1 | /* PLT trampoline. MIPS version. |
2 | Copyright (C) 1996-2022 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library. If not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | /* FIXME: Profiling of shared libraries is not implemented yet. */ |
20 | |
21 | #include <sysdep.h> |
22 | #include <link.h> |
23 | #include <elf.h> |
24 | #include <ldsodefs.h> |
25 | #include <dl-machine.h> |
26 | #include <sysdep-cancel.h> |
27 | |
28 | /* Get link map for callers object containing STUB_PC. */ |
29 | static inline struct link_map * |
30 | elf_machine_runtime_link_map (ElfW(Addr) gpreg, ElfW(Addr) stub_pc) |
31 | { |
32 | extern int _dl_mips_gnu_objects; |
33 | |
34 | /* got[1] is reserved to keep its link map address for the shared |
35 | object generated by the gnu linker. If all are such objects, we |
36 | can find the link map from current GPREG simply. If not so, get |
37 | the link map for caller's object containing STUB_PC. */ |
38 | |
39 | if (_dl_mips_gnu_objects) |
40 | { |
41 | ElfW(Addr) *got = elf_mips_got_from_gpreg (gpreg); |
42 | ElfW(Word) g1; |
43 | |
44 | g1 = ((ElfW(Word) *) got)[1]; |
45 | |
46 | if ((g1 & ELF_MIPS_GNU_GOT1_MASK) != 0) |
47 | { |
48 | struct link_map *l = |
49 | (struct link_map *) (g1 & ~ELF_MIPS_GNU_GOT1_MASK); |
50 | ElfW(Addr) base, limit; |
51 | const ElfW(Phdr) *p = l->l_phdr; |
52 | ElfW(Half) this, nent = l->l_phnum; |
53 | |
54 | /* For the common case of a stub being called from the containing |
55 | object, STUB_PC will point to somewhere within the object that |
56 | is described by the link map fetched via got[1]. Otherwise we |
57 | have to scan all maps. */ |
58 | for (this = 0; this < nent; this++) |
59 | { |
60 | if (p[this].p_type == PT_LOAD) |
61 | { |
62 | base = p[this].p_vaddr + l->l_addr; |
63 | limit = base + p[this].p_memsz; |
64 | if (stub_pc >= base && stub_pc < limit) |
65 | return l; |
66 | } |
67 | } |
68 | } |
69 | } |
70 | |
71 | struct link_map *l; |
72 | Lmid_t nsid; |
73 | |
74 | for (nsid = 0; nsid < DL_NNS; ++nsid) |
75 | for (l = GL(dl_ns)[nsid]._ns_loaded; l != NULL; l = l->l_next) |
76 | { |
77 | ElfW(Addr) base, limit; |
78 | const ElfW(Phdr) *p = l->l_phdr; |
79 | ElfW(Half) this, nent = l->l_phnum; |
80 | |
81 | for (this = 0; this < nent; ++this) |
82 | { |
83 | if (p[this].p_type == PT_LOAD) |
84 | { |
85 | base = p[this].p_vaddr + l->l_addr; |
86 | limit = base + p[this].p_memsz; |
87 | if (stub_pc >= base && stub_pc < limit) |
88 | return l; |
89 | } |
90 | } |
91 | } |
92 | |
93 | _dl_signal_error (0, NULL, NULL, "cannot find runtime link map" ); |
94 | return NULL; |
95 | } |
96 | |
97 | /* Define mips specific runtime resolver. The function __dl_runtime_resolve |
98 | is called from assembler function _dl_runtime_resolve which converts |
99 | special argument registers t7 ($15) and t8 ($24): |
100 | t7 address to return to the caller of the function |
101 | t8 index for this function symbol in .dynsym |
102 | to usual c arguments. |
103 | |
104 | Other architectures call fixup from dl-runtime.c in |
105 | _dl_runtime_resolve. MIPS instead calls __dl_runtime_resolve. We |
106 | have to use our own version because of the way the got section is |
107 | treated on MIPS (we've also got ELF_MACHINE_PLT defined). */ |
108 | |
109 | /* The flag _dl_mips_gnu_objects is set if all dynamic objects are |
110 | generated by the gnu linker. */ |
111 | int _dl_mips_gnu_objects = 1; |
112 | |
113 | /* This is called from assembly stubs below which the compiler can't see. */ |
114 | static ElfW(Addr) |
115 | __dl_runtime_resolve (ElfW(Word), ElfW(Word), ElfW(Addr), ElfW(Addr)) |
116 | __attribute_used__; |
117 | |
118 | static ElfW(Addr) |
119 | __dl_runtime_resolve (ElfW(Word) sym_index, |
120 | ElfW(Word) return_address, |
121 | ElfW(Addr) old_gpreg, |
122 | ElfW(Addr) stub_pc) |
123 | { |
124 | struct link_map *l = elf_machine_runtime_link_map (gpreg: old_gpreg, stub_pc); |
125 | const ElfW(Sym) *const symtab |
126 | = (const ElfW(Sym) *) D_PTR (l, l_info[DT_SYMTAB]); |
127 | const char *strtab = (const void *) D_PTR (l, l_info[DT_STRTAB]); |
128 | ElfW(Addr) *got |
129 | = (ElfW(Addr) *) D_PTR (l, l_info[DT_PLTGOT]); |
130 | const ElfW(Word) local_gotno |
131 | = (const ElfW(Word)) l->l_info[DT_MIPS (LOCAL_GOTNO)]->d_un.d_val; |
132 | const ElfW(Word) gotsym |
133 | = (const ElfW(Word)) l->l_info[DT_MIPS (GOTSYM)]->d_un.d_val; |
134 | const ElfW(Sym) *sym = &symtab[sym_index]; |
135 | struct link_map *sym_map; |
136 | ElfW(Addr) value; |
137 | |
138 | /* FIXME: The symbol versioning stuff is not tested yet. */ |
139 | if (__builtin_expect (ELFW(ST_VISIBILITY) (sym->st_other), 0) == 0) |
140 | { |
141 | switch (l->l_info[VERSYMIDX (DT_VERSYM)] != NULL ? 1 : 0) |
142 | { |
143 | default: |
144 | { |
145 | const ElfW(Half) *vernum = |
146 | (const void *) D_PTR (l, l_info[VERSYMIDX (DT_VERSYM)]); |
147 | ElfW(Half) ndx = vernum[sym_index] & 0x7fff; |
148 | const struct r_found_version *version = &l->l_versions[ndx]; |
149 | |
150 | if (version->hash != 0) |
151 | { |
152 | /* We need to keep the scope around so do some locking. This is |
153 | not necessary for objects which cannot be unloaded or when |
154 | we are not using any threads (yet). */ |
155 | if (!RTLD_SINGLE_THREAD_P) |
156 | THREAD_GSCOPE_SET_FLAG (); |
157 | |
158 | sym_map = _dl_lookup_symbol_x (undef: strtab + sym->st_name, undef_map: l, |
159 | sym: &sym, symbol_scope: l->l_scope, version, |
160 | ELF_RTYPE_CLASS_PLT, flags: 0, skip_map: 0); |
161 | |
162 | /* We are done with the global scope. */ |
163 | if (!RTLD_SINGLE_THREAD_P) |
164 | THREAD_GSCOPE_RESET_FLAG (); |
165 | |
166 | break; |
167 | } |
168 | } |
169 | /* Fall through. */ |
170 | case 0: |
171 | { |
172 | /* We need to keep the scope around so do some locking. This is |
173 | not necessary for objects which cannot be unloaded or when |
174 | we are not using any threads (yet). */ |
175 | int flags = DL_LOOKUP_ADD_DEPENDENCY; |
176 | if (!RTLD_SINGLE_THREAD_P) |
177 | { |
178 | THREAD_GSCOPE_SET_FLAG (); |
179 | flags |= DL_LOOKUP_GSCOPE_LOCK; |
180 | } |
181 | |
182 | sym_map = _dl_lookup_symbol_x (undef: strtab + sym->st_name, undef_map: l, sym: &sym, |
183 | symbol_scope: l->l_scope, version: 0, ELF_RTYPE_CLASS_PLT, |
184 | flags, skip_map: 0); |
185 | |
186 | /* We are done with the global scope. */ |
187 | if (!RTLD_SINGLE_THREAD_P) |
188 | THREAD_GSCOPE_RESET_FLAG (); |
189 | } |
190 | } |
191 | |
192 | /* Currently value contains the base load address of the object |
193 | that defines sym. Now add in the symbol offset. */ |
194 | value = SYMBOL_ADDRESS (sym_map, sym, true); |
195 | } |
196 | else |
197 | /* We already found the symbol. The module (and therefore its load |
198 | address) is also known. */ |
199 | value = SYMBOL_ADDRESS (l, sym, true); |
200 | |
201 | /* Apply the relocation with that value. */ |
202 | *(got + local_gotno + sym_index - gotsym) = value; |
203 | |
204 | return value; |
205 | } |
206 | |
207 | #if _MIPS_SIM == _ABIO32 |
208 | #define ELF_DL_FRAME_SIZE 40 |
209 | |
210 | #define ELF_DL_SAVE_ARG_REGS "\ |
211 | sw $15, 36($29)\n \ |
212 | sw $4, 16($29)\n \ |
213 | sw $5, 20($29)\n \ |
214 | sw $6, 24($29)\n \ |
215 | sw $7, 28($29)\n \ |
216 | " |
217 | |
218 | #define ELF_DL_RESTORE_ARG_REGS "\ |
219 | lw $31, 36($29)\n \ |
220 | lw $4, 16($29)\n \ |
221 | lw $5, 20($29)\n \ |
222 | lw $6, 24($29)\n \ |
223 | lw $7, 28($29)\n \ |
224 | " |
225 | |
226 | /* The PLT resolver should also save and restore $2 and $3, which are used |
227 | as arguments to MIPS16 stub functions. */ |
228 | #define ELF_DL_PLT_FRAME_SIZE 48 |
229 | |
230 | #define ELF_DL_PLT_SAVE_ARG_REGS \ |
231 | ELF_DL_SAVE_ARG_REGS "\ |
232 | sw $2, 40($29)\n \ |
233 | sw $3, 44($29)\n \ |
234 | " |
235 | |
236 | #define ELF_DL_PLT_RESTORE_ARG_REGS \ |
237 | ELF_DL_RESTORE_ARG_REGS "\ |
238 | lw $2, 40($29)\n \ |
239 | lw $3, 44($29)\n \ |
240 | " |
241 | |
242 | #define IFABIO32(X) X |
243 | #define IFNEWABI(X) |
244 | |
245 | #else /* _MIPS_SIM == _ABIN32 || _MIPS_SIM == _ABI64 */ |
246 | |
247 | #define ELF_DL_FRAME_SIZE 80 |
248 | |
249 | #define ELF_DL_SAVE_ARG_REGS "\ |
250 | sd $15, 72($29)\n \ |
251 | sd $4, 8($29)\n \ |
252 | sd $5, 16($29)\n \ |
253 | sd $6, 24($29)\n \ |
254 | sd $7, 32($29)\n \ |
255 | sd $8, 40($29)\n \ |
256 | sd $9, 48($29)\n \ |
257 | sd $10, 56($29)\n \ |
258 | sd $11, 64($29)\n \ |
259 | " |
260 | |
261 | #define ELF_DL_RESTORE_ARG_REGS "\ |
262 | ld $31, 72($29)\n \ |
263 | ld $4, 8($29)\n \ |
264 | ld $5, 16($29)\n \ |
265 | ld $6, 24($29)\n \ |
266 | ld $7, 32($29)\n \ |
267 | ld $8, 40($29)\n \ |
268 | ld $9, 48($29)\n \ |
269 | ld $10, 56($29)\n \ |
270 | ld $11, 64($29)\n \ |
271 | " |
272 | |
273 | /* The PLT resolver should also save and restore $2 and $3, which are used |
274 | as arguments to MIPS16 stub functions. */ |
275 | #define ELF_DL_PLT_FRAME_SIZE 96 |
276 | |
277 | #define ELF_DL_PLT_SAVE_ARG_REGS \ |
278 | ELF_DL_SAVE_ARG_REGS "\ |
279 | sd $2, 80($29)\n \ |
280 | sd $3, 88($29)\n \ |
281 | " |
282 | |
283 | #define ELF_DL_PLT_RESTORE_ARG_REGS \ |
284 | ELF_DL_RESTORE_ARG_REGS "\ |
285 | ld $2, 80($29)\n \ |
286 | ld $3, 88($29)\n \ |
287 | " |
288 | |
289 | #define IFABIO32(X) |
290 | #define IFNEWABI(X) X |
291 | |
292 | #endif |
293 | |
294 | #ifndef __mips16 |
295 | asm ("\n\ |
296 | .text\n\ |
297 | .align 2\n\ |
298 | .set nomips16\n\ |
299 | .globl _dl_runtime_resolve\n\ |
300 | .type _dl_runtime_resolve,@function\n\ |
301 | .ent _dl_runtime_resolve\n\ |
302 | _dl_runtime_resolve:\n\ |
303 | .frame $29, " STRINGXP(ELF_DL_FRAME_SIZE) ", $31\n\ |
304 | .set noreorder\n\ |
305 | # Save GP.\n\ |
306 | 1: move $3, $28\n\ |
307 | # Save arguments and sp value in stack.\n\ |
308 | " STRINGXP(PTR_SUBIU) " $29, " STRINGXP(ELF_DL_FRAME_SIZE) "\n\ |
309 | # Modify t9 ($25) so as to point .cpload instruction.\n\ |
310 | " IFABIO32(STRINGXP(PTR_ADDIU) " $25, (2f-1b)\n" ) "\ |
311 | # Compute GP.\n\ |
312 | 2: " STRINGXP(SETUP_GP) "\n\ |
313 | " STRINGXV(SETUP_GP64 (0, _dl_runtime_resolve)) "\n\ |
314 | .set reorder\n\ |
315 | # Save slot call pc.\n\ |
316 | move $2, $31\n\ |
317 | " IFABIO32(STRINGXP(CPRESTORE(32))) "\n\ |
318 | " ELF_DL_SAVE_ARG_REGS "\ |
319 | move $4, $24\n\ |
320 | move $5, $15\n\ |
321 | move $6, $3\n\ |
322 | move $7, $2\n\ |
323 | jal __dl_runtime_resolve\n\ |
324 | " ELF_DL_RESTORE_ARG_REGS "\ |
325 | " STRINGXP(RESTORE_GP64) "\n\ |
326 | " STRINGXP(PTR_ADDIU) " $29, " STRINGXP(ELF_DL_FRAME_SIZE) "\n\ |
327 | move $25, $2\n\ |
328 | jr $25\n\ |
329 | .end _dl_runtime_resolve\n\ |
330 | .previous\n\ |
331 | " ); |
332 | |
333 | /* Assembler veneer called from the PLT header code when using PLTs. |
334 | |
335 | Code in each PLT entry and the PLT header fills in the arguments to |
336 | this function: |
337 | |
338 | - $15 (o32 t7, n32/n64 t3) - caller's return address |
339 | - $24 (t8) - PLT entry index |
340 | - $25 (t9) - address of _dl_runtime_pltresolve |
341 | - o32 $28 (gp), n32/n64 $14 (t2) - address of .got.plt |
342 | |
343 | Different registers are used for .got.plt because the ABI was |
344 | originally designed for o32, where gp was available (call |
345 | clobbered). On n32/n64 gp is call saved. |
346 | |
347 | _dl_fixup needs: |
348 | |
349 | - $4 (a0) - link map address |
350 | - $5 (a1) - .rel.plt offset (== PLT entry index * 8) */ |
351 | |
352 | asm ("\n\ |
353 | .text\n\ |
354 | .align 2\n\ |
355 | .set nomips16\n\ |
356 | .globl _dl_runtime_pltresolve\n\ |
357 | .type _dl_runtime_pltresolve,@function\n\ |
358 | .ent _dl_runtime_pltresolve\n\ |
359 | _dl_runtime_pltresolve:\n\ |
360 | .frame $29, " STRINGXP(ELF_DL_PLT_FRAME_SIZE) ", $31\n\ |
361 | .set noreorder\n\ |
362 | # Save arguments and sp value in stack.\n\ |
363 | 1: " STRINGXP(PTR_SUBIU) " $29, " STRINGXP(ELF_DL_PLT_FRAME_SIZE) "\n\ |
364 | " IFABIO32(STRINGXP(PTR_L) " $13, " STRINGXP(PTRSIZE) "($28)" ) "\n\ |
365 | " IFNEWABI(STRINGXP(PTR_L) " $13, " STRINGXP(PTRSIZE) "($14)" ) "\n\ |
366 | # Modify t9 ($25) so as to point .cpload instruction.\n\ |
367 | " IFABIO32(STRINGXP(PTR_ADDIU) " $25, (2f-1b)\n" ) "\ |
368 | # Compute GP.\n\ |
369 | 2: " STRINGXP(SETUP_GP) "\n\ |
370 | " STRINGXV(SETUP_GP64 (0, _dl_runtime_pltresolve)) "\n\ |
371 | .set reorder\n\ |
372 | " IFABIO32(STRINGXP(CPRESTORE(32))) "\n\ |
373 | " ELF_DL_PLT_SAVE_ARG_REGS "\ |
374 | move $4, $13\n\ |
375 | sll $5, $24, " STRINGXP(PTRLOG) " + 1\n\ |
376 | jal _dl_fixup\n\ |
377 | move $25, $2\n\ |
378 | " ELF_DL_PLT_RESTORE_ARG_REGS "\ |
379 | " STRINGXP(RESTORE_GP64) "\n\ |
380 | " STRINGXP(PTR_ADDIU) " $29, " STRINGXP(ELF_DL_PLT_FRAME_SIZE) "\n\ |
381 | jr $25\n\ |
382 | .end _dl_runtime_pltresolve\n\ |
383 | .previous\n\ |
384 | " ); |
385 | |
386 | #elif _MIPS_SIM == _ABIO32 /* __mips16 */ |
387 | /* MIPS16 version, O32 only. */ |
388 | asm ("\n\ |
389 | .text\n\ |
390 | .align 2\n\ |
391 | .set mips16\n\ |
392 | .globl _dl_runtime_resolve\n\ |
393 | .type _dl_runtime_resolve,@function\n\ |
394 | .ent _dl_runtime_resolve\n\ |
395 | _dl_runtime_resolve:\n\ |
396 | .frame $29, " STRINGXP (ELF_DL_FRAME_SIZE) ", $31\n\ |
397 | # Save arguments and sp value in stack.\n\t" |
398 | # if _MIPS_ISA >= _MIPS_ISA_MIPS32 |
399 | "save " STRINGXP (ELF_DL_FRAME_SIZE) ", $4-$7, $ra\n\t" |
400 | # else |
401 | "addiu $sp, -" STRINGXP (ELF_DL_FRAME_SIZE) "\n\ |
402 | sw $7, 32($sp)\n\ |
403 | sw $6, 28($sp)\n\ |
404 | sw $5, 24($sp)\n\ |
405 | sw $4, 20($sp)\n\t" |
406 | # endif |
407 | "# Preserve caller's $ra, for RESTORE instruction below.\n\ |
408 | move $5, $15\n\ |
409 | sw $5, 36($sp)\n\ |
410 | # Compute GP into $2.\n\ |
411 | li $2, %hi(_gp_disp)\n\ |
412 | addiu $3, $pc, %lo(_gp_disp)\n\ |
413 | sll $2, 16\n\ |
414 | addu $2, $3\n\ |
415 | lw $3, %got(__dl_runtime_resolve)($2)\n\ |
416 | move $4, $24\n\ |
417 | addiu $3, %lo(__dl_runtime_resolve)\n\ |
418 | move $7, $ra\n\ |
419 | move $6, $28\n\ |
420 | move $25, $3\n\ |
421 | jalr $3\n\t" |
422 | # if _MIPS_ISA >= _MIPS_ISA_MIPS32 |
423 | "restore " STRINGXP(ELF_DL_FRAME_SIZE) ", $4-$7, $ra\n\t" |
424 | # else |
425 | "# Restore $ra, move placed further down to hide latency.\n\ |
426 | lw $4, 36($sp)\n\ |
427 | lw $5, 24($sp)\n\ |
428 | lw $6, 28($sp)\n\ |
429 | lw $7, 32($sp)\n\ |
430 | move $ra, $4\n\ |
431 | lw $4, 20($sp)\n\ |
432 | addiu $sp, " STRINGXP(ELF_DL_FRAME_SIZE) "\n\t" |
433 | # endif |
434 | "move $25, $2\n\ |
435 | jr $2\n\ |
436 | .end _dl_runtime_resolve\n\ |
437 | .previous\n\ |
438 | " ); |
439 | |
440 | asm ("\n\ |
441 | .text\n\ |
442 | .align 2\n\ |
443 | .set mips16\n\ |
444 | .globl _dl_runtime_pltresolve\n\ |
445 | .type _dl_runtime_pltresolve,@function\n\ |
446 | .ent _dl_runtime_pltresolve\n\ |
447 | _dl_runtime_pltresolve:\n\ |
448 | .frame $29, " STRINGXP(ELF_DL_PLT_FRAME_SIZE) ", $31\n\ |
449 | # Save arguments and sp value in stack.\n\t" |
450 | # if _MIPS_ISA >= _MIPS_ISA_MIPS32 |
451 | "save " STRINGXP(ELF_DL_PLT_FRAME_SIZE) ", $4-$7, $ra\n\t" |
452 | # else |
453 | "addiu $sp, -" STRINGXP(ELF_DL_PLT_FRAME_SIZE) "\n\ |
454 | sw $7, 40($sp)\n\ |
455 | sw $6, 36($sp)\n\ |
456 | sw $5, 32($sp)\n\ |
457 | sw $4, 28($sp)\n\t" |
458 | # endif |
459 | "# Preserve MIPS16 stub function arguments.\n\ |
460 | sw $3, 20($sp)\n\ |
461 | sw $2, 16($sp)\n\ |
462 | # Preserve caller's $ra, for RESTORE instruction below.\n\ |
463 | move $3, $15\n\ |
464 | sw $3, 44($sp)\n\ |
465 | # Compute GP into $2.\n\ |
466 | li $2, %hi(_gp_disp)\n\ |
467 | addiu $3, $pc, %lo(_gp_disp)\n\ |
468 | sll $2, 16\n\ |
469 | addu $2, $3\n\ |
470 | # Save GP value in slot.\n\ |
471 | sw $2, 24($sp)\n\ |
472 | # Load _dl_fixup address.\n\ |
473 | lw $6, %call16(_dl_fixup)($2)\n\ |
474 | # Load link map address.\n\ |
475 | move $3, $28\n\ |
476 | lw $4, " STRINGXP (PTRSIZE) "($3)\n\ |
477 | move $5, $24\n\ |
478 | sll $5, " STRINGXP (PTRLOG) " + 1\n\ |
479 | # Call _dl_fixup.\n\ |
480 | move $25, $6\n\ |
481 | jalr $6\n\ |
482 | move $25, $2\n\ |
483 | # Reload GP value into $28.\n\ |
484 | lw $3, 24($sp)\n\ |
485 | move $28, $3\n\ |
486 | lw $3, 16($sp)\n\ |
487 | move $15, $3\n\ |
488 | lw $3, 20($sp)\n\t" |
489 | # if _MIPS_ISA >= _MIPS_ISA_MIPS32 |
490 | "restore " STRINGXP (ELF_DL_PLT_FRAME_SIZE) ", $4-$7, $ra\n\t" |
491 | # else |
492 | "# Restore $ra, move placed further down to hide latency.\n\ |
493 | lw $4, 44($sp)\n\ |
494 | lw $5, 32($sp)\n\ |
495 | lw $6, 36($sp)\n\ |
496 | lw $7, 40($sp)\n\ |
497 | move $ra, $4\n\ |
498 | lw $4, 28($sp)\n\ |
499 | addiu $sp, " STRINGXP (ELF_DL_PLT_FRAME_SIZE) "\n\t" |
500 | # endif |
501 | ".set noreorder\n\ |
502 | jr $2\n\ |
503 | move $2, $15\n\ |
504 | .set reorder\n\ |
505 | .end _dl_runtime_pltresolve\n\ |
506 | .previous\n\ |
507 | " ); |
508 | |
509 | #else /* __mips16 && _MIPS_SIM != _ABIO32 */ |
510 | # error "MIPS16 support for N32/N64 not implemented" |
511 | |
512 | #endif /* __mips16 */ |
513 | |