1 2010-03-15 David S. Miller <davem@davemloft.net>
3 * testsuite/libmudflap.c/pass54-frag.c: Add explicit return from
6 2010-01-09 Jakub Jelinek <jakub@redhat.com>
8 * mf-runtime.c (__mf_usage): Update copyright notice dates.
10 2009-12-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
12 * Makefile.in: Regenerate.
13 * configure: Regenerate.
14 * testsuite/Makefile.in: Regenerate.
16 2009-09-22 Frank Ch. Eigler <fche@redhat.com>
19 * mf-runtime.c (__mf_init): Ignore $MUDFLAP_OPTIONS if
20 running setuid or setgid.
22 2009-09-01 Loren J. Rittle <ljrittle@acm.org>
24 * mf-runtime.c (__mf_init): Support FreeBSD.
25 Prime mutex which calls calloc upon first lock to avoid deadlock.
26 * mf-hooks1.c (__mf_0fn_mmap): Support FreeBSD.
27 Ignore red zone allocation request for initial thread's stack.
29 2009-09-01 Loren J. Rittle <ljrittle@acm.org>
30 Andreas Schwab <schwab@linux-m68k.org>
32 * testsuite/libmudflap.c/pass51-frag.c (MAP_FAILED): Define,
33 if not in system header; use it. On FreeBSD, must pass fd==-1
34 with MAP_ANON flag. Correct mmap error check.
35 * testsuite/libmudflap.c/fail40-frag.c: Ditto.
37 2009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
39 * configure.ac (AC_PREREQ): Bump to 2.64.
41 2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
43 * Makefile.am (install-html, install-pdf): Remove.
44 * Makefile.in: Regenerate.
46 * Makefile.in: Regenerate.
47 * aclocal.m4: Regenerate.
48 * config.h.in: Regenerate.
49 * configure: Regenerate.
50 * testsuite/Makefile.in: Regenerate.
52 2009-07-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
54 * configure.ac (_AC_ARG_VAR_PRECIOUS): Use m4_rename_force.
56 2009-07-16 Joseph Myers <joseph@codesourcery.com>
58 * configure: Regenerate.
60 2009-07-11 Richard Sandiford <rdsandiford@googlemail.com>
65 * testsuite/lib/libmudflap.exp: Revert 2009-06-30 commit.
67 2009-07-01 Richard Guenther <rguenther@suse.de>
69 PR tree-optimization/19831
70 * testsuite/libmudflap.c/fail11-frag.c: Make allocated memory
72 * testsuite/libmudflap.c/fail12-frag.c: Likewise.
73 * testsuite/libmudflap.c/fail16-frag.c: Likewise.
74 * testsuite/libmudflap.c/fail31-frag.c: Likewise.
76 2009-06-30 Richard Sandiford <r.sandiford@uk.ibm.com>
78 * testsuite/lib/libmudflap.exp (libmudflap-init): Don't add "."
79 to ld_library_path. Use add_path. Add just find_libgcc_s to
80 ld_library_path, not every libgcc multilib directory.
82 2009-04-09 Nick Clifton <nickc@redhat.com>
84 * mf-hooks1.c: Change copyright header to refer to version 3
85 of the GNU General Public License with version 3.1 of the GCC
86 Runtime Library Exception and to point readers at the COPYING3
87 and COPYING3.RUNTIME files and the FSF's license web page.
88 * mf-heuristics.c: Likewise.
89 * mf-hooks2.c: Likewise.
90 * mf-hooks3.c: Likewise.
91 * mf-impl.h: Likewise.
92 * mf-runtime.c: Likewise.
93 * mf-runtime.h: Likewise.
95 2009-04-09 Jakub Jelinek <jakub@redhat.com>
97 * testsuite/lib/mfdg.exp: Change copyright header to refer to
98 version 3 of the GNU General Public License and to point readers
99 at the COPYING3 file and the FSF's license web page.
100 * testsuite/lib/libmudflap.exp: Likewise.
102 2009-03-31 Ben Elliston <bje@au.ibm.com>
105 * testsuite/libmudflap.c/fail27-frag.c: Match `mudflap dead
106 object', not `mudflap object'.
108 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
110 * configure: Regenerate.
112 2009-02-03 Jakub Jelinek <jakub@redhat.com>
114 * mf-runtime.c (__mf_usage): Update copyright notice dates.
116 2009-01-23 Jie Zhang <jie.zhang@analog.com>
118 * mf-impl.h (__mf_get_state, __mf_set_state): Don't use
119 __thread when TLS support is emulated.
120 * mf-hooks3.c (__mf_get_state, __mf_set_state): Likewise.
121 * mf-runtime.c (__mf_state_1): Likewise.
122 * configure.ac: Use GCC_CHECK_EMUTLS.
123 * configure: Regenerate.
124 * config.h.in: Regenerate.
126 2008-12-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
128 * configure: Regenerate.
130 2008-11-26 Janis Johnson <janis187@us.ibm.com>
133 * testsuite/lib/mfdg.exp (dg-test): Use new timeout support.
134 (dg-timeout): Remove.
135 (standard-wait): Remove.
136 * testsuite/lib/libmudflap.exp: Include new timeout library files.
137 (libmudflap_target_compile): Set timeout value from new proc.
139 2008-11-10 Jakub Jelinek <jakub@redhat.com>
142 * testsuite/libmudflap.c/pass67-frag.c: New test.
144 2008-10-09 Jakub Jelinek <jakub@redhat.com>
147 * testsuite/libmudflap.c++/pass66-frag.cxx: New test.
149 2008-09-26 Peter O'Gorman <pogma@thewrittenword.com>
150 Steve Ellcey <sje@cup.hp.com>
152 * configure: Regenerate for new libtool.
153 * Makefile.in: Ditto.
154 * testsuite/Makefile.in: Ditto.
156 2008-09-15 Jakub Jelinek <jakub@redhat.com>
159 * testsuite/libmudflap.c/pass64-frag.c: New test.
161 2008-06-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
163 * Makefile.in: Regenerate.
164 * config.h.in: Regenerate.
165 * configure: Regenerate.
166 * testsuite/Makefile.in: Regenerate.
168 2008-04-18 Paolo Bonzini <bonzini@gnu.org>
171 * aclocal.m4: Regenerate.
172 * configure: Regenerate.
174 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
176 * testsuite/libmudflap.c/pass63-frag.c: New test.
178 2008-03-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
180 * aclocal.m4: Regenerate.
181 * configure: Likewise.
182 * Makefile.in: Likewise.
183 * testsuite/Makefile.in: Likewise.
185 2008-03-02 Jakub Jelinek <jakub@redhat.com>
187 * mf-runtime.c (__mf_usage): Update copyright notice dates.
189 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
191 * testsuite/libmudflap.c/fail8-frag.c: Adjust scan pattern for
193 * testsuite/libmudflap.c/fail9-frag.c: Ditto.
195 2008-01-24 David Edelsohn <edelsohn@gnu.org>
197 * configure: Regenerate.
199 2008-01-05 Jakub Jelinek <jakub@redhat.com>
201 PR tree-optimization/34618
202 * testsuite/libmudflap.c/pass62-frag.c: New test.
204 2008-01-03 Jakub Jelinek <jakub@redhat.com>
207 * testsuite/libmudflap.c++/pass61-frag.cxx: New test.
209 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
212 * testsuite/libmudflap.c++/pass60-frag.cxx: New test.
214 2007-10-15 Maciej W. Rozycki <macro@linux-mips.org>
216 * configure: Regenerate following changes to ../config/tls.m4.
218 2007-07-26 Tom Tromey <tromey@redhat.com>
220 * Makefile.in: Rebuilt.
221 * Makefile.am (clean-local): Removed.
222 (pth/mf-runtime.lo, pth/mf-heuristics.lo, pth/mf-hooks1.lo,
223 pth/mf-hooks2.lo, pth/mf-hooks3.lo): Likewise.
224 (libmudflapth_la_SOURCES): List sources.
225 (libmudflapth_la_LIBADD): Clear.
226 (libmudflapth_la_CFLAGS): New variable.
228 2007-07-05 H.J. Lu <hongjiu.lu@intel.com>
230 * aclocal.m4: Regenerated.
232 2007-06-02 Paolo Bonzini <bonzini@gnu.org>
234 * configure: Regenerate.
236 2007-05-31 Frank Ch. Eigler <fche@redhat.com>
238 From Andi Kleen <ak@suse.de>:
239 * mf-runtime.c (options): Rename structure for compatibility with
242 2007-05-23 Steve Ellcey <sje@cup.hp.com>
244 * Makefile.in: Regenerate.
245 * configure: Regenerate.
246 * aclocal.m4: Regenerate.
247 * testsuite/Makefile.in: Regenerate.
249 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
251 * testsuite/libmudflap.cth/pass59-frag.c (main): Fix casting of arg.
253 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
255 * Makefile.am: Add dummy install-pdf target.
256 * Makefile.in: Regenerate
258 2007-02-07 Jakub Jelinek <jakub@redhat.com>
261 * configure: Regenerate.
263 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
265 * configure: Regenerate.
267 2006-11-13 Daniel Jacobowitz <dan@codesourcery.com>
269 * configure: Regenerated.
271 2006-11-10 Frank Ch. Eigler <fche@redhat.com>
274 * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
275 static but not function scope static.
276 (free): Skip deallocation attempts for objects placed into
278 * testsuite/libmudflap.cth/pass59-frag.c: New test.
280 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
282 From Herman ten Brugge <hermantenbrugge@home.nl>:
283 * mf-runtime.c (__mf_uncache_object): Optimize the code so that
284 small and large objects are handled a lot faster.
286 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
288 * configure.ac (__libc_freeres): Look for it.
289 * mf-impl.h (call_libc_freeres): New configuration flag.
290 * mf-runtime.c (__mf_set_default_options): Set it by default.
291 (__mfu_report): Call it if needed.
292 (__mfu_unregister): Remove "unaccessed registered object" warning.
293 * configure, config.h.in: Regenerated.
295 2006-09-18 Tom Tromey <tromey@redhat.com>
297 * configure: Rebuilt.
299 2006-06-21 Frank Ch. Eigler <fche@redhat.com>
302 mf-runtime.h installation based on ssp patch for PR 26473 from
303 Mark Mitchell <mark@codesourcery.com>.
304 * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
305 * Makefile.am (target_noncanonical): Define.
306 (libsubincludedir): New variable.
307 (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
308 (include_HEADERS): Remove.
309 * configure, aclocal.m4, config.h.in: Regenerated.
310 * Makefile.in, testsuite/Makefile.in: Likewise.
311 * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
312 and _THREAD_SAFE redefinition values.
314 2006-05-23 Carlos O'Donell <carlos@codesourcery.com>
316 * Makefile.am: Add install-html target. Add install-html to .PHONY
317 * Makefile.in: Regenerate.
319 2006-04-19 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
322 * testsuite/libmudflap.c++/error1-frag.cxx: New test.
325 * testsuite/libmudflap.c++/error2-frag.cxx: New test.
327 2006-04-10 Matthias Klose <doko@debian.org>
329 * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
330 directory names containing underscores.
332 2005-11-22 Janis Johnson <janis187@us.ibm.com>
334 * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
335 MUDFLAP_FLAGS if static library not supported.
336 * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
337 * testsuite/libmudflap.c/externs.exp: Ditto.
338 * testsuite/libmudflap.c++/ctors.exp: Ditto.
339 * testsuite/libmudflap.c++/c++frags.exp: Ditto.
340 * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
342 2005-10-04 James E Wilson <wilson@specifix.com>
344 * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
345 $name as array of characters with unknown bound. Also store into the
347 * configure: Regenerate.
349 2005-09-30 James E. Wilson <wilson@specifix.com>
351 * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
353 (target_thread_file): New. Set from sed'ed gcc output.
354 (posix_threads): New. Set from target_thread_file. Use instead of
356 (pthread_create_version): Move initialization before code using it.
357 * configure: Regenerate.
359 * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
362 2005-09-29 James E. Wilson <wilson@specifix.com>
364 * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
365 with HAVE_MMAP ifdef.
367 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
370 * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
372 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
374 * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
376 2005-09-23 Tom Tromey <tromey@redhat.com>
378 * aclocal.m4, configure: Rebuilt.
379 * configure.ac: Use GCC_CHECK_TLS.
380 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
383 2005-08-22 Jim Wilson <wilson@specifix.com>
385 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
386 __FreeBSD__ is defined.
388 2005-08-17 Jim Wilson <wilson@specifix.com>
390 * mf-hooks1.c (malloc, calloc, realloc, free,
391 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
392 the real routines, and END_MALLOC_PROTECT afterwards.
393 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
394 (BEGIN_PROTECT): Handle in_malloc state.
395 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
396 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
398 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
400 * All files: Update FSF address.
402 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
404 * mf-hooks3.c (main_seen_p): Remove.
405 (__mf_get_state): Remove attempt to recognize the main thread.
407 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
409 * configure.ac: Test for the name of the symbol used for the entry
410 point; define ENTRY_POINT to the result.
411 * configure: Regenerate.
412 * config.h.in: Regenerate.
413 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
415 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
417 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
418 (__mf_init): Set thread state active.
419 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
421 (pthread_create wrapper): Always use thread spawner.
423 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
424 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
426 2005-07-16 Richard Henderson <rth@redhat.com>
428 * acinclude.m4: New file.
429 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
430 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
431 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
432 (__mf_0fn_calloc): ... here.
433 * mf-hooks3.c (struct pthread_info): Remove.
434 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
435 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
436 (struct mf_thread_data): New.
437 (mf_thread_data, mf_thread_data_lock): New.
438 (__mf_allocate_blank_threadinfo): Remove.
439 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
441 (__mf_state_perthread): Remove.
442 (__mf_get_state, __mf_set_state): New.
443 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
444 Update mf_thread_data killing procedure.
445 (__mf_pthread_spawner): Similarly.
446 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
447 code to allocate thread stack space.
448 (__mf_0fn_pthread_join, pthread_join): Remove.
449 (__mf_0fn_pthread_exit, pthread_exit): Remove.
450 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
451 (__mf_state_1): Rename from __mf_state; use TLS when available.
452 (__mf_get_state, __mf_set_state): New. Update all users.
453 * mf-runtime.c (begin_recursion_protect1): New.
454 (BEGIN_RECURSION_PROTECT): Use it.
455 (__mf_state_1): Rename from __mf_state; use TLS when available.
456 (threads_active_p): Remove.
457 (__mf_usage): Compute it directly.
459 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
461 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
463 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
465 Fix for uncaching bug reported by Herman ten Brugge.
466 * mf-runtime.c (__mf_uncache_object): Search whole cache.
467 * testsuite/libmudflap.c/fail40-frag.c: New test.
469 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
472 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
473 * Makefile.in: Amend.
475 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
478 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
479 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
481 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
484 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
486 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
489 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
490 unsigned vars with #defines instead of enums.
492 2005-05-09 Mike Stump <mrs@apple.com>
494 * configure: Regenerate.
496 2005-04-12 Mike Stump <mrs@apple.com>
498 * configure: Regenerate.
500 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
503 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
504 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
506 2005-04-04 Alan Modra <amodra@bigpond.net.au>
508 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
510 2005-03-31 Mike Stump <mrs@apple.com>
512 * mf-runtime.h: Add libmudflap copyright clause.
514 2005-03-21 Mike Stump <mrs@apple.com>
516 * mf-heuristics.c: Fix whitespace at end of line.
517 * mf-hooks1.c: Likewise.
518 * mf-hooks2.c: Likewise.
519 * mf-hooks3.c: Likewise.
520 * mf-impl.h: Likewise.
521 * mf-runtime.c: Likewise.
522 * mf-runtime.h: Likewise.
524 2005-03-21 Zack Weinberg <zack@codesourcery.com>
526 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
527 In all substitutions, expand gcc_version in Makefile.
528 * aclocal.m4, configure: Regenerate.
529 * Makefile.am: Set gcc_version.
530 * Makefile.in, testsuite/Makefile.in: Regenerate.
532 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
534 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
535 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
537 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
540 * testsuite/libmudflap.c++/pass55-frag.c: New test.
542 2005-01-05 Richard Henderson <rth@redhat.com>
544 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
546 2005-01-02 Greg McGary <greg@mcgary.org>
548 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
549 * mf-runtime.h: New file, replaces mf-runtime.h.in.
550 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
551 * Makefile.in: Ditto.
552 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
553 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
554 * testsuite/libmudflap.c/fail36-frag.c: New test.
555 * testsuite/libmudflap.c/fail37-frag.c: New test.
556 * testsuite/libmudflap.c/fail38-frag.c: New test.
558 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
560 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
561 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
563 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
565 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
566 * aclocal.m4: Include ../config/gcc-version.m4.
567 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
569 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
571 * Makefile.am: Define ACLOCAL_AMFLAGS.
572 * acinclude.m4: Remove.
573 * stamp-h.in: Remove superfluous stamp file.
574 * aclocal.m4, configure, Makefile.in: Regenerate.
575 * testsuite/Makefile.in: Likewise.
577 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
579 * Makefile.am: Revert previous.
580 * acinclude.m4: Restore.
581 * aclocal.m4, configure, Makefile.in: Regenerate.
582 * testsuite/Makefile.in: Likewise.
584 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
586 * Makefile.am: Define ACLOCAL_AMFLAGS.
587 * acinclude.m4: Remove.
588 * aclocal.m4, configure, Makefile.in: Regenerate.
589 * testsuite/Makefile.in: Likewise.
591 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
593 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
595 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
597 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
598 * testsuite/Makefile.in: Likewise.
600 2004-11-01 Andreas Schwab <schwab@suse.de>
602 * configure.ac: (target_alias): Default to $host_alias, not
604 * configure: Regenerated.
606 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
608 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
609 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
612 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
615 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
617 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
619 * configure.ac: Check for more headers, functions.
620 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
621 tracking overridden FILE buffers.
622 (fopen, setvbuf): New/revised hook functions for buffer overriding.
623 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
624 (fflush): Accept given NULL stream (means "all streams").
626 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
628 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
629 (__mf_adapt_cache): Use them all.
630 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
631 * testsuite/libmudflap.c++/ctors.exp: Ditto.
632 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
633 * configure, config.h.in: Regenerated.
635 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
637 * configure.ac: Checking for sys/socket.h once is enough.
638 * configure: Regenerated.
640 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
642 * configure.ac: Look for more headers & functions.
643 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
644 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
645 * mf-runtime.c (options): Clean up integer signedness warnings.
646 (main): Add a declaration to fix a warning.
647 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
648 * configure, config.h.in: Regenerated.
650 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
652 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
653 New tests for proper base/limit checking for aggregates.
655 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
657 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
659 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
661 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
662 * mf-hooks2.c (strerror): Unregister previous string returned by
664 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
665 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
666 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
667 * mf-runtime.c (__mf_describe_object): Clarify object life status.
668 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
670 * configure, config.h.in: Regenerated.
672 2004-08-03 Dale Johannesen <dalej@apple.com>
674 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
676 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
678 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
679 simplified contents in all former callers.
681 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
683 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
684 the statically linked case.
686 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
688 * splay-tree.[ch]: Remove. Merge contents into ...
689 * mf-runtime.c: ... here, renaming symbols and making all functions
690 static. Remove unused min/max functions.
691 * Makefile.am: Forget about splay-tree.[ch].
692 * Makefile.in, testsuite/Makefile.in: Regenerated.
694 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
696 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
697 (__mfu_usage): Include (C) 2004.
698 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
699 here. Include a comment explaining why.
701 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
703 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
704 * mf-runtime.c (options): Give them a name.
705 (__mf_set_default_options): Set them.
706 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
707 (__mf_violation): Warning cleanup.
708 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
709 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
711 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
714 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
717 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
719 Test case for g++/15861
720 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
721 * testsuite/libmudflap.c++/ctors.exp: Driver.
722 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
723 Look only for *frag* test cases.
725 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
727 ANSI C conversion, libmudflap specialization, recursion limiting.
728 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
729 argument and indirection function pointers, update callers.
730 (splay_tree_s): Add statistics and recursion control fields
731 num_keys, max_depth, depth, rebalance_p.
732 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
733 Back out of search if it exceeds limit.
734 (splay_tree_splay): Manage recursion limiting with rebalancing as
736 (splay_tree_new): More initialization.
737 (splay_tree_rebalance): New function.
738 (splay_tree_foreach): Rewrite using nonrecursive logic.
739 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
740 Remove. Point indirect calls to mf-runtime.c's routines.
741 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
743 (splay_tree_delete, splay_tree_delete_helper): Ditto.
744 * testsuite/heap-scalestress.c: New test based on one from
745 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
747 2004-07-05 Matthias Klose <doko@debian.org>
749 * libtool-version: New.
750 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
751 Use -version-info for soname.
752 * Makefile.in: Regenerate.
753 * configure.ac: Remove libtool_VERSION macro
754 * configure: Regenerate
756 2004-07-05 Zack Weinberg <zack@codesourcery.com>
758 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
759 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
762 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
764 Splay tree implementation fork.
765 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
766 Use hard-coded comparison function for uintptr_t. Remove key/value
767 deallocation logic. Cache last splayed key for consecutive lookups.
768 * Makefile.am, Makefile.in: Use them, don't link to them.
769 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
770 (__mf_find_objects2): Flip successor/predecessor search sequence.
771 * ansidecl.h, libiberty.h: Removed dummy files.
773 2004-06-29 Nick Clifton <nickc@redhat.com>
775 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
776 * configure: Regenerate.
777 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
779 Remove spurious inclusion of <strings.h>.
781 2004-06-29 Nick Clifton <nickc@redhat.com>
783 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
784 function actually exists.
786 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
788 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
789 * config.h.in: Regenerated.
791 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
793 Adopt splay trees for object database.
794 * Makefile.am: Copy splay-tree.* from libiberty.
795 * Makefile.in, testsuite/Makefile.in: Regenerated.
796 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
797 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
798 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
799 * mf-runtime.c: Rewrite code dealing with object database to use
800 libiberty splay trees. Remove tree liveness aging option.
801 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
803 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
805 * configure.ac: New name of configure.in. Update
806 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
807 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
808 Autoconf 2.5x and Automake 1.7 or later.
809 * configure.in: Remove.
810 * configure: Regenerate.
812 * Makefile.am: Remove useless multilib rules.
813 * Makefile.in: Regenerate.
815 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
817 * .cvsignore: New file.
819 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
822 * mf-hooks2.c (semctl): Add cygwin porting hack.
824 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
827 * configure.in: Look for ctype header and glibc implementation.
828 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
829 array hooks for glibc 2.3.
830 * mf-runtime.h.in: Wrap them.
831 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
833 * testsuite/libmudflap.c/pass47-frag.c: New test.
834 * configure, config.h.in: Regenerated.
836 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
838 Portability improvements, e.g., libmudflap/15293.
839 * configure.in: Look for glibc extension functions. Look for
840 support of -f{function,data}-sections. Look for more headers.
841 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
842 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
843 mf-hooks* into usual single object per source.
844 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
845 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
846 if system doesn't provide one.
847 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
848 (pthread_create): Use it to properly GC dead thread stacks.
849 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
850 * testsuite/Makefile.am: Stop generating site.exp.
851 * testsuite/mfconfig.exp.in: New file.
852 * testsuite/config/default.exp: Load new mfconfig.exp.
853 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
854 (prune_gcc_output): Add glibc static linking warnings.
855 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
856 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
857 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
858 Regenerated with autoconf 2.57 and automake 1.7.
860 2004-06-04 Per Bothner <per@bothner.com>
862 * configure.in (LIBMUDFLAPTH): Fix thinko.
864 * configure.in: Check for more headers.
865 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
867 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
868 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
870 2004-06-01 Andreas Jaeger <aj@suse.de>
872 * configure.in: Handle multilibs, support
873 --enable-version-specific-runtime-libs.
874 * Makefile.am (lib_LTLIBRARIES): Rename to ...
875 (toolexeclib_LTLIBRARIES): this for multilib support.
876 * Makefile.in: Regenerated.
877 * configure: Regenerated.
878 * aclocal.m4: Regenerated.
879 * config.h.in: Regenerated.
880 * testsuite/Makefile.in: Regenerated.
882 2004-06-01 Andreas Jaeger <aj@suse.de>
884 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
885 multilibs, using multilib directory instead of hardcoded path.
888 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
890 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
891 * Makefile.in: Ditto.
893 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
895 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
896 * aclocal.m4, configure: Rebuilt.
898 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
900 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
901 import some build settings from libstdc++-v3 testsuite_flags.
902 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
903 changes to pass test language.
905 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
906 quicker mode-nop handling.
908 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
910 * mf-impl.h: Added libgcc license header.
912 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
914 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
915 Added libgcc license header.
916 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
917 (pthread_create): Simplify stack allocation syntax.
919 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
921 * mf-hooks2.c: Support FreeBSD.
922 (WRAP_gets): Avoid gets().
923 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
924 test unimplemented mem/str calls on FreeBSD.
925 * testsuite/libmudflap.c/pass21-frag.c: Do not include
926 <alloca.h> on FreeBSD.
928 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
930 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
931 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
932 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
933 flags for static linking permutation.
934 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
935 some pthreads code that croaks on linux glibc tls.
937 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
939 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
941 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
943 * testsuite/libmudflap.c/pass44-frag.c: New test.
945 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
947 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
949 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
951 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
953 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
955 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
957 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
960 * configure.in: Add check for see if
961 socklen_t typedef is in sys/socket.h.
962 * mf-hooks1.c: Add define if socklen_t
964 * mf-hooks2.c: Likewise.
965 * mf-hooks3.c: Likewise.
966 * config.h.in: Regen.
969 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
971 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
972 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
974 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
975 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
976 (unoptimized) allocation of stack space.
978 2003-12-07 Richard Henderson <rth@redhat.com>
980 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
981 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
983 2003-12-06 Andrew Pinski <apinski@apple.com>
985 partial PR libmudflap/12670
986 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
987 * mf-hooks2.c: Likewise.
988 * mf-hooks3.c: Likewise.
990 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
993 * mf-runtime.h.in: Switch to #pragma redefine_extname for
994 symbols interposed at compile time.
995 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
998 * mf-hooks2.c (semctl): Tolerate FreeBSD.
1000 * configure.in: Reorganize check for <pthread.h>.
1001 * configure: Regenerated.
1003 2003-11-04 David Edelsohn <edelsohn@gnu.org>
1005 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
1006 (_LARGE_FILE_API): Define for AIX.
1007 * mf-hooks[123]: Same.
1008 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
1010 2003-10-21 David Edelsohn <edelsohn@gnu.org>
1012 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
1014 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
1016 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1018 * configure.in: Update check for union semun.
1020 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1023 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
1025 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
1028 * configure.in: Add checks for 64-bit LFS functions, struct semun
1029 definition, for BSD compatibility.
1030 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
1031 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
1032 * mf-hooks3.c: Ditto.
1033 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
1035 * configure, config.h.in: Regenerated.
1037 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
1039 Multithreading fixes:
1040 * mf-runtime.c (__mf_object): Store allocating/deallocating
1042 (options): Support new "-thread-stack" option.
1043 Rename "-heur-argv-environ" option to "-heur-stdlib".
1044 Disable "-lc-mask" and "-lc-shift" options.
1045 (__mf_dynamic): Add function pointers for pthread_join/_exit.
1046 (__assert_fail): New self-contained function for glibc.
1047 * mf-hooks3.c: Essentially rewritten, particularly related to
1048 use of __mf_pthread_info array.
1049 (pthread_join, _exit): New hook functions.
1050 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
1051 * testsuite/libmudflap.cth/pass40-frag.c: New test.
1054 * mf-heuristics.c: Add type casts for tracing, sub calls.
1055 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
1056 Update all callers to declare explicit result holder.
1057 (END_PROTECT): Removed.
1058 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
1060 2003-07-15 Diego Novillo <dnovillo@redhat.com>
1062 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
1063 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1064 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1066 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
1068 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
1069 * mf-hooks: Removed.
1070 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
1071 Move these macros from old mf-hooks.c here.
1072 * Makefile.am: Adapt to split-up hook sources for faster builds.
1073 * Makefile.in: Regenerated.
1075 * mf-heuristics.c: Remove #if-0 block.
1077 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
1078 (__mf_starting_p): New state only for use while dlsym bootstrapping.
1079 (CALL_REAL, __mf_init): Corresponding changes.
1080 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
1081 all callers to remove redundant "mf:" prefix.
1082 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
1083 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
1084 (__mf_pthread_info): Become a hash table.
1086 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
1087 "dg-repetitions" directives to control test case execution.
1088 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
1090 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
1092 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
1094 * mf-hooks.c (alloca): Separate into stub.
1095 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
1096 malloc/free for alloca blocks.
1097 (pthread_create): Tolerate failing pthread_attr_get* calls.
1098 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
1099 * mf-impl.h (CALL_WRAP): Remove macro.
1100 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
1101 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
1102 padding for ia64 BIT_FIELD_REF constructs.
1104 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
1106 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
1107 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
1108 libmudflap object type.
1109 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
1110 crashes on unregistering STATIC objects.
1112 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
1114 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
1115 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
1116 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
1117 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
1118 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
1119 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
1120 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
1121 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
1122 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
1123 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
1124 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
1125 (accept, bind, connect, gethostname, sethostname): New hooks.
1126 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
1127 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
1128 (semop, semctl, shmctl, shmat, shmdt): New hooks.
1129 * mf-runtime.h.in: Corresponding changes.
1130 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
1131 (opts) Rename heur_argv_environ to heur_std_data.
1132 (__mf_wrap_main): Use STATIC type for argv/environ strings.
1133 * Makefile.am: Corresponding changes.
1134 * Makefile.in: Regenerated.
1136 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
1138 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
1139 heuristic for threaded case, and for non-x86-linux targets.
1140 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
1141 for use during pre-main() program startup.
1142 (__mf_0fn_*): Make these functions non-static.
1143 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
1145 * mf-runtime.c (__mf_state): Set initial state to "starting".
1146 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
1147 (__wrap_main): New function to register argv[] and environ[] strings.
1148 (__mf_ini): Call it.
1149 (*): In all trace functions, use "%p" as formatter for uintptr_t.
1151 * testsuite/libmudflap.c/pass38-frag.c: New test case.
1152 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
1154 * acinclude.m4: Add comments with aoliva's concerns about x86_64
1156 * aclocal.m4, configure: Regenerated.
1158 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
1160 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
1161 * aclocal.m4, configure: Regenerated.
1163 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
1165 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
1166 for x86_64 target. Disable caching for this value.
1167 * aclocal.m4, configure: Regenerated.
1169 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
1171 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
1172 is about to become deprecated, and its present handling bugs are
1175 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
1177 * testsuite/libmudflap.c/pass38-frag.c: New test for
1180 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1182 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
1183 __mf_report, asserting reentrant calling context.
1185 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1187 * mf-hooks.c (realloc): Correct reentrancy logic.
1188 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
1190 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
1192 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
1193 PTHREAD_THREADS_MAX. Update users.
1194 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
1196 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
1197 with libmudflapth presence indicator.
1198 * testsuite/Makefile.in: Regenerated.
1200 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
1202 * Makefile.am (AM_CFLAGS): Remove "-ansi".
1203 * configure.in: Remove silly no-pthreads => no-shared logic.
1204 * Makefile.in, configure: Regenerated.
1205 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
1206 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
1207 code. Count reentrancy events.
1208 (all hook functions): Don't directly manipulate __mf_state variable.
1209 Add TRACE calls to hook functions without them.
1210 * mf-impl.h (LOCKTH): Try to count lock contention events.
1211 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
1212 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
1213 Reorganize reentrancy code.
1214 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
1215 identify reentrancy with mutex holding times.
1216 (internal __mfu_ entry points): Remove internal reentrancy code.
1217 (__mf_init): Use ordinary locked calls.
1218 (__mfu_report): Print the two new counts.
1219 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
1220 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
1221 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
1222 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
1225 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
1227 * configure.in: Add pthread support, plus glibc and porting hacks.
1228 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
1229 from objects built into ./pth/.
1230 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
1231 functions for internal entry points. Update callers to pick
1232 locked vs. unlocked variants.
1233 (__mf_resolve_single_dynamic): Extend to support symbol versioning
1234 info coming in from a static data structure.
1235 (*): Reorder miscellaneous declarations to group data vs functions.
1236 (__mf_set_default_options): Simplify.
1237 (__mf_usage): Mention threading status of host executable.
1238 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
1239 decls to match above.
1240 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
1241 * mf-heuristics.c: Choose between locked/unlocked calls. Add
1242 some lock/unlock markers. Remove some unused code.
1244 (pthread_create): New hook function.
1245 (__mf_pthread_cleanup, _spawner): New helper functions.
1246 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
1248 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
1250 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
1252 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
1254 * Makefile.am (HOOKOBJS): Add *time related hooks.
1255 * configure.in: Look for pthreads.h header.
1256 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
1257 * mf-runtime.c: Begin sketching some pthreads support.
1258 (__mf_usage): Check for -lpthread presence.
1259 (__mf_unregister): Confirm matching unregistration base.
1260 (__mf_find_objects_rec): Reduce unnecessary recursion.
1261 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
1262 #defines for new hook functions.
1263 * mf-impl.h: Corresponding changes.
1264 * config.h.in, configure, Makefile.in: Regenerated.
1266 2002-04-27 Diego Novillo <dnovillo@redhat.com>
1268 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
1269 modifiers to prevent being optimized away.
1270 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
1271 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1272 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
1273 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1274 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
1275 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
1276 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
1278 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1280 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1281 * configure.in: Look for uintptr_t and -ldl on target.
1282 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1283 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1284 * testsuite/Makefile.in: Regenerated.
1285 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1286 for better C compliance.
1288 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1290 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1292 * mf-runtime.c (__mf_set_default_options): Turn off
1293 check-initialization.
1294 (__mf_describe_object): Shorten description.
1295 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1297 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
1299 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1301 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
1303 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1305 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1306 * mf-impl.h (CALL_BACKUP): New macros.
1307 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1309 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
1311 * Makefile.am (AM_CFLAGS): Remove optimization flags.
1312 (HOOKOBJS): Remove dlopen hook.
1313 (libmudflap_la_LIBADD): Add -ldl.
1314 * mf-hooks.c (dlopen): Remove hook.
1315 * mf-impl.h (__mf_dynamic): Ditto.
1316 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1317 * Makefile.in: Regenerated.
1319 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
1321 * configure.in: Check for target gettimeofday, signal, some headers.
1322 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
1323 out inop multi_threaded field.
1324 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1325 (__mf_set_options): Correct handling of "-help".
1326 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1327 (__mf_check, __mf_register, __mf_unregister): Call it.
1328 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1329 (__mf_report_leaks): Make callable
1330 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
1331 distribution statistics.
1332 (__mf_adapt_cache): Rewrite shift guessing logic based on address
1334 * config.h.in, configure: Regenerated.
1335 * testsuite/libmudflap.c/fail27-frag.c: New test.
1336 * testsuite/libmudflap.c/pass36-frag.c: New test.
1338 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
1340 * mf-runtime.h.in: Tweak.
1341 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1342 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1343 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1345 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1347 * configure.in: Tweak generation of mf-runtime.h some more. It
1348 needs to work from both config.status and configure.
1349 * configure: Regenerated.
1351 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1353 * Makefile.am: Reorganize hook file building. Add auto dependencies.
1354 * configure.in: Tweak generation of mf-runtime.h.
1355 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1356 * mf-hooks.c (*): Adapt to initialized-heap object type.
1357 * mf-impl.h: Tweak cemetary boundaries.
1358 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1360 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1361 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1362 * testsuite/lib/libmudflap.exp (includes): Include build tree.
1363 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1365 * testsuite/.../fail{25,26}-frag.c: New tests.
1366 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1367 * Makefile.in, configure: Regenerated.
1369 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1371 * mf-runtime.c (__mf_set_default_options): Turn on initialization
1372 checking by default.
1373 (__mf_insert_new_object): As a temporary hack, assume that new
1374 objects registered on the stack start out initialized.
1375 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1376 heap objects by hand.
1378 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1380 Switch to macro-style hooks for str*/mem*/b* functions.
1381 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1382 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1383 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1384 (__mf_set_default_options): Turn off heur_proc_map.
1385 (*): Adapt to to macro-style hook functions.
1386 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1387 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1388 (__mf_violation): Handle __MF_VIOL_WATCH.
1389 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1390 (__mf_dynamic): Removed mem*/str*/b* functions.
1391 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1392 (WRAPPER2): New macro for macro-style hooks.
1393 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1395 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1396 * mf-heuristics.c: Adapt to macro-style hook functions.
1397 Correct some comments.
1398 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1399 output pattern tests.
1400 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1401 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1403 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1405 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1406 for global array registration.
1407 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1408 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1410 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1412 * Makefile.am: Add gross make bug workarounds. Tweaked
1413 SUBDIRS and AM_CFLAGS.
1414 * Makefile.in: Regenerated.
1416 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1419 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1420 * Makefile.am (TESTS): Remove simple automake testing.
1421 * configure, Makefile.in: Regenerated.
1422 (SUBDIRS): Include new testsuite/ directory.
1423 * tests/*: Removed all files; moved bulk under:
1424 * testsuite/*: New subdirectory tree.
1425 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1426 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1427 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1428 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1429 * testsuite/config/default.exp: New file.
1430 * testsuite/Makefile.am, Makefile.in: New files.
1432 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1434 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1435 (TESTS): Add fail22 and pass29 tests.
1436 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1437 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1438 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1439 values. Move __MF_VIOL* here.
1440 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1441 (check_initialization): New field in __mf_opts. Default off.
1442 (read_count,write_count): New fields in __mf_object.
1443 (__mf_check): Implement basic initialization checking.
1444 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1445 (__mf_describe_object): Print new fields.
1446 (__mf_violation): Identify check/read vs. check/write in messages.
1447 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1448 "-check-initialized" mudflap option.
1449 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1450 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1451 Drop __FILE__/__LINE__ hack. Update callers.
1452 (*): Adapt to new mf-runtime.h API.
1453 * Makefile.in: regenerated.
1455 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1457 * configure.in: Build mf-runtime.h a more proper way.
1458 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1459 * mf-runtime.c (verbose_violations): Turn on by default.
1460 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1461 * mf-impl.h: ... and move it here.
1462 * configure: Regenerated.
1464 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1466 * configure.in: Look for C++ compiler.
1467 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1468 fixed type warnings when built with C++.
1469 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1470 * Makefile.am (TESTS): Run them.
1471 (*) Add new rules for building and running C++ tests.
1472 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1473 * mf-runtime.h.in: Protect with extern "C".
1474 * Makefile, configure: Regenerated.
1476 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1478 Portability improvements.
1479 * configure.in: Look for glibc backtrace headers/functions.
1480 * mf-hooks.c: Don't include <execinfo.h> any more.
1481 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1483 (__mf_backtrace): Provide alternate baby implementation in
1485 * test/mf-driver.c: Portability tweaks.
1486 * acinclude.m4: New file, containing top level libtool.m4.
1487 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1489 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1491 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1493 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1495 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1497 (__mf_unregister): Implement stack/heap object wiping.
1498 (__mf_set_options): Renamed from __mf_process_opts.
1499 (__mf_uncache_object): Change arg type, correct callers.
1500 * mf-impl.h: Corresponding changes.
1501 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1502 * mf-runtime.h.in (__mf_set_options): Extend public API.
1503 * test/pass26-frag.c: New test for stack wiping.
1504 * Makefile.am (TESTS): Run it.
1505 * Makefile.in: Regenerated.
1507 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1509 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1510 * mf-runtime.c (__mf_object_t): Add watching_p field.
1511 (__mf_watch_or_not): New function to implement
1512 object watch flagging.
1513 (__mf_watch, __mf_unwatch): New wrappers for above.
1514 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1515 (__mf_count_violation): Enlarge array.
1516 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1517 unlink object. Clear cache properly.
1518 (__mf_unregister): Unlink object explicitly before uncaching.
1519 * test/fail21-frag.c, pass25-frag.c: New tests.
1520 * Makefile.in, aclocal.m4: Regenerated.
1522 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1524 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1525 * Makefile.am (TESTS): Add it.
1526 * test/pass-stratcliff.c: Add decls of stpcpy.
1527 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1528 build tree from config.h and new file mf-runtime.h.in.
1529 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1530 * Makefile.in, configure, config.h.in: Regenerated.
1531 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1532 * mf-runtime.c (options, __mf_set_default_options): Support new
1533 default "abbreviate" option.
1534 (__mf_object.description_epoch): New field.
1535 (__mf_describe_object): Conditionally abbreviate objects already
1536 displayed in current epoch. Accept NULL input to increment epoch.
1537 (__mf_fini, __mf_ini): Reset description epoch.
1538 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1539 that NULL pointer slot in lookup cache is invalidated. Register a
1540 NOACCESS region around NULL.
1541 * mf-impl.h: Corresponding changes.
1543 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1545 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1546 * Makefile.am: Run them. Install mf-runtime.h.
1547 * Makefile.in: Regenerated.
1548 * mf-hooks.c: Add some markers for more missing functions.
1549 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1550 statistic to tune tune cache size (mask).
1552 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1554 * test/pass23-frag.c: New test for bit_field_ref expressions.
1555 * Makefile.am, Makefile.in: Add new test.
1556 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1557 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1558 * mf-runtime.c (__mf_init): Register errno global.
1559 (__mf_find_object): Removed function.
1560 (__mf_check): Rewrite logic to support accesses across some
1561 contiguous but distinctly registered objects.
1562 (__mf_remove_old_object): Tolerate cache entries that span
1565 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1567 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1568 * Makefile.am, Makefile.in: Run new tests.
1569 * mf-hooks.c (alloca): Correct stack direction logic.
1571 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1573 * mf-impl.h (adapt_cache): New option.
1574 * mf-runtime.c (__mf_set_default_options): Set its default value.
1575 Tweak the tree_aging parameter down.
1576 (__mf_check): Maintain separate counter for cache-adaptation.
1577 (__mf_tree_analyze): New function to collect object tree stats.
1578 (__mf_adapt_cache): New function to automate cache parameters.
1580 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1582 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1583 hypothetical #if-0'd argv/envp region registration.
1584 * mf-runtime.c (__mf_init): Add kludged form of above.
1585 (*) Add "heur_argv_environ" flag, default on, to govern this.
1586 * mf-impl.h: Corresponding changes.
1588 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1590 * test/fail18-frag.c: New test file for NOACCESS regions.
1591 * Makefile.am (TESTS): Add new test.
1592 * Makefile.in: Regenerated.
1594 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1595 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1596 (optimize_object_tree): Remove unused mudflap_option.
1597 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1598 support throughout. Use .._MAX_CEM for cemetary upper bound.
1599 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1601 (__mf_object): Add new liveness field for use by tree aging.
1602 (__mf_check): Trigger tree aging when needed.
1603 (__mf_age_tree): New function to decay liveness field.
1604 (__mf_find_objects_rec): Use liveness field to rotate tree.
1605 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1606 (__mf_unregister): Ditto.
1607 (__mf_register): Tweak duplicate-static message.
1608 (__mf_violation: Tweak nearby-object counter printing.
1610 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1612 * test/pass20-frag.c: New test file.
1613 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1614 * Makefile.in: Regenerated.
1616 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1617 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1618 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1619 entries to avoid repeat registration.
1620 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1621 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1623 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1625 * Makefile.am: Create test sources with #include, not cat>>.
1626 * Makefile.in: Regenerated.
1627 * test/buildtest.sh: Removed.
1628 * test/driver.c (abort_handler, main): Be quiet.
1630 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1632 * test/pass18-frag.c, pass19-frag.c: New tests.
1633 * Makefile.am (check): Run them. Rebuild test programs each time.
1634 * Makefile.in: Regenerated.
1636 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1638 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1639 overlapping object search.
1640 (__mf_violation): Likewise for nearby objects.
1641 Improve nearby-object listing.
1644 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1645 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1647 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1650 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1651 (HOOKOBJS): Add alloca-hook.o.
1652 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1654 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1655 (__mf_backtrace): Reimplement without using alloca.
1656 * Makefile.in: Regenerated.
1659 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1660 Correct signedness bugs in length-tracking variables.
1661 * mf-impl.h: Make options unsigned.
1662 (CALL_WRAP): New macro to parallel CALL_REAL().
1663 (DECLARE): Remove erroneous ";" at end.
1664 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1665 formatting specs with %08lx. Correct several compiler warnings.
1667 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1669 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1671 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1673 libmudflap hook breakup:
1674 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1676 (TESTS): Make dependent on libmudflap.
1677 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1678 compiled from segments of mf-hooks.c.
1679 * mf-hooks.c: Corresponding changes: wrap each function in
1681 * Makefile.in: Regenerated.
1683 Heuristics reorganization:
1684 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1685 Remove these functions. Update callers.
1686 (__mf_heuristic_check): Incorporate all the various heuristics.
1687 Encode cacheability/retry judgement into trinary return value.
1688 Separate start-end logic into a separate fallback heuristic. Only
1689 register relevant /proc/self/map segments.
1690 * mf-impl.h: Corresponding changes.
1691 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1692 (__mf_init): Don't call __mf_init_heuristics.
1695 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1696 "-verbose-trace" to emit all tracing messages other than those of
1697 basic public api. Eliminate some duplicate/excessive messages.
1698 * mf-runtime.h: Corresponding changes.
1700 2002-08-27 Graydon Hoare <graydon@redhat.com>
1702 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1703 and __real when compiled with -DPIC.
1704 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1705 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1706 * Makefile.in: Regenerate.
1708 2002-08-26 Graydon Hoare <graydon@redhat.com>
1710 * mf-impl.h: New file, private implementation header.
1711 * mf-runtime.h: Reorganize a bit.
1712 (CLAMPSZ): Fix arithmetic.
1713 (__MF_CACHE_MISS_P): Fix arithmetic.
1714 * mf-runtime.c: Reorganize a bit.
1715 (__mf_dynamic): New structure.
1716 (resolve_single_dynamic): New function.
1717 (__mf_resolve_dynamics): New function.
1718 (__mf_init): Initialize dynamic wrappers.
1719 * mf-hooks.c: Macro-ize __real calls.
1720 Clamp various bits of arithmetic.
1721 Add explicit __mf_check call contexts.
1722 * Makefile.am: Add dependencies on mf-impl.h
1723 * Makefile.in: Regenerate.
1724 * configure.in: Comment out shared override.
1725 * configure: Regenerate.
1727 2002-08-22 Graydon Hoare <graydon@redhat.com>
1729 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1730 (__mf_check): Re-inialize and check heuristics before violation.
1731 (__mf_register): Permit updating pure-guess regions.
1732 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1733 (__wrap_dlopen): New wrapper function.
1734 (__wrap_mmap): New wrapper function.
1735 (__wrap_munmap): New wrapper function.
1736 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1737 which are not stack addresses.
1738 (is_stack_address): New function.
1739 (__mf_init_heuristics): Save and restore state, always initialize with
1742 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1744 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1745 error. Pass location string.
1746 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1747 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1748 (__mf_process_opts): Apply some sanity checking for lc-mask.
1749 (__mf_check, __mf_violation): Take new location-string argument.
1750 Update callers to pass NULL if necessary.
1751 (__mf_backtrace): New smart backtracer function. Calls replace
1752 several ad-hoc blocks elsewhere.
1753 (__mf_describe_object): Remove bad reentrancy test. Improve
1755 * mf-runtime.h: Corresponding changes. Public/private markup.
1756 (__MF_CACHE_MISS_P): New macro.
1758 2002-08-20 Graydon Hoare <graydon@redhat.com>
1760 * mf-runtime.h: New option: stack_bound (heuristic).
1761 Move some macros out of implementation files.
1762 * mf-runtime.c: New option string: -stack-bound.
1763 Unify recursion protection with hooks.
1765 (__mf_check): Call __mf_heuristic_check.
1766 (__mf_process_opts): Fix "no-" processing.
1767 * mf-heuristics.c (__mf_heuristic_check): New function.
1768 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1770 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1772 Option parsing improvements, region splitting bug fixes:
1773 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1774 * mf-runtime.h (heur_proc_map): New libmudflap option.
1775 * mf-runtime.c (__mf_set_default_options): Set it.
1776 (__mf_usage): Print default values/status.
1777 (__mf_process_opts): Support general "no-" option string prefix.
1778 (__mf_init): Print __mf_usage on unknown-option error.
1779 (__mf_register): Print trace message up front.
1780 Correct region splitting logic for case where a subregion disappears.
1781 Correct memory leak.
1782 (__mf_violation): Make even basic message conditional on option.
1785 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1786 (clean-local): New target.
1787 (test/*x rules): Add -g CFLAGS.
1788 (CFLAGS): Add -freorder-blocks.
1789 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1790 * Makefile.in: Regenerated.
1791 * Makefile, mf-config.h: Removed files.
1793 2002-08-16 Graydon Hoare <graydon@redhat.com>
1795 * mf-runtime.c (__mf_insert_new_object): Factor out of
1797 (__mf_remove_old_object): Factor out of __mf_unregister.
1798 (__mf_register): Handle guessed regions, splitting
1799 guesses when new registrations arrive.
1800 (__mf_unregister): Do not unregister guesses.
1801 * mf-runtime.h: Move convenience macros around,
1802 declare new option fields. Add __MF_TYPE_GUESS.
1803 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1804 (__wrap_free): Call __real_free for deferred frees.
1805 * Makefile.am: Add more tests, fix dependency.
1806 * Makefile.in: Regenerate.
1807 * test/pass[13..17]-frag.c: New testcases.
1808 * test/fail[13..17]-frag.c: New testcases.
1810 2002-08-15 Graydon Hoare <graydon@redhat.com>
1812 * mf-heuristics.c: New file.
1813 * mf-runtime.c (options): Add -trace-calls option.
1814 (__mf_init): Call __mf_init_heuristics.
1816 2002-08-14 Graydon Hoare <graydon@redhat.com>
1818 * Makefile.am (TESTS): Add testsuite support.
1819 * Makefile.in: Regenerate.
1820 * test/mf-driver.c: New file.
1821 * test/buildtest.sh: New file.
1822 * test/passNN-frag.c: New testcases.
1823 * test/failNN-frag.c: New testcases.
1825 2002-08-14 Graydon Hoare <graydon@redhat.com>
1827 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1828 verifying non-size-limited string extents.
1830 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1832 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1833 instead of plain str[n]len for internal checks.
1834 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1836 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1838 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1840 2002-08-13 Graydon Hoare <graydon@redhat.com>
1842 * mf-runtime.c: Rework configuration to operate on
1843 environment variable options rather than #defines
1844 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1845 (__mf_init): Set static __mf_active_p flag on startup,
1846 to inhibit mudflap wrap-based checking during crt0.s.
1847 * mf-runtime.h: Declare options structure.
1848 * mf-hooks.c: New wrappings for mem*, b*, str*
1849 libc functions (temporarily #if 0-ed out).
1851 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1853 * Makefile.am, configure.in: New files.
1854 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1855 * stamp-h.in, aclocal.m4: Ditto.
1857 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1859 * Makefile: New file.
1860 * mf-config.h: New file: runtime configuration.
1861 * mf-hooks.c: New file: interposed libc functions.
1862 * mf-runtime.c: New file: bulk of runtime.
1863 * mf-runtime.h: New file: public functions.