1 2010-05-15 Uros Bizjak <ubizjak@gmail.com>
3 * testsuite/lib/mfdg.exp (additional_prunes): New global.
4 (dg-test): Clear additional_prunes before test is run.
5 (dg-prune-output): New procedure.
6 * testsuite/lib/libmudflap.exp (libmudflap-dg-test): Do not call
8 (libmudflap-dg-prune): New procedure.
9 * testsuite/libmudflap.c++/pass57-frag.cxx (dg-prune-output):
12 2010-05-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
15 * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
16 * Makefile.in: Regenerate.
17 * testsuite/Makefile.in: Regenerate.
19 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
21 * Makefile.in: Regenerate.
22 * aclocal.m4: Regenerate.
23 * testsuite/Makefile.in: Regenerate.
25 2010-03-15 David S. Miller <davem@davemloft.net>
27 * testsuite/libmudflap.c/pass54-frag.c: Add explicit return from
30 2010-01-09 Jakub Jelinek <jakub@redhat.com>
32 * mf-runtime.c (__mf_usage): Update copyright notice dates.
34 2009-12-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
36 * Makefile.in: Regenerate.
37 * configure: Regenerate.
38 * testsuite/Makefile.in: Regenerate.
40 2009-09-22 Frank Ch. Eigler <fche@redhat.com>
43 * mf-runtime.c (__mf_init): Ignore $MUDFLAP_OPTIONS if
44 running setuid or setgid.
46 2009-09-01 Loren J. Rittle <ljrittle@acm.org>
48 * mf-runtime.c (__mf_init): Support FreeBSD.
49 Prime mutex which calls calloc upon first lock to avoid deadlock.
50 * mf-hooks1.c (__mf_0fn_mmap): Support FreeBSD.
51 Ignore red zone allocation request for initial thread's stack.
53 2009-09-01 Loren J. Rittle <ljrittle@acm.org>
54 Andreas Schwab <schwab@linux-m68k.org>
56 * testsuite/libmudflap.c/pass51-frag.c (MAP_FAILED): Define,
57 if not in system header; use it. On FreeBSD, must pass fd==-1
58 with MAP_ANON flag. Correct mmap error check.
59 * testsuite/libmudflap.c/fail40-frag.c: Ditto.
61 2009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
63 * configure.ac (AC_PREREQ): Bump to 2.64.
65 2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
67 * Makefile.am (install-html, install-pdf): Remove.
68 * Makefile.in: Regenerate.
70 * Makefile.in: Regenerate.
71 * aclocal.m4: Regenerate.
72 * config.h.in: Regenerate.
73 * configure: Regenerate.
74 * testsuite/Makefile.in: Regenerate.
76 2009-07-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
78 * configure.ac (_AC_ARG_VAR_PRECIOUS): Use m4_rename_force.
80 2009-07-16 Joseph Myers <joseph@codesourcery.com>
82 * configure: Regenerate.
84 2009-07-11 Richard Sandiford <rdsandiford@googlemail.com>
89 * testsuite/lib/libmudflap.exp: Revert 2009-06-30 commit.
91 2009-07-01 Richard Guenther <rguenther@suse.de>
93 PR tree-optimization/19831
94 * testsuite/libmudflap.c/fail11-frag.c: Make allocated memory
96 * testsuite/libmudflap.c/fail12-frag.c: Likewise.
97 * testsuite/libmudflap.c/fail16-frag.c: Likewise.
98 * testsuite/libmudflap.c/fail31-frag.c: Likewise.
100 2009-06-30 Richard Sandiford <r.sandiford@uk.ibm.com>
102 * testsuite/lib/libmudflap.exp (libmudflap-init): Don't add "."
103 to ld_library_path. Use add_path. Add just find_libgcc_s to
104 ld_library_path, not every libgcc multilib directory.
106 2009-04-09 Nick Clifton <nickc@redhat.com>
108 * mf-hooks1.c: Change copyright header to refer to version 3
109 of the GNU General Public License with version 3.1 of the GCC
110 Runtime Library Exception and to point readers at the COPYING3
111 and COPYING3.RUNTIME files and the FSF's license web page.
112 * mf-heuristics.c: Likewise.
113 * mf-hooks2.c: Likewise.
114 * mf-hooks3.c: Likewise.
115 * mf-impl.h: Likewise.
116 * mf-runtime.c: Likewise.
117 * mf-runtime.h: Likewise.
119 2009-04-09 Jakub Jelinek <jakub@redhat.com>
121 * testsuite/lib/mfdg.exp: Change copyright header to refer to
122 version 3 of the GNU General Public License and to point readers
123 at the COPYING3 file and the FSF's license web page.
124 * testsuite/lib/libmudflap.exp: Likewise.
126 2009-03-31 Ben Elliston <bje@au.ibm.com>
129 * testsuite/libmudflap.c/fail27-frag.c: Match `mudflap dead
130 object', not `mudflap object'.
132 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
134 * configure: Regenerate.
136 2009-02-03 Jakub Jelinek <jakub@redhat.com>
138 * mf-runtime.c (__mf_usage): Update copyright notice dates.
140 2009-01-23 Jie Zhang <jie.zhang@analog.com>
142 * mf-impl.h (__mf_get_state, __mf_set_state): Don't use
143 __thread when TLS support is emulated.
144 * mf-hooks3.c (__mf_get_state, __mf_set_state): Likewise.
145 * mf-runtime.c (__mf_state_1): Likewise.
146 * configure.ac: Use GCC_CHECK_EMUTLS.
147 * configure: Regenerate.
148 * config.h.in: Regenerate.
150 2008-12-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
152 * configure: Regenerate.
154 2008-11-26 Janis Johnson <janis187@us.ibm.com>
157 * testsuite/lib/mfdg.exp (dg-test): Use new timeout support.
158 (dg-timeout): Remove.
159 (standard-wait): Remove.
160 * testsuite/lib/libmudflap.exp: Include new timeout library files.
161 (libmudflap_target_compile): Set timeout value from new proc.
163 2008-11-10 Jakub Jelinek <jakub@redhat.com>
166 * testsuite/libmudflap.c/pass67-frag.c: New test.
168 2008-10-09 Jakub Jelinek <jakub@redhat.com>
171 * testsuite/libmudflap.c++/pass66-frag.cxx: New test.
173 2008-09-26 Peter O'Gorman <pogma@thewrittenword.com>
174 Steve Ellcey <sje@cup.hp.com>
176 * configure: Regenerate for new libtool.
177 * Makefile.in: Ditto.
178 * testsuite/Makefile.in: Ditto.
180 2008-09-15 Jakub Jelinek <jakub@redhat.com>
183 * testsuite/libmudflap.c/pass64-frag.c: New test.
185 2008-06-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
187 * Makefile.in: Regenerate.
188 * config.h.in: Regenerate.
189 * configure: Regenerate.
190 * testsuite/Makefile.in: Regenerate.
192 2008-04-18 Paolo Bonzini <bonzini@gnu.org>
195 * aclocal.m4: Regenerate.
196 * configure: Regenerate.
198 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
200 * testsuite/libmudflap.c/pass63-frag.c: New test.
202 2008-03-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
204 * aclocal.m4: Regenerate.
205 * configure: Likewise.
206 * Makefile.in: Likewise.
207 * testsuite/Makefile.in: Likewise.
209 2008-03-02 Jakub Jelinek <jakub@redhat.com>
211 * mf-runtime.c (__mf_usage): Update copyright notice dates.
213 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
215 * testsuite/libmudflap.c/fail8-frag.c: Adjust scan pattern for
217 * testsuite/libmudflap.c/fail9-frag.c: Ditto.
219 2008-01-24 David Edelsohn <edelsohn@gnu.org>
221 * configure: Regenerate.
223 2008-01-05 Jakub Jelinek <jakub@redhat.com>
225 PR tree-optimization/34618
226 * testsuite/libmudflap.c/pass62-frag.c: New test.
228 2008-01-03 Jakub Jelinek <jakub@redhat.com>
231 * testsuite/libmudflap.c++/pass61-frag.cxx: New test.
233 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
236 * testsuite/libmudflap.c++/pass60-frag.cxx: New test.
238 2007-10-15 Maciej W. Rozycki <macro@linux-mips.org>
240 * configure: Regenerate following changes to ../config/tls.m4.
242 2007-07-26 Tom Tromey <tromey@redhat.com>
244 * Makefile.in: Rebuilt.
245 * Makefile.am (clean-local): Removed.
246 (pth/mf-runtime.lo, pth/mf-heuristics.lo, pth/mf-hooks1.lo,
247 pth/mf-hooks2.lo, pth/mf-hooks3.lo): Likewise.
248 (libmudflapth_la_SOURCES): List sources.
249 (libmudflapth_la_LIBADD): Clear.
250 (libmudflapth_la_CFLAGS): New variable.
252 2007-07-05 H.J. Lu <hongjiu.lu@intel.com>
254 * aclocal.m4: Regenerated.
256 2007-06-02 Paolo Bonzini <bonzini@gnu.org>
258 * configure: Regenerate.
260 2007-05-31 Frank Ch. Eigler <fche@redhat.com>
262 From Andi Kleen <ak@suse.de>:
263 * mf-runtime.c (options): Rename structure for compatibility with
266 2007-05-23 Steve Ellcey <sje@cup.hp.com>
268 * Makefile.in: Regenerate.
269 * configure: Regenerate.
270 * aclocal.m4: Regenerate.
271 * testsuite/Makefile.in: Regenerate.
273 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
275 * testsuite/libmudflap.cth/pass59-frag.c (main): Fix casting of arg.
277 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
279 * Makefile.am: Add dummy install-pdf target.
280 * Makefile.in: Regenerate
282 2007-02-07 Jakub Jelinek <jakub@redhat.com>
285 * configure: Regenerate.
287 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
289 * configure: Regenerate.
291 2006-11-13 Daniel Jacobowitz <dan@codesourcery.com>
293 * configure: Regenerated.
295 2006-11-10 Frank Ch. Eigler <fche@redhat.com>
298 * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
299 static but not function scope static.
300 (free): Skip deallocation attempts for objects placed into
302 * testsuite/libmudflap.cth/pass59-frag.c: New test.
304 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
306 From Herman ten Brugge <hermantenbrugge@home.nl>:
307 * mf-runtime.c (__mf_uncache_object): Optimize the code so that
308 small and large objects are handled a lot faster.
310 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
312 * configure.ac (__libc_freeres): Look for it.
313 * mf-impl.h (call_libc_freeres): New configuration flag.
314 * mf-runtime.c (__mf_set_default_options): Set it by default.
315 (__mfu_report): Call it if needed.
316 (__mfu_unregister): Remove "unaccessed registered object" warning.
317 * configure, config.h.in: Regenerated.
319 2006-09-18 Tom Tromey <tromey@redhat.com>
321 * configure: Rebuilt.
323 2006-06-21 Frank Ch. Eigler <fche@redhat.com>
326 mf-runtime.h installation based on ssp patch for PR 26473 from
327 Mark Mitchell <mark@codesourcery.com>.
328 * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
329 * Makefile.am (target_noncanonical): Define.
330 (libsubincludedir): New variable.
331 (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
332 (include_HEADERS): Remove.
333 * configure, aclocal.m4, config.h.in: Regenerated.
334 * Makefile.in, testsuite/Makefile.in: Likewise.
335 * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
336 and _THREAD_SAFE redefinition values.
338 2006-05-23 Carlos O'Donell <carlos@codesourcery.com>
340 * Makefile.am: Add install-html target. Add install-html to .PHONY
341 * Makefile.in: Regenerate.
343 2006-04-19 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
346 * testsuite/libmudflap.c++/error1-frag.cxx: New test.
349 * testsuite/libmudflap.c++/error2-frag.cxx: New test.
351 2006-04-10 Matthias Klose <doko@debian.org>
353 * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
354 directory names containing underscores.
356 2005-11-22 Janis Johnson <janis187@us.ibm.com>
358 * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
359 MUDFLAP_FLAGS if static library not supported.
360 * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
361 * testsuite/libmudflap.c/externs.exp: Ditto.
362 * testsuite/libmudflap.c++/ctors.exp: Ditto.
363 * testsuite/libmudflap.c++/c++frags.exp: Ditto.
364 * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
366 2005-10-04 James E Wilson <wilson@specifix.com>
368 * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
369 $name as array of characters with unknown bound. Also store into the
371 * configure: Regenerate.
373 2005-09-30 James E. Wilson <wilson@specifix.com>
375 * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
377 (target_thread_file): New. Set from sed'ed gcc output.
378 (posix_threads): New. Set from target_thread_file. Use instead of
380 (pthread_create_version): Move initialization before code using it.
381 * configure: Regenerate.
383 * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
386 2005-09-29 James E. Wilson <wilson@specifix.com>
388 * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
389 with HAVE_MMAP ifdef.
391 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
394 * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
396 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
398 * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
400 2005-09-23 Tom Tromey <tromey@redhat.com>
402 * aclocal.m4, configure: Rebuilt.
403 * configure.ac: Use GCC_CHECK_TLS.
404 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
407 2005-08-22 Jim Wilson <wilson@specifix.com>
409 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
410 __FreeBSD__ is defined.
412 2005-08-17 Jim Wilson <wilson@specifix.com>
414 * mf-hooks1.c (malloc, calloc, realloc, free,
415 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
416 the real routines, and END_MALLOC_PROTECT afterwards.
417 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
418 (BEGIN_PROTECT): Handle in_malloc state.
419 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
420 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
422 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
424 * All files: Update FSF address.
426 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
428 * mf-hooks3.c (main_seen_p): Remove.
429 (__mf_get_state): Remove attempt to recognize the main thread.
431 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
433 * configure.ac: Test for the name of the symbol used for the entry
434 point; define ENTRY_POINT to the result.
435 * configure: Regenerate.
436 * config.h.in: Regenerate.
437 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
439 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
441 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
442 (__mf_init): Set thread state active.
443 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
445 (pthread_create wrapper): Always use thread spawner.
447 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
448 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
450 2005-07-16 Richard Henderson <rth@redhat.com>
452 * acinclude.m4: New file.
453 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
454 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
455 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
456 (__mf_0fn_calloc): ... here.
457 * mf-hooks3.c (struct pthread_info): Remove.
458 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
459 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
460 (struct mf_thread_data): New.
461 (mf_thread_data, mf_thread_data_lock): New.
462 (__mf_allocate_blank_threadinfo): Remove.
463 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
465 (__mf_state_perthread): Remove.
466 (__mf_get_state, __mf_set_state): New.
467 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
468 Update mf_thread_data killing procedure.
469 (__mf_pthread_spawner): Similarly.
470 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
471 code to allocate thread stack space.
472 (__mf_0fn_pthread_join, pthread_join): Remove.
473 (__mf_0fn_pthread_exit, pthread_exit): Remove.
474 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
475 (__mf_state_1): Rename from __mf_state; use TLS when available.
476 (__mf_get_state, __mf_set_state): New. Update all users.
477 * mf-runtime.c (begin_recursion_protect1): New.
478 (BEGIN_RECURSION_PROTECT): Use it.
479 (__mf_state_1): Rename from __mf_state; use TLS when available.
480 (threads_active_p): Remove.
481 (__mf_usage): Compute it directly.
483 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
485 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
487 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
489 Fix for uncaching bug reported by Herman ten Brugge.
490 * mf-runtime.c (__mf_uncache_object): Search whole cache.
491 * testsuite/libmudflap.c/fail40-frag.c: New test.
493 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
496 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
497 * Makefile.in: Amend.
499 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
502 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
503 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
505 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
508 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
510 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
513 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
514 unsigned vars with #defines instead of enums.
516 2005-05-09 Mike Stump <mrs@apple.com>
518 * configure: Regenerate.
520 2005-04-12 Mike Stump <mrs@apple.com>
522 * configure: Regenerate.
524 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
527 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
528 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
530 2005-04-04 Alan Modra <amodra@bigpond.net.au>
532 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
534 2005-03-31 Mike Stump <mrs@apple.com>
536 * mf-runtime.h: Add libmudflap copyright clause.
538 2005-03-21 Mike Stump <mrs@apple.com>
540 * mf-heuristics.c: Fix whitespace at end of line.
541 * mf-hooks1.c: Likewise.
542 * mf-hooks2.c: Likewise.
543 * mf-hooks3.c: Likewise.
544 * mf-impl.h: Likewise.
545 * mf-runtime.c: Likewise.
546 * mf-runtime.h: Likewise.
548 2005-03-21 Zack Weinberg <zack@codesourcery.com>
550 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
551 In all substitutions, expand gcc_version in Makefile.
552 * aclocal.m4, configure: Regenerate.
553 * Makefile.am: Set gcc_version.
554 * Makefile.in, testsuite/Makefile.in: Regenerate.
556 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
558 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
559 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
561 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
564 * testsuite/libmudflap.c++/pass55-frag.c: New test.
566 2005-01-05 Richard Henderson <rth@redhat.com>
568 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
570 2005-01-02 Greg McGary <greg@mcgary.org>
572 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
573 * mf-runtime.h: New file, replaces mf-runtime.h.in.
574 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
575 * Makefile.in: Ditto.
576 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
577 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
578 * testsuite/libmudflap.c/fail36-frag.c: New test.
579 * testsuite/libmudflap.c/fail37-frag.c: New test.
580 * testsuite/libmudflap.c/fail38-frag.c: New test.
582 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
584 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
585 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
587 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
589 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
590 * aclocal.m4: Include ../config/gcc-version.m4.
591 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
593 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
595 * Makefile.am: Define ACLOCAL_AMFLAGS.
596 * acinclude.m4: Remove.
597 * stamp-h.in: Remove superfluous stamp file.
598 * aclocal.m4, configure, Makefile.in: Regenerate.
599 * testsuite/Makefile.in: Likewise.
601 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
603 * Makefile.am: Revert previous.
604 * acinclude.m4: Restore.
605 * aclocal.m4, configure, Makefile.in: Regenerate.
606 * testsuite/Makefile.in: Likewise.
608 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
610 * Makefile.am: Define ACLOCAL_AMFLAGS.
611 * acinclude.m4: Remove.
612 * aclocal.m4, configure, Makefile.in: Regenerate.
613 * testsuite/Makefile.in: Likewise.
615 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
617 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
619 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
621 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
622 * testsuite/Makefile.in: Likewise.
624 2004-11-01 Andreas Schwab <schwab@suse.de>
626 * configure.ac: (target_alias): Default to $host_alias, not
628 * configure: Regenerated.
630 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
632 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
633 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
636 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
639 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
641 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
643 * configure.ac: Check for more headers, functions.
644 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
645 tracking overridden FILE buffers.
646 (fopen, setvbuf): New/revised hook functions for buffer overriding.
647 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
648 (fflush): Accept given NULL stream (means "all streams").
650 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
652 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
653 (__mf_adapt_cache): Use them all.
654 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
655 * testsuite/libmudflap.c++/ctors.exp: Ditto.
656 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
657 * configure, config.h.in: Regenerated.
659 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
661 * configure.ac: Checking for sys/socket.h once is enough.
662 * configure: Regenerated.
664 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
666 * configure.ac: Look for more headers & functions.
667 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
668 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
669 * mf-runtime.c (options): Clean up integer signedness warnings.
670 (main): Add a declaration to fix a warning.
671 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
672 * configure, config.h.in: Regenerated.
674 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
676 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
677 New tests for proper base/limit checking for aggregates.
679 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
681 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
683 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
685 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
686 * mf-hooks2.c (strerror): Unregister previous string returned by
688 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
689 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
690 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
691 * mf-runtime.c (__mf_describe_object): Clarify object life status.
692 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
694 * configure, config.h.in: Regenerated.
696 2004-08-03 Dale Johannesen <dalej@apple.com>
698 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
700 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
702 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
703 simplified contents in all former callers.
705 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
707 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
708 the statically linked case.
710 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
712 * splay-tree.[ch]: Remove. Merge contents into ...
713 * mf-runtime.c: ... here, renaming symbols and making all functions
714 static. Remove unused min/max functions.
715 * Makefile.am: Forget about splay-tree.[ch].
716 * Makefile.in, testsuite/Makefile.in: Regenerated.
718 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
720 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
721 (__mfu_usage): Include (C) 2004.
722 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
723 here. Include a comment explaining why.
725 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
727 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
728 * mf-runtime.c (options): Give them a name.
729 (__mf_set_default_options): Set them.
730 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
731 (__mf_violation): Warning cleanup.
732 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
733 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
735 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
738 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
741 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
743 Test case for g++/15861
744 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
745 * testsuite/libmudflap.c++/ctors.exp: Driver.
746 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
747 Look only for *frag* test cases.
749 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
751 ANSI C conversion, libmudflap specialization, recursion limiting.
752 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
753 argument and indirection function pointers, update callers.
754 (splay_tree_s): Add statistics and recursion control fields
755 num_keys, max_depth, depth, rebalance_p.
756 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
757 Back out of search if it exceeds limit.
758 (splay_tree_splay): Manage recursion limiting with rebalancing as
760 (splay_tree_new): More initialization.
761 (splay_tree_rebalance): New function.
762 (splay_tree_foreach): Rewrite using nonrecursive logic.
763 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
764 Remove. Point indirect calls to mf-runtime.c's routines.
765 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
767 (splay_tree_delete, splay_tree_delete_helper): Ditto.
768 * testsuite/heap-scalestress.c: New test based on one from
769 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
771 2004-07-05 Matthias Klose <doko@debian.org>
773 * libtool-version: New.
774 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
775 Use -version-info for soname.
776 * Makefile.in: Regenerate.
777 * configure.ac: Remove libtool_VERSION macro
778 * configure: Regenerate
780 2004-07-05 Zack Weinberg <zack@codesourcery.com>
782 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
783 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
786 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
788 Splay tree implementation fork.
789 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
790 Use hard-coded comparison function for uintptr_t. Remove key/value
791 deallocation logic. Cache last splayed key for consecutive lookups.
792 * Makefile.am, Makefile.in: Use them, don't link to them.
793 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
794 (__mf_find_objects2): Flip successor/predecessor search sequence.
795 * ansidecl.h, libiberty.h: Removed dummy files.
797 2004-06-29 Nick Clifton <nickc@redhat.com>
799 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
800 * configure: Regenerate.
801 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
803 Remove spurious inclusion of <strings.h>.
805 2004-06-29 Nick Clifton <nickc@redhat.com>
807 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
808 function actually exists.
810 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
812 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
813 * config.h.in: Regenerated.
815 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
817 Adopt splay trees for object database.
818 * Makefile.am: Copy splay-tree.* from libiberty.
819 * Makefile.in, testsuite/Makefile.in: Regenerated.
820 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
821 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
822 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
823 * mf-runtime.c: Rewrite code dealing with object database to use
824 libiberty splay trees. Remove tree liveness aging option.
825 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
827 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
829 * configure.ac: New name of configure.in. Update
830 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
831 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
832 Autoconf 2.5x and Automake 1.7 or later.
833 * configure.in: Remove.
834 * configure: Regenerate.
836 * Makefile.am: Remove useless multilib rules.
837 * Makefile.in: Regenerate.
839 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
841 * .cvsignore: New file.
843 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
846 * mf-hooks2.c (semctl): Add cygwin porting hack.
848 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
851 * configure.in: Look for ctype header and glibc implementation.
852 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
853 array hooks for glibc 2.3.
854 * mf-runtime.h.in: Wrap them.
855 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
857 * testsuite/libmudflap.c/pass47-frag.c: New test.
858 * configure, config.h.in: Regenerated.
860 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
862 Portability improvements, e.g., libmudflap/15293.
863 * configure.in: Look for glibc extension functions. Look for
864 support of -f{function,data}-sections. Look for more headers.
865 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
866 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
867 mf-hooks* into usual single object per source.
868 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
869 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
870 if system doesn't provide one.
871 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
872 (pthread_create): Use it to properly GC dead thread stacks.
873 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
874 * testsuite/Makefile.am: Stop generating site.exp.
875 * testsuite/mfconfig.exp.in: New file.
876 * testsuite/config/default.exp: Load new mfconfig.exp.
877 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
878 (prune_gcc_output): Add glibc static linking warnings.
879 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
880 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
881 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
882 Regenerated with autoconf 2.57 and automake 1.7.
884 2004-06-04 Per Bothner <per@bothner.com>
886 * configure.in (LIBMUDFLAPTH): Fix thinko.
888 * configure.in: Check for more headers.
889 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
891 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
892 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
894 2004-06-01 Andreas Jaeger <aj@suse.de>
896 * configure.in: Handle multilibs, support
897 --enable-version-specific-runtime-libs.
898 * Makefile.am (lib_LTLIBRARIES): Rename to ...
899 (toolexeclib_LTLIBRARIES): this for multilib support.
900 * Makefile.in: Regenerated.
901 * configure: Regenerated.
902 * aclocal.m4: Regenerated.
903 * config.h.in: Regenerated.
904 * testsuite/Makefile.in: Regenerated.
906 2004-06-01 Andreas Jaeger <aj@suse.de>
908 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
909 multilibs, using multilib directory instead of hardcoded path.
912 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
914 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
915 * Makefile.in: Ditto.
917 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
919 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
920 * aclocal.m4, configure: Rebuilt.
922 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
924 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
925 import some build settings from libstdc++-v3 testsuite_flags.
926 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
927 changes to pass test language.
929 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
930 quicker mode-nop handling.
932 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
934 * mf-impl.h: Added libgcc license header.
936 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
938 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
939 Added libgcc license header.
940 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
941 (pthread_create): Simplify stack allocation syntax.
943 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
945 * mf-hooks2.c: Support FreeBSD.
946 (WRAP_gets): Avoid gets().
947 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
948 test unimplemented mem/str calls on FreeBSD.
949 * testsuite/libmudflap.c/pass21-frag.c: Do not include
950 <alloca.h> on FreeBSD.
952 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
954 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
955 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
956 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
957 flags for static linking permutation.
958 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
959 some pthreads code that croaks on linux glibc tls.
961 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
963 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
965 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
967 * testsuite/libmudflap.c/pass44-frag.c: New test.
969 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
971 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
973 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
975 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
977 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
979 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
981 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
984 * configure.in: Add check for see if
985 socklen_t typedef is in sys/socket.h.
986 * mf-hooks1.c: Add define if socklen_t
988 * mf-hooks2.c: Likewise.
989 * mf-hooks3.c: Likewise.
990 * config.h.in: Regen.
993 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
995 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
996 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
998 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
999 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
1000 (unoptimized) allocation of stack space.
1002 2003-12-07 Richard Henderson <rth@redhat.com>
1004 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
1005 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
1007 2003-12-06 Andrew Pinski <apinski@apple.com>
1009 partial PR libmudflap/12670
1010 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
1011 * mf-hooks2.c: Likewise.
1012 * mf-hooks3.c: Likewise.
1014 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
1017 * mf-runtime.h.in: Switch to #pragma redefine_extname for
1018 symbols interposed at compile time.
1019 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
1022 * mf-hooks2.c (semctl): Tolerate FreeBSD.
1024 * configure.in: Reorganize check for <pthread.h>.
1025 * configure: Regenerated.
1027 2003-11-04 David Edelsohn <edelsohn@gnu.org>
1029 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
1030 (_LARGE_FILE_API): Define for AIX.
1031 * mf-hooks[123]: Same.
1032 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
1034 2003-10-21 David Edelsohn <edelsohn@gnu.org>
1036 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
1038 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
1040 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1042 * configure.in: Update check for union semun.
1044 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1047 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
1049 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
1052 * configure.in: Add checks for 64-bit LFS functions, struct semun
1053 definition, for BSD compatibility.
1054 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
1055 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
1056 * mf-hooks3.c: Ditto.
1057 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
1059 * configure, config.h.in: Regenerated.
1061 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
1063 Multithreading fixes:
1064 * mf-runtime.c (__mf_object): Store allocating/deallocating
1066 (options): Support new "-thread-stack" option.
1067 Rename "-heur-argv-environ" option to "-heur-stdlib".
1068 Disable "-lc-mask" and "-lc-shift" options.
1069 (__mf_dynamic): Add function pointers for pthread_join/_exit.
1070 (__assert_fail): New self-contained function for glibc.
1071 * mf-hooks3.c: Essentially rewritten, particularly related to
1072 use of __mf_pthread_info array.
1073 (pthread_join, _exit): New hook functions.
1074 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
1075 * testsuite/libmudflap.cth/pass40-frag.c: New test.
1078 * mf-heuristics.c: Add type casts for tracing, sub calls.
1079 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
1080 Update all callers to declare explicit result holder.
1081 (END_PROTECT): Removed.
1082 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
1084 2003-07-15 Diego Novillo <dnovillo@redhat.com>
1086 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
1087 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1088 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1090 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
1092 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
1093 * mf-hooks: Removed.
1094 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
1095 Move these macros from old mf-hooks.c here.
1096 * Makefile.am: Adapt to split-up hook sources for faster builds.
1097 * Makefile.in: Regenerated.
1099 * mf-heuristics.c: Remove #if-0 block.
1101 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
1102 (__mf_starting_p): New state only for use while dlsym bootstrapping.
1103 (CALL_REAL, __mf_init): Corresponding changes.
1104 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
1105 all callers to remove redundant "mf:" prefix.
1106 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
1107 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
1108 (__mf_pthread_info): Become a hash table.
1110 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
1111 "dg-repetitions" directives to control test case execution.
1112 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
1114 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
1116 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
1118 * mf-hooks.c (alloca): Separate into stub.
1119 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
1120 malloc/free for alloca blocks.
1121 (pthread_create): Tolerate failing pthread_attr_get* calls.
1122 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
1123 * mf-impl.h (CALL_WRAP): Remove macro.
1124 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
1125 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
1126 padding for ia64 BIT_FIELD_REF constructs.
1128 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
1130 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
1131 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
1132 libmudflap object type.
1133 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
1134 crashes on unregistering STATIC objects.
1136 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
1138 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
1139 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
1140 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
1141 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
1142 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
1143 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
1144 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
1145 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
1146 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
1147 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
1148 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
1149 (accept, bind, connect, gethostname, sethostname): New hooks.
1150 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
1151 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
1152 (semop, semctl, shmctl, shmat, shmdt): New hooks.
1153 * mf-runtime.h.in: Corresponding changes.
1154 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
1155 (opts) Rename heur_argv_environ to heur_std_data.
1156 (__mf_wrap_main): Use STATIC type for argv/environ strings.
1157 * Makefile.am: Corresponding changes.
1158 * Makefile.in: Regenerated.
1160 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
1162 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
1163 heuristic for threaded case, and for non-x86-linux targets.
1164 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
1165 for use during pre-main() program startup.
1166 (__mf_0fn_*): Make these functions non-static.
1167 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
1169 * mf-runtime.c (__mf_state): Set initial state to "starting".
1170 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
1171 (__wrap_main): New function to register argv[] and environ[] strings.
1172 (__mf_ini): Call it.
1173 (*): In all trace functions, use "%p" as formatter for uintptr_t.
1175 * testsuite/libmudflap.c/pass38-frag.c: New test case.
1176 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
1178 * acinclude.m4: Add comments with aoliva's concerns about x86_64
1180 * aclocal.m4, configure: Regenerated.
1182 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
1184 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
1185 * aclocal.m4, configure: Regenerated.
1187 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
1189 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
1190 for x86_64 target. Disable caching for this value.
1191 * aclocal.m4, configure: Regenerated.
1193 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
1195 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
1196 is about to become deprecated, and its present handling bugs are
1199 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
1201 * testsuite/libmudflap.c/pass38-frag.c: New test for
1204 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1206 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
1207 __mf_report, asserting reentrant calling context.
1209 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1211 * mf-hooks.c (realloc): Correct reentrancy logic.
1212 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
1214 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
1216 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
1217 PTHREAD_THREADS_MAX. Update users.
1218 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
1220 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
1221 with libmudflapth presence indicator.
1222 * testsuite/Makefile.in: Regenerated.
1224 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
1226 * Makefile.am (AM_CFLAGS): Remove "-ansi".
1227 * configure.in: Remove silly no-pthreads => no-shared logic.
1228 * Makefile.in, configure: Regenerated.
1229 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
1230 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
1231 code. Count reentrancy events.
1232 (all hook functions): Don't directly manipulate __mf_state variable.
1233 Add TRACE calls to hook functions without them.
1234 * mf-impl.h (LOCKTH): Try to count lock contention events.
1235 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
1236 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
1237 Reorganize reentrancy code.
1238 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
1239 identify reentrancy with mutex holding times.
1240 (internal __mfu_ entry points): Remove internal reentrancy code.
1241 (__mf_init): Use ordinary locked calls.
1242 (__mfu_report): Print the two new counts.
1243 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
1244 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
1245 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
1246 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
1249 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
1251 * configure.in: Add pthread support, plus glibc and porting hacks.
1252 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
1253 from objects built into ./pth/.
1254 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
1255 functions for internal entry points. Update callers to pick
1256 locked vs. unlocked variants.
1257 (__mf_resolve_single_dynamic): Extend to support symbol versioning
1258 info coming in from a static data structure.
1259 (*): Reorder miscellaneous declarations to group data vs functions.
1260 (__mf_set_default_options): Simplify.
1261 (__mf_usage): Mention threading status of host executable.
1262 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
1263 decls to match above.
1264 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
1265 * mf-heuristics.c: Choose between locked/unlocked calls. Add
1266 some lock/unlock markers. Remove some unused code.
1268 (pthread_create): New hook function.
1269 (__mf_pthread_cleanup, _spawner): New helper functions.
1270 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
1272 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
1274 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
1276 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
1278 * Makefile.am (HOOKOBJS): Add *time related hooks.
1279 * configure.in: Look for pthreads.h header.
1280 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
1281 * mf-runtime.c: Begin sketching some pthreads support.
1282 (__mf_usage): Check for -lpthread presence.
1283 (__mf_unregister): Confirm matching unregistration base.
1284 (__mf_find_objects_rec): Reduce unnecessary recursion.
1285 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
1286 #defines for new hook functions.
1287 * mf-impl.h: Corresponding changes.
1288 * config.h.in, configure, Makefile.in: Regenerated.
1290 2002-04-27 Diego Novillo <dnovillo@redhat.com>
1292 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
1293 modifiers to prevent being optimized away.
1294 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
1295 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1296 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
1297 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1298 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
1299 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
1300 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
1302 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1304 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1305 * configure.in: Look for uintptr_t and -ldl on target.
1306 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1307 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1308 * testsuite/Makefile.in: Regenerated.
1309 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1310 for better C compliance.
1312 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1314 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1316 * mf-runtime.c (__mf_set_default_options): Turn off
1317 check-initialization.
1318 (__mf_describe_object): Shorten description.
1319 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1321 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
1323 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1325 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
1327 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1329 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1330 * mf-impl.h (CALL_BACKUP): New macros.
1331 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1333 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
1335 * Makefile.am (AM_CFLAGS): Remove optimization flags.
1336 (HOOKOBJS): Remove dlopen hook.
1337 (libmudflap_la_LIBADD): Add -ldl.
1338 * mf-hooks.c (dlopen): Remove hook.
1339 * mf-impl.h (__mf_dynamic): Ditto.
1340 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1341 * Makefile.in: Regenerated.
1343 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
1345 * configure.in: Check for target gettimeofday, signal, some headers.
1346 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
1347 out inop multi_threaded field.
1348 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1349 (__mf_set_options): Correct handling of "-help".
1350 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1351 (__mf_check, __mf_register, __mf_unregister): Call it.
1352 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1353 (__mf_report_leaks): Make callable
1354 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
1355 distribution statistics.
1356 (__mf_adapt_cache): Rewrite shift guessing logic based on address
1358 * config.h.in, configure: Regenerated.
1359 * testsuite/libmudflap.c/fail27-frag.c: New test.
1360 * testsuite/libmudflap.c/pass36-frag.c: New test.
1362 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
1364 * mf-runtime.h.in: Tweak.
1365 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1366 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1367 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1369 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1371 * configure.in: Tweak generation of mf-runtime.h some more. It
1372 needs to work from both config.status and configure.
1373 * configure: Regenerated.
1375 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1377 * Makefile.am: Reorganize hook file building. Add auto dependencies.
1378 * configure.in: Tweak generation of mf-runtime.h.
1379 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1380 * mf-hooks.c (*): Adapt to initialized-heap object type.
1381 * mf-impl.h: Tweak cemetary boundaries.
1382 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1384 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1385 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1386 * testsuite/lib/libmudflap.exp (includes): Include build tree.
1387 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1389 * testsuite/.../fail{25,26}-frag.c: New tests.
1390 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1391 * Makefile.in, configure: Regenerated.
1393 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1395 * mf-runtime.c (__mf_set_default_options): Turn on initialization
1396 checking by default.
1397 (__mf_insert_new_object): As a temporary hack, assume that new
1398 objects registered on the stack start out initialized.
1399 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1400 heap objects by hand.
1402 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1404 Switch to macro-style hooks for str*/mem*/b* functions.
1405 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1406 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1407 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1408 (__mf_set_default_options): Turn off heur_proc_map.
1409 (*): Adapt to to macro-style hook functions.
1410 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1411 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1412 (__mf_violation): Handle __MF_VIOL_WATCH.
1413 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1414 (__mf_dynamic): Removed mem*/str*/b* functions.
1415 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1416 (WRAPPER2): New macro for macro-style hooks.
1417 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1419 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1420 * mf-heuristics.c: Adapt to macro-style hook functions.
1421 Correct some comments.
1422 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1423 output pattern tests.
1424 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1425 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1427 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1429 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1430 for global array registration.
1431 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1432 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1434 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1436 * Makefile.am: Add gross make bug workarounds. Tweaked
1437 SUBDIRS and AM_CFLAGS.
1438 * Makefile.in: Regenerated.
1440 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1443 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1444 * Makefile.am (TESTS): Remove simple automake testing.
1445 * configure, Makefile.in: Regenerated.
1446 (SUBDIRS): Include new testsuite/ directory.
1447 * tests/*: Removed all files; moved bulk under:
1448 * testsuite/*: New subdirectory tree.
1449 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1450 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1451 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1452 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1453 * testsuite/config/default.exp: New file.
1454 * testsuite/Makefile.am, Makefile.in: New files.
1456 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1458 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1459 (TESTS): Add fail22 and pass29 tests.
1460 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1461 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1462 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1463 values. Move __MF_VIOL* here.
1464 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1465 (check_initialization): New field in __mf_opts. Default off.
1466 (read_count,write_count): New fields in __mf_object.
1467 (__mf_check): Implement basic initialization checking.
1468 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1469 (__mf_describe_object): Print new fields.
1470 (__mf_violation): Identify check/read vs. check/write in messages.
1471 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1472 "-check-initialized" mudflap option.
1473 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1474 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1475 Drop __FILE__/__LINE__ hack. Update callers.
1476 (*): Adapt to new mf-runtime.h API.
1477 * Makefile.in: regenerated.
1479 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1481 * configure.in: Build mf-runtime.h a more proper way.
1482 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1483 * mf-runtime.c (verbose_violations): Turn on by default.
1484 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1485 * mf-impl.h: ... and move it here.
1486 * configure: Regenerated.
1488 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1490 * configure.in: Look for C++ compiler.
1491 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1492 fixed type warnings when built with C++.
1493 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1494 * Makefile.am (TESTS): Run them.
1495 (*) Add new rules for building and running C++ tests.
1496 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1497 * mf-runtime.h.in: Protect with extern "C".
1498 * Makefile, configure: Regenerated.
1500 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1502 Portability improvements.
1503 * configure.in: Look for glibc backtrace headers/functions.
1504 * mf-hooks.c: Don't include <execinfo.h> any more.
1505 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1507 (__mf_backtrace): Provide alternate baby implementation in
1509 * test/mf-driver.c: Portability tweaks.
1510 * acinclude.m4: New file, containing top level libtool.m4.
1511 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1513 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1515 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1517 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1519 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1521 (__mf_unregister): Implement stack/heap object wiping.
1522 (__mf_set_options): Renamed from __mf_process_opts.
1523 (__mf_uncache_object): Change arg type, correct callers.
1524 * mf-impl.h: Corresponding changes.
1525 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1526 * mf-runtime.h.in (__mf_set_options): Extend public API.
1527 * test/pass26-frag.c: New test for stack wiping.
1528 * Makefile.am (TESTS): Run it.
1529 * Makefile.in: Regenerated.
1531 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1533 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1534 * mf-runtime.c (__mf_object_t): Add watching_p field.
1535 (__mf_watch_or_not): New function to implement
1536 object watch flagging.
1537 (__mf_watch, __mf_unwatch): New wrappers for above.
1538 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1539 (__mf_count_violation): Enlarge array.
1540 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1541 unlink object. Clear cache properly.
1542 (__mf_unregister): Unlink object explicitly before uncaching.
1543 * test/fail21-frag.c, pass25-frag.c: New tests.
1544 * Makefile.in, aclocal.m4: Regenerated.
1546 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1548 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1549 * Makefile.am (TESTS): Add it.
1550 * test/pass-stratcliff.c: Add decls of stpcpy.
1551 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1552 build tree from config.h and new file mf-runtime.h.in.
1553 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1554 * Makefile.in, configure, config.h.in: Regenerated.
1555 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1556 * mf-runtime.c (options, __mf_set_default_options): Support new
1557 default "abbreviate" option.
1558 (__mf_object.description_epoch): New field.
1559 (__mf_describe_object): Conditionally abbreviate objects already
1560 displayed in current epoch. Accept NULL input to increment epoch.
1561 (__mf_fini, __mf_ini): Reset description epoch.
1562 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1563 that NULL pointer slot in lookup cache is invalidated. Register a
1564 NOACCESS region around NULL.
1565 * mf-impl.h: Corresponding changes.
1567 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1569 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1570 * Makefile.am: Run them. Install mf-runtime.h.
1571 * Makefile.in: Regenerated.
1572 * mf-hooks.c: Add some markers for more missing functions.
1573 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1574 statistic to tune tune cache size (mask).
1576 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1578 * test/pass23-frag.c: New test for bit_field_ref expressions.
1579 * Makefile.am, Makefile.in: Add new test.
1580 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1581 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1582 * mf-runtime.c (__mf_init): Register errno global.
1583 (__mf_find_object): Removed function.
1584 (__mf_check): Rewrite logic to support accesses across some
1585 contiguous but distinctly registered objects.
1586 (__mf_remove_old_object): Tolerate cache entries that span
1589 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1591 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1592 * Makefile.am, Makefile.in: Run new tests.
1593 * mf-hooks.c (alloca): Correct stack direction logic.
1595 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1597 * mf-impl.h (adapt_cache): New option.
1598 * mf-runtime.c (__mf_set_default_options): Set its default value.
1599 Tweak the tree_aging parameter down.
1600 (__mf_check): Maintain separate counter for cache-adaptation.
1601 (__mf_tree_analyze): New function to collect object tree stats.
1602 (__mf_adapt_cache): New function to automate cache parameters.
1604 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1606 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1607 hypothetical #if-0'd argv/envp region registration.
1608 * mf-runtime.c (__mf_init): Add kludged form of above.
1609 (*) Add "heur_argv_environ" flag, default on, to govern this.
1610 * mf-impl.h: Corresponding changes.
1612 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1614 * test/fail18-frag.c: New test file for NOACCESS regions.
1615 * Makefile.am (TESTS): Add new test.
1616 * Makefile.in: Regenerated.
1618 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1619 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1620 (optimize_object_tree): Remove unused mudflap_option.
1621 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1622 support throughout. Use .._MAX_CEM for cemetary upper bound.
1623 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1625 (__mf_object): Add new liveness field for use by tree aging.
1626 (__mf_check): Trigger tree aging when needed.
1627 (__mf_age_tree): New function to decay liveness field.
1628 (__mf_find_objects_rec): Use liveness field to rotate tree.
1629 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1630 (__mf_unregister): Ditto.
1631 (__mf_register): Tweak duplicate-static message.
1632 (__mf_violation: Tweak nearby-object counter printing.
1634 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1636 * test/pass20-frag.c: New test file.
1637 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1638 * Makefile.in: Regenerated.
1640 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1641 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1642 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1643 entries to avoid repeat registration.
1644 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1645 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1647 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1649 * Makefile.am: Create test sources with #include, not cat>>.
1650 * Makefile.in: Regenerated.
1651 * test/buildtest.sh: Removed.
1652 * test/driver.c (abort_handler, main): Be quiet.
1654 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1656 * test/pass18-frag.c, pass19-frag.c: New tests.
1657 * Makefile.am (check): Run them. Rebuild test programs each time.
1658 * Makefile.in: Regenerated.
1660 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1662 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1663 overlapping object search.
1664 (__mf_violation): Likewise for nearby objects.
1665 Improve nearby-object listing.
1668 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1669 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1671 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1674 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1675 (HOOKOBJS): Add alloca-hook.o.
1676 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1678 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1679 (__mf_backtrace): Reimplement without using alloca.
1680 * Makefile.in: Regenerated.
1683 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1684 Correct signedness bugs in length-tracking variables.
1685 * mf-impl.h: Make options unsigned.
1686 (CALL_WRAP): New macro to parallel CALL_REAL().
1687 (DECLARE): Remove erroneous ";" at end.
1688 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1689 formatting specs with %08lx. Correct several compiler warnings.
1691 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1693 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1695 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1697 libmudflap hook breakup:
1698 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1700 (TESTS): Make dependent on libmudflap.
1701 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1702 compiled from segments of mf-hooks.c.
1703 * mf-hooks.c: Corresponding changes: wrap each function in
1705 * Makefile.in: Regenerated.
1707 Heuristics reorganization:
1708 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1709 Remove these functions. Update callers.
1710 (__mf_heuristic_check): Incorporate all the various heuristics.
1711 Encode cacheability/retry judgement into trinary return value.
1712 Separate start-end logic into a separate fallback heuristic. Only
1713 register relevant /proc/self/map segments.
1714 * mf-impl.h: Corresponding changes.
1715 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1716 (__mf_init): Don't call __mf_init_heuristics.
1719 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1720 "-verbose-trace" to emit all tracing messages other than those of
1721 basic public api. Eliminate some duplicate/excessive messages.
1722 * mf-runtime.h: Corresponding changes.
1724 2002-08-27 Graydon Hoare <graydon@redhat.com>
1726 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1727 and __real when compiled with -DPIC.
1728 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1729 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1730 * Makefile.in: Regenerate.
1732 2002-08-26 Graydon Hoare <graydon@redhat.com>
1734 * mf-impl.h: New file, private implementation header.
1735 * mf-runtime.h: Reorganize a bit.
1736 (CLAMPSZ): Fix arithmetic.
1737 (__MF_CACHE_MISS_P): Fix arithmetic.
1738 * mf-runtime.c: Reorganize a bit.
1739 (__mf_dynamic): New structure.
1740 (resolve_single_dynamic): New function.
1741 (__mf_resolve_dynamics): New function.
1742 (__mf_init): Initialize dynamic wrappers.
1743 * mf-hooks.c: Macro-ize __real calls.
1744 Clamp various bits of arithmetic.
1745 Add explicit __mf_check call contexts.
1746 * Makefile.am: Add dependencies on mf-impl.h
1747 * Makefile.in: Regenerate.
1748 * configure.in: Comment out shared override.
1749 * configure: Regenerate.
1751 2002-08-22 Graydon Hoare <graydon@redhat.com>
1753 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1754 (__mf_check): Re-inialize and check heuristics before violation.
1755 (__mf_register): Permit updating pure-guess regions.
1756 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1757 (__wrap_dlopen): New wrapper function.
1758 (__wrap_mmap): New wrapper function.
1759 (__wrap_munmap): New wrapper function.
1760 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1761 which are not stack addresses.
1762 (is_stack_address): New function.
1763 (__mf_init_heuristics): Save and restore state, always initialize with
1766 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1768 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1769 error. Pass location string.
1770 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1771 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1772 (__mf_process_opts): Apply some sanity checking for lc-mask.
1773 (__mf_check, __mf_violation): Take new location-string argument.
1774 Update callers to pass NULL if necessary.
1775 (__mf_backtrace): New smart backtracer function. Calls replace
1776 several ad-hoc blocks elsewhere.
1777 (__mf_describe_object): Remove bad reentrancy test. Improve
1779 * mf-runtime.h: Corresponding changes. Public/private markup.
1780 (__MF_CACHE_MISS_P): New macro.
1782 2002-08-20 Graydon Hoare <graydon@redhat.com>
1784 * mf-runtime.h: New option: stack_bound (heuristic).
1785 Move some macros out of implementation files.
1786 * mf-runtime.c: New option string: -stack-bound.
1787 Unify recursion protection with hooks.
1789 (__mf_check): Call __mf_heuristic_check.
1790 (__mf_process_opts): Fix "no-" processing.
1791 * mf-heuristics.c (__mf_heuristic_check): New function.
1792 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1794 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1796 Option parsing improvements, region splitting bug fixes:
1797 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1798 * mf-runtime.h (heur_proc_map): New libmudflap option.
1799 * mf-runtime.c (__mf_set_default_options): Set it.
1800 (__mf_usage): Print default values/status.
1801 (__mf_process_opts): Support general "no-" option string prefix.
1802 (__mf_init): Print __mf_usage on unknown-option error.
1803 (__mf_register): Print trace message up front.
1804 Correct region splitting logic for case where a subregion disappears.
1805 Correct memory leak.
1806 (__mf_violation): Make even basic message conditional on option.
1809 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1810 (clean-local): New target.
1811 (test/*x rules): Add -g CFLAGS.
1812 (CFLAGS): Add -freorder-blocks.
1813 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1814 * Makefile.in: Regenerated.
1815 * Makefile, mf-config.h: Removed files.
1817 2002-08-16 Graydon Hoare <graydon@redhat.com>
1819 * mf-runtime.c (__mf_insert_new_object): Factor out of
1821 (__mf_remove_old_object): Factor out of __mf_unregister.
1822 (__mf_register): Handle guessed regions, splitting
1823 guesses when new registrations arrive.
1824 (__mf_unregister): Do not unregister guesses.
1825 * mf-runtime.h: Move convenience macros around,
1826 declare new option fields. Add __MF_TYPE_GUESS.
1827 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1828 (__wrap_free): Call __real_free for deferred frees.
1829 * Makefile.am: Add more tests, fix dependency.
1830 * Makefile.in: Regenerate.
1831 * test/pass[13..17]-frag.c: New testcases.
1832 * test/fail[13..17]-frag.c: New testcases.
1834 2002-08-15 Graydon Hoare <graydon@redhat.com>
1836 * mf-heuristics.c: New file.
1837 * mf-runtime.c (options): Add -trace-calls option.
1838 (__mf_init): Call __mf_init_heuristics.
1840 2002-08-14 Graydon Hoare <graydon@redhat.com>
1842 * Makefile.am (TESTS): Add testsuite support.
1843 * Makefile.in: Regenerate.
1844 * test/mf-driver.c: New file.
1845 * test/buildtest.sh: New file.
1846 * test/passNN-frag.c: New testcases.
1847 * test/failNN-frag.c: New testcases.
1849 2002-08-14 Graydon Hoare <graydon@redhat.com>
1851 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1852 verifying non-size-limited string extents.
1854 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1856 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1857 instead of plain str[n]len for internal checks.
1858 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1860 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1862 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1864 2002-08-13 Graydon Hoare <graydon@redhat.com>
1866 * mf-runtime.c: Rework configuration to operate on
1867 environment variable options rather than #defines
1868 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1869 (__mf_init): Set static __mf_active_p flag on startup,
1870 to inhibit mudflap wrap-based checking during crt0.s.
1871 * mf-runtime.h: Declare options structure.
1872 * mf-hooks.c: New wrappings for mem*, b*, str*
1873 libc functions (temporarily #if 0-ed out).
1875 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1877 * Makefile.am, configure.in: New files.
1878 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1879 * stamp-h.in, aclocal.m4: Ditto.
1881 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1883 * Makefile: New file.
1884 * mf-config.h: New file: runtime configuration.
1885 * mf-hooks.c: New file: interposed libc functions.
1886 * mf-runtime.c: New file: bulk of runtime.
1887 * mf-runtime.h: New file: public functions.
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