1 2010-10-31 Jason Merrill <jason@redhat.com>
4 * testsuite/libmudflap.cth/pass40-frag.c: Increase timeout to 30.
6 2010-08-20 Uros Bizjak <ubizjak@gmail.com>
8 * testsuite/libmudflap.c++/pass41-frag.cxx (dg-prune-output):
11 2010-06-09 Iain Sandoe <iains@gcc.gnu.org>
14 * configure: Regenerate.
16 2010-05-16 Uros Bizjak <ubizjak@gmail.com>
18 * testsuite/libmudflap.c/pass46-frag.c (dg-options): Remove -Wall.
20 2010-05-15 Uros Bizjak <ubizjak@gmail.com>
22 * testsuite/lib/mfdg.exp (additional_prunes): New global.
23 (dg-test): Clear additional_prunes before test is run.
24 (dg-prune-output): New procedure.
25 * testsuite/lib/libmudflap.exp (libmudflap-dg-test): Do not call
27 (libmudflap-dg-prune): New procedure.
28 * testsuite/libmudflap.c++/pass57-frag.cxx (dg-prune-output):
31 2010-05-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
34 * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
35 * Makefile.in: Regenerate.
36 * testsuite/Makefile.in: Regenerate.
38 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
40 * Makefile.in: Regenerate.
41 * aclocal.m4: Regenerate.
42 * testsuite/Makefile.in: Regenerate.
44 2010-03-15 David S. Miller <davem@davemloft.net>
46 * testsuite/libmudflap.c/pass54-frag.c: Add explicit return from
49 2010-01-09 Jakub Jelinek <jakub@redhat.com>
51 * mf-runtime.c (__mf_usage): Update copyright notice dates.
53 2009-12-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
55 * Makefile.in: Regenerate.
56 * configure: Regenerate.
57 * testsuite/Makefile.in: Regenerate.
59 2009-09-22 Frank Ch. Eigler <fche@redhat.com>
62 * mf-runtime.c (__mf_init): Ignore $MUDFLAP_OPTIONS if
63 running setuid or setgid.
65 2009-09-01 Loren J. Rittle <ljrittle@acm.org>
67 * mf-runtime.c (__mf_init): Support FreeBSD.
68 Prime mutex which calls calloc upon first lock to avoid deadlock.
69 * mf-hooks1.c (__mf_0fn_mmap): Support FreeBSD.
70 Ignore red zone allocation request for initial thread's stack.
72 2009-09-01 Loren J. Rittle <ljrittle@acm.org>
73 Andreas Schwab <schwab@linux-m68k.org>
75 * testsuite/libmudflap.c/pass51-frag.c (MAP_FAILED): Define,
76 if not in system header; use it. On FreeBSD, must pass fd==-1
77 with MAP_ANON flag. Correct mmap error check.
78 * testsuite/libmudflap.c/fail40-frag.c: Ditto.
80 2009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
82 * configure.ac (AC_PREREQ): Bump to 2.64.
84 2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
86 * Makefile.am (install-html, install-pdf): Remove.
87 * Makefile.in: Regenerate.
89 * Makefile.in: Regenerate.
90 * aclocal.m4: Regenerate.
91 * config.h.in: Regenerate.
92 * configure: Regenerate.
93 * testsuite/Makefile.in: Regenerate.
95 2009-07-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
97 * configure.ac (_AC_ARG_VAR_PRECIOUS): Use m4_rename_force.
99 2009-07-16 Joseph Myers <joseph@codesourcery.com>
101 * configure: Regenerate.
103 2009-07-11 Richard Sandiford <rdsandiford@googlemail.com>
108 * testsuite/lib/libmudflap.exp: Revert 2009-06-30 commit.
110 2009-07-01 Richard Guenther <rguenther@suse.de>
112 PR tree-optimization/19831
113 * testsuite/libmudflap.c/fail11-frag.c: Make allocated memory
115 * testsuite/libmudflap.c/fail12-frag.c: Likewise.
116 * testsuite/libmudflap.c/fail16-frag.c: Likewise.
117 * testsuite/libmudflap.c/fail31-frag.c: Likewise.
119 2009-06-30 Richard Sandiford <r.sandiford@uk.ibm.com>
121 * testsuite/lib/libmudflap.exp (libmudflap-init): Don't add "."
122 to ld_library_path. Use add_path. Add just find_libgcc_s to
123 ld_library_path, not every libgcc multilib directory.
125 2009-04-09 Nick Clifton <nickc@redhat.com>
127 * mf-hooks1.c: Change copyright header to refer to version 3
128 of the GNU General Public License with version 3.1 of the GCC
129 Runtime Library Exception and to point readers at the COPYING3
130 and COPYING3.RUNTIME files and the FSF's license web page.
131 * mf-heuristics.c: Likewise.
132 * mf-hooks2.c: Likewise.
133 * mf-hooks3.c: Likewise.
134 * mf-impl.h: Likewise.
135 * mf-runtime.c: Likewise.
136 * mf-runtime.h: Likewise.
138 2009-04-09 Jakub Jelinek <jakub@redhat.com>
140 * testsuite/lib/mfdg.exp: Change copyright header to refer to
141 version 3 of the GNU General Public License and to point readers
142 at the COPYING3 file and the FSF's license web page.
143 * testsuite/lib/libmudflap.exp: Likewise.
145 2009-03-31 Ben Elliston <bje@au.ibm.com>
148 * testsuite/libmudflap.c/fail27-frag.c: Match `mudflap dead
149 object', not `mudflap object'.
151 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
153 * configure: Regenerate.
155 2009-02-03 Jakub Jelinek <jakub@redhat.com>
157 * mf-runtime.c (__mf_usage): Update copyright notice dates.
159 2009-01-23 Jie Zhang <jie.zhang@analog.com>
161 * mf-impl.h (__mf_get_state, __mf_set_state): Don't use
162 __thread when TLS support is emulated.
163 * mf-hooks3.c (__mf_get_state, __mf_set_state): Likewise.
164 * mf-runtime.c (__mf_state_1): Likewise.
165 * configure.ac: Use GCC_CHECK_EMUTLS.
166 * configure: Regenerate.
167 * config.h.in: Regenerate.
169 2008-12-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
171 * configure: Regenerate.
173 2008-11-26 Janis Johnson <janis187@us.ibm.com>
176 * testsuite/lib/mfdg.exp (dg-test): Use new timeout support.
177 (dg-timeout): Remove.
178 (standard-wait): Remove.
179 * testsuite/lib/libmudflap.exp: Include new timeout library files.
180 (libmudflap_target_compile): Set timeout value from new proc.
182 2008-11-10 Jakub Jelinek <jakub@redhat.com>
185 * testsuite/libmudflap.c/pass67-frag.c: New test.
187 2008-10-09 Jakub Jelinek <jakub@redhat.com>
190 * testsuite/libmudflap.c++/pass66-frag.cxx: New test.
192 2008-09-26 Peter O'Gorman <pogma@thewrittenword.com>
193 Steve Ellcey <sje@cup.hp.com>
195 * configure: Regenerate for new libtool.
196 * Makefile.in: Ditto.
197 * testsuite/Makefile.in: Ditto.
199 2008-09-15 Jakub Jelinek <jakub@redhat.com>
202 * testsuite/libmudflap.c/pass64-frag.c: New test.
204 2008-06-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
206 * Makefile.in: Regenerate.
207 * config.h.in: Regenerate.
208 * configure: Regenerate.
209 * testsuite/Makefile.in: Regenerate.
211 2008-04-18 Paolo Bonzini <bonzini@gnu.org>
214 * aclocal.m4: Regenerate.
215 * configure: Regenerate.
217 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
219 * testsuite/libmudflap.c/pass63-frag.c: New test.
221 2008-03-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
223 * aclocal.m4: Regenerate.
224 * configure: Likewise.
225 * Makefile.in: Likewise.
226 * testsuite/Makefile.in: Likewise.
228 2008-03-02 Jakub Jelinek <jakub@redhat.com>
230 * mf-runtime.c (__mf_usage): Update copyright notice dates.
232 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
234 * testsuite/libmudflap.c/fail8-frag.c: Adjust scan pattern for
236 * testsuite/libmudflap.c/fail9-frag.c: Ditto.
238 2008-01-24 David Edelsohn <edelsohn@gnu.org>
240 * configure: Regenerate.
242 2008-01-05 Jakub Jelinek <jakub@redhat.com>
244 PR tree-optimization/34618
245 * testsuite/libmudflap.c/pass62-frag.c: New test.
247 2008-01-03 Jakub Jelinek <jakub@redhat.com>
250 * testsuite/libmudflap.c++/pass61-frag.cxx: New test.
252 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
255 * testsuite/libmudflap.c++/pass60-frag.cxx: New test.
257 2007-10-15 Maciej W. Rozycki <macro@linux-mips.org>
259 * configure: Regenerate following changes to ../config/tls.m4.
261 2007-07-26 Tom Tromey <tromey@redhat.com>
263 * Makefile.in: Rebuilt.
264 * Makefile.am (clean-local): Removed.
265 (pth/mf-runtime.lo, pth/mf-heuristics.lo, pth/mf-hooks1.lo,
266 pth/mf-hooks2.lo, pth/mf-hooks3.lo): Likewise.
267 (libmudflapth_la_SOURCES): List sources.
268 (libmudflapth_la_LIBADD): Clear.
269 (libmudflapth_la_CFLAGS): New variable.
271 2007-07-05 H.J. Lu <hongjiu.lu@intel.com>
273 * aclocal.m4: Regenerated.
275 2007-06-02 Paolo Bonzini <bonzini@gnu.org>
277 * configure: Regenerate.
279 2007-05-31 Frank Ch. Eigler <fche@redhat.com>
281 From Andi Kleen <ak@suse.de>:
282 * mf-runtime.c (options): Rename structure for compatibility with
285 2007-05-23 Steve Ellcey <sje@cup.hp.com>
287 * Makefile.in: Regenerate.
288 * configure: Regenerate.
289 * aclocal.m4: Regenerate.
290 * testsuite/Makefile.in: Regenerate.
292 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
294 * testsuite/libmudflap.cth/pass59-frag.c (main): Fix casting of arg.
296 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
298 * Makefile.am: Add dummy install-pdf target.
299 * Makefile.in: Regenerate
301 2007-02-07 Jakub Jelinek <jakub@redhat.com>
304 * configure: Regenerate.
306 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
308 * configure: Regenerate.
310 2006-11-13 Daniel Jacobowitz <dan@codesourcery.com>
312 * configure: Regenerated.
314 2006-11-10 Frank Ch. Eigler <fche@redhat.com>
317 * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
318 static but not function scope static.
319 (free): Skip deallocation attempts for objects placed into
321 * testsuite/libmudflap.cth/pass59-frag.c: New test.
323 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
325 From Herman ten Brugge <hermantenbrugge@home.nl>:
326 * mf-runtime.c (__mf_uncache_object): Optimize the code so that
327 small and large objects are handled a lot faster.
329 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
331 * configure.ac (__libc_freeres): Look for it.
332 * mf-impl.h (call_libc_freeres): New configuration flag.
333 * mf-runtime.c (__mf_set_default_options): Set it by default.
334 (__mfu_report): Call it if needed.
335 (__mfu_unregister): Remove "unaccessed registered object" warning.
336 * configure, config.h.in: Regenerated.
338 2006-09-18 Tom Tromey <tromey@redhat.com>
340 * configure: Rebuilt.
342 2006-06-21 Frank Ch. Eigler <fche@redhat.com>
345 mf-runtime.h installation based on ssp patch for PR 26473 from
346 Mark Mitchell <mark@codesourcery.com>.
347 * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
348 * Makefile.am (target_noncanonical): Define.
349 (libsubincludedir): New variable.
350 (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
351 (include_HEADERS): Remove.
352 * configure, aclocal.m4, config.h.in: Regenerated.
353 * Makefile.in, testsuite/Makefile.in: Likewise.
354 * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
355 and _THREAD_SAFE redefinition values.
357 2006-05-23 Carlos O'Donell <carlos@codesourcery.com>
359 * Makefile.am: Add install-html target. Add install-html to .PHONY
360 * Makefile.in: Regenerate.
362 2006-04-19 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
365 * testsuite/libmudflap.c++/error1-frag.cxx: New test.
368 * testsuite/libmudflap.c++/error2-frag.cxx: New test.
370 2006-04-10 Matthias Klose <doko@debian.org>
372 * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
373 directory names containing underscores.
375 2005-11-22 Janis Johnson <janis187@us.ibm.com>
377 * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
378 MUDFLAP_FLAGS if static library not supported.
379 * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
380 * testsuite/libmudflap.c/externs.exp: Ditto.
381 * testsuite/libmudflap.c++/ctors.exp: Ditto.
382 * testsuite/libmudflap.c++/c++frags.exp: Ditto.
383 * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
385 2005-10-04 James E Wilson <wilson@specifix.com>
387 * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
388 $name as array of characters with unknown bound. Also store into the
390 * configure: Regenerate.
392 2005-09-30 James E. Wilson <wilson@specifix.com>
394 * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
396 (target_thread_file): New. Set from sed'ed gcc output.
397 (posix_threads): New. Set from target_thread_file. Use instead of
399 (pthread_create_version): Move initialization before code using it.
400 * configure: Regenerate.
402 * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
405 2005-09-29 James E. Wilson <wilson@specifix.com>
407 * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
408 with HAVE_MMAP ifdef.
410 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
413 * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
415 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
417 * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
419 2005-09-23 Tom Tromey <tromey@redhat.com>
421 * aclocal.m4, configure: Rebuilt.
422 * configure.ac: Use GCC_CHECK_TLS.
423 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
426 2005-08-22 Jim Wilson <wilson@specifix.com>
428 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
429 __FreeBSD__ is defined.
431 2005-08-17 Jim Wilson <wilson@specifix.com>
433 * mf-hooks1.c (malloc, calloc, realloc, free,
434 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
435 the real routines, and END_MALLOC_PROTECT afterwards.
436 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
437 (BEGIN_PROTECT): Handle in_malloc state.
438 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
439 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
441 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
443 * All files: Update FSF address.
445 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
447 * mf-hooks3.c (main_seen_p): Remove.
448 (__mf_get_state): Remove attempt to recognize the main thread.
450 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
452 * configure.ac: Test for the name of the symbol used for the entry
453 point; define ENTRY_POINT to the result.
454 * configure: Regenerate.
455 * config.h.in: Regenerate.
456 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
458 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
460 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
461 (__mf_init): Set thread state active.
462 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
464 (pthread_create wrapper): Always use thread spawner.
466 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
467 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
469 2005-07-16 Richard Henderson <rth@redhat.com>
471 * acinclude.m4: New file.
472 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
473 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
474 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
475 (__mf_0fn_calloc): ... here.
476 * mf-hooks3.c (struct pthread_info): Remove.
477 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
478 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
479 (struct mf_thread_data): New.
480 (mf_thread_data, mf_thread_data_lock): New.
481 (__mf_allocate_blank_threadinfo): Remove.
482 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
484 (__mf_state_perthread): Remove.
485 (__mf_get_state, __mf_set_state): New.
486 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
487 Update mf_thread_data killing procedure.
488 (__mf_pthread_spawner): Similarly.
489 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
490 code to allocate thread stack space.
491 (__mf_0fn_pthread_join, pthread_join): Remove.
492 (__mf_0fn_pthread_exit, pthread_exit): Remove.
493 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
494 (__mf_state_1): Rename from __mf_state; use TLS when available.
495 (__mf_get_state, __mf_set_state): New. Update all users.
496 * mf-runtime.c (begin_recursion_protect1): New.
497 (BEGIN_RECURSION_PROTECT): Use it.
498 (__mf_state_1): Rename from __mf_state; use TLS when available.
499 (threads_active_p): Remove.
500 (__mf_usage): Compute it directly.
502 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
504 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
506 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
508 Fix for uncaching bug reported by Herman ten Brugge.
509 * mf-runtime.c (__mf_uncache_object): Search whole cache.
510 * testsuite/libmudflap.c/fail40-frag.c: New test.
512 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
515 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
516 * Makefile.in: Amend.
518 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
521 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
522 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
524 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
527 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
529 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
532 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
533 unsigned vars with #defines instead of enums.
535 2005-05-09 Mike Stump <mrs@apple.com>
537 * configure: Regenerate.
539 2005-04-12 Mike Stump <mrs@apple.com>
541 * configure: Regenerate.
543 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
546 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
547 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
549 2005-04-04 Alan Modra <amodra@bigpond.net.au>
551 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
553 2005-03-31 Mike Stump <mrs@apple.com>
555 * mf-runtime.h: Add libmudflap copyright clause.
557 2005-03-21 Mike Stump <mrs@apple.com>
559 * mf-heuristics.c: Fix whitespace at end of line.
560 * mf-hooks1.c: Likewise.
561 * mf-hooks2.c: Likewise.
562 * mf-hooks3.c: Likewise.
563 * mf-impl.h: Likewise.
564 * mf-runtime.c: Likewise.
565 * mf-runtime.h: Likewise.
567 2005-03-21 Zack Weinberg <zack@codesourcery.com>
569 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
570 In all substitutions, expand gcc_version in Makefile.
571 * aclocal.m4, configure: Regenerate.
572 * Makefile.am: Set gcc_version.
573 * Makefile.in, testsuite/Makefile.in: Regenerate.
575 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
577 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
578 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
580 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
583 * testsuite/libmudflap.c++/pass55-frag.c: New test.
585 2005-01-05 Richard Henderson <rth@redhat.com>
587 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
589 2005-01-02 Greg McGary <greg@mcgary.org>
591 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
592 * mf-runtime.h: New file, replaces mf-runtime.h.in.
593 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
594 * Makefile.in: Ditto.
595 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
596 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
597 * testsuite/libmudflap.c/fail36-frag.c: New test.
598 * testsuite/libmudflap.c/fail37-frag.c: New test.
599 * testsuite/libmudflap.c/fail38-frag.c: New test.
601 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
603 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
604 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
606 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
608 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
609 * aclocal.m4: Include ../config/gcc-version.m4.
610 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
612 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
614 * Makefile.am: Define ACLOCAL_AMFLAGS.
615 * acinclude.m4: Remove.
616 * stamp-h.in: Remove superfluous stamp file.
617 * aclocal.m4, configure, Makefile.in: Regenerate.
618 * testsuite/Makefile.in: Likewise.
620 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
622 * Makefile.am: Revert previous.
623 * acinclude.m4: Restore.
624 * aclocal.m4, configure, Makefile.in: Regenerate.
625 * testsuite/Makefile.in: Likewise.
627 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
629 * Makefile.am: Define ACLOCAL_AMFLAGS.
630 * acinclude.m4: Remove.
631 * aclocal.m4, configure, Makefile.in: Regenerate.
632 * testsuite/Makefile.in: Likewise.
634 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
636 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
638 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
640 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
641 * testsuite/Makefile.in: Likewise.
643 2004-11-01 Andreas Schwab <schwab@suse.de>
645 * configure.ac: (target_alias): Default to $host_alias, not
647 * configure: Regenerated.
649 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
651 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
652 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
655 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
658 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
660 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
662 * configure.ac: Check for more headers, functions.
663 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
664 tracking overridden FILE buffers.
665 (fopen, setvbuf): New/revised hook functions for buffer overriding.
666 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
667 (fflush): Accept given NULL stream (means "all streams").
669 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
671 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
672 (__mf_adapt_cache): Use them all.
673 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
674 * testsuite/libmudflap.c++/ctors.exp: Ditto.
675 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
676 * configure, config.h.in: Regenerated.
678 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
680 * configure.ac: Checking for sys/socket.h once is enough.
681 * configure: Regenerated.
683 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
685 * configure.ac: Look for more headers & functions.
686 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
687 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
688 * mf-runtime.c (options): Clean up integer signedness warnings.
689 (main): Add a declaration to fix a warning.
690 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
691 * configure, config.h.in: Regenerated.
693 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
695 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
696 New tests for proper base/limit checking for aggregates.
698 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
700 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
702 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
704 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
705 * mf-hooks2.c (strerror): Unregister previous string returned by
707 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
708 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
709 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
710 * mf-runtime.c (__mf_describe_object): Clarify object life status.
711 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
713 * configure, config.h.in: Regenerated.
715 2004-08-03 Dale Johannesen <dalej@apple.com>
717 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
719 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
721 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
722 simplified contents in all former callers.
724 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
726 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
727 the statically linked case.
729 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
731 * splay-tree.[ch]: Remove. Merge contents into ...
732 * mf-runtime.c: ... here, renaming symbols and making all functions
733 static. Remove unused min/max functions.
734 * Makefile.am: Forget about splay-tree.[ch].
735 * Makefile.in, testsuite/Makefile.in: Regenerated.
737 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
739 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
740 (__mfu_usage): Include (C) 2004.
741 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
742 here. Include a comment explaining why.
744 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
746 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
747 * mf-runtime.c (options): Give them a name.
748 (__mf_set_default_options): Set them.
749 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
750 (__mf_violation): Warning cleanup.
751 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
752 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
754 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
757 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
760 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
762 Test case for g++/15861
763 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
764 * testsuite/libmudflap.c++/ctors.exp: Driver.
765 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
766 Look only for *frag* test cases.
768 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
770 ANSI C conversion, libmudflap specialization, recursion limiting.
771 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
772 argument and indirection function pointers, update callers.
773 (splay_tree_s): Add statistics and recursion control fields
774 num_keys, max_depth, depth, rebalance_p.
775 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
776 Back out of search if it exceeds limit.
777 (splay_tree_splay): Manage recursion limiting with rebalancing as
779 (splay_tree_new): More initialization.
780 (splay_tree_rebalance): New function.
781 (splay_tree_foreach): Rewrite using nonrecursive logic.
782 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
783 Remove. Point indirect calls to mf-runtime.c's routines.
784 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
786 (splay_tree_delete, splay_tree_delete_helper): Ditto.
787 * testsuite/heap-scalestress.c: New test based on one from
788 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
790 2004-07-05 Matthias Klose <doko@debian.org>
792 * libtool-version: New.
793 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
794 Use -version-info for soname.
795 * Makefile.in: Regenerate.
796 * configure.ac: Remove libtool_VERSION macro
797 * configure: Regenerate
799 2004-07-05 Zack Weinberg <zack@codesourcery.com>
801 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
802 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
805 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
807 Splay tree implementation fork.
808 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
809 Use hard-coded comparison function for uintptr_t. Remove key/value
810 deallocation logic. Cache last splayed key for consecutive lookups.
811 * Makefile.am, Makefile.in: Use them, don't link to them.
812 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
813 (__mf_find_objects2): Flip successor/predecessor search sequence.
814 * ansidecl.h, libiberty.h: Removed dummy files.
816 2004-06-29 Nick Clifton <nickc@redhat.com>
818 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
819 * configure: Regenerate.
820 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
822 Remove spurious inclusion of <strings.h>.
824 2004-06-29 Nick Clifton <nickc@redhat.com>
826 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
827 function actually exists.
829 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
831 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
832 * config.h.in: Regenerated.
834 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
836 Adopt splay trees for object database.
837 * Makefile.am: Copy splay-tree.* from libiberty.
838 * Makefile.in, testsuite/Makefile.in: Regenerated.
839 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
840 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
841 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
842 * mf-runtime.c: Rewrite code dealing with object database to use
843 libiberty splay trees. Remove tree liveness aging option.
844 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
846 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
848 * configure.ac: New name of configure.in. Update
849 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
850 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
851 Autoconf 2.5x and Automake 1.7 or later.
852 * configure.in: Remove.
853 * configure: Regenerate.
855 * Makefile.am: Remove useless multilib rules.
856 * Makefile.in: Regenerate.
858 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
860 * .cvsignore: New file.
862 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
865 * mf-hooks2.c (semctl): Add cygwin porting hack.
867 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
870 * configure.in: Look for ctype header and glibc implementation.
871 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
872 array hooks for glibc 2.3.
873 * mf-runtime.h.in: Wrap them.
874 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
876 * testsuite/libmudflap.c/pass47-frag.c: New test.
877 * configure, config.h.in: Regenerated.
879 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
881 Portability improvements, e.g., libmudflap/15293.
882 * configure.in: Look for glibc extension functions. Look for
883 support of -f{function,data}-sections. Look for more headers.
884 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
885 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
886 mf-hooks* into usual single object per source.
887 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
888 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
889 if system doesn't provide one.
890 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
891 (pthread_create): Use it to properly GC dead thread stacks.
892 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
893 * testsuite/Makefile.am: Stop generating site.exp.
894 * testsuite/mfconfig.exp.in: New file.
895 * testsuite/config/default.exp: Load new mfconfig.exp.
896 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
897 (prune_gcc_output): Add glibc static linking warnings.
898 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
899 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
900 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
901 Regenerated with autoconf 2.57 and automake 1.7.
903 2004-06-04 Per Bothner <per@bothner.com>
905 * configure.in (LIBMUDFLAPTH): Fix thinko.
907 * configure.in: Check for more headers.
908 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
910 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
911 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
913 2004-06-01 Andreas Jaeger <aj@suse.de>
915 * configure.in: Handle multilibs, support
916 --enable-version-specific-runtime-libs.
917 * Makefile.am (lib_LTLIBRARIES): Rename to ...
918 (toolexeclib_LTLIBRARIES): this for multilib support.
919 * Makefile.in: Regenerated.
920 * configure: Regenerated.
921 * aclocal.m4: Regenerated.
922 * config.h.in: Regenerated.
923 * testsuite/Makefile.in: Regenerated.
925 2004-06-01 Andreas Jaeger <aj@suse.de>
927 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
928 multilibs, using multilib directory instead of hardcoded path.
931 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
933 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
934 * Makefile.in: Ditto.
936 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
938 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
939 * aclocal.m4, configure: Rebuilt.
941 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
943 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
944 import some build settings from libstdc++-v3 testsuite_flags.
945 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
946 changes to pass test language.
948 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
949 quicker mode-nop handling.
951 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
953 * mf-impl.h: Added libgcc license header.
955 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
957 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
958 Added libgcc license header.
959 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
960 (pthread_create): Simplify stack allocation syntax.
962 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
964 * mf-hooks2.c: Support FreeBSD.
965 (WRAP_gets): Avoid gets().
966 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
967 test unimplemented mem/str calls on FreeBSD.
968 * testsuite/libmudflap.c/pass21-frag.c: Do not include
969 <alloca.h> on FreeBSD.
971 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
973 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
974 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
975 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
976 flags for static linking permutation.
977 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
978 some pthreads code that croaks on linux glibc tls.
980 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
982 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
984 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
986 * testsuite/libmudflap.c/pass44-frag.c: New test.
988 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
990 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
992 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
994 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
996 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
998 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
1000 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
1003 * configure.in: Add check for see if
1004 socklen_t typedef is in sys/socket.h.
1005 * mf-hooks1.c: Add define if socklen_t
1007 * mf-hooks2.c: Likewise.
1008 * mf-hooks3.c: Likewise.
1009 * config.h.in: Regen.
1012 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
1014 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
1015 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
1017 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
1018 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
1019 (unoptimized) allocation of stack space.
1021 2003-12-07 Richard Henderson <rth@redhat.com>
1023 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
1024 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
1026 2003-12-06 Andrew Pinski <apinski@apple.com>
1028 partial PR libmudflap/12670
1029 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
1030 * mf-hooks2.c: Likewise.
1031 * mf-hooks3.c: Likewise.
1033 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
1036 * mf-runtime.h.in: Switch to #pragma redefine_extname for
1037 symbols interposed at compile time.
1038 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
1041 * mf-hooks2.c (semctl): Tolerate FreeBSD.
1043 * configure.in: Reorganize check for <pthread.h>.
1044 * configure: Regenerated.
1046 2003-11-04 David Edelsohn <edelsohn@gnu.org>
1048 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
1049 (_LARGE_FILE_API): Define for AIX.
1050 * mf-hooks[123]: Same.
1051 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
1053 2003-10-21 David Edelsohn <edelsohn@gnu.org>
1055 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
1057 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
1059 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1061 * configure.in: Update check for union semun.
1063 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1066 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
1068 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
1071 * configure.in: Add checks for 64-bit LFS functions, struct semun
1072 definition, for BSD compatibility.
1073 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
1074 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
1075 * mf-hooks3.c: Ditto.
1076 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
1078 * configure, config.h.in: Regenerated.
1080 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
1082 Multithreading fixes:
1083 * mf-runtime.c (__mf_object): Store allocating/deallocating
1085 (options): Support new "-thread-stack" option.
1086 Rename "-heur-argv-environ" option to "-heur-stdlib".
1087 Disable "-lc-mask" and "-lc-shift" options.
1088 (__mf_dynamic): Add function pointers for pthread_join/_exit.
1089 (__assert_fail): New self-contained function for glibc.
1090 * mf-hooks3.c: Essentially rewritten, particularly related to
1091 use of __mf_pthread_info array.
1092 (pthread_join, _exit): New hook functions.
1093 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
1094 * testsuite/libmudflap.cth/pass40-frag.c: New test.
1097 * mf-heuristics.c: Add type casts for tracing, sub calls.
1098 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
1099 Update all callers to declare explicit result holder.
1100 (END_PROTECT): Removed.
1101 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
1103 2003-07-15 Diego Novillo <dnovillo@redhat.com>
1105 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
1106 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1107 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1109 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
1111 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
1112 * mf-hooks: Removed.
1113 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
1114 Move these macros from old mf-hooks.c here.
1115 * Makefile.am: Adapt to split-up hook sources for faster builds.
1116 * Makefile.in: Regenerated.
1118 * mf-heuristics.c: Remove #if-0 block.
1120 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
1121 (__mf_starting_p): New state only for use while dlsym bootstrapping.
1122 (CALL_REAL, __mf_init): Corresponding changes.
1123 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
1124 all callers to remove redundant "mf:" prefix.
1125 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
1126 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
1127 (__mf_pthread_info): Become a hash table.
1129 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
1130 "dg-repetitions" directives to control test case execution.
1131 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
1133 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
1135 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
1137 * mf-hooks.c (alloca): Separate into stub.
1138 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
1139 malloc/free for alloca blocks.
1140 (pthread_create): Tolerate failing pthread_attr_get* calls.
1141 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
1142 * mf-impl.h (CALL_WRAP): Remove macro.
1143 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
1144 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
1145 padding for ia64 BIT_FIELD_REF constructs.
1147 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
1149 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
1150 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
1151 libmudflap object type.
1152 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
1153 crashes on unregistering STATIC objects.
1155 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
1157 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
1158 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
1159 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
1160 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
1161 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
1162 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
1163 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
1164 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
1165 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
1166 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
1167 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
1168 (accept, bind, connect, gethostname, sethostname): New hooks.
1169 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
1170 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
1171 (semop, semctl, shmctl, shmat, shmdt): New hooks.
1172 * mf-runtime.h.in: Corresponding changes.
1173 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
1174 (opts) Rename heur_argv_environ to heur_std_data.
1175 (__mf_wrap_main): Use STATIC type for argv/environ strings.
1176 * Makefile.am: Corresponding changes.
1177 * Makefile.in: Regenerated.
1179 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
1181 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
1182 heuristic for threaded case, and for non-x86-linux targets.
1183 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
1184 for use during pre-main() program startup.
1185 (__mf_0fn_*): Make these functions non-static.
1186 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
1188 * mf-runtime.c (__mf_state): Set initial state to "starting".
1189 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
1190 (__wrap_main): New function to register argv[] and environ[] strings.
1191 (__mf_ini): Call it.
1192 (*): In all trace functions, use "%p" as formatter for uintptr_t.
1194 * testsuite/libmudflap.c/pass38-frag.c: New test case.
1195 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
1197 * acinclude.m4: Add comments with aoliva's concerns about x86_64
1199 * aclocal.m4, configure: Regenerated.
1201 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
1203 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
1204 * aclocal.m4, configure: Regenerated.
1206 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
1208 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
1209 for x86_64 target. Disable caching for this value.
1210 * aclocal.m4, configure: Regenerated.
1212 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
1214 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
1215 is about to become deprecated, and its present handling bugs are
1218 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
1220 * testsuite/libmudflap.c/pass38-frag.c: New test for
1223 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1225 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
1226 __mf_report, asserting reentrant calling context.
1228 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1230 * mf-hooks.c (realloc): Correct reentrancy logic.
1231 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
1233 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
1235 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
1236 PTHREAD_THREADS_MAX. Update users.
1237 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
1239 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
1240 with libmudflapth presence indicator.
1241 * testsuite/Makefile.in: Regenerated.
1243 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
1245 * Makefile.am (AM_CFLAGS): Remove "-ansi".
1246 * configure.in: Remove silly no-pthreads => no-shared logic.
1247 * Makefile.in, configure: Regenerated.
1248 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
1249 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
1250 code. Count reentrancy events.
1251 (all hook functions): Don't directly manipulate __mf_state variable.
1252 Add TRACE calls to hook functions without them.
1253 * mf-impl.h (LOCKTH): Try to count lock contention events.
1254 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
1255 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
1256 Reorganize reentrancy code.
1257 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
1258 identify reentrancy with mutex holding times.
1259 (internal __mfu_ entry points): Remove internal reentrancy code.
1260 (__mf_init): Use ordinary locked calls.
1261 (__mfu_report): Print the two new counts.
1262 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
1263 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
1264 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
1265 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
1268 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
1270 * configure.in: Add pthread support, plus glibc and porting hacks.
1271 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
1272 from objects built into ./pth/.
1273 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
1274 functions for internal entry points. Update callers to pick
1275 locked vs. unlocked variants.
1276 (__mf_resolve_single_dynamic): Extend to support symbol versioning
1277 info coming in from a static data structure.
1278 (*): Reorder miscellaneous declarations to group data vs functions.
1279 (__mf_set_default_options): Simplify.
1280 (__mf_usage): Mention threading status of host executable.
1281 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
1282 decls to match above.
1283 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
1284 * mf-heuristics.c: Choose between locked/unlocked calls. Add
1285 some lock/unlock markers. Remove some unused code.
1287 (pthread_create): New hook function.
1288 (__mf_pthread_cleanup, _spawner): New helper functions.
1289 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
1291 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
1293 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
1295 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
1297 * Makefile.am (HOOKOBJS): Add *time related hooks.
1298 * configure.in: Look for pthreads.h header.
1299 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
1300 * mf-runtime.c: Begin sketching some pthreads support.
1301 (__mf_usage): Check for -lpthread presence.
1302 (__mf_unregister): Confirm matching unregistration base.
1303 (__mf_find_objects_rec): Reduce unnecessary recursion.
1304 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
1305 #defines for new hook functions.
1306 * mf-impl.h: Corresponding changes.
1307 * config.h.in, configure, Makefile.in: Regenerated.
1309 2002-04-27 Diego Novillo <dnovillo@redhat.com>
1311 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
1312 modifiers to prevent being optimized away.
1313 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
1314 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1315 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
1316 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1317 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
1318 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
1319 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
1321 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1323 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1324 * configure.in: Look for uintptr_t and -ldl on target.
1325 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1326 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1327 * testsuite/Makefile.in: Regenerated.
1328 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1329 for better C compliance.
1331 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1333 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1335 * mf-runtime.c (__mf_set_default_options): Turn off
1336 check-initialization.
1337 (__mf_describe_object): Shorten description.
1338 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1340 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
1342 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1344 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
1346 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1348 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1349 * mf-impl.h (CALL_BACKUP): New macros.
1350 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1352 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
1354 * Makefile.am (AM_CFLAGS): Remove optimization flags.
1355 (HOOKOBJS): Remove dlopen hook.
1356 (libmudflap_la_LIBADD): Add -ldl.
1357 * mf-hooks.c (dlopen): Remove hook.
1358 * mf-impl.h (__mf_dynamic): Ditto.
1359 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1360 * Makefile.in: Regenerated.
1362 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
1364 * configure.in: Check for target gettimeofday, signal, some headers.
1365 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
1366 out inop multi_threaded field.
1367 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1368 (__mf_set_options): Correct handling of "-help".
1369 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1370 (__mf_check, __mf_register, __mf_unregister): Call it.
1371 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1372 (__mf_report_leaks): Make callable
1373 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
1374 distribution statistics.
1375 (__mf_adapt_cache): Rewrite shift guessing logic based on address
1377 * config.h.in, configure: Regenerated.
1378 * testsuite/libmudflap.c/fail27-frag.c: New test.
1379 * testsuite/libmudflap.c/pass36-frag.c: New test.
1381 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
1383 * mf-runtime.h.in: Tweak.
1384 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1385 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1386 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1388 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1390 * configure.in: Tweak generation of mf-runtime.h some more. It
1391 needs to work from both config.status and configure.
1392 * configure: Regenerated.
1394 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1396 * Makefile.am: Reorganize hook file building. Add auto dependencies.
1397 * configure.in: Tweak generation of mf-runtime.h.
1398 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1399 * mf-hooks.c (*): Adapt to initialized-heap object type.
1400 * mf-impl.h: Tweak cemetary boundaries.
1401 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1403 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1404 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1405 * testsuite/lib/libmudflap.exp (includes): Include build tree.
1406 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1408 * testsuite/.../fail{25,26}-frag.c: New tests.
1409 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1410 * Makefile.in, configure: Regenerated.
1412 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1414 * mf-runtime.c (__mf_set_default_options): Turn on initialization
1415 checking by default.
1416 (__mf_insert_new_object): As a temporary hack, assume that new
1417 objects registered on the stack start out initialized.
1418 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1419 heap objects by hand.
1421 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1423 Switch to macro-style hooks for str*/mem*/b* functions.
1424 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1425 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1426 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1427 (__mf_set_default_options): Turn off heur_proc_map.
1428 (*): Adapt to to macro-style hook functions.
1429 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1430 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1431 (__mf_violation): Handle __MF_VIOL_WATCH.
1432 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1433 (__mf_dynamic): Removed mem*/str*/b* functions.
1434 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1435 (WRAPPER2): New macro for macro-style hooks.
1436 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1438 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1439 * mf-heuristics.c: Adapt to macro-style hook functions.
1440 Correct some comments.
1441 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1442 output pattern tests.
1443 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1444 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1446 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1448 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1449 for global array registration.
1450 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1451 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1453 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1455 * Makefile.am: Add gross make bug workarounds. Tweaked
1456 SUBDIRS and AM_CFLAGS.
1457 * Makefile.in: Regenerated.
1459 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1462 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1463 * Makefile.am (TESTS): Remove simple automake testing.
1464 * configure, Makefile.in: Regenerated.
1465 (SUBDIRS): Include new testsuite/ directory.
1466 * tests/*: Removed all files; moved bulk under:
1467 * testsuite/*: New subdirectory tree.
1468 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1469 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1470 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1471 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1472 * testsuite/config/default.exp: New file.
1473 * testsuite/Makefile.am, Makefile.in: New files.
1475 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1477 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1478 (TESTS): Add fail22 and pass29 tests.
1479 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1480 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1481 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1482 values. Move __MF_VIOL* here.
1483 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1484 (check_initialization): New field in __mf_opts. Default off.
1485 (read_count,write_count): New fields in __mf_object.
1486 (__mf_check): Implement basic initialization checking.
1487 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1488 (__mf_describe_object): Print new fields.
1489 (__mf_violation): Identify check/read vs. check/write in messages.
1490 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1491 "-check-initialized" mudflap option.
1492 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1493 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1494 Drop __FILE__/__LINE__ hack. Update callers.
1495 (*): Adapt to new mf-runtime.h API.
1496 * Makefile.in: regenerated.
1498 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1500 * configure.in: Build mf-runtime.h a more proper way.
1501 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1502 * mf-runtime.c (verbose_violations): Turn on by default.
1503 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1504 * mf-impl.h: ... and move it here.
1505 * configure: Regenerated.
1507 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1509 * configure.in: Look for C++ compiler.
1510 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1511 fixed type warnings when built with C++.
1512 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1513 * Makefile.am (TESTS): Run them.
1514 (*) Add new rules for building and running C++ tests.
1515 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1516 * mf-runtime.h.in: Protect with extern "C".
1517 * Makefile, configure: Regenerated.
1519 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1521 Portability improvements.
1522 * configure.in: Look for glibc backtrace headers/functions.
1523 * mf-hooks.c: Don't include <execinfo.h> any more.
1524 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1526 (__mf_backtrace): Provide alternate baby implementation in
1528 * test/mf-driver.c: Portability tweaks.
1529 * acinclude.m4: New file, containing top level libtool.m4.
1530 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1532 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1534 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1536 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1538 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1540 (__mf_unregister): Implement stack/heap object wiping.
1541 (__mf_set_options): Renamed from __mf_process_opts.
1542 (__mf_uncache_object): Change arg type, correct callers.
1543 * mf-impl.h: Corresponding changes.
1544 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1545 * mf-runtime.h.in (__mf_set_options): Extend public API.
1546 * test/pass26-frag.c: New test for stack wiping.
1547 * Makefile.am (TESTS): Run it.
1548 * Makefile.in: Regenerated.
1550 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1552 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1553 * mf-runtime.c (__mf_object_t): Add watching_p field.
1554 (__mf_watch_or_not): New function to implement
1555 object watch flagging.
1556 (__mf_watch, __mf_unwatch): New wrappers for above.
1557 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1558 (__mf_count_violation): Enlarge array.
1559 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1560 unlink object. Clear cache properly.
1561 (__mf_unregister): Unlink object explicitly before uncaching.
1562 * test/fail21-frag.c, pass25-frag.c: New tests.
1563 * Makefile.in, aclocal.m4: Regenerated.
1565 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1567 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1568 * Makefile.am (TESTS): Add it.
1569 * test/pass-stratcliff.c: Add decls of stpcpy.
1570 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1571 build tree from config.h and new file mf-runtime.h.in.
1572 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1573 * Makefile.in, configure, config.h.in: Regenerated.
1574 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1575 * mf-runtime.c (options, __mf_set_default_options): Support new
1576 default "abbreviate" option.
1577 (__mf_object.description_epoch): New field.
1578 (__mf_describe_object): Conditionally abbreviate objects already
1579 displayed in current epoch. Accept NULL input to increment epoch.
1580 (__mf_fini, __mf_ini): Reset description epoch.
1581 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1582 that NULL pointer slot in lookup cache is invalidated. Register a
1583 NOACCESS region around NULL.
1584 * mf-impl.h: Corresponding changes.
1586 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1588 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1589 * Makefile.am: Run them. Install mf-runtime.h.
1590 * Makefile.in: Regenerated.
1591 * mf-hooks.c: Add some markers for more missing functions.
1592 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1593 statistic to tune tune cache size (mask).
1595 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1597 * test/pass23-frag.c: New test for bit_field_ref expressions.
1598 * Makefile.am, Makefile.in: Add new test.
1599 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1600 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1601 * mf-runtime.c (__mf_init): Register errno global.
1602 (__mf_find_object): Removed function.
1603 (__mf_check): Rewrite logic to support accesses across some
1604 contiguous but distinctly registered objects.
1605 (__mf_remove_old_object): Tolerate cache entries that span
1608 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1610 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1611 * Makefile.am, Makefile.in: Run new tests.
1612 * mf-hooks.c (alloca): Correct stack direction logic.
1614 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1616 * mf-impl.h (adapt_cache): New option.
1617 * mf-runtime.c (__mf_set_default_options): Set its default value.
1618 Tweak the tree_aging parameter down.
1619 (__mf_check): Maintain separate counter for cache-adaptation.
1620 (__mf_tree_analyze): New function to collect object tree stats.
1621 (__mf_adapt_cache): New function to automate cache parameters.
1623 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1625 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1626 hypothetical #if-0'd argv/envp region registration.
1627 * mf-runtime.c (__mf_init): Add kludged form of above.
1628 (*) Add "heur_argv_environ" flag, default on, to govern this.
1629 * mf-impl.h: Corresponding changes.
1631 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1633 * test/fail18-frag.c: New test file for NOACCESS regions.
1634 * Makefile.am (TESTS): Add new test.
1635 * Makefile.in: Regenerated.
1637 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1638 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1639 (optimize_object_tree): Remove unused mudflap_option.
1640 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1641 support throughout. Use .._MAX_CEM for cemetary upper bound.
1642 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1644 (__mf_object): Add new liveness field for use by tree aging.
1645 (__mf_check): Trigger tree aging when needed.
1646 (__mf_age_tree): New function to decay liveness field.
1647 (__mf_find_objects_rec): Use liveness field to rotate tree.
1648 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1649 (__mf_unregister): Ditto.
1650 (__mf_register): Tweak duplicate-static message.
1651 (__mf_violation: Tweak nearby-object counter printing.
1653 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1655 * test/pass20-frag.c: New test file.
1656 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1657 * Makefile.in: Regenerated.
1659 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1660 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1661 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1662 entries to avoid repeat registration.
1663 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1664 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1666 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1668 * Makefile.am: Create test sources with #include, not cat>>.
1669 * Makefile.in: Regenerated.
1670 * test/buildtest.sh: Removed.
1671 * test/driver.c (abort_handler, main): Be quiet.
1673 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1675 * test/pass18-frag.c, pass19-frag.c: New tests.
1676 * Makefile.am (check): Run them. Rebuild test programs each time.
1677 * Makefile.in: Regenerated.
1679 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1681 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1682 overlapping object search.
1683 (__mf_violation): Likewise for nearby objects.
1684 Improve nearby-object listing.
1687 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1688 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1690 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1693 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1694 (HOOKOBJS): Add alloca-hook.o.
1695 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1697 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1698 (__mf_backtrace): Reimplement without using alloca.
1699 * Makefile.in: Regenerated.
1702 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1703 Correct signedness bugs in length-tracking variables.
1704 * mf-impl.h: Make options unsigned.
1705 (CALL_WRAP): New macro to parallel CALL_REAL().
1706 (DECLARE): Remove erroneous ";" at end.
1707 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1708 formatting specs with %08lx. Correct several compiler warnings.
1710 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1712 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1714 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1716 libmudflap hook breakup:
1717 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1719 (TESTS): Make dependent on libmudflap.
1720 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1721 compiled from segments of mf-hooks.c.
1722 * mf-hooks.c: Corresponding changes: wrap each function in
1724 * Makefile.in: Regenerated.
1726 Heuristics reorganization:
1727 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1728 Remove these functions. Update callers.
1729 (__mf_heuristic_check): Incorporate all the various heuristics.
1730 Encode cacheability/retry judgement into trinary return value.
1731 Separate start-end logic into a separate fallback heuristic. Only
1732 register relevant /proc/self/map segments.
1733 * mf-impl.h: Corresponding changes.
1734 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1735 (__mf_init): Don't call __mf_init_heuristics.
1738 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1739 "-verbose-trace" to emit all tracing messages other than those of
1740 basic public api. Eliminate some duplicate/excessive messages.
1741 * mf-runtime.h: Corresponding changes.
1743 2002-08-27 Graydon Hoare <graydon@redhat.com>
1745 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1746 and __real when compiled with -DPIC.
1747 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1748 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1749 * Makefile.in: Regenerate.
1751 2002-08-26 Graydon Hoare <graydon@redhat.com>
1753 * mf-impl.h: New file, private implementation header.
1754 * mf-runtime.h: Reorganize a bit.
1755 (CLAMPSZ): Fix arithmetic.
1756 (__MF_CACHE_MISS_P): Fix arithmetic.
1757 * mf-runtime.c: Reorganize a bit.
1758 (__mf_dynamic): New structure.
1759 (resolve_single_dynamic): New function.
1760 (__mf_resolve_dynamics): New function.
1761 (__mf_init): Initialize dynamic wrappers.
1762 * mf-hooks.c: Macro-ize __real calls.
1763 Clamp various bits of arithmetic.
1764 Add explicit __mf_check call contexts.
1765 * Makefile.am: Add dependencies on mf-impl.h
1766 * Makefile.in: Regenerate.
1767 * configure.in: Comment out shared override.
1768 * configure: Regenerate.
1770 2002-08-22 Graydon Hoare <graydon@redhat.com>
1772 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1773 (__mf_check): Re-inialize and check heuristics before violation.
1774 (__mf_register): Permit updating pure-guess regions.
1775 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1776 (__wrap_dlopen): New wrapper function.
1777 (__wrap_mmap): New wrapper function.
1778 (__wrap_munmap): New wrapper function.
1779 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1780 which are not stack addresses.
1781 (is_stack_address): New function.
1782 (__mf_init_heuristics): Save and restore state, always initialize with
1785 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1787 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1788 error. Pass location string.
1789 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1790 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1791 (__mf_process_opts): Apply some sanity checking for lc-mask.
1792 (__mf_check, __mf_violation): Take new location-string argument.
1793 Update callers to pass NULL if necessary.
1794 (__mf_backtrace): New smart backtracer function. Calls replace
1795 several ad-hoc blocks elsewhere.
1796 (__mf_describe_object): Remove bad reentrancy test. Improve
1798 * mf-runtime.h: Corresponding changes. Public/private markup.
1799 (__MF_CACHE_MISS_P): New macro.
1801 2002-08-20 Graydon Hoare <graydon@redhat.com>
1803 * mf-runtime.h: New option: stack_bound (heuristic).
1804 Move some macros out of implementation files.
1805 * mf-runtime.c: New option string: -stack-bound.
1806 Unify recursion protection with hooks.
1808 (__mf_check): Call __mf_heuristic_check.
1809 (__mf_process_opts): Fix "no-" processing.
1810 * mf-heuristics.c (__mf_heuristic_check): New function.
1811 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1813 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1815 Option parsing improvements, region splitting bug fixes:
1816 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1817 * mf-runtime.h (heur_proc_map): New libmudflap option.
1818 * mf-runtime.c (__mf_set_default_options): Set it.
1819 (__mf_usage): Print default values/status.
1820 (__mf_process_opts): Support general "no-" option string prefix.
1821 (__mf_init): Print __mf_usage on unknown-option error.
1822 (__mf_register): Print trace message up front.
1823 Correct region splitting logic for case where a subregion disappears.
1824 Correct memory leak.
1825 (__mf_violation): Make even basic message conditional on option.
1828 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1829 (clean-local): New target.
1830 (test/*x rules): Add -g CFLAGS.
1831 (CFLAGS): Add -freorder-blocks.
1832 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1833 * Makefile.in: Regenerated.
1834 * Makefile, mf-config.h: Removed files.
1836 2002-08-16 Graydon Hoare <graydon@redhat.com>
1838 * mf-runtime.c (__mf_insert_new_object): Factor out of
1840 (__mf_remove_old_object): Factor out of __mf_unregister.
1841 (__mf_register): Handle guessed regions, splitting
1842 guesses when new registrations arrive.
1843 (__mf_unregister): Do not unregister guesses.
1844 * mf-runtime.h: Move convenience macros around,
1845 declare new option fields. Add __MF_TYPE_GUESS.
1846 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1847 (__wrap_free): Call __real_free for deferred frees.
1848 * Makefile.am: Add more tests, fix dependency.
1849 * Makefile.in: Regenerate.
1850 * test/pass[13..17]-frag.c: New testcases.
1851 * test/fail[13..17]-frag.c: New testcases.
1853 2002-08-15 Graydon Hoare <graydon@redhat.com>
1855 * mf-heuristics.c: New file.
1856 * mf-runtime.c (options): Add -trace-calls option.
1857 (__mf_init): Call __mf_init_heuristics.
1859 2002-08-14 Graydon Hoare <graydon@redhat.com>
1861 * Makefile.am (TESTS): Add testsuite support.
1862 * Makefile.in: Regenerate.
1863 * test/mf-driver.c: New file.
1864 * test/buildtest.sh: New file.
1865 * test/passNN-frag.c: New testcases.
1866 * test/failNN-frag.c: New testcases.
1868 2002-08-14 Graydon Hoare <graydon@redhat.com>
1870 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1871 verifying non-size-limited string extents.
1873 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1875 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1876 instead of plain str[n]len for internal checks.
1877 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1879 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1881 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1883 2002-08-13 Graydon Hoare <graydon@redhat.com>
1885 * mf-runtime.c: Rework configuration to operate on
1886 environment variable options rather than #defines
1887 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1888 (__mf_init): Set static __mf_active_p flag on startup,
1889 to inhibit mudflap wrap-based checking during crt0.s.
1890 * mf-runtime.h: Declare options structure.
1891 * mf-hooks.c: New wrappings for mem*, b*, str*
1892 libc functions (temporarily #if 0-ed out).
1894 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1896 * Makefile.am, configure.in: New files.
1897 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1898 * stamp-h.in, aclocal.m4: Ditto.
1900 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1902 * Makefile: New file.
1903 * mf-config.h: New file: runtime configuration.
1904 * mf-hooks.c: New file: interposed libc functions.
1905 * mf-runtime.c: New file: bulk of runtime.
1906 * mf-runtime.h: New file: public functions.
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