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htb patch
[openwrt.git] / obsolete-buildroot / sources / gdb.patch
1 Patch pending upstream, probably acceptable.
2 --------------------------------------------
3
4
5
6 Daniel Jacobowitz <drow@mvista.com> writes:
7 > I like this. The way func_frame_chain_valid should really be used is
8 > by something like:
9 >
10 > /* NOTE: tm-i386nw.h and tm-i386v4.h override this. */
11 > set_gdbarch_frame_chain_valid (gdbarch, file_frame_chain_valid);
12 >
13 > (copied from i386-tdep.c).
14 >
15 > Does this patch work for you?
16
17 Yes, thanks. I've included a revised version of my patch below.
18
19 > I'm curious as to why we can't just set this universally, or at least a
20 > little more globally. Most things that have a main () use it as a
21 > normal main (). I'd propose that we set it as the default frame chain,
22 > and provide/document an option to ignore inside_main_func.
23
24 Well, gdbarch is never supposed to change the default behavior of
25 macros; this helps us convert pre-gdbarch targets incrementally.
26 Simply turning on gdbarch for one's target ideally wouldn't change its
27 behavior at all.
28
29
30 [Patch revised for Debian snapshot]
31 --- snap/gdb/i386-linux-tdep.c.orig 2002-08-18 19:53:57.000000000 -0400
32 +++ snap/gdb/i386-linux-tdep.c 2002-08-18 19:54:31.000000000 -0400
33 @@ -452,6 +452,9 @@
34
35 set_solib_svr4_fetch_link_map_offsets (gdbarch,
36 i386_linux_svr4_fetch_link_map_offsets);
37 +
38 + set_gdbarch_frame_chain_valid (gdbarch,
39 + generic_func_frame_chain_valid);
40 }
41
42 /* Provide a prototype to silence -Wmissing-prototypes. */
43 [Hurd needs 6. Take 8, since it does no real harm.]
44
45
46 Package: gdb
47 Severity: normal
48 Tags: patch, sid
49
50 Hello,
51
52 GDB will crash on the Hurd after issuing the 'show' and hitting enter
53 a few times:
54
55 ../../gdb/ui-out.c:130: gdb-internal-error: push_level: Assertion +`uiout->level >= 0 && uiout->level < MAX_UI_OUT_LEVELS' failed.
56
57 the problem is that MAX_UI_OUT_LEVELS is not high enough for the extra
58 option we have on the Hurd, it should be rised to 6 then, which works
59 fine:
60
61 --- gdb-5.2.cvs20020401/gdb/ui-out.c~ Fri May 3 02:19:20 2002
62 +++ gdb-5.2.cvs20020401/gdb/ui-out.c Fri May 3 02:19:32 2002
63 @@ -45,7 +45,7 @@
64 is always available. Stack/nested level 0 is reserved for the
65 top-level result. */
66
67 -enum { MAX_UI_OUT_LEVELS = 5 };
68 +enum { MAX_UI_OUT_LEVELS = 8 };
69
70 struct ui_out_level
71 {
72
73 --
74 Robert Millan
75
76 "5 years from now everyone will be running
77 free GNU on their 200 MIPS, 64M SPARCstation-5"
78
79 Andrew S. Tanenbaum, 30 Jan 1992
80
81
82 Submitted upstream, not liked very much. It's a hack, but it will do for
83 now.
84
85 2002-07-31 Daniel Jacobowitz <drow@mvista.com>
86
87 Fix PR gdb/568
88 * thread-db.c (lwp_from_thread): Only warn if unable to find
89 the thread.
90
91 Index: thread-db.c
92 ===================================================================
93 RCS file: /cvs/src/src/gdb/thread-db.c,v
94 retrieving revision 1.22
95 diff -u -p -r1.22 thread-db.c
96 --- gdb/gdb/thread-db.c 23 Mar 2002 17:38:13 -0000 1.22
97 +++ gdb/gdb/thread-db.c 31 Jul 2002 16:29:52 -0000
98 @@ -260,6 +260,12 @@ lwp_from_thread (ptid_t ptid)
99 return ptid;
100
101 err = td_ta_map_id2thr_p (thread_agent, GET_THREAD (ptid), &th);
102 + if (err == TD_ERR)
103 + {
104 + warning ("Cannot find thread %ld: %s",
105 + (long) GET_THREAD (ptid), thread_db_err_str (err));
106 + return ptid;
107 + }
108 if (err != TD_OK)
109 error ("Cannot find thread %ld: %s",
110 (long) GET_THREAD (ptid), thread_db_err_str (err));
111 From Michael Fedrowitz <michaelf@debian.org>. Not submitted to FSF yet.
112
113 Hi,
114
115 gdb fails to build from source on m68k because some definitions have
116 been removed from tm-m68k.h. The patch below readds them.
117
118 -Michael
119
120
121 diff -urN gdb-5.2.cvs20020818.orig/gdb/config/m68k/tm-m68k.h gdb-5.2.cvs20020818/gdb/config/m68k/tm-m68k.h
122 --- gdb-5.2.cvs20020818.orig/gdb/config/m68k/tm-m68k.h 2002-07-10 19:01:38.000000000 +0200
123 +++ gdb-5.2.cvs20020818/gdb/config/m68k/tm-m68k.h 2002-10-06 18:01:59.000000000 +0200
124 @@ -26,8 +26,11 @@
125 /* Generic 68000 stuff, to be included by other tm-*.h files. */
126
127 /* D0_REGNM and A0_REGNUM must be defined here because they are
128 - used by the monitor. */
129 + used by the monitor. FPC_REGNUM, FPS_REGNUM and FPI_REGNUM are
130 + defined here because they are used by m68klinux-nat.c. */
131
132 #define D0_REGNUM 0
133 #define A0_REGNUM 8
134 -
135 +#define FPC_REGNUM 26
136 +#define FPS_REGNUM 27
137 +#define FPI_REGNUM 28
138
139
140 2002-11-24 Daniel Jacobowitz <drow@mvista.com>
141
142 * doublest.c (convert_floatformat_to_doublest): Cast exp_bias to int.
143 * config/alpha/alpha-linux.mh (MH_CFLAGS): Add -mieee.
144
145 --- gdb-5.2.debian90.cvs20021120/gdb/doublest.c.orig 2002-11-24 17:48:16.000000000 -0500
146 +++ gdb-5.2.debian90.cvs20021120/gdb/doublest.c 2002-11-24 17:48:25.000000000 -0500
147 @@ -177,7 +177,7 @@
148 if (!special_exponent)
149 exponent -= fmt->exp_bias;
150 else if (exponent == 0)
151 - exponent = 1 - fmt->exp_bias;
152 + exponent = 1 - (int)fmt->exp_bias;
153
154 /* Build the result algebraically. Might go infinite, underflow, etc;
155 who cares. */
156 --- gdb-5.2.debian90.cvs20021120/gdb/config/alpha/alpha-linux.mh.orig 2002-11-24 17:50:30.000000000 -0500
157 +++ gdb-5.2.debian90.cvs20021120/gdb/config/alpha/alpha-linux.mh 2002-11-24 17:50:41.000000000 -0500
158 @@ -8,3 +8,5 @@
159
160 MMALLOC =
161 MMALLOC_CFLAGS = -DNO_MMALLOC
162 +
163 +MH_CFLAGS = -mieee
164 In CVS but not in 5.3 branch...
165
166 2002-10-23 Daniel Jacobowitz <drow@mvista.com>
167
168 * lin-lwp.c (lin_lwp_resume): Remove resume_all test for !step.
169
170 Index: lin-lwp.c
171 ===================================================================
172 RCS file: /cvs/src/src/gdb/lin-lwp.c,v
173 retrieving revision 1.35
174 diff -u -p -r1.35 lin-lwp.c
175 --- gdb-5.2.90/gdb/lin-lwp.c 27 Aug 2002 22:37:06 -0000 1.35
176 +++ gdb-5.2.90/gdb/lin-lwp.c 23 Oct 2002 04:23:13 -0000
177 @@ -579,11 +579,8 @@ lin_lwp_resume (ptid_t ptid, int step, e
178 struct lwp_info *lp;
179 int resume_all;
180
181 - /* Apparently the interpretation of PID is dependent on STEP: If
182 - STEP is non-zero, a specific PID means `step only this process
183 - id'. But if STEP is zero, then PID means `continue *all*
184 - processes, but give the signal only to this one'. */
185 - resume_all = (PIDGET (ptid) == -1) || !step;
186 + /* A specific PTID means `step only this process id'. */
187 + resume_all = (PIDGET (ptid) == -1);
188
189 if (resume_all)
190 iterate_over_lwps (resume_set_callback, NULL);
191
192 Not submitted yet, testing.
193
194 --- gdb-5.2.90/gdb/alpha-tdep.c.orig Sun Nov 24 21:42:53 2002
195 +++ gdb-5.2.90/gdb/alpha-tdep.c Sun Nov 24 21:48:26 2002
196 @@ -99,10 +99,12 @@
197
198 static alpha_extra_func_info_t heuristic_proc_desc (CORE_ADDR,
199 CORE_ADDR,
200 - struct frame_info *);
201 + struct frame_info *,
202 + int);
203
204 static alpha_extra_func_info_t find_proc_desc (CORE_ADDR,
205 - struct frame_info *);
206 + struct frame_info *,
207 + int);
208
209 #if 0
210 static int alpha_in_lenient_prologue (CORE_ADDR, CORE_ADDR);
211 @@ -512,7 +514,7 @@
212 if (tmp != 0)
213 pc = tmp;
214
215 - proc_desc = find_proc_desc (pc, frame->next);
216 + proc_desc = find_proc_desc (pc, frame->next, 1);
217 pcreg = proc_desc ? PROC_PC_REG (proc_desc) : ALPHA_RA_REGNUM;
218
219 if (frame->signal_handler_caller)
220 @@ -596,10 +598,10 @@
221
222 static alpha_extra_func_info_t
223 heuristic_proc_desc (CORE_ADDR start_pc, CORE_ADDR limit_pc,
224 - struct frame_info *next_frame)
225 + struct frame_info *next_frame, int read_sp_p)
226 {
227 - CORE_ADDR sp = read_next_frame_reg (next_frame, SP_REGNUM);
228 - CORE_ADDR vfp = sp;
229 + CORE_ADDR sp;
230 + CORE_ADDR vfp;
231 CORE_ADDR cur_pc;
232 int frame_size;
233 int has_frame_reg = 0;
234 @@ -607,6 +609,11 @@
235 int pcreg = -1;
236 int regno;
237
238 + if (read_sp_p)
239 + vfp = sp = read_next_frame_reg (next_frame, SP_REGNUM);
240 + else
241 + vfp = sp = 0;
242 +
243 if (start_pc == 0)
244 return NULL;
245 memset (&temp_proc_desc, '\0', sizeof (temp_proc_desc));
246 @@ -761,7 +768,7 @@
247 CORE_ADDR func_addr, func_end;
248
249 if (!proc_desc)
250 - proc_desc = find_proc_desc (pc, NULL);
251 + proc_desc = find_proc_desc (pc, NULL, 0);
252
253 if (proc_desc)
254 {
255 @@ -807,7 +814,7 @@
256 }
257
258 static alpha_extra_func_info_t
259 -find_proc_desc (CORE_ADDR pc, struct frame_info *next_frame)
260 +find_proc_desc (CORE_ADDR pc, struct frame_info *next_frame, int read_sp_p)
261 {
262 alpha_extra_func_info_t proc_desc;
263 struct block *b;
264 @@ -879,7 +886,7 @@
265 {
266 alpha_extra_func_info_t found_heuristic =
267 heuristic_proc_desc (PROC_LOW_ADDR (proc_desc),
268 - pc, next_frame);
269 + pc, next_frame, read_sp_p);
270 if (found_heuristic)
271 {
272 PROC_LOCALOFF (found_heuristic) =
273 @@ -921,7 +928,7 @@
274 startaddr = heuristic_proc_start (pc);
275
276 proc_desc =
277 - heuristic_proc_desc (startaddr, pc, next_frame);
278 + heuristic_proc_desc (startaddr, pc, next_frame, read_sp_p);
279 }
280 return proc_desc;
281 }
282 @@ -937,7 +944,7 @@
283 if (saved_pc == 0 || inside_entry_file (saved_pc))
284 return 0;
285
286 - proc_desc = find_proc_desc (saved_pc, frame);
287 + proc_desc = find_proc_desc (saved_pc, frame, 1);
288 if (!proc_desc)
289 return 0;
290
291 @@ -979,7 +986,7 @@
292 {
293 /* Use proc_desc calculated in frame_chain */
294 alpha_extra_func_info_t proc_desc =
295 - frame->next ? cached_proc_desc : find_proc_desc (frame->pc, frame->next);
296 + frame->next ? cached_proc_desc : find_proc_desc (frame->pc, frame->next, 1);
297
298 frame->extra_info = (struct frame_extra_info *)
299 frame_obstack_alloc (sizeof (struct frame_extra_info));
300 @@ -1291,7 +1298,7 @@
301 /* we need proc_desc to know how to restore the registers;
302 if it is NULL, construct (a temporary) one */
303 if (proc_desc == NULL)
304 - proc_desc = find_proc_desc (frame->pc, frame->next);
305 + proc_desc = find_proc_desc (frame->pc, frame->next, 1);
306
307 /* Question: should we copy this proc_desc and save it in
308 frame->proc_desc? If we do, who will free it?
309 Not yet submitted upstream. This requires some serious thinking about.
310 If the target stack worked in any logical way, this wouldn't be necessary...
311 ending up with roughly:
312 thread_stratum: thread-db (silent reference to lin-lwp)
313 core_stratum: corelow
314 exec_stratum: exec
315 dummy_stratum: dummy
316 just makes no sense.
317
318 This patch fixes debugging threaded applications which are statically linked
319 without breaking debugging threaded core files. It also fixes the PIDs in
320 generate-core-file'd corefiles. Mostly.
321
322 diff -x '*~' -ur o/gdb-5.2.debian90.cvs20021120/gdb/corelow.c gdb-5.2.debian90.cvs20021120/gdb/corelow.c
323 --- o/gdb-5.2.debian90.cvs20021120/gdb/corelow.c 2002-09-18 13:23:15.000000000 -0400
324 +++ gdb-5.2.debian90.cvs20021120/gdb/corelow.c 2002-12-03 14:03:32.000000000 -0500
325 @@ -350,7 +350,7 @@
326 bfd_map_over_sections (core_bfd, add_to_thread_list,
327 bfd_get_section_by_name (core_bfd, ".reg"));
328
329 - if (ontop)
330 + if (ontop || 1)
331 {
332 /* Fetch all registers from core file. */
333 target_fetch_registers (-1);
334 diff -x '*~' -ur o/gdb-5.2.debian90.cvs20021120/gdb/linux-proc.c gdb-5.2.debian90.cvs20021120/gdb/linux-proc.c
335 --- o/gdb-5.2.debian90.cvs20021120/gdb/linux-proc.c 2002-12-03 14:13:52.000000000 -0500
336 +++ gdb-5.2.debian90.cvs20021120/gdb/linux-proc.c 2002-12-03 13:56:34.000000000 -0500
337 @@ -177,7 +177,7 @@
338 #ifdef FILL_FPXREGSET
339 gdb_fpxregset_t fpxregs;
340 #endif
341 - unsigned long merged_pid = ptid_get_tid (ptid) << 16 | ptid_get_pid (ptid);
342 + unsigned long merged_pid = ptid_get_tid (ptid) << 16; /* | ptid_get_pid (ptid); */
343
344 fill_gregset (&gregs, -1);
345 note_data = (char *) elfcore_write_prstatus (obfd,
346 diff -x '*~' -ur o/gdb-5.2.debian90.cvs20021120/gdb/target.c gdb-5.2.debian90.cvs20021120/gdb/target.c
347 --- o/gdb-5.2.debian90.cvs20021120/gdb/target.c 2002-09-18 13:23:22.000000000 -0400
348 +++ gdb-5.2.debian90.cvs20021120/gdb/target.c 2002-12-03 14:06:07.000000000 -0500
349 @@ -1589,6 +1589,7 @@
350 dummy_target.to_find_memory_regions = dummy_find_memory_regions;
351 dummy_target.to_make_corefile_notes = dummy_make_corefile_notes;
352 dummy_target.to_magic = OPS_MAGIC;
353 + cleanup_target (&dummy_target);
354 }
355 \f
356
357 diff -x '*~' -ur o/gdb-5.2.debian90.cvs20021120/gdb/thread-db.c gdb-5.2.debian90.cvs20021120/gdb/thread-db.c
358 --- o/gdb-5.2.debian90.cvs20021120/gdb/thread-db.c 2002-12-03 14:13:50.000000000 -0500
359 +++ gdb-5.2.debian90.cvs20021120/gdb/thread-db.c 2002-12-03 13:39:54.000000000 -0500
360 @@ -57,6 +57,31 @@
361 /* Non-zero if we're using this module's target vector. */
362 static int using_thread_db;
363
364 +/* Macros to pass an event to the next target if we should not be handling it
365 + here in the thread_stratum. */
366 +#define FIND_NEXT_TARGET(METHOD_NAME) \
367 + struct target_ops *next_target = &thread_db_ops; \
368 + while (1) \
369 + { \
370 + next_target = find_target_beneath (next_target); \
371 + if (next_target->METHOD_NAME != NULL) \
372 + break; \
373 + }
374 +
375 +#define MAYBE_HAND_DOWN(METHOD_NAME,ARGS) \
376 + if (proc_handle.pid == 0) \
377 + { \
378 + FIND_NEXT_TARGET (METHOD_NAME); \
379 + (*next_target->METHOD_NAME) ARGS; \
380 + return; \
381 + }
382 +#define MAYBE_HAND_DOWN_RETURN(METHOD_NAME,ARGS) \
383 + if (proc_handle.pid == 0) \
384 + { \
385 + FIND_NEXT_TARGET (METHOD_NAME); \
386 + return (*next_target->METHOD_NAME) ARGS; \
387 + }
388 +
389 /* Non-zero if we have to keep this module's target vector active
390 across re-runs. */
391 static int keep_thread_db;
392 @@ -489,9 +514,7 @@
393 {
394 td_err_e err;
395
396 - /* Don't attempt to use thread_db on targets which can not run
397 - (core files). */
398 - if (objfile == NULL || !target_has_execution)
399 + if (objfile == NULL)
400 {
401 /* All symbols have been discarded. If the thread_db target is
402 active, deactivate it now. */
403 @@ -515,7 +538,10 @@
404 /* Initialize the structure that identifies the child process. Note
405 that at this point there is no guarantee that we actually have a
406 child process. */
407 - proc_handle.pid = GET_PID (inferior_ptid);
408 + if (target_has_execution)
409 + proc_handle.pid = GET_PID (inferior_ptid);
410 + else
411 + proc_handle.pid = 0;
412
413 /* Now attempt to open a connection to the thread library. */
414 err = td_ta_new_p (&proc_handle, &thread_agent);
415 @@ -758,6 +784,9 @@
416 struct cleanup *old_chain = save_inferior_ptid ();
417 int xfer;
418
419 + MAYBE_HAND_DOWN_RETURN (to_xfer_memory, (memaddr, myaddr, len, write,
420 + attrib, target));
421 +
422 if (is_thread (inferior_ptid))
423 {
424 /* FIXME: This seems to be necessary to make sure breakpoints
425 @@ -782,6 +811,8 @@
426 gdb_prfpregset_t fpregset;
427 td_err_e err;
428
429 + MAYBE_HAND_DOWN (to_fetch_registers, (regno));
430 +
431 if (!is_thread (inferior_ptid))
432 {
433 /* Pass the request to the target beneath us. */
434 @@ -819,6 +850,8 @@
435 gdb_prfpregset_t fpregset;
436 td_err_e err;
437
438 + MAYBE_HAND_DOWN (to_store_registers, (regno));
439 +
440 if (!is_thread (inferior_ptid))
441 {
442 /* Pass the request to the target beneath us. */
443 @@ -908,6 +941,8 @@
444 td_thrinfo_t ti;
445 td_err_e err;
446
447 + MAYBE_HAND_DOWN_RETURN (to_thread_alive, (ptid));
448 +
449 if (is_thread (ptid))
450 {
451 err = td_ta_map_id2thr_p (thread_agent, GET_THREAD (ptid), &th);
452 @@ -961,6 +996,8 @@
453 {
454 td_err_e err;
455
456 + MAYBE_HAND_DOWN (to_find_new_threads, ());
457 +
458 /* Iterate over all user-space threads to discover new threads. */
459 err = td_ta_thr_iter_p (thread_agent, find_new_threads_callback, NULL,
460 TD_THR_ANY_STATE, TD_THR_LOWEST_PRIORITY,
461 @@ -972,6 +1009,8 @@
462 static char *
463 thread_db_pid_to_str (ptid_t ptid)
464 {
465 + MAYBE_HAND_DOWN_RETURN (to_pid_to_str, (ptid));
466 +
467 if (is_thread (ptid))
468 {
469 static char buf[64];
470 Trivial. Need to submit this.
471
472 --- gdb-5.2.debian90.cvs20021120/gdb/tracepoint.c.orig 2002-12-03 14:35:44.000000000 -0500
473 +++ gdb-5.2.debian90.cvs20021120/gdb/tracepoint.c 2002-12-03 14:43:02.000000000 -0500
474 @@ -861,6 +861,8 @@
475 else
476 line = gdb_readline (0);
477
478 + if (line == NULL || *line == EOF)
479 + break;
480 linetype = validate_actionline (&line, t);
481 if (linetype == BADLINE)
482 continue; /* already warned -- collect another line */
483 Fix build on Sparc.
484
485 --- gdb-5.3/gdb/sparc-nat.c.orig 2003-01-04 00:11:28.000000000 -0500
486 +++ gdb-5.3/gdb/sparc-nat.c 2003-01-04 00:12:42.000000000 -0500
487 @@ -33,6 +33,13 @@
488 #include <sys/ptrace.h>
489 #include <sys/wait.h>
490 #ifdef __linux__
491 +/* Sadly, <sys/ucontext.h> conflicts with <asm/reg.h> on Linux. And
492 + -D_GNU_SOURCE brings in <sys/ucontext.h> implicitly with <signal.h>.
493 + Hack around this. */
494 +#undef FPU_REGS_TYPE
495 +#define fpu asm_reg_fpu
496 +#define fq asm_reg_fq
497 +#define fpq asm_reg_fpq
498 #include <asm/reg.h>
499 #else
500 #include <machine/reg.h>
501 diff -urN gdb-5.3/gdb/gdbserver.orig/gdbreplay.c gdb-5.3/gdb/gdbserver/gdbreplay.c
502 --- gdb-5.3/gdb/gdbserver.orig/gdbreplay.c 2002-07-09 11:38:58.000000000 -0600
503 +++ gdb-5.3/gdb/gdbserver/gdbreplay.c 2003-08-20 08:44:20.000000000 -0600
504 @@ -54,14 +54,15 @@
505 perror_with_name (char *string)
506 {
507 #ifndef STDC_HEADERS
508 - extern int sys_nerr;
509 extern char *sys_errlist[];
510 extern int errno;
511 #endif
512 const char *err;
513 char *combined;
514
515 - err = (errno < sys_nerr) ? sys_errlist[errno] : "unknown error";
516 + err = strerror (errno);
517 + if (err == NULL)
518 + err = "unknown error";
519 combined = (char *) alloca (strlen (err) + strlen (string) + 3);
520 strcpy (combined, string);
521 strcat (combined, ": ");
522 diff -urN gdb-5.3/gdb/gdbserver.orig/low-hppabsd.c gdb-5.3/gdb/gdbserver/low-hppabsd.c
523 --- gdb-5.3/gdb/gdbserver.orig/low-hppabsd.c 2002-01-17 14:13:49.000000000 -0700
524 +++ gdb-5.3/gdb/gdbserver/low-hppabsd.c 2003-08-20 08:46:04.000000000 -0600
525 @@ -61,7 +61,7 @@
526 execv (program, allargs);
527
528 fprintf (stderr, "Cannot exec %s: %s.\n", program,
529 - errno < sys_nerr ? sys_errlist[errno] : "unknown error");
530 + strerror (errno));
531 fflush (stderr);
532 _exit (0177);
533 }
534 diff -urN gdb-5.3/gdb/gdbserver.orig/low-lynx.c gdb-5.3/gdb/gdbserver/low-lynx.c
535 --- gdb-5.3/gdb/gdbserver.orig/low-lynx.c 2002-01-17 14:13:49.000000000 -0700
536 +++ gdb-5.3/gdb/gdbserver/low-lynx.c 2003-08-20 08:46:18.000000000 -0600
537 @@ -79,7 +79,7 @@
538
539 fprintf (stderr, "GDBserver (process %d): Cannot exec %s: %s.\n",
540 getpid (), program,
541 - errno < sys_nerr ? sys_errlist[errno] : "unknown error");
542 + strerror (errno));
543 fflush (stderr);
544 _exit (0177);
545 }
546 diff -urN gdb-5.3/gdb/gdbserver.orig/low-nbsd.c gdb-5.3/gdb/gdbserver/low-nbsd.c
547 --- gdb-5.3/gdb/gdbserver.orig/low-nbsd.c 2002-01-17 14:13:49.000000000 -0700
548 +++ gdb-5.3/gdb/gdbserver/low-nbsd.c 2003-08-20 08:46:27.000000000 -0600
549 @@ -137,7 +137,7 @@
550 execv (program, allargs);
551
552 fprintf (stderr, "Cannot exec %s: %s.\n", program,
553 - errno < sys_nerr ? sys_errlist[errno] : "unknown error");
554 + strerror (errno));
555 fflush (stderr);
556 _exit (0177);
557 }
558 diff -urN gdb-5.3/gdb/gdbserver.orig/low-sparc.c gdb-5.3/gdb/gdbserver/low-sparc.c
559 --- gdb-5.3/gdb/gdbserver.orig/low-sparc.c 2002-01-17 14:13:50.000000000 -0700
560 +++ gdb-5.3/gdb/gdbserver/low-sparc.c 2003-08-20 08:46:38.000000000 -0600
561 @@ -44,7 +44,6 @@
562 #include <sys/ptrace.h>
563 #include <sys/reg.h>
564
565 -extern int sys_nerr;
566 extern char **sys_errlist;
567 extern int errno;
568
569 @@ -67,7 +66,7 @@
570 execv (program, allargs);
571
572 fprintf (stderr, "Cannot exec %s: %s.\n", program,
573 - errno < sys_nerr ? sys_errlist[errno] : "unknown error");
574 + strerror (errno));
575 fflush (stderr);
576 _exit (0177);
577 }
578 diff -urN gdb-5.3/gdb/gdbserver.orig/low-sun3.c gdb-5.3/gdb/gdbserver/low-sun3.c
579 --- gdb-5.3/gdb/gdbserver.orig/low-sun3.c 2002-01-17 14:13:50.000000000 -0700
580 +++ gdb-5.3/gdb/gdbserver/low-sun3.c 2003-08-20 08:46:51.000000000 -0600
581 @@ -41,7 +41,6 @@
582 #include <sys/ptrace.h>
583 #include <machine/reg.h>
584
585 -extern int sys_nerr;
586 extern char **sys_errlist;
587 extern int errno;
588
589 @@ -64,7 +63,7 @@
590 execv (program, allargs);
591
592 fprintf (stderr, "Cannot exec %s: %s.\n", program,
593 - errno < sys_nerr ? sys_errlist[errno] : "unknown error");
594 + strerror (errno));
595 fflush (stderr);
596 _exit (0177);
597 }
598 diff -urN gdb-5.3/gdb/gdbserver.orig/utils.c gdb-5.3/gdb/gdbserver/utils.c
599 --- gdb-5.3/gdb/gdbserver.orig/utils.c 2003-08-20 08:47:56.000000000 -0600
600 +++ gdb-5.3/gdb/gdbserver/utils.c 2003-08-20 08:48:15.000000000 -0600
601 @@ -33,16 +33,13 @@
602 perror_with_name (char *string)
603 {
604 #ifndef STDC_HEADERS
605 - extern int sys_nerr;
606 - extern char *sys_errlist[];
607 extern int errno;
608 #endif
609 const char *err;
610 char *combined;
611
612 - if (errno < sys_nerr)
613 - err = sys_errlist[errno];
614 - else
615 + err = strerror (errno);
616 + if (err == NULL)
617 err = "unknown error";
618
619 combined = (char *) alloca (strlen (err) + strlen (string) + 3);
620 diff -urN gdb-5.3/gdb/gdbserver.orig/linux-low.c.orig gdb-5.3/gdb/gdbserver/linux-low.c.orig
621 --- gdb-5.3/gdb/gdbserver.orig/linux-low.c 2003-08-20 08:40:27.000000000 -0600
622 +++ gdb-5.3/gdb/gdbserver/linux-low.c 2003-08-20 08:44:54.000000000 -0600
623 @@ -175,8 +175,7 @@
624 if (ptrace (PTRACE_ATTACH, pid, 0, 0) != 0)
625 {
626 fprintf (stderr, "Cannot attach to process %d: %s (%d)\n", pid,
627 - errno < sys_nerr ? sys_errlist[errno] : "unknown error",
628 - errno);
629 + strerror (errno), errno);
630 fflush (stderr);
631
632 /* If we fail to attach to an LWP, just return. */
633
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