1 2005-10-04 James E Wilson <wilson@specifix.com>
3 * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
4 $name as array of characters with unknown bound. Also store into the
6 * configure: Regenerate.
8 2005-09-30 James E. Wilson <wilson@specifix.com>
10 * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
12 (target_thread_file): New. Set from sed'ed gcc output.
13 (posix_threads): New. Set from target_thread_file. Use instead of
15 (pthread_create_version): Move initialization before code using it.
16 * configure: Regenerate.
18 * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
21 2005-09-29 James E. Wilson <wilson@specifix.com>
23 * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
26 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
29 * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
31 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
33 * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
35 2005-09-23 Tom Tromey <tromey@redhat.com>
37 * aclocal.m4, configure: Rebuilt.
38 * configure.ac: Use GCC_CHECK_TLS.
39 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
42 2005-08-22 Jim Wilson <wilson@specifix.com>
44 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
45 __FreeBSD__ is defined.
47 2005-08-17 Jim Wilson <wilson@specifix.com>
49 * mf-hooks1.c (malloc, calloc, realloc, free,
50 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
51 the real routines, and END_MALLOC_PROTECT afterwards.
52 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
53 (BEGIN_PROTECT): Handle in_malloc state.
54 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
55 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
57 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
59 * All files: Update FSF address.
61 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
63 * mf-hooks3.c (main_seen_p): Remove.
64 (__mf_get_state): Remove attempt to recognize the main thread.
66 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
68 * configure.ac: Test for the name of the symbol used for the entry
69 point; define ENTRY_POINT to the result.
70 * configure: Regenerate.
71 * config.h.in: Regenerate.
72 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
74 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
76 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
77 (__mf_init): Set thread state active.
78 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
80 (pthread_create wrapper): Always use thread spawner.
82 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
83 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
85 2005-07-16 Richard Henderson <rth@redhat.com>
87 * acinclude.m4: New file.
88 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
89 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
90 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
91 (__mf_0fn_calloc): ... here.
92 * mf-hooks3.c (struct pthread_info): Remove.
93 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
94 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
95 (struct mf_thread_data): New.
96 (mf_thread_data, mf_thread_data_lock): New.
97 (__mf_allocate_blank_threadinfo): Remove.
98 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
100 (__mf_state_perthread): Remove.
101 (__mf_get_state, __mf_set_state): New.
102 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
103 Update mf_thread_data killing procedure.
104 (__mf_pthread_spawner): Similarly.
105 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
106 code to allocate thread stack space.
107 (__mf_0fn_pthread_join, pthread_join): Remove.
108 (__mf_0fn_pthread_exit, pthread_exit): Remove.
109 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
110 (__mf_state_1): Rename from __mf_state; use TLS when available.
111 (__mf_get_state, __mf_set_state): New. Update all users.
112 * mf-runtime.c (begin_recursion_protect1): New.
113 (BEGIN_RECURSION_PROTECT): Use it.
114 (__mf_state_1): Rename from __mf_state; use TLS when available.
115 (threads_active_p): Remove.
116 (__mf_usage): Compute it directly.
118 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
120 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
122 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
124 Fix for uncaching bug reported by Herman ten Brugge.
125 * mf-runtime.c (__mf_uncache_object): Search whole cache.
126 * testsuite/libmudflap.c/fail40-frag.c: New test.
128 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
131 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
132 * Makefile.in: Amend.
134 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
137 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
138 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
140 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
143 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
145 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
148 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
149 unsigned vars with #defines instead of enums.
151 2005-05-09 Mike Stump <mrs@apple.com>
153 * configure: Regenerate.
155 2005-04-12 Mike Stump <mrs@apple.com>
157 * configure: Regenerate.
159 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
162 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
163 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
165 2005-04-04 Alan Modra <amodra@bigpond.net.au>
167 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
169 2005-03-31 Mike Stump <mrs@apple.com>
171 * mf-runtime.h: Add libmudflap copyright clause.
173 2005-03-21 Mike Stump <mrs@apple.com>
175 * mf-heuristics.c: Fix whitespace at end of line.
176 * mf-hooks1.c: Likewise.
177 * mf-hooks2.c: Likewise.
178 * mf-hooks3.c: Likewise.
179 * mf-impl.h: Likewise.
180 * mf-runtime.c: Likewise.
181 * mf-runtime.h: Likewise.
183 2005-03-21 Zack Weinberg <zack@codesourcery.com>
185 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
186 In all substitutions, expand gcc_version in Makefile.
187 * aclocal.m4, configure: Regenerate.
188 * Makefile.am: Set gcc_version.
189 * Makefile.in, testsuite/Makefile.in: Regenerate.
191 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
193 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
194 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
196 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
199 * testsuite/libmudflap.c++/pass55-frag.c: New test.
201 2005-01-05 Richard Henderson <rth@redhat.com>
203 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
205 2005-01-02 Greg McGary <greg@mcgary.org>
207 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
208 * mf-runtime.h: New file, replaces mf-runtime.h.in.
209 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
210 * Makefile.in: Ditto.
211 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
212 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
213 * testsuite/libmudflap.c/fail36-frag.c: New test.
214 * testsuite/libmudflap.c/fail37-frag.c: New test.
215 * testsuite/libmudflap.c/fail38-frag.c: New test.
217 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
219 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
220 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
222 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
224 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
225 * aclocal.m4: Include ../config/gcc-version.m4.
226 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
228 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
230 * Makefile.am: Define ACLOCAL_AMFLAGS.
231 * acinclude.m4: Remove.
232 * stamp-h.in: Remove superfluous stamp file.
233 * aclocal.m4, configure, Makefile.in: Regenerate.
234 * testsuite/Makefile.in: Likewise.
236 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
238 * Makefile.am: Revert previous.
239 * acinclude.m4: Restore.
240 * aclocal.m4, configure, Makefile.in: Regenerate.
241 * testsuite/Makefile.in: Likewise.
243 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
245 * Makefile.am: Define ACLOCAL_AMFLAGS.
246 * acinclude.m4: Remove.
247 * aclocal.m4, configure, Makefile.in: Regenerate.
248 * testsuite/Makefile.in: Likewise.
250 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
252 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
254 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
256 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
257 * testsuite/Makefile.in: Likewise.
259 2004-11-01 Andreas Schwab <schwab@suse.de>
261 * configure.ac: (target_alias): Default to $host_alias, not
263 * configure: Regenerated.
265 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
267 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
268 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
271 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
274 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
276 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
278 * configure.ac: Check for more headers, functions.
279 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
280 tracking overridden FILE buffers.
281 (fopen, setvbuf): New/revised hook functions for buffer overriding.
282 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
283 (fflush): Accept given NULL stream (means "all streams").
285 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
287 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
288 (__mf_adapt_cache): Use them all.
289 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
290 * testsuite/libmudflap.c++/ctors.exp: Ditto.
291 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
292 * configure, config.h.in: Regenerated.
294 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
296 * configure.ac: Checking for sys/socket.h once is enough.
297 * configure: Regenerated.
299 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
301 * configure.ac: Look for more headers & functions.
302 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
303 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
304 * mf-runtime.c (options): Clean up integer signedness warnings.
305 (main): Add a declaration to fix a warning.
306 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
307 * configure, config.h.in: Regenerated.
309 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
311 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
312 New tests for proper base/limit checking for aggregates.
314 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
316 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
318 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
320 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
321 * mf-hooks2.c (strerror): Unregister previous string returned by
323 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
324 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
325 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
326 * mf-runtime.c (__mf_describe_object): Clarify object life status.
327 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
329 * configure, config.h.in: Regenerated.
331 2004-08-03 Dale Johannesen <dalej@apple.com>
333 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
335 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
337 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
338 simplified contents in all former callers.
340 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
342 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
343 the statically linked case.
345 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
347 * splay-tree.[ch]: Remove. Merge contents into ...
348 * mf-runtime.c: ... here, renaming symbols and making all functions
349 static. Remove unused min/max functions.
350 * Makefile.am: Forget about splay-tree.[ch].
351 * Makefile.in, testsuite/Makefile.in: Regenerated.
353 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
355 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
356 (__mfu_usage): Include (C) 2004.
357 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
358 here. Include a comment explaining why.
360 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
362 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
363 * mf-runtime.c (options): Give them a name.
364 (__mf_set_default_options): Set them.
365 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
366 (__mf_violation): Warning cleanup.
367 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
368 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
370 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
373 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
376 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
378 Test case for g++/15861
379 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
380 * testsuite/libmudflap.c++/ctors.exp: Driver.
381 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
382 Look only for *frag* test cases.
384 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
386 ANSI C conversion, libmudflap specialization, recursion limiting.
387 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
388 argument and indirection function pointers, update callers.
389 (splay_tree_s): Add statistics and recursion control fields
390 num_keys, max_depth, depth, rebalance_p.
391 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
392 Back out of search if it exceeds limit.
393 (splay_tree_splay): Manage recursion limiting with rebalancing as
395 (splay_tree_new): More initialization.
396 (splay_tree_rebalance): New function.
397 (splay_tree_foreach): Rewrite using nonrecursive logic.
398 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
399 Remove. Point indirect calls to mf-runtime.c's routines.
400 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
402 (splay_tree_delete, splay_tree_delete_helper): Ditto.
403 * testsuite/heap-scalestress.c: New test based on one from
404 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
406 2004-07-05 Matthias Klose <doko@debian.org>
408 * libtool-version: New.
409 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
410 Use -version-info for soname.
411 * Makefile.in: Regenerate.
412 * configure.ac: Remove libtool_VERSION macro
413 * configure: Regenerate
415 2004-07-05 Zack Weinberg <zack@codesourcery.com>
417 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
418 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
421 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
423 Splay tree implementation fork.
424 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
425 Use hard-coded comparison function for uintptr_t. Remove key/value
426 deallocation logic. Cache last splayed key for consecutive lookups.
427 * Makefile.am, Makefile.in: Use them, don't link to them.
428 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
429 (__mf_find_objects2): Flip successor/predecessor search sequence.
430 * ansidecl.h, libiberty.h: Removed dummy files.
432 2004-06-29 Nick Clifton <nickc@redhat.com>
434 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
435 * configure: Regenerate.
436 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
438 Remove spurious inclusion of <strings.h>.
440 2004-06-29 Nick Clifton <nickc@redhat.com>
442 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
443 function actually exists.
445 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
447 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
448 * config.h.in: Regenerated.
450 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
452 Adopt splay trees for object database.
453 * Makefile.am: Copy splay-tree.* from libiberty.
454 * Makefile.in, testsuite/Makefile.in: Regenerated.
455 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
456 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
457 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
458 * mf-runtime.c: Rewrite code dealing with object database to use
459 libiberty splay trees. Remove tree liveness aging option.
460 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
462 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
464 * configure.ac: New name of configure.in. Update
465 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
466 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
467 Autoconf 2.5x and Automake 1.7 or later.
468 * configure.in: Remove.
469 * configure: Regenerate.
471 * Makefile.am: Remove useless multilib rules.
472 * Makefile.in: Regenerate.
474 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
476 * .cvsignore: New file.
478 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
481 * mf-hooks2.c (semctl): Add cygwin porting hack.
483 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
486 * configure.in: Look for ctype header and glibc implementation.
487 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
488 array hooks for glibc 2.3.
489 * mf-runtime.h.in: Wrap them.
490 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
492 * testsuite/libmudflap.c/pass47-frag.c: New test.
493 * configure, config.h.in: Regenerated.
495 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
497 Portability improvements, e.g., libmudflap/15293.
498 * configure.in: Look for glibc extension functions. Look for
499 support of -f{function,data}-sections. Look for more headers.
500 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
501 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
502 mf-hooks* into usual single object per source.
503 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
504 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
505 if system doesn't provide one.
506 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
507 (pthread_create): Use it to properly GC dead thread stacks.
508 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
509 * testsuite/Makefile.am: Stop generating site.exp.
510 * testsuite/mfconfig.exp.in: New file.
511 * testsuite/config/default.exp: Load new mfconfig.exp.
512 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
513 (prune_gcc_output): Add glibc static linking warnings.
514 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
515 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
516 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
517 Regenerated with autoconf 2.57 and automake 1.7.
519 2004-06-04 Per Bothner <per@bothner.com>
521 * configure.in (LIBMUDFLAPTH): Fix thinko.
523 * configure.in: Check for more headers.
524 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
526 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
527 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
529 2004-06-01 Andreas Jaeger <aj@suse.de>
531 * configure.in: Handle multilibs, support
532 --enable-version-specific-runtime-libs.
533 * Makefile.am (lib_LTLIBRARIES): Rename to ...
534 (toolexeclib_LTLIBRARIES): this for multilib support.
535 * Makefile.in: Regenerated.
536 * configure: Regenerated.
537 * aclocal.m4: Regenerated.
538 * config.h.in: Regenerated.
539 * testsuite/Makefile.in: Regenerated.
541 2004-06-01 Andreas Jaeger <aj@suse.de>
543 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
544 multilibs, using multilib directory instead of hardcoded path.
547 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
549 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
550 * Makefile.in: Ditto.
552 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
554 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
555 * aclocal.m4, configure: Rebuilt.
557 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
559 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
560 import some build settings from libstdc++-v3 testsuite_flags.
561 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
562 changes to pass test language.
564 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
565 quicker mode-nop handling.
567 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
569 * mf-impl.h: Added libgcc license header.
571 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
573 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
574 Added libgcc license header.
575 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
576 (pthread_create): Simplify stack allocation syntax.
578 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
580 * mf-hooks2.c: Support FreeBSD.
581 (WRAP_gets): Avoid gets().
582 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
583 test unimplemented mem/str calls on FreeBSD.
584 * testsuite/libmudflap.c/pass21-frag.c: Do not include
585 <alloca.h> on FreeBSD.
587 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
589 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
590 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
591 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
592 flags for static linking permutation.
593 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
594 some pthreads code that croaks on linux glibc tls.
596 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
598 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
600 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
602 * testsuite/libmudflap.c/pass44-frag.c: New test.
604 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
606 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
608 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
610 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
612 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
614 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
616 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
619 * configure.in: Add check for see if
620 socklen_t typedef is in sys/socket.h.
621 * mf-hooks1.c: Add define if socklen_t
623 * mf-hooks2.c: Likewise.
624 * mf-hooks3.c: Likewise.
625 * config.h.in: Regen.
628 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
630 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
631 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
633 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
634 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
635 (unoptimized) allocation of stack space.
637 2003-12-07 Richard Henderson <rth@redhat.com>
639 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
640 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
642 2003-12-06 Andrew Pinski <apinski@apple.com>
644 partial PR libmudflap/12670
645 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
646 * mf-hooks2.c: Likewise.
647 * mf-hooks3.c: Likewise.
649 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
652 * mf-runtime.h.in: Switch to #pragma redefine_extname for
653 symbols interposed at compile time.
654 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
657 * mf-hooks2.c (semctl): Tolerate FreeBSD.
659 * configure.in: Reorganize check for <pthread.h>.
660 * configure: Regenerated.
662 2003-11-04 David Edelsohn <edelsohn@gnu.org>
664 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
665 (_LARGE_FILE_API): Define for AIX.
666 * mf-hooks[123]: Same.
667 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
669 2003-10-21 David Edelsohn <edelsohn@gnu.org>
671 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
673 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
675 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
677 * configure.in: Update check for union semun.
679 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
682 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
684 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
687 * configure.in: Add checks for 64-bit LFS functions, struct semun
688 definition, for BSD compatibility.
689 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
690 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
691 * mf-hooks3.c: Ditto.
692 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
694 * configure, config.h.in: Regenerated.
696 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
698 Multithreading fixes:
699 * mf-runtime.c (__mf_object): Store allocating/deallocating
701 (options): Support new "-thread-stack" option.
702 Rename "-heur-argv-environ" option to "-heur-stdlib".
703 Disable "-lc-mask" and "-lc-shift" options.
704 (__mf_dynamic): Add function pointers for pthread_join/_exit.
705 (__assert_fail): New self-contained function for glibc.
706 * mf-hooks3.c: Essentially rewritten, particularly related to
707 use of __mf_pthread_info array.
708 (pthread_join, _exit): New hook functions.
709 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
710 * testsuite/libmudflap.cth/pass40-frag.c: New test.
713 * mf-heuristics.c: Add type casts for tracing, sub calls.
714 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
715 Update all callers to declare explicit result holder.
716 (END_PROTECT): Removed.
717 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
719 2003-07-15 Diego Novillo <dnovillo@redhat.com>
721 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
722 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
723 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
725 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
727 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
729 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
730 Move these macros from old mf-hooks.c here.
731 * Makefile.am: Adapt to split-up hook sources for faster builds.
732 * Makefile.in: Regenerated.
734 * mf-heuristics.c: Remove #if-0 block.
736 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
737 (__mf_starting_p): New state only for use while dlsym bootstrapping.
738 (CALL_REAL, __mf_init): Corresponding changes.
739 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
740 all callers to remove redundant "mf:" prefix.
741 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
742 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
743 (__mf_pthread_info): Become a hash table.
745 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
746 "dg-repetitions" directives to control test case execution.
747 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
749 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
751 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
753 * mf-hooks.c (alloca): Separate into stub.
754 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
755 malloc/free for alloca blocks.
756 (pthread_create): Tolerate failing pthread_attr_get* calls.
757 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
758 * mf-impl.h (CALL_WRAP): Remove macro.
759 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
760 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
761 padding for ia64 BIT_FIELD_REF constructs.
763 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
765 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
766 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
767 libmudflap object type.
768 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
769 crashes on unregistering STATIC objects.
771 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
773 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
774 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
775 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
776 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
777 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
778 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
779 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
780 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
781 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
782 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
783 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
784 (accept, bind, connect, gethostname, sethostname): New hooks.
785 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
786 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
787 (semop, semctl, shmctl, shmat, shmdt): New hooks.
788 * mf-runtime.h.in: Corresponding changes.
789 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
790 (opts) Rename heur_argv_environ to heur_std_data.
791 (__mf_wrap_main): Use STATIC type for argv/environ strings.
792 * Makefile.am: Corresponding changes.
793 * Makefile.in: Regenerated.
795 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
797 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
798 heuristic for threaded case, and for non-x86-linux targets.
799 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
800 for use during pre-main() program startup.
801 (__mf_0fn_*): Make these functions non-static.
802 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
804 * mf-runtime.c (__mf_state): Set initial state to "starting".
805 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
806 (__wrap_main): New function to register argv[] and environ[] strings.
808 (*): In all trace functions, use "%p" as formatter for uintptr_t.
810 * testsuite/libmudflap.c/pass38-frag.c: New test case.
811 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
813 * acinclude.m4: Add comments with aoliva's concerns about x86_64
815 * aclocal.m4, configure: Regenerated.
817 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
819 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
820 * aclocal.m4, configure: Regenerated.
822 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
824 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
825 for x86_64 target. Disable caching for this value.
826 * aclocal.m4, configure: Regenerated.
828 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
830 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
831 is about to become deprecated, and its present handling bugs are
834 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
836 * testsuite/libmudflap.c/pass38-frag.c: New test for
839 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
841 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
842 __mf_report, asserting reentrant calling context.
844 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
846 * mf-hooks.c (realloc): Correct reentrancy logic.
847 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
849 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
851 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
852 PTHREAD_THREADS_MAX. Update users.
853 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
855 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
856 with libmudflapth presence indicator.
857 * testsuite/Makefile.in: Regenerated.
859 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
861 * Makefile.am (AM_CFLAGS): Remove "-ansi".
862 * configure.in: Remove silly no-pthreads => no-shared logic.
863 * Makefile.in, configure: Regenerated.
864 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
865 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
866 code. Count reentrancy events.
867 (all hook functions): Don't directly manipulate __mf_state variable.
868 Add TRACE calls to hook functions without them.
869 * mf-impl.h (LOCKTH): Try to count lock contention events.
870 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
871 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
872 Reorganize reentrancy code.
873 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
874 identify reentrancy with mutex holding times.
875 (internal __mfu_ entry points): Remove internal reentrancy code.
876 (__mf_init): Use ordinary locked calls.
877 (__mfu_report): Print the two new counts.
878 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
879 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
880 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
881 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
884 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
886 * configure.in: Add pthread support, plus glibc and porting hacks.
887 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
888 from objects built into ./pth/.
889 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
890 functions for internal entry points. Update callers to pick
891 locked vs. unlocked variants.
892 (__mf_resolve_single_dynamic): Extend to support symbol versioning
893 info coming in from a static data structure.
894 (*): Reorder miscellaneous declarations to group data vs functions.
895 (__mf_set_default_options): Simplify.
896 (__mf_usage): Mention threading status of host executable.
897 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
898 decls to match above.
899 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
900 * mf-heuristics.c: Choose between locked/unlocked calls. Add
901 some lock/unlock markers. Remove some unused code.
903 (pthread_create): New hook function.
904 (__mf_pthread_cleanup, _spawner): New helper functions.
905 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
907 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
909 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
911 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
913 * Makefile.am (HOOKOBJS): Add *time related hooks.
914 * configure.in: Look for pthreads.h header.
915 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
916 * mf-runtime.c: Begin sketching some pthreads support.
917 (__mf_usage): Check for -lpthread presence.
918 (__mf_unregister): Confirm matching unregistration base.
919 (__mf_find_objects_rec): Reduce unnecessary recursion.
920 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
921 #defines for new hook functions.
922 * mf-impl.h: Corresponding changes.
923 * config.h.in, configure, Makefile.in: Regenerated.
925 2002-04-27 Diego Novillo <dnovillo@redhat.com>
927 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
928 modifiers to prevent being optimized away.
929 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
930 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
931 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
932 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
933 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
934 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
935 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
937 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
939 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
940 * configure.in: Look for uintptr_t and -ldl on target.
941 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
942 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
943 * testsuite/Makefile.in: Regenerated.
944 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
945 for better C compliance.
947 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
949 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
951 * mf-runtime.c (__mf_set_default_options): Turn off
952 check-initialization.
953 (__mf_describe_object): Shorten description.
954 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
956 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
958 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
960 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
962 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
964 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
965 * mf-impl.h (CALL_BACKUP): New macros.
966 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
968 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
970 * Makefile.am (AM_CFLAGS): Remove optimization flags.
971 (HOOKOBJS): Remove dlopen hook.
972 (libmudflap_la_LIBADD): Add -ldl.
973 * mf-hooks.c (dlopen): Remove hook.
974 * mf-impl.h (__mf_dynamic): Ditto.
975 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
976 * Makefile.in: Regenerated.
978 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
980 * configure.in: Check for target gettimeofday, signal, some headers.
981 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
982 out inop multi_threaded field.
983 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
984 (__mf_set_options): Correct handling of "-help".
985 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
986 (__mf_check, __mf_register, __mf_unregister): Call it.
987 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
988 (__mf_report_leaks): Make callable
989 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
990 distribution statistics.
991 (__mf_adapt_cache): Rewrite shift guessing logic based on address
993 * config.h.in, configure: Regenerated.
994 * testsuite/libmudflap.c/fail27-frag.c: New test.
995 * testsuite/libmudflap.c/pass36-frag.c: New test.
997 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
999 * mf-runtime.h.in: Tweak.
1000 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1001 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1002 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1004 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1006 * configure.in: Tweak generation of mf-runtime.h some more. It
1007 needs to work from both config.status and configure.
1008 * configure: Regenerated.
1010 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1012 * Makefile.am: Reorganize hook file building. Add auto dependencies.
1013 * configure.in: Tweak generation of mf-runtime.h.
1014 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1015 * mf-hooks.c (*): Adapt to initialized-heap object type.
1016 * mf-impl.h: Tweak cemetary boundaries.
1017 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1019 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1020 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1021 * testsuite/lib/libmudflap.exp (includes): Include build tree.
1022 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1024 * testsuite/.../fail{25,26}-frag.c: New tests.
1025 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1026 * Makefile.in, configure: Regenerated.
1028 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1030 * mf-runtime.c (__mf_set_default_options): Turn on initialization
1031 checking by default.
1032 (__mf_insert_new_object): As a temporary hack, assume that new
1033 objects registered on the stack start out initialized.
1034 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1035 heap objects by hand.
1037 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1039 Switch to macro-style hooks for str*/mem*/b* functions.
1040 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1041 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1042 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1043 (__mf_set_default_options): Turn off heur_proc_map.
1044 (*): Adapt to to macro-style hook functions.
1045 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1046 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1047 (__mf_violation): Handle __MF_VIOL_WATCH.
1048 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1049 (__mf_dynamic): Removed mem*/str*/b* functions.
1050 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1051 (WRAPPER2): New macro for macro-style hooks.
1052 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1054 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1055 * mf-heuristics.c: Adapt to macro-style hook functions.
1056 Correct some comments.
1057 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1058 output pattern tests.
1059 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1060 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1062 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1064 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1065 for global array registration.
1066 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1067 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1069 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1071 * Makefile.am: Add gross make bug workarounds. Tweaked
1072 SUBDIRS and AM_CFLAGS.
1073 * Makefile.in: Regenerated.
1075 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1078 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1079 * Makefile.am (TESTS): Remove simple automake testing.
1080 * configure, Makefile.in: Regenerated.
1081 (SUBDIRS): Include new testsuite/ directory.
1082 * tests/*: Removed all files; moved bulk under:
1083 * testsuite/*: New subdirectory tree.
1084 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1085 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1086 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1087 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1088 * testsuite/config/default.exp: New file.
1089 * testsuite/Makefile.am, Makefile.in: New files.
1091 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1093 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1094 (TESTS): Add fail22 and pass29 tests.
1095 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1096 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1097 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1098 values. Move __MF_VIOL* here.
1099 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1100 (check_initialization): New field in __mf_opts. Default off.
1101 (read_count,write_count): New fields in __mf_object.
1102 (__mf_check): Implement basic initialization checking.
1103 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1104 (__mf_describe_object): Print new fields.
1105 (__mf_violation): Identify check/read vs. check/write in messages.
1106 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1107 "-check-initialized" mudflap option.
1108 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1109 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1110 Drop __FILE__/__LINE__ hack. Update callers.
1111 (*): Adapt to new mf-runtime.h API.
1112 * Makefile.in: regenerated.
1114 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1116 * configure.in: Build mf-runtime.h a more proper way.
1117 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1118 * mf-runtime.c (verbose_violations): Turn on by default.
1119 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1120 * mf-impl.h: ... and move it here.
1121 * configure: Regenerated.
1123 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1125 * configure.in: Look for C++ compiler.
1126 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1127 fixed type warnings when built with C++.
1128 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1129 * Makefile.am (TESTS): Run them.
1130 (*) Add new rules for building and running C++ tests.
1131 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1132 * mf-runtime.h.in: Protect with extern "C".
1133 * Makefile, configure: Regenerated.
1135 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1137 Portability improvements.
1138 * configure.in: Look for glibc backtrace headers/functions.
1139 * mf-hooks.c: Don't include <execinfo.h> any more.
1140 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1142 (__mf_backtrace): Provide alternate baby implementation in
1144 * test/mf-driver.c: Portability tweaks.
1145 * acinclude.m4: New file, containing top level libtool.m4.
1146 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1148 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1150 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1152 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1154 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1156 (__mf_unregister): Implement stack/heap object wiping.
1157 (__mf_set_options): Renamed from __mf_process_opts.
1158 (__mf_uncache_object): Change arg type, correct callers.
1159 * mf-impl.h: Corresponding changes.
1160 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1161 * mf-runtime.h.in (__mf_set_options): Extend public API.
1162 * test/pass26-frag.c: New test for stack wiping.
1163 * Makefile.am (TESTS): Run it.
1164 * Makefile.in: Regenerated.
1166 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1168 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1169 * mf-runtime.c (__mf_object_t): Add watching_p field.
1170 (__mf_watch_or_not): New function to implement
1171 object watch flagging.
1172 (__mf_watch, __mf_unwatch): New wrappers for above.
1173 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1174 (__mf_count_violation): Enlarge array.
1175 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1176 unlink object. Clear cache properly.
1177 (__mf_unregister): Unlink object explicitly before uncaching.
1178 * test/fail21-frag.c, pass25-frag.c: New tests.
1179 * Makefile.in, aclocal.m4: Regenerated.
1181 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1183 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1184 * Makefile.am (TESTS): Add it.
1185 * test/pass-stratcliff.c: Add decls of stpcpy.
1186 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1187 build tree from config.h and new file mf-runtime.h.in.
1188 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1189 * Makefile.in, configure, config.h.in: Regenerated.
1190 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1191 * mf-runtime.c (options, __mf_set_default_options): Support new
1192 default "abbreviate" option.
1193 (__mf_object.description_epoch): New field.
1194 (__mf_describe_object): Conditionally abbreviate objects already
1195 displayed in current epoch. Accept NULL input to increment epoch.
1196 (__mf_fini, __mf_ini): Reset description epoch.
1197 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1198 that NULL pointer slot in lookup cache is invalidated. Register a
1199 NOACCESS region around NULL.
1200 * mf-impl.h: Corresponding changes.
1202 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1204 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1205 * Makefile.am: Run them. Install mf-runtime.h.
1206 * Makefile.in: Regenerated.
1207 * mf-hooks.c: Add some markers for more missing functions.
1208 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1209 statistic to tune tune cache size (mask).
1211 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1213 * test/pass23-frag.c: New test for bit_field_ref expressions.
1214 * Makefile.am, Makefile.in: Add new test.
1215 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1216 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1217 * mf-runtime.c (__mf_init): Register errno global.
1218 (__mf_find_object): Removed function.
1219 (__mf_check): Rewrite logic to support accesses across some
1220 contiguous but distinctly registered objects.
1221 (__mf_remove_old_object): Tolerate cache entries that span
1224 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1226 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1227 * Makefile.am, Makefile.in: Run new tests.
1228 * mf-hooks.c (alloca): Correct stack direction logic.
1230 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1232 * mf-impl.h (adapt_cache): New option.
1233 * mf-runtime.c (__mf_set_default_options): Set its default value.
1234 Tweak the tree_aging parameter down.
1235 (__mf_check): Maintain separate counter for cache-adaptation.
1236 (__mf_tree_analyze): New function to collect object tree stats.
1237 (__mf_adapt_cache): New function to automate cache parameters.
1239 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1241 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1242 hypothetical #if-0'd argv/envp region registration.
1243 * mf-runtime.c (__mf_init): Add kludged form of above.
1244 (*) Add "heur_argv_environ" flag, default on, to govern this.
1245 * mf-impl.h: Corresponding changes.
1247 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1249 * test/fail18-frag.c: New test file for NOACCESS regions.
1250 * Makefile.am (TESTS): Add new test.
1251 * Makefile.in: Regenerated.
1253 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1254 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1255 (optimize_object_tree): Remove unused mudflap_option.
1256 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1257 support throughout. Use .._MAX_CEM for cemetary upper bound.
1258 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1260 (__mf_object): Add new liveness field for use by tree aging.
1261 (__mf_check): Trigger tree aging when needed.
1262 (__mf_age_tree): New function to decay liveness field.
1263 (__mf_find_objects_rec): Use liveness field to rotate tree.
1264 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1265 (__mf_unregister): Ditto.
1266 (__mf_register): Tweak duplicate-static message.
1267 (__mf_violation: Tweak nearby-object counter printing.
1269 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1271 * test/pass20-frag.c: New test file.
1272 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1273 * Makefile.in: Regenerated.
1275 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1276 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1277 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1278 entries to avoid repeat registration.
1279 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1280 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1282 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1284 * Makefile.am: Create test sources with #include, not cat>>.
1285 * Makefile.in: Regenerated.
1286 * test/buildtest.sh: Removed.
1287 * test/driver.c (abort_handler, main): Be quiet.
1289 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1291 * test/pass18-frag.c, pass19-frag.c: New tests.
1292 * Makefile.am (check): Run them. Rebuild test programs each time.
1293 * Makefile.in: Regenerated.
1295 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1297 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1298 overlapping object search.
1299 (__mf_violation): Likewise for nearby objects.
1300 Improve nearby-object listing.
1303 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1304 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1306 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1309 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1310 (HOOKOBJS): Add alloca-hook.o.
1311 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1313 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1314 (__mf_backtrace): Reimplement without using alloca.
1315 * Makefile.in: Regenerated.
1318 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1319 Correct signedness bugs in length-tracking variables.
1320 * mf-impl.h: Make options unsigned.
1321 (CALL_WRAP): New macro to parallel CALL_REAL().
1322 (DECLARE): Remove erroneous ";" at end.
1323 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1324 formatting specs with %08lx. Correct several compiler warnings.
1326 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1328 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1330 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1332 libmudflap hook breakup:
1333 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1335 (TESTS): Make dependent on libmudflap.
1336 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1337 compiled from segments of mf-hooks.c.
1338 * mf-hooks.c: Corresponding changes: wrap each function in
1340 * Makefile.in: Regenerated.
1342 Heuristics reorganization:
1343 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1344 Remove these functions. Update callers.
1345 (__mf_heuristic_check): Incorporate all the various heuristics.
1346 Encode cacheability/retry judgement into trinary return value.
1347 Separate start-end logic into a separate fallback heuristic. Only
1348 register relevant /proc/self/map segments.
1349 * mf-impl.h: Corresponding changes.
1350 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1351 (__mf_init): Don't call __mf_init_heuristics.
1354 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1355 "-verbose-trace" to emit all tracing messages other than those of
1356 basic public api. Eliminate some duplicate/excessive messages.
1357 * mf-runtime.h: Corresponding changes.
1359 2002-08-27 Graydon Hoare <graydon@redhat.com>
1361 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1362 and __real when compiled with -DPIC.
1363 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1364 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1365 * Makefile.in: Regenerate.
1367 2002-08-26 Graydon Hoare <graydon@redhat.com>
1369 * mf-impl.h: New file, private implementation header.
1370 * mf-runtime.h: Reorganize a bit.
1371 (CLAMPSZ): Fix arithmetic.
1372 (__MF_CACHE_MISS_P): Fix arithmetic.
1373 * mf-runtime.c: Reorganize a bit.
1374 (__mf_dynamic): New structure.
1375 (resolve_single_dynamic): New function.
1376 (__mf_resolve_dynamics): New function.
1377 (__mf_init): Initialize dynamic wrappers.
1378 * mf-hooks.c: Macro-ize __real calls.
1379 Clamp various bits of arithmetic.
1380 Add explicit __mf_check call contexts.
1381 * Makefile.am: Add dependencies on mf-impl.h
1382 * Makefile.in: Regenerate.
1383 * configure.in: Comment out shared override.
1384 * configure: Regenerate.
1386 2002-08-22 Graydon Hoare <graydon@redhat.com>
1388 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1389 (__mf_check): Re-inialize and check heuristics before violation.
1390 (__mf_register): Permit updating pure-guess regions.
1391 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1392 (__wrap_dlopen): New wrapper function.
1393 (__wrap_mmap): New wrapper function.
1394 (__wrap_munmap): New wrapper function.
1395 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1396 which are not stack addresses.
1397 (is_stack_address): New function.
1398 (__mf_init_heuristics): Save and restore state, always initialize with
1401 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1403 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1404 error. Pass location string.
1405 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1406 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1407 (__mf_process_opts): Apply some sanity checking for lc-mask.
1408 (__mf_check, __mf_violation): Take new location-string argument.
1409 Update callers to pass NULL if necessary.
1410 (__mf_backtrace): New smart backtracer function. Calls replace
1411 several ad-hoc blocks elsewhere.
1412 (__mf_describe_object): Remove bad reentrancy test. Improve
1414 * mf-runtime.h: Corresponding changes. Public/private markup.
1415 (__MF_CACHE_MISS_P): New macro.
1417 2002-08-20 Graydon Hoare <graydon@redhat.com>
1419 * mf-runtime.h: New option: stack_bound (heuristic).
1420 Move some macros out of implementation files.
1421 * mf-runtime.c: New option string: -stack-bound.
1422 Unify recursion protection with hooks.
1424 (__mf_check): Call __mf_heuristic_check.
1425 (__mf_process_opts): Fix "no-" processing.
1426 * mf-heuristics.c (__mf_heuristic_check): New function.
1427 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1429 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1431 Option parsing improvements, region splitting bug fixes:
1432 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1433 * mf-runtime.h (heur_proc_map): New libmudflap option.
1434 * mf-runtime.c (__mf_set_default_options): Set it.
1435 (__mf_usage): Print default values/status.
1436 (__mf_process_opts): Support general "no-" option string prefix.
1437 (__mf_init): Print __mf_usage on unknown-option error.
1438 (__mf_register): Print trace message up front.
1439 Correct region splitting logic for case where a subregion disappears.
1440 Correct memory leak.
1441 (__mf_violation): Make even basic message conditional on option.
1444 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1445 (clean-local): New target.
1446 (test/*x rules): Add -g CFLAGS.
1447 (CFLAGS): Add -freorder-blocks.
1448 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1449 * Makefile.in: Regenerated.
1450 * Makefile, mf-config.h: Removed files.
1452 2002-08-16 Graydon Hoare <graydon@redhat.com>
1454 * mf-runtime.c (__mf_insert_new_object): Factor out of
1456 (__mf_remove_old_object): Factor out of __mf_unregister.
1457 (__mf_register): Handle guessed regions, splitting
1458 guesses when new registrations arrive.
1459 (__mf_unregister): Do not unregister guesses.
1460 * mf-runtime.h: Move convenience macros around,
1461 declare new option fields. Add __MF_TYPE_GUESS.
1462 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1463 (__wrap_free): Call __real_free for deferred frees.
1464 * Makefile.am: Add more tests, fix dependency.
1465 * Makefile.in: Regenerate.
1466 * test/pass[13..17]-frag.c: New testcases.
1467 * test/fail[13..17]-frag.c: New testcases.
1469 2002-08-15 Graydon Hoare <graydon@redhat.com>
1471 * mf-heuristics.c: New file.
1472 * mf-runtime.c (options): Add -trace-calls option.
1473 (__mf_init): Call __mf_init_heuristics.
1475 2002-08-14 Graydon Hoare <graydon@redhat.com>
1477 * Makefile.am (TESTS): Add testsuite support.
1478 * Makefile.in: Regenerate.
1479 * test/mf-driver.c: New file.
1480 * test/buildtest.sh: New file.
1481 * test/passNN-frag.c: New testcases.
1482 * test/failNN-frag.c: New testcases.
1484 2002-08-14 Graydon Hoare <graydon@redhat.com>
1486 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1487 verifying non-size-limited string extents.
1489 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1491 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1492 instead of plain str[n]len for internal checks.
1493 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1495 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1497 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1499 2002-08-13 Graydon Hoare <graydon@redhat.com>
1501 * mf-runtime.c: Rework configuration to operate on
1502 environment variable options rather than #defines
1503 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1504 (__mf_init): Set static __mf_active_p flag on startup,
1505 to inhibit mudflap wrap-based checking during crt0.s.
1506 * mf-runtime.h: Declare options structure.
1507 * mf-hooks.c: New wrappings for mem*, b*, str*
1508 libc functions (temporarily #if 0-ed out).
1510 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1512 * Makefile.am, configure.in: New files.
1513 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1514 * stamp-h.in, aclocal.m4: Ditto.
1516 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1518 * Makefile: New file.
1519 * mf-config.h: New file: runtime configuration.
1520 * mf-hooks.c: New file: interposed libc functions.
1521 * mf-runtime.c: New file: bulk of runtime.
1522 * mf-runtime.h: New file: public functions.