1 2010-05-16 Uros Bizjak <ubizjak@gmail.com>
3 * testsuite/libmudflap.c/pass46-frag.c (dg-options): Remove -Wall.
5 2010-05-15 Uros Bizjak <ubizjak@gmail.com>
7 * testsuite/lib/mfdg.exp (additional_prunes): New global.
8 (dg-test): Clear additional_prunes before test is run.
9 (dg-prune-output): New procedure.
10 * testsuite/lib/libmudflap.exp (libmudflap-dg-test): Do not call
12 (libmudflap-dg-prune): New procedure.
13 * testsuite/libmudflap.c++/pass57-frag.cxx (dg-prune-output):
16 2010-05-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
19 * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
20 * Makefile.in: Regenerate.
21 * testsuite/Makefile.in: Regenerate.
23 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
25 * Makefile.in: Regenerate.
26 * aclocal.m4: Regenerate.
27 * testsuite/Makefile.in: Regenerate.
29 2010-03-15 David S. Miller <davem@davemloft.net>
31 * testsuite/libmudflap.c/pass54-frag.c: Add explicit return from
34 2010-01-09 Jakub Jelinek <jakub@redhat.com>
36 * mf-runtime.c (__mf_usage): Update copyright notice dates.
38 2009-12-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
40 * Makefile.in: Regenerate.
41 * configure: Regenerate.
42 * testsuite/Makefile.in: Regenerate.
44 2009-09-22 Frank Ch. Eigler <fche@redhat.com>
47 * mf-runtime.c (__mf_init): Ignore $MUDFLAP_OPTIONS if
48 running setuid or setgid.
50 2009-09-01 Loren J. Rittle <ljrittle@acm.org>
52 * mf-runtime.c (__mf_init): Support FreeBSD.
53 Prime mutex which calls calloc upon first lock to avoid deadlock.
54 * mf-hooks1.c (__mf_0fn_mmap): Support FreeBSD.
55 Ignore red zone allocation request for initial thread's stack.
57 2009-09-01 Loren J. Rittle <ljrittle@acm.org>
58 Andreas Schwab <schwab@linux-m68k.org>
60 * testsuite/libmudflap.c/pass51-frag.c (MAP_FAILED): Define,
61 if not in system header; use it. On FreeBSD, must pass fd==-1
62 with MAP_ANON flag. Correct mmap error check.
63 * testsuite/libmudflap.c/fail40-frag.c: Ditto.
65 2009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
67 * configure.ac (AC_PREREQ): Bump to 2.64.
69 2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
71 * Makefile.am (install-html, install-pdf): Remove.
72 * Makefile.in: Regenerate.
74 * Makefile.in: Regenerate.
75 * aclocal.m4: Regenerate.
76 * config.h.in: Regenerate.
77 * configure: Regenerate.
78 * testsuite/Makefile.in: Regenerate.
80 2009-07-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
82 * configure.ac (_AC_ARG_VAR_PRECIOUS): Use m4_rename_force.
84 2009-07-16 Joseph Myers <joseph@codesourcery.com>
86 * configure: Regenerate.
88 2009-07-11 Richard Sandiford <rdsandiford@googlemail.com>
93 * testsuite/lib/libmudflap.exp: Revert 2009-06-30 commit.
95 2009-07-01 Richard Guenther <rguenther@suse.de>
97 PR tree-optimization/19831
98 * testsuite/libmudflap.c/fail11-frag.c: Make allocated memory
100 * testsuite/libmudflap.c/fail12-frag.c: Likewise.
101 * testsuite/libmudflap.c/fail16-frag.c: Likewise.
102 * testsuite/libmudflap.c/fail31-frag.c: Likewise.
104 2009-06-30 Richard Sandiford <r.sandiford@uk.ibm.com>
106 * testsuite/lib/libmudflap.exp (libmudflap-init): Don't add "."
107 to ld_library_path. Use add_path. Add just find_libgcc_s to
108 ld_library_path, not every libgcc multilib directory.
110 2009-04-09 Nick Clifton <nickc@redhat.com>
112 * mf-hooks1.c: Change copyright header to refer to version 3
113 of the GNU General Public License with version 3.1 of the GCC
114 Runtime Library Exception and to point readers at the COPYING3
115 and COPYING3.RUNTIME files and the FSF's license web page.
116 * mf-heuristics.c: Likewise.
117 * mf-hooks2.c: Likewise.
118 * mf-hooks3.c: Likewise.
119 * mf-impl.h: Likewise.
120 * mf-runtime.c: Likewise.
121 * mf-runtime.h: Likewise.
123 2009-04-09 Jakub Jelinek <jakub@redhat.com>
125 * testsuite/lib/mfdg.exp: Change copyright header to refer to
126 version 3 of the GNU General Public License and to point readers
127 at the COPYING3 file and the FSF's license web page.
128 * testsuite/lib/libmudflap.exp: Likewise.
130 2009-03-31 Ben Elliston <bje@au.ibm.com>
133 * testsuite/libmudflap.c/fail27-frag.c: Match `mudflap dead
134 object', not `mudflap object'.
136 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
138 * configure: Regenerate.
140 2009-02-03 Jakub Jelinek <jakub@redhat.com>
142 * mf-runtime.c (__mf_usage): Update copyright notice dates.
144 2009-01-23 Jie Zhang <jie.zhang@analog.com>
146 * mf-impl.h (__mf_get_state, __mf_set_state): Don't use
147 __thread when TLS support is emulated.
148 * mf-hooks3.c (__mf_get_state, __mf_set_state): Likewise.
149 * mf-runtime.c (__mf_state_1): Likewise.
150 * configure.ac: Use GCC_CHECK_EMUTLS.
151 * configure: Regenerate.
152 * config.h.in: Regenerate.
154 2008-12-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
156 * configure: Regenerate.
158 2008-11-26 Janis Johnson <janis187@us.ibm.com>
161 * testsuite/lib/mfdg.exp (dg-test): Use new timeout support.
162 (dg-timeout): Remove.
163 (standard-wait): Remove.
164 * testsuite/lib/libmudflap.exp: Include new timeout library files.
165 (libmudflap_target_compile): Set timeout value from new proc.
167 2008-11-10 Jakub Jelinek <jakub@redhat.com>
170 * testsuite/libmudflap.c/pass67-frag.c: New test.
172 2008-10-09 Jakub Jelinek <jakub@redhat.com>
175 * testsuite/libmudflap.c++/pass66-frag.cxx: New test.
177 2008-09-26 Peter O'Gorman <pogma@thewrittenword.com>
178 Steve Ellcey <sje@cup.hp.com>
180 * configure: Regenerate for new libtool.
181 * Makefile.in: Ditto.
182 * testsuite/Makefile.in: Ditto.
184 2008-09-15 Jakub Jelinek <jakub@redhat.com>
187 * testsuite/libmudflap.c/pass64-frag.c: New test.
189 2008-06-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
191 * Makefile.in: Regenerate.
192 * config.h.in: Regenerate.
193 * configure: Regenerate.
194 * testsuite/Makefile.in: Regenerate.
196 2008-04-18 Paolo Bonzini <bonzini@gnu.org>
199 * aclocal.m4: Regenerate.
200 * configure: Regenerate.
202 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
204 * testsuite/libmudflap.c/pass63-frag.c: New test.
206 2008-03-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
208 * aclocal.m4: Regenerate.
209 * configure: Likewise.
210 * Makefile.in: Likewise.
211 * testsuite/Makefile.in: Likewise.
213 2008-03-02 Jakub Jelinek <jakub@redhat.com>
215 * mf-runtime.c (__mf_usage): Update copyright notice dates.
217 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
219 * testsuite/libmudflap.c/fail8-frag.c: Adjust scan pattern for
221 * testsuite/libmudflap.c/fail9-frag.c: Ditto.
223 2008-01-24 David Edelsohn <edelsohn@gnu.org>
225 * configure: Regenerate.
227 2008-01-05 Jakub Jelinek <jakub@redhat.com>
229 PR tree-optimization/34618
230 * testsuite/libmudflap.c/pass62-frag.c: New test.
232 2008-01-03 Jakub Jelinek <jakub@redhat.com>
235 * testsuite/libmudflap.c++/pass61-frag.cxx: New test.
237 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
240 * testsuite/libmudflap.c++/pass60-frag.cxx: New test.
242 2007-10-15 Maciej W. Rozycki <macro@linux-mips.org>
244 * configure: Regenerate following changes to ../config/tls.m4.
246 2007-07-26 Tom Tromey <tromey@redhat.com>
248 * Makefile.in: Rebuilt.
249 * Makefile.am (clean-local): Removed.
250 (pth/mf-runtime.lo, pth/mf-heuristics.lo, pth/mf-hooks1.lo,
251 pth/mf-hooks2.lo, pth/mf-hooks3.lo): Likewise.
252 (libmudflapth_la_SOURCES): List sources.
253 (libmudflapth_la_LIBADD): Clear.
254 (libmudflapth_la_CFLAGS): New variable.
256 2007-07-05 H.J. Lu <hongjiu.lu@intel.com>
258 * aclocal.m4: Regenerated.
260 2007-06-02 Paolo Bonzini <bonzini@gnu.org>
262 * configure: Regenerate.
264 2007-05-31 Frank Ch. Eigler <fche@redhat.com>
266 From Andi Kleen <ak@suse.de>:
267 * mf-runtime.c (options): Rename structure for compatibility with
270 2007-05-23 Steve Ellcey <sje@cup.hp.com>
272 * Makefile.in: Regenerate.
273 * configure: Regenerate.
274 * aclocal.m4: Regenerate.
275 * testsuite/Makefile.in: Regenerate.
277 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
279 * testsuite/libmudflap.cth/pass59-frag.c (main): Fix casting of arg.
281 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
283 * Makefile.am: Add dummy install-pdf target.
284 * Makefile.in: Regenerate
286 2007-02-07 Jakub Jelinek <jakub@redhat.com>
289 * configure: Regenerate.
291 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
293 * configure: Regenerate.
295 2006-11-13 Daniel Jacobowitz <dan@codesourcery.com>
297 * configure: Regenerated.
299 2006-11-10 Frank Ch. Eigler <fche@redhat.com>
302 * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
303 static but not function scope static.
304 (free): Skip deallocation attempts for objects placed into
306 * testsuite/libmudflap.cth/pass59-frag.c: New test.
308 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
310 From Herman ten Brugge <hermantenbrugge@home.nl>:
311 * mf-runtime.c (__mf_uncache_object): Optimize the code so that
312 small and large objects are handled a lot faster.
314 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
316 * configure.ac (__libc_freeres): Look for it.
317 * mf-impl.h (call_libc_freeres): New configuration flag.
318 * mf-runtime.c (__mf_set_default_options): Set it by default.
319 (__mfu_report): Call it if needed.
320 (__mfu_unregister): Remove "unaccessed registered object" warning.
321 * configure, config.h.in: Regenerated.
323 2006-09-18 Tom Tromey <tromey@redhat.com>
325 * configure: Rebuilt.
327 2006-06-21 Frank Ch. Eigler <fche@redhat.com>
330 mf-runtime.h installation based on ssp patch for PR 26473 from
331 Mark Mitchell <mark@codesourcery.com>.
332 * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
333 * Makefile.am (target_noncanonical): Define.
334 (libsubincludedir): New variable.
335 (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
336 (include_HEADERS): Remove.
337 * configure, aclocal.m4, config.h.in: Regenerated.
338 * Makefile.in, testsuite/Makefile.in: Likewise.
339 * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
340 and _THREAD_SAFE redefinition values.
342 2006-05-23 Carlos O'Donell <carlos@codesourcery.com>
344 * Makefile.am: Add install-html target. Add install-html to .PHONY
345 * Makefile.in: Regenerate.
347 2006-04-19 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
350 * testsuite/libmudflap.c++/error1-frag.cxx: New test.
353 * testsuite/libmudflap.c++/error2-frag.cxx: New test.
355 2006-04-10 Matthias Klose <doko@debian.org>
357 * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
358 directory names containing underscores.
360 2005-11-22 Janis Johnson <janis187@us.ibm.com>
362 * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
363 MUDFLAP_FLAGS if static library not supported.
364 * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
365 * testsuite/libmudflap.c/externs.exp: Ditto.
366 * testsuite/libmudflap.c++/ctors.exp: Ditto.
367 * testsuite/libmudflap.c++/c++frags.exp: Ditto.
368 * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
370 2005-10-04 James E Wilson <wilson@specifix.com>
372 * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
373 $name as array of characters with unknown bound. Also store into the
375 * configure: Regenerate.
377 2005-09-30 James E. Wilson <wilson@specifix.com>
379 * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
381 (target_thread_file): New. Set from sed'ed gcc output.
382 (posix_threads): New. Set from target_thread_file. Use instead of
384 (pthread_create_version): Move initialization before code using it.
385 * configure: Regenerate.
387 * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
390 2005-09-29 James E. Wilson <wilson@specifix.com>
392 * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
393 with HAVE_MMAP ifdef.
395 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
398 * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
400 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
402 * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
404 2005-09-23 Tom Tromey <tromey@redhat.com>
406 * aclocal.m4, configure: Rebuilt.
407 * configure.ac: Use GCC_CHECK_TLS.
408 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
411 2005-08-22 Jim Wilson <wilson@specifix.com>
413 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
414 __FreeBSD__ is defined.
416 2005-08-17 Jim Wilson <wilson@specifix.com>
418 * mf-hooks1.c (malloc, calloc, realloc, free,
419 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
420 the real routines, and END_MALLOC_PROTECT afterwards.
421 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
422 (BEGIN_PROTECT): Handle in_malloc state.
423 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
424 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
426 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
428 * All files: Update FSF address.
430 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
432 * mf-hooks3.c (main_seen_p): Remove.
433 (__mf_get_state): Remove attempt to recognize the main thread.
435 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
437 * configure.ac: Test for the name of the symbol used for the entry
438 point; define ENTRY_POINT to the result.
439 * configure: Regenerate.
440 * config.h.in: Regenerate.
441 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
443 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
445 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
446 (__mf_init): Set thread state active.
447 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
449 (pthread_create wrapper): Always use thread spawner.
451 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
452 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
454 2005-07-16 Richard Henderson <rth@redhat.com>
456 * acinclude.m4: New file.
457 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
458 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
459 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
460 (__mf_0fn_calloc): ... here.
461 * mf-hooks3.c (struct pthread_info): Remove.
462 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
463 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
464 (struct mf_thread_data): New.
465 (mf_thread_data, mf_thread_data_lock): New.
466 (__mf_allocate_blank_threadinfo): Remove.
467 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
469 (__mf_state_perthread): Remove.
470 (__mf_get_state, __mf_set_state): New.
471 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
472 Update mf_thread_data killing procedure.
473 (__mf_pthread_spawner): Similarly.
474 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
475 code to allocate thread stack space.
476 (__mf_0fn_pthread_join, pthread_join): Remove.
477 (__mf_0fn_pthread_exit, pthread_exit): Remove.
478 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
479 (__mf_state_1): Rename from __mf_state; use TLS when available.
480 (__mf_get_state, __mf_set_state): New. Update all users.
481 * mf-runtime.c (begin_recursion_protect1): New.
482 (BEGIN_RECURSION_PROTECT): Use it.
483 (__mf_state_1): Rename from __mf_state; use TLS when available.
484 (threads_active_p): Remove.
485 (__mf_usage): Compute it directly.
487 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
489 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
491 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
493 Fix for uncaching bug reported by Herman ten Brugge.
494 * mf-runtime.c (__mf_uncache_object): Search whole cache.
495 * testsuite/libmudflap.c/fail40-frag.c: New test.
497 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
500 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
501 * Makefile.in: Amend.
503 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
506 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
507 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
509 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
512 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
514 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
517 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
518 unsigned vars with #defines instead of enums.
520 2005-05-09 Mike Stump <mrs@apple.com>
522 * configure: Regenerate.
524 2005-04-12 Mike Stump <mrs@apple.com>
526 * configure: Regenerate.
528 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
531 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
532 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
534 2005-04-04 Alan Modra <amodra@bigpond.net.au>
536 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
538 2005-03-31 Mike Stump <mrs@apple.com>
540 * mf-runtime.h: Add libmudflap copyright clause.
542 2005-03-21 Mike Stump <mrs@apple.com>
544 * mf-heuristics.c: Fix whitespace at end of line.
545 * mf-hooks1.c: Likewise.
546 * mf-hooks2.c: Likewise.
547 * mf-hooks3.c: Likewise.
548 * mf-impl.h: Likewise.
549 * mf-runtime.c: Likewise.
550 * mf-runtime.h: Likewise.
552 2005-03-21 Zack Weinberg <zack@codesourcery.com>
554 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
555 In all substitutions, expand gcc_version in Makefile.
556 * aclocal.m4, configure: Regenerate.
557 * Makefile.am: Set gcc_version.
558 * Makefile.in, testsuite/Makefile.in: Regenerate.
560 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
562 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
563 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
565 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
568 * testsuite/libmudflap.c++/pass55-frag.c: New test.
570 2005-01-05 Richard Henderson <rth@redhat.com>
572 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
574 2005-01-02 Greg McGary <greg@mcgary.org>
576 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
577 * mf-runtime.h: New file, replaces mf-runtime.h.in.
578 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
579 * Makefile.in: Ditto.
580 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
581 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
582 * testsuite/libmudflap.c/fail36-frag.c: New test.
583 * testsuite/libmudflap.c/fail37-frag.c: New test.
584 * testsuite/libmudflap.c/fail38-frag.c: New test.
586 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
588 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
589 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
591 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
593 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
594 * aclocal.m4: Include ../config/gcc-version.m4.
595 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
597 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
599 * Makefile.am: Define ACLOCAL_AMFLAGS.
600 * acinclude.m4: Remove.
601 * stamp-h.in: Remove superfluous stamp file.
602 * aclocal.m4, configure, Makefile.in: Regenerate.
603 * testsuite/Makefile.in: Likewise.
605 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
607 * Makefile.am: Revert previous.
608 * acinclude.m4: Restore.
609 * aclocal.m4, configure, Makefile.in: Regenerate.
610 * testsuite/Makefile.in: Likewise.
612 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
614 * Makefile.am: Define ACLOCAL_AMFLAGS.
615 * acinclude.m4: Remove.
616 * aclocal.m4, configure, Makefile.in: Regenerate.
617 * testsuite/Makefile.in: Likewise.
619 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
621 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
623 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
625 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
626 * testsuite/Makefile.in: Likewise.
628 2004-11-01 Andreas Schwab <schwab@suse.de>
630 * configure.ac: (target_alias): Default to $host_alias, not
632 * configure: Regenerated.
634 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
636 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
637 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
640 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
643 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
645 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
647 * configure.ac: Check for more headers, functions.
648 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
649 tracking overridden FILE buffers.
650 (fopen, setvbuf): New/revised hook functions for buffer overriding.
651 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
652 (fflush): Accept given NULL stream (means "all streams").
654 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
656 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
657 (__mf_adapt_cache): Use them all.
658 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
659 * testsuite/libmudflap.c++/ctors.exp: Ditto.
660 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
661 * configure, config.h.in: Regenerated.
663 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
665 * configure.ac: Checking for sys/socket.h once is enough.
666 * configure: Regenerated.
668 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
670 * configure.ac: Look for more headers & functions.
671 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
672 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
673 * mf-runtime.c (options): Clean up integer signedness warnings.
674 (main): Add a declaration to fix a warning.
675 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
676 * configure, config.h.in: Regenerated.
678 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
680 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
681 New tests for proper base/limit checking for aggregates.
683 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
685 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
687 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
689 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
690 * mf-hooks2.c (strerror): Unregister previous string returned by
692 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
693 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
694 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
695 * mf-runtime.c (__mf_describe_object): Clarify object life status.
696 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
698 * configure, config.h.in: Regenerated.
700 2004-08-03 Dale Johannesen <dalej@apple.com>
702 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
704 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
706 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
707 simplified contents in all former callers.
709 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
711 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
712 the statically linked case.
714 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
716 * splay-tree.[ch]: Remove. Merge contents into ...
717 * mf-runtime.c: ... here, renaming symbols and making all functions
718 static. Remove unused min/max functions.
719 * Makefile.am: Forget about splay-tree.[ch].
720 * Makefile.in, testsuite/Makefile.in: Regenerated.
722 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
724 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
725 (__mfu_usage): Include (C) 2004.
726 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
727 here. Include a comment explaining why.
729 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
731 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
732 * mf-runtime.c (options): Give them a name.
733 (__mf_set_default_options): Set them.
734 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
735 (__mf_violation): Warning cleanup.
736 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
737 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
739 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
742 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
745 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
747 Test case for g++/15861
748 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
749 * testsuite/libmudflap.c++/ctors.exp: Driver.
750 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
751 Look only for *frag* test cases.
753 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
755 ANSI C conversion, libmudflap specialization, recursion limiting.
756 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
757 argument and indirection function pointers, update callers.
758 (splay_tree_s): Add statistics and recursion control fields
759 num_keys, max_depth, depth, rebalance_p.
760 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
761 Back out of search if it exceeds limit.
762 (splay_tree_splay): Manage recursion limiting with rebalancing as
764 (splay_tree_new): More initialization.
765 (splay_tree_rebalance): New function.
766 (splay_tree_foreach): Rewrite using nonrecursive logic.
767 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
768 Remove. Point indirect calls to mf-runtime.c's routines.
769 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
771 (splay_tree_delete, splay_tree_delete_helper): Ditto.
772 * testsuite/heap-scalestress.c: New test based on one from
773 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
775 2004-07-05 Matthias Klose <doko@debian.org>
777 * libtool-version: New.
778 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
779 Use -version-info for soname.
780 * Makefile.in: Regenerate.
781 * configure.ac: Remove libtool_VERSION macro
782 * configure: Regenerate
784 2004-07-05 Zack Weinberg <zack@codesourcery.com>
786 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
787 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
790 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
792 Splay tree implementation fork.
793 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
794 Use hard-coded comparison function for uintptr_t. Remove key/value
795 deallocation logic. Cache last splayed key for consecutive lookups.
796 * Makefile.am, Makefile.in: Use them, don't link to them.
797 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
798 (__mf_find_objects2): Flip successor/predecessor search sequence.
799 * ansidecl.h, libiberty.h: Removed dummy files.
801 2004-06-29 Nick Clifton <nickc@redhat.com>
803 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
804 * configure: Regenerate.
805 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
807 Remove spurious inclusion of <strings.h>.
809 2004-06-29 Nick Clifton <nickc@redhat.com>
811 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
812 function actually exists.
814 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
816 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
817 * config.h.in: Regenerated.
819 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
821 Adopt splay trees for object database.
822 * Makefile.am: Copy splay-tree.* from libiberty.
823 * Makefile.in, testsuite/Makefile.in: Regenerated.
824 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
825 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
826 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
827 * mf-runtime.c: Rewrite code dealing with object database to use
828 libiberty splay trees. Remove tree liveness aging option.
829 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
831 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
833 * configure.ac: New name of configure.in. Update
834 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
835 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
836 Autoconf 2.5x and Automake 1.7 or later.
837 * configure.in: Remove.
838 * configure: Regenerate.
840 * Makefile.am: Remove useless multilib rules.
841 * Makefile.in: Regenerate.
843 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
845 * .cvsignore: New file.
847 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
850 * mf-hooks2.c (semctl): Add cygwin porting hack.
852 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
855 * configure.in: Look for ctype header and glibc implementation.
856 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
857 array hooks for glibc 2.3.
858 * mf-runtime.h.in: Wrap them.
859 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
861 * testsuite/libmudflap.c/pass47-frag.c: New test.
862 * configure, config.h.in: Regenerated.
864 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
866 Portability improvements, e.g., libmudflap/15293.
867 * configure.in: Look for glibc extension functions. Look for
868 support of -f{function,data}-sections. Look for more headers.
869 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
870 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
871 mf-hooks* into usual single object per source.
872 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
873 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
874 if system doesn't provide one.
875 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
876 (pthread_create): Use it to properly GC dead thread stacks.
877 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
878 * testsuite/Makefile.am: Stop generating site.exp.
879 * testsuite/mfconfig.exp.in: New file.
880 * testsuite/config/default.exp: Load new mfconfig.exp.
881 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
882 (prune_gcc_output): Add glibc static linking warnings.
883 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
884 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
885 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
886 Regenerated with autoconf 2.57 and automake 1.7.
888 2004-06-04 Per Bothner <per@bothner.com>
890 * configure.in (LIBMUDFLAPTH): Fix thinko.
892 * configure.in: Check for more headers.
893 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
895 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
896 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
898 2004-06-01 Andreas Jaeger <aj@suse.de>
900 * configure.in: Handle multilibs, support
901 --enable-version-specific-runtime-libs.
902 * Makefile.am (lib_LTLIBRARIES): Rename to ...
903 (toolexeclib_LTLIBRARIES): this for multilib support.
904 * Makefile.in: Regenerated.
905 * configure: Regenerated.
906 * aclocal.m4: Regenerated.
907 * config.h.in: Regenerated.
908 * testsuite/Makefile.in: Regenerated.
910 2004-06-01 Andreas Jaeger <aj@suse.de>
912 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
913 multilibs, using multilib directory instead of hardcoded path.
916 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
918 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
919 * Makefile.in: Ditto.
921 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
923 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
924 * aclocal.m4, configure: Rebuilt.
926 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
928 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
929 import some build settings from libstdc++-v3 testsuite_flags.
930 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
931 changes to pass test language.
933 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
934 quicker mode-nop handling.
936 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
938 * mf-impl.h: Added libgcc license header.
940 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
942 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
943 Added libgcc license header.
944 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
945 (pthread_create): Simplify stack allocation syntax.
947 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
949 * mf-hooks2.c: Support FreeBSD.
950 (WRAP_gets): Avoid gets().
951 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
952 test unimplemented mem/str calls on FreeBSD.
953 * testsuite/libmudflap.c/pass21-frag.c: Do not include
954 <alloca.h> on FreeBSD.
956 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
958 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
959 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
960 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
961 flags for static linking permutation.
962 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
963 some pthreads code that croaks on linux glibc tls.
965 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
967 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
969 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
971 * testsuite/libmudflap.c/pass44-frag.c: New test.
973 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
975 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
977 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
979 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
981 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
983 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
985 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
988 * configure.in: Add check for see if
989 socklen_t typedef is in sys/socket.h.
990 * mf-hooks1.c: Add define if socklen_t
992 * mf-hooks2.c: Likewise.
993 * mf-hooks3.c: Likewise.
994 * config.h.in: Regen.
997 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
999 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
1000 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
1002 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
1003 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
1004 (unoptimized) allocation of stack space.
1006 2003-12-07 Richard Henderson <rth@redhat.com>
1008 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
1009 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
1011 2003-12-06 Andrew Pinski <apinski@apple.com>
1013 partial PR libmudflap/12670
1014 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
1015 * mf-hooks2.c: Likewise.
1016 * mf-hooks3.c: Likewise.
1018 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
1021 * mf-runtime.h.in: Switch to #pragma redefine_extname for
1022 symbols interposed at compile time.
1023 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
1026 * mf-hooks2.c (semctl): Tolerate FreeBSD.
1028 * configure.in: Reorganize check for <pthread.h>.
1029 * configure: Regenerated.
1031 2003-11-04 David Edelsohn <edelsohn@gnu.org>
1033 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
1034 (_LARGE_FILE_API): Define for AIX.
1035 * mf-hooks[123]: Same.
1036 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
1038 2003-10-21 David Edelsohn <edelsohn@gnu.org>
1040 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
1042 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
1044 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1046 * configure.in: Update check for union semun.
1048 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1051 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
1053 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
1056 * configure.in: Add checks for 64-bit LFS functions, struct semun
1057 definition, for BSD compatibility.
1058 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
1059 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
1060 * mf-hooks3.c: Ditto.
1061 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
1063 * configure, config.h.in: Regenerated.
1065 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
1067 Multithreading fixes:
1068 * mf-runtime.c (__mf_object): Store allocating/deallocating
1070 (options): Support new "-thread-stack" option.
1071 Rename "-heur-argv-environ" option to "-heur-stdlib".
1072 Disable "-lc-mask" and "-lc-shift" options.
1073 (__mf_dynamic): Add function pointers for pthread_join/_exit.
1074 (__assert_fail): New self-contained function for glibc.
1075 * mf-hooks3.c: Essentially rewritten, particularly related to
1076 use of __mf_pthread_info array.
1077 (pthread_join, _exit): New hook functions.
1078 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
1079 * testsuite/libmudflap.cth/pass40-frag.c: New test.
1082 * mf-heuristics.c: Add type casts for tracing, sub calls.
1083 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
1084 Update all callers to declare explicit result holder.
1085 (END_PROTECT): Removed.
1086 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
1088 2003-07-15 Diego Novillo <dnovillo@redhat.com>
1090 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
1091 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1092 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1094 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
1096 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
1097 * mf-hooks: Removed.
1098 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
1099 Move these macros from old mf-hooks.c here.
1100 * Makefile.am: Adapt to split-up hook sources for faster builds.
1101 * Makefile.in: Regenerated.
1103 * mf-heuristics.c: Remove #if-0 block.
1105 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
1106 (__mf_starting_p): New state only for use while dlsym bootstrapping.
1107 (CALL_REAL, __mf_init): Corresponding changes.
1108 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
1109 all callers to remove redundant "mf:" prefix.
1110 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
1111 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
1112 (__mf_pthread_info): Become a hash table.
1114 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
1115 "dg-repetitions" directives to control test case execution.
1116 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
1118 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
1120 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
1122 * mf-hooks.c (alloca): Separate into stub.
1123 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
1124 malloc/free for alloca blocks.
1125 (pthread_create): Tolerate failing pthread_attr_get* calls.
1126 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
1127 * mf-impl.h (CALL_WRAP): Remove macro.
1128 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
1129 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
1130 padding for ia64 BIT_FIELD_REF constructs.
1132 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
1134 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
1135 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
1136 libmudflap object type.
1137 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
1138 crashes on unregistering STATIC objects.
1140 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
1142 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
1143 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
1144 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
1145 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
1146 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
1147 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
1148 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
1149 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
1150 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
1151 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
1152 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
1153 (accept, bind, connect, gethostname, sethostname): New hooks.
1154 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
1155 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
1156 (semop, semctl, shmctl, shmat, shmdt): New hooks.
1157 * mf-runtime.h.in: Corresponding changes.
1158 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
1159 (opts) Rename heur_argv_environ to heur_std_data.
1160 (__mf_wrap_main): Use STATIC type for argv/environ strings.
1161 * Makefile.am: Corresponding changes.
1162 * Makefile.in: Regenerated.
1164 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
1166 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
1167 heuristic for threaded case, and for non-x86-linux targets.
1168 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
1169 for use during pre-main() program startup.
1170 (__mf_0fn_*): Make these functions non-static.
1171 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
1173 * mf-runtime.c (__mf_state): Set initial state to "starting".
1174 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
1175 (__wrap_main): New function to register argv[] and environ[] strings.
1176 (__mf_ini): Call it.
1177 (*): In all trace functions, use "%p" as formatter for uintptr_t.
1179 * testsuite/libmudflap.c/pass38-frag.c: New test case.
1180 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
1182 * acinclude.m4: Add comments with aoliva's concerns about x86_64
1184 * aclocal.m4, configure: Regenerated.
1186 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
1188 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
1189 * aclocal.m4, configure: Regenerated.
1191 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
1193 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
1194 for x86_64 target. Disable caching for this value.
1195 * aclocal.m4, configure: Regenerated.
1197 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
1199 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
1200 is about to become deprecated, and its present handling bugs are
1203 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
1205 * testsuite/libmudflap.c/pass38-frag.c: New test for
1208 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1210 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
1211 __mf_report, asserting reentrant calling context.
1213 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1215 * mf-hooks.c (realloc): Correct reentrancy logic.
1216 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
1218 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
1220 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
1221 PTHREAD_THREADS_MAX. Update users.
1222 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
1224 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
1225 with libmudflapth presence indicator.
1226 * testsuite/Makefile.in: Regenerated.
1228 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
1230 * Makefile.am (AM_CFLAGS): Remove "-ansi".
1231 * configure.in: Remove silly no-pthreads => no-shared logic.
1232 * Makefile.in, configure: Regenerated.
1233 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
1234 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
1235 code. Count reentrancy events.
1236 (all hook functions): Don't directly manipulate __mf_state variable.
1237 Add TRACE calls to hook functions without them.
1238 * mf-impl.h (LOCKTH): Try to count lock contention events.
1239 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
1240 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
1241 Reorganize reentrancy code.
1242 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
1243 identify reentrancy with mutex holding times.
1244 (internal __mfu_ entry points): Remove internal reentrancy code.
1245 (__mf_init): Use ordinary locked calls.
1246 (__mfu_report): Print the two new counts.
1247 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
1248 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
1249 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
1250 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
1253 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
1255 * configure.in: Add pthread support, plus glibc and porting hacks.
1256 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
1257 from objects built into ./pth/.
1258 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
1259 functions for internal entry points. Update callers to pick
1260 locked vs. unlocked variants.
1261 (__mf_resolve_single_dynamic): Extend to support symbol versioning
1262 info coming in from a static data structure.
1263 (*): Reorder miscellaneous declarations to group data vs functions.
1264 (__mf_set_default_options): Simplify.
1265 (__mf_usage): Mention threading status of host executable.
1266 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
1267 decls to match above.
1268 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
1269 * mf-heuristics.c: Choose between locked/unlocked calls. Add
1270 some lock/unlock markers. Remove some unused code.
1272 (pthread_create): New hook function.
1273 (__mf_pthread_cleanup, _spawner): New helper functions.
1274 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
1276 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
1278 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
1280 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
1282 * Makefile.am (HOOKOBJS): Add *time related hooks.
1283 * configure.in: Look for pthreads.h header.
1284 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
1285 * mf-runtime.c: Begin sketching some pthreads support.
1286 (__mf_usage): Check for -lpthread presence.
1287 (__mf_unregister): Confirm matching unregistration base.
1288 (__mf_find_objects_rec): Reduce unnecessary recursion.
1289 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
1290 #defines for new hook functions.
1291 * mf-impl.h: Corresponding changes.
1292 * config.h.in, configure, Makefile.in: Regenerated.
1294 2002-04-27 Diego Novillo <dnovillo@redhat.com>
1296 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
1297 modifiers to prevent being optimized away.
1298 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
1299 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1300 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
1301 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1302 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
1303 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
1304 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
1306 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1308 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1309 * configure.in: Look for uintptr_t and -ldl on target.
1310 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1311 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1312 * testsuite/Makefile.in: Regenerated.
1313 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1314 for better C compliance.
1316 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1318 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1320 * mf-runtime.c (__mf_set_default_options): Turn off
1321 check-initialization.
1322 (__mf_describe_object): Shorten description.
1323 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1325 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
1327 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1329 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
1331 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1333 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1334 * mf-impl.h (CALL_BACKUP): New macros.
1335 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1337 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
1339 * Makefile.am (AM_CFLAGS): Remove optimization flags.
1340 (HOOKOBJS): Remove dlopen hook.
1341 (libmudflap_la_LIBADD): Add -ldl.
1342 * mf-hooks.c (dlopen): Remove hook.
1343 * mf-impl.h (__mf_dynamic): Ditto.
1344 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1345 * Makefile.in: Regenerated.
1347 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
1349 * configure.in: Check for target gettimeofday, signal, some headers.
1350 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
1351 out inop multi_threaded field.
1352 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1353 (__mf_set_options): Correct handling of "-help".
1354 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1355 (__mf_check, __mf_register, __mf_unregister): Call it.
1356 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1357 (__mf_report_leaks): Make callable
1358 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
1359 distribution statistics.
1360 (__mf_adapt_cache): Rewrite shift guessing logic based on address
1362 * config.h.in, configure: Regenerated.
1363 * testsuite/libmudflap.c/fail27-frag.c: New test.
1364 * testsuite/libmudflap.c/pass36-frag.c: New test.
1366 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
1368 * mf-runtime.h.in: Tweak.
1369 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1370 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1371 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1373 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1375 * configure.in: Tweak generation of mf-runtime.h some more. It
1376 needs to work from both config.status and configure.
1377 * configure: Regenerated.
1379 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1381 * Makefile.am: Reorganize hook file building. Add auto dependencies.
1382 * configure.in: Tweak generation of mf-runtime.h.
1383 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1384 * mf-hooks.c (*): Adapt to initialized-heap object type.
1385 * mf-impl.h: Tweak cemetary boundaries.
1386 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1388 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1389 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1390 * testsuite/lib/libmudflap.exp (includes): Include build tree.
1391 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1393 * testsuite/.../fail{25,26}-frag.c: New tests.
1394 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1395 * Makefile.in, configure: Regenerated.
1397 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1399 * mf-runtime.c (__mf_set_default_options): Turn on initialization
1400 checking by default.
1401 (__mf_insert_new_object): As a temporary hack, assume that new
1402 objects registered on the stack start out initialized.
1403 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1404 heap objects by hand.
1406 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1408 Switch to macro-style hooks for str*/mem*/b* functions.
1409 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1410 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1411 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1412 (__mf_set_default_options): Turn off heur_proc_map.
1413 (*): Adapt to to macro-style hook functions.
1414 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1415 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1416 (__mf_violation): Handle __MF_VIOL_WATCH.
1417 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1418 (__mf_dynamic): Removed mem*/str*/b* functions.
1419 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1420 (WRAPPER2): New macro for macro-style hooks.
1421 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1423 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1424 * mf-heuristics.c: Adapt to macro-style hook functions.
1425 Correct some comments.
1426 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1427 output pattern tests.
1428 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1429 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1431 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1433 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1434 for global array registration.
1435 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1436 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1438 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1440 * Makefile.am: Add gross make bug workarounds. Tweaked
1441 SUBDIRS and AM_CFLAGS.
1442 * Makefile.in: Regenerated.
1444 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1447 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1448 * Makefile.am (TESTS): Remove simple automake testing.
1449 * configure, Makefile.in: Regenerated.
1450 (SUBDIRS): Include new testsuite/ directory.
1451 * tests/*: Removed all files; moved bulk under:
1452 * testsuite/*: New subdirectory tree.
1453 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1454 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1455 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1456 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1457 * testsuite/config/default.exp: New file.
1458 * testsuite/Makefile.am, Makefile.in: New files.
1460 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1462 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1463 (TESTS): Add fail22 and pass29 tests.
1464 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1465 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1466 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1467 values. Move __MF_VIOL* here.
1468 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1469 (check_initialization): New field in __mf_opts. Default off.
1470 (read_count,write_count): New fields in __mf_object.
1471 (__mf_check): Implement basic initialization checking.
1472 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1473 (__mf_describe_object): Print new fields.
1474 (__mf_violation): Identify check/read vs. check/write in messages.
1475 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1476 "-check-initialized" mudflap option.
1477 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1478 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1479 Drop __FILE__/__LINE__ hack. Update callers.
1480 (*): Adapt to new mf-runtime.h API.
1481 * Makefile.in: regenerated.
1483 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1485 * configure.in: Build mf-runtime.h a more proper way.
1486 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1487 * mf-runtime.c (verbose_violations): Turn on by default.
1488 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1489 * mf-impl.h: ... and move it here.
1490 * configure: Regenerated.
1492 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1494 * configure.in: Look for C++ compiler.
1495 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1496 fixed type warnings when built with C++.
1497 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1498 * Makefile.am (TESTS): Run them.
1499 (*) Add new rules for building and running C++ tests.
1500 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1501 * mf-runtime.h.in: Protect with extern "C".
1502 * Makefile, configure: Regenerated.
1504 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1506 Portability improvements.
1507 * configure.in: Look for glibc backtrace headers/functions.
1508 * mf-hooks.c: Don't include <execinfo.h> any more.
1509 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1511 (__mf_backtrace): Provide alternate baby implementation in
1513 * test/mf-driver.c: Portability tweaks.
1514 * acinclude.m4: New file, containing top level libtool.m4.
1515 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1517 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1519 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1521 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1523 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1525 (__mf_unregister): Implement stack/heap object wiping.
1526 (__mf_set_options): Renamed from __mf_process_opts.
1527 (__mf_uncache_object): Change arg type, correct callers.
1528 * mf-impl.h: Corresponding changes.
1529 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1530 * mf-runtime.h.in (__mf_set_options): Extend public API.
1531 * test/pass26-frag.c: New test for stack wiping.
1532 * Makefile.am (TESTS): Run it.
1533 * Makefile.in: Regenerated.
1535 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1537 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1538 * mf-runtime.c (__mf_object_t): Add watching_p field.
1539 (__mf_watch_or_not): New function to implement
1540 object watch flagging.
1541 (__mf_watch, __mf_unwatch): New wrappers for above.
1542 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1543 (__mf_count_violation): Enlarge array.
1544 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1545 unlink object. Clear cache properly.
1546 (__mf_unregister): Unlink object explicitly before uncaching.
1547 * test/fail21-frag.c, pass25-frag.c: New tests.
1548 * Makefile.in, aclocal.m4: Regenerated.
1550 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1552 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1553 * Makefile.am (TESTS): Add it.
1554 * test/pass-stratcliff.c: Add decls of stpcpy.
1555 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1556 build tree from config.h and new file mf-runtime.h.in.
1557 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1558 * Makefile.in, configure, config.h.in: Regenerated.
1559 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1560 * mf-runtime.c (options, __mf_set_default_options): Support new
1561 default "abbreviate" option.
1562 (__mf_object.description_epoch): New field.
1563 (__mf_describe_object): Conditionally abbreviate objects already
1564 displayed in current epoch. Accept NULL input to increment epoch.
1565 (__mf_fini, __mf_ini): Reset description epoch.
1566 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1567 that NULL pointer slot in lookup cache is invalidated. Register a
1568 NOACCESS region around NULL.
1569 * mf-impl.h: Corresponding changes.
1571 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1573 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1574 * Makefile.am: Run them. Install mf-runtime.h.
1575 * Makefile.in: Regenerated.
1576 * mf-hooks.c: Add some markers for more missing functions.
1577 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1578 statistic to tune tune cache size (mask).
1580 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1582 * test/pass23-frag.c: New test for bit_field_ref expressions.
1583 * Makefile.am, Makefile.in: Add new test.
1584 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1585 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1586 * mf-runtime.c (__mf_init): Register errno global.
1587 (__mf_find_object): Removed function.
1588 (__mf_check): Rewrite logic to support accesses across some
1589 contiguous but distinctly registered objects.
1590 (__mf_remove_old_object): Tolerate cache entries that span
1593 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1595 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1596 * Makefile.am, Makefile.in: Run new tests.
1597 * mf-hooks.c (alloca): Correct stack direction logic.
1599 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1601 * mf-impl.h (adapt_cache): New option.
1602 * mf-runtime.c (__mf_set_default_options): Set its default value.
1603 Tweak the tree_aging parameter down.
1604 (__mf_check): Maintain separate counter for cache-adaptation.
1605 (__mf_tree_analyze): New function to collect object tree stats.
1606 (__mf_adapt_cache): New function to automate cache parameters.
1608 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1610 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1611 hypothetical #if-0'd argv/envp region registration.
1612 * mf-runtime.c (__mf_init): Add kludged form of above.
1613 (*) Add "heur_argv_environ" flag, default on, to govern this.
1614 * mf-impl.h: Corresponding changes.
1616 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1618 * test/fail18-frag.c: New test file for NOACCESS regions.
1619 * Makefile.am (TESTS): Add new test.
1620 * Makefile.in: Regenerated.
1622 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1623 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1624 (optimize_object_tree): Remove unused mudflap_option.
1625 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1626 support throughout. Use .._MAX_CEM for cemetary upper bound.
1627 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1629 (__mf_object): Add new liveness field for use by tree aging.
1630 (__mf_check): Trigger tree aging when needed.
1631 (__mf_age_tree): New function to decay liveness field.
1632 (__mf_find_objects_rec): Use liveness field to rotate tree.
1633 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1634 (__mf_unregister): Ditto.
1635 (__mf_register): Tweak duplicate-static message.
1636 (__mf_violation: Tweak nearby-object counter printing.
1638 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1640 * test/pass20-frag.c: New test file.
1641 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1642 * Makefile.in: Regenerated.
1644 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1645 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1646 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1647 entries to avoid repeat registration.
1648 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1649 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1651 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1653 * Makefile.am: Create test sources with #include, not cat>>.
1654 * Makefile.in: Regenerated.
1655 * test/buildtest.sh: Removed.
1656 * test/driver.c (abort_handler, main): Be quiet.
1658 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1660 * test/pass18-frag.c, pass19-frag.c: New tests.
1661 * Makefile.am (check): Run them. Rebuild test programs each time.
1662 * Makefile.in: Regenerated.
1664 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1666 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1667 overlapping object search.
1668 (__mf_violation): Likewise for nearby objects.
1669 Improve nearby-object listing.
1672 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1673 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1675 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1678 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1679 (HOOKOBJS): Add alloca-hook.o.
1680 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1682 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1683 (__mf_backtrace): Reimplement without using alloca.
1684 * Makefile.in: Regenerated.
1687 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1688 Correct signedness bugs in length-tracking variables.
1689 * mf-impl.h: Make options unsigned.
1690 (CALL_WRAP): New macro to parallel CALL_REAL().
1691 (DECLARE): Remove erroneous ";" at end.
1692 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1693 formatting specs with %08lx. Correct several compiler warnings.
1695 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1697 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1699 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1701 libmudflap hook breakup:
1702 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1704 (TESTS): Make dependent on libmudflap.
1705 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1706 compiled from segments of mf-hooks.c.
1707 * mf-hooks.c: Corresponding changes: wrap each function in
1709 * Makefile.in: Regenerated.
1711 Heuristics reorganization:
1712 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1713 Remove these functions. Update callers.
1714 (__mf_heuristic_check): Incorporate all the various heuristics.
1715 Encode cacheability/retry judgement into trinary return value.
1716 Separate start-end logic into a separate fallback heuristic. Only
1717 register relevant /proc/self/map segments.
1718 * mf-impl.h: Corresponding changes.
1719 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1720 (__mf_init): Don't call __mf_init_heuristics.
1723 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1724 "-verbose-trace" to emit all tracing messages other than those of
1725 basic public api. Eliminate some duplicate/excessive messages.
1726 * mf-runtime.h: Corresponding changes.
1728 2002-08-27 Graydon Hoare <graydon@redhat.com>
1730 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1731 and __real when compiled with -DPIC.
1732 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1733 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1734 * Makefile.in: Regenerate.
1736 2002-08-26 Graydon Hoare <graydon@redhat.com>
1738 * mf-impl.h: New file, private implementation header.
1739 * mf-runtime.h: Reorganize a bit.
1740 (CLAMPSZ): Fix arithmetic.
1741 (__MF_CACHE_MISS_P): Fix arithmetic.
1742 * mf-runtime.c: Reorganize a bit.
1743 (__mf_dynamic): New structure.
1744 (resolve_single_dynamic): New function.
1745 (__mf_resolve_dynamics): New function.
1746 (__mf_init): Initialize dynamic wrappers.
1747 * mf-hooks.c: Macro-ize __real calls.
1748 Clamp various bits of arithmetic.
1749 Add explicit __mf_check call contexts.
1750 * Makefile.am: Add dependencies on mf-impl.h
1751 * Makefile.in: Regenerate.
1752 * configure.in: Comment out shared override.
1753 * configure: Regenerate.
1755 2002-08-22 Graydon Hoare <graydon@redhat.com>
1757 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1758 (__mf_check): Re-inialize and check heuristics before violation.
1759 (__mf_register): Permit updating pure-guess regions.
1760 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1761 (__wrap_dlopen): New wrapper function.
1762 (__wrap_mmap): New wrapper function.
1763 (__wrap_munmap): New wrapper function.
1764 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1765 which are not stack addresses.
1766 (is_stack_address): New function.
1767 (__mf_init_heuristics): Save and restore state, always initialize with
1770 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1772 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1773 error. Pass location string.
1774 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1775 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1776 (__mf_process_opts): Apply some sanity checking for lc-mask.
1777 (__mf_check, __mf_violation): Take new location-string argument.
1778 Update callers to pass NULL if necessary.
1779 (__mf_backtrace): New smart backtracer function. Calls replace
1780 several ad-hoc blocks elsewhere.
1781 (__mf_describe_object): Remove bad reentrancy test. Improve
1783 * mf-runtime.h: Corresponding changes. Public/private markup.
1784 (__MF_CACHE_MISS_P): New macro.
1786 2002-08-20 Graydon Hoare <graydon@redhat.com>
1788 * mf-runtime.h: New option: stack_bound (heuristic).
1789 Move some macros out of implementation files.
1790 * mf-runtime.c: New option string: -stack-bound.
1791 Unify recursion protection with hooks.
1793 (__mf_check): Call __mf_heuristic_check.
1794 (__mf_process_opts): Fix "no-" processing.
1795 * mf-heuristics.c (__mf_heuristic_check): New function.
1796 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1798 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1800 Option parsing improvements, region splitting bug fixes:
1801 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1802 * mf-runtime.h (heur_proc_map): New libmudflap option.
1803 * mf-runtime.c (__mf_set_default_options): Set it.
1804 (__mf_usage): Print default values/status.
1805 (__mf_process_opts): Support general "no-" option string prefix.
1806 (__mf_init): Print __mf_usage on unknown-option error.
1807 (__mf_register): Print trace message up front.
1808 Correct region splitting logic for case where a subregion disappears.
1809 Correct memory leak.
1810 (__mf_violation): Make even basic message conditional on option.
1813 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1814 (clean-local): New target.
1815 (test/*x rules): Add -g CFLAGS.
1816 (CFLAGS): Add -freorder-blocks.
1817 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1818 * Makefile.in: Regenerated.
1819 * Makefile, mf-config.h: Removed files.
1821 2002-08-16 Graydon Hoare <graydon@redhat.com>
1823 * mf-runtime.c (__mf_insert_new_object): Factor out of
1825 (__mf_remove_old_object): Factor out of __mf_unregister.
1826 (__mf_register): Handle guessed regions, splitting
1827 guesses when new registrations arrive.
1828 (__mf_unregister): Do not unregister guesses.
1829 * mf-runtime.h: Move convenience macros around,
1830 declare new option fields. Add __MF_TYPE_GUESS.
1831 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1832 (__wrap_free): Call __real_free for deferred frees.
1833 * Makefile.am: Add more tests, fix dependency.
1834 * Makefile.in: Regenerate.
1835 * test/pass[13..17]-frag.c: New testcases.
1836 * test/fail[13..17]-frag.c: New testcases.
1838 2002-08-15 Graydon Hoare <graydon@redhat.com>
1840 * mf-heuristics.c: New file.
1841 * mf-runtime.c (options): Add -trace-calls option.
1842 (__mf_init): Call __mf_init_heuristics.
1844 2002-08-14 Graydon Hoare <graydon@redhat.com>
1846 * Makefile.am (TESTS): Add testsuite support.
1847 * Makefile.in: Regenerate.
1848 * test/mf-driver.c: New file.
1849 * test/buildtest.sh: New file.
1850 * test/passNN-frag.c: New testcases.
1851 * test/failNN-frag.c: New testcases.
1853 2002-08-14 Graydon Hoare <graydon@redhat.com>
1855 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1856 verifying non-size-limited string extents.
1858 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1860 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1861 instead of plain str[n]len for internal checks.
1862 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1864 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1866 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1868 2002-08-13 Graydon Hoare <graydon@redhat.com>
1870 * mf-runtime.c: Rework configuration to operate on
1871 environment variable options rather than #defines
1872 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1873 (__mf_init): Set static __mf_active_p flag on startup,
1874 to inhibit mudflap wrap-based checking during crt0.s.
1875 * mf-runtime.h: Declare options structure.
1876 * mf-hooks.c: New wrappings for mem*, b*, str*
1877 libc functions (temporarily #if 0-ed out).
1879 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1881 * Makefile.am, configure.in: New files.
1882 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1883 * stamp-h.in, aclocal.m4: Ditto.
1885 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1887 * Makefile: New file.
1888 * mf-config.h: New file: runtime configuration.
1889 * mf-hooks.c: New file: interposed libc functions.
1890 * mf-runtime.c: New file: bulk of runtime.
1891 * mf-runtime.h: New file: public functions.
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