1 2009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3 * configure.ac (AC_PREREQ): Bump to 2.64.
5 2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7 * Makefile.am (install-html, install-pdf): Remove.
8 * Makefile.in: Regenerate.
10 * Makefile.in: Regenerate.
11 * aclocal.m4: Regenerate.
12 * config.h.in: Regenerate.
13 * configure: Regenerate.
14 * testsuite/Makefile.in: Regenerate.
16 2009-07-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
18 * configure.ac (_AC_ARG_VAR_PRECIOUS): Use m4_rename_force.
20 2009-07-16 Joseph Myers <joseph@codesourcery.com>
22 * configure: Regenerate.
24 2009-07-11 Richard Sandiford <rdsandiford@googlemail.com>
29 * testsuite/lib/libmudflap.exp: Revert 2009-06-30 commit.
31 2009-07-01 Richard Guenther <rguenther@suse.de>
33 PR tree-optimization/19831
34 * testsuite/libmudflap.c/fail11-frag.c: Make allocated memory
36 * testsuite/libmudflap.c/fail12-frag.c: Likewise.
37 * testsuite/libmudflap.c/fail16-frag.c: Likewise.
38 * testsuite/libmudflap.c/fail31-frag.c: Likewise.
40 2009-06-30 Richard Sandiford <r.sandiford@uk.ibm.com>
42 * testsuite/lib/libmudflap.exp (libmudflap-init): Don't add "."
43 to ld_library_path. Use add_path. Add just find_libgcc_s to
44 ld_library_path, not every libgcc multilib directory.
46 2009-04-09 Nick Clifton <nickc@redhat.com>
48 * mf-hooks1.c: Change copyright header to refer to version 3
49 of the GNU General Public License with version 3.1 of the GCC
50 Runtime Library Exception and to point readers at the COPYING3
51 and COPYING3.RUNTIME files and the FSF's license web page.
52 * mf-heuristics.c: Likewise.
53 * mf-hooks2.c: Likewise.
54 * mf-hooks3.c: Likewise.
55 * mf-impl.h: Likewise.
56 * mf-runtime.c: Likewise.
57 * mf-runtime.h: Likewise.
59 2009-04-09 Jakub Jelinek <jakub@redhat.com>
61 * testsuite/lib/mfdg.exp: Change copyright header to refer to
62 version 3 of the GNU General Public License and to point readers
63 at the COPYING3 file and the FSF's license web page.
64 * testsuite/lib/libmudflap.exp: Likewise.
66 2009-03-31 Ben Elliston <bje@au.ibm.com>
69 * testsuite/libmudflap.c/fail27-frag.c: Match `mudflap dead
70 object', not `mudflap object'.
72 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
74 * configure: Regenerate.
76 2009-02-03 Jakub Jelinek <jakub@redhat.com>
78 * mf-runtime.c (__mf_usage): Update copyright notice dates.
80 2009-01-23 Jie Zhang <jie.zhang@analog.com>
82 * mf-impl.h (__mf_get_state, __mf_set_state): Don't use
83 __thread when TLS support is emulated.
84 * mf-hooks3.c (__mf_get_state, __mf_set_state): Likewise.
85 * mf-runtime.c (__mf_state_1): Likewise.
86 * configure.ac: Use GCC_CHECK_EMUTLS.
87 * configure: Regenerate.
88 * config.h.in: Regenerate.
90 2008-12-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
92 * configure: Regenerate.
94 2008-11-26 Janis Johnson <janis187@us.ibm.com>
97 * testsuite/lib/mfdg.exp (dg-test): Use new timeout support.
99 (standard-wait): Remove.
100 * testsuite/lib/libmudflap.exp: Include new timeout library files.
101 (libmudflap_target_compile): Set timeout value from new proc.
103 2008-11-10 Jakub Jelinek <jakub@redhat.com>
106 * testsuite/libmudflap.c/pass67-frag.c: New test.
108 2008-10-09 Jakub Jelinek <jakub@redhat.com>
111 * testsuite/libmudflap.c++/pass66-frag.cxx: New test.
113 2008-09-26 Peter O'Gorman <pogma@thewrittenword.com>
114 Steve Ellcey <sje@cup.hp.com>
116 * configure: Regenerate for new libtool.
117 * Makefile.in: Ditto.
118 * testsuite/Makefile.in: Ditto.
120 2008-09-15 Jakub Jelinek <jakub@redhat.com>
123 * testsuite/libmudflap.c/pass64-frag.c: New test.
125 2008-06-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
127 * Makefile.in: Regenerate.
128 * config.h.in: Regenerate.
129 * configure: Regenerate.
130 * testsuite/Makefile.in: Regenerate.
132 2008-04-18 Paolo Bonzini <bonzini@gnu.org>
135 * aclocal.m4: Regenerate.
136 * configure: Regenerate.
138 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
140 * testsuite/libmudflap.c/pass63-frag.c: New test.
142 2008-03-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
144 * aclocal.m4: Regenerate.
145 * configure: Likewise.
146 * Makefile.in: Likewise.
147 * testsuite/Makefile.in: Likewise.
149 2008-03-02 Jakub Jelinek <jakub@redhat.com>
151 * mf-runtime.c (__mf_usage): Update copyright notice dates.
153 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
155 * testsuite/libmudflap.c/fail8-frag.c: Adjust scan pattern for
157 * testsuite/libmudflap.c/fail9-frag.c: Ditto.
159 2008-01-24 David Edelsohn <edelsohn@gnu.org>
161 * configure: Regenerate.
163 2008-01-05 Jakub Jelinek <jakub@redhat.com>
165 PR tree-optimization/34618
166 * testsuite/libmudflap.c/pass62-frag.c: New test.
168 2008-01-03 Jakub Jelinek <jakub@redhat.com>
171 * testsuite/libmudflap.c++/pass61-frag.cxx: New test.
173 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
176 * testsuite/libmudflap.c++/pass60-frag.cxx: New test.
178 2007-10-15 Maciej W. Rozycki <macro@linux-mips.org>
180 * configure: Regenerate following changes to ../config/tls.m4.
182 2007-07-26 Tom Tromey <tromey@redhat.com>
184 * Makefile.in: Rebuilt.
185 * Makefile.am (clean-local): Removed.
186 (pth/mf-runtime.lo, pth/mf-heuristics.lo, pth/mf-hooks1.lo,
187 pth/mf-hooks2.lo, pth/mf-hooks3.lo): Likewise.
188 (libmudflapth_la_SOURCES): List sources.
189 (libmudflapth_la_LIBADD): Clear.
190 (libmudflapth_la_CFLAGS): New variable.
192 2007-07-05 H.J. Lu <hongjiu.lu@intel.com>
194 * aclocal.m4: Regenerated.
196 2007-06-02 Paolo Bonzini <bonzini@gnu.org>
198 * configure: Regenerate.
200 2007-05-31 Frank Ch. Eigler <fche@redhat.com>
202 From Andi Kleen <ak@suse.de>:
203 * mf-runtime.c (options): Rename structure for compatibility with
206 2007-05-23 Steve Ellcey <sje@cup.hp.com>
208 * Makefile.in: Regenerate.
209 * configure: Regenerate.
210 * aclocal.m4: Regenerate.
211 * testsuite/Makefile.in: Regenerate.
213 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
215 * testsuite/libmudflap.cth/pass59-frag.c (main): Fix casting of arg.
217 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
219 * Makefile.am: Add dummy install-pdf target.
220 * Makefile.in: Regenerate
222 2007-02-07 Jakub Jelinek <jakub@redhat.com>
225 * configure: Regenerate.
227 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
229 * configure: Regenerate.
231 2006-11-13 Daniel Jacobowitz <dan@codesourcery.com>
233 * configure: Regenerated.
235 2006-11-10 Frank Ch. Eigler <fche@redhat.com>
238 * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
239 static but not function scope static.
240 (free): Skip deallocation attempts for objects placed into
242 * testsuite/libmudflap.cth/pass59-frag.c: New test.
244 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
246 From Herman ten Brugge <hermantenbrugge@home.nl>:
247 * mf-runtime.c (__mf_uncache_object): Optimize the code so that
248 small and large objects are handled a lot faster.
250 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
252 * configure.ac (__libc_freeres): Look for it.
253 * mf-impl.h (call_libc_freeres): New configuration flag.
254 * mf-runtime.c (__mf_set_default_options): Set it by default.
255 (__mfu_report): Call it if needed.
256 (__mfu_unregister): Remove "unaccessed registered object" warning.
257 * configure, config.h.in: Regenerated.
259 2006-09-18 Tom Tromey <tromey@redhat.com>
261 * configure: Rebuilt.
263 2006-06-21 Frank Ch. Eigler <fche@redhat.com>
266 mf-runtime.h installation based on ssp patch for PR 26473 from
267 Mark Mitchell <mark@codesourcery.com>.
268 * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
269 * Makefile.am (target_noncanonical): Define.
270 (libsubincludedir): New variable.
271 (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
272 (include_HEADERS): Remove.
273 * configure, aclocal.m4, config.h.in: Regenerated.
274 * Makefile.in, testsuite/Makefile.in: Likewise.
275 * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
276 and _THREAD_SAFE redefinition values.
278 2006-05-23 Carlos O'Donell <carlos@codesourcery.com>
280 * Makefile.am: Add install-html target. Add install-html to .PHONY
281 * Makefile.in: Regenerate.
283 2006-04-19 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
286 * testsuite/libmudflap.c++/error1-frag.cxx: New test.
289 * testsuite/libmudflap.c++/error2-frag.cxx: New test.
291 2006-04-10 Matthias Klose <doko@debian.org>
293 * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
294 directory names containing underscores.
296 2005-11-22 Janis Johnson <janis187@us.ibm.com>
298 * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
299 MUDFLAP_FLAGS if static library not supported.
300 * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
301 * testsuite/libmudflap.c/externs.exp: Ditto.
302 * testsuite/libmudflap.c++/ctors.exp: Ditto.
303 * testsuite/libmudflap.c++/c++frags.exp: Ditto.
304 * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
306 2005-10-04 James E Wilson <wilson@specifix.com>
308 * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
309 $name as array of characters with unknown bound. Also store into the
311 * configure: Regenerate.
313 2005-09-30 James E. Wilson <wilson@specifix.com>
315 * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
317 (target_thread_file): New. Set from sed'ed gcc output.
318 (posix_threads): New. Set from target_thread_file. Use instead of
320 (pthread_create_version): Move initialization before code using it.
321 * configure: Regenerate.
323 * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
326 2005-09-29 James E. Wilson <wilson@specifix.com>
328 * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
329 with HAVE_MMAP ifdef.
331 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
334 * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
336 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
338 * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
340 2005-09-23 Tom Tromey <tromey@redhat.com>
342 * aclocal.m4, configure: Rebuilt.
343 * configure.ac: Use GCC_CHECK_TLS.
344 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
347 2005-08-22 Jim Wilson <wilson@specifix.com>
349 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
350 __FreeBSD__ is defined.
352 2005-08-17 Jim Wilson <wilson@specifix.com>
354 * mf-hooks1.c (malloc, calloc, realloc, free,
355 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
356 the real routines, and END_MALLOC_PROTECT afterwards.
357 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
358 (BEGIN_PROTECT): Handle in_malloc state.
359 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
360 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
362 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
364 * All files: Update FSF address.
366 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
368 * mf-hooks3.c (main_seen_p): Remove.
369 (__mf_get_state): Remove attempt to recognize the main thread.
371 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
373 * configure.ac: Test for the name of the symbol used for the entry
374 point; define ENTRY_POINT to the result.
375 * configure: Regenerate.
376 * config.h.in: Regenerate.
377 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
379 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
381 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
382 (__mf_init): Set thread state active.
383 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
385 (pthread_create wrapper): Always use thread spawner.
387 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
388 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
390 2005-07-16 Richard Henderson <rth@redhat.com>
392 * acinclude.m4: New file.
393 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
394 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
395 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
396 (__mf_0fn_calloc): ... here.
397 * mf-hooks3.c (struct pthread_info): Remove.
398 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
399 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
400 (struct mf_thread_data): New.
401 (mf_thread_data, mf_thread_data_lock): New.
402 (__mf_allocate_blank_threadinfo): Remove.
403 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
405 (__mf_state_perthread): Remove.
406 (__mf_get_state, __mf_set_state): New.
407 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
408 Update mf_thread_data killing procedure.
409 (__mf_pthread_spawner): Similarly.
410 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
411 code to allocate thread stack space.
412 (__mf_0fn_pthread_join, pthread_join): Remove.
413 (__mf_0fn_pthread_exit, pthread_exit): Remove.
414 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
415 (__mf_state_1): Rename from __mf_state; use TLS when available.
416 (__mf_get_state, __mf_set_state): New. Update all users.
417 * mf-runtime.c (begin_recursion_protect1): New.
418 (BEGIN_RECURSION_PROTECT): Use it.
419 (__mf_state_1): Rename from __mf_state; use TLS when available.
420 (threads_active_p): Remove.
421 (__mf_usage): Compute it directly.
423 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
425 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
427 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
429 Fix for uncaching bug reported by Herman ten Brugge.
430 * mf-runtime.c (__mf_uncache_object): Search whole cache.
431 * testsuite/libmudflap.c/fail40-frag.c: New test.
433 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
436 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
437 * Makefile.in: Amend.
439 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
442 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
443 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
445 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
448 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
450 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
453 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
454 unsigned vars with #defines instead of enums.
456 2005-05-09 Mike Stump <mrs@apple.com>
458 * configure: Regenerate.
460 2005-04-12 Mike Stump <mrs@apple.com>
462 * configure: Regenerate.
464 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
467 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
468 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
470 2005-04-04 Alan Modra <amodra@bigpond.net.au>
472 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
474 2005-03-31 Mike Stump <mrs@apple.com>
476 * mf-runtime.h: Add libmudflap copyright clause.
478 2005-03-21 Mike Stump <mrs@apple.com>
480 * mf-heuristics.c: Fix whitespace at end of line.
481 * mf-hooks1.c: Likewise.
482 * mf-hooks2.c: Likewise.
483 * mf-hooks3.c: Likewise.
484 * mf-impl.h: Likewise.
485 * mf-runtime.c: Likewise.
486 * mf-runtime.h: Likewise.
488 2005-03-21 Zack Weinberg <zack@codesourcery.com>
490 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
491 In all substitutions, expand gcc_version in Makefile.
492 * aclocal.m4, configure: Regenerate.
493 * Makefile.am: Set gcc_version.
494 * Makefile.in, testsuite/Makefile.in: Regenerate.
496 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
498 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
499 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
501 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
504 * testsuite/libmudflap.c++/pass55-frag.c: New test.
506 2005-01-05 Richard Henderson <rth@redhat.com>
508 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
510 2005-01-02 Greg McGary <greg@mcgary.org>
512 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
513 * mf-runtime.h: New file, replaces mf-runtime.h.in.
514 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
515 * Makefile.in: Ditto.
516 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
517 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
518 * testsuite/libmudflap.c/fail36-frag.c: New test.
519 * testsuite/libmudflap.c/fail37-frag.c: New test.
520 * testsuite/libmudflap.c/fail38-frag.c: New test.
522 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
524 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
525 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
527 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
529 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
530 * aclocal.m4: Include ../config/gcc-version.m4.
531 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
533 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
535 * Makefile.am: Define ACLOCAL_AMFLAGS.
536 * acinclude.m4: Remove.
537 * stamp-h.in: Remove superfluous stamp file.
538 * aclocal.m4, configure, Makefile.in: Regenerate.
539 * testsuite/Makefile.in: Likewise.
541 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
543 * Makefile.am: Revert previous.
544 * acinclude.m4: Restore.
545 * aclocal.m4, configure, Makefile.in: Regenerate.
546 * testsuite/Makefile.in: Likewise.
548 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
550 * Makefile.am: Define ACLOCAL_AMFLAGS.
551 * acinclude.m4: Remove.
552 * aclocal.m4, configure, Makefile.in: Regenerate.
553 * testsuite/Makefile.in: Likewise.
555 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
557 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
559 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
561 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
562 * testsuite/Makefile.in: Likewise.
564 2004-11-01 Andreas Schwab <schwab@suse.de>
566 * configure.ac: (target_alias): Default to $host_alias, not
568 * configure: Regenerated.
570 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
572 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
573 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
576 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
579 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
581 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
583 * configure.ac: Check for more headers, functions.
584 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
585 tracking overridden FILE buffers.
586 (fopen, setvbuf): New/revised hook functions for buffer overriding.
587 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
588 (fflush): Accept given NULL stream (means "all streams").
590 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
592 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
593 (__mf_adapt_cache): Use them all.
594 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
595 * testsuite/libmudflap.c++/ctors.exp: Ditto.
596 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
597 * configure, config.h.in: Regenerated.
599 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
601 * configure.ac: Checking for sys/socket.h once is enough.
602 * configure: Regenerated.
604 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
606 * configure.ac: Look for more headers & functions.
607 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
608 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
609 * mf-runtime.c (options): Clean up integer signedness warnings.
610 (main): Add a declaration to fix a warning.
611 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
612 * configure, config.h.in: Regenerated.
614 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
616 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
617 New tests for proper base/limit checking for aggregates.
619 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
621 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
623 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
625 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
626 * mf-hooks2.c (strerror): Unregister previous string returned by
628 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
629 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
630 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
631 * mf-runtime.c (__mf_describe_object): Clarify object life status.
632 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
634 * configure, config.h.in: Regenerated.
636 2004-08-03 Dale Johannesen <dalej@apple.com>
638 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
640 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
642 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
643 simplified contents in all former callers.
645 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
647 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
648 the statically linked case.
650 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
652 * splay-tree.[ch]: Remove. Merge contents into ...
653 * mf-runtime.c: ... here, renaming symbols and making all functions
654 static. Remove unused min/max functions.
655 * Makefile.am: Forget about splay-tree.[ch].
656 * Makefile.in, testsuite/Makefile.in: Regenerated.
658 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
660 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
661 (__mfu_usage): Include (C) 2004.
662 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
663 here. Include a comment explaining why.
665 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
667 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
668 * mf-runtime.c (options): Give them a name.
669 (__mf_set_default_options): Set them.
670 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
671 (__mf_violation): Warning cleanup.
672 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
673 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
675 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
678 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
681 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
683 Test case for g++/15861
684 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
685 * testsuite/libmudflap.c++/ctors.exp: Driver.
686 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
687 Look only for *frag* test cases.
689 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
691 ANSI C conversion, libmudflap specialization, recursion limiting.
692 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
693 argument and indirection function pointers, update callers.
694 (splay_tree_s): Add statistics and recursion control fields
695 num_keys, max_depth, depth, rebalance_p.
696 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
697 Back out of search if it exceeds limit.
698 (splay_tree_splay): Manage recursion limiting with rebalancing as
700 (splay_tree_new): More initialization.
701 (splay_tree_rebalance): New function.
702 (splay_tree_foreach): Rewrite using nonrecursive logic.
703 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
704 Remove. Point indirect calls to mf-runtime.c's routines.
705 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
707 (splay_tree_delete, splay_tree_delete_helper): Ditto.
708 * testsuite/heap-scalestress.c: New test based on one from
709 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
711 2004-07-05 Matthias Klose <doko@debian.org>
713 * libtool-version: New.
714 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
715 Use -version-info for soname.
716 * Makefile.in: Regenerate.
717 * configure.ac: Remove libtool_VERSION macro
718 * configure: Regenerate
720 2004-07-05 Zack Weinberg <zack@codesourcery.com>
722 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
723 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
726 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
728 Splay tree implementation fork.
729 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
730 Use hard-coded comparison function for uintptr_t. Remove key/value
731 deallocation logic. Cache last splayed key for consecutive lookups.
732 * Makefile.am, Makefile.in: Use them, don't link to them.
733 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
734 (__mf_find_objects2): Flip successor/predecessor search sequence.
735 * ansidecl.h, libiberty.h: Removed dummy files.
737 2004-06-29 Nick Clifton <nickc@redhat.com>
739 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
740 * configure: Regenerate.
741 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
743 Remove spurious inclusion of <strings.h>.
745 2004-06-29 Nick Clifton <nickc@redhat.com>
747 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
748 function actually exists.
750 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
752 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
753 * config.h.in: Regenerated.
755 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
757 Adopt splay trees for object database.
758 * Makefile.am: Copy splay-tree.* from libiberty.
759 * Makefile.in, testsuite/Makefile.in: Regenerated.
760 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
761 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
762 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
763 * mf-runtime.c: Rewrite code dealing with object database to use
764 libiberty splay trees. Remove tree liveness aging option.
765 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
767 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
769 * configure.ac: New name of configure.in. Update
770 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
771 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
772 Autoconf 2.5x and Automake 1.7 or later.
773 * configure.in: Remove.
774 * configure: Regenerate.
776 * Makefile.am: Remove useless multilib rules.
777 * Makefile.in: Regenerate.
779 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
781 * .cvsignore: New file.
783 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
786 * mf-hooks2.c (semctl): Add cygwin porting hack.
788 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
791 * configure.in: Look for ctype header and glibc implementation.
792 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
793 array hooks for glibc 2.3.
794 * mf-runtime.h.in: Wrap them.
795 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
797 * testsuite/libmudflap.c/pass47-frag.c: New test.
798 * configure, config.h.in: Regenerated.
800 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
802 Portability improvements, e.g., libmudflap/15293.
803 * configure.in: Look for glibc extension functions. Look for
804 support of -f{function,data}-sections. Look for more headers.
805 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
806 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
807 mf-hooks* into usual single object per source.
808 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
809 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
810 if system doesn't provide one.
811 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
812 (pthread_create): Use it to properly GC dead thread stacks.
813 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
814 * testsuite/Makefile.am: Stop generating site.exp.
815 * testsuite/mfconfig.exp.in: New file.
816 * testsuite/config/default.exp: Load new mfconfig.exp.
817 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
818 (prune_gcc_output): Add glibc static linking warnings.
819 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
820 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
821 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
822 Regenerated with autoconf 2.57 and automake 1.7.
824 2004-06-04 Per Bothner <per@bothner.com>
826 * configure.in (LIBMUDFLAPTH): Fix thinko.
828 * configure.in: Check for more headers.
829 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
831 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
832 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
834 2004-06-01 Andreas Jaeger <aj@suse.de>
836 * configure.in: Handle multilibs, support
837 --enable-version-specific-runtime-libs.
838 * Makefile.am (lib_LTLIBRARIES): Rename to ...
839 (toolexeclib_LTLIBRARIES): this for multilib support.
840 * Makefile.in: Regenerated.
841 * configure: Regenerated.
842 * aclocal.m4: Regenerated.
843 * config.h.in: Regenerated.
844 * testsuite/Makefile.in: Regenerated.
846 2004-06-01 Andreas Jaeger <aj@suse.de>
848 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
849 multilibs, using multilib directory instead of hardcoded path.
852 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
854 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
855 * Makefile.in: Ditto.
857 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
859 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
860 * aclocal.m4, configure: Rebuilt.
862 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
864 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
865 import some build settings from libstdc++-v3 testsuite_flags.
866 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
867 changes to pass test language.
869 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
870 quicker mode-nop handling.
872 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
874 * mf-impl.h: Added libgcc license header.
876 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
878 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
879 Added libgcc license header.
880 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
881 (pthread_create): Simplify stack allocation syntax.
883 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
885 * mf-hooks2.c: Support FreeBSD.
886 (WRAP_gets): Avoid gets().
887 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
888 test unimplemented mem/str calls on FreeBSD.
889 * testsuite/libmudflap.c/pass21-frag.c: Do not include
890 <alloca.h> on FreeBSD.
892 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
894 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
895 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
896 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
897 flags for static linking permutation.
898 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
899 some pthreads code that croaks on linux glibc tls.
901 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
903 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
905 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
907 * testsuite/libmudflap.c/pass44-frag.c: New test.
909 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
911 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
913 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
915 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
917 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
919 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
921 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
924 * configure.in: Add check for see if
925 socklen_t typedef is in sys/socket.h.
926 * mf-hooks1.c: Add define if socklen_t
928 * mf-hooks2.c: Likewise.
929 * mf-hooks3.c: Likewise.
930 * config.h.in: Regen.
933 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
935 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
936 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
938 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
939 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
940 (unoptimized) allocation of stack space.
942 2003-12-07 Richard Henderson <rth@redhat.com>
944 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
945 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
947 2003-12-06 Andrew Pinski <apinski@apple.com>
949 partial PR libmudflap/12670
950 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
951 * mf-hooks2.c: Likewise.
952 * mf-hooks3.c: Likewise.
954 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
957 * mf-runtime.h.in: Switch to #pragma redefine_extname for
958 symbols interposed at compile time.
959 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
962 * mf-hooks2.c (semctl): Tolerate FreeBSD.
964 * configure.in: Reorganize check for <pthread.h>.
965 * configure: Regenerated.
967 2003-11-04 David Edelsohn <edelsohn@gnu.org>
969 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
970 (_LARGE_FILE_API): Define for AIX.
971 * mf-hooks[123]: Same.
972 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
974 2003-10-21 David Edelsohn <edelsohn@gnu.org>
976 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
978 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
980 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
982 * configure.in: Update check for union semun.
984 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
987 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
989 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
992 * configure.in: Add checks for 64-bit LFS functions, struct semun
993 definition, for BSD compatibility.
994 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
995 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
996 * mf-hooks3.c: Ditto.
997 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
999 * configure, config.h.in: Regenerated.
1001 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
1003 Multithreading fixes:
1004 * mf-runtime.c (__mf_object): Store allocating/deallocating
1006 (options): Support new "-thread-stack" option.
1007 Rename "-heur-argv-environ" option to "-heur-stdlib".
1008 Disable "-lc-mask" and "-lc-shift" options.
1009 (__mf_dynamic): Add function pointers for pthread_join/_exit.
1010 (__assert_fail): New self-contained function for glibc.
1011 * mf-hooks3.c: Essentially rewritten, particularly related to
1012 use of __mf_pthread_info array.
1013 (pthread_join, _exit): New hook functions.
1014 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
1015 * testsuite/libmudflap.cth/pass40-frag.c: New test.
1018 * mf-heuristics.c: Add type casts for tracing, sub calls.
1019 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
1020 Update all callers to declare explicit result holder.
1021 (END_PROTECT): Removed.
1022 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
1024 2003-07-15 Diego Novillo <dnovillo@redhat.com>
1026 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
1027 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1028 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1030 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
1032 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
1033 * mf-hooks: Removed.
1034 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
1035 Move these macros from old mf-hooks.c here.
1036 * Makefile.am: Adapt to split-up hook sources for faster builds.
1037 * Makefile.in: Regenerated.
1039 * mf-heuristics.c: Remove #if-0 block.
1041 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
1042 (__mf_starting_p): New state only for use while dlsym bootstrapping.
1043 (CALL_REAL, __mf_init): Corresponding changes.
1044 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
1045 all callers to remove redundant "mf:" prefix.
1046 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
1047 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
1048 (__mf_pthread_info): Become a hash table.
1050 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
1051 "dg-repetitions" directives to control test case execution.
1052 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
1054 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
1056 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
1058 * mf-hooks.c (alloca): Separate into stub.
1059 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
1060 malloc/free for alloca blocks.
1061 (pthread_create): Tolerate failing pthread_attr_get* calls.
1062 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
1063 * mf-impl.h (CALL_WRAP): Remove macro.
1064 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
1065 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
1066 padding for ia64 BIT_FIELD_REF constructs.
1068 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
1070 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
1071 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
1072 libmudflap object type.
1073 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
1074 crashes on unregistering STATIC objects.
1076 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
1078 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
1079 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
1080 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
1081 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
1082 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
1083 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
1084 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
1085 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
1086 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
1087 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
1088 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
1089 (accept, bind, connect, gethostname, sethostname): New hooks.
1090 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
1091 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
1092 (semop, semctl, shmctl, shmat, shmdt): New hooks.
1093 * mf-runtime.h.in: Corresponding changes.
1094 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
1095 (opts) Rename heur_argv_environ to heur_std_data.
1096 (__mf_wrap_main): Use STATIC type for argv/environ strings.
1097 * Makefile.am: Corresponding changes.
1098 * Makefile.in: Regenerated.
1100 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
1102 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
1103 heuristic for threaded case, and for non-x86-linux targets.
1104 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
1105 for use during pre-main() program startup.
1106 (__mf_0fn_*): Make these functions non-static.
1107 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
1109 * mf-runtime.c (__mf_state): Set initial state to "starting".
1110 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
1111 (__wrap_main): New function to register argv[] and environ[] strings.
1112 (__mf_ini): Call it.
1113 (*): In all trace functions, use "%p" as formatter for uintptr_t.
1115 * testsuite/libmudflap.c/pass38-frag.c: New test case.
1116 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
1118 * acinclude.m4: Add comments with aoliva's concerns about x86_64
1120 * aclocal.m4, configure: Regenerated.
1122 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
1124 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
1125 * aclocal.m4, configure: Regenerated.
1127 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
1129 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
1130 for x86_64 target. Disable caching for this value.
1131 * aclocal.m4, configure: Regenerated.
1133 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
1135 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
1136 is about to become deprecated, and its present handling bugs are
1139 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
1141 * testsuite/libmudflap.c/pass38-frag.c: New test for
1144 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1146 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
1147 __mf_report, asserting reentrant calling context.
1149 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1151 * mf-hooks.c (realloc): Correct reentrancy logic.
1152 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
1154 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
1156 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
1157 PTHREAD_THREADS_MAX. Update users.
1158 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
1160 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
1161 with libmudflapth presence indicator.
1162 * testsuite/Makefile.in: Regenerated.
1164 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
1166 * Makefile.am (AM_CFLAGS): Remove "-ansi".
1167 * configure.in: Remove silly no-pthreads => no-shared logic.
1168 * Makefile.in, configure: Regenerated.
1169 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
1170 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
1171 code. Count reentrancy events.
1172 (all hook functions): Don't directly manipulate __mf_state variable.
1173 Add TRACE calls to hook functions without them.
1174 * mf-impl.h (LOCKTH): Try to count lock contention events.
1175 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
1176 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
1177 Reorganize reentrancy code.
1178 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
1179 identify reentrancy with mutex holding times.
1180 (internal __mfu_ entry points): Remove internal reentrancy code.
1181 (__mf_init): Use ordinary locked calls.
1182 (__mfu_report): Print the two new counts.
1183 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
1184 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
1185 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
1186 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
1189 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
1191 * configure.in: Add pthread support, plus glibc and porting hacks.
1192 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
1193 from objects built into ./pth/.
1194 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
1195 functions for internal entry points. Update callers to pick
1196 locked vs. unlocked variants.
1197 (__mf_resolve_single_dynamic): Extend to support symbol versioning
1198 info coming in from a static data structure.
1199 (*): Reorder miscellaneous declarations to group data vs functions.
1200 (__mf_set_default_options): Simplify.
1201 (__mf_usage): Mention threading status of host executable.
1202 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
1203 decls to match above.
1204 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
1205 * mf-heuristics.c: Choose between locked/unlocked calls. Add
1206 some lock/unlock markers. Remove some unused code.
1208 (pthread_create): New hook function.
1209 (__mf_pthread_cleanup, _spawner): New helper functions.
1210 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
1212 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
1214 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
1216 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
1218 * Makefile.am (HOOKOBJS): Add *time related hooks.
1219 * configure.in: Look for pthreads.h header.
1220 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
1221 * mf-runtime.c: Begin sketching some pthreads support.
1222 (__mf_usage): Check for -lpthread presence.
1223 (__mf_unregister): Confirm matching unregistration base.
1224 (__mf_find_objects_rec): Reduce unnecessary recursion.
1225 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
1226 #defines for new hook functions.
1227 * mf-impl.h: Corresponding changes.
1228 * config.h.in, configure, Makefile.in: Regenerated.
1230 2002-04-27 Diego Novillo <dnovillo@redhat.com>
1232 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
1233 modifiers to prevent being optimized away.
1234 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
1235 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1236 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
1237 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1238 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
1239 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
1240 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
1242 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1244 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1245 * configure.in: Look for uintptr_t and -ldl on target.
1246 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1247 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1248 * testsuite/Makefile.in: Regenerated.
1249 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1250 for better C compliance.
1252 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1254 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1256 * mf-runtime.c (__mf_set_default_options): Turn off
1257 check-initialization.
1258 (__mf_describe_object): Shorten description.
1259 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1261 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
1263 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1265 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
1267 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1269 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1270 * mf-impl.h (CALL_BACKUP): New macros.
1271 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1273 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
1275 * Makefile.am (AM_CFLAGS): Remove optimization flags.
1276 (HOOKOBJS): Remove dlopen hook.
1277 (libmudflap_la_LIBADD): Add -ldl.
1278 * mf-hooks.c (dlopen): Remove hook.
1279 * mf-impl.h (__mf_dynamic): Ditto.
1280 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1281 * Makefile.in: Regenerated.
1283 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
1285 * configure.in: Check for target gettimeofday, signal, some headers.
1286 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
1287 out inop multi_threaded field.
1288 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1289 (__mf_set_options): Correct handling of "-help".
1290 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1291 (__mf_check, __mf_register, __mf_unregister): Call it.
1292 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1293 (__mf_report_leaks): Make callable
1294 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
1295 distribution statistics.
1296 (__mf_adapt_cache): Rewrite shift guessing logic based on address
1298 * config.h.in, configure: Regenerated.
1299 * testsuite/libmudflap.c/fail27-frag.c: New test.
1300 * testsuite/libmudflap.c/pass36-frag.c: New test.
1302 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
1304 * mf-runtime.h.in: Tweak.
1305 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1306 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1307 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1309 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1311 * configure.in: Tweak generation of mf-runtime.h some more. It
1312 needs to work from both config.status and configure.
1313 * configure: Regenerated.
1315 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1317 * Makefile.am: Reorganize hook file building. Add auto dependencies.
1318 * configure.in: Tweak generation of mf-runtime.h.
1319 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1320 * mf-hooks.c (*): Adapt to initialized-heap object type.
1321 * mf-impl.h: Tweak cemetary boundaries.
1322 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1324 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1325 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1326 * testsuite/lib/libmudflap.exp (includes): Include build tree.
1327 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1329 * testsuite/.../fail{25,26}-frag.c: New tests.
1330 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1331 * Makefile.in, configure: Regenerated.
1333 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1335 * mf-runtime.c (__mf_set_default_options): Turn on initialization
1336 checking by default.
1337 (__mf_insert_new_object): As a temporary hack, assume that new
1338 objects registered on the stack start out initialized.
1339 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1340 heap objects by hand.
1342 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1344 Switch to macro-style hooks for str*/mem*/b* functions.
1345 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1346 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1347 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1348 (__mf_set_default_options): Turn off heur_proc_map.
1349 (*): Adapt to to macro-style hook functions.
1350 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1351 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1352 (__mf_violation): Handle __MF_VIOL_WATCH.
1353 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1354 (__mf_dynamic): Removed mem*/str*/b* functions.
1355 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1356 (WRAPPER2): New macro for macro-style hooks.
1357 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1359 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1360 * mf-heuristics.c: Adapt to macro-style hook functions.
1361 Correct some comments.
1362 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1363 output pattern tests.
1364 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1365 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1367 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1369 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1370 for global array registration.
1371 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1372 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1374 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1376 * Makefile.am: Add gross make bug workarounds. Tweaked
1377 SUBDIRS and AM_CFLAGS.
1378 * Makefile.in: Regenerated.
1380 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1383 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1384 * Makefile.am (TESTS): Remove simple automake testing.
1385 * configure, Makefile.in: Regenerated.
1386 (SUBDIRS): Include new testsuite/ directory.
1387 * tests/*: Removed all files; moved bulk under:
1388 * testsuite/*: New subdirectory tree.
1389 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1390 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1391 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1392 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1393 * testsuite/config/default.exp: New file.
1394 * testsuite/Makefile.am, Makefile.in: New files.
1396 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1398 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1399 (TESTS): Add fail22 and pass29 tests.
1400 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1401 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1402 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1403 values. Move __MF_VIOL* here.
1404 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1405 (check_initialization): New field in __mf_opts. Default off.
1406 (read_count,write_count): New fields in __mf_object.
1407 (__mf_check): Implement basic initialization checking.
1408 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1409 (__mf_describe_object): Print new fields.
1410 (__mf_violation): Identify check/read vs. check/write in messages.
1411 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1412 "-check-initialized" mudflap option.
1413 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1414 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1415 Drop __FILE__/__LINE__ hack. Update callers.
1416 (*): Adapt to new mf-runtime.h API.
1417 * Makefile.in: regenerated.
1419 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1421 * configure.in: Build mf-runtime.h a more proper way.
1422 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1423 * mf-runtime.c (verbose_violations): Turn on by default.
1424 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1425 * mf-impl.h: ... and move it here.
1426 * configure: Regenerated.
1428 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1430 * configure.in: Look for C++ compiler.
1431 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1432 fixed type warnings when built with C++.
1433 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1434 * Makefile.am (TESTS): Run them.
1435 (*) Add new rules for building and running C++ tests.
1436 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1437 * mf-runtime.h.in: Protect with extern "C".
1438 * Makefile, configure: Regenerated.
1440 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1442 Portability improvements.
1443 * configure.in: Look for glibc backtrace headers/functions.
1444 * mf-hooks.c: Don't include <execinfo.h> any more.
1445 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1447 (__mf_backtrace): Provide alternate baby implementation in
1449 * test/mf-driver.c: Portability tweaks.
1450 * acinclude.m4: New file, containing top level libtool.m4.
1451 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1453 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1455 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1457 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1459 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1461 (__mf_unregister): Implement stack/heap object wiping.
1462 (__mf_set_options): Renamed from __mf_process_opts.
1463 (__mf_uncache_object): Change arg type, correct callers.
1464 * mf-impl.h: Corresponding changes.
1465 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1466 * mf-runtime.h.in (__mf_set_options): Extend public API.
1467 * test/pass26-frag.c: New test for stack wiping.
1468 * Makefile.am (TESTS): Run it.
1469 * Makefile.in: Regenerated.
1471 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1473 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1474 * mf-runtime.c (__mf_object_t): Add watching_p field.
1475 (__mf_watch_or_not): New function to implement
1476 object watch flagging.
1477 (__mf_watch, __mf_unwatch): New wrappers for above.
1478 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1479 (__mf_count_violation): Enlarge array.
1480 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1481 unlink object. Clear cache properly.
1482 (__mf_unregister): Unlink object explicitly before uncaching.
1483 * test/fail21-frag.c, pass25-frag.c: New tests.
1484 * Makefile.in, aclocal.m4: Regenerated.
1486 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1488 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1489 * Makefile.am (TESTS): Add it.
1490 * test/pass-stratcliff.c: Add decls of stpcpy.
1491 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1492 build tree from config.h and new file mf-runtime.h.in.
1493 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1494 * Makefile.in, configure, config.h.in: Regenerated.
1495 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1496 * mf-runtime.c (options, __mf_set_default_options): Support new
1497 default "abbreviate" option.
1498 (__mf_object.description_epoch): New field.
1499 (__mf_describe_object): Conditionally abbreviate objects already
1500 displayed in current epoch. Accept NULL input to increment epoch.
1501 (__mf_fini, __mf_ini): Reset description epoch.
1502 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1503 that NULL pointer slot in lookup cache is invalidated. Register a
1504 NOACCESS region around NULL.
1505 * mf-impl.h: Corresponding changes.
1507 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1509 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1510 * Makefile.am: Run them. Install mf-runtime.h.
1511 * Makefile.in: Regenerated.
1512 * mf-hooks.c: Add some markers for more missing functions.
1513 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1514 statistic to tune tune cache size (mask).
1516 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1518 * test/pass23-frag.c: New test for bit_field_ref expressions.
1519 * Makefile.am, Makefile.in: Add new test.
1520 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1521 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1522 * mf-runtime.c (__mf_init): Register errno global.
1523 (__mf_find_object): Removed function.
1524 (__mf_check): Rewrite logic to support accesses across some
1525 contiguous but distinctly registered objects.
1526 (__mf_remove_old_object): Tolerate cache entries that span
1529 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1531 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1532 * Makefile.am, Makefile.in: Run new tests.
1533 * mf-hooks.c (alloca): Correct stack direction logic.
1535 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1537 * mf-impl.h (adapt_cache): New option.
1538 * mf-runtime.c (__mf_set_default_options): Set its default value.
1539 Tweak the tree_aging parameter down.
1540 (__mf_check): Maintain separate counter for cache-adaptation.
1541 (__mf_tree_analyze): New function to collect object tree stats.
1542 (__mf_adapt_cache): New function to automate cache parameters.
1544 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1546 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1547 hypothetical #if-0'd argv/envp region registration.
1548 * mf-runtime.c (__mf_init): Add kludged form of above.
1549 (*) Add "heur_argv_environ" flag, default on, to govern this.
1550 * mf-impl.h: Corresponding changes.
1552 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1554 * test/fail18-frag.c: New test file for NOACCESS regions.
1555 * Makefile.am (TESTS): Add new test.
1556 * Makefile.in: Regenerated.
1558 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1559 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1560 (optimize_object_tree): Remove unused mudflap_option.
1561 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1562 support throughout. Use .._MAX_CEM for cemetary upper bound.
1563 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1565 (__mf_object): Add new liveness field for use by tree aging.
1566 (__mf_check): Trigger tree aging when needed.
1567 (__mf_age_tree): New function to decay liveness field.
1568 (__mf_find_objects_rec): Use liveness field to rotate tree.
1569 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1570 (__mf_unregister): Ditto.
1571 (__mf_register): Tweak duplicate-static message.
1572 (__mf_violation: Tweak nearby-object counter printing.
1574 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1576 * test/pass20-frag.c: New test file.
1577 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1578 * Makefile.in: Regenerated.
1580 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1581 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1582 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1583 entries to avoid repeat registration.
1584 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1585 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1587 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1589 * Makefile.am: Create test sources with #include, not cat>>.
1590 * Makefile.in: Regenerated.
1591 * test/buildtest.sh: Removed.
1592 * test/driver.c (abort_handler, main): Be quiet.
1594 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1596 * test/pass18-frag.c, pass19-frag.c: New tests.
1597 * Makefile.am (check): Run them. Rebuild test programs each time.
1598 * Makefile.in: Regenerated.
1600 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1602 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1603 overlapping object search.
1604 (__mf_violation): Likewise for nearby objects.
1605 Improve nearby-object listing.
1608 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1609 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1611 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1614 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1615 (HOOKOBJS): Add alloca-hook.o.
1616 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1618 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1619 (__mf_backtrace): Reimplement without using alloca.
1620 * Makefile.in: Regenerated.
1623 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1624 Correct signedness bugs in length-tracking variables.
1625 * mf-impl.h: Make options unsigned.
1626 (CALL_WRAP): New macro to parallel CALL_REAL().
1627 (DECLARE): Remove erroneous ";" at end.
1628 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1629 formatting specs with %08lx. Correct several compiler warnings.
1631 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1633 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1635 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1637 libmudflap hook breakup:
1638 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1640 (TESTS): Make dependent on libmudflap.
1641 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1642 compiled from segments of mf-hooks.c.
1643 * mf-hooks.c: Corresponding changes: wrap each function in
1645 * Makefile.in: Regenerated.
1647 Heuristics reorganization:
1648 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1649 Remove these functions. Update callers.
1650 (__mf_heuristic_check): Incorporate all the various heuristics.
1651 Encode cacheability/retry judgement into trinary return value.
1652 Separate start-end logic into a separate fallback heuristic. Only
1653 register relevant /proc/self/map segments.
1654 * mf-impl.h: Corresponding changes.
1655 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1656 (__mf_init): Don't call __mf_init_heuristics.
1659 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1660 "-verbose-trace" to emit all tracing messages other than those of
1661 basic public api. Eliminate some duplicate/excessive messages.
1662 * mf-runtime.h: Corresponding changes.
1664 2002-08-27 Graydon Hoare <graydon@redhat.com>
1666 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1667 and __real when compiled with -DPIC.
1668 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1669 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1670 * Makefile.in: Regenerate.
1672 2002-08-26 Graydon Hoare <graydon@redhat.com>
1674 * mf-impl.h: New file, private implementation header.
1675 * mf-runtime.h: Reorganize a bit.
1676 (CLAMPSZ): Fix arithmetic.
1677 (__MF_CACHE_MISS_P): Fix arithmetic.
1678 * mf-runtime.c: Reorganize a bit.
1679 (__mf_dynamic): New structure.
1680 (resolve_single_dynamic): New function.
1681 (__mf_resolve_dynamics): New function.
1682 (__mf_init): Initialize dynamic wrappers.
1683 * mf-hooks.c: Macro-ize __real calls.
1684 Clamp various bits of arithmetic.
1685 Add explicit __mf_check call contexts.
1686 * Makefile.am: Add dependencies on mf-impl.h
1687 * Makefile.in: Regenerate.
1688 * configure.in: Comment out shared override.
1689 * configure: Regenerate.
1691 2002-08-22 Graydon Hoare <graydon@redhat.com>
1693 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1694 (__mf_check): Re-inialize and check heuristics before violation.
1695 (__mf_register): Permit updating pure-guess regions.
1696 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1697 (__wrap_dlopen): New wrapper function.
1698 (__wrap_mmap): New wrapper function.
1699 (__wrap_munmap): New wrapper function.
1700 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1701 which are not stack addresses.
1702 (is_stack_address): New function.
1703 (__mf_init_heuristics): Save and restore state, always initialize with
1706 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1708 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1709 error. Pass location string.
1710 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1711 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1712 (__mf_process_opts): Apply some sanity checking for lc-mask.
1713 (__mf_check, __mf_violation): Take new location-string argument.
1714 Update callers to pass NULL if necessary.
1715 (__mf_backtrace): New smart backtracer function. Calls replace
1716 several ad-hoc blocks elsewhere.
1717 (__mf_describe_object): Remove bad reentrancy test. Improve
1719 * mf-runtime.h: Corresponding changes. Public/private markup.
1720 (__MF_CACHE_MISS_P): New macro.
1722 2002-08-20 Graydon Hoare <graydon@redhat.com>
1724 * mf-runtime.h: New option: stack_bound (heuristic).
1725 Move some macros out of implementation files.
1726 * mf-runtime.c: New option string: -stack-bound.
1727 Unify recursion protection with hooks.
1729 (__mf_check): Call __mf_heuristic_check.
1730 (__mf_process_opts): Fix "no-" processing.
1731 * mf-heuristics.c (__mf_heuristic_check): New function.
1732 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1734 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1736 Option parsing improvements, region splitting bug fixes:
1737 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1738 * mf-runtime.h (heur_proc_map): New libmudflap option.
1739 * mf-runtime.c (__mf_set_default_options): Set it.
1740 (__mf_usage): Print default values/status.
1741 (__mf_process_opts): Support general "no-" option string prefix.
1742 (__mf_init): Print __mf_usage on unknown-option error.
1743 (__mf_register): Print trace message up front.
1744 Correct region splitting logic for case where a subregion disappears.
1745 Correct memory leak.
1746 (__mf_violation): Make even basic message conditional on option.
1749 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1750 (clean-local): New target.
1751 (test/*x rules): Add -g CFLAGS.
1752 (CFLAGS): Add -freorder-blocks.
1753 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1754 * Makefile.in: Regenerated.
1755 * Makefile, mf-config.h: Removed files.
1757 2002-08-16 Graydon Hoare <graydon@redhat.com>
1759 * mf-runtime.c (__mf_insert_new_object): Factor out of
1761 (__mf_remove_old_object): Factor out of __mf_unregister.
1762 (__mf_register): Handle guessed regions, splitting
1763 guesses when new registrations arrive.
1764 (__mf_unregister): Do not unregister guesses.
1765 * mf-runtime.h: Move convenience macros around,
1766 declare new option fields. Add __MF_TYPE_GUESS.
1767 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1768 (__wrap_free): Call __real_free for deferred frees.
1769 * Makefile.am: Add more tests, fix dependency.
1770 * Makefile.in: Regenerate.
1771 * test/pass[13..17]-frag.c: New testcases.
1772 * test/fail[13..17]-frag.c: New testcases.
1774 2002-08-15 Graydon Hoare <graydon@redhat.com>
1776 * mf-heuristics.c: New file.
1777 * mf-runtime.c (options): Add -trace-calls option.
1778 (__mf_init): Call __mf_init_heuristics.
1780 2002-08-14 Graydon Hoare <graydon@redhat.com>
1782 * Makefile.am (TESTS): Add testsuite support.
1783 * Makefile.in: Regenerate.
1784 * test/mf-driver.c: New file.
1785 * test/buildtest.sh: New file.
1786 * test/passNN-frag.c: New testcases.
1787 * test/failNN-frag.c: New testcases.
1789 2002-08-14 Graydon Hoare <graydon@redhat.com>
1791 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1792 verifying non-size-limited string extents.
1794 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1796 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1797 instead of plain str[n]len for internal checks.
1798 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1800 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1802 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1804 2002-08-13 Graydon Hoare <graydon@redhat.com>
1806 * mf-runtime.c: Rework configuration to operate on
1807 environment variable options rather than #defines
1808 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1809 (__mf_init): Set static __mf_active_p flag on startup,
1810 to inhibit mudflap wrap-based checking during crt0.s.
1811 * mf-runtime.h: Declare options structure.
1812 * mf-hooks.c: New wrappings for mem*, b*, str*
1813 libc functions (temporarily #if 0-ed out).
1815 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1817 * Makefile.am, configure.in: New files.
1818 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1819 * stamp-h.in, aclocal.m4: Ditto.
1821 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1823 * Makefile: New file.
1824 * mf-config.h: New file: runtime configuration.
1825 * mf-hooks.c: New file: interposed libc functions.
1826 * mf-runtime.c: New file: bulk of runtime.
1827 * mf-runtime.h: New file: public functions.
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