1 2009-09-01 Loren J. Rittle <ljrittle@acm.org>
3 * mf-runtime.c (__mf_init): Support FreeBSD.
4 Prime mutex which calls calloc upon first lock to avoid deadlock.
5 * mf-hooks1.c (__mf_0fn_mmap): Support FreeBSD.
6 Ignore red zone allocation request for initial thread's stack.
8 2009-09-01 Loren J. Rittle <ljrittle@acm.org>
9 Andreas Schwab <schwab@linux-m68k.org>
11 * testsuite/libmudflap.c/pass51-frag.c (MAP_FAILED): Define,
12 if not in system header; use it. On FreeBSD, must pass fd==-1
13 with MAP_ANON flag. Correct mmap error check.
14 * testsuite/libmudflap.c/fail40-frag.c: Ditto.
16 2009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
18 * configure.ac (AC_PREREQ): Bump to 2.64.
20 2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
22 * Makefile.am (install-html, install-pdf): Remove.
23 * Makefile.in: Regenerate.
25 * Makefile.in: Regenerate.
26 * aclocal.m4: Regenerate.
27 * config.h.in: Regenerate.
28 * configure: Regenerate.
29 * testsuite/Makefile.in: Regenerate.
31 2009-07-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
33 * configure.ac (_AC_ARG_VAR_PRECIOUS): Use m4_rename_force.
35 2009-07-16 Joseph Myers <joseph@codesourcery.com>
37 * configure: Regenerate.
39 2009-07-11 Richard Sandiford <rdsandiford@googlemail.com>
44 * testsuite/lib/libmudflap.exp: Revert 2009-06-30 commit.
46 2009-07-01 Richard Guenther <rguenther@suse.de>
48 PR tree-optimization/19831
49 * testsuite/libmudflap.c/fail11-frag.c: Make allocated memory
51 * testsuite/libmudflap.c/fail12-frag.c: Likewise.
52 * testsuite/libmudflap.c/fail16-frag.c: Likewise.
53 * testsuite/libmudflap.c/fail31-frag.c: Likewise.
55 2009-06-30 Richard Sandiford <r.sandiford@uk.ibm.com>
57 * testsuite/lib/libmudflap.exp (libmudflap-init): Don't add "."
58 to ld_library_path. Use add_path. Add just find_libgcc_s to
59 ld_library_path, not every libgcc multilib directory.
61 2009-04-09 Nick Clifton <nickc@redhat.com>
63 * mf-hooks1.c: Change copyright header to refer to version 3
64 of the GNU General Public License with version 3.1 of the GCC
65 Runtime Library Exception and to point readers at the COPYING3
66 and COPYING3.RUNTIME files and the FSF's license web page.
67 * mf-heuristics.c: Likewise.
68 * mf-hooks2.c: Likewise.
69 * mf-hooks3.c: Likewise.
70 * mf-impl.h: Likewise.
71 * mf-runtime.c: Likewise.
72 * mf-runtime.h: Likewise.
74 2009-04-09 Jakub Jelinek <jakub@redhat.com>
76 * testsuite/lib/mfdg.exp: Change copyright header to refer to
77 version 3 of the GNU General Public License and to point readers
78 at the COPYING3 file and the FSF's license web page.
79 * testsuite/lib/libmudflap.exp: Likewise.
81 2009-03-31 Ben Elliston <bje@au.ibm.com>
84 * testsuite/libmudflap.c/fail27-frag.c: Match `mudflap dead
85 object', not `mudflap object'.
87 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
89 * configure: Regenerate.
91 2009-02-03 Jakub Jelinek <jakub@redhat.com>
93 * mf-runtime.c (__mf_usage): Update copyright notice dates.
95 2009-01-23 Jie Zhang <jie.zhang@analog.com>
97 * mf-impl.h (__mf_get_state, __mf_set_state): Don't use
98 __thread when TLS support is emulated.
99 * mf-hooks3.c (__mf_get_state, __mf_set_state): Likewise.
100 * mf-runtime.c (__mf_state_1): Likewise.
101 * configure.ac: Use GCC_CHECK_EMUTLS.
102 * configure: Regenerate.
103 * config.h.in: Regenerate.
105 2008-12-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
107 * configure: Regenerate.
109 2008-11-26 Janis Johnson <janis187@us.ibm.com>
112 * testsuite/lib/mfdg.exp (dg-test): Use new timeout support.
113 (dg-timeout): Remove.
114 (standard-wait): Remove.
115 * testsuite/lib/libmudflap.exp: Include new timeout library files.
116 (libmudflap_target_compile): Set timeout value from new proc.
118 2008-11-10 Jakub Jelinek <jakub@redhat.com>
121 * testsuite/libmudflap.c/pass67-frag.c: New test.
123 2008-10-09 Jakub Jelinek <jakub@redhat.com>
126 * testsuite/libmudflap.c++/pass66-frag.cxx: New test.
128 2008-09-26 Peter O'Gorman <pogma@thewrittenword.com>
129 Steve Ellcey <sje@cup.hp.com>
131 * configure: Regenerate for new libtool.
132 * Makefile.in: Ditto.
133 * testsuite/Makefile.in: Ditto.
135 2008-09-15 Jakub Jelinek <jakub@redhat.com>
138 * testsuite/libmudflap.c/pass64-frag.c: New test.
140 2008-06-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
142 * Makefile.in: Regenerate.
143 * config.h.in: Regenerate.
144 * configure: Regenerate.
145 * testsuite/Makefile.in: Regenerate.
147 2008-04-18 Paolo Bonzini <bonzini@gnu.org>
150 * aclocal.m4: Regenerate.
151 * configure: Regenerate.
153 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
155 * testsuite/libmudflap.c/pass63-frag.c: New test.
157 2008-03-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
159 * aclocal.m4: Regenerate.
160 * configure: Likewise.
161 * Makefile.in: Likewise.
162 * testsuite/Makefile.in: Likewise.
164 2008-03-02 Jakub Jelinek <jakub@redhat.com>
166 * mf-runtime.c (__mf_usage): Update copyright notice dates.
168 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
170 * testsuite/libmudflap.c/fail8-frag.c: Adjust scan pattern for
172 * testsuite/libmudflap.c/fail9-frag.c: Ditto.
174 2008-01-24 David Edelsohn <edelsohn@gnu.org>
176 * configure: Regenerate.
178 2008-01-05 Jakub Jelinek <jakub@redhat.com>
180 PR tree-optimization/34618
181 * testsuite/libmudflap.c/pass62-frag.c: New test.
183 2008-01-03 Jakub Jelinek <jakub@redhat.com>
186 * testsuite/libmudflap.c++/pass61-frag.cxx: New test.
188 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
191 * testsuite/libmudflap.c++/pass60-frag.cxx: New test.
193 2007-10-15 Maciej W. Rozycki <macro@linux-mips.org>
195 * configure: Regenerate following changes to ../config/tls.m4.
197 2007-07-26 Tom Tromey <tromey@redhat.com>
199 * Makefile.in: Rebuilt.
200 * Makefile.am (clean-local): Removed.
201 (pth/mf-runtime.lo, pth/mf-heuristics.lo, pth/mf-hooks1.lo,
202 pth/mf-hooks2.lo, pth/mf-hooks3.lo): Likewise.
203 (libmudflapth_la_SOURCES): List sources.
204 (libmudflapth_la_LIBADD): Clear.
205 (libmudflapth_la_CFLAGS): New variable.
207 2007-07-05 H.J. Lu <hongjiu.lu@intel.com>
209 * aclocal.m4: Regenerated.
211 2007-06-02 Paolo Bonzini <bonzini@gnu.org>
213 * configure: Regenerate.
215 2007-05-31 Frank Ch. Eigler <fche@redhat.com>
217 From Andi Kleen <ak@suse.de>:
218 * mf-runtime.c (options): Rename structure for compatibility with
221 2007-05-23 Steve Ellcey <sje@cup.hp.com>
223 * Makefile.in: Regenerate.
224 * configure: Regenerate.
225 * aclocal.m4: Regenerate.
226 * testsuite/Makefile.in: Regenerate.
228 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
230 * testsuite/libmudflap.cth/pass59-frag.c (main): Fix casting of arg.
232 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
234 * Makefile.am: Add dummy install-pdf target.
235 * Makefile.in: Regenerate
237 2007-02-07 Jakub Jelinek <jakub@redhat.com>
240 * configure: Regenerate.
242 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
244 * configure: Regenerate.
246 2006-11-13 Daniel Jacobowitz <dan@codesourcery.com>
248 * configure: Regenerated.
250 2006-11-10 Frank Ch. Eigler <fche@redhat.com>
253 * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
254 static but not function scope static.
255 (free): Skip deallocation attempts for objects placed into
257 * testsuite/libmudflap.cth/pass59-frag.c: New test.
259 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
261 From Herman ten Brugge <hermantenbrugge@home.nl>:
262 * mf-runtime.c (__mf_uncache_object): Optimize the code so that
263 small and large objects are handled a lot faster.
265 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
267 * configure.ac (__libc_freeres): Look for it.
268 * mf-impl.h (call_libc_freeres): New configuration flag.
269 * mf-runtime.c (__mf_set_default_options): Set it by default.
270 (__mfu_report): Call it if needed.
271 (__mfu_unregister): Remove "unaccessed registered object" warning.
272 * configure, config.h.in: Regenerated.
274 2006-09-18 Tom Tromey <tromey@redhat.com>
276 * configure: Rebuilt.
278 2006-06-21 Frank Ch. Eigler <fche@redhat.com>
281 mf-runtime.h installation based on ssp patch for PR 26473 from
282 Mark Mitchell <mark@codesourcery.com>.
283 * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
284 * Makefile.am (target_noncanonical): Define.
285 (libsubincludedir): New variable.
286 (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
287 (include_HEADERS): Remove.
288 * configure, aclocal.m4, config.h.in: Regenerated.
289 * Makefile.in, testsuite/Makefile.in: Likewise.
290 * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
291 and _THREAD_SAFE redefinition values.
293 2006-05-23 Carlos O'Donell <carlos@codesourcery.com>
295 * Makefile.am: Add install-html target. Add install-html to .PHONY
296 * Makefile.in: Regenerate.
298 2006-04-19 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
301 * testsuite/libmudflap.c++/error1-frag.cxx: New test.
304 * testsuite/libmudflap.c++/error2-frag.cxx: New test.
306 2006-04-10 Matthias Klose <doko@debian.org>
308 * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
309 directory names containing underscores.
311 2005-11-22 Janis Johnson <janis187@us.ibm.com>
313 * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
314 MUDFLAP_FLAGS if static library not supported.
315 * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
316 * testsuite/libmudflap.c/externs.exp: Ditto.
317 * testsuite/libmudflap.c++/ctors.exp: Ditto.
318 * testsuite/libmudflap.c++/c++frags.exp: Ditto.
319 * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
321 2005-10-04 James E Wilson <wilson@specifix.com>
323 * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
324 $name as array of characters with unknown bound. Also store into the
326 * configure: Regenerate.
328 2005-09-30 James E. Wilson <wilson@specifix.com>
330 * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
332 (target_thread_file): New. Set from sed'ed gcc output.
333 (posix_threads): New. Set from target_thread_file. Use instead of
335 (pthread_create_version): Move initialization before code using it.
336 * configure: Regenerate.
338 * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
341 2005-09-29 James E. Wilson <wilson@specifix.com>
343 * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
344 with HAVE_MMAP ifdef.
346 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
349 * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
351 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
353 * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
355 2005-09-23 Tom Tromey <tromey@redhat.com>
357 * aclocal.m4, configure: Rebuilt.
358 * configure.ac: Use GCC_CHECK_TLS.
359 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
362 2005-08-22 Jim Wilson <wilson@specifix.com>
364 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
365 __FreeBSD__ is defined.
367 2005-08-17 Jim Wilson <wilson@specifix.com>
369 * mf-hooks1.c (malloc, calloc, realloc, free,
370 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
371 the real routines, and END_MALLOC_PROTECT afterwards.
372 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
373 (BEGIN_PROTECT): Handle in_malloc state.
374 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
375 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
377 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
379 * All files: Update FSF address.
381 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
383 * mf-hooks3.c (main_seen_p): Remove.
384 (__mf_get_state): Remove attempt to recognize the main thread.
386 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
388 * configure.ac: Test for the name of the symbol used for the entry
389 point; define ENTRY_POINT to the result.
390 * configure: Regenerate.
391 * config.h.in: Regenerate.
392 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
394 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
396 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
397 (__mf_init): Set thread state active.
398 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
400 (pthread_create wrapper): Always use thread spawner.
402 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
403 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
405 2005-07-16 Richard Henderson <rth@redhat.com>
407 * acinclude.m4: New file.
408 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
409 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
410 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
411 (__mf_0fn_calloc): ... here.
412 * mf-hooks3.c (struct pthread_info): Remove.
413 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
414 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
415 (struct mf_thread_data): New.
416 (mf_thread_data, mf_thread_data_lock): New.
417 (__mf_allocate_blank_threadinfo): Remove.
418 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
420 (__mf_state_perthread): Remove.
421 (__mf_get_state, __mf_set_state): New.
422 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
423 Update mf_thread_data killing procedure.
424 (__mf_pthread_spawner): Similarly.
425 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
426 code to allocate thread stack space.
427 (__mf_0fn_pthread_join, pthread_join): Remove.
428 (__mf_0fn_pthread_exit, pthread_exit): Remove.
429 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
430 (__mf_state_1): Rename from __mf_state; use TLS when available.
431 (__mf_get_state, __mf_set_state): New. Update all users.
432 * mf-runtime.c (begin_recursion_protect1): New.
433 (BEGIN_RECURSION_PROTECT): Use it.
434 (__mf_state_1): Rename from __mf_state; use TLS when available.
435 (threads_active_p): Remove.
436 (__mf_usage): Compute it directly.
438 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
440 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
442 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
444 Fix for uncaching bug reported by Herman ten Brugge.
445 * mf-runtime.c (__mf_uncache_object): Search whole cache.
446 * testsuite/libmudflap.c/fail40-frag.c: New test.
448 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
451 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
452 * Makefile.in: Amend.
454 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
457 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
458 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
460 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
463 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
465 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
468 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
469 unsigned vars with #defines instead of enums.
471 2005-05-09 Mike Stump <mrs@apple.com>
473 * configure: Regenerate.
475 2005-04-12 Mike Stump <mrs@apple.com>
477 * configure: Regenerate.
479 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
482 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
483 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
485 2005-04-04 Alan Modra <amodra@bigpond.net.au>
487 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
489 2005-03-31 Mike Stump <mrs@apple.com>
491 * mf-runtime.h: Add libmudflap copyright clause.
493 2005-03-21 Mike Stump <mrs@apple.com>
495 * mf-heuristics.c: Fix whitespace at end of line.
496 * mf-hooks1.c: Likewise.
497 * mf-hooks2.c: Likewise.
498 * mf-hooks3.c: Likewise.
499 * mf-impl.h: Likewise.
500 * mf-runtime.c: Likewise.
501 * mf-runtime.h: Likewise.
503 2005-03-21 Zack Weinberg <zack@codesourcery.com>
505 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
506 In all substitutions, expand gcc_version in Makefile.
507 * aclocal.m4, configure: Regenerate.
508 * Makefile.am: Set gcc_version.
509 * Makefile.in, testsuite/Makefile.in: Regenerate.
511 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
513 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
514 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
516 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
519 * testsuite/libmudflap.c++/pass55-frag.c: New test.
521 2005-01-05 Richard Henderson <rth@redhat.com>
523 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
525 2005-01-02 Greg McGary <greg@mcgary.org>
527 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
528 * mf-runtime.h: New file, replaces mf-runtime.h.in.
529 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
530 * Makefile.in: Ditto.
531 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
532 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
533 * testsuite/libmudflap.c/fail36-frag.c: New test.
534 * testsuite/libmudflap.c/fail37-frag.c: New test.
535 * testsuite/libmudflap.c/fail38-frag.c: New test.
537 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
539 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
540 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
542 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
544 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
545 * aclocal.m4: Include ../config/gcc-version.m4.
546 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
548 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
550 * Makefile.am: Define ACLOCAL_AMFLAGS.
551 * acinclude.m4: Remove.
552 * stamp-h.in: Remove superfluous stamp file.
553 * aclocal.m4, configure, Makefile.in: Regenerate.
554 * testsuite/Makefile.in: Likewise.
556 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
558 * Makefile.am: Revert previous.
559 * acinclude.m4: Restore.
560 * aclocal.m4, configure, Makefile.in: Regenerate.
561 * testsuite/Makefile.in: Likewise.
563 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
565 * Makefile.am: Define ACLOCAL_AMFLAGS.
566 * acinclude.m4: Remove.
567 * aclocal.m4, configure, Makefile.in: Regenerate.
568 * testsuite/Makefile.in: Likewise.
570 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
572 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
574 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
576 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
577 * testsuite/Makefile.in: Likewise.
579 2004-11-01 Andreas Schwab <schwab@suse.de>
581 * configure.ac: (target_alias): Default to $host_alias, not
583 * configure: Regenerated.
585 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
587 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
588 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
591 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
594 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
596 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
598 * configure.ac: Check for more headers, functions.
599 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
600 tracking overridden FILE buffers.
601 (fopen, setvbuf): New/revised hook functions for buffer overriding.
602 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
603 (fflush): Accept given NULL stream (means "all streams").
605 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
607 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
608 (__mf_adapt_cache): Use them all.
609 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
610 * testsuite/libmudflap.c++/ctors.exp: Ditto.
611 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
612 * configure, config.h.in: Regenerated.
614 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
616 * configure.ac: Checking for sys/socket.h once is enough.
617 * configure: Regenerated.
619 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
621 * configure.ac: Look for more headers & functions.
622 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
623 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
624 * mf-runtime.c (options): Clean up integer signedness warnings.
625 (main): Add a declaration to fix a warning.
626 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
627 * configure, config.h.in: Regenerated.
629 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
631 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
632 New tests for proper base/limit checking for aggregates.
634 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
636 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
638 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
640 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
641 * mf-hooks2.c (strerror): Unregister previous string returned by
643 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
644 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
645 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
646 * mf-runtime.c (__mf_describe_object): Clarify object life status.
647 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
649 * configure, config.h.in: Regenerated.
651 2004-08-03 Dale Johannesen <dalej@apple.com>
653 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
655 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
657 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
658 simplified contents in all former callers.
660 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
662 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
663 the statically linked case.
665 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
667 * splay-tree.[ch]: Remove. Merge contents into ...
668 * mf-runtime.c: ... here, renaming symbols and making all functions
669 static. Remove unused min/max functions.
670 * Makefile.am: Forget about splay-tree.[ch].
671 * Makefile.in, testsuite/Makefile.in: Regenerated.
673 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
675 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
676 (__mfu_usage): Include (C) 2004.
677 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
678 here. Include a comment explaining why.
680 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
682 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
683 * mf-runtime.c (options): Give them a name.
684 (__mf_set_default_options): Set them.
685 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
686 (__mf_violation): Warning cleanup.
687 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
688 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
690 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
693 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
696 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
698 Test case for g++/15861
699 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
700 * testsuite/libmudflap.c++/ctors.exp: Driver.
701 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
702 Look only for *frag* test cases.
704 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
706 ANSI C conversion, libmudflap specialization, recursion limiting.
707 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
708 argument and indirection function pointers, update callers.
709 (splay_tree_s): Add statistics and recursion control fields
710 num_keys, max_depth, depth, rebalance_p.
711 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
712 Back out of search if it exceeds limit.
713 (splay_tree_splay): Manage recursion limiting with rebalancing as
715 (splay_tree_new): More initialization.
716 (splay_tree_rebalance): New function.
717 (splay_tree_foreach): Rewrite using nonrecursive logic.
718 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
719 Remove. Point indirect calls to mf-runtime.c's routines.
720 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
722 (splay_tree_delete, splay_tree_delete_helper): Ditto.
723 * testsuite/heap-scalestress.c: New test based on one from
724 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
726 2004-07-05 Matthias Klose <doko@debian.org>
728 * libtool-version: New.
729 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
730 Use -version-info for soname.
731 * Makefile.in: Regenerate.
732 * configure.ac: Remove libtool_VERSION macro
733 * configure: Regenerate
735 2004-07-05 Zack Weinberg <zack@codesourcery.com>
737 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
738 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
741 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
743 Splay tree implementation fork.
744 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
745 Use hard-coded comparison function for uintptr_t. Remove key/value
746 deallocation logic. Cache last splayed key for consecutive lookups.
747 * Makefile.am, Makefile.in: Use them, don't link to them.
748 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
749 (__mf_find_objects2): Flip successor/predecessor search sequence.
750 * ansidecl.h, libiberty.h: Removed dummy files.
752 2004-06-29 Nick Clifton <nickc@redhat.com>
754 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
755 * configure: Regenerate.
756 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
758 Remove spurious inclusion of <strings.h>.
760 2004-06-29 Nick Clifton <nickc@redhat.com>
762 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
763 function actually exists.
765 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
767 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
768 * config.h.in: Regenerated.
770 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
772 Adopt splay trees for object database.
773 * Makefile.am: Copy splay-tree.* from libiberty.
774 * Makefile.in, testsuite/Makefile.in: Regenerated.
775 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
776 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
777 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
778 * mf-runtime.c: Rewrite code dealing with object database to use
779 libiberty splay trees. Remove tree liveness aging option.
780 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
782 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
784 * configure.ac: New name of configure.in. Update
785 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
786 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
787 Autoconf 2.5x and Automake 1.7 or later.
788 * configure.in: Remove.
789 * configure: Regenerate.
791 * Makefile.am: Remove useless multilib rules.
792 * Makefile.in: Regenerate.
794 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
796 * .cvsignore: New file.
798 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
801 * mf-hooks2.c (semctl): Add cygwin porting hack.
803 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
806 * configure.in: Look for ctype header and glibc implementation.
807 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
808 array hooks for glibc 2.3.
809 * mf-runtime.h.in: Wrap them.
810 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
812 * testsuite/libmudflap.c/pass47-frag.c: New test.
813 * configure, config.h.in: Regenerated.
815 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
817 Portability improvements, e.g., libmudflap/15293.
818 * configure.in: Look for glibc extension functions. Look for
819 support of -f{function,data}-sections. Look for more headers.
820 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
821 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
822 mf-hooks* into usual single object per source.
823 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
824 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
825 if system doesn't provide one.
826 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
827 (pthread_create): Use it to properly GC dead thread stacks.
828 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
829 * testsuite/Makefile.am: Stop generating site.exp.
830 * testsuite/mfconfig.exp.in: New file.
831 * testsuite/config/default.exp: Load new mfconfig.exp.
832 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
833 (prune_gcc_output): Add glibc static linking warnings.
834 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
835 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
836 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
837 Regenerated with autoconf 2.57 and automake 1.7.
839 2004-06-04 Per Bothner <per@bothner.com>
841 * configure.in (LIBMUDFLAPTH): Fix thinko.
843 * configure.in: Check for more headers.
844 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
846 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
847 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
849 2004-06-01 Andreas Jaeger <aj@suse.de>
851 * configure.in: Handle multilibs, support
852 --enable-version-specific-runtime-libs.
853 * Makefile.am (lib_LTLIBRARIES): Rename to ...
854 (toolexeclib_LTLIBRARIES): this for multilib support.
855 * Makefile.in: Regenerated.
856 * configure: Regenerated.
857 * aclocal.m4: Regenerated.
858 * config.h.in: Regenerated.
859 * testsuite/Makefile.in: Regenerated.
861 2004-06-01 Andreas Jaeger <aj@suse.de>
863 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
864 multilibs, using multilib directory instead of hardcoded path.
867 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
869 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
870 * Makefile.in: Ditto.
872 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
874 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
875 * aclocal.m4, configure: Rebuilt.
877 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
879 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
880 import some build settings from libstdc++-v3 testsuite_flags.
881 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
882 changes to pass test language.
884 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
885 quicker mode-nop handling.
887 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
889 * mf-impl.h: Added libgcc license header.
891 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
893 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
894 Added libgcc license header.
895 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
896 (pthread_create): Simplify stack allocation syntax.
898 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
900 * mf-hooks2.c: Support FreeBSD.
901 (WRAP_gets): Avoid gets().
902 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
903 test unimplemented mem/str calls on FreeBSD.
904 * testsuite/libmudflap.c/pass21-frag.c: Do not include
905 <alloca.h> on FreeBSD.
907 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
909 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
910 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
911 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
912 flags for static linking permutation.
913 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
914 some pthreads code that croaks on linux glibc tls.
916 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
918 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
920 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
922 * testsuite/libmudflap.c/pass44-frag.c: New test.
924 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
926 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
928 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
930 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
932 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
934 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
936 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
939 * configure.in: Add check for see if
940 socklen_t typedef is in sys/socket.h.
941 * mf-hooks1.c: Add define if socklen_t
943 * mf-hooks2.c: Likewise.
944 * mf-hooks3.c: Likewise.
945 * config.h.in: Regen.
948 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
950 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
951 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
953 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
954 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
955 (unoptimized) allocation of stack space.
957 2003-12-07 Richard Henderson <rth@redhat.com>
959 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
960 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
962 2003-12-06 Andrew Pinski <apinski@apple.com>
964 partial PR libmudflap/12670
965 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
966 * mf-hooks2.c: Likewise.
967 * mf-hooks3.c: Likewise.
969 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
972 * mf-runtime.h.in: Switch to #pragma redefine_extname for
973 symbols interposed at compile time.
974 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
977 * mf-hooks2.c (semctl): Tolerate FreeBSD.
979 * configure.in: Reorganize check for <pthread.h>.
980 * configure: Regenerated.
982 2003-11-04 David Edelsohn <edelsohn@gnu.org>
984 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
985 (_LARGE_FILE_API): Define for AIX.
986 * mf-hooks[123]: Same.
987 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
989 2003-10-21 David Edelsohn <edelsohn@gnu.org>
991 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
993 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
995 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
997 * configure.in: Update check for union semun.
999 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1002 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
1004 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
1007 * configure.in: Add checks for 64-bit LFS functions, struct semun
1008 definition, for BSD compatibility.
1009 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
1010 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
1011 * mf-hooks3.c: Ditto.
1012 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
1014 * configure, config.h.in: Regenerated.
1016 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
1018 Multithreading fixes:
1019 * mf-runtime.c (__mf_object): Store allocating/deallocating
1021 (options): Support new "-thread-stack" option.
1022 Rename "-heur-argv-environ" option to "-heur-stdlib".
1023 Disable "-lc-mask" and "-lc-shift" options.
1024 (__mf_dynamic): Add function pointers for pthread_join/_exit.
1025 (__assert_fail): New self-contained function for glibc.
1026 * mf-hooks3.c: Essentially rewritten, particularly related to
1027 use of __mf_pthread_info array.
1028 (pthread_join, _exit): New hook functions.
1029 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
1030 * testsuite/libmudflap.cth/pass40-frag.c: New test.
1033 * mf-heuristics.c: Add type casts for tracing, sub calls.
1034 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
1035 Update all callers to declare explicit result holder.
1036 (END_PROTECT): Removed.
1037 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
1039 2003-07-15 Diego Novillo <dnovillo@redhat.com>
1041 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
1042 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1043 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1045 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
1047 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
1048 * mf-hooks: Removed.
1049 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
1050 Move these macros from old mf-hooks.c here.
1051 * Makefile.am: Adapt to split-up hook sources for faster builds.
1052 * Makefile.in: Regenerated.
1054 * mf-heuristics.c: Remove #if-0 block.
1056 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
1057 (__mf_starting_p): New state only for use while dlsym bootstrapping.
1058 (CALL_REAL, __mf_init): Corresponding changes.
1059 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
1060 all callers to remove redundant "mf:" prefix.
1061 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
1062 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
1063 (__mf_pthread_info): Become a hash table.
1065 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
1066 "dg-repetitions" directives to control test case execution.
1067 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
1069 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
1071 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
1073 * mf-hooks.c (alloca): Separate into stub.
1074 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
1075 malloc/free for alloca blocks.
1076 (pthread_create): Tolerate failing pthread_attr_get* calls.
1077 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
1078 * mf-impl.h (CALL_WRAP): Remove macro.
1079 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
1080 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
1081 padding for ia64 BIT_FIELD_REF constructs.
1083 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
1085 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
1086 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
1087 libmudflap object type.
1088 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
1089 crashes on unregistering STATIC objects.
1091 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
1093 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
1094 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
1095 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
1096 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
1097 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
1098 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
1099 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
1100 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
1101 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
1102 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
1103 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
1104 (accept, bind, connect, gethostname, sethostname): New hooks.
1105 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
1106 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
1107 (semop, semctl, shmctl, shmat, shmdt): New hooks.
1108 * mf-runtime.h.in: Corresponding changes.
1109 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
1110 (opts) Rename heur_argv_environ to heur_std_data.
1111 (__mf_wrap_main): Use STATIC type for argv/environ strings.
1112 * Makefile.am: Corresponding changes.
1113 * Makefile.in: Regenerated.
1115 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
1117 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
1118 heuristic for threaded case, and for non-x86-linux targets.
1119 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
1120 for use during pre-main() program startup.
1121 (__mf_0fn_*): Make these functions non-static.
1122 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
1124 * mf-runtime.c (__mf_state): Set initial state to "starting".
1125 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
1126 (__wrap_main): New function to register argv[] and environ[] strings.
1127 (__mf_ini): Call it.
1128 (*): In all trace functions, use "%p" as formatter for uintptr_t.
1130 * testsuite/libmudflap.c/pass38-frag.c: New test case.
1131 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
1133 * acinclude.m4: Add comments with aoliva's concerns about x86_64
1135 * aclocal.m4, configure: Regenerated.
1137 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
1139 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
1140 * aclocal.m4, configure: Regenerated.
1142 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
1144 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
1145 for x86_64 target. Disable caching for this value.
1146 * aclocal.m4, configure: Regenerated.
1148 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
1150 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
1151 is about to become deprecated, and its present handling bugs are
1154 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
1156 * testsuite/libmudflap.c/pass38-frag.c: New test for
1159 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1161 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
1162 __mf_report, asserting reentrant calling context.
1164 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1166 * mf-hooks.c (realloc): Correct reentrancy logic.
1167 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
1169 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
1171 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
1172 PTHREAD_THREADS_MAX. Update users.
1173 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
1175 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
1176 with libmudflapth presence indicator.
1177 * testsuite/Makefile.in: Regenerated.
1179 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
1181 * Makefile.am (AM_CFLAGS): Remove "-ansi".
1182 * configure.in: Remove silly no-pthreads => no-shared logic.
1183 * Makefile.in, configure: Regenerated.
1184 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
1185 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
1186 code. Count reentrancy events.
1187 (all hook functions): Don't directly manipulate __mf_state variable.
1188 Add TRACE calls to hook functions without them.
1189 * mf-impl.h (LOCKTH): Try to count lock contention events.
1190 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
1191 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
1192 Reorganize reentrancy code.
1193 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
1194 identify reentrancy with mutex holding times.
1195 (internal __mfu_ entry points): Remove internal reentrancy code.
1196 (__mf_init): Use ordinary locked calls.
1197 (__mfu_report): Print the two new counts.
1198 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
1199 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
1200 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
1201 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
1204 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
1206 * configure.in: Add pthread support, plus glibc and porting hacks.
1207 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
1208 from objects built into ./pth/.
1209 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
1210 functions for internal entry points. Update callers to pick
1211 locked vs. unlocked variants.
1212 (__mf_resolve_single_dynamic): Extend to support symbol versioning
1213 info coming in from a static data structure.
1214 (*): Reorder miscellaneous declarations to group data vs functions.
1215 (__mf_set_default_options): Simplify.
1216 (__mf_usage): Mention threading status of host executable.
1217 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
1218 decls to match above.
1219 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
1220 * mf-heuristics.c: Choose between locked/unlocked calls. Add
1221 some lock/unlock markers. Remove some unused code.
1223 (pthread_create): New hook function.
1224 (__mf_pthread_cleanup, _spawner): New helper functions.
1225 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
1227 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
1229 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
1231 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
1233 * Makefile.am (HOOKOBJS): Add *time related hooks.
1234 * configure.in: Look for pthreads.h header.
1235 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
1236 * mf-runtime.c: Begin sketching some pthreads support.
1237 (__mf_usage): Check for -lpthread presence.
1238 (__mf_unregister): Confirm matching unregistration base.
1239 (__mf_find_objects_rec): Reduce unnecessary recursion.
1240 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
1241 #defines for new hook functions.
1242 * mf-impl.h: Corresponding changes.
1243 * config.h.in, configure, Makefile.in: Regenerated.
1245 2002-04-27 Diego Novillo <dnovillo@redhat.com>
1247 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
1248 modifiers to prevent being optimized away.
1249 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
1250 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1251 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
1252 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1253 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
1254 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
1255 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
1257 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1259 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1260 * configure.in: Look for uintptr_t and -ldl on target.
1261 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1262 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1263 * testsuite/Makefile.in: Regenerated.
1264 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1265 for better C compliance.
1267 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1269 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1271 * mf-runtime.c (__mf_set_default_options): Turn off
1272 check-initialization.
1273 (__mf_describe_object): Shorten description.
1274 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1276 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
1278 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1280 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
1282 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1284 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1285 * mf-impl.h (CALL_BACKUP): New macros.
1286 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1288 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
1290 * Makefile.am (AM_CFLAGS): Remove optimization flags.
1291 (HOOKOBJS): Remove dlopen hook.
1292 (libmudflap_la_LIBADD): Add -ldl.
1293 * mf-hooks.c (dlopen): Remove hook.
1294 * mf-impl.h (__mf_dynamic): Ditto.
1295 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1296 * Makefile.in: Regenerated.
1298 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
1300 * configure.in: Check for target gettimeofday, signal, some headers.
1301 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
1302 out inop multi_threaded field.
1303 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1304 (__mf_set_options): Correct handling of "-help".
1305 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1306 (__mf_check, __mf_register, __mf_unregister): Call it.
1307 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1308 (__mf_report_leaks): Make callable
1309 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
1310 distribution statistics.
1311 (__mf_adapt_cache): Rewrite shift guessing logic based on address
1313 * config.h.in, configure: Regenerated.
1314 * testsuite/libmudflap.c/fail27-frag.c: New test.
1315 * testsuite/libmudflap.c/pass36-frag.c: New test.
1317 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
1319 * mf-runtime.h.in: Tweak.
1320 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1321 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1322 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1324 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1326 * configure.in: Tweak generation of mf-runtime.h some more. It
1327 needs to work from both config.status and configure.
1328 * configure: Regenerated.
1330 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1332 * Makefile.am: Reorganize hook file building. Add auto dependencies.
1333 * configure.in: Tweak generation of mf-runtime.h.
1334 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1335 * mf-hooks.c (*): Adapt to initialized-heap object type.
1336 * mf-impl.h: Tweak cemetary boundaries.
1337 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1339 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1340 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1341 * testsuite/lib/libmudflap.exp (includes): Include build tree.
1342 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1344 * testsuite/.../fail{25,26}-frag.c: New tests.
1345 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1346 * Makefile.in, configure: Regenerated.
1348 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1350 * mf-runtime.c (__mf_set_default_options): Turn on initialization
1351 checking by default.
1352 (__mf_insert_new_object): As a temporary hack, assume that new
1353 objects registered on the stack start out initialized.
1354 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1355 heap objects by hand.
1357 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1359 Switch to macro-style hooks for str*/mem*/b* functions.
1360 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1361 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1362 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1363 (__mf_set_default_options): Turn off heur_proc_map.
1364 (*): Adapt to to macro-style hook functions.
1365 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1366 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1367 (__mf_violation): Handle __MF_VIOL_WATCH.
1368 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1369 (__mf_dynamic): Removed mem*/str*/b* functions.
1370 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1371 (WRAPPER2): New macro for macro-style hooks.
1372 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1374 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1375 * mf-heuristics.c: Adapt to macro-style hook functions.
1376 Correct some comments.
1377 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1378 output pattern tests.
1379 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1380 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1382 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1384 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1385 for global array registration.
1386 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1387 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1389 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1391 * Makefile.am: Add gross make bug workarounds. Tweaked
1392 SUBDIRS and AM_CFLAGS.
1393 * Makefile.in: Regenerated.
1395 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1398 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1399 * Makefile.am (TESTS): Remove simple automake testing.
1400 * configure, Makefile.in: Regenerated.
1401 (SUBDIRS): Include new testsuite/ directory.
1402 * tests/*: Removed all files; moved bulk under:
1403 * testsuite/*: New subdirectory tree.
1404 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1405 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1406 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1407 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1408 * testsuite/config/default.exp: New file.
1409 * testsuite/Makefile.am, Makefile.in: New files.
1411 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1413 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1414 (TESTS): Add fail22 and pass29 tests.
1415 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1416 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1417 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1418 values. Move __MF_VIOL* here.
1419 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1420 (check_initialization): New field in __mf_opts. Default off.
1421 (read_count,write_count): New fields in __mf_object.
1422 (__mf_check): Implement basic initialization checking.
1423 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1424 (__mf_describe_object): Print new fields.
1425 (__mf_violation): Identify check/read vs. check/write in messages.
1426 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1427 "-check-initialized" mudflap option.
1428 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1429 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1430 Drop __FILE__/__LINE__ hack. Update callers.
1431 (*): Adapt to new mf-runtime.h API.
1432 * Makefile.in: regenerated.
1434 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1436 * configure.in: Build mf-runtime.h a more proper way.
1437 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1438 * mf-runtime.c (verbose_violations): Turn on by default.
1439 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1440 * mf-impl.h: ... and move it here.
1441 * configure: Regenerated.
1443 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1445 * configure.in: Look for C++ compiler.
1446 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1447 fixed type warnings when built with C++.
1448 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1449 * Makefile.am (TESTS): Run them.
1450 (*) Add new rules for building and running C++ tests.
1451 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1452 * mf-runtime.h.in: Protect with extern "C".
1453 * Makefile, configure: Regenerated.
1455 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1457 Portability improvements.
1458 * configure.in: Look for glibc backtrace headers/functions.
1459 * mf-hooks.c: Don't include <execinfo.h> any more.
1460 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1462 (__mf_backtrace): Provide alternate baby implementation in
1464 * test/mf-driver.c: Portability tweaks.
1465 * acinclude.m4: New file, containing top level libtool.m4.
1466 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1468 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1470 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1472 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1474 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1476 (__mf_unregister): Implement stack/heap object wiping.
1477 (__mf_set_options): Renamed from __mf_process_opts.
1478 (__mf_uncache_object): Change arg type, correct callers.
1479 * mf-impl.h: Corresponding changes.
1480 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1481 * mf-runtime.h.in (__mf_set_options): Extend public API.
1482 * test/pass26-frag.c: New test for stack wiping.
1483 * Makefile.am (TESTS): Run it.
1484 * Makefile.in: Regenerated.
1486 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1488 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1489 * mf-runtime.c (__mf_object_t): Add watching_p field.
1490 (__mf_watch_or_not): New function to implement
1491 object watch flagging.
1492 (__mf_watch, __mf_unwatch): New wrappers for above.
1493 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1494 (__mf_count_violation): Enlarge array.
1495 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1496 unlink object. Clear cache properly.
1497 (__mf_unregister): Unlink object explicitly before uncaching.
1498 * test/fail21-frag.c, pass25-frag.c: New tests.
1499 * Makefile.in, aclocal.m4: Regenerated.
1501 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1503 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1504 * Makefile.am (TESTS): Add it.
1505 * test/pass-stratcliff.c: Add decls of stpcpy.
1506 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1507 build tree from config.h and new file mf-runtime.h.in.
1508 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1509 * Makefile.in, configure, config.h.in: Regenerated.
1510 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1511 * mf-runtime.c (options, __mf_set_default_options): Support new
1512 default "abbreviate" option.
1513 (__mf_object.description_epoch): New field.
1514 (__mf_describe_object): Conditionally abbreviate objects already
1515 displayed in current epoch. Accept NULL input to increment epoch.
1516 (__mf_fini, __mf_ini): Reset description epoch.
1517 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1518 that NULL pointer slot in lookup cache is invalidated. Register a
1519 NOACCESS region around NULL.
1520 * mf-impl.h: Corresponding changes.
1522 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1524 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1525 * Makefile.am: Run them. Install mf-runtime.h.
1526 * Makefile.in: Regenerated.
1527 * mf-hooks.c: Add some markers for more missing functions.
1528 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1529 statistic to tune tune cache size (mask).
1531 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1533 * test/pass23-frag.c: New test for bit_field_ref expressions.
1534 * Makefile.am, Makefile.in: Add new test.
1535 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1536 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1537 * mf-runtime.c (__mf_init): Register errno global.
1538 (__mf_find_object): Removed function.
1539 (__mf_check): Rewrite logic to support accesses across some
1540 contiguous but distinctly registered objects.
1541 (__mf_remove_old_object): Tolerate cache entries that span
1544 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1546 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1547 * Makefile.am, Makefile.in: Run new tests.
1548 * mf-hooks.c (alloca): Correct stack direction logic.
1550 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1552 * mf-impl.h (adapt_cache): New option.
1553 * mf-runtime.c (__mf_set_default_options): Set its default value.
1554 Tweak the tree_aging parameter down.
1555 (__mf_check): Maintain separate counter for cache-adaptation.
1556 (__mf_tree_analyze): New function to collect object tree stats.
1557 (__mf_adapt_cache): New function to automate cache parameters.
1559 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1561 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1562 hypothetical #if-0'd argv/envp region registration.
1563 * mf-runtime.c (__mf_init): Add kludged form of above.
1564 (*) Add "heur_argv_environ" flag, default on, to govern this.
1565 * mf-impl.h: Corresponding changes.
1567 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1569 * test/fail18-frag.c: New test file for NOACCESS regions.
1570 * Makefile.am (TESTS): Add new test.
1571 * Makefile.in: Regenerated.
1573 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1574 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1575 (optimize_object_tree): Remove unused mudflap_option.
1576 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1577 support throughout. Use .._MAX_CEM for cemetary upper bound.
1578 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1580 (__mf_object): Add new liveness field for use by tree aging.
1581 (__mf_check): Trigger tree aging when needed.
1582 (__mf_age_tree): New function to decay liveness field.
1583 (__mf_find_objects_rec): Use liveness field to rotate tree.
1584 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1585 (__mf_unregister): Ditto.
1586 (__mf_register): Tweak duplicate-static message.
1587 (__mf_violation: Tweak nearby-object counter printing.
1589 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1591 * test/pass20-frag.c: New test file.
1592 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1593 * Makefile.in: Regenerated.
1595 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1596 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1597 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1598 entries to avoid repeat registration.
1599 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1600 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1602 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1604 * Makefile.am: Create test sources with #include, not cat>>.
1605 * Makefile.in: Regenerated.
1606 * test/buildtest.sh: Removed.
1607 * test/driver.c (abort_handler, main): Be quiet.
1609 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1611 * test/pass18-frag.c, pass19-frag.c: New tests.
1612 * Makefile.am (check): Run them. Rebuild test programs each time.
1613 * Makefile.in: Regenerated.
1615 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1617 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1618 overlapping object search.
1619 (__mf_violation): Likewise for nearby objects.
1620 Improve nearby-object listing.
1623 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1624 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1626 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1629 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1630 (HOOKOBJS): Add alloca-hook.o.
1631 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1633 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1634 (__mf_backtrace): Reimplement without using alloca.
1635 * Makefile.in: Regenerated.
1638 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1639 Correct signedness bugs in length-tracking variables.
1640 * mf-impl.h: Make options unsigned.
1641 (CALL_WRAP): New macro to parallel CALL_REAL().
1642 (DECLARE): Remove erroneous ";" at end.
1643 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1644 formatting specs with %08lx. Correct several compiler warnings.
1646 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1648 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1650 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1652 libmudflap hook breakup:
1653 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1655 (TESTS): Make dependent on libmudflap.
1656 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1657 compiled from segments of mf-hooks.c.
1658 * mf-hooks.c: Corresponding changes: wrap each function in
1660 * Makefile.in: Regenerated.
1662 Heuristics reorganization:
1663 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1664 Remove these functions. Update callers.
1665 (__mf_heuristic_check): Incorporate all the various heuristics.
1666 Encode cacheability/retry judgement into trinary return value.
1667 Separate start-end logic into a separate fallback heuristic. Only
1668 register relevant /proc/self/map segments.
1669 * mf-impl.h: Corresponding changes.
1670 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1671 (__mf_init): Don't call __mf_init_heuristics.
1674 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1675 "-verbose-trace" to emit all tracing messages other than those of
1676 basic public api. Eliminate some duplicate/excessive messages.
1677 * mf-runtime.h: Corresponding changes.
1679 2002-08-27 Graydon Hoare <graydon@redhat.com>
1681 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1682 and __real when compiled with -DPIC.
1683 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1684 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1685 * Makefile.in: Regenerate.
1687 2002-08-26 Graydon Hoare <graydon@redhat.com>
1689 * mf-impl.h: New file, private implementation header.
1690 * mf-runtime.h: Reorganize a bit.
1691 (CLAMPSZ): Fix arithmetic.
1692 (__MF_CACHE_MISS_P): Fix arithmetic.
1693 * mf-runtime.c: Reorganize a bit.
1694 (__mf_dynamic): New structure.
1695 (resolve_single_dynamic): New function.
1696 (__mf_resolve_dynamics): New function.
1697 (__mf_init): Initialize dynamic wrappers.
1698 * mf-hooks.c: Macro-ize __real calls.
1699 Clamp various bits of arithmetic.
1700 Add explicit __mf_check call contexts.
1701 * Makefile.am: Add dependencies on mf-impl.h
1702 * Makefile.in: Regenerate.
1703 * configure.in: Comment out shared override.
1704 * configure: Regenerate.
1706 2002-08-22 Graydon Hoare <graydon@redhat.com>
1708 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1709 (__mf_check): Re-inialize and check heuristics before violation.
1710 (__mf_register): Permit updating pure-guess regions.
1711 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1712 (__wrap_dlopen): New wrapper function.
1713 (__wrap_mmap): New wrapper function.
1714 (__wrap_munmap): New wrapper function.
1715 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1716 which are not stack addresses.
1717 (is_stack_address): New function.
1718 (__mf_init_heuristics): Save and restore state, always initialize with
1721 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1723 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1724 error. Pass location string.
1725 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1726 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1727 (__mf_process_opts): Apply some sanity checking for lc-mask.
1728 (__mf_check, __mf_violation): Take new location-string argument.
1729 Update callers to pass NULL if necessary.
1730 (__mf_backtrace): New smart backtracer function. Calls replace
1731 several ad-hoc blocks elsewhere.
1732 (__mf_describe_object): Remove bad reentrancy test. Improve
1734 * mf-runtime.h: Corresponding changes. Public/private markup.
1735 (__MF_CACHE_MISS_P): New macro.
1737 2002-08-20 Graydon Hoare <graydon@redhat.com>
1739 * mf-runtime.h: New option: stack_bound (heuristic).
1740 Move some macros out of implementation files.
1741 * mf-runtime.c: New option string: -stack-bound.
1742 Unify recursion protection with hooks.
1744 (__mf_check): Call __mf_heuristic_check.
1745 (__mf_process_opts): Fix "no-" processing.
1746 * mf-heuristics.c (__mf_heuristic_check): New function.
1747 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1749 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1751 Option parsing improvements, region splitting bug fixes:
1752 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1753 * mf-runtime.h (heur_proc_map): New libmudflap option.
1754 * mf-runtime.c (__mf_set_default_options): Set it.
1755 (__mf_usage): Print default values/status.
1756 (__mf_process_opts): Support general "no-" option string prefix.
1757 (__mf_init): Print __mf_usage on unknown-option error.
1758 (__mf_register): Print trace message up front.
1759 Correct region splitting logic for case where a subregion disappears.
1760 Correct memory leak.
1761 (__mf_violation): Make even basic message conditional on option.
1764 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1765 (clean-local): New target.
1766 (test/*x rules): Add -g CFLAGS.
1767 (CFLAGS): Add -freorder-blocks.
1768 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1769 * Makefile.in: Regenerated.
1770 * Makefile, mf-config.h: Removed files.
1772 2002-08-16 Graydon Hoare <graydon@redhat.com>
1774 * mf-runtime.c (__mf_insert_new_object): Factor out of
1776 (__mf_remove_old_object): Factor out of __mf_unregister.
1777 (__mf_register): Handle guessed regions, splitting
1778 guesses when new registrations arrive.
1779 (__mf_unregister): Do not unregister guesses.
1780 * mf-runtime.h: Move convenience macros around,
1781 declare new option fields. Add __MF_TYPE_GUESS.
1782 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1783 (__wrap_free): Call __real_free for deferred frees.
1784 * Makefile.am: Add more tests, fix dependency.
1785 * Makefile.in: Regenerate.
1786 * test/pass[13..17]-frag.c: New testcases.
1787 * test/fail[13..17]-frag.c: New testcases.
1789 2002-08-15 Graydon Hoare <graydon@redhat.com>
1791 * mf-heuristics.c: New file.
1792 * mf-runtime.c (options): Add -trace-calls option.
1793 (__mf_init): Call __mf_init_heuristics.
1795 2002-08-14 Graydon Hoare <graydon@redhat.com>
1797 * Makefile.am (TESTS): Add testsuite support.
1798 * Makefile.in: Regenerate.
1799 * test/mf-driver.c: New file.
1800 * test/buildtest.sh: New file.
1801 * test/passNN-frag.c: New testcases.
1802 * test/failNN-frag.c: New testcases.
1804 2002-08-14 Graydon Hoare <graydon@redhat.com>
1806 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1807 verifying non-size-limited string extents.
1809 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1811 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1812 instead of plain str[n]len for internal checks.
1813 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1815 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1817 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1819 2002-08-13 Graydon Hoare <graydon@redhat.com>
1821 * mf-runtime.c: Rework configuration to operate on
1822 environment variable options rather than #defines
1823 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1824 (__mf_init): Set static __mf_active_p flag on startup,
1825 to inhibit mudflap wrap-based checking during crt0.s.
1826 * mf-runtime.h: Declare options structure.
1827 * mf-hooks.c: New wrappings for mem*, b*, str*
1828 libc functions (temporarily #if 0-ed out).
1830 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1832 * Makefile.am, configure.in: New files.
1833 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1834 * stamp-h.in, aclocal.m4: Ditto.
1836 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1838 * Makefile: New file.
1839 * mf-config.h: New file: runtime configuration.
1840 * mf-hooks.c: New file: interposed libc functions.
1841 * mf-runtime.c: New file: bulk of runtime.
1842 * mf-runtime.h: New file: public functions.