| 1 | /* *INDENT-OFF* */ /* ATTRIBUTE_PRINTF confuses indent, avoid running it |
| 2 | for now. */ |
| 3 | /* Basic, host-specific, and target-specific definitions for GDB. |
| 4 | Copyright (C) 1986, 1988-2005, 2007-2012 Free Software Foundation, |
| 5 | Inc. |
| 6 | |
| 7 | This file is part of GDB. |
| 8 | |
| 9 | This program is free software; you can redistribute it and/or modify |
| 10 | it under the terms of the GNU General Public License as published by |
| 11 | the Free Software Foundation; either version 3 of the License, or |
| 12 | (at your option) any later version. |
| 13 | |
| 14 | This program is distributed in the hope that it will be useful, |
| 15 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | GNU General Public License for more details. |
| 18 | |
| 19 | You should have received a copy of the GNU General Public License |
| 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 21 | |
| 22 | #ifndef DEFS_H |
| 23 | #define DEFS_H |
| 24 | |
| 25 | #ifdef GDBSERVER |
| 26 | # error gdbserver should not include gdb/defs.h |
| 27 | #endif |
| 28 | |
| 29 | #include "config.h" /* Generated by configure. */ |
| 30 | #include "build-gnulib/config.h" |
| 31 | |
| 32 | #include <sys/types.h> |
| 33 | #include <stdio.h> |
| 34 | #include <errno.h> /* System call error return status. */ |
| 35 | #include <limits.h> |
| 36 | #include <stdint.h> |
| 37 | |
| 38 | /* The libdecnumber library, on which GDB depends, includes a header file |
| 39 | called gstdint.h instead of relying directly on stdint.h. GDB, on the |
| 40 | other hand, includes stdint.h directly, relying on the fact that gnulib |
| 41 | generates a copy if the system doesn't provide one or if it is missing |
| 42 | some features. Unfortunately, gstdint.h and stdint.h cannot be included |
| 43 | at the same time, which may happen when we include a file from |
| 44 | libdecnumber. |
| 45 | |
| 46 | The following macro definition effectively prevents the inclusion of |
| 47 | gstdint.h, as all the definitions it provides are guarded against |
| 48 | the GCC_GENERATED_STDINT_H macro. We already have gnulib/stdint.h |
| 49 | included, so it's ok to blank out gstdint.h. */ |
| 50 | #define GCC_GENERATED_STDINT_H 1 |
| 51 | |
| 52 | #ifdef HAVE_STDDEF_H |
| 53 | #include <stddef.h> |
| 54 | #endif |
| 55 | |
| 56 | #ifdef HAVE_UNISTD_H |
| 57 | #include <unistd.h> |
| 58 | #endif |
| 59 | |
| 60 | #include <fcntl.h> |
| 61 | |
| 62 | /* First include ansidecl.h so we can use the various macro definitions |
| 63 | here and in all subsequent file inclusions. */ |
| 64 | |
| 65 | #include "ansidecl.h" |
| 66 | |
| 67 | #include "gdb_locale.h" |
| 68 | |
| 69 | #include "gdb_wchar.h" |
| 70 | |
| 71 | /* For ``enum gdb_signal''. */ |
| 72 | #include "gdb/signals.h" |
| 73 | |
| 74 | #include "ui-file.h" |
| 75 | |
| 76 | #include "host-defs.h" |
| 77 | |
| 78 | /* Just in case they're not defined in stdio.h. */ |
| 79 | |
| 80 | #ifndef SEEK_SET |
| 81 | #define SEEK_SET 0 |
| 82 | #endif |
| 83 | #ifndef SEEK_CUR |
| 84 | #define SEEK_CUR 1 |
| 85 | #endif |
| 86 | |
| 87 | /* The O_BINARY flag is defined in fcntl.h on some non-Posix platforms. |
| 88 | It is used as an access modifier in calls to open(), where it acts |
| 89 | similarly to the "b" character in fopen()'s MODE argument. On Posix |
| 90 | platforms it should be a no-op, so it is defined as 0 here. This |
| 91 | ensures that the symbol may be used freely elsewhere in gdb. */ |
| 92 | |
| 93 | #ifndef O_BINARY |
| 94 | #define O_BINARY 0 |
| 95 | #endif |
| 96 | |
| 97 | #include <stdarg.h> /* For va_list. */ |
| 98 | |
| 99 | #include "libiberty.h" |
| 100 | #include "hashtab.h" |
| 101 | |
| 102 | /* Rather than duplicate all the logic in BFD for figuring out what |
| 103 | types to use (which can be pretty complicated), symply define them |
| 104 | in terms of the corresponding type from BFD. */ |
| 105 | |
| 106 | #include "bfd.h" |
| 107 | |
| 108 | /* A byte from the program being debugged. */ |
| 109 | typedef bfd_byte gdb_byte; |
| 110 | |
| 111 | /* An address in the program being debugged. Host byte order. */ |
| 112 | typedef bfd_vma CORE_ADDR; |
| 113 | |
| 114 | /* The largest CORE_ADDR value. */ |
| 115 | #define CORE_ADDR_MAX (~ (CORE_ADDR) 0) |
| 116 | |
| 117 | /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */ |
| 118 | |
| 119 | #ifndef LONGEST |
| 120 | |
| 121 | #ifdef BFD64 |
| 122 | |
| 123 | #define LONGEST BFD_HOST_64_BIT |
| 124 | #define ULONGEST BFD_HOST_U_64_BIT |
| 125 | |
| 126 | #else /* No BFD64 */ |
| 127 | |
| 128 | #ifdef CC_HAS_LONG_LONG |
| 129 | #define LONGEST long long |
| 130 | #define ULONGEST unsigned long long |
| 131 | #else |
| 132 | #ifdef BFD_HOST_64_BIT |
| 133 | /* BFD_HOST_64_BIT is defined for some hosts that don't have long long |
| 134 | (e.g. i386-windows) so try it. */ |
| 135 | #define LONGEST BFD_HOST_64_BIT |
| 136 | #define ULONGEST BFD_HOST_U_64_BIT |
| 137 | #else |
| 138 | #define LONGEST long |
| 139 | #define ULONGEST unsigned long |
| 140 | #endif |
| 141 | #endif |
| 142 | |
| 143 | #endif /* No BFD64 */ |
| 144 | |
| 145 | #endif /* ! LONGEST */ |
| 146 | |
| 147 | #ifndef min |
| 148 | #define min(a, b) ((a) < (b) ? (a) : (b)) |
| 149 | #endif |
| 150 | #ifndef max |
| 151 | #define max(a, b) ((a) > (b) ? (a) : (b)) |
| 152 | #endif |
| 153 | |
| 154 | #include "ptid.h" |
| 155 | |
| 156 | /* Enable xdb commands if set. */ |
| 157 | extern int xdb_commands; |
| 158 | |
| 159 | /* Enable dbx commands if set. */ |
| 160 | extern int dbx_commands; |
| 161 | |
| 162 | /* System root path, used to find libraries etc. */ |
| 163 | extern char *gdb_sysroot; |
| 164 | |
| 165 | /* GDB datadir, used to store data files. */ |
| 166 | extern char *gdb_datadir; |
| 167 | |
| 168 | /* If non-NULL, the possibly relocated path to python's "lib" directory |
| 169 | specified with --with-python. */ |
| 170 | extern char *python_libdir; |
| 171 | |
| 172 | /* Search path for separate debug files. */ |
| 173 | extern char *debug_file_directory; |
| 174 | |
| 175 | /* GDB has two methods for handling SIGINT. When immediate_quit is |
| 176 | nonzero, a SIGINT results in an immediate longjmp out of the signal |
| 177 | handler. Otherwise, SIGINT simply sets a flag; code that might |
| 178 | take a long time, and which ought to be interruptible, checks this |
| 179 | flag using the QUIT macro. |
| 180 | |
| 181 | If GDB is built with Python support, it uses Python's low-level |
| 182 | interface to implement the flag. This approach makes it possible |
| 183 | for Python and GDB SIGINT handling to coexist seamlessly. |
| 184 | |
| 185 | If GDB is built without Python, it instead uses its traditional |
| 186 | variables. */ |
| 187 | |
| 188 | /* Clear the quit flag. */ |
| 189 | extern void clear_quit_flag (void); |
| 190 | /* Evaluate to non-zero if the quit flag is set, zero otherwise. This |
| 191 | will clear the quit flag as a side effect. */ |
| 192 | extern int check_quit_flag (void); |
| 193 | /* Set the quit flag. */ |
| 194 | extern void set_quit_flag (void); |
| 195 | |
| 196 | extern int immediate_quit; |
| 197 | |
| 198 | extern void quit (void); |
| 199 | |
| 200 | /* FIXME: cagney/2000-03-13: It has been suggested that the peformance |
| 201 | benefits of having a ``QUIT'' macro rather than a function are |
| 202 | marginal. If the overhead of a QUIT function call is proving |
| 203 | significant then its calling frequency should probably be reduced |
| 204 | [kingdon]. A profile analyzing the current situtation is |
| 205 | needed. */ |
| 206 | |
| 207 | #define QUIT { \ |
| 208 | if (check_quit_flag ()) quit (); \ |
| 209 | if (deprecated_interactive_hook) deprecated_interactive_hook (); \ |
| 210 | } |
| 211 | |
| 212 | /* Languages represented in the symbol table and elsewhere. |
| 213 | This should probably be in language.h, but since enum's can't |
| 214 | be forward declared to satisfy opaque references before their |
| 215 | actual definition, needs to be here. */ |
| 216 | |
| 217 | enum language |
| 218 | { |
| 219 | language_unknown, /* Language not known */ |
| 220 | language_auto, /* Placeholder for automatic setting */ |
| 221 | language_c, /* C */ |
| 222 | language_cplus, /* C++ */ |
| 223 | language_d, /* D */ |
| 224 | language_go, /* Go */ |
| 225 | language_objc, /* Objective-C */ |
| 226 | language_java, /* Java */ |
| 227 | language_fortran, /* Fortran */ |
| 228 | language_m2, /* Modula-2 */ |
| 229 | language_asm, /* Assembly language */ |
| 230 | language_pascal, /* Pascal */ |
| 231 | language_ada, /* Ada */ |
| 232 | language_opencl, /* OpenCL */ |
| 233 | language_minimal, /* All other languages, minimal support only */ |
| 234 | nr_languages |
| 235 | }; |
| 236 | |
| 237 | enum precision_type |
| 238 | { |
| 239 | single_precision, |
| 240 | double_precision, |
| 241 | unspecified_precision |
| 242 | }; |
| 243 | |
| 244 | /* A generic, not quite boolean, enumeration. */ |
| 245 | enum auto_boolean |
| 246 | { |
| 247 | AUTO_BOOLEAN_TRUE, |
| 248 | AUTO_BOOLEAN_FALSE, |
| 249 | AUTO_BOOLEAN_AUTO |
| 250 | }; |
| 251 | |
| 252 | /* Potential ways that a function can return a value of a given type. */ |
| 253 | enum return_value_convention |
| 254 | { |
| 255 | /* Where the return value has been squeezed into one or more |
| 256 | registers. */ |
| 257 | RETURN_VALUE_REGISTER_CONVENTION, |
| 258 | /* Commonly known as the "struct return convention". The caller |
| 259 | passes an additional hidden first parameter to the caller. That |
| 260 | parameter contains the address at which the value being returned |
| 261 | should be stored. While typically, and historically, used for |
| 262 | large structs, this is convention is applied to values of many |
| 263 | different types. */ |
| 264 | RETURN_VALUE_STRUCT_CONVENTION, |
| 265 | /* Like the "struct return convention" above, but where the ABI |
| 266 | guarantees that the called function stores the address at which |
| 267 | the value being returned is stored in a well-defined location, |
| 268 | such as a register or memory slot in the stack frame. Don't use |
| 269 | this if the ABI doesn't explicitly guarantees this. */ |
| 270 | RETURN_VALUE_ABI_RETURNS_ADDRESS, |
| 271 | /* Like the "struct return convention" above, but where the ABI |
| 272 | guarantees that the address at which the value being returned is |
| 273 | stored will be available in a well-defined location, such as a |
| 274 | register or memory slot in the stack frame. Don't use this if |
| 275 | the ABI doesn't explicitly guarantees this. */ |
| 276 | RETURN_VALUE_ABI_PRESERVES_ADDRESS, |
| 277 | }; |
| 278 | |
| 279 | /* Needed for various prototypes */ |
| 280 | |
| 281 | struct symtab; |
| 282 | struct breakpoint; |
| 283 | struct frame_info; |
| 284 | struct gdbarch; |
| 285 | struct value; |
| 286 | |
| 287 | /* From main.c. */ |
| 288 | |
| 289 | /* This really belong in utils.c (path-utils.c?), but it references some |
| 290 | globals that are currently only available to main.c. */ |
| 291 | extern char *relocate_gdb_directory (const char *initial, int flag); |
| 292 | |
| 293 | \f |
| 294 | /* Annotation stuff. */ |
| 295 | |
| 296 | extern int annotation_level; /* in stack.c */ |
| 297 | \f |
| 298 | |
| 299 | /* From regex.c or libc. BSD 4.4 declares this with the argument type as |
| 300 | "const char *" in unistd.h, so we can't declare the argument |
| 301 | as "char *". */ |
| 302 | |
| 303 | extern char *re_comp (const char *); |
| 304 | |
| 305 | /* From symfile.c */ |
| 306 | |
| 307 | extern void symbol_file_command (char *, int); |
| 308 | |
| 309 | /* Remote targets may wish to use this as their load function. */ |
| 310 | extern void generic_load (char *name, int from_tty); |
| 311 | |
| 312 | /* Report on STREAM the performance of memory transfer operation, |
| 313 | such as 'load'. |
| 314 | DATA_COUNT is the number of bytes transferred. |
| 315 | WRITE_COUNT is the number of separate write operations, or 0, |
| 316 | if that information is not available. |
| 317 | START_TIME is the time at which an operation was started. |
| 318 | END_TIME is the time at which an operation ended. */ |
| 319 | struct timeval; |
| 320 | extern void print_transfer_performance (struct ui_file *stream, |
| 321 | unsigned long data_count, |
| 322 | unsigned long write_count, |
| 323 | const struct timeval *start_time, |
| 324 | const struct timeval *end_time); |
| 325 | |
| 326 | /* From top.c */ |
| 327 | |
| 328 | typedef void initialize_file_ftype (void); |
| 329 | |
| 330 | extern char *skip_quoted (char *); |
| 331 | |
| 332 | extern char *gdb_readline (char *); |
| 333 | |
| 334 | extern char *gdb_readline_wrapper (char *); |
| 335 | |
| 336 | extern char *command_line_input (char *, int, char *); |
| 337 | |
| 338 | extern void print_prompt (void); |
| 339 | |
| 340 | extern int input_from_terminal_p (void); |
| 341 | |
| 342 | extern int info_verbose; |
| 343 | |
| 344 | /* From printcmd.c */ |
| 345 | |
| 346 | extern void set_next_address (struct gdbarch *, CORE_ADDR); |
| 347 | |
| 348 | extern int print_address_symbolic (struct gdbarch *, CORE_ADDR, |
| 349 | struct ui_file *, int, char *); |
| 350 | |
| 351 | extern int build_address_symbolic (struct gdbarch *, |
| 352 | CORE_ADDR addr, |
| 353 | int do_demangle, |
| 354 | char **name, |
| 355 | int *offset, |
| 356 | char **filename, |
| 357 | int *line, |
| 358 | int *unmapped); |
| 359 | |
| 360 | extern void print_address (struct gdbarch *, CORE_ADDR, struct ui_file *); |
| 361 | extern const char *pc_prefix (CORE_ADDR); |
| 362 | |
| 363 | /* From source.c */ |
| 364 | |
| 365 | #define OPF_TRY_CWD_FIRST 0x01 |
| 366 | #define OPF_SEARCH_IN_PATH 0x02 |
| 367 | |
| 368 | extern int openp (const char *, int, const char *, int, char **); |
| 369 | |
| 370 | extern int source_full_path_of (const char *, char **); |
| 371 | |
| 372 | extern void mod_path (char *, char **); |
| 373 | |
| 374 | extern void add_path (char *, char **, int); |
| 375 | |
| 376 | extern void directory_command (char *, int); |
| 377 | |
| 378 | extern void directory_switch (char *, int); |
| 379 | |
| 380 | extern char *source_path; |
| 381 | |
| 382 | extern void init_source_path (void); |
| 383 | |
| 384 | /* From exec.c */ |
| 385 | |
| 386 | /* Process memory area starting at ADDR with length SIZE. Area is readable iff |
| 387 | READ is non-zero, writable if WRITE is non-zero, executable if EXEC is |
| 388 | non-zero. Area is possibly changed against its original file based copy if |
| 389 | MODIFIED is non-zero. DATA is passed without changes from a caller. */ |
| 390 | |
| 391 | typedef int (*find_memory_region_ftype) (CORE_ADDR addr, unsigned long size, |
| 392 | int read, int write, int exec, |
| 393 | int modified, void *data); |
| 394 | |
| 395 | /* Take over the 'find_mapped_memory' vector from exec.c. */ |
| 396 | extern void exec_set_find_memory_regions |
| 397 | (int (*func) (find_memory_region_ftype func, void *data)); |
| 398 | |
| 399 | /* Possible lvalue types. Like enum language, this should be in |
| 400 | value.h, but needs to be here for the same reason. */ |
| 401 | |
| 402 | enum lval_type |
| 403 | { |
| 404 | /* Not an lval. */ |
| 405 | not_lval, |
| 406 | /* In memory. */ |
| 407 | lval_memory, |
| 408 | /* In a register. Registers are relative to a frame. */ |
| 409 | lval_register, |
| 410 | /* In a gdb internal variable. */ |
| 411 | lval_internalvar, |
| 412 | /* Part of a gdb internal variable (structure field). */ |
| 413 | lval_internalvar_component, |
| 414 | /* Value's bits are fetched and stored using functions provided by |
| 415 | its creator. */ |
| 416 | lval_computed |
| 417 | }; |
| 418 | |
| 419 | /* Control types for commands */ |
| 420 | |
| 421 | enum misc_command_type |
| 422 | { |
| 423 | ok_command, |
| 424 | end_command, |
| 425 | else_command, |
| 426 | nop_command |
| 427 | }; |
| 428 | |
| 429 | enum command_control_type |
| 430 | { |
| 431 | simple_control, |
| 432 | break_control, |
| 433 | continue_control, |
| 434 | while_control, |
| 435 | if_control, |
| 436 | commands_control, |
| 437 | python_control, |
| 438 | while_stepping_control, |
| 439 | invalid_control |
| 440 | }; |
| 441 | |
| 442 | /* Structure for saved commands lines |
| 443 | (for breakpoints, defined commands, etc). */ |
| 444 | |
| 445 | struct command_line |
| 446 | { |
| 447 | struct command_line *next; |
| 448 | char *line; |
| 449 | enum command_control_type control_type; |
| 450 | /* The number of elements in body_list. */ |
| 451 | int body_count; |
| 452 | /* For composite commands, the nested lists of commands. For |
| 453 | example, for "if" command this will contain the then branch and |
| 454 | the else branch, if that is available. */ |
| 455 | struct command_line **body_list; |
| 456 | }; |
| 457 | |
| 458 | extern struct command_line *read_command_lines (char *, int, int, |
| 459 | void (*)(char *, void *), |
| 460 | void *); |
| 461 | extern struct command_line *read_command_lines_1 (char * (*) (void), int, |
| 462 | void (*)(char *, void *), |
| 463 | void *); |
| 464 | |
| 465 | extern void free_command_lines (struct command_line **); |
| 466 | |
| 467 | /* Parameters of the "info proc" command. */ |
| 468 | |
| 469 | enum info_proc_what |
| 470 | { |
| 471 | /* Display the default cmdline, cwd and exe outputs. */ |
| 472 | IP_MINIMAL, |
| 473 | |
| 474 | /* Display `info proc mappings'. */ |
| 475 | IP_MAPPINGS, |
| 476 | |
| 477 | /* Display `info proc status'. */ |
| 478 | IP_STATUS, |
| 479 | |
| 480 | /* Display `info proc stat'. */ |
| 481 | IP_STAT, |
| 482 | |
| 483 | /* Display `info proc cmdline'. */ |
| 484 | IP_CMDLINE, |
| 485 | |
| 486 | /* Display `info proc exe'. */ |
| 487 | IP_EXE, |
| 488 | |
| 489 | /* Display `info proc cwd'. */ |
| 490 | IP_CWD, |
| 491 | |
| 492 | /* Display all of the above. */ |
| 493 | IP_ALL |
| 494 | }; |
| 495 | |
| 496 | /* String containing the current directory (what getwd would return). */ |
| 497 | |
| 498 | extern char *current_directory; |
| 499 | |
| 500 | /* Default radixes for input and output. Only some values supported. */ |
| 501 | extern unsigned input_radix; |
| 502 | extern unsigned output_radix; |
| 503 | |
| 504 | /* Possibilities for prettyprint parameters to routines which print |
| 505 | things. Like enum language, this should be in value.h, but needs |
| 506 | to be here for the same reason. FIXME: If we can eliminate this |
| 507 | as an arg to LA_VAL_PRINT, then we can probably move it back to |
| 508 | value.h. */ |
| 509 | |
| 510 | enum val_prettyprint |
| 511 | { |
| 512 | Val_no_prettyprint = 0, |
| 513 | Val_prettyprint, |
| 514 | /* Use the default setting which the user has specified. */ |
| 515 | Val_pretty_default |
| 516 | }; |
| 517 | |
| 518 | /* Optional native machine support. Non-native (and possibly pure |
| 519 | multi-arch) targets do not need a "nm.h" file. This will be a |
| 520 | symlink to one of the nm-*.h files, built by the `configure' |
| 521 | script. */ |
| 522 | |
| 523 | #ifdef GDB_NM_FILE |
| 524 | #include "nm.h" |
| 525 | #endif |
| 526 | |
| 527 | /* Assume that fopen accepts the letter "b" in the mode string. |
| 528 | It is demanded by ISO C9X, and should be supported on all |
| 529 | platforms that claim to have a standard-conforming C library. On |
| 530 | true POSIX systems it will be ignored and have no effect. There |
| 531 | may still be systems without a standard-conforming C library where |
| 532 | an ISO C9X compiler (GCC) is available. Known examples are SunOS |
| 533 | 4.x and 4.3BSD. This assumption means these systems are no longer |
| 534 | supported. */ |
| 535 | #ifndef FOPEN_RB |
| 536 | # include "fopen-bin.h" |
| 537 | #endif |
| 538 | |
| 539 | /* Defaults for system-wide constants (if not defined by xm.h, we fake it). |
| 540 | FIXME: Assumes 2's complement arithmetic. */ |
| 541 | |
| 542 | #if !defined (UINT_MAX) |
| 543 | #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */ |
| 544 | #endif |
| 545 | |
| 546 | #if !defined (INT_MAX) |
| 547 | #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */ |
| 548 | #endif |
| 549 | |
| 550 | #if !defined (INT_MIN) |
| 551 | #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */ |
| 552 | #endif |
| 553 | |
| 554 | #if !defined (ULONG_MAX) |
| 555 | #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */ |
| 556 | #endif |
| 557 | |
| 558 | #if !defined (LONG_MAX) |
| 559 | #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */ |
| 560 | #endif |
| 561 | |
| 562 | #if !defined (ULONGEST_MAX) |
| 563 | #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */ |
| 564 | #endif |
| 565 | |
| 566 | #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */ |
| 567 | #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1)) |
| 568 | #endif |
| 569 | |
| 570 | /* Convert a LONGEST to an int. This is used in contexts (e.g. number of |
| 571 | arguments to a function, number in a value history, register number, etc.) |
| 572 | where the value must not be larger than can fit in an int. */ |
| 573 | |
| 574 | extern int longest_to_int (LONGEST); |
| 575 | |
| 576 | /* Utility macros to allocate typed memory. Avoids errors like: |
| 577 | struct foo *foo = xmalloc (sizeof struct bar); and memset (foo, |
| 578 | sizeof (struct foo), 0). */ |
| 579 | #define XZALLOC(TYPE) ((TYPE*) xzalloc (sizeof (TYPE))) |
| 580 | #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE))) |
| 581 | #define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE))) |
| 582 | |
| 583 | #include "common-utils.h" |
| 584 | |
| 585 | /* List of known OS ABIs. If you change this, make sure to update the |
| 586 | table in osabi.c. */ |
| 587 | enum gdb_osabi |
| 588 | { |
| 589 | GDB_OSABI_UNINITIALIZED = -1, /* For struct gdbarch_info. */ |
| 590 | |
| 591 | GDB_OSABI_UNKNOWN = 0, /* keep this zero */ |
| 592 | |
| 593 | GDB_OSABI_SVR4, |
| 594 | GDB_OSABI_HURD, |
| 595 | GDB_OSABI_SOLARIS, |
| 596 | GDB_OSABI_OSF1, |
| 597 | GDB_OSABI_LINUX, |
| 598 | GDB_OSABI_FREEBSD_AOUT, |
| 599 | GDB_OSABI_FREEBSD_ELF, |
| 600 | GDB_OSABI_NETBSD_AOUT, |
| 601 | GDB_OSABI_NETBSD_ELF, |
| 602 | GDB_OSABI_OPENBSD_ELF, |
| 603 | GDB_OSABI_WINCE, |
| 604 | GDB_OSABI_GO32, |
| 605 | GDB_OSABI_IRIX, |
| 606 | GDB_OSABI_INTERIX, |
| 607 | GDB_OSABI_HPUX_ELF, |
| 608 | GDB_OSABI_HPUX_SOM, |
| 609 | GDB_OSABI_QNXNTO, |
| 610 | GDB_OSABI_CYGWIN, |
| 611 | GDB_OSABI_AIX, |
| 612 | GDB_OSABI_DICOS, |
| 613 | GDB_OSABI_DARWIN, |
| 614 | GDB_OSABI_SYMBIAN, |
| 615 | GDB_OSABI_OPENVMS, |
| 616 | |
| 617 | GDB_OSABI_INVALID /* keep this last */ |
| 618 | }; |
| 619 | |
| 620 | /* Global functions from other, non-gdb GNU thingies. |
| 621 | Libiberty thingies are no longer declared here. We include libiberty.h |
| 622 | above, instead. */ |
| 623 | |
| 624 | /* From other system libraries */ |
| 625 | |
| 626 | #ifdef HAVE_STDDEF_H |
| 627 | #include <stddef.h> |
| 628 | #endif |
| 629 | |
| 630 | #ifdef HAVE_STDLIB_H |
| 631 | #include <stdlib.h> |
| 632 | #endif |
| 633 | #ifndef min |
| 634 | #define min(a, b) ((a) < (b) ? (a) : (b)) |
| 635 | #endif |
| 636 | #ifndef max |
| 637 | #define max(a, b) ((a) > (b) ? (a) : (b)) |
| 638 | #endif |
| 639 | |
| 640 | |
| 641 | #ifndef atof |
| 642 | extern double atof (const char *); /* X3.159-1989 4.10.1.1 */ |
| 643 | #endif |
| 644 | |
| 645 | /* Various possibilities for alloca. */ |
| 646 | #ifndef alloca |
| 647 | #ifdef __GNUC__ |
| 648 | #define alloca __builtin_alloca |
| 649 | #else /* Not GNU C */ |
| 650 | #ifdef HAVE_ALLOCA_H |
| 651 | #include <alloca.h> |
| 652 | #else |
| 653 | #ifdef _AIX |
| 654 | #pragma alloca |
| 655 | #else |
| 656 | |
| 657 | /* We need to be careful not to declare this in a way which conflicts with |
| 658 | bison. Bison never declares it as char *, but under various circumstances |
| 659 | (like __hpux) we need to use void *. */ |
| 660 | extern void *alloca (); |
| 661 | #endif /* Not _AIX */ |
| 662 | #endif /* Not HAVE_ALLOCA_H */ |
| 663 | #endif /* Not GNU C */ |
| 664 | #endif /* alloca not defined */ |
| 665 | |
| 666 | /* Dynamic target-system-dependent parameters for GDB. */ |
| 667 | #include "gdbarch.h" |
| 668 | |
| 669 | /* Maximum size of a register. Something small, but large enough for |
| 670 | all known ISAs. If it turns out to be too small, make it bigger. */ |
| 671 | |
| 672 | enum { MAX_REGISTER_SIZE = 64 }; |
| 673 | |
| 674 | /* Static target-system-dependent parameters for GDB. */ |
| 675 | |
| 676 | /* Number of bits in a char or unsigned char for the target machine. |
| 677 | Just like CHAR_BIT in <limits.h> but describes the target machine. */ |
| 678 | #if !defined (TARGET_CHAR_BIT) |
| 679 | #define TARGET_CHAR_BIT 8 |
| 680 | #endif |
| 681 | |
| 682 | /* If we picked up a copy of CHAR_BIT from a configuration file |
| 683 | (which may get it by including <limits.h>) then use it to set |
| 684 | the number of bits in a host char. If not, use the same size |
| 685 | as the target. */ |
| 686 | |
| 687 | #if defined (CHAR_BIT) |
| 688 | #define HOST_CHAR_BIT CHAR_BIT |
| 689 | #else |
| 690 | #define HOST_CHAR_BIT TARGET_CHAR_BIT |
| 691 | #endif |
| 692 | |
| 693 | /* In findvar.c. */ |
| 694 | |
| 695 | extern LONGEST extract_signed_integer (const gdb_byte *, int, |
| 696 | enum bfd_endian); |
| 697 | |
| 698 | extern ULONGEST extract_unsigned_integer (const gdb_byte *, int, |
| 699 | enum bfd_endian); |
| 700 | |
| 701 | extern int extract_long_unsigned_integer (const gdb_byte *, int, |
| 702 | enum bfd_endian, LONGEST *); |
| 703 | |
| 704 | extern CORE_ADDR extract_typed_address (const gdb_byte *buf, |
| 705 | struct type *type); |
| 706 | |
| 707 | extern void store_signed_integer (gdb_byte *, int, |
| 708 | enum bfd_endian, LONGEST); |
| 709 | |
| 710 | extern void store_unsigned_integer (gdb_byte *, int, |
| 711 | enum bfd_endian, ULONGEST); |
| 712 | |
| 713 | extern void store_typed_address (gdb_byte *buf, struct type *type, |
| 714 | CORE_ADDR addr); |
| 715 | |
| 716 | \f |
| 717 | /* From valops.c */ |
| 718 | |
| 719 | extern int watchdog; |
| 720 | |
| 721 | /* Hooks for alternate command interfaces. */ |
| 722 | |
| 723 | /* The name of the interpreter if specified on the command line. */ |
| 724 | extern char *interpreter_p; |
| 725 | |
| 726 | /* If a given interpreter matches INTERPRETER_P then it should update |
| 727 | deprecated_command_loop_hook and deprecated_init_ui_hook with the |
| 728 | per-interpreter implementation. */ |
| 729 | /* FIXME: deprecated_command_loop_hook and deprecated_init_ui_hook |
| 730 | should be moved here. */ |
| 731 | |
| 732 | struct target_waitstatus; |
| 733 | struct cmd_list_element; |
| 734 | |
| 735 | extern void (*deprecated_pre_add_symbol_hook) (const char *); |
| 736 | extern void (*deprecated_post_add_symbol_hook) (void); |
| 737 | extern void (*selected_frame_level_changed_hook) (int); |
| 738 | extern int (*deprecated_ui_loop_hook) (int signo); |
| 739 | extern void (*deprecated_init_ui_hook) (char *argv0); |
| 740 | extern void (*deprecated_command_loop_hook) (void); |
| 741 | extern void (*deprecated_show_load_progress) (const char *section, |
| 742 | unsigned long section_sent, |
| 743 | unsigned long section_size, |
| 744 | unsigned long total_sent, |
| 745 | unsigned long total_size); |
| 746 | extern void (*deprecated_print_frame_info_listing_hook) (struct symtab * s, |
| 747 | int line, |
| 748 | int stopline, |
| 749 | int noerror); |
| 750 | extern int (*deprecated_query_hook) (const char *, va_list) |
| 751 | ATTRIBUTE_FPTR_PRINTF(1,0); |
| 752 | extern void (*deprecated_warning_hook) (const char *, va_list) |
| 753 | ATTRIBUTE_FPTR_PRINTF(1,0); |
| 754 | extern void (*deprecated_flush_hook) (struct ui_file * stream); |
| 755 | extern void (*deprecated_interactive_hook) (void); |
| 756 | extern void (*deprecated_readline_begin_hook) (char *, ...) |
| 757 | ATTRIBUTE_FPTR_PRINTF_1; |
| 758 | extern char *(*deprecated_readline_hook) (char *); |
| 759 | extern void (*deprecated_readline_end_hook) (void); |
| 760 | extern void (*deprecated_register_changed_hook) (int regno); |
| 761 | extern void (*deprecated_context_hook) (int); |
| 762 | extern ptid_t (*deprecated_target_wait_hook) (ptid_t ptid, |
| 763 | struct target_waitstatus *status, |
| 764 | int options); |
| 765 | |
| 766 | extern void (*deprecated_attach_hook) (void); |
| 767 | extern void (*deprecated_detach_hook) (void); |
| 768 | extern void (*deprecated_call_command_hook) (struct cmd_list_element * c, |
| 769 | char *cmd, int from_tty); |
| 770 | |
| 771 | extern void (*deprecated_set_hook) (struct cmd_list_element * c); |
| 772 | |
| 773 | extern int (*deprecated_ui_load_progress_hook) (const char *section, |
| 774 | unsigned long num); |
| 775 | |
| 776 | /* Inhibit window interface if non-zero. */ |
| 777 | |
| 778 | extern int use_windows; |
| 779 | |
| 780 | /* Provide default definitions of PIDGET, TIDGET, and MERGEPID. |
| 781 | The name ``TIDGET'' is a historical accident. Many uses of TIDGET |
| 782 | in the code actually refer to a lightweight process id, i.e, |
| 783 | something that can be considered a process id in its own right for |
| 784 | certain purposes. */ |
| 785 | |
| 786 | #ifndef PIDGET |
| 787 | #define PIDGET(PTID) (ptid_get_pid (PTID)) |
| 788 | #define TIDGET(PTID) (ptid_get_lwp (PTID)) |
| 789 | #define MERGEPID(PID, TID) ptid_build (PID, TID, 0) |
| 790 | #endif |
| 791 | |
| 792 | /* Define well known filenos if the system does not define them. */ |
| 793 | #ifndef STDIN_FILENO |
| 794 | #define STDIN_FILENO 0 |
| 795 | #endif |
| 796 | #ifndef STDOUT_FILENO |
| 797 | #define STDOUT_FILENO 1 |
| 798 | #endif |
| 799 | #ifndef STDERR_FILENO |
| 800 | #define STDERR_FILENO 2 |
| 801 | #endif |
| 802 | |
| 803 | /* If this definition isn't overridden by the header files, assume |
| 804 | that isatty and fileno exist on this system. */ |
| 805 | #ifndef ISATTY |
| 806 | #define ISATTY(FP) (isatty (fileno (FP))) |
| 807 | #endif |
| 808 | |
| 809 | /* A width that can achieve a better legibility for GDB MI mode. */ |
| 810 | #define GDB_MI_MSG_WIDTH 80 |
| 811 | |
| 812 | /* From progspace.c */ |
| 813 | |
| 814 | extern void initialize_progspace (void); |
| 815 | extern void initialize_inferiors (void); |
| 816 | |
| 817 | /* Special block numbers */ |
| 818 | |
| 819 | enum block_enum |
| 820 | { |
| 821 | GLOBAL_BLOCK = 0, |
| 822 | STATIC_BLOCK = 1, |
| 823 | FIRST_LOCAL_BLOCK = 2 |
| 824 | }; |
| 825 | |
| 826 | #include "utils.h" |
| 827 | |
| 828 | #endif /* #ifndef DEFS_H */ |