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e2879ccb MK |
1 | /* Target-dependent code for OpenBSD/amd64. |
2 | ||
6aba47ca | 3 | Copyright (C) 2003, 2004, 2005, 2007 Free Software Foundation, Inc. |
e2879ccb MK |
4 | |
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
e2879ccb MK |
10 | (at your option) any later version. |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
e2879ccb MK |
19 | |
20 | #include "defs.h" | |
21 | #include "frame.h" | |
f6acec62 | 22 | #include "frame-unwind.h" |
e2879ccb | 23 | #include "gdbcore.h" |
911bc6ee MK |
24 | #include "symtab.h" |
25 | #include "objfiles.h" | |
e2879ccb | 26 | #include "osabi.h" |
d78749b4 | 27 | #include "regcache.h" |
30b344b1 | 28 | #include "regset.h" |
e2879ccb | 29 | #include "target.h" |
f6acec62 | 30 | #include "trad-frame.h" |
e2879ccb MK |
31 | |
32 | #include "gdb_assert.h" | |
33 | #include "gdb_string.h" | |
34 | ||
85be1ca6 | 35 | #include "amd64-tdep.h" |
30b344b1 | 36 | #include "i387-tdep.h" |
7e654c37 | 37 | #include "solib-svr4.h" |
d78749b4 | 38 | #include "bsd-uthread.h" |
30b344b1 MK |
39 | |
40 | /* Support for core dumps. */ | |
41 | ||
42 | static void | |
43 | amd64obsd_supply_regset (const struct regset *regset, | |
44 | struct regcache *regcache, int regnum, | |
45 | const void *regs, size_t len) | |
46 | { | |
9ea75c57 | 47 | const struct gdbarch_tdep *tdep = gdbarch_tdep (regset->arch); |
30b344b1 MK |
48 | |
49 | gdb_assert (len >= tdep->sizeof_gregset + I387_SIZEOF_FXSAVE); | |
50 | ||
51 | i386_supply_gregset (regset, regcache, regnum, regs, tdep->sizeof_gregset); | |
d8de1ef7 MK |
52 | amd64_supply_fxsave (regcache, regnum, |
53 | ((const gdb_byte *)regs) + tdep->sizeof_gregset); | |
30b344b1 MK |
54 | } |
55 | ||
56 | static const struct regset * | |
57 | amd64obsd_regset_from_core_section (struct gdbarch *gdbarch, | |
58 | const char *sect_name, size_t sect_size) | |
59 | { | |
60 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
61 | ||
62 | /* OpenBSD core dumps don't use seperate register sets for the | |
63 | general-purpose and floating-point registers. */ | |
64 | ||
65 | if (strcmp (sect_name, ".reg") == 0 | |
66 | && sect_size >= tdep->sizeof_gregset + I387_SIZEOF_FXSAVE) | |
67 | { | |
68 | if (tdep->gregset == NULL) | |
9ea75c57 | 69 | tdep->gregset = regset_alloc (gdbarch, amd64obsd_supply_regset, NULL); |
30b344b1 MK |
70 | return tdep->gregset; |
71 | } | |
72 | ||
73 | return NULL; | |
74 | } | |
75 | \f | |
e2879ccb MK |
76 | |
77 | /* Support for signal handlers. */ | |
78 | ||
911bc6ee | 79 | /* Default page size. */ |
e2879ccb MK |
80 | static const int amd64obsd_page_size = 4096; |
81 | ||
377d9ebd | 82 | /* Return whether the frame preceding NEXT_FRAME corresponds to an |
911bc6ee MK |
83 | OpenBSD sigtramp routine. */ |
84 | ||
e2879ccb | 85 | static int |
911bc6ee | 86 | amd64obsd_sigtramp_p (struct frame_info *next_frame) |
e2879ccb | 87 | { |
911bc6ee | 88 | CORE_ADDR pc = frame_pc_unwind (next_frame); |
e2879ccb | 89 | CORE_ADDR start_pc = (pc & ~(amd64obsd_page_size - 1)); |
d8de1ef7 | 90 | const gdb_byte sigreturn[] = |
e2879ccb MK |
91 | { |
92 | 0x48, 0xc7, 0xc0, | |
93 | 0x67, 0x00, 0x00, 0x00, /* movq $SYS_sigreturn, %rax */ | |
84d04465 | 94 | 0xcd, 0x80 /* int $0x80 */ |
e2879ccb | 95 | }; |
1c5bf419 | 96 | size_t buflen = (sizeof sigreturn) + 1; |
d8de1ef7 MK |
97 | gdb_byte *buf; |
98 | char *name; | |
911bc6ee MK |
99 | |
100 | /* If the function has a valid symbol name, it isn't a | |
101 | trampoline. */ | |
102 | find_pc_partial_function (pc, &name, NULL, NULL); | |
103 | if (name != NULL) | |
104 | return 0; | |
e2879ccb | 105 | |
911bc6ee MK |
106 | /* If the function lives in a valid section (even without a starting |
107 | point) it isn't a trampoline. */ | |
108 | if (find_pc_section (pc) != NULL) | |
e2879ccb MK |
109 | return 0; |
110 | ||
111 | /* If we can't read the instructions at START_PC, return zero. */ | |
4cd28409 | 112 | buf = alloca ((sizeof sigreturn) + 1); |
1c5bf419 | 113 | if (!safe_frame_unwind_memory (next_frame, start_pc + 6, buf, buflen)) |
e2879ccb MK |
114 | return 0; |
115 | ||
4cd28409 MK |
116 | /* Check for sigreturn(2). Depending on how the assembler encoded |
117 | the `movq %rsp, %rdi' instruction, the code starts at offset 6 or | |
118 | 7. */ | |
119 | if (memcmp (buf, sigreturn, sizeof sigreturn) | |
120 | && memcpy (buf + 1, sigreturn, sizeof sigreturn)) | |
e2879ccb MK |
121 | return 0; |
122 | ||
123 | return 1; | |
124 | } | |
125 | ||
126 | /* Assuming NEXT_FRAME is for a frame following a BSD sigtramp | |
127 | routine, return the address of the associated sigcontext structure. */ | |
128 | ||
129 | static CORE_ADDR | |
130 | amd64obsd_sigcontext_addr (struct frame_info *next_frame) | |
131 | { | |
0fe85704 MK |
132 | CORE_ADDR pc = frame_pc_unwind (next_frame); |
133 | ULONGEST offset = (pc & (amd64obsd_page_size - 1)); | |
134 | ||
e2879ccb | 135 | /* The %rsp register points at `struct sigcontext' upon entry of a |
0fe85704 MK |
136 | signal trampoline. The relevant part of the trampoline is |
137 | ||
138 | call *%rax | |
139 | movq %rsp, %rdi | |
140 | pushq %rdi | |
141 | movq $SYS_sigreturn,%rax | |
142 | int $0x80 | |
143 | ||
144 | (see /usr/src/sys/arch/amd64/amd64/locore.S). The `pushq' | |
145 | instruction clobbers %rsp, but its value is saved in `%rdi'. */ | |
146 | ||
4cd28409 | 147 | if (offset > 5) |
0fe85704 MK |
148 | return frame_unwind_register_unsigned (next_frame, AMD64_RDI_REGNUM); |
149 | else | |
150 | return frame_unwind_register_unsigned (next_frame, AMD64_RSP_REGNUM); | |
e2879ccb MK |
151 | } |
152 | \f | |
153 | /* OpenBSD 3.5 or later. */ | |
154 | ||
155 | /* Mapping between the general-purpose registers in `struct reg' | |
156 | format and GDB's register cache layout. */ | |
157 | ||
30b344b1 | 158 | /* From <machine/reg.h>. */ |
e2879ccb MK |
159 | int amd64obsd_r_reg_offset[] = |
160 | { | |
161 | 14 * 8, /* %rax */ | |
162 | 13 * 8, /* %rbx */ | |
163 | 3 * 8, /* %rcx */ | |
164 | 2 * 8, /* %rdx */ | |
165 | 1 * 8, /* %rsi */ | |
166 | 0 * 8, /* %rdi */ | |
167 | 12 * 8, /* %rbp */ | |
168 | 15 * 8, /* %rsp */ | |
169 | 4 * 8, /* %r8 .. */ | |
170 | 5 * 8, | |
171 | 6 * 8, | |
172 | 7 * 8, | |
173 | 8 * 8, | |
174 | 9 * 8, | |
175 | 10 * 8, | |
176 | 11 * 8, /* ... %r15 */ | |
177 | 16 * 8, /* %rip */ | |
178 | 17 * 8, /* %eflags */ | |
179 | 18 * 8, /* %cs */ | |
180 | 19 * 8, /* %ss */ | |
181 | 20 * 8, /* %ds */ | |
182 | 21 * 8, /* %es */ | |
183 | 22 * 8, /* %fs */ | |
184 | 23 * 8 /* %gs */ | |
185 | }; | |
186 | ||
30b344b1 | 187 | /* From <machine/signal.h>. */ |
e2879ccb MK |
188 | static int amd64obsd_sc_reg_offset[] = |
189 | { | |
190 | 14 * 8, /* %rax */ | |
191 | 13 * 8, /* %rbx */ | |
192 | 3 * 8, /* %rcx */ | |
193 | 2 * 8, /* %rdx */ | |
194 | 1 * 8, /* %rsi */ | |
195 | 0 * 8, /* %rdi */ | |
196 | 12 * 8, /* %rbp */ | |
197 | 24 * 8, /* %rsp */ | |
198 | 4 * 8, /* %r8 ... */ | |
199 | 5 * 8, | |
200 | 6 * 8, | |
201 | 7 * 8, | |
202 | 8 * 8, | |
203 | 9 * 8, | |
204 | 10 * 8, | |
205 | 11 * 8, /* ... %r15 */ | |
206 | 21 * 8, /* %rip */ | |
207 | 23 * 8, /* %eflags */ | |
208 | 22 * 8, /* %cs */ | |
209 | 25 * 8, /* %ss */ | |
210 | 18 * 8, /* %ds */ | |
211 | 17 * 8, /* %es */ | |
212 | 16 * 8, /* %fs */ | |
213 | 15 * 8 /* %gs */ | |
214 | }; | |
215 | ||
d78749b4 MK |
216 | /* From /usr/src/lib/libpthread/arch/amd64/uthread_machdep.c. */ |
217 | static int amd64obsd_uthread_reg_offset[] = | |
218 | { | |
219 | 19 * 8, /* %rax */ | |
220 | 16 * 8, /* %rbx */ | |
221 | 18 * 8, /* %rcx */ | |
222 | 17 * 8, /* %rdx */ | |
223 | 14 * 8, /* %rsi */ | |
224 | 13 * 8, /* %rdi */ | |
225 | 15 * 8, /* %rbp */ | |
226 | -1, /* %rsp */ | |
227 | 12 * 8, /* %r8 ... */ | |
228 | 11 * 8, | |
229 | 10 * 8, | |
230 | 9 * 8, | |
231 | 8 * 8, | |
232 | 7 * 8, | |
233 | 6 * 8, | |
234 | 5 * 8, /* ... %r15 */ | |
235 | 20 * 8, /* %rip */ | |
236 | 4 * 8, /* %eflags */ | |
237 | 21 * 8, /* %cs */ | |
238 | -1, /* %ss */ | |
239 | 3 * 8, /* %ds */ | |
240 | 2 * 8, /* %es */ | |
241 | 1 * 8, /* %fs */ | |
242 | 0 * 8 /* %gs */ | |
243 | }; | |
244 | ||
245 | /* Offset within the thread structure where we can find the saved | |
246 | stack pointer (%esp). */ | |
247 | #define AMD64OBSD_UTHREAD_RSP_OFFSET 400 | |
248 | ||
249 | static void | |
250 | amd64obsd_supply_uthread (struct regcache *regcache, | |
251 | int regnum, CORE_ADDR addr) | |
252 | { | |
253 | CORE_ADDR sp_addr = addr + AMD64OBSD_UTHREAD_RSP_OFFSET; | |
254 | CORE_ADDR sp = 0; | |
255 | gdb_byte buf[8]; | |
256 | int i; | |
257 | ||
258 | gdb_assert (regnum >= -1); | |
259 | ||
260 | if (regnum == -1 || regnum == AMD64_RSP_REGNUM) | |
261 | { | |
262 | int offset; | |
263 | ||
264 | /* Fetch stack pointer from thread structure. */ | |
265 | sp = read_memory_unsigned_integer (sp_addr, 8); | |
266 | ||
267 | /* Adjust the stack pointer such that it looks as if we just | |
268 | returned from _thread_machdep_switch. */ | |
269 | offset = amd64obsd_uthread_reg_offset[AMD64_RIP_REGNUM] + 8; | |
270 | store_unsigned_integer (buf, 8, sp + offset); | |
271 | regcache_raw_supply (regcache, AMD64_RSP_REGNUM, buf); | |
272 | } | |
273 | ||
274 | for (i = 0; i < ARRAY_SIZE (amd64obsd_uthread_reg_offset); i++) | |
275 | { | |
276 | if (amd64obsd_uthread_reg_offset[i] != -1 | |
277 | && (regnum == -1 || regnum == i)) | |
278 | { | |
279 | /* Fetch stack pointer from thread structure (if we didn't | |
280 | do so already). */ | |
281 | if (sp == 0) | |
282 | sp = read_memory_unsigned_integer (sp_addr, 8); | |
283 | ||
284 | /* Read the saved register from the stack frame. */ | |
285 | read_memory (sp + amd64obsd_uthread_reg_offset[i], buf, 8); | |
286 | regcache_raw_supply (regcache, i, buf); | |
287 | } | |
288 | } | |
289 | } | |
290 | ||
291 | static void | |
292 | amd64obsd_collect_uthread (const struct regcache *regcache, | |
293 | int regnum, CORE_ADDR addr) | |
294 | { | |
295 | CORE_ADDR sp_addr = addr + AMD64OBSD_UTHREAD_RSP_OFFSET; | |
296 | CORE_ADDR sp = 0; | |
297 | gdb_byte buf[8]; | |
298 | int i; | |
299 | ||
300 | gdb_assert (regnum >= -1); | |
301 | ||
302 | if (regnum == -1 || regnum == AMD64_RSP_REGNUM) | |
303 | { | |
304 | int offset; | |
305 | ||
306 | /* Calculate the stack pointer (frame pointer) that will be | |
307 | stored into the thread structure. */ | |
308 | offset = amd64obsd_uthread_reg_offset[AMD64_RIP_REGNUM] + 8; | |
309 | regcache_raw_collect (regcache, AMD64_RSP_REGNUM, buf); | |
310 | sp = extract_unsigned_integer (buf, 8) - offset; | |
311 | ||
312 | /* Store the stack pointer. */ | |
313 | write_memory_unsigned_integer (sp_addr, 8, sp); | |
314 | ||
315 | /* The stack pointer was (potentially) modified. Make sure we | |
316 | build a proper stack frame. */ | |
317 | regnum = -1; | |
318 | } | |
319 | ||
320 | for (i = 0; i < ARRAY_SIZE (amd64obsd_uthread_reg_offset); i++) | |
321 | { | |
322 | if (amd64obsd_uthread_reg_offset[i] != -1 | |
323 | && (regnum == -1 || regnum == i)) | |
324 | { | |
325 | /* Fetch stack pointer from thread structure (if we didn't | |
326 | calculate it already). */ | |
327 | if (sp == 0) | |
328 | sp = read_memory_unsigned_integer (sp_addr, 8); | |
329 | ||
330 | /* Write the register into the stack frame. */ | |
331 | regcache_raw_collect (regcache, i, buf); | |
332 | write_memory (sp + amd64obsd_uthread_reg_offset[i], buf, 8); | |
333 | } | |
334 | } | |
335 | } | |
f6acec62 MK |
336 | /* Kernel debugging support. */ |
337 | ||
338 | /* From <machine/frame.h>. Easy since `struct trapframe' matches | |
339 | `struct sigcontext'. */ | |
340 | #define amd64obsd_tf_reg_offset amd64obsd_sc_reg_offset | |
341 | ||
342 | static struct trad_frame_cache * | |
343 | amd64obsd_trapframe_cache(struct frame_info *next_frame, void **this_cache) | |
344 | { | |
345 | struct trad_frame_cache *cache; | |
346 | CORE_ADDR func, sp, addr; | |
347 | ULONGEST cs; | |
348 | char *name; | |
349 | int i; | |
350 | ||
351 | if (*this_cache) | |
352 | return *this_cache; | |
353 | ||
354 | cache = trad_frame_cache_zalloc (next_frame); | |
355 | *this_cache = cache; | |
356 | ||
93d42b30 DJ |
357 | /* NORMAL_FRAME matches the type in amd64obsd_trapframe_unwind, but |
358 | SIGTRAMP_FRAME might be more appropriate. */ | |
359 | func = frame_func_unwind (next_frame, NORMAL_FRAME); | |
f6acec62 MK |
360 | sp = frame_unwind_register_unsigned (next_frame, AMD64_RSP_REGNUM); |
361 | ||
362 | find_pc_partial_function (func, &name, NULL, NULL); | |
6d566cff | 363 | if (name && strncmp (name, "Xintr", 5) == 0) |
f6acec62 MK |
364 | addr = sp + 8; /* It's an interrupt frame. */ |
365 | else | |
366 | addr = sp; | |
367 | ||
368 | for (i = 0; i < ARRAY_SIZE (amd64obsd_tf_reg_offset); i++) | |
369 | if (amd64obsd_tf_reg_offset[i] != -1) | |
370 | trad_frame_set_reg_addr (cache, i, addr + amd64obsd_tf_reg_offset[i]); | |
371 | ||
372 | /* Read %cs from trap frame. */ | |
7238f002 | 373 | addr += amd64obsd_tf_reg_offset[AMD64_CS_REGNUM]; |
f6acec62 MK |
374 | cs = read_memory_unsigned_integer (addr, 8); |
375 | if ((cs & I386_SEL_RPL) == I386_SEL_UPL) | |
376 | { | |
6d566cff | 377 | /* Trap from user space; terminate backtrace. */ |
f6acec62 MK |
378 | trad_frame_set_id (cache, null_frame_id); |
379 | } | |
380 | else | |
381 | { | |
382 | /* Construct the frame ID using the function start. */ | |
383 | trad_frame_set_id (cache, frame_id_build (sp + 16, func)); | |
384 | } | |
385 | ||
386 | return cache; | |
387 | } | |
388 | ||
389 | static void | |
390 | amd64obsd_trapframe_this_id (struct frame_info *next_frame, | |
391 | void **this_cache, struct frame_id *this_id) | |
392 | { | |
393 | struct trad_frame_cache *cache = | |
394 | amd64obsd_trapframe_cache (next_frame, this_cache); | |
395 | ||
396 | trad_frame_get_id (cache, this_id); | |
397 | } | |
398 | ||
399 | static void | |
400 | amd64obsd_trapframe_prev_register (struct frame_info *next_frame, | |
401 | void **this_cache, int regnum, | |
402 | int *optimizedp, enum lval_type *lvalp, | |
403 | CORE_ADDR *addrp, int *realnump, | |
404 | gdb_byte *valuep) | |
405 | { | |
406 | struct trad_frame_cache *cache = | |
407 | amd64obsd_trapframe_cache (next_frame, this_cache); | |
408 | ||
409 | trad_frame_get_register (cache, next_frame, regnum, | |
410 | optimizedp, lvalp, addrp, realnump, valuep); | |
411 | } | |
412 | ||
413 | static int | |
414 | amd64obsd_trapframe_sniffer (const struct frame_unwind *self, | |
415 | struct frame_info *next_frame, | |
416 | void **this_prologue_cache) | |
417 | { | |
418 | ULONGEST cs; | |
419 | char *name; | |
420 | ||
e5cc6d11 | 421 | /* Check Current Privilege Level and bail out if we're not executing |
6d566cff | 422 | in kernel space. */ |
f6acec62 MK |
423 | cs = frame_unwind_register_unsigned (next_frame, AMD64_CS_REGNUM); |
424 | if ((cs & I386_SEL_RPL) == I386_SEL_UPL) | |
425 | return 0; | |
426 | ||
427 | find_pc_partial_function (frame_pc_unwind (next_frame), &name, NULL, NULL); | |
428 | return (name && ((strcmp (name, "calltrap") == 0) | |
429 | || (strcmp (name, "osyscall1") == 0) | |
430 | || (strcmp (name, "Xsyscall") == 0) | |
431 | || (strncmp (name, "Xintr", 5) == 0))); | |
432 | } | |
433 | ||
434 | static const struct frame_unwind amd64obsd_trapframe_unwind = { | |
435 | /* FIXME: kettenis/20051219: This really is more like an interrupt | |
436 | frame, but SIGTRAMP_FRAME would print <signal handler called>, | |
437 | which really is not what we want here. */ | |
438 | NORMAL_FRAME, | |
439 | amd64obsd_trapframe_this_id, | |
440 | amd64obsd_trapframe_prev_register, | |
441 | NULL, | |
442 | amd64obsd_trapframe_sniffer | |
443 | }; | |
444 | \f | |
d78749b4 | 445 | |
e2879ccb MK |
446 | static void |
447 | amd64obsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) | |
448 | { | |
449 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
450 | ||
90f90721 | 451 | amd64_init_abi (info, gdbarch); |
e2879ccb | 452 | |
30b344b1 MK |
453 | /* Initialize general-purpose register set details. */ |
454 | tdep->gregset_reg_offset = amd64obsd_r_reg_offset; | |
455 | tdep->gregset_num_regs = ARRAY_SIZE (amd64obsd_r_reg_offset); | |
456 | tdep->sizeof_gregset = 24 * 8; | |
457 | ||
458 | set_gdbarch_regset_from_core_section (gdbarch, | |
459 | amd64obsd_regset_from_core_section); | |
460 | ||
e2879ccb MK |
461 | tdep->jb_pc_offset = 7 * 8; |
462 | ||
911bc6ee | 463 | tdep->sigtramp_p = amd64obsd_sigtramp_p; |
e2879ccb MK |
464 | tdep->sigcontext_addr = amd64obsd_sigcontext_addr; |
465 | tdep->sc_reg_offset = amd64obsd_sc_reg_offset; | |
466 | tdep->sc_num_regs = ARRAY_SIZE (amd64obsd_sc_reg_offset); | |
7e654c37 | 467 | |
d78749b4 MK |
468 | /* OpenBSD provides a user-level threads implementation. */ |
469 | bsd_uthread_set_supply_uthread (gdbarch, amd64obsd_supply_uthread); | |
470 | bsd_uthread_set_collect_uthread (gdbarch, amd64obsd_collect_uthread); | |
471 | ||
7e654c37 MK |
472 | /* OpenBSD uses SVR4-style shared libraries. */ |
473 | set_solib_svr4_fetch_link_map_offsets | |
474 | (gdbarch, svr4_lp64_fetch_link_map_offsets); | |
f6acec62 MK |
475 | |
476 | /* Unwind kernel trap frames correctly. */ | |
477 | frame_unwind_prepend_unwinder (gdbarch, &amd64obsd_trapframe_unwind); | |
e2879ccb MK |
478 | } |
479 | \f | |
480 | ||
481 | /* Provide a prototype to silence -Wmissing-prototypes. */ | |
482 | void _initialize_amd64obsd_tdep (void); | |
483 | ||
484 | void | |
30b344b1 | 485 | _initialize_amd64obsd_tdep (void) |
e2879ccb MK |
486 | { |
487 | /* The OpenBSD/amd64 native dependent code makes this assumption. */ | |
90f90721 | 488 | gdb_assert (ARRAY_SIZE (amd64obsd_r_reg_offset) == AMD64_NUM_GREGS); |
e2879ccb MK |
489 | |
490 | gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x86_64, | |
491 | GDB_OSABI_OPENBSD_ELF, amd64obsd_init_abi); | |
30b344b1 MK |
492 | |
493 | /* OpenBSD uses traditional (a.out) NetBSD-style core dumps. */ | |
494 | gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x86_64, | |
495 | GDB_OSABI_NETBSD_AOUT, amd64obsd_init_abi); | |
e2879ccb | 496 | } |