common.opt (Wmudflap): New option.
[gcc.git] / libmudflap / ChangeLog
1 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
2
3 * testsuite/libmudflap.c/pass63-frag.c: New test.
4
5 2008-03-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6
7 * aclocal.m4: Regenerate.
8 * configure: Likewise.
9 * Makefile.in: Likewise.
10 * testsuite/Makefile.in: Likewise.
11
12 2008-03-02 Jakub Jelinek <jakub@redhat.com>
13
14 * mf-runtime.c (__mf_usage): Update copyright notice dates.
15
16 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
17
18 * testsuite/libmudflap.c/fail8-frag.c: Adjust scan pattern for
19 mudflap dead object.
20 * testsuite/libmudflap.c/fail9-frag.c: Ditto.
21
22 2008-01-24 David Edelsohn <edelsohn@gnu.org>
23
24 * configure: Regenerate.
25
26 2008-01-05 Jakub Jelinek <jakub@redhat.com>
27
28 PR tree-optimization/34618
29 * testsuite/libmudflap.c/pass62-frag.c: New test.
30
31 2008-01-03 Jakub Jelinek <jakub@redhat.com>
32
33 PR c++/34619
34 * testsuite/libmudflap.c++/pass61-frag.cxx: New test.
35
36 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
37
38 PR libmudflap/26442
39 * testsuite/libmudflap.c++/pass60-frag.cxx: New test.
40
41 2007-10-15 Maciej W. Rozycki <macro@linux-mips.org>
42
43 * configure: Regenerate following changes to ../config/tls.m4.
44
45 2007-07-26 Tom Tromey <tromey@redhat.com>
46
47 * Makefile.in: Rebuilt.
48 * Makefile.am (clean-local): Removed.
49 (pth/mf-runtime.lo, pth/mf-heuristics.lo, pth/mf-hooks1.lo,
50 pth/mf-hooks2.lo, pth/mf-hooks3.lo): Likewise.
51 (libmudflapth_la_SOURCES): List sources.
52 (libmudflapth_la_LIBADD): Clear.
53 (libmudflapth_la_CFLAGS): New variable.
54
55 2007-07-05 H.J. Lu <hongjiu.lu@intel.com>
56
57 * aclocal.m4: Regenerated.
58
59 2007-06-02 Paolo Bonzini <bonzini@gnu.org>
60
61 * configure: Regenerate.
62
63 2007-05-31 Frank Ch. Eigler <fche@redhat.com>
64
65 From Andi Kleen <ak@suse.de>:
66 * mf-runtime.c (options): Rename structure for compatibility with
67 glibc getopt_long.
68
69 2007-05-23 Steve Ellcey <sje@cup.hp.com>
70
71 * Makefile.in: Regenerate.
72 * configure: Regenerate.
73 * aclocal.m4: Regenerate.
74 * testsuite/Makefile.in: Regenerate.
75
76 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
77
78 * testsuite/libmudflap.cth/pass59-frag.c (main): Fix casting of arg.
79
80 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
81
82 * Makefile.am: Add dummy install-pdf target.
83 * Makefile.in: Regenerate
84
85 2007-02-07 Jakub Jelinek <jakub@redhat.com>
86
87 PR libgomp/28468
88 * configure: Regenerate.
89
90 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
91
92 * configure: Regenerate.
93
94 2006-11-13 Daniel Jacobowitz <dan@codesourcery.com>
95
96 * configure: Regenerated.
97
98 2006-11-10 Frank Ch. Eigler <fche@redhat.com>
99
100 PR libmudflap/28578
101 * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
102 static but not function scope static.
103 (free): Skip deallocation attempts for objects placed into
104 bootstrap buffers.
105 * testsuite/libmudflap.cth/pass59-frag.c: New test.
106
107 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
108
109 From Herman ten Brugge <hermantenbrugge@home.nl>:
110 * mf-runtime.c (__mf_uncache_object): Optimize the code so that
111 small and large objects are handled a lot faster.
112
113 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
114
115 * configure.ac (__libc_freeres): Look for it.
116 * mf-impl.h (call_libc_freeres): New configuration flag.
117 * mf-runtime.c (__mf_set_default_options): Set it by default.
118 (__mfu_report): Call it if needed.
119 (__mfu_unregister): Remove "unaccessed registered object" warning.
120 * configure, config.h.in: Regenerated.
121
122 2006-09-18 Tom Tromey <tromey@redhat.com>
123
124 * configure: Rebuilt.
125
126 2006-06-21 Frank Ch. Eigler <fche@redhat.com>
127
128 PR 21274
129 mf-runtime.h installation based on ssp patch for PR 26473 from
130 Mark Mitchell <mark@codesourcery.com>.
131 * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
132 * Makefile.am (target_noncanonical): Define.
133 (libsubincludedir): New variable.
134 (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
135 (include_HEADERS): Remove.
136 * configure, aclocal.m4, config.h.in: Regenerated.
137 * Makefile.in, testsuite/Makefile.in: Likewise.
138 * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
139 and _THREAD_SAFE redefinition values.
140
141 2006-05-23 Carlos O'Donell <carlos@codesourcery.com>
142
143 * Makefile.am: Add install-html target. Add install-html to .PHONY
144 * Makefile.in: Regenerate.
145
146 2006-04-19 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
147
148 PR mudflap/26789
149 * testsuite/libmudflap.c++/error1-frag.cxx: New test.
150
151 PR mudflap/26790
152 * testsuite/libmudflap.c++/error2-frag.cxx: New test.
153
154 2006-04-10 Matthias Klose <doko@debian.org>
155
156 * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
157 directory names containing underscores.
158
159 2005-11-22 Janis Johnson <janis187@us.ibm.com>
160
161 * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
162 MUDFLAP_FLAGS if static library not supported.
163 * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
164 * testsuite/libmudflap.c/externs.exp: Ditto.
165 * testsuite/libmudflap.c++/ctors.exp: Ditto.
166 * testsuite/libmudflap.c++/c++frags.exp: Ditto.
167 * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
168
169 2005-10-04 James E Wilson <wilson@specifix.com>
170
171 * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
172 $name as array of characters with unknown bound. Also store into the
173 array.
174 * configure: Regenerate.
175
176 2005-09-30 James E. Wilson <wilson@specifix.com>
177
178 * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
179 AC_CHECK_HEADER.
180 (target_thread_file): New. Set from sed'ed gcc output.
181 (posix_threads): New. Set from target_thread_file. Use instead of
182 ac_have_pthread_h.
183 (pthread_create_version): Move initialization before code using it.
184 * configure: Regenerate.
185
186 * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
187 bounds.
188
189 2005-09-29 James E. Wilson <wilson@specifix.com>
190
191 * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
192 with HAVE_MMAP ifdef.
193
194 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
195
196 PR 23084.
197 * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
198
199 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
200
201 * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
202
203 2005-09-23 Tom Tromey <tromey@redhat.com>
204
205 * aclocal.m4, configure: Rebuilt.
206 * configure.ac: Use GCC_CHECK_TLS.
207 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
208 to ../config.
209
210 2005-08-22 Jim Wilson <wilson@specifix.com>
211
212 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
213 __FreeBSD__ is defined.
214
215 2005-08-17 Jim Wilson <wilson@specifix.com>
216
217 * mf-hooks1.c (malloc, calloc, realloc, free,
218 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
219 the real routines, and END_MALLOC_PROTECT afterwards.
220 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
221 (BEGIN_PROTECT): Handle in_malloc state.
222 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
223 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
224
225 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
226
227 * All files: Update FSF address.
228
229 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
230
231 * mf-hooks3.c (main_seen_p): Remove.
232 (__mf_get_state): Remove attempt to recognize the main thread.
233
234 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
235
236 * configure.ac: Test for the name of the symbol used for the entry
237 point; define ENTRY_POINT to the result.
238 * configure: Regenerate.
239 * config.h.in: Regenerate.
240 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
241
242 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
243
244 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
245 (__mf_init): Set thread state active.
246 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
247 state active.
248 (pthread_create wrapper): Always use thread spawner.
249
250 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
251 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
252
253 2005-07-16 Richard Henderson <rth@redhat.com>
254
255 * acinclude.m4: New file.
256 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
257 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
258 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
259 (__mf_0fn_calloc): ... here.
260 * mf-hooks3.c (struct pthread_info): Remove.
261 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
262 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
263 (struct mf_thread_data): New.
264 (mf_thread_data, mf_thread_data_lock): New.
265 (__mf_allocate_blank_threadinfo): Remove.
266 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
267 not available.
268 (__mf_state_perthread): Remove.
269 (__mf_get_state, __mf_set_state): New.
270 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
271 Update mf_thread_data killing procedure.
272 (__mf_pthread_spawner): Similarly.
273 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
274 code to allocate thread stack space.
275 (__mf_0fn_pthread_join, pthread_join): Remove.
276 (__mf_0fn_pthread_exit, pthread_exit): Remove.
277 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
278 (__mf_state_1): Rename from __mf_state; use TLS when available.
279 (__mf_get_state, __mf_set_state): New. Update all users.
280 * mf-runtime.c (begin_recursion_protect1): New.
281 (BEGIN_RECURSION_PROTECT): Use it.
282 (__mf_state_1): Rename from __mf_state; use TLS when available.
283 (threads_active_p): Remove.
284 (__mf_usage): Compute it directly.
285
286 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
287
288 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
289
290 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
291
292 Fix for uncaching bug reported by Herman ten Brugge.
293 * mf-runtime.c (__mf_uncache_object): Search whole cache.
294 * testsuite/libmudflap.c/fail40-frag.c: New test.
295
296 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
297
298 PR libmudflap/21724
299 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
300 * Makefile.in: Amend.
301
302 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
303
304 PR mudflap/21023
305 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
306 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
307
308 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
309
310 PR libmudflap/21094
311 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
312
313 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
314
315 PR mudflap/22064
316 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
317 unsigned vars with #defines instead of enums.
318
319 2005-05-09 Mike Stump <mrs@apple.com>
320
321 * configure: Regenerate.
322
323 2005-04-12 Mike Stump <mrs@apple.com>
324
325 * configure: Regenerate.
326
327 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
328
329 PR mudflap/19266
330 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
331 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
332
333 2005-04-04 Alan Modra <amodra@bigpond.net.au>
334
335 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
336
337 2005-03-31 Mike Stump <mrs@apple.com>
338
339 * mf-runtime.h: Add libmudflap copyright clause.
340
341 2005-03-21 Mike Stump <mrs@apple.com>
342
343 * mf-heuristics.c: Fix whitespace at end of line.
344 * mf-hooks1.c: Likewise.
345 * mf-hooks2.c: Likewise.
346 * mf-hooks3.c: Likewise.
347 * mf-impl.h: Likewise.
348 * mf-runtime.c: Likewise.
349 * mf-runtime.h: Likewise.
350
351 2005-03-21 Zack Weinberg <zack@codesourcery.com>
352
353 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
354 In all substitutions, expand gcc_version in Makefile.
355 * aclocal.m4, configure: Regenerate.
356 * Makefile.am: Set gcc_version.
357 * Makefile.in, testsuite/Makefile.in: Regenerate.
358
359 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
360
361 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
362 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
363
364 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
365
366 PR mudflap/19319
367 * testsuite/libmudflap.c++/pass55-frag.c: New test.
368
369 2005-01-05 Richard Henderson <rth@redhat.com>
370
371 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
372
373 2005-01-02 Greg McGary <greg@mcgary.org>
374
375 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
376 * mf-runtime.h: New file, replaces mf-runtime.h.in.
377 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
378 * Makefile.in: Ditto.
379 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
380 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
381 * testsuite/libmudflap.c/fail36-frag.c: New test.
382 * testsuite/libmudflap.c/fail37-frag.c: New test.
383 * testsuite/libmudflap.c/fail38-frag.c: New test.
384
385 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
386
387 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
388 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
389
390 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
391
392 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
393 * aclocal.m4: Include ../config/gcc-version.m4.
394 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
395
396 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
397
398 * Makefile.am: Define ACLOCAL_AMFLAGS.
399 * acinclude.m4: Remove.
400 * stamp-h.in: Remove superfluous stamp file.
401 * aclocal.m4, configure, Makefile.in: Regenerate.
402 * testsuite/Makefile.in: Likewise.
403
404 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
405
406 * Makefile.am: Revert previous.
407 * acinclude.m4: Restore.
408 * aclocal.m4, configure, Makefile.in: Regenerate.
409 * testsuite/Makefile.in: Likewise.
410
411 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
412
413 * Makefile.am: Define ACLOCAL_AMFLAGS.
414 * acinclude.m4: Remove.
415 * aclocal.m4, configure, Makefile.in: Regenerate.
416 * testsuite/Makefile.in: Likewise.
417
418 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
419
420 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
421
422 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
423
424 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
425 * testsuite/Makefile.in: Likewise.
426
427 2004-11-01 Andreas Schwab <schwab@suse.de>
428
429 * configure.ac: (target_alias): Default to $host_alias, not
430 $target.
431 * configure: Regenerated.
432
433 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
434
435 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
436 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
437 message.
438
439 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
440
441 PR other/18138
442 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
443
444 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
445
446 * configure.ac: Check for more headers, functions.
447 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
448 tracking overridden FILE buffers.
449 (fopen, setvbuf): New/revised hook functions for buffer overriding.
450 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
451 (fflush): Accept given NULL stream (means "all streams").
452 * mf-runtime.h.in:
453 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
454 HEAP/GUESS objects.
455 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
456 (__mf_adapt_cache): Use them all.
457 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
458 * testsuite/libmudflap.c++/ctors.exp: Ditto.
459 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
460 * configure, config.h.in: Regenerated.
461
462 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
463
464 * configure.ac: Checking for sys/socket.h once is enough.
465 * configure: Regenerated.
466
467 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
468
469 * configure.ac: Look for more headers & functions.
470 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
471 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
472 * mf-runtime.c (options): Clean up integer signedness warnings.
473 (main): Add a declaration to fix a warning.
474 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
475 * configure, config.h.in: Regenerated.
476
477 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
478
479 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
480 New tests for proper base/limit checking for aggregates.
481
482 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
483
484 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
485
486 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
487
488 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
489 * mf-hooks2.c (strerror): Unregister previous string returned by
490 previous strerror.
491 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
492 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
493 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
494 * mf-runtime.c (__mf_describe_object): Clarify object life status.
495 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
496 New tests.
497 * configure, config.h.in: Regenerated.
498
499 2004-08-03 Dale Johannesen <dalej@apple.com>
500
501 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
502
503 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
504
505 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
506 simplified contents in all former callers.
507
508 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
509
510 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
511 the statically linked case.
512
513 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
514
515 * splay-tree.[ch]: Remove. Merge contents into ...
516 * mf-runtime.c: ... here, renaming symbols and making all functions
517 static. Remove unused min/max functions.
518 * Makefile.am: Forget about splay-tree.[ch].
519 * Makefile.in, testsuite/Makefile.in: Regenerated.
520
521 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
522
523 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
524 (__mfu_usage): Include (C) 2004.
525 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
526 here. Include a comment explaining why.
527
528 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
529
530 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
531 * mf-runtime.c (options): Give them a name.
532 (__mf_set_default_options): Set them.
533 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
534 (__mf_violation): Warning cleanup.
535 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
536 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
537
538 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
539
540 g++/15861
541 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
542 repeated invocation.
543
544 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
545
546 Test case for g++/15861
547 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
548 * testsuite/libmudflap.c++/ctors.exp: Driver.
549 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
550 Look only for *frag* test cases.
551
552 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
553
554 ANSI C conversion, libmudflap specialization, recursion limiting.
555 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
556 argument and indirection function pointers, update callers.
557 (splay_tree_s): Add statistics and recursion control fields
558 num_keys, max_depth, depth, rebalance_p.
559 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
560 Back out of search if it exceeds limit.
561 (splay_tree_splay): Manage recursion limiting with rebalancing as
562 needed.
563 (splay_tree_new): More initialization.
564 (splay_tree_rebalance): New function.
565 (splay_tree_foreach): Rewrite using nonrecursive logic.
566 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
567 Remove. Point indirect calls to mf-runtime.c's routines.
568 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
569 functions.
570 (splay_tree_delete, splay_tree_delete_helper): Ditto.
571 * testsuite/heap-scalestress.c: New test based on one from
572 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
573
574 2004-07-05 Matthias Klose <doko@debian.org>
575
576 * libtool-version: New.
577 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
578 Use -version-info for soname.
579 * Makefile.in: Regenerate.
580 * configure.ac: Remove libtool_VERSION macro
581 * configure: Regenerate
582
583 2004-07-05 Zack Weinberg <zack@codesourcery.com>
584
585 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
586 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
587 #ifndef _MUDFLAP.
588
589 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
590
591 Splay tree implementation fork.
592 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
593 Use hard-coded comparison function for uintptr_t. Remove key/value
594 deallocation logic. Cache last splayed key for consecutive lookups.
595 * Makefile.am, Makefile.in: Use them, don't link to them.
596 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
597 (__mf_find_objects2): Flip successor/predecessor search sequence.
598 * ansidecl.h, libiberty.h: Removed dummy files.
599
600 2004-06-29 Nick Clifton <nickc@redhat.com>
601
602 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
603 * configure: Regenerate.
604 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
605 HAVE_DIRENT_H.
606 Remove spurious inclusion of <strings.h>.
607
608 2004-06-29 Nick Clifton <nickc@redhat.com>
609
610 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
611 function actually exists.
612
613 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
614
615 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
616 * config.h.in: Regenerated.
617
618 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
619
620 Adopt splay trees for object database.
621 * Makefile.am: Copy splay-tree.* from libiberty.
622 * Makefile.in, testsuite/Makefile.in: Regenerated.
623 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
624 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
625 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
626 * mf-runtime.c: Rewrite code dealing with object database to use
627 libiberty splay trees. Remove tree liveness aging option.
628 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
629
630 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
631
632 * configure.ac: New name of configure.in. Update
633 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
634 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
635 Autoconf 2.5x and Automake 1.7 or later.
636 * configure.in: Remove.
637 * configure: Regenerate.
638
639 * Makefile.am: Remove useless multilib rules.
640 * Makefile.in: Regenerate.
641
642 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
643
644 * .cvsignore: New file.
645
646 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
647
648 PR libmudflap/13505
649 * mf-hooks2.c (semctl): Add cygwin porting hack.
650
651 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
652
653 ctype support.
654 * configure.in: Look for ctype header and glibc implementation.
655 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
656 array hooks for glibc 2.3.
657 * mf-runtime.h.in: Wrap them.
658 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
659 implementations.
660 * testsuite/libmudflap.c/pass47-frag.c: New test.
661 * configure, config.h.in: Regenerated.
662
663 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
664
665 Portability improvements, e.g., libmudflap/15293.
666 * configure.in: Look for glibc extension functions. Look for
667 support of -f{function,data}-sections. Look for more headers.
668 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
669 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
670 mf-hooks* into usual single object per source.
671 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
672 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
673 if system doesn't provide one.
674 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
675 (pthread_create): Use it to properly GC dead thread stacks.
676 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
677 * testsuite/Makefile.am: Stop generating site.exp.
678 * testsuite/mfconfig.exp.in: New file.
679 * testsuite/config/default.exp: Load new mfconfig.exp.
680 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
681 (prune_gcc_output): Add glibc static linking warnings.
682 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
683 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
684 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
685 Regenerated with autoconf 2.57 and automake 1.7.
686
687 2004-06-04 Per Bothner <per@bothner.com>
688
689 * configure.in (LIBMUDFLAPTH): Fix thinko.
690
691 * configure.in: Check for more headers.
692 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
693
694 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
695 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
696
697 2004-06-01 Andreas Jaeger <aj@suse.de>
698
699 * configure.in: Handle multilibs, support
700 --enable-version-specific-runtime-libs.
701 * Makefile.am (lib_LTLIBRARIES): Rename to ...
702 (toolexeclib_LTLIBRARIES): this for multilib support.
703 * Makefile.in: Regenerated.
704 * configure: Regenerated.
705 * aclocal.m4: Regenerated.
706 * config.h.in: Regenerated.
707 * testsuite/Makefile.in: Regenerated.
708
709 2004-06-01 Andreas Jaeger <aj@suse.de>
710
711 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
712 multilibs, using multilib directory instead of hardcoded path.
713 Set LD_RUN_PATH.
714
715 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
716
717 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
718 * Makefile.in: Ditto.
719
720 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
721
722 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
723 * aclocal.m4, configure: Rebuilt.
724
725 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
726
727 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
728 import some build settings from libstdc++-v3 testsuite_flags.
729 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
730 changes to pass test language.
731
732 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
733 quicker mode-nop handling.
734
735 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
736
737 * mf-impl.h: Added libgcc license header.
738
739 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
740
741 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
742 Added libgcc license header.
743 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
744 (pthread_create): Simplify stack allocation syntax.
745
746 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
747
748 * mf-hooks2.c: Support FreeBSD.
749 (WRAP_gets): Avoid gets().
750 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
751 test unimplemented mem/str calls on FreeBSD.
752 * testsuite/libmudflap.c/pass21-frag.c: Do not include
753 <alloca.h> on FreeBSD.
754
755 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
756
757 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
758 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
759 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
760 flags for static linking permutation.
761 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
762 some pthreads code that croaks on linux glibc tls.
763
764 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
765
766 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
767
768 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
769
770 * testsuite/libmudflap.c/pass44-frag.c: New test.
771
772 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
773
774 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
775
776 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
777
778 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
779
780 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
781
782 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
783
784 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
785
786 PR libmudflap/12670
787 * configure.in: Add check for see if
788 socklen_t typedef is in sys/socket.h.
789 * mf-hooks1.c: Add define if socklen_t
790 is not typedef.
791 * mf-hooks2.c: Likewise.
792 * mf-hooks3.c: Likewise.
793 * config.h.in: Regen.
794 * configure: Regen.
795
796 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
797
798 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
799 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
800 optimizations.
801 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
802 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
803 (unoptimized) allocation of stack space.
804
805 2003-12-07 Richard Henderson <rth@redhat.com>
806
807 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
808 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
809
810 2003-12-06 Andrew Pinski <apinski@apple.com>
811
812 partial PR libmudflap/12670
813 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
814 * mf-hooks2.c: Likewise.
815 * mf-hooks3.c: Likewise.
816
817 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
818
819 libstdc++/11696
820 * mf-runtime.h.in: Switch to #pragma redefine_extname for
821 symbols interposed at compile time.
822 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
823
824 libmudflap/12939
825 * mf-hooks2.c (semctl): Tolerate FreeBSD.
826
827 * configure.in: Reorganize check for <pthread.h>.
828 * configure: Regenerated.
829
830 2003-11-04 David Edelsohn <edelsohn@gnu.org>
831
832 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
833 (_LARGE_FILE_API): Define for AIX.
834 * mf-hooks[123]: Same.
835 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
836
837 2003-10-21 David Edelsohn <edelsohn@gnu.org>
838
839 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
840
841 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
842
843 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
844
845 * configure.in: Update check for union semun.
846
847 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
848
849 PR other/11673
850 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
851
852 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
853
854 PR other/11673
855 * configure.in: Add checks for 64-bit LFS functions, struct semun
856 definition, for BSD compatibility.
857 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
858 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
859 * mf-hooks3.c: Ditto.
860 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
861 mmap flag.
862 * configure, config.h.in: Regenerated.
863
864 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
865
866 Multithreading fixes:
867 * mf-runtime.c (__mf_object): Store allocating/deallocating
868 thread id.
869 (options): Support new "-thread-stack" option.
870 Rename "-heur-argv-environ" option to "-heur-stdlib".
871 Disable "-lc-mask" and "-lc-shift" options.
872 (__mf_dynamic): Add function pointers for pthread_join/_exit.
873 (__assert_fail): New self-contained function for glibc.
874 * mf-hooks3.c: Essentially rewritten, particularly related to
875 use of __mf_pthread_info array.
876 (pthread_join, _exit): New hook functions.
877 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
878 * testsuite/libmudflap.cth/pass40-frag.c: New test.
879
880 Warning cleanups:
881 * mf-heuristics.c: Add type casts for tracing, sub calls.
882 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
883 Update all callers to declare explicit result holder.
884 (END_PROTECT): Removed.
885 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
886
887 2003-07-15 Diego Novillo <dnovillo@redhat.com>
888
889 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
890 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
891 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
892
893 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
894
895 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
896 * mf-hooks: Removed.
897 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
898 Move these macros from old mf-hooks.c here.
899 * Makefile.am: Adapt to split-up hook sources for faster builds.
900 * Makefile.in: Regenerated.
901
902 * mf-heuristics.c: Remove #if-0 block.
903
904 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
905 (__mf_starting_p): New state only for use while dlsym bootstrapping.
906 (CALL_REAL, __mf_init): Corresponding changes.
907 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
908 all callers to remove redundant "mf:" prefix.
909 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
910 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
911 (__mf_pthread_info): Become a hash table.
912
913 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
914 "dg-repetitions" directives to control test case execution.
915 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
916 options.
917 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
918
919 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
920
921 * mf-hooks.c (alloca): Separate into stub.
922 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
923 malloc/free for alloca blocks.
924 (pthread_create): Tolerate failing pthread_attr_get* calls.
925 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
926 * mf-impl.h (CALL_WRAP): Remove macro.
927 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
928 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
929 padding for ia64 BIT_FIELD_REF constructs.
930
931 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
932
933 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
934 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
935 libmudflap object type.
936 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
937 crashes on unregistering STATIC objects.
938
939 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
940
941 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
942 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
943 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
944 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
945 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
946 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
947 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
948 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
949 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
950 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
951 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
952 (accept, bind, connect, gethostname, sethostname): New hooks.
953 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
954 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
955 (semop, semctl, shmctl, shmat, shmdt): New hooks.
956 * mf-runtime.h.in: Corresponding changes.
957 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
958 (opts) Rename heur_argv_environ to heur_std_data.
959 (__mf_wrap_main): Use STATIC type for argv/environ strings.
960 * Makefile.am: Corresponding changes.
961 * Makefile.in: Regenerated.
962
963 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
964
965 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
966 heuristic for threaded case, and for non-x86-linux targets.
967 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
968 for use during pre-main() program startup.
969 (__mf_0fn_*): Make these functions non-static.
970 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
971 functions.
972 * mf-runtime.c (__mf_state): Set initial state to "starting".
973 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
974 (__wrap_main): New function to register argv[] and environ[] strings.
975 (__mf_ini): Call it.
976 (*): In all trace functions, use "%p" as formatter for uintptr_t.
977
978 * testsuite/libmudflap.c/pass38-frag.c: New test case.
979 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
980
981 * acinclude.m4: Add comments with aoliva's concerns about x86_64
982 pass_all.
983 * aclocal.m4, configure: Regenerated.
984
985 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
986
987 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
988 * aclocal.m4, configure: Regenerated.
989
990 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
991
992 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
993 for x86_64 target. Disable caching for this value.
994 * aclocal.m4, configure: Regenerated.
995
996 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
997
998 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
999 is about to become deprecated, and its present handling bugs are
1000 unworthy of fixing.
1001
1002 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
1003
1004 * testsuite/libmudflap.c/pass38-frag.c: New test for
1005 -fwritable-strings.
1006
1007 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1008
1009 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
1010 __mf_report, asserting reentrant calling context.
1011
1012 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1013
1014 * mf-hooks.c (realloc): Correct reentrancy logic.
1015 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
1016
1017 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
1018
1019 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
1020 PTHREAD_THREADS_MAX. Update users.
1021 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
1022 for active options.
1023 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
1024 with libmudflapth presence indicator.
1025 * testsuite/Makefile.in: Regenerated.
1026
1027 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
1028
1029 * Makefile.am (AM_CFLAGS): Remove "-ansi".
1030 * configure.in: Remove silly no-pthreads => no-shared logic.
1031 * Makefile.in, configure: Regenerated.
1032 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
1033 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
1034 code. Count reentrancy events.
1035 (all hook functions): Don't directly manipulate __mf_state variable.
1036 Add TRACE calls to hook functions without them.
1037 * mf-impl.h (LOCKTH): Try to count lock contention events.
1038 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
1039 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
1040 Reorganize reentrancy code.
1041 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
1042 identify reentrancy with mutex holding times.
1043 (internal __mfu_ entry points): Remove internal reentrancy code.
1044 (__mf_init): Use ordinary locked calls.
1045 (__mfu_report): Print the two new counts.
1046 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
1047 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
1048 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
1049 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
1050 option defaults.
1051
1052 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
1053
1054 * configure.in: Add pthread support, plus glibc and porting hacks.
1055 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
1056 from objects built into ./pth/.
1057 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
1058 functions for internal entry points. Update callers to pick
1059 locked vs. unlocked variants.
1060 (__mf_resolve_single_dynamic): Extend to support symbol versioning
1061 info coming in from a static data structure.
1062 (*): Reorder miscellaneous declarations to group data vs functions.
1063 (__mf_set_default_options): Simplify.
1064 (__mf_usage): Mention threading status of host executable.
1065 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
1066 decls to match above.
1067 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
1068 * mf-heuristics.c: Choose between locked/unlocked calls. Add
1069 some lock/unlock markers. Remove some unused code.
1070 * mf-hooks: Ditto.
1071 (pthread_create): New hook function.
1072 (__mf_pthread_cleanup, _spawner): New helper functions.
1073 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
1074
1075 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
1076
1077 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
1078
1079 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
1080
1081 * Makefile.am (HOOKOBJS): Add *time related hooks.
1082 * configure.in: Look for pthreads.h header.
1083 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
1084 * mf-runtime.c: Begin sketching some pthreads support.
1085 (__mf_usage): Check for -lpthread presence.
1086 (__mf_unregister): Confirm matching unregistration base.
1087 (__mf_find_objects_rec): Reduce unnecessary recursion.
1088 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
1089 #defines for new hook functions.
1090 * mf-impl.h: Corresponding changes.
1091 * config.h.in, configure, Makefile.in: Regenerated.
1092
1093 2002-04-27 Diego Novillo <dnovillo@redhat.com>
1094
1095 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
1096 modifiers to prevent being optimized away.
1097 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
1098 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1099 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
1100 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1101 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
1102 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
1103 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
1104
1105 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1106
1107 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1108 * configure.in: Look for uintptr_t and -ldl on target.
1109 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1110 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1111 * testsuite/Makefile.in: Regenerated.
1112 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1113 for better C compliance.
1114
1115 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1116
1117 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1118 prevention code.
1119 * mf-runtime.c (__mf_set_default_options): Turn off
1120 check-initialization.
1121 (__mf_describe_object): Shorten description.
1122 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1123
1124 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
1125
1126 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1127
1128 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
1129
1130 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1131 calls specially.
1132 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1133 * mf-impl.h (CALL_BACKUP): New macros.
1134 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1135
1136 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
1137
1138 * Makefile.am (AM_CFLAGS): Remove optimization flags.
1139 (HOOKOBJS): Remove dlopen hook.
1140 (libmudflap_la_LIBADD): Add -ldl.
1141 * mf-hooks.c (dlopen): Remove hook.
1142 * mf-impl.h (__mf_dynamic): Ditto.
1143 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1144 * Makefile.in: Regenerated.
1145
1146 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
1147
1148 * configure.in: Check for target gettimeofday, signal, some headers.
1149 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
1150 out inop multi_threaded field.
1151 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1152 (__mf_set_options): Correct handling of "-help".
1153 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1154 (__mf_check, __mf_register, __mf_unregister): Call it.
1155 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1156 (__mf_report_leaks): Make callable
1157 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
1158 distribution statistics.
1159 (__mf_adapt_cache): Rewrite shift guessing logic based on address
1160 bit distributions.
1161 * config.h.in, configure: Regenerated.
1162 * testsuite/libmudflap.c/fail27-frag.c: New test.
1163 * testsuite/libmudflap.c/pass36-frag.c: New test.
1164
1165 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
1166
1167 * mf-runtime.h.in: Tweak.
1168 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1169 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1170 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1171
1172 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1173
1174 * configure.in: Tweak generation of mf-runtime.h some more. It
1175 needs to work from both config.status and configure.
1176 * configure: Regenerated.
1177
1178 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1179
1180 * Makefile.am: Reorganize hook file building. Add auto dependencies.
1181 * configure.in: Tweak generation of mf-runtime.h.
1182 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1183 * mf-hooks.c (*): Adapt to initialized-heap object type.
1184 * mf-impl.h: Tweak cemetary boundaries.
1185 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1186 type.
1187 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1188 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1189 * testsuite/lib/libmudflap.exp (includes): Include build tree.
1190 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1191 checking.
1192 * testsuite/.../fail{25,26}-frag.c: New tests.
1193 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1194 * Makefile.in, configure: Regenerated.
1195
1196 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1197
1198 * mf-runtime.c (__mf_set_default_options): Turn on initialization
1199 checking by default.
1200 (__mf_insert_new_object): As a temporary hack, assume that new
1201 objects registered on the stack start out initialized.
1202 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1203 heap objects by hand.
1204
1205 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1206
1207 Switch to macro-style hooks for str*/mem*/b* functions.
1208 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1209 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1210 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1211 (__mf_set_default_options): Turn off heur_proc_map.
1212 (*): Adapt to to macro-style hook functions.
1213 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1214 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1215 (__mf_violation): Handle __MF_VIOL_WATCH.
1216 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1217 (__mf_dynamic): Removed mem*/str*/b* functions.
1218 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1219 (WRAPPER2): New macro for macro-style hooks.
1220 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1221 macro-style hooks.
1222 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1223 * mf-heuristics.c: Adapt to macro-style hook functions.
1224 Correct some comments.
1225 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1226 output pattern tests.
1227 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1228 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1229
1230 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1231
1232 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1233 for global array registration.
1234 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1235 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1236
1237 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1238
1239 * Makefile.am: Add gross make bug workarounds. Tweaked
1240 SUBDIRS and AM_CFLAGS.
1241 * Makefile.in: Regenerated.
1242
1243 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1244
1245 Switch to dejagnu.
1246 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1247 * Makefile.am (TESTS): Remove simple automake testing.
1248 * configure, Makefile.in: Regenerated.
1249 (SUBDIRS): Include new testsuite/ directory.
1250 * tests/*: Removed all files; moved bulk under:
1251 * testsuite/*: New subdirectory tree.
1252 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1253 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1254 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1255 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1256 * testsuite/config/default.exp: New file.
1257 * testsuite/Makefile.am, Makefile.in: New files.
1258
1259 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1260
1261 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1262 (TESTS): Add fail22 and pass29 tests.
1263 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1264 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1265 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1266 values. Move __MF_VIOL* here.
1267 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1268 (check_initialization): New field in __mf_opts. Default off.
1269 (read_count,write_count): New fields in __mf_object.
1270 (__mf_check): Implement basic initialization checking.
1271 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1272 (__mf_describe_object): Print new fields.
1273 (__mf_violation): Identify check/read vs. check/write in messages.
1274 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1275 "-check-initialized" mudflap option.
1276 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1277 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1278 Drop __FILE__/__LINE__ hack. Update callers.
1279 (*): Adapt to new mf-runtime.h API.
1280 * Makefile.in: regenerated.
1281
1282 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1283
1284 * configure.in: Build mf-runtime.h a more proper way.
1285 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1286 * mf-runtime.c (verbose_violations): Turn on by default.
1287 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1288 * mf-impl.h: ... and move it here.
1289 * configure: Regenerated.
1290
1291 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1292
1293 * configure.in: Look for C++ compiler.
1294 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1295 fixed type warnings when built with C++.
1296 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1297 * Makefile.am (TESTS): Run them.
1298 (*) Add new rules for building and running C++ tests.
1299 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1300 * mf-runtime.h.in: Protect with extern "C".
1301 * Makefile, configure: Regenerated.
1302
1303 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1304
1305 Portability improvements.
1306 * configure.in: Look for glibc backtrace headers/functions.
1307 * mf-hooks.c: Don't include <execinfo.h> any more.
1308 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1309 via CALL_REAL.
1310 (__mf_backtrace): Provide alternate baby implementation in
1311 absence of glibc.
1312 * test/mf-driver.c: Portability tweaks.
1313 * acinclude.m4: New file, containing top level libtool.m4.
1314 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1315
1316 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1317
1318 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1319
1320 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1321
1322 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1323 options.
1324 (__mf_unregister): Implement stack/heap object wiping.
1325 (__mf_set_options): Renamed from __mf_process_opts.
1326 (__mf_uncache_object): Change arg type, correct callers.
1327 * mf-impl.h: Corresponding changes.
1328 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1329 * mf-runtime.h.in (__mf_set_options): Extend public API.
1330 * test/pass26-frag.c: New test for stack wiping.
1331 * Makefile.am (TESTS): Run it.
1332 * Makefile.in: Regenerated.
1333
1334 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1335
1336 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1337 * mf-runtime.c (__mf_object_t): Add watching_p field.
1338 (__mf_watch_or_not): New function to implement
1339 object watch flagging.
1340 (__mf_watch, __mf_unwatch): New wrappers for above.
1341 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1342 (__mf_count_violation): Enlarge array.
1343 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1344 unlink object. Clear cache properly.
1345 (__mf_unregister): Unlink object explicitly before uncaching.
1346 * test/fail21-frag.c, pass25-frag.c: New tests.
1347 * Makefile.in, aclocal.m4: Regenerated.
1348
1349 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1350
1351 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1352 * Makefile.am (TESTS): Add it.
1353 * test/pass-stratcliff.c: Add decls of stpcpy.
1354 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1355 build tree from config.h and new file mf-runtime.h.in.
1356 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1357 * Makefile.in, configure, config.h.in: Regenerated.
1358 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1359 * mf-runtime.c (options, __mf_set_default_options): Support new
1360 default "abbreviate" option.
1361 (__mf_object.description_epoch): New field.
1362 (__mf_describe_object): Conditionally abbreviate objects already
1363 displayed in current epoch. Accept NULL input to increment epoch.
1364 (__mf_fini, __mf_ini): Reset description epoch.
1365 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1366 that NULL pointer slot in lookup cache is invalidated. Register a
1367 NOACCESS region around NULL.
1368 * mf-impl.h: Corresponding changes.
1369
1370 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1371
1372 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1373 * Makefile.am: Run them. Install mf-runtime.h.
1374 * Makefile.in: Regenerated.
1375 * mf-hooks.c: Add some markers for more missing functions.
1376 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1377 statistic to tune tune cache size (mask).
1378
1379 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1380
1381 * test/pass23-frag.c: New test for bit_field_ref expressions.
1382 * Makefile.am, Makefile.in: Add new test.
1383 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1384 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1385 * mf-runtime.c (__mf_init): Register errno global.
1386 (__mf_find_object): Removed function.
1387 (__mf_check): Rewrite logic to support accesses across some
1388 contiguous but distinctly registered objects.
1389 (__mf_remove_old_object): Tolerate cache entries that span
1390 contiguous objects.
1391
1392 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1393
1394 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1395 * Makefile.am, Makefile.in: Run new tests.
1396 * mf-hooks.c (alloca): Correct stack direction logic.
1397
1398 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1399
1400 * mf-impl.h (adapt_cache): New option.
1401 * mf-runtime.c (__mf_set_default_options): Set its default value.
1402 Tweak the tree_aging parameter down.
1403 (__mf_check): Maintain separate counter for cache-adaptation.
1404 (__mf_tree_analyze): New function to collect object tree stats.
1405 (__mf_adapt_cache): New function to automate cache parameters.
1406
1407 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1408
1409 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1410 hypothetical #if-0'd argv/envp region registration.
1411 * mf-runtime.c (__mf_init): Add kludged form of above.
1412 (*) Add "heur_argv_environ" flag, default on, to govern this.
1413 * mf-impl.h: Corresponding changes.
1414
1415 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1416
1417 * test/fail18-frag.c: New test file for NOACCESS regions.
1418 * Makefile.am (TESTS): Add new test.
1419 * Makefile.in: Regenerated.
1420
1421 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1422 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1423 (optimize_object_tree): Remove unused mudflap_option.
1424 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1425 support throughout. Use .._MAX_CEM for cemetary upper bound.
1426 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1427 regions.
1428 (__mf_object): Add new liveness field for use by tree aging.
1429 (__mf_check): Trigger tree aging when needed.
1430 (__mf_age_tree): New function to decay liveness field.
1431 (__mf_find_objects_rec): Use liveness field to rotate tree.
1432 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1433 (__mf_unregister): Ditto.
1434 (__mf_register): Tweak duplicate-static message.
1435 (__mf_violation: Tweak nearby-object counter printing.
1436
1437 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1438
1439 * test/pass20-frag.c: New test file.
1440 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1441 * Makefile.in: Regenerated.
1442
1443 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1444 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1445 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1446 entries to avoid repeat registration.
1447 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1448 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1449
1450 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1451
1452 * Makefile.am: Create test sources with #include, not cat>>.
1453 * Makefile.in: Regenerated.
1454 * test/buildtest.sh: Removed.
1455 * test/driver.c (abort_handler, main): Be quiet.
1456
1457 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1458
1459 * test/pass18-frag.c, pass19-frag.c: New tests.
1460 * Makefile.am (check): Run them. Rebuild test programs each time.
1461 * Makefile.in: Regenerated.
1462
1463 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1464
1465 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1466 overlapping object search.
1467 (__mf_violation): Likewise for nearby objects.
1468 Improve nearby-object listing.
1469
1470 cleanup:
1471 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1472 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1473
1474 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1475
1476 alloca support:
1477 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1478 (HOOKOBJS): Add alloca-hook.o.
1479 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1480 style.
1481 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1482 (__mf_backtrace): Reimplement without using alloca.
1483 * Makefile.in: Regenerated.
1484
1485 cleanup:
1486 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1487 Correct signedness bugs in length-tracking variables.
1488 * mf-impl.h: Make options unsigned.
1489 (CALL_WRAP): New macro to parallel CALL_REAL().
1490 (DECLARE): Remove erroneous ";" at end.
1491 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1492 formatting specs with %08lx. Correct several compiler warnings.
1493
1494 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1495
1496 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1497
1498 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1499
1500 libmudflap hook breakup:
1501 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1502 for libgcc_s.
1503 (TESTS): Make dependent on libmudflap.
1504 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1505 compiled from segments of mf-hooks.c.
1506 * mf-hooks.c: Corresponding changes: wrap each function in
1507 #ifdef/#endif.
1508 * Makefile.in: Regenerated.
1509
1510 Heuristics reorganization:
1511 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1512 Remove these functions. Update callers.
1513 (__mf_heuristic_check): Incorporate all the various heuristics.
1514 Encode cacheability/retry judgement into trinary return value.
1515 Separate start-end logic into a separate fallback heuristic. Only
1516 register relevant /proc/self/map segments.
1517 * mf-impl.h: Corresponding changes.
1518 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1519 (__mf_init): Don't call __mf_init_heuristics.
1520
1521 Tracing cleanup:
1522 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1523 "-verbose-trace" to emit all tracing messages other than those of
1524 basic public api. Eliminate some duplicate/excessive messages.
1525 * mf-runtime.h: Corresponding changes.
1526
1527 2002-08-27 Graydon Hoare <graydon@redhat.com>
1528
1529 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1530 and __real when compiled with -DPIC.
1531 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1532 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1533 * Makefile.in: Regenerate.
1534
1535 2002-08-26 Graydon Hoare <graydon@redhat.com>
1536
1537 * mf-impl.h: New file, private implementation header.
1538 * mf-runtime.h: Reorganize a bit.
1539 (CLAMPSZ): Fix arithmetic.
1540 (__MF_CACHE_MISS_P): Fix arithmetic.
1541 * mf-runtime.c: Reorganize a bit.
1542 (__mf_dynamic): New structure.
1543 (resolve_single_dynamic): New function.
1544 (__mf_resolve_dynamics): New function.
1545 (__mf_init): Initialize dynamic wrappers.
1546 * mf-hooks.c: Macro-ize __real calls.
1547 Clamp various bits of arithmetic.
1548 Add explicit __mf_check call contexts.
1549 * Makefile.am: Add dependencies on mf-impl.h
1550 * Makefile.in: Regenerate.
1551 * configure.in: Comment out shared override.
1552 * configure: Regenerate.
1553
1554 2002-08-22 Graydon Hoare <graydon@redhat.com>
1555
1556 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1557 (__mf_check): Re-inialize and check heuristics before violation.
1558 (__mf_register): Permit updating pure-guess regions.
1559 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1560 (__wrap_dlopen): New wrapper function.
1561 (__wrap_mmap): New wrapper function.
1562 (__wrap_munmap): New wrapper function.
1563 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1564 which are not stack addresses.
1565 (is_stack_address): New function.
1566 (__mf_init_heuristics): Save and restore state, always initialize with
1567 "starting" state.
1568
1569 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1570
1571 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1572 error. Pass location string.
1573 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1574 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1575 (__mf_process_opts): Apply some sanity checking for lc-mask.
1576 (__mf_check, __mf_violation): Take new location-string argument.
1577 Update callers to pass NULL if necessary.
1578 (__mf_backtrace): New smart backtracer function. Calls replace
1579 several ad-hoc blocks elsewhere.
1580 (__mf_describe_object): Remove bad reentrancy test. Improve
1581 tracing message.
1582 * mf-runtime.h: Corresponding changes. Public/private markup.
1583 (__MF_CACHE_MISS_P): New macro.
1584
1585 2002-08-20 Graydon Hoare <graydon@redhat.com>
1586
1587 * mf-runtime.h: New option: stack_bound (heuristic).
1588 Move some macros out of implementation files.
1589 * mf-runtime.c: New option string: -stack-bound.
1590 Unify recursion protection with hooks.
1591 Add more logging.
1592 (__mf_check): Call __mf_heuristic_check.
1593 (__mf_process_opts): Fix "no-" processing.
1594 * mf-heuristics.c (__mf_heuristic_check): New function.
1595 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1596
1597 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1598
1599 Option parsing improvements, region splitting bug fixes:
1600 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1601 * mf-runtime.h (heur_proc_map): New libmudflap option.
1602 * mf-runtime.c (__mf_set_default_options): Set it.
1603 (__mf_usage): Print default values/status.
1604 (__mf_process_opts): Support general "no-" option string prefix.
1605 (__mf_init): Print __mf_usage on unknown-option error.
1606 (__mf_register): Print trace message up front.
1607 Correct region splitting logic for case where a subregion disappears.
1608 Correct memory leak.
1609 (__mf_violation): Make even basic message conditional on option.
1610
1611 Build cleanup:
1612 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1613 (clean-local): New target.
1614 (test/*x rules): Add -g CFLAGS.
1615 (CFLAGS): Add -freorder-blocks.
1616 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1617 * Makefile.in: Regenerated.
1618 * Makefile, mf-config.h: Removed files.
1619
1620 2002-08-16 Graydon Hoare <graydon@redhat.com>
1621
1622 * mf-runtime.c (__mf_insert_new_object): Factor out of
1623 __mf_register.
1624 (__mf_remove_old_object): Factor out of __mf_unregister.
1625 (__mf_register): Handle guessed regions, splitting
1626 guesses when new registrations arrive.
1627 (__mf_unregister): Do not unregister guesses.
1628 * mf-runtime.h: Move convenience macros around,
1629 declare new option fields. Add __MF_TYPE_GUESS.
1630 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1631 (__wrap_free): Call __real_free for deferred frees.
1632 * Makefile.am: Add more tests, fix dependency.
1633 * Makefile.in: Regenerate.
1634 * test/pass[13..17]-frag.c: New testcases.
1635 * test/fail[13..17]-frag.c: New testcases.
1636
1637 2002-08-15 Graydon Hoare <graydon@redhat.com>
1638
1639 * mf-heuristics.c: New file.
1640 * mf-runtime.c (options): Add -trace-calls option.
1641 (__mf_init): Call __mf_init_heuristics.
1642
1643 2002-08-14 Graydon Hoare <graydon@redhat.com>
1644
1645 * Makefile.am (TESTS): Add testsuite support.
1646 * Makefile.in: Regenerate.
1647 * test/mf-driver.c: New file.
1648 * test/buildtest.sh: New file.
1649 * test/passNN-frag.c: New testcases.
1650 * test/failNN-frag.c: New testcases.
1651
1652 2002-08-14 Graydon Hoare <graydon@redhat.com>
1653
1654 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1655 verifying non-size-limited string extents.
1656
1657 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1658
1659 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1660 instead of plain str[n]len for internal checks.
1661 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1662
1663 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1664
1665 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1666
1667 2002-08-13 Graydon Hoare <graydon@redhat.com>
1668
1669 * mf-runtime.c: Rework configuration to operate on
1670 environment variable options rather than #defines
1671 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1672 (__mf_init): Set static __mf_active_p flag on startup,
1673 to inhibit mudflap wrap-based checking during crt0.s.
1674 * mf-runtime.h: Declare options structure.
1675 * mf-hooks.c: New wrappings for mem*, b*, str*
1676 libc functions (temporarily #if 0-ed out).
1677
1678 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1679
1680 * Makefile.am, configure.in: New files.
1681 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1682 * stamp-h.in, aclocal.m4: Ditto.
1683
1684 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1685
1686 * Makefile: New file.
1687 * mf-config.h: New file: runtime configuration.
1688 * mf-hooks.c: New file: interposed libc functions.
1689 * mf-runtime.c: New file: bulk of runtime.
1690 * mf-runtime.h: New file: public functions.