re PR tree-optimization/19831 (Missing DSE/malloc/free optimization)
[gcc.git] / libmudflap / ChangeLog
1 2009-07-01 Richard Guenther <rguenther@suse.de>
2
3 PR tree-optimization/19831
4 * testsuite/libmudflap.c/fail11-frag.c: Make allocated memory
5 escape.
6 * testsuite/libmudflap.c/fail12-frag.c: Likewise.
7 * testsuite/libmudflap.c/fail16-frag.c: Likewise.
8 * testsuite/libmudflap.c/fail31-frag.c: Likewise.
9
10 2009-06-30 Richard Sandiford <r.sandiford@uk.ibm.com>
11
12 * testsuite/lib/libmudflap.exp (libmudflap-init): Don't add "."
13 to ld_library_path. Use add_path. Add just find_libgcc_s to
14 ld_library_path, not every libgcc multilib directory.
15
16 2009-04-09 Nick Clifton <nickc@redhat.com>
17
18 * mf-hooks1.c: Change copyright header to refer to version 3
19 of the GNU General Public License with version 3.1 of the GCC
20 Runtime Library Exception and to point readers at the COPYING3
21 and COPYING3.RUNTIME files and the FSF's license web page.
22 * mf-heuristics.c: Likewise.
23 * mf-hooks2.c: Likewise.
24 * mf-hooks3.c: Likewise.
25 * mf-impl.h: Likewise.
26 * mf-runtime.c: Likewise.
27 * mf-runtime.h: Likewise.
28
29 2009-04-09 Jakub Jelinek <jakub@redhat.com>
30
31 * testsuite/lib/mfdg.exp: Change copyright header to refer to
32 version 3 of the GNU General Public License and to point readers
33 at the COPYING3 file and the FSF's license web page.
34 * testsuite/lib/libmudflap.exp: Likewise.
35
36 2009-03-31 Ben Elliston <bje@au.ibm.com>
37
38 PR libmudflap/38462
39 * testsuite/libmudflap.c/fail27-frag.c: Match `mudflap dead
40 object', not `mudflap object'.
41
42 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
43
44 * configure: Regenerate.
45
46 2009-02-03 Jakub Jelinek <jakub@redhat.com>
47
48 * mf-runtime.c (__mf_usage): Update copyright notice dates.
49
50 2009-01-23 Jie Zhang <jie.zhang@analog.com>
51
52 * mf-impl.h (__mf_get_state, __mf_set_state): Don't use
53 __thread when TLS support is emulated.
54 * mf-hooks3.c (__mf_get_state, __mf_set_state): Likewise.
55 * mf-runtime.c (__mf_state_1): Likewise.
56 * configure.ac: Use GCC_CHECK_EMUTLS.
57 * configure: Regenerate.
58 * config.h.in: Regenerate.
59
60 2008-12-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
61
62 * configure: Regenerate.
63
64 2008-11-26 Janis Johnson <janis187@us.ibm.com>
65
66 PR testsuite/28870
67 * testsuite/lib/mfdg.exp (dg-test): Use new timeout support.
68 (dg-timeout): Remove.
69 (standard-wait): Remove.
70 * testsuite/lib/libmudflap.exp: Include new timeout library files.
71 (libmudflap_target_compile): Set timeout value from new proc.
72
73 2008-11-10 Jakub Jelinek <jakub@redhat.com>
74
75 PR middle-end/35314
76 * testsuite/libmudflap.c/pass67-frag.c: New test.
77
78 2008-10-09 Jakub Jelinek <jakub@redhat.com>
79
80 PR c++/37568
81 * testsuite/libmudflap.c++/pass66-frag.cxx: New test.
82
83 2008-09-26 Peter O'Gorman <pogma@thewrittenword.com>
84 Steve Ellcey <sje@cup.hp.com>
85
86 * configure: Regenerate for new libtool.
87 * Makefile.in: Ditto.
88 * testsuite/Makefile.in: Ditto.
89
90 2008-09-15 Jakub Jelinek <jakub@redhat.com>
91
92 PR libmudflap/36397
93 * testsuite/libmudflap.c/pass64-frag.c: New test.
94
95 2008-06-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
96
97 * Makefile.in: Regenerate.
98 * config.h.in: Regenerate.
99 * configure: Regenerate.
100 * testsuite/Makefile.in: Regenerate.
101
102 2008-04-18 Paolo Bonzini <bonzini@gnu.org>
103
104 PR bootstrap/35457
105 * aclocal.m4: Regenerate.
106 * configure: Regenerate.
107
108 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
109
110 * testsuite/libmudflap.c/pass63-frag.c: New test.
111
112 2008-03-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
113
114 * aclocal.m4: Regenerate.
115 * configure: Likewise.
116 * Makefile.in: Likewise.
117 * testsuite/Makefile.in: Likewise.
118
119 2008-03-02 Jakub Jelinek <jakub@redhat.com>
120
121 * mf-runtime.c (__mf_usage): Update copyright notice dates.
122
123 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
124
125 * testsuite/libmudflap.c/fail8-frag.c: Adjust scan pattern for
126 mudflap dead object.
127 * testsuite/libmudflap.c/fail9-frag.c: Ditto.
128
129 2008-01-24 David Edelsohn <edelsohn@gnu.org>
130
131 * configure: Regenerate.
132
133 2008-01-05 Jakub Jelinek <jakub@redhat.com>
134
135 PR tree-optimization/34618
136 * testsuite/libmudflap.c/pass62-frag.c: New test.
137
138 2008-01-03 Jakub Jelinek <jakub@redhat.com>
139
140 PR c++/34619
141 * testsuite/libmudflap.c++/pass61-frag.cxx: New test.
142
143 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
144
145 PR libmudflap/26442
146 * testsuite/libmudflap.c++/pass60-frag.cxx: New test.
147
148 2007-10-15 Maciej W. Rozycki <macro@linux-mips.org>
149
150 * configure: Regenerate following changes to ../config/tls.m4.
151
152 2007-07-26 Tom Tromey <tromey@redhat.com>
153
154 * Makefile.in: Rebuilt.
155 * Makefile.am (clean-local): Removed.
156 (pth/mf-runtime.lo, pth/mf-heuristics.lo, pth/mf-hooks1.lo,
157 pth/mf-hooks2.lo, pth/mf-hooks3.lo): Likewise.
158 (libmudflapth_la_SOURCES): List sources.
159 (libmudflapth_la_LIBADD): Clear.
160 (libmudflapth_la_CFLAGS): New variable.
161
162 2007-07-05 H.J. Lu <hongjiu.lu@intel.com>
163
164 * aclocal.m4: Regenerated.
165
166 2007-06-02 Paolo Bonzini <bonzini@gnu.org>
167
168 * configure: Regenerate.
169
170 2007-05-31 Frank Ch. Eigler <fche@redhat.com>
171
172 From Andi Kleen <ak@suse.de>:
173 * mf-runtime.c (options): Rename structure for compatibility with
174 glibc getopt_long.
175
176 2007-05-23 Steve Ellcey <sje@cup.hp.com>
177
178 * Makefile.in: Regenerate.
179 * configure: Regenerate.
180 * aclocal.m4: Regenerate.
181 * testsuite/Makefile.in: Regenerate.
182
183 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
184
185 * testsuite/libmudflap.cth/pass59-frag.c (main): Fix casting of arg.
186
187 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
188
189 * Makefile.am: Add dummy install-pdf target.
190 * Makefile.in: Regenerate
191
192 2007-02-07 Jakub Jelinek <jakub@redhat.com>
193
194 PR libgomp/28468
195 * configure: Regenerate.
196
197 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
198
199 * configure: Regenerate.
200
201 2006-11-13 Daniel Jacobowitz <dan@codesourcery.com>
202
203 * configure: Regenerated.
204
205 2006-11-10 Frank Ch. Eigler <fche@redhat.com>
206
207 PR libmudflap/28578
208 * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
209 static but not function scope static.
210 (free): Skip deallocation attempts for objects placed into
211 bootstrap buffers.
212 * testsuite/libmudflap.cth/pass59-frag.c: New test.
213
214 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
215
216 From Herman ten Brugge <hermantenbrugge@home.nl>:
217 * mf-runtime.c (__mf_uncache_object): Optimize the code so that
218 small and large objects are handled a lot faster.
219
220 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
221
222 * configure.ac (__libc_freeres): Look for it.
223 * mf-impl.h (call_libc_freeres): New configuration flag.
224 * mf-runtime.c (__mf_set_default_options): Set it by default.
225 (__mfu_report): Call it if needed.
226 (__mfu_unregister): Remove "unaccessed registered object" warning.
227 * configure, config.h.in: Regenerated.
228
229 2006-09-18 Tom Tromey <tromey@redhat.com>
230
231 * configure: Rebuilt.
232
233 2006-06-21 Frank Ch. Eigler <fche@redhat.com>
234
235 PR 21274
236 mf-runtime.h installation based on ssp patch for PR 26473 from
237 Mark Mitchell <mark@codesourcery.com>.
238 * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
239 * Makefile.am (target_noncanonical): Define.
240 (libsubincludedir): New variable.
241 (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
242 (include_HEADERS): Remove.
243 * configure, aclocal.m4, config.h.in: Regenerated.
244 * Makefile.in, testsuite/Makefile.in: Likewise.
245 * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
246 and _THREAD_SAFE redefinition values.
247
248 2006-05-23 Carlos O'Donell <carlos@codesourcery.com>
249
250 * Makefile.am: Add install-html target. Add install-html to .PHONY
251 * Makefile.in: Regenerate.
252
253 2006-04-19 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
254
255 PR mudflap/26789
256 * testsuite/libmudflap.c++/error1-frag.cxx: New test.
257
258 PR mudflap/26790
259 * testsuite/libmudflap.c++/error2-frag.cxx: New test.
260
261 2006-04-10 Matthias Klose <doko@debian.org>
262
263 * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
264 directory names containing underscores.
265
266 2005-11-22 Janis Johnson <janis187@us.ibm.com>
267
268 * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
269 MUDFLAP_FLAGS if static library not supported.
270 * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
271 * testsuite/libmudflap.c/externs.exp: Ditto.
272 * testsuite/libmudflap.c++/ctors.exp: Ditto.
273 * testsuite/libmudflap.c++/c++frags.exp: Ditto.
274 * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
275
276 2005-10-04 James E Wilson <wilson@specifix.com>
277
278 * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
279 $name as array of characters with unknown bound. Also store into the
280 array.
281 * configure: Regenerate.
282
283 2005-09-30 James E. Wilson <wilson@specifix.com>
284
285 * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
286 AC_CHECK_HEADER.
287 (target_thread_file): New. Set from sed'ed gcc output.
288 (posix_threads): New. Set from target_thread_file. Use instead of
289 ac_have_pthread_h.
290 (pthread_create_version): Move initialization before code using it.
291 * configure: Regenerate.
292
293 * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
294 bounds.
295
296 2005-09-29 James E. Wilson <wilson@specifix.com>
297
298 * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
299 with HAVE_MMAP ifdef.
300
301 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
302
303 PR 23084.
304 * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
305
306 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
307
308 * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
309
310 2005-09-23 Tom Tromey <tromey@redhat.com>
311
312 * aclocal.m4, configure: Rebuilt.
313 * configure.ac: Use GCC_CHECK_TLS.
314 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
315 to ../config.
316
317 2005-08-22 Jim Wilson <wilson@specifix.com>
318
319 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
320 __FreeBSD__ is defined.
321
322 2005-08-17 Jim Wilson <wilson@specifix.com>
323
324 * mf-hooks1.c (malloc, calloc, realloc, free,
325 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
326 the real routines, and END_MALLOC_PROTECT afterwards.
327 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
328 (BEGIN_PROTECT): Handle in_malloc state.
329 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
330 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
331
332 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
333
334 * All files: Update FSF address.
335
336 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
337
338 * mf-hooks3.c (main_seen_p): Remove.
339 (__mf_get_state): Remove attempt to recognize the main thread.
340
341 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
342
343 * configure.ac: Test for the name of the symbol used for the entry
344 point; define ENTRY_POINT to the result.
345 * configure: Regenerate.
346 * config.h.in: Regenerate.
347 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
348
349 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
350
351 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
352 (__mf_init): Set thread state active.
353 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
354 state active.
355 (pthread_create wrapper): Always use thread spawner.
356
357 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
358 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
359
360 2005-07-16 Richard Henderson <rth@redhat.com>
361
362 * acinclude.m4: New file.
363 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
364 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
365 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
366 (__mf_0fn_calloc): ... here.
367 * mf-hooks3.c (struct pthread_info): Remove.
368 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
369 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
370 (struct mf_thread_data): New.
371 (mf_thread_data, mf_thread_data_lock): New.
372 (__mf_allocate_blank_threadinfo): Remove.
373 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
374 not available.
375 (__mf_state_perthread): Remove.
376 (__mf_get_state, __mf_set_state): New.
377 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
378 Update mf_thread_data killing procedure.
379 (__mf_pthread_spawner): Similarly.
380 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
381 code to allocate thread stack space.
382 (__mf_0fn_pthread_join, pthread_join): Remove.
383 (__mf_0fn_pthread_exit, pthread_exit): Remove.
384 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
385 (__mf_state_1): Rename from __mf_state; use TLS when available.
386 (__mf_get_state, __mf_set_state): New. Update all users.
387 * mf-runtime.c (begin_recursion_protect1): New.
388 (BEGIN_RECURSION_PROTECT): Use it.
389 (__mf_state_1): Rename from __mf_state; use TLS when available.
390 (threads_active_p): Remove.
391 (__mf_usage): Compute it directly.
392
393 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
394
395 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
396
397 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
398
399 Fix for uncaching bug reported by Herman ten Brugge.
400 * mf-runtime.c (__mf_uncache_object): Search whole cache.
401 * testsuite/libmudflap.c/fail40-frag.c: New test.
402
403 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
404
405 PR libmudflap/21724
406 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
407 * Makefile.in: Amend.
408
409 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
410
411 PR mudflap/21023
412 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
413 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
414
415 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
416
417 PR libmudflap/21094
418 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
419
420 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
421
422 PR mudflap/22064
423 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
424 unsigned vars with #defines instead of enums.
425
426 2005-05-09 Mike Stump <mrs@apple.com>
427
428 * configure: Regenerate.
429
430 2005-04-12 Mike Stump <mrs@apple.com>
431
432 * configure: Regenerate.
433
434 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
435
436 PR mudflap/19266
437 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
438 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
439
440 2005-04-04 Alan Modra <amodra@bigpond.net.au>
441
442 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
443
444 2005-03-31 Mike Stump <mrs@apple.com>
445
446 * mf-runtime.h: Add libmudflap copyright clause.
447
448 2005-03-21 Mike Stump <mrs@apple.com>
449
450 * mf-heuristics.c: Fix whitespace at end of line.
451 * mf-hooks1.c: Likewise.
452 * mf-hooks2.c: Likewise.
453 * mf-hooks3.c: Likewise.
454 * mf-impl.h: Likewise.
455 * mf-runtime.c: Likewise.
456 * mf-runtime.h: Likewise.
457
458 2005-03-21 Zack Weinberg <zack@codesourcery.com>
459
460 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
461 In all substitutions, expand gcc_version in Makefile.
462 * aclocal.m4, configure: Regenerate.
463 * Makefile.am: Set gcc_version.
464 * Makefile.in, testsuite/Makefile.in: Regenerate.
465
466 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
467
468 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
469 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
470
471 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
472
473 PR mudflap/19319
474 * testsuite/libmudflap.c++/pass55-frag.c: New test.
475
476 2005-01-05 Richard Henderson <rth@redhat.com>
477
478 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
479
480 2005-01-02 Greg McGary <greg@mcgary.org>
481
482 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
483 * mf-runtime.h: New file, replaces mf-runtime.h.in.
484 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
485 * Makefile.in: Ditto.
486 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
487 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
488 * testsuite/libmudflap.c/fail36-frag.c: New test.
489 * testsuite/libmudflap.c/fail37-frag.c: New test.
490 * testsuite/libmudflap.c/fail38-frag.c: New test.
491
492 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
493
494 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
495 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
496
497 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
498
499 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
500 * aclocal.m4: Include ../config/gcc-version.m4.
501 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
502
503 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
504
505 * Makefile.am: Define ACLOCAL_AMFLAGS.
506 * acinclude.m4: Remove.
507 * stamp-h.in: Remove superfluous stamp file.
508 * aclocal.m4, configure, Makefile.in: Regenerate.
509 * testsuite/Makefile.in: Likewise.
510
511 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
512
513 * Makefile.am: Revert previous.
514 * acinclude.m4: Restore.
515 * aclocal.m4, configure, Makefile.in: Regenerate.
516 * testsuite/Makefile.in: Likewise.
517
518 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
519
520 * Makefile.am: Define ACLOCAL_AMFLAGS.
521 * acinclude.m4: Remove.
522 * aclocal.m4, configure, Makefile.in: Regenerate.
523 * testsuite/Makefile.in: Likewise.
524
525 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
526
527 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
528
529 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
530
531 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
532 * testsuite/Makefile.in: Likewise.
533
534 2004-11-01 Andreas Schwab <schwab@suse.de>
535
536 * configure.ac: (target_alias): Default to $host_alias, not
537 $target.
538 * configure: Regenerated.
539
540 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
541
542 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
543 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
544 message.
545
546 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
547
548 PR other/18138
549 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
550
551 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
552
553 * configure.ac: Check for more headers, functions.
554 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
555 tracking overridden FILE buffers.
556 (fopen, setvbuf): New/revised hook functions for buffer overriding.
557 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
558 (fflush): Accept given NULL stream (means "all streams").
559 * mf-runtime.h.in:
560 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
561 HEAP/GUESS objects.
562 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
563 (__mf_adapt_cache): Use them all.
564 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
565 * testsuite/libmudflap.c++/ctors.exp: Ditto.
566 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
567 * configure, config.h.in: Regenerated.
568
569 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
570
571 * configure.ac: Checking for sys/socket.h once is enough.
572 * configure: Regenerated.
573
574 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
575
576 * configure.ac: Look for more headers & functions.
577 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
578 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
579 * mf-runtime.c (options): Clean up integer signedness warnings.
580 (main): Add a declaration to fix a warning.
581 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
582 * configure, config.h.in: Regenerated.
583
584 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
585
586 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
587 New tests for proper base/limit checking for aggregates.
588
589 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
590
591 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
592
593 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
594
595 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
596 * mf-hooks2.c (strerror): Unregister previous string returned by
597 previous strerror.
598 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
599 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
600 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
601 * mf-runtime.c (__mf_describe_object): Clarify object life status.
602 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
603 New tests.
604 * configure, config.h.in: Regenerated.
605
606 2004-08-03 Dale Johannesen <dalej@apple.com>
607
608 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
609
610 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
611
612 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
613 simplified contents in all former callers.
614
615 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
616
617 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
618 the statically linked case.
619
620 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
621
622 * splay-tree.[ch]: Remove. Merge contents into ...
623 * mf-runtime.c: ... here, renaming symbols and making all functions
624 static. Remove unused min/max functions.
625 * Makefile.am: Forget about splay-tree.[ch].
626 * Makefile.in, testsuite/Makefile.in: Regenerated.
627
628 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
629
630 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
631 (__mfu_usage): Include (C) 2004.
632 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
633 here. Include a comment explaining why.
634
635 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
636
637 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
638 * mf-runtime.c (options): Give them a name.
639 (__mf_set_default_options): Set them.
640 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
641 (__mf_violation): Warning cleanup.
642 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
643 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
644
645 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
646
647 g++/15861
648 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
649 repeated invocation.
650
651 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
652
653 Test case for g++/15861
654 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
655 * testsuite/libmudflap.c++/ctors.exp: Driver.
656 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
657 Look only for *frag* test cases.
658
659 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
660
661 ANSI C conversion, libmudflap specialization, recursion limiting.
662 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
663 argument and indirection function pointers, update callers.
664 (splay_tree_s): Add statistics and recursion control fields
665 num_keys, max_depth, depth, rebalance_p.
666 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
667 Back out of search if it exceeds limit.
668 (splay_tree_splay): Manage recursion limiting with rebalancing as
669 needed.
670 (splay_tree_new): More initialization.
671 (splay_tree_rebalance): New function.
672 (splay_tree_foreach): Rewrite using nonrecursive logic.
673 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
674 Remove. Point indirect calls to mf-runtime.c's routines.
675 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
676 functions.
677 (splay_tree_delete, splay_tree_delete_helper): Ditto.
678 * testsuite/heap-scalestress.c: New test based on one from
679 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
680
681 2004-07-05 Matthias Klose <doko@debian.org>
682
683 * libtool-version: New.
684 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
685 Use -version-info for soname.
686 * Makefile.in: Regenerate.
687 * configure.ac: Remove libtool_VERSION macro
688 * configure: Regenerate
689
690 2004-07-05 Zack Weinberg <zack@codesourcery.com>
691
692 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
693 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
694 #ifndef _MUDFLAP.
695
696 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
697
698 Splay tree implementation fork.
699 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
700 Use hard-coded comparison function for uintptr_t. Remove key/value
701 deallocation logic. Cache last splayed key for consecutive lookups.
702 * Makefile.am, Makefile.in: Use them, don't link to them.
703 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
704 (__mf_find_objects2): Flip successor/predecessor search sequence.
705 * ansidecl.h, libiberty.h: Removed dummy files.
706
707 2004-06-29 Nick Clifton <nickc@redhat.com>
708
709 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
710 * configure: Regenerate.
711 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
712 HAVE_DIRENT_H.
713 Remove spurious inclusion of <strings.h>.
714
715 2004-06-29 Nick Clifton <nickc@redhat.com>
716
717 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
718 function actually exists.
719
720 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
721
722 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
723 * config.h.in: Regenerated.
724
725 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
726
727 Adopt splay trees for object database.
728 * Makefile.am: Copy splay-tree.* from libiberty.
729 * Makefile.in, testsuite/Makefile.in: Regenerated.
730 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
731 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
732 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
733 * mf-runtime.c: Rewrite code dealing with object database to use
734 libiberty splay trees. Remove tree liveness aging option.
735 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
736
737 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
738
739 * configure.ac: New name of configure.in. Update
740 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
741 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
742 Autoconf 2.5x and Automake 1.7 or later.
743 * configure.in: Remove.
744 * configure: Regenerate.
745
746 * Makefile.am: Remove useless multilib rules.
747 * Makefile.in: Regenerate.
748
749 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
750
751 * .cvsignore: New file.
752
753 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
754
755 PR libmudflap/13505
756 * mf-hooks2.c (semctl): Add cygwin porting hack.
757
758 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
759
760 ctype support.
761 * configure.in: Look for ctype header and glibc implementation.
762 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
763 array hooks for glibc 2.3.
764 * mf-runtime.h.in: Wrap them.
765 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
766 implementations.
767 * testsuite/libmudflap.c/pass47-frag.c: New test.
768 * configure, config.h.in: Regenerated.
769
770 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
771
772 Portability improvements, e.g., libmudflap/15293.
773 * configure.in: Look for glibc extension functions. Look for
774 support of -f{function,data}-sections. Look for more headers.
775 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
776 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
777 mf-hooks* into usual single object per source.
778 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
779 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
780 if system doesn't provide one.
781 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
782 (pthread_create): Use it to properly GC dead thread stacks.
783 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
784 * testsuite/Makefile.am: Stop generating site.exp.
785 * testsuite/mfconfig.exp.in: New file.
786 * testsuite/config/default.exp: Load new mfconfig.exp.
787 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
788 (prune_gcc_output): Add glibc static linking warnings.
789 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
790 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
791 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
792 Regenerated with autoconf 2.57 and automake 1.7.
793
794 2004-06-04 Per Bothner <per@bothner.com>
795
796 * configure.in (LIBMUDFLAPTH): Fix thinko.
797
798 * configure.in: Check for more headers.
799 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
800
801 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
802 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
803
804 2004-06-01 Andreas Jaeger <aj@suse.de>
805
806 * configure.in: Handle multilibs, support
807 --enable-version-specific-runtime-libs.
808 * Makefile.am (lib_LTLIBRARIES): Rename to ...
809 (toolexeclib_LTLIBRARIES): this for multilib support.
810 * Makefile.in: Regenerated.
811 * configure: Regenerated.
812 * aclocal.m4: Regenerated.
813 * config.h.in: Regenerated.
814 * testsuite/Makefile.in: Regenerated.
815
816 2004-06-01 Andreas Jaeger <aj@suse.de>
817
818 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
819 multilibs, using multilib directory instead of hardcoded path.
820 Set LD_RUN_PATH.
821
822 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
823
824 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
825 * Makefile.in: Ditto.
826
827 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
828
829 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
830 * aclocal.m4, configure: Rebuilt.
831
832 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
833
834 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
835 import some build settings from libstdc++-v3 testsuite_flags.
836 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
837 changes to pass test language.
838
839 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
840 quicker mode-nop handling.
841
842 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
843
844 * mf-impl.h: Added libgcc license header.
845
846 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
847
848 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
849 Added libgcc license header.
850 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
851 (pthread_create): Simplify stack allocation syntax.
852
853 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
854
855 * mf-hooks2.c: Support FreeBSD.
856 (WRAP_gets): Avoid gets().
857 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
858 test unimplemented mem/str calls on FreeBSD.
859 * testsuite/libmudflap.c/pass21-frag.c: Do not include
860 <alloca.h> on FreeBSD.
861
862 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
863
864 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
865 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
866 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
867 flags for static linking permutation.
868 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
869 some pthreads code that croaks on linux glibc tls.
870
871 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
872
873 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
874
875 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
876
877 * testsuite/libmudflap.c/pass44-frag.c: New test.
878
879 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
880
881 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
882
883 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
884
885 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
886
887 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
888
889 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
890
891 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
892
893 PR libmudflap/12670
894 * configure.in: Add check for see if
895 socklen_t typedef is in sys/socket.h.
896 * mf-hooks1.c: Add define if socklen_t
897 is not typedef.
898 * mf-hooks2.c: Likewise.
899 * mf-hooks3.c: Likewise.
900 * config.h.in: Regen.
901 * configure: Regen.
902
903 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
904
905 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
906 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
907 optimizations.
908 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
909 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
910 (unoptimized) allocation of stack space.
911
912 2003-12-07 Richard Henderson <rth@redhat.com>
913
914 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
915 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
916
917 2003-12-06 Andrew Pinski <apinski@apple.com>
918
919 partial PR libmudflap/12670
920 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
921 * mf-hooks2.c: Likewise.
922 * mf-hooks3.c: Likewise.
923
924 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
925
926 libstdc++/11696
927 * mf-runtime.h.in: Switch to #pragma redefine_extname for
928 symbols interposed at compile time.
929 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
930
931 libmudflap/12939
932 * mf-hooks2.c (semctl): Tolerate FreeBSD.
933
934 * configure.in: Reorganize check for <pthread.h>.
935 * configure: Regenerated.
936
937 2003-11-04 David Edelsohn <edelsohn@gnu.org>
938
939 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
940 (_LARGE_FILE_API): Define for AIX.
941 * mf-hooks[123]: Same.
942 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
943
944 2003-10-21 David Edelsohn <edelsohn@gnu.org>
945
946 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
947
948 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
949
950 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
951
952 * configure.in: Update check for union semun.
953
954 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
955
956 PR other/11673
957 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
958
959 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
960
961 PR other/11673
962 * configure.in: Add checks for 64-bit LFS functions, struct semun
963 definition, for BSD compatibility.
964 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
965 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
966 * mf-hooks3.c: Ditto.
967 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
968 mmap flag.
969 * configure, config.h.in: Regenerated.
970
971 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
972
973 Multithreading fixes:
974 * mf-runtime.c (__mf_object): Store allocating/deallocating
975 thread id.
976 (options): Support new "-thread-stack" option.
977 Rename "-heur-argv-environ" option to "-heur-stdlib".
978 Disable "-lc-mask" and "-lc-shift" options.
979 (__mf_dynamic): Add function pointers for pthread_join/_exit.
980 (__assert_fail): New self-contained function for glibc.
981 * mf-hooks3.c: Essentially rewritten, particularly related to
982 use of __mf_pthread_info array.
983 (pthread_join, _exit): New hook functions.
984 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
985 * testsuite/libmudflap.cth/pass40-frag.c: New test.
986
987 Warning cleanups:
988 * mf-heuristics.c: Add type casts for tracing, sub calls.
989 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
990 Update all callers to declare explicit result holder.
991 (END_PROTECT): Removed.
992 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
993
994 2003-07-15 Diego Novillo <dnovillo@redhat.com>
995
996 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
997 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
998 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
999
1000 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
1001
1002 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
1003 * mf-hooks: Removed.
1004 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
1005 Move these macros from old mf-hooks.c here.
1006 * Makefile.am: Adapt to split-up hook sources for faster builds.
1007 * Makefile.in: Regenerated.
1008
1009 * mf-heuristics.c: Remove #if-0 block.
1010
1011 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
1012 (__mf_starting_p): New state only for use while dlsym bootstrapping.
1013 (CALL_REAL, __mf_init): Corresponding changes.
1014 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
1015 all callers to remove redundant "mf:" prefix.
1016 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
1017 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
1018 (__mf_pthread_info): Become a hash table.
1019
1020 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
1021 "dg-repetitions" directives to control test case execution.
1022 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
1023 options.
1024 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
1025
1026 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
1027
1028 * mf-hooks.c (alloca): Separate into stub.
1029 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
1030 malloc/free for alloca blocks.
1031 (pthread_create): Tolerate failing pthread_attr_get* calls.
1032 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
1033 * mf-impl.h (CALL_WRAP): Remove macro.
1034 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
1035 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
1036 padding for ia64 BIT_FIELD_REF constructs.
1037
1038 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
1039
1040 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
1041 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
1042 libmudflap object type.
1043 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
1044 crashes on unregistering STATIC objects.
1045
1046 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
1047
1048 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
1049 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
1050 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
1051 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
1052 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
1053 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
1054 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
1055 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
1056 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
1057 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
1058 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
1059 (accept, bind, connect, gethostname, sethostname): New hooks.
1060 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
1061 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
1062 (semop, semctl, shmctl, shmat, shmdt): New hooks.
1063 * mf-runtime.h.in: Corresponding changes.
1064 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
1065 (opts) Rename heur_argv_environ to heur_std_data.
1066 (__mf_wrap_main): Use STATIC type for argv/environ strings.
1067 * Makefile.am: Corresponding changes.
1068 * Makefile.in: Regenerated.
1069
1070 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
1071
1072 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
1073 heuristic for threaded case, and for non-x86-linux targets.
1074 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
1075 for use during pre-main() program startup.
1076 (__mf_0fn_*): Make these functions non-static.
1077 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
1078 functions.
1079 * mf-runtime.c (__mf_state): Set initial state to "starting".
1080 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
1081 (__wrap_main): New function to register argv[] and environ[] strings.
1082 (__mf_ini): Call it.
1083 (*): In all trace functions, use "%p" as formatter for uintptr_t.
1084
1085 * testsuite/libmudflap.c/pass38-frag.c: New test case.
1086 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
1087
1088 * acinclude.m4: Add comments with aoliva's concerns about x86_64
1089 pass_all.
1090 * aclocal.m4, configure: Regenerated.
1091
1092 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
1093
1094 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
1095 * aclocal.m4, configure: Regenerated.
1096
1097 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
1098
1099 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
1100 for x86_64 target. Disable caching for this value.
1101 * aclocal.m4, configure: Regenerated.
1102
1103 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
1104
1105 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
1106 is about to become deprecated, and its present handling bugs are
1107 unworthy of fixing.
1108
1109 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
1110
1111 * testsuite/libmudflap.c/pass38-frag.c: New test for
1112 -fwritable-strings.
1113
1114 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1115
1116 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
1117 __mf_report, asserting reentrant calling context.
1118
1119 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1120
1121 * mf-hooks.c (realloc): Correct reentrancy logic.
1122 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
1123
1124 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
1125
1126 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
1127 PTHREAD_THREADS_MAX. Update users.
1128 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
1129 for active options.
1130 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
1131 with libmudflapth presence indicator.
1132 * testsuite/Makefile.in: Regenerated.
1133
1134 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
1135
1136 * Makefile.am (AM_CFLAGS): Remove "-ansi".
1137 * configure.in: Remove silly no-pthreads => no-shared logic.
1138 * Makefile.in, configure: Regenerated.
1139 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
1140 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
1141 code. Count reentrancy events.
1142 (all hook functions): Don't directly manipulate __mf_state variable.
1143 Add TRACE calls to hook functions without them.
1144 * mf-impl.h (LOCKTH): Try to count lock contention events.
1145 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
1146 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
1147 Reorganize reentrancy code.
1148 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
1149 identify reentrancy with mutex holding times.
1150 (internal __mfu_ entry points): Remove internal reentrancy code.
1151 (__mf_init): Use ordinary locked calls.
1152 (__mfu_report): Print the two new counts.
1153 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
1154 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
1155 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
1156 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
1157 option defaults.
1158
1159 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
1160
1161 * configure.in: Add pthread support, plus glibc and porting hacks.
1162 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
1163 from objects built into ./pth/.
1164 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
1165 functions for internal entry points. Update callers to pick
1166 locked vs. unlocked variants.
1167 (__mf_resolve_single_dynamic): Extend to support symbol versioning
1168 info coming in from a static data structure.
1169 (*): Reorder miscellaneous declarations to group data vs functions.
1170 (__mf_set_default_options): Simplify.
1171 (__mf_usage): Mention threading status of host executable.
1172 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
1173 decls to match above.
1174 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
1175 * mf-heuristics.c: Choose between locked/unlocked calls. Add
1176 some lock/unlock markers. Remove some unused code.
1177 * mf-hooks: Ditto.
1178 (pthread_create): New hook function.
1179 (__mf_pthread_cleanup, _spawner): New helper functions.
1180 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
1181
1182 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
1183
1184 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
1185
1186 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
1187
1188 * Makefile.am (HOOKOBJS): Add *time related hooks.
1189 * configure.in: Look for pthreads.h header.
1190 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
1191 * mf-runtime.c: Begin sketching some pthreads support.
1192 (__mf_usage): Check for -lpthread presence.
1193 (__mf_unregister): Confirm matching unregistration base.
1194 (__mf_find_objects_rec): Reduce unnecessary recursion.
1195 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
1196 #defines for new hook functions.
1197 * mf-impl.h: Corresponding changes.
1198 * config.h.in, configure, Makefile.in: Regenerated.
1199
1200 2002-04-27 Diego Novillo <dnovillo@redhat.com>
1201
1202 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
1203 modifiers to prevent being optimized away.
1204 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
1205 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1206 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
1207 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1208 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
1209 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
1210 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
1211
1212 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1213
1214 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1215 * configure.in: Look for uintptr_t and -ldl on target.
1216 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1217 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1218 * testsuite/Makefile.in: Regenerated.
1219 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1220 for better C compliance.
1221
1222 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1223
1224 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1225 prevention code.
1226 * mf-runtime.c (__mf_set_default_options): Turn off
1227 check-initialization.
1228 (__mf_describe_object): Shorten description.
1229 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1230
1231 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
1232
1233 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1234
1235 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
1236
1237 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1238 calls specially.
1239 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1240 * mf-impl.h (CALL_BACKUP): New macros.
1241 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1242
1243 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
1244
1245 * Makefile.am (AM_CFLAGS): Remove optimization flags.
1246 (HOOKOBJS): Remove dlopen hook.
1247 (libmudflap_la_LIBADD): Add -ldl.
1248 * mf-hooks.c (dlopen): Remove hook.
1249 * mf-impl.h (__mf_dynamic): Ditto.
1250 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1251 * Makefile.in: Regenerated.
1252
1253 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
1254
1255 * configure.in: Check for target gettimeofday, signal, some headers.
1256 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
1257 out inop multi_threaded field.
1258 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1259 (__mf_set_options): Correct handling of "-help".
1260 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1261 (__mf_check, __mf_register, __mf_unregister): Call it.
1262 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1263 (__mf_report_leaks): Make callable
1264 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
1265 distribution statistics.
1266 (__mf_adapt_cache): Rewrite shift guessing logic based on address
1267 bit distributions.
1268 * config.h.in, configure: Regenerated.
1269 * testsuite/libmudflap.c/fail27-frag.c: New test.
1270 * testsuite/libmudflap.c/pass36-frag.c: New test.
1271
1272 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
1273
1274 * mf-runtime.h.in: Tweak.
1275 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1276 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1277 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1278
1279 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1280
1281 * configure.in: Tweak generation of mf-runtime.h some more. It
1282 needs to work from both config.status and configure.
1283 * configure: Regenerated.
1284
1285 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1286
1287 * Makefile.am: Reorganize hook file building. Add auto dependencies.
1288 * configure.in: Tweak generation of mf-runtime.h.
1289 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1290 * mf-hooks.c (*): Adapt to initialized-heap object type.
1291 * mf-impl.h: Tweak cemetary boundaries.
1292 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1293 type.
1294 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1295 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1296 * testsuite/lib/libmudflap.exp (includes): Include build tree.
1297 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1298 checking.
1299 * testsuite/.../fail{25,26}-frag.c: New tests.
1300 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1301 * Makefile.in, configure: Regenerated.
1302
1303 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1304
1305 * mf-runtime.c (__mf_set_default_options): Turn on initialization
1306 checking by default.
1307 (__mf_insert_new_object): As a temporary hack, assume that new
1308 objects registered on the stack start out initialized.
1309 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1310 heap objects by hand.
1311
1312 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1313
1314 Switch to macro-style hooks for str*/mem*/b* functions.
1315 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1316 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1317 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1318 (__mf_set_default_options): Turn off heur_proc_map.
1319 (*): Adapt to to macro-style hook functions.
1320 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1321 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1322 (__mf_violation): Handle __MF_VIOL_WATCH.
1323 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1324 (__mf_dynamic): Removed mem*/str*/b* functions.
1325 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1326 (WRAPPER2): New macro for macro-style hooks.
1327 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1328 macro-style hooks.
1329 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1330 * mf-heuristics.c: Adapt to macro-style hook functions.
1331 Correct some comments.
1332 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1333 output pattern tests.
1334 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1335 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1336
1337 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1338
1339 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1340 for global array registration.
1341 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1342 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1343
1344 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1345
1346 * Makefile.am: Add gross make bug workarounds. Tweaked
1347 SUBDIRS and AM_CFLAGS.
1348 * Makefile.in: Regenerated.
1349
1350 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1351
1352 Switch to dejagnu.
1353 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1354 * Makefile.am (TESTS): Remove simple automake testing.
1355 * configure, Makefile.in: Regenerated.
1356 (SUBDIRS): Include new testsuite/ directory.
1357 * tests/*: Removed all files; moved bulk under:
1358 * testsuite/*: New subdirectory tree.
1359 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1360 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1361 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1362 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1363 * testsuite/config/default.exp: New file.
1364 * testsuite/Makefile.am, Makefile.in: New files.
1365
1366 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1367
1368 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1369 (TESTS): Add fail22 and pass29 tests.
1370 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1371 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1372 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1373 values. Move __MF_VIOL* here.
1374 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1375 (check_initialization): New field in __mf_opts. Default off.
1376 (read_count,write_count): New fields in __mf_object.
1377 (__mf_check): Implement basic initialization checking.
1378 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1379 (__mf_describe_object): Print new fields.
1380 (__mf_violation): Identify check/read vs. check/write in messages.
1381 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1382 "-check-initialized" mudflap option.
1383 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1384 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1385 Drop __FILE__/__LINE__ hack. Update callers.
1386 (*): Adapt to new mf-runtime.h API.
1387 * Makefile.in: regenerated.
1388
1389 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1390
1391 * configure.in: Build mf-runtime.h a more proper way.
1392 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1393 * mf-runtime.c (verbose_violations): Turn on by default.
1394 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1395 * mf-impl.h: ... and move it here.
1396 * configure: Regenerated.
1397
1398 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1399
1400 * configure.in: Look for C++ compiler.
1401 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1402 fixed type warnings when built with C++.
1403 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1404 * Makefile.am (TESTS): Run them.
1405 (*) Add new rules for building and running C++ tests.
1406 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1407 * mf-runtime.h.in: Protect with extern "C".
1408 * Makefile, configure: Regenerated.
1409
1410 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1411
1412 Portability improvements.
1413 * configure.in: Look for glibc backtrace headers/functions.
1414 * mf-hooks.c: Don't include <execinfo.h> any more.
1415 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1416 via CALL_REAL.
1417 (__mf_backtrace): Provide alternate baby implementation in
1418 absence of glibc.
1419 * test/mf-driver.c: Portability tweaks.
1420 * acinclude.m4: New file, containing top level libtool.m4.
1421 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1422
1423 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1424
1425 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1426
1427 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1428
1429 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1430 options.
1431 (__mf_unregister): Implement stack/heap object wiping.
1432 (__mf_set_options): Renamed from __mf_process_opts.
1433 (__mf_uncache_object): Change arg type, correct callers.
1434 * mf-impl.h: Corresponding changes.
1435 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1436 * mf-runtime.h.in (__mf_set_options): Extend public API.
1437 * test/pass26-frag.c: New test for stack wiping.
1438 * Makefile.am (TESTS): Run it.
1439 * Makefile.in: Regenerated.
1440
1441 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1442
1443 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1444 * mf-runtime.c (__mf_object_t): Add watching_p field.
1445 (__mf_watch_or_not): New function to implement
1446 object watch flagging.
1447 (__mf_watch, __mf_unwatch): New wrappers for above.
1448 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1449 (__mf_count_violation): Enlarge array.
1450 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1451 unlink object. Clear cache properly.
1452 (__mf_unregister): Unlink object explicitly before uncaching.
1453 * test/fail21-frag.c, pass25-frag.c: New tests.
1454 * Makefile.in, aclocal.m4: Regenerated.
1455
1456 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1457
1458 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1459 * Makefile.am (TESTS): Add it.
1460 * test/pass-stratcliff.c: Add decls of stpcpy.
1461 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1462 build tree from config.h and new file mf-runtime.h.in.
1463 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1464 * Makefile.in, configure, config.h.in: Regenerated.
1465 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1466 * mf-runtime.c (options, __mf_set_default_options): Support new
1467 default "abbreviate" option.
1468 (__mf_object.description_epoch): New field.
1469 (__mf_describe_object): Conditionally abbreviate objects already
1470 displayed in current epoch. Accept NULL input to increment epoch.
1471 (__mf_fini, __mf_ini): Reset description epoch.
1472 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1473 that NULL pointer slot in lookup cache is invalidated. Register a
1474 NOACCESS region around NULL.
1475 * mf-impl.h: Corresponding changes.
1476
1477 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1478
1479 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1480 * Makefile.am: Run them. Install mf-runtime.h.
1481 * Makefile.in: Regenerated.
1482 * mf-hooks.c: Add some markers for more missing functions.
1483 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1484 statistic to tune tune cache size (mask).
1485
1486 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1487
1488 * test/pass23-frag.c: New test for bit_field_ref expressions.
1489 * Makefile.am, Makefile.in: Add new test.
1490 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1491 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1492 * mf-runtime.c (__mf_init): Register errno global.
1493 (__mf_find_object): Removed function.
1494 (__mf_check): Rewrite logic to support accesses across some
1495 contiguous but distinctly registered objects.
1496 (__mf_remove_old_object): Tolerate cache entries that span
1497 contiguous objects.
1498
1499 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1500
1501 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1502 * Makefile.am, Makefile.in: Run new tests.
1503 * mf-hooks.c (alloca): Correct stack direction logic.
1504
1505 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1506
1507 * mf-impl.h (adapt_cache): New option.
1508 * mf-runtime.c (__mf_set_default_options): Set its default value.
1509 Tweak the tree_aging parameter down.
1510 (__mf_check): Maintain separate counter for cache-adaptation.
1511 (__mf_tree_analyze): New function to collect object tree stats.
1512 (__mf_adapt_cache): New function to automate cache parameters.
1513
1514 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1515
1516 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1517 hypothetical #if-0'd argv/envp region registration.
1518 * mf-runtime.c (__mf_init): Add kludged form of above.
1519 (*) Add "heur_argv_environ" flag, default on, to govern this.
1520 * mf-impl.h: Corresponding changes.
1521
1522 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1523
1524 * test/fail18-frag.c: New test file for NOACCESS regions.
1525 * Makefile.am (TESTS): Add new test.
1526 * Makefile.in: Regenerated.
1527
1528 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1529 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1530 (optimize_object_tree): Remove unused mudflap_option.
1531 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1532 support throughout. Use .._MAX_CEM for cemetary upper bound.
1533 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1534 regions.
1535 (__mf_object): Add new liveness field for use by tree aging.
1536 (__mf_check): Trigger tree aging when needed.
1537 (__mf_age_tree): New function to decay liveness field.
1538 (__mf_find_objects_rec): Use liveness field to rotate tree.
1539 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1540 (__mf_unregister): Ditto.
1541 (__mf_register): Tweak duplicate-static message.
1542 (__mf_violation: Tweak nearby-object counter printing.
1543
1544 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1545
1546 * test/pass20-frag.c: New test file.
1547 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1548 * Makefile.in: Regenerated.
1549
1550 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1551 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1552 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1553 entries to avoid repeat registration.
1554 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1555 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1556
1557 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1558
1559 * Makefile.am: Create test sources with #include, not cat>>.
1560 * Makefile.in: Regenerated.
1561 * test/buildtest.sh: Removed.
1562 * test/driver.c (abort_handler, main): Be quiet.
1563
1564 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1565
1566 * test/pass18-frag.c, pass19-frag.c: New tests.
1567 * Makefile.am (check): Run them. Rebuild test programs each time.
1568 * Makefile.in: Regenerated.
1569
1570 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1571
1572 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1573 overlapping object search.
1574 (__mf_violation): Likewise for nearby objects.
1575 Improve nearby-object listing.
1576
1577 cleanup:
1578 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1579 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1580
1581 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1582
1583 alloca support:
1584 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1585 (HOOKOBJS): Add alloca-hook.o.
1586 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1587 style.
1588 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1589 (__mf_backtrace): Reimplement without using alloca.
1590 * Makefile.in: Regenerated.
1591
1592 cleanup:
1593 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1594 Correct signedness bugs in length-tracking variables.
1595 * mf-impl.h: Make options unsigned.
1596 (CALL_WRAP): New macro to parallel CALL_REAL().
1597 (DECLARE): Remove erroneous ";" at end.
1598 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1599 formatting specs with %08lx. Correct several compiler warnings.
1600
1601 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1602
1603 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1604
1605 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1606
1607 libmudflap hook breakup:
1608 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1609 for libgcc_s.
1610 (TESTS): Make dependent on libmudflap.
1611 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1612 compiled from segments of mf-hooks.c.
1613 * mf-hooks.c: Corresponding changes: wrap each function in
1614 #ifdef/#endif.
1615 * Makefile.in: Regenerated.
1616
1617 Heuristics reorganization:
1618 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1619 Remove these functions. Update callers.
1620 (__mf_heuristic_check): Incorporate all the various heuristics.
1621 Encode cacheability/retry judgement into trinary return value.
1622 Separate start-end logic into a separate fallback heuristic. Only
1623 register relevant /proc/self/map segments.
1624 * mf-impl.h: Corresponding changes.
1625 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1626 (__mf_init): Don't call __mf_init_heuristics.
1627
1628 Tracing cleanup:
1629 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1630 "-verbose-trace" to emit all tracing messages other than those of
1631 basic public api. Eliminate some duplicate/excessive messages.
1632 * mf-runtime.h: Corresponding changes.
1633
1634 2002-08-27 Graydon Hoare <graydon@redhat.com>
1635
1636 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1637 and __real when compiled with -DPIC.
1638 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1639 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1640 * Makefile.in: Regenerate.
1641
1642 2002-08-26 Graydon Hoare <graydon@redhat.com>
1643
1644 * mf-impl.h: New file, private implementation header.
1645 * mf-runtime.h: Reorganize a bit.
1646 (CLAMPSZ): Fix arithmetic.
1647 (__MF_CACHE_MISS_P): Fix arithmetic.
1648 * mf-runtime.c: Reorganize a bit.
1649 (__mf_dynamic): New structure.
1650 (resolve_single_dynamic): New function.
1651 (__mf_resolve_dynamics): New function.
1652 (__mf_init): Initialize dynamic wrappers.
1653 * mf-hooks.c: Macro-ize __real calls.
1654 Clamp various bits of arithmetic.
1655 Add explicit __mf_check call contexts.
1656 * Makefile.am: Add dependencies on mf-impl.h
1657 * Makefile.in: Regenerate.
1658 * configure.in: Comment out shared override.
1659 * configure: Regenerate.
1660
1661 2002-08-22 Graydon Hoare <graydon@redhat.com>
1662
1663 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1664 (__mf_check): Re-inialize and check heuristics before violation.
1665 (__mf_register): Permit updating pure-guess regions.
1666 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1667 (__wrap_dlopen): New wrapper function.
1668 (__wrap_mmap): New wrapper function.
1669 (__wrap_munmap): New wrapper function.
1670 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1671 which are not stack addresses.
1672 (is_stack_address): New function.
1673 (__mf_init_heuristics): Save and restore state, always initialize with
1674 "starting" state.
1675
1676 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1677
1678 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1679 error. Pass location string.
1680 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1681 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1682 (__mf_process_opts): Apply some sanity checking for lc-mask.
1683 (__mf_check, __mf_violation): Take new location-string argument.
1684 Update callers to pass NULL if necessary.
1685 (__mf_backtrace): New smart backtracer function. Calls replace
1686 several ad-hoc blocks elsewhere.
1687 (__mf_describe_object): Remove bad reentrancy test. Improve
1688 tracing message.
1689 * mf-runtime.h: Corresponding changes. Public/private markup.
1690 (__MF_CACHE_MISS_P): New macro.
1691
1692 2002-08-20 Graydon Hoare <graydon@redhat.com>
1693
1694 * mf-runtime.h: New option: stack_bound (heuristic).
1695 Move some macros out of implementation files.
1696 * mf-runtime.c: New option string: -stack-bound.
1697 Unify recursion protection with hooks.
1698 Add more logging.
1699 (__mf_check): Call __mf_heuristic_check.
1700 (__mf_process_opts): Fix "no-" processing.
1701 * mf-heuristics.c (__mf_heuristic_check): New function.
1702 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1703
1704 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1705
1706 Option parsing improvements, region splitting bug fixes:
1707 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1708 * mf-runtime.h (heur_proc_map): New libmudflap option.
1709 * mf-runtime.c (__mf_set_default_options): Set it.
1710 (__mf_usage): Print default values/status.
1711 (__mf_process_opts): Support general "no-" option string prefix.
1712 (__mf_init): Print __mf_usage on unknown-option error.
1713 (__mf_register): Print trace message up front.
1714 Correct region splitting logic for case where a subregion disappears.
1715 Correct memory leak.
1716 (__mf_violation): Make even basic message conditional on option.
1717
1718 Build cleanup:
1719 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1720 (clean-local): New target.
1721 (test/*x rules): Add -g CFLAGS.
1722 (CFLAGS): Add -freorder-blocks.
1723 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1724 * Makefile.in: Regenerated.
1725 * Makefile, mf-config.h: Removed files.
1726
1727 2002-08-16 Graydon Hoare <graydon@redhat.com>
1728
1729 * mf-runtime.c (__mf_insert_new_object): Factor out of
1730 __mf_register.
1731 (__mf_remove_old_object): Factor out of __mf_unregister.
1732 (__mf_register): Handle guessed regions, splitting
1733 guesses when new registrations arrive.
1734 (__mf_unregister): Do not unregister guesses.
1735 * mf-runtime.h: Move convenience macros around,
1736 declare new option fields. Add __MF_TYPE_GUESS.
1737 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1738 (__wrap_free): Call __real_free for deferred frees.
1739 * Makefile.am: Add more tests, fix dependency.
1740 * Makefile.in: Regenerate.
1741 * test/pass[13..17]-frag.c: New testcases.
1742 * test/fail[13..17]-frag.c: New testcases.
1743
1744 2002-08-15 Graydon Hoare <graydon@redhat.com>
1745
1746 * mf-heuristics.c: New file.
1747 * mf-runtime.c (options): Add -trace-calls option.
1748 (__mf_init): Call __mf_init_heuristics.
1749
1750 2002-08-14 Graydon Hoare <graydon@redhat.com>
1751
1752 * Makefile.am (TESTS): Add testsuite support.
1753 * Makefile.in: Regenerate.
1754 * test/mf-driver.c: New file.
1755 * test/buildtest.sh: New file.
1756 * test/passNN-frag.c: New testcases.
1757 * test/failNN-frag.c: New testcases.
1758
1759 2002-08-14 Graydon Hoare <graydon@redhat.com>
1760
1761 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1762 verifying non-size-limited string extents.
1763
1764 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1765
1766 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1767 instead of plain str[n]len for internal checks.
1768 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1769
1770 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1771
1772 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1773
1774 2002-08-13 Graydon Hoare <graydon@redhat.com>
1775
1776 * mf-runtime.c: Rework configuration to operate on
1777 environment variable options rather than #defines
1778 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1779 (__mf_init): Set static __mf_active_p flag on startup,
1780 to inhibit mudflap wrap-based checking during crt0.s.
1781 * mf-runtime.h: Declare options structure.
1782 * mf-hooks.c: New wrappings for mem*, b*, str*
1783 libc functions (temporarily #if 0-ed out).
1784
1785 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1786
1787 * Makefile.am, configure.in: New files.
1788 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1789 * stamp-h.in, aclocal.m4: Ditto.
1790
1791 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1792
1793 * Makefile: New file.
1794 * mf-config.h: New file: runtime configuration.
1795 * mf-hooks.c: New file: interposed libc functions.
1796 * mf-runtime.c: New file: bulk of runtime.
1797 * mf-runtime.h: New file: public functions.