Commit | Line | Data |
---|---|---|
a4b6fc86 AC |
1 | /* Motorola m68k native support for GNU/Linux. |
2 | ||
6aba47ca | 3 | Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 |
10d6c8cd | 4 | Free Software Foundation, Inc. |
c906108c | 5 | |
c5aa993b | 6 | This file is part of GDB. |
c906108c | 7 | |
c5aa993b JM |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
c906108c | 12 | |
c5aa993b JM |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
c906108c | 17 | |
c5aa993b JM |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software | |
197e01b6 EZ |
20 | Foundation, Inc., 51 Franklin Street, Fifth Floor, |
21 | Boston, MA 02110-1301, USA. */ | |
c906108c SS |
22 | |
23 | #include "defs.h" | |
24 | #include "frame.h" | |
25 | #include "inferior.h" | |
26 | #include "language.h" | |
27 | #include "gdbcore.h" | |
32eeb91a | 28 | #include "gdb_string.h" |
4e052eda | 29 | #include "regcache.h" |
10d6c8cd DJ |
30 | #include "target.h" |
31 | #include "linux-nat.h" | |
c906108c | 32 | |
32eeb91a AS |
33 | #include "m68k-tdep.h" |
34 | ||
c906108c SS |
35 | #include <sys/param.h> |
36 | #include <sys/dir.h> | |
37 | #include <signal.h> | |
0280a90a | 38 | #include <sys/ptrace.h> |
c906108c SS |
39 | #include <sys/user.h> |
40 | #include <sys/ioctl.h> | |
41 | #include <fcntl.h> | |
42 | #include <sys/procfs.h> | |
43 | ||
0280a90a AS |
44 | #ifdef HAVE_SYS_REG_H |
45 | #include <sys/reg.h> | |
46 | #endif | |
47 | ||
c906108c SS |
48 | #include <sys/file.h> |
49 | #include "gdb_stat.h" | |
50 | ||
51 | #include "floatformat.h" | |
52 | ||
53 | #include "target.h" | |
3e00823e UW |
54 | |
55 | /* Prototypes for supply_gregset etc. */ | |
56 | #include "gregset.h" | |
c906108c | 57 | \f |
77949794 | 58 | /* This table must line up with REGISTER_NAME in "m68k-tdep.c". */ |
c5aa993b | 59 | static const int regmap[] = |
c906108c SS |
60 | { |
61 | PT_D0, PT_D1, PT_D2, PT_D3, PT_D4, PT_D5, PT_D6, PT_D7, | |
62 | PT_A0, PT_A1, PT_A2, PT_A3, PT_A4, PT_A5, PT_A6, PT_USP, | |
63 | PT_SR, PT_PC, | |
64 | /* PT_FP0, ..., PT_FP7 */ | |
65 | 21, 24, 27, 30, 33, 36, 39, 42, | |
66 | /* PT_FPCR, PT_FPSR, PT_FPIAR */ | |
67 | 45, 46, 47 | |
68 | }; | |
69 | ||
0280a90a AS |
70 | /* Which ptrace request retrieves which registers? |
71 | These apply to the corresponding SET requests as well. */ | |
72 | #define NUM_GREGS (18) | |
73 | #define MAX_NUM_REGS (NUM_GREGS + 11) | |
74 | ||
75 | int | |
76 | getregs_supplies (int regno) | |
77 | { | |
78 | return 0 <= regno && regno < NUM_GREGS; | |
79 | } | |
80 | ||
81 | int | |
82 | getfpregs_supplies (int regno) | |
83 | { | |
32eeb91a | 84 | return FP0_REGNUM <= regno && regno <= M68K_FPI_REGNUM; |
0280a90a AS |
85 | } |
86 | ||
87 | /* Does the current host support the GETREGS request? */ | |
88 | int have_ptrace_getregs = | |
89 | #ifdef HAVE_PTRACE_GETREGS | |
90 | 1 | |
91 | #else | |
92 | 0 | |
93 | #endif | |
94 | ; | |
95 | ||
96 | \f | |
97 | ||
0280a90a AS |
98 | /* Fetching registers directly from the U area, one at a time. */ |
99 | ||
100 | /* FIXME: This duplicates code from `inptrace.c'. The problem is that we | |
101 | define FETCH_INFERIOR_REGISTERS since we want to use our own versions | |
102 | of {fetch,store}_inferior_registers that use the GETREGS request. This | |
103 | means that the code in `infptrace.c' is #ifdef'd out. But we need to | |
104 | fall back on that code when GDB is running on top of a kernel that | |
105 | doesn't support the GETREGS request. */ | |
106 | ||
107 | #ifndef PT_READ_U | |
108 | #define PT_READ_U PTRACE_PEEKUSR | |
109 | #endif | |
110 | #ifndef PT_WRITE_U | |
111 | #define PT_WRITE_U PTRACE_POKEUSR | |
112 | #endif | |
113 | ||
0280a90a AS |
114 | /* Fetch one register. */ |
115 | ||
116 | static void | |
117 | fetch_register (int regno) | |
118 | { | |
119 | /* This isn't really an address. But ptrace thinks of it as one. */ | |
120 | CORE_ADDR regaddr; | |
121 | char mess[128]; /* For messages */ | |
52f0bd74 | 122 | int i; |
123a958e | 123 | char buf[MAX_REGISTER_SIZE]; |
0280a90a AS |
124 | int tid; |
125 | ||
126 | if (CANNOT_FETCH_REGISTER (regno)) | |
127 | { | |
8de307e0 | 128 | memset (buf, '\0', register_size (current_gdbarch, regno)); /* Supply zeroes */ |
23a6d369 | 129 | regcache_raw_supply (current_regcache, regno, buf); |
0280a90a AS |
130 | return; |
131 | } | |
132 | ||
133 | /* Overload thread id onto process id */ | |
8de307e0 AS |
134 | tid = TIDGET (inferior_ptid); |
135 | if (tid == 0) | |
0280a90a AS |
136 | tid = PIDGET (inferior_ptid); /* no thread id, just use process id */ |
137 | ||
de732108 | 138 | regaddr = 4 * regmap[regno]; |
8de307e0 | 139 | for (i = 0; i < register_size (current_gdbarch, regno); |
5f402660 | 140 | i += sizeof (PTRACE_TYPE_RET)) |
0280a90a AS |
141 | { |
142 | errno = 0; | |
5f402660 UW |
143 | *(PTRACE_TYPE_RET *) &buf[i] = ptrace (PT_READ_U, tid, |
144 | (PTRACE_TYPE_ARG3) regaddr, 0); | |
145 | regaddr += sizeof (PTRACE_TYPE_RET); | |
0280a90a AS |
146 | if (errno != 0) |
147 | { | |
148 | sprintf (mess, "reading register %s (#%d)", | |
149 | REGISTER_NAME (regno), regno); | |
150 | perror_with_name (mess); | |
151 | } | |
152 | } | |
23a6d369 | 153 | regcache_raw_supply (current_regcache, regno, buf); |
0280a90a AS |
154 | } |
155 | ||
156 | /* Fetch register values from the inferior. | |
157 | If REGNO is negative, do this for all registers. | |
158 | Otherwise, REGNO specifies which register (so we can save time). */ | |
c906108c | 159 | |
10d6c8cd | 160 | static void |
0280a90a AS |
161 | old_fetch_inferior_registers (int regno) |
162 | { | |
163 | if (regno >= 0) | |
164 | { | |
165 | fetch_register (regno); | |
166 | } | |
167 | else | |
168 | { | |
169 | for (regno = 0; regno < NUM_REGS; regno++) | |
170 | { | |
171 | fetch_register (regno); | |
172 | } | |
173 | } | |
174 | } | |
175 | ||
176 | /* Store one register. */ | |
177 | ||
178 | static void | |
179 | store_register (int regno) | |
180 | { | |
181 | /* This isn't really an address. But ptrace thinks of it as one. */ | |
182 | CORE_ADDR regaddr; | |
183 | char mess[128]; /* For messages */ | |
52f0bd74 | 184 | int i; |
0280a90a | 185 | int tid; |
d9d9c31f | 186 | char buf[MAX_REGISTER_SIZE]; |
0280a90a AS |
187 | |
188 | if (CANNOT_STORE_REGISTER (regno)) | |
189 | { | |
190 | return; | |
191 | } | |
192 | ||
193 | /* Overload thread id onto process id */ | |
8de307e0 AS |
194 | tid = TIDGET (inferior_ptid); |
195 | if (tid == 0) | |
0280a90a AS |
196 | tid = PIDGET (inferior_ptid); /* no thread id, just use process id */ |
197 | ||
de732108 | 198 | regaddr = 4 * regmap[regno]; |
9852326a AS |
199 | |
200 | /* Put the contents of regno into a local buffer */ | |
822c9732 | 201 | regcache_raw_collect (current_regcache, regno, buf); |
9852326a AS |
202 | |
203 | /* Store the local buffer into the inferior a chunk at the time. */ | |
8de307e0 | 204 | for (i = 0; i < register_size (current_gdbarch, regno); |
5f402660 | 205 | i += sizeof (PTRACE_TYPE_RET)) |
0280a90a AS |
206 | { |
207 | errno = 0; | |
5f402660 UW |
208 | ptrace (PT_WRITE_U, tid, (PTRACE_TYPE_ARG3) regaddr, |
209 | *(PTRACE_TYPE_RET *) (buf + i)); | |
210 | regaddr += sizeof (PTRACE_TYPE_RET); | |
0280a90a AS |
211 | if (errno != 0) |
212 | { | |
213 | sprintf (mess, "writing register %s (#%d)", | |
214 | REGISTER_NAME (regno), regno); | |
215 | perror_with_name (mess); | |
216 | } | |
217 | } | |
218 | } | |
219 | ||
220 | /* Store our register values back into the inferior. | |
221 | If REGNO is negative, do this for all registers. | |
222 | Otherwise, REGNO specifies which register (so we can save time). */ | |
223 | ||
10d6c8cd | 224 | static void |
0280a90a AS |
225 | old_store_inferior_registers (int regno) |
226 | { | |
227 | if (regno >= 0) | |
228 | { | |
229 | store_register (regno); | |
230 | } | |
231 | else | |
232 | { | |
233 | for (regno = 0; regno < NUM_REGS; regno++) | |
234 | { | |
235 | store_register (regno); | |
236 | } | |
237 | } | |
238 | } | |
239 | \f | |
f175af98 DJ |
240 | /* Given a pointer to a general register set in /proc format |
241 | (elf_gregset_t *), unpack the register contents and supply | |
242 | them as gdb's idea of the current register values. */ | |
c906108c | 243 | |
c906108c | 244 | void |
f175af98 | 245 | supply_gregset (elf_gregset_t *gregsetp) |
c906108c | 246 | { |
0280a90a | 247 | elf_greg_t *regp = (elf_greg_t *) gregsetp; |
c906108c SS |
248 | int regi; |
249 | ||
32eeb91a | 250 | for (regi = M68K_D0_REGNUM; regi <= SP_REGNUM; regi++) |
23a6d369 AC |
251 | regcache_raw_supply (current_regcache, regi, (char *) ®p[regmap[regi]]); |
252 | regcache_raw_supply (current_regcache, PS_REGNUM, (char *) ®p[PT_SR]); | |
253 | regcache_raw_supply (current_regcache, PC_REGNUM, (char *) ®p[PT_PC]); | |
0280a90a AS |
254 | } |
255 | ||
256 | /* Fill register REGNO (if it is a general-purpose register) in | |
257 | *GREGSETPS with the value in GDB's register array. If REGNO is -1, | |
258 | do this for all registers. */ | |
259 | void | |
260 | fill_gregset (elf_gregset_t *gregsetp, int regno) | |
261 | { | |
262 | elf_greg_t *regp = (elf_greg_t *) gregsetp; | |
263 | int i; | |
264 | ||
265 | for (i = 0; i < NUM_GREGS; i++) | |
8de307e0 | 266 | if (regno == -1 || regno == i) |
822c9732 | 267 | regcache_raw_collect (current_regcache, i, regp + regmap[i]); |
0280a90a AS |
268 | } |
269 | ||
270 | #ifdef HAVE_PTRACE_GETREGS | |
271 | ||
272 | /* Fetch all general-purpose registers from process/thread TID and | |
273 | store their values in GDB's register array. */ | |
274 | ||
275 | static void | |
276 | fetch_regs (int tid) | |
277 | { | |
278 | elf_gregset_t regs; | |
279 | ||
280 | if (ptrace (PTRACE_GETREGS, tid, 0, (int) ®s) < 0) | |
281 | { | |
282 | if (errno == EIO) | |
283 | { | |
284 | /* The kernel we're running on doesn't support the GETREGS | |
285 | request. Reset `have_ptrace_getregs'. */ | |
286 | have_ptrace_getregs = 0; | |
287 | return; | |
288 | } | |
289 | ||
e2e0b3e5 | 290 | perror_with_name (_("Couldn't get registers")); |
0280a90a AS |
291 | } |
292 | ||
293 | supply_gregset (®s); | |
c906108c SS |
294 | } |
295 | ||
0280a90a AS |
296 | /* Store all valid general-purpose registers in GDB's register array |
297 | into the process/thread specified by TID. */ | |
298 | ||
299 | static void | |
300 | store_regs (int tid, int regno) | |
301 | { | |
302 | elf_gregset_t regs; | |
303 | ||
304 | if (ptrace (PTRACE_GETREGS, tid, 0, (int) ®s) < 0) | |
e2e0b3e5 | 305 | perror_with_name (_("Couldn't get registers")); |
0280a90a AS |
306 | |
307 | fill_gregset (®s, regno); | |
308 | ||
309 | if (ptrace (PTRACE_SETREGS, tid, 0, (int) ®s) < 0) | |
e2e0b3e5 | 310 | perror_with_name (_("Couldn't write registers")); |
0280a90a AS |
311 | } |
312 | ||
313 | #else | |
314 | ||
315 | static void fetch_regs (int tid) {} | |
316 | static void store_regs (int tid, int regno) {} | |
317 | ||
318 | #endif | |
319 | ||
320 | \f | |
321 | /* Transfering floating-point registers between GDB, inferiors and cores. */ | |
322 | ||
323 | /* What is the address of fpN within the floating-point register set F? */ | |
324 | #define FPREG_ADDR(f, n) ((char *) &(f)->fpregs[(n) * 3]) | |
325 | ||
326 | /* Fill GDB's register array with the floating-point register values in | |
327 | *FPREGSETP. */ | |
c906108c | 328 | |
c5aa993b | 329 | void |
f175af98 | 330 | supply_fpregset (elf_fpregset_t *fpregsetp) |
c906108c SS |
331 | { |
332 | int regi; | |
333 | ||
32eeb91a | 334 | for (regi = FP0_REGNUM; regi < FP0_REGNUM + 8; regi++) |
23a6d369 AC |
335 | regcache_raw_supply (current_regcache, regi, |
336 | FPREG_ADDR (fpregsetp, regi - FP0_REGNUM)); | |
337 | regcache_raw_supply (current_regcache, M68K_FPC_REGNUM, | |
338 | (char *) &fpregsetp->fpcntl[0]); | |
339 | regcache_raw_supply (current_regcache, M68K_FPS_REGNUM, | |
340 | (char *) &fpregsetp->fpcntl[1]); | |
341 | regcache_raw_supply (current_regcache, M68K_FPI_REGNUM, | |
342 | (char *) &fpregsetp->fpcntl[2]); | |
c906108c SS |
343 | } |
344 | ||
0280a90a AS |
345 | /* Fill register REGNO (if it is a floating-point register) in |
346 | *FPREGSETP with the value in GDB's register array. If REGNO is -1, | |
347 | do this for all registers. */ | |
348 | ||
349 | void | |
350 | fill_fpregset (elf_fpregset_t *fpregsetp, int regno) | |
351 | { | |
352 | int i; | |
353 | ||
354 | /* Fill in the floating-point registers. */ | |
355 | for (i = FP0_REGNUM; i < FP0_REGNUM + 8; i++) | |
356 | if (regno == -1 || regno == i) | |
822c9732 AC |
357 | regcache_raw_collect (current_regcache, i, |
358 | FPREG_ADDR (fpregsetp, i - FP0_REGNUM)); | |
0280a90a AS |
359 | |
360 | /* Fill in the floating-point control registers. */ | |
32eeb91a | 361 | for (i = M68K_FPC_REGNUM; i <= M68K_FPI_REGNUM; i++) |
0280a90a | 362 | if (regno == -1 || regno == i) |
822c9732 AC |
363 | regcache_raw_collect (current_regcache, i, |
364 | (char *) &fpregsetp->fpcntl[i - M68K_FPC_REGNUM]); | |
0280a90a AS |
365 | } |
366 | ||
367 | #ifdef HAVE_PTRACE_GETREGS | |
368 | ||
369 | /* Fetch all floating-point registers from process/thread TID and store | |
370 | thier values in GDB's register array. */ | |
371 | ||
372 | static void | |
373 | fetch_fpregs (int tid) | |
374 | { | |
375 | elf_fpregset_t fpregs; | |
376 | ||
377 | if (ptrace (PTRACE_GETFPREGS, tid, 0, (int) &fpregs) < 0) | |
e2e0b3e5 | 378 | perror_with_name (_("Couldn't get floating point status")); |
0280a90a AS |
379 | |
380 | supply_fpregset (&fpregs); | |
381 | } | |
382 | ||
383 | /* Store all valid floating-point registers in GDB's register array | |
384 | into the process/thread specified by TID. */ | |
385 | ||
386 | static void | |
387 | store_fpregs (int tid, int regno) | |
388 | { | |
389 | elf_fpregset_t fpregs; | |
390 | ||
391 | if (ptrace (PTRACE_GETFPREGS, tid, 0, (int) &fpregs) < 0) | |
e2e0b3e5 | 392 | perror_with_name (_("Couldn't get floating point status")); |
0280a90a AS |
393 | |
394 | fill_fpregset (&fpregs, regno); | |
395 | ||
396 | if (ptrace (PTRACE_SETFPREGS, tid, 0, (int) &fpregs) < 0) | |
e2e0b3e5 | 397 | perror_with_name (_("Couldn't write floating point status")); |
0280a90a AS |
398 | } |
399 | ||
400 | #else | |
401 | ||
402 | static void fetch_fpregs (int tid) {} | |
403 | static void store_fpregs (int tid, int regno) {} | |
404 | ||
c906108c | 405 | #endif |
0280a90a AS |
406 | \f |
407 | /* Transferring arbitrary registers between GDB and inferior. */ | |
408 | ||
409 | /* Fetch register REGNO from the child process. If REGNO is -1, do | |
410 | this for all registers (including the floating point and SSE | |
411 | registers). */ | |
412 | ||
10d6c8cd DJ |
413 | static void |
414 | m68k_linux_fetch_inferior_registers (int regno) | |
0280a90a AS |
415 | { |
416 | int tid; | |
417 | ||
418 | /* Use the old method of peeking around in `struct user' if the | |
419 | GETREGS request isn't available. */ | |
420 | if (! have_ptrace_getregs) | |
421 | { | |
422 | old_fetch_inferior_registers (regno); | |
423 | return; | |
424 | } | |
425 | ||
a4b6fc86 | 426 | /* GNU/Linux LWP ID's are process ID's. */ |
8de307e0 AS |
427 | tid = TIDGET (inferior_ptid); |
428 | if (tid == 0) | |
0280a90a | 429 | tid = PIDGET (inferior_ptid); /* Not a threaded program. */ |
f175af98 | 430 | |
0280a90a AS |
431 | /* Use the PTRACE_GETFPXREGS request whenever possible, since it |
432 | transfers more registers in one system call, and we'll cache the | |
433 | results. But remember that fetch_fpxregs can fail, and return | |
434 | zero. */ | |
435 | if (regno == -1) | |
436 | { | |
437 | fetch_regs (tid); | |
438 | ||
439 | /* The call above might reset `have_ptrace_getregs'. */ | |
440 | if (! have_ptrace_getregs) | |
441 | { | |
442 | old_fetch_inferior_registers (-1); | |
443 | return; | |
444 | } | |
445 | ||
446 | fetch_fpregs (tid); | |
447 | return; | |
448 | } | |
449 | ||
450 | if (getregs_supplies (regno)) | |
451 | { | |
452 | fetch_regs (tid); | |
453 | return; | |
454 | } | |
455 | ||
456 | if (getfpregs_supplies (regno)) | |
457 | { | |
458 | fetch_fpregs (tid); | |
459 | return; | |
460 | } | |
461 | ||
462 | internal_error (__FILE__, __LINE__, | |
e2e0b3e5 | 463 | _("Got request for bad register number %d."), regno); |
0280a90a AS |
464 | } |
465 | ||
466 | /* Store register REGNO back into the child process. If REGNO is -1, | |
467 | do this for all registers (including the floating point and SSE | |
468 | registers). */ | |
10d6c8cd DJ |
469 | static void |
470 | m68k_linux_store_inferior_registers (int regno) | |
0280a90a AS |
471 | { |
472 | int tid; | |
473 | ||
474 | /* Use the old method of poking around in `struct user' if the | |
475 | SETREGS request isn't available. */ | |
476 | if (! have_ptrace_getregs) | |
477 | { | |
478 | old_store_inferior_registers (regno); | |
479 | return; | |
480 | } | |
481 | ||
a4b6fc86 | 482 | /* GNU/Linux LWP ID's are process ID's. */ |
8de307e0 AS |
483 | tid = TIDGET (inferior_ptid); |
484 | if (tid == 0) | |
0280a90a AS |
485 | tid = PIDGET (inferior_ptid); /* Not a threaded program. */ |
486 | ||
487 | /* Use the PTRACE_SETFPREGS requests whenever possible, since it | |
488 | transfers more registers in one system call. But remember that | |
489 | store_fpregs can fail, and return zero. */ | |
490 | if (regno == -1) | |
491 | { | |
492 | store_regs (tid, regno); | |
493 | store_fpregs (tid, regno); | |
494 | return; | |
495 | } | |
496 | ||
497 | if (getregs_supplies (regno)) | |
498 | { | |
499 | store_regs (tid, regno); | |
500 | return; | |
501 | } | |
502 | ||
503 | if (getfpregs_supplies (regno)) | |
504 | { | |
505 | store_fpregs (tid, regno); | |
506 | return; | |
507 | } | |
508 | ||
509 | internal_error (__FILE__, __LINE__, | |
e2e0b3e5 | 510 | _("Got request to store bad register number %d."), regno); |
0280a90a | 511 | } |
f175af98 DJ |
512 | \f |
513 | /* Interpreting register set info found in core files. */ | |
514 | ||
515 | /* Provide registers to GDB from a core file. | |
516 | ||
517 | (We can't use the generic version of this function in | |
518 | core-regset.c, because we need to use elf_gregset_t instead of | |
519 | gregset_t.) | |
520 | ||
521 | CORE_REG_SECT points to an array of bytes, which are the contents | |
522 | of a `note' from a core file which BFD thinks might contain | |
523 | register contents. CORE_REG_SIZE is its size. | |
524 | ||
525 | WHICH says which register set corelow suspects this is: | |
526 | 0 --- the general-purpose register set, in elf_gregset_t format | |
527 | 2 --- the floating-point register set, in elf_fpregset_t format | |
528 | ||
a4b6fc86 | 529 | REG_ADDR isn't used on GNU/Linux. */ |
f175af98 DJ |
530 | |
531 | static void | |
532 | fetch_core_registers (char *core_reg_sect, unsigned core_reg_size, | |
533 | int which, CORE_ADDR reg_addr) | |
534 | { | |
535 | elf_gregset_t gregset; | |
536 | elf_fpregset_t fpregset; | |
537 | ||
538 | switch (which) | |
539 | { | |
540 | case 0: | |
541 | if (core_reg_size != sizeof (gregset)) | |
8a3fe4f8 | 542 | warning (_("Wrong size gregset in core file.")); |
f175af98 DJ |
543 | else |
544 | { | |
545 | memcpy (&gregset, core_reg_sect, sizeof (gregset)); | |
546 | supply_gregset (&gregset); | |
547 | } | |
548 | break; | |
549 | ||
550 | case 2: | |
551 | if (core_reg_size != sizeof (fpregset)) | |
8a3fe4f8 | 552 | warning (_("Wrong size fpregset in core file.")); |
f175af98 DJ |
553 | else |
554 | { | |
555 | memcpy (&fpregset, core_reg_sect, sizeof (fpregset)); | |
556 | supply_fpregset (&fpregset); | |
557 | } | |
558 | break; | |
559 | ||
560 | default: | |
561 | /* We've covered all the kinds of registers we know about here, | |
562 | so this must be something we wouldn't know what to do with | |
563 | anyway. Just ignore it. */ | |
564 | break; | |
565 | } | |
566 | } | |
c906108c | 567 | \f |
c5aa993b | 568 | |
a4b6fc86 AC |
569 | /* Register that we are able to handle GNU/Linux ELF core file |
570 | formats. */ | |
f175af98 DJ |
571 | |
572 | static struct core_fns linux_elf_core_fns = | |
573 | { | |
574 | bfd_target_elf_flavour, /* core_flavour */ | |
575 | default_check_format, /* check_format */ | |
576 | default_core_sniffer, /* core_sniffer */ | |
577 | fetch_core_registers, /* core_read_registers */ | |
578 | NULL /* next */ | |
579 | }; | |
580 | ||
10d6c8cd DJ |
581 | void _initialize_m68k_linux_nat (void); |
582 | ||
f175af98 | 583 | void |
5ae5f592 | 584 | _initialize_m68k_linux_nat (void) |
f175af98 | 585 | { |
10d6c8cd DJ |
586 | struct target_ops *t; |
587 | ||
588 | /* Fill in the generic GNU/Linux methods. */ | |
589 | t = linux_target (); | |
590 | ||
591 | /* Add our register access methods. */ | |
592 | t->to_fetch_registers = m68k_linux_fetch_inferior_registers; | |
593 | t->to_store_registers = m68k_linux_store_inferior_registers; | |
594 | ||
595 | /* Register the target. */ | |
f973ed9c | 596 | linux_nat_add_target (t); |
10d6c8cd | 597 | |
00e32a35 | 598 | deprecated_add_core_fns (&linux_elf_core_fns); |
f175af98 | 599 | } |