1 2010-06-09 Iain Sandoe <iains@gcc.gnu.org>
4 * configure: Regenerate.
6 2010-05-16 Uros Bizjak <ubizjak@gmail.com>
8 * testsuite/libmudflap.c/pass46-frag.c (dg-options): Remove -Wall.
10 2010-05-15 Uros Bizjak <ubizjak@gmail.com>
12 * testsuite/lib/mfdg.exp (additional_prunes): New global.
13 (dg-test): Clear additional_prunes before test is run.
14 (dg-prune-output): New procedure.
15 * testsuite/lib/libmudflap.exp (libmudflap-dg-test): Do not call
17 (libmudflap-dg-prune): New procedure.
18 * testsuite/libmudflap.c++/pass57-frag.cxx (dg-prune-output):
21 2010-05-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
24 * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
25 * Makefile.in: Regenerate.
26 * testsuite/Makefile.in: Regenerate.
28 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
30 * Makefile.in: Regenerate.
31 * aclocal.m4: Regenerate.
32 * testsuite/Makefile.in: Regenerate.
34 2010-03-15 David S. Miller <davem@davemloft.net>
36 * testsuite/libmudflap.c/pass54-frag.c: Add explicit return from
39 2010-01-09 Jakub Jelinek <jakub@redhat.com>
41 * mf-runtime.c (__mf_usage): Update copyright notice dates.
43 2009-12-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
45 * Makefile.in: Regenerate.
46 * configure: Regenerate.
47 * testsuite/Makefile.in: Regenerate.
49 2009-09-22 Frank Ch. Eigler <fche@redhat.com>
52 * mf-runtime.c (__mf_init): Ignore $MUDFLAP_OPTIONS if
53 running setuid or setgid.
55 2009-09-01 Loren J. Rittle <ljrittle@acm.org>
57 * mf-runtime.c (__mf_init): Support FreeBSD.
58 Prime mutex which calls calloc upon first lock to avoid deadlock.
59 * mf-hooks1.c (__mf_0fn_mmap): Support FreeBSD.
60 Ignore red zone allocation request for initial thread's stack.
62 2009-09-01 Loren J. Rittle <ljrittle@acm.org>
63 Andreas Schwab <schwab@linux-m68k.org>
65 * testsuite/libmudflap.c/pass51-frag.c (MAP_FAILED): Define,
66 if not in system header; use it. On FreeBSD, must pass fd==-1
67 with MAP_ANON flag. Correct mmap error check.
68 * testsuite/libmudflap.c/fail40-frag.c: Ditto.
70 2009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
72 * configure.ac (AC_PREREQ): Bump to 2.64.
74 2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
76 * Makefile.am (install-html, install-pdf): Remove.
77 * Makefile.in: Regenerate.
79 * Makefile.in: Regenerate.
80 * aclocal.m4: Regenerate.
81 * config.h.in: Regenerate.
82 * configure: Regenerate.
83 * testsuite/Makefile.in: Regenerate.
85 2009-07-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
87 * configure.ac (_AC_ARG_VAR_PRECIOUS): Use m4_rename_force.
89 2009-07-16 Joseph Myers <joseph@codesourcery.com>
91 * configure: Regenerate.
93 2009-07-11 Richard Sandiford <rdsandiford@googlemail.com>
98 * testsuite/lib/libmudflap.exp: Revert 2009-06-30 commit.
100 2009-07-01 Richard Guenther <rguenther@suse.de>
102 PR tree-optimization/19831
103 * testsuite/libmudflap.c/fail11-frag.c: Make allocated memory
105 * testsuite/libmudflap.c/fail12-frag.c: Likewise.
106 * testsuite/libmudflap.c/fail16-frag.c: Likewise.
107 * testsuite/libmudflap.c/fail31-frag.c: Likewise.
109 2009-06-30 Richard Sandiford <r.sandiford@uk.ibm.com>
111 * testsuite/lib/libmudflap.exp (libmudflap-init): Don't add "."
112 to ld_library_path. Use add_path. Add just find_libgcc_s to
113 ld_library_path, not every libgcc multilib directory.
115 2009-04-09 Nick Clifton <nickc@redhat.com>
117 * mf-hooks1.c: Change copyright header to refer to version 3
118 of the GNU General Public License with version 3.1 of the GCC
119 Runtime Library Exception and to point readers at the COPYING3
120 and COPYING3.RUNTIME files and the FSF's license web page.
121 * mf-heuristics.c: Likewise.
122 * mf-hooks2.c: Likewise.
123 * mf-hooks3.c: Likewise.
124 * mf-impl.h: Likewise.
125 * mf-runtime.c: Likewise.
126 * mf-runtime.h: Likewise.
128 2009-04-09 Jakub Jelinek <jakub@redhat.com>
130 * testsuite/lib/mfdg.exp: Change copyright header to refer to
131 version 3 of the GNU General Public License and to point readers
132 at the COPYING3 file and the FSF's license web page.
133 * testsuite/lib/libmudflap.exp: Likewise.
135 2009-03-31 Ben Elliston <bje@au.ibm.com>
138 * testsuite/libmudflap.c/fail27-frag.c: Match `mudflap dead
139 object', not `mudflap object'.
141 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
143 * configure: Regenerate.
145 2009-02-03 Jakub Jelinek <jakub@redhat.com>
147 * mf-runtime.c (__mf_usage): Update copyright notice dates.
149 2009-01-23 Jie Zhang <jie.zhang@analog.com>
151 * mf-impl.h (__mf_get_state, __mf_set_state): Don't use
152 __thread when TLS support is emulated.
153 * mf-hooks3.c (__mf_get_state, __mf_set_state): Likewise.
154 * mf-runtime.c (__mf_state_1): Likewise.
155 * configure.ac: Use GCC_CHECK_EMUTLS.
156 * configure: Regenerate.
157 * config.h.in: Regenerate.
159 2008-12-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
161 * configure: Regenerate.
163 2008-11-26 Janis Johnson <janis187@us.ibm.com>
166 * testsuite/lib/mfdg.exp (dg-test): Use new timeout support.
167 (dg-timeout): Remove.
168 (standard-wait): Remove.
169 * testsuite/lib/libmudflap.exp: Include new timeout library files.
170 (libmudflap_target_compile): Set timeout value from new proc.
172 2008-11-10 Jakub Jelinek <jakub@redhat.com>
175 * testsuite/libmudflap.c/pass67-frag.c: New test.
177 2008-10-09 Jakub Jelinek <jakub@redhat.com>
180 * testsuite/libmudflap.c++/pass66-frag.cxx: New test.
182 2008-09-26 Peter O'Gorman <pogma@thewrittenword.com>
183 Steve Ellcey <sje@cup.hp.com>
185 * configure: Regenerate for new libtool.
186 * Makefile.in: Ditto.
187 * testsuite/Makefile.in: Ditto.
189 2008-09-15 Jakub Jelinek <jakub@redhat.com>
192 * testsuite/libmudflap.c/pass64-frag.c: New test.
194 2008-06-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
196 * Makefile.in: Regenerate.
197 * config.h.in: Regenerate.
198 * configure: Regenerate.
199 * testsuite/Makefile.in: Regenerate.
201 2008-04-18 Paolo Bonzini <bonzini@gnu.org>
204 * aclocal.m4: Regenerate.
205 * configure: Regenerate.
207 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
209 * testsuite/libmudflap.c/pass63-frag.c: New test.
211 2008-03-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
213 * aclocal.m4: Regenerate.
214 * configure: Likewise.
215 * Makefile.in: Likewise.
216 * testsuite/Makefile.in: Likewise.
218 2008-03-02 Jakub Jelinek <jakub@redhat.com>
220 * mf-runtime.c (__mf_usage): Update copyright notice dates.
222 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
224 * testsuite/libmudflap.c/fail8-frag.c: Adjust scan pattern for
226 * testsuite/libmudflap.c/fail9-frag.c: Ditto.
228 2008-01-24 David Edelsohn <edelsohn@gnu.org>
230 * configure: Regenerate.
232 2008-01-05 Jakub Jelinek <jakub@redhat.com>
234 PR tree-optimization/34618
235 * testsuite/libmudflap.c/pass62-frag.c: New test.
237 2008-01-03 Jakub Jelinek <jakub@redhat.com>
240 * testsuite/libmudflap.c++/pass61-frag.cxx: New test.
242 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
245 * testsuite/libmudflap.c++/pass60-frag.cxx: New test.
247 2007-10-15 Maciej W. Rozycki <macro@linux-mips.org>
249 * configure: Regenerate following changes to ../config/tls.m4.
251 2007-07-26 Tom Tromey <tromey@redhat.com>
253 * Makefile.in: Rebuilt.
254 * Makefile.am (clean-local): Removed.
255 (pth/mf-runtime.lo, pth/mf-heuristics.lo, pth/mf-hooks1.lo,
256 pth/mf-hooks2.lo, pth/mf-hooks3.lo): Likewise.
257 (libmudflapth_la_SOURCES): List sources.
258 (libmudflapth_la_LIBADD): Clear.
259 (libmudflapth_la_CFLAGS): New variable.
261 2007-07-05 H.J. Lu <hongjiu.lu@intel.com>
263 * aclocal.m4: Regenerated.
265 2007-06-02 Paolo Bonzini <bonzini@gnu.org>
267 * configure: Regenerate.
269 2007-05-31 Frank Ch. Eigler <fche@redhat.com>
271 From Andi Kleen <ak@suse.de>:
272 * mf-runtime.c (options): Rename structure for compatibility with
275 2007-05-23 Steve Ellcey <sje@cup.hp.com>
277 * Makefile.in: Regenerate.
278 * configure: Regenerate.
279 * aclocal.m4: Regenerate.
280 * testsuite/Makefile.in: Regenerate.
282 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
284 * testsuite/libmudflap.cth/pass59-frag.c (main): Fix casting of arg.
286 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
288 * Makefile.am: Add dummy install-pdf target.
289 * Makefile.in: Regenerate
291 2007-02-07 Jakub Jelinek <jakub@redhat.com>
294 * configure: Regenerate.
296 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
298 * configure: Regenerate.
300 2006-11-13 Daniel Jacobowitz <dan@codesourcery.com>
302 * configure: Regenerated.
304 2006-11-10 Frank Ch. Eigler <fche@redhat.com>
307 * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
308 static but not function scope static.
309 (free): Skip deallocation attempts for objects placed into
311 * testsuite/libmudflap.cth/pass59-frag.c: New test.
313 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
315 From Herman ten Brugge <hermantenbrugge@home.nl>:
316 * mf-runtime.c (__mf_uncache_object): Optimize the code so that
317 small and large objects are handled a lot faster.
319 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
321 * configure.ac (__libc_freeres): Look for it.
322 * mf-impl.h (call_libc_freeres): New configuration flag.
323 * mf-runtime.c (__mf_set_default_options): Set it by default.
324 (__mfu_report): Call it if needed.
325 (__mfu_unregister): Remove "unaccessed registered object" warning.
326 * configure, config.h.in: Regenerated.
328 2006-09-18 Tom Tromey <tromey@redhat.com>
330 * configure: Rebuilt.
332 2006-06-21 Frank Ch. Eigler <fche@redhat.com>
335 mf-runtime.h installation based on ssp patch for PR 26473 from
336 Mark Mitchell <mark@codesourcery.com>.
337 * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
338 * Makefile.am (target_noncanonical): Define.
339 (libsubincludedir): New variable.
340 (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
341 (include_HEADERS): Remove.
342 * configure, aclocal.m4, config.h.in: Regenerated.
343 * Makefile.in, testsuite/Makefile.in: Likewise.
344 * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
345 and _THREAD_SAFE redefinition values.
347 2006-05-23 Carlos O'Donell <carlos@codesourcery.com>
349 * Makefile.am: Add install-html target. Add install-html to .PHONY
350 * Makefile.in: Regenerate.
352 2006-04-19 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
355 * testsuite/libmudflap.c++/error1-frag.cxx: New test.
358 * testsuite/libmudflap.c++/error2-frag.cxx: New test.
360 2006-04-10 Matthias Klose <doko@debian.org>
362 * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
363 directory names containing underscores.
365 2005-11-22 Janis Johnson <janis187@us.ibm.com>
367 * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
368 MUDFLAP_FLAGS if static library not supported.
369 * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
370 * testsuite/libmudflap.c/externs.exp: Ditto.
371 * testsuite/libmudflap.c++/ctors.exp: Ditto.
372 * testsuite/libmudflap.c++/c++frags.exp: Ditto.
373 * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
375 2005-10-04 James E Wilson <wilson@specifix.com>
377 * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
378 $name as array of characters with unknown bound. Also store into the
380 * configure: Regenerate.
382 2005-09-30 James E. Wilson <wilson@specifix.com>
384 * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
386 (target_thread_file): New. Set from sed'ed gcc output.
387 (posix_threads): New. Set from target_thread_file. Use instead of
389 (pthread_create_version): Move initialization before code using it.
390 * configure: Regenerate.
392 * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
395 2005-09-29 James E. Wilson <wilson@specifix.com>
397 * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
398 with HAVE_MMAP ifdef.
400 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
403 * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
405 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
407 * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
409 2005-09-23 Tom Tromey <tromey@redhat.com>
411 * aclocal.m4, configure: Rebuilt.
412 * configure.ac: Use GCC_CHECK_TLS.
413 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
416 2005-08-22 Jim Wilson <wilson@specifix.com>
418 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
419 __FreeBSD__ is defined.
421 2005-08-17 Jim Wilson <wilson@specifix.com>
423 * mf-hooks1.c (malloc, calloc, realloc, free,
424 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
425 the real routines, and END_MALLOC_PROTECT afterwards.
426 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
427 (BEGIN_PROTECT): Handle in_malloc state.
428 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
429 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
431 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
433 * All files: Update FSF address.
435 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
437 * mf-hooks3.c (main_seen_p): Remove.
438 (__mf_get_state): Remove attempt to recognize the main thread.
440 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
442 * configure.ac: Test for the name of the symbol used for the entry
443 point; define ENTRY_POINT to the result.
444 * configure: Regenerate.
445 * config.h.in: Regenerate.
446 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
448 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
450 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
451 (__mf_init): Set thread state active.
452 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
454 (pthread_create wrapper): Always use thread spawner.
456 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
457 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
459 2005-07-16 Richard Henderson <rth@redhat.com>
461 * acinclude.m4: New file.
462 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
463 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
464 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
465 (__mf_0fn_calloc): ... here.
466 * mf-hooks3.c (struct pthread_info): Remove.
467 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
468 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
469 (struct mf_thread_data): New.
470 (mf_thread_data, mf_thread_data_lock): New.
471 (__mf_allocate_blank_threadinfo): Remove.
472 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
474 (__mf_state_perthread): Remove.
475 (__mf_get_state, __mf_set_state): New.
476 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
477 Update mf_thread_data killing procedure.
478 (__mf_pthread_spawner): Similarly.
479 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
480 code to allocate thread stack space.
481 (__mf_0fn_pthread_join, pthread_join): Remove.
482 (__mf_0fn_pthread_exit, pthread_exit): Remove.
483 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
484 (__mf_state_1): Rename from __mf_state; use TLS when available.
485 (__mf_get_state, __mf_set_state): New. Update all users.
486 * mf-runtime.c (begin_recursion_protect1): New.
487 (BEGIN_RECURSION_PROTECT): Use it.
488 (__mf_state_1): Rename from __mf_state; use TLS when available.
489 (threads_active_p): Remove.
490 (__mf_usage): Compute it directly.
492 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
494 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
496 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
498 Fix for uncaching bug reported by Herman ten Brugge.
499 * mf-runtime.c (__mf_uncache_object): Search whole cache.
500 * testsuite/libmudflap.c/fail40-frag.c: New test.
502 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
505 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
506 * Makefile.in: Amend.
508 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
511 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
512 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
514 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
517 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
519 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
522 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
523 unsigned vars with #defines instead of enums.
525 2005-05-09 Mike Stump <mrs@apple.com>
527 * configure: Regenerate.
529 2005-04-12 Mike Stump <mrs@apple.com>
531 * configure: Regenerate.
533 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
536 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
537 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
539 2005-04-04 Alan Modra <amodra@bigpond.net.au>
541 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
543 2005-03-31 Mike Stump <mrs@apple.com>
545 * mf-runtime.h: Add libmudflap copyright clause.
547 2005-03-21 Mike Stump <mrs@apple.com>
549 * mf-heuristics.c: Fix whitespace at end of line.
550 * mf-hooks1.c: Likewise.
551 * mf-hooks2.c: Likewise.
552 * mf-hooks3.c: Likewise.
553 * mf-impl.h: Likewise.
554 * mf-runtime.c: Likewise.
555 * mf-runtime.h: Likewise.
557 2005-03-21 Zack Weinberg <zack@codesourcery.com>
559 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
560 In all substitutions, expand gcc_version in Makefile.
561 * aclocal.m4, configure: Regenerate.
562 * Makefile.am: Set gcc_version.
563 * Makefile.in, testsuite/Makefile.in: Regenerate.
565 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
567 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
568 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
570 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
573 * testsuite/libmudflap.c++/pass55-frag.c: New test.
575 2005-01-05 Richard Henderson <rth@redhat.com>
577 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
579 2005-01-02 Greg McGary <greg@mcgary.org>
581 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
582 * mf-runtime.h: New file, replaces mf-runtime.h.in.
583 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
584 * Makefile.in: Ditto.
585 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
586 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
587 * testsuite/libmudflap.c/fail36-frag.c: New test.
588 * testsuite/libmudflap.c/fail37-frag.c: New test.
589 * testsuite/libmudflap.c/fail38-frag.c: New test.
591 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
593 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
594 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
596 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
598 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
599 * aclocal.m4: Include ../config/gcc-version.m4.
600 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
602 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
604 * Makefile.am: Define ACLOCAL_AMFLAGS.
605 * acinclude.m4: Remove.
606 * stamp-h.in: Remove superfluous stamp file.
607 * aclocal.m4, configure, Makefile.in: Regenerate.
608 * testsuite/Makefile.in: Likewise.
610 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
612 * Makefile.am: Revert previous.
613 * acinclude.m4: Restore.
614 * aclocal.m4, configure, Makefile.in: Regenerate.
615 * testsuite/Makefile.in: Likewise.
617 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
619 * Makefile.am: Define ACLOCAL_AMFLAGS.
620 * acinclude.m4: Remove.
621 * aclocal.m4, configure, Makefile.in: Regenerate.
622 * testsuite/Makefile.in: Likewise.
624 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
626 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
628 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
630 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
631 * testsuite/Makefile.in: Likewise.
633 2004-11-01 Andreas Schwab <schwab@suse.de>
635 * configure.ac: (target_alias): Default to $host_alias, not
637 * configure: Regenerated.
639 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
641 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
642 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
645 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
648 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
650 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
652 * configure.ac: Check for more headers, functions.
653 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
654 tracking overridden FILE buffers.
655 (fopen, setvbuf): New/revised hook functions for buffer overriding.
656 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
657 (fflush): Accept given NULL stream (means "all streams").
659 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
661 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
662 (__mf_adapt_cache): Use them all.
663 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
664 * testsuite/libmudflap.c++/ctors.exp: Ditto.
665 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
666 * configure, config.h.in: Regenerated.
668 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
670 * configure.ac: Checking for sys/socket.h once is enough.
671 * configure: Regenerated.
673 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
675 * configure.ac: Look for more headers & functions.
676 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
677 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
678 * mf-runtime.c (options): Clean up integer signedness warnings.
679 (main): Add a declaration to fix a warning.
680 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
681 * configure, config.h.in: Regenerated.
683 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
685 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
686 New tests for proper base/limit checking for aggregates.
688 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
690 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
692 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
694 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
695 * mf-hooks2.c (strerror): Unregister previous string returned by
697 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
698 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
699 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
700 * mf-runtime.c (__mf_describe_object): Clarify object life status.
701 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
703 * configure, config.h.in: Regenerated.
705 2004-08-03 Dale Johannesen <dalej@apple.com>
707 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
709 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
711 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
712 simplified contents in all former callers.
714 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
716 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
717 the statically linked case.
719 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
721 * splay-tree.[ch]: Remove. Merge contents into ...
722 * mf-runtime.c: ... here, renaming symbols and making all functions
723 static. Remove unused min/max functions.
724 * Makefile.am: Forget about splay-tree.[ch].
725 * Makefile.in, testsuite/Makefile.in: Regenerated.
727 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
729 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
730 (__mfu_usage): Include (C) 2004.
731 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
732 here. Include a comment explaining why.
734 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
736 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
737 * mf-runtime.c (options): Give them a name.
738 (__mf_set_default_options): Set them.
739 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
740 (__mf_violation): Warning cleanup.
741 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
742 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
744 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
747 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
750 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
752 Test case for g++/15861
753 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
754 * testsuite/libmudflap.c++/ctors.exp: Driver.
755 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
756 Look only for *frag* test cases.
758 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
760 ANSI C conversion, libmudflap specialization, recursion limiting.
761 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
762 argument and indirection function pointers, update callers.
763 (splay_tree_s): Add statistics and recursion control fields
764 num_keys, max_depth, depth, rebalance_p.
765 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
766 Back out of search if it exceeds limit.
767 (splay_tree_splay): Manage recursion limiting with rebalancing as
769 (splay_tree_new): More initialization.
770 (splay_tree_rebalance): New function.
771 (splay_tree_foreach): Rewrite using nonrecursive logic.
772 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
773 Remove. Point indirect calls to mf-runtime.c's routines.
774 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
776 (splay_tree_delete, splay_tree_delete_helper): Ditto.
777 * testsuite/heap-scalestress.c: New test based on one from
778 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
780 2004-07-05 Matthias Klose <doko@debian.org>
782 * libtool-version: New.
783 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
784 Use -version-info for soname.
785 * Makefile.in: Regenerate.
786 * configure.ac: Remove libtool_VERSION macro
787 * configure: Regenerate
789 2004-07-05 Zack Weinberg <zack@codesourcery.com>
791 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
792 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
795 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
797 Splay tree implementation fork.
798 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
799 Use hard-coded comparison function for uintptr_t. Remove key/value
800 deallocation logic. Cache last splayed key for consecutive lookups.
801 * Makefile.am, Makefile.in: Use them, don't link to them.
802 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
803 (__mf_find_objects2): Flip successor/predecessor search sequence.
804 * ansidecl.h, libiberty.h: Removed dummy files.
806 2004-06-29 Nick Clifton <nickc@redhat.com>
808 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
809 * configure: Regenerate.
810 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
812 Remove spurious inclusion of <strings.h>.
814 2004-06-29 Nick Clifton <nickc@redhat.com>
816 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
817 function actually exists.
819 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
821 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
822 * config.h.in: Regenerated.
824 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
826 Adopt splay trees for object database.
827 * Makefile.am: Copy splay-tree.* from libiberty.
828 * Makefile.in, testsuite/Makefile.in: Regenerated.
829 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
830 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
831 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
832 * mf-runtime.c: Rewrite code dealing with object database to use
833 libiberty splay trees. Remove tree liveness aging option.
834 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
836 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
838 * configure.ac: New name of configure.in. Update
839 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
840 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
841 Autoconf 2.5x and Automake 1.7 or later.
842 * configure.in: Remove.
843 * configure: Regenerate.
845 * Makefile.am: Remove useless multilib rules.
846 * Makefile.in: Regenerate.
848 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
850 * .cvsignore: New file.
852 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
855 * mf-hooks2.c (semctl): Add cygwin porting hack.
857 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
860 * configure.in: Look for ctype header and glibc implementation.
861 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
862 array hooks for glibc 2.3.
863 * mf-runtime.h.in: Wrap them.
864 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
866 * testsuite/libmudflap.c/pass47-frag.c: New test.
867 * configure, config.h.in: Regenerated.
869 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
871 Portability improvements, e.g., libmudflap/15293.
872 * configure.in: Look for glibc extension functions. Look for
873 support of -f{function,data}-sections. Look for more headers.
874 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
875 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
876 mf-hooks* into usual single object per source.
877 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
878 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
879 if system doesn't provide one.
880 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
881 (pthread_create): Use it to properly GC dead thread stacks.
882 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
883 * testsuite/Makefile.am: Stop generating site.exp.
884 * testsuite/mfconfig.exp.in: New file.
885 * testsuite/config/default.exp: Load new mfconfig.exp.
886 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
887 (prune_gcc_output): Add glibc static linking warnings.
888 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
889 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
890 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
891 Regenerated with autoconf 2.57 and automake 1.7.
893 2004-06-04 Per Bothner <per@bothner.com>
895 * configure.in (LIBMUDFLAPTH): Fix thinko.
897 * configure.in: Check for more headers.
898 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
900 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
901 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
903 2004-06-01 Andreas Jaeger <aj@suse.de>
905 * configure.in: Handle multilibs, support
906 --enable-version-specific-runtime-libs.
907 * Makefile.am (lib_LTLIBRARIES): Rename to ...
908 (toolexeclib_LTLIBRARIES): this for multilib support.
909 * Makefile.in: Regenerated.
910 * configure: Regenerated.
911 * aclocal.m4: Regenerated.
912 * config.h.in: Regenerated.
913 * testsuite/Makefile.in: Regenerated.
915 2004-06-01 Andreas Jaeger <aj@suse.de>
917 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
918 multilibs, using multilib directory instead of hardcoded path.
921 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
923 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
924 * Makefile.in: Ditto.
926 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
928 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
929 * aclocal.m4, configure: Rebuilt.
931 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
933 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
934 import some build settings from libstdc++-v3 testsuite_flags.
935 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
936 changes to pass test language.
938 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
939 quicker mode-nop handling.
941 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
943 * mf-impl.h: Added libgcc license header.
945 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
947 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
948 Added libgcc license header.
949 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
950 (pthread_create): Simplify stack allocation syntax.
952 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
954 * mf-hooks2.c: Support FreeBSD.
955 (WRAP_gets): Avoid gets().
956 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
957 test unimplemented mem/str calls on FreeBSD.
958 * testsuite/libmudflap.c/pass21-frag.c: Do not include
959 <alloca.h> on FreeBSD.
961 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
963 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
964 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
965 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
966 flags for static linking permutation.
967 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
968 some pthreads code that croaks on linux glibc tls.
970 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
972 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
974 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
976 * testsuite/libmudflap.c/pass44-frag.c: New test.
978 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
980 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
982 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
984 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
986 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
988 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
990 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
993 * configure.in: Add check for see if
994 socklen_t typedef is in sys/socket.h.
995 * mf-hooks1.c: Add define if socklen_t
997 * mf-hooks2.c: Likewise.
998 * mf-hooks3.c: Likewise.
999 * config.h.in: Regen.
1002 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
1004 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
1005 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
1007 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
1008 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
1009 (unoptimized) allocation of stack space.
1011 2003-12-07 Richard Henderson <rth@redhat.com>
1013 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
1014 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
1016 2003-12-06 Andrew Pinski <apinski@apple.com>
1018 partial PR libmudflap/12670
1019 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
1020 * mf-hooks2.c: Likewise.
1021 * mf-hooks3.c: Likewise.
1023 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
1026 * mf-runtime.h.in: Switch to #pragma redefine_extname for
1027 symbols interposed at compile time.
1028 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
1031 * mf-hooks2.c (semctl): Tolerate FreeBSD.
1033 * configure.in: Reorganize check for <pthread.h>.
1034 * configure: Regenerated.
1036 2003-11-04 David Edelsohn <edelsohn@gnu.org>
1038 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
1039 (_LARGE_FILE_API): Define for AIX.
1040 * mf-hooks[123]: Same.
1041 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
1043 2003-10-21 David Edelsohn <edelsohn@gnu.org>
1045 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
1047 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
1049 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1051 * configure.in: Update check for union semun.
1053 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1056 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
1058 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
1061 * configure.in: Add checks for 64-bit LFS functions, struct semun
1062 definition, for BSD compatibility.
1063 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
1064 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
1065 * mf-hooks3.c: Ditto.
1066 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
1068 * configure, config.h.in: Regenerated.
1070 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
1072 Multithreading fixes:
1073 * mf-runtime.c (__mf_object): Store allocating/deallocating
1075 (options): Support new "-thread-stack" option.
1076 Rename "-heur-argv-environ" option to "-heur-stdlib".
1077 Disable "-lc-mask" and "-lc-shift" options.
1078 (__mf_dynamic): Add function pointers for pthread_join/_exit.
1079 (__assert_fail): New self-contained function for glibc.
1080 * mf-hooks3.c: Essentially rewritten, particularly related to
1081 use of __mf_pthread_info array.
1082 (pthread_join, _exit): New hook functions.
1083 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
1084 * testsuite/libmudflap.cth/pass40-frag.c: New test.
1087 * mf-heuristics.c: Add type casts for tracing, sub calls.
1088 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
1089 Update all callers to declare explicit result holder.
1090 (END_PROTECT): Removed.
1091 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
1093 2003-07-15 Diego Novillo <dnovillo@redhat.com>
1095 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
1096 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1097 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1099 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
1101 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
1102 * mf-hooks: Removed.
1103 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
1104 Move these macros from old mf-hooks.c here.
1105 * Makefile.am: Adapt to split-up hook sources for faster builds.
1106 * Makefile.in: Regenerated.
1108 * mf-heuristics.c: Remove #if-0 block.
1110 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
1111 (__mf_starting_p): New state only for use while dlsym bootstrapping.
1112 (CALL_REAL, __mf_init): Corresponding changes.
1113 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
1114 all callers to remove redundant "mf:" prefix.
1115 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
1116 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
1117 (__mf_pthread_info): Become a hash table.
1119 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
1120 "dg-repetitions" directives to control test case execution.
1121 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
1123 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
1125 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
1127 * mf-hooks.c (alloca): Separate into stub.
1128 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
1129 malloc/free for alloca blocks.
1130 (pthread_create): Tolerate failing pthread_attr_get* calls.
1131 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
1132 * mf-impl.h (CALL_WRAP): Remove macro.
1133 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
1134 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
1135 padding for ia64 BIT_FIELD_REF constructs.
1137 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
1139 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
1140 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
1141 libmudflap object type.
1142 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
1143 crashes on unregistering STATIC objects.
1145 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
1147 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
1148 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
1149 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
1150 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
1151 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
1152 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
1153 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
1154 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
1155 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
1156 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
1157 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
1158 (accept, bind, connect, gethostname, sethostname): New hooks.
1159 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
1160 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
1161 (semop, semctl, shmctl, shmat, shmdt): New hooks.
1162 * mf-runtime.h.in: Corresponding changes.
1163 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
1164 (opts) Rename heur_argv_environ to heur_std_data.
1165 (__mf_wrap_main): Use STATIC type for argv/environ strings.
1166 * Makefile.am: Corresponding changes.
1167 * Makefile.in: Regenerated.
1169 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
1171 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
1172 heuristic for threaded case, and for non-x86-linux targets.
1173 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
1174 for use during pre-main() program startup.
1175 (__mf_0fn_*): Make these functions non-static.
1176 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
1178 * mf-runtime.c (__mf_state): Set initial state to "starting".
1179 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
1180 (__wrap_main): New function to register argv[] and environ[] strings.
1181 (__mf_ini): Call it.
1182 (*): In all trace functions, use "%p" as formatter for uintptr_t.
1184 * testsuite/libmudflap.c/pass38-frag.c: New test case.
1185 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
1187 * acinclude.m4: Add comments with aoliva's concerns about x86_64
1189 * aclocal.m4, configure: Regenerated.
1191 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
1193 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
1194 * aclocal.m4, configure: Regenerated.
1196 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
1198 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
1199 for x86_64 target. Disable caching for this value.
1200 * aclocal.m4, configure: Regenerated.
1202 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
1204 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
1205 is about to become deprecated, and its present handling bugs are
1208 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
1210 * testsuite/libmudflap.c/pass38-frag.c: New test for
1213 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1215 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
1216 __mf_report, asserting reentrant calling context.
1218 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1220 * mf-hooks.c (realloc): Correct reentrancy logic.
1221 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
1223 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
1225 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
1226 PTHREAD_THREADS_MAX. Update users.
1227 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
1229 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
1230 with libmudflapth presence indicator.
1231 * testsuite/Makefile.in: Regenerated.
1233 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
1235 * Makefile.am (AM_CFLAGS): Remove "-ansi".
1236 * configure.in: Remove silly no-pthreads => no-shared logic.
1237 * Makefile.in, configure: Regenerated.
1238 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
1239 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
1240 code. Count reentrancy events.
1241 (all hook functions): Don't directly manipulate __mf_state variable.
1242 Add TRACE calls to hook functions without them.
1243 * mf-impl.h (LOCKTH): Try to count lock contention events.
1244 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
1245 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
1246 Reorganize reentrancy code.
1247 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
1248 identify reentrancy with mutex holding times.
1249 (internal __mfu_ entry points): Remove internal reentrancy code.
1250 (__mf_init): Use ordinary locked calls.
1251 (__mfu_report): Print the two new counts.
1252 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
1253 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
1254 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
1255 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
1258 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
1260 * configure.in: Add pthread support, plus glibc and porting hacks.
1261 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
1262 from objects built into ./pth/.
1263 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
1264 functions for internal entry points. Update callers to pick
1265 locked vs. unlocked variants.
1266 (__mf_resolve_single_dynamic): Extend to support symbol versioning
1267 info coming in from a static data structure.
1268 (*): Reorder miscellaneous declarations to group data vs functions.
1269 (__mf_set_default_options): Simplify.
1270 (__mf_usage): Mention threading status of host executable.
1271 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
1272 decls to match above.
1273 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
1274 * mf-heuristics.c: Choose between locked/unlocked calls. Add
1275 some lock/unlock markers. Remove some unused code.
1277 (pthread_create): New hook function.
1278 (__mf_pthread_cleanup, _spawner): New helper functions.
1279 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
1281 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
1283 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
1285 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
1287 * Makefile.am (HOOKOBJS): Add *time related hooks.
1288 * configure.in: Look for pthreads.h header.
1289 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
1290 * mf-runtime.c: Begin sketching some pthreads support.
1291 (__mf_usage): Check for -lpthread presence.
1292 (__mf_unregister): Confirm matching unregistration base.
1293 (__mf_find_objects_rec): Reduce unnecessary recursion.
1294 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
1295 #defines for new hook functions.
1296 * mf-impl.h: Corresponding changes.
1297 * config.h.in, configure, Makefile.in: Regenerated.
1299 2002-04-27 Diego Novillo <dnovillo@redhat.com>
1301 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
1302 modifiers to prevent being optimized away.
1303 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
1304 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1305 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
1306 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1307 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
1308 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
1309 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
1311 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1313 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1314 * configure.in: Look for uintptr_t and -ldl on target.
1315 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1316 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1317 * testsuite/Makefile.in: Regenerated.
1318 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1319 for better C compliance.
1321 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1323 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1325 * mf-runtime.c (__mf_set_default_options): Turn off
1326 check-initialization.
1327 (__mf_describe_object): Shorten description.
1328 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1330 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
1332 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1334 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
1336 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1338 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1339 * mf-impl.h (CALL_BACKUP): New macros.
1340 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1342 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
1344 * Makefile.am (AM_CFLAGS): Remove optimization flags.
1345 (HOOKOBJS): Remove dlopen hook.
1346 (libmudflap_la_LIBADD): Add -ldl.
1347 * mf-hooks.c (dlopen): Remove hook.
1348 * mf-impl.h (__mf_dynamic): Ditto.
1349 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1350 * Makefile.in: Regenerated.
1352 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
1354 * configure.in: Check for target gettimeofday, signal, some headers.
1355 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
1356 out inop multi_threaded field.
1357 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1358 (__mf_set_options): Correct handling of "-help".
1359 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1360 (__mf_check, __mf_register, __mf_unregister): Call it.
1361 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1362 (__mf_report_leaks): Make callable
1363 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
1364 distribution statistics.
1365 (__mf_adapt_cache): Rewrite shift guessing logic based on address
1367 * config.h.in, configure: Regenerated.
1368 * testsuite/libmudflap.c/fail27-frag.c: New test.
1369 * testsuite/libmudflap.c/pass36-frag.c: New test.
1371 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
1373 * mf-runtime.h.in: Tweak.
1374 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1375 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1376 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1378 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1380 * configure.in: Tweak generation of mf-runtime.h some more. It
1381 needs to work from both config.status and configure.
1382 * configure: Regenerated.
1384 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1386 * Makefile.am: Reorganize hook file building. Add auto dependencies.
1387 * configure.in: Tweak generation of mf-runtime.h.
1388 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1389 * mf-hooks.c (*): Adapt to initialized-heap object type.
1390 * mf-impl.h: Tweak cemetary boundaries.
1391 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1393 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1394 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1395 * testsuite/lib/libmudflap.exp (includes): Include build tree.
1396 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1398 * testsuite/.../fail{25,26}-frag.c: New tests.
1399 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1400 * Makefile.in, configure: Regenerated.
1402 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1404 * mf-runtime.c (__mf_set_default_options): Turn on initialization
1405 checking by default.
1406 (__mf_insert_new_object): As a temporary hack, assume that new
1407 objects registered on the stack start out initialized.
1408 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1409 heap objects by hand.
1411 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1413 Switch to macro-style hooks for str*/mem*/b* functions.
1414 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1415 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1416 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1417 (__mf_set_default_options): Turn off heur_proc_map.
1418 (*): Adapt to to macro-style hook functions.
1419 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1420 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1421 (__mf_violation): Handle __MF_VIOL_WATCH.
1422 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1423 (__mf_dynamic): Removed mem*/str*/b* functions.
1424 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1425 (WRAPPER2): New macro for macro-style hooks.
1426 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1428 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1429 * mf-heuristics.c: Adapt to macro-style hook functions.
1430 Correct some comments.
1431 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1432 output pattern tests.
1433 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1434 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1436 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1438 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1439 for global array registration.
1440 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1441 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1443 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1445 * Makefile.am: Add gross make bug workarounds. Tweaked
1446 SUBDIRS and AM_CFLAGS.
1447 * Makefile.in: Regenerated.
1449 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1452 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1453 * Makefile.am (TESTS): Remove simple automake testing.
1454 * configure, Makefile.in: Regenerated.
1455 (SUBDIRS): Include new testsuite/ directory.
1456 * tests/*: Removed all files; moved bulk under:
1457 * testsuite/*: New subdirectory tree.
1458 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1459 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1460 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1461 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1462 * testsuite/config/default.exp: New file.
1463 * testsuite/Makefile.am, Makefile.in: New files.
1465 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1467 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1468 (TESTS): Add fail22 and pass29 tests.
1469 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1470 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1471 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1472 values. Move __MF_VIOL* here.
1473 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1474 (check_initialization): New field in __mf_opts. Default off.
1475 (read_count,write_count): New fields in __mf_object.
1476 (__mf_check): Implement basic initialization checking.
1477 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1478 (__mf_describe_object): Print new fields.
1479 (__mf_violation): Identify check/read vs. check/write in messages.
1480 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1481 "-check-initialized" mudflap option.
1482 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1483 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1484 Drop __FILE__/__LINE__ hack. Update callers.
1485 (*): Adapt to new mf-runtime.h API.
1486 * Makefile.in: regenerated.
1488 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1490 * configure.in: Build mf-runtime.h a more proper way.
1491 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1492 * mf-runtime.c (verbose_violations): Turn on by default.
1493 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1494 * mf-impl.h: ... and move it here.
1495 * configure: Regenerated.
1497 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1499 * configure.in: Look for C++ compiler.
1500 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1501 fixed type warnings when built with C++.
1502 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1503 * Makefile.am (TESTS): Run them.
1504 (*) Add new rules for building and running C++ tests.
1505 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1506 * mf-runtime.h.in: Protect with extern "C".
1507 * Makefile, configure: Regenerated.
1509 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1511 Portability improvements.
1512 * configure.in: Look for glibc backtrace headers/functions.
1513 * mf-hooks.c: Don't include <execinfo.h> any more.
1514 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1516 (__mf_backtrace): Provide alternate baby implementation in
1518 * test/mf-driver.c: Portability tweaks.
1519 * acinclude.m4: New file, containing top level libtool.m4.
1520 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1522 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1524 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1526 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1528 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1530 (__mf_unregister): Implement stack/heap object wiping.
1531 (__mf_set_options): Renamed from __mf_process_opts.
1532 (__mf_uncache_object): Change arg type, correct callers.
1533 * mf-impl.h: Corresponding changes.
1534 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1535 * mf-runtime.h.in (__mf_set_options): Extend public API.
1536 * test/pass26-frag.c: New test for stack wiping.
1537 * Makefile.am (TESTS): Run it.
1538 * Makefile.in: Regenerated.
1540 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1542 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1543 * mf-runtime.c (__mf_object_t): Add watching_p field.
1544 (__mf_watch_or_not): New function to implement
1545 object watch flagging.
1546 (__mf_watch, __mf_unwatch): New wrappers for above.
1547 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1548 (__mf_count_violation): Enlarge array.
1549 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1550 unlink object. Clear cache properly.
1551 (__mf_unregister): Unlink object explicitly before uncaching.
1552 * test/fail21-frag.c, pass25-frag.c: New tests.
1553 * Makefile.in, aclocal.m4: Regenerated.
1555 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1557 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1558 * Makefile.am (TESTS): Add it.
1559 * test/pass-stratcliff.c: Add decls of stpcpy.
1560 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1561 build tree from config.h and new file mf-runtime.h.in.
1562 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1563 * Makefile.in, configure, config.h.in: Regenerated.
1564 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1565 * mf-runtime.c (options, __mf_set_default_options): Support new
1566 default "abbreviate" option.
1567 (__mf_object.description_epoch): New field.
1568 (__mf_describe_object): Conditionally abbreviate objects already
1569 displayed in current epoch. Accept NULL input to increment epoch.
1570 (__mf_fini, __mf_ini): Reset description epoch.
1571 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1572 that NULL pointer slot in lookup cache is invalidated. Register a
1573 NOACCESS region around NULL.
1574 * mf-impl.h: Corresponding changes.
1576 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1578 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1579 * Makefile.am: Run them. Install mf-runtime.h.
1580 * Makefile.in: Regenerated.
1581 * mf-hooks.c: Add some markers for more missing functions.
1582 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1583 statistic to tune tune cache size (mask).
1585 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1587 * test/pass23-frag.c: New test for bit_field_ref expressions.
1588 * Makefile.am, Makefile.in: Add new test.
1589 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1590 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1591 * mf-runtime.c (__mf_init): Register errno global.
1592 (__mf_find_object): Removed function.
1593 (__mf_check): Rewrite logic to support accesses across some
1594 contiguous but distinctly registered objects.
1595 (__mf_remove_old_object): Tolerate cache entries that span
1598 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1600 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1601 * Makefile.am, Makefile.in: Run new tests.
1602 * mf-hooks.c (alloca): Correct stack direction logic.
1604 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1606 * mf-impl.h (adapt_cache): New option.
1607 * mf-runtime.c (__mf_set_default_options): Set its default value.
1608 Tweak the tree_aging parameter down.
1609 (__mf_check): Maintain separate counter for cache-adaptation.
1610 (__mf_tree_analyze): New function to collect object tree stats.
1611 (__mf_adapt_cache): New function to automate cache parameters.
1613 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1615 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1616 hypothetical #if-0'd argv/envp region registration.
1617 * mf-runtime.c (__mf_init): Add kludged form of above.
1618 (*) Add "heur_argv_environ" flag, default on, to govern this.
1619 * mf-impl.h: Corresponding changes.
1621 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1623 * test/fail18-frag.c: New test file for NOACCESS regions.
1624 * Makefile.am (TESTS): Add new test.
1625 * Makefile.in: Regenerated.
1627 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1628 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1629 (optimize_object_tree): Remove unused mudflap_option.
1630 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1631 support throughout. Use .._MAX_CEM for cemetary upper bound.
1632 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1634 (__mf_object): Add new liveness field for use by tree aging.
1635 (__mf_check): Trigger tree aging when needed.
1636 (__mf_age_tree): New function to decay liveness field.
1637 (__mf_find_objects_rec): Use liveness field to rotate tree.
1638 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1639 (__mf_unregister): Ditto.
1640 (__mf_register): Tweak duplicate-static message.
1641 (__mf_violation: Tweak nearby-object counter printing.
1643 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1645 * test/pass20-frag.c: New test file.
1646 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1647 * Makefile.in: Regenerated.
1649 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1650 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1651 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1652 entries to avoid repeat registration.
1653 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1654 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1656 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1658 * Makefile.am: Create test sources with #include, not cat>>.
1659 * Makefile.in: Regenerated.
1660 * test/buildtest.sh: Removed.
1661 * test/driver.c (abort_handler, main): Be quiet.
1663 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1665 * test/pass18-frag.c, pass19-frag.c: New tests.
1666 * Makefile.am (check): Run them. Rebuild test programs each time.
1667 * Makefile.in: Regenerated.
1669 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1671 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1672 overlapping object search.
1673 (__mf_violation): Likewise for nearby objects.
1674 Improve nearby-object listing.
1677 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1678 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1680 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1683 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1684 (HOOKOBJS): Add alloca-hook.o.
1685 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1687 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1688 (__mf_backtrace): Reimplement without using alloca.
1689 * Makefile.in: Regenerated.
1692 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1693 Correct signedness bugs in length-tracking variables.
1694 * mf-impl.h: Make options unsigned.
1695 (CALL_WRAP): New macro to parallel CALL_REAL().
1696 (DECLARE): Remove erroneous ";" at end.
1697 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1698 formatting specs with %08lx. Correct several compiler warnings.
1700 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1702 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1704 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1706 libmudflap hook breakup:
1707 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1709 (TESTS): Make dependent on libmudflap.
1710 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1711 compiled from segments of mf-hooks.c.
1712 * mf-hooks.c: Corresponding changes: wrap each function in
1714 * Makefile.in: Regenerated.
1716 Heuristics reorganization:
1717 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1718 Remove these functions. Update callers.
1719 (__mf_heuristic_check): Incorporate all the various heuristics.
1720 Encode cacheability/retry judgement into trinary return value.
1721 Separate start-end logic into a separate fallback heuristic. Only
1722 register relevant /proc/self/map segments.
1723 * mf-impl.h: Corresponding changes.
1724 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1725 (__mf_init): Don't call __mf_init_heuristics.
1728 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1729 "-verbose-trace" to emit all tracing messages other than those of
1730 basic public api. Eliminate some duplicate/excessive messages.
1731 * mf-runtime.h: Corresponding changes.
1733 2002-08-27 Graydon Hoare <graydon@redhat.com>
1735 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1736 and __real when compiled with -DPIC.
1737 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1738 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1739 * Makefile.in: Regenerate.
1741 2002-08-26 Graydon Hoare <graydon@redhat.com>
1743 * mf-impl.h: New file, private implementation header.
1744 * mf-runtime.h: Reorganize a bit.
1745 (CLAMPSZ): Fix arithmetic.
1746 (__MF_CACHE_MISS_P): Fix arithmetic.
1747 * mf-runtime.c: Reorganize a bit.
1748 (__mf_dynamic): New structure.
1749 (resolve_single_dynamic): New function.
1750 (__mf_resolve_dynamics): New function.
1751 (__mf_init): Initialize dynamic wrappers.
1752 * mf-hooks.c: Macro-ize __real calls.
1753 Clamp various bits of arithmetic.
1754 Add explicit __mf_check call contexts.
1755 * Makefile.am: Add dependencies on mf-impl.h
1756 * Makefile.in: Regenerate.
1757 * configure.in: Comment out shared override.
1758 * configure: Regenerate.
1760 2002-08-22 Graydon Hoare <graydon@redhat.com>
1762 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1763 (__mf_check): Re-inialize and check heuristics before violation.
1764 (__mf_register): Permit updating pure-guess regions.
1765 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1766 (__wrap_dlopen): New wrapper function.
1767 (__wrap_mmap): New wrapper function.
1768 (__wrap_munmap): New wrapper function.
1769 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1770 which are not stack addresses.
1771 (is_stack_address): New function.
1772 (__mf_init_heuristics): Save and restore state, always initialize with
1775 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1777 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1778 error. Pass location string.
1779 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1780 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1781 (__mf_process_opts): Apply some sanity checking for lc-mask.
1782 (__mf_check, __mf_violation): Take new location-string argument.
1783 Update callers to pass NULL if necessary.
1784 (__mf_backtrace): New smart backtracer function. Calls replace
1785 several ad-hoc blocks elsewhere.
1786 (__mf_describe_object): Remove bad reentrancy test. Improve
1788 * mf-runtime.h: Corresponding changes. Public/private markup.
1789 (__MF_CACHE_MISS_P): New macro.
1791 2002-08-20 Graydon Hoare <graydon@redhat.com>
1793 * mf-runtime.h: New option: stack_bound (heuristic).
1794 Move some macros out of implementation files.
1795 * mf-runtime.c: New option string: -stack-bound.
1796 Unify recursion protection with hooks.
1798 (__mf_check): Call __mf_heuristic_check.
1799 (__mf_process_opts): Fix "no-" processing.
1800 * mf-heuristics.c (__mf_heuristic_check): New function.
1801 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1803 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1805 Option parsing improvements, region splitting bug fixes:
1806 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1807 * mf-runtime.h (heur_proc_map): New libmudflap option.
1808 * mf-runtime.c (__mf_set_default_options): Set it.
1809 (__mf_usage): Print default values/status.
1810 (__mf_process_opts): Support general "no-" option string prefix.
1811 (__mf_init): Print __mf_usage on unknown-option error.
1812 (__mf_register): Print trace message up front.
1813 Correct region splitting logic for case where a subregion disappears.
1814 Correct memory leak.
1815 (__mf_violation): Make even basic message conditional on option.
1818 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1819 (clean-local): New target.
1820 (test/*x rules): Add -g CFLAGS.
1821 (CFLAGS): Add -freorder-blocks.
1822 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1823 * Makefile.in: Regenerated.
1824 * Makefile, mf-config.h: Removed files.
1826 2002-08-16 Graydon Hoare <graydon@redhat.com>
1828 * mf-runtime.c (__mf_insert_new_object): Factor out of
1830 (__mf_remove_old_object): Factor out of __mf_unregister.
1831 (__mf_register): Handle guessed regions, splitting
1832 guesses when new registrations arrive.
1833 (__mf_unregister): Do not unregister guesses.
1834 * mf-runtime.h: Move convenience macros around,
1835 declare new option fields. Add __MF_TYPE_GUESS.
1836 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1837 (__wrap_free): Call __real_free for deferred frees.
1838 * Makefile.am: Add more tests, fix dependency.
1839 * Makefile.in: Regenerate.
1840 * test/pass[13..17]-frag.c: New testcases.
1841 * test/fail[13..17]-frag.c: New testcases.
1843 2002-08-15 Graydon Hoare <graydon@redhat.com>
1845 * mf-heuristics.c: New file.
1846 * mf-runtime.c (options): Add -trace-calls option.
1847 (__mf_init): Call __mf_init_heuristics.
1849 2002-08-14 Graydon Hoare <graydon@redhat.com>
1851 * Makefile.am (TESTS): Add testsuite support.
1852 * Makefile.in: Regenerate.
1853 * test/mf-driver.c: New file.
1854 * test/buildtest.sh: New file.
1855 * test/passNN-frag.c: New testcases.
1856 * test/failNN-frag.c: New testcases.
1858 2002-08-14 Graydon Hoare <graydon@redhat.com>
1860 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1861 verifying non-size-limited string extents.
1863 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1865 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1866 instead of plain str[n]len for internal checks.
1867 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1869 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1871 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1873 2002-08-13 Graydon Hoare <graydon@redhat.com>
1875 * mf-runtime.c: Rework configuration to operate on
1876 environment variable options rather than #defines
1877 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1878 (__mf_init): Set static __mf_active_p flag on startup,
1879 to inhibit mudflap wrap-based checking during crt0.s.
1880 * mf-runtime.h: Declare options structure.
1881 * mf-hooks.c: New wrappings for mem*, b*, str*
1882 libc functions (temporarily #if 0-ed out).
1884 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1886 * Makefile.am, configure.in: New files.
1887 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1888 * stamp-h.in, aclocal.m4: Ditto.
1890 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1892 * Makefile: New file.
1893 * mf-config.h: New file: runtime configuration.
1894 * mf-hooks.c: New file: interposed libc functions.
1895 * mf-runtime.c: New file: bulk of runtime.
1896 * mf-runtime.h: New file: public functions.
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