1 2010-05-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4 * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
5 * Makefile.in: Regenerate.
6 * testsuite/Makefile.in: Regenerate.
8 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
10 * Makefile.in: Regenerate.
11 * aclocal.m4: Regenerate.
12 * testsuite/Makefile.in: Regenerate.
14 2010-03-15 David S. Miller <davem@davemloft.net>
16 * testsuite/libmudflap.c/pass54-frag.c: Add explicit return from
19 2010-01-09 Jakub Jelinek <jakub@redhat.com>
21 * mf-runtime.c (__mf_usage): Update copyright notice dates.
23 2009-12-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
25 * Makefile.in: Regenerate.
26 * configure: Regenerate.
27 * testsuite/Makefile.in: Regenerate.
29 2009-09-22 Frank Ch. Eigler <fche@redhat.com>
32 * mf-runtime.c (__mf_init): Ignore $MUDFLAP_OPTIONS if
33 running setuid or setgid.
35 2009-09-01 Loren J. Rittle <ljrittle@acm.org>
37 * mf-runtime.c (__mf_init): Support FreeBSD.
38 Prime mutex which calls calloc upon first lock to avoid deadlock.
39 * mf-hooks1.c (__mf_0fn_mmap): Support FreeBSD.
40 Ignore red zone allocation request for initial thread's stack.
42 2009-09-01 Loren J. Rittle <ljrittle@acm.org>
43 Andreas Schwab <schwab@linux-m68k.org>
45 * testsuite/libmudflap.c/pass51-frag.c (MAP_FAILED): Define,
46 if not in system header; use it. On FreeBSD, must pass fd==-1
47 with MAP_ANON flag. Correct mmap error check.
48 * testsuite/libmudflap.c/fail40-frag.c: Ditto.
50 2009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
52 * configure.ac (AC_PREREQ): Bump to 2.64.
54 2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
56 * Makefile.am (install-html, install-pdf): Remove.
57 * Makefile.in: Regenerate.
59 * Makefile.in: Regenerate.
60 * aclocal.m4: Regenerate.
61 * config.h.in: Regenerate.
62 * configure: Regenerate.
63 * testsuite/Makefile.in: Regenerate.
65 2009-07-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
67 * configure.ac (_AC_ARG_VAR_PRECIOUS): Use m4_rename_force.
69 2009-07-16 Joseph Myers <joseph@codesourcery.com>
71 * configure: Regenerate.
73 2009-07-11 Richard Sandiford <rdsandiford@googlemail.com>
78 * testsuite/lib/libmudflap.exp: Revert 2009-06-30 commit.
80 2009-07-01 Richard Guenther <rguenther@suse.de>
82 PR tree-optimization/19831
83 * testsuite/libmudflap.c/fail11-frag.c: Make allocated memory
85 * testsuite/libmudflap.c/fail12-frag.c: Likewise.
86 * testsuite/libmudflap.c/fail16-frag.c: Likewise.
87 * testsuite/libmudflap.c/fail31-frag.c: Likewise.
89 2009-06-30 Richard Sandiford <r.sandiford@uk.ibm.com>
91 * testsuite/lib/libmudflap.exp (libmudflap-init): Don't add "."
92 to ld_library_path. Use add_path. Add just find_libgcc_s to
93 ld_library_path, not every libgcc multilib directory.
95 2009-04-09 Nick Clifton <nickc@redhat.com>
97 * mf-hooks1.c: Change copyright header to refer to version 3
98 of the GNU General Public License with version 3.1 of the GCC
99 Runtime Library Exception and to point readers at the COPYING3
100 and COPYING3.RUNTIME files and the FSF's license web page.
101 * mf-heuristics.c: Likewise.
102 * mf-hooks2.c: Likewise.
103 * mf-hooks3.c: Likewise.
104 * mf-impl.h: Likewise.
105 * mf-runtime.c: Likewise.
106 * mf-runtime.h: Likewise.
108 2009-04-09 Jakub Jelinek <jakub@redhat.com>
110 * testsuite/lib/mfdg.exp: Change copyright header to refer to
111 version 3 of the GNU General Public License and to point readers
112 at the COPYING3 file and the FSF's license web page.
113 * testsuite/lib/libmudflap.exp: Likewise.
115 2009-03-31 Ben Elliston <bje@au.ibm.com>
118 * testsuite/libmudflap.c/fail27-frag.c: Match `mudflap dead
119 object', not `mudflap object'.
121 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
123 * configure: Regenerate.
125 2009-02-03 Jakub Jelinek <jakub@redhat.com>
127 * mf-runtime.c (__mf_usage): Update copyright notice dates.
129 2009-01-23 Jie Zhang <jie.zhang@analog.com>
131 * mf-impl.h (__mf_get_state, __mf_set_state): Don't use
132 __thread when TLS support is emulated.
133 * mf-hooks3.c (__mf_get_state, __mf_set_state): Likewise.
134 * mf-runtime.c (__mf_state_1): Likewise.
135 * configure.ac: Use GCC_CHECK_EMUTLS.
136 * configure: Regenerate.
137 * config.h.in: Regenerate.
139 2008-12-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
141 * configure: Regenerate.
143 2008-11-26 Janis Johnson <janis187@us.ibm.com>
146 * testsuite/lib/mfdg.exp (dg-test): Use new timeout support.
147 (dg-timeout): Remove.
148 (standard-wait): Remove.
149 * testsuite/lib/libmudflap.exp: Include new timeout library files.
150 (libmudflap_target_compile): Set timeout value from new proc.
152 2008-11-10 Jakub Jelinek <jakub@redhat.com>
155 * testsuite/libmudflap.c/pass67-frag.c: New test.
157 2008-10-09 Jakub Jelinek <jakub@redhat.com>
160 * testsuite/libmudflap.c++/pass66-frag.cxx: New test.
162 2008-09-26 Peter O'Gorman <pogma@thewrittenword.com>
163 Steve Ellcey <sje@cup.hp.com>
165 * configure: Regenerate for new libtool.
166 * Makefile.in: Ditto.
167 * testsuite/Makefile.in: Ditto.
169 2008-09-15 Jakub Jelinek <jakub@redhat.com>
172 * testsuite/libmudflap.c/pass64-frag.c: New test.
174 2008-06-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
176 * Makefile.in: Regenerate.
177 * config.h.in: Regenerate.
178 * configure: Regenerate.
179 * testsuite/Makefile.in: Regenerate.
181 2008-04-18 Paolo Bonzini <bonzini@gnu.org>
184 * aclocal.m4: Regenerate.
185 * configure: Regenerate.
187 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
189 * testsuite/libmudflap.c/pass63-frag.c: New test.
191 2008-03-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
193 * aclocal.m4: Regenerate.
194 * configure: Likewise.
195 * Makefile.in: Likewise.
196 * testsuite/Makefile.in: Likewise.
198 2008-03-02 Jakub Jelinek <jakub@redhat.com>
200 * mf-runtime.c (__mf_usage): Update copyright notice dates.
202 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
204 * testsuite/libmudflap.c/fail8-frag.c: Adjust scan pattern for
206 * testsuite/libmudflap.c/fail9-frag.c: Ditto.
208 2008-01-24 David Edelsohn <edelsohn@gnu.org>
210 * configure: Regenerate.
212 2008-01-05 Jakub Jelinek <jakub@redhat.com>
214 PR tree-optimization/34618
215 * testsuite/libmudflap.c/pass62-frag.c: New test.
217 2008-01-03 Jakub Jelinek <jakub@redhat.com>
220 * testsuite/libmudflap.c++/pass61-frag.cxx: New test.
222 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
225 * testsuite/libmudflap.c++/pass60-frag.cxx: New test.
227 2007-10-15 Maciej W. Rozycki <macro@linux-mips.org>
229 * configure: Regenerate following changes to ../config/tls.m4.
231 2007-07-26 Tom Tromey <tromey@redhat.com>
233 * Makefile.in: Rebuilt.
234 * Makefile.am (clean-local): Removed.
235 (pth/mf-runtime.lo, pth/mf-heuristics.lo, pth/mf-hooks1.lo,
236 pth/mf-hooks2.lo, pth/mf-hooks3.lo): Likewise.
237 (libmudflapth_la_SOURCES): List sources.
238 (libmudflapth_la_LIBADD): Clear.
239 (libmudflapth_la_CFLAGS): New variable.
241 2007-07-05 H.J. Lu <hongjiu.lu@intel.com>
243 * aclocal.m4: Regenerated.
245 2007-06-02 Paolo Bonzini <bonzini@gnu.org>
247 * configure: Regenerate.
249 2007-05-31 Frank Ch. Eigler <fche@redhat.com>
251 From Andi Kleen <ak@suse.de>:
252 * mf-runtime.c (options): Rename structure for compatibility with
255 2007-05-23 Steve Ellcey <sje@cup.hp.com>
257 * Makefile.in: Regenerate.
258 * configure: Regenerate.
259 * aclocal.m4: Regenerate.
260 * testsuite/Makefile.in: Regenerate.
262 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
264 * testsuite/libmudflap.cth/pass59-frag.c (main): Fix casting of arg.
266 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
268 * Makefile.am: Add dummy install-pdf target.
269 * Makefile.in: Regenerate
271 2007-02-07 Jakub Jelinek <jakub@redhat.com>
274 * configure: Regenerate.
276 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
278 * configure: Regenerate.
280 2006-11-13 Daniel Jacobowitz <dan@codesourcery.com>
282 * configure: Regenerated.
284 2006-11-10 Frank Ch. Eigler <fche@redhat.com>
287 * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
288 static but not function scope static.
289 (free): Skip deallocation attempts for objects placed into
291 * testsuite/libmudflap.cth/pass59-frag.c: New test.
293 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
295 From Herman ten Brugge <hermantenbrugge@home.nl>:
296 * mf-runtime.c (__mf_uncache_object): Optimize the code so that
297 small and large objects are handled a lot faster.
299 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
301 * configure.ac (__libc_freeres): Look for it.
302 * mf-impl.h (call_libc_freeres): New configuration flag.
303 * mf-runtime.c (__mf_set_default_options): Set it by default.
304 (__mfu_report): Call it if needed.
305 (__mfu_unregister): Remove "unaccessed registered object" warning.
306 * configure, config.h.in: Regenerated.
308 2006-09-18 Tom Tromey <tromey@redhat.com>
310 * configure: Rebuilt.
312 2006-06-21 Frank Ch. Eigler <fche@redhat.com>
315 mf-runtime.h installation based on ssp patch for PR 26473 from
316 Mark Mitchell <mark@codesourcery.com>.
317 * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
318 * Makefile.am (target_noncanonical): Define.
319 (libsubincludedir): New variable.
320 (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
321 (include_HEADERS): Remove.
322 * configure, aclocal.m4, config.h.in: Regenerated.
323 * Makefile.in, testsuite/Makefile.in: Likewise.
324 * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
325 and _THREAD_SAFE redefinition values.
327 2006-05-23 Carlos O'Donell <carlos@codesourcery.com>
329 * Makefile.am: Add install-html target. Add install-html to .PHONY
330 * Makefile.in: Regenerate.
332 2006-04-19 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
335 * testsuite/libmudflap.c++/error1-frag.cxx: New test.
338 * testsuite/libmudflap.c++/error2-frag.cxx: New test.
340 2006-04-10 Matthias Klose <doko@debian.org>
342 * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
343 directory names containing underscores.
345 2005-11-22 Janis Johnson <janis187@us.ibm.com>
347 * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
348 MUDFLAP_FLAGS if static library not supported.
349 * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
350 * testsuite/libmudflap.c/externs.exp: Ditto.
351 * testsuite/libmudflap.c++/ctors.exp: Ditto.
352 * testsuite/libmudflap.c++/c++frags.exp: Ditto.
353 * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
355 2005-10-04 James E Wilson <wilson@specifix.com>
357 * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
358 $name as array of characters with unknown bound. Also store into the
360 * configure: Regenerate.
362 2005-09-30 James E. Wilson <wilson@specifix.com>
364 * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
366 (target_thread_file): New. Set from sed'ed gcc output.
367 (posix_threads): New. Set from target_thread_file. Use instead of
369 (pthread_create_version): Move initialization before code using it.
370 * configure: Regenerate.
372 * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
375 2005-09-29 James E. Wilson <wilson@specifix.com>
377 * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
378 with HAVE_MMAP ifdef.
380 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
383 * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
385 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
387 * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
389 2005-09-23 Tom Tromey <tromey@redhat.com>
391 * aclocal.m4, configure: Rebuilt.
392 * configure.ac: Use GCC_CHECK_TLS.
393 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
396 2005-08-22 Jim Wilson <wilson@specifix.com>
398 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
399 __FreeBSD__ is defined.
401 2005-08-17 Jim Wilson <wilson@specifix.com>
403 * mf-hooks1.c (malloc, calloc, realloc, free,
404 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
405 the real routines, and END_MALLOC_PROTECT afterwards.
406 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
407 (BEGIN_PROTECT): Handle in_malloc state.
408 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
409 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
411 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
413 * All files: Update FSF address.
415 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
417 * mf-hooks3.c (main_seen_p): Remove.
418 (__mf_get_state): Remove attempt to recognize the main thread.
420 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
422 * configure.ac: Test for the name of the symbol used for the entry
423 point; define ENTRY_POINT to the result.
424 * configure: Regenerate.
425 * config.h.in: Regenerate.
426 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
428 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
430 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
431 (__mf_init): Set thread state active.
432 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
434 (pthread_create wrapper): Always use thread spawner.
436 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
437 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
439 2005-07-16 Richard Henderson <rth@redhat.com>
441 * acinclude.m4: New file.
442 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
443 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
444 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
445 (__mf_0fn_calloc): ... here.
446 * mf-hooks3.c (struct pthread_info): Remove.
447 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
448 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
449 (struct mf_thread_data): New.
450 (mf_thread_data, mf_thread_data_lock): New.
451 (__mf_allocate_blank_threadinfo): Remove.
452 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
454 (__mf_state_perthread): Remove.
455 (__mf_get_state, __mf_set_state): New.
456 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
457 Update mf_thread_data killing procedure.
458 (__mf_pthread_spawner): Similarly.
459 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
460 code to allocate thread stack space.
461 (__mf_0fn_pthread_join, pthread_join): Remove.
462 (__mf_0fn_pthread_exit, pthread_exit): Remove.
463 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
464 (__mf_state_1): Rename from __mf_state; use TLS when available.
465 (__mf_get_state, __mf_set_state): New. Update all users.
466 * mf-runtime.c (begin_recursion_protect1): New.
467 (BEGIN_RECURSION_PROTECT): Use it.
468 (__mf_state_1): Rename from __mf_state; use TLS when available.
469 (threads_active_p): Remove.
470 (__mf_usage): Compute it directly.
472 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
474 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
476 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
478 Fix for uncaching bug reported by Herman ten Brugge.
479 * mf-runtime.c (__mf_uncache_object): Search whole cache.
480 * testsuite/libmudflap.c/fail40-frag.c: New test.
482 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
485 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
486 * Makefile.in: Amend.
488 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
491 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
492 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
494 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
497 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
499 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
502 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
503 unsigned vars with #defines instead of enums.
505 2005-05-09 Mike Stump <mrs@apple.com>
507 * configure: Regenerate.
509 2005-04-12 Mike Stump <mrs@apple.com>
511 * configure: Regenerate.
513 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
516 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
517 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
519 2005-04-04 Alan Modra <amodra@bigpond.net.au>
521 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
523 2005-03-31 Mike Stump <mrs@apple.com>
525 * mf-runtime.h: Add libmudflap copyright clause.
527 2005-03-21 Mike Stump <mrs@apple.com>
529 * mf-heuristics.c: Fix whitespace at end of line.
530 * mf-hooks1.c: Likewise.
531 * mf-hooks2.c: Likewise.
532 * mf-hooks3.c: Likewise.
533 * mf-impl.h: Likewise.
534 * mf-runtime.c: Likewise.
535 * mf-runtime.h: Likewise.
537 2005-03-21 Zack Weinberg <zack@codesourcery.com>
539 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
540 In all substitutions, expand gcc_version in Makefile.
541 * aclocal.m4, configure: Regenerate.
542 * Makefile.am: Set gcc_version.
543 * Makefile.in, testsuite/Makefile.in: Regenerate.
545 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
547 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
548 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
550 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
553 * testsuite/libmudflap.c++/pass55-frag.c: New test.
555 2005-01-05 Richard Henderson <rth@redhat.com>
557 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
559 2005-01-02 Greg McGary <greg@mcgary.org>
561 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
562 * mf-runtime.h: New file, replaces mf-runtime.h.in.
563 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
564 * Makefile.in: Ditto.
565 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
566 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
567 * testsuite/libmudflap.c/fail36-frag.c: New test.
568 * testsuite/libmudflap.c/fail37-frag.c: New test.
569 * testsuite/libmudflap.c/fail38-frag.c: New test.
571 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
573 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
574 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
576 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
578 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
579 * aclocal.m4: Include ../config/gcc-version.m4.
580 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
582 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
584 * Makefile.am: Define ACLOCAL_AMFLAGS.
585 * acinclude.m4: Remove.
586 * stamp-h.in: Remove superfluous stamp file.
587 * aclocal.m4, configure, Makefile.in: Regenerate.
588 * testsuite/Makefile.in: Likewise.
590 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
592 * Makefile.am: Revert previous.
593 * acinclude.m4: Restore.
594 * aclocal.m4, configure, Makefile.in: Regenerate.
595 * testsuite/Makefile.in: Likewise.
597 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
599 * Makefile.am: Define ACLOCAL_AMFLAGS.
600 * acinclude.m4: Remove.
601 * aclocal.m4, configure, Makefile.in: Regenerate.
602 * testsuite/Makefile.in: Likewise.
604 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
606 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
608 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
610 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
611 * testsuite/Makefile.in: Likewise.
613 2004-11-01 Andreas Schwab <schwab@suse.de>
615 * configure.ac: (target_alias): Default to $host_alias, not
617 * configure: Regenerated.
619 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
621 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
622 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
625 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
628 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
630 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
632 * configure.ac: Check for more headers, functions.
633 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
634 tracking overridden FILE buffers.
635 (fopen, setvbuf): New/revised hook functions for buffer overriding.
636 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
637 (fflush): Accept given NULL stream (means "all streams").
639 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
641 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
642 (__mf_adapt_cache): Use them all.
643 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
644 * testsuite/libmudflap.c++/ctors.exp: Ditto.
645 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
646 * configure, config.h.in: Regenerated.
648 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
650 * configure.ac: Checking for sys/socket.h once is enough.
651 * configure: Regenerated.
653 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
655 * configure.ac: Look for more headers & functions.
656 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
657 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
658 * mf-runtime.c (options): Clean up integer signedness warnings.
659 (main): Add a declaration to fix a warning.
660 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
661 * configure, config.h.in: Regenerated.
663 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
665 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
666 New tests for proper base/limit checking for aggregates.
668 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
670 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
672 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
674 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
675 * mf-hooks2.c (strerror): Unregister previous string returned by
677 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
678 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
679 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
680 * mf-runtime.c (__mf_describe_object): Clarify object life status.
681 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
683 * configure, config.h.in: Regenerated.
685 2004-08-03 Dale Johannesen <dalej@apple.com>
687 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
689 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
691 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
692 simplified contents in all former callers.
694 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
696 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
697 the statically linked case.
699 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
701 * splay-tree.[ch]: Remove. Merge contents into ...
702 * mf-runtime.c: ... here, renaming symbols and making all functions
703 static. Remove unused min/max functions.
704 * Makefile.am: Forget about splay-tree.[ch].
705 * Makefile.in, testsuite/Makefile.in: Regenerated.
707 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
709 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
710 (__mfu_usage): Include (C) 2004.
711 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
712 here. Include a comment explaining why.
714 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
716 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
717 * mf-runtime.c (options): Give them a name.
718 (__mf_set_default_options): Set them.
719 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
720 (__mf_violation): Warning cleanup.
721 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
722 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
724 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
727 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
730 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
732 Test case for g++/15861
733 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
734 * testsuite/libmudflap.c++/ctors.exp: Driver.
735 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
736 Look only for *frag* test cases.
738 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
740 ANSI C conversion, libmudflap specialization, recursion limiting.
741 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
742 argument and indirection function pointers, update callers.
743 (splay_tree_s): Add statistics and recursion control fields
744 num_keys, max_depth, depth, rebalance_p.
745 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
746 Back out of search if it exceeds limit.
747 (splay_tree_splay): Manage recursion limiting with rebalancing as
749 (splay_tree_new): More initialization.
750 (splay_tree_rebalance): New function.
751 (splay_tree_foreach): Rewrite using nonrecursive logic.
752 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
753 Remove. Point indirect calls to mf-runtime.c's routines.
754 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
756 (splay_tree_delete, splay_tree_delete_helper): Ditto.
757 * testsuite/heap-scalestress.c: New test based on one from
758 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
760 2004-07-05 Matthias Klose <doko@debian.org>
762 * libtool-version: New.
763 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
764 Use -version-info for soname.
765 * Makefile.in: Regenerate.
766 * configure.ac: Remove libtool_VERSION macro
767 * configure: Regenerate
769 2004-07-05 Zack Weinberg <zack@codesourcery.com>
771 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
772 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
775 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
777 Splay tree implementation fork.
778 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
779 Use hard-coded comparison function for uintptr_t. Remove key/value
780 deallocation logic. Cache last splayed key for consecutive lookups.
781 * Makefile.am, Makefile.in: Use them, don't link to them.
782 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
783 (__mf_find_objects2): Flip successor/predecessor search sequence.
784 * ansidecl.h, libiberty.h: Removed dummy files.
786 2004-06-29 Nick Clifton <nickc@redhat.com>
788 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
789 * configure: Regenerate.
790 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
792 Remove spurious inclusion of <strings.h>.
794 2004-06-29 Nick Clifton <nickc@redhat.com>
796 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
797 function actually exists.
799 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
801 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
802 * config.h.in: Regenerated.
804 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
806 Adopt splay trees for object database.
807 * Makefile.am: Copy splay-tree.* from libiberty.
808 * Makefile.in, testsuite/Makefile.in: Regenerated.
809 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
810 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
811 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
812 * mf-runtime.c: Rewrite code dealing with object database to use
813 libiberty splay trees. Remove tree liveness aging option.
814 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
816 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
818 * configure.ac: New name of configure.in. Update
819 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
820 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
821 Autoconf 2.5x and Automake 1.7 or later.
822 * configure.in: Remove.
823 * configure: Regenerate.
825 * Makefile.am: Remove useless multilib rules.
826 * Makefile.in: Regenerate.
828 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
830 * .cvsignore: New file.
832 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
835 * mf-hooks2.c (semctl): Add cygwin porting hack.
837 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
840 * configure.in: Look for ctype header and glibc implementation.
841 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
842 array hooks for glibc 2.3.
843 * mf-runtime.h.in: Wrap them.
844 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
846 * testsuite/libmudflap.c/pass47-frag.c: New test.
847 * configure, config.h.in: Regenerated.
849 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
851 Portability improvements, e.g., libmudflap/15293.
852 * configure.in: Look for glibc extension functions. Look for
853 support of -f{function,data}-sections. Look for more headers.
854 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
855 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
856 mf-hooks* into usual single object per source.
857 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
858 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
859 if system doesn't provide one.
860 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
861 (pthread_create): Use it to properly GC dead thread stacks.
862 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
863 * testsuite/Makefile.am: Stop generating site.exp.
864 * testsuite/mfconfig.exp.in: New file.
865 * testsuite/config/default.exp: Load new mfconfig.exp.
866 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
867 (prune_gcc_output): Add glibc static linking warnings.
868 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
869 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
870 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
871 Regenerated with autoconf 2.57 and automake 1.7.
873 2004-06-04 Per Bothner <per@bothner.com>
875 * configure.in (LIBMUDFLAPTH): Fix thinko.
877 * configure.in: Check for more headers.
878 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
880 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
881 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
883 2004-06-01 Andreas Jaeger <aj@suse.de>
885 * configure.in: Handle multilibs, support
886 --enable-version-specific-runtime-libs.
887 * Makefile.am (lib_LTLIBRARIES): Rename to ...
888 (toolexeclib_LTLIBRARIES): this for multilib support.
889 * Makefile.in: Regenerated.
890 * configure: Regenerated.
891 * aclocal.m4: Regenerated.
892 * config.h.in: Regenerated.
893 * testsuite/Makefile.in: Regenerated.
895 2004-06-01 Andreas Jaeger <aj@suse.de>
897 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
898 multilibs, using multilib directory instead of hardcoded path.
901 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
903 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
904 * Makefile.in: Ditto.
906 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
908 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
909 * aclocal.m4, configure: Rebuilt.
911 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
913 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
914 import some build settings from libstdc++-v3 testsuite_flags.
915 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
916 changes to pass test language.
918 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
919 quicker mode-nop handling.
921 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
923 * mf-impl.h: Added libgcc license header.
925 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
927 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
928 Added libgcc license header.
929 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
930 (pthread_create): Simplify stack allocation syntax.
932 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
934 * mf-hooks2.c: Support FreeBSD.
935 (WRAP_gets): Avoid gets().
936 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
937 test unimplemented mem/str calls on FreeBSD.
938 * testsuite/libmudflap.c/pass21-frag.c: Do not include
939 <alloca.h> on FreeBSD.
941 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
943 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
944 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
945 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
946 flags for static linking permutation.
947 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
948 some pthreads code that croaks on linux glibc tls.
950 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
952 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
954 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
956 * testsuite/libmudflap.c/pass44-frag.c: New test.
958 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
960 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
962 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
964 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
966 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
968 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
970 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
973 * configure.in: Add check for see if
974 socklen_t typedef is in sys/socket.h.
975 * mf-hooks1.c: Add define if socklen_t
977 * mf-hooks2.c: Likewise.
978 * mf-hooks3.c: Likewise.
979 * config.h.in: Regen.
982 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
984 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
985 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
987 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
988 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
989 (unoptimized) allocation of stack space.
991 2003-12-07 Richard Henderson <rth@redhat.com>
993 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
994 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
996 2003-12-06 Andrew Pinski <apinski@apple.com>
998 partial PR libmudflap/12670
999 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
1000 * mf-hooks2.c: Likewise.
1001 * mf-hooks3.c: Likewise.
1003 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
1006 * mf-runtime.h.in: Switch to #pragma redefine_extname for
1007 symbols interposed at compile time.
1008 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
1011 * mf-hooks2.c (semctl): Tolerate FreeBSD.
1013 * configure.in: Reorganize check for <pthread.h>.
1014 * configure: Regenerated.
1016 2003-11-04 David Edelsohn <edelsohn@gnu.org>
1018 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
1019 (_LARGE_FILE_API): Define for AIX.
1020 * mf-hooks[123]: Same.
1021 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
1023 2003-10-21 David Edelsohn <edelsohn@gnu.org>
1025 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
1027 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
1029 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1031 * configure.in: Update check for union semun.
1033 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1036 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
1038 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
1041 * configure.in: Add checks for 64-bit LFS functions, struct semun
1042 definition, for BSD compatibility.
1043 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
1044 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
1045 * mf-hooks3.c: Ditto.
1046 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
1048 * configure, config.h.in: Regenerated.
1050 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
1052 Multithreading fixes:
1053 * mf-runtime.c (__mf_object): Store allocating/deallocating
1055 (options): Support new "-thread-stack" option.
1056 Rename "-heur-argv-environ" option to "-heur-stdlib".
1057 Disable "-lc-mask" and "-lc-shift" options.
1058 (__mf_dynamic): Add function pointers for pthread_join/_exit.
1059 (__assert_fail): New self-contained function for glibc.
1060 * mf-hooks3.c: Essentially rewritten, particularly related to
1061 use of __mf_pthread_info array.
1062 (pthread_join, _exit): New hook functions.
1063 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
1064 * testsuite/libmudflap.cth/pass40-frag.c: New test.
1067 * mf-heuristics.c: Add type casts for tracing, sub calls.
1068 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
1069 Update all callers to declare explicit result holder.
1070 (END_PROTECT): Removed.
1071 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
1073 2003-07-15 Diego Novillo <dnovillo@redhat.com>
1075 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
1076 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1077 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1079 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
1081 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
1082 * mf-hooks: Removed.
1083 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
1084 Move these macros from old mf-hooks.c here.
1085 * Makefile.am: Adapt to split-up hook sources for faster builds.
1086 * Makefile.in: Regenerated.
1088 * mf-heuristics.c: Remove #if-0 block.
1090 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
1091 (__mf_starting_p): New state only for use while dlsym bootstrapping.
1092 (CALL_REAL, __mf_init): Corresponding changes.
1093 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
1094 all callers to remove redundant "mf:" prefix.
1095 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
1096 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
1097 (__mf_pthread_info): Become a hash table.
1099 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
1100 "dg-repetitions" directives to control test case execution.
1101 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
1103 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
1105 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
1107 * mf-hooks.c (alloca): Separate into stub.
1108 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
1109 malloc/free for alloca blocks.
1110 (pthread_create): Tolerate failing pthread_attr_get* calls.
1111 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
1112 * mf-impl.h (CALL_WRAP): Remove macro.
1113 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
1114 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
1115 padding for ia64 BIT_FIELD_REF constructs.
1117 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
1119 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
1120 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
1121 libmudflap object type.
1122 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
1123 crashes on unregistering STATIC objects.
1125 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
1127 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
1128 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
1129 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
1130 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
1131 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
1132 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
1133 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
1134 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
1135 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
1136 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
1137 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
1138 (accept, bind, connect, gethostname, sethostname): New hooks.
1139 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
1140 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
1141 (semop, semctl, shmctl, shmat, shmdt): New hooks.
1142 * mf-runtime.h.in: Corresponding changes.
1143 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
1144 (opts) Rename heur_argv_environ to heur_std_data.
1145 (__mf_wrap_main): Use STATIC type for argv/environ strings.
1146 * Makefile.am: Corresponding changes.
1147 * Makefile.in: Regenerated.
1149 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
1151 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
1152 heuristic for threaded case, and for non-x86-linux targets.
1153 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
1154 for use during pre-main() program startup.
1155 (__mf_0fn_*): Make these functions non-static.
1156 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
1158 * mf-runtime.c (__mf_state): Set initial state to "starting".
1159 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
1160 (__wrap_main): New function to register argv[] and environ[] strings.
1161 (__mf_ini): Call it.
1162 (*): In all trace functions, use "%p" as formatter for uintptr_t.
1164 * testsuite/libmudflap.c/pass38-frag.c: New test case.
1165 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
1167 * acinclude.m4: Add comments with aoliva's concerns about x86_64
1169 * aclocal.m4, configure: Regenerated.
1171 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
1173 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
1174 * aclocal.m4, configure: Regenerated.
1176 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
1178 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
1179 for x86_64 target. Disable caching for this value.
1180 * aclocal.m4, configure: Regenerated.
1182 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
1184 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
1185 is about to become deprecated, and its present handling bugs are
1188 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
1190 * testsuite/libmudflap.c/pass38-frag.c: New test for
1193 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1195 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
1196 __mf_report, asserting reentrant calling context.
1198 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1200 * mf-hooks.c (realloc): Correct reentrancy logic.
1201 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
1203 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
1205 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
1206 PTHREAD_THREADS_MAX. Update users.
1207 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
1209 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
1210 with libmudflapth presence indicator.
1211 * testsuite/Makefile.in: Regenerated.
1213 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
1215 * Makefile.am (AM_CFLAGS): Remove "-ansi".
1216 * configure.in: Remove silly no-pthreads => no-shared logic.
1217 * Makefile.in, configure: Regenerated.
1218 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
1219 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
1220 code. Count reentrancy events.
1221 (all hook functions): Don't directly manipulate __mf_state variable.
1222 Add TRACE calls to hook functions without them.
1223 * mf-impl.h (LOCKTH): Try to count lock contention events.
1224 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
1225 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
1226 Reorganize reentrancy code.
1227 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
1228 identify reentrancy with mutex holding times.
1229 (internal __mfu_ entry points): Remove internal reentrancy code.
1230 (__mf_init): Use ordinary locked calls.
1231 (__mfu_report): Print the two new counts.
1232 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
1233 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
1234 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
1235 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
1238 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
1240 * configure.in: Add pthread support, plus glibc and porting hacks.
1241 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
1242 from objects built into ./pth/.
1243 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
1244 functions for internal entry points. Update callers to pick
1245 locked vs. unlocked variants.
1246 (__mf_resolve_single_dynamic): Extend to support symbol versioning
1247 info coming in from a static data structure.
1248 (*): Reorder miscellaneous declarations to group data vs functions.
1249 (__mf_set_default_options): Simplify.
1250 (__mf_usage): Mention threading status of host executable.
1251 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
1252 decls to match above.
1253 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
1254 * mf-heuristics.c: Choose between locked/unlocked calls. Add
1255 some lock/unlock markers. Remove some unused code.
1257 (pthread_create): New hook function.
1258 (__mf_pthread_cleanup, _spawner): New helper functions.
1259 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
1261 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
1263 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
1265 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
1267 * Makefile.am (HOOKOBJS): Add *time related hooks.
1268 * configure.in: Look for pthreads.h header.
1269 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
1270 * mf-runtime.c: Begin sketching some pthreads support.
1271 (__mf_usage): Check for -lpthread presence.
1272 (__mf_unregister): Confirm matching unregistration base.
1273 (__mf_find_objects_rec): Reduce unnecessary recursion.
1274 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
1275 #defines for new hook functions.
1276 * mf-impl.h: Corresponding changes.
1277 * config.h.in, configure, Makefile.in: Regenerated.
1279 2002-04-27 Diego Novillo <dnovillo@redhat.com>
1281 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
1282 modifiers to prevent being optimized away.
1283 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
1284 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1285 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
1286 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1287 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
1288 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
1289 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
1291 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1293 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1294 * configure.in: Look for uintptr_t and -ldl on target.
1295 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1296 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1297 * testsuite/Makefile.in: Regenerated.
1298 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1299 for better C compliance.
1301 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1303 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1305 * mf-runtime.c (__mf_set_default_options): Turn off
1306 check-initialization.
1307 (__mf_describe_object): Shorten description.
1308 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1310 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
1312 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1314 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
1316 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1318 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1319 * mf-impl.h (CALL_BACKUP): New macros.
1320 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1322 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
1324 * Makefile.am (AM_CFLAGS): Remove optimization flags.
1325 (HOOKOBJS): Remove dlopen hook.
1326 (libmudflap_la_LIBADD): Add -ldl.
1327 * mf-hooks.c (dlopen): Remove hook.
1328 * mf-impl.h (__mf_dynamic): Ditto.
1329 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1330 * Makefile.in: Regenerated.
1332 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
1334 * configure.in: Check for target gettimeofday, signal, some headers.
1335 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
1336 out inop multi_threaded field.
1337 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1338 (__mf_set_options): Correct handling of "-help".
1339 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1340 (__mf_check, __mf_register, __mf_unregister): Call it.
1341 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1342 (__mf_report_leaks): Make callable
1343 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
1344 distribution statistics.
1345 (__mf_adapt_cache): Rewrite shift guessing logic based on address
1347 * config.h.in, configure: Regenerated.
1348 * testsuite/libmudflap.c/fail27-frag.c: New test.
1349 * testsuite/libmudflap.c/pass36-frag.c: New test.
1351 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
1353 * mf-runtime.h.in: Tweak.
1354 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1355 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1356 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1358 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1360 * configure.in: Tweak generation of mf-runtime.h some more. It
1361 needs to work from both config.status and configure.
1362 * configure: Regenerated.
1364 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1366 * Makefile.am: Reorganize hook file building. Add auto dependencies.
1367 * configure.in: Tweak generation of mf-runtime.h.
1368 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1369 * mf-hooks.c (*): Adapt to initialized-heap object type.
1370 * mf-impl.h: Tweak cemetary boundaries.
1371 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1373 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1374 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1375 * testsuite/lib/libmudflap.exp (includes): Include build tree.
1376 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1378 * testsuite/.../fail{25,26}-frag.c: New tests.
1379 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1380 * Makefile.in, configure: Regenerated.
1382 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1384 * mf-runtime.c (__mf_set_default_options): Turn on initialization
1385 checking by default.
1386 (__mf_insert_new_object): As a temporary hack, assume that new
1387 objects registered on the stack start out initialized.
1388 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1389 heap objects by hand.
1391 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1393 Switch to macro-style hooks for str*/mem*/b* functions.
1394 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1395 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1396 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1397 (__mf_set_default_options): Turn off heur_proc_map.
1398 (*): Adapt to to macro-style hook functions.
1399 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1400 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1401 (__mf_violation): Handle __MF_VIOL_WATCH.
1402 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1403 (__mf_dynamic): Removed mem*/str*/b* functions.
1404 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1405 (WRAPPER2): New macro for macro-style hooks.
1406 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1408 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1409 * mf-heuristics.c: Adapt to macro-style hook functions.
1410 Correct some comments.
1411 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1412 output pattern tests.
1413 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1414 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1416 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1418 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1419 for global array registration.
1420 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1421 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1423 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1425 * Makefile.am: Add gross make bug workarounds. Tweaked
1426 SUBDIRS and AM_CFLAGS.
1427 * Makefile.in: Regenerated.
1429 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1432 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1433 * Makefile.am (TESTS): Remove simple automake testing.
1434 * configure, Makefile.in: Regenerated.
1435 (SUBDIRS): Include new testsuite/ directory.
1436 * tests/*: Removed all files; moved bulk under:
1437 * testsuite/*: New subdirectory tree.
1438 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1439 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1440 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1441 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1442 * testsuite/config/default.exp: New file.
1443 * testsuite/Makefile.am, Makefile.in: New files.
1445 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1447 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1448 (TESTS): Add fail22 and pass29 tests.
1449 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1450 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1451 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1452 values. Move __MF_VIOL* here.
1453 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1454 (check_initialization): New field in __mf_opts. Default off.
1455 (read_count,write_count): New fields in __mf_object.
1456 (__mf_check): Implement basic initialization checking.
1457 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1458 (__mf_describe_object): Print new fields.
1459 (__mf_violation): Identify check/read vs. check/write in messages.
1460 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1461 "-check-initialized" mudflap option.
1462 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1463 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1464 Drop __FILE__/__LINE__ hack. Update callers.
1465 (*): Adapt to new mf-runtime.h API.
1466 * Makefile.in: regenerated.
1468 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1470 * configure.in: Build mf-runtime.h a more proper way.
1471 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1472 * mf-runtime.c (verbose_violations): Turn on by default.
1473 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1474 * mf-impl.h: ... and move it here.
1475 * configure: Regenerated.
1477 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1479 * configure.in: Look for C++ compiler.
1480 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1481 fixed type warnings when built with C++.
1482 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1483 * Makefile.am (TESTS): Run them.
1484 (*) Add new rules for building and running C++ tests.
1485 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1486 * mf-runtime.h.in: Protect with extern "C".
1487 * Makefile, configure: Regenerated.
1489 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1491 Portability improvements.
1492 * configure.in: Look for glibc backtrace headers/functions.
1493 * mf-hooks.c: Don't include <execinfo.h> any more.
1494 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1496 (__mf_backtrace): Provide alternate baby implementation in
1498 * test/mf-driver.c: Portability tweaks.
1499 * acinclude.m4: New file, containing top level libtool.m4.
1500 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1502 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1504 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1506 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1508 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1510 (__mf_unregister): Implement stack/heap object wiping.
1511 (__mf_set_options): Renamed from __mf_process_opts.
1512 (__mf_uncache_object): Change arg type, correct callers.
1513 * mf-impl.h: Corresponding changes.
1514 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1515 * mf-runtime.h.in (__mf_set_options): Extend public API.
1516 * test/pass26-frag.c: New test for stack wiping.
1517 * Makefile.am (TESTS): Run it.
1518 * Makefile.in: Regenerated.
1520 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1522 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1523 * mf-runtime.c (__mf_object_t): Add watching_p field.
1524 (__mf_watch_or_not): New function to implement
1525 object watch flagging.
1526 (__mf_watch, __mf_unwatch): New wrappers for above.
1527 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1528 (__mf_count_violation): Enlarge array.
1529 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1530 unlink object. Clear cache properly.
1531 (__mf_unregister): Unlink object explicitly before uncaching.
1532 * test/fail21-frag.c, pass25-frag.c: New tests.
1533 * Makefile.in, aclocal.m4: Regenerated.
1535 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1537 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1538 * Makefile.am (TESTS): Add it.
1539 * test/pass-stratcliff.c: Add decls of stpcpy.
1540 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1541 build tree from config.h and new file mf-runtime.h.in.
1542 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1543 * Makefile.in, configure, config.h.in: Regenerated.
1544 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1545 * mf-runtime.c (options, __mf_set_default_options): Support new
1546 default "abbreviate" option.
1547 (__mf_object.description_epoch): New field.
1548 (__mf_describe_object): Conditionally abbreviate objects already
1549 displayed in current epoch. Accept NULL input to increment epoch.
1550 (__mf_fini, __mf_ini): Reset description epoch.
1551 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1552 that NULL pointer slot in lookup cache is invalidated. Register a
1553 NOACCESS region around NULL.
1554 * mf-impl.h: Corresponding changes.
1556 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1558 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1559 * Makefile.am: Run them. Install mf-runtime.h.
1560 * Makefile.in: Regenerated.
1561 * mf-hooks.c: Add some markers for more missing functions.
1562 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1563 statistic to tune tune cache size (mask).
1565 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1567 * test/pass23-frag.c: New test for bit_field_ref expressions.
1568 * Makefile.am, Makefile.in: Add new test.
1569 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1570 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1571 * mf-runtime.c (__mf_init): Register errno global.
1572 (__mf_find_object): Removed function.
1573 (__mf_check): Rewrite logic to support accesses across some
1574 contiguous but distinctly registered objects.
1575 (__mf_remove_old_object): Tolerate cache entries that span
1578 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1580 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1581 * Makefile.am, Makefile.in: Run new tests.
1582 * mf-hooks.c (alloca): Correct stack direction logic.
1584 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1586 * mf-impl.h (adapt_cache): New option.
1587 * mf-runtime.c (__mf_set_default_options): Set its default value.
1588 Tweak the tree_aging parameter down.
1589 (__mf_check): Maintain separate counter for cache-adaptation.
1590 (__mf_tree_analyze): New function to collect object tree stats.
1591 (__mf_adapt_cache): New function to automate cache parameters.
1593 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1595 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1596 hypothetical #if-0'd argv/envp region registration.
1597 * mf-runtime.c (__mf_init): Add kludged form of above.
1598 (*) Add "heur_argv_environ" flag, default on, to govern this.
1599 * mf-impl.h: Corresponding changes.
1601 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1603 * test/fail18-frag.c: New test file for NOACCESS regions.
1604 * Makefile.am (TESTS): Add new test.
1605 * Makefile.in: Regenerated.
1607 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1608 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1609 (optimize_object_tree): Remove unused mudflap_option.
1610 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1611 support throughout. Use .._MAX_CEM for cemetary upper bound.
1612 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1614 (__mf_object): Add new liveness field for use by tree aging.
1615 (__mf_check): Trigger tree aging when needed.
1616 (__mf_age_tree): New function to decay liveness field.
1617 (__mf_find_objects_rec): Use liveness field to rotate tree.
1618 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1619 (__mf_unregister): Ditto.
1620 (__mf_register): Tweak duplicate-static message.
1621 (__mf_violation: Tweak nearby-object counter printing.
1623 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1625 * test/pass20-frag.c: New test file.
1626 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1627 * Makefile.in: Regenerated.
1629 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1630 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1631 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1632 entries to avoid repeat registration.
1633 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1634 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1636 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1638 * Makefile.am: Create test sources with #include, not cat>>.
1639 * Makefile.in: Regenerated.
1640 * test/buildtest.sh: Removed.
1641 * test/driver.c (abort_handler, main): Be quiet.
1643 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1645 * test/pass18-frag.c, pass19-frag.c: New tests.
1646 * Makefile.am (check): Run them. Rebuild test programs each time.
1647 * Makefile.in: Regenerated.
1649 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1651 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1652 overlapping object search.
1653 (__mf_violation): Likewise for nearby objects.
1654 Improve nearby-object listing.
1657 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1658 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1660 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1663 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1664 (HOOKOBJS): Add alloca-hook.o.
1665 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1667 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1668 (__mf_backtrace): Reimplement without using alloca.
1669 * Makefile.in: Regenerated.
1672 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1673 Correct signedness bugs in length-tracking variables.
1674 * mf-impl.h: Make options unsigned.
1675 (CALL_WRAP): New macro to parallel CALL_REAL().
1676 (DECLARE): Remove erroneous ";" at end.
1677 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1678 formatting specs with %08lx. Correct several compiler warnings.
1680 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1682 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1684 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1686 libmudflap hook breakup:
1687 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1689 (TESTS): Make dependent on libmudflap.
1690 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1691 compiled from segments of mf-hooks.c.
1692 * mf-hooks.c: Corresponding changes: wrap each function in
1694 * Makefile.in: Regenerated.
1696 Heuristics reorganization:
1697 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1698 Remove these functions. Update callers.
1699 (__mf_heuristic_check): Incorporate all the various heuristics.
1700 Encode cacheability/retry judgement into trinary return value.
1701 Separate start-end logic into a separate fallback heuristic. Only
1702 register relevant /proc/self/map segments.
1703 * mf-impl.h: Corresponding changes.
1704 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1705 (__mf_init): Don't call __mf_init_heuristics.
1708 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1709 "-verbose-trace" to emit all tracing messages other than those of
1710 basic public api. Eliminate some duplicate/excessive messages.
1711 * mf-runtime.h: Corresponding changes.
1713 2002-08-27 Graydon Hoare <graydon@redhat.com>
1715 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1716 and __real when compiled with -DPIC.
1717 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1718 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1719 * Makefile.in: Regenerate.
1721 2002-08-26 Graydon Hoare <graydon@redhat.com>
1723 * mf-impl.h: New file, private implementation header.
1724 * mf-runtime.h: Reorganize a bit.
1725 (CLAMPSZ): Fix arithmetic.
1726 (__MF_CACHE_MISS_P): Fix arithmetic.
1727 * mf-runtime.c: Reorganize a bit.
1728 (__mf_dynamic): New structure.
1729 (resolve_single_dynamic): New function.
1730 (__mf_resolve_dynamics): New function.
1731 (__mf_init): Initialize dynamic wrappers.
1732 * mf-hooks.c: Macro-ize __real calls.
1733 Clamp various bits of arithmetic.
1734 Add explicit __mf_check call contexts.
1735 * Makefile.am: Add dependencies on mf-impl.h
1736 * Makefile.in: Regenerate.
1737 * configure.in: Comment out shared override.
1738 * configure: Regenerate.
1740 2002-08-22 Graydon Hoare <graydon@redhat.com>
1742 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1743 (__mf_check): Re-inialize and check heuristics before violation.
1744 (__mf_register): Permit updating pure-guess regions.
1745 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1746 (__wrap_dlopen): New wrapper function.
1747 (__wrap_mmap): New wrapper function.
1748 (__wrap_munmap): New wrapper function.
1749 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1750 which are not stack addresses.
1751 (is_stack_address): New function.
1752 (__mf_init_heuristics): Save and restore state, always initialize with
1755 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1757 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1758 error. Pass location string.
1759 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1760 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1761 (__mf_process_opts): Apply some sanity checking for lc-mask.
1762 (__mf_check, __mf_violation): Take new location-string argument.
1763 Update callers to pass NULL if necessary.
1764 (__mf_backtrace): New smart backtracer function. Calls replace
1765 several ad-hoc blocks elsewhere.
1766 (__mf_describe_object): Remove bad reentrancy test. Improve
1768 * mf-runtime.h: Corresponding changes. Public/private markup.
1769 (__MF_CACHE_MISS_P): New macro.
1771 2002-08-20 Graydon Hoare <graydon@redhat.com>
1773 * mf-runtime.h: New option: stack_bound (heuristic).
1774 Move some macros out of implementation files.
1775 * mf-runtime.c: New option string: -stack-bound.
1776 Unify recursion protection with hooks.
1778 (__mf_check): Call __mf_heuristic_check.
1779 (__mf_process_opts): Fix "no-" processing.
1780 * mf-heuristics.c (__mf_heuristic_check): New function.
1781 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1783 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1785 Option parsing improvements, region splitting bug fixes:
1786 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1787 * mf-runtime.h (heur_proc_map): New libmudflap option.
1788 * mf-runtime.c (__mf_set_default_options): Set it.
1789 (__mf_usage): Print default values/status.
1790 (__mf_process_opts): Support general "no-" option string prefix.
1791 (__mf_init): Print __mf_usage on unknown-option error.
1792 (__mf_register): Print trace message up front.
1793 Correct region splitting logic for case where a subregion disappears.
1794 Correct memory leak.
1795 (__mf_violation): Make even basic message conditional on option.
1798 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1799 (clean-local): New target.
1800 (test/*x rules): Add -g CFLAGS.
1801 (CFLAGS): Add -freorder-blocks.
1802 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1803 * Makefile.in: Regenerated.
1804 * Makefile, mf-config.h: Removed files.
1806 2002-08-16 Graydon Hoare <graydon@redhat.com>
1808 * mf-runtime.c (__mf_insert_new_object): Factor out of
1810 (__mf_remove_old_object): Factor out of __mf_unregister.
1811 (__mf_register): Handle guessed regions, splitting
1812 guesses when new registrations arrive.
1813 (__mf_unregister): Do not unregister guesses.
1814 * mf-runtime.h: Move convenience macros around,
1815 declare new option fields. Add __MF_TYPE_GUESS.
1816 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1817 (__wrap_free): Call __real_free for deferred frees.
1818 * Makefile.am: Add more tests, fix dependency.
1819 * Makefile.in: Regenerate.
1820 * test/pass[13..17]-frag.c: New testcases.
1821 * test/fail[13..17]-frag.c: New testcases.
1823 2002-08-15 Graydon Hoare <graydon@redhat.com>
1825 * mf-heuristics.c: New file.
1826 * mf-runtime.c (options): Add -trace-calls option.
1827 (__mf_init): Call __mf_init_heuristics.
1829 2002-08-14 Graydon Hoare <graydon@redhat.com>
1831 * Makefile.am (TESTS): Add testsuite support.
1832 * Makefile.in: Regenerate.
1833 * test/mf-driver.c: New file.
1834 * test/buildtest.sh: New file.
1835 * test/passNN-frag.c: New testcases.
1836 * test/failNN-frag.c: New testcases.
1838 2002-08-14 Graydon Hoare <graydon@redhat.com>
1840 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1841 verifying non-size-limited string extents.
1843 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1845 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1846 instead of plain str[n]len for internal checks.
1847 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1849 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1851 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1853 2002-08-13 Graydon Hoare <graydon@redhat.com>
1855 * mf-runtime.c: Rework configuration to operate on
1856 environment variable options rather than #defines
1857 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1858 (__mf_init): Set static __mf_active_p flag on startup,
1859 to inhibit mudflap wrap-based checking during crt0.s.
1860 * mf-runtime.h: Declare options structure.
1861 * mf-hooks.c: New wrappings for mem*, b*, str*
1862 libc functions (temporarily #if 0-ed out).
1864 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1866 * Makefile.am, configure.in: New files.
1867 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1868 * stamp-h.in, aclocal.m4: Ditto.
1870 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1872 * Makefile: New file.
1873 * mf-config.h: New file: runtime configuration.
1874 * mf-hooks.c: New file: interposed libc functions.
1875 * mf-runtime.c: New file: bulk of runtime.
1876 * mf-runtime.h: New file: public functions.
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