1 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3 * Makefile.in: Regenerate.
4 * aclocal.m4: Regenerate.
5 * testsuite/Makefile.in: Regenerate.
7 2010-03-15 David S. Miller <davem@davemloft.net>
9 * testsuite/libmudflap.c/pass54-frag.c: Add explicit return from
12 2010-01-09 Jakub Jelinek <jakub@redhat.com>
14 * mf-runtime.c (__mf_usage): Update copyright notice dates.
16 2009-12-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
18 * Makefile.in: Regenerate.
19 * configure: Regenerate.
20 * testsuite/Makefile.in: Regenerate.
22 2009-09-22 Frank Ch. Eigler <fche@redhat.com>
25 * mf-runtime.c (__mf_init): Ignore $MUDFLAP_OPTIONS if
26 running setuid or setgid.
28 2009-09-01 Loren J. Rittle <ljrittle@acm.org>
30 * mf-runtime.c (__mf_init): Support FreeBSD.
31 Prime mutex which calls calloc upon first lock to avoid deadlock.
32 * mf-hooks1.c (__mf_0fn_mmap): Support FreeBSD.
33 Ignore red zone allocation request for initial thread's stack.
35 2009-09-01 Loren J. Rittle <ljrittle@acm.org>
36 Andreas Schwab <schwab@linux-m68k.org>
38 * testsuite/libmudflap.c/pass51-frag.c (MAP_FAILED): Define,
39 if not in system header; use it. On FreeBSD, must pass fd==-1
40 with MAP_ANON flag. Correct mmap error check.
41 * testsuite/libmudflap.c/fail40-frag.c: Ditto.
43 2009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
45 * configure.ac (AC_PREREQ): Bump to 2.64.
47 2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
49 * Makefile.am (install-html, install-pdf): Remove.
50 * Makefile.in: Regenerate.
52 * Makefile.in: Regenerate.
53 * aclocal.m4: Regenerate.
54 * config.h.in: Regenerate.
55 * configure: Regenerate.
56 * testsuite/Makefile.in: Regenerate.
58 2009-07-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
60 * configure.ac (_AC_ARG_VAR_PRECIOUS): Use m4_rename_force.
62 2009-07-16 Joseph Myers <joseph@codesourcery.com>
64 * configure: Regenerate.
66 2009-07-11 Richard Sandiford <rdsandiford@googlemail.com>
71 * testsuite/lib/libmudflap.exp: Revert 2009-06-30 commit.
73 2009-07-01 Richard Guenther <rguenther@suse.de>
75 PR tree-optimization/19831
76 * testsuite/libmudflap.c/fail11-frag.c: Make allocated memory
78 * testsuite/libmudflap.c/fail12-frag.c: Likewise.
79 * testsuite/libmudflap.c/fail16-frag.c: Likewise.
80 * testsuite/libmudflap.c/fail31-frag.c: Likewise.
82 2009-06-30 Richard Sandiford <r.sandiford@uk.ibm.com>
84 * testsuite/lib/libmudflap.exp (libmudflap-init): Don't add "."
85 to ld_library_path. Use add_path. Add just find_libgcc_s to
86 ld_library_path, not every libgcc multilib directory.
88 2009-04-09 Nick Clifton <nickc@redhat.com>
90 * mf-hooks1.c: Change copyright header to refer to version 3
91 of the GNU General Public License with version 3.1 of the GCC
92 Runtime Library Exception and to point readers at the COPYING3
93 and COPYING3.RUNTIME files and the FSF's license web page.
94 * mf-heuristics.c: Likewise.
95 * mf-hooks2.c: Likewise.
96 * mf-hooks3.c: Likewise.
97 * mf-impl.h: Likewise.
98 * mf-runtime.c: Likewise.
99 * mf-runtime.h: Likewise.
101 2009-04-09 Jakub Jelinek <jakub@redhat.com>
103 * testsuite/lib/mfdg.exp: Change copyright header to refer to
104 version 3 of the GNU General Public License and to point readers
105 at the COPYING3 file and the FSF's license web page.
106 * testsuite/lib/libmudflap.exp: Likewise.
108 2009-03-31 Ben Elliston <bje@au.ibm.com>
111 * testsuite/libmudflap.c/fail27-frag.c: Match `mudflap dead
112 object', not `mudflap object'.
114 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
116 * configure: Regenerate.
118 2009-02-03 Jakub Jelinek <jakub@redhat.com>
120 * mf-runtime.c (__mf_usage): Update copyright notice dates.
122 2009-01-23 Jie Zhang <jie.zhang@analog.com>
124 * mf-impl.h (__mf_get_state, __mf_set_state): Don't use
125 __thread when TLS support is emulated.
126 * mf-hooks3.c (__mf_get_state, __mf_set_state): Likewise.
127 * mf-runtime.c (__mf_state_1): Likewise.
128 * configure.ac: Use GCC_CHECK_EMUTLS.
129 * configure: Regenerate.
130 * config.h.in: Regenerate.
132 2008-12-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
134 * configure: Regenerate.
136 2008-11-26 Janis Johnson <janis187@us.ibm.com>
139 * testsuite/lib/mfdg.exp (dg-test): Use new timeout support.
140 (dg-timeout): Remove.
141 (standard-wait): Remove.
142 * testsuite/lib/libmudflap.exp: Include new timeout library files.
143 (libmudflap_target_compile): Set timeout value from new proc.
145 2008-11-10 Jakub Jelinek <jakub@redhat.com>
148 * testsuite/libmudflap.c/pass67-frag.c: New test.
150 2008-10-09 Jakub Jelinek <jakub@redhat.com>
153 * testsuite/libmudflap.c++/pass66-frag.cxx: New test.
155 2008-09-26 Peter O'Gorman <pogma@thewrittenword.com>
156 Steve Ellcey <sje@cup.hp.com>
158 * configure: Regenerate for new libtool.
159 * Makefile.in: Ditto.
160 * testsuite/Makefile.in: Ditto.
162 2008-09-15 Jakub Jelinek <jakub@redhat.com>
165 * testsuite/libmudflap.c/pass64-frag.c: New test.
167 2008-06-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
169 * Makefile.in: Regenerate.
170 * config.h.in: Regenerate.
171 * configure: Regenerate.
172 * testsuite/Makefile.in: Regenerate.
174 2008-04-18 Paolo Bonzini <bonzini@gnu.org>
177 * aclocal.m4: Regenerate.
178 * configure: Regenerate.
180 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
182 * testsuite/libmudflap.c/pass63-frag.c: New test.
184 2008-03-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
186 * aclocal.m4: Regenerate.
187 * configure: Likewise.
188 * Makefile.in: Likewise.
189 * testsuite/Makefile.in: Likewise.
191 2008-03-02 Jakub Jelinek <jakub@redhat.com>
193 * mf-runtime.c (__mf_usage): Update copyright notice dates.
195 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
197 * testsuite/libmudflap.c/fail8-frag.c: Adjust scan pattern for
199 * testsuite/libmudflap.c/fail9-frag.c: Ditto.
201 2008-01-24 David Edelsohn <edelsohn@gnu.org>
203 * configure: Regenerate.
205 2008-01-05 Jakub Jelinek <jakub@redhat.com>
207 PR tree-optimization/34618
208 * testsuite/libmudflap.c/pass62-frag.c: New test.
210 2008-01-03 Jakub Jelinek <jakub@redhat.com>
213 * testsuite/libmudflap.c++/pass61-frag.cxx: New test.
215 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
218 * testsuite/libmudflap.c++/pass60-frag.cxx: New test.
220 2007-10-15 Maciej W. Rozycki <macro@linux-mips.org>
222 * configure: Regenerate following changes to ../config/tls.m4.
224 2007-07-26 Tom Tromey <tromey@redhat.com>
226 * Makefile.in: Rebuilt.
227 * Makefile.am (clean-local): Removed.
228 (pth/mf-runtime.lo, pth/mf-heuristics.lo, pth/mf-hooks1.lo,
229 pth/mf-hooks2.lo, pth/mf-hooks3.lo): Likewise.
230 (libmudflapth_la_SOURCES): List sources.
231 (libmudflapth_la_LIBADD): Clear.
232 (libmudflapth_la_CFLAGS): New variable.
234 2007-07-05 H.J. Lu <hongjiu.lu@intel.com>
236 * aclocal.m4: Regenerated.
238 2007-06-02 Paolo Bonzini <bonzini@gnu.org>
240 * configure: Regenerate.
242 2007-05-31 Frank Ch. Eigler <fche@redhat.com>
244 From Andi Kleen <ak@suse.de>:
245 * mf-runtime.c (options): Rename structure for compatibility with
248 2007-05-23 Steve Ellcey <sje@cup.hp.com>
250 * Makefile.in: Regenerate.
251 * configure: Regenerate.
252 * aclocal.m4: Regenerate.
253 * testsuite/Makefile.in: Regenerate.
255 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
257 * testsuite/libmudflap.cth/pass59-frag.c (main): Fix casting of arg.
259 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
261 * Makefile.am: Add dummy install-pdf target.
262 * Makefile.in: Regenerate
264 2007-02-07 Jakub Jelinek <jakub@redhat.com>
267 * configure: Regenerate.
269 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
271 * configure: Regenerate.
273 2006-11-13 Daniel Jacobowitz <dan@codesourcery.com>
275 * configure: Regenerated.
277 2006-11-10 Frank Ch. Eigler <fche@redhat.com>
280 * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
281 static but not function scope static.
282 (free): Skip deallocation attempts for objects placed into
284 * testsuite/libmudflap.cth/pass59-frag.c: New test.
286 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
288 From Herman ten Brugge <hermantenbrugge@home.nl>:
289 * mf-runtime.c (__mf_uncache_object): Optimize the code so that
290 small and large objects are handled a lot faster.
292 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
294 * configure.ac (__libc_freeres): Look for it.
295 * mf-impl.h (call_libc_freeres): New configuration flag.
296 * mf-runtime.c (__mf_set_default_options): Set it by default.
297 (__mfu_report): Call it if needed.
298 (__mfu_unregister): Remove "unaccessed registered object" warning.
299 * configure, config.h.in: Regenerated.
301 2006-09-18 Tom Tromey <tromey@redhat.com>
303 * configure: Rebuilt.
305 2006-06-21 Frank Ch. Eigler <fche@redhat.com>
308 mf-runtime.h installation based on ssp patch for PR 26473 from
309 Mark Mitchell <mark@codesourcery.com>.
310 * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
311 * Makefile.am (target_noncanonical): Define.
312 (libsubincludedir): New variable.
313 (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
314 (include_HEADERS): Remove.
315 * configure, aclocal.m4, config.h.in: Regenerated.
316 * Makefile.in, testsuite/Makefile.in: Likewise.
317 * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
318 and _THREAD_SAFE redefinition values.
320 2006-05-23 Carlos O'Donell <carlos@codesourcery.com>
322 * Makefile.am: Add install-html target. Add install-html to .PHONY
323 * Makefile.in: Regenerate.
325 2006-04-19 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
328 * testsuite/libmudflap.c++/error1-frag.cxx: New test.
331 * testsuite/libmudflap.c++/error2-frag.cxx: New test.
333 2006-04-10 Matthias Klose <doko@debian.org>
335 * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
336 directory names containing underscores.
338 2005-11-22 Janis Johnson <janis187@us.ibm.com>
340 * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
341 MUDFLAP_FLAGS if static library not supported.
342 * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
343 * testsuite/libmudflap.c/externs.exp: Ditto.
344 * testsuite/libmudflap.c++/ctors.exp: Ditto.
345 * testsuite/libmudflap.c++/c++frags.exp: Ditto.
346 * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
348 2005-10-04 James E Wilson <wilson@specifix.com>
350 * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
351 $name as array of characters with unknown bound. Also store into the
353 * configure: Regenerate.
355 2005-09-30 James E. Wilson <wilson@specifix.com>
357 * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
359 (target_thread_file): New. Set from sed'ed gcc output.
360 (posix_threads): New. Set from target_thread_file. Use instead of
362 (pthread_create_version): Move initialization before code using it.
363 * configure: Regenerate.
365 * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
368 2005-09-29 James E. Wilson <wilson@specifix.com>
370 * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
371 with HAVE_MMAP ifdef.
373 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
376 * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
378 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
380 * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
382 2005-09-23 Tom Tromey <tromey@redhat.com>
384 * aclocal.m4, configure: Rebuilt.
385 * configure.ac: Use GCC_CHECK_TLS.
386 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
389 2005-08-22 Jim Wilson <wilson@specifix.com>
391 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
392 __FreeBSD__ is defined.
394 2005-08-17 Jim Wilson <wilson@specifix.com>
396 * mf-hooks1.c (malloc, calloc, realloc, free,
397 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
398 the real routines, and END_MALLOC_PROTECT afterwards.
399 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
400 (BEGIN_PROTECT): Handle in_malloc state.
401 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
402 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
404 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
406 * All files: Update FSF address.
408 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
410 * mf-hooks3.c (main_seen_p): Remove.
411 (__mf_get_state): Remove attempt to recognize the main thread.
413 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
415 * configure.ac: Test for the name of the symbol used for the entry
416 point; define ENTRY_POINT to the result.
417 * configure: Regenerate.
418 * config.h.in: Regenerate.
419 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
421 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
423 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
424 (__mf_init): Set thread state active.
425 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
427 (pthread_create wrapper): Always use thread spawner.
429 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
430 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
432 2005-07-16 Richard Henderson <rth@redhat.com>
434 * acinclude.m4: New file.
435 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
436 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
437 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
438 (__mf_0fn_calloc): ... here.
439 * mf-hooks3.c (struct pthread_info): Remove.
440 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
441 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
442 (struct mf_thread_data): New.
443 (mf_thread_data, mf_thread_data_lock): New.
444 (__mf_allocate_blank_threadinfo): Remove.
445 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
447 (__mf_state_perthread): Remove.
448 (__mf_get_state, __mf_set_state): New.
449 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
450 Update mf_thread_data killing procedure.
451 (__mf_pthread_spawner): Similarly.
452 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
453 code to allocate thread stack space.
454 (__mf_0fn_pthread_join, pthread_join): Remove.
455 (__mf_0fn_pthread_exit, pthread_exit): Remove.
456 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
457 (__mf_state_1): Rename from __mf_state; use TLS when available.
458 (__mf_get_state, __mf_set_state): New. Update all users.
459 * mf-runtime.c (begin_recursion_protect1): New.
460 (BEGIN_RECURSION_PROTECT): Use it.
461 (__mf_state_1): Rename from __mf_state; use TLS when available.
462 (threads_active_p): Remove.
463 (__mf_usage): Compute it directly.
465 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
467 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
469 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
471 Fix for uncaching bug reported by Herman ten Brugge.
472 * mf-runtime.c (__mf_uncache_object): Search whole cache.
473 * testsuite/libmudflap.c/fail40-frag.c: New test.
475 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
478 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
479 * Makefile.in: Amend.
481 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
484 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
485 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
487 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
490 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
492 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
495 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
496 unsigned vars with #defines instead of enums.
498 2005-05-09 Mike Stump <mrs@apple.com>
500 * configure: Regenerate.
502 2005-04-12 Mike Stump <mrs@apple.com>
504 * configure: Regenerate.
506 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
509 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
510 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
512 2005-04-04 Alan Modra <amodra@bigpond.net.au>
514 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
516 2005-03-31 Mike Stump <mrs@apple.com>
518 * mf-runtime.h: Add libmudflap copyright clause.
520 2005-03-21 Mike Stump <mrs@apple.com>
522 * mf-heuristics.c: Fix whitespace at end of line.
523 * mf-hooks1.c: Likewise.
524 * mf-hooks2.c: Likewise.
525 * mf-hooks3.c: Likewise.
526 * mf-impl.h: Likewise.
527 * mf-runtime.c: Likewise.
528 * mf-runtime.h: Likewise.
530 2005-03-21 Zack Weinberg <zack@codesourcery.com>
532 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
533 In all substitutions, expand gcc_version in Makefile.
534 * aclocal.m4, configure: Regenerate.
535 * Makefile.am: Set gcc_version.
536 * Makefile.in, testsuite/Makefile.in: Regenerate.
538 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
540 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
541 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
543 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
546 * testsuite/libmudflap.c++/pass55-frag.c: New test.
548 2005-01-05 Richard Henderson <rth@redhat.com>
550 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
552 2005-01-02 Greg McGary <greg@mcgary.org>
554 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
555 * mf-runtime.h: New file, replaces mf-runtime.h.in.
556 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
557 * Makefile.in: Ditto.
558 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
559 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
560 * testsuite/libmudflap.c/fail36-frag.c: New test.
561 * testsuite/libmudflap.c/fail37-frag.c: New test.
562 * testsuite/libmudflap.c/fail38-frag.c: New test.
564 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
566 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
567 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
569 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
571 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
572 * aclocal.m4: Include ../config/gcc-version.m4.
573 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
575 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
577 * Makefile.am: Define ACLOCAL_AMFLAGS.
578 * acinclude.m4: Remove.
579 * stamp-h.in: Remove superfluous stamp file.
580 * aclocal.m4, configure, Makefile.in: Regenerate.
581 * testsuite/Makefile.in: Likewise.
583 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
585 * Makefile.am: Revert previous.
586 * acinclude.m4: Restore.
587 * aclocal.m4, configure, Makefile.in: Regenerate.
588 * testsuite/Makefile.in: Likewise.
590 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
592 * Makefile.am: Define ACLOCAL_AMFLAGS.
593 * acinclude.m4: Remove.
594 * aclocal.m4, configure, Makefile.in: Regenerate.
595 * testsuite/Makefile.in: Likewise.
597 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
599 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
601 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
603 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
604 * testsuite/Makefile.in: Likewise.
606 2004-11-01 Andreas Schwab <schwab@suse.de>
608 * configure.ac: (target_alias): Default to $host_alias, not
610 * configure: Regenerated.
612 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
614 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
615 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
618 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
621 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
623 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
625 * configure.ac: Check for more headers, functions.
626 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
627 tracking overridden FILE buffers.
628 (fopen, setvbuf): New/revised hook functions for buffer overriding.
629 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
630 (fflush): Accept given NULL stream (means "all streams").
632 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
634 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
635 (__mf_adapt_cache): Use them all.
636 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
637 * testsuite/libmudflap.c++/ctors.exp: Ditto.
638 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
639 * configure, config.h.in: Regenerated.
641 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
643 * configure.ac: Checking for sys/socket.h once is enough.
644 * configure: Regenerated.
646 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
648 * configure.ac: Look for more headers & functions.
649 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
650 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
651 * mf-runtime.c (options): Clean up integer signedness warnings.
652 (main): Add a declaration to fix a warning.
653 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
654 * configure, config.h.in: Regenerated.
656 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
658 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
659 New tests for proper base/limit checking for aggregates.
661 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
663 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
665 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
667 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
668 * mf-hooks2.c (strerror): Unregister previous string returned by
670 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
671 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
672 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
673 * mf-runtime.c (__mf_describe_object): Clarify object life status.
674 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
676 * configure, config.h.in: Regenerated.
678 2004-08-03 Dale Johannesen <dalej@apple.com>
680 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
682 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
684 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
685 simplified contents in all former callers.
687 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
689 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
690 the statically linked case.
692 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
694 * splay-tree.[ch]: Remove. Merge contents into ...
695 * mf-runtime.c: ... here, renaming symbols and making all functions
696 static. Remove unused min/max functions.
697 * Makefile.am: Forget about splay-tree.[ch].
698 * Makefile.in, testsuite/Makefile.in: Regenerated.
700 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
702 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
703 (__mfu_usage): Include (C) 2004.
704 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
705 here. Include a comment explaining why.
707 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
709 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
710 * mf-runtime.c (options): Give them a name.
711 (__mf_set_default_options): Set them.
712 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
713 (__mf_violation): Warning cleanup.
714 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
715 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
717 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
720 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
723 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
725 Test case for g++/15861
726 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
727 * testsuite/libmudflap.c++/ctors.exp: Driver.
728 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
729 Look only for *frag* test cases.
731 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
733 ANSI C conversion, libmudflap specialization, recursion limiting.
734 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
735 argument and indirection function pointers, update callers.
736 (splay_tree_s): Add statistics and recursion control fields
737 num_keys, max_depth, depth, rebalance_p.
738 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
739 Back out of search if it exceeds limit.
740 (splay_tree_splay): Manage recursion limiting with rebalancing as
742 (splay_tree_new): More initialization.
743 (splay_tree_rebalance): New function.
744 (splay_tree_foreach): Rewrite using nonrecursive logic.
745 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
746 Remove. Point indirect calls to mf-runtime.c's routines.
747 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
749 (splay_tree_delete, splay_tree_delete_helper): Ditto.
750 * testsuite/heap-scalestress.c: New test based on one from
751 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
753 2004-07-05 Matthias Klose <doko@debian.org>
755 * libtool-version: New.
756 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
757 Use -version-info for soname.
758 * Makefile.in: Regenerate.
759 * configure.ac: Remove libtool_VERSION macro
760 * configure: Regenerate
762 2004-07-05 Zack Weinberg <zack@codesourcery.com>
764 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
765 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
768 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
770 Splay tree implementation fork.
771 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
772 Use hard-coded comparison function for uintptr_t. Remove key/value
773 deallocation logic. Cache last splayed key for consecutive lookups.
774 * Makefile.am, Makefile.in: Use them, don't link to them.
775 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
776 (__mf_find_objects2): Flip successor/predecessor search sequence.
777 * ansidecl.h, libiberty.h: Removed dummy files.
779 2004-06-29 Nick Clifton <nickc@redhat.com>
781 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
782 * configure: Regenerate.
783 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
785 Remove spurious inclusion of <strings.h>.
787 2004-06-29 Nick Clifton <nickc@redhat.com>
789 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
790 function actually exists.
792 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
794 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
795 * config.h.in: Regenerated.
797 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
799 Adopt splay trees for object database.
800 * Makefile.am: Copy splay-tree.* from libiberty.
801 * Makefile.in, testsuite/Makefile.in: Regenerated.
802 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
803 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
804 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
805 * mf-runtime.c: Rewrite code dealing with object database to use
806 libiberty splay trees. Remove tree liveness aging option.
807 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
809 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
811 * configure.ac: New name of configure.in. Update
812 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
813 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
814 Autoconf 2.5x and Automake 1.7 or later.
815 * configure.in: Remove.
816 * configure: Regenerate.
818 * Makefile.am: Remove useless multilib rules.
819 * Makefile.in: Regenerate.
821 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
823 * .cvsignore: New file.
825 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
828 * mf-hooks2.c (semctl): Add cygwin porting hack.
830 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
833 * configure.in: Look for ctype header and glibc implementation.
834 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
835 array hooks for glibc 2.3.
836 * mf-runtime.h.in: Wrap them.
837 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
839 * testsuite/libmudflap.c/pass47-frag.c: New test.
840 * configure, config.h.in: Regenerated.
842 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
844 Portability improvements, e.g., libmudflap/15293.
845 * configure.in: Look for glibc extension functions. Look for
846 support of -f{function,data}-sections. Look for more headers.
847 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
848 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
849 mf-hooks* into usual single object per source.
850 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
851 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
852 if system doesn't provide one.
853 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
854 (pthread_create): Use it to properly GC dead thread stacks.
855 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
856 * testsuite/Makefile.am: Stop generating site.exp.
857 * testsuite/mfconfig.exp.in: New file.
858 * testsuite/config/default.exp: Load new mfconfig.exp.
859 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
860 (prune_gcc_output): Add glibc static linking warnings.
861 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
862 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
863 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
864 Regenerated with autoconf 2.57 and automake 1.7.
866 2004-06-04 Per Bothner <per@bothner.com>
868 * configure.in (LIBMUDFLAPTH): Fix thinko.
870 * configure.in: Check for more headers.
871 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
873 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
874 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
876 2004-06-01 Andreas Jaeger <aj@suse.de>
878 * configure.in: Handle multilibs, support
879 --enable-version-specific-runtime-libs.
880 * Makefile.am (lib_LTLIBRARIES): Rename to ...
881 (toolexeclib_LTLIBRARIES): this for multilib support.
882 * Makefile.in: Regenerated.
883 * configure: Regenerated.
884 * aclocal.m4: Regenerated.
885 * config.h.in: Regenerated.
886 * testsuite/Makefile.in: Regenerated.
888 2004-06-01 Andreas Jaeger <aj@suse.de>
890 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
891 multilibs, using multilib directory instead of hardcoded path.
894 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
896 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
897 * Makefile.in: Ditto.
899 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
901 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
902 * aclocal.m4, configure: Rebuilt.
904 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
906 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
907 import some build settings from libstdc++-v3 testsuite_flags.
908 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
909 changes to pass test language.
911 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
912 quicker mode-nop handling.
914 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
916 * mf-impl.h: Added libgcc license header.
918 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
920 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
921 Added libgcc license header.
922 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
923 (pthread_create): Simplify stack allocation syntax.
925 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
927 * mf-hooks2.c: Support FreeBSD.
928 (WRAP_gets): Avoid gets().
929 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
930 test unimplemented mem/str calls on FreeBSD.
931 * testsuite/libmudflap.c/pass21-frag.c: Do not include
932 <alloca.h> on FreeBSD.
934 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
936 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
937 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
938 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
939 flags for static linking permutation.
940 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
941 some pthreads code that croaks on linux glibc tls.
943 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
945 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
947 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
949 * testsuite/libmudflap.c/pass44-frag.c: New test.
951 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
953 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
955 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
957 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
959 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
961 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
963 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
966 * configure.in: Add check for see if
967 socklen_t typedef is in sys/socket.h.
968 * mf-hooks1.c: Add define if socklen_t
970 * mf-hooks2.c: Likewise.
971 * mf-hooks3.c: Likewise.
972 * config.h.in: Regen.
975 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
977 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
978 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
980 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
981 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
982 (unoptimized) allocation of stack space.
984 2003-12-07 Richard Henderson <rth@redhat.com>
986 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
987 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
989 2003-12-06 Andrew Pinski <apinski@apple.com>
991 partial PR libmudflap/12670
992 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
993 * mf-hooks2.c: Likewise.
994 * mf-hooks3.c: Likewise.
996 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
999 * mf-runtime.h.in: Switch to #pragma redefine_extname for
1000 symbols interposed at compile time.
1001 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
1004 * mf-hooks2.c (semctl): Tolerate FreeBSD.
1006 * configure.in: Reorganize check for <pthread.h>.
1007 * configure: Regenerated.
1009 2003-11-04 David Edelsohn <edelsohn@gnu.org>
1011 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
1012 (_LARGE_FILE_API): Define for AIX.
1013 * mf-hooks[123]: Same.
1014 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
1016 2003-10-21 David Edelsohn <edelsohn@gnu.org>
1018 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
1020 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
1022 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1024 * configure.in: Update check for union semun.
1026 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1029 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
1031 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
1034 * configure.in: Add checks for 64-bit LFS functions, struct semun
1035 definition, for BSD compatibility.
1036 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
1037 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
1038 * mf-hooks3.c: Ditto.
1039 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
1041 * configure, config.h.in: Regenerated.
1043 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
1045 Multithreading fixes:
1046 * mf-runtime.c (__mf_object): Store allocating/deallocating
1048 (options): Support new "-thread-stack" option.
1049 Rename "-heur-argv-environ" option to "-heur-stdlib".
1050 Disable "-lc-mask" and "-lc-shift" options.
1051 (__mf_dynamic): Add function pointers for pthread_join/_exit.
1052 (__assert_fail): New self-contained function for glibc.
1053 * mf-hooks3.c: Essentially rewritten, particularly related to
1054 use of __mf_pthread_info array.
1055 (pthread_join, _exit): New hook functions.
1056 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
1057 * testsuite/libmudflap.cth/pass40-frag.c: New test.
1060 * mf-heuristics.c: Add type casts for tracing, sub calls.
1061 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
1062 Update all callers to declare explicit result holder.
1063 (END_PROTECT): Removed.
1064 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
1066 2003-07-15 Diego Novillo <dnovillo@redhat.com>
1068 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
1069 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1070 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1072 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
1074 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
1075 * mf-hooks: Removed.
1076 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
1077 Move these macros from old mf-hooks.c here.
1078 * Makefile.am: Adapt to split-up hook sources for faster builds.
1079 * Makefile.in: Regenerated.
1081 * mf-heuristics.c: Remove #if-0 block.
1083 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
1084 (__mf_starting_p): New state only for use while dlsym bootstrapping.
1085 (CALL_REAL, __mf_init): Corresponding changes.
1086 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
1087 all callers to remove redundant "mf:" prefix.
1088 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
1089 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
1090 (__mf_pthread_info): Become a hash table.
1092 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
1093 "dg-repetitions" directives to control test case execution.
1094 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
1096 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
1098 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
1100 * mf-hooks.c (alloca): Separate into stub.
1101 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
1102 malloc/free for alloca blocks.
1103 (pthread_create): Tolerate failing pthread_attr_get* calls.
1104 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
1105 * mf-impl.h (CALL_WRAP): Remove macro.
1106 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
1107 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
1108 padding for ia64 BIT_FIELD_REF constructs.
1110 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
1112 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
1113 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
1114 libmudflap object type.
1115 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
1116 crashes on unregistering STATIC objects.
1118 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
1120 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
1121 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
1122 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
1123 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
1124 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
1125 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
1126 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
1127 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
1128 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
1129 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
1130 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
1131 (accept, bind, connect, gethostname, sethostname): New hooks.
1132 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
1133 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
1134 (semop, semctl, shmctl, shmat, shmdt): New hooks.
1135 * mf-runtime.h.in: Corresponding changes.
1136 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
1137 (opts) Rename heur_argv_environ to heur_std_data.
1138 (__mf_wrap_main): Use STATIC type for argv/environ strings.
1139 * Makefile.am: Corresponding changes.
1140 * Makefile.in: Regenerated.
1142 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
1144 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
1145 heuristic for threaded case, and for non-x86-linux targets.
1146 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
1147 for use during pre-main() program startup.
1148 (__mf_0fn_*): Make these functions non-static.
1149 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
1151 * mf-runtime.c (__mf_state): Set initial state to "starting".
1152 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
1153 (__wrap_main): New function to register argv[] and environ[] strings.
1154 (__mf_ini): Call it.
1155 (*): In all trace functions, use "%p" as formatter for uintptr_t.
1157 * testsuite/libmudflap.c/pass38-frag.c: New test case.
1158 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
1160 * acinclude.m4: Add comments with aoliva's concerns about x86_64
1162 * aclocal.m4, configure: Regenerated.
1164 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
1166 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
1167 * aclocal.m4, configure: Regenerated.
1169 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
1171 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
1172 for x86_64 target. Disable caching for this value.
1173 * aclocal.m4, configure: Regenerated.
1175 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
1177 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
1178 is about to become deprecated, and its present handling bugs are
1181 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
1183 * testsuite/libmudflap.c/pass38-frag.c: New test for
1186 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1188 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
1189 __mf_report, asserting reentrant calling context.
1191 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1193 * mf-hooks.c (realloc): Correct reentrancy logic.
1194 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
1196 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
1198 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
1199 PTHREAD_THREADS_MAX. Update users.
1200 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
1202 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
1203 with libmudflapth presence indicator.
1204 * testsuite/Makefile.in: Regenerated.
1206 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
1208 * Makefile.am (AM_CFLAGS): Remove "-ansi".
1209 * configure.in: Remove silly no-pthreads => no-shared logic.
1210 * Makefile.in, configure: Regenerated.
1211 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
1212 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
1213 code. Count reentrancy events.
1214 (all hook functions): Don't directly manipulate __mf_state variable.
1215 Add TRACE calls to hook functions without them.
1216 * mf-impl.h (LOCKTH): Try to count lock contention events.
1217 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
1218 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
1219 Reorganize reentrancy code.
1220 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
1221 identify reentrancy with mutex holding times.
1222 (internal __mfu_ entry points): Remove internal reentrancy code.
1223 (__mf_init): Use ordinary locked calls.
1224 (__mfu_report): Print the two new counts.
1225 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
1226 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
1227 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
1228 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
1231 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
1233 * configure.in: Add pthread support, plus glibc and porting hacks.
1234 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
1235 from objects built into ./pth/.
1236 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
1237 functions for internal entry points. Update callers to pick
1238 locked vs. unlocked variants.
1239 (__mf_resolve_single_dynamic): Extend to support symbol versioning
1240 info coming in from a static data structure.
1241 (*): Reorder miscellaneous declarations to group data vs functions.
1242 (__mf_set_default_options): Simplify.
1243 (__mf_usage): Mention threading status of host executable.
1244 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
1245 decls to match above.
1246 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
1247 * mf-heuristics.c: Choose between locked/unlocked calls. Add
1248 some lock/unlock markers. Remove some unused code.
1250 (pthread_create): New hook function.
1251 (__mf_pthread_cleanup, _spawner): New helper functions.
1252 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
1254 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
1256 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
1258 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
1260 * Makefile.am (HOOKOBJS): Add *time related hooks.
1261 * configure.in: Look for pthreads.h header.
1262 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
1263 * mf-runtime.c: Begin sketching some pthreads support.
1264 (__mf_usage): Check for -lpthread presence.
1265 (__mf_unregister): Confirm matching unregistration base.
1266 (__mf_find_objects_rec): Reduce unnecessary recursion.
1267 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
1268 #defines for new hook functions.
1269 * mf-impl.h: Corresponding changes.
1270 * config.h.in, configure, Makefile.in: Regenerated.
1272 2002-04-27 Diego Novillo <dnovillo@redhat.com>
1274 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
1275 modifiers to prevent being optimized away.
1276 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
1277 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1278 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
1279 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1280 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
1281 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
1282 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
1284 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1286 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1287 * configure.in: Look for uintptr_t and -ldl on target.
1288 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1289 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1290 * testsuite/Makefile.in: Regenerated.
1291 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1292 for better C compliance.
1294 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1296 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1298 * mf-runtime.c (__mf_set_default_options): Turn off
1299 check-initialization.
1300 (__mf_describe_object): Shorten description.
1301 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1303 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
1305 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1307 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
1309 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1311 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1312 * mf-impl.h (CALL_BACKUP): New macros.
1313 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1315 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
1317 * Makefile.am (AM_CFLAGS): Remove optimization flags.
1318 (HOOKOBJS): Remove dlopen hook.
1319 (libmudflap_la_LIBADD): Add -ldl.
1320 * mf-hooks.c (dlopen): Remove hook.
1321 * mf-impl.h (__mf_dynamic): Ditto.
1322 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1323 * Makefile.in: Regenerated.
1325 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
1327 * configure.in: Check for target gettimeofday, signal, some headers.
1328 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
1329 out inop multi_threaded field.
1330 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1331 (__mf_set_options): Correct handling of "-help".
1332 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1333 (__mf_check, __mf_register, __mf_unregister): Call it.
1334 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1335 (__mf_report_leaks): Make callable
1336 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
1337 distribution statistics.
1338 (__mf_adapt_cache): Rewrite shift guessing logic based on address
1340 * config.h.in, configure: Regenerated.
1341 * testsuite/libmudflap.c/fail27-frag.c: New test.
1342 * testsuite/libmudflap.c/pass36-frag.c: New test.
1344 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
1346 * mf-runtime.h.in: Tweak.
1347 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1348 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1349 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1351 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1353 * configure.in: Tweak generation of mf-runtime.h some more. It
1354 needs to work from both config.status and configure.
1355 * configure: Regenerated.
1357 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1359 * Makefile.am: Reorganize hook file building. Add auto dependencies.
1360 * configure.in: Tweak generation of mf-runtime.h.
1361 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1362 * mf-hooks.c (*): Adapt to initialized-heap object type.
1363 * mf-impl.h: Tweak cemetary boundaries.
1364 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1366 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1367 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1368 * testsuite/lib/libmudflap.exp (includes): Include build tree.
1369 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1371 * testsuite/.../fail{25,26}-frag.c: New tests.
1372 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1373 * Makefile.in, configure: Regenerated.
1375 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1377 * mf-runtime.c (__mf_set_default_options): Turn on initialization
1378 checking by default.
1379 (__mf_insert_new_object): As a temporary hack, assume that new
1380 objects registered on the stack start out initialized.
1381 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1382 heap objects by hand.
1384 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1386 Switch to macro-style hooks for str*/mem*/b* functions.
1387 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1388 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1389 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1390 (__mf_set_default_options): Turn off heur_proc_map.
1391 (*): Adapt to to macro-style hook functions.
1392 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1393 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1394 (__mf_violation): Handle __MF_VIOL_WATCH.
1395 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1396 (__mf_dynamic): Removed mem*/str*/b* functions.
1397 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1398 (WRAPPER2): New macro for macro-style hooks.
1399 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1401 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1402 * mf-heuristics.c: Adapt to macro-style hook functions.
1403 Correct some comments.
1404 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1405 output pattern tests.
1406 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1407 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1409 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1411 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1412 for global array registration.
1413 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1414 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1416 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1418 * Makefile.am: Add gross make bug workarounds. Tweaked
1419 SUBDIRS and AM_CFLAGS.
1420 * Makefile.in: Regenerated.
1422 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1425 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1426 * Makefile.am (TESTS): Remove simple automake testing.
1427 * configure, Makefile.in: Regenerated.
1428 (SUBDIRS): Include new testsuite/ directory.
1429 * tests/*: Removed all files; moved bulk under:
1430 * testsuite/*: New subdirectory tree.
1431 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1432 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1433 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1434 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1435 * testsuite/config/default.exp: New file.
1436 * testsuite/Makefile.am, Makefile.in: New files.
1438 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1440 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1441 (TESTS): Add fail22 and pass29 tests.
1442 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1443 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1444 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1445 values. Move __MF_VIOL* here.
1446 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1447 (check_initialization): New field in __mf_opts. Default off.
1448 (read_count,write_count): New fields in __mf_object.
1449 (__mf_check): Implement basic initialization checking.
1450 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1451 (__mf_describe_object): Print new fields.
1452 (__mf_violation): Identify check/read vs. check/write in messages.
1453 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1454 "-check-initialized" mudflap option.
1455 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1456 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1457 Drop __FILE__/__LINE__ hack. Update callers.
1458 (*): Adapt to new mf-runtime.h API.
1459 * Makefile.in: regenerated.
1461 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1463 * configure.in: Build mf-runtime.h a more proper way.
1464 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1465 * mf-runtime.c (verbose_violations): Turn on by default.
1466 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1467 * mf-impl.h: ... and move it here.
1468 * configure: Regenerated.
1470 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1472 * configure.in: Look for C++ compiler.
1473 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1474 fixed type warnings when built with C++.
1475 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1476 * Makefile.am (TESTS): Run them.
1477 (*) Add new rules for building and running C++ tests.
1478 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1479 * mf-runtime.h.in: Protect with extern "C".
1480 * Makefile, configure: Regenerated.
1482 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1484 Portability improvements.
1485 * configure.in: Look for glibc backtrace headers/functions.
1486 * mf-hooks.c: Don't include <execinfo.h> any more.
1487 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1489 (__mf_backtrace): Provide alternate baby implementation in
1491 * test/mf-driver.c: Portability tweaks.
1492 * acinclude.m4: New file, containing top level libtool.m4.
1493 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1495 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1497 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1499 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1501 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1503 (__mf_unregister): Implement stack/heap object wiping.
1504 (__mf_set_options): Renamed from __mf_process_opts.
1505 (__mf_uncache_object): Change arg type, correct callers.
1506 * mf-impl.h: Corresponding changes.
1507 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1508 * mf-runtime.h.in (__mf_set_options): Extend public API.
1509 * test/pass26-frag.c: New test for stack wiping.
1510 * Makefile.am (TESTS): Run it.
1511 * Makefile.in: Regenerated.
1513 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1515 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1516 * mf-runtime.c (__mf_object_t): Add watching_p field.
1517 (__mf_watch_or_not): New function to implement
1518 object watch flagging.
1519 (__mf_watch, __mf_unwatch): New wrappers for above.
1520 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1521 (__mf_count_violation): Enlarge array.
1522 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1523 unlink object. Clear cache properly.
1524 (__mf_unregister): Unlink object explicitly before uncaching.
1525 * test/fail21-frag.c, pass25-frag.c: New tests.
1526 * Makefile.in, aclocal.m4: Regenerated.
1528 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1530 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1531 * Makefile.am (TESTS): Add it.
1532 * test/pass-stratcliff.c: Add decls of stpcpy.
1533 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1534 build tree from config.h and new file mf-runtime.h.in.
1535 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1536 * Makefile.in, configure, config.h.in: Regenerated.
1537 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1538 * mf-runtime.c (options, __mf_set_default_options): Support new
1539 default "abbreviate" option.
1540 (__mf_object.description_epoch): New field.
1541 (__mf_describe_object): Conditionally abbreviate objects already
1542 displayed in current epoch. Accept NULL input to increment epoch.
1543 (__mf_fini, __mf_ini): Reset description epoch.
1544 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1545 that NULL pointer slot in lookup cache is invalidated. Register a
1546 NOACCESS region around NULL.
1547 * mf-impl.h: Corresponding changes.
1549 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1551 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1552 * Makefile.am: Run them. Install mf-runtime.h.
1553 * Makefile.in: Regenerated.
1554 * mf-hooks.c: Add some markers for more missing functions.
1555 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1556 statistic to tune tune cache size (mask).
1558 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1560 * test/pass23-frag.c: New test for bit_field_ref expressions.
1561 * Makefile.am, Makefile.in: Add new test.
1562 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1563 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1564 * mf-runtime.c (__mf_init): Register errno global.
1565 (__mf_find_object): Removed function.
1566 (__mf_check): Rewrite logic to support accesses across some
1567 contiguous but distinctly registered objects.
1568 (__mf_remove_old_object): Tolerate cache entries that span
1571 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1573 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1574 * Makefile.am, Makefile.in: Run new tests.
1575 * mf-hooks.c (alloca): Correct stack direction logic.
1577 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1579 * mf-impl.h (adapt_cache): New option.
1580 * mf-runtime.c (__mf_set_default_options): Set its default value.
1581 Tweak the tree_aging parameter down.
1582 (__mf_check): Maintain separate counter for cache-adaptation.
1583 (__mf_tree_analyze): New function to collect object tree stats.
1584 (__mf_adapt_cache): New function to automate cache parameters.
1586 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1588 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1589 hypothetical #if-0'd argv/envp region registration.
1590 * mf-runtime.c (__mf_init): Add kludged form of above.
1591 (*) Add "heur_argv_environ" flag, default on, to govern this.
1592 * mf-impl.h: Corresponding changes.
1594 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1596 * test/fail18-frag.c: New test file for NOACCESS regions.
1597 * Makefile.am (TESTS): Add new test.
1598 * Makefile.in: Regenerated.
1600 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1601 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1602 (optimize_object_tree): Remove unused mudflap_option.
1603 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1604 support throughout. Use .._MAX_CEM for cemetary upper bound.
1605 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1607 (__mf_object): Add new liveness field for use by tree aging.
1608 (__mf_check): Trigger tree aging when needed.
1609 (__mf_age_tree): New function to decay liveness field.
1610 (__mf_find_objects_rec): Use liveness field to rotate tree.
1611 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1612 (__mf_unregister): Ditto.
1613 (__mf_register): Tweak duplicate-static message.
1614 (__mf_violation: Tweak nearby-object counter printing.
1616 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1618 * test/pass20-frag.c: New test file.
1619 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1620 * Makefile.in: Regenerated.
1622 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1623 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1624 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1625 entries to avoid repeat registration.
1626 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1627 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1629 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1631 * Makefile.am: Create test sources with #include, not cat>>.
1632 * Makefile.in: Regenerated.
1633 * test/buildtest.sh: Removed.
1634 * test/driver.c (abort_handler, main): Be quiet.
1636 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1638 * test/pass18-frag.c, pass19-frag.c: New tests.
1639 * Makefile.am (check): Run them. Rebuild test programs each time.
1640 * Makefile.in: Regenerated.
1642 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1644 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1645 overlapping object search.
1646 (__mf_violation): Likewise for nearby objects.
1647 Improve nearby-object listing.
1650 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1651 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1653 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1656 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1657 (HOOKOBJS): Add alloca-hook.o.
1658 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1660 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1661 (__mf_backtrace): Reimplement without using alloca.
1662 * Makefile.in: Regenerated.
1665 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1666 Correct signedness bugs in length-tracking variables.
1667 * mf-impl.h: Make options unsigned.
1668 (CALL_WRAP): New macro to parallel CALL_REAL().
1669 (DECLARE): Remove erroneous ";" at end.
1670 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1671 formatting specs with %08lx. Correct several compiler warnings.
1673 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1675 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1677 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1679 libmudflap hook breakup:
1680 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1682 (TESTS): Make dependent on libmudflap.
1683 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1684 compiled from segments of mf-hooks.c.
1685 * mf-hooks.c: Corresponding changes: wrap each function in
1687 * Makefile.in: Regenerated.
1689 Heuristics reorganization:
1690 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1691 Remove these functions. Update callers.
1692 (__mf_heuristic_check): Incorporate all the various heuristics.
1693 Encode cacheability/retry judgement into trinary return value.
1694 Separate start-end logic into a separate fallback heuristic. Only
1695 register relevant /proc/self/map segments.
1696 * mf-impl.h: Corresponding changes.
1697 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1698 (__mf_init): Don't call __mf_init_heuristics.
1701 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1702 "-verbose-trace" to emit all tracing messages other than those of
1703 basic public api. Eliminate some duplicate/excessive messages.
1704 * mf-runtime.h: Corresponding changes.
1706 2002-08-27 Graydon Hoare <graydon@redhat.com>
1708 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1709 and __real when compiled with -DPIC.
1710 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1711 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1712 * Makefile.in: Regenerate.
1714 2002-08-26 Graydon Hoare <graydon@redhat.com>
1716 * mf-impl.h: New file, private implementation header.
1717 * mf-runtime.h: Reorganize a bit.
1718 (CLAMPSZ): Fix arithmetic.
1719 (__MF_CACHE_MISS_P): Fix arithmetic.
1720 * mf-runtime.c: Reorganize a bit.
1721 (__mf_dynamic): New structure.
1722 (resolve_single_dynamic): New function.
1723 (__mf_resolve_dynamics): New function.
1724 (__mf_init): Initialize dynamic wrappers.
1725 * mf-hooks.c: Macro-ize __real calls.
1726 Clamp various bits of arithmetic.
1727 Add explicit __mf_check call contexts.
1728 * Makefile.am: Add dependencies on mf-impl.h
1729 * Makefile.in: Regenerate.
1730 * configure.in: Comment out shared override.
1731 * configure: Regenerate.
1733 2002-08-22 Graydon Hoare <graydon@redhat.com>
1735 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1736 (__mf_check): Re-inialize and check heuristics before violation.
1737 (__mf_register): Permit updating pure-guess regions.
1738 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1739 (__wrap_dlopen): New wrapper function.
1740 (__wrap_mmap): New wrapper function.
1741 (__wrap_munmap): New wrapper function.
1742 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1743 which are not stack addresses.
1744 (is_stack_address): New function.
1745 (__mf_init_heuristics): Save and restore state, always initialize with
1748 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1750 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1751 error. Pass location string.
1752 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1753 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1754 (__mf_process_opts): Apply some sanity checking for lc-mask.
1755 (__mf_check, __mf_violation): Take new location-string argument.
1756 Update callers to pass NULL if necessary.
1757 (__mf_backtrace): New smart backtracer function. Calls replace
1758 several ad-hoc blocks elsewhere.
1759 (__mf_describe_object): Remove bad reentrancy test. Improve
1761 * mf-runtime.h: Corresponding changes. Public/private markup.
1762 (__MF_CACHE_MISS_P): New macro.
1764 2002-08-20 Graydon Hoare <graydon@redhat.com>
1766 * mf-runtime.h: New option: stack_bound (heuristic).
1767 Move some macros out of implementation files.
1768 * mf-runtime.c: New option string: -stack-bound.
1769 Unify recursion protection with hooks.
1771 (__mf_check): Call __mf_heuristic_check.
1772 (__mf_process_opts): Fix "no-" processing.
1773 * mf-heuristics.c (__mf_heuristic_check): New function.
1774 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1776 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1778 Option parsing improvements, region splitting bug fixes:
1779 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1780 * mf-runtime.h (heur_proc_map): New libmudflap option.
1781 * mf-runtime.c (__mf_set_default_options): Set it.
1782 (__mf_usage): Print default values/status.
1783 (__mf_process_opts): Support general "no-" option string prefix.
1784 (__mf_init): Print __mf_usage on unknown-option error.
1785 (__mf_register): Print trace message up front.
1786 Correct region splitting logic for case where a subregion disappears.
1787 Correct memory leak.
1788 (__mf_violation): Make even basic message conditional on option.
1791 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1792 (clean-local): New target.
1793 (test/*x rules): Add -g CFLAGS.
1794 (CFLAGS): Add -freorder-blocks.
1795 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1796 * Makefile.in: Regenerated.
1797 * Makefile, mf-config.h: Removed files.
1799 2002-08-16 Graydon Hoare <graydon@redhat.com>
1801 * mf-runtime.c (__mf_insert_new_object): Factor out of
1803 (__mf_remove_old_object): Factor out of __mf_unregister.
1804 (__mf_register): Handle guessed regions, splitting
1805 guesses when new registrations arrive.
1806 (__mf_unregister): Do not unregister guesses.
1807 * mf-runtime.h: Move convenience macros around,
1808 declare new option fields. Add __MF_TYPE_GUESS.
1809 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1810 (__wrap_free): Call __real_free for deferred frees.
1811 * Makefile.am: Add more tests, fix dependency.
1812 * Makefile.in: Regenerate.
1813 * test/pass[13..17]-frag.c: New testcases.
1814 * test/fail[13..17]-frag.c: New testcases.
1816 2002-08-15 Graydon Hoare <graydon@redhat.com>
1818 * mf-heuristics.c: New file.
1819 * mf-runtime.c (options): Add -trace-calls option.
1820 (__mf_init): Call __mf_init_heuristics.
1822 2002-08-14 Graydon Hoare <graydon@redhat.com>
1824 * Makefile.am (TESTS): Add testsuite support.
1825 * Makefile.in: Regenerate.
1826 * test/mf-driver.c: New file.
1827 * test/buildtest.sh: New file.
1828 * test/passNN-frag.c: New testcases.
1829 * test/failNN-frag.c: New testcases.
1831 2002-08-14 Graydon Hoare <graydon@redhat.com>
1833 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1834 verifying non-size-limited string extents.
1836 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1838 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1839 instead of plain str[n]len for internal checks.
1840 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1842 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1844 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1846 2002-08-13 Graydon Hoare <graydon@redhat.com>
1848 * mf-runtime.c: Rework configuration to operate on
1849 environment variable options rather than #defines
1850 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1851 (__mf_init): Set static __mf_active_p flag on startup,
1852 to inhibit mudflap wrap-based checking during crt0.s.
1853 * mf-runtime.h: Declare options structure.
1854 * mf-hooks.c: New wrappings for mem*, b*, str*
1855 libc functions (temporarily #if 0-ed out).
1857 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1859 * Makefile.am, configure.in: New files.
1860 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1861 * stamp-h.in, aclocal.m4: Ditto.
1863 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1865 * Makefile: New file.
1866 * mf-config.h: New file: runtime configuration.
1867 * mf-hooks.c: New file: interposed libc functions.
1868 * mf-runtime.c: New file: bulk of runtime.
1869 * mf-runtime.h: New file: public functions.