1 2009-07-16 Joseph Myers <joseph@codesourcery.com>
3 * configure: Regenerate.
5 2009-07-11 Richard Sandiford <rdsandiford@googlemail.com>
10 * testsuite/lib/libmudflap.exp: Revert 2009-06-30 commit.
12 2009-07-01 Richard Guenther <rguenther@suse.de>
14 PR tree-optimization/19831
15 * testsuite/libmudflap.c/fail11-frag.c: Make allocated memory
17 * testsuite/libmudflap.c/fail12-frag.c: Likewise.
18 * testsuite/libmudflap.c/fail16-frag.c: Likewise.
19 * testsuite/libmudflap.c/fail31-frag.c: Likewise.
21 2009-06-30 Richard Sandiford <r.sandiford@uk.ibm.com>
23 * testsuite/lib/libmudflap.exp (libmudflap-init): Don't add "."
24 to ld_library_path. Use add_path. Add just find_libgcc_s to
25 ld_library_path, not every libgcc multilib directory.
27 2009-04-09 Nick Clifton <nickc@redhat.com>
29 * mf-hooks1.c: Change copyright header to refer to version 3
30 of the GNU General Public License with version 3.1 of the GCC
31 Runtime Library Exception and to point readers at the COPYING3
32 and COPYING3.RUNTIME files and the FSF's license web page.
33 * mf-heuristics.c: Likewise.
34 * mf-hooks2.c: Likewise.
35 * mf-hooks3.c: Likewise.
36 * mf-impl.h: Likewise.
37 * mf-runtime.c: Likewise.
38 * mf-runtime.h: Likewise.
40 2009-04-09 Jakub Jelinek <jakub@redhat.com>
42 * testsuite/lib/mfdg.exp: Change copyright header to refer to
43 version 3 of the GNU General Public License and to point readers
44 at the COPYING3 file and the FSF's license web page.
45 * testsuite/lib/libmudflap.exp: Likewise.
47 2009-03-31 Ben Elliston <bje@au.ibm.com>
50 * testsuite/libmudflap.c/fail27-frag.c: Match `mudflap dead
51 object', not `mudflap object'.
53 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
55 * configure: Regenerate.
57 2009-02-03 Jakub Jelinek <jakub@redhat.com>
59 * mf-runtime.c (__mf_usage): Update copyright notice dates.
61 2009-01-23 Jie Zhang <jie.zhang@analog.com>
63 * mf-impl.h (__mf_get_state, __mf_set_state): Don't use
64 __thread when TLS support is emulated.
65 * mf-hooks3.c (__mf_get_state, __mf_set_state): Likewise.
66 * mf-runtime.c (__mf_state_1): Likewise.
67 * configure.ac: Use GCC_CHECK_EMUTLS.
68 * configure: Regenerate.
69 * config.h.in: Regenerate.
71 2008-12-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
73 * configure: Regenerate.
75 2008-11-26 Janis Johnson <janis187@us.ibm.com>
78 * testsuite/lib/mfdg.exp (dg-test): Use new timeout support.
80 (standard-wait): Remove.
81 * testsuite/lib/libmudflap.exp: Include new timeout library files.
82 (libmudflap_target_compile): Set timeout value from new proc.
84 2008-11-10 Jakub Jelinek <jakub@redhat.com>
87 * testsuite/libmudflap.c/pass67-frag.c: New test.
89 2008-10-09 Jakub Jelinek <jakub@redhat.com>
92 * testsuite/libmudflap.c++/pass66-frag.cxx: New test.
94 2008-09-26 Peter O'Gorman <pogma@thewrittenword.com>
95 Steve Ellcey <sje@cup.hp.com>
97 * configure: Regenerate for new libtool.
99 * testsuite/Makefile.in: Ditto.
101 2008-09-15 Jakub Jelinek <jakub@redhat.com>
104 * testsuite/libmudflap.c/pass64-frag.c: New test.
106 2008-06-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
108 * Makefile.in: Regenerate.
109 * config.h.in: Regenerate.
110 * configure: Regenerate.
111 * testsuite/Makefile.in: Regenerate.
113 2008-04-18 Paolo Bonzini <bonzini@gnu.org>
116 * aclocal.m4: Regenerate.
117 * configure: Regenerate.
119 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
121 * testsuite/libmudflap.c/pass63-frag.c: New test.
123 2008-03-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
125 * aclocal.m4: Regenerate.
126 * configure: Likewise.
127 * Makefile.in: Likewise.
128 * testsuite/Makefile.in: Likewise.
130 2008-03-02 Jakub Jelinek <jakub@redhat.com>
132 * mf-runtime.c (__mf_usage): Update copyright notice dates.
134 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
136 * testsuite/libmudflap.c/fail8-frag.c: Adjust scan pattern for
138 * testsuite/libmudflap.c/fail9-frag.c: Ditto.
140 2008-01-24 David Edelsohn <edelsohn@gnu.org>
142 * configure: Regenerate.
144 2008-01-05 Jakub Jelinek <jakub@redhat.com>
146 PR tree-optimization/34618
147 * testsuite/libmudflap.c/pass62-frag.c: New test.
149 2008-01-03 Jakub Jelinek <jakub@redhat.com>
152 * testsuite/libmudflap.c++/pass61-frag.cxx: New test.
154 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
157 * testsuite/libmudflap.c++/pass60-frag.cxx: New test.
159 2007-10-15 Maciej W. Rozycki <macro@linux-mips.org>
161 * configure: Regenerate following changes to ../config/tls.m4.
163 2007-07-26 Tom Tromey <tromey@redhat.com>
165 * Makefile.in: Rebuilt.
166 * Makefile.am (clean-local): Removed.
167 (pth/mf-runtime.lo, pth/mf-heuristics.lo, pth/mf-hooks1.lo,
168 pth/mf-hooks2.lo, pth/mf-hooks3.lo): Likewise.
169 (libmudflapth_la_SOURCES): List sources.
170 (libmudflapth_la_LIBADD): Clear.
171 (libmudflapth_la_CFLAGS): New variable.
173 2007-07-05 H.J. Lu <hongjiu.lu@intel.com>
175 * aclocal.m4: Regenerated.
177 2007-06-02 Paolo Bonzini <bonzini@gnu.org>
179 * configure: Regenerate.
181 2007-05-31 Frank Ch. Eigler <fche@redhat.com>
183 From Andi Kleen <ak@suse.de>:
184 * mf-runtime.c (options): Rename structure for compatibility with
187 2007-05-23 Steve Ellcey <sje@cup.hp.com>
189 * Makefile.in: Regenerate.
190 * configure: Regenerate.
191 * aclocal.m4: Regenerate.
192 * testsuite/Makefile.in: Regenerate.
194 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
196 * testsuite/libmudflap.cth/pass59-frag.c (main): Fix casting of arg.
198 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
200 * Makefile.am: Add dummy install-pdf target.
201 * Makefile.in: Regenerate
203 2007-02-07 Jakub Jelinek <jakub@redhat.com>
206 * configure: Regenerate.
208 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
210 * configure: Regenerate.
212 2006-11-13 Daniel Jacobowitz <dan@codesourcery.com>
214 * configure: Regenerated.
216 2006-11-10 Frank Ch. Eigler <fche@redhat.com>
219 * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
220 static but not function scope static.
221 (free): Skip deallocation attempts for objects placed into
223 * testsuite/libmudflap.cth/pass59-frag.c: New test.
225 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
227 From Herman ten Brugge <hermantenbrugge@home.nl>:
228 * mf-runtime.c (__mf_uncache_object): Optimize the code so that
229 small and large objects are handled a lot faster.
231 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
233 * configure.ac (__libc_freeres): Look for it.
234 * mf-impl.h (call_libc_freeres): New configuration flag.
235 * mf-runtime.c (__mf_set_default_options): Set it by default.
236 (__mfu_report): Call it if needed.
237 (__mfu_unregister): Remove "unaccessed registered object" warning.
238 * configure, config.h.in: Regenerated.
240 2006-09-18 Tom Tromey <tromey@redhat.com>
242 * configure: Rebuilt.
244 2006-06-21 Frank Ch. Eigler <fche@redhat.com>
247 mf-runtime.h installation based on ssp patch for PR 26473 from
248 Mark Mitchell <mark@codesourcery.com>.
249 * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
250 * Makefile.am (target_noncanonical): Define.
251 (libsubincludedir): New variable.
252 (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
253 (include_HEADERS): Remove.
254 * configure, aclocal.m4, config.h.in: Regenerated.
255 * Makefile.in, testsuite/Makefile.in: Likewise.
256 * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
257 and _THREAD_SAFE redefinition values.
259 2006-05-23 Carlos O'Donell <carlos@codesourcery.com>
261 * Makefile.am: Add install-html target. Add install-html to .PHONY
262 * Makefile.in: Regenerate.
264 2006-04-19 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
267 * testsuite/libmudflap.c++/error1-frag.cxx: New test.
270 * testsuite/libmudflap.c++/error2-frag.cxx: New test.
272 2006-04-10 Matthias Klose <doko@debian.org>
274 * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
275 directory names containing underscores.
277 2005-11-22 Janis Johnson <janis187@us.ibm.com>
279 * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
280 MUDFLAP_FLAGS if static library not supported.
281 * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
282 * testsuite/libmudflap.c/externs.exp: Ditto.
283 * testsuite/libmudflap.c++/ctors.exp: Ditto.
284 * testsuite/libmudflap.c++/c++frags.exp: Ditto.
285 * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
287 2005-10-04 James E Wilson <wilson@specifix.com>
289 * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
290 $name as array of characters with unknown bound. Also store into the
292 * configure: Regenerate.
294 2005-09-30 James E. Wilson <wilson@specifix.com>
296 * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
298 (target_thread_file): New. Set from sed'ed gcc output.
299 (posix_threads): New. Set from target_thread_file. Use instead of
301 (pthread_create_version): Move initialization before code using it.
302 * configure: Regenerate.
304 * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
307 2005-09-29 James E. Wilson <wilson@specifix.com>
309 * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
310 with HAVE_MMAP ifdef.
312 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
315 * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
317 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
319 * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
321 2005-09-23 Tom Tromey <tromey@redhat.com>
323 * aclocal.m4, configure: Rebuilt.
324 * configure.ac: Use GCC_CHECK_TLS.
325 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
328 2005-08-22 Jim Wilson <wilson@specifix.com>
330 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
331 __FreeBSD__ is defined.
333 2005-08-17 Jim Wilson <wilson@specifix.com>
335 * mf-hooks1.c (malloc, calloc, realloc, free,
336 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
337 the real routines, and END_MALLOC_PROTECT afterwards.
338 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
339 (BEGIN_PROTECT): Handle in_malloc state.
340 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
341 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
343 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
345 * All files: Update FSF address.
347 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
349 * mf-hooks3.c (main_seen_p): Remove.
350 (__mf_get_state): Remove attempt to recognize the main thread.
352 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
354 * configure.ac: Test for the name of the symbol used for the entry
355 point; define ENTRY_POINT to the result.
356 * configure: Regenerate.
357 * config.h.in: Regenerate.
358 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
360 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
362 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
363 (__mf_init): Set thread state active.
364 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
366 (pthread_create wrapper): Always use thread spawner.
368 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
369 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
371 2005-07-16 Richard Henderson <rth@redhat.com>
373 * acinclude.m4: New file.
374 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
375 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
376 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
377 (__mf_0fn_calloc): ... here.
378 * mf-hooks3.c (struct pthread_info): Remove.
379 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
380 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
381 (struct mf_thread_data): New.
382 (mf_thread_data, mf_thread_data_lock): New.
383 (__mf_allocate_blank_threadinfo): Remove.
384 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
386 (__mf_state_perthread): Remove.
387 (__mf_get_state, __mf_set_state): New.
388 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
389 Update mf_thread_data killing procedure.
390 (__mf_pthread_spawner): Similarly.
391 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
392 code to allocate thread stack space.
393 (__mf_0fn_pthread_join, pthread_join): Remove.
394 (__mf_0fn_pthread_exit, pthread_exit): Remove.
395 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
396 (__mf_state_1): Rename from __mf_state; use TLS when available.
397 (__mf_get_state, __mf_set_state): New. Update all users.
398 * mf-runtime.c (begin_recursion_protect1): New.
399 (BEGIN_RECURSION_PROTECT): Use it.
400 (__mf_state_1): Rename from __mf_state; use TLS when available.
401 (threads_active_p): Remove.
402 (__mf_usage): Compute it directly.
404 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
406 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
408 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
410 Fix for uncaching bug reported by Herman ten Brugge.
411 * mf-runtime.c (__mf_uncache_object): Search whole cache.
412 * testsuite/libmudflap.c/fail40-frag.c: New test.
414 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
417 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
418 * Makefile.in: Amend.
420 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
423 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
424 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
426 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
429 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
431 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
434 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
435 unsigned vars with #defines instead of enums.
437 2005-05-09 Mike Stump <mrs@apple.com>
439 * configure: Regenerate.
441 2005-04-12 Mike Stump <mrs@apple.com>
443 * configure: Regenerate.
445 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
448 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
449 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
451 2005-04-04 Alan Modra <amodra@bigpond.net.au>
453 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
455 2005-03-31 Mike Stump <mrs@apple.com>
457 * mf-runtime.h: Add libmudflap copyright clause.
459 2005-03-21 Mike Stump <mrs@apple.com>
461 * mf-heuristics.c: Fix whitespace at end of line.
462 * mf-hooks1.c: Likewise.
463 * mf-hooks2.c: Likewise.
464 * mf-hooks3.c: Likewise.
465 * mf-impl.h: Likewise.
466 * mf-runtime.c: Likewise.
467 * mf-runtime.h: Likewise.
469 2005-03-21 Zack Weinberg <zack@codesourcery.com>
471 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
472 In all substitutions, expand gcc_version in Makefile.
473 * aclocal.m4, configure: Regenerate.
474 * Makefile.am: Set gcc_version.
475 * Makefile.in, testsuite/Makefile.in: Regenerate.
477 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
479 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
480 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
482 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
485 * testsuite/libmudflap.c++/pass55-frag.c: New test.
487 2005-01-05 Richard Henderson <rth@redhat.com>
489 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
491 2005-01-02 Greg McGary <greg@mcgary.org>
493 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
494 * mf-runtime.h: New file, replaces mf-runtime.h.in.
495 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
496 * Makefile.in: Ditto.
497 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
498 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
499 * testsuite/libmudflap.c/fail36-frag.c: New test.
500 * testsuite/libmudflap.c/fail37-frag.c: New test.
501 * testsuite/libmudflap.c/fail38-frag.c: New test.
503 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
505 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
506 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
508 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
510 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
511 * aclocal.m4: Include ../config/gcc-version.m4.
512 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
514 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
516 * Makefile.am: Define ACLOCAL_AMFLAGS.
517 * acinclude.m4: Remove.
518 * stamp-h.in: Remove superfluous stamp file.
519 * aclocal.m4, configure, Makefile.in: Regenerate.
520 * testsuite/Makefile.in: Likewise.
522 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
524 * Makefile.am: Revert previous.
525 * acinclude.m4: Restore.
526 * aclocal.m4, configure, Makefile.in: Regenerate.
527 * testsuite/Makefile.in: Likewise.
529 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
531 * Makefile.am: Define ACLOCAL_AMFLAGS.
532 * acinclude.m4: Remove.
533 * aclocal.m4, configure, Makefile.in: Regenerate.
534 * testsuite/Makefile.in: Likewise.
536 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
538 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
540 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
542 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
543 * testsuite/Makefile.in: Likewise.
545 2004-11-01 Andreas Schwab <schwab@suse.de>
547 * configure.ac: (target_alias): Default to $host_alias, not
549 * configure: Regenerated.
551 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
553 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
554 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
557 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
560 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
562 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
564 * configure.ac: Check for more headers, functions.
565 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
566 tracking overridden FILE buffers.
567 (fopen, setvbuf): New/revised hook functions for buffer overriding.
568 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
569 (fflush): Accept given NULL stream (means "all streams").
571 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
573 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
574 (__mf_adapt_cache): Use them all.
575 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
576 * testsuite/libmudflap.c++/ctors.exp: Ditto.
577 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
578 * configure, config.h.in: Regenerated.
580 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
582 * configure.ac: Checking for sys/socket.h once is enough.
583 * configure: Regenerated.
585 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
587 * configure.ac: Look for more headers & functions.
588 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
589 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
590 * mf-runtime.c (options): Clean up integer signedness warnings.
591 (main): Add a declaration to fix a warning.
592 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
593 * configure, config.h.in: Regenerated.
595 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
597 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
598 New tests for proper base/limit checking for aggregates.
600 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
602 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
604 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
606 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
607 * mf-hooks2.c (strerror): Unregister previous string returned by
609 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
610 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
611 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
612 * mf-runtime.c (__mf_describe_object): Clarify object life status.
613 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
615 * configure, config.h.in: Regenerated.
617 2004-08-03 Dale Johannesen <dalej@apple.com>
619 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
621 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
623 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
624 simplified contents in all former callers.
626 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
628 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
629 the statically linked case.
631 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
633 * splay-tree.[ch]: Remove. Merge contents into ...
634 * mf-runtime.c: ... here, renaming symbols and making all functions
635 static. Remove unused min/max functions.
636 * Makefile.am: Forget about splay-tree.[ch].
637 * Makefile.in, testsuite/Makefile.in: Regenerated.
639 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
641 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
642 (__mfu_usage): Include (C) 2004.
643 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
644 here. Include a comment explaining why.
646 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
648 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
649 * mf-runtime.c (options): Give them a name.
650 (__mf_set_default_options): Set them.
651 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
652 (__mf_violation): Warning cleanup.
653 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
654 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
656 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
659 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
662 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
664 Test case for g++/15861
665 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
666 * testsuite/libmudflap.c++/ctors.exp: Driver.
667 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
668 Look only for *frag* test cases.
670 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
672 ANSI C conversion, libmudflap specialization, recursion limiting.
673 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
674 argument and indirection function pointers, update callers.
675 (splay_tree_s): Add statistics and recursion control fields
676 num_keys, max_depth, depth, rebalance_p.
677 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
678 Back out of search if it exceeds limit.
679 (splay_tree_splay): Manage recursion limiting with rebalancing as
681 (splay_tree_new): More initialization.
682 (splay_tree_rebalance): New function.
683 (splay_tree_foreach): Rewrite using nonrecursive logic.
684 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
685 Remove. Point indirect calls to mf-runtime.c's routines.
686 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
688 (splay_tree_delete, splay_tree_delete_helper): Ditto.
689 * testsuite/heap-scalestress.c: New test based on one from
690 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
692 2004-07-05 Matthias Klose <doko@debian.org>
694 * libtool-version: New.
695 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
696 Use -version-info for soname.
697 * Makefile.in: Regenerate.
698 * configure.ac: Remove libtool_VERSION macro
699 * configure: Regenerate
701 2004-07-05 Zack Weinberg <zack@codesourcery.com>
703 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
704 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
707 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
709 Splay tree implementation fork.
710 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
711 Use hard-coded comparison function for uintptr_t. Remove key/value
712 deallocation logic. Cache last splayed key for consecutive lookups.
713 * Makefile.am, Makefile.in: Use them, don't link to them.
714 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
715 (__mf_find_objects2): Flip successor/predecessor search sequence.
716 * ansidecl.h, libiberty.h: Removed dummy files.
718 2004-06-29 Nick Clifton <nickc@redhat.com>
720 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
721 * configure: Regenerate.
722 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
724 Remove spurious inclusion of <strings.h>.
726 2004-06-29 Nick Clifton <nickc@redhat.com>
728 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
729 function actually exists.
731 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
733 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
734 * config.h.in: Regenerated.
736 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
738 Adopt splay trees for object database.
739 * Makefile.am: Copy splay-tree.* from libiberty.
740 * Makefile.in, testsuite/Makefile.in: Regenerated.
741 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
742 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
743 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
744 * mf-runtime.c: Rewrite code dealing with object database to use
745 libiberty splay trees. Remove tree liveness aging option.
746 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
748 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
750 * configure.ac: New name of configure.in. Update
751 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
752 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
753 Autoconf 2.5x and Automake 1.7 or later.
754 * configure.in: Remove.
755 * configure: Regenerate.
757 * Makefile.am: Remove useless multilib rules.
758 * Makefile.in: Regenerate.
760 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
762 * .cvsignore: New file.
764 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
767 * mf-hooks2.c (semctl): Add cygwin porting hack.
769 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
772 * configure.in: Look for ctype header and glibc implementation.
773 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
774 array hooks for glibc 2.3.
775 * mf-runtime.h.in: Wrap them.
776 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
778 * testsuite/libmudflap.c/pass47-frag.c: New test.
779 * configure, config.h.in: Regenerated.
781 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
783 Portability improvements, e.g., libmudflap/15293.
784 * configure.in: Look for glibc extension functions. Look for
785 support of -f{function,data}-sections. Look for more headers.
786 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
787 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
788 mf-hooks* into usual single object per source.
789 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
790 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
791 if system doesn't provide one.
792 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
793 (pthread_create): Use it to properly GC dead thread stacks.
794 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
795 * testsuite/Makefile.am: Stop generating site.exp.
796 * testsuite/mfconfig.exp.in: New file.
797 * testsuite/config/default.exp: Load new mfconfig.exp.
798 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
799 (prune_gcc_output): Add glibc static linking warnings.
800 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
801 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
802 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
803 Regenerated with autoconf 2.57 and automake 1.7.
805 2004-06-04 Per Bothner <per@bothner.com>
807 * configure.in (LIBMUDFLAPTH): Fix thinko.
809 * configure.in: Check for more headers.
810 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
812 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
813 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
815 2004-06-01 Andreas Jaeger <aj@suse.de>
817 * configure.in: Handle multilibs, support
818 --enable-version-specific-runtime-libs.
819 * Makefile.am (lib_LTLIBRARIES): Rename to ...
820 (toolexeclib_LTLIBRARIES): this for multilib support.
821 * Makefile.in: Regenerated.
822 * configure: Regenerated.
823 * aclocal.m4: Regenerated.
824 * config.h.in: Regenerated.
825 * testsuite/Makefile.in: Regenerated.
827 2004-06-01 Andreas Jaeger <aj@suse.de>
829 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
830 multilibs, using multilib directory instead of hardcoded path.
833 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
835 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
836 * Makefile.in: Ditto.
838 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
840 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
841 * aclocal.m4, configure: Rebuilt.
843 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
845 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
846 import some build settings from libstdc++-v3 testsuite_flags.
847 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
848 changes to pass test language.
850 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
851 quicker mode-nop handling.
853 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
855 * mf-impl.h: Added libgcc license header.
857 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
859 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
860 Added libgcc license header.
861 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
862 (pthread_create): Simplify stack allocation syntax.
864 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
866 * mf-hooks2.c: Support FreeBSD.
867 (WRAP_gets): Avoid gets().
868 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
869 test unimplemented mem/str calls on FreeBSD.
870 * testsuite/libmudflap.c/pass21-frag.c: Do not include
871 <alloca.h> on FreeBSD.
873 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
875 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
876 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
877 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
878 flags for static linking permutation.
879 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
880 some pthreads code that croaks on linux glibc tls.
882 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
884 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
886 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
888 * testsuite/libmudflap.c/pass44-frag.c: New test.
890 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
892 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
894 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
896 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
898 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
900 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
902 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
905 * configure.in: Add check for see if
906 socklen_t typedef is in sys/socket.h.
907 * mf-hooks1.c: Add define if socklen_t
909 * mf-hooks2.c: Likewise.
910 * mf-hooks3.c: Likewise.
911 * config.h.in: Regen.
914 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
916 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
917 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
919 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
920 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
921 (unoptimized) allocation of stack space.
923 2003-12-07 Richard Henderson <rth@redhat.com>
925 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
926 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
928 2003-12-06 Andrew Pinski <apinski@apple.com>
930 partial PR libmudflap/12670
931 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
932 * mf-hooks2.c: Likewise.
933 * mf-hooks3.c: Likewise.
935 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
938 * mf-runtime.h.in: Switch to #pragma redefine_extname for
939 symbols interposed at compile time.
940 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
943 * mf-hooks2.c (semctl): Tolerate FreeBSD.
945 * configure.in: Reorganize check for <pthread.h>.
946 * configure: Regenerated.
948 2003-11-04 David Edelsohn <edelsohn@gnu.org>
950 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
951 (_LARGE_FILE_API): Define for AIX.
952 * mf-hooks[123]: Same.
953 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
955 2003-10-21 David Edelsohn <edelsohn@gnu.org>
957 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
959 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
961 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
963 * configure.in: Update check for union semun.
965 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
968 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
970 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
973 * configure.in: Add checks for 64-bit LFS functions, struct semun
974 definition, for BSD compatibility.
975 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
976 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
977 * mf-hooks3.c: Ditto.
978 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
980 * configure, config.h.in: Regenerated.
982 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
984 Multithreading fixes:
985 * mf-runtime.c (__mf_object): Store allocating/deallocating
987 (options): Support new "-thread-stack" option.
988 Rename "-heur-argv-environ" option to "-heur-stdlib".
989 Disable "-lc-mask" and "-lc-shift" options.
990 (__mf_dynamic): Add function pointers for pthread_join/_exit.
991 (__assert_fail): New self-contained function for glibc.
992 * mf-hooks3.c: Essentially rewritten, particularly related to
993 use of __mf_pthread_info array.
994 (pthread_join, _exit): New hook functions.
995 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
996 * testsuite/libmudflap.cth/pass40-frag.c: New test.
999 * mf-heuristics.c: Add type casts for tracing, sub calls.
1000 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
1001 Update all callers to declare explicit result holder.
1002 (END_PROTECT): Removed.
1003 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
1005 2003-07-15 Diego Novillo <dnovillo@redhat.com>
1007 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
1008 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1009 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1011 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
1013 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
1014 * mf-hooks: Removed.
1015 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
1016 Move these macros from old mf-hooks.c here.
1017 * Makefile.am: Adapt to split-up hook sources for faster builds.
1018 * Makefile.in: Regenerated.
1020 * mf-heuristics.c: Remove #if-0 block.
1022 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
1023 (__mf_starting_p): New state only for use while dlsym bootstrapping.
1024 (CALL_REAL, __mf_init): Corresponding changes.
1025 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
1026 all callers to remove redundant "mf:" prefix.
1027 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
1028 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
1029 (__mf_pthread_info): Become a hash table.
1031 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
1032 "dg-repetitions" directives to control test case execution.
1033 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
1035 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
1037 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
1039 * mf-hooks.c (alloca): Separate into stub.
1040 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
1041 malloc/free for alloca blocks.
1042 (pthread_create): Tolerate failing pthread_attr_get* calls.
1043 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
1044 * mf-impl.h (CALL_WRAP): Remove macro.
1045 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
1046 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
1047 padding for ia64 BIT_FIELD_REF constructs.
1049 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
1051 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
1052 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
1053 libmudflap object type.
1054 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
1055 crashes on unregistering STATIC objects.
1057 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
1059 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
1060 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
1061 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
1062 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
1063 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
1064 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
1065 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
1066 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
1067 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
1068 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
1069 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
1070 (accept, bind, connect, gethostname, sethostname): New hooks.
1071 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
1072 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
1073 (semop, semctl, shmctl, shmat, shmdt): New hooks.
1074 * mf-runtime.h.in: Corresponding changes.
1075 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
1076 (opts) Rename heur_argv_environ to heur_std_data.
1077 (__mf_wrap_main): Use STATIC type for argv/environ strings.
1078 * Makefile.am: Corresponding changes.
1079 * Makefile.in: Regenerated.
1081 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
1083 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
1084 heuristic for threaded case, and for non-x86-linux targets.
1085 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
1086 for use during pre-main() program startup.
1087 (__mf_0fn_*): Make these functions non-static.
1088 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
1090 * mf-runtime.c (__mf_state): Set initial state to "starting".
1091 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
1092 (__wrap_main): New function to register argv[] and environ[] strings.
1093 (__mf_ini): Call it.
1094 (*): In all trace functions, use "%p" as formatter for uintptr_t.
1096 * testsuite/libmudflap.c/pass38-frag.c: New test case.
1097 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
1099 * acinclude.m4: Add comments with aoliva's concerns about x86_64
1101 * aclocal.m4, configure: Regenerated.
1103 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
1105 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
1106 * aclocal.m4, configure: Regenerated.
1108 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
1110 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
1111 for x86_64 target. Disable caching for this value.
1112 * aclocal.m4, configure: Regenerated.
1114 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
1116 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
1117 is about to become deprecated, and its present handling bugs are
1120 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
1122 * testsuite/libmudflap.c/pass38-frag.c: New test for
1125 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1127 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
1128 __mf_report, asserting reentrant calling context.
1130 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1132 * mf-hooks.c (realloc): Correct reentrancy logic.
1133 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
1135 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
1137 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
1138 PTHREAD_THREADS_MAX. Update users.
1139 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
1141 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
1142 with libmudflapth presence indicator.
1143 * testsuite/Makefile.in: Regenerated.
1145 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
1147 * Makefile.am (AM_CFLAGS): Remove "-ansi".
1148 * configure.in: Remove silly no-pthreads => no-shared logic.
1149 * Makefile.in, configure: Regenerated.
1150 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
1151 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
1152 code. Count reentrancy events.
1153 (all hook functions): Don't directly manipulate __mf_state variable.
1154 Add TRACE calls to hook functions without them.
1155 * mf-impl.h (LOCKTH): Try to count lock contention events.
1156 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
1157 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
1158 Reorganize reentrancy code.
1159 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
1160 identify reentrancy with mutex holding times.
1161 (internal __mfu_ entry points): Remove internal reentrancy code.
1162 (__mf_init): Use ordinary locked calls.
1163 (__mfu_report): Print the two new counts.
1164 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
1165 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
1166 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
1167 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
1170 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
1172 * configure.in: Add pthread support, plus glibc and porting hacks.
1173 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
1174 from objects built into ./pth/.
1175 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
1176 functions for internal entry points. Update callers to pick
1177 locked vs. unlocked variants.
1178 (__mf_resolve_single_dynamic): Extend to support symbol versioning
1179 info coming in from a static data structure.
1180 (*): Reorder miscellaneous declarations to group data vs functions.
1181 (__mf_set_default_options): Simplify.
1182 (__mf_usage): Mention threading status of host executable.
1183 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
1184 decls to match above.
1185 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
1186 * mf-heuristics.c: Choose between locked/unlocked calls. Add
1187 some lock/unlock markers. Remove some unused code.
1189 (pthread_create): New hook function.
1190 (__mf_pthread_cleanup, _spawner): New helper functions.
1191 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
1193 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
1195 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
1197 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
1199 * Makefile.am (HOOKOBJS): Add *time related hooks.
1200 * configure.in: Look for pthreads.h header.
1201 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
1202 * mf-runtime.c: Begin sketching some pthreads support.
1203 (__mf_usage): Check for -lpthread presence.
1204 (__mf_unregister): Confirm matching unregistration base.
1205 (__mf_find_objects_rec): Reduce unnecessary recursion.
1206 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
1207 #defines for new hook functions.
1208 * mf-impl.h: Corresponding changes.
1209 * config.h.in, configure, Makefile.in: Regenerated.
1211 2002-04-27 Diego Novillo <dnovillo@redhat.com>
1213 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
1214 modifiers to prevent being optimized away.
1215 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
1216 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1217 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
1218 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1219 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
1220 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
1221 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
1223 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1225 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1226 * configure.in: Look for uintptr_t and -ldl on target.
1227 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1228 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1229 * testsuite/Makefile.in: Regenerated.
1230 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1231 for better C compliance.
1233 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1235 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1237 * mf-runtime.c (__mf_set_default_options): Turn off
1238 check-initialization.
1239 (__mf_describe_object): Shorten description.
1240 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1242 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
1244 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1246 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
1248 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1250 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1251 * mf-impl.h (CALL_BACKUP): New macros.
1252 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1254 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
1256 * Makefile.am (AM_CFLAGS): Remove optimization flags.
1257 (HOOKOBJS): Remove dlopen hook.
1258 (libmudflap_la_LIBADD): Add -ldl.
1259 * mf-hooks.c (dlopen): Remove hook.
1260 * mf-impl.h (__mf_dynamic): Ditto.
1261 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1262 * Makefile.in: Regenerated.
1264 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
1266 * configure.in: Check for target gettimeofday, signal, some headers.
1267 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
1268 out inop multi_threaded field.
1269 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1270 (__mf_set_options): Correct handling of "-help".
1271 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1272 (__mf_check, __mf_register, __mf_unregister): Call it.
1273 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1274 (__mf_report_leaks): Make callable
1275 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
1276 distribution statistics.
1277 (__mf_adapt_cache): Rewrite shift guessing logic based on address
1279 * config.h.in, configure: Regenerated.
1280 * testsuite/libmudflap.c/fail27-frag.c: New test.
1281 * testsuite/libmudflap.c/pass36-frag.c: New test.
1283 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
1285 * mf-runtime.h.in: Tweak.
1286 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1287 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1288 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1290 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1292 * configure.in: Tweak generation of mf-runtime.h some more. It
1293 needs to work from both config.status and configure.
1294 * configure: Regenerated.
1296 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1298 * Makefile.am: Reorganize hook file building. Add auto dependencies.
1299 * configure.in: Tweak generation of mf-runtime.h.
1300 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1301 * mf-hooks.c (*): Adapt to initialized-heap object type.
1302 * mf-impl.h: Tweak cemetary boundaries.
1303 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1305 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1306 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1307 * testsuite/lib/libmudflap.exp (includes): Include build tree.
1308 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1310 * testsuite/.../fail{25,26}-frag.c: New tests.
1311 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1312 * Makefile.in, configure: Regenerated.
1314 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1316 * mf-runtime.c (__mf_set_default_options): Turn on initialization
1317 checking by default.
1318 (__mf_insert_new_object): As a temporary hack, assume that new
1319 objects registered on the stack start out initialized.
1320 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1321 heap objects by hand.
1323 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1325 Switch to macro-style hooks for str*/mem*/b* functions.
1326 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1327 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1328 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1329 (__mf_set_default_options): Turn off heur_proc_map.
1330 (*): Adapt to to macro-style hook functions.
1331 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1332 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1333 (__mf_violation): Handle __MF_VIOL_WATCH.
1334 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1335 (__mf_dynamic): Removed mem*/str*/b* functions.
1336 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1337 (WRAPPER2): New macro for macro-style hooks.
1338 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1340 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1341 * mf-heuristics.c: Adapt to macro-style hook functions.
1342 Correct some comments.
1343 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1344 output pattern tests.
1345 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1346 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1348 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1350 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1351 for global array registration.
1352 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1353 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1355 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1357 * Makefile.am: Add gross make bug workarounds. Tweaked
1358 SUBDIRS and AM_CFLAGS.
1359 * Makefile.in: Regenerated.
1361 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1364 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1365 * Makefile.am (TESTS): Remove simple automake testing.
1366 * configure, Makefile.in: Regenerated.
1367 (SUBDIRS): Include new testsuite/ directory.
1368 * tests/*: Removed all files; moved bulk under:
1369 * testsuite/*: New subdirectory tree.
1370 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1371 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1372 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1373 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1374 * testsuite/config/default.exp: New file.
1375 * testsuite/Makefile.am, Makefile.in: New files.
1377 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1379 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1380 (TESTS): Add fail22 and pass29 tests.
1381 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1382 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1383 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1384 values. Move __MF_VIOL* here.
1385 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1386 (check_initialization): New field in __mf_opts. Default off.
1387 (read_count,write_count): New fields in __mf_object.
1388 (__mf_check): Implement basic initialization checking.
1389 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1390 (__mf_describe_object): Print new fields.
1391 (__mf_violation): Identify check/read vs. check/write in messages.
1392 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1393 "-check-initialized" mudflap option.
1394 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1395 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1396 Drop __FILE__/__LINE__ hack. Update callers.
1397 (*): Adapt to new mf-runtime.h API.
1398 * Makefile.in: regenerated.
1400 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1402 * configure.in: Build mf-runtime.h a more proper way.
1403 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1404 * mf-runtime.c (verbose_violations): Turn on by default.
1405 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1406 * mf-impl.h: ... and move it here.
1407 * configure: Regenerated.
1409 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1411 * configure.in: Look for C++ compiler.
1412 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1413 fixed type warnings when built with C++.
1414 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1415 * Makefile.am (TESTS): Run them.
1416 (*) Add new rules for building and running C++ tests.
1417 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1418 * mf-runtime.h.in: Protect with extern "C".
1419 * Makefile, configure: Regenerated.
1421 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1423 Portability improvements.
1424 * configure.in: Look for glibc backtrace headers/functions.
1425 * mf-hooks.c: Don't include <execinfo.h> any more.
1426 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1428 (__mf_backtrace): Provide alternate baby implementation in
1430 * test/mf-driver.c: Portability tweaks.
1431 * acinclude.m4: New file, containing top level libtool.m4.
1432 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1434 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1436 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1438 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1440 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1442 (__mf_unregister): Implement stack/heap object wiping.
1443 (__mf_set_options): Renamed from __mf_process_opts.
1444 (__mf_uncache_object): Change arg type, correct callers.
1445 * mf-impl.h: Corresponding changes.
1446 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1447 * mf-runtime.h.in (__mf_set_options): Extend public API.
1448 * test/pass26-frag.c: New test for stack wiping.
1449 * Makefile.am (TESTS): Run it.
1450 * Makefile.in: Regenerated.
1452 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1454 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1455 * mf-runtime.c (__mf_object_t): Add watching_p field.
1456 (__mf_watch_or_not): New function to implement
1457 object watch flagging.
1458 (__mf_watch, __mf_unwatch): New wrappers for above.
1459 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1460 (__mf_count_violation): Enlarge array.
1461 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1462 unlink object. Clear cache properly.
1463 (__mf_unregister): Unlink object explicitly before uncaching.
1464 * test/fail21-frag.c, pass25-frag.c: New tests.
1465 * Makefile.in, aclocal.m4: Regenerated.
1467 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1469 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1470 * Makefile.am (TESTS): Add it.
1471 * test/pass-stratcliff.c: Add decls of stpcpy.
1472 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1473 build tree from config.h and new file mf-runtime.h.in.
1474 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1475 * Makefile.in, configure, config.h.in: Regenerated.
1476 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1477 * mf-runtime.c (options, __mf_set_default_options): Support new
1478 default "abbreviate" option.
1479 (__mf_object.description_epoch): New field.
1480 (__mf_describe_object): Conditionally abbreviate objects already
1481 displayed in current epoch. Accept NULL input to increment epoch.
1482 (__mf_fini, __mf_ini): Reset description epoch.
1483 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1484 that NULL pointer slot in lookup cache is invalidated. Register a
1485 NOACCESS region around NULL.
1486 * mf-impl.h: Corresponding changes.
1488 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1490 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1491 * Makefile.am: Run them. Install mf-runtime.h.
1492 * Makefile.in: Regenerated.
1493 * mf-hooks.c: Add some markers for more missing functions.
1494 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1495 statistic to tune tune cache size (mask).
1497 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1499 * test/pass23-frag.c: New test for bit_field_ref expressions.
1500 * Makefile.am, Makefile.in: Add new test.
1501 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1502 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1503 * mf-runtime.c (__mf_init): Register errno global.
1504 (__mf_find_object): Removed function.
1505 (__mf_check): Rewrite logic to support accesses across some
1506 contiguous but distinctly registered objects.
1507 (__mf_remove_old_object): Tolerate cache entries that span
1510 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1512 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1513 * Makefile.am, Makefile.in: Run new tests.
1514 * mf-hooks.c (alloca): Correct stack direction logic.
1516 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1518 * mf-impl.h (adapt_cache): New option.
1519 * mf-runtime.c (__mf_set_default_options): Set its default value.
1520 Tweak the tree_aging parameter down.
1521 (__mf_check): Maintain separate counter for cache-adaptation.
1522 (__mf_tree_analyze): New function to collect object tree stats.
1523 (__mf_adapt_cache): New function to automate cache parameters.
1525 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1527 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1528 hypothetical #if-0'd argv/envp region registration.
1529 * mf-runtime.c (__mf_init): Add kludged form of above.
1530 (*) Add "heur_argv_environ" flag, default on, to govern this.
1531 * mf-impl.h: Corresponding changes.
1533 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1535 * test/fail18-frag.c: New test file for NOACCESS regions.
1536 * Makefile.am (TESTS): Add new test.
1537 * Makefile.in: Regenerated.
1539 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1540 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1541 (optimize_object_tree): Remove unused mudflap_option.
1542 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1543 support throughout. Use .._MAX_CEM for cemetary upper bound.
1544 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1546 (__mf_object): Add new liveness field for use by tree aging.
1547 (__mf_check): Trigger tree aging when needed.
1548 (__mf_age_tree): New function to decay liveness field.
1549 (__mf_find_objects_rec): Use liveness field to rotate tree.
1550 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1551 (__mf_unregister): Ditto.
1552 (__mf_register): Tweak duplicate-static message.
1553 (__mf_violation: Tweak nearby-object counter printing.
1555 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1557 * test/pass20-frag.c: New test file.
1558 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1559 * Makefile.in: Regenerated.
1561 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1562 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1563 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1564 entries to avoid repeat registration.
1565 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1566 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1568 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1570 * Makefile.am: Create test sources with #include, not cat>>.
1571 * Makefile.in: Regenerated.
1572 * test/buildtest.sh: Removed.
1573 * test/driver.c (abort_handler, main): Be quiet.
1575 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1577 * test/pass18-frag.c, pass19-frag.c: New tests.
1578 * Makefile.am (check): Run them. Rebuild test programs each time.
1579 * Makefile.in: Regenerated.
1581 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1583 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1584 overlapping object search.
1585 (__mf_violation): Likewise for nearby objects.
1586 Improve nearby-object listing.
1589 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1590 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1592 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1595 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1596 (HOOKOBJS): Add alloca-hook.o.
1597 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1599 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1600 (__mf_backtrace): Reimplement without using alloca.
1601 * Makefile.in: Regenerated.
1604 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1605 Correct signedness bugs in length-tracking variables.
1606 * mf-impl.h: Make options unsigned.
1607 (CALL_WRAP): New macro to parallel CALL_REAL().
1608 (DECLARE): Remove erroneous ";" at end.
1609 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1610 formatting specs with %08lx. Correct several compiler warnings.
1612 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1614 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1616 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1618 libmudflap hook breakup:
1619 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1621 (TESTS): Make dependent on libmudflap.
1622 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1623 compiled from segments of mf-hooks.c.
1624 * mf-hooks.c: Corresponding changes: wrap each function in
1626 * Makefile.in: Regenerated.
1628 Heuristics reorganization:
1629 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1630 Remove these functions. Update callers.
1631 (__mf_heuristic_check): Incorporate all the various heuristics.
1632 Encode cacheability/retry judgement into trinary return value.
1633 Separate start-end logic into a separate fallback heuristic. Only
1634 register relevant /proc/self/map segments.
1635 * mf-impl.h: Corresponding changes.
1636 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1637 (__mf_init): Don't call __mf_init_heuristics.
1640 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1641 "-verbose-trace" to emit all tracing messages other than those of
1642 basic public api. Eliminate some duplicate/excessive messages.
1643 * mf-runtime.h: Corresponding changes.
1645 2002-08-27 Graydon Hoare <graydon@redhat.com>
1647 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1648 and __real when compiled with -DPIC.
1649 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1650 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1651 * Makefile.in: Regenerate.
1653 2002-08-26 Graydon Hoare <graydon@redhat.com>
1655 * mf-impl.h: New file, private implementation header.
1656 * mf-runtime.h: Reorganize a bit.
1657 (CLAMPSZ): Fix arithmetic.
1658 (__MF_CACHE_MISS_P): Fix arithmetic.
1659 * mf-runtime.c: Reorganize a bit.
1660 (__mf_dynamic): New structure.
1661 (resolve_single_dynamic): New function.
1662 (__mf_resolve_dynamics): New function.
1663 (__mf_init): Initialize dynamic wrappers.
1664 * mf-hooks.c: Macro-ize __real calls.
1665 Clamp various bits of arithmetic.
1666 Add explicit __mf_check call contexts.
1667 * Makefile.am: Add dependencies on mf-impl.h
1668 * Makefile.in: Regenerate.
1669 * configure.in: Comment out shared override.
1670 * configure: Regenerate.
1672 2002-08-22 Graydon Hoare <graydon@redhat.com>
1674 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1675 (__mf_check): Re-inialize and check heuristics before violation.
1676 (__mf_register): Permit updating pure-guess regions.
1677 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1678 (__wrap_dlopen): New wrapper function.
1679 (__wrap_mmap): New wrapper function.
1680 (__wrap_munmap): New wrapper function.
1681 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1682 which are not stack addresses.
1683 (is_stack_address): New function.
1684 (__mf_init_heuristics): Save and restore state, always initialize with
1687 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1689 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1690 error. Pass location string.
1691 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1692 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1693 (__mf_process_opts): Apply some sanity checking for lc-mask.
1694 (__mf_check, __mf_violation): Take new location-string argument.
1695 Update callers to pass NULL if necessary.
1696 (__mf_backtrace): New smart backtracer function. Calls replace
1697 several ad-hoc blocks elsewhere.
1698 (__mf_describe_object): Remove bad reentrancy test. Improve
1700 * mf-runtime.h: Corresponding changes. Public/private markup.
1701 (__MF_CACHE_MISS_P): New macro.
1703 2002-08-20 Graydon Hoare <graydon@redhat.com>
1705 * mf-runtime.h: New option: stack_bound (heuristic).
1706 Move some macros out of implementation files.
1707 * mf-runtime.c: New option string: -stack-bound.
1708 Unify recursion protection with hooks.
1710 (__mf_check): Call __mf_heuristic_check.
1711 (__mf_process_opts): Fix "no-" processing.
1712 * mf-heuristics.c (__mf_heuristic_check): New function.
1713 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1715 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1717 Option parsing improvements, region splitting bug fixes:
1718 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1719 * mf-runtime.h (heur_proc_map): New libmudflap option.
1720 * mf-runtime.c (__mf_set_default_options): Set it.
1721 (__mf_usage): Print default values/status.
1722 (__mf_process_opts): Support general "no-" option string prefix.
1723 (__mf_init): Print __mf_usage on unknown-option error.
1724 (__mf_register): Print trace message up front.
1725 Correct region splitting logic for case where a subregion disappears.
1726 Correct memory leak.
1727 (__mf_violation): Make even basic message conditional on option.
1730 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1731 (clean-local): New target.
1732 (test/*x rules): Add -g CFLAGS.
1733 (CFLAGS): Add -freorder-blocks.
1734 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1735 * Makefile.in: Regenerated.
1736 * Makefile, mf-config.h: Removed files.
1738 2002-08-16 Graydon Hoare <graydon@redhat.com>
1740 * mf-runtime.c (__mf_insert_new_object): Factor out of
1742 (__mf_remove_old_object): Factor out of __mf_unregister.
1743 (__mf_register): Handle guessed regions, splitting
1744 guesses when new registrations arrive.
1745 (__mf_unregister): Do not unregister guesses.
1746 * mf-runtime.h: Move convenience macros around,
1747 declare new option fields. Add __MF_TYPE_GUESS.
1748 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1749 (__wrap_free): Call __real_free for deferred frees.
1750 * Makefile.am: Add more tests, fix dependency.
1751 * Makefile.in: Regenerate.
1752 * test/pass[13..17]-frag.c: New testcases.
1753 * test/fail[13..17]-frag.c: New testcases.
1755 2002-08-15 Graydon Hoare <graydon@redhat.com>
1757 * mf-heuristics.c: New file.
1758 * mf-runtime.c (options): Add -trace-calls option.
1759 (__mf_init): Call __mf_init_heuristics.
1761 2002-08-14 Graydon Hoare <graydon@redhat.com>
1763 * Makefile.am (TESTS): Add testsuite support.
1764 * Makefile.in: Regenerate.
1765 * test/mf-driver.c: New file.
1766 * test/buildtest.sh: New file.
1767 * test/passNN-frag.c: New testcases.
1768 * test/failNN-frag.c: New testcases.
1770 2002-08-14 Graydon Hoare <graydon@redhat.com>
1772 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1773 verifying non-size-limited string extents.
1775 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1777 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1778 instead of plain str[n]len for internal checks.
1779 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1781 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1783 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1785 2002-08-13 Graydon Hoare <graydon@redhat.com>
1787 * mf-runtime.c: Rework configuration to operate on
1788 environment variable options rather than #defines
1789 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1790 (__mf_init): Set static __mf_active_p flag on startup,
1791 to inhibit mudflap wrap-based checking during crt0.s.
1792 * mf-runtime.h: Declare options structure.
1793 * mf-hooks.c: New wrappings for mem*, b*, str*
1794 libc functions (temporarily #if 0-ed out).
1796 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1798 * Makefile.am, configure.in: New files.
1799 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1800 * stamp-h.in, aclocal.m4: Ditto.
1802 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1804 * Makefile: New file.
1805 * mf-config.h: New file: runtime configuration.
1806 * mf-hooks.c: New file: interposed libc functions.
1807 * mf-runtime.c: New file: bulk of runtime.
1808 * mf-runtime.h: New file: public functions.