| 3638 | struct ieee_type_class |
| 3639 | { |
| 3640 | /* The name index in the debugging information. */ |
| 3641 | unsigned int indx; |
| 3642 | /* The pmisc records for the class. */ |
| 3643 | struct ieee_buflist pmiscbuf; |
| 3644 | /* The number of pmisc records. */ |
| 3645 | unsigned int pmisccount; |
| 3646 | /* The name of the class holding the virtual table, if not this |
| 3647 | class. */ |
| 3648 | const char *vclass; |
| 3649 | /* Whether this class holds its own virtual table. */ |
| 3650 | bfd_boolean ownvptr; |
| 3651 | /* The largest virtual table offset seen so far. */ |
| 3652 | bfd_vma voffset; |
| 3653 | /* The current method. */ |
| 3654 | const char *method; |
| 3655 | /* Additional pmisc records used to record fields of reference type. */ |
| 3656 | struct ieee_buflist refs; |
| 3657 | }; |
| 3658 | |
| 3659 | /* This is how we store types for the writing routines. Most types |
| 3660 | are simply represented by a type index. */ |
| 3661 | |
| 3662 | struct ieee_write_type |
| 3663 | { |
| 3664 | /* Type index. */ |
| 3665 | unsigned int indx; |
| 3666 | /* The size of the type, if known. */ |
| 3667 | unsigned int size; |
| 3668 | /* The name of the type, if any. */ |
| 3669 | const char *name; |
| 3670 | /* If this is a function or method type, we build the type here, and |
| 3671 | only add it to the output buffers if we need it. */ |
| 3672 | struct ieee_buflist fndef; |
| 3673 | /* If this is a struct, this is where the struct definition is |
| 3674 | built. */ |
| 3675 | struct ieee_buflist strdef; |
| 3676 | /* If this is a class, this is where the class information is built. */ |
| 3677 | struct ieee_type_class *classdef; |
| 3678 | /* Whether the type is unsigned. */ |
| 3679 | unsigned int unsignedp : 1; |
| 3680 | /* Whether this is a reference type. */ |
| 3681 | unsigned int referencep : 1; |
| 3682 | /* Whether this is in the local type block. */ |
| 3683 | unsigned int localp : 1; |
| 3684 | /* Whether this is a duplicate struct definition which we are |
| 3685 | ignoring. */ |
| 3686 | unsigned int ignorep : 1; |
| 3687 | }; |
| 3688 | |
| 3689 | /* This is the type stack used by the debug writing routines. FIXME: |
| 3690 | We could generate more efficient output if we remembered when we |
| 3691 | have output a particular type before. */ |
| 3692 | |
| 3693 | struct ieee_type_stack |
| 3694 | { |
| 3695 | /* Next entry on stack. */ |
| 3696 | struct ieee_type_stack *next; |
| 3697 | /* Type information. */ |
| 3698 | struct ieee_write_type type; |
| 3699 | }; |
| 3700 | |
| 3701 | /* This is a list of associations between a name and some types. |
| 3702 | These are used for typedefs and tags. */ |
| 3703 | |
| 3704 | struct ieee_name_type |
| 3705 | { |
| 3706 | /* Next type for this name. */ |
| 3707 | struct ieee_name_type *next; |
| 3708 | /* ID number. For a typedef, this is the index of the type to which |
| 3709 | this name is typedefed. */ |
| 3710 | unsigned int id; |
| 3711 | /* Type. */ |
| 3712 | struct ieee_write_type type; |
| 3713 | /* If this is a tag which has not yet been defined, this is the |
| 3714 | kind. If the tag has been defined, this is DEBUG_KIND_ILLEGAL. */ |
| 3715 | enum debug_type_kind kind; |
| 3716 | }; |
| 3717 | |
| 3718 | /* We use a hash table to associate names and types. */ |
| 3719 | |
| 3720 | struct ieee_name_type_hash_table |
| 3721 | { |
| 3722 | struct bfd_hash_table root; |
| 3723 | }; |
| 3724 | |
| 3725 | struct ieee_name_type_hash_entry |
| 3726 | { |
| 3727 | struct bfd_hash_entry root; |
| 3728 | /* Information for this name. */ |
| 3729 | struct ieee_name_type *types; |
| 3730 | }; |
| 3731 | |
| 3732 | /* This is a list of enums. */ |
| 3733 | |
| 3734 | struct ieee_defined_enum |
| 3735 | { |
| 3736 | /* Next enum. */ |
| 3737 | struct ieee_defined_enum *next; |
| 3738 | /* Type index. */ |
| 3739 | unsigned int indx; |
| 3740 | /* Whether this enum has been defined. */ |
| 3741 | bfd_boolean defined; |
| 3742 | /* Tag. */ |
| 3743 | const char *tag; |
| 3744 | /* Names. */ |
| 3745 | const char **names; |
| 3746 | /* Values. */ |
| 3747 | bfd_signed_vma *vals; |
| 3748 | }; |
| 3749 | |
| 3750 | /* We keep a list of modified versions of types, so that we don't |
| 3751 | output them more than once. */ |
| 3752 | |
| 3753 | struct ieee_modified_type |
| 3754 | { |
| 3755 | /* Pointer to this type. */ |
| 3756 | unsigned int pointer; |
| 3757 | /* Function with unknown arguments returning this type. */ |
| 3758 | unsigned int function; |
| 3759 | /* Const version of this type. */ |
| 3760 | unsigned int const_qualified; |
| 3761 | /* Volatile version of this type. */ |
| 3762 | unsigned int volatile_qualified; |
| 3763 | /* List of arrays of this type of various bounds. */ |
| 3764 | struct ieee_modified_array_type *arrays; |
| 3765 | }; |
| 3766 | |
| 3767 | /* A list of arrays bounds. */ |
| 3768 | |
| 3769 | struct ieee_modified_array_type |
| 3770 | { |
| 3771 | /* Next array bounds. */ |
| 3772 | struct ieee_modified_array_type *next; |
| 3773 | /* Type index with these bounds. */ |
| 3774 | unsigned int indx; |
| 3775 | /* Low bound. */ |
| 3776 | bfd_signed_vma low; |
| 3777 | /* High bound. */ |
| 3778 | bfd_signed_vma high; |
| 3779 | }; |
| 3780 | |
| 3781 | /* This is a list of pending function parameter information. We don't |
| 3782 | output them until we see the first block. */ |
| 3783 | |
| 3784 | struct ieee_pending_parm |
| 3785 | { |
| 3786 | /* Next pending parameter. */ |
| 3787 | struct ieee_pending_parm *next; |
| 3788 | /* Name. */ |
| 3789 | const char *name; |
| 3790 | /* Type index. */ |
| 3791 | unsigned int type; |
| 3792 | /* Whether the type is a reference. */ |
| 3793 | bfd_boolean referencep; |
| 3794 | /* Kind. */ |
| 3795 | enum debug_parm_kind kind; |
| 3796 | /* Value. */ |
| 3797 | bfd_vma val; |
| 3798 | }; |
| 3799 | |
| 3800 | /* This is the handle passed down by debug_write. */ |
| 3801 | |
| 3802 | struct ieee_handle |
| 3803 | { |
| 3804 | /* BFD we are writing to. */ |
| 3805 | bfd *abfd; |
| 3806 | /* Whether we got an error in a subroutine called via traverse or |
| 3807 | map_over_sections. */ |
| 3808 | bfd_boolean error; |
| 3809 | /* Current data buffer list. */ |
| 3810 | struct ieee_buflist *current; |
| 3811 | /* Current data buffer. */ |
| 3812 | struct ieee_buf *curbuf; |
| 3813 | /* Filename of current compilation unit. */ |
| 3814 | const char *filename; |
| 3815 | /* Module name of current compilation unit. */ |
| 3816 | const char *modname; |
| 3817 | /* List of buffer for global types. */ |
| 3818 | struct ieee_buflist global_types; |
| 3819 | /* List of finished data buffers. */ |
| 3820 | struct ieee_buflist data; |
| 3821 | /* List of buffers for typedefs in the current compilation unit. */ |
| 3822 | struct ieee_buflist types; |
| 3823 | /* List of buffers for variables and functions in the current |
| 3824 | compilation unit. */ |
| 3825 | struct ieee_buflist vars; |
| 3826 | /* List of buffers for C++ class definitions in the current |
| 3827 | compilation unit. */ |
| 3828 | struct ieee_buflist cxx; |
| 3829 | /* List of buffers for line numbers in the current compilation unit. */ |
| 3830 | struct ieee_buflist linenos; |
| 3831 | /* Ranges for the current compilation unit. */ |
| 3832 | struct ieee_range *ranges; |
| 3833 | /* Ranges for all debugging information. */ |
| 3834 | struct ieee_range *global_ranges; |
| 3835 | /* Nested pending ranges. */ |
| 3836 | struct ieee_range *pending_ranges; |
| 3837 | /* Type stack. */ |
| 3838 | struct ieee_type_stack *type_stack; |
| 3839 | /* Next unallocated type index. */ |
| 3840 | unsigned int type_indx; |
| 3841 | /* Next unallocated name index. */ |
| 3842 | unsigned int name_indx; |
| 3843 | /* Typedefs. */ |
| 3844 | struct ieee_name_type_hash_table typedefs; |
| 3845 | /* Tags. */ |
| 3846 | struct ieee_name_type_hash_table tags; |
| 3847 | /* Enums. */ |
| 3848 | struct ieee_defined_enum *enums; |
| 3849 | /* Modified versions of types. */ |
| 3850 | struct ieee_modified_type *modified; |
| 3851 | /* Number of entries allocated in modified. */ |
| 3852 | unsigned int modified_alloc; |
| 3853 | /* 4 byte complex type. */ |
| 3854 | unsigned int complex_float_index; |
| 3855 | /* 8 byte complex type. */ |
| 3856 | unsigned int complex_double_index; |
| 3857 | /* The depth of block nesting. This is 0 outside a function, and 1 |
| 3858 | just after start_function is called. */ |
| 3859 | unsigned int block_depth; |
| 3860 | /* The name of the current function. */ |
| 3861 | const char *fnname; |
| 3862 | /* List of buffers for the type of the function we are currently |
| 3863 | writing out. */ |
| 3864 | struct ieee_buflist fntype; |
| 3865 | /* List of buffers for the parameters of the function we are |
| 3866 | currently writing out. */ |
| 3867 | struct ieee_buflist fnargs; |
| 3868 | /* Number of arguments written to fnargs. */ |
| 3869 | unsigned int fnargcount; |
| 3870 | /* Pending function parameters. */ |
| 3871 | struct ieee_pending_parm *pending_parms; |
| 3872 | /* Current line number filename. */ |
| 3873 | const char *lineno_filename; |
| 3874 | /* Line number name index. */ |
| 3875 | unsigned int lineno_name_indx; |
| 3876 | /* Filename of pending line number. */ |
| 3877 | const char *pending_lineno_filename; |
| 3878 | /* Pending line number. */ |
| 3879 | unsigned long pending_lineno; |
| 3880 | /* Address of pending line number. */ |
| 3881 | bfd_vma pending_lineno_addr; |
| 3882 | /* Highest address seen at end of procedure. */ |
| 3883 | bfd_vma highaddr; |
| 3884 | }; |
| 3885 | |
| 3886 | static bfd_boolean ieee_init_buffer |
| 3887 | (struct ieee_handle *, struct ieee_buflist *); |
| 3888 | static bfd_boolean ieee_change_buffer |
| 3889 | (struct ieee_handle *, struct ieee_buflist *); |
| 3890 | static bfd_boolean ieee_append_buffer |
| 3891 | (struct ieee_handle *, struct ieee_buflist *, struct ieee_buflist *); |
| 3892 | static bfd_boolean ieee_real_write_byte (struct ieee_handle *, int); |
| 3893 | static bfd_boolean ieee_write_2bytes (struct ieee_handle *, int); |
| 3894 | static bfd_boolean ieee_write_number (struct ieee_handle *, bfd_vma); |
| 3895 | static bfd_boolean ieee_write_id (struct ieee_handle *, const char *); |
| 3896 | static bfd_boolean ieee_write_asn |
| 3897 | (struct ieee_handle *, unsigned int, bfd_vma); |
| 3898 | static bfd_boolean ieee_write_atn65 |
| 3899 | (struct ieee_handle *, unsigned int, const char *); |
| 3900 | static bfd_boolean ieee_push_type |
| 3901 | (struct ieee_handle *, unsigned int, unsigned int, bfd_boolean, |
| 3902 | bfd_boolean); |
| 3903 | static unsigned int ieee_pop_type (struct ieee_handle *); |
| 3904 | static void ieee_pop_unused_type (struct ieee_handle *); |
| 3905 | static unsigned int ieee_pop_type_used (struct ieee_handle *, bfd_boolean); |
| 3906 | static bfd_boolean ieee_add_range |
| 3907 | (struct ieee_handle *, bfd_boolean, bfd_vma, bfd_vma); |
| 3908 | static bfd_boolean ieee_start_range (struct ieee_handle *, bfd_vma); |
| 3909 | static bfd_boolean ieee_end_range (struct ieee_handle *, bfd_vma); |
| 3910 | static bfd_boolean ieee_define_type |
| 3911 | (struct ieee_handle *, unsigned int, bfd_boolean, bfd_boolean); |
| 3912 | static bfd_boolean ieee_define_named_type |
| 3913 | (struct ieee_handle *, const char *, unsigned int, unsigned int, |
| 3914 | bfd_boolean, bfd_boolean, struct ieee_buflist *); |
| 3915 | static struct ieee_modified_type *ieee_get_modified_info |
| 3916 | (struct ieee_handle *, unsigned int); |
| 3917 | static struct bfd_hash_entry *ieee_name_type_newfunc |
| 3918 | (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); |
| 3919 | static bfd_boolean ieee_write_undefined_tag |
| 3920 | (struct ieee_name_type_hash_entry *, void *); |
| 3921 | static bfd_boolean ieee_finish_compilation_unit (struct ieee_handle *); |
| 3922 | static void ieee_add_bb11_blocks (bfd *, asection *, void *); |
| 3923 | static bfd_boolean ieee_add_bb11 |
| 3924 | (struct ieee_handle *, asection *, bfd_vma, bfd_vma); |
| 3925 | static bfd_boolean ieee_output_pending_parms (struct ieee_handle *); |
| 3926 | static unsigned int ieee_vis_to_flags (enum debug_visibility); |
| 3927 | static bfd_boolean ieee_class_method_var |
| 3928 | (struct ieee_handle *, const char *, enum debug_visibility, bfd_boolean, |
| 3929 | bfd_boolean, bfd_boolean, bfd_vma, bfd_boolean); |
| 3930 | |
| 3931 | static bfd_boolean ieee_start_compilation_unit (void *, const char *); |
| 3932 | static bfd_boolean ieee_start_source (void *, const char *); |
| 3933 | static bfd_boolean ieee_empty_type (void *); |
| 3934 | static bfd_boolean ieee_void_type (void *); |
| 3935 | static bfd_boolean ieee_int_type (void *, unsigned int, bfd_boolean); |
| 3936 | static bfd_boolean ieee_float_type (void *, unsigned int); |
| 3937 | static bfd_boolean ieee_complex_type (void *, unsigned int); |
| 3938 | static bfd_boolean ieee_bool_type (void *, unsigned int); |
| 3939 | static bfd_boolean ieee_enum_type |
| 3940 | (void *, const char *, const char **, bfd_signed_vma *); |
| 3941 | static bfd_boolean ieee_pointer_type (void *); |
| 3942 | static bfd_boolean ieee_function_type (void *, int, bfd_boolean); |
| 3943 | static bfd_boolean ieee_reference_type (void *); |
| 3944 | static bfd_boolean ieee_range_type (void *, bfd_signed_vma, bfd_signed_vma); |
| 3945 | static bfd_boolean ieee_array_type |
| 3946 | (void *, bfd_signed_vma, bfd_signed_vma, bfd_boolean); |
| 3947 | static bfd_boolean ieee_set_type (void *, bfd_boolean); |
| 3948 | static bfd_boolean ieee_offset_type (void *); |
| 3949 | static bfd_boolean ieee_method_type (void *, bfd_boolean, int, bfd_boolean); |
| 3950 | static bfd_boolean ieee_const_type (void *); |
| 3951 | static bfd_boolean ieee_volatile_type (void *); |
| 3952 | static bfd_boolean ieee_start_struct_type |
| 3953 | (void *, const char *, unsigned int, bfd_boolean, unsigned int); |
| 3954 | static bfd_boolean ieee_struct_field |
| 3955 | (void *, const char *, bfd_vma, bfd_vma, enum debug_visibility); |
| 3956 | static bfd_boolean ieee_end_struct_type (void *); |
| 3957 | static bfd_boolean ieee_start_class_type |
| 3958 | (void *, const char *, unsigned int, bfd_boolean, unsigned int, bfd_boolean, |
| 3959 | bfd_boolean); |
| 3960 | static bfd_boolean ieee_class_static_member |
| 3961 | (void *, const char *, const char *, enum debug_visibility); |
| 3962 | static bfd_boolean ieee_class_baseclass |
| 3963 | (void *, bfd_vma, bfd_boolean, enum debug_visibility); |
| 3964 | static bfd_boolean ieee_class_start_method (void *, const char *); |
| 3965 | static bfd_boolean ieee_class_method_variant |
| 3966 | (void *, const char *, enum debug_visibility, bfd_boolean, bfd_boolean, |
| 3967 | bfd_vma, bfd_boolean); |
| 3968 | static bfd_boolean ieee_class_static_method_variant |
| 3969 | (void *, const char *, enum debug_visibility, bfd_boolean, bfd_boolean); |
| 3970 | static bfd_boolean ieee_class_end_method (void *); |
| 3971 | static bfd_boolean ieee_end_class_type (void *); |
| 3972 | static bfd_boolean ieee_typedef_type (void *, const char *); |
| 3973 | static bfd_boolean ieee_tag_type |
| 3974 | (void *, const char *, unsigned int, enum debug_type_kind); |
| 3975 | static bfd_boolean ieee_typdef (void *, const char *); |
| 3976 | static bfd_boolean ieee_tag (void *, const char *); |
| 3977 | static bfd_boolean ieee_int_constant (void *, const char *, bfd_vma); |
| 3978 | static bfd_boolean ieee_float_constant (void *, const char *, double); |
| 3979 | static bfd_boolean ieee_typed_constant (void *, const char *, bfd_vma); |
| 3980 | static bfd_boolean ieee_variable |
| 3981 | (void *, const char *, enum debug_var_kind, bfd_vma); |
| 3982 | static bfd_boolean ieee_start_function (void *, const char *, bfd_boolean); |
| 3983 | static bfd_boolean ieee_function_parameter |
| 3984 | (void *, const char *, enum debug_parm_kind, bfd_vma); |
| 3985 | static bfd_boolean ieee_start_block (void *, bfd_vma); |
| 3986 | static bfd_boolean ieee_end_block (void *, bfd_vma); |
| 3987 | static bfd_boolean ieee_end_function (void *); |
| 3988 | static bfd_boolean ieee_lineno (void *, const char *, unsigned long, bfd_vma); |
| 3989 | |
| 3990 | static const struct debug_write_fns ieee_fns = |
| 3991 | { |
| 3992 | ieee_start_compilation_unit, |
| 3993 | ieee_start_source, |
| 3994 | ieee_empty_type, |
| 3995 | ieee_void_type, |
| 3996 | ieee_int_type, |
| 3997 | ieee_float_type, |
| 3998 | ieee_complex_type, |
| 3999 | ieee_bool_type, |
| 4000 | ieee_enum_type, |
| 4001 | ieee_pointer_type, |
| 4002 | ieee_function_type, |
| 4003 | ieee_reference_type, |
| 4004 | ieee_range_type, |
| 4005 | ieee_array_type, |
| 4006 | ieee_set_type, |
| 4007 | ieee_offset_type, |
| 4008 | ieee_method_type, |
| 4009 | ieee_const_type, |
| 4010 | ieee_volatile_type, |
| 4011 | ieee_start_struct_type, |
| 4012 | ieee_struct_field, |
| 4013 | ieee_end_struct_type, |
| 4014 | ieee_start_class_type, |
| 4015 | ieee_class_static_member, |
| 4016 | ieee_class_baseclass, |
| 4017 | ieee_class_start_method, |
| 4018 | ieee_class_method_variant, |
| 4019 | ieee_class_static_method_variant, |
| 4020 | ieee_class_end_method, |
| 4021 | ieee_end_class_type, |
| 4022 | ieee_typedef_type, |
| 4023 | ieee_tag_type, |
| 4024 | ieee_typdef, |
| 4025 | ieee_tag, |
| 4026 | ieee_int_constant, |
| 4027 | ieee_float_constant, |
| 4028 | ieee_typed_constant, |
| 4029 | ieee_variable, |
| 4030 | ieee_start_function, |
| 4031 | ieee_function_parameter, |
| 4032 | ieee_start_block, |
| 4033 | ieee_end_block, |
| 4034 | ieee_end_function, |
| 4035 | ieee_lineno |
| 4036 | }; |
| 4037 | |
| 4038 | /* Initialize a buffer to be empty. */ |
| 4039 | |
| 4040 | static bfd_boolean |
| 4041 | ieee_init_buffer (struct ieee_handle *info ATTRIBUTE_UNUSED, |
| 4042 | struct ieee_buflist *buflist) |
| 4043 | { |
| 4044 | buflist->head = NULL; |
| 4045 | buflist->tail = NULL; |
| 4046 | return TRUE; |
| 4047 | } |
| 4048 | |
| 4049 | /* See whether a buffer list has any data. */ |
| 4050 | |
| 4051 | #define ieee_buffer_emptyp(buflist) ((buflist)->head == NULL) |
| 4052 | |
| 4053 | /* Change the current buffer to a specified buffer chain. */ |
| 4054 | |
| 4055 | static bfd_boolean |
| 4056 | ieee_change_buffer (struct ieee_handle *info, struct ieee_buflist *buflist) |
| 4057 | { |
| 4058 | if (buflist->head == NULL) |
| 4059 | { |
| 4060 | struct ieee_buf *buf; |
| 4061 | |
| 4062 | buf = (struct ieee_buf *) xmalloc (sizeof *buf); |
| 4063 | buf->next = NULL; |
| 4064 | buf->c = 0; |
| 4065 | buflist->head = buf; |
| 4066 | buflist->tail = buf; |
| 4067 | } |
| 4068 | |
| 4069 | info->current = buflist; |
| 4070 | info->curbuf = buflist->tail; |
| 4071 | |
| 4072 | return TRUE; |
| 4073 | } |
| 4074 | |
| 4075 | /* Append a buffer chain. */ |
| 4076 | |
| 4077 | static bfd_boolean |
| 4078 | ieee_append_buffer (struct ieee_handle *info ATTRIBUTE_UNUSED, |
| 4079 | struct ieee_buflist *mainbuf, |
| 4080 | struct ieee_buflist *newbuf) |
| 4081 | { |
| 4082 | if (newbuf->head != NULL) |
| 4083 | { |
| 4084 | if (mainbuf->head == NULL) |
| 4085 | mainbuf->head = newbuf->head; |
| 4086 | else |
| 4087 | mainbuf->tail->next = newbuf->head; |
| 4088 | mainbuf->tail = newbuf->tail; |
| 4089 | } |
| 4090 | return TRUE; |
| 4091 | } |
| 4092 | |
| 4093 | /* Write a byte into the buffer. We use a macro for speed and a |
| 4094 | function for the complex cases. */ |
| 4095 | |
| 4096 | #define ieee_write_byte(info, b) \ |
| 4097 | ((info)->curbuf->c < IEEE_BUFSIZE \ |
| 4098 | ? ((info)->curbuf->buf[(info)->curbuf->c++] = (b), TRUE) \ |
| 4099 | : ieee_real_write_byte ((info), (b))) |
| 4100 | |
| 4101 | static bfd_boolean |
| 4102 | ieee_real_write_byte (struct ieee_handle *info, int b) |
| 4103 | { |
| 4104 | if (info->curbuf->c >= IEEE_BUFSIZE) |
| 4105 | { |
| 4106 | struct ieee_buf *n; |
| 4107 | |
| 4108 | n = (struct ieee_buf *) xmalloc (sizeof *n); |
| 4109 | n->next = NULL; |
| 4110 | n->c = 0; |
| 4111 | if (info->current->head == NULL) |
| 4112 | info->current->head = n; |
| 4113 | else |
| 4114 | info->current->tail->next = n; |
| 4115 | info->current->tail = n; |
| 4116 | info->curbuf = n; |
| 4117 | } |
| 4118 | |
| 4119 | info->curbuf->buf[info->curbuf->c] = b; |
| 4120 | ++info->curbuf->c; |
| 4121 | |
| 4122 | return TRUE; |
| 4123 | } |
| 4124 | |
| 4125 | /* Write out two bytes. */ |
| 4126 | |
| 4127 | static bfd_boolean |
| 4128 | ieee_write_2bytes (struct ieee_handle *info, int i) |
| 4129 | { |
| 4130 | return (ieee_write_byte (info, i >> 8) |
| 4131 | && ieee_write_byte (info, i & 0xff)); |
| 4132 | } |
| 4133 | |
| 4134 | /* Write out an integer. */ |
| 4135 | |
| 4136 | static bfd_boolean |
| 4137 | ieee_write_number (struct ieee_handle *info, bfd_vma v) |
| 4138 | { |
| 4139 | bfd_vma t; |
| 4140 | bfd_byte ab[20]; |
| 4141 | bfd_byte *p; |
| 4142 | unsigned int c; |
| 4143 | |
| 4144 | if (v <= (bfd_vma) ieee_number_end_enum) |
| 4145 | return ieee_write_byte (info, (int) v); |
| 4146 | |
| 4147 | t = v; |
| 4148 | p = ab + sizeof ab; |
| 4149 | while (t != 0) |
| 4150 | { |
| 4151 | *--p = t & 0xff; |
| 4152 | t >>= 8; |
| 4153 | } |
| 4154 | c = (ab + 20) - p; |
| 4155 | |
| 4156 | if (c > (unsigned int) (ieee_number_repeat_end_enum |
| 4157 | - ieee_number_repeat_start_enum)) |
| 4158 | { |
| 4159 | fprintf (stderr, _("IEEE numeric overflow: 0x")); |
| 4160 | fprintf_vma (stderr, v); |
| 4161 | fprintf (stderr, "\n"); |
| 4162 | return FALSE; |
| 4163 | } |
| 4164 | |
| 4165 | if (! ieee_write_byte (info, (int) ieee_number_repeat_start_enum + c)) |
| 4166 | return FALSE; |
| 4167 | for (; c > 0; --c, ++p) |
| 4168 | { |
| 4169 | if (! ieee_write_byte (info, *p)) |
| 4170 | return FALSE; |
| 4171 | } |
| 4172 | |
| 4173 | return TRUE; |
| 4174 | } |
| 4175 | |
| 4176 | /* Write out a string. */ |
| 4177 | |
| 4178 | static bfd_boolean |
| 4179 | ieee_write_id (struct ieee_handle *info, const char *s) |
| 4180 | { |
| 4181 | unsigned int len; |
| 4182 | |
| 4183 | len = strlen (s); |
| 4184 | if (len <= 0x7f) |
| 4185 | { |
| 4186 | if (! ieee_write_byte (info, len)) |
| 4187 | return FALSE; |
| 4188 | } |
| 4189 | else if (len <= 0xff) |
| 4190 | { |
| 4191 | if (! ieee_write_byte (info, (int) ieee_extension_length_1_enum) |
| 4192 | || ! ieee_write_byte (info, len)) |
| 4193 | return FALSE; |
| 4194 | } |
| 4195 | else if (len <= 0xffff) |
| 4196 | { |
| 4197 | if (! ieee_write_byte (info, (int) ieee_extension_length_2_enum) |
| 4198 | || ! ieee_write_2bytes (info, len)) |
| 4199 | return FALSE; |
| 4200 | } |
| 4201 | else |
| 4202 | { |
| 4203 | fprintf (stderr, _("IEEE string length overflow: %u\n"), len); |
| 4204 | return FALSE; |
| 4205 | } |
| 4206 | |
| 4207 | for (; *s != '\0'; s++) |
| 4208 | if (! ieee_write_byte (info, *s)) |
| 4209 | return FALSE; |
| 4210 | |
| 4211 | return TRUE; |
| 4212 | } |
| 4213 | |
| 4214 | /* Write out an ASN record. */ |
| 4215 | |
| 4216 | static bfd_boolean |
| 4217 | ieee_write_asn (struct ieee_handle *info, unsigned int indx, bfd_vma val) |
| 4218 | { |
| 4219 | return (ieee_write_2bytes (info, (int) ieee_asn_record_enum) |
| 4220 | && ieee_write_number (info, indx) |
| 4221 | && ieee_write_number (info, val)); |
| 4222 | } |
| 4223 | |
| 4224 | /* Write out an ATN65 record. */ |
| 4225 | |
| 4226 | static bfd_boolean |
| 4227 | ieee_write_atn65 (struct ieee_handle *info, unsigned int indx, const char *s) |
| 4228 | { |
| 4229 | return (ieee_write_2bytes (info, (int) ieee_atn_record_enum) |
| 4230 | && ieee_write_number (info, indx) |
| 4231 | && ieee_write_number (info, 0) |
| 4232 | && ieee_write_number (info, 65) |
| 4233 | && ieee_write_id (info, s)); |
| 4234 | } |
| 4235 | |
| 4236 | /* Push a type index onto the type stack. */ |
| 4237 | |
| 4238 | static bfd_boolean |
| 4239 | ieee_push_type (struct ieee_handle *info, unsigned int indx, |
| 4240 | unsigned int size, bfd_boolean unsignedp, bfd_boolean localp) |
| 4241 | { |
| 4242 | struct ieee_type_stack *ts; |
| 4243 | |
| 4244 | ts = (struct ieee_type_stack *) xmalloc (sizeof *ts); |
| 4245 | memset (ts, 0, sizeof *ts); |
| 4246 | |
| 4247 | ts->type.indx = indx; |
| 4248 | ts->type.size = size; |
| 4249 | ts->type.unsignedp = unsignedp; |
| 4250 | ts->type.localp = localp; |
| 4251 | |
| 4252 | ts->next = info->type_stack; |
| 4253 | info->type_stack = ts; |
| 4254 | |
| 4255 | return TRUE; |
| 4256 | } |
| 4257 | |
| 4258 | /* Pop a type index off the type stack. */ |
| 4259 | |
| 4260 | static unsigned int |
| 4261 | ieee_pop_type (struct ieee_handle *info) |
| 4262 | { |
| 4263 | return ieee_pop_type_used (info, TRUE); |
| 4264 | } |
| 4265 | |
| 4266 | /* Pop an unused type index off the type stack. */ |
| 4267 | |
| 4268 | static void |
| 4269 | ieee_pop_unused_type (struct ieee_handle *info) |
| 4270 | { |
| 4271 | (void) ieee_pop_type_used (info, FALSE); |
| 4272 | } |
| 4273 | |
| 4274 | /* Pop a used or unused type index off the type stack. */ |
| 4275 | |
| 4276 | static unsigned int |
| 4277 | ieee_pop_type_used (struct ieee_handle *info, bfd_boolean used) |
| 4278 | { |
| 4279 | struct ieee_type_stack *ts; |
| 4280 | unsigned int ret; |
| 4281 | |
| 4282 | ts = info->type_stack; |
| 4283 | assert (ts != NULL); |
| 4284 | |
| 4285 | /* If this is a function type, and we need it, we need to append the |
| 4286 | actual definition to the typedef block now. */ |
| 4287 | if (used && ! ieee_buffer_emptyp (&ts->type.fndef)) |
| 4288 | { |
| 4289 | struct ieee_buflist *buflist; |
| 4290 | |
| 4291 | if (ts->type.localp) |
| 4292 | { |
| 4293 | /* Make sure we have started the types block. */ |
| 4294 | if (ieee_buffer_emptyp (&info->types)) |
| 4295 | { |
| 4296 | if (! ieee_change_buffer (info, &info->types) |
| 4297 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 4298 | || ! ieee_write_byte (info, 1) |
| 4299 | || ! ieee_write_number (info, 0) |
| 4300 | || ! ieee_write_id (info, info->modname)) |
| 4301 | return FALSE; |
| 4302 | } |
| 4303 | buflist = &info->types; |
| 4304 | } |
| 4305 | else |
| 4306 | { |
| 4307 | /* Make sure we started the global type block. */ |
| 4308 | if (ieee_buffer_emptyp (&info->global_types)) |
| 4309 | { |
| 4310 | if (! ieee_change_buffer (info, &info->global_types) |
| 4311 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 4312 | || ! ieee_write_byte (info, 2) |
| 4313 | || ! ieee_write_number (info, 0) |
| 4314 | || ! ieee_write_id (info, "")) |
| 4315 | return FALSE; |
| 4316 | } |
| 4317 | buflist = &info->global_types; |
| 4318 | } |
| 4319 | |
| 4320 | if (! ieee_append_buffer (info, buflist, &ts->type.fndef)) |
| 4321 | return FALSE; |
| 4322 | } |
| 4323 | |
| 4324 | ret = ts->type.indx; |
| 4325 | info->type_stack = ts->next; |
| 4326 | free (ts); |
| 4327 | return ret; |
| 4328 | } |
| 4329 | |
| 4330 | /* Add a range of bytes included in the current compilation unit. */ |
| 4331 | |
| 4332 | static bfd_boolean |
| 4333 | ieee_add_range (struct ieee_handle *info, bfd_boolean global, bfd_vma low, |
| 4334 | bfd_vma high) |
| 4335 | { |
| 4336 | struct ieee_range **plist, *r, **pr; |
| 4337 | |
| 4338 | if (low == (bfd_vma) -1 || high == (bfd_vma) -1 || low == high) |
| 4339 | return TRUE; |
| 4340 | |
| 4341 | if (global) |
| 4342 | plist = &info->global_ranges; |
| 4343 | else |
| 4344 | plist = &info->ranges; |
| 4345 | |
| 4346 | for (r = *plist; r != NULL; r = r->next) |
| 4347 | { |
| 4348 | if (high >= r->low && low <= r->high) |
| 4349 | { |
| 4350 | /* The new range overlaps r. */ |
| 4351 | if (low < r->low) |
| 4352 | r->low = low; |
| 4353 | if (high > r->high) |
| 4354 | r->high = high; |
| 4355 | pr = &r->next; |
| 4356 | while (*pr != NULL && (*pr)->low <= r->high) |
| 4357 | { |
| 4358 | struct ieee_range *n; |
| 4359 | |
| 4360 | if ((*pr)->high > r->high) |
| 4361 | r->high = (*pr)->high; |
| 4362 | n = (*pr)->next; |
| 4363 | free (*pr); |
| 4364 | *pr = n; |
| 4365 | } |
| 4366 | return TRUE; |
| 4367 | } |
| 4368 | } |
| 4369 | |
| 4370 | r = (struct ieee_range *) xmalloc (sizeof *r); |
| 4371 | memset (r, 0, sizeof *r); |
| 4372 | |
| 4373 | r->low = low; |
| 4374 | r->high = high; |
| 4375 | |
| 4376 | /* Store the ranges sorted by address. */ |
| 4377 | for (pr = plist; *pr != NULL; pr = &(*pr)->next) |
| 4378 | if ((*pr)->low > high) |
| 4379 | break; |
| 4380 | r->next = *pr; |
| 4381 | *pr = r; |
| 4382 | |
| 4383 | return TRUE; |
| 4384 | } |
| 4385 | |
| 4386 | /* Start a new range for which we only have the low address. */ |
| 4387 | |
| 4388 | static bfd_boolean |
| 4389 | ieee_start_range (struct ieee_handle *info, bfd_vma low) |
| 4390 | { |
| 4391 | struct ieee_range *r; |
| 4392 | |
| 4393 | r = (struct ieee_range *) xmalloc (sizeof *r); |
| 4394 | memset (r, 0, sizeof *r); |
| 4395 | r->low = low; |
| 4396 | r->next = info->pending_ranges; |
| 4397 | info->pending_ranges = r; |
| 4398 | return TRUE; |
| 4399 | } |
| 4400 | |
| 4401 | /* Finish a range started by ieee_start_range. */ |
| 4402 | |
| 4403 | static bfd_boolean |
| 4404 | ieee_end_range (struct ieee_handle *info, bfd_vma high) |
| 4405 | { |
| 4406 | struct ieee_range *r; |
| 4407 | bfd_vma low; |
| 4408 | |
| 4409 | assert (info->pending_ranges != NULL); |
| 4410 | r = info->pending_ranges; |
| 4411 | low = r->low; |
| 4412 | info->pending_ranges = r->next; |
| 4413 | free (r); |
| 4414 | return ieee_add_range (info, FALSE, low, high); |
| 4415 | } |
| 4416 | |
| 4417 | /* Start defining a type. */ |
| 4418 | |
| 4419 | static bfd_boolean |
| 4420 | ieee_define_type (struct ieee_handle *info, unsigned int size, |
| 4421 | bfd_boolean unsignedp, bfd_boolean localp) |
| 4422 | { |
| 4423 | return ieee_define_named_type (info, (const char *) NULL, |
| 4424 | (unsigned int) -1, size, unsignedp, |
| 4425 | localp, (struct ieee_buflist *) NULL); |
| 4426 | } |
| 4427 | |
| 4428 | /* Start defining a named type. */ |
| 4429 | |
| 4430 | static bfd_boolean |
| 4431 | ieee_define_named_type (struct ieee_handle *info, const char *name, |
| 4432 | unsigned int indx, unsigned int size, |
| 4433 | bfd_boolean unsignedp, bfd_boolean localp, |
| 4434 | struct ieee_buflist *buflist) |
| 4435 | { |
| 4436 | unsigned int type_indx; |
| 4437 | unsigned int name_indx; |
| 4438 | |
| 4439 | if (indx != (unsigned int) -1) |
| 4440 | type_indx = indx; |
| 4441 | else |
| 4442 | { |
| 4443 | type_indx = info->type_indx; |
| 4444 | ++info->type_indx; |
| 4445 | } |
| 4446 | |
| 4447 | name_indx = info->name_indx; |
| 4448 | ++info->name_indx; |
| 4449 | |
| 4450 | if (name == NULL) |
| 4451 | name = ""; |
| 4452 | |
| 4453 | /* If we were given a buffer, use it; otherwise, use either the |
| 4454 | local or the global type information, and make sure that the type |
| 4455 | block is started. */ |
| 4456 | if (buflist != NULL) |
| 4457 | { |
| 4458 | if (! ieee_change_buffer (info, buflist)) |
| 4459 | return FALSE; |
| 4460 | } |
| 4461 | else if (localp) |
| 4462 | { |
| 4463 | if (! ieee_buffer_emptyp (&info->types)) |
| 4464 | { |
| 4465 | if (! ieee_change_buffer (info, &info->types)) |
| 4466 | return FALSE; |
| 4467 | } |
| 4468 | else |
| 4469 | { |
| 4470 | if (! ieee_change_buffer (info, &info->types) |
| 4471 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 4472 | || ! ieee_write_byte (info, 1) |
| 4473 | || ! ieee_write_number (info, 0) |
| 4474 | || ! ieee_write_id (info, info->modname)) |
| 4475 | return FALSE; |
| 4476 | } |
| 4477 | } |
| 4478 | else |
| 4479 | { |
| 4480 | if (! ieee_buffer_emptyp (&info->global_types)) |
| 4481 | { |
| 4482 | if (! ieee_change_buffer (info, &info->global_types)) |
| 4483 | return FALSE; |
| 4484 | } |
| 4485 | else |
| 4486 | { |
| 4487 | if (! ieee_change_buffer (info, &info->global_types) |
| 4488 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 4489 | || ! ieee_write_byte (info, 2) |
| 4490 | || ! ieee_write_number (info, 0) |
| 4491 | || ! ieee_write_id (info, "")) |
| 4492 | return FALSE; |
| 4493 | } |
| 4494 | } |
| 4495 | |
| 4496 | /* Push the new type on the type stack, write out an NN record, and |
| 4497 | write out the start of a TY record. The caller will then finish |
| 4498 | the TY record. */ |
| 4499 | if (! ieee_push_type (info, type_indx, size, unsignedp, localp)) |
| 4500 | return FALSE; |
| 4501 | |
| 4502 | return (ieee_write_byte (info, (int) ieee_nn_record) |
| 4503 | && ieee_write_number (info, name_indx) |
| 4504 | && ieee_write_id (info, name) |
| 4505 | && ieee_write_byte (info, (int) ieee_ty_record_enum) |
| 4506 | && ieee_write_number (info, type_indx) |
| 4507 | && ieee_write_byte (info, 0xce) |
| 4508 | && ieee_write_number (info, name_indx)); |
| 4509 | } |
| 4510 | |
| 4511 | /* Get an entry to the list of modified versions of a type. */ |
| 4512 | |
| 4513 | static struct ieee_modified_type * |
| 4514 | ieee_get_modified_info (struct ieee_handle *info, unsigned int indx) |
| 4515 | { |
| 4516 | if (indx >= info->modified_alloc) |
| 4517 | { |
| 4518 | unsigned int nalloc; |
| 4519 | |
| 4520 | nalloc = info->modified_alloc; |
| 4521 | if (nalloc == 0) |
| 4522 | nalloc = 16; |
| 4523 | while (indx >= nalloc) |
| 4524 | nalloc *= 2; |
| 4525 | info->modified = ((struct ieee_modified_type *) |
| 4526 | xrealloc (info->modified, |
| 4527 | nalloc * sizeof *info->modified)); |
| 4528 | memset (info->modified + info->modified_alloc, 0, |
| 4529 | (nalloc - info->modified_alloc) * sizeof *info->modified); |
| 4530 | info->modified_alloc = nalloc; |
| 4531 | } |
| 4532 | |
| 4533 | return info->modified + indx; |
| 4534 | } |
| 4535 | \f |
| 4536 | /* Routines for the hash table mapping names to types. */ |
| 4537 | |
| 4538 | /* Initialize an entry in the hash table. */ |
| 4539 | |
| 4540 | static struct bfd_hash_entry * |
| 4541 | ieee_name_type_newfunc (struct bfd_hash_entry *entry, |
| 4542 | struct bfd_hash_table *table, const char *string) |
| 4543 | { |
| 4544 | struct ieee_name_type_hash_entry *ret = |
| 4545 | (struct ieee_name_type_hash_entry *) entry; |
| 4546 | |
| 4547 | /* Allocate the structure if it has not already been allocated by a |
| 4548 | subclass. */ |
| 4549 | if (ret == NULL) |
| 4550 | ret = ((struct ieee_name_type_hash_entry *) |
| 4551 | bfd_hash_allocate (table, sizeof *ret)); |
| 4552 | if (ret == NULL) |
| 4553 | return NULL; |
| 4554 | |
| 4555 | /* Call the allocation method of the superclass. */ |
| 4556 | ret = ((struct ieee_name_type_hash_entry *) |
| 4557 | bfd_hash_newfunc ((struct bfd_hash_entry *) ret, table, string)); |
| 4558 | if (ret) |
| 4559 | { |
| 4560 | /* Set local fields. */ |
| 4561 | ret->types = NULL; |
| 4562 | } |
| 4563 | |
| 4564 | return (struct bfd_hash_entry *) ret; |
| 4565 | } |
| 4566 | |
| 4567 | /* Look up an entry in the hash table. */ |
| 4568 | |
| 4569 | #define ieee_name_type_hash_lookup(table, string, create, copy) \ |
| 4570 | ((struct ieee_name_type_hash_entry *) \ |
| 4571 | bfd_hash_lookup (&(table)->root, (string), (create), (copy))) |
| 4572 | |
| 4573 | /* Traverse the hash table. */ |
| 4574 | |
| 4575 | #define ieee_name_type_hash_traverse(table, func, info) \ |
| 4576 | (bfd_hash_traverse \ |
| 4577 | (&(table)->root, \ |
| 4578 | (bfd_boolean (*) (struct bfd_hash_entry *, void *)) (func), \ |
| 4579 | (info))) |
| 4580 | \f |
| 4581 | /* The general routine to write out IEEE debugging information. */ |
| 4582 | |
| 4583 | bfd_boolean |
| 4584 | write_ieee_debugging_info (bfd *abfd, void *dhandle) |
| 4585 | { |
| 4586 | struct ieee_handle info; |
| 4587 | asection *s; |
| 4588 | const char *err; |
| 4589 | struct ieee_buf *b; |
| 4590 | |
| 4591 | memset (&info, 0, sizeof info); |
| 4592 | info.abfd = abfd; |
| 4593 | info.type_indx = 256; |
| 4594 | info.name_indx = 32; |
| 4595 | |
| 4596 | if (! bfd_hash_table_init (&info.typedefs.root, ieee_name_type_newfunc) |
| 4597 | || ! bfd_hash_table_init (&info.tags.root, ieee_name_type_newfunc)) |
| 4598 | return FALSE; |
| 4599 | |
| 4600 | if (! ieee_init_buffer (&info, &info.global_types) |
| 4601 | || ! ieee_init_buffer (&info, &info.data) |
| 4602 | || ! ieee_init_buffer (&info, &info.types) |
| 4603 | || ! ieee_init_buffer (&info, &info.vars) |
| 4604 | || ! ieee_init_buffer (&info, &info.cxx) |
| 4605 | || ! ieee_init_buffer (&info, &info.linenos) |
| 4606 | || ! ieee_init_buffer (&info, &info.fntype) |
| 4607 | || ! ieee_init_buffer (&info, &info.fnargs)) |
| 4608 | return FALSE; |
| 4609 | |
| 4610 | if (! debug_write (dhandle, &ieee_fns, (void *) &info)) |
| 4611 | return FALSE; |
| 4612 | |
| 4613 | if (info.filename != NULL) |
| 4614 | { |
| 4615 | if (! ieee_finish_compilation_unit (&info)) |
| 4616 | return FALSE; |
| 4617 | } |
| 4618 | |
| 4619 | /* Put any undefined tags in the global typedef information. */ |
| 4620 | info.error = FALSE; |
| 4621 | ieee_name_type_hash_traverse (&info.tags, |
| 4622 | ieee_write_undefined_tag, |
| 4623 | (void *) &info); |
| 4624 | if (info.error) |
| 4625 | return FALSE; |
| 4626 | |
| 4627 | /* Prepend the global typedef information to the other data. */ |
| 4628 | if (! ieee_buffer_emptyp (&info.global_types)) |
| 4629 | { |
| 4630 | /* The HP debugger seems to have a bug in which it ignores the |
| 4631 | last entry in the global types, so we add a dummy entry. */ |
| 4632 | if (! ieee_change_buffer (&info, &info.global_types) |
| 4633 | || ! ieee_write_byte (&info, (int) ieee_nn_record) |
| 4634 | || ! ieee_write_number (&info, info.name_indx) |
| 4635 | || ! ieee_write_id (&info, "") |
| 4636 | || ! ieee_write_byte (&info, (int) ieee_ty_record_enum) |
| 4637 | || ! ieee_write_number (&info, info.type_indx) |
| 4638 | || ! ieee_write_byte (&info, 0xce) |
| 4639 | || ! ieee_write_number (&info, info.name_indx) |
| 4640 | || ! ieee_write_number (&info, 'P') |
| 4641 | || ! ieee_write_number (&info, (int) builtin_void + 32) |
| 4642 | || ! ieee_write_byte (&info, (int) ieee_be_record_enum)) |
| 4643 | return FALSE; |
| 4644 | |
| 4645 | if (! ieee_append_buffer (&info, &info.global_types, &info.data)) |
| 4646 | return FALSE; |
| 4647 | info.data = info.global_types; |
| 4648 | } |
| 4649 | |
| 4650 | /* Make sure that we have declare BB11 blocks for each range in the |
| 4651 | file. They are added to info->vars. */ |
| 4652 | info.error = FALSE; |
| 4653 | if (! ieee_init_buffer (&info, &info.vars)) |
| 4654 | return FALSE; |
| 4655 | bfd_map_over_sections (abfd, ieee_add_bb11_blocks, (void *) &info); |
| 4656 | if (info.error) |
| 4657 | return FALSE; |
| 4658 | if (! ieee_buffer_emptyp (&info.vars)) |
| 4659 | { |
| 4660 | if (! ieee_change_buffer (&info, &info.vars) |
| 4661 | || ! ieee_write_byte (&info, (int) ieee_be_record_enum)) |
| 4662 | return FALSE; |
| 4663 | |
| 4664 | if (! ieee_append_buffer (&info, &info.data, &info.vars)) |
| 4665 | return FALSE; |
| 4666 | } |
| 4667 | |
| 4668 | /* Now all the data is in info.data. Write it out to the BFD. We |
| 4669 | normally would need to worry about whether all the other sections |
| 4670 | are set up yet, but the IEEE backend will handle this particular |
| 4671 | case correctly regardless. */ |
| 4672 | if (ieee_buffer_emptyp (&info.data)) |
| 4673 | { |
| 4674 | /* There is no debugging information. */ |
| 4675 | return TRUE; |
| 4676 | } |
| 4677 | err = NULL; |
| 4678 | s = bfd_make_section (abfd, ".debug"); |
| 4679 | if (s == NULL) |
| 4680 | err = "bfd_make_section"; |
| 4681 | if (err == NULL) |
| 4682 | { |
| 4683 | if (! bfd_set_section_flags (abfd, s, SEC_DEBUGGING | SEC_HAS_CONTENTS)) |
| 4684 | err = "bfd_set_section_flags"; |
| 4685 | } |
| 4686 | if (err == NULL) |
| 4687 | { |
| 4688 | bfd_size_type size; |
| 4689 | |
| 4690 | size = 0; |
| 4691 | for (b = info.data.head; b != NULL; b = b->next) |
| 4692 | size += b->c; |
| 4693 | if (! bfd_set_section_size (abfd, s, size)) |
| 4694 | err = "bfd_set_section_size"; |
| 4695 | } |
| 4696 | if (err == NULL) |
| 4697 | { |
| 4698 | file_ptr offset; |
| 4699 | |
| 4700 | offset = 0; |
| 4701 | for (b = info.data.head; b != NULL; b = b->next) |
| 4702 | { |
| 4703 | if (! bfd_set_section_contents (abfd, s, b->buf, offset, b->c)) |
| 4704 | { |
| 4705 | err = "bfd_set_section_contents"; |
| 4706 | break; |
| 4707 | } |
| 4708 | offset += b->c; |
| 4709 | } |
| 4710 | } |
| 4711 | |
| 4712 | if (err != NULL) |
| 4713 | { |
| 4714 | fprintf (stderr, "%s: %s: %s\n", bfd_get_filename (abfd), err, |
| 4715 | bfd_errmsg (bfd_get_error ())); |
| 4716 | return FALSE; |
| 4717 | } |
| 4718 | |
| 4719 | bfd_hash_table_free (&info.typedefs.root); |
| 4720 | bfd_hash_table_free (&info.tags.root); |
| 4721 | |
| 4722 | return TRUE; |
| 4723 | } |
| 4724 | |
| 4725 | /* Write out information for an undefined tag. This is called via |
| 4726 | ieee_name_type_hash_traverse. */ |
| 4727 | |
| 4728 | static bfd_boolean |
| 4729 | ieee_write_undefined_tag (struct ieee_name_type_hash_entry *h, void *p) |
| 4730 | { |
| 4731 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 4732 | struct ieee_name_type *nt; |
| 4733 | |
| 4734 | for (nt = h->types; nt != NULL; nt = nt->next) |
| 4735 | { |
| 4736 | unsigned int name_indx; |
| 4737 | char code; |
| 4738 | |
| 4739 | if (nt->kind == DEBUG_KIND_ILLEGAL) |
| 4740 | continue; |
| 4741 | |
| 4742 | if (ieee_buffer_emptyp (&info->global_types)) |
| 4743 | { |
| 4744 | if (! ieee_change_buffer (info, &info->global_types) |
| 4745 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 4746 | || ! ieee_write_byte (info, 2) |
| 4747 | || ! ieee_write_number (info, 0) |
| 4748 | || ! ieee_write_id (info, "")) |
| 4749 | { |
| 4750 | info->error = TRUE; |
| 4751 | return FALSE; |
| 4752 | } |
| 4753 | } |
| 4754 | else |
| 4755 | { |
| 4756 | if (! ieee_change_buffer (info, &info->global_types)) |
| 4757 | { |
| 4758 | info->error = TRUE; |
| 4759 | return FALSE; |
| 4760 | } |
| 4761 | } |
| 4762 | |
| 4763 | name_indx = info->name_indx; |
| 4764 | ++info->name_indx; |
| 4765 | if (! ieee_write_byte (info, (int) ieee_nn_record) |
| 4766 | || ! ieee_write_number (info, name_indx) |
| 4767 | || ! ieee_write_id (info, nt->type.name) |
| 4768 | || ! ieee_write_byte (info, (int) ieee_ty_record_enum) |
| 4769 | || ! ieee_write_number (info, nt->type.indx) |
| 4770 | || ! ieee_write_byte (info, 0xce) |
| 4771 | || ! ieee_write_number (info, name_indx)) |
| 4772 | { |
| 4773 | info->error = TRUE; |
| 4774 | return FALSE; |
| 4775 | } |
| 4776 | |
| 4777 | switch (nt->kind) |
| 4778 | { |
| 4779 | default: |
| 4780 | abort (); |
| 4781 | info->error = TRUE; |
| 4782 | return FALSE; |
| 4783 | case DEBUG_KIND_STRUCT: |
| 4784 | case DEBUG_KIND_CLASS: |
| 4785 | code = 'S'; |
| 4786 | break; |
| 4787 | case DEBUG_KIND_UNION: |
| 4788 | case DEBUG_KIND_UNION_CLASS: |
| 4789 | code = 'U'; |
| 4790 | break; |
| 4791 | case DEBUG_KIND_ENUM: |
| 4792 | code = 'E'; |
| 4793 | break; |
| 4794 | } |
| 4795 | if (! ieee_write_number (info, code) |
| 4796 | || ! ieee_write_number (info, 0)) |
| 4797 | { |
| 4798 | info->error = TRUE; |
| 4799 | return FALSE; |
| 4800 | } |
| 4801 | } |
| 4802 | |
| 4803 | return TRUE; |
| 4804 | } |
| 4805 | |
| 4806 | /* Start writing out information for a compilation unit. */ |
| 4807 | |
| 4808 | static bfd_boolean |
| 4809 | ieee_start_compilation_unit (void *p, const char *filename) |
| 4810 | { |
| 4811 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 4812 | const char *modname; |
| 4813 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
| 4814 | const char *backslash; |
| 4815 | #endif |
| 4816 | char *c, *s; |
| 4817 | unsigned int nindx; |
| 4818 | |
| 4819 | if (info->filename != NULL) |
| 4820 | { |
| 4821 | if (! ieee_finish_compilation_unit (info)) |
| 4822 | return FALSE; |
| 4823 | } |
| 4824 | |
| 4825 | info->filename = filename; |
| 4826 | modname = strrchr (filename, '/'); |
| 4827 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
| 4828 | /* We could have a mixed forward/back slash case. */ |
| 4829 | backslash = strrchr (filename, '\\'); |
| 4830 | if (modname == NULL || (backslash != NULL && backslash > modname)) |
| 4831 | modname = backslash; |
| 4832 | #endif |
| 4833 | |
| 4834 | if (modname != NULL) |
| 4835 | ++modname; |
| 4836 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
| 4837 | else if (filename[0] && filename[1] == ':') |
| 4838 | modname = filename + 2; |
| 4839 | #endif |
| 4840 | else |
| 4841 | modname = filename; |
| 4842 | |
| 4843 | c = xstrdup (modname); |
| 4844 | s = strrchr (c, '.'); |
| 4845 | if (s != NULL) |
| 4846 | *s = '\0'; |
| 4847 | info->modname = c; |
| 4848 | |
| 4849 | if (! ieee_init_buffer (info, &info->types) |
| 4850 | || ! ieee_init_buffer (info, &info->vars) |
| 4851 | || ! ieee_init_buffer (info, &info->cxx) |
| 4852 | || ! ieee_init_buffer (info, &info->linenos)) |
| 4853 | return FALSE; |
| 4854 | info->ranges = NULL; |
| 4855 | |
| 4856 | /* Always include a BB1 and a BB3 block. That is what the output of |
| 4857 | the MRI linker seems to look like. */ |
| 4858 | if (! ieee_change_buffer (info, &info->types) |
| 4859 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 4860 | || ! ieee_write_byte (info, 1) |
| 4861 | || ! ieee_write_number (info, 0) |
| 4862 | || ! ieee_write_id (info, info->modname)) |
| 4863 | return FALSE; |
| 4864 | |
| 4865 | nindx = info->name_indx; |
| 4866 | ++info->name_indx; |
| 4867 | if (! ieee_change_buffer (info, &info->vars) |
| 4868 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 4869 | || ! ieee_write_byte (info, 3) |
| 4870 | || ! ieee_write_number (info, 0) |
| 4871 | || ! ieee_write_id (info, info->modname)) |
| 4872 | return FALSE; |
| 4873 | |
| 4874 | return TRUE; |
| 4875 | } |
| 4876 | |
| 4877 | /* Finish up a compilation unit. */ |
| 4878 | |
| 4879 | static bfd_boolean |
| 4880 | ieee_finish_compilation_unit (struct ieee_handle *info) |
| 4881 | { |
| 4882 | struct ieee_range *r; |
| 4883 | |
| 4884 | if (! ieee_buffer_emptyp (&info->types)) |
| 4885 | { |
| 4886 | if (! ieee_change_buffer (info, &info->types) |
| 4887 | || ! ieee_write_byte (info, (int) ieee_be_record_enum)) |
| 4888 | return FALSE; |
| 4889 | } |
| 4890 | |
| 4891 | if (! ieee_buffer_emptyp (&info->cxx)) |
| 4892 | { |
| 4893 | /* Append any C++ information to the global function and |
| 4894 | variable information. */ |
| 4895 | assert (! ieee_buffer_emptyp (&info->vars)); |
| 4896 | if (! ieee_change_buffer (info, &info->vars)) |
| 4897 | return FALSE; |
| 4898 | |
| 4899 | /* We put the pmisc records in a dummy procedure, just as the |
| 4900 | MRI compiler does. */ |
| 4901 | if (! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 4902 | || ! ieee_write_byte (info, 6) |
| 4903 | || ! ieee_write_number (info, 0) |
| 4904 | || ! ieee_write_id (info, "__XRYCPP") |
| 4905 | || ! ieee_write_number (info, 0) |
| 4906 | || ! ieee_write_number (info, 0) |
| 4907 | || ! ieee_write_number (info, info->highaddr - 1) |
| 4908 | || ! ieee_append_buffer (info, &info->vars, &info->cxx) |
| 4909 | || ! ieee_change_buffer (info, &info->vars) |
| 4910 | || ! ieee_write_byte (info, (int) ieee_be_record_enum) |
| 4911 | || ! ieee_write_number (info, info->highaddr - 1)) |
| 4912 | return FALSE; |
| 4913 | } |
| 4914 | |
| 4915 | if (! ieee_buffer_emptyp (&info->vars)) |
| 4916 | { |
| 4917 | if (! ieee_change_buffer (info, &info->vars) |
| 4918 | || ! ieee_write_byte (info, (int) ieee_be_record_enum)) |
| 4919 | return FALSE; |
| 4920 | } |
| 4921 | |
| 4922 | if (info->pending_lineno_filename != NULL) |
| 4923 | { |
| 4924 | /* Force out the pending line number. */ |
| 4925 | if (! ieee_lineno ((void *) info, (const char *) NULL, 0, (bfd_vma) -1)) |
| 4926 | return FALSE; |
| 4927 | } |
| 4928 | if (! ieee_buffer_emptyp (&info->linenos)) |
| 4929 | { |
| 4930 | if (! ieee_change_buffer (info, &info->linenos) |
| 4931 | || ! ieee_write_byte (info, (int) ieee_be_record_enum)) |
| 4932 | return FALSE; |
| 4933 | if (strcmp (info->filename, info->lineno_filename) != 0) |
| 4934 | { |
| 4935 | /* We were not in the main file. We just closed the |
| 4936 | included line number block, and now we must close the |
| 4937 | main line number block. */ |
| 4938 | if (! ieee_write_byte (info, (int) ieee_be_record_enum)) |
| 4939 | return FALSE; |
| 4940 | } |
| 4941 | } |
| 4942 | |
| 4943 | if (! ieee_append_buffer (info, &info->data, &info->types) |
| 4944 | || ! ieee_append_buffer (info, &info->data, &info->vars) |
| 4945 | || ! ieee_append_buffer (info, &info->data, &info->linenos)) |
| 4946 | return FALSE; |
| 4947 | |
| 4948 | /* Build BB10/BB11 blocks based on the ranges we recorded. */ |
| 4949 | if (! ieee_change_buffer (info, &info->data)) |
| 4950 | return FALSE; |
| 4951 | |
| 4952 | if (! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 4953 | || ! ieee_write_byte (info, 10) |
| 4954 | || ! ieee_write_number (info, 0) |
| 4955 | || ! ieee_write_id (info, info->modname) |
| 4956 | || ! ieee_write_id (info, "") |
| 4957 | || ! ieee_write_number (info, 0) |
| 4958 | || ! ieee_write_id (info, "GNU objcopy")) |
| 4959 | return FALSE; |
| 4960 | |
| 4961 | for (r = info->ranges; r != NULL; r = r->next) |
| 4962 | { |
| 4963 | bfd_vma low, high; |
| 4964 | asection *s; |
| 4965 | int kind; |
| 4966 | |
| 4967 | low = r->low; |
| 4968 | high = r->high; |
| 4969 | |
| 4970 | /* Find the section corresponding to this range. */ |
| 4971 | for (s = info->abfd->sections; s != NULL; s = s->next) |
| 4972 | { |
| 4973 | if (bfd_get_section_vma (info->abfd, s) <= low |
| 4974 | && high <= (bfd_get_section_vma (info->abfd, s) |
| 4975 | + bfd_section_size (info->abfd, s))) |
| 4976 | break; |
| 4977 | } |
| 4978 | |
| 4979 | if (s == NULL) |
| 4980 | { |
| 4981 | /* Just ignore this range. */ |
| 4982 | continue; |
| 4983 | } |
| 4984 | |
| 4985 | /* Coalesce ranges if it seems reasonable. */ |
| 4986 | while (r->next != NULL |
| 4987 | && high + 0x1000 >= r->next->low |
| 4988 | && (r->next->high |
| 4989 | <= (bfd_get_section_vma (info->abfd, s) |
| 4990 | + bfd_section_size (info->abfd, s)))) |
| 4991 | { |
| 4992 | r = r->next; |
| 4993 | high = r->high; |
| 4994 | } |
| 4995 | |
| 4996 | if ((s->flags & SEC_CODE) != 0) |
| 4997 | kind = 1; |
| 4998 | else if ((s->flags & SEC_READONLY) != 0) |
| 4999 | kind = 3; |
| 5000 | else |
| 5001 | kind = 2; |
| 5002 | |
| 5003 | if (! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 5004 | || ! ieee_write_byte (info, 11) |
| 5005 | || ! ieee_write_number (info, 0) |
| 5006 | || ! ieee_write_id (info, "") |
| 5007 | || ! ieee_write_number (info, kind) |
| 5008 | || ! ieee_write_number (info, s->index + IEEE_SECTION_NUMBER_BASE) |
| 5009 | || ! ieee_write_number (info, low) |
| 5010 | || ! ieee_write_byte (info, (int) ieee_be_record_enum) |
| 5011 | || ! ieee_write_number (info, high - low)) |
| 5012 | return FALSE; |
| 5013 | |
| 5014 | /* Add this range to the list of global ranges. */ |
| 5015 | if (! ieee_add_range (info, TRUE, low, high)) |
| 5016 | return FALSE; |
| 5017 | } |
| 5018 | |
| 5019 | if (! ieee_write_byte (info, (int) ieee_be_record_enum)) |
| 5020 | return FALSE; |
| 5021 | |
| 5022 | return TRUE; |
| 5023 | } |
| 5024 | |
| 5025 | /* Add BB11 blocks describing each range that we have not already |
| 5026 | described. */ |
| 5027 | |
| 5028 | static void |
| 5029 | ieee_add_bb11_blocks (bfd *abfd ATTRIBUTE_UNUSED, asection *sec, void *data) |
| 5030 | { |
| 5031 | struct ieee_handle *info = (struct ieee_handle *) data; |
| 5032 | bfd_vma low, high; |
| 5033 | struct ieee_range *r; |
| 5034 | |
| 5035 | low = bfd_get_section_vma (abfd, sec); |
| 5036 | high = low + bfd_section_size (abfd, sec); |
| 5037 | |
| 5038 | /* Find the first range at or after this section. The ranges are |
| 5039 | sorted by address. */ |
| 5040 | for (r = info->global_ranges; r != NULL; r = r->next) |
| 5041 | if (r->high > low) |
| 5042 | break; |
| 5043 | |
| 5044 | while (low < high) |
| 5045 | { |
| 5046 | if (r == NULL || r->low >= high) |
| 5047 | { |
| 5048 | if (! ieee_add_bb11 (info, sec, low, high)) |
| 5049 | info->error = TRUE; |
| 5050 | return; |
| 5051 | } |
| 5052 | |
| 5053 | if (low < r->low |
| 5054 | && r->low - low > 0x100) |
| 5055 | { |
| 5056 | if (! ieee_add_bb11 (info, sec, low, r->low)) |
| 5057 | { |
| 5058 | info->error = TRUE; |
| 5059 | return; |
| 5060 | } |
| 5061 | } |
| 5062 | low = r->high; |
| 5063 | |
| 5064 | r = r->next; |
| 5065 | } |
| 5066 | } |
| 5067 | |
| 5068 | /* Add a single BB11 block for a range. We add it to info->vars. */ |
| 5069 | |
| 5070 | static bfd_boolean |
| 5071 | ieee_add_bb11 (struct ieee_handle *info, asection *sec, bfd_vma low, |
| 5072 | bfd_vma high) |
| 5073 | { |
| 5074 | int kind; |
| 5075 | |
| 5076 | if (! ieee_buffer_emptyp (&info->vars)) |
| 5077 | { |
| 5078 | if (! ieee_change_buffer (info, &info->vars)) |
| 5079 | return FALSE; |
| 5080 | } |
| 5081 | else |
| 5082 | { |
| 5083 | const char *filename, *modname; |
| 5084 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
| 5085 | const char *backslash; |
| 5086 | #endif |
| 5087 | char *c, *s; |
| 5088 | |
| 5089 | /* Start the enclosing BB10 block. */ |
| 5090 | filename = bfd_get_filename (info->abfd); |
| 5091 | modname = strrchr (filename, '/'); |
| 5092 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
| 5093 | backslash = strrchr (filename, '\\'); |
| 5094 | if (modname == NULL || (backslash != NULL && backslash > modname)) |
| 5095 | modname = backslash; |
| 5096 | #endif |
| 5097 | |
| 5098 | if (modname != NULL) |
| 5099 | ++modname; |
| 5100 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
| 5101 | else if (filename[0] && filename[1] == ':') |
| 5102 | modname = filename + 2; |
| 5103 | #endif |
| 5104 | else |
| 5105 | modname = filename; |
| 5106 | |
| 5107 | c = xstrdup (modname); |
| 5108 | s = strrchr (c, '.'); |
| 5109 | if (s != NULL) |
| 5110 | *s = '\0'; |
| 5111 | |
| 5112 | if (! ieee_change_buffer (info, &info->vars) |
| 5113 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 5114 | || ! ieee_write_byte (info, 10) |
| 5115 | || ! ieee_write_number (info, 0) |
| 5116 | || ! ieee_write_id (info, c) |
| 5117 | || ! ieee_write_id (info, "") |
| 5118 | || ! ieee_write_number (info, 0) |
| 5119 | || ! ieee_write_id (info, "GNU objcopy")) |
| 5120 | return FALSE; |
| 5121 | |
| 5122 | free (c); |
| 5123 | } |
| 5124 | |
| 5125 | if ((sec->flags & SEC_CODE) != 0) |
| 5126 | kind = 1; |
| 5127 | else if ((sec->flags & SEC_READONLY) != 0) |
| 5128 | kind = 3; |
| 5129 | else |
| 5130 | kind = 2; |
| 5131 | |
| 5132 | if (! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 5133 | || ! ieee_write_byte (info, 11) |
| 5134 | || ! ieee_write_number (info, 0) |
| 5135 | || ! ieee_write_id (info, "") |
| 5136 | || ! ieee_write_number (info, kind) |
| 5137 | || ! ieee_write_number (info, sec->index + IEEE_SECTION_NUMBER_BASE) |
| 5138 | || ! ieee_write_number (info, low) |
| 5139 | || ! ieee_write_byte (info, (int) ieee_be_record_enum) |
| 5140 | || ! ieee_write_number (info, high - low)) |
| 5141 | return FALSE; |
| 5142 | |
| 5143 | return TRUE; |
| 5144 | } |
| 5145 | |
| 5146 | /* Start recording information from a particular source file. This is |
| 5147 | used to record which file defined which types, variables, etc. It |
| 5148 | is not used for line numbers, since the lineno entry point passes |
| 5149 | down the file name anyhow. IEEE debugging information doesn't seem |
| 5150 | to store this information anywhere. */ |
| 5151 | |
| 5152 | static bfd_boolean |
| 5153 | ieee_start_source (void *p ATTRIBUTE_UNUSED, |
| 5154 | const char *filename ATTRIBUTE_UNUSED) |
| 5155 | { |
| 5156 | return TRUE; |
| 5157 | } |
| 5158 | |
| 5159 | /* Make an empty type. */ |
| 5160 | |
| 5161 | static bfd_boolean |
| 5162 | ieee_empty_type (void *p) |
| 5163 | { |
| 5164 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 5165 | |
| 5166 | return ieee_push_type (info, (int) builtin_unknown, 0, FALSE, FALSE); |
| 5167 | } |
| 5168 | |
| 5169 | /* Make a void type. */ |
| 5170 | |
| 5171 | static bfd_boolean |
| 5172 | ieee_void_type (void *p) |
| 5173 | { |
| 5174 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 5175 | |
| 5176 | return ieee_push_type (info, (int) builtin_void, 0, FALSE, FALSE); |
| 5177 | } |
| 5178 | |
| 5179 | /* Make an integer type. */ |
| 5180 | |
| 5181 | static bfd_boolean |
| 5182 | ieee_int_type (void *p, unsigned int size, bfd_boolean unsignedp) |
| 5183 | { |
| 5184 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 5185 | unsigned int indx; |
| 5186 | |
| 5187 | switch (size) |
| 5188 | { |
| 5189 | case 1: |
| 5190 | indx = (int) builtin_signed_char; |
| 5191 | break; |
| 5192 | case 2: |
| 5193 | indx = (int) builtin_signed_short_int; |
| 5194 | break; |
| 5195 | case 4: |
| 5196 | indx = (int) builtin_signed_long; |
| 5197 | break; |
| 5198 | case 8: |
| 5199 | indx = (int) builtin_signed_long_long; |
| 5200 | break; |
| 5201 | default: |
| 5202 | fprintf (stderr, _("IEEE unsupported integer type size %u\n"), size); |
| 5203 | return FALSE; |
| 5204 | } |
| 5205 | |
| 5206 | if (unsignedp) |
| 5207 | ++indx; |
| 5208 | |
| 5209 | return ieee_push_type (info, indx, size, unsignedp, FALSE); |
| 5210 | } |
| 5211 | |
| 5212 | /* Make a floating point type. */ |
| 5213 | |
| 5214 | static bfd_boolean |
| 5215 | ieee_float_type (void *p, unsigned int size) |
| 5216 | { |
| 5217 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 5218 | unsigned int indx; |
| 5219 | |
| 5220 | switch (size) |
| 5221 | { |
| 5222 | case 4: |
| 5223 | indx = (int) builtin_float; |
| 5224 | break; |
| 5225 | case 8: |
| 5226 | indx = (int) builtin_double; |
| 5227 | break; |
| 5228 | case 12: |
| 5229 | /* FIXME: This size really depends upon the processor. */ |
| 5230 | indx = (int) builtin_long_double; |
| 5231 | break; |
| 5232 | case 16: |
| 5233 | indx = (int) builtin_long_long_double; |
| 5234 | break; |
| 5235 | default: |
| 5236 | fprintf (stderr, _("IEEE unsupported float type size %u\n"), size); |
| 5237 | return FALSE; |
| 5238 | } |
| 5239 | |
| 5240 | return ieee_push_type (info, indx, size, FALSE, FALSE); |
| 5241 | } |
| 5242 | |
| 5243 | /* Make a complex type. */ |
| 5244 | |
| 5245 | static bfd_boolean |
| 5246 | ieee_complex_type (void *p, unsigned int size) |
| 5247 | { |
| 5248 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 5249 | char code; |
| 5250 | |
| 5251 | switch (size) |
| 5252 | { |
| 5253 | case 4: |
| 5254 | if (info->complex_float_index != 0) |
| 5255 | return ieee_push_type (info, info->complex_float_index, size * 2, |
| 5256 | FALSE, FALSE); |
| 5257 | code = 'c'; |
| 5258 | break; |
| 5259 | case 12: |
| 5260 | case 16: |
| 5261 | /* These cases can be output by gcc -gstabs. Outputting the |
| 5262 | wrong type is better than crashing. */ |
| 5263 | case 8: |
| 5264 | if (info->complex_double_index != 0) |
| 5265 | return ieee_push_type (info, info->complex_double_index, size * 2, |
| 5266 | FALSE, FALSE); |
| 5267 | code = 'd'; |
| 5268 | break; |
| 5269 | default: |
| 5270 | fprintf (stderr, _("IEEE unsupported complex type size %u\n"), size); |
| 5271 | return FALSE; |
| 5272 | } |
| 5273 | |
| 5274 | /* FIXME: I don't know what the string is for. */ |
| 5275 | if (! ieee_define_type (info, size * 2, FALSE, FALSE) |
| 5276 | || ! ieee_write_number (info, code) |
| 5277 | || ! ieee_write_id (info, "")) |
| 5278 | return FALSE; |
| 5279 | |
| 5280 | if (size == 4) |
| 5281 | info->complex_float_index = info->type_stack->type.indx; |
| 5282 | else |
| 5283 | info->complex_double_index = info->type_stack->type.indx; |
| 5284 | |
| 5285 | return TRUE; |
| 5286 | } |
| 5287 | |
| 5288 | /* Make a boolean type. IEEE doesn't support these, so we just make |
| 5289 | an integer type instead. */ |
| 5290 | |
| 5291 | static bfd_boolean |
| 5292 | ieee_bool_type (void *p, unsigned int size) |
| 5293 | { |
| 5294 | return ieee_int_type (p, size, TRUE); |
| 5295 | } |
| 5296 | |
| 5297 | /* Make an enumeration. */ |
| 5298 | |
| 5299 | static bfd_boolean |
| 5300 | ieee_enum_type (void *p, const char *tag, const char **names, |
| 5301 | bfd_signed_vma *vals) |
| 5302 | { |
| 5303 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 5304 | struct ieee_defined_enum *e; |
| 5305 | bfd_boolean localp, simple; |
| 5306 | unsigned int indx; |
| 5307 | int i = 0; |
| 5308 | |
| 5309 | localp = FALSE; |
| 5310 | indx = (unsigned int) -1; |
| 5311 | for (e = info->enums; e != NULL; e = e->next) |
| 5312 | { |
| 5313 | if (tag == NULL) |
| 5314 | { |
| 5315 | if (e->tag != NULL) |
| 5316 | continue; |
| 5317 | } |
| 5318 | else |
| 5319 | { |
| 5320 | if (e->tag == NULL |
| 5321 | || tag[0] != e->tag[0] |
| 5322 | || strcmp (tag, e->tag) != 0) |
| 5323 | continue; |
| 5324 | } |
| 5325 | |
| 5326 | if (! e->defined) |
| 5327 | { |
| 5328 | /* This enum tag has been seen but not defined. */ |
| 5329 | indx = e->indx; |
| 5330 | break; |
| 5331 | } |
| 5332 | |
| 5333 | if (names != NULL && e->names != NULL) |
| 5334 | { |
| 5335 | for (i = 0; names[i] != NULL && e->names[i] != NULL; i++) |
| 5336 | { |
| 5337 | if (names[i][0] != e->names[i][0] |
| 5338 | || vals[i] != e->vals[i] |
| 5339 | || strcmp (names[i], e->names[i]) != 0) |
| 5340 | break; |
| 5341 | } |
| 5342 | } |
| 5343 | |
| 5344 | if ((names == NULL && e->names == NULL) |
| 5345 | || (names != NULL |
| 5346 | && e->names != NULL |
| 5347 | && names[i] == NULL |
| 5348 | && e->names[i] == NULL)) |
| 5349 | { |
| 5350 | /* We've seen this enum before. */ |
| 5351 | return ieee_push_type (info, e->indx, 0, TRUE, FALSE); |
| 5352 | } |
| 5353 | |
| 5354 | if (tag != NULL) |
| 5355 | { |
| 5356 | /* We've already seen an enum of the same name, so we must make |
| 5357 | sure to output this one locally. */ |
| 5358 | localp = TRUE; |
| 5359 | break; |
| 5360 | } |
| 5361 | } |
| 5362 | |
| 5363 | /* If this is a simple enumeration, in which the values start at 0 |
| 5364 | and always increment by 1, we can use type E. Otherwise we must |
| 5365 | use type N. */ |
| 5366 | |
| 5367 | simple = TRUE; |
| 5368 | if (names != NULL) |
| 5369 | { |
| 5370 | for (i = 0; names[i] != NULL; i++) |
| 5371 | { |
| 5372 | if (vals[i] != i) |
| 5373 | { |
| 5374 | simple = FALSE; |
| 5375 | break; |
| 5376 | } |
| 5377 | } |
| 5378 | } |
| 5379 | |
| 5380 | if (! ieee_define_named_type (info, tag, indx, 0, TRUE, localp, |
| 5381 | (struct ieee_buflist *) NULL) |
| 5382 | || ! ieee_write_number (info, simple ? 'E' : 'N')) |
| 5383 | return FALSE; |
| 5384 | if (simple) |
| 5385 | { |
| 5386 | /* FIXME: This is supposed to be the enumeration size, but we |
| 5387 | don't store that. */ |
| 5388 | if (! ieee_write_number (info, 4)) |
| 5389 | return FALSE; |
| 5390 | } |
| 5391 | if (names != NULL) |
| 5392 | { |
| 5393 | for (i = 0; names[i] != NULL; i++) |
| 5394 | { |
| 5395 | if (! ieee_write_id (info, names[i])) |
| 5396 | return FALSE; |
| 5397 | if (! simple) |
| 5398 | { |
| 5399 | if (! ieee_write_number (info, vals[i])) |
| 5400 | return FALSE; |
| 5401 | } |
| 5402 | } |
| 5403 | } |
| 5404 | |
| 5405 | if (! localp) |
| 5406 | { |
| 5407 | if (indx == (unsigned int) -1) |
| 5408 | { |
| 5409 | e = (struct ieee_defined_enum *) xmalloc (sizeof *e); |
| 5410 | memset (e, 0, sizeof *e); |
| 5411 | e->indx = info->type_stack->type.indx; |
| 5412 | e->tag = tag; |
| 5413 | |
| 5414 | e->next = info->enums; |
| 5415 | info->enums = e; |
| 5416 | } |
| 5417 | |
| 5418 | e->names = names; |
| 5419 | e->vals = vals; |
| 5420 | e->defined = TRUE; |
| 5421 | } |
| 5422 | |
| 5423 | return TRUE; |
| 5424 | } |
| 5425 | |
| 5426 | /* Make a pointer type. */ |
| 5427 | |
| 5428 | static bfd_boolean |
| 5429 | ieee_pointer_type (void *p) |
| 5430 | { |
| 5431 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 5432 | bfd_boolean localp; |
| 5433 | unsigned int indx; |
| 5434 | struct ieee_modified_type *m = NULL; |
| 5435 | |
| 5436 | localp = info->type_stack->type.localp; |
| 5437 | indx = ieee_pop_type (info); |
| 5438 | |
| 5439 | /* A pointer to a simple builtin type can be obtained by adding 32. |
| 5440 | FIXME: Will this be a short pointer, and will that matter? */ |
| 5441 | if (indx < 32) |
| 5442 | return ieee_push_type (info, indx + 32, 0, TRUE, FALSE); |
| 5443 | |
| 5444 | if (! localp) |
| 5445 | { |
| 5446 | m = ieee_get_modified_info (p, indx); |
| 5447 | if (m == NULL) |
| 5448 | return FALSE; |
| 5449 | |
| 5450 | /* FIXME: The size should depend upon the architecture. */ |
| 5451 | if (m->pointer > 0) |
| 5452 | return ieee_push_type (info, m->pointer, 4, TRUE, FALSE); |
| 5453 | } |
| 5454 | |
| 5455 | if (! ieee_define_type (info, 4, TRUE, localp) |
| 5456 | || ! ieee_write_number (info, 'P') |
| 5457 | || ! ieee_write_number (info, indx)) |
| 5458 | return FALSE; |
| 5459 | |
| 5460 | if (! localp) |
| 5461 | m->pointer = info->type_stack->type.indx; |
| 5462 | |
| 5463 | return TRUE; |
| 5464 | } |
| 5465 | |
| 5466 | /* Make a function type. This will be called for a method, but we |
| 5467 | don't want to actually add it to the type table in that case. We |
| 5468 | handle this by defining the type in a private buffer, and only |
| 5469 | adding that buffer to the typedef block if we are going to use it. */ |
| 5470 | |
| 5471 | static bfd_boolean |
| 5472 | ieee_function_type (void *p, int argcount, bfd_boolean varargs) |
| 5473 | { |
| 5474 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 5475 | bfd_boolean localp; |
| 5476 | unsigned int *args = NULL; |
| 5477 | int i; |
| 5478 | unsigned int retindx; |
| 5479 | struct ieee_buflist fndef; |
| 5480 | struct ieee_modified_type *m; |
| 5481 | |
| 5482 | localp = FALSE; |
| 5483 | |
| 5484 | if (argcount > 0) |
| 5485 | { |
| 5486 | args = (unsigned int *) xmalloc (argcount * sizeof *args); |
| 5487 | for (i = argcount - 1; i >= 0; i--) |
| 5488 | { |
| 5489 | if (info->type_stack->type.localp) |
| 5490 | localp = TRUE; |
| 5491 | args[i] = ieee_pop_type (info); |
| 5492 | } |
| 5493 | } |
| 5494 | else if (argcount < 0) |
| 5495 | varargs = FALSE; |
| 5496 | |
| 5497 | if (info->type_stack->type.localp) |
| 5498 | localp = TRUE; |
| 5499 | retindx = ieee_pop_type (info); |
| 5500 | |
| 5501 | m = NULL; |
| 5502 | if (argcount < 0 && ! localp) |
| 5503 | { |
| 5504 | m = ieee_get_modified_info (p, retindx); |
| 5505 | if (m == NULL) |
| 5506 | return FALSE; |
| 5507 | |
| 5508 | if (m->function > 0) |
| 5509 | return ieee_push_type (info, m->function, 0, TRUE, FALSE); |
| 5510 | } |
| 5511 | |
| 5512 | /* An attribute of 0x41 means that the frame and push mask are |
| 5513 | unknown. */ |
| 5514 | if (! ieee_init_buffer (info, &fndef) |
| 5515 | || ! ieee_define_named_type (info, (const char *) NULL, |
| 5516 | (unsigned int) -1, 0, TRUE, localp, |
| 5517 | &fndef) |
| 5518 | || ! ieee_write_number (info, 'x') |
| 5519 | || ! ieee_write_number (info, 0x41) |
| 5520 | || ! ieee_write_number (info, 0) |
| 5521 | || ! ieee_write_number (info, 0) |
| 5522 | || ! ieee_write_number (info, retindx) |
| 5523 | || ! ieee_write_number (info, (bfd_vma) argcount + (varargs ? 1 : 0))) |
| 5524 | return FALSE; |
| 5525 | if (argcount > 0) |
| 5526 | { |
| 5527 | for (i = 0; i < argcount; i++) |
| 5528 | if (! ieee_write_number (info, args[i])) |
| 5529 | return FALSE; |
| 5530 | free (args); |
| 5531 | } |
| 5532 | if (varargs) |
| 5533 | { |
| 5534 | /* A varargs function is represented by writing out the last |
| 5535 | argument as type void *, although this makes little sense. */ |
| 5536 | if (! ieee_write_number (info, (bfd_vma) builtin_void + 32)) |
| 5537 | return FALSE; |
| 5538 | } |
| 5539 | |
| 5540 | if (! ieee_write_number (info, 0)) |
| 5541 | return FALSE; |
| 5542 | |
| 5543 | /* We wrote the information into fndef, in case we don't need it. |
| 5544 | It will be appended to info->types by ieee_pop_type. */ |
| 5545 | info->type_stack->type.fndef = fndef; |
| 5546 | |
| 5547 | if (m != NULL) |
| 5548 | m->function = info->type_stack->type.indx; |
| 5549 | |
| 5550 | return TRUE; |
| 5551 | } |
| 5552 | |
| 5553 | /* Make a reference type. */ |
| 5554 | |
| 5555 | static bfd_boolean |
| 5556 | ieee_reference_type (void *p) |
| 5557 | { |
| 5558 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 5559 | |
| 5560 | /* IEEE appears to record a normal pointer type, and then use a |
| 5561 | pmisc record to indicate that it is really a reference. */ |
| 5562 | |
| 5563 | if (! ieee_pointer_type (p)) |
| 5564 | return FALSE; |
| 5565 | info->type_stack->type.referencep = TRUE; |
| 5566 | return TRUE; |
| 5567 | } |
| 5568 | |
| 5569 | /* Make a range type. */ |
| 5570 | |
| 5571 | static bfd_boolean |
| 5572 | ieee_range_type (void *p, bfd_signed_vma low, bfd_signed_vma high) |
| 5573 | { |
| 5574 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 5575 | unsigned int size; |
| 5576 | bfd_boolean unsignedp, localp; |
| 5577 | |
| 5578 | size = info->type_stack->type.size; |
| 5579 | unsignedp = info->type_stack->type.unsignedp; |
| 5580 | localp = info->type_stack->type.localp; |
| 5581 | ieee_pop_unused_type (info); |
| 5582 | return (ieee_define_type (info, size, unsignedp, localp) |
| 5583 | && ieee_write_number (info, 'R') |
| 5584 | && ieee_write_number (info, (bfd_vma) low) |
| 5585 | && ieee_write_number (info, (bfd_vma) high) |
| 5586 | && ieee_write_number (info, unsignedp ? 0 : 1) |
| 5587 | && ieee_write_number (info, size)); |
| 5588 | } |
| 5589 | |
| 5590 | /* Make an array type. */ |
| 5591 | |
| 5592 | static bfd_boolean |
| 5593 | ieee_array_type (void *p, bfd_signed_vma low, bfd_signed_vma high, |
| 5594 | bfd_boolean stringp ATTRIBUTE_UNUSED) |
| 5595 | { |
| 5596 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 5597 | unsigned int eleindx; |
| 5598 | bfd_boolean localp; |
| 5599 | unsigned int size; |
| 5600 | struct ieee_modified_type *m = NULL; |
| 5601 | struct ieee_modified_array_type *a; |
| 5602 | |
| 5603 | /* IEEE does not store the range, so we just ignore it. */ |
| 5604 | ieee_pop_unused_type (info); |
| 5605 | localp = info->type_stack->type.localp; |
| 5606 | size = info->type_stack->type.size; |
| 5607 | eleindx = ieee_pop_type (info); |
| 5608 | |
| 5609 | /* If we don't know the range, treat the size as exactly one |
| 5610 | element. */ |
| 5611 | if (low < high) |
| 5612 | size *= (high - low) + 1; |
| 5613 | |
| 5614 | if (! localp) |
| 5615 | { |
| 5616 | m = ieee_get_modified_info (info, eleindx); |
| 5617 | if (m == NULL) |
| 5618 | return FALSE; |
| 5619 | |
| 5620 | for (a = m->arrays; a != NULL; a = a->next) |
| 5621 | { |
| 5622 | if (a->low == low && a->high == high) |
| 5623 | return ieee_push_type (info, a->indx, size, FALSE, FALSE); |
| 5624 | } |
| 5625 | } |
| 5626 | |
| 5627 | if (! ieee_define_type (info, size, FALSE, localp) |
| 5628 | || ! ieee_write_number (info, low == 0 ? 'Z' : 'C') |
| 5629 | || ! ieee_write_number (info, eleindx)) |
| 5630 | return FALSE; |
| 5631 | if (low != 0) |
| 5632 | { |
| 5633 | if (! ieee_write_number (info, low)) |
| 5634 | return FALSE; |
| 5635 | } |
| 5636 | |
| 5637 | if (! ieee_write_number (info, high + 1)) |
| 5638 | return FALSE; |
| 5639 | |
| 5640 | if (! localp) |
| 5641 | { |
| 5642 | a = (struct ieee_modified_array_type *) xmalloc (sizeof *a); |
| 5643 | memset (a, 0, sizeof *a); |
| 5644 | |
| 5645 | a->indx = info->type_stack->type.indx; |
| 5646 | a->low = low; |
| 5647 | a->high = high; |
| 5648 | |
| 5649 | a->next = m->arrays; |
| 5650 | m->arrays = a; |
| 5651 | } |
| 5652 | |
| 5653 | return TRUE; |
| 5654 | } |
| 5655 | |
| 5656 | /* Make a set type. */ |
| 5657 | |
| 5658 | static bfd_boolean |
| 5659 | ieee_set_type (void *p, bfd_boolean bitstringp ATTRIBUTE_UNUSED) |
| 5660 | { |
| 5661 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 5662 | bfd_boolean localp; |
| 5663 | unsigned int eleindx; |
| 5664 | |
| 5665 | localp = info->type_stack->type.localp; |
| 5666 | eleindx = ieee_pop_type (info); |
| 5667 | |
| 5668 | /* FIXME: We don't know the size, so we just use 4. */ |
| 5669 | |
| 5670 | return (ieee_define_type (info, 0, TRUE, localp) |
| 5671 | && ieee_write_number (info, 's') |
| 5672 | && ieee_write_number (info, 4) |
| 5673 | && ieee_write_number (info, eleindx)); |
| 5674 | } |
| 5675 | |
| 5676 | /* Make an offset type. */ |
| 5677 | |
| 5678 | static bfd_boolean |
| 5679 | ieee_offset_type (void *p) |
| 5680 | { |
| 5681 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 5682 | unsigned int targetindx, baseindx; |
| 5683 | |
| 5684 | targetindx = ieee_pop_type (info); |
| 5685 | baseindx = ieee_pop_type (info); |
| 5686 | |
| 5687 | /* FIXME: The MRI C++ compiler does not appear to generate any |
| 5688 | useful type information about an offset type. It just records a |
| 5689 | pointer to member as an integer. The MRI/HP IEEE spec does |
| 5690 | describe a pmisc record which can be used for a pointer to |
| 5691 | member. Unfortunately, it does not describe the target type, |
| 5692 | which seems pretty important. I'm going to punt this for now. */ |
| 5693 | |
| 5694 | return ieee_int_type (p, 4, TRUE); |
| 5695 | } |
| 5696 | |
| 5697 | /* Make a method type. */ |
| 5698 | |
| 5699 | static bfd_boolean |
| 5700 | ieee_method_type (void *p, bfd_boolean domain, int argcount, |
| 5701 | bfd_boolean varargs) |
| 5702 | { |
| 5703 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 5704 | |
| 5705 | /* FIXME: The MRI/HP IEEE spec defines a pmisc record to use for a |
| 5706 | method, but the definition is incomplete. We just output an 'x' |
| 5707 | type. */ |
| 5708 | |
| 5709 | if (domain) |
| 5710 | ieee_pop_unused_type (info); |
| 5711 | |
| 5712 | return ieee_function_type (p, argcount, varargs); |
| 5713 | } |
| 5714 | |
| 5715 | /* Make a const qualified type. */ |
| 5716 | |
| 5717 | static bfd_boolean |
| 5718 | ieee_const_type (void *p) |
| 5719 | { |
| 5720 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 5721 | unsigned int size; |
| 5722 | bfd_boolean unsignedp, localp; |
| 5723 | unsigned int indx; |
| 5724 | struct ieee_modified_type *m = NULL; |
| 5725 | |
| 5726 | size = info->type_stack->type.size; |
| 5727 | unsignedp = info->type_stack->type.unsignedp; |
| 5728 | localp = info->type_stack->type.localp; |
| 5729 | indx = ieee_pop_type (info); |
| 5730 | |
| 5731 | if (! localp) |
| 5732 | { |
| 5733 | m = ieee_get_modified_info (info, indx); |
| 5734 | if (m == NULL) |
| 5735 | return FALSE; |
| 5736 | |
| 5737 | if (m->const_qualified > 0) |
| 5738 | return ieee_push_type (info, m->const_qualified, size, unsignedp, |
| 5739 | FALSE); |
| 5740 | } |
| 5741 | |
| 5742 | if (! ieee_define_type (info, size, unsignedp, localp) |
| 5743 | || ! ieee_write_number (info, 'n') |
| 5744 | || ! ieee_write_number (info, 1) |
| 5745 | || ! ieee_write_number (info, indx)) |
| 5746 | return FALSE; |
| 5747 | |
| 5748 | if (! localp) |
| 5749 | m->const_qualified = info->type_stack->type.indx; |
| 5750 | |
| 5751 | return TRUE; |
| 5752 | } |
| 5753 | |
| 5754 | /* Make a volatile qualified type. */ |
| 5755 | |
| 5756 | static bfd_boolean |
| 5757 | ieee_volatile_type (void *p) |
| 5758 | { |
| 5759 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 5760 | unsigned int size; |
| 5761 | bfd_boolean unsignedp, localp; |
| 5762 | unsigned int indx; |
| 5763 | struct ieee_modified_type *m = NULL; |
| 5764 | |
| 5765 | size = info->type_stack->type.size; |
| 5766 | unsignedp = info->type_stack->type.unsignedp; |
| 5767 | localp = info->type_stack->type.localp; |
| 5768 | indx = ieee_pop_type (info); |
| 5769 | |
| 5770 | if (! localp) |
| 5771 | { |
| 5772 | m = ieee_get_modified_info (info, indx); |
| 5773 | if (m == NULL) |
| 5774 | return FALSE; |
| 5775 | |
| 5776 | if (m->volatile_qualified > 0) |
| 5777 | return ieee_push_type (info, m->volatile_qualified, size, unsignedp, |
| 5778 | FALSE); |
| 5779 | } |
| 5780 | |
| 5781 | if (! ieee_define_type (info, size, unsignedp, localp) |
| 5782 | || ! ieee_write_number (info, 'n') |
| 5783 | || ! ieee_write_number (info, 2) |
| 5784 | || ! ieee_write_number (info, indx)) |
| 5785 | return FALSE; |
| 5786 | |
| 5787 | if (! localp) |
| 5788 | m->volatile_qualified = info->type_stack->type.indx; |
| 5789 | |
| 5790 | return TRUE; |
| 5791 | } |
| 5792 | |
| 5793 | /* Convert an enum debug_visibility into a CXXFLAGS value. */ |
| 5794 | |
| 5795 | static unsigned int |
| 5796 | ieee_vis_to_flags (enum debug_visibility visibility) |
| 5797 | { |
| 5798 | switch (visibility) |
| 5799 | { |
| 5800 | default: |
| 5801 | abort (); |
| 5802 | case DEBUG_VISIBILITY_PUBLIC: |
| 5803 | return CXXFLAGS_VISIBILITY_PUBLIC; |
| 5804 | case DEBUG_VISIBILITY_PRIVATE: |
| 5805 | return CXXFLAGS_VISIBILITY_PRIVATE; |
| 5806 | case DEBUG_VISIBILITY_PROTECTED: |
| 5807 | return CXXFLAGS_VISIBILITY_PROTECTED; |
| 5808 | } |
| 5809 | /*NOTREACHED*/ |
| 5810 | } |
| 5811 | |
| 5812 | /* Start defining a struct type. We build it in the strdef field on |
| 5813 | the stack, to avoid confusing type definitions required by the |
| 5814 | fields with the struct type itself. */ |
| 5815 | |
| 5816 | static bfd_boolean |
| 5817 | ieee_start_struct_type (void *p, const char *tag, unsigned int id, |
| 5818 | bfd_boolean structp, unsigned int size) |
| 5819 | { |
| 5820 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 5821 | bfd_boolean localp, ignorep; |
| 5822 | bfd_boolean copy; |
| 5823 | char ab[20]; |
| 5824 | const char *look; |
| 5825 | struct ieee_name_type_hash_entry *h; |
| 5826 | struct ieee_name_type *nt, *ntlook; |
| 5827 | struct ieee_buflist strdef; |
| 5828 | |
| 5829 | localp = FALSE; |
| 5830 | ignorep = FALSE; |
| 5831 | |
| 5832 | /* We need to create a tag for internal use even if we don't want |
| 5833 | one for external use. This will let us refer to an anonymous |
| 5834 | struct. */ |
| 5835 | if (tag != NULL) |
| 5836 | { |
| 5837 | look = tag; |
| 5838 | copy = FALSE; |
| 5839 | } |
| 5840 | else |
| 5841 | { |
| 5842 | sprintf (ab, "__anon%u", id); |
| 5843 | look = ab; |
| 5844 | copy = TRUE; |
| 5845 | } |
| 5846 | |
| 5847 | /* If we already have references to the tag, we must use the |
| 5848 | existing type index. */ |
| 5849 | h = ieee_name_type_hash_lookup (&info->tags, look, TRUE, copy); |
| 5850 | if (h == NULL) |
| 5851 | return FALSE; |
| 5852 | |
| 5853 | nt = NULL; |
| 5854 | for (ntlook = h->types; ntlook != NULL; ntlook = ntlook->next) |
| 5855 | { |
| 5856 | if (ntlook->id == id) |
| 5857 | nt = ntlook; |
| 5858 | else if (! ntlook->type.localp) |
| 5859 | { |
| 5860 | /* We are creating a duplicate definition of a globally |
| 5861 | defined tag. Force it to be local to avoid |
| 5862 | confusion. */ |
| 5863 | localp = TRUE; |
| 5864 | } |
| 5865 | } |
| 5866 | |
| 5867 | if (nt != NULL) |
| 5868 | { |
| 5869 | assert (localp == nt->type.localp); |
| 5870 | if (nt->kind == DEBUG_KIND_ILLEGAL && ! localp) |
| 5871 | { |
| 5872 | /* We've already seen a global definition of the type. |
| 5873 | Ignore this new definition. */ |
| 5874 | ignorep = TRUE; |
| 5875 | } |
| 5876 | } |
| 5877 | else |
| 5878 | { |
| 5879 | nt = (struct ieee_name_type *) xmalloc (sizeof *nt); |
| 5880 | memset (nt, 0, sizeof *nt); |
| 5881 | nt->id = id; |
| 5882 | nt->type.name = h->root.string; |
| 5883 | nt->next = h->types; |
| 5884 | h->types = nt; |
| 5885 | nt->type.indx = info->type_indx; |
| 5886 | ++info->type_indx; |
| 5887 | } |
| 5888 | |
| 5889 | nt->kind = DEBUG_KIND_ILLEGAL; |
| 5890 | |
| 5891 | if (! ieee_init_buffer (info, &strdef) |
| 5892 | || ! ieee_define_named_type (info, tag, nt->type.indx, size, TRUE, |
| 5893 | localp, &strdef) |
| 5894 | || ! ieee_write_number (info, structp ? 'S' : 'U') |
| 5895 | || ! ieee_write_number (info, size)) |
| 5896 | return FALSE; |
| 5897 | |
| 5898 | if (! ignorep) |
| 5899 | { |
| 5900 | const char *hold; |
| 5901 | |
| 5902 | /* We never want nt->type.name to be NULL. We want the rest of |
| 5903 | the type to be the object set up on the type stack; it will |
| 5904 | have a NULL name if tag is NULL. */ |
| 5905 | hold = nt->type.name; |
| 5906 | nt->type = info->type_stack->type; |
| 5907 | nt->type.name = hold; |
| 5908 | } |
| 5909 | |
| 5910 | info->type_stack->type.name = tag; |
| 5911 | info->type_stack->type.strdef = strdef; |
| 5912 | info->type_stack->type.ignorep = ignorep; |
| 5913 | |
| 5914 | return TRUE; |
| 5915 | } |
| 5916 | |
| 5917 | /* Add a field to a struct. */ |
| 5918 | |
| 5919 | static bfd_boolean |
| 5920 | ieee_struct_field (void *p, const char *name, bfd_vma bitpos, bfd_vma bitsize, |
| 5921 | enum debug_visibility visibility) |
| 5922 | { |
| 5923 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 5924 | unsigned int size; |
| 5925 | bfd_boolean unsignedp; |
| 5926 | bfd_boolean referencep; |
| 5927 | bfd_boolean localp; |
| 5928 | unsigned int indx; |
| 5929 | bfd_vma offset; |
| 5930 | |
| 5931 | assert (info->type_stack != NULL |
| 5932 | && info->type_stack->next != NULL |
| 5933 | && ! ieee_buffer_emptyp (&info->type_stack->next->type.strdef)); |
| 5934 | |
| 5935 | /* If we are ignoring this struct definition, just pop and ignore |
| 5936 | the type. */ |
| 5937 | if (info->type_stack->next->type.ignorep) |
| 5938 | { |
| 5939 | ieee_pop_unused_type (info); |
| 5940 | return TRUE; |
| 5941 | } |
| 5942 | |
| 5943 | size = info->type_stack->type.size; |
| 5944 | unsignedp = info->type_stack->type.unsignedp; |
| 5945 | referencep = info->type_stack->type.referencep; |
| 5946 | localp = info->type_stack->type.localp; |
| 5947 | indx = ieee_pop_type (info); |
| 5948 | |
| 5949 | if (localp) |
| 5950 | info->type_stack->type.localp = TRUE; |
| 5951 | |
| 5952 | if (info->type_stack->type.classdef != NULL) |
| 5953 | { |
| 5954 | unsigned int flags; |
| 5955 | unsigned int nindx; |
| 5956 | |
| 5957 | /* This is a class. We must add a description of this field to |
| 5958 | the class records we are building. */ |
| 5959 | |
| 5960 | flags = ieee_vis_to_flags (visibility); |
| 5961 | nindx = info->type_stack->type.classdef->indx; |
| 5962 | if (! ieee_change_buffer (info, |
| 5963 | &info->type_stack->type.classdef->pmiscbuf) |
| 5964 | || ! ieee_write_asn (info, nindx, 'd') |
| 5965 | || ! ieee_write_asn (info, nindx, flags) |
| 5966 | || ! ieee_write_atn65 (info, nindx, name) |
| 5967 | || ! ieee_write_atn65 (info, nindx, name)) |
| 5968 | return FALSE; |
| 5969 | info->type_stack->type.classdef->pmisccount += 4; |
| 5970 | |
| 5971 | if (referencep) |
| 5972 | { |
| 5973 | unsigned int nindx; |
| 5974 | |
| 5975 | /* We need to output a record recording that this field is |
| 5976 | really of reference type. We put this on the refs field |
| 5977 | of classdef, so that it can be appended to the C++ |
| 5978 | records after the class is defined. */ |
| 5979 | |
| 5980 | nindx = info->name_indx; |
| 5981 | ++info->name_indx; |
| 5982 | |
| 5983 | if (! ieee_change_buffer (info, |
| 5984 | &info->type_stack->type.classdef->refs) |
| 5985 | || ! ieee_write_byte (info, (int) ieee_nn_record) |
| 5986 | || ! ieee_write_number (info, nindx) |
| 5987 | || ! ieee_write_id (info, "") |
| 5988 | || ! ieee_write_2bytes (info, (int) ieee_atn_record_enum) |
| 5989 | || ! ieee_write_number (info, nindx) |
| 5990 | || ! ieee_write_number (info, 0) |
| 5991 | || ! ieee_write_number (info, 62) |
| 5992 | || ! ieee_write_number (info, 80) |
| 5993 | || ! ieee_write_number (info, 4) |
| 5994 | || ! ieee_write_asn (info, nindx, 'R') |
| 5995 | || ! ieee_write_asn (info, nindx, 3) |
| 5996 | || ! ieee_write_atn65 (info, nindx, info->type_stack->type.name) |
| 5997 | || ! ieee_write_atn65 (info, nindx, name)) |
| 5998 | return FALSE; |
| 5999 | } |
| 6000 | } |
| 6001 | |
| 6002 | /* If the bitsize doesn't match the expected size, we need to output |
| 6003 | a bitfield type. */ |
| 6004 | if (size == 0 || bitsize == 0 || bitsize == size * 8) |
| 6005 | offset = bitpos / 8; |
| 6006 | else |
| 6007 | { |
| 6008 | if (! ieee_define_type (info, 0, unsignedp, |
| 6009 | info->type_stack->type.localp) |
| 6010 | || ! ieee_write_number (info, 'g') |
| 6011 | || ! ieee_write_number (info, unsignedp ? 0 : 1) |
| 6012 | || ! ieee_write_number (info, bitsize) |
| 6013 | || ! ieee_write_number (info, indx)) |
| 6014 | return FALSE; |
| 6015 | indx = ieee_pop_type (info); |
| 6016 | offset = bitpos; |
| 6017 | } |
| 6018 | |
| 6019 | /* Switch to the struct we are building in order to output this |
| 6020 | field definition. */ |
| 6021 | return (ieee_change_buffer (info, &info->type_stack->type.strdef) |
| 6022 | && ieee_write_id (info, name) |
| 6023 | && ieee_write_number (info, indx) |
| 6024 | && ieee_write_number (info, offset)); |
| 6025 | } |
| 6026 | |
| 6027 | /* Finish up a struct type. */ |
| 6028 | |
| 6029 | static bfd_boolean |
| 6030 | ieee_end_struct_type (void *p) |
| 6031 | { |
| 6032 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 6033 | struct ieee_buflist *pb; |
| 6034 | |
| 6035 | assert (info->type_stack != NULL |
| 6036 | && ! ieee_buffer_emptyp (&info->type_stack->type.strdef)); |
| 6037 | |
| 6038 | /* If we were ignoring this struct definition because it was a |
| 6039 | duplicate definition, just through away whatever bytes we have |
| 6040 | accumulated. Leave the type on the stack. */ |
| 6041 | if (info->type_stack->type.ignorep) |
| 6042 | return TRUE; |
| 6043 | |
| 6044 | /* If this is not a duplicate definition of this tag, then localp |
| 6045 | will be FALSE, and we can put it in the global type block. |
| 6046 | FIXME: We should avoid outputting duplicate definitions which are |
| 6047 | the same. */ |
| 6048 | if (! info->type_stack->type.localp) |
| 6049 | { |
| 6050 | /* Make sure we have started the global type block. */ |
| 6051 | if (ieee_buffer_emptyp (&info->global_types)) |
| 6052 | { |
| 6053 | if (! ieee_change_buffer (info, &info->global_types) |
| 6054 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 6055 | || ! ieee_write_byte (info, 2) |
| 6056 | || ! ieee_write_number (info, 0) |
| 6057 | || ! ieee_write_id (info, "")) |
| 6058 | return FALSE; |
| 6059 | } |
| 6060 | pb = &info->global_types; |
| 6061 | } |
| 6062 | else |
| 6063 | { |
| 6064 | /* Make sure we have started the types block. */ |
| 6065 | if (ieee_buffer_emptyp (&info->types)) |
| 6066 | { |
| 6067 | if (! ieee_change_buffer (info, &info->types) |
| 6068 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 6069 | || ! ieee_write_byte (info, 1) |
| 6070 | || ! ieee_write_number (info, 0) |
| 6071 | || ! ieee_write_id (info, info->modname)) |
| 6072 | return FALSE; |
| 6073 | } |
| 6074 | pb = &info->types; |
| 6075 | } |
| 6076 | |
| 6077 | /* Append the struct definition to the types. */ |
| 6078 | if (! ieee_append_buffer (info, pb, &info->type_stack->type.strdef) |
| 6079 | || ! ieee_init_buffer (info, &info->type_stack->type.strdef)) |
| 6080 | return FALSE; |
| 6081 | |
| 6082 | /* Leave the struct on the type stack. */ |
| 6083 | |
| 6084 | return TRUE; |
| 6085 | } |
| 6086 | |
| 6087 | /* Start a class type. */ |
| 6088 | |
| 6089 | static bfd_boolean |
| 6090 | ieee_start_class_type (void *p, const char *tag, unsigned int id, |
| 6091 | bfd_boolean structp, unsigned int size, |
| 6092 | bfd_boolean vptr, bfd_boolean ownvptr) |
| 6093 | { |
| 6094 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 6095 | const char *vclass; |
| 6096 | struct ieee_buflist pmiscbuf; |
| 6097 | unsigned int indx; |
| 6098 | struct ieee_type_class *classdef; |
| 6099 | |
| 6100 | /* A C++ class is output as a C++ struct along with a set of pmisc |
| 6101 | records describing the class. */ |
| 6102 | |
| 6103 | /* We need to have a name so that we can associate the struct and |
| 6104 | the class. */ |
| 6105 | if (tag == NULL) |
| 6106 | { |
| 6107 | char *t; |
| 6108 | |
| 6109 | t = (char *) xmalloc (20); |
| 6110 | sprintf (t, "__anon%u", id); |
| 6111 | tag = t; |
| 6112 | } |
| 6113 | |
| 6114 | /* We can't write out the virtual table information until we have |
| 6115 | finished the class, because we don't know the virtual table size. |
| 6116 | We get the size from the largest voffset we see. */ |
| 6117 | vclass = NULL; |
| 6118 | if (vptr && ! ownvptr) |
| 6119 | { |
| 6120 | vclass = info->type_stack->type.name; |
| 6121 | assert (vclass != NULL); |
| 6122 | /* We don't call ieee_pop_unused_type, since the class should |
| 6123 | get defined. */ |
| 6124 | (void) ieee_pop_type (info); |
| 6125 | } |
| 6126 | |
| 6127 | if (! ieee_start_struct_type (p, tag, id, structp, size)) |
| 6128 | return FALSE; |
| 6129 | |
| 6130 | indx = info->name_indx; |
| 6131 | ++info->name_indx; |
| 6132 | |
| 6133 | /* We write out pmisc records into the classdef field. We will |
| 6134 | write out the pmisc start after we know the number of records we |
| 6135 | need. */ |
| 6136 | if (! ieee_init_buffer (info, &pmiscbuf) |
| 6137 | || ! ieee_change_buffer (info, &pmiscbuf) |
| 6138 | || ! ieee_write_asn (info, indx, 'T') |
| 6139 | || ! ieee_write_asn (info, indx, structp ? 'o' : 'u') |
| 6140 | || ! ieee_write_atn65 (info, indx, tag)) |
| 6141 | return FALSE; |
| 6142 | |
| 6143 | classdef = (struct ieee_type_class *) xmalloc (sizeof *classdef); |
| 6144 | memset (classdef, 0, sizeof *classdef); |
| 6145 | |
| 6146 | classdef->indx = indx; |
| 6147 | classdef->pmiscbuf = pmiscbuf; |
| 6148 | classdef->pmisccount = 3; |
| 6149 | classdef->vclass = vclass; |
| 6150 | classdef->ownvptr = ownvptr; |
| 6151 | |
| 6152 | info->type_stack->type.classdef = classdef; |
| 6153 | |
| 6154 | return TRUE; |
| 6155 | } |
| 6156 | |
| 6157 | /* Add a static member to a class. */ |
| 6158 | |
| 6159 | static bfd_boolean |
| 6160 | ieee_class_static_member (void *p, const char *name, const char *physname, |
| 6161 | enum debug_visibility visibility) |
| 6162 | { |
| 6163 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 6164 | unsigned int flags; |
| 6165 | unsigned int nindx; |
| 6166 | |
| 6167 | /* We don't care about the type. Hopefully there will be a call to |
| 6168 | ieee_variable declaring the physical name and the type, since |
| 6169 | that is where an IEEE consumer must get the type. */ |
| 6170 | ieee_pop_unused_type (info); |
| 6171 | |
| 6172 | assert (info->type_stack != NULL |
| 6173 | && info->type_stack->type.classdef != NULL); |
| 6174 | |
| 6175 | flags = ieee_vis_to_flags (visibility); |
| 6176 | flags |= CXXFLAGS_STATIC; |
| 6177 | |
| 6178 | nindx = info->type_stack->type.classdef->indx; |
| 6179 | |
| 6180 | if (! ieee_change_buffer (info, &info->type_stack->type.classdef->pmiscbuf) |
| 6181 | || ! ieee_write_asn (info, nindx, 'd') |
| 6182 | || ! ieee_write_asn (info, nindx, flags) |
| 6183 | || ! ieee_write_atn65 (info, nindx, name) |
| 6184 | || ! ieee_write_atn65 (info, nindx, physname)) |
| 6185 | return FALSE; |
| 6186 | info->type_stack->type.classdef->pmisccount += 4; |
| 6187 | |
| 6188 | return TRUE; |
| 6189 | } |
| 6190 | |
| 6191 | /* Add a base class to a class. */ |
| 6192 | |
| 6193 | static bfd_boolean |
| 6194 | ieee_class_baseclass (void *p, bfd_vma bitpos, bfd_boolean virtual, |
| 6195 | enum debug_visibility visibility) |
| 6196 | { |
| 6197 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 6198 | const char *bname; |
| 6199 | bfd_boolean localp; |
| 6200 | unsigned int bindx; |
| 6201 | char *fname; |
| 6202 | unsigned int flags; |
| 6203 | unsigned int nindx; |
| 6204 | |
| 6205 | assert (info->type_stack != NULL |
| 6206 | && info->type_stack->type.name != NULL |
| 6207 | && info->type_stack->next != NULL |
| 6208 | && info->type_stack->next->type.classdef != NULL |
| 6209 | && ! ieee_buffer_emptyp (&info->type_stack->next->type.strdef)); |
| 6210 | |
| 6211 | bname = info->type_stack->type.name; |
| 6212 | localp = info->type_stack->type.localp; |
| 6213 | bindx = ieee_pop_type (info); |
| 6214 | |
| 6215 | /* We are currently defining both a struct and a class. We must |
| 6216 | write out a field definition in the struct which holds the base |
| 6217 | class. The stabs debugging reader will create a field named |
| 6218 | _vb$CLASS for a virtual base class, so we just use that. FIXME: |
| 6219 | we should not depend upon a detail of stabs debugging. */ |
| 6220 | if (virtual) |
| 6221 | { |
| 6222 | fname = (char *) xmalloc (strlen (bname) + sizeof "_vb$"); |
| 6223 | sprintf (fname, "_vb$%s", bname); |
| 6224 | flags = BASEFLAGS_VIRTUAL; |
| 6225 | } |
| 6226 | else |
| 6227 | { |
| 6228 | if (localp) |
| 6229 | info->type_stack->type.localp = TRUE; |
| 6230 | |
| 6231 | fname = (char *) xmalloc (strlen (bname) + sizeof "_b$"); |
| 6232 | sprintf (fname, "_b$%s", bname); |
| 6233 | |
| 6234 | if (! ieee_change_buffer (info, &info->type_stack->type.strdef) |
| 6235 | || ! ieee_write_id (info, fname) |
| 6236 | || ! ieee_write_number (info, bindx) |
| 6237 | || ! ieee_write_number (info, bitpos / 8)) |
| 6238 | return FALSE; |
| 6239 | flags = 0; |
| 6240 | } |
| 6241 | |
| 6242 | if (visibility == DEBUG_VISIBILITY_PRIVATE) |
| 6243 | flags |= BASEFLAGS_PRIVATE; |
| 6244 | |
| 6245 | nindx = info->type_stack->type.classdef->indx; |
| 6246 | |
| 6247 | if (! ieee_change_buffer (info, &info->type_stack->type.classdef->pmiscbuf) |
| 6248 | || ! ieee_write_asn (info, nindx, 'b') |
| 6249 | || ! ieee_write_asn (info, nindx, flags) |
| 6250 | || ! ieee_write_atn65 (info, nindx, bname) |
| 6251 | || ! ieee_write_asn (info, nindx, 0) |
| 6252 | || ! ieee_write_atn65 (info, nindx, fname)) |
| 6253 | return FALSE; |
| 6254 | info->type_stack->type.classdef->pmisccount += 5; |
| 6255 | |
| 6256 | free (fname); |
| 6257 | |
| 6258 | return TRUE; |
| 6259 | } |
| 6260 | |
| 6261 | /* Start building a method for a class. */ |
| 6262 | |
| 6263 | static bfd_boolean |
| 6264 | ieee_class_start_method (void *p, const char *name) |
| 6265 | { |
| 6266 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 6267 | |
| 6268 | assert (info->type_stack != NULL |
| 6269 | && info->type_stack->type.classdef != NULL |
| 6270 | && info->type_stack->type.classdef->method == NULL); |
| 6271 | |
| 6272 | info->type_stack->type.classdef->method = name; |
| 6273 | |
| 6274 | return TRUE; |
| 6275 | } |
| 6276 | |
| 6277 | /* Define a new method variant, either static or not. */ |
| 6278 | |
| 6279 | static bfd_boolean |
| 6280 | ieee_class_method_var (struct ieee_handle *info, const char *physname, |
| 6281 | enum debug_visibility visibility, |
| 6282 | bfd_boolean staticp, bfd_boolean constp, |
| 6283 | bfd_boolean volatilep, bfd_vma voffset, |
| 6284 | bfd_boolean context) |
| 6285 | { |
| 6286 | unsigned int flags; |
| 6287 | unsigned int nindx; |
| 6288 | bfd_boolean virtual; |
| 6289 | |
| 6290 | /* We don't need the type of the method. An IEEE consumer which |
| 6291 | wants the type must track down the function by the physical name |
| 6292 | and get the type from that. */ |
| 6293 | ieee_pop_unused_type (info); |
| 6294 | |
| 6295 | /* We don't use the context. FIXME: We probably ought to use it to |
| 6296 | adjust the voffset somehow, but I don't really know how. */ |
| 6297 | if (context) |
| 6298 | ieee_pop_unused_type (info); |
| 6299 | |
| 6300 | assert (info->type_stack != NULL |
| 6301 | && info->type_stack->type.classdef != NULL |
| 6302 | && info->type_stack->type.classdef->method != NULL); |
| 6303 | |
| 6304 | flags = ieee_vis_to_flags (visibility); |
| 6305 | |
| 6306 | /* FIXME: We never set CXXFLAGS_OVERRIDE, CXXFLAGS_OPERATOR, |
| 6307 | CXXFLAGS_CTORDTOR, CXXFLAGS_CTOR, or CXXFLAGS_INLINE. */ |
| 6308 | |
| 6309 | if (staticp) |
| 6310 | flags |= CXXFLAGS_STATIC; |
| 6311 | if (constp) |
| 6312 | flags |= CXXFLAGS_CONST; |
| 6313 | if (volatilep) |
| 6314 | flags |= CXXFLAGS_VOLATILE; |
| 6315 | |
| 6316 | nindx = info->type_stack->type.classdef->indx; |
| 6317 | |
| 6318 | virtual = context || voffset > 0; |
| 6319 | |
| 6320 | if (! ieee_change_buffer (info, |
| 6321 | &info->type_stack->type.classdef->pmiscbuf) |
| 6322 | || ! ieee_write_asn (info, nindx, virtual ? 'v' : 'm') |
| 6323 | || ! ieee_write_asn (info, nindx, flags) |
| 6324 | || ! ieee_write_atn65 (info, nindx, |
| 6325 | info->type_stack->type.classdef->method) |
| 6326 | || ! ieee_write_atn65 (info, nindx, physname)) |
| 6327 | return FALSE; |
| 6328 | |
| 6329 | if (virtual) |
| 6330 | { |
| 6331 | if (voffset > info->type_stack->type.classdef->voffset) |
| 6332 | info->type_stack->type.classdef->voffset = voffset; |
| 6333 | if (! ieee_write_asn (info, nindx, voffset)) |
| 6334 | return FALSE; |
| 6335 | ++info->type_stack->type.classdef->pmisccount; |
| 6336 | } |
| 6337 | |
| 6338 | if (! ieee_write_asn (info, nindx, 0)) |
| 6339 | return FALSE; |
| 6340 | |
| 6341 | info->type_stack->type.classdef->pmisccount += 5; |
| 6342 | |
| 6343 | return TRUE; |
| 6344 | } |
| 6345 | |
| 6346 | /* Define a new method variant. */ |
| 6347 | |
| 6348 | static bfd_boolean |
| 6349 | ieee_class_method_variant (void *p, const char *physname, |
| 6350 | enum debug_visibility visibility, |
| 6351 | bfd_boolean constp, bfd_boolean volatilep, |
| 6352 | bfd_vma voffset, bfd_boolean context) |
| 6353 | { |
| 6354 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 6355 | |
| 6356 | return ieee_class_method_var (info, physname, visibility, FALSE, constp, |
| 6357 | volatilep, voffset, context); |
| 6358 | } |
| 6359 | |
| 6360 | /* Define a new static method variant. */ |
| 6361 | |
| 6362 | static bfd_boolean |
| 6363 | ieee_class_static_method_variant (void *p, const char *physname, |
| 6364 | enum debug_visibility visibility, |
| 6365 | bfd_boolean constp, bfd_boolean volatilep) |
| 6366 | { |
| 6367 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 6368 | |
| 6369 | return ieee_class_method_var (info, physname, visibility, TRUE, constp, |
| 6370 | volatilep, 0, FALSE); |
| 6371 | } |
| 6372 | |
| 6373 | /* Finish up a method. */ |
| 6374 | |
| 6375 | static bfd_boolean |
| 6376 | ieee_class_end_method (void *p) |
| 6377 | { |
| 6378 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 6379 | |
| 6380 | assert (info->type_stack != NULL |
| 6381 | && info->type_stack->type.classdef != NULL |
| 6382 | && info->type_stack->type.classdef->method != NULL); |
| 6383 | |
| 6384 | info->type_stack->type.classdef->method = NULL; |
| 6385 | |
| 6386 | return TRUE; |
| 6387 | } |
| 6388 | |
| 6389 | /* Finish up a class. */ |
| 6390 | |
| 6391 | static bfd_boolean |
| 6392 | ieee_end_class_type (void *p) |
| 6393 | { |
| 6394 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 6395 | unsigned int nindx; |
| 6396 | |
| 6397 | assert (info->type_stack != NULL |
| 6398 | && info->type_stack->type.classdef != NULL); |
| 6399 | |
| 6400 | /* If we were ignoring this class definition because it was a |
| 6401 | duplicate definition, just through away whatever bytes we have |
| 6402 | accumulated. Leave the type on the stack. */ |
| 6403 | if (info->type_stack->type.ignorep) |
| 6404 | return TRUE; |
| 6405 | |
| 6406 | nindx = info->type_stack->type.classdef->indx; |
| 6407 | |
| 6408 | /* If we have a virtual table, we can write out the information now. */ |
| 6409 | if (info->type_stack->type.classdef->vclass != NULL |
| 6410 | || info->type_stack->type.classdef->ownvptr) |
| 6411 | { |
| 6412 | if (! ieee_change_buffer (info, |
| 6413 | &info->type_stack->type.classdef->pmiscbuf) |
| 6414 | || ! ieee_write_asn (info, nindx, 'z') |
| 6415 | || ! ieee_write_atn65 (info, nindx, "") |
| 6416 | || ! ieee_write_asn (info, nindx, |
| 6417 | info->type_stack->type.classdef->voffset)) |
| 6418 | return FALSE; |
| 6419 | if (info->type_stack->type.classdef->ownvptr) |
| 6420 | { |
| 6421 | if (! ieee_write_atn65 (info, nindx, "")) |
| 6422 | return FALSE; |
| 6423 | } |
| 6424 | else |
| 6425 | { |
| 6426 | if (! ieee_write_atn65 (info, nindx, |
| 6427 | info->type_stack->type.classdef->vclass)) |
| 6428 | return FALSE; |
| 6429 | } |
| 6430 | if (! ieee_write_asn (info, nindx, 0)) |
| 6431 | return FALSE; |
| 6432 | info->type_stack->type.classdef->pmisccount += 5; |
| 6433 | } |
| 6434 | |
| 6435 | /* Now that we know the number of pmisc records, we can write out |
| 6436 | the atn62 which starts the pmisc records, and append them to the |
| 6437 | C++ buffers. */ |
| 6438 | |
| 6439 | if (! ieee_change_buffer (info, &info->cxx) |
| 6440 | || ! ieee_write_byte (info, (int) ieee_nn_record) |
| 6441 | || ! ieee_write_number (info, nindx) |
| 6442 | || ! ieee_write_id (info, "") |
| 6443 | || ! ieee_write_2bytes (info, (int) ieee_atn_record_enum) |
| 6444 | || ! ieee_write_number (info, nindx) |
| 6445 | || ! ieee_write_number (info, 0) |
| 6446 | || ! ieee_write_number (info, 62) |
| 6447 | || ! ieee_write_number (info, 80) |
| 6448 | || ! ieee_write_number (info, |
| 6449 | info->type_stack->type.classdef->pmisccount)) |
| 6450 | return FALSE; |
| 6451 | |
| 6452 | if (! ieee_append_buffer (info, &info->cxx, |
| 6453 | &info->type_stack->type.classdef->pmiscbuf)) |
| 6454 | return FALSE; |
| 6455 | if (! ieee_buffer_emptyp (&info->type_stack->type.classdef->refs)) |
| 6456 | { |
| 6457 | if (! ieee_append_buffer (info, &info->cxx, |
| 6458 | &info->type_stack->type.classdef->refs)) |
| 6459 | return FALSE; |
| 6460 | } |
| 6461 | |
| 6462 | return ieee_end_struct_type (p); |
| 6463 | } |
| 6464 | |
| 6465 | /* Push a previously seen typedef onto the type stack. */ |
| 6466 | |
| 6467 | static bfd_boolean |
| 6468 | ieee_typedef_type (void *p, const char *name) |
| 6469 | { |
| 6470 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 6471 | struct ieee_name_type_hash_entry *h; |
| 6472 | struct ieee_name_type *nt; |
| 6473 | |
| 6474 | h = ieee_name_type_hash_lookup (&info->typedefs, name, FALSE, FALSE); |
| 6475 | |
| 6476 | /* h should never be NULL, since that would imply that the generic |
| 6477 | debugging code has asked for a typedef which it has not yet |
| 6478 | defined. */ |
| 6479 | assert (h != NULL); |
| 6480 | |
| 6481 | /* We always use the most recently defined type for this name, which |
| 6482 | will be the first one on the list. */ |
| 6483 | |
| 6484 | nt = h->types; |
| 6485 | if (! ieee_push_type (info, nt->type.indx, nt->type.size, |
| 6486 | nt->type.unsignedp, nt->type.localp)) |
| 6487 | return FALSE; |
| 6488 | |
| 6489 | /* Copy over any other type information we may have. */ |
| 6490 | info->type_stack->type = nt->type; |
| 6491 | |
| 6492 | return TRUE; |
| 6493 | } |
| 6494 | |
| 6495 | /* Push a tagged type onto the type stack. */ |
| 6496 | |
| 6497 | static bfd_boolean |
| 6498 | ieee_tag_type (void *p, const char *name, unsigned int id, |
| 6499 | enum debug_type_kind kind) |
| 6500 | { |
| 6501 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 6502 | bfd_boolean localp; |
| 6503 | bfd_boolean copy; |
| 6504 | char ab[20]; |
| 6505 | struct ieee_name_type_hash_entry *h; |
| 6506 | struct ieee_name_type *nt; |
| 6507 | |
| 6508 | if (kind == DEBUG_KIND_ENUM) |
| 6509 | { |
| 6510 | struct ieee_defined_enum *e; |
| 6511 | |
| 6512 | if (name == NULL) |
| 6513 | abort (); |
| 6514 | for (e = info->enums; e != NULL; e = e->next) |
| 6515 | if (e->tag != NULL && strcmp (e->tag, name) == 0) |
| 6516 | return ieee_push_type (info, e->indx, 0, TRUE, FALSE); |
| 6517 | |
| 6518 | e = (struct ieee_defined_enum *) xmalloc (sizeof *e); |
| 6519 | memset (e, 0, sizeof *e); |
| 6520 | |
| 6521 | e->indx = info->type_indx; |
| 6522 | ++info->type_indx; |
| 6523 | e->tag = name; |
| 6524 | e->defined = FALSE; |
| 6525 | |
| 6526 | e->next = info->enums; |
| 6527 | info->enums = e; |
| 6528 | |
| 6529 | return ieee_push_type (info, e->indx, 0, TRUE, FALSE); |
| 6530 | } |
| 6531 | |
| 6532 | localp = FALSE; |
| 6533 | |
| 6534 | copy = FALSE; |
| 6535 | if (name == NULL) |
| 6536 | { |
| 6537 | sprintf (ab, "__anon%u", id); |
| 6538 | name = ab; |
| 6539 | copy = TRUE; |
| 6540 | } |
| 6541 | |
| 6542 | h = ieee_name_type_hash_lookup (&info->tags, name, TRUE, copy); |
| 6543 | if (h == NULL) |
| 6544 | return FALSE; |
| 6545 | |
| 6546 | for (nt = h->types; nt != NULL; nt = nt->next) |
| 6547 | { |
| 6548 | if (nt->id == id) |
| 6549 | { |
| 6550 | if (! ieee_push_type (info, nt->type.indx, nt->type.size, |
| 6551 | nt->type.unsignedp, nt->type.localp)) |
| 6552 | return FALSE; |
| 6553 | /* Copy over any other type information we may have. */ |
| 6554 | info->type_stack->type = nt->type; |
| 6555 | return TRUE; |
| 6556 | } |
| 6557 | |
| 6558 | if (! nt->type.localp) |
| 6559 | { |
| 6560 | /* This is a duplicate of a global type, so it must be |
| 6561 | local. */ |
| 6562 | localp = TRUE; |
| 6563 | } |
| 6564 | } |
| 6565 | |
| 6566 | nt = (struct ieee_name_type *) xmalloc (sizeof *nt); |
| 6567 | memset (nt, 0, sizeof *nt); |
| 6568 | |
| 6569 | nt->id = id; |
| 6570 | nt->type.name = h->root.string; |
| 6571 | nt->type.indx = info->type_indx; |
| 6572 | nt->type.localp = localp; |
| 6573 | ++info->type_indx; |
| 6574 | nt->kind = kind; |
| 6575 | |
| 6576 | nt->next = h->types; |
| 6577 | h->types = nt; |
| 6578 | |
| 6579 | if (! ieee_push_type (info, nt->type.indx, 0, FALSE, localp)) |
| 6580 | return FALSE; |
| 6581 | |
| 6582 | info->type_stack->type.name = h->root.string; |
| 6583 | |
| 6584 | return TRUE; |
| 6585 | } |
| 6586 | |
| 6587 | /* Output a typedef. */ |
| 6588 | |
| 6589 | static bfd_boolean |
| 6590 | ieee_typdef (void *p, const char *name) |
| 6591 | { |
| 6592 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 6593 | struct ieee_write_type type; |
| 6594 | unsigned int indx; |
| 6595 | bfd_boolean found; |
| 6596 | bfd_boolean localp; |
| 6597 | struct ieee_name_type_hash_entry *h; |
| 6598 | struct ieee_name_type *nt; |
| 6599 | |
| 6600 | type = info->type_stack->type; |
| 6601 | indx = type.indx; |
| 6602 | |
| 6603 | /* If this is a simple builtin type using a builtin name, we don't |
| 6604 | want to output the typedef itself. We also want to change the |
| 6605 | type index to correspond to the name being used. We recognize |
| 6606 | names used in stabs debugging output even if they don't exactly |
| 6607 | correspond to the names used for the IEEE builtin types. */ |
| 6608 | found = FALSE; |
| 6609 | if (indx <= (unsigned int) builtin_bcd_float) |
| 6610 | { |
| 6611 | switch ((enum builtin_types) indx) |
| 6612 | { |
| 6613 | default: |
| 6614 | break; |
| 6615 | |
| 6616 | case builtin_void: |
| 6617 | if (strcmp (name, "void") == 0) |
| 6618 | found = TRUE; |
| 6619 | break; |
| 6620 | |
| 6621 | case builtin_signed_char: |
| 6622 | case builtin_char: |
| 6623 | if (strcmp (name, "signed char") == 0) |
| 6624 | { |
| 6625 | indx = (unsigned int) builtin_signed_char; |
| 6626 | found = TRUE; |
| 6627 | } |
| 6628 | else if (strcmp (name, "char") == 0) |
| 6629 | { |
| 6630 | indx = (unsigned int) builtin_char; |
| 6631 | found = TRUE; |
| 6632 | } |
| 6633 | break; |
| 6634 | |
| 6635 | case builtin_unsigned_char: |
| 6636 | if (strcmp (name, "unsigned char") == 0) |
| 6637 | found = TRUE; |
| 6638 | break; |
| 6639 | |
| 6640 | case builtin_signed_short_int: |
| 6641 | case builtin_short: |
| 6642 | case builtin_short_int: |
| 6643 | case builtin_signed_short: |
| 6644 | if (strcmp (name, "signed short int") == 0) |
| 6645 | { |
| 6646 | indx = (unsigned int) builtin_signed_short_int; |
| 6647 | found = TRUE; |
| 6648 | } |
| 6649 | else if (strcmp (name, "short") == 0) |
| 6650 | { |
| 6651 | indx = (unsigned int) builtin_short; |
| 6652 | found = TRUE; |
| 6653 | } |
| 6654 | else if (strcmp (name, "short int") == 0) |
| 6655 | { |
| 6656 | indx = (unsigned int) builtin_short_int; |
| 6657 | found = TRUE; |
| 6658 | } |
| 6659 | else if (strcmp (name, "signed short") == 0) |
| 6660 | { |
| 6661 | indx = (unsigned int) builtin_signed_short; |
| 6662 | found = TRUE; |
| 6663 | } |
| 6664 | break; |
| 6665 | |
| 6666 | case builtin_unsigned_short_int: |
| 6667 | case builtin_unsigned_short: |
| 6668 | if (strcmp (name, "unsigned short int") == 0 |
| 6669 | || strcmp (name, "short unsigned int") == 0) |
| 6670 | { |
| 6671 | indx = builtin_unsigned_short_int; |
| 6672 | found = TRUE; |
| 6673 | } |
| 6674 | else if (strcmp (name, "unsigned short") == 0) |
| 6675 | { |
| 6676 | indx = builtin_unsigned_short; |
| 6677 | found = TRUE; |
| 6678 | } |
| 6679 | break; |
| 6680 | |
| 6681 | case builtin_signed_long: |
| 6682 | case builtin_int: /* FIXME: Size depends upon architecture. */ |
| 6683 | case builtin_long: |
| 6684 | if (strcmp (name, "signed long") == 0) |
| 6685 | { |
| 6686 | indx = builtin_signed_long; |
| 6687 | found = TRUE; |
| 6688 | } |
| 6689 | else if (strcmp (name, "int") == 0) |
| 6690 | { |
| 6691 | indx = builtin_int; |
| 6692 | found = TRUE; |
| 6693 | } |
| 6694 | else if (strcmp (name, "long") == 0 |
| 6695 | || strcmp (name, "long int") == 0) |
| 6696 | { |
| 6697 | indx = builtin_long; |
| 6698 | found = TRUE; |
| 6699 | } |
| 6700 | break; |
| 6701 | |
| 6702 | case builtin_unsigned_long: |
| 6703 | case builtin_unsigned: /* FIXME: Size depends upon architecture. */ |
| 6704 | case builtin_unsigned_int: /* FIXME: Like builtin_unsigned. */ |
| 6705 | if (strcmp (name, "unsigned long") == 0 |
| 6706 | || strcmp (name, "long unsigned int") == 0) |
| 6707 | { |
| 6708 | indx = builtin_unsigned_long; |
| 6709 | found = TRUE; |
| 6710 | } |
| 6711 | else if (strcmp (name, "unsigned") == 0) |
| 6712 | { |
| 6713 | indx = builtin_unsigned; |
| 6714 | found = TRUE; |
| 6715 | } |
| 6716 | else if (strcmp (name, "unsigned int") == 0) |
| 6717 | { |
| 6718 | indx = builtin_unsigned_int; |
| 6719 | found = TRUE; |
| 6720 | } |
| 6721 | break; |
| 6722 | |
| 6723 | case builtin_signed_long_long: |
| 6724 | if (strcmp (name, "signed long long") == 0 |
| 6725 | || strcmp (name, "long long int") == 0) |
| 6726 | found = TRUE; |
| 6727 | break; |
| 6728 | |
| 6729 | case builtin_unsigned_long_long: |
| 6730 | if (strcmp (name, "unsigned long long") == 0 |
| 6731 | || strcmp (name, "long long unsigned int") == 0) |
| 6732 | found = TRUE; |
| 6733 | break; |
| 6734 | |
| 6735 | case builtin_float: |
| 6736 | if (strcmp (name, "float") == 0) |
| 6737 | found = TRUE; |
| 6738 | break; |
| 6739 | |
| 6740 | case builtin_double: |
| 6741 | if (strcmp (name, "double") == 0) |
| 6742 | found = TRUE; |
| 6743 | break; |
| 6744 | |
| 6745 | case builtin_long_double: |
| 6746 | if (strcmp (name, "long double") == 0) |
| 6747 | found = TRUE; |
| 6748 | break; |
| 6749 | |
| 6750 | case builtin_long_long_double: |
| 6751 | if (strcmp (name, "long long double") == 0) |
| 6752 | found = TRUE; |
| 6753 | break; |
| 6754 | } |
| 6755 | |
| 6756 | if (found) |
| 6757 | type.indx = indx; |
| 6758 | } |
| 6759 | |
| 6760 | h = ieee_name_type_hash_lookup (&info->typedefs, name, TRUE, FALSE); |
| 6761 | if (h == NULL) |
| 6762 | return FALSE; |
| 6763 | |
| 6764 | /* See if we have already defined this type with this name. */ |
| 6765 | localp = type.localp; |
| 6766 | for (nt = h->types; nt != NULL; nt = nt->next) |
| 6767 | { |
| 6768 | if (nt->id == indx) |
| 6769 | { |
| 6770 | /* If this is a global definition, then we don't need to |
| 6771 | do anything here. */ |
| 6772 | if (! nt->type.localp) |
| 6773 | { |
| 6774 | ieee_pop_unused_type (info); |
| 6775 | return TRUE; |
| 6776 | } |
| 6777 | } |
| 6778 | else |
| 6779 | { |
| 6780 | /* This is a duplicate definition, so make this one local. */ |
| 6781 | localp = TRUE; |
| 6782 | } |
| 6783 | } |
| 6784 | |
| 6785 | /* We need to add a new typedef for this type. */ |
| 6786 | |
| 6787 | nt = (struct ieee_name_type *) xmalloc (sizeof *nt); |
| 6788 | memset (nt, 0, sizeof *nt); |
| 6789 | nt->id = indx; |
| 6790 | nt->type = type; |
| 6791 | nt->type.name = name; |
| 6792 | nt->type.localp = localp; |
| 6793 | nt->kind = DEBUG_KIND_ILLEGAL; |
| 6794 | |
| 6795 | nt->next = h->types; |
| 6796 | h->types = nt; |
| 6797 | |
| 6798 | if (found) |
| 6799 | { |
| 6800 | /* This is one of the builtin typedefs, so we don't need to |
| 6801 | actually define it. */ |
| 6802 | ieee_pop_unused_type (info); |
| 6803 | return TRUE; |
| 6804 | } |
| 6805 | |
| 6806 | indx = ieee_pop_type (info); |
| 6807 | |
| 6808 | if (! ieee_define_named_type (info, name, (unsigned int) -1, type.size, |
| 6809 | type.unsignedp, localp, |
| 6810 | (struct ieee_buflist *) NULL) |
| 6811 | || ! ieee_write_number (info, 'T') |
| 6812 | || ! ieee_write_number (info, indx)) |
| 6813 | return FALSE; |
| 6814 | |
| 6815 | /* Remove the type we just added to the type stack. This should not |
| 6816 | be ieee_pop_unused_type, since the type is used, we just don't |
| 6817 | need it now. */ |
| 6818 | (void) ieee_pop_type (info); |
| 6819 | |
| 6820 | return TRUE; |
| 6821 | } |
| 6822 | |
| 6823 | /* Output a tag for a type. We don't have to do anything here. */ |
| 6824 | |
| 6825 | static bfd_boolean |
| 6826 | ieee_tag (void *p, const char *name ATTRIBUTE_UNUSED) |
| 6827 | { |
| 6828 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 6829 | |
| 6830 | /* This should not be ieee_pop_unused_type, since we want the type |
| 6831 | to be defined. */ |
| 6832 | (void) ieee_pop_type (info); |
| 6833 | return TRUE; |
| 6834 | } |
| 6835 | |
| 6836 | /* Output an integer constant. */ |
| 6837 | |
| 6838 | static bfd_boolean |
| 6839 | ieee_int_constant (void *p ATTRIBUTE_UNUSED, const char *name ATTRIBUTE_UNUSED, |
| 6840 | bfd_vma val ATTRIBUTE_UNUSED) |
| 6841 | { |
| 6842 | /* FIXME. */ |
| 6843 | return TRUE; |
| 6844 | } |
| 6845 | |
| 6846 | /* Output a floating point constant. */ |
| 6847 | |
| 6848 | static bfd_boolean |
| 6849 | ieee_float_constant (void *p ATTRIBUTE_UNUSED, |
| 6850 | const char *name ATTRIBUTE_UNUSED, |
| 6851 | double val ATTRIBUTE_UNUSED) |
| 6852 | { |
| 6853 | /* FIXME. */ |
| 6854 | return TRUE; |
| 6855 | } |
| 6856 | |
| 6857 | /* Output a typed constant. */ |
| 6858 | |
| 6859 | static bfd_boolean |
| 6860 | ieee_typed_constant (void *p, const char *name ATTRIBUTE_UNUSED, |
| 6861 | bfd_vma val ATTRIBUTE_UNUSED) |
| 6862 | { |
| 6863 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 6864 | |
| 6865 | /* FIXME. */ |
| 6866 | ieee_pop_unused_type (info); |
| 6867 | return TRUE; |
| 6868 | } |
| 6869 | |
| 6870 | /* Output a variable. */ |
| 6871 | |
| 6872 | static bfd_boolean |
| 6873 | ieee_variable (void *p, const char *name, enum debug_var_kind kind, |
| 6874 | bfd_vma val) |
| 6875 | { |
| 6876 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 6877 | unsigned int name_indx; |
| 6878 | unsigned int size; |
| 6879 | bfd_boolean referencep; |
| 6880 | unsigned int type_indx; |
| 6881 | bfd_boolean asn; |
| 6882 | int refflag; |
| 6883 | |
| 6884 | size = info->type_stack->type.size; |
| 6885 | referencep = info->type_stack->type.referencep; |
| 6886 | type_indx = ieee_pop_type (info); |
| 6887 | |
| 6888 | assert (! ieee_buffer_emptyp (&info->vars)); |
| 6889 | if (! ieee_change_buffer (info, &info->vars)) |
| 6890 | return FALSE; |
| 6891 | |
| 6892 | name_indx = info->name_indx; |
| 6893 | ++info->name_indx; |
| 6894 | |
| 6895 | /* Write out an NN and an ATN record for this variable. */ |
| 6896 | if (! ieee_write_byte (info, (int) ieee_nn_record) |
| 6897 | || ! ieee_write_number (info, name_indx) |
| 6898 | || ! ieee_write_id (info, name) |
| 6899 | || ! ieee_write_2bytes (info, (int) ieee_atn_record_enum) |
| 6900 | || ! ieee_write_number (info, name_indx) |
| 6901 | || ! ieee_write_number (info, type_indx)) |
| 6902 | return FALSE; |
| 6903 | switch (kind) |
| 6904 | { |
| 6905 | default: |
| 6906 | abort (); |
| 6907 | return FALSE; |
| 6908 | case DEBUG_GLOBAL: |
| 6909 | if (! ieee_write_number (info, 8) |
| 6910 | || ! ieee_add_range (info, FALSE, val, val + size)) |
| 6911 | return FALSE; |
| 6912 | refflag = 0; |
| 6913 | asn = TRUE; |
| 6914 | break; |
| 6915 | case DEBUG_STATIC: |
| 6916 | if (! ieee_write_number (info, 3) |
| 6917 | || ! ieee_add_range (info, FALSE, val, val + size)) |
| 6918 | return FALSE; |
| 6919 | refflag = 1; |
| 6920 | asn = TRUE; |
| 6921 | break; |
| 6922 | case DEBUG_LOCAL_STATIC: |
| 6923 | if (! ieee_write_number (info, 3) |
| 6924 | || ! ieee_add_range (info, FALSE, val, val + size)) |
| 6925 | return FALSE; |
| 6926 | refflag = 2; |
| 6927 | asn = TRUE; |
| 6928 | break; |
| 6929 | case DEBUG_LOCAL: |
| 6930 | if (! ieee_write_number (info, 1) |
| 6931 | || ! ieee_write_number (info, val)) |
| 6932 | return FALSE; |
| 6933 | refflag = 2; |
| 6934 | asn = FALSE; |
| 6935 | break; |
| 6936 | case DEBUG_REGISTER: |
| 6937 | if (! ieee_write_number (info, 2) |
| 6938 | || ! ieee_write_number (info, |
| 6939 | ieee_genreg_to_regno (info->abfd, val))) |
| 6940 | return FALSE; |
| 6941 | refflag = 2; |
| 6942 | asn = FALSE; |
| 6943 | break; |
| 6944 | } |
| 6945 | |
| 6946 | if (asn) |
| 6947 | { |
| 6948 | if (! ieee_write_asn (info, name_indx, val)) |
| 6949 | return FALSE; |
| 6950 | } |
| 6951 | |
| 6952 | /* If this is really a reference type, then we just output it with |
| 6953 | pointer type, and must now output a C++ record indicating that it |
| 6954 | is really reference type. */ |
| 6955 | if (referencep) |
| 6956 | { |
| 6957 | unsigned int nindx; |
| 6958 | |
| 6959 | nindx = info->name_indx; |
| 6960 | ++info->name_indx; |
| 6961 | |
| 6962 | /* If this is a global variable, we want to output the misc |
| 6963 | record in the C++ misc record block. Otherwise, we want to |
| 6964 | output it just after the variable definition, which is where |
| 6965 | the current buffer is. */ |
| 6966 | if (refflag != 2) |
| 6967 | { |
| 6968 | if (! ieee_change_buffer (info, &info->cxx)) |
| 6969 | return FALSE; |
| 6970 | } |
| 6971 | |
| 6972 | if (! ieee_write_byte (info, (int) ieee_nn_record) |
| 6973 | || ! ieee_write_number (info, nindx) |
| 6974 | || ! ieee_write_id (info, "") |
| 6975 | || ! ieee_write_2bytes (info, (int) ieee_atn_record_enum) |
| 6976 | || ! ieee_write_number (info, nindx) |
| 6977 | || ! ieee_write_number (info, 0) |
| 6978 | || ! ieee_write_number (info, 62) |
| 6979 | || ! ieee_write_number (info, 80) |
| 6980 | || ! ieee_write_number (info, 3) |
| 6981 | || ! ieee_write_asn (info, nindx, 'R') |
| 6982 | || ! ieee_write_asn (info, nindx, refflag) |
| 6983 | || ! ieee_write_atn65 (info, nindx, name)) |
| 6984 | return FALSE; |
| 6985 | } |
| 6986 | |
| 6987 | return TRUE; |
| 6988 | } |
| 6989 | |
| 6990 | /* Start outputting information for a function. */ |
| 6991 | |
| 6992 | static bfd_boolean |
| 6993 | ieee_start_function (void *p, const char *name, bfd_boolean global) |
| 6994 | { |
| 6995 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 6996 | bfd_boolean referencep; |
| 6997 | unsigned int retindx, typeindx; |
| 6998 | |
| 6999 | referencep = info->type_stack->type.referencep; |
| 7000 | retindx = ieee_pop_type (info); |
| 7001 | |
| 7002 | /* Besides recording a BB4 or BB6 block, we record the type of the |
| 7003 | function in the BB1 typedef block. We can't write out the full |
| 7004 | type until we have seen all the parameters, so we accumulate it |
| 7005 | in info->fntype and info->fnargs. */ |
| 7006 | if (! ieee_buffer_emptyp (&info->fntype)) |
| 7007 | { |
| 7008 | /* FIXME: This might happen someday if we support nested |
| 7009 | functions. */ |
| 7010 | abort (); |
| 7011 | } |
| 7012 | |
| 7013 | info->fnname = name; |
| 7014 | |
| 7015 | /* An attribute of 0x40 means that the push mask is unknown. */ |
| 7016 | if (! ieee_define_named_type (info, name, (unsigned int) -1, 0, FALSE, TRUE, |
| 7017 | &info->fntype) |
| 7018 | || ! ieee_write_number (info, 'x') |
| 7019 | || ! ieee_write_number (info, 0x40) |
| 7020 | || ! ieee_write_number (info, 0) |
| 7021 | || ! ieee_write_number (info, 0) |
| 7022 | || ! ieee_write_number (info, retindx)) |
| 7023 | return FALSE; |
| 7024 | |
| 7025 | typeindx = ieee_pop_type (info); |
| 7026 | |
| 7027 | if (! ieee_init_buffer (info, &info->fnargs)) |
| 7028 | return FALSE; |
| 7029 | info->fnargcount = 0; |
| 7030 | |
| 7031 | /* If the function return value is actually a reference type, we |
| 7032 | must add a record indicating that. */ |
| 7033 | if (referencep) |
| 7034 | { |
| 7035 | unsigned int nindx; |
| 7036 | |
| 7037 | nindx = info->name_indx; |
| 7038 | ++info->name_indx; |
| 7039 | if (! ieee_change_buffer (info, &info->cxx) |
| 7040 | || ! ieee_write_byte (info, (int) ieee_nn_record) |
| 7041 | || ! ieee_write_number (info, nindx) |
| 7042 | || ! ieee_write_id (info, "") |
| 7043 | || ! ieee_write_2bytes (info, (int) ieee_atn_record_enum) |
| 7044 | || ! ieee_write_number (info, nindx) |
| 7045 | || ! ieee_write_number (info, 0) |
| 7046 | || ! ieee_write_number (info, 62) |
| 7047 | || ! ieee_write_number (info, 80) |
| 7048 | || ! ieee_write_number (info, 3) |
| 7049 | || ! ieee_write_asn (info, nindx, 'R') |
| 7050 | || ! ieee_write_asn (info, nindx, global ? 0 : 1) |
| 7051 | || ! ieee_write_atn65 (info, nindx, name)) |
| 7052 | return FALSE; |
| 7053 | } |
| 7054 | |
| 7055 | assert (! ieee_buffer_emptyp (&info->vars)); |
| 7056 | if (! ieee_change_buffer (info, &info->vars)) |
| 7057 | return FALSE; |
| 7058 | |
| 7059 | /* The address is written out as the first block. */ |
| 7060 | |
| 7061 | ++info->block_depth; |
| 7062 | |
| 7063 | return (ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 7064 | && ieee_write_byte (info, global ? 4 : 6) |
| 7065 | && ieee_write_number (info, 0) |
| 7066 | && ieee_write_id (info, name) |
| 7067 | && ieee_write_number (info, 0) |
| 7068 | && ieee_write_number (info, typeindx)); |
| 7069 | } |
| 7070 | |
| 7071 | /* Add a function parameter. This will normally be called before the |
| 7072 | first block, so we postpone them until we see the block. */ |
| 7073 | |
| 7074 | static bfd_boolean |
| 7075 | ieee_function_parameter (void *p, const char *name, enum debug_parm_kind kind, |
| 7076 | bfd_vma val) |
| 7077 | { |
| 7078 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 7079 | struct ieee_pending_parm *m, **pm; |
| 7080 | |
| 7081 | assert (info->block_depth == 1); |
| 7082 | |
| 7083 | m = (struct ieee_pending_parm *) xmalloc (sizeof *m); |
| 7084 | memset (m, 0, sizeof *m); |
| 7085 | |
| 7086 | m->next = NULL; |
| 7087 | m->name = name; |
| 7088 | m->referencep = info->type_stack->type.referencep; |
| 7089 | m->type = ieee_pop_type (info); |
| 7090 | m->kind = kind; |
| 7091 | m->val = val; |
| 7092 | |
| 7093 | for (pm = &info->pending_parms; *pm != NULL; pm = &(*pm)->next) |
| 7094 | ; |
| 7095 | *pm = m; |
| 7096 | |
| 7097 | /* Add the type to the fnargs list. */ |
| 7098 | if (! ieee_change_buffer (info, &info->fnargs) |
| 7099 | || ! ieee_write_number (info, m->type)) |
| 7100 | return FALSE; |
| 7101 | ++info->fnargcount; |
| 7102 | |
| 7103 | return TRUE; |
| 7104 | } |
| 7105 | |
| 7106 | /* Output pending function parameters. */ |
| 7107 | |
| 7108 | static bfd_boolean |
| 7109 | ieee_output_pending_parms (struct ieee_handle *info) |
| 7110 | { |
| 7111 | struct ieee_pending_parm *m; |
| 7112 | unsigned int refcount; |
| 7113 | |
| 7114 | refcount = 0; |
| 7115 | for (m = info->pending_parms; m != NULL; m = m->next) |
| 7116 | { |
| 7117 | enum debug_var_kind vkind; |
| 7118 | |
| 7119 | switch (m->kind) |
| 7120 | { |
| 7121 | default: |
| 7122 | abort (); |
| 7123 | return FALSE; |
| 7124 | case DEBUG_PARM_STACK: |
| 7125 | case DEBUG_PARM_REFERENCE: |
| 7126 | vkind = DEBUG_LOCAL; |
| 7127 | break; |
| 7128 | case DEBUG_PARM_REG: |
| 7129 | case DEBUG_PARM_REF_REG: |
| 7130 | vkind = DEBUG_REGISTER; |
| 7131 | break; |
| 7132 | } |
| 7133 | |
| 7134 | if (! ieee_push_type (info, m->type, 0, FALSE, FALSE)) |
| 7135 | return FALSE; |
| 7136 | info->type_stack->type.referencep = m->referencep; |
| 7137 | if (m->referencep) |
| 7138 | ++refcount; |
| 7139 | if (! ieee_variable ((void *) info, m->name, vkind, m->val)) |
| 7140 | return FALSE; |
| 7141 | } |
| 7142 | |
| 7143 | /* If there are any reference parameters, we need to output a |
| 7144 | miscellaneous record indicating them. */ |
| 7145 | if (refcount > 0) |
| 7146 | { |
| 7147 | unsigned int nindx, varindx; |
| 7148 | |
| 7149 | /* FIXME: The MRI compiler outputs the demangled function name |
| 7150 | here, but we are outputting the mangled name. */ |
| 7151 | nindx = info->name_indx; |
| 7152 | ++info->name_indx; |
| 7153 | if (! ieee_change_buffer (info, &info->vars) |
| 7154 | || ! ieee_write_byte (info, (int) ieee_nn_record) |
| 7155 | || ! ieee_write_number (info, nindx) |
| 7156 | || ! ieee_write_id (info, "") |
| 7157 | || ! ieee_write_2bytes (info, (int) ieee_atn_record_enum) |
| 7158 | || ! ieee_write_number (info, nindx) |
| 7159 | || ! ieee_write_number (info, 0) |
| 7160 | || ! ieee_write_number (info, 62) |
| 7161 | || ! ieee_write_number (info, 80) |
| 7162 | || ! ieee_write_number (info, refcount + 3) |
| 7163 | || ! ieee_write_asn (info, nindx, 'B') |
| 7164 | || ! ieee_write_atn65 (info, nindx, info->fnname) |
| 7165 | || ! ieee_write_asn (info, nindx, 0)) |
| 7166 | return FALSE; |
| 7167 | for (m = info->pending_parms, varindx = 1; |
| 7168 | m != NULL; |
| 7169 | m = m->next, varindx++) |
| 7170 | { |
| 7171 | if (m->referencep) |
| 7172 | { |
| 7173 | if (! ieee_write_asn (info, nindx, varindx)) |
| 7174 | return FALSE; |
| 7175 | } |
| 7176 | } |
| 7177 | } |
| 7178 | |
| 7179 | m = info->pending_parms; |
| 7180 | while (m != NULL) |
| 7181 | { |
| 7182 | struct ieee_pending_parm *next; |
| 7183 | |
| 7184 | next = m->next; |
| 7185 | free (m); |
| 7186 | m = next; |
| 7187 | } |
| 7188 | |
| 7189 | info->pending_parms = NULL; |
| 7190 | |
| 7191 | return TRUE; |
| 7192 | } |
| 7193 | |
| 7194 | /* Start a block. If this is the first block, we output the address |
| 7195 | to finish the BB4 or BB6, and then output the function parameters. */ |
| 7196 | |
| 7197 | static bfd_boolean |
| 7198 | ieee_start_block (void *p, bfd_vma addr) |
| 7199 | { |
| 7200 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 7201 | |
| 7202 | if (! ieee_change_buffer (info, &info->vars)) |
| 7203 | return FALSE; |
| 7204 | |
| 7205 | if (info->block_depth == 1) |
| 7206 | { |
| 7207 | if (! ieee_write_number (info, addr) |
| 7208 | || ! ieee_output_pending_parms (info)) |
| 7209 | return FALSE; |
| 7210 | } |
| 7211 | else |
| 7212 | { |
| 7213 | if (! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 7214 | || ! ieee_write_byte (info, 6) |
| 7215 | || ! ieee_write_number (info, 0) |
| 7216 | || ! ieee_write_id (info, "") |
| 7217 | || ! ieee_write_number (info, 0) |
| 7218 | || ! ieee_write_number (info, 0) |
| 7219 | || ! ieee_write_number (info, addr)) |
| 7220 | return FALSE; |
| 7221 | } |
| 7222 | |
| 7223 | if (! ieee_start_range (info, addr)) |
| 7224 | return FALSE; |
| 7225 | |
| 7226 | ++info->block_depth; |
| 7227 | |
| 7228 | return TRUE; |
| 7229 | } |
| 7230 | |
| 7231 | /* End a block. */ |
| 7232 | |
| 7233 | static bfd_boolean |
| 7234 | ieee_end_block (void *p, bfd_vma addr) |
| 7235 | { |
| 7236 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 7237 | |
| 7238 | /* The address we are given is the end of the block, but IEEE seems |
| 7239 | to want to the address of the last byte in the block, so we |
| 7240 | subtract one. */ |
| 7241 | if (! ieee_change_buffer (info, &info->vars) |
| 7242 | || ! ieee_write_byte (info, (int) ieee_be_record_enum) |
| 7243 | || ! ieee_write_number (info, addr - 1)) |
| 7244 | return FALSE; |
| 7245 | |
| 7246 | if (! ieee_end_range (info, addr)) |
| 7247 | return FALSE; |
| 7248 | |
| 7249 | --info->block_depth; |
| 7250 | |
| 7251 | if (addr > info->highaddr) |
| 7252 | info->highaddr = addr; |
| 7253 | |
| 7254 | return TRUE; |
| 7255 | } |
| 7256 | |
| 7257 | /* End a function. */ |
| 7258 | |
| 7259 | static bfd_boolean |
| 7260 | ieee_end_function (void *p) |
| 7261 | { |
| 7262 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 7263 | |
| 7264 | assert (info->block_depth == 1); |
| 7265 | |
| 7266 | --info->block_depth; |
| 7267 | |
| 7268 | /* Now we can finish up fntype, and add it to the typdef section. |
| 7269 | At this point, fntype is the 'x' type up to the argument count, |
| 7270 | and fnargs is the argument types. We must add the argument |
| 7271 | count, and we must add the level. FIXME: We don't record varargs |
| 7272 | functions correctly. In fact, stabs debugging does not give us |
| 7273 | enough information to do so. */ |
| 7274 | if (! ieee_change_buffer (info, &info->fntype) |
| 7275 | || ! ieee_write_number (info, info->fnargcount) |
| 7276 | || ! ieee_change_buffer (info, &info->fnargs) |
| 7277 | || ! ieee_write_number (info, 0)) |
| 7278 | return FALSE; |
| 7279 | |
| 7280 | /* Make sure the typdef block has been started. */ |
| 7281 | if (ieee_buffer_emptyp (&info->types)) |
| 7282 | { |
| 7283 | if (! ieee_change_buffer (info, &info->types) |
| 7284 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 7285 | || ! ieee_write_byte (info, 1) |
| 7286 | || ! ieee_write_number (info, 0) |
| 7287 | || ! ieee_write_id (info, info->modname)) |
| 7288 | return FALSE; |
| 7289 | } |
| 7290 | |
| 7291 | if (! ieee_append_buffer (info, &info->types, &info->fntype) |
| 7292 | || ! ieee_append_buffer (info, &info->types, &info->fnargs)) |
| 7293 | return FALSE; |
| 7294 | |
| 7295 | info->fnname = NULL; |
| 7296 | if (! ieee_init_buffer (info, &info->fntype) |
| 7297 | || ! ieee_init_buffer (info, &info->fnargs)) |
| 7298 | return FALSE; |
| 7299 | info->fnargcount = 0; |
| 7300 | |
| 7301 | return TRUE; |
| 7302 | } |
| 7303 | |
| 7304 | /* Record line number information. */ |
| 7305 | |
| 7306 | static bfd_boolean |
| 7307 | ieee_lineno (void *p, const char *filename, unsigned long lineno, bfd_vma addr) |
| 7308 | { |
| 7309 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 7310 | |
| 7311 | assert (info->filename != NULL); |
| 7312 | |
| 7313 | /* The HP simulator seems to get confused when more than one line is |
| 7314 | listed for the same address, at least if they are in different |
| 7315 | files. We handle this by always listing the last line for a |
| 7316 | given address, since that seems to be the one that gdb uses. */ |
| 7317 | if (info->pending_lineno_filename != NULL |
| 7318 | && addr != info->pending_lineno_addr) |
| 7319 | { |
| 7320 | /* Make sure we have a line number block. */ |
| 7321 | if (! ieee_buffer_emptyp (&info->linenos)) |
| 7322 | { |
| 7323 | if (! ieee_change_buffer (info, &info->linenos)) |
| 7324 | return FALSE; |
| 7325 | } |
| 7326 | else |
| 7327 | { |
| 7328 | info->lineno_name_indx = info->name_indx; |
| 7329 | ++info->name_indx; |
| 7330 | if (! ieee_change_buffer (info, &info->linenos) |
| 7331 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 7332 | || ! ieee_write_byte (info, 5) |
| 7333 | || ! ieee_write_number (info, 0) |
| 7334 | || ! ieee_write_id (info, info->filename) |
| 7335 | || ! ieee_write_byte (info, (int) ieee_nn_record) |
| 7336 | || ! ieee_write_number (info, info->lineno_name_indx) |
| 7337 | || ! ieee_write_id (info, "")) |
| 7338 | return FALSE; |
| 7339 | info->lineno_filename = info->filename; |
| 7340 | } |
| 7341 | |
| 7342 | if (strcmp (info->pending_lineno_filename, info->lineno_filename) != 0) |
| 7343 | { |
| 7344 | if (strcmp (info->filename, info->lineno_filename) != 0) |
| 7345 | { |
| 7346 | /* We were not in the main file. Close the block for the |
| 7347 | included file. */ |
| 7348 | if (! ieee_write_byte (info, (int) ieee_be_record_enum)) |
| 7349 | return FALSE; |
| 7350 | if (strcmp (info->filename, info->pending_lineno_filename) == 0) |
| 7351 | { |
| 7352 | /* We need a new NN record, and we aren't about to |
| 7353 | output one. */ |
| 7354 | info->lineno_name_indx = info->name_indx; |
| 7355 | ++info->name_indx; |
| 7356 | if (! ieee_write_byte (info, (int) ieee_nn_record) |
| 7357 | || ! ieee_write_number (info, info->lineno_name_indx) |
| 7358 | || ! ieee_write_id (info, "")) |
| 7359 | return FALSE; |
| 7360 | } |
| 7361 | } |
| 7362 | if (strcmp (info->filename, info->pending_lineno_filename) != 0) |
| 7363 | { |
| 7364 | /* We are not changing to the main file. Open a block for |
| 7365 | the new included file. */ |
| 7366 | info->lineno_name_indx = info->name_indx; |
| 7367 | ++info->name_indx; |
| 7368 | if (! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 7369 | || ! ieee_write_byte (info, 5) |
| 7370 | || ! ieee_write_number (info, 0) |
| 7371 | || ! ieee_write_id (info, info->pending_lineno_filename) |
| 7372 | || ! ieee_write_byte (info, (int) ieee_nn_record) |
| 7373 | || ! ieee_write_number (info, info->lineno_name_indx) |
| 7374 | || ! ieee_write_id (info, "")) |
| 7375 | return FALSE; |
| 7376 | } |
| 7377 | info->lineno_filename = info->pending_lineno_filename; |
| 7378 | } |
| 7379 | |
| 7380 | if (! ieee_write_2bytes (info, (int) ieee_atn_record_enum) |
| 7381 | || ! ieee_write_number (info, info->lineno_name_indx) |
| 7382 | || ! ieee_write_number (info, 0) |
| 7383 | || ! ieee_write_number (info, 7) |
| 7384 | || ! ieee_write_number (info, info->pending_lineno) |
| 7385 | || ! ieee_write_number (info, 0) |
| 7386 | || ! ieee_write_asn (info, info->lineno_name_indx, |
| 7387 | info->pending_lineno_addr)) |
| 7388 | return FALSE; |
| 7389 | } |
| 7390 | |
| 7391 | info->pending_lineno_filename = filename; |
| 7392 | info->pending_lineno = lineno; |
| 7393 | info->pending_lineno_addr = addr; |
| 7394 | |
| 7395 | return TRUE; |
| 7396 | } |