1 2009-07-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3 * configure.ac (_AC_ARG_VAR_PRECIOUS): Use m4_rename_force.
5 2009-07-16 Joseph Myers <joseph@codesourcery.com>
7 * configure: Regenerate.
9 2009-07-11 Richard Sandiford <rdsandiford@googlemail.com>
14 * testsuite/lib/libmudflap.exp: Revert 2009-06-30 commit.
16 2009-07-01 Richard Guenther <rguenther@suse.de>
18 PR tree-optimization/19831
19 * testsuite/libmudflap.c/fail11-frag.c: Make allocated memory
21 * testsuite/libmudflap.c/fail12-frag.c: Likewise.
22 * testsuite/libmudflap.c/fail16-frag.c: Likewise.
23 * testsuite/libmudflap.c/fail31-frag.c: Likewise.
25 2009-06-30 Richard Sandiford <r.sandiford@uk.ibm.com>
27 * testsuite/lib/libmudflap.exp (libmudflap-init): Don't add "."
28 to ld_library_path. Use add_path. Add just find_libgcc_s to
29 ld_library_path, not every libgcc multilib directory.
31 2009-04-09 Nick Clifton <nickc@redhat.com>
33 * mf-hooks1.c: Change copyright header to refer to version 3
34 of the GNU General Public License with version 3.1 of the GCC
35 Runtime Library Exception and to point readers at the COPYING3
36 and COPYING3.RUNTIME files and the FSF's license web page.
37 * mf-heuristics.c: Likewise.
38 * mf-hooks2.c: Likewise.
39 * mf-hooks3.c: Likewise.
40 * mf-impl.h: Likewise.
41 * mf-runtime.c: Likewise.
42 * mf-runtime.h: Likewise.
44 2009-04-09 Jakub Jelinek <jakub@redhat.com>
46 * testsuite/lib/mfdg.exp: Change copyright header to refer to
47 version 3 of the GNU General Public License and to point readers
48 at the COPYING3 file and the FSF's license web page.
49 * testsuite/lib/libmudflap.exp: Likewise.
51 2009-03-31 Ben Elliston <bje@au.ibm.com>
54 * testsuite/libmudflap.c/fail27-frag.c: Match `mudflap dead
55 object', not `mudflap object'.
57 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
59 * configure: Regenerate.
61 2009-02-03 Jakub Jelinek <jakub@redhat.com>
63 * mf-runtime.c (__mf_usage): Update copyright notice dates.
65 2009-01-23 Jie Zhang <jie.zhang@analog.com>
67 * mf-impl.h (__mf_get_state, __mf_set_state): Don't use
68 __thread when TLS support is emulated.
69 * mf-hooks3.c (__mf_get_state, __mf_set_state): Likewise.
70 * mf-runtime.c (__mf_state_1): Likewise.
71 * configure.ac: Use GCC_CHECK_EMUTLS.
72 * configure: Regenerate.
73 * config.h.in: Regenerate.
75 2008-12-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
77 * configure: Regenerate.
79 2008-11-26 Janis Johnson <janis187@us.ibm.com>
82 * testsuite/lib/mfdg.exp (dg-test): Use new timeout support.
84 (standard-wait): Remove.
85 * testsuite/lib/libmudflap.exp: Include new timeout library files.
86 (libmudflap_target_compile): Set timeout value from new proc.
88 2008-11-10 Jakub Jelinek <jakub@redhat.com>
91 * testsuite/libmudflap.c/pass67-frag.c: New test.
93 2008-10-09 Jakub Jelinek <jakub@redhat.com>
96 * testsuite/libmudflap.c++/pass66-frag.cxx: New test.
98 2008-09-26 Peter O'Gorman <pogma@thewrittenword.com>
99 Steve Ellcey <sje@cup.hp.com>
101 * configure: Regenerate for new libtool.
102 * Makefile.in: Ditto.
103 * testsuite/Makefile.in: Ditto.
105 2008-09-15 Jakub Jelinek <jakub@redhat.com>
108 * testsuite/libmudflap.c/pass64-frag.c: New test.
110 2008-06-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
112 * Makefile.in: Regenerate.
113 * config.h.in: Regenerate.
114 * configure: Regenerate.
115 * testsuite/Makefile.in: Regenerate.
117 2008-04-18 Paolo Bonzini <bonzini@gnu.org>
120 * aclocal.m4: Regenerate.
121 * configure: Regenerate.
123 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
125 * testsuite/libmudflap.c/pass63-frag.c: New test.
127 2008-03-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
129 * aclocal.m4: Regenerate.
130 * configure: Likewise.
131 * Makefile.in: Likewise.
132 * testsuite/Makefile.in: Likewise.
134 2008-03-02 Jakub Jelinek <jakub@redhat.com>
136 * mf-runtime.c (__mf_usage): Update copyright notice dates.
138 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
140 * testsuite/libmudflap.c/fail8-frag.c: Adjust scan pattern for
142 * testsuite/libmudflap.c/fail9-frag.c: Ditto.
144 2008-01-24 David Edelsohn <edelsohn@gnu.org>
146 * configure: Regenerate.
148 2008-01-05 Jakub Jelinek <jakub@redhat.com>
150 PR tree-optimization/34618
151 * testsuite/libmudflap.c/pass62-frag.c: New test.
153 2008-01-03 Jakub Jelinek <jakub@redhat.com>
156 * testsuite/libmudflap.c++/pass61-frag.cxx: New test.
158 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
161 * testsuite/libmudflap.c++/pass60-frag.cxx: New test.
163 2007-10-15 Maciej W. Rozycki <macro@linux-mips.org>
165 * configure: Regenerate following changes to ../config/tls.m4.
167 2007-07-26 Tom Tromey <tromey@redhat.com>
169 * Makefile.in: Rebuilt.
170 * Makefile.am (clean-local): Removed.
171 (pth/mf-runtime.lo, pth/mf-heuristics.lo, pth/mf-hooks1.lo,
172 pth/mf-hooks2.lo, pth/mf-hooks3.lo): Likewise.
173 (libmudflapth_la_SOURCES): List sources.
174 (libmudflapth_la_LIBADD): Clear.
175 (libmudflapth_la_CFLAGS): New variable.
177 2007-07-05 H.J. Lu <hongjiu.lu@intel.com>
179 * aclocal.m4: Regenerated.
181 2007-06-02 Paolo Bonzini <bonzini@gnu.org>
183 * configure: Regenerate.
185 2007-05-31 Frank Ch. Eigler <fche@redhat.com>
187 From Andi Kleen <ak@suse.de>:
188 * mf-runtime.c (options): Rename structure for compatibility with
191 2007-05-23 Steve Ellcey <sje@cup.hp.com>
193 * Makefile.in: Regenerate.
194 * configure: Regenerate.
195 * aclocal.m4: Regenerate.
196 * testsuite/Makefile.in: Regenerate.
198 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
200 * testsuite/libmudflap.cth/pass59-frag.c (main): Fix casting of arg.
202 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
204 * Makefile.am: Add dummy install-pdf target.
205 * Makefile.in: Regenerate
207 2007-02-07 Jakub Jelinek <jakub@redhat.com>
210 * configure: Regenerate.
212 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
214 * configure: Regenerate.
216 2006-11-13 Daniel Jacobowitz <dan@codesourcery.com>
218 * configure: Regenerated.
220 2006-11-10 Frank Ch. Eigler <fche@redhat.com>
223 * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
224 static but not function scope static.
225 (free): Skip deallocation attempts for objects placed into
227 * testsuite/libmudflap.cth/pass59-frag.c: New test.
229 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
231 From Herman ten Brugge <hermantenbrugge@home.nl>:
232 * mf-runtime.c (__mf_uncache_object): Optimize the code so that
233 small and large objects are handled a lot faster.
235 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
237 * configure.ac (__libc_freeres): Look for it.
238 * mf-impl.h (call_libc_freeres): New configuration flag.
239 * mf-runtime.c (__mf_set_default_options): Set it by default.
240 (__mfu_report): Call it if needed.
241 (__mfu_unregister): Remove "unaccessed registered object" warning.
242 * configure, config.h.in: Regenerated.
244 2006-09-18 Tom Tromey <tromey@redhat.com>
246 * configure: Rebuilt.
248 2006-06-21 Frank Ch. Eigler <fche@redhat.com>
251 mf-runtime.h installation based on ssp patch for PR 26473 from
252 Mark Mitchell <mark@codesourcery.com>.
253 * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
254 * Makefile.am (target_noncanonical): Define.
255 (libsubincludedir): New variable.
256 (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
257 (include_HEADERS): Remove.
258 * configure, aclocal.m4, config.h.in: Regenerated.
259 * Makefile.in, testsuite/Makefile.in: Likewise.
260 * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
261 and _THREAD_SAFE redefinition values.
263 2006-05-23 Carlos O'Donell <carlos@codesourcery.com>
265 * Makefile.am: Add install-html target. Add install-html to .PHONY
266 * Makefile.in: Regenerate.
268 2006-04-19 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
271 * testsuite/libmudflap.c++/error1-frag.cxx: New test.
274 * testsuite/libmudflap.c++/error2-frag.cxx: New test.
276 2006-04-10 Matthias Klose <doko@debian.org>
278 * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
279 directory names containing underscores.
281 2005-11-22 Janis Johnson <janis187@us.ibm.com>
283 * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
284 MUDFLAP_FLAGS if static library not supported.
285 * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
286 * testsuite/libmudflap.c/externs.exp: Ditto.
287 * testsuite/libmudflap.c++/ctors.exp: Ditto.
288 * testsuite/libmudflap.c++/c++frags.exp: Ditto.
289 * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
291 2005-10-04 James E Wilson <wilson@specifix.com>
293 * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
294 $name as array of characters with unknown bound. Also store into the
296 * configure: Regenerate.
298 2005-09-30 James E. Wilson <wilson@specifix.com>
300 * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
302 (target_thread_file): New. Set from sed'ed gcc output.
303 (posix_threads): New. Set from target_thread_file. Use instead of
305 (pthread_create_version): Move initialization before code using it.
306 * configure: Regenerate.
308 * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
311 2005-09-29 James E. Wilson <wilson@specifix.com>
313 * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
314 with HAVE_MMAP ifdef.
316 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
319 * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
321 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
323 * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
325 2005-09-23 Tom Tromey <tromey@redhat.com>
327 * aclocal.m4, configure: Rebuilt.
328 * configure.ac: Use GCC_CHECK_TLS.
329 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
332 2005-08-22 Jim Wilson <wilson@specifix.com>
334 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
335 __FreeBSD__ is defined.
337 2005-08-17 Jim Wilson <wilson@specifix.com>
339 * mf-hooks1.c (malloc, calloc, realloc, free,
340 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
341 the real routines, and END_MALLOC_PROTECT afterwards.
342 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
343 (BEGIN_PROTECT): Handle in_malloc state.
344 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
345 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
347 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
349 * All files: Update FSF address.
351 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
353 * mf-hooks3.c (main_seen_p): Remove.
354 (__mf_get_state): Remove attempt to recognize the main thread.
356 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
358 * configure.ac: Test for the name of the symbol used for the entry
359 point; define ENTRY_POINT to the result.
360 * configure: Regenerate.
361 * config.h.in: Regenerate.
362 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
364 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
366 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
367 (__mf_init): Set thread state active.
368 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
370 (pthread_create wrapper): Always use thread spawner.
372 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
373 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
375 2005-07-16 Richard Henderson <rth@redhat.com>
377 * acinclude.m4: New file.
378 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
379 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
380 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
381 (__mf_0fn_calloc): ... here.
382 * mf-hooks3.c (struct pthread_info): Remove.
383 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
384 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
385 (struct mf_thread_data): New.
386 (mf_thread_data, mf_thread_data_lock): New.
387 (__mf_allocate_blank_threadinfo): Remove.
388 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
390 (__mf_state_perthread): Remove.
391 (__mf_get_state, __mf_set_state): New.
392 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
393 Update mf_thread_data killing procedure.
394 (__mf_pthread_spawner): Similarly.
395 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
396 code to allocate thread stack space.
397 (__mf_0fn_pthread_join, pthread_join): Remove.
398 (__mf_0fn_pthread_exit, pthread_exit): Remove.
399 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
400 (__mf_state_1): Rename from __mf_state; use TLS when available.
401 (__mf_get_state, __mf_set_state): New. Update all users.
402 * mf-runtime.c (begin_recursion_protect1): New.
403 (BEGIN_RECURSION_PROTECT): Use it.
404 (__mf_state_1): Rename from __mf_state; use TLS when available.
405 (threads_active_p): Remove.
406 (__mf_usage): Compute it directly.
408 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
410 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
412 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
414 Fix for uncaching bug reported by Herman ten Brugge.
415 * mf-runtime.c (__mf_uncache_object): Search whole cache.
416 * testsuite/libmudflap.c/fail40-frag.c: New test.
418 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
421 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
422 * Makefile.in: Amend.
424 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
427 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
428 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
430 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
433 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
435 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
438 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
439 unsigned vars with #defines instead of enums.
441 2005-05-09 Mike Stump <mrs@apple.com>
443 * configure: Regenerate.
445 2005-04-12 Mike Stump <mrs@apple.com>
447 * configure: Regenerate.
449 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
452 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
453 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
455 2005-04-04 Alan Modra <amodra@bigpond.net.au>
457 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
459 2005-03-31 Mike Stump <mrs@apple.com>
461 * mf-runtime.h: Add libmudflap copyright clause.
463 2005-03-21 Mike Stump <mrs@apple.com>
465 * mf-heuristics.c: Fix whitespace at end of line.
466 * mf-hooks1.c: Likewise.
467 * mf-hooks2.c: Likewise.
468 * mf-hooks3.c: Likewise.
469 * mf-impl.h: Likewise.
470 * mf-runtime.c: Likewise.
471 * mf-runtime.h: Likewise.
473 2005-03-21 Zack Weinberg <zack@codesourcery.com>
475 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
476 In all substitutions, expand gcc_version in Makefile.
477 * aclocal.m4, configure: Regenerate.
478 * Makefile.am: Set gcc_version.
479 * Makefile.in, testsuite/Makefile.in: Regenerate.
481 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
483 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
484 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
486 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
489 * testsuite/libmudflap.c++/pass55-frag.c: New test.
491 2005-01-05 Richard Henderson <rth@redhat.com>
493 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
495 2005-01-02 Greg McGary <greg@mcgary.org>
497 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
498 * mf-runtime.h: New file, replaces mf-runtime.h.in.
499 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
500 * Makefile.in: Ditto.
501 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
502 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
503 * testsuite/libmudflap.c/fail36-frag.c: New test.
504 * testsuite/libmudflap.c/fail37-frag.c: New test.
505 * testsuite/libmudflap.c/fail38-frag.c: New test.
507 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
509 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
510 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
512 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
514 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
515 * aclocal.m4: Include ../config/gcc-version.m4.
516 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
518 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
520 * Makefile.am: Define ACLOCAL_AMFLAGS.
521 * acinclude.m4: Remove.
522 * stamp-h.in: Remove superfluous stamp file.
523 * aclocal.m4, configure, Makefile.in: Regenerate.
524 * testsuite/Makefile.in: Likewise.
526 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
528 * Makefile.am: Revert previous.
529 * acinclude.m4: Restore.
530 * aclocal.m4, configure, Makefile.in: Regenerate.
531 * testsuite/Makefile.in: Likewise.
533 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
535 * Makefile.am: Define ACLOCAL_AMFLAGS.
536 * acinclude.m4: Remove.
537 * aclocal.m4, configure, Makefile.in: Regenerate.
538 * testsuite/Makefile.in: Likewise.
540 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
542 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
544 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
546 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
547 * testsuite/Makefile.in: Likewise.
549 2004-11-01 Andreas Schwab <schwab@suse.de>
551 * configure.ac: (target_alias): Default to $host_alias, not
553 * configure: Regenerated.
555 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
557 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
558 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
561 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
564 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
566 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
568 * configure.ac: Check for more headers, functions.
569 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
570 tracking overridden FILE buffers.
571 (fopen, setvbuf): New/revised hook functions for buffer overriding.
572 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
573 (fflush): Accept given NULL stream (means "all streams").
575 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
577 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
578 (__mf_adapt_cache): Use them all.
579 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
580 * testsuite/libmudflap.c++/ctors.exp: Ditto.
581 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
582 * configure, config.h.in: Regenerated.
584 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
586 * configure.ac: Checking for sys/socket.h once is enough.
587 * configure: Regenerated.
589 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
591 * configure.ac: Look for more headers & functions.
592 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
593 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
594 * mf-runtime.c (options): Clean up integer signedness warnings.
595 (main): Add a declaration to fix a warning.
596 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
597 * configure, config.h.in: Regenerated.
599 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
601 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
602 New tests for proper base/limit checking for aggregates.
604 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
606 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
608 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
610 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
611 * mf-hooks2.c (strerror): Unregister previous string returned by
613 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
614 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
615 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
616 * mf-runtime.c (__mf_describe_object): Clarify object life status.
617 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
619 * configure, config.h.in: Regenerated.
621 2004-08-03 Dale Johannesen <dalej@apple.com>
623 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
625 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
627 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
628 simplified contents in all former callers.
630 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
632 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
633 the statically linked case.
635 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
637 * splay-tree.[ch]: Remove. Merge contents into ...
638 * mf-runtime.c: ... here, renaming symbols and making all functions
639 static. Remove unused min/max functions.
640 * Makefile.am: Forget about splay-tree.[ch].
641 * Makefile.in, testsuite/Makefile.in: Regenerated.
643 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
645 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
646 (__mfu_usage): Include (C) 2004.
647 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
648 here. Include a comment explaining why.
650 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
652 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
653 * mf-runtime.c (options): Give them a name.
654 (__mf_set_default_options): Set them.
655 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
656 (__mf_violation): Warning cleanup.
657 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
658 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
660 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
663 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
666 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
668 Test case for g++/15861
669 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
670 * testsuite/libmudflap.c++/ctors.exp: Driver.
671 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
672 Look only for *frag* test cases.
674 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
676 ANSI C conversion, libmudflap specialization, recursion limiting.
677 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
678 argument and indirection function pointers, update callers.
679 (splay_tree_s): Add statistics and recursion control fields
680 num_keys, max_depth, depth, rebalance_p.
681 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
682 Back out of search if it exceeds limit.
683 (splay_tree_splay): Manage recursion limiting with rebalancing as
685 (splay_tree_new): More initialization.
686 (splay_tree_rebalance): New function.
687 (splay_tree_foreach): Rewrite using nonrecursive logic.
688 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
689 Remove. Point indirect calls to mf-runtime.c's routines.
690 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
692 (splay_tree_delete, splay_tree_delete_helper): Ditto.
693 * testsuite/heap-scalestress.c: New test based on one from
694 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
696 2004-07-05 Matthias Klose <doko@debian.org>
698 * libtool-version: New.
699 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
700 Use -version-info for soname.
701 * Makefile.in: Regenerate.
702 * configure.ac: Remove libtool_VERSION macro
703 * configure: Regenerate
705 2004-07-05 Zack Weinberg <zack@codesourcery.com>
707 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
708 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
711 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
713 Splay tree implementation fork.
714 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
715 Use hard-coded comparison function for uintptr_t. Remove key/value
716 deallocation logic. Cache last splayed key for consecutive lookups.
717 * Makefile.am, Makefile.in: Use them, don't link to them.
718 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
719 (__mf_find_objects2): Flip successor/predecessor search sequence.
720 * ansidecl.h, libiberty.h: Removed dummy files.
722 2004-06-29 Nick Clifton <nickc@redhat.com>
724 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
725 * configure: Regenerate.
726 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
728 Remove spurious inclusion of <strings.h>.
730 2004-06-29 Nick Clifton <nickc@redhat.com>
732 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
733 function actually exists.
735 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
737 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
738 * config.h.in: Regenerated.
740 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
742 Adopt splay trees for object database.
743 * Makefile.am: Copy splay-tree.* from libiberty.
744 * Makefile.in, testsuite/Makefile.in: Regenerated.
745 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
746 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
747 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
748 * mf-runtime.c: Rewrite code dealing with object database to use
749 libiberty splay trees. Remove tree liveness aging option.
750 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
752 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
754 * configure.ac: New name of configure.in. Update
755 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
756 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
757 Autoconf 2.5x and Automake 1.7 or later.
758 * configure.in: Remove.
759 * configure: Regenerate.
761 * Makefile.am: Remove useless multilib rules.
762 * Makefile.in: Regenerate.
764 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
766 * .cvsignore: New file.
768 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
771 * mf-hooks2.c (semctl): Add cygwin porting hack.
773 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
776 * configure.in: Look for ctype header and glibc implementation.
777 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
778 array hooks for glibc 2.3.
779 * mf-runtime.h.in: Wrap them.
780 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
782 * testsuite/libmudflap.c/pass47-frag.c: New test.
783 * configure, config.h.in: Regenerated.
785 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
787 Portability improvements, e.g., libmudflap/15293.
788 * configure.in: Look for glibc extension functions. Look for
789 support of -f{function,data}-sections. Look for more headers.
790 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
791 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
792 mf-hooks* into usual single object per source.
793 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
794 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
795 if system doesn't provide one.
796 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
797 (pthread_create): Use it to properly GC dead thread stacks.
798 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
799 * testsuite/Makefile.am: Stop generating site.exp.
800 * testsuite/mfconfig.exp.in: New file.
801 * testsuite/config/default.exp: Load new mfconfig.exp.
802 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
803 (prune_gcc_output): Add glibc static linking warnings.
804 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
805 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
806 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
807 Regenerated with autoconf 2.57 and automake 1.7.
809 2004-06-04 Per Bothner <per@bothner.com>
811 * configure.in (LIBMUDFLAPTH): Fix thinko.
813 * configure.in: Check for more headers.
814 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
816 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
817 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
819 2004-06-01 Andreas Jaeger <aj@suse.de>
821 * configure.in: Handle multilibs, support
822 --enable-version-specific-runtime-libs.
823 * Makefile.am (lib_LTLIBRARIES): Rename to ...
824 (toolexeclib_LTLIBRARIES): this for multilib support.
825 * Makefile.in: Regenerated.
826 * configure: Regenerated.
827 * aclocal.m4: Regenerated.
828 * config.h.in: Regenerated.
829 * testsuite/Makefile.in: Regenerated.
831 2004-06-01 Andreas Jaeger <aj@suse.de>
833 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
834 multilibs, using multilib directory instead of hardcoded path.
837 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
839 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
840 * Makefile.in: Ditto.
842 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
844 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
845 * aclocal.m4, configure: Rebuilt.
847 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
849 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
850 import some build settings from libstdc++-v3 testsuite_flags.
851 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
852 changes to pass test language.
854 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
855 quicker mode-nop handling.
857 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
859 * mf-impl.h: Added libgcc license header.
861 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
863 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
864 Added libgcc license header.
865 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
866 (pthread_create): Simplify stack allocation syntax.
868 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
870 * mf-hooks2.c: Support FreeBSD.
871 (WRAP_gets): Avoid gets().
872 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
873 test unimplemented mem/str calls on FreeBSD.
874 * testsuite/libmudflap.c/pass21-frag.c: Do not include
875 <alloca.h> on FreeBSD.
877 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
879 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
880 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
881 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
882 flags for static linking permutation.
883 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
884 some pthreads code that croaks on linux glibc tls.
886 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
888 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
890 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
892 * testsuite/libmudflap.c/pass44-frag.c: New test.
894 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
896 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
898 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
900 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
902 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
904 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
906 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
909 * configure.in: Add check for see if
910 socklen_t typedef is in sys/socket.h.
911 * mf-hooks1.c: Add define if socklen_t
913 * mf-hooks2.c: Likewise.
914 * mf-hooks3.c: Likewise.
915 * config.h.in: Regen.
918 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
920 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
921 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
923 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
924 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
925 (unoptimized) allocation of stack space.
927 2003-12-07 Richard Henderson <rth@redhat.com>
929 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
930 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
932 2003-12-06 Andrew Pinski <apinski@apple.com>
934 partial PR libmudflap/12670
935 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
936 * mf-hooks2.c: Likewise.
937 * mf-hooks3.c: Likewise.
939 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
942 * mf-runtime.h.in: Switch to #pragma redefine_extname for
943 symbols interposed at compile time.
944 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
947 * mf-hooks2.c (semctl): Tolerate FreeBSD.
949 * configure.in: Reorganize check for <pthread.h>.
950 * configure: Regenerated.
952 2003-11-04 David Edelsohn <edelsohn@gnu.org>
954 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
955 (_LARGE_FILE_API): Define for AIX.
956 * mf-hooks[123]: Same.
957 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
959 2003-10-21 David Edelsohn <edelsohn@gnu.org>
961 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
963 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
965 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
967 * configure.in: Update check for union semun.
969 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
972 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
974 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
977 * configure.in: Add checks for 64-bit LFS functions, struct semun
978 definition, for BSD compatibility.
979 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
980 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
981 * mf-hooks3.c: Ditto.
982 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
984 * configure, config.h.in: Regenerated.
986 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
988 Multithreading fixes:
989 * mf-runtime.c (__mf_object): Store allocating/deallocating
991 (options): Support new "-thread-stack" option.
992 Rename "-heur-argv-environ" option to "-heur-stdlib".
993 Disable "-lc-mask" and "-lc-shift" options.
994 (__mf_dynamic): Add function pointers for pthread_join/_exit.
995 (__assert_fail): New self-contained function for glibc.
996 * mf-hooks3.c: Essentially rewritten, particularly related to
997 use of __mf_pthread_info array.
998 (pthread_join, _exit): New hook functions.
999 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
1000 * testsuite/libmudflap.cth/pass40-frag.c: New test.
1003 * mf-heuristics.c: Add type casts for tracing, sub calls.
1004 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
1005 Update all callers to declare explicit result holder.
1006 (END_PROTECT): Removed.
1007 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
1009 2003-07-15 Diego Novillo <dnovillo@redhat.com>
1011 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
1012 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1013 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1015 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
1017 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
1018 * mf-hooks: Removed.
1019 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
1020 Move these macros from old mf-hooks.c here.
1021 * Makefile.am: Adapt to split-up hook sources for faster builds.
1022 * Makefile.in: Regenerated.
1024 * mf-heuristics.c: Remove #if-0 block.
1026 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
1027 (__mf_starting_p): New state only for use while dlsym bootstrapping.
1028 (CALL_REAL, __mf_init): Corresponding changes.
1029 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
1030 all callers to remove redundant "mf:" prefix.
1031 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
1032 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
1033 (__mf_pthread_info): Become a hash table.
1035 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
1036 "dg-repetitions" directives to control test case execution.
1037 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
1039 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
1041 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
1043 * mf-hooks.c (alloca): Separate into stub.
1044 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
1045 malloc/free for alloca blocks.
1046 (pthread_create): Tolerate failing pthread_attr_get* calls.
1047 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
1048 * mf-impl.h (CALL_WRAP): Remove macro.
1049 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
1050 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
1051 padding for ia64 BIT_FIELD_REF constructs.
1053 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
1055 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
1056 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
1057 libmudflap object type.
1058 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
1059 crashes on unregistering STATIC objects.
1061 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
1063 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
1064 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
1065 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
1066 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
1067 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
1068 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
1069 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
1070 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
1071 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
1072 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
1073 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
1074 (accept, bind, connect, gethostname, sethostname): New hooks.
1075 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
1076 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
1077 (semop, semctl, shmctl, shmat, shmdt): New hooks.
1078 * mf-runtime.h.in: Corresponding changes.
1079 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
1080 (opts) Rename heur_argv_environ to heur_std_data.
1081 (__mf_wrap_main): Use STATIC type for argv/environ strings.
1082 * Makefile.am: Corresponding changes.
1083 * Makefile.in: Regenerated.
1085 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
1087 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
1088 heuristic for threaded case, and for non-x86-linux targets.
1089 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
1090 for use during pre-main() program startup.
1091 (__mf_0fn_*): Make these functions non-static.
1092 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
1094 * mf-runtime.c (__mf_state): Set initial state to "starting".
1095 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
1096 (__wrap_main): New function to register argv[] and environ[] strings.
1097 (__mf_ini): Call it.
1098 (*): In all trace functions, use "%p" as formatter for uintptr_t.
1100 * testsuite/libmudflap.c/pass38-frag.c: New test case.
1101 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
1103 * acinclude.m4: Add comments with aoliva's concerns about x86_64
1105 * aclocal.m4, configure: Regenerated.
1107 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
1109 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
1110 * aclocal.m4, configure: Regenerated.
1112 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
1114 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
1115 for x86_64 target. Disable caching for this value.
1116 * aclocal.m4, configure: Regenerated.
1118 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
1120 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
1121 is about to become deprecated, and its present handling bugs are
1124 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
1126 * testsuite/libmudflap.c/pass38-frag.c: New test for
1129 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1131 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
1132 __mf_report, asserting reentrant calling context.
1134 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1136 * mf-hooks.c (realloc): Correct reentrancy logic.
1137 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
1139 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
1141 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
1142 PTHREAD_THREADS_MAX. Update users.
1143 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
1145 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
1146 with libmudflapth presence indicator.
1147 * testsuite/Makefile.in: Regenerated.
1149 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
1151 * Makefile.am (AM_CFLAGS): Remove "-ansi".
1152 * configure.in: Remove silly no-pthreads => no-shared logic.
1153 * Makefile.in, configure: Regenerated.
1154 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
1155 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
1156 code. Count reentrancy events.
1157 (all hook functions): Don't directly manipulate __mf_state variable.
1158 Add TRACE calls to hook functions without them.
1159 * mf-impl.h (LOCKTH): Try to count lock contention events.
1160 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
1161 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
1162 Reorganize reentrancy code.
1163 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
1164 identify reentrancy with mutex holding times.
1165 (internal __mfu_ entry points): Remove internal reentrancy code.
1166 (__mf_init): Use ordinary locked calls.
1167 (__mfu_report): Print the two new counts.
1168 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
1169 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
1170 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
1171 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
1174 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
1176 * configure.in: Add pthread support, plus glibc and porting hacks.
1177 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
1178 from objects built into ./pth/.
1179 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
1180 functions for internal entry points. Update callers to pick
1181 locked vs. unlocked variants.
1182 (__mf_resolve_single_dynamic): Extend to support symbol versioning
1183 info coming in from a static data structure.
1184 (*): Reorder miscellaneous declarations to group data vs functions.
1185 (__mf_set_default_options): Simplify.
1186 (__mf_usage): Mention threading status of host executable.
1187 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
1188 decls to match above.
1189 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
1190 * mf-heuristics.c: Choose between locked/unlocked calls. Add
1191 some lock/unlock markers. Remove some unused code.
1193 (pthread_create): New hook function.
1194 (__mf_pthread_cleanup, _spawner): New helper functions.
1195 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
1197 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
1199 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
1201 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
1203 * Makefile.am (HOOKOBJS): Add *time related hooks.
1204 * configure.in: Look for pthreads.h header.
1205 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
1206 * mf-runtime.c: Begin sketching some pthreads support.
1207 (__mf_usage): Check for -lpthread presence.
1208 (__mf_unregister): Confirm matching unregistration base.
1209 (__mf_find_objects_rec): Reduce unnecessary recursion.
1210 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
1211 #defines for new hook functions.
1212 * mf-impl.h: Corresponding changes.
1213 * config.h.in, configure, Makefile.in: Regenerated.
1215 2002-04-27 Diego Novillo <dnovillo@redhat.com>
1217 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
1218 modifiers to prevent being optimized away.
1219 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
1220 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1221 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
1222 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1223 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
1224 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
1225 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
1227 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1229 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1230 * configure.in: Look for uintptr_t and -ldl on target.
1231 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1232 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1233 * testsuite/Makefile.in: Regenerated.
1234 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1235 for better C compliance.
1237 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1239 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1241 * mf-runtime.c (__mf_set_default_options): Turn off
1242 check-initialization.
1243 (__mf_describe_object): Shorten description.
1244 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1246 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
1248 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1250 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
1252 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1254 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1255 * mf-impl.h (CALL_BACKUP): New macros.
1256 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1258 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
1260 * Makefile.am (AM_CFLAGS): Remove optimization flags.
1261 (HOOKOBJS): Remove dlopen hook.
1262 (libmudflap_la_LIBADD): Add -ldl.
1263 * mf-hooks.c (dlopen): Remove hook.
1264 * mf-impl.h (__mf_dynamic): Ditto.
1265 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1266 * Makefile.in: Regenerated.
1268 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
1270 * configure.in: Check for target gettimeofday, signal, some headers.
1271 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
1272 out inop multi_threaded field.
1273 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1274 (__mf_set_options): Correct handling of "-help".
1275 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1276 (__mf_check, __mf_register, __mf_unregister): Call it.
1277 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1278 (__mf_report_leaks): Make callable
1279 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
1280 distribution statistics.
1281 (__mf_adapt_cache): Rewrite shift guessing logic based on address
1283 * config.h.in, configure: Regenerated.
1284 * testsuite/libmudflap.c/fail27-frag.c: New test.
1285 * testsuite/libmudflap.c/pass36-frag.c: New test.
1287 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
1289 * mf-runtime.h.in: Tweak.
1290 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1291 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1292 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1294 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1296 * configure.in: Tweak generation of mf-runtime.h some more. It
1297 needs to work from both config.status and configure.
1298 * configure: Regenerated.
1300 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1302 * Makefile.am: Reorganize hook file building. Add auto dependencies.
1303 * configure.in: Tweak generation of mf-runtime.h.
1304 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1305 * mf-hooks.c (*): Adapt to initialized-heap object type.
1306 * mf-impl.h: Tweak cemetary boundaries.
1307 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1309 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1310 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1311 * testsuite/lib/libmudflap.exp (includes): Include build tree.
1312 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1314 * testsuite/.../fail{25,26}-frag.c: New tests.
1315 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1316 * Makefile.in, configure: Regenerated.
1318 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1320 * mf-runtime.c (__mf_set_default_options): Turn on initialization
1321 checking by default.
1322 (__mf_insert_new_object): As a temporary hack, assume that new
1323 objects registered on the stack start out initialized.
1324 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1325 heap objects by hand.
1327 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1329 Switch to macro-style hooks for str*/mem*/b* functions.
1330 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1331 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1332 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1333 (__mf_set_default_options): Turn off heur_proc_map.
1334 (*): Adapt to to macro-style hook functions.
1335 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1336 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1337 (__mf_violation): Handle __MF_VIOL_WATCH.
1338 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1339 (__mf_dynamic): Removed mem*/str*/b* functions.
1340 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1341 (WRAPPER2): New macro for macro-style hooks.
1342 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1344 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1345 * mf-heuristics.c: Adapt to macro-style hook functions.
1346 Correct some comments.
1347 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1348 output pattern tests.
1349 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1350 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1352 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1354 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1355 for global array registration.
1356 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1357 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1359 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1361 * Makefile.am: Add gross make bug workarounds. Tweaked
1362 SUBDIRS and AM_CFLAGS.
1363 * Makefile.in: Regenerated.
1365 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1368 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1369 * Makefile.am (TESTS): Remove simple automake testing.
1370 * configure, Makefile.in: Regenerated.
1371 (SUBDIRS): Include new testsuite/ directory.
1372 * tests/*: Removed all files; moved bulk under:
1373 * testsuite/*: New subdirectory tree.
1374 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1375 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1376 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1377 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1378 * testsuite/config/default.exp: New file.
1379 * testsuite/Makefile.am, Makefile.in: New files.
1381 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1383 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1384 (TESTS): Add fail22 and pass29 tests.
1385 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1386 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1387 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1388 values. Move __MF_VIOL* here.
1389 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1390 (check_initialization): New field in __mf_opts. Default off.
1391 (read_count,write_count): New fields in __mf_object.
1392 (__mf_check): Implement basic initialization checking.
1393 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1394 (__mf_describe_object): Print new fields.
1395 (__mf_violation): Identify check/read vs. check/write in messages.
1396 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1397 "-check-initialized" mudflap option.
1398 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1399 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1400 Drop __FILE__/__LINE__ hack. Update callers.
1401 (*): Adapt to new mf-runtime.h API.
1402 * Makefile.in: regenerated.
1404 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1406 * configure.in: Build mf-runtime.h a more proper way.
1407 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1408 * mf-runtime.c (verbose_violations): Turn on by default.
1409 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1410 * mf-impl.h: ... and move it here.
1411 * configure: Regenerated.
1413 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1415 * configure.in: Look for C++ compiler.
1416 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1417 fixed type warnings when built with C++.
1418 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1419 * Makefile.am (TESTS): Run them.
1420 (*) Add new rules for building and running C++ tests.
1421 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1422 * mf-runtime.h.in: Protect with extern "C".
1423 * Makefile, configure: Regenerated.
1425 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1427 Portability improvements.
1428 * configure.in: Look for glibc backtrace headers/functions.
1429 * mf-hooks.c: Don't include <execinfo.h> any more.
1430 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1432 (__mf_backtrace): Provide alternate baby implementation in
1434 * test/mf-driver.c: Portability tweaks.
1435 * acinclude.m4: New file, containing top level libtool.m4.
1436 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1438 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1440 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1442 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1444 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1446 (__mf_unregister): Implement stack/heap object wiping.
1447 (__mf_set_options): Renamed from __mf_process_opts.
1448 (__mf_uncache_object): Change arg type, correct callers.
1449 * mf-impl.h: Corresponding changes.
1450 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1451 * mf-runtime.h.in (__mf_set_options): Extend public API.
1452 * test/pass26-frag.c: New test for stack wiping.
1453 * Makefile.am (TESTS): Run it.
1454 * Makefile.in: Regenerated.
1456 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1458 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1459 * mf-runtime.c (__mf_object_t): Add watching_p field.
1460 (__mf_watch_or_not): New function to implement
1461 object watch flagging.
1462 (__mf_watch, __mf_unwatch): New wrappers for above.
1463 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1464 (__mf_count_violation): Enlarge array.
1465 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1466 unlink object. Clear cache properly.
1467 (__mf_unregister): Unlink object explicitly before uncaching.
1468 * test/fail21-frag.c, pass25-frag.c: New tests.
1469 * Makefile.in, aclocal.m4: Regenerated.
1471 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1473 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1474 * Makefile.am (TESTS): Add it.
1475 * test/pass-stratcliff.c: Add decls of stpcpy.
1476 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1477 build tree from config.h and new file mf-runtime.h.in.
1478 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1479 * Makefile.in, configure, config.h.in: Regenerated.
1480 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1481 * mf-runtime.c (options, __mf_set_default_options): Support new
1482 default "abbreviate" option.
1483 (__mf_object.description_epoch): New field.
1484 (__mf_describe_object): Conditionally abbreviate objects already
1485 displayed in current epoch. Accept NULL input to increment epoch.
1486 (__mf_fini, __mf_ini): Reset description epoch.
1487 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1488 that NULL pointer slot in lookup cache is invalidated. Register a
1489 NOACCESS region around NULL.
1490 * mf-impl.h: Corresponding changes.
1492 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1494 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1495 * Makefile.am: Run them. Install mf-runtime.h.
1496 * Makefile.in: Regenerated.
1497 * mf-hooks.c: Add some markers for more missing functions.
1498 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1499 statistic to tune tune cache size (mask).
1501 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1503 * test/pass23-frag.c: New test for bit_field_ref expressions.
1504 * Makefile.am, Makefile.in: Add new test.
1505 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1506 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1507 * mf-runtime.c (__mf_init): Register errno global.
1508 (__mf_find_object): Removed function.
1509 (__mf_check): Rewrite logic to support accesses across some
1510 contiguous but distinctly registered objects.
1511 (__mf_remove_old_object): Tolerate cache entries that span
1514 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1516 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1517 * Makefile.am, Makefile.in: Run new tests.
1518 * mf-hooks.c (alloca): Correct stack direction logic.
1520 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1522 * mf-impl.h (adapt_cache): New option.
1523 * mf-runtime.c (__mf_set_default_options): Set its default value.
1524 Tweak the tree_aging parameter down.
1525 (__mf_check): Maintain separate counter for cache-adaptation.
1526 (__mf_tree_analyze): New function to collect object tree stats.
1527 (__mf_adapt_cache): New function to automate cache parameters.
1529 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1531 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1532 hypothetical #if-0'd argv/envp region registration.
1533 * mf-runtime.c (__mf_init): Add kludged form of above.
1534 (*) Add "heur_argv_environ" flag, default on, to govern this.
1535 * mf-impl.h: Corresponding changes.
1537 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1539 * test/fail18-frag.c: New test file for NOACCESS regions.
1540 * Makefile.am (TESTS): Add new test.
1541 * Makefile.in: Regenerated.
1543 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1544 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1545 (optimize_object_tree): Remove unused mudflap_option.
1546 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1547 support throughout. Use .._MAX_CEM for cemetary upper bound.
1548 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1550 (__mf_object): Add new liveness field for use by tree aging.
1551 (__mf_check): Trigger tree aging when needed.
1552 (__mf_age_tree): New function to decay liveness field.
1553 (__mf_find_objects_rec): Use liveness field to rotate tree.
1554 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1555 (__mf_unregister): Ditto.
1556 (__mf_register): Tweak duplicate-static message.
1557 (__mf_violation: Tweak nearby-object counter printing.
1559 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1561 * test/pass20-frag.c: New test file.
1562 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1563 * Makefile.in: Regenerated.
1565 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1566 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1567 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1568 entries to avoid repeat registration.
1569 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1570 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1572 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1574 * Makefile.am: Create test sources with #include, not cat>>.
1575 * Makefile.in: Regenerated.
1576 * test/buildtest.sh: Removed.
1577 * test/driver.c (abort_handler, main): Be quiet.
1579 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1581 * test/pass18-frag.c, pass19-frag.c: New tests.
1582 * Makefile.am (check): Run them. Rebuild test programs each time.
1583 * Makefile.in: Regenerated.
1585 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1587 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1588 overlapping object search.
1589 (__mf_violation): Likewise for nearby objects.
1590 Improve nearby-object listing.
1593 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1594 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1596 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1599 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1600 (HOOKOBJS): Add alloca-hook.o.
1601 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1603 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1604 (__mf_backtrace): Reimplement without using alloca.
1605 * Makefile.in: Regenerated.
1608 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1609 Correct signedness bugs in length-tracking variables.
1610 * mf-impl.h: Make options unsigned.
1611 (CALL_WRAP): New macro to parallel CALL_REAL().
1612 (DECLARE): Remove erroneous ";" at end.
1613 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1614 formatting specs with %08lx. Correct several compiler warnings.
1616 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1618 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1620 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1622 libmudflap hook breakup:
1623 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1625 (TESTS): Make dependent on libmudflap.
1626 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1627 compiled from segments of mf-hooks.c.
1628 * mf-hooks.c: Corresponding changes: wrap each function in
1630 * Makefile.in: Regenerated.
1632 Heuristics reorganization:
1633 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1634 Remove these functions. Update callers.
1635 (__mf_heuristic_check): Incorporate all the various heuristics.
1636 Encode cacheability/retry judgement into trinary return value.
1637 Separate start-end logic into a separate fallback heuristic. Only
1638 register relevant /proc/self/map segments.
1639 * mf-impl.h: Corresponding changes.
1640 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1641 (__mf_init): Don't call __mf_init_heuristics.
1644 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1645 "-verbose-trace" to emit all tracing messages other than those of
1646 basic public api. Eliminate some duplicate/excessive messages.
1647 * mf-runtime.h: Corresponding changes.
1649 2002-08-27 Graydon Hoare <graydon@redhat.com>
1651 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1652 and __real when compiled with -DPIC.
1653 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1654 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1655 * Makefile.in: Regenerate.
1657 2002-08-26 Graydon Hoare <graydon@redhat.com>
1659 * mf-impl.h: New file, private implementation header.
1660 * mf-runtime.h: Reorganize a bit.
1661 (CLAMPSZ): Fix arithmetic.
1662 (__MF_CACHE_MISS_P): Fix arithmetic.
1663 * mf-runtime.c: Reorganize a bit.
1664 (__mf_dynamic): New structure.
1665 (resolve_single_dynamic): New function.
1666 (__mf_resolve_dynamics): New function.
1667 (__mf_init): Initialize dynamic wrappers.
1668 * mf-hooks.c: Macro-ize __real calls.
1669 Clamp various bits of arithmetic.
1670 Add explicit __mf_check call contexts.
1671 * Makefile.am: Add dependencies on mf-impl.h
1672 * Makefile.in: Regenerate.
1673 * configure.in: Comment out shared override.
1674 * configure: Regenerate.
1676 2002-08-22 Graydon Hoare <graydon@redhat.com>
1678 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1679 (__mf_check): Re-inialize and check heuristics before violation.
1680 (__mf_register): Permit updating pure-guess regions.
1681 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1682 (__wrap_dlopen): New wrapper function.
1683 (__wrap_mmap): New wrapper function.
1684 (__wrap_munmap): New wrapper function.
1685 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1686 which are not stack addresses.
1687 (is_stack_address): New function.
1688 (__mf_init_heuristics): Save and restore state, always initialize with
1691 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1693 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1694 error. Pass location string.
1695 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1696 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1697 (__mf_process_opts): Apply some sanity checking for lc-mask.
1698 (__mf_check, __mf_violation): Take new location-string argument.
1699 Update callers to pass NULL if necessary.
1700 (__mf_backtrace): New smart backtracer function. Calls replace
1701 several ad-hoc blocks elsewhere.
1702 (__mf_describe_object): Remove bad reentrancy test. Improve
1704 * mf-runtime.h: Corresponding changes. Public/private markup.
1705 (__MF_CACHE_MISS_P): New macro.
1707 2002-08-20 Graydon Hoare <graydon@redhat.com>
1709 * mf-runtime.h: New option: stack_bound (heuristic).
1710 Move some macros out of implementation files.
1711 * mf-runtime.c: New option string: -stack-bound.
1712 Unify recursion protection with hooks.
1714 (__mf_check): Call __mf_heuristic_check.
1715 (__mf_process_opts): Fix "no-" processing.
1716 * mf-heuristics.c (__mf_heuristic_check): New function.
1717 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1719 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1721 Option parsing improvements, region splitting bug fixes:
1722 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1723 * mf-runtime.h (heur_proc_map): New libmudflap option.
1724 * mf-runtime.c (__mf_set_default_options): Set it.
1725 (__mf_usage): Print default values/status.
1726 (__mf_process_opts): Support general "no-" option string prefix.
1727 (__mf_init): Print __mf_usage on unknown-option error.
1728 (__mf_register): Print trace message up front.
1729 Correct region splitting logic for case where a subregion disappears.
1730 Correct memory leak.
1731 (__mf_violation): Make even basic message conditional on option.
1734 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1735 (clean-local): New target.
1736 (test/*x rules): Add -g CFLAGS.
1737 (CFLAGS): Add -freorder-blocks.
1738 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1739 * Makefile.in: Regenerated.
1740 * Makefile, mf-config.h: Removed files.
1742 2002-08-16 Graydon Hoare <graydon@redhat.com>
1744 * mf-runtime.c (__mf_insert_new_object): Factor out of
1746 (__mf_remove_old_object): Factor out of __mf_unregister.
1747 (__mf_register): Handle guessed regions, splitting
1748 guesses when new registrations arrive.
1749 (__mf_unregister): Do not unregister guesses.
1750 * mf-runtime.h: Move convenience macros around,
1751 declare new option fields. Add __MF_TYPE_GUESS.
1752 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1753 (__wrap_free): Call __real_free for deferred frees.
1754 * Makefile.am: Add more tests, fix dependency.
1755 * Makefile.in: Regenerate.
1756 * test/pass[13..17]-frag.c: New testcases.
1757 * test/fail[13..17]-frag.c: New testcases.
1759 2002-08-15 Graydon Hoare <graydon@redhat.com>
1761 * mf-heuristics.c: New file.
1762 * mf-runtime.c (options): Add -trace-calls option.
1763 (__mf_init): Call __mf_init_heuristics.
1765 2002-08-14 Graydon Hoare <graydon@redhat.com>
1767 * Makefile.am (TESTS): Add testsuite support.
1768 * Makefile.in: Regenerate.
1769 * test/mf-driver.c: New file.
1770 * test/buildtest.sh: New file.
1771 * test/passNN-frag.c: New testcases.
1772 * test/failNN-frag.c: New testcases.
1774 2002-08-14 Graydon Hoare <graydon@redhat.com>
1776 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1777 verifying non-size-limited string extents.
1779 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1781 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1782 instead of plain str[n]len for internal checks.
1783 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1785 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1787 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1789 2002-08-13 Graydon Hoare <graydon@redhat.com>
1791 * mf-runtime.c: Rework configuration to operate on
1792 environment variable options rather than #defines
1793 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1794 (__mf_init): Set static __mf_active_p flag on startup,
1795 to inhibit mudflap wrap-based checking during crt0.s.
1796 * mf-runtime.h: Declare options structure.
1797 * mf-hooks.c: New wrappings for mem*, b*, str*
1798 libc functions (temporarily #if 0-ed out).
1800 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1802 * Makefile.am, configure.in: New files.
1803 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1804 * stamp-h.in, aclocal.m4: Ditto.
1806 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1808 * Makefile: New file.
1809 * mf-config.h: New file: runtime configuration.
1810 * mf-hooks.c: New file: interposed libc functions.
1811 * mf-runtime.c: New file: bulk of runtime.
1812 * mf-runtime.h: New file: public functions.