Commit | Line | Data |
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a85d7ed0 | 1 | /* tc-s390.c -- Assemble for the S390 |
b90efa5b | 2 | Copyright (C) 2000-2015 Free Software Foundation, Inc. |
a85d7ed0 NC |
3 | Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). |
4 | ||
5 | This file is part of GAS, the GNU Assembler. | |
6 | ||
7 | GAS is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
ec2655a6 | 9 | the Free Software Foundation; either version 3, or (at your option) |
a85d7ed0 NC |
10 | any later version. |
11 | ||
12 | GAS 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 GAS; see the file COPYING. If not, write to the Free | |
4b4da160 NC |
19 | Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA |
20 | 02110-1301, USA. */ | |
a85d7ed0 | 21 | |
a85d7ed0 | 22 | #include "as.h" |
3882b010 | 23 | #include "safe-ctype.h" |
a85d7ed0 NC |
24 | #include "subsegs.h" |
25 | #include "struc-symbol.h" | |
a161fe53 | 26 | #include "dwarf2dbg.h" |
75e21f08 | 27 | #include "dw2gencfi.h" |
a85d7ed0 NC |
28 | |
29 | #include "opcode/s390.h" | |
30 | #include "elf/s390.h" | |
31 | ||
16a419ba | 32 | /* The default architecture. */ |
a85d7ed0 NC |
33 | #ifndef DEFAULT_ARCH |
34 | #define DEFAULT_ARCH "s390" | |
35 | #endif | |
36 | static char *default_arch = DEFAULT_ARCH; | |
37 | /* Either 32 or 64, selects file format. */ | |
37a58793 MS |
38 | static int s390_arch_size = 0; |
39 | ||
1e8766d7 AK |
40 | /* If no -march option was given default to the highest available CPU. |
41 | Since with S/390 a newer CPU always supports everything from its | |
42 | predecessors this will accept every valid asm input. */ | |
43 | static unsigned int current_cpu = S390_OPCODE_MAXCPU - 1; | |
37a58793 | 44 | static unsigned int current_mode_mask = 0; |
a85d7ed0 | 45 | |
1dd53816 AK |
46 | /* Set to TRUE if the highgprs flag in the ELF header needs to be set |
47 | for the output file. */ | |
48 | static bfd_boolean set_highgprs_p = FALSE; | |
49 | ||
b34976b6 | 50 | /* Whether to use user friendly register names. Default is TRUE. */ |
a85d7ed0 | 51 | #ifndef TARGET_REG_NAMES_P |
b34976b6 | 52 | #define TARGET_REG_NAMES_P TRUE |
a85d7ed0 NC |
53 | #endif |
54 | ||
b34976b6 | 55 | static bfd_boolean reg_names_p = TARGET_REG_NAMES_P; |
a85d7ed0 | 56 | |
16a419ba | 57 | /* Set to TRUE if we want to warn about zero base/index registers. */ |
b34976b6 | 58 | static bfd_boolean warn_areg_zero = FALSE; |
16a419ba | 59 | |
a85d7ed0 NC |
60 | /* Generic assembler global variables which must be defined by all |
61 | targets. */ | |
62 | ||
63 | const char comment_chars[] = "#"; | |
64 | ||
65 | /* Characters which start a comment at the beginning of a line. */ | |
66 | const char line_comment_chars[] = "#"; | |
67 | ||
68 | /* Characters which may be used to separate multiple commands on a | |
69 | single line. */ | |
70 | const char line_separator_chars[] = ";"; | |
71 | ||
72 | /* Characters which are used to indicate an exponent in a floating | |
73 | point number. */ | |
74 | const char EXP_CHARS[] = "eE"; | |
75 | ||
76 | /* Characters which mean that a number is a floating point constant, | |
77 | as in 0d1.0. */ | |
78 | const char FLT_CHARS[] = "dD"; | |
79 | ||
75e21f08 JJ |
80 | /* The dwarf2 data alignment, adjusted for 32 or 64 bit. */ |
81 | int s390_cie_data_alignment; | |
82 | ||
a85d7ed0 NC |
83 | /* The target specific pseudo-ops which we support. */ |
84 | ||
85 | /* Define the prototypes for the pseudo-ops */ | |
5a49b8ac AM |
86 | static void s390_byte (int); |
87 | static void s390_elf_cons (int); | |
88 | static void s390_bss (int); | |
89 | static void s390_insn (int); | |
90 | static void s390_literals (int); | |
902cc293 | 91 | static void s390_machine (int); |
1dd53816 | 92 | static void s390_machinemode (int); |
a85d7ed0 NC |
93 | |
94 | const pseudo_typeS md_pseudo_table[] = | |
95 | { | |
1dd53816 | 96 | { "align", s_align_bytes, 0 }, |
98d3f06f | 97 | /* Pseudo-ops which must be defined. */ |
1dd53816 AK |
98 | { "bss", s390_bss, 0 }, |
99 | { "insn", s390_insn, 0 }, | |
a85d7ed0 | 100 | /* Pseudo-ops which must be overridden. */ |
1dd53816 AK |
101 | { "byte", s390_byte, 0 }, |
102 | { "short", s390_elf_cons, 2 }, | |
103 | { "long", s390_elf_cons, 4 }, | |
104 | { "quad", s390_elf_cons, 8 }, | |
105 | { "ltorg", s390_literals, 0 }, | |
106 | { "string", stringer, 8 + 1 }, | |
107 | { "machine", s390_machine, 0 }, | |
108 | { "machinemode", s390_machinemode, 0 }, | |
109 | { NULL, NULL, 0 } | |
a85d7ed0 NC |
110 | }; |
111 | ||
a85d7ed0 NC |
112 | /* Given NAME, find the register number associated with that name, return |
113 | the integer value associated with the given name or -1 on failure. */ | |
114 | ||
115 | static int | |
1e2e8c52 | 116 | reg_name_search (const char *name) |
a85d7ed0 | 117 | { |
1e2e8c52 | 118 | int val = -1; |
a85d7ed0 | 119 | |
1e2e8c52 AK |
120 | if (strcasecmp (name, "lit") == 0) |
121 | return 13; | |
a85d7ed0 | 122 | |
1e2e8c52 AK |
123 | if (strcasecmp (name, "sp") == 0) |
124 | return 15; | |
125 | ||
126 | if (name[0] != 'a' && name[0] != 'c' && name[0] != 'f' | |
127 | && name[0] != 'r' && name[0] != 'v') | |
128 | return -1; | |
129 | ||
130 | if (ISDIGIT (name[1])) | |
a85d7ed0 | 131 | { |
1e2e8c52 AK |
132 | val = name[1] - '0'; |
133 | if (ISDIGIT (name[2])) | |
134 | val = val * 10 + name[2] - '0'; | |
a85d7ed0 | 135 | } |
a85d7ed0 | 136 | |
1e2e8c52 AK |
137 | if ((name[0] != 'v' && val > 15) || val > 31) |
138 | val = -1; | |
139 | ||
140 | return val; | |
a85d7ed0 NC |
141 | } |
142 | ||
143 | ||
144 | /* | |
145 | * Summary of register_name(). | |
146 | * | |
147 | * in: Input_line_pointer points to 1st char of operand. | |
148 | * | |
149 | * out: A expressionS. | |
150 | * The operand may have been a register: in this case, X_op == O_register, | |
151 | * X_add_number is set to the register number, and truth is returned. | |
152 | * Input_line_pointer->(next non-blank) char after operand, or is in its | |
153 | * original state. | |
154 | */ | |
155 | ||
b34976b6 | 156 | static bfd_boolean |
5a49b8ac | 157 | register_name (expressionS *expressionP) |
a85d7ed0 NC |
158 | { |
159 | int reg_number; | |
160 | char *name; | |
161 | char *start; | |
162 | char c; | |
163 | ||
468cced8 | 164 | /* Find the spelling of the operand. */ |
a85d7ed0 | 165 | start = name = input_line_pointer; |
3882b010 | 166 | if (name[0] == '%' && ISALPHA (name[1])) |
a85d7ed0 NC |
167 | name = ++input_line_pointer; |
168 | else | |
b34976b6 | 169 | return FALSE; |
a85d7ed0 NC |
170 | |
171 | c = get_symbol_end (); | |
1e2e8c52 | 172 | reg_number = reg_name_search (name); |
a85d7ed0 | 173 | |
468cced8 AM |
174 | /* Put back the delimiting char. */ |
175 | *input_line_pointer = c; | |
176 | ||
177 | /* Look to see if it's in the register table. */ | |
198ce79b | 178 | if (reg_number >= 0) |
a85d7ed0 NC |
179 | { |
180 | expressionP->X_op = O_register; | |
181 | expressionP->X_add_number = reg_number; | |
198ce79b | 182 | |
468cced8 | 183 | /* Make the rest nice. */ |
a85d7ed0 NC |
184 | expressionP->X_add_symbol = NULL; |
185 | expressionP->X_op_symbol = NULL; | |
b34976b6 | 186 | return TRUE; |
a85d7ed0 | 187 | } |
468cced8 AM |
188 | |
189 | /* Reset the line as if we had not done anything. */ | |
190 | input_line_pointer = start; | |
b34976b6 | 191 | return FALSE; |
a85d7ed0 NC |
192 | } |
193 | ||
194 | /* Local variables. */ | |
195 | ||
196 | /* Opformat hash table. */ | |
197 | static struct hash_control *s390_opformat_hash; | |
198 | ||
199 | /* Opcode hash table. */ | |
902cc293 | 200 | static struct hash_control *s390_opcode_hash = NULL; |
a85d7ed0 NC |
201 | |
202 | /* Flags to set in the elf header */ | |
203 | static flagword s390_flags = 0; | |
204 | ||
205 | symbolS *GOT_symbol; /* Pre-defined "_GLOBAL_OFFSET_TABLE_" */ | |
206 | ||
207 | #ifndef WORKING_DOT_WORD | |
2b4f075a HPN |
208 | int md_short_jump_size = 4; |
209 | int md_long_jump_size = 4; | |
a85d7ed0 NC |
210 | #endif |
211 | ||
5a38dc70 | 212 | const char *md_shortopts = "A:m:kVQ:"; |
a85d7ed0 NC |
213 | struct option md_longopts[] = { |
214 | {NULL, no_argument, NULL, 0} | |
215 | }; | |
07726851 | 216 | size_t md_longopts_size = sizeof (md_longopts); |
a85d7ed0 NC |
217 | |
218 | /* Initialize the default opcode arch and word size from the default | |
37a58793 | 219 | architecture name if not specified by an option. */ |
a85d7ed0 | 220 | static void |
5a49b8ac | 221 | init_default_arch (void) |
a85d7ed0 | 222 | { |
07726851 | 223 | if (strcmp (default_arch, "s390") == 0) |
07855bec | 224 | { |
37a58793 MS |
225 | if (s390_arch_size == 0) |
226 | s390_arch_size = 32; | |
07855bec | 227 | } |
07726851 | 228 | else if (strcmp (default_arch, "s390x") == 0) |
07855bec | 229 | { |
37a58793 MS |
230 | if (s390_arch_size == 0) |
231 | s390_arch_size = 64; | |
07855bec NC |
232 | } |
233 | else | |
20203fb9 | 234 | as_fatal (_("Invalid default architecture, broken assembler.")); |
df9a398f MS |
235 | |
236 | if (current_mode_mask == 0) | |
237 | { | |
1e8766d7 AK |
238 | /* Default to z/Architecture mode if the CPU supports it. */ |
239 | if (current_cpu < S390_OPCODE_Z900) | |
df9a398f MS |
240 | current_mode_mask = 1 << S390_OPCODE_ESA; |
241 | else | |
242 | current_mode_mask = 1 << S390_OPCODE_ZARCH; | |
243 | } | |
a85d7ed0 NC |
244 | } |
245 | ||
246 | /* Called by TARGET_FORMAT. */ | |
247 | const char * | |
5a49b8ac | 248 | s390_target_format (void) |
a85d7ed0 NC |
249 | { |
250 | /* We don't get a chance to initialize anything before we're called, | |
251 | so handle that now. */ | |
2ebb4b88 | 252 | init_default_arch (); |
a85d7ed0 NC |
253 | |
254 | return s390_arch_size == 64 ? "elf64-s390" : "elf32-s390"; | |
255 | } | |
256 | ||
902cc293 AK |
257 | /* Map a CPU string as given with -march= or .machine to the |
258 | respective enum s390_opcode_cpu_val value. 0xffffffff is returned | |
259 | in case of an error. */ | |
260 | ||
261 | static unsigned int | |
262 | s390_parse_cpu (char *arg) | |
263 | { | |
264 | if (strcmp (arg, "g5") == 0) | |
265 | return S390_OPCODE_G5; | |
266 | else if (strcmp (arg, "g6") == 0) | |
267 | return S390_OPCODE_G6; | |
268 | else if (strcmp (arg, "z900") == 0) | |
269 | return S390_OPCODE_Z900; | |
270 | else if (strcmp (arg, "z990") == 0) | |
271 | return S390_OPCODE_Z990; | |
272 | else if (strcmp (arg, "z9-109") == 0) | |
273 | return S390_OPCODE_Z9_109; | |
274 | else if (strcmp (arg, "z9-ec") == 0) | |
275 | return S390_OPCODE_Z9_EC; | |
276 | else if (strcmp (arg, "z10") == 0) | |
277 | return S390_OPCODE_Z10; | |
278 | else if (strcmp (arg, "z196") == 0) | |
279 | return S390_OPCODE_Z196; | |
cfc72779 AK |
280 | else if (strcmp (arg, "zEC12") == 0) |
281 | return S390_OPCODE_ZEC12; | |
1e2e8c52 AK |
282 | else if (strcmp (arg, "z13") == 0) |
283 | return S390_OPCODE_Z13; | |
902cc293 AK |
284 | else if (strcmp (arg, "all") == 0) |
285 | return S390_OPCODE_MAXCPU - 1; | |
286 | else | |
287 | return -1; | |
288 | } | |
289 | ||
a85d7ed0 | 290 | int |
5a49b8ac | 291 | md_parse_option (int c, char *arg) |
a85d7ed0 | 292 | { |
07855bec NC |
293 | switch (c) |
294 | { | |
295 | /* -k: Ignore for FreeBSD compatibility. */ | |
296 | case 'k': | |
297 | break; | |
298 | case 'm': | |
299 | if (arg != NULL && strcmp (arg, "regnames") == 0) | |
b34976b6 | 300 | reg_names_p = TRUE; |
198ce79b | 301 | |
07855bec | 302 | else if (arg != NULL && strcmp (arg, "no-regnames") == 0) |
b34976b6 | 303 | reg_names_p = FALSE; |
198ce79b | 304 | |
16a419ba NC |
305 | else if (arg != NULL && strcmp (arg, "warn-areg-zero") == 0) |
306 | warn_areg_zero = TRUE; | |
307 | ||
ff0fb565 | 308 | else if (arg != NULL && strcmp (arg, "31") == 0) |
75504fed | 309 | s390_arch_size = 32; |
ff0fb565 MS |
310 | |
311 | else if (arg != NULL && strcmp (arg, "64") == 0) | |
312 | s390_arch_size = 64; | |
313 | ||
37a58793 MS |
314 | else if (arg != NULL && strcmp (arg, "esa") == 0) |
315 | current_mode_mask = 1 << S390_OPCODE_ESA; | |
316 | ||
317 | else if (arg != NULL && strcmp (arg, "zarch") == 0) | |
1dd53816 AK |
318 | { |
319 | if (s390_arch_size == 32) | |
320 | set_highgprs_p = TRUE; | |
321 | current_mode_mask = 1 << S390_OPCODE_ZARCH; | |
322 | } | |
37a58793 MS |
323 | |
324 | else if (arg != NULL && strncmp (arg, "arch=", 5) == 0) | |
325 | { | |
902cc293 AK |
326 | current_cpu = s390_parse_cpu (arg + 5); |
327 | ||
328 | if (current_cpu == (unsigned int)-1) | |
37a58793 MS |
329 | { |
330 | as_bad (_("invalid switch -m%s"), arg); | |
331 | return 0; | |
332 | } | |
333 | } | |
334 | ||
07855bec NC |
335 | else |
336 | { | |
337 | as_bad (_("invalid switch -m%s"), arg); | |
338 | return 0; | |
339 | } | |
340 | break; | |
198ce79b | 341 | |
07855bec | 342 | case 'A': |
67c1ffbe | 343 | /* Option -A is deprecated. Still available for compatibility. */ |
07855bec | 344 | if (arg != NULL && strcmp (arg, "esa") == 0) |
37a58793 | 345 | current_cpu = S390_OPCODE_G5; |
07855bec | 346 | else if (arg != NULL && strcmp (arg, "esame") == 0) |
37a58793 | 347 | current_cpu = S390_OPCODE_Z900; |
07855bec | 348 | else |
20203fb9 | 349 | as_bad (_("invalid architecture -A%s"), arg); |
07855bec NC |
350 | break; |
351 | ||
352 | /* -V: SVR4 argument to print version ID. */ | |
353 | case 'V': | |
354 | print_version_id (); | |
355 | break; | |
198ce79b | 356 | |
07855bec NC |
357 | /* -Qy, -Qn: SVR4 arguments controlling whether a .comment section |
358 | should be emitted or not. FIXME: Not implemented. */ | |
359 | case 'Q': | |
360 | break; | |
198ce79b | 361 | |
07855bec NC |
362 | default: |
363 | return 0; | |
364 | } | |
198ce79b | 365 | |
a85d7ed0 NC |
366 | return 1; |
367 | } | |
368 | ||
369 | void | |
5a49b8ac | 370 | md_show_usage (FILE *stream) |
a85d7ed0 | 371 | { |
07855bec | 372 | fprintf (stream, _("\ |
16a419ba NC |
373 | S390 options:\n\ |
374 | -mregnames Allow symbolic names for registers\n\ | |
375 | -mwarn-areg-zero Warn about zero base/index registers\n\ | |
ff0fb565 MS |
376 | -mno-regnames Do not allow symbolic names for registers\n\ |
377 | -m31 Set file format to 31 bit format\n\ | |
378 | -m64 Set file format to 64 bit format\n")); | |
07855bec | 379 | fprintf (stream, _("\ |
16a419ba NC |
380 | -V print assembler version number\n\ |
381 | -Qy, -Qn ignored\n")); | |
a85d7ed0 NC |
382 | } |
383 | ||
902cc293 AK |
384 | /* Generate the hash table mapping mnemonics to struct s390_opcode. |
385 | This table is built at startup and whenever the CPU level is | |
386 | changed using .machine. */ | |
a85d7ed0 | 387 | |
902cc293 AK |
388 | static void |
389 | s390_setup_opcodes (void) | |
a85d7ed0 | 390 | { |
ed9e98c2 | 391 | const struct s390_opcode *op; |
a85d7ed0 | 392 | const struct s390_opcode *op_end; |
b34976b6 | 393 | bfd_boolean dup_insn = FALSE; |
a85d7ed0 NC |
394 | const char *retval; |
395 | ||
902cc293 AK |
396 | if (s390_opcode_hash != NULL) |
397 | hash_die (s390_opcode_hash); | |
a85d7ed0 NC |
398 | |
399 | /* Insert the opcodes into a hash table. */ | |
400 | s390_opcode_hash = hash_new (); | |
401 | ||
402 | op_end = s390_opcodes + s390_num_opcodes; | |
07855bec | 403 | for (op = s390_opcodes; op < op_end; op++) |
e6181b6a MS |
404 | { |
405 | while (op < op_end - 1 && strcmp(op->name, op[1].name) == 0) | |
406 | { | |
407 | if (op->min_cpu <= current_cpu && (op->modes & current_mode_mask)) | |
408 | break; | |
933fbc29 | 409 | op++; |
e6181b6a | 410 | } |
be7a250d AK |
411 | |
412 | if (op->min_cpu <= current_cpu && (op->modes & current_mode_mask)) | |
413 | { | |
414 | retval = hash_insert (s390_opcode_hash, op->name, (void *) op); | |
415 | if (retval != (const char *) NULL) | |
416 | { | |
417 | as_bad (_("Internal assembler error for instruction %s"), | |
418 | op->name); | |
419 | dup_insn = TRUE; | |
420 | } | |
e6181b6a | 421 | } |
be7a250d | 422 | |
e6181b6a MS |
423 | while (op < op_end - 1 && strcmp (op->name, op[1].name) == 0) |
424 | op++; | |
933fbc29 | 425 | } |
07855bec | 426 | |
a85d7ed0 NC |
427 | if (dup_insn) |
428 | abort (); | |
902cc293 AK |
429 | } |
430 | ||
431 | /* This function is called when the assembler starts up. It is called | |
432 | after the options have been parsed and the output file has been | |
433 | opened. */ | |
434 | ||
435 | void | |
436 | md_begin (void) | |
437 | { | |
ed9e98c2 | 438 | const struct s390_opcode *op; |
902cc293 | 439 | const struct s390_opcode *op_end; |
902cc293 AK |
440 | const char *retval; |
441 | ||
442 | /* Give a warning if the combination -m64-bit and -Aesa is used. */ | |
443 | if (s390_arch_size == 64 && current_cpu < S390_OPCODE_Z900) | |
444 | as_warn (_("The 64 bit file format is used without esame instructions.")); | |
445 | ||
446 | s390_cie_data_alignment = -s390_arch_size / 8; | |
447 | ||
448 | /* Set the ELF flags if desired. */ | |
449 | if (s390_flags) | |
450 | bfd_set_private_flags (stdoutput, s390_flags); | |
451 | ||
452 | /* Insert the opcode formats into a hash table. */ | |
453 | s390_opformat_hash = hash_new (); | |
454 | ||
455 | op_end = s390_opformats + s390_num_opformats; | |
456 | for (op = s390_opformats; op < op_end; op++) | |
457 | { | |
458 | retval = hash_insert (s390_opformat_hash, op->name, (void *) op); | |
459 | if (retval != (const char *) NULL) | |
8e1adb8d NC |
460 | as_bad (_("Internal assembler error for instruction format %s"), |
461 | op->name); | |
902cc293 AK |
462 | } |
463 | ||
464 | s390_setup_opcodes (); | |
a85d7ed0 NC |
465 | |
466 | record_alignment (text_section, 2); | |
467 | record_alignment (data_section, 2); | |
468 | record_alignment (bss_section, 2); | |
a85d7ed0 NC |
469 | } |
470 | ||
471 | /* Called after all assembly has been done. */ | |
472 | void | |
5a49b8ac | 473 | s390_md_end (void) |
a85d7ed0 | 474 | { |
07855bec | 475 | if (s390_arch_size == 64) |
ff0fb565 | 476 | bfd_set_arch_mach (stdoutput, bfd_arch_s390, bfd_mach_s390_64); |
07855bec | 477 | else |
ff0fb565 | 478 | bfd_set_arch_mach (stdoutput, bfd_arch_s390, bfd_mach_s390_31); |
a85d7ed0 NC |
479 | } |
480 | ||
a85d7ed0 NC |
481 | /* Insert an operand value into an instruction. */ |
482 | ||
483 | static void | |
5a49b8ac AM |
484 | s390_insert_operand (unsigned char *insn, |
485 | const struct s390_operand *operand, | |
486 | offsetT val, | |
487 | char *file, | |
488 | unsigned int line) | |
a85d7ed0 NC |
489 | { |
490 | addressT uval; | |
491 | int offset; | |
492 | ||
07855bec NC |
493 | if (operand->flags & (S390_OPERAND_SIGNED|S390_OPERAND_PCREL)) |
494 | { | |
495 | offsetT min, max; | |
496 | ||
497 | max = ((offsetT) 1 << (operand->bits - 1)) - 1; | |
498 | min = - ((offsetT) 1 << (operand->bits - 1)); | |
499 | /* Halve PCREL operands. */ | |
500 | if (operand->flags & S390_OPERAND_PCREL) | |
501 | val >>= 1; | |
502 | /* Check for underflow / overflow. */ | |
503 | if (val < min || val > max) | |
504 | { | |
505 | const char *err = | |
20203fb9 | 506 | _("operand out of range (%s not between %ld and %ld)"); |
07855bec NC |
507 | char buf[100]; |
508 | ||
509 | if (operand->flags & S390_OPERAND_PCREL) | |
510 | { | |
511 | val <<= 1; | |
512 | min <<= 1; | |
513 | max <<= 1; | |
514 | } | |
515 | sprint_value (buf, val); | |
516 | if (file == (char *) NULL) | |
517 | as_bad (err, buf, (int) min, (int) max); | |
518 | else | |
519 | as_bad_where (file, line, err, buf, (int) min, (int) max); | |
520 | return; | |
521 | } | |
522 | /* val is ok, now restrict it to operand->bits bits. */ | |
523 | uval = (addressT) val & ((((addressT) 1 << (operand->bits-1)) << 1) - 1); | |
933fbc29 MS |
524 | /* val is restrict, now check for special case. */ |
525 | if (operand->bits == 20 && operand->shift == 20) | |
526 | uval = (uval >> 12) | ((uval & 0xfff) << 8); | |
a85d7ed0 | 527 | } |
07855bec NC |
528 | else |
529 | { | |
530 | addressT min, max; | |
198ce79b | 531 | |
98d3f06f | 532 | max = (((addressT) 1 << (operand->bits - 1)) << 1) - 1; |
07855bec NC |
533 | min = (offsetT) 0; |
534 | uval = (addressT) val; | |
1e2e8c52 AK |
535 | |
536 | /* Vector register operands have an additional bit in the RXB | |
537 | field. */ | |
538 | if (operand->flags & S390_OPERAND_VR) | |
539 | max = (max << 1) | 1; | |
540 | ||
07855bec NC |
541 | /* Length x in an instructions has real length x+1. */ |
542 | if (operand->flags & S390_OPERAND_LENGTH) | |
543 | uval--; | |
544 | /* Check for underflow / overflow. */ | |
545 | if (uval < min || uval > max) | |
546 | { | |
07855bec NC |
547 | if (operand->flags & S390_OPERAND_LENGTH) |
548 | { | |
549 | uval++; | |
550 | min++; | |
551 | max++; | |
552 | } | |
e5976317 NC |
553 | |
554 | as_bad_value_out_of_range (_("operand"), uval, (offsetT) min, (offsetT) max, file, line); | |
555 | ||
07855bec NC |
556 | return; |
557 | } | |
a85d7ed0 | 558 | } |
a85d7ed0 | 559 | |
1e2e8c52 AK |
560 | if (operand->flags & S390_OPERAND_VR) |
561 | { | |
562 | /* Insert the extra bit into the RXB field. */ | |
563 | switch (operand->shift) | |
564 | { | |
565 | case 8: | |
566 | insn[4] |= (uval & 0x10) >> 1; | |
567 | break; | |
568 | case 12: | |
569 | insn[4] |= (uval & 0x10) >> 2; | |
570 | break; | |
571 | case 16: | |
572 | insn[4] |= (uval & 0x10) >> 3; | |
573 | break; | |
574 | case 32: | |
575 | insn[4] |= (uval & 0x10) >> 4; | |
576 | break; | |
577 | } | |
578 | uval &= 0xf; | |
579 | } | |
580 | ||
581 | if (operand->flags & S390_OPERAND_OR1) | |
582 | uval |= 1; | |
583 | if (operand->flags & S390_OPERAND_OR2) | |
584 | uval |= 2; | |
585 | if (operand->flags & S390_OPERAND_OR8) | |
586 | uval |= 8; | |
587 | ||
588 | /* Duplicate the operand at bit pos 12 to 16. */ | |
589 | if (operand->flags & S390_OPERAND_CP16) | |
590 | { | |
591 | /* Copy VR operand at bit pos 12 to bit pos 16. */ | |
592 | insn[2] |= uval << 4; | |
593 | /* Copy the flag in the RXB field. */ | |
594 | insn[4] |= (insn[4] & 4) >> 1; | |
595 | } | |
596 | ||
a85d7ed0 NC |
597 | /* Insert fragments of the operand byte for byte. */ |
598 | offset = operand->shift + operand->bits; | |
599 | uval <<= (-offset) & 7; | |
98d3f06f | 600 | insn += (offset - 1) / 8; |
07855bec NC |
601 | while (uval != 0) |
602 | { | |
603 | *insn-- |= uval; | |
604 | uval >>= 8; | |
605 | } | |
a85d7ed0 NC |
606 | } |
607 | ||
1971b29d MS |
608 | struct map_tls |
609 | { | |
610 | char *string; | |
611 | int length; | |
612 | bfd_reloc_code_real_type reloc; | |
613 | }; | |
614 | ||
1971b29d MS |
615 | /* Parse tls marker and return the desired relocation. */ |
616 | static bfd_reloc_code_real_type | |
5a49b8ac | 617 | s390_tls_suffix (char **str_p, expressionS *exp_p) |
1971b29d MS |
618 | { |
619 | static struct map_tls mapping[] = | |
620 | { | |
621 | { "tls_load", 8, BFD_RELOC_390_TLS_LOAD }, | |
622 | { "tls_gdcall", 10, BFD_RELOC_390_TLS_GDCALL }, | |
623 | { "tls_ldcall", 10, BFD_RELOC_390_TLS_LDCALL }, | |
624 | { NULL, 0, BFD_RELOC_UNUSED } | |
625 | }; | |
626 | struct map_tls *ptr; | |
627 | char *orig_line; | |
628 | char *str; | |
629 | char *ident; | |
630 | int len; | |
631 | ||
632 | str = *str_p; | |
633 | if (*str++ != ':') | |
634 | return BFD_RELOC_UNUSED; | |
635 | ||
636 | ident = str; | |
637 | while (ISIDNUM (*str)) | |
638 | str++; | |
639 | len = str - ident; | |
640 | if (*str++ != ':') | |
641 | return BFD_RELOC_UNUSED; | |
642 | ||
643 | orig_line = input_line_pointer; | |
644 | input_line_pointer = str; | |
645 | expression (exp_p); | |
646 | str = input_line_pointer; | |
647 | if (&input_line_pointer != str_p) | |
648 | input_line_pointer = orig_line; | |
649 | ||
650 | if (exp_p->X_op != O_symbol) | |
651 | return BFD_RELOC_UNUSED; | |
652 | ||
653 | for (ptr = &mapping[0]; ptr->length > 0; ptr++) | |
654 | if (len == ptr->length | |
655 | && strncasecmp (ident, ptr->string, ptr->length) == 0) | |
656 | { | |
657 | /* Found a matching tls suffix. */ | |
658 | *str_p = str; | |
659 | return ptr->reloc; | |
660 | } | |
661 | return BFD_RELOC_UNUSED; | |
662 | } | |
663 | ||
a85d7ed0 | 664 | /* Structure used to hold suffixes. */ |
07855bec NC |
665 | typedef enum |
666 | { | |
667 | ELF_SUFFIX_NONE = 0, | |
668 | ELF_SUFFIX_GOT, | |
669 | ELF_SUFFIX_PLT, | |
2a19f73f MS |
670 | ELF_SUFFIX_GOTENT, |
671 | ELF_SUFFIX_GOTOFF, | |
672 | ELF_SUFFIX_GOTPLT, | |
1971b29d MS |
673 | ELF_SUFFIX_PLTOFF, |
674 | ELF_SUFFIX_TLS_GD, | |
675 | ELF_SUFFIX_TLS_GOTIE, | |
676 | ELF_SUFFIX_TLS_IE, | |
677 | ELF_SUFFIX_TLS_LDM, | |
678 | ELF_SUFFIX_TLS_LDO, | |
679 | ELF_SUFFIX_TLS_LE | |
07855bec NC |
680 | } |
681 | elf_suffix_type; | |
682 | ||
683 | struct map_bfd | |
684 | { | |
685 | char *string; | |
686 | int length; | |
687 | elf_suffix_type suffix; | |
688 | }; | |
a85d7ed0 | 689 | |
9d654c1c | 690 | |
a85d7ed0 NC |
691 | /* Parse @got/@plt/@gotoff. and return the desired relocation. */ |
692 | static elf_suffix_type | |
5a49b8ac | 693 | s390_elf_suffix (char **str_p, expressionS *exp_p) |
a85d7ed0 | 694 | { |
07855bec NC |
695 | static struct map_bfd mapping[] = |
696 | { | |
a85d7ed0 NC |
697 | { "got", 3, ELF_SUFFIX_GOT }, |
698 | { "got12", 5, ELF_SUFFIX_GOT }, | |
699 | { "plt", 3, ELF_SUFFIX_PLT }, | |
700 | { "gotent", 6, ELF_SUFFIX_GOTENT }, | |
2a19f73f MS |
701 | { "gotoff", 6, ELF_SUFFIX_GOTOFF }, |
702 | { "gotplt", 6, ELF_SUFFIX_GOTPLT }, | |
703 | { "pltoff", 6, ELF_SUFFIX_PLTOFF }, | |
1971b29d MS |
704 | { "tlsgd", 5, ELF_SUFFIX_TLS_GD }, |
705 | { "gotntpoff", 9, ELF_SUFFIX_TLS_GOTIE }, | |
706 | { "indntpoff", 9, ELF_SUFFIX_TLS_IE }, | |
707 | { "tlsldm", 6, ELF_SUFFIX_TLS_LDM }, | |
708 | { "dtpoff", 6, ELF_SUFFIX_TLS_LDO }, | |
709 | { "ntpoff", 6, ELF_SUFFIX_TLS_LE }, | |
a85d7ed0 NC |
710 | { NULL, 0, ELF_SUFFIX_NONE } |
711 | }; | |
712 | ||
713 | struct map_bfd *ptr; | |
714 | char *str = *str_p; | |
715 | char *ident; | |
716 | int len; | |
717 | ||
718 | if (*str++ != '@') | |
719 | return ELF_SUFFIX_NONE; | |
720 | ||
721 | ident = str; | |
3882b010 | 722 | while (ISALNUM (*str)) |
a85d7ed0 NC |
723 | str++; |
724 | len = str - ident; | |
725 | ||
726 | for (ptr = &mapping[0]; ptr->length > 0; ptr++) | |
16a419ba NC |
727 | if (len == ptr->length |
728 | && strncasecmp (ident, ptr->string, ptr->length) == 0) | |
07855bec NC |
729 | { |
730 | if (exp_p->X_add_number != 0) | |
731 | as_warn (_("identifier+constant@%s means identifier@%s+constant"), | |
732 | ptr->string, ptr->string); | |
733 | /* Now check for identifier@suffix+constant. */ | |
734 | if (*str == '-' || *str == '+') | |
735 | { | |
736 | char *orig_line = input_line_pointer; | |
737 | expressionS new_exp; | |
738 | ||
739 | input_line_pointer = str; | |
740 | expression (&new_exp); | |
741 | ||
742 | switch (new_exp.X_op) | |
743 | { | |
744 | case O_constant: /* X_add_number (a constant expression). */ | |
745 | exp_p->X_add_number += new_exp.X_add_number; | |
746 | str = input_line_pointer; | |
747 | break; | |
748 | case O_symbol: /* X_add_symbol + X_add_number. */ | |
749 | /* this case is used for e.g. xyz@PLT+.Label. */ | |
750 | exp_p->X_add_number += new_exp.X_add_number; | |
751 | exp_p->X_op_symbol = new_exp.X_add_symbol; | |
752 | exp_p->X_op = O_add; | |
753 | str = input_line_pointer; | |
754 | break; | |
755 | case O_uminus: /* (- X_add_symbol) + X_add_number. */ | |
756 | /* this case is used for e.g. xyz@PLT-.Label. */ | |
757 | exp_p->X_add_number += new_exp.X_add_number; | |
758 | exp_p->X_op_symbol = new_exp.X_add_symbol; | |
759 | exp_p->X_op = O_subtract; | |
760 | str = input_line_pointer; | |
761 | break; | |
762 | default: | |
763 | break; | |
764 | } | |
765 | ||
766 | /* If s390_elf_suffix has not been called with | |
767 | &input_line_pointer as first parameter, we have | |
768 | clobbered the input_line_pointer. We have to | |
769 | undo that. */ | |
770 | if (&input_line_pointer != str_p) | |
771 | input_line_pointer = orig_line; | |
a85d7ed0 | 772 | } |
07855bec NC |
773 | *str_p = str; |
774 | return ptr->suffix; | |
a85d7ed0 | 775 | } |
a85d7ed0 NC |
776 | |
777 | return BFD_RELOC_UNUSED; | |
778 | } | |
779 | ||
780 | /* Structure used to hold a literal pool entry. */ | |
07855bec NC |
781 | struct s390_lpe |
782 | { | |
783 | struct s390_lpe *next; | |
784 | expressionS ex; | |
785 | FLONUM_TYPE floatnum; /* used if X_op == O_big && X_add_number <= 0 */ | |
786 | LITTLENUM_TYPE bignum[4]; /* used if X_op == O_big && X_add_number > 0 */ | |
787 | int nbytes; | |
788 | bfd_reloc_code_real_type reloc; | |
789 | symbolS *sym; | |
790 | }; | |
a85d7ed0 NC |
791 | |
792 | static struct s390_lpe *lpe_free_list = NULL; | |
793 | static struct s390_lpe *lpe_list = NULL; | |
794 | static struct s390_lpe *lpe_list_tail = NULL; | |
795 | static symbolS *lp_sym = NULL; | |
796 | static int lp_count = 0; | |
797 | static int lpe_count = 0; | |
798 | ||
799 | static int | |
5a49b8ac | 800 | s390_exp_compare (expressionS *exp1, expressionS *exp2) |
a85d7ed0 NC |
801 | { |
802 | if (exp1->X_op != exp2->X_op) | |
803 | return 0; | |
804 | ||
07855bec NC |
805 | switch (exp1->X_op) |
806 | { | |
807 | case O_constant: /* X_add_number must be equal. */ | |
808 | case O_register: | |
809 | return exp1->X_add_number == exp2->X_add_number; | |
810 | ||
811 | case O_big: | |
198ce79b | 812 | as_bad (_("Can't handle O_big in s390_exp_compare")); |
07855bec NC |
813 | |
814 | case O_symbol: /* X_add_symbol & X_add_number must be equal. */ | |
815 | case O_symbol_rva: | |
816 | case O_uminus: | |
817 | case O_bit_not: | |
818 | case O_logical_not: | |
16a419ba NC |
819 | return (exp1->X_add_symbol == exp2->X_add_symbol) |
820 | && (exp1->X_add_number == exp2->X_add_number); | |
07855bec NC |
821 | |
822 | case O_multiply: /* X_add_symbol,X_op_symbol&X_add_number must be equal. */ | |
823 | case O_divide: | |
824 | case O_modulus: | |
825 | case O_left_shift: | |
826 | case O_right_shift: | |
827 | case O_bit_inclusive_or: | |
828 | case O_bit_or_not: | |
829 | case O_bit_exclusive_or: | |
830 | case O_bit_and: | |
831 | case O_add: | |
832 | case O_subtract: | |
833 | case O_eq: | |
834 | case O_ne: | |
835 | case O_lt: | |
836 | case O_le: | |
837 | case O_ge: | |
838 | case O_gt: | |
839 | case O_logical_and: | |
840 | case O_logical_or: | |
16a419ba NC |
841 | return (exp1->X_add_symbol == exp2->X_add_symbol) |
842 | && (exp1->X_op_symbol == exp2->X_op_symbol) | |
843 | && (exp1->X_add_number == exp2->X_add_number); | |
07855bec | 844 | default: |
98d3f06f KH |
845 | return 0; |
846 | } | |
a85d7ed0 NC |
847 | } |
848 | ||
849 | /* Test for @lit and if its present make an entry in the literal pool and | |
850 | modify the current expression to be an offset into the literal pool. */ | |
851 | static elf_suffix_type | |
5a49b8ac | 852 | s390_lit_suffix (char **str_p, expressionS *exp_p, elf_suffix_type suffix) |
a85d7ed0 NC |
853 | { |
854 | bfd_reloc_code_real_type reloc; | |
855 | char tmp_name[64]; | |
856 | char *str = *str_p; | |
857 | char *ident; | |
858 | struct s390_lpe *lpe; | |
859 | int nbytes, len; | |
860 | ||
861 | if (*str++ != ':') | |
862 | return suffix; /* No modification. */ | |
198ce79b | 863 | |
a85d7ed0 NC |
864 | /* We look for a suffix of the form "@lit1", "@lit2", "@lit4" or "@lit8". */ |
865 | ident = str; | |
3882b010 | 866 | while (ISALNUM (*str)) |
a85d7ed0 NC |
867 | str++; |
868 | len = str - ident; | |
16a419ba NC |
869 | if (len != 4 || strncasecmp (ident, "lit", 3) != 0 |
870 | || (ident[3]!='1' && ident[3]!='2' && ident[3]!='4' && ident[3]!='8')) | |
a85d7ed0 NC |
871 | return suffix; /* no modification */ |
872 | nbytes = ident[3] - '0'; | |
873 | ||
874 | reloc = BFD_RELOC_UNUSED; | |
07855bec NC |
875 | if (suffix == ELF_SUFFIX_GOT) |
876 | { | |
877 | if (nbytes == 2) | |
878 | reloc = BFD_RELOC_390_GOT16; | |
879 | else if (nbytes == 4) | |
880 | reloc = BFD_RELOC_32_GOT_PCREL; | |
881 | else if (nbytes == 8) | |
882 | reloc = BFD_RELOC_390_GOT64; | |
883 | } | |
884 | else if (suffix == ELF_SUFFIX_PLT) | |
885 | { | |
886 | if (nbytes == 4) | |
887 | reloc = BFD_RELOC_390_PLT32; | |
888 | else if (nbytes == 8) | |
889 | reloc = BFD_RELOC_390_PLT64; | |
890 | } | |
a85d7ed0 | 891 | |
07855bec | 892 | if (suffix != ELF_SUFFIX_NONE && reloc == BFD_RELOC_UNUSED) |
a85d7ed0 | 893 | as_bad (_("Invalid suffix for literal pool entry")); |
a85d7ed0 NC |
894 | |
895 | /* Search the pool if the new entry is a duplicate. */ | |
07855bec NC |
896 | if (exp_p->X_op == O_big) |
897 | { | |
898 | /* Special processing for big numbers. */ | |
899 | for (lpe = lpe_list; lpe != NULL; lpe = lpe->next) | |
900 | { | |
901 | if (lpe->ex.X_op == O_big) | |
902 | { | |
903 | if (exp_p->X_add_number <= 0 && lpe->ex.X_add_number <= 0) | |
904 | { | |
905 | if (memcmp (&generic_floating_point_number, &lpe->floatnum, | |
906 | sizeof (FLONUM_TYPE)) == 0) | |
907 | break; | |
908 | } | |
909 | else if (exp_p->X_add_number == lpe->ex.X_add_number) | |
910 | { | |
911 | if (memcmp (generic_bignum, lpe->bignum, | |
912 | sizeof (LITTLENUM_TYPE)*exp_p->X_add_number) == 0) | |
913 | break; | |
914 | } | |
915 | } | |
916 | } | |
a85d7ed0 | 917 | } |
07855bec NC |
918 | else |
919 | { | |
920 | /* Processing for 'normal' data types. */ | |
921 | for (lpe = lpe_list; lpe != NULL; lpe = lpe->next) | |
16a419ba | 922 | if (lpe->nbytes == nbytes && lpe->reloc == reloc |
98d3f06f | 923 | && s390_exp_compare (exp_p, &lpe->ex) != 0) |
07855bec | 924 | break; |
a85d7ed0 | 925 | } |
07855bec NC |
926 | |
927 | if (lpe == NULL) | |
928 | { | |
929 | /* A new literal. */ | |
930 | if (lpe_free_list != NULL) | |
931 | { | |
932 | lpe = lpe_free_list; | |
933 | lpe_free_list = lpe_free_list->next; | |
934 | } | |
a85d7ed0 | 935 | else |
07855bec | 936 | { |
98d3f06f | 937 | lpe = (struct s390_lpe *) xmalloc (sizeof (struct s390_lpe)); |
07855bec NC |
938 | } |
939 | ||
940 | lpe->ex = *exp_p; | |
941 | ||
942 | if (exp_p->X_op == O_big) | |
943 | { | |
944 | if (exp_p->X_add_number <= 0) | |
945 | lpe->floatnum = generic_floating_point_number; | |
946 | else if (exp_p->X_add_number <= 4) | |
947 | memcpy (lpe->bignum, generic_bignum, | |
98d3f06f | 948 | exp_p->X_add_number * sizeof (LITTLENUM_TYPE)); |
07855bec NC |
949 | else |
950 | as_bad (_("Big number is too big")); | |
951 | } | |
952 | ||
953 | lpe->nbytes = nbytes; | |
954 | lpe->reloc = reloc; | |
955 | /* Literal pool name defined ? */ | |
956 | if (lp_sym == NULL) | |
957 | { | |
07726851 | 958 | sprintf (tmp_name, ".L\001%i", lp_count); |
98d3f06f | 959 | lp_sym = symbol_make (tmp_name); |
07855bec | 960 | } |
a85d7ed0 | 961 | |
07855bec | 962 | /* Make name for literal pool entry. */ |
07726851 | 963 | sprintf (tmp_name, ".L\001%i\002%i", lp_count, lpe_count); |
07855bec | 964 | lpe_count++; |
98d3f06f | 965 | lpe->sym = symbol_make (tmp_name); |
07855bec NC |
966 | |
967 | /* Add to literal pool list. */ | |
968 | lpe->next = NULL; | |
969 | if (lpe_list_tail != NULL) | |
970 | { | |
971 | lpe_list_tail->next = lpe; | |
972 | lpe_list_tail = lpe; | |
973 | } | |
974 | else | |
975 | lpe_list = lpe_list_tail = lpe; | |
976 | } | |
198ce79b | 977 | |
a85d7ed0 NC |
978 | /* Now change exp_p to the offset into the literal pool. |
979 | Thats the expression: .L^Ax^By-.L^Ax */ | |
980 | exp_p->X_add_symbol = lpe->sym; | |
981 | exp_p->X_op_symbol = lp_sym; | |
982 | exp_p->X_op = O_subtract; | |
983 | exp_p->X_add_number = 0; | |
984 | ||
985 | *str_p = str; | |
986 | ||
987 | /* We change the suffix type to ELF_SUFFIX_NONE, because | |
988 | the difference of two local labels is just a number. */ | |
989 | return ELF_SUFFIX_NONE; | |
990 | } | |
991 | ||
992 | /* Like normal .long/.short/.word, except support @got, etc. | |
993 | clobbers input_line_pointer, checks end-of-line. */ | |
994 | static void | |
5a49b8ac | 995 | s390_elf_cons (int nbytes /* 1=.byte, 2=.word, 4=.long */) |
a85d7ed0 NC |
996 | { |
997 | expressionS exp; | |
998 | elf_suffix_type suffix; | |
999 | ||
07855bec NC |
1000 | if (is_it_end_of_statement ()) |
1001 | { | |
1002 | demand_empty_rest_of_line (); | |
1003 | return; | |
1004 | } | |
a85d7ed0 | 1005 | |
07855bec NC |
1006 | do |
1007 | { | |
1008 | expression (&exp); | |
1009 | ||
1010 | if (exp.X_op == O_symbol | |
1011 | && *input_line_pointer == '@' | |
1012 | && (suffix = s390_elf_suffix (&input_line_pointer, &exp)) != ELF_SUFFIX_NONE) | |
1013 | { | |
1014 | bfd_reloc_code_real_type reloc; | |
1015 | reloc_howto_type *reloc_howto; | |
1016 | int size; | |
1017 | char *where; | |
1018 | ||
1971b29d MS |
1019 | if (nbytes == 2) |
1020 | { | |
1021 | static bfd_reloc_code_real_type tab2[] = | |
1022 | { | |
5cfbfc2b MS |
1023 | BFD_RELOC_UNUSED, /* ELF_SUFFIX_NONE */ |
1024 | BFD_RELOC_390_GOT16, /* ELF_SUFFIX_GOT */ | |
1025 | BFD_RELOC_UNUSED, /* ELF_SUFFIX_PLT */ | |
1026 | BFD_RELOC_UNUSED, /* ELF_SUFFIX_GOTENT */ | |
1027 | BFD_RELOC_16_GOTOFF, /* ELF_SUFFIX_GOTOFF */ | |
1028 | BFD_RELOC_UNUSED, /* ELF_SUFFIX_GOTPLT */ | |
1029 | BFD_RELOC_390_PLTOFF16, /* ELF_SUFFIX_PLTOFF */ | |
1030 | BFD_RELOC_UNUSED, /* ELF_SUFFIX_TLS_GD */ | |
1031 | BFD_RELOC_UNUSED, /* ELF_SUFFIX_TLS_GOTIE */ | |
1032 | BFD_RELOC_UNUSED, /* ELF_SUFFIX_TLS_IE */ | |
1033 | BFD_RELOC_UNUSED, /* ELF_SUFFIX_TLS_LDM */ | |
1034 | BFD_RELOC_UNUSED, /* ELF_SUFFIX_TLS_LDO */ | |
1035 | BFD_RELOC_UNUSED /* ELF_SUFFIX_TLS_LE */ | |
1971b29d MS |
1036 | }; |
1037 | reloc = tab2[suffix]; | |
1038 | } | |
1039 | else if (nbytes == 4) | |
1040 | { | |
1041 | static bfd_reloc_code_real_type tab4[] = | |
1042 | { | |
5cfbfc2b MS |
1043 | BFD_RELOC_UNUSED, /* ELF_SUFFIX_NONE */ |
1044 | BFD_RELOC_32_GOT_PCREL, /* ELF_SUFFIX_GOT */ | |
1045 | BFD_RELOC_390_PLT32, /* ELF_SUFFIX_PLT */ | |
1046 | BFD_RELOC_UNUSED, /* ELF_SUFFIX_GOTENT */ | |
1047 | BFD_RELOC_32_GOTOFF, /* ELF_SUFFIX_GOTOFF */ | |
1048 | BFD_RELOC_390_GOTPLT32, /* ELF_SUFFIX_GOTPLT */ | |
1049 | BFD_RELOC_390_PLTOFF32, /* ELF_SUFFIX_PLTOFF */ | |
1050 | BFD_RELOC_390_TLS_GD32, /* ELF_SUFFIX_TLS_GD */ | |
1051 | BFD_RELOC_390_TLS_GOTIE32, /* ELF_SUFFIX_TLS_GOTIE */ | |
1052 | BFD_RELOC_390_TLS_IE32, /* ELF_SUFFIX_TLS_IE */ | |
1053 | BFD_RELOC_390_TLS_LDM32, /* ELF_SUFFIX_TLS_LDM */ | |
1054 | BFD_RELOC_390_TLS_LDO32, /* ELF_SUFFIX_TLS_LDO */ | |
1055 | BFD_RELOC_390_TLS_LE32 /* ELF_SUFFIX_TLS_LE */ | |
1971b29d MS |
1056 | }; |
1057 | reloc = tab4[suffix]; | |
1058 | } | |
1059 | else if (nbytes == 8) | |
1060 | { | |
1061 | static bfd_reloc_code_real_type tab8[] = | |
1062 | { | |
5cfbfc2b MS |
1063 | BFD_RELOC_UNUSED, /* ELF_SUFFIX_NONE */ |
1064 | BFD_RELOC_390_GOT64, /* ELF_SUFFIX_GOT */ | |
1065 | BFD_RELOC_390_PLT64, /* ELF_SUFFIX_PLT */ | |
1066 | BFD_RELOC_UNUSED, /* ELF_SUFFIX_GOTENT */ | |
1067 | BFD_RELOC_390_GOTOFF64, /* ELF_SUFFIX_GOTOFF */ | |
1068 | BFD_RELOC_390_GOTPLT64, /* ELF_SUFFIX_GOTPLT */ | |
1069 | BFD_RELOC_390_PLTOFF64, /* ELF_SUFFIX_PLTOFF */ | |
1070 | BFD_RELOC_390_TLS_GD64, /* ELF_SUFFIX_TLS_GD */ | |
1071 | BFD_RELOC_390_TLS_GOTIE64, /* ELF_SUFFIX_TLS_GOTIE */ | |
1072 | BFD_RELOC_390_TLS_IE64, /* ELF_SUFFIX_TLS_IE */ | |
1073 | BFD_RELOC_390_TLS_LDM64, /* ELF_SUFFIX_TLS_LDM */ | |
1074 | BFD_RELOC_390_TLS_LDO64, /* ELF_SUFFIX_TLS_LDO */ | |
1075 | BFD_RELOC_390_TLS_LE64 /* ELF_SUFFIX_TLS_LE */ | |
1971b29d MS |
1076 | }; |
1077 | reloc = tab8[suffix]; | |
1078 | } | |
07855bec NC |
1079 | else |
1080 | reloc = BFD_RELOC_UNUSED; | |
1081 | ||
1971b29d MS |
1082 | if (reloc != BFD_RELOC_UNUSED |
1083 | && (reloc_howto = bfd_reloc_type_lookup (stdoutput, reloc))) | |
07855bec | 1084 | { |
07855bec NC |
1085 | size = bfd_get_reloc_size (reloc_howto); |
1086 | if (size > nbytes) | |
1087 | as_bad (_("%s relocations do not fit in %d bytes"), | |
1088 | reloc_howto->name, nbytes); | |
07726851 | 1089 | where = frag_more (nbytes); |
07855bec | 1090 | md_number_to_chars (where, 0, size); |
198ce79b | 1091 | /* To make fixup_segment do the pc relative conversion the |
b34976b6 | 1092 | pcrel parameter on the fix_new_exp call needs to be FALSE. */ |
198ce79b | 1093 | fix_new_exp (frag_now, where - frag_now->fr_literal, |
b34976b6 | 1094 | size, &exp, FALSE, reloc); |
07855bec NC |
1095 | } |
1096 | else | |
1097 | as_bad (_("relocation not applicable")); | |
1098 | } | |
a85d7ed0 | 1099 | else |
07855bec NC |
1100 | emit_expr (&exp, (unsigned int) nbytes); |
1101 | } | |
1102 | while (*input_line_pointer++ == ','); | |
a85d7ed0 | 1103 | |
98d3f06f | 1104 | input_line_pointer--; /* Put terminator back into stream. */ |
a85d7ed0 NC |
1105 | demand_empty_rest_of_line (); |
1106 | } | |
1107 | ||
1108 | /* We need to keep a list of fixups. We can't simply generate them as | |
1109 | we go, because that would require us to first create the frag, and | |
1110 | that would screw up references to ``.''. */ | |
1111 | ||
1112 | struct s390_fixup | |
07855bec NC |
1113 | { |
1114 | expressionS exp; | |
1115 | int opindex; | |
1116 | bfd_reloc_code_real_type reloc; | |
1117 | }; | |
a85d7ed0 NC |
1118 | |
1119 | #define MAX_INSN_FIXUPS (4) | |
1120 | ||
1121 | /* This routine is called for each instruction to be assembled. */ | |
1122 | ||
9d654c1c | 1123 | static char * |
5a49b8ac AM |
1124 | md_gather_operands (char *str, |
1125 | unsigned char *insn, | |
1126 | const struct s390_opcode *opcode) | |
a85d7ed0 NC |
1127 | { |
1128 | struct s390_fixup fixups[MAX_INSN_FIXUPS]; | |
1129 | const struct s390_operand *operand; | |
1130 | const unsigned char *opindex_ptr; | |
1971b29d | 1131 | expressionS ex; |
a85d7ed0 NC |
1132 | elf_suffix_type suffix; |
1133 | bfd_reloc_code_real_type reloc; | |
1134 | int skip_optional; | |
a85d7ed0 NC |
1135 | char *f; |
1136 | int fc, i; | |
1137 | ||
98d3f06f KH |
1138 | while (ISSPACE (*str)) |
1139 | str++; | |
a85d7ed0 | 1140 | |
a85d7ed0 NC |
1141 | skip_optional = 0; |
1142 | ||
1143 | /* Gather the operands. */ | |
1144 | fc = 0; | |
07855bec NC |
1145 | for (opindex_ptr = opcode->operands; *opindex_ptr != 0; opindex_ptr++) |
1146 | { | |
07855bec NC |
1147 | char *hold; |
1148 | ||
1149 | operand = s390_operands + *opindex_ptr; | |
198ce79b | 1150 | |
1e2e8c52 AK |
1151 | if ((opcode->flags & S390_INSTR_FLAG_OPTPARM) && *str == '\0') |
1152 | { | |
1153 | /* Optional parameters might need to be ORed with a | |
1154 | value so calling s390_insert_operand is needed. */ | |
1155 | s390_insert_operand (insn, operand, 0, NULL, 0); | |
1156 | break; | |
1157 | } | |
1158 | ||
07855bec NC |
1159 | if (skip_optional && (operand->flags & S390_OPERAND_INDEX)) |
1160 | { | |
1161 | /* We do an early skip. For D(X,B) constructions the index | |
198ce79b | 1162 | register is skipped (X is optional). For D(L,B) the base |
07855bec NC |
1163 | register will be the skipped operand, because L is NOT |
1164 | optional. */ | |
1165 | skip_optional = 0; | |
1166 | continue; | |
1167 | } | |
198ce79b | 1168 | |
07855bec NC |
1169 | /* Gather the operand. */ |
1170 | hold = input_line_pointer; | |
1171 | input_line_pointer = str; | |
1172 | ||
98d3f06f KH |
1173 | /* Parse the operand. */ |
1174 | if (! register_name (&ex)) | |
07855bec | 1175 | expression (&ex); |
198ce79b | 1176 | |
07855bec NC |
1177 | str = input_line_pointer; |
1178 | input_line_pointer = hold; | |
198ce79b | 1179 | |
07855bec NC |
1180 | /* Write the operand to the insn. */ |
1181 | if (ex.X_op == O_illegal) | |
1182 | as_bad (_("illegal operand")); | |
1183 | else if (ex.X_op == O_absent) | |
5e7c27a6 MS |
1184 | { |
1185 | /* No operands, check if all operands can be skipped. */ | |
1186 | while (*opindex_ptr != 0 && operand->flags & S390_OPERAND_OPTIONAL) | |
1187 | { | |
1188 | if (operand->flags & S390_OPERAND_DISP) | |
1189 | { | |
1190 | /* An optional displacement makes the whole D(X,B) | |
1191 | D(L,B) or D(B) block optional. */ | |
1192 | do { | |
1193 | operand = s390_operands + *(++opindex_ptr); | |
1194 | } while (!(operand->flags & S390_OPERAND_BASE)); | |
1195 | } | |
1196 | operand = s390_operands + *(++opindex_ptr); | |
1197 | } | |
1198 | if (opindex_ptr[0] == '\0') | |
1199 | break; | |
1200 | as_bad (_("missing operand")); | |
1201 | } | |
07855bec NC |
1202 | else if (ex.X_op == O_register || ex.X_op == O_constant) |
1203 | { | |
1204 | s390_lit_suffix (&str, &ex, ELF_SUFFIX_NONE); | |
1205 | ||
1206 | if (ex.X_op != O_register && ex.X_op != O_constant) | |
1207 | { | |
1208 | /* We need to generate a fixup for the | |
1209 | expression returned by s390_lit_suffix. */ | |
1210 | if (fc >= MAX_INSN_FIXUPS) | |
1211 | as_fatal (_("too many fixups")); | |
1212 | fixups[fc].exp = ex; | |
1213 | fixups[fc].opindex = *opindex_ptr; | |
1214 | fixups[fc].reloc = BFD_RELOC_UNUSED; | |
1215 | ++fc; | |
1216 | } | |
1217 | else | |
1218 | { | |
c6837265 AK |
1219 | if ((operand->flags & S390_OPERAND_LENGTH) |
1220 | && ex.X_op != O_constant) | |
1221 | as_fatal (_("invalid length field specified")); | |
16a419ba NC |
1222 | if ((operand->flags & S390_OPERAND_INDEX) |
1223 | && ex.X_add_number == 0 | |
b34976b6 | 1224 | && warn_areg_zero) |
20203fb9 | 1225 | as_warn (_("index register specified but zero")); |
16a419ba NC |
1226 | if ((operand->flags & S390_OPERAND_BASE) |
1227 | && ex.X_add_number == 0 | |
b34976b6 | 1228 | && warn_areg_zero) |
20203fb9 | 1229 | as_warn (_("base register specified but zero")); |
c8fa16ed AK |
1230 | if ((operand->flags & S390_OPERAND_GPR) |
1231 | && (operand->flags & S390_OPERAND_REG_PAIR) | |
5e4b319c | 1232 | && (ex.X_add_number & 1)) |
c8fa16ed AK |
1233 | as_fatal (_("odd numbered general purpose register specified as " |
1234 | "register pair")); | |
1235 | if ((operand->flags & S390_OPERAND_FPR) | |
1236 | && (operand->flags & S390_OPERAND_REG_PAIR) | |
1237 | && ex.X_add_number != 0 && ex.X_add_number != 1 | |
1238 | && ex.X_add_number != 4 && ex.X_add_number != 5 | |
1239 | && ex.X_add_number != 8 && ex.X_add_number != 9 | |
1240 | && ex.X_add_number != 12 && ex.X_add_number != 13) | |
1241 | as_fatal (_("invalid floating point register pair. Valid fp " | |
1242 | "register pair operands are 0, 1, 4, 5, 8, 9, " | |
1243 | "12 or 13.")); | |
07855bec NC |
1244 | s390_insert_operand (insn, operand, ex.X_add_number, NULL, 0); |
1245 | } | |
1246 | } | |
1247 | else | |
1248 | { | |
1249 | suffix = s390_elf_suffix (&str, &ex); | |
1250 | suffix = s390_lit_suffix (&str, &ex, suffix); | |
1251 | reloc = BFD_RELOC_UNUSED; | |
1252 | ||
1253 | if (suffix == ELF_SUFFIX_GOT) | |
1254 | { | |
933fbc29 MS |
1255 | if ((operand->flags & S390_OPERAND_DISP) && |
1256 | (operand->bits == 12)) | |
07855bec | 1257 | reloc = BFD_RELOC_390_GOT12; |
933fbc29 MS |
1258 | else if ((operand->flags & S390_OPERAND_DISP) && |
1259 | (operand->bits == 20)) | |
1260 | reloc = BFD_RELOC_390_GOT20; | |
16a419ba NC |
1261 | else if ((operand->flags & S390_OPERAND_SIGNED) |
1262 | && (operand->bits == 16)) | |
07855bec | 1263 | reloc = BFD_RELOC_390_GOT16; |
16a419ba NC |
1264 | else if ((operand->flags & S390_OPERAND_PCREL) |
1265 | && (operand->bits == 32)) | |
07855bec NC |
1266 | reloc = BFD_RELOC_390_GOTENT; |
1267 | } | |
1268 | else if (suffix == ELF_SUFFIX_PLT) | |
1269 | { | |
16a419ba | 1270 | if ((operand->flags & S390_OPERAND_PCREL) |
fb798c50 AK |
1271 | && (operand->bits == 12)) |
1272 | reloc = BFD_RELOC_390_PLT12DBL; | |
1273 | else if ((operand->flags & S390_OPERAND_PCREL) | |
1274 | && (operand->bits == 16)) | |
07855bec | 1275 | reloc = BFD_RELOC_390_PLT16DBL; |
fb798c50 AK |
1276 | else if ((operand->flags & S390_OPERAND_PCREL) |
1277 | && (operand->bits == 24)) | |
1278 | reloc = BFD_RELOC_390_PLT24DBL; | |
16a419ba NC |
1279 | else if ((operand->flags & S390_OPERAND_PCREL) |
1280 | && (operand->bits == 32)) | |
07855bec NC |
1281 | reloc = BFD_RELOC_390_PLT32DBL; |
1282 | } | |
1283 | else if (suffix == ELF_SUFFIX_GOTENT) | |
1284 | { | |
16a419ba NC |
1285 | if ((operand->flags & S390_OPERAND_PCREL) |
1286 | && (operand->bits == 32)) | |
07855bec NC |
1287 | reloc = BFD_RELOC_390_GOTENT; |
1288 | } | |
2a19f73f MS |
1289 | else if (suffix == ELF_SUFFIX_GOTOFF) |
1290 | { | |
1291 | if ((operand->flags & S390_OPERAND_SIGNED) | |
1292 | && (operand->bits == 16)) | |
1293 | reloc = BFD_RELOC_16_GOTOFF; | |
1294 | } | |
1295 | else if (suffix == ELF_SUFFIX_PLTOFF) | |
1296 | { | |
1297 | if ((operand->flags & S390_OPERAND_SIGNED) | |
1298 | && (operand->bits == 16)) | |
1299 | reloc = BFD_RELOC_390_PLTOFF16; | |
1300 | } | |
1301 | else if (suffix == ELF_SUFFIX_GOTPLT) | |
1302 | { | |
1303 | if ((operand->flags & S390_OPERAND_DISP) | |
1304 | && (operand->bits == 12)) | |
1305 | reloc = BFD_RELOC_390_GOTPLT12; | |
1306 | else if ((operand->flags & S390_OPERAND_SIGNED) | |
1307 | && (operand->bits == 16)) | |
1308 | reloc = BFD_RELOC_390_GOTPLT16; | |
1309 | else if ((operand->flags & S390_OPERAND_PCREL) | |
1310 | && (operand->bits == 32)) | |
1311 | reloc = BFD_RELOC_390_GOTPLTENT; | |
1312 | } | |
1971b29d MS |
1313 | else if (suffix == ELF_SUFFIX_TLS_GOTIE) |
1314 | { | |
1315 | if ((operand->flags & S390_OPERAND_DISP) | |
1316 | && (operand->bits == 12)) | |
1317 | reloc = BFD_RELOC_390_TLS_GOTIE12; | |
933fbc29 MS |
1318 | else if ((operand->flags & S390_OPERAND_DISP) |
1319 | && (operand->bits == 20)) | |
1320 | reloc = BFD_RELOC_390_TLS_GOTIE20; | |
1971b29d MS |
1321 | } |
1322 | else if (suffix == ELF_SUFFIX_TLS_IE) | |
1323 | { | |
1324 | if ((operand->flags & S390_OPERAND_PCREL) | |
1325 | && (operand->bits == 32)) | |
1326 | reloc = BFD_RELOC_390_TLS_IEENT; | |
1327 | } | |
07855bec NC |
1328 | |
1329 | if (suffix != ELF_SUFFIX_NONE && reloc == BFD_RELOC_UNUSED) | |
1330 | as_bad (_("invalid operand suffix")); | |
1331 | /* We need to generate a fixup of type 'reloc' for this | |
1332 | expression. */ | |
a85d7ed0 NC |
1333 | if (fc >= MAX_INSN_FIXUPS) |
1334 | as_fatal (_("too many fixups")); | |
1335 | fixups[fc].exp = ex; | |
1336 | fixups[fc].opindex = *opindex_ptr; | |
07855bec | 1337 | fixups[fc].reloc = reloc; |
a85d7ed0 | 1338 | ++fc; |
07855bec | 1339 | } |
198ce79b | 1340 | |
07855bec NC |
1341 | /* Check the next character. The call to expression has advanced |
1342 | str past any whitespace. */ | |
1343 | if (operand->flags & S390_OPERAND_DISP) | |
1344 | { | |
1345 | /* After a displacement a block in parentheses can start. */ | |
1346 | if (*str != '(') | |
1347 | { | |
67c1ffbe | 1348 | /* Check if parenthesized block can be skipped. If the next |
07855bec NC |
1349 | operand is neiter an optional operand nor a base register |
1350 | then we have a syntax error. */ | |
1351 | operand = s390_operands + *(++opindex_ptr); | |
1352 | if (!(operand->flags & (S390_OPERAND_INDEX|S390_OPERAND_BASE))) | |
1353 | as_bad (_("syntax error; missing '(' after displacement")); | |
1354 | ||
1355 | /* Ok, skip all operands until S390_OPERAND_BASE. */ | |
1356 | while (!(operand->flags & S390_OPERAND_BASE)) | |
1357 | operand = s390_operands + *(++opindex_ptr); | |
198ce79b | 1358 | |
67c1ffbe | 1359 | /* If there is a next operand it must be separated by a comma. */ |
07855bec NC |
1360 | if (opindex_ptr[1] != '\0') |
1361 | { | |
6c639ef9 MS |
1362 | if (*str != ',') |
1363 | { | |
1364 | while (opindex_ptr[1] != '\0') | |
1365 | { | |
1366 | operand = s390_operands + *(++opindex_ptr); | |
1367 | if (operand->flags & S390_OPERAND_OPTIONAL) | |
1368 | continue; | |
1369 | as_bad (_("syntax error; expected ,")); | |
1370 | break; | |
1371 | } | |
1372 | } | |
1373 | else | |
1374 | str++; | |
07855bec NC |
1375 | } |
1376 | } | |
1377 | else | |
1378 | { | |
1379 | /* We found an opening parentheses. */ | |
1380 | str++; | |
1381 | for (f = str; *f != '\0'; f++) | |
1382 | if (*f == ',' || *f == ')') | |
1383 | break; | |
1384 | /* If there is no comma until the closing parentheses OR | |
1385 | there is a comma right after the opening parentheses, | |
1386 | we have to skip optional operands. */ | |
1387 | if (*f == ',' && f == str) | |
1388 | { | |
1389 | /* comma directly after '(' ? */ | |
1390 | skip_optional = 1; | |
1391 | str++; | |
1392 | } | |
1393 | else | |
1394 | skip_optional = (*f != ','); | |
1395 | } | |
1396 | } | |
1397 | else if (operand->flags & S390_OPERAND_BASE) | |
1398 | { | |
1399 | /* After the base register the parenthesed block ends. */ | |
1400 | if (*str++ != ')') | |
1401 | as_bad (_("syntax error; missing ')' after base register")); | |
1402 | skip_optional = 0; | |
67c1ffbe | 1403 | /* If there is a next operand it must be separated by a comma. */ |
07855bec NC |
1404 | if (opindex_ptr[1] != '\0') |
1405 | { | |
6c639ef9 MS |
1406 | if (*str != ',') |
1407 | { | |
1408 | while (opindex_ptr[1] != '\0') | |
1409 | { | |
1410 | operand = s390_operands + *(++opindex_ptr); | |
1411 | if (operand->flags & S390_OPERAND_OPTIONAL) | |
1412 | continue; | |
1413 | as_bad (_("syntax error; expected ,")); | |
1414 | break; | |
1415 | } | |
1416 | } | |
1417 | else | |
1418 | str++; | |
07855bec NC |
1419 | } |
1420 | } | |
1421 | else | |
1422 | { | |
1423 | /* We can find an 'early' closing parentheses in e.g. D(L) instead | |
1424 | of D(L,B). In this case the base register has to be skipped. */ | |
1425 | if (*str == ')') | |
1426 | { | |
1427 | operand = s390_operands + *(++opindex_ptr); | |
1428 | ||
1429 | if (!(operand->flags & S390_OPERAND_BASE)) | |
1430 | as_bad (_("syntax error; ')' not allowed here")); | |
1431 | str++; | |
1432 | } | |
1e2e8c52 AK |
1433 | |
1434 | if ((opcode->flags & S390_INSTR_FLAG_OPTPARM) && *str == '\0') | |
1435 | continue; | |
1436 | ||
67c1ffbe | 1437 | /* If there is a next operand it must be separated by a comma. */ |
07855bec NC |
1438 | if (opindex_ptr[1] != '\0') |
1439 | { | |
6c639ef9 MS |
1440 | if (*str != ',') |
1441 | { | |
1442 | while (opindex_ptr[1] != '\0') | |
1443 | { | |
1444 | operand = s390_operands + *(++opindex_ptr); | |
1445 | if (operand->flags & S390_OPERAND_OPTIONAL) | |
1446 | continue; | |
1447 | as_bad (_("syntax error; expected ,")); | |
1448 | break; | |
1449 | } | |
1450 | } | |
1451 | else | |
1452 | str++; | |
07855bec | 1453 | } |
a85d7ed0 | 1454 | } |
a85d7ed0 | 1455 | } |
a85d7ed0 | 1456 | |
3882b010 | 1457 | while (ISSPACE (*str)) |
a85d7ed0 NC |
1458 | ++str; |
1459 | ||
1971b29d MS |
1460 | /* Check for tls instruction marker. */ |
1461 | reloc = s390_tls_suffix (&str, &ex); | |
1462 | if (reloc != BFD_RELOC_UNUSED) | |
1463 | { | |
1464 | /* We need to generate a fixup of type 'reloc' for this | |
1465 | instruction. */ | |
1466 | if (fc >= MAX_INSN_FIXUPS) | |
1467 | as_fatal (_("too many fixups")); | |
1468 | fixups[fc].exp = ex; | |
1469 | fixups[fc].opindex = -1; | |
1470 | fixups[fc].reloc = reloc; | |
1471 | ++fc; | |
1472 | } | |
1473 | ||
07855bec NC |
1474 | if (*str != '\0') |
1475 | { | |
1476 | char *linefeed; | |
a85d7ed0 | 1477 | |
07726851 | 1478 | if ((linefeed = strchr (str, '\n')) != NULL) |
07855bec NC |
1479 | *linefeed = '\0'; |
1480 | as_bad (_("junk at end of line: `%s'"), str); | |
1481 | if (linefeed != NULL) | |
1482 | *linefeed = '\n'; | |
1483 | } | |
a85d7ed0 NC |
1484 | |
1485 | /* Write out the instruction. */ | |
1486 | f = frag_more (opcode->oplen); | |
07855bec | 1487 | memcpy (f, insn, opcode->oplen); |
8f5b2891 | 1488 | dwarf2_emit_insn (opcode->oplen); |
a85d7ed0 NC |
1489 | |
1490 | /* Create any fixups. At this point we do not use a | |
1491 | bfd_reloc_code_real_type, but instead just use the | |
1492 | BFD_RELOC_UNUSED plus the operand index. This lets us easily | |
1493 | handle fixups for any operand type, although that is admittedly | |
1494 | not a very exciting feature. We pick a BFD reloc type in | |
55cf6793 | 1495 | md_apply_fix. */ |
07855bec NC |
1496 | for (i = 0; i < fc; i++) |
1497 | { | |
1971b29d MS |
1498 | |
1499 | if (fixups[i].opindex < 0) | |
1500 | { | |
1501 | /* Create tls instruction marker relocation. */ | |
1502 | fix_new_exp (frag_now, f - frag_now->fr_literal, opcode->oplen, | |
1503 | &fixups[i].exp, 0, fixups[i].reloc); | |
1504 | continue; | |
1505 | } | |
1506 | ||
07855bec | 1507 | operand = s390_operands + fixups[i].opindex; |
a85d7ed0 | 1508 | |
07855bec NC |
1509 | if (fixups[i].reloc != BFD_RELOC_UNUSED) |
1510 | { | |
1511 | reloc_howto_type *reloc_howto; | |
1512 | fixS *fixP; | |
1513 | int size; | |
198ce79b | 1514 | |
07855bec NC |
1515 | reloc_howto = bfd_reloc_type_lookup (stdoutput, fixups[i].reloc); |
1516 | if (!reloc_howto) | |
1517 | abort (); | |
198ce79b | 1518 | |
fb798c50 | 1519 | size = ((reloc_howto->bitsize - 1) / 8) + 1; |
07855bec NC |
1520 | |
1521 | if (size < 1 || size > 4) | |
1522 | abort (); | |
198ce79b AJ |
1523 | |
1524 | fixP = fix_new_exp (frag_now, | |
1525 | f - frag_now->fr_literal + (operand->shift/8), | |
07855bec NC |
1526 | size, &fixups[i].exp, reloc_howto->pc_relative, |
1527 | fixups[i].reloc); | |
1528 | /* Turn off overflow checking in fixup_segment. This is necessary | |
1529 | because fixup_segment will signal an overflow for large 4 byte | |
1530 | quantities for GOT12 relocations. */ | |
16a419ba | 1531 | if ( fixups[i].reloc == BFD_RELOC_390_GOT12 |
933fbc29 | 1532 | || fixups[i].reloc == BFD_RELOC_390_GOT20 |
16a419ba | 1533 | || fixups[i].reloc == BFD_RELOC_390_GOT16) |
07855bec NC |
1534 | fixP->fx_no_overflow = 1; |
1535 | } | |
1536 | else | |
1537 | fix_new_exp (frag_now, f - frag_now->fr_literal, 4, &fixups[i].exp, | |
1538 | (operand->flags & S390_OPERAND_PCREL) != 0, | |
1539 | ((bfd_reloc_code_real_type) | |
1540 | (fixups[i].opindex + (int) BFD_RELOC_UNUSED))); | |
1541 | } | |
a85d7ed0 NC |
1542 | return str; |
1543 | } | |
1544 | ||
1545 | /* This routine is called for each instruction to be assembled. */ | |
1546 | ||
1547 | void | |
5a49b8ac | 1548 | md_assemble (char *str) |
a85d7ed0 NC |
1549 | { |
1550 | const struct s390_opcode *opcode; | |
1551 | unsigned char insn[6]; | |
1552 | char *s; | |
1553 | ||
1554 | /* Get the opcode. */ | |
3882b010 | 1555 | for (s = str; *s != '\0' && ! ISSPACE (*s); s++) |
a85d7ed0 NC |
1556 | ; |
1557 | if (*s != '\0') | |
1558 | *s++ = '\0'; | |
1559 | ||
1560 | /* Look up the opcode in the hash table. */ | |
1561 | opcode = (struct s390_opcode *) hash_find (s390_opcode_hash, str); | |
07855bec NC |
1562 | if (opcode == (const struct s390_opcode *) NULL) |
1563 | { | |
1564 | as_bad (_("Unrecognized opcode: `%s'"), str); | |
1565 | return; | |
1566 | } | |
37a58793 MS |
1567 | else if (!(opcode->modes & current_mode_mask)) |
1568 | { | |
20203fb9 | 1569 | as_bad (_("Opcode %s not available in this mode"), str); |
37a58793 MS |
1570 | return; |
1571 | } | |
07726851 | 1572 | memcpy (insn, opcode->opcode, sizeof (insn)); |
07855bec | 1573 | md_gather_operands (s, insn, opcode); |
a85d7ed0 NC |
1574 | } |
1575 | ||
1576 | #ifndef WORKING_DOT_WORD | |
1577 | /* Handle long and short jumps. We don't support these */ | |
1578 | void | |
1579 | md_create_short_jump (ptr, from_addr, to_addr, frag, to_symbol) | |
1580 | char *ptr; | |
1581 | addressT from_addr, to_addr; | |
1582 | fragS *frag; | |
1583 | symbolS *to_symbol; | |
1584 | { | |
1585 | abort (); | |
1586 | } | |
1587 | ||
1588 | void | |
1589 | md_create_long_jump (ptr, from_addr, to_addr, frag, to_symbol) | |
1590 | char *ptr; | |
1591 | addressT from_addr, to_addr; | |
1592 | fragS *frag; | |
1593 | symbolS *to_symbol; | |
1594 | { | |
1595 | abort (); | |
1596 | } | |
1597 | #endif | |
1598 | ||
1599 | void | |
5a49b8ac | 1600 | s390_bss (int ignore ATTRIBUTE_UNUSED) |
a85d7ed0 NC |
1601 | { |
1602 | /* We don't support putting frags in the BSS segment, we fake it | |
1603 | by marking in_bss, then looking at s_skip for clues. */ | |
1604 | ||
1605 | subseg_set (bss_section, 0); | |
1606 | demand_empty_rest_of_line (); | |
1607 | } | |
1608 | ||
1609 | /* Pseudo-op handling. */ | |
1610 | ||
1611 | void | |
5a49b8ac | 1612 | s390_insn (int ignore ATTRIBUTE_UNUSED) |
a85d7ed0 NC |
1613 | { |
1614 | expressionS exp; | |
1615 | const struct s390_opcode *opformat; | |
1616 | unsigned char insn[6]; | |
1617 | char *s; | |
1618 | ||
1619 | /* Get the opcode format. */ | |
1620 | s = input_line_pointer; | |
3882b010 | 1621 | while (*s != '\0' && *s != ',' && ! ISSPACE (*s)) |
a85d7ed0 NC |
1622 | s++; |
1623 | if (*s != ',') | |
1624 | as_bad (_("Invalid .insn format\n")); | |
1625 | *s++ = '\0'; | |
1626 | ||
1627 | /* Look up the opcode in the hash table. */ | |
1628 | opformat = (struct s390_opcode *) | |
1629 | hash_find (s390_opformat_hash, input_line_pointer); | |
07855bec NC |
1630 | if (opformat == (const struct s390_opcode *) NULL) |
1631 | { | |
1632 | as_bad (_("Unrecognized opcode format: `%s'"), input_line_pointer); | |
1633 | return; | |
1634 | } | |
a85d7ed0 NC |
1635 | input_line_pointer = s; |
1636 | expression (&exp); | |
07855bec NC |
1637 | if (exp.X_op == O_constant) |
1638 | { | |
1d6d62a4 | 1639 | if ( ( opformat->oplen == 6 |
1d6d62a4 MS |
1640 | && (addressT) exp.X_add_number < (1ULL << 48)) |
1641 | || ( opformat->oplen == 4 | |
1d6d62a4 MS |
1642 | && (addressT) exp.X_add_number < (1ULL << 32)) |
1643 | || ( opformat->oplen == 2 | |
1d6d62a4 | 1644 | && (addressT) exp.X_add_number < (1ULL << 16))) |
2132e3a3 | 1645 | md_number_to_chars ((char *) insn, exp.X_add_number, opformat->oplen); |
07855bec | 1646 | else |
07726851 | 1647 | as_bad (_("Invalid .insn format\n")); |
07855bec NC |
1648 | } |
1649 | else if (exp.X_op == O_big) | |
1650 | { | |
16a419ba NC |
1651 | if (exp.X_add_number > 0 |
1652 | && opformat->oplen == 6 | |
1653 | && generic_bignum[3] == 0) | |
07855bec | 1654 | { |
2132e3a3 AM |
1655 | md_number_to_chars ((char *) insn, generic_bignum[2], 2); |
1656 | md_number_to_chars ((char *) &insn[2], generic_bignum[1], 2); | |
1657 | md_number_to_chars ((char *) &insn[4], generic_bignum[0], 2); | |
07855bec NC |
1658 | } |
1659 | else | |
07726851 | 1660 | as_bad (_("Invalid .insn format\n")); |
07855bec NC |
1661 | } |
1662 | else | |
a85d7ed0 | 1663 | as_bad (_("second operand of .insn not a constant\n")); |
a85d7ed0 | 1664 | |
b6849f55 NC |
1665 | if (strcmp (opformat->name, "e") != 0 && *input_line_pointer++ != ',') |
1666 | as_bad (_("missing comma after insn constant\n")); | |
98d3f06f | 1667 | |
07726851 | 1668 | if ((s = strchr (input_line_pointer, '\n')) != NULL) |
a85d7ed0 | 1669 | *s = '\0'; |
b6849f55 NC |
1670 | input_line_pointer = md_gather_operands (input_line_pointer, insn, |
1671 | opformat); | |
a85d7ed0 NC |
1672 | if (s != NULL) |
1673 | *s = '\n'; | |
1674 | demand_empty_rest_of_line (); | |
1675 | } | |
1676 | ||
1677 | /* The .byte pseudo-op. This is similar to the normal .byte | |
1678 | pseudo-op, but it can also take a single ASCII string. */ | |
1679 | ||
1680 | static void | |
5a49b8ac | 1681 | s390_byte (int ignore ATTRIBUTE_UNUSED) |
a85d7ed0 NC |
1682 | { |
1683 | if (*input_line_pointer != '\"') | |
1684 | { | |
1685 | cons (1); | |
1686 | return; | |
1687 | } | |
1688 | ||
1689 | /* Gather characters. A real double quote is doubled. Unusual | |
1690 | characters are not permitted. */ | |
1691 | ++input_line_pointer; | |
1692 | while (1) | |
1693 | { | |
1694 | char c; | |
1695 | ||
1696 | c = *input_line_pointer++; | |
1697 | ||
1698 | if (c == '\"') | |
1699 | { | |
1700 | if (*input_line_pointer != '\"') | |
1701 | break; | |
1702 | ++input_line_pointer; | |
1703 | } | |
1704 | ||
1705 | FRAG_APPEND_1_CHAR (c); | |
1706 | } | |
1707 | ||
1708 | demand_empty_rest_of_line (); | |
1709 | } | |
1710 | ||
1711 | /* The .ltorg pseudo-op.This emits all literals defined since the last | |
198ce79b | 1712 | .ltorg or the invocation of gas. Literals are defined with the |
a85d7ed0 NC |
1713 | @lit suffix. */ |
1714 | ||
1715 | static void | |
5a49b8ac | 1716 | s390_literals (int ignore ATTRIBUTE_UNUSED) |
a85d7ed0 NC |
1717 | { |
1718 | struct s390_lpe *lpe; | |
1719 | ||
1720 | if (lp_sym == NULL || lpe_count == 0) | |
98d3f06f | 1721 | return; /* Nothing to be done. */ |
a85d7ed0 NC |
1722 | |
1723 | /* Emit symbol for start of literal pool. */ | |
1724 | S_SET_SEGMENT (lp_sym, now_seg); | |
1725 | S_SET_VALUE (lp_sym, (valueT) frag_now_fix ()); | |
1726 | lp_sym->sy_frag = frag_now; | |
1727 | ||
07855bec NC |
1728 | while (lpe_list) |
1729 | { | |
1730 | lpe = lpe_list; | |
1731 | lpe_list = lpe_list->next; | |
1732 | S_SET_SEGMENT (lpe->sym, now_seg); | |
1733 | S_SET_VALUE (lpe->sym, (valueT) frag_now_fix ()); | |
1734 | lpe->sym->sy_frag = frag_now; | |
1735 | ||
1736 | /* Emit literal pool entry. */ | |
1737 | if (lpe->reloc != BFD_RELOC_UNUSED) | |
1738 | { | |
198ce79b | 1739 | reloc_howto_type *reloc_howto = |
07855bec NC |
1740 | bfd_reloc_type_lookup (stdoutput, lpe->reloc); |
1741 | int size = bfd_get_reloc_size (reloc_howto); | |
1742 | char *where; | |
1743 | ||
1744 | if (size > lpe->nbytes) | |
1745 | as_bad (_("%s relocations do not fit in %d bytes"), | |
1746 | reloc_howto->name, lpe->nbytes); | |
07726851 | 1747 | where = frag_more (lpe->nbytes); |
07855bec NC |
1748 | md_number_to_chars (where, 0, size); |
1749 | fix_new_exp (frag_now, where - frag_now->fr_literal, | |
1750 | size, &lpe->ex, reloc_howto->pc_relative, lpe->reloc); | |
1751 | } | |
1752 | else | |
1753 | { | |
1754 | if (lpe->ex.X_op == O_big) | |
1755 | { | |
1756 | if (lpe->ex.X_add_number <= 0) | |
1757 | generic_floating_point_number = lpe->floatnum; | |
1758 | else | |
1759 | memcpy (generic_bignum, lpe->bignum, | |
98d3f06f | 1760 | lpe->ex.X_add_number * sizeof (LITTLENUM_TYPE)); |
07855bec NC |
1761 | } |
1762 | emit_expr (&lpe->ex, lpe->nbytes); | |
1763 | } | |
a85d7ed0 | 1764 | |
07855bec NC |
1765 | lpe->next = lpe_free_list; |
1766 | lpe_free_list = lpe; | |
1767 | } | |
a85d7ed0 NC |
1768 | lpe_list_tail = NULL; |
1769 | lp_sym = NULL; | |
1770 | lp_count++; | |
1771 | lpe_count = 0; | |
1772 | } | |
1773 | ||
902cc293 AK |
1774 | /* The .machine pseudo op allows to switch to a different CPU level in |
1775 | the asm listing. The current CPU setting can be stored on a stack | |
1dd53816 | 1776 | with .machine push and restored with .machine pop. */ |
902cc293 AK |
1777 | |
1778 | static void | |
1779 | s390_machine (int ignore ATTRIBUTE_UNUSED) | |
1780 | { | |
1781 | char *cpu_string; | |
1782 | #define MAX_HISTORY 100 | |
1783 | static unsigned int *cpu_history; | |
1784 | static int curr_hist; | |
1785 | ||
1786 | SKIP_WHITESPACE (); | |
1787 | ||
1788 | if (*input_line_pointer == '"') | |
1789 | { | |
1790 | int len; | |
1791 | cpu_string = demand_copy_C_string (&len); | |
1792 | } | |
1793 | else | |
1794 | { | |
1795 | char c; | |
1796 | cpu_string = input_line_pointer; | |
1797 | c = get_symbol_end (); | |
1798 | cpu_string = xstrdup (cpu_string); | |
1799 | *input_line_pointer = c; | |
1800 | } | |
1801 | ||
1802 | if (cpu_string != NULL) | |
1803 | { | |
1804 | unsigned int old_cpu = current_cpu; | |
1805 | unsigned int new_cpu; | |
902cc293 AK |
1806 | |
1807 | if (strcmp (cpu_string, "push") == 0) | |
1808 | { | |
1809 | if (cpu_history == NULL) | |
1810 | cpu_history = xmalloc (MAX_HISTORY * sizeof (*cpu_history)); | |
1811 | ||
1812 | if (curr_hist >= MAX_HISTORY) | |
1813 | as_bad (_(".machine stack overflow")); | |
1814 | else | |
1815 | cpu_history[curr_hist++] = current_cpu; | |
1816 | } | |
1817 | else if (strcmp (cpu_string, "pop") == 0) | |
1818 | { | |
1819 | if (curr_hist <= 0) | |
1820 | as_bad (_(".machine stack underflow")); | |
1821 | else | |
1822 | current_cpu = cpu_history[--curr_hist]; | |
1823 | } | |
1824 | else if ((new_cpu = s390_parse_cpu (cpu_string)) != (unsigned int)-1) | |
1825 | current_cpu = new_cpu; | |
1826 | else | |
1827 | as_bad (_("invalid machine `%s'"), cpu_string); | |
1828 | ||
1829 | if (current_cpu != old_cpu) | |
1830 | s390_setup_opcodes (); | |
1831 | } | |
1832 | ||
1833 | demand_empty_rest_of_line (); | |
1834 | } | |
1835 | ||
1dd53816 AK |
1836 | /* The .machinemode pseudo op allows to switch to a different |
1837 | architecture mode in the asm listing. The current architecture | |
1838 | mode setting can be stored on a stack with .machinemode push and | |
1839 | restored with .machinemode pop. */ | |
1840 | ||
1841 | static void | |
1842 | s390_machinemode (int ignore ATTRIBUTE_UNUSED) | |
1843 | { | |
1844 | char *mode_string; | |
1845 | #define MAX_HISTORY 100 | |
1846 | static unsigned int *mode_history; | |
1847 | static int curr_hist; | |
1848 | ||
1849 | SKIP_WHITESPACE (); | |
1850 | ||
1851 | if (*input_line_pointer == '"') | |
1852 | { | |
1853 | int len; | |
1854 | mode_string = demand_copy_C_string (&len); | |
1855 | } | |
1856 | else | |
1857 | { | |
1858 | char c; | |
1859 | mode_string = input_line_pointer; | |
1860 | c = get_symbol_end (); | |
1861 | mode_string = xstrdup (mode_string); | |
1862 | *input_line_pointer = c; | |
1863 | } | |
1864 | ||
1865 | if (mode_string != NULL) | |
1866 | { | |
1867 | unsigned int old_mode_mask = current_mode_mask; | |
1868 | char *p; | |
1869 | ||
1870 | for (p = mode_string; *p != 0; p++) | |
1871 | *p = TOLOWER (*p); | |
1872 | ||
1873 | if (strcmp (mode_string, "push") == 0) | |
1874 | { | |
1875 | if (mode_history == NULL) | |
1876 | mode_history = xmalloc (MAX_HISTORY * sizeof (*mode_history)); | |
1877 | ||
1878 | if (curr_hist >= MAX_HISTORY) | |
1879 | as_bad (_(".machinemode stack overflow")); | |
1880 | else | |
1881 | mode_history[curr_hist++] = current_mode_mask; | |
1882 | } | |
1883 | else if (strcmp (mode_string, "pop") == 0) | |
1884 | { | |
1885 | if (curr_hist <= 0) | |
1886 | as_bad (_(".machinemode stack underflow")); | |
1887 | else | |
1888 | current_mode_mask = mode_history[--curr_hist]; | |
1889 | } | |
1890 | else | |
1891 | { | |
1892 | if (strcmp (mode_string, "esa") == 0) | |
1893 | current_mode_mask = 1 << S390_OPCODE_ESA; | |
1894 | else if (strcmp (mode_string, "zarch") == 0) | |
1895 | { | |
1896 | if (s390_arch_size == 32) | |
1897 | set_highgprs_p = TRUE; | |
1898 | current_mode_mask = 1 << S390_OPCODE_ZARCH; | |
1899 | } | |
1900 | else if (strcmp (mode_string, "zarch_nohighgprs") == 0) | |
1901 | current_mode_mask = 1 << S390_OPCODE_ZARCH; | |
1902 | else | |
1903 | as_bad (_("invalid machine `%s'"), mode_string); | |
1904 | } | |
1905 | ||
1906 | if (current_mode_mask != old_mode_mask) | |
1907 | s390_setup_opcodes (); | |
1908 | } | |
1909 | ||
1910 | demand_empty_rest_of_line (); | |
1911 | } | |
1912 | ||
a85d7ed0 | 1913 | char * |
499ac353 | 1914 | md_atof (int type, char *litp, int *sizep) |
a85d7ed0 | 1915 | { |
499ac353 | 1916 | return ieee_md_atof (type, litp, sizep, TRUE); |
a85d7ed0 NC |
1917 | } |
1918 | ||
1919 | /* Align a section (I don't know why this is machine dependent). */ | |
1920 | ||
1921 | valueT | |
5a49b8ac | 1922 | md_section_align (asection *seg, valueT addr) |
a85d7ed0 NC |
1923 | { |
1924 | int align = bfd_get_section_alignment (stdoutput, seg); | |
1925 | ||
1926 | return ((addr + (1 << align) - 1) & (-1 << align)); | |
1927 | } | |
1928 | ||
1929 | /* We don't have any form of relaxing. */ | |
1930 | ||
1931 | int | |
5a49b8ac AM |
1932 | md_estimate_size_before_relax (fragS *fragp ATTRIBUTE_UNUSED, |
1933 | asection *seg ATTRIBUTE_UNUSED) | |
a85d7ed0 NC |
1934 | { |
1935 | abort (); | |
1936 | return 0; | |
1937 | } | |
1938 | ||
1939 | /* Convert a machine dependent frag. We never generate these. */ | |
1940 | ||
1941 | void | |
5a49b8ac AM |
1942 | md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED, |
1943 | asection *sec ATTRIBUTE_UNUSED, | |
1944 | fragS *fragp ATTRIBUTE_UNUSED) | |
a85d7ed0 NC |
1945 | { |
1946 | abort (); | |
1947 | } | |
1948 | ||
1949 | symbolS * | |
5a49b8ac | 1950 | md_undefined_symbol (char *name) |
a85d7ed0 | 1951 | { |
98d3f06f | 1952 | if (*name == '_' && *(name + 1) == 'G' |
07726851 | 1953 | && strcmp (name, "_GLOBAL_OFFSET_TABLE_") == 0) |
98d3f06f KH |
1954 | { |
1955 | if (!GOT_symbol) | |
1956 | { | |
1957 | if (symbol_find (name)) | |
1958 | as_bad (_("GOT already in symbol table")); | |
1959 | GOT_symbol = symbol_new (name, undefined_section, | |
1960 | (valueT) 0, &zero_address_frag); | |
1961 | } | |
1962 | return GOT_symbol; | |
1963 | } | |
a85d7ed0 NC |
1964 | return 0; |
1965 | } | |
1966 | ||
1967 | /* Functions concerning relocs. */ | |
1968 | ||
1969 | /* The location from which a PC relative jump should be calculated, | |
1970 | given a PC relative reloc. */ | |
1971 | ||
1972 | long | |
5a49b8ac | 1973 | md_pcrel_from_section (fixS *fixp, segT sec ATTRIBUTE_UNUSED) |
a85d7ed0 NC |
1974 | { |
1975 | return fixp->fx_frag->fr_address + fixp->fx_where; | |
1976 | } | |
1977 | ||
1978 | /* Here we decide which fixups can be adjusted to make them relative to | |
1979 | the beginning of the section instead of the symbol. Basically we need | |
1980 | to make sure that the dynamic relocations are done correctly, so in | |
1981 | some cases we force the original symbol to be used. */ | |
1982 | int | |
5a49b8ac | 1983 | tc_s390_fix_adjustable (fixS *fixP) |
a85d7ed0 | 1984 | { |
0a00dd48 MS |
1985 | /* Don't adjust references to merge sections. */ |
1986 | if ((S_GET_SEGMENT (fixP->fx_addsy)->flags & SEC_MERGE) != 0) | |
1987 | return 0; | |
a85d7ed0 | 1988 | /* adjust_reloc_syms doesn't know about the GOT. */ |
2a19f73f MS |
1989 | if ( fixP->fx_r_type == BFD_RELOC_16_GOTOFF |
1990 | || fixP->fx_r_type == BFD_RELOC_32_GOTOFF | |
1991 | || fixP->fx_r_type == BFD_RELOC_390_GOTOFF64 | |
1992 | || fixP->fx_r_type == BFD_RELOC_390_PLTOFF16 | |
1993 | || fixP->fx_r_type == BFD_RELOC_390_PLTOFF32 | |
1994 | || fixP->fx_r_type == BFD_RELOC_390_PLTOFF64 | |
fb798c50 | 1995 | || fixP->fx_r_type == BFD_RELOC_390_PLT12DBL |
a85d7ed0 | 1996 | || fixP->fx_r_type == BFD_RELOC_390_PLT16DBL |
fb798c50 | 1997 | || fixP->fx_r_type == BFD_RELOC_390_PLT24DBL |
a85d7ed0 NC |
1998 | || fixP->fx_r_type == BFD_RELOC_390_PLT32 |
1999 | || fixP->fx_r_type == BFD_RELOC_390_PLT32DBL | |
2000 | || fixP->fx_r_type == BFD_RELOC_390_PLT64 | |
2001 | || fixP->fx_r_type == BFD_RELOC_390_GOT12 | |
933fbc29 | 2002 | || fixP->fx_r_type == BFD_RELOC_390_GOT20 |
a85d7ed0 NC |
2003 | || fixP->fx_r_type == BFD_RELOC_390_GOT16 |
2004 | || fixP->fx_r_type == BFD_RELOC_32_GOT_PCREL | |
2005 | || fixP->fx_r_type == BFD_RELOC_390_GOT64 | |
07855bec | 2006 | || fixP->fx_r_type == BFD_RELOC_390_GOTENT |
2a19f73f MS |
2007 | || fixP->fx_r_type == BFD_RELOC_390_GOTPLT12 |
2008 | || fixP->fx_r_type == BFD_RELOC_390_GOTPLT16 | |
933fbc29 | 2009 | || fixP->fx_r_type == BFD_RELOC_390_GOTPLT20 |
2a19f73f MS |
2010 | || fixP->fx_r_type == BFD_RELOC_390_GOTPLT32 |
2011 | || fixP->fx_r_type == BFD_RELOC_390_GOTPLT64 | |
2012 | || fixP->fx_r_type == BFD_RELOC_390_GOTPLTENT | |
1971b29d MS |
2013 | || fixP->fx_r_type == BFD_RELOC_390_TLS_LOAD |
2014 | || fixP->fx_r_type == BFD_RELOC_390_TLS_GDCALL | |
2015 | || fixP->fx_r_type == BFD_RELOC_390_TLS_LDCALL | |
2016 | || fixP->fx_r_type == BFD_RELOC_390_TLS_GD32 | |
2017 | || fixP->fx_r_type == BFD_RELOC_390_TLS_GD64 | |
2018 | || fixP->fx_r_type == BFD_RELOC_390_TLS_GOTIE12 | |
933fbc29 | 2019 | || fixP->fx_r_type == BFD_RELOC_390_TLS_GOTIE20 |
1971b29d MS |
2020 | || fixP->fx_r_type == BFD_RELOC_390_TLS_GOTIE32 |
2021 | || fixP->fx_r_type == BFD_RELOC_390_TLS_GOTIE64 | |
2022 | || fixP->fx_r_type == BFD_RELOC_390_TLS_LDM32 | |
2023 | || fixP->fx_r_type == BFD_RELOC_390_TLS_LDM64 | |
2024 | || fixP->fx_r_type == BFD_RELOC_390_TLS_IE32 | |
2025 | || fixP->fx_r_type == BFD_RELOC_390_TLS_IE64 | |
2026 | || fixP->fx_r_type == BFD_RELOC_390_TLS_IEENT | |
2027 | || fixP->fx_r_type == BFD_RELOC_390_TLS_LE32 | |
2028 | || fixP->fx_r_type == BFD_RELOC_390_TLS_LE64 | |
2029 | || fixP->fx_r_type == BFD_RELOC_390_TLS_LDO32 | |
2030 | || fixP->fx_r_type == BFD_RELOC_390_TLS_LDO64 | |
2031 | || fixP->fx_r_type == BFD_RELOC_390_TLS_DTPMOD | |
2032 | || fixP->fx_r_type == BFD_RELOC_390_TLS_DTPOFF | |
2033 | || fixP->fx_r_type == BFD_RELOC_390_TLS_TPOFF | |
a85d7ed0 NC |
2034 | || fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT |
2035 | || fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY) | |
2036 | return 0; | |
2037 | return 1; | |
2038 | } | |
2039 | ||
b8edc45c | 2040 | /* Return true if we must always emit a reloc for a type and false if |
c03099e6 | 2041 | there is some hope of resolving it at assembly time. */ |
b8edc45c | 2042 | int |
5a49b8ac | 2043 | tc_s390_force_relocation (struct fix *fixp) |
b8edc45c MS |
2044 | { |
2045 | /* Ensure we emit a relocation for every reference to the global | |
2046 | offset table or to the procedure link table. */ | |
2047 | switch (fixp->fx_r_type) | |
2048 | { | |
2049 | case BFD_RELOC_390_GOT12: | |
933fbc29 | 2050 | case BFD_RELOC_390_GOT20: |
b8edc45c MS |
2051 | case BFD_RELOC_32_GOT_PCREL: |
2052 | case BFD_RELOC_32_GOTOFF: | |
2a19f73f MS |
2053 | case BFD_RELOC_390_GOTOFF64: |
2054 | case BFD_RELOC_390_PLTOFF16: | |
2055 | case BFD_RELOC_390_PLTOFF32: | |
2056 | case BFD_RELOC_390_PLTOFF64: | |
b8edc45c MS |
2057 | case BFD_RELOC_390_GOTPC: |
2058 | case BFD_RELOC_390_GOT16: | |
2059 | case BFD_RELOC_390_GOTPCDBL: | |
2060 | case BFD_RELOC_390_GOT64: | |
2061 | case BFD_RELOC_390_GOTENT: | |
2062 | case BFD_RELOC_390_PLT32: | |
fb798c50 | 2063 | case BFD_RELOC_390_PLT12DBL: |
b8edc45c | 2064 | case BFD_RELOC_390_PLT16DBL: |
fb798c50 | 2065 | case BFD_RELOC_390_PLT24DBL: |
b8edc45c MS |
2066 | case BFD_RELOC_390_PLT32DBL: |
2067 | case BFD_RELOC_390_PLT64: | |
2a19f73f MS |
2068 | case BFD_RELOC_390_GOTPLT12: |
2069 | case BFD_RELOC_390_GOTPLT16: | |
933fbc29 | 2070 | case BFD_RELOC_390_GOTPLT20: |
2a19f73f MS |
2071 | case BFD_RELOC_390_GOTPLT32: |
2072 | case BFD_RELOC_390_GOTPLT64: | |
2073 | case BFD_RELOC_390_GOTPLTENT: | |
b8edc45c MS |
2074 | return 1; |
2075 | default: | |
5bb3703f | 2076 | break; |
b8edc45c | 2077 | } |
a161fe53 | 2078 | |
ae6063d4 | 2079 | return generic_force_reloc (fixp); |
b8edc45c MS |
2080 | } |
2081 | ||
a85d7ed0 NC |
2082 | /* Apply a fixup to the object code. This is called for all the |
2083 | fixups we generated by the call to fix_new_exp, above. In the call | |
2084 | above we used a reloc code which was the largest legal reloc code | |
2085 | plus the operand index. Here we undo that to recover the operand | |
2086 | index. At this point all symbol values should be fully resolved, | |
2087 | and we attempt to completely resolve the reloc. If we can not do | |
2088 | that, we determine the correct reloc code and put it back in the | |
2089 | fixup. */ | |
2090 | ||
94f592af | 2091 | void |
5a49b8ac | 2092 | md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED) |
a85d7ed0 NC |
2093 | { |
2094 | char *where; | |
98d3f06f | 2095 | valueT value = *valP; |
a85d7ed0 | 2096 | |
94f592af | 2097 | where = fixP->fx_frag->fr_literal + fixP->fx_where; |
a85d7ed0 | 2098 | |
98d3f06f | 2099 | if (fixP->fx_subsy != NULL) |
f1fc51da | 2100 | as_bad_where (fixP->fx_file, fixP->fx_line, |
20203fb9 | 2101 | _("cannot emit relocation %s against subsy symbol %s"), |
f1fc51da MS |
2102 | bfd_get_reloc_code_name (fixP->fx_r_type), |
2103 | S_GET_NAME (fixP->fx_subsy)); | |
98d3f06f KH |
2104 | |
2105 | if (fixP->fx_addsy != NULL) | |
07855bec | 2106 | { |
94f592af NC |
2107 | if (fixP->fx_pcrel) |
2108 | value += fixP->fx_frag->fr_address + fixP->fx_where; | |
07855bec NC |
2109 | } |
2110 | else | |
94f592af | 2111 | fixP->fx_done = 1; |
a85d7ed0 | 2112 | |
94f592af | 2113 | if ((int) fixP->fx_r_type >= (int) BFD_RELOC_UNUSED) |
07855bec NC |
2114 | { |
2115 | const struct s390_operand *operand; | |
2116 | int opindex; | |
198ce79b | 2117 | |
94f592af | 2118 | opindex = (int) fixP->fx_r_type - (int) BFD_RELOC_UNUSED; |
07855bec | 2119 | operand = &s390_operands[opindex]; |
198ce79b | 2120 | |
94f592af | 2121 | if (fixP->fx_done) |
07855bec NC |
2122 | { |
2123 | /* Insert the fully resolved operand value. */ | |
2132e3a3 AM |
2124 | s390_insert_operand ((unsigned char *) where, operand, |
2125 | (offsetT) value, fixP->fx_file, fixP->fx_line); | |
94f592af | 2126 | return; |
07855bec | 2127 | } |
198ce79b | 2128 | |
07855bec NC |
2129 | /* Determine a BFD reloc value based on the operand information. |
2130 | We are only prepared to turn a few of the operands into | |
2131 | relocs. */ | |
94f592af | 2132 | fixP->fx_offset = value; |
07855bec NC |
2133 | if (operand->bits == 12 && operand->shift == 20) |
2134 | { | |
94f592af NC |
2135 | fixP->fx_size = 2; |
2136 | fixP->fx_where += 2; | |
2137 | fixP->fx_r_type = BFD_RELOC_390_12; | |
07855bec NC |
2138 | } |
2139 | else if (operand->bits == 12 && operand->shift == 36) | |
2140 | { | |
94f592af NC |
2141 | fixP->fx_size = 2; |
2142 | fixP->fx_where += 4; | |
2143 | fixP->fx_r_type = BFD_RELOC_390_12; | |
07855bec | 2144 | } |
933fbc29 MS |
2145 | else if (operand->bits == 20 && operand->shift == 20) |
2146 | { | |
2147 | fixP->fx_size = 2; | |
2148 | fixP->fx_where += 2; | |
2149 | fixP->fx_r_type = BFD_RELOC_390_20; | |
2150 | } | |
07855bec NC |
2151 | else if (operand->bits == 8 && operand->shift == 8) |
2152 | { | |
94f592af NC |
2153 | fixP->fx_size = 1; |
2154 | fixP->fx_where += 1; | |
2155 | fixP->fx_r_type = BFD_RELOC_8; | |
07855bec | 2156 | } |
fb798c50 AK |
2157 | else if (operand->bits == 12 && operand->shift == 12 |
2158 | && (operand->flags & S390_OPERAND_PCREL)) | |
2159 | { | |
2160 | fixP->fx_size = 2; | |
2161 | fixP->fx_where += 1; | |
2162 | fixP->fx_offset += 1; | |
2163 | fixP->fx_r_type = BFD_RELOC_390_PC12DBL; | |
2164 | } | |
07855bec NC |
2165 | else if (operand->bits == 16 && operand->shift == 16) |
2166 | { | |
94f592af NC |
2167 | fixP->fx_size = 2; |
2168 | fixP->fx_where += 2; | |
07855bec NC |
2169 | if (operand->flags & S390_OPERAND_PCREL) |
2170 | { | |
94f592af NC |
2171 | fixP->fx_r_type = BFD_RELOC_390_PC16DBL; |
2172 | fixP->fx_offset += 2; | |
07855bec NC |
2173 | } |
2174 | else | |
94f592af | 2175 | fixP->fx_r_type = BFD_RELOC_16; |
07855bec | 2176 | } |
fb798c50 AK |
2177 | else if (operand->bits == 24 && operand->shift == 24 |
2178 | && (operand->flags & S390_OPERAND_PCREL)) | |
2179 | { | |
2180 | fixP->fx_size = 3; | |
2181 | fixP->fx_where += 3; | |
2182 | fixP->fx_offset += 3; | |
2183 | fixP->fx_r_type = BFD_RELOC_390_PC24DBL; | |
2184 | } | |
16a419ba NC |
2185 | else if (operand->bits == 32 && operand->shift == 16 |
2186 | && (operand->flags & S390_OPERAND_PCREL)) | |
07855bec | 2187 | { |
94f592af NC |
2188 | fixP->fx_size = 4; |
2189 | fixP->fx_where += 2; | |
2190 | fixP->fx_offset += 2; | |
2191 | fixP->fx_r_type = BFD_RELOC_390_PC32DBL; | |
07855bec | 2192 | } |
a85d7ed0 | 2193 | else |
07855bec NC |
2194 | { |
2195 | char *sfile; | |
2196 | unsigned int sline; | |
198ce79b | 2197 | |
07855bec NC |
2198 | /* Use expr_symbol_where to see if this is an expression |
2199 | symbol. */ | |
94f592af NC |
2200 | if (expr_symbol_where (fixP->fx_addsy, &sfile, &sline)) |
2201 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
07855bec NC |
2202 | _("unresolved expression that must be resolved")); |
2203 | else | |
94f592af | 2204 | as_bad_where (fixP->fx_file, fixP->fx_line, |
07855bec | 2205 | _("unsupported relocation type")); |
94f592af NC |
2206 | fixP->fx_done = 1; |
2207 | return; | |
07855bec | 2208 | } |
a85d7ed0 | 2209 | } |
07855bec NC |
2210 | else |
2211 | { | |
94f592af | 2212 | switch (fixP->fx_r_type) |
07855bec NC |
2213 | { |
2214 | case BFD_RELOC_8: | |
94f592af | 2215 | if (fixP->fx_pcrel) |
07855bec | 2216 | abort (); |
94f592af | 2217 | if (fixP->fx_done) |
07855bec NC |
2218 | md_number_to_chars (where, value, 1); |
2219 | break; | |
2220 | case BFD_RELOC_390_12: | |
2221 | case BFD_RELOC_390_GOT12: | |
2a19f73f | 2222 | case BFD_RELOC_390_GOTPLT12: |
fb798c50 AK |
2223 | case BFD_RELOC_390_PC12DBL: |
2224 | case BFD_RELOC_390_PLT12DBL: | |
2225 | if (fixP->fx_pcrel) | |
2226 | value++; | |
2227 | ||
94f592af | 2228 | if (fixP->fx_done) |
07855bec NC |
2229 | { |
2230 | unsigned short mop; | |
2231 | ||
fb798c50 AK |
2232 | if (fixP->fx_pcrel) |
2233 | value >>= 1; | |
2234 | ||
07855bec NC |
2235 | mop = bfd_getb16 ((unsigned char *) where); |
2236 | mop |= (unsigned short) (value & 0xfff); | |
2237 | bfd_putb16 ((bfd_vma) mop, (unsigned char *) where); | |
198ce79b | 2238 | } |
07855bec | 2239 | break; |
198ce79b | 2240 | |
933fbc29 MS |
2241 | case BFD_RELOC_390_20: |
2242 | case BFD_RELOC_390_GOT20: | |
2243 | case BFD_RELOC_390_GOTPLT20: | |
2244 | if (fixP->fx_done) | |
2245 | { | |
2246 | unsigned int mop; | |
2247 | mop = bfd_getb32 ((unsigned char *) where); | |
2248 | mop |= (unsigned int) ((value & 0xfff) << 8 | | |
2249 | (value & 0xff000) >> 12); | |
2250 | bfd_putb32 ((bfd_vma) mop, (unsigned char *) where); | |
2251 | } | |
2252 | break; | |
2253 | ||
07855bec NC |
2254 | case BFD_RELOC_16: |
2255 | case BFD_RELOC_GPREL16: | |
2256 | case BFD_RELOC_16_GOT_PCREL: | |
2257 | case BFD_RELOC_16_GOTOFF: | |
94f592af NC |
2258 | if (fixP->fx_pcrel) |
2259 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
20203fb9 | 2260 | _("cannot emit PC relative %s relocation%s%s"), |
94f592af NC |
2261 | bfd_get_reloc_code_name (fixP->fx_r_type), |
2262 | fixP->fx_addsy != NULL ? " against " : "", | |
2263 | (fixP->fx_addsy != NULL | |
2264 | ? S_GET_NAME (fixP->fx_addsy) | |
07855bec | 2265 | : "")); |
94f592af | 2266 | if (fixP->fx_done) |
07855bec NC |
2267 | md_number_to_chars (where, value, 2); |
2268 | break; | |
2269 | case BFD_RELOC_390_GOT16: | |
2a19f73f MS |
2270 | case BFD_RELOC_390_PLTOFF16: |
2271 | case BFD_RELOC_390_GOTPLT16: | |
94f592af | 2272 | if (fixP->fx_done) |
07855bec NC |
2273 | md_number_to_chars (where, value, 2); |
2274 | break; | |
2275 | case BFD_RELOC_390_PC16DBL: | |
2276 | case BFD_RELOC_390_PLT16DBL: | |
2277 | value += 2; | |
94f592af | 2278 | if (fixP->fx_done) |
07855bec NC |
2279 | md_number_to_chars (where, (offsetT) value >> 1, 2); |
2280 | break; | |
2281 | ||
fb798c50 AK |
2282 | case BFD_RELOC_390_PC24DBL: |
2283 | case BFD_RELOC_390_PLT24DBL: | |
2284 | value += 3; | |
2285 | if (fixP->fx_done) | |
2286 | { | |
2287 | unsigned int mop; | |
2288 | value >>= 1; | |
2289 | ||
2290 | mop = bfd_getb32 ((unsigned char *) where - 1); | |
2291 | mop |= (unsigned int) (value & 0xffffff); | |
2292 | bfd_putb32 ((bfd_vma) mop, (unsigned char *) where - 1); | |
2293 | } | |
2294 | break; | |
2295 | ||
07855bec | 2296 | case BFD_RELOC_32: |
94f592af NC |
2297 | if (fixP->fx_pcrel) |
2298 | fixP->fx_r_type = BFD_RELOC_32_PCREL; | |
07855bec | 2299 | else |
94f592af NC |
2300 | fixP->fx_r_type = BFD_RELOC_32; |
2301 | if (fixP->fx_done) | |
07855bec NC |
2302 | md_number_to_chars (where, value, 4); |
2303 | break; | |
2304 | case BFD_RELOC_32_PCREL: | |
2305 | case BFD_RELOC_32_BASEREL: | |
94f592af NC |
2306 | fixP->fx_r_type = BFD_RELOC_32_PCREL; |
2307 | if (fixP->fx_done) | |
07855bec NC |
2308 | md_number_to_chars (where, value, 4); |
2309 | break; | |
2310 | case BFD_RELOC_32_GOT_PCREL: | |
2a19f73f | 2311 | case BFD_RELOC_390_PLTOFF32: |
07855bec | 2312 | case BFD_RELOC_390_PLT32: |
2a19f73f | 2313 | case BFD_RELOC_390_GOTPLT32: |
94f592af | 2314 | if (fixP->fx_done) |
07855bec NC |
2315 | md_number_to_chars (where, value, 4); |
2316 | break; | |
2317 | case BFD_RELOC_390_PC32DBL: | |
2318 | case BFD_RELOC_390_PLT32DBL: | |
2319 | case BFD_RELOC_390_GOTPCDBL: | |
2320 | case BFD_RELOC_390_GOTENT: | |
2a19f73f | 2321 | case BFD_RELOC_390_GOTPLTENT: |
07855bec | 2322 | value += 2; |
94f592af | 2323 | if (fixP->fx_done) |
07855bec NC |
2324 | md_number_to_chars (where, (offsetT) value >> 1, 4); |
2325 | break; | |
2326 | ||
2327 | case BFD_RELOC_32_GOTOFF: | |
94f592af | 2328 | if (fixP->fx_done) |
07726851 | 2329 | md_number_to_chars (where, value, sizeof (int)); |
07855bec NC |
2330 | break; |
2331 | ||
2a19f73f MS |
2332 | case BFD_RELOC_390_GOTOFF64: |
2333 | if (fixP->fx_done) | |
2334 | md_number_to_chars (where, value, 8); | |
2335 | break; | |
2336 | ||
07855bec | 2337 | case BFD_RELOC_390_GOT64: |
2a19f73f | 2338 | case BFD_RELOC_390_PLTOFF64: |
07855bec | 2339 | case BFD_RELOC_390_PLT64: |
2a19f73f | 2340 | case BFD_RELOC_390_GOTPLT64: |
94f592af | 2341 | if (fixP->fx_done) |
07855bec NC |
2342 | md_number_to_chars (where, value, 8); |
2343 | break; | |
2344 | ||
2345 | case BFD_RELOC_64: | |
94f592af NC |
2346 | if (fixP->fx_pcrel) |
2347 | fixP->fx_r_type = BFD_RELOC_64_PCREL; | |
07855bec | 2348 | else |
94f592af NC |
2349 | fixP->fx_r_type = BFD_RELOC_64; |
2350 | if (fixP->fx_done) | |
07855bec NC |
2351 | md_number_to_chars (where, value, 8); |
2352 | break; | |
2353 | ||
2354 | case BFD_RELOC_64_PCREL: | |
94f592af NC |
2355 | fixP->fx_r_type = BFD_RELOC_64_PCREL; |
2356 | if (fixP->fx_done) | |
07855bec NC |
2357 | md_number_to_chars (where, value, 8); |
2358 | break; | |
2359 | ||
2360 | case BFD_RELOC_VTABLE_INHERIT: | |
2361 | case BFD_RELOC_VTABLE_ENTRY: | |
94f592af NC |
2362 | fixP->fx_done = 0; |
2363 | return; | |
07855bec | 2364 | |
1971b29d MS |
2365 | case BFD_RELOC_390_TLS_LOAD: |
2366 | case BFD_RELOC_390_TLS_GDCALL: | |
2367 | case BFD_RELOC_390_TLS_LDCALL: | |
2368 | case BFD_RELOC_390_TLS_GD32: | |
2369 | case BFD_RELOC_390_TLS_GD64: | |
2370 | case BFD_RELOC_390_TLS_GOTIE12: | |
933fbc29 | 2371 | case BFD_RELOC_390_TLS_GOTIE20: |
1971b29d MS |
2372 | case BFD_RELOC_390_TLS_GOTIE32: |
2373 | case BFD_RELOC_390_TLS_GOTIE64: | |
2374 | case BFD_RELOC_390_TLS_LDM32: | |
2375 | case BFD_RELOC_390_TLS_LDM64: | |
2376 | case BFD_RELOC_390_TLS_IE32: | |
2377 | case BFD_RELOC_390_TLS_IE64: | |
2378 | case BFD_RELOC_390_TLS_LE32: | |
2379 | case BFD_RELOC_390_TLS_LE64: | |
2380 | case BFD_RELOC_390_TLS_LDO32: | |
2381 | case BFD_RELOC_390_TLS_LDO64: | |
2382 | case BFD_RELOC_390_TLS_DTPMOD: | |
2383 | case BFD_RELOC_390_TLS_DTPOFF: | |
2384 | case BFD_RELOC_390_TLS_TPOFF: | |
7c1d0959 | 2385 | S_SET_THREAD_LOCAL (fixP->fx_addsy); |
1971b29d MS |
2386 | /* Fully resolved at link time. */ |
2387 | break; | |
2388 | case BFD_RELOC_390_TLS_IEENT: | |
2389 | /* Fully resolved at link time. */ | |
7c1d0959 | 2390 | S_SET_THREAD_LOCAL (fixP->fx_addsy); |
1971b29d MS |
2391 | value += 2; |
2392 | break; | |
2393 | ||
07855bec NC |
2394 | default: |
2395 | { | |
94f592af | 2396 | const char *reloc_name = bfd_get_reloc_code_name (fixP->fx_r_type); |
198ce79b | 2397 | |
07855bec | 2398 | if (reloc_name != NULL) |
20203fb9 | 2399 | as_fatal (_("Gas failure, reloc type %s\n"), reloc_name); |
07855bec | 2400 | else |
20203fb9 | 2401 | as_fatal (_("Gas failure, reloc type #%i\n"), fixP->fx_r_type); |
07855bec NC |
2402 | } |
2403 | } | |
a85d7ed0 | 2404 | |
94f592af | 2405 | fixP->fx_offset = value; |
07855bec | 2406 | } |
a85d7ed0 NC |
2407 | } |
2408 | ||
2409 | /* Generate a reloc for a fixup. */ | |
2410 | ||
2411 | arelent * | |
5a49b8ac | 2412 | tc_gen_reloc (asection *seg ATTRIBUTE_UNUSED, fixS *fixp) |
a85d7ed0 NC |
2413 | { |
2414 | bfd_reloc_code_real_type code; | |
2415 | arelent *reloc; | |
2416 | ||
2417 | code = fixp->fx_r_type; | |
07855bec NC |
2418 | if (GOT_symbol && fixp->fx_addsy == GOT_symbol) |
2419 | { | |
16a419ba NC |
2420 | if ( (s390_arch_size == 32 && code == BFD_RELOC_32_PCREL) |
2421 | || (s390_arch_size == 64 && code == BFD_RELOC_64_PCREL)) | |
07855bec NC |
2422 | code = BFD_RELOC_390_GOTPC; |
2423 | if (code == BFD_RELOC_390_PC32DBL) | |
2424 | code = BFD_RELOC_390_GOTPCDBL; | |
2425 | } | |
a85d7ed0 NC |
2426 | |
2427 | reloc = (arelent *) xmalloc (sizeof (arelent)); | |
2428 | reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *)); | |
2429 | *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); | |
2430 | reloc->address = fixp->fx_frag->fr_address + fixp->fx_where; | |
2431 | reloc->howto = bfd_reloc_type_lookup (stdoutput, code); | |
2432 | if (reloc->howto == NULL) | |
2433 | { | |
2434 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
98d3f06f KH |
2435 | _("cannot represent relocation type %s"), |
2436 | bfd_get_reloc_code_name (code)); | |
a85d7ed0 NC |
2437 | /* Set howto to a garbage value so that we can keep going. */ |
2438 | reloc->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_32); | |
9c2799c2 | 2439 | gas_assert (reloc->howto != NULL); |
a85d7ed0 NC |
2440 | } |
2441 | reloc->addend = fixp->fx_offset; | |
2442 | ||
2443 | return reloc; | |
2444 | } | |
75e21f08 JJ |
2445 | |
2446 | void | |
5a49b8ac | 2447 | s390_cfi_frame_initial_instructions (void) |
75e21f08 JJ |
2448 | { |
2449 | cfi_add_CFA_def_cfa (15, s390_arch_size == 64 ? 160 : 96); | |
2450 | } | |
2451 | ||
2452 | int | |
1df69f4f | 2453 | tc_s390_regname_to_dw2regnum (char *regname) |
75e21f08 JJ |
2454 | { |
2455 | int regnum = -1; | |
2456 | ||
2457 | if (regname[0] != 'c' && regname[0] != 'a') | |
2458 | { | |
1e2e8c52 | 2459 | regnum = reg_name_search (regname); |
75e21f08 JJ |
2460 | if (regname[0] == 'f' && regnum != -1) |
2461 | regnum += 16; | |
2462 | } | |
2463 | else if (strcmp (regname, "ap") == 0) | |
2464 | regnum = 32; | |
2465 | else if (strcmp (regname, "cc") == 0) | |
2466 | regnum = 33; | |
2467 | return regnum; | |
2468 | } | |
55786da2 AK |
2469 | |
2470 | void | |
2471 | s390_elf_final_processing (void) | |
2472 | { | |
1dd53816 | 2473 | if (set_highgprs_p) |
55786da2 AK |
2474 | elf_elfheader (stdoutput)->e_flags |= EF_S390_HIGH_GPRS; |
2475 | } |