1 2005-09-30 James E. Wilson <wilson@specifix.com>
3 * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
6 2005-09-29 James E. Wilson <wilson@specifix.com>
8 * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
11 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
14 * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
16 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
18 * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
20 2005-09-23 Tom Tromey <tromey@redhat.com>
22 * aclocal.m4, configure: Rebuilt.
23 * configure.ac: Use GCC_CHECK_TLS.
24 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
27 2005-08-22 Jim Wilson <wilson@specifix.com>
29 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
30 __FreeBSD__ is defined.
32 2005-08-17 Jim Wilson <wilson@specifix.com>
34 * mf-hooks1.c (malloc, calloc, realloc, free,
35 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
36 the real routines, and END_MALLOC_PROTECT afterwards.
37 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
38 (BEGIN_PROTECT): Handle in_malloc state.
39 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
40 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
42 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
44 * All files: Update FSF address.
46 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
48 * mf-hooks3.c (main_seen_p): Remove.
49 (__mf_get_state): Remove attempt to recognize the main thread.
51 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
53 * configure.ac: Test for the name of the symbol used for the entry
54 point; define ENTRY_POINT to the result.
55 * configure: Regenerate.
56 * config.h.in: Regenerate.
57 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
59 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
61 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
62 (__mf_init): Set thread state active.
63 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
65 (pthread_create wrapper): Always use thread spawner.
67 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
68 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
70 2005-07-16 Richard Henderson <rth@redhat.com>
72 * acinclude.m4: New file.
73 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
74 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
75 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
76 (__mf_0fn_calloc): ... here.
77 * mf-hooks3.c (struct pthread_info): Remove.
78 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
79 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
80 (struct mf_thread_data): New.
81 (mf_thread_data, mf_thread_data_lock): New.
82 (__mf_allocate_blank_threadinfo): Remove.
83 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
85 (__mf_state_perthread): Remove.
86 (__mf_get_state, __mf_set_state): New.
87 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
88 Update mf_thread_data killing procedure.
89 (__mf_pthread_spawner): Similarly.
90 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
91 code to allocate thread stack space.
92 (__mf_0fn_pthread_join, pthread_join): Remove.
93 (__mf_0fn_pthread_exit, pthread_exit): Remove.
94 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
95 (__mf_state_1): Rename from __mf_state; use TLS when available.
96 (__mf_get_state, __mf_set_state): New. Update all users.
97 * mf-runtime.c (begin_recursion_protect1): New.
98 (BEGIN_RECURSION_PROTECT): Use it.
99 (__mf_state_1): Rename from __mf_state; use TLS when available.
100 (threads_active_p): Remove.
101 (__mf_usage): Compute it directly.
103 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
105 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
107 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
109 Fix for uncaching bug reported by Herman ten Brugge.
110 * mf-runtime.c (__mf_uncache_object): Search whole cache.
111 * testsuite/libmudflap.c/fail40-frag.c: New test.
113 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
116 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
117 * Makefile.in: Amend.
119 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
122 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
123 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
125 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
128 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
130 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
133 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
134 unsigned vars with #defines instead of enums.
136 2005-05-09 Mike Stump <mrs@apple.com>
138 * configure: Regenerate.
140 2005-04-12 Mike Stump <mrs@apple.com>
142 * configure: Regenerate.
144 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
147 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
148 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
150 2005-04-04 Alan Modra <amodra@bigpond.net.au>
152 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
154 2005-03-31 Mike Stump <mrs@apple.com>
156 * mf-runtime.h: Add libmudflap copyright clause.
158 2005-03-21 Mike Stump <mrs@apple.com>
160 * mf-heuristics.c: Fix whitespace at end of line.
161 * mf-hooks1.c: Likewise.
162 * mf-hooks2.c: Likewise.
163 * mf-hooks3.c: Likewise.
164 * mf-impl.h: Likewise.
165 * mf-runtime.c: Likewise.
166 * mf-runtime.h: Likewise.
168 2005-03-21 Zack Weinberg <zack@codesourcery.com>
170 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
171 In all substitutions, expand gcc_version in Makefile.
172 * aclocal.m4, configure: Regenerate.
173 * Makefile.am: Set gcc_version.
174 * Makefile.in, testsuite/Makefile.in: Regenerate.
176 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
178 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
179 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
181 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
184 * testsuite/libmudflap.c++/pass55-frag.c: New test.
186 2005-01-05 Richard Henderson <rth@redhat.com>
188 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
190 2005-01-02 Greg McGary <greg@mcgary.org>
192 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
193 * mf-runtime.h: New file, replaces mf-runtime.h.in.
194 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
195 * Makefile.in: Ditto.
196 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
197 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
198 * testsuite/libmudflap.c/fail36-frag.c: New test.
199 * testsuite/libmudflap.c/fail37-frag.c: New test.
200 * testsuite/libmudflap.c/fail38-frag.c: New test.
202 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
204 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
205 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
207 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
209 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
210 * aclocal.m4: Include ../config/gcc-version.m4.
211 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
213 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
215 * Makefile.am: Define ACLOCAL_AMFLAGS.
216 * acinclude.m4: Remove.
217 * stamp-h.in: Remove superfluous stamp file.
218 * aclocal.m4, configure, Makefile.in: Regenerate.
219 * testsuite/Makefile.in: Likewise.
221 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
223 * Makefile.am: Revert previous.
224 * acinclude.m4: Restore.
225 * aclocal.m4, configure, Makefile.in: Regenerate.
226 * testsuite/Makefile.in: Likewise.
228 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
230 * Makefile.am: Define ACLOCAL_AMFLAGS.
231 * acinclude.m4: Remove.
232 * aclocal.m4, configure, Makefile.in: Regenerate.
233 * testsuite/Makefile.in: Likewise.
235 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
237 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
239 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
241 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
242 * testsuite/Makefile.in: Likewise.
244 2004-11-01 Andreas Schwab <schwab@suse.de>
246 * configure.ac: (target_alias): Default to $host_alias, not
248 * configure: Regenerated.
250 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
252 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
253 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
256 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
259 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
261 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
263 * configure.ac: Check for more headers, functions.
264 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
265 tracking overridden FILE buffers.
266 (fopen, setvbuf): New/revised hook functions for buffer overriding.
267 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
268 (fflush): Accept given NULL stream (means "all streams").
270 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
272 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
273 (__mf_adapt_cache): Use them all.
274 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
275 * testsuite/libmudflap.c++/ctors.exp: Ditto.
276 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
277 * configure, config.h.in: Regenerated.
279 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
281 * configure.ac: Checking for sys/socket.h once is enough.
282 * configure: Regenerated.
284 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
286 * configure.ac: Look for more headers & functions.
287 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
288 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
289 * mf-runtime.c (options): Clean up integer signedness warnings.
290 (main): Add a declaration to fix a warning.
291 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
292 * configure, config.h.in: Regenerated.
294 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
296 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
297 New tests for proper base/limit checking for aggregates.
299 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
301 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
303 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
305 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
306 * mf-hooks2.c (strerror): Unregister previous string returned by
308 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
309 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
310 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
311 * mf-runtime.c (__mf_describe_object): Clarify object life status.
312 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
314 * configure, config.h.in: Regenerated.
316 2004-08-03 Dale Johannesen <dalej@apple.com>
318 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
320 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
322 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
323 simplified contents in all former callers.
325 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
327 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
328 the statically linked case.
330 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
332 * splay-tree.[ch]: Remove. Merge contents into ...
333 * mf-runtime.c: ... here, renaming symbols and making all functions
334 static. Remove unused min/max functions.
335 * Makefile.am: Forget about splay-tree.[ch].
336 * Makefile.in, testsuite/Makefile.in: Regenerated.
338 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
340 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
341 (__mfu_usage): Include (C) 2004.
342 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
343 here. Include a comment explaining why.
345 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
347 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
348 * mf-runtime.c (options): Give them a name.
349 (__mf_set_default_options): Set them.
350 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
351 (__mf_violation): Warning cleanup.
352 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
353 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
355 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
358 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
361 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
363 Test case for g++/15861
364 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
365 * testsuite/libmudflap.c++/ctors.exp: Driver.
366 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
367 Look only for *frag* test cases.
369 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
371 ANSI C conversion, libmudflap specialization, recursion limiting.
372 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
373 argument and indirection function pointers, update callers.
374 (splay_tree_s): Add statistics and recursion control fields
375 num_keys, max_depth, depth, rebalance_p.
376 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
377 Back out of search if it exceeds limit.
378 (splay_tree_splay): Manage recursion limiting with rebalancing as
380 (splay_tree_new): More initialization.
381 (splay_tree_rebalance): New function.
382 (splay_tree_foreach): Rewrite using nonrecursive logic.
383 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
384 Remove. Point indirect calls to mf-runtime.c's routines.
385 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
387 (splay_tree_delete, splay_tree_delete_helper): Ditto.
388 * testsuite/heap-scalestress.c: New test based on one from
389 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
391 2004-07-05 Matthias Klose <doko@debian.org>
393 * libtool-version: New.
394 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
395 Use -version-info for soname.
396 * Makefile.in: Regenerate.
397 * configure.ac: Remove libtool_VERSION macro
398 * configure: Regenerate
400 2004-07-05 Zack Weinberg <zack@codesourcery.com>
402 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
403 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
406 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
408 Splay tree implementation fork.
409 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
410 Use hard-coded comparison function for uintptr_t. Remove key/value
411 deallocation logic. Cache last splayed key for consecutive lookups.
412 * Makefile.am, Makefile.in: Use them, don't link to them.
413 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
414 (__mf_find_objects2): Flip successor/predecessor search sequence.
415 * ansidecl.h, libiberty.h: Removed dummy files.
417 2004-06-29 Nick Clifton <nickc@redhat.com>
419 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
420 * configure: Regenerate.
421 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
423 Remove spurious inclusion of <strings.h>.
425 2004-06-29 Nick Clifton <nickc@redhat.com>
427 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
428 function actually exists.
430 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
432 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
433 * config.h.in: Regenerated.
435 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
437 Adopt splay trees for object database.
438 * Makefile.am: Copy splay-tree.* from libiberty.
439 * Makefile.in, testsuite/Makefile.in: Regenerated.
440 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
441 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
442 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
443 * mf-runtime.c: Rewrite code dealing with object database to use
444 libiberty splay trees. Remove tree liveness aging option.
445 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
447 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
449 * configure.ac: New name of configure.in. Update
450 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
451 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
452 Autoconf 2.5x and Automake 1.7 or later.
453 * configure.in: Remove.
454 * configure: Regenerate.
456 * Makefile.am: Remove useless multilib rules.
457 * Makefile.in: Regenerate.
459 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
461 * .cvsignore: New file.
463 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
466 * mf-hooks2.c (semctl): Add cygwin porting hack.
468 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
471 * configure.in: Look for ctype header and glibc implementation.
472 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
473 array hooks for glibc 2.3.
474 * mf-runtime.h.in: Wrap them.
475 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
477 * testsuite/libmudflap.c/pass47-frag.c: New test.
478 * configure, config.h.in: Regenerated.
480 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
482 Portability improvements, e.g., libmudflap/15293.
483 * configure.in: Look for glibc extension functions. Look for
484 support of -f{function,data}-sections. Look for more headers.
485 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
486 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
487 mf-hooks* into usual single object per source.
488 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
489 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
490 if system doesn't provide one.
491 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
492 (pthread_create): Use it to properly GC dead thread stacks.
493 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
494 * testsuite/Makefile.am: Stop generating site.exp.
495 * testsuite/mfconfig.exp.in: New file.
496 * testsuite/config/default.exp: Load new mfconfig.exp.
497 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
498 (prune_gcc_output): Add glibc static linking warnings.
499 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
500 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
501 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
502 Regenerated with autoconf 2.57 and automake 1.7.
504 2004-06-04 Per Bothner <per@bothner.com>
506 * configure.in (LIBMUDFLAPTH): Fix thinko.
508 * configure.in: Check for more headers.
509 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
511 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
512 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
514 2004-06-01 Andreas Jaeger <aj@suse.de>
516 * configure.in: Handle multilibs, support
517 --enable-version-specific-runtime-libs.
518 * Makefile.am (lib_LTLIBRARIES): Rename to ...
519 (toolexeclib_LTLIBRARIES): this for multilib support.
520 * Makefile.in: Regenerated.
521 * configure: Regenerated.
522 * aclocal.m4: Regenerated.
523 * config.h.in: Regenerated.
524 * testsuite/Makefile.in: Regenerated.
526 2004-06-01 Andreas Jaeger <aj@suse.de>
528 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
529 multilibs, using multilib directory instead of hardcoded path.
532 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
534 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
535 * Makefile.in: Ditto.
537 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
539 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
540 * aclocal.m4, configure: Rebuilt.
542 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
544 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
545 import some build settings from libstdc++-v3 testsuite_flags.
546 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
547 changes to pass test language.
549 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
550 quicker mode-nop handling.
552 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
554 * mf-impl.h: Added libgcc license header.
556 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
558 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
559 Added libgcc license header.
560 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
561 (pthread_create): Simplify stack allocation syntax.
563 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
565 * mf-hooks2.c: Support FreeBSD.
566 (WRAP_gets): Avoid gets().
567 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
568 test unimplemented mem/str calls on FreeBSD.
569 * testsuite/libmudflap.c/pass21-frag.c: Do not include
570 <alloca.h> on FreeBSD.
572 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
574 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
575 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
576 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
577 flags for static linking permutation.
578 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
579 some pthreads code that croaks on linux glibc tls.
581 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
583 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
585 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
587 * testsuite/libmudflap.c/pass44-frag.c: New test.
589 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
591 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
593 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
595 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
597 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
599 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
601 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
604 * configure.in: Add check for see if
605 socklen_t typedef is in sys/socket.h.
606 * mf-hooks1.c: Add define if socklen_t
608 * mf-hooks2.c: Likewise.
609 * mf-hooks3.c: Likewise.
610 * config.h.in: Regen.
613 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
615 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
616 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
618 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
619 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
620 (unoptimized) allocation of stack space.
622 2003-12-07 Richard Henderson <rth@redhat.com>
624 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
625 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
627 2003-12-06 Andrew Pinski <apinski@apple.com>
629 partial PR libmudflap/12670
630 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
631 * mf-hooks2.c: Likewise.
632 * mf-hooks3.c: Likewise.
634 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
637 * mf-runtime.h.in: Switch to #pragma redefine_extname for
638 symbols interposed at compile time.
639 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
642 * mf-hooks2.c (semctl): Tolerate FreeBSD.
644 * configure.in: Reorganize check for <pthread.h>.
645 * configure: Regenerated.
647 2003-11-04 David Edelsohn <edelsohn@gnu.org>
649 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
650 (_LARGE_FILE_API): Define for AIX.
651 * mf-hooks[123]: Same.
652 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
654 2003-10-21 David Edelsohn <edelsohn@gnu.org>
656 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
658 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
660 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
662 * configure.in: Update check for union semun.
664 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
667 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
669 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
672 * configure.in: Add checks for 64-bit LFS functions, struct semun
673 definition, for BSD compatibility.
674 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
675 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
676 * mf-hooks3.c: Ditto.
677 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
679 * configure, config.h.in: Regenerated.
681 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
683 Multithreading fixes:
684 * mf-runtime.c (__mf_object): Store allocating/deallocating
686 (options): Support new "-thread-stack" option.
687 Rename "-heur-argv-environ" option to "-heur-stdlib".
688 Disable "-lc-mask" and "-lc-shift" options.
689 (__mf_dynamic): Add function pointers for pthread_join/_exit.
690 (__assert_fail): New self-contained function for glibc.
691 * mf-hooks3.c: Essentially rewritten, particularly related to
692 use of __mf_pthread_info array.
693 (pthread_join, _exit): New hook functions.
694 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
695 * testsuite/libmudflap.cth/pass40-frag.c: New test.
698 * mf-heuristics.c: Add type casts for tracing, sub calls.
699 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
700 Update all callers to declare explicit result holder.
701 (END_PROTECT): Removed.
702 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
704 2003-07-15 Diego Novillo <dnovillo@redhat.com>
706 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
707 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
708 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
710 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
712 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
714 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
715 Move these macros from old mf-hooks.c here.
716 * Makefile.am: Adapt to split-up hook sources for faster builds.
717 * Makefile.in: Regenerated.
719 * mf-heuristics.c: Remove #if-0 block.
721 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
722 (__mf_starting_p): New state only for use while dlsym bootstrapping.
723 (CALL_REAL, __mf_init): Corresponding changes.
724 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
725 all callers to remove redundant "mf:" prefix.
726 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
727 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
728 (__mf_pthread_info): Become a hash table.
730 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
731 "dg-repetitions" directives to control test case execution.
732 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
734 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
736 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
738 * mf-hooks.c (alloca): Separate into stub.
739 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
740 malloc/free for alloca blocks.
741 (pthread_create): Tolerate failing pthread_attr_get* calls.
742 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
743 * mf-impl.h (CALL_WRAP): Remove macro.
744 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
745 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
746 padding for ia64 BIT_FIELD_REF constructs.
748 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
750 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
751 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
752 libmudflap object type.
753 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
754 crashes on unregistering STATIC objects.
756 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
758 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
759 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
760 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
761 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
762 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
763 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
764 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
765 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
766 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
767 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
768 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
769 (accept, bind, connect, gethostname, sethostname): New hooks.
770 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
771 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
772 (semop, semctl, shmctl, shmat, shmdt): New hooks.
773 * mf-runtime.h.in: Corresponding changes.
774 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
775 (opts) Rename heur_argv_environ to heur_std_data.
776 (__mf_wrap_main): Use STATIC type for argv/environ strings.
777 * Makefile.am: Corresponding changes.
778 * Makefile.in: Regenerated.
780 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
782 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
783 heuristic for threaded case, and for non-x86-linux targets.
784 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
785 for use during pre-main() program startup.
786 (__mf_0fn_*): Make these functions non-static.
787 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
789 * mf-runtime.c (__mf_state): Set initial state to "starting".
790 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
791 (__wrap_main): New function to register argv[] and environ[] strings.
793 (*): In all trace functions, use "%p" as formatter for uintptr_t.
795 * testsuite/libmudflap.c/pass38-frag.c: New test case.
796 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
798 * acinclude.m4: Add comments with aoliva's concerns about x86_64
800 * aclocal.m4, configure: Regenerated.
802 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
804 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
805 * aclocal.m4, configure: Regenerated.
807 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
809 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
810 for x86_64 target. Disable caching for this value.
811 * aclocal.m4, configure: Regenerated.
813 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
815 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
816 is about to become deprecated, and its present handling bugs are
819 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
821 * testsuite/libmudflap.c/pass38-frag.c: New test for
824 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
826 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
827 __mf_report, asserting reentrant calling context.
829 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
831 * mf-hooks.c (realloc): Correct reentrancy logic.
832 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
834 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
836 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
837 PTHREAD_THREADS_MAX. Update users.
838 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
840 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
841 with libmudflapth presence indicator.
842 * testsuite/Makefile.in: Regenerated.
844 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
846 * Makefile.am (AM_CFLAGS): Remove "-ansi".
847 * configure.in: Remove silly no-pthreads => no-shared logic.
848 * Makefile.in, configure: Regenerated.
849 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
850 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
851 code. Count reentrancy events.
852 (all hook functions): Don't directly manipulate __mf_state variable.
853 Add TRACE calls to hook functions without them.
854 * mf-impl.h (LOCKTH): Try to count lock contention events.
855 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
856 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
857 Reorganize reentrancy code.
858 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
859 identify reentrancy with mutex holding times.
860 (internal __mfu_ entry points): Remove internal reentrancy code.
861 (__mf_init): Use ordinary locked calls.
862 (__mfu_report): Print the two new counts.
863 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
864 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
865 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
866 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
869 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
871 * configure.in: Add pthread support, plus glibc and porting hacks.
872 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
873 from objects built into ./pth/.
874 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
875 functions for internal entry points. Update callers to pick
876 locked vs. unlocked variants.
877 (__mf_resolve_single_dynamic): Extend to support symbol versioning
878 info coming in from a static data structure.
879 (*): Reorder miscellaneous declarations to group data vs functions.
880 (__mf_set_default_options): Simplify.
881 (__mf_usage): Mention threading status of host executable.
882 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
883 decls to match above.
884 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
885 * mf-heuristics.c: Choose between locked/unlocked calls. Add
886 some lock/unlock markers. Remove some unused code.
888 (pthread_create): New hook function.
889 (__mf_pthread_cleanup, _spawner): New helper functions.
890 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
892 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
894 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
896 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
898 * Makefile.am (HOOKOBJS): Add *time related hooks.
899 * configure.in: Look for pthreads.h header.
900 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
901 * mf-runtime.c: Begin sketching some pthreads support.
902 (__mf_usage): Check for -lpthread presence.
903 (__mf_unregister): Confirm matching unregistration base.
904 (__mf_find_objects_rec): Reduce unnecessary recursion.
905 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
906 #defines for new hook functions.
907 * mf-impl.h: Corresponding changes.
908 * config.h.in, configure, Makefile.in: Regenerated.
910 2002-04-27 Diego Novillo <dnovillo@redhat.com>
912 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
913 modifiers to prevent being optimized away.
914 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
915 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
916 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
917 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
918 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
919 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
920 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
922 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
924 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
925 * configure.in: Look for uintptr_t and -ldl on target.
926 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
927 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
928 * testsuite/Makefile.in: Regenerated.
929 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
930 for better C compliance.
932 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
934 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
936 * mf-runtime.c (__mf_set_default_options): Turn off
937 check-initialization.
938 (__mf_describe_object): Shorten description.
939 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
941 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
943 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
945 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
947 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
949 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
950 * mf-impl.h (CALL_BACKUP): New macros.
951 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
953 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
955 * Makefile.am (AM_CFLAGS): Remove optimization flags.
956 (HOOKOBJS): Remove dlopen hook.
957 (libmudflap_la_LIBADD): Add -ldl.
958 * mf-hooks.c (dlopen): Remove hook.
959 * mf-impl.h (__mf_dynamic): Ditto.
960 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
961 * Makefile.in: Regenerated.
963 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
965 * configure.in: Check for target gettimeofday, signal, some headers.
966 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
967 out inop multi_threaded field.
968 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
969 (__mf_set_options): Correct handling of "-help".
970 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
971 (__mf_check, __mf_register, __mf_unregister): Call it.
972 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
973 (__mf_report_leaks): Make callable
974 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
975 distribution statistics.
976 (__mf_adapt_cache): Rewrite shift guessing logic based on address
978 * config.h.in, configure: Regenerated.
979 * testsuite/libmudflap.c/fail27-frag.c: New test.
980 * testsuite/libmudflap.c/pass36-frag.c: New test.
982 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
984 * mf-runtime.h.in: Tweak.
985 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
986 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
987 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
989 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
991 * configure.in: Tweak generation of mf-runtime.h some more. It
992 needs to work from both config.status and configure.
993 * configure: Regenerated.
995 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
997 * Makefile.am: Reorganize hook file building. Add auto dependencies.
998 * configure.in: Tweak generation of mf-runtime.h.
999 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1000 * mf-hooks.c (*): Adapt to initialized-heap object type.
1001 * mf-impl.h: Tweak cemetary boundaries.
1002 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1004 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1005 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1006 * testsuite/lib/libmudflap.exp (includes): Include build tree.
1007 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1009 * testsuite/.../fail{25,26}-frag.c: New tests.
1010 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1011 * Makefile.in, configure: Regenerated.
1013 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1015 * mf-runtime.c (__mf_set_default_options): Turn on initialization
1016 checking by default.
1017 (__mf_insert_new_object): As a temporary hack, assume that new
1018 objects registered on the stack start out initialized.
1019 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1020 heap objects by hand.
1022 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1024 Switch to macro-style hooks for str*/mem*/b* functions.
1025 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1026 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1027 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1028 (__mf_set_default_options): Turn off heur_proc_map.
1029 (*): Adapt to to macro-style hook functions.
1030 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1031 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1032 (__mf_violation): Handle __MF_VIOL_WATCH.
1033 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1034 (__mf_dynamic): Removed mem*/str*/b* functions.
1035 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1036 (WRAPPER2): New macro for macro-style hooks.
1037 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1039 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1040 * mf-heuristics.c: Adapt to macro-style hook functions.
1041 Correct some comments.
1042 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1043 output pattern tests.
1044 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1045 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1047 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1049 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1050 for global array registration.
1051 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1052 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1054 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1056 * Makefile.am: Add gross make bug workarounds. Tweaked
1057 SUBDIRS and AM_CFLAGS.
1058 * Makefile.in: Regenerated.
1060 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1063 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1064 * Makefile.am (TESTS): Remove simple automake testing.
1065 * configure, Makefile.in: Regenerated.
1066 (SUBDIRS): Include new testsuite/ directory.
1067 * tests/*: Removed all files; moved bulk under:
1068 * testsuite/*: New subdirectory tree.
1069 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1070 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1071 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1072 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1073 * testsuite/config/default.exp: New file.
1074 * testsuite/Makefile.am, Makefile.in: New files.
1076 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1078 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1079 (TESTS): Add fail22 and pass29 tests.
1080 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1081 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1082 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1083 values. Move __MF_VIOL* here.
1084 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1085 (check_initialization): New field in __mf_opts. Default off.
1086 (read_count,write_count): New fields in __mf_object.
1087 (__mf_check): Implement basic initialization checking.
1088 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1089 (__mf_describe_object): Print new fields.
1090 (__mf_violation): Identify check/read vs. check/write in messages.
1091 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1092 "-check-initialized" mudflap option.
1093 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1094 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1095 Drop __FILE__/__LINE__ hack. Update callers.
1096 (*): Adapt to new mf-runtime.h API.
1097 * Makefile.in: regenerated.
1099 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1101 * configure.in: Build mf-runtime.h a more proper way.
1102 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1103 * mf-runtime.c (verbose_violations): Turn on by default.
1104 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1105 * mf-impl.h: ... and move it here.
1106 * configure: Regenerated.
1108 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1110 * configure.in: Look for C++ compiler.
1111 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1112 fixed type warnings when built with C++.
1113 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1114 * Makefile.am (TESTS): Run them.
1115 (*) Add new rules for building and running C++ tests.
1116 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1117 * mf-runtime.h.in: Protect with extern "C".
1118 * Makefile, configure: Regenerated.
1120 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1122 Portability improvements.
1123 * configure.in: Look for glibc backtrace headers/functions.
1124 * mf-hooks.c: Don't include <execinfo.h> any more.
1125 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1127 (__mf_backtrace): Provide alternate baby implementation in
1129 * test/mf-driver.c: Portability tweaks.
1130 * acinclude.m4: New file, containing top level libtool.m4.
1131 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1133 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1135 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1137 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1139 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1141 (__mf_unregister): Implement stack/heap object wiping.
1142 (__mf_set_options): Renamed from __mf_process_opts.
1143 (__mf_uncache_object): Change arg type, correct callers.
1144 * mf-impl.h: Corresponding changes.
1145 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1146 * mf-runtime.h.in (__mf_set_options): Extend public API.
1147 * test/pass26-frag.c: New test for stack wiping.
1148 * Makefile.am (TESTS): Run it.
1149 * Makefile.in: Regenerated.
1151 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1153 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1154 * mf-runtime.c (__mf_object_t): Add watching_p field.
1155 (__mf_watch_or_not): New function to implement
1156 object watch flagging.
1157 (__mf_watch, __mf_unwatch): New wrappers for above.
1158 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1159 (__mf_count_violation): Enlarge array.
1160 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1161 unlink object. Clear cache properly.
1162 (__mf_unregister): Unlink object explicitly before uncaching.
1163 * test/fail21-frag.c, pass25-frag.c: New tests.
1164 * Makefile.in, aclocal.m4: Regenerated.
1166 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1168 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1169 * Makefile.am (TESTS): Add it.
1170 * test/pass-stratcliff.c: Add decls of stpcpy.
1171 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1172 build tree from config.h and new file mf-runtime.h.in.
1173 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1174 * Makefile.in, configure, config.h.in: Regenerated.
1175 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1176 * mf-runtime.c (options, __mf_set_default_options): Support new
1177 default "abbreviate" option.
1178 (__mf_object.description_epoch): New field.
1179 (__mf_describe_object): Conditionally abbreviate objects already
1180 displayed in current epoch. Accept NULL input to increment epoch.
1181 (__mf_fini, __mf_ini): Reset description epoch.
1182 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1183 that NULL pointer slot in lookup cache is invalidated. Register a
1184 NOACCESS region around NULL.
1185 * mf-impl.h: Corresponding changes.
1187 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1189 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1190 * Makefile.am: Run them. Install mf-runtime.h.
1191 * Makefile.in: Regenerated.
1192 * mf-hooks.c: Add some markers for more missing functions.
1193 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1194 statistic to tune tune cache size (mask).
1196 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1198 * test/pass23-frag.c: New test for bit_field_ref expressions.
1199 * Makefile.am, Makefile.in: Add new test.
1200 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1201 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1202 * mf-runtime.c (__mf_init): Register errno global.
1203 (__mf_find_object): Removed function.
1204 (__mf_check): Rewrite logic to support accesses across some
1205 contiguous but distinctly registered objects.
1206 (__mf_remove_old_object): Tolerate cache entries that span
1209 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1211 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1212 * Makefile.am, Makefile.in: Run new tests.
1213 * mf-hooks.c (alloca): Correct stack direction logic.
1215 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1217 * mf-impl.h (adapt_cache): New option.
1218 * mf-runtime.c (__mf_set_default_options): Set its default value.
1219 Tweak the tree_aging parameter down.
1220 (__mf_check): Maintain separate counter for cache-adaptation.
1221 (__mf_tree_analyze): New function to collect object tree stats.
1222 (__mf_adapt_cache): New function to automate cache parameters.
1224 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1226 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1227 hypothetical #if-0'd argv/envp region registration.
1228 * mf-runtime.c (__mf_init): Add kludged form of above.
1229 (*) Add "heur_argv_environ" flag, default on, to govern this.
1230 * mf-impl.h: Corresponding changes.
1232 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1234 * test/fail18-frag.c: New test file for NOACCESS regions.
1235 * Makefile.am (TESTS): Add new test.
1236 * Makefile.in: Regenerated.
1238 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1239 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1240 (optimize_object_tree): Remove unused mudflap_option.
1241 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1242 support throughout. Use .._MAX_CEM for cemetary upper bound.
1243 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1245 (__mf_object): Add new liveness field for use by tree aging.
1246 (__mf_check): Trigger tree aging when needed.
1247 (__mf_age_tree): New function to decay liveness field.
1248 (__mf_find_objects_rec): Use liveness field to rotate tree.
1249 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1250 (__mf_unregister): Ditto.
1251 (__mf_register): Tweak duplicate-static message.
1252 (__mf_violation: Tweak nearby-object counter printing.
1254 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1256 * test/pass20-frag.c: New test file.
1257 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1258 * Makefile.in: Regenerated.
1260 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1261 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1262 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1263 entries to avoid repeat registration.
1264 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1265 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1267 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1269 * Makefile.am: Create test sources with #include, not cat>>.
1270 * Makefile.in: Regenerated.
1271 * test/buildtest.sh: Removed.
1272 * test/driver.c (abort_handler, main): Be quiet.
1274 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1276 * test/pass18-frag.c, pass19-frag.c: New tests.
1277 * Makefile.am (check): Run them. Rebuild test programs each time.
1278 * Makefile.in: Regenerated.
1280 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1282 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1283 overlapping object search.
1284 (__mf_violation): Likewise for nearby objects.
1285 Improve nearby-object listing.
1288 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1289 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1291 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1294 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1295 (HOOKOBJS): Add alloca-hook.o.
1296 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1298 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1299 (__mf_backtrace): Reimplement without using alloca.
1300 * Makefile.in: Regenerated.
1303 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1304 Correct signedness bugs in length-tracking variables.
1305 * mf-impl.h: Make options unsigned.
1306 (CALL_WRAP): New macro to parallel CALL_REAL().
1307 (DECLARE): Remove erroneous ";" at end.
1308 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1309 formatting specs with %08lx. Correct several compiler warnings.
1311 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1313 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1315 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1317 libmudflap hook breakup:
1318 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1320 (TESTS): Make dependent on libmudflap.
1321 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1322 compiled from segments of mf-hooks.c.
1323 * mf-hooks.c: Corresponding changes: wrap each function in
1325 * Makefile.in: Regenerated.
1327 Heuristics reorganization:
1328 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1329 Remove these functions. Update callers.
1330 (__mf_heuristic_check): Incorporate all the various heuristics.
1331 Encode cacheability/retry judgement into trinary return value.
1332 Separate start-end logic into a separate fallback heuristic. Only
1333 register relevant /proc/self/map segments.
1334 * mf-impl.h: Corresponding changes.
1335 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1336 (__mf_init): Don't call __mf_init_heuristics.
1339 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1340 "-verbose-trace" to emit all tracing messages other than those of
1341 basic public api. Eliminate some duplicate/excessive messages.
1342 * mf-runtime.h: Corresponding changes.
1344 2002-08-27 Graydon Hoare <graydon@redhat.com>
1346 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1347 and __real when compiled with -DPIC.
1348 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1349 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1350 * Makefile.in: Regenerate.
1352 2002-08-26 Graydon Hoare <graydon@redhat.com>
1354 * mf-impl.h: New file, private implementation header.
1355 * mf-runtime.h: Reorganize a bit.
1356 (CLAMPSZ): Fix arithmetic.
1357 (__MF_CACHE_MISS_P): Fix arithmetic.
1358 * mf-runtime.c: Reorganize a bit.
1359 (__mf_dynamic): New structure.
1360 (resolve_single_dynamic): New function.
1361 (__mf_resolve_dynamics): New function.
1362 (__mf_init): Initialize dynamic wrappers.
1363 * mf-hooks.c: Macro-ize __real calls.
1364 Clamp various bits of arithmetic.
1365 Add explicit __mf_check call contexts.
1366 * Makefile.am: Add dependencies on mf-impl.h
1367 * Makefile.in: Regenerate.
1368 * configure.in: Comment out shared override.
1369 * configure: Regenerate.
1371 2002-08-22 Graydon Hoare <graydon@redhat.com>
1373 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1374 (__mf_check): Re-inialize and check heuristics before violation.
1375 (__mf_register): Permit updating pure-guess regions.
1376 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1377 (__wrap_dlopen): New wrapper function.
1378 (__wrap_mmap): New wrapper function.
1379 (__wrap_munmap): New wrapper function.
1380 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1381 which are not stack addresses.
1382 (is_stack_address): New function.
1383 (__mf_init_heuristics): Save and restore state, always initialize with
1386 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1388 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1389 error. Pass location string.
1390 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1391 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1392 (__mf_process_opts): Apply some sanity checking for lc-mask.
1393 (__mf_check, __mf_violation): Take new location-string argument.
1394 Update callers to pass NULL if necessary.
1395 (__mf_backtrace): New smart backtracer function. Calls replace
1396 several ad-hoc blocks elsewhere.
1397 (__mf_describe_object): Remove bad reentrancy test. Improve
1399 * mf-runtime.h: Corresponding changes. Public/private markup.
1400 (__MF_CACHE_MISS_P): New macro.
1402 2002-08-20 Graydon Hoare <graydon@redhat.com>
1404 * mf-runtime.h: New option: stack_bound (heuristic).
1405 Move some macros out of implementation files.
1406 * mf-runtime.c: New option string: -stack-bound.
1407 Unify recursion protection with hooks.
1409 (__mf_check): Call __mf_heuristic_check.
1410 (__mf_process_opts): Fix "no-" processing.
1411 * mf-heuristics.c (__mf_heuristic_check): New function.
1412 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1414 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1416 Option parsing improvements, region splitting bug fixes:
1417 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1418 * mf-runtime.h (heur_proc_map): New libmudflap option.
1419 * mf-runtime.c (__mf_set_default_options): Set it.
1420 (__mf_usage): Print default values/status.
1421 (__mf_process_opts): Support general "no-" option string prefix.
1422 (__mf_init): Print __mf_usage on unknown-option error.
1423 (__mf_register): Print trace message up front.
1424 Correct region splitting logic for case where a subregion disappears.
1425 Correct memory leak.
1426 (__mf_violation): Make even basic message conditional on option.
1429 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1430 (clean-local): New target.
1431 (test/*x rules): Add -g CFLAGS.
1432 (CFLAGS): Add -freorder-blocks.
1433 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1434 * Makefile.in: Regenerated.
1435 * Makefile, mf-config.h: Removed files.
1437 2002-08-16 Graydon Hoare <graydon@redhat.com>
1439 * mf-runtime.c (__mf_insert_new_object): Factor out of
1441 (__mf_remove_old_object): Factor out of __mf_unregister.
1442 (__mf_register): Handle guessed regions, splitting
1443 guesses when new registrations arrive.
1444 (__mf_unregister): Do not unregister guesses.
1445 * mf-runtime.h: Move convenience macros around,
1446 declare new option fields. Add __MF_TYPE_GUESS.
1447 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1448 (__wrap_free): Call __real_free for deferred frees.
1449 * Makefile.am: Add more tests, fix dependency.
1450 * Makefile.in: Regenerate.
1451 * test/pass[13..17]-frag.c: New testcases.
1452 * test/fail[13..17]-frag.c: New testcases.
1454 2002-08-15 Graydon Hoare <graydon@redhat.com>
1456 * mf-heuristics.c: New file.
1457 * mf-runtime.c (options): Add -trace-calls option.
1458 (__mf_init): Call __mf_init_heuristics.
1460 2002-08-14 Graydon Hoare <graydon@redhat.com>
1462 * Makefile.am (TESTS): Add testsuite support.
1463 * Makefile.in: Regenerate.
1464 * test/mf-driver.c: New file.
1465 * test/buildtest.sh: New file.
1466 * test/passNN-frag.c: New testcases.
1467 * test/failNN-frag.c: New testcases.
1469 2002-08-14 Graydon Hoare <graydon@redhat.com>
1471 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1472 verifying non-size-limited string extents.
1474 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1476 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1477 instead of plain str[n]len for internal checks.
1478 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1480 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1482 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1484 2002-08-13 Graydon Hoare <graydon@redhat.com>
1486 * mf-runtime.c: Rework configuration to operate on
1487 environment variable options rather than #defines
1488 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1489 (__mf_init): Set static __mf_active_p flag on startup,
1490 to inhibit mudflap wrap-based checking during crt0.s.
1491 * mf-runtime.h: Declare options structure.
1492 * mf-hooks.c: New wrappings for mem*, b*, str*
1493 libc functions (temporarily #if 0-ed out).
1495 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1497 * Makefile.am, configure.in: New files.
1498 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1499 * stamp-h.in, aclocal.m4: Ditto.
1501 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1503 * Makefile: New file.
1504 * mf-config.h: New file: runtime configuration.
1505 * mf-hooks.c: New file: interposed libc functions.
1506 * mf-runtime.c: New file: bulk of runtime.
1507 * mf-runtime.h: New file: public functions.