1 2011-06-27 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4 * configure.ac: Check for sys/mnttab.h.
5 Check for library containing connect.
6 * configure: Regenerate.
7 * config.h.in: Regenerate.
8 * mf-hooks2.c [HAVE_SYS_MNTTAB_H]: Include <sys/mnttab.h>.
9 * testsuite/libmudflap.c/pass-stratcliff.c (main) [__sun__ &&
10 __svr4__]: Disable rawmemchr, stpcpy, mempcpy tests.
12 2011-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
14 * configure: Regenerate.
16 2011-01-03 Jakub Jelinek <jakub@redhat.com>
18 * mf-runtime.c (__mf_usage): Update copyright notice dates.
20 2010-10-31 Jason Merrill <jason@redhat.com>
23 * testsuite/libmudflap.cth/pass40-frag.c: Increase timeout to 30.
25 2010-08-20 Uros Bizjak <ubizjak@gmail.com>
27 * testsuite/libmudflap.c++/pass41-frag.cxx (dg-prune-output):
30 2010-06-09 Iain Sandoe <iains@gcc.gnu.org>
33 * configure: Regenerate.
35 2010-05-16 Uros Bizjak <ubizjak@gmail.com>
37 * testsuite/libmudflap.c/pass46-frag.c (dg-options): Remove -Wall.
39 2010-05-15 Uros Bizjak <ubizjak@gmail.com>
41 * testsuite/lib/mfdg.exp (additional_prunes): New global.
42 (dg-test): Clear additional_prunes before test is run.
43 (dg-prune-output): New procedure.
44 * testsuite/lib/libmudflap.exp (libmudflap-dg-test): Do not call
46 (libmudflap-dg-prune): New procedure.
47 * testsuite/libmudflap.c++/pass57-frag.cxx (dg-prune-output):
50 2010-05-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
53 * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
54 * Makefile.in: Regenerate.
55 * testsuite/Makefile.in: Regenerate.
57 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
59 * Makefile.in: Regenerate.
60 * aclocal.m4: Regenerate.
61 * testsuite/Makefile.in: Regenerate.
63 2010-03-15 David S. Miller <davem@davemloft.net>
65 * testsuite/libmudflap.c/pass54-frag.c: Add explicit return from
68 2010-01-09 Jakub Jelinek <jakub@redhat.com>
70 * mf-runtime.c (__mf_usage): Update copyright notice dates.
72 2009-12-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
74 * Makefile.in: Regenerate.
75 * configure: Regenerate.
76 * testsuite/Makefile.in: Regenerate.
78 2009-09-22 Frank Ch. Eigler <fche@redhat.com>
81 * mf-runtime.c (__mf_init): Ignore $MUDFLAP_OPTIONS if
82 running setuid or setgid.
84 2009-09-01 Loren J. Rittle <ljrittle@acm.org>
86 * mf-runtime.c (__mf_init): Support FreeBSD.
87 Prime mutex which calls calloc upon first lock to avoid deadlock.
88 * mf-hooks1.c (__mf_0fn_mmap): Support FreeBSD.
89 Ignore red zone allocation request for initial thread's stack.
91 2009-09-01 Loren J. Rittle <ljrittle@acm.org>
92 Andreas Schwab <schwab@linux-m68k.org>
94 * testsuite/libmudflap.c/pass51-frag.c (MAP_FAILED): Define,
95 if not in system header; use it. On FreeBSD, must pass fd==-1
96 with MAP_ANON flag. Correct mmap error check.
97 * testsuite/libmudflap.c/fail40-frag.c: Ditto.
99 2009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
101 * configure.ac (AC_PREREQ): Bump to 2.64.
103 2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
105 * Makefile.am (install-html, install-pdf): Remove.
106 * Makefile.in: Regenerate.
108 * Makefile.in: Regenerate.
109 * aclocal.m4: Regenerate.
110 * config.h.in: Regenerate.
111 * configure: Regenerate.
112 * testsuite/Makefile.in: Regenerate.
114 2009-07-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
116 * configure.ac (_AC_ARG_VAR_PRECIOUS): Use m4_rename_force.
118 2009-07-16 Joseph Myers <joseph@codesourcery.com>
120 * configure: Regenerate.
122 2009-07-11 Richard Sandiford <rdsandiford@googlemail.com>
127 * testsuite/lib/libmudflap.exp: Revert 2009-06-30 commit.
129 2009-07-01 Richard Guenther <rguenther@suse.de>
131 PR tree-optimization/19831
132 * testsuite/libmudflap.c/fail11-frag.c: Make allocated memory
134 * testsuite/libmudflap.c/fail12-frag.c: Likewise.
135 * testsuite/libmudflap.c/fail16-frag.c: Likewise.
136 * testsuite/libmudflap.c/fail31-frag.c: Likewise.
138 2009-06-30 Richard Sandiford <r.sandiford@uk.ibm.com>
140 * testsuite/lib/libmudflap.exp (libmudflap-init): Don't add "."
141 to ld_library_path. Use add_path. Add just find_libgcc_s to
142 ld_library_path, not every libgcc multilib directory.
144 2009-04-09 Nick Clifton <nickc@redhat.com>
146 * mf-hooks1.c: Change copyright header to refer to version 3
147 of the GNU General Public License with version 3.1 of the GCC
148 Runtime Library Exception and to point readers at the COPYING3
149 and COPYING3.RUNTIME files and the FSF's license web page.
150 * mf-heuristics.c: Likewise.
151 * mf-hooks2.c: Likewise.
152 * mf-hooks3.c: Likewise.
153 * mf-impl.h: Likewise.
154 * mf-runtime.c: Likewise.
155 * mf-runtime.h: Likewise.
157 2009-04-09 Jakub Jelinek <jakub@redhat.com>
159 * testsuite/lib/mfdg.exp: Change copyright header to refer to
160 version 3 of the GNU General Public License and to point readers
161 at the COPYING3 file and the FSF's license web page.
162 * testsuite/lib/libmudflap.exp: Likewise.
164 2009-03-31 Ben Elliston <bje@au.ibm.com>
167 * testsuite/libmudflap.c/fail27-frag.c: Match `mudflap dead
168 object', not `mudflap object'.
170 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
172 * configure: Regenerate.
174 2009-02-03 Jakub Jelinek <jakub@redhat.com>
176 * mf-runtime.c (__mf_usage): Update copyright notice dates.
178 2009-01-23 Jie Zhang <jie.zhang@analog.com>
180 * mf-impl.h (__mf_get_state, __mf_set_state): Don't use
181 __thread when TLS support is emulated.
182 * mf-hooks3.c (__mf_get_state, __mf_set_state): Likewise.
183 * mf-runtime.c (__mf_state_1): Likewise.
184 * configure.ac: Use GCC_CHECK_EMUTLS.
185 * configure: Regenerate.
186 * config.h.in: Regenerate.
188 2008-12-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
190 * configure: Regenerate.
192 2008-11-26 Janis Johnson <janis187@us.ibm.com>
195 * testsuite/lib/mfdg.exp (dg-test): Use new timeout support.
196 (dg-timeout): Remove.
197 (standard-wait): Remove.
198 * testsuite/lib/libmudflap.exp: Include new timeout library files.
199 (libmudflap_target_compile): Set timeout value from new proc.
201 2008-11-10 Jakub Jelinek <jakub@redhat.com>
204 * testsuite/libmudflap.c/pass67-frag.c: New test.
206 2008-10-09 Jakub Jelinek <jakub@redhat.com>
209 * testsuite/libmudflap.c++/pass66-frag.cxx: New test.
211 2008-09-26 Peter O'Gorman <pogma@thewrittenword.com>
212 Steve Ellcey <sje@cup.hp.com>
214 * configure: Regenerate for new libtool.
215 * Makefile.in: Ditto.
216 * testsuite/Makefile.in: Ditto.
218 2008-09-15 Jakub Jelinek <jakub@redhat.com>
221 * testsuite/libmudflap.c/pass64-frag.c: New test.
223 2008-06-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
225 * Makefile.in: Regenerate.
226 * config.h.in: Regenerate.
227 * configure: Regenerate.
228 * testsuite/Makefile.in: Regenerate.
230 2008-04-18 Paolo Bonzini <bonzini@gnu.org>
233 * aclocal.m4: Regenerate.
234 * configure: Regenerate.
236 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
238 * testsuite/libmudflap.c/pass63-frag.c: New test.
240 2008-03-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
242 * aclocal.m4: Regenerate.
243 * configure: Likewise.
244 * Makefile.in: Likewise.
245 * testsuite/Makefile.in: Likewise.
247 2008-03-02 Jakub Jelinek <jakub@redhat.com>
249 * mf-runtime.c (__mf_usage): Update copyright notice dates.
251 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
253 * testsuite/libmudflap.c/fail8-frag.c: Adjust scan pattern for
255 * testsuite/libmudflap.c/fail9-frag.c: Ditto.
257 2008-01-24 David Edelsohn <edelsohn@gnu.org>
259 * configure: Regenerate.
261 2008-01-05 Jakub Jelinek <jakub@redhat.com>
263 PR tree-optimization/34618
264 * testsuite/libmudflap.c/pass62-frag.c: New test.
266 2008-01-03 Jakub Jelinek <jakub@redhat.com>
269 * testsuite/libmudflap.c++/pass61-frag.cxx: New test.
271 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
274 * testsuite/libmudflap.c++/pass60-frag.cxx: New test.
276 2007-10-15 Maciej W. Rozycki <macro@linux-mips.org>
278 * configure: Regenerate following changes to ../config/tls.m4.
280 2007-07-26 Tom Tromey <tromey@redhat.com>
282 * Makefile.in: Rebuilt.
283 * Makefile.am (clean-local): Removed.
284 (pth/mf-runtime.lo, pth/mf-heuristics.lo, pth/mf-hooks1.lo,
285 pth/mf-hooks2.lo, pth/mf-hooks3.lo): Likewise.
286 (libmudflapth_la_SOURCES): List sources.
287 (libmudflapth_la_LIBADD): Clear.
288 (libmudflapth_la_CFLAGS): New variable.
290 2007-07-05 H.J. Lu <hongjiu.lu@intel.com>
292 * aclocal.m4: Regenerated.
294 2007-06-02 Paolo Bonzini <bonzini@gnu.org>
296 * configure: Regenerate.
298 2007-05-31 Frank Ch. Eigler <fche@redhat.com>
300 From Andi Kleen <ak@suse.de>:
301 * mf-runtime.c (options): Rename structure for compatibility with
304 2007-05-23 Steve Ellcey <sje@cup.hp.com>
306 * Makefile.in: Regenerate.
307 * configure: Regenerate.
308 * aclocal.m4: Regenerate.
309 * testsuite/Makefile.in: Regenerate.
311 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
313 * testsuite/libmudflap.cth/pass59-frag.c (main): Fix casting of arg.
315 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
317 * Makefile.am: Add dummy install-pdf target.
318 * Makefile.in: Regenerate
320 2007-02-07 Jakub Jelinek <jakub@redhat.com>
323 * configure: Regenerate.
325 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
327 * configure: Regenerate.
329 2006-11-13 Daniel Jacobowitz <dan@codesourcery.com>
331 * configure: Regenerated.
333 2006-11-10 Frank Ch. Eigler <fche@redhat.com>
336 * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
337 static but not function scope static.
338 (free): Skip deallocation attempts for objects placed into
340 * testsuite/libmudflap.cth/pass59-frag.c: New test.
342 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
344 From Herman ten Brugge <hermantenbrugge@home.nl>:
345 * mf-runtime.c (__mf_uncache_object): Optimize the code so that
346 small and large objects are handled a lot faster.
348 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
350 * configure.ac (__libc_freeres): Look for it.
351 * mf-impl.h (call_libc_freeres): New configuration flag.
352 * mf-runtime.c (__mf_set_default_options): Set it by default.
353 (__mfu_report): Call it if needed.
354 (__mfu_unregister): Remove "unaccessed registered object" warning.
355 * configure, config.h.in: Regenerated.
357 2006-09-18 Tom Tromey <tromey@redhat.com>
359 * configure: Rebuilt.
361 2006-06-21 Frank Ch. Eigler <fche@redhat.com>
364 mf-runtime.h installation based on ssp patch for PR 26473 from
365 Mark Mitchell <mark@codesourcery.com>.
366 * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
367 * Makefile.am (target_noncanonical): Define.
368 (libsubincludedir): New variable.
369 (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
370 (include_HEADERS): Remove.
371 * configure, aclocal.m4, config.h.in: Regenerated.
372 * Makefile.in, testsuite/Makefile.in: Likewise.
373 * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
374 and _THREAD_SAFE redefinition values.
376 2006-05-23 Carlos O'Donell <carlos@codesourcery.com>
378 * Makefile.am: Add install-html target. Add install-html to .PHONY
379 * Makefile.in: Regenerate.
381 2006-04-19 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
384 * testsuite/libmudflap.c++/error1-frag.cxx: New test.
387 * testsuite/libmudflap.c++/error2-frag.cxx: New test.
389 2006-04-10 Matthias Klose <doko@debian.org>
391 * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
392 directory names containing underscores.
394 2005-11-22 Janis Johnson <janis187@us.ibm.com>
396 * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
397 MUDFLAP_FLAGS if static library not supported.
398 * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
399 * testsuite/libmudflap.c/externs.exp: Ditto.
400 * testsuite/libmudflap.c++/ctors.exp: Ditto.
401 * testsuite/libmudflap.c++/c++frags.exp: Ditto.
402 * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
404 2005-10-04 James E Wilson <wilson@specifix.com>
406 * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
407 $name as array of characters with unknown bound. Also store into the
409 * configure: Regenerate.
411 2005-09-30 James E. Wilson <wilson@specifix.com>
413 * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
415 (target_thread_file): New. Set from sed'ed gcc output.
416 (posix_threads): New. Set from target_thread_file. Use instead of
418 (pthread_create_version): Move initialization before code using it.
419 * configure: Regenerate.
421 * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
424 2005-09-29 James E. Wilson <wilson@specifix.com>
426 * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
427 with HAVE_MMAP ifdef.
429 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
432 * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
434 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
436 * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
438 2005-09-23 Tom Tromey <tromey@redhat.com>
440 * aclocal.m4, configure: Rebuilt.
441 * configure.ac: Use GCC_CHECK_TLS.
442 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
445 2005-08-22 Jim Wilson <wilson@specifix.com>
447 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
448 __FreeBSD__ is defined.
450 2005-08-17 Jim Wilson <wilson@specifix.com>
452 * mf-hooks1.c (malloc, calloc, realloc, free,
453 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
454 the real routines, and END_MALLOC_PROTECT afterwards.
455 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
456 (BEGIN_PROTECT): Handle in_malloc state.
457 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
458 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
460 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
462 * All files: Update FSF address.
464 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
466 * mf-hooks3.c (main_seen_p): Remove.
467 (__mf_get_state): Remove attempt to recognize the main thread.
469 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
471 * configure.ac: Test for the name of the symbol used for the entry
472 point; define ENTRY_POINT to the result.
473 * configure: Regenerate.
474 * config.h.in: Regenerate.
475 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
477 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
479 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
480 (__mf_init): Set thread state active.
481 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
483 (pthread_create wrapper): Always use thread spawner.
485 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
486 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
488 2005-07-16 Richard Henderson <rth@redhat.com>
490 * acinclude.m4: New file.
491 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
492 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
493 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
494 (__mf_0fn_calloc): ... here.
495 * mf-hooks3.c (struct pthread_info): Remove.
496 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
497 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
498 (struct mf_thread_data): New.
499 (mf_thread_data, mf_thread_data_lock): New.
500 (__mf_allocate_blank_threadinfo): Remove.
501 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
503 (__mf_state_perthread): Remove.
504 (__mf_get_state, __mf_set_state): New.
505 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
506 Update mf_thread_data killing procedure.
507 (__mf_pthread_spawner): Similarly.
508 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
509 code to allocate thread stack space.
510 (__mf_0fn_pthread_join, pthread_join): Remove.
511 (__mf_0fn_pthread_exit, pthread_exit): Remove.
512 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
513 (__mf_state_1): Rename from __mf_state; use TLS when available.
514 (__mf_get_state, __mf_set_state): New. Update all users.
515 * mf-runtime.c (begin_recursion_protect1): New.
516 (BEGIN_RECURSION_PROTECT): Use it.
517 (__mf_state_1): Rename from __mf_state; use TLS when available.
518 (threads_active_p): Remove.
519 (__mf_usage): Compute it directly.
521 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
523 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
525 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
527 Fix for uncaching bug reported by Herman ten Brugge.
528 * mf-runtime.c (__mf_uncache_object): Search whole cache.
529 * testsuite/libmudflap.c/fail40-frag.c: New test.
531 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
534 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
535 * Makefile.in: Amend.
537 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
540 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
541 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
543 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
546 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
548 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
551 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
552 unsigned vars with #defines instead of enums.
554 2005-05-09 Mike Stump <mrs@apple.com>
556 * configure: Regenerate.
558 2005-04-12 Mike Stump <mrs@apple.com>
560 * configure: Regenerate.
562 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
565 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
566 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
568 2005-04-04 Alan Modra <amodra@bigpond.net.au>
570 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
572 2005-03-31 Mike Stump <mrs@apple.com>
574 * mf-runtime.h: Add libmudflap copyright clause.
576 2005-03-21 Mike Stump <mrs@apple.com>
578 * mf-heuristics.c: Fix whitespace at end of line.
579 * mf-hooks1.c: Likewise.
580 * mf-hooks2.c: Likewise.
581 * mf-hooks3.c: Likewise.
582 * mf-impl.h: Likewise.
583 * mf-runtime.c: Likewise.
584 * mf-runtime.h: Likewise.
586 2005-03-21 Zack Weinberg <zack@codesourcery.com>
588 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
589 In all substitutions, expand gcc_version in Makefile.
590 * aclocal.m4, configure: Regenerate.
591 * Makefile.am: Set gcc_version.
592 * Makefile.in, testsuite/Makefile.in: Regenerate.
594 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
596 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
597 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
599 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
602 * testsuite/libmudflap.c++/pass55-frag.c: New test.
604 2005-01-05 Richard Henderson <rth@redhat.com>
606 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
608 2005-01-02 Greg McGary <greg@mcgary.org>
610 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
611 * mf-runtime.h: New file, replaces mf-runtime.h.in.
612 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
613 * Makefile.in: Ditto.
614 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
615 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
616 * testsuite/libmudflap.c/fail36-frag.c: New test.
617 * testsuite/libmudflap.c/fail37-frag.c: New test.
618 * testsuite/libmudflap.c/fail38-frag.c: New test.
620 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
622 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
623 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
625 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
627 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
628 * aclocal.m4: Include ../config/gcc-version.m4.
629 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
631 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
633 * Makefile.am: Define ACLOCAL_AMFLAGS.
634 * acinclude.m4: Remove.
635 * stamp-h.in: Remove superfluous stamp file.
636 * aclocal.m4, configure, Makefile.in: Regenerate.
637 * testsuite/Makefile.in: Likewise.
639 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
641 * Makefile.am: Revert previous.
642 * acinclude.m4: Restore.
643 * aclocal.m4, configure, Makefile.in: Regenerate.
644 * testsuite/Makefile.in: Likewise.
646 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
648 * Makefile.am: Define ACLOCAL_AMFLAGS.
649 * acinclude.m4: Remove.
650 * aclocal.m4, configure, Makefile.in: Regenerate.
651 * testsuite/Makefile.in: Likewise.
653 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
655 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
657 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
659 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
660 * testsuite/Makefile.in: Likewise.
662 2004-11-01 Andreas Schwab <schwab@suse.de>
664 * configure.ac: (target_alias): Default to $host_alias, not
666 * configure: Regenerated.
668 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
670 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
671 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
674 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
677 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
679 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
681 * configure.ac: Check for more headers, functions.
682 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
683 tracking overridden FILE buffers.
684 (fopen, setvbuf): New/revised hook functions for buffer overriding.
685 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
686 (fflush): Accept given NULL stream (means "all streams").
688 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
690 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
691 (__mf_adapt_cache): Use them all.
692 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
693 * testsuite/libmudflap.c++/ctors.exp: Ditto.
694 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
695 * configure, config.h.in: Regenerated.
697 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
699 * configure.ac: Checking for sys/socket.h once is enough.
700 * configure: Regenerated.
702 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
704 * configure.ac: Look for more headers & functions.
705 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
706 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
707 * mf-runtime.c (options): Clean up integer signedness warnings.
708 (main): Add a declaration to fix a warning.
709 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
710 * configure, config.h.in: Regenerated.
712 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
714 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
715 New tests for proper base/limit checking for aggregates.
717 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
719 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
721 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
723 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
724 * mf-hooks2.c (strerror): Unregister previous string returned by
726 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
727 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
728 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
729 * mf-runtime.c (__mf_describe_object): Clarify object life status.
730 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
732 * configure, config.h.in: Regenerated.
734 2004-08-03 Dale Johannesen <dalej@apple.com>
736 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
738 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
740 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
741 simplified contents in all former callers.
743 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
745 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
746 the statically linked case.
748 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
750 * splay-tree.[ch]: Remove. Merge contents into ...
751 * mf-runtime.c: ... here, renaming symbols and making all functions
752 static. Remove unused min/max functions.
753 * Makefile.am: Forget about splay-tree.[ch].
754 * Makefile.in, testsuite/Makefile.in: Regenerated.
756 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
758 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
759 (__mfu_usage): Include (C) 2004.
760 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
761 here. Include a comment explaining why.
763 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
765 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
766 * mf-runtime.c (options): Give them a name.
767 (__mf_set_default_options): Set them.
768 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
769 (__mf_violation): Warning cleanup.
770 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
771 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
773 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
776 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
779 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
781 Test case for g++/15861
782 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
783 * testsuite/libmudflap.c++/ctors.exp: Driver.
784 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
785 Look only for *frag* test cases.
787 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
789 ANSI C conversion, libmudflap specialization, recursion limiting.
790 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
791 argument and indirection function pointers, update callers.
792 (splay_tree_s): Add statistics and recursion control fields
793 num_keys, max_depth, depth, rebalance_p.
794 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
795 Back out of search if it exceeds limit.
796 (splay_tree_splay): Manage recursion limiting with rebalancing as
798 (splay_tree_new): More initialization.
799 (splay_tree_rebalance): New function.
800 (splay_tree_foreach): Rewrite using nonrecursive logic.
801 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
802 Remove. Point indirect calls to mf-runtime.c's routines.
803 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
805 (splay_tree_delete, splay_tree_delete_helper): Ditto.
806 * testsuite/heap-scalestress.c: New test based on one from
807 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
809 2004-07-05 Matthias Klose <doko@debian.org>
811 * libtool-version: New.
812 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
813 Use -version-info for soname.
814 * Makefile.in: Regenerate.
815 * configure.ac: Remove libtool_VERSION macro
816 * configure: Regenerate
818 2004-07-05 Zack Weinberg <zack@codesourcery.com>
820 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
821 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
824 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
826 Splay tree implementation fork.
827 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
828 Use hard-coded comparison function for uintptr_t. Remove key/value
829 deallocation logic. Cache last splayed key for consecutive lookups.
830 * Makefile.am, Makefile.in: Use them, don't link to them.
831 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
832 (__mf_find_objects2): Flip successor/predecessor search sequence.
833 * ansidecl.h, libiberty.h: Removed dummy files.
835 2004-06-29 Nick Clifton <nickc@redhat.com>
837 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
838 * configure: Regenerate.
839 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
841 Remove spurious inclusion of <strings.h>.
843 2004-06-29 Nick Clifton <nickc@redhat.com>
845 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
846 function actually exists.
848 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
850 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
851 * config.h.in: Regenerated.
853 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
855 Adopt splay trees for object database.
856 * Makefile.am: Copy splay-tree.* from libiberty.
857 * Makefile.in, testsuite/Makefile.in: Regenerated.
858 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
859 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
860 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
861 * mf-runtime.c: Rewrite code dealing with object database to use
862 libiberty splay trees. Remove tree liveness aging option.
863 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
865 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
867 * configure.ac: New name of configure.in. Update
868 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
869 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
870 Autoconf 2.5x and Automake 1.7 or later.
871 * configure.in: Remove.
872 * configure: Regenerate.
874 * Makefile.am: Remove useless multilib rules.
875 * Makefile.in: Regenerate.
877 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
879 * .cvsignore: New file.
881 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
884 * mf-hooks2.c (semctl): Add cygwin porting hack.
886 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
889 * configure.in: Look for ctype header and glibc implementation.
890 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
891 array hooks for glibc 2.3.
892 * mf-runtime.h.in: Wrap them.
893 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
895 * testsuite/libmudflap.c/pass47-frag.c: New test.
896 * configure, config.h.in: Regenerated.
898 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
900 Portability improvements, e.g., libmudflap/15293.
901 * configure.in: Look for glibc extension functions. Look for
902 support of -f{function,data}-sections. Look for more headers.
903 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
904 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
905 mf-hooks* into usual single object per source.
906 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
907 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
908 if system doesn't provide one.
909 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
910 (pthread_create): Use it to properly GC dead thread stacks.
911 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
912 * testsuite/Makefile.am: Stop generating site.exp.
913 * testsuite/mfconfig.exp.in: New file.
914 * testsuite/config/default.exp: Load new mfconfig.exp.
915 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
916 (prune_gcc_output): Add glibc static linking warnings.
917 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
918 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
919 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
920 Regenerated with autoconf 2.57 and automake 1.7.
922 2004-06-04 Per Bothner <per@bothner.com>
924 * configure.in (LIBMUDFLAPTH): Fix thinko.
926 * configure.in: Check for more headers.
927 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
929 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
930 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
932 2004-06-01 Andreas Jaeger <aj@suse.de>
934 * configure.in: Handle multilibs, support
935 --enable-version-specific-runtime-libs.
936 * Makefile.am (lib_LTLIBRARIES): Rename to ...
937 (toolexeclib_LTLIBRARIES): this for multilib support.
938 * Makefile.in: Regenerated.
939 * configure: Regenerated.
940 * aclocal.m4: Regenerated.
941 * config.h.in: Regenerated.
942 * testsuite/Makefile.in: Regenerated.
944 2004-06-01 Andreas Jaeger <aj@suse.de>
946 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
947 multilibs, using multilib directory instead of hardcoded path.
950 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
952 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
953 * Makefile.in: Ditto.
955 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
957 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
958 * aclocal.m4, configure: Rebuilt.
960 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
962 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
963 import some build settings from libstdc++-v3 testsuite_flags.
964 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
965 changes to pass test language.
967 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
968 quicker mode-nop handling.
970 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
972 * mf-impl.h: Added libgcc license header.
974 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
976 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
977 Added libgcc license header.
978 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
979 (pthread_create): Simplify stack allocation syntax.
981 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
983 * mf-hooks2.c: Support FreeBSD.
984 (WRAP_gets): Avoid gets().
985 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
986 test unimplemented mem/str calls on FreeBSD.
987 * testsuite/libmudflap.c/pass21-frag.c: Do not include
988 <alloca.h> on FreeBSD.
990 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
992 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
993 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
994 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
995 flags for static linking permutation.
996 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
997 some pthreads code that croaks on linux glibc tls.
999 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
1001 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
1003 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
1005 * testsuite/libmudflap.c/pass44-frag.c: New test.
1007 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
1009 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
1011 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
1013 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
1015 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
1017 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
1019 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
1022 * configure.in: Add check for see if
1023 socklen_t typedef is in sys/socket.h.
1024 * mf-hooks1.c: Add define if socklen_t
1026 * mf-hooks2.c: Likewise.
1027 * mf-hooks3.c: Likewise.
1028 * config.h.in: Regen.
1031 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
1033 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
1034 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
1036 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
1037 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
1038 (unoptimized) allocation of stack space.
1040 2003-12-07 Richard Henderson <rth@redhat.com>
1042 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
1043 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
1045 2003-12-06 Andrew Pinski <apinski@apple.com>
1047 partial PR libmudflap/12670
1048 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
1049 * mf-hooks2.c: Likewise.
1050 * mf-hooks3.c: Likewise.
1052 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
1055 * mf-runtime.h.in: Switch to #pragma redefine_extname for
1056 symbols interposed at compile time.
1057 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
1060 * mf-hooks2.c (semctl): Tolerate FreeBSD.
1062 * configure.in: Reorganize check for <pthread.h>.
1063 * configure: Regenerated.
1065 2003-11-04 David Edelsohn <edelsohn@gnu.org>
1067 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
1068 (_LARGE_FILE_API): Define for AIX.
1069 * mf-hooks[123]: Same.
1070 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
1072 2003-10-21 David Edelsohn <edelsohn@gnu.org>
1074 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
1076 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
1078 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1080 * configure.in: Update check for union semun.
1082 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1085 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
1087 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
1090 * configure.in: Add checks for 64-bit LFS functions, struct semun
1091 definition, for BSD compatibility.
1092 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
1093 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
1094 * mf-hooks3.c: Ditto.
1095 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
1097 * configure, config.h.in: Regenerated.
1099 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
1101 Multithreading fixes:
1102 * mf-runtime.c (__mf_object): Store allocating/deallocating
1104 (options): Support new "-thread-stack" option.
1105 Rename "-heur-argv-environ" option to "-heur-stdlib".
1106 Disable "-lc-mask" and "-lc-shift" options.
1107 (__mf_dynamic): Add function pointers for pthread_join/_exit.
1108 (__assert_fail): New self-contained function for glibc.
1109 * mf-hooks3.c: Essentially rewritten, particularly related to
1110 use of __mf_pthread_info array.
1111 (pthread_join, _exit): New hook functions.
1112 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
1113 * testsuite/libmudflap.cth/pass40-frag.c: New test.
1116 * mf-heuristics.c: Add type casts for tracing, sub calls.
1117 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
1118 Update all callers to declare explicit result holder.
1119 (END_PROTECT): Removed.
1120 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
1122 2003-07-15 Diego Novillo <dnovillo@redhat.com>
1124 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
1125 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1126 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1128 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
1130 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
1131 * mf-hooks: Removed.
1132 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
1133 Move these macros from old mf-hooks.c here.
1134 * Makefile.am: Adapt to split-up hook sources for faster builds.
1135 * Makefile.in: Regenerated.
1137 * mf-heuristics.c: Remove #if-0 block.
1139 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
1140 (__mf_starting_p): New state only for use while dlsym bootstrapping.
1141 (CALL_REAL, __mf_init): Corresponding changes.
1142 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
1143 all callers to remove redundant "mf:" prefix.
1144 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
1145 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
1146 (__mf_pthread_info): Become a hash table.
1148 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
1149 "dg-repetitions" directives to control test case execution.
1150 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
1152 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
1154 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
1156 * mf-hooks.c (alloca): Separate into stub.
1157 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
1158 malloc/free for alloca blocks.
1159 (pthread_create): Tolerate failing pthread_attr_get* calls.
1160 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
1161 * mf-impl.h (CALL_WRAP): Remove macro.
1162 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
1163 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
1164 padding for ia64 BIT_FIELD_REF constructs.
1166 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
1168 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
1169 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
1170 libmudflap object type.
1171 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
1172 crashes on unregistering STATIC objects.
1174 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
1176 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
1177 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
1178 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
1179 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
1180 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
1181 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
1182 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
1183 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
1184 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
1185 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
1186 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
1187 (accept, bind, connect, gethostname, sethostname): New hooks.
1188 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
1189 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
1190 (semop, semctl, shmctl, shmat, shmdt): New hooks.
1191 * mf-runtime.h.in: Corresponding changes.
1192 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
1193 (opts) Rename heur_argv_environ to heur_std_data.
1194 (__mf_wrap_main): Use STATIC type for argv/environ strings.
1195 * Makefile.am: Corresponding changes.
1196 * Makefile.in: Regenerated.
1198 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
1200 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
1201 heuristic for threaded case, and for non-x86-linux targets.
1202 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
1203 for use during pre-main() program startup.
1204 (__mf_0fn_*): Make these functions non-static.
1205 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
1207 * mf-runtime.c (__mf_state): Set initial state to "starting".
1208 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
1209 (__wrap_main): New function to register argv[] and environ[] strings.
1210 (__mf_ini): Call it.
1211 (*): In all trace functions, use "%p" as formatter for uintptr_t.
1213 * testsuite/libmudflap.c/pass38-frag.c: New test case.
1214 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
1216 * acinclude.m4: Add comments with aoliva's concerns about x86_64
1218 * aclocal.m4, configure: Regenerated.
1220 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
1222 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
1223 * aclocal.m4, configure: Regenerated.
1225 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
1227 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
1228 for x86_64 target. Disable caching for this value.
1229 * aclocal.m4, configure: Regenerated.
1231 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
1233 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
1234 is about to become deprecated, and its present handling bugs are
1237 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
1239 * testsuite/libmudflap.c/pass38-frag.c: New test for
1242 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1244 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
1245 __mf_report, asserting reentrant calling context.
1247 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1249 * mf-hooks.c (realloc): Correct reentrancy logic.
1250 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
1252 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
1254 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
1255 PTHREAD_THREADS_MAX. Update users.
1256 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
1258 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
1259 with libmudflapth presence indicator.
1260 * testsuite/Makefile.in: Regenerated.
1262 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
1264 * Makefile.am (AM_CFLAGS): Remove "-ansi".
1265 * configure.in: Remove silly no-pthreads => no-shared logic.
1266 * Makefile.in, configure: Regenerated.
1267 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
1268 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
1269 code. Count reentrancy events.
1270 (all hook functions): Don't directly manipulate __mf_state variable.
1271 Add TRACE calls to hook functions without them.
1272 * mf-impl.h (LOCKTH): Try to count lock contention events.
1273 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
1274 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
1275 Reorganize reentrancy code.
1276 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
1277 identify reentrancy with mutex holding times.
1278 (internal __mfu_ entry points): Remove internal reentrancy code.
1279 (__mf_init): Use ordinary locked calls.
1280 (__mfu_report): Print the two new counts.
1281 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
1282 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
1283 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
1284 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
1287 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
1289 * configure.in: Add pthread support, plus glibc and porting hacks.
1290 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
1291 from objects built into ./pth/.
1292 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
1293 functions for internal entry points. Update callers to pick
1294 locked vs. unlocked variants.
1295 (__mf_resolve_single_dynamic): Extend to support symbol versioning
1296 info coming in from a static data structure.
1297 (*): Reorder miscellaneous declarations to group data vs functions.
1298 (__mf_set_default_options): Simplify.
1299 (__mf_usage): Mention threading status of host executable.
1300 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
1301 decls to match above.
1302 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
1303 * mf-heuristics.c: Choose between locked/unlocked calls. Add
1304 some lock/unlock markers. Remove some unused code.
1306 (pthread_create): New hook function.
1307 (__mf_pthread_cleanup, _spawner): New helper functions.
1308 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
1310 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
1312 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
1314 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
1316 * Makefile.am (HOOKOBJS): Add *time related hooks.
1317 * configure.in: Look for pthreads.h header.
1318 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
1319 * mf-runtime.c: Begin sketching some pthreads support.
1320 (__mf_usage): Check for -lpthread presence.
1321 (__mf_unregister): Confirm matching unregistration base.
1322 (__mf_find_objects_rec): Reduce unnecessary recursion.
1323 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
1324 #defines for new hook functions.
1325 * mf-impl.h: Corresponding changes.
1326 * config.h.in, configure, Makefile.in: Regenerated.
1328 2002-04-27 Diego Novillo <dnovillo@redhat.com>
1330 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
1331 modifiers to prevent being optimized away.
1332 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
1333 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1334 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
1335 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1336 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
1337 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
1338 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
1340 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1342 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1343 * configure.in: Look for uintptr_t and -ldl on target.
1344 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1345 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1346 * testsuite/Makefile.in: Regenerated.
1347 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1348 for better C compliance.
1350 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1352 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1354 * mf-runtime.c (__mf_set_default_options): Turn off
1355 check-initialization.
1356 (__mf_describe_object): Shorten description.
1357 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1359 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
1361 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1363 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
1365 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1367 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1368 * mf-impl.h (CALL_BACKUP): New macros.
1369 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1371 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
1373 * Makefile.am (AM_CFLAGS): Remove optimization flags.
1374 (HOOKOBJS): Remove dlopen hook.
1375 (libmudflap_la_LIBADD): Add -ldl.
1376 * mf-hooks.c (dlopen): Remove hook.
1377 * mf-impl.h (__mf_dynamic): Ditto.
1378 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1379 * Makefile.in: Regenerated.
1381 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
1383 * configure.in: Check for target gettimeofday, signal, some headers.
1384 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
1385 out inop multi_threaded field.
1386 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1387 (__mf_set_options): Correct handling of "-help".
1388 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1389 (__mf_check, __mf_register, __mf_unregister): Call it.
1390 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1391 (__mf_report_leaks): Make callable
1392 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
1393 distribution statistics.
1394 (__mf_adapt_cache): Rewrite shift guessing logic based on address
1396 * config.h.in, configure: Regenerated.
1397 * testsuite/libmudflap.c/fail27-frag.c: New test.
1398 * testsuite/libmudflap.c/pass36-frag.c: New test.
1400 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
1402 * mf-runtime.h.in: Tweak.
1403 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1404 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1405 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1407 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1409 * configure.in: Tweak generation of mf-runtime.h some more. It
1410 needs to work from both config.status and configure.
1411 * configure: Regenerated.
1413 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1415 * Makefile.am: Reorganize hook file building. Add auto dependencies.
1416 * configure.in: Tweak generation of mf-runtime.h.
1417 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1418 * mf-hooks.c (*): Adapt to initialized-heap object type.
1419 * mf-impl.h: Tweak cemetary boundaries.
1420 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1422 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1423 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1424 * testsuite/lib/libmudflap.exp (includes): Include build tree.
1425 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1427 * testsuite/.../fail{25,26}-frag.c: New tests.
1428 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1429 * Makefile.in, configure: Regenerated.
1431 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1433 * mf-runtime.c (__mf_set_default_options): Turn on initialization
1434 checking by default.
1435 (__mf_insert_new_object): As a temporary hack, assume that new
1436 objects registered on the stack start out initialized.
1437 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1438 heap objects by hand.
1440 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1442 Switch to macro-style hooks for str*/mem*/b* functions.
1443 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1444 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1445 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1446 (__mf_set_default_options): Turn off heur_proc_map.
1447 (*): Adapt to to macro-style hook functions.
1448 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1449 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1450 (__mf_violation): Handle __MF_VIOL_WATCH.
1451 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1452 (__mf_dynamic): Removed mem*/str*/b* functions.
1453 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1454 (WRAPPER2): New macro for macro-style hooks.
1455 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1457 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1458 * mf-heuristics.c: Adapt to macro-style hook functions.
1459 Correct some comments.
1460 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1461 output pattern tests.
1462 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1463 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1465 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1467 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1468 for global array registration.
1469 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1470 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1472 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1474 * Makefile.am: Add gross make bug workarounds. Tweaked
1475 SUBDIRS and AM_CFLAGS.
1476 * Makefile.in: Regenerated.
1478 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1481 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1482 * Makefile.am (TESTS): Remove simple automake testing.
1483 * configure, Makefile.in: Regenerated.
1484 (SUBDIRS): Include new testsuite/ directory.
1485 * tests/*: Removed all files; moved bulk under:
1486 * testsuite/*: New subdirectory tree.
1487 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1488 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1489 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1490 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1491 * testsuite/config/default.exp: New file.
1492 * testsuite/Makefile.am, Makefile.in: New files.
1494 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1496 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1497 (TESTS): Add fail22 and pass29 tests.
1498 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1499 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1500 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1501 values. Move __MF_VIOL* here.
1502 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1503 (check_initialization): New field in __mf_opts. Default off.
1504 (read_count,write_count): New fields in __mf_object.
1505 (__mf_check): Implement basic initialization checking.
1506 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1507 (__mf_describe_object): Print new fields.
1508 (__mf_violation): Identify check/read vs. check/write in messages.
1509 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1510 "-check-initialized" mudflap option.
1511 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1512 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1513 Drop __FILE__/__LINE__ hack. Update callers.
1514 (*): Adapt to new mf-runtime.h API.
1515 * Makefile.in: regenerated.
1517 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1519 * configure.in: Build mf-runtime.h a more proper way.
1520 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1521 * mf-runtime.c (verbose_violations): Turn on by default.
1522 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1523 * mf-impl.h: ... and move it here.
1524 * configure: Regenerated.
1526 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1528 * configure.in: Look for C++ compiler.
1529 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1530 fixed type warnings when built with C++.
1531 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1532 * Makefile.am (TESTS): Run them.
1533 (*) Add new rules for building and running C++ tests.
1534 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1535 * mf-runtime.h.in: Protect with extern "C".
1536 * Makefile, configure: Regenerated.
1538 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1540 Portability improvements.
1541 * configure.in: Look for glibc backtrace headers/functions.
1542 * mf-hooks.c: Don't include <execinfo.h> any more.
1543 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1545 (__mf_backtrace): Provide alternate baby implementation in
1547 * test/mf-driver.c: Portability tweaks.
1548 * acinclude.m4: New file, containing top level libtool.m4.
1549 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1551 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1553 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1555 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1557 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1559 (__mf_unregister): Implement stack/heap object wiping.
1560 (__mf_set_options): Renamed from __mf_process_opts.
1561 (__mf_uncache_object): Change arg type, correct callers.
1562 * mf-impl.h: Corresponding changes.
1563 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1564 * mf-runtime.h.in (__mf_set_options): Extend public API.
1565 * test/pass26-frag.c: New test for stack wiping.
1566 * Makefile.am (TESTS): Run it.
1567 * Makefile.in: Regenerated.
1569 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1571 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1572 * mf-runtime.c (__mf_object_t): Add watching_p field.
1573 (__mf_watch_or_not): New function to implement
1574 object watch flagging.
1575 (__mf_watch, __mf_unwatch): New wrappers for above.
1576 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1577 (__mf_count_violation): Enlarge array.
1578 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1579 unlink object. Clear cache properly.
1580 (__mf_unregister): Unlink object explicitly before uncaching.
1581 * test/fail21-frag.c, pass25-frag.c: New tests.
1582 * Makefile.in, aclocal.m4: Regenerated.
1584 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1586 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1587 * Makefile.am (TESTS): Add it.
1588 * test/pass-stratcliff.c: Add decls of stpcpy.
1589 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1590 build tree from config.h and new file mf-runtime.h.in.
1591 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1592 * Makefile.in, configure, config.h.in: Regenerated.
1593 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1594 * mf-runtime.c (options, __mf_set_default_options): Support new
1595 default "abbreviate" option.
1596 (__mf_object.description_epoch): New field.
1597 (__mf_describe_object): Conditionally abbreviate objects already
1598 displayed in current epoch. Accept NULL input to increment epoch.
1599 (__mf_fini, __mf_ini): Reset description epoch.
1600 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1601 that NULL pointer slot in lookup cache is invalidated. Register a
1602 NOACCESS region around NULL.
1603 * mf-impl.h: Corresponding changes.
1605 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1607 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1608 * Makefile.am: Run them. Install mf-runtime.h.
1609 * Makefile.in: Regenerated.
1610 * mf-hooks.c: Add some markers for more missing functions.
1611 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1612 statistic to tune tune cache size (mask).
1614 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1616 * test/pass23-frag.c: New test for bit_field_ref expressions.
1617 * Makefile.am, Makefile.in: Add new test.
1618 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1619 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1620 * mf-runtime.c (__mf_init): Register errno global.
1621 (__mf_find_object): Removed function.
1622 (__mf_check): Rewrite logic to support accesses across some
1623 contiguous but distinctly registered objects.
1624 (__mf_remove_old_object): Tolerate cache entries that span
1627 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1629 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1630 * Makefile.am, Makefile.in: Run new tests.
1631 * mf-hooks.c (alloca): Correct stack direction logic.
1633 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1635 * mf-impl.h (adapt_cache): New option.
1636 * mf-runtime.c (__mf_set_default_options): Set its default value.
1637 Tweak the tree_aging parameter down.
1638 (__mf_check): Maintain separate counter for cache-adaptation.
1639 (__mf_tree_analyze): New function to collect object tree stats.
1640 (__mf_adapt_cache): New function to automate cache parameters.
1642 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1644 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1645 hypothetical #if-0'd argv/envp region registration.
1646 * mf-runtime.c (__mf_init): Add kludged form of above.
1647 (*) Add "heur_argv_environ" flag, default on, to govern this.
1648 * mf-impl.h: Corresponding changes.
1650 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1652 * test/fail18-frag.c: New test file for NOACCESS regions.
1653 * Makefile.am (TESTS): Add new test.
1654 * Makefile.in: Regenerated.
1656 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1657 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1658 (optimize_object_tree): Remove unused mudflap_option.
1659 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1660 support throughout. Use .._MAX_CEM for cemetary upper bound.
1661 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1663 (__mf_object): Add new liveness field for use by tree aging.
1664 (__mf_check): Trigger tree aging when needed.
1665 (__mf_age_tree): New function to decay liveness field.
1666 (__mf_find_objects_rec): Use liveness field to rotate tree.
1667 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1668 (__mf_unregister): Ditto.
1669 (__mf_register): Tweak duplicate-static message.
1670 (__mf_violation: Tweak nearby-object counter printing.
1672 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1674 * test/pass20-frag.c: New test file.
1675 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1676 * Makefile.in: Regenerated.
1678 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1679 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1680 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1681 entries to avoid repeat registration.
1682 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1683 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1685 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1687 * Makefile.am: Create test sources with #include, not cat>>.
1688 * Makefile.in: Regenerated.
1689 * test/buildtest.sh: Removed.
1690 * test/driver.c (abort_handler, main): Be quiet.
1692 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1694 * test/pass18-frag.c, pass19-frag.c: New tests.
1695 * Makefile.am (check): Run them. Rebuild test programs each time.
1696 * Makefile.in: Regenerated.
1698 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1700 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1701 overlapping object search.
1702 (__mf_violation): Likewise for nearby objects.
1703 Improve nearby-object listing.
1706 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1707 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1709 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1712 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1713 (HOOKOBJS): Add alloca-hook.o.
1714 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1716 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1717 (__mf_backtrace): Reimplement without using alloca.
1718 * Makefile.in: Regenerated.
1721 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1722 Correct signedness bugs in length-tracking variables.
1723 * mf-impl.h: Make options unsigned.
1724 (CALL_WRAP): New macro to parallel CALL_REAL().
1725 (DECLARE): Remove erroneous ";" at end.
1726 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1727 formatting specs with %08lx. Correct several compiler warnings.
1729 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1731 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1733 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1735 libmudflap hook breakup:
1736 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1738 (TESTS): Make dependent on libmudflap.
1739 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1740 compiled from segments of mf-hooks.c.
1741 * mf-hooks.c: Corresponding changes: wrap each function in
1743 * Makefile.in: Regenerated.
1745 Heuristics reorganization:
1746 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1747 Remove these functions. Update callers.
1748 (__mf_heuristic_check): Incorporate all the various heuristics.
1749 Encode cacheability/retry judgement into trinary return value.
1750 Separate start-end logic into a separate fallback heuristic. Only
1751 register relevant /proc/self/map segments.
1752 * mf-impl.h: Corresponding changes.
1753 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1754 (__mf_init): Don't call __mf_init_heuristics.
1757 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1758 "-verbose-trace" to emit all tracing messages other than those of
1759 basic public api. Eliminate some duplicate/excessive messages.
1760 * mf-runtime.h: Corresponding changes.
1762 2002-08-27 Graydon Hoare <graydon@redhat.com>
1764 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1765 and __real when compiled with -DPIC.
1766 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1767 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1768 * Makefile.in: Regenerate.
1770 2002-08-26 Graydon Hoare <graydon@redhat.com>
1772 * mf-impl.h: New file, private implementation header.
1773 * mf-runtime.h: Reorganize a bit.
1774 (CLAMPSZ): Fix arithmetic.
1775 (__MF_CACHE_MISS_P): Fix arithmetic.
1776 * mf-runtime.c: Reorganize a bit.
1777 (__mf_dynamic): New structure.
1778 (resolve_single_dynamic): New function.
1779 (__mf_resolve_dynamics): New function.
1780 (__mf_init): Initialize dynamic wrappers.
1781 * mf-hooks.c: Macro-ize __real calls.
1782 Clamp various bits of arithmetic.
1783 Add explicit __mf_check call contexts.
1784 * Makefile.am: Add dependencies on mf-impl.h
1785 * Makefile.in: Regenerate.
1786 * configure.in: Comment out shared override.
1787 * configure: Regenerate.
1789 2002-08-22 Graydon Hoare <graydon@redhat.com>
1791 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1792 (__mf_check): Re-inialize and check heuristics before violation.
1793 (__mf_register): Permit updating pure-guess regions.
1794 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1795 (__wrap_dlopen): New wrapper function.
1796 (__wrap_mmap): New wrapper function.
1797 (__wrap_munmap): New wrapper function.
1798 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1799 which are not stack addresses.
1800 (is_stack_address): New function.
1801 (__mf_init_heuristics): Save and restore state, always initialize with
1804 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1806 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1807 error. Pass location string.
1808 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1809 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1810 (__mf_process_opts): Apply some sanity checking for lc-mask.
1811 (__mf_check, __mf_violation): Take new location-string argument.
1812 Update callers to pass NULL if necessary.
1813 (__mf_backtrace): New smart backtracer function. Calls replace
1814 several ad-hoc blocks elsewhere.
1815 (__mf_describe_object): Remove bad reentrancy test. Improve
1817 * mf-runtime.h: Corresponding changes. Public/private markup.
1818 (__MF_CACHE_MISS_P): New macro.
1820 2002-08-20 Graydon Hoare <graydon@redhat.com>
1822 * mf-runtime.h: New option: stack_bound (heuristic).
1823 Move some macros out of implementation files.
1824 * mf-runtime.c: New option string: -stack-bound.
1825 Unify recursion protection with hooks.
1827 (__mf_check): Call __mf_heuristic_check.
1828 (__mf_process_opts): Fix "no-" processing.
1829 * mf-heuristics.c (__mf_heuristic_check): New function.
1830 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1832 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1834 Option parsing improvements, region splitting bug fixes:
1835 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1836 * mf-runtime.h (heur_proc_map): New libmudflap option.
1837 * mf-runtime.c (__mf_set_default_options): Set it.
1838 (__mf_usage): Print default values/status.
1839 (__mf_process_opts): Support general "no-" option string prefix.
1840 (__mf_init): Print __mf_usage on unknown-option error.
1841 (__mf_register): Print trace message up front.
1842 Correct region splitting logic for case where a subregion disappears.
1843 Correct memory leak.
1844 (__mf_violation): Make even basic message conditional on option.
1847 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1848 (clean-local): New target.
1849 (test/*x rules): Add -g CFLAGS.
1850 (CFLAGS): Add -freorder-blocks.
1851 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1852 * Makefile.in: Regenerated.
1853 * Makefile, mf-config.h: Removed files.
1855 2002-08-16 Graydon Hoare <graydon@redhat.com>
1857 * mf-runtime.c (__mf_insert_new_object): Factor out of
1859 (__mf_remove_old_object): Factor out of __mf_unregister.
1860 (__mf_register): Handle guessed regions, splitting
1861 guesses when new registrations arrive.
1862 (__mf_unregister): Do not unregister guesses.
1863 * mf-runtime.h: Move convenience macros around,
1864 declare new option fields. Add __MF_TYPE_GUESS.
1865 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1866 (__wrap_free): Call __real_free for deferred frees.
1867 * Makefile.am: Add more tests, fix dependency.
1868 * Makefile.in: Regenerate.
1869 * test/pass[13..17]-frag.c: New testcases.
1870 * test/fail[13..17]-frag.c: New testcases.
1872 2002-08-15 Graydon Hoare <graydon@redhat.com>
1874 * mf-heuristics.c: New file.
1875 * mf-runtime.c (options): Add -trace-calls option.
1876 (__mf_init): Call __mf_init_heuristics.
1878 2002-08-14 Graydon Hoare <graydon@redhat.com>
1880 * Makefile.am (TESTS): Add testsuite support.
1881 * Makefile.in: Regenerate.
1882 * test/mf-driver.c: New file.
1883 * test/buildtest.sh: New file.
1884 * test/passNN-frag.c: New testcases.
1885 * test/failNN-frag.c: New testcases.
1887 2002-08-14 Graydon Hoare <graydon@redhat.com>
1889 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1890 verifying non-size-limited string extents.
1892 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1894 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1895 instead of plain str[n]len for internal checks.
1896 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1898 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1900 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1902 2002-08-13 Graydon Hoare <graydon@redhat.com>
1904 * mf-runtime.c: Rework configuration to operate on
1905 environment variable options rather than #defines
1906 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1907 (__mf_init): Set static __mf_active_p flag on startup,
1908 to inhibit mudflap wrap-based checking during crt0.s.
1909 * mf-runtime.h: Declare options structure.
1910 * mf-hooks.c: New wrappings for mem*, b*, str*
1911 libc functions (temporarily #if 0-ed out).
1913 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1915 * Makefile.am, configure.in: New files.
1916 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1917 * stamp-h.in, aclocal.m4: Ditto.
1919 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1921 * Makefile: New file.
1922 * mf-config.h: New file: runtime configuration.
1923 * mf-hooks.c: New file: interposed libc functions.
1924 * mf-runtime.c: New file: bulk of runtime.
1925 * mf-runtime.h: New file: public functions.