1 2008-01-05 Jakub Jelinek <jakub@redhat.com>
3 PR tree-optimization/34618
4 * testsuite/libmudflap.c/pass62-frag.c: New test.
6 2008-01-03 Jakub Jelinek <jakub@redhat.com>
9 * testsuite/libmudflap.c++/pass61-frag.cxx: New test.
11 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
14 * testsuite/libmudflap.c++/pass60-frag.cxx: New test.
16 2007-10-15 Maciej W. Rozycki <macro@linux-mips.org>
18 * configure: Regenerate following changes to ../config/tls.m4.
20 2007-07-26 Tom Tromey <tromey@redhat.com>
22 * Makefile.in: Rebuilt.
23 * Makefile.am (clean-local): Removed.
24 (pth/mf-runtime.lo, pth/mf-heuristics.lo, pth/mf-hooks1.lo,
25 pth/mf-hooks2.lo, pth/mf-hooks3.lo): Likewise.
26 (libmudflapth_la_SOURCES): List sources.
27 (libmudflapth_la_LIBADD): Clear.
28 (libmudflapth_la_CFLAGS): New variable.
30 2007-07-05 H.J. Lu <hongjiu.lu@intel.com>
32 * aclocal.m4: Regenerated.
34 2007-06-02 Paolo Bonzini <bonzini@gnu.org>
36 * configure: Regenerate.
38 2007-05-31 Frank Ch. Eigler <fche@redhat.com>
40 From Andi Kleen <ak@suse.de>:
41 * mf-runtime.c (options): Rename structure for compatibility with
44 2007-05-23 Steve Ellcey <sje@cup.hp.com>
46 * Makefile.in: Regenerate.
47 * configure: Regenerate.
48 * aclocal.m4: Regenerate.
49 * testsuite/Makefile.in: Regenerate.
51 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
53 * testsuite/libmudflap.cth/pass59-frag.c (main): Fix casting of arg.
55 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
57 * Makefile.am: Add dummy install-pdf target.
58 * Makefile.in: Regenerate
60 2007-02-07 Jakub Jelinek <jakub@redhat.com>
63 * configure: Regenerate.
65 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
67 * configure: Regenerate.
69 2006-11-13 Daniel Jacobowitz <dan@codesourcery.com>
71 * configure: Regenerated.
73 2006-11-10 Frank Ch. Eigler <fche@redhat.com>
76 * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
77 static but not function scope static.
78 (free): Skip deallocation attempts for objects placed into
80 * testsuite/libmudflap.cth/pass59-frag.c: New test.
82 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
84 From Herman ten Brugge <hermantenbrugge@home.nl>:
85 * mf-runtime.c (__mf_uncache_object): Optimize the code so that
86 small and large objects are handled a lot faster.
88 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
90 * configure.ac (__libc_freeres): Look for it.
91 * mf-impl.h (call_libc_freeres): New configuration flag.
92 * mf-runtime.c (__mf_set_default_options): Set it by default.
93 (__mfu_report): Call it if needed.
94 (__mfu_unregister): Remove "unaccessed registered object" warning.
95 * configure, config.h.in: Regenerated.
97 2006-09-18 Tom Tromey <tromey@redhat.com>
101 2006-06-21 Frank Ch. Eigler <fche@redhat.com>
104 mf-runtime.h installation based on ssp patch for PR 26473 from
105 Mark Mitchell <mark@codesourcery.com>.
106 * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
107 * Makefile.am (target_noncanonical): Define.
108 (libsubincludedir): New variable.
109 (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
110 (include_HEADERS): Remove.
111 * configure, aclocal.m4, config.h.in: Regenerated.
112 * Makefile.in, testsuite/Makefile.in: Likewise.
113 * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
114 and _THREAD_SAFE redefinition values.
116 2006-05-23 Carlos O'Donell <carlos@codesourcery.com>
118 * Makefile.am: Add install-html target. Add install-html to .PHONY
119 * Makefile.in: Regenerate.
121 2006-04-19 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
124 * testsuite/libmudflap.c++/error1-frag.cxx: New test.
127 * testsuite/libmudflap.c++/error2-frag.cxx: New test.
129 2006-04-10 Matthias Klose <doko@debian.org>
131 * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
132 directory names containing underscores.
134 2005-11-22 Janis Johnson <janis187@us.ibm.com>
136 * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
137 MUDFLAP_FLAGS if static library not supported.
138 * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
139 * testsuite/libmudflap.c/externs.exp: Ditto.
140 * testsuite/libmudflap.c++/ctors.exp: Ditto.
141 * testsuite/libmudflap.c++/c++frags.exp: Ditto.
142 * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
144 2005-10-04 James E Wilson <wilson@specifix.com>
146 * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
147 $name as array of characters with unknown bound. Also store into the
149 * configure: Regenerate.
151 2005-09-30 James E. Wilson <wilson@specifix.com>
153 * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
155 (target_thread_file): New. Set from sed'ed gcc output.
156 (posix_threads): New. Set from target_thread_file. Use instead of
158 (pthread_create_version): Move initialization before code using it.
159 * configure: Regenerate.
161 * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
164 2005-09-29 James E. Wilson <wilson@specifix.com>
166 * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
167 with HAVE_MMAP ifdef.
169 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
172 * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
174 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
176 * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
178 2005-09-23 Tom Tromey <tromey@redhat.com>
180 * aclocal.m4, configure: Rebuilt.
181 * configure.ac: Use GCC_CHECK_TLS.
182 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
185 2005-08-22 Jim Wilson <wilson@specifix.com>
187 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
188 __FreeBSD__ is defined.
190 2005-08-17 Jim Wilson <wilson@specifix.com>
192 * mf-hooks1.c (malloc, calloc, realloc, free,
193 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
194 the real routines, and END_MALLOC_PROTECT afterwards.
195 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
196 (BEGIN_PROTECT): Handle in_malloc state.
197 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
198 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
200 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
202 * All files: Update FSF address.
204 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
206 * mf-hooks3.c (main_seen_p): Remove.
207 (__mf_get_state): Remove attempt to recognize the main thread.
209 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
211 * configure.ac: Test for the name of the symbol used for the entry
212 point; define ENTRY_POINT to the result.
213 * configure: Regenerate.
214 * config.h.in: Regenerate.
215 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
217 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
219 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
220 (__mf_init): Set thread state active.
221 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
223 (pthread_create wrapper): Always use thread spawner.
225 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
226 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
228 2005-07-16 Richard Henderson <rth@redhat.com>
230 * acinclude.m4: New file.
231 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
232 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
233 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
234 (__mf_0fn_calloc): ... here.
235 * mf-hooks3.c (struct pthread_info): Remove.
236 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
237 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
238 (struct mf_thread_data): New.
239 (mf_thread_data, mf_thread_data_lock): New.
240 (__mf_allocate_blank_threadinfo): Remove.
241 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
243 (__mf_state_perthread): Remove.
244 (__mf_get_state, __mf_set_state): New.
245 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
246 Update mf_thread_data killing procedure.
247 (__mf_pthread_spawner): Similarly.
248 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
249 code to allocate thread stack space.
250 (__mf_0fn_pthread_join, pthread_join): Remove.
251 (__mf_0fn_pthread_exit, pthread_exit): Remove.
252 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
253 (__mf_state_1): Rename from __mf_state; use TLS when available.
254 (__mf_get_state, __mf_set_state): New. Update all users.
255 * mf-runtime.c (begin_recursion_protect1): New.
256 (BEGIN_RECURSION_PROTECT): Use it.
257 (__mf_state_1): Rename from __mf_state; use TLS when available.
258 (threads_active_p): Remove.
259 (__mf_usage): Compute it directly.
261 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
263 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
265 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
267 Fix for uncaching bug reported by Herman ten Brugge.
268 * mf-runtime.c (__mf_uncache_object): Search whole cache.
269 * testsuite/libmudflap.c/fail40-frag.c: New test.
271 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
274 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
275 * Makefile.in: Amend.
277 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
280 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
281 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
283 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
286 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
288 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
291 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
292 unsigned vars with #defines instead of enums.
294 2005-05-09 Mike Stump <mrs@apple.com>
296 * configure: Regenerate.
298 2005-04-12 Mike Stump <mrs@apple.com>
300 * configure: Regenerate.
302 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
305 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
306 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
308 2005-04-04 Alan Modra <amodra@bigpond.net.au>
310 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
312 2005-03-31 Mike Stump <mrs@apple.com>
314 * mf-runtime.h: Add libmudflap copyright clause.
316 2005-03-21 Mike Stump <mrs@apple.com>
318 * mf-heuristics.c: Fix whitespace at end of line.
319 * mf-hooks1.c: Likewise.
320 * mf-hooks2.c: Likewise.
321 * mf-hooks3.c: Likewise.
322 * mf-impl.h: Likewise.
323 * mf-runtime.c: Likewise.
324 * mf-runtime.h: Likewise.
326 2005-03-21 Zack Weinberg <zack@codesourcery.com>
328 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
329 In all substitutions, expand gcc_version in Makefile.
330 * aclocal.m4, configure: Regenerate.
331 * Makefile.am: Set gcc_version.
332 * Makefile.in, testsuite/Makefile.in: Regenerate.
334 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
336 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
337 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
339 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
342 * testsuite/libmudflap.c++/pass55-frag.c: New test.
344 2005-01-05 Richard Henderson <rth@redhat.com>
346 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
348 2005-01-02 Greg McGary <greg@mcgary.org>
350 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
351 * mf-runtime.h: New file, replaces mf-runtime.h.in.
352 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
353 * Makefile.in: Ditto.
354 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
355 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
356 * testsuite/libmudflap.c/fail36-frag.c: New test.
357 * testsuite/libmudflap.c/fail37-frag.c: New test.
358 * testsuite/libmudflap.c/fail38-frag.c: New test.
360 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
362 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
363 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
365 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
367 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
368 * aclocal.m4: Include ../config/gcc-version.m4.
369 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
371 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
373 * Makefile.am: Define ACLOCAL_AMFLAGS.
374 * acinclude.m4: Remove.
375 * stamp-h.in: Remove superfluous stamp file.
376 * aclocal.m4, configure, Makefile.in: Regenerate.
377 * testsuite/Makefile.in: Likewise.
379 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
381 * Makefile.am: Revert previous.
382 * acinclude.m4: Restore.
383 * aclocal.m4, configure, Makefile.in: Regenerate.
384 * testsuite/Makefile.in: Likewise.
386 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
388 * Makefile.am: Define ACLOCAL_AMFLAGS.
389 * acinclude.m4: Remove.
390 * aclocal.m4, configure, Makefile.in: Regenerate.
391 * testsuite/Makefile.in: Likewise.
393 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
395 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
397 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
399 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
400 * testsuite/Makefile.in: Likewise.
402 2004-11-01 Andreas Schwab <schwab@suse.de>
404 * configure.ac: (target_alias): Default to $host_alias, not
406 * configure: Regenerated.
408 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
410 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
411 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
414 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
417 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
419 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
421 * configure.ac: Check for more headers, functions.
422 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
423 tracking overridden FILE buffers.
424 (fopen, setvbuf): New/revised hook functions for buffer overriding.
425 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
426 (fflush): Accept given NULL stream (means "all streams").
428 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
430 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
431 (__mf_adapt_cache): Use them all.
432 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
433 * testsuite/libmudflap.c++/ctors.exp: Ditto.
434 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
435 * configure, config.h.in: Regenerated.
437 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
439 * configure.ac: Checking for sys/socket.h once is enough.
440 * configure: Regenerated.
442 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
444 * configure.ac: Look for more headers & functions.
445 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
446 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
447 * mf-runtime.c (options): Clean up integer signedness warnings.
448 (main): Add a declaration to fix a warning.
449 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
450 * configure, config.h.in: Regenerated.
452 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
454 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
455 New tests for proper base/limit checking for aggregates.
457 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
459 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
461 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
463 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
464 * mf-hooks2.c (strerror): Unregister previous string returned by
466 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
467 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
468 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
469 * mf-runtime.c (__mf_describe_object): Clarify object life status.
470 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
472 * configure, config.h.in: Regenerated.
474 2004-08-03 Dale Johannesen <dalej@apple.com>
476 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
478 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
480 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
481 simplified contents in all former callers.
483 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
485 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
486 the statically linked case.
488 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
490 * splay-tree.[ch]: Remove. Merge contents into ...
491 * mf-runtime.c: ... here, renaming symbols and making all functions
492 static. Remove unused min/max functions.
493 * Makefile.am: Forget about splay-tree.[ch].
494 * Makefile.in, testsuite/Makefile.in: Regenerated.
496 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
498 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
499 (__mfu_usage): Include (C) 2004.
500 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
501 here. Include a comment explaining why.
503 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
505 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
506 * mf-runtime.c (options): Give them a name.
507 (__mf_set_default_options): Set them.
508 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
509 (__mf_violation): Warning cleanup.
510 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
511 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
513 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
516 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
519 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
521 Test case for g++/15861
522 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
523 * testsuite/libmudflap.c++/ctors.exp: Driver.
524 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
525 Look only for *frag* test cases.
527 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
529 ANSI C conversion, libmudflap specialization, recursion limiting.
530 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
531 argument and indirection function pointers, update callers.
532 (splay_tree_s): Add statistics and recursion control fields
533 num_keys, max_depth, depth, rebalance_p.
534 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
535 Back out of search if it exceeds limit.
536 (splay_tree_splay): Manage recursion limiting with rebalancing as
538 (splay_tree_new): More initialization.
539 (splay_tree_rebalance): New function.
540 (splay_tree_foreach): Rewrite using nonrecursive logic.
541 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
542 Remove. Point indirect calls to mf-runtime.c's routines.
543 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
545 (splay_tree_delete, splay_tree_delete_helper): Ditto.
546 * testsuite/heap-scalestress.c: New test based on one from
547 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
549 2004-07-05 Matthias Klose <doko@debian.org>
551 * libtool-version: New.
552 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
553 Use -version-info for soname.
554 * Makefile.in: Regenerate.
555 * configure.ac: Remove libtool_VERSION macro
556 * configure: Regenerate
558 2004-07-05 Zack Weinberg <zack@codesourcery.com>
560 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
561 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
564 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
566 Splay tree implementation fork.
567 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
568 Use hard-coded comparison function for uintptr_t. Remove key/value
569 deallocation logic. Cache last splayed key for consecutive lookups.
570 * Makefile.am, Makefile.in: Use them, don't link to them.
571 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
572 (__mf_find_objects2): Flip successor/predecessor search sequence.
573 * ansidecl.h, libiberty.h: Removed dummy files.
575 2004-06-29 Nick Clifton <nickc@redhat.com>
577 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
578 * configure: Regenerate.
579 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
581 Remove spurious inclusion of <strings.h>.
583 2004-06-29 Nick Clifton <nickc@redhat.com>
585 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
586 function actually exists.
588 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
590 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
591 * config.h.in: Regenerated.
593 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
595 Adopt splay trees for object database.
596 * Makefile.am: Copy splay-tree.* from libiberty.
597 * Makefile.in, testsuite/Makefile.in: Regenerated.
598 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
599 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
600 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
601 * mf-runtime.c: Rewrite code dealing with object database to use
602 libiberty splay trees. Remove tree liveness aging option.
603 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
605 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
607 * configure.ac: New name of configure.in. Update
608 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
609 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
610 Autoconf 2.5x and Automake 1.7 or later.
611 * configure.in: Remove.
612 * configure: Regenerate.
614 * Makefile.am: Remove useless multilib rules.
615 * Makefile.in: Regenerate.
617 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
619 * .cvsignore: New file.
621 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
624 * mf-hooks2.c (semctl): Add cygwin porting hack.
626 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
629 * configure.in: Look for ctype header and glibc implementation.
630 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
631 array hooks for glibc 2.3.
632 * mf-runtime.h.in: Wrap them.
633 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
635 * testsuite/libmudflap.c/pass47-frag.c: New test.
636 * configure, config.h.in: Regenerated.
638 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
640 Portability improvements, e.g., libmudflap/15293.
641 * configure.in: Look for glibc extension functions. Look for
642 support of -f{function,data}-sections. Look for more headers.
643 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
644 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
645 mf-hooks* into usual single object per source.
646 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
647 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
648 if system doesn't provide one.
649 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
650 (pthread_create): Use it to properly GC dead thread stacks.
651 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
652 * testsuite/Makefile.am: Stop generating site.exp.
653 * testsuite/mfconfig.exp.in: New file.
654 * testsuite/config/default.exp: Load new mfconfig.exp.
655 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
656 (prune_gcc_output): Add glibc static linking warnings.
657 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
658 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
659 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
660 Regenerated with autoconf 2.57 and automake 1.7.
662 2004-06-04 Per Bothner <per@bothner.com>
664 * configure.in (LIBMUDFLAPTH): Fix thinko.
666 * configure.in: Check for more headers.
667 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
669 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
670 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
672 2004-06-01 Andreas Jaeger <aj@suse.de>
674 * configure.in: Handle multilibs, support
675 --enable-version-specific-runtime-libs.
676 * Makefile.am (lib_LTLIBRARIES): Rename to ...
677 (toolexeclib_LTLIBRARIES): this for multilib support.
678 * Makefile.in: Regenerated.
679 * configure: Regenerated.
680 * aclocal.m4: Regenerated.
681 * config.h.in: Regenerated.
682 * testsuite/Makefile.in: Regenerated.
684 2004-06-01 Andreas Jaeger <aj@suse.de>
686 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
687 multilibs, using multilib directory instead of hardcoded path.
690 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
692 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
693 * Makefile.in: Ditto.
695 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
697 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
698 * aclocal.m4, configure: Rebuilt.
700 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
702 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
703 import some build settings from libstdc++-v3 testsuite_flags.
704 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
705 changes to pass test language.
707 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
708 quicker mode-nop handling.
710 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
712 * mf-impl.h: Added libgcc license header.
714 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
716 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
717 Added libgcc license header.
718 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
719 (pthread_create): Simplify stack allocation syntax.
721 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
723 * mf-hooks2.c: Support FreeBSD.
724 (WRAP_gets): Avoid gets().
725 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
726 test unimplemented mem/str calls on FreeBSD.
727 * testsuite/libmudflap.c/pass21-frag.c: Do not include
728 <alloca.h> on FreeBSD.
730 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
732 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
733 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
734 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
735 flags for static linking permutation.
736 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
737 some pthreads code that croaks on linux glibc tls.
739 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
741 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
743 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
745 * testsuite/libmudflap.c/pass44-frag.c: New test.
747 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
749 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
751 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
753 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
755 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
757 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
759 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
762 * configure.in: Add check for see if
763 socklen_t typedef is in sys/socket.h.
764 * mf-hooks1.c: Add define if socklen_t
766 * mf-hooks2.c: Likewise.
767 * mf-hooks3.c: Likewise.
768 * config.h.in: Regen.
771 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
773 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
774 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
776 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
777 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
778 (unoptimized) allocation of stack space.
780 2003-12-07 Richard Henderson <rth@redhat.com>
782 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
783 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
785 2003-12-06 Andrew Pinski <apinski@apple.com>
787 partial PR libmudflap/12670
788 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
789 * mf-hooks2.c: Likewise.
790 * mf-hooks3.c: Likewise.
792 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
795 * mf-runtime.h.in: Switch to #pragma redefine_extname for
796 symbols interposed at compile time.
797 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
800 * mf-hooks2.c (semctl): Tolerate FreeBSD.
802 * configure.in: Reorganize check for <pthread.h>.
803 * configure: Regenerated.
805 2003-11-04 David Edelsohn <edelsohn@gnu.org>
807 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
808 (_LARGE_FILE_API): Define for AIX.
809 * mf-hooks[123]: Same.
810 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
812 2003-10-21 David Edelsohn <edelsohn@gnu.org>
814 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
816 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
818 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
820 * configure.in: Update check for union semun.
822 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
825 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
827 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
830 * configure.in: Add checks for 64-bit LFS functions, struct semun
831 definition, for BSD compatibility.
832 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
833 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
834 * mf-hooks3.c: Ditto.
835 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
837 * configure, config.h.in: Regenerated.
839 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
841 Multithreading fixes:
842 * mf-runtime.c (__mf_object): Store allocating/deallocating
844 (options): Support new "-thread-stack" option.
845 Rename "-heur-argv-environ" option to "-heur-stdlib".
846 Disable "-lc-mask" and "-lc-shift" options.
847 (__mf_dynamic): Add function pointers for pthread_join/_exit.
848 (__assert_fail): New self-contained function for glibc.
849 * mf-hooks3.c: Essentially rewritten, particularly related to
850 use of __mf_pthread_info array.
851 (pthread_join, _exit): New hook functions.
852 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
853 * testsuite/libmudflap.cth/pass40-frag.c: New test.
856 * mf-heuristics.c: Add type casts for tracing, sub calls.
857 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
858 Update all callers to declare explicit result holder.
859 (END_PROTECT): Removed.
860 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
862 2003-07-15 Diego Novillo <dnovillo@redhat.com>
864 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
865 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
866 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
868 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
870 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
872 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
873 Move these macros from old mf-hooks.c here.
874 * Makefile.am: Adapt to split-up hook sources for faster builds.
875 * Makefile.in: Regenerated.
877 * mf-heuristics.c: Remove #if-0 block.
879 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
880 (__mf_starting_p): New state only for use while dlsym bootstrapping.
881 (CALL_REAL, __mf_init): Corresponding changes.
882 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
883 all callers to remove redundant "mf:" prefix.
884 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
885 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
886 (__mf_pthread_info): Become a hash table.
888 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
889 "dg-repetitions" directives to control test case execution.
890 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
892 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
894 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
896 * mf-hooks.c (alloca): Separate into stub.
897 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
898 malloc/free for alloca blocks.
899 (pthread_create): Tolerate failing pthread_attr_get* calls.
900 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
901 * mf-impl.h (CALL_WRAP): Remove macro.
902 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
903 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
904 padding for ia64 BIT_FIELD_REF constructs.
906 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
908 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
909 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
910 libmudflap object type.
911 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
912 crashes on unregistering STATIC objects.
914 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
916 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
917 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
918 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
919 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
920 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
921 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
922 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
923 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
924 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
925 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
926 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
927 (accept, bind, connect, gethostname, sethostname): New hooks.
928 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
929 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
930 (semop, semctl, shmctl, shmat, shmdt): New hooks.
931 * mf-runtime.h.in: Corresponding changes.
932 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
933 (opts) Rename heur_argv_environ to heur_std_data.
934 (__mf_wrap_main): Use STATIC type for argv/environ strings.
935 * Makefile.am: Corresponding changes.
936 * Makefile.in: Regenerated.
938 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
940 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
941 heuristic for threaded case, and for non-x86-linux targets.
942 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
943 for use during pre-main() program startup.
944 (__mf_0fn_*): Make these functions non-static.
945 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
947 * mf-runtime.c (__mf_state): Set initial state to "starting".
948 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
949 (__wrap_main): New function to register argv[] and environ[] strings.
951 (*): In all trace functions, use "%p" as formatter for uintptr_t.
953 * testsuite/libmudflap.c/pass38-frag.c: New test case.
954 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
956 * acinclude.m4: Add comments with aoliva's concerns about x86_64
958 * aclocal.m4, configure: Regenerated.
960 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
962 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
963 * aclocal.m4, configure: Regenerated.
965 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
967 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
968 for x86_64 target. Disable caching for this value.
969 * aclocal.m4, configure: Regenerated.
971 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
973 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
974 is about to become deprecated, and its present handling bugs are
977 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
979 * testsuite/libmudflap.c/pass38-frag.c: New test for
982 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
984 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
985 __mf_report, asserting reentrant calling context.
987 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
989 * mf-hooks.c (realloc): Correct reentrancy logic.
990 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
992 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
994 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
995 PTHREAD_THREADS_MAX. Update users.
996 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
998 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
999 with libmudflapth presence indicator.
1000 * testsuite/Makefile.in: Regenerated.
1002 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
1004 * Makefile.am (AM_CFLAGS): Remove "-ansi".
1005 * configure.in: Remove silly no-pthreads => no-shared logic.
1006 * Makefile.in, configure: Regenerated.
1007 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
1008 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
1009 code. Count reentrancy events.
1010 (all hook functions): Don't directly manipulate __mf_state variable.
1011 Add TRACE calls to hook functions without them.
1012 * mf-impl.h (LOCKTH): Try to count lock contention events.
1013 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
1014 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
1015 Reorganize reentrancy code.
1016 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
1017 identify reentrancy with mutex holding times.
1018 (internal __mfu_ entry points): Remove internal reentrancy code.
1019 (__mf_init): Use ordinary locked calls.
1020 (__mfu_report): Print the two new counts.
1021 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
1022 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
1023 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
1024 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
1027 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
1029 * configure.in: Add pthread support, plus glibc and porting hacks.
1030 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
1031 from objects built into ./pth/.
1032 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
1033 functions for internal entry points. Update callers to pick
1034 locked vs. unlocked variants.
1035 (__mf_resolve_single_dynamic): Extend to support symbol versioning
1036 info coming in from a static data structure.
1037 (*): Reorder miscellaneous declarations to group data vs functions.
1038 (__mf_set_default_options): Simplify.
1039 (__mf_usage): Mention threading status of host executable.
1040 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
1041 decls to match above.
1042 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
1043 * mf-heuristics.c: Choose between locked/unlocked calls. Add
1044 some lock/unlock markers. Remove some unused code.
1046 (pthread_create): New hook function.
1047 (__mf_pthread_cleanup, _spawner): New helper functions.
1048 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
1050 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
1052 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
1054 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
1056 * Makefile.am (HOOKOBJS): Add *time related hooks.
1057 * configure.in: Look for pthreads.h header.
1058 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
1059 * mf-runtime.c: Begin sketching some pthreads support.
1060 (__mf_usage): Check for -lpthread presence.
1061 (__mf_unregister): Confirm matching unregistration base.
1062 (__mf_find_objects_rec): Reduce unnecessary recursion.
1063 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
1064 #defines for new hook functions.
1065 * mf-impl.h: Corresponding changes.
1066 * config.h.in, configure, Makefile.in: Regenerated.
1068 2002-04-27 Diego Novillo <dnovillo@redhat.com>
1070 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
1071 modifiers to prevent being optimized away.
1072 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
1073 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1074 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
1075 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1076 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
1077 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
1078 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
1080 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1082 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1083 * configure.in: Look for uintptr_t and -ldl on target.
1084 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1085 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1086 * testsuite/Makefile.in: Regenerated.
1087 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1088 for better C compliance.
1090 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1092 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1094 * mf-runtime.c (__mf_set_default_options): Turn off
1095 check-initialization.
1096 (__mf_describe_object): Shorten description.
1097 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1099 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
1101 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1103 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
1105 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1107 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1108 * mf-impl.h (CALL_BACKUP): New macros.
1109 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1111 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
1113 * Makefile.am (AM_CFLAGS): Remove optimization flags.
1114 (HOOKOBJS): Remove dlopen hook.
1115 (libmudflap_la_LIBADD): Add -ldl.
1116 * mf-hooks.c (dlopen): Remove hook.
1117 * mf-impl.h (__mf_dynamic): Ditto.
1118 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1119 * Makefile.in: Regenerated.
1121 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
1123 * configure.in: Check for target gettimeofday, signal, some headers.
1124 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
1125 out inop multi_threaded field.
1126 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1127 (__mf_set_options): Correct handling of "-help".
1128 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1129 (__mf_check, __mf_register, __mf_unregister): Call it.
1130 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1131 (__mf_report_leaks): Make callable
1132 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
1133 distribution statistics.
1134 (__mf_adapt_cache): Rewrite shift guessing logic based on address
1136 * config.h.in, configure: Regenerated.
1137 * testsuite/libmudflap.c/fail27-frag.c: New test.
1138 * testsuite/libmudflap.c/pass36-frag.c: New test.
1140 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
1142 * mf-runtime.h.in: Tweak.
1143 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1144 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1145 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1147 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1149 * configure.in: Tweak generation of mf-runtime.h some more. It
1150 needs to work from both config.status and configure.
1151 * configure: Regenerated.
1153 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1155 * Makefile.am: Reorganize hook file building. Add auto dependencies.
1156 * configure.in: Tweak generation of mf-runtime.h.
1157 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1158 * mf-hooks.c (*): Adapt to initialized-heap object type.
1159 * mf-impl.h: Tweak cemetary boundaries.
1160 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1162 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1163 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1164 * testsuite/lib/libmudflap.exp (includes): Include build tree.
1165 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1167 * testsuite/.../fail{25,26}-frag.c: New tests.
1168 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1169 * Makefile.in, configure: Regenerated.
1171 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1173 * mf-runtime.c (__mf_set_default_options): Turn on initialization
1174 checking by default.
1175 (__mf_insert_new_object): As a temporary hack, assume that new
1176 objects registered on the stack start out initialized.
1177 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1178 heap objects by hand.
1180 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1182 Switch to macro-style hooks for str*/mem*/b* functions.
1183 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1184 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1185 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1186 (__mf_set_default_options): Turn off heur_proc_map.
1187 (*): Adapt to to macro-style hook functions.
1188 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1189 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1190 (__mf_violation): Handle __MF_VIOL_WATCH.
1191 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1192 (__mf_dynamic): Removed mem*/str*/b* functions.
1193 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1194 (WRAPPER2): New macro for macro-style hooks.
1195 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1197 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1198 * mf-heuristics.c: Adapt to macro-style hook functions.
1199 Correct some comments.
1200 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1201 output pattern tests.
1202 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1203 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1205 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1207 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1208 for global array registration.
1209 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1210 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1212 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1214 * Makefile.am: Add gross make bug workarounds. Tweaked
1215 SUBDIRS and AM_CFLAGS.
1216 * Makefile.in: Regenerated.
1218 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1221 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1222 * Makefile.am (TESTS): Remove simple automake testing.
1223 * configure, Makefile.in: Regenerated.
1224 (SUBDIRS): Include new testsuite/ directory.
1225 * tests/*: Removed all files; moved bulk under:
1226 * testsuite/*: New subdirectory tree.
1227 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1228 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1229 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1230 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1231 * testsuite/config/default.exp: New file.
1232 * testsuite/Makefile.am, Makefile.in: New files.
1234 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1236 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1237 (TESTS): Add fail22 and pass29 tests.
1238 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1239 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1240 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1241 values. Move __MF_VIOL* here.
1242 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1243 (check_initialization): New field in __mf_opts. Default off.
1244 (read_count,write_count): New fields in __mf_object.
1245 (__mf_check): Implement basic initialization checking.
1246 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1247 (__mf_describe_object): Print new fields.
1248 (__mf_violation): Identify check/read vs. check/write in messages.
1249 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1250 "-check-initialized" mudflap option.
1251 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1252 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1253 Drop __FILE__/__LINE__ hack. Update callers.
1254 (*): Adapt to new mf-runtime.h API.
1255 * Makefile.in: regenerated.
1257 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1259 * configure.in: Build mf-runtime.h a more proper way.
1260 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1261 * mf-runtime.c (verbose_violations): Turn on by default.
1262 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1263 * mf-impl.h: ... and move it here.
1264 * configure: Regenerated.
1266 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1268 * configure.in: Look for C++ compiler.
1269 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1270 fixed type warnings when built with C++.
1271 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1272 * Makefile.am (TESTS): Run them.
1273 (*) Add new rules for building and running C++ tests.
1274 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1275 * mf-runtime.h.in: Protect with extern "C".
1276 * Makefile, configure: Regenerated.
1278 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1280 Portability improvements.
1281 * configure.in: Look for glibc backtrace headers/functions.
1282 * mf-hooks.c: Don't include <execinfo.h> any more.
1283 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1285 (__mf_backtrace): Provide alternate baby implementation in
1287 * test/mf-driver.c: Portability tweaks.
1288 * acinclude.m4: New file, containing top level libtool.m4.
1289 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1291 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1293 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1295 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1297 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1299 (__mf_unregister): Implement stack/heap object wiping.
1300 (__mf_set_options): Renamed from __mf_process_opts.
1301 (__mf_uncache_object): Change arg type, correct callers.
1302 * mf-impl.h: Corresponding changes.
1303 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1304 * mf-runtime.h.in (__mf_set_options): Extend public API.
1305 * test/pass26-frag.c: New test for stack wiping.
1306 * Makefile.am (TESTS): Run it.
1307 * Makefile.in: Regenerated.
1309 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1311 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1312 * mf-runtime.c (__mf_object_t): Add watching_p field.
1313 (__mf_watch_or_not): New function to implement
1314 object watch flagging.
1315 (__mf_watch, __mf_unwatch): New wrappers for above.
1316 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1317 (__mf_count_violation): Enlarge array.
1318 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1319 unlink object. Clear cache properly.
1320 (__mf_unregister): Unlink object explicitly before uncaching.
1321 * test/fail21-frag.c, pass25-frag.c: New tests.
1322 * Makefile.in, aclocal.m4: Regenerated.
1324 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1326 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1327 * Makefile.am (TESTS): Add it.
1328 * test/pass-stratcliff.c: Add decls of stpcpy.
1329 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1330 build tree from config.h and new file mf-runtime.h.in.
1331 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1332 * Makefile.in, configure, config.h.in: Regenerated.
1333 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1334 * mf-runtime.c (options, __mf_set_default_options): Support new
1335 default "abbreviate" option.
1336 (__mf_object.description_epoch): New field.
1337 (__mf_describe_object): Conditionally abbreviate objects already
1338 displayed in current epoch. Accept NULL input to increment epoch.
1339 (__mf_fini, __mf_ini): Reset description epoch.
1340 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1341 that NULL pointer slot in lookup cache is invalidated. Register a
1342 NOACCESS region around NULL.
1343 * mf-impl.h: Corresponding changes.
1345 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1347 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1348 * Makefile.am: Run them. Install mf-runtime.h.
1349 * Makefile.in: Regenerated.
1350 * mf-hooks.c: Add some markers for more missing functions.
1351 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1352 statistic to tune tune cache size (mask).
1354 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1356 * test/pass23-frag.c: New test for bit_field_ref expressions.
1357 * Makefile.am, Makefile.in: Add new test.
1358 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1359 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1360 * mf-runtime.c (__mf_init): Register errno global.
1361 (__mf_find_object): Removed function.
1362 (__mf_check): Rewrite logic to support accesses across some
1363 contiguous but distinctly registered objects.
1364 (__mf_remove_old_object): Tolerate cache entries that span
1367 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1369 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1370 * Makefile.am, Makefile.in: Run new tests.
1371 * mf-hooks.c (alloca): Correct stack direction logic.
1373 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1375 * mf-impl.h (adapt_cache): New option.
1376 * mf-runtime.c (__mf_set_default_options): Set its default value.
1377 Tweak the tree_aging parameter down.
1378 (__mf_check): Maintain separate counter for cache-adaptation.
1379 (__mf_tree_analyze): New function to collect object tree stats.
1380 (__mf_adapt_cache): New function to automate cache parameters.
1382 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1384 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1385 hypothetical #if-0'd argv/envp region registration.
1386 * mf-runtime.c (__mf_init): Add kludged form of above.
1387 (*) Add "heur_argv_environ" flag, default on, to govern this.
1388 * mf-impl.h: Corresponding changes.
1390 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1392 * test/fail18-frag.c: New test file for NOACCESS regions.
1393 * Makefile.am (TESTS): Add new test.
1394 * Makefile.in: Regenerated.
1396 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1397 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1398 (optimize_object_tree): Remove unused mudflap_option.
1399 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1400 support throughout. Use .._MAX_CEM for cemetary upper bound.
1401 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1403 (__mf_object): Add new liveness field for use by tree aging.
1404 (__mf_check): Trigger tree aging when needed.
1405 (__mf_age_tree): New function to decay liveness field.
1406 (__mf_find_objects_rec): Use liveness field to rotate tree.
1407 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1408 (__mf_unregister): Ditto.
1409 (__mf_register): Tweak duplicate-static message.
1410 (__mf_violation: Tweak nearby-object counter printing.
1412 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1414 * test/pass20-frag.c: New test file.
1415 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1416 * Makefile.in: Regenerated.
1418 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1419 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1420 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1421 entries to avoid repeat registration.
1422 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1423 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1425 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1427 * Makefile.am: Create test sources with #include, not cat>>.
1428 * Makefile.in: Regenerated.
1429 * test/buildtest.sh: Removed.
1430 * test/driver.c (abort_handler, main): Be quiet.
1432 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1434 * test/pass18-frag.c, pass19-frag.c: New tests.
1435 * Makefile.am (check): Run them. Rebuild test programs each time.
1436 * Makefile.in: Regenerated.
1438 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1440 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1441 overlapping object search.
1442 (__mf_violation): Likewise for nearby objects.
1443 Improve nearby-object listing.
1446 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1447 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1449 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1452 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1453 (HOOKOBJS): Add alloca-hook.o.
1454 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1456 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1457 (__mf_backtrace): Reimplement without using alloca.
1458 * Makefile.in: Regenerated.
1461 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1462 Correct signedness bugs in length-tracking variables.
1463 * mf-impl.h: Make options unsigned.
1464 (CALL_WRAP): New macro to parallel CALL_REAL().
1465 (DECLARE): Remove erroneous ";" at end.
1466 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1467 formatting specs with %08lx. Correct several compiler warnings.
1469 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1471 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1473 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1475 libmudflap hook breakup:
1476 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1478 (TESTS): Make dependent on libmudflap.
1479 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1480 compiled from segments of mf-hooks.c.
1481 * mf-hooks.c: Corresponding changes: wrap each function in
1483 * Makefile.in: Regenerated.
1485 Heuristics reorganization:
1486 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1487 Remove these functions. Update callers.
1488 (__mf_heuristic_check): Incorporate all the various heuristics.
1489 Encode cacheability/retry judgement into trinary return value.
1490 Separate start-end logic into a separate fallback heuristic. Only
1491 register relevant /proc/self/map segments.
1492 * mf-impl.h: Corresponding changes.
1493 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1494 (__mf_init): Don't call __mf_init_heuristics.
1497 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1498 "-verbose-trace" to emit all tracing messages other than those of
1499 basic public api. Eliminate some duplicate/excessive messages.
1500 * mf-runtime.h: Corresponding changes.
1502 2002-08-27 Graydon Hoare <graydon@redhat.com>
1504 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1505 and __real when compiled with -DPIC.
1506 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1507 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1508 * Makefile.in: Regenerate.
1510 2002-08-26 Graydon Hoare <graydon@redhat.com>
1512 * mf-impl.h: New file, private implementation header.
1513 * mf-runtime.h: Reorganize a bit.
1514 (CLAMPSZ): Fix arithmetic.
1515 (__MF_CACHE_MISS_P): Fix arithmetic.
1516 * mf-runtime.c: Reorganize a bit.
1517 (__mf_dynamic): New structure.
1518 (resolve_single_dynamic): New function.
1519 (__mf_resolve_dynamics): New function.
1520 (__mf_init): Initialize dynamic wrappers.
1521 * mf-hooks.c: Macro-ize __real calls.
1522 Clamp various bits of arithmetic.
1523 Add explicit __mf_check call contexts.
1524 * Makefile.am: Add dependencies on mf-impl.h
1525 * Makefile.in: Regenerate.
1526 * configure.in: Comment out shared override.
1527 * configure: Regenerate.
1529 2002-08-22 Graydon Hoare <graydon@redhat.com>
1531 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1532 (__mf_check): Re-inialize and check heuristics before violation.
1533 (__mf_register): Permit updating pure-guess regions.
1534 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1535 (__wrap_dlopen): New wrapper function.
1536 (__wrap_mmap): New wrapper function.
1537 (__wrap_munmap): New wrapper function.
1538 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1539 which are not stack addresses.
1540 (is_stack_address): New function.
1541 (__mf_init_heuristics): Save and restore state, always initialize with
1544 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1546 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1547 error. Pass location string.
1548 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1549 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1550 (__mf_process_opts): Apply some sanity checking for lc-mask.
1551 (__mf_check, __mf_violation): Take new location-string argument.
1552 Update callers to pass NULL if necessary.
1553 (__mf_backtrace): New smart backtracer function. Calls replace
1554 several ad-hoc blocks elsewhere.
1555 (__mf_describe_object): Remove bad reentrancy test. Improve
1557 * mf-runtime.h: Corresponding changes. Public/private markup.
1558 (__MF_CACHE_MISS_P): New macro.
1560 2002-08-20 Graydon Hoare <graydon@redhat.com>
1562 * mf-runtime.h: New option: stack_bound (heuristic).
1563 Move some macros out of implementation files.
1564 * mf-runtime.c: New option string: -stack-bound.
1565 Unify recursion protection with hooks.
1567 (__mf_check): Call __mf_heuristic_check.
1568 (__mf_process_opts): Fix "no-" processing.
1569 * mf-heuristics.c (__mf_heuristic_check): New function.
1570 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1572 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1574 Option parsing improvements, region splitting bug fixes:
1575 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1576 * mf-runtime.h (heur_proc_map): New libmudflap option.
1577 * mf-runtime.c (__mf_set_default_options): Set it.
1578 (__mf_usage): Print default values/status.
1579 (__mf_process_opts): Support general "no-" option string prefix.
1580 (__mf_init): Print __mf_usage on unknown-option error.
1581 (__mf_register): Print trace message up front.
1582 Correct region splitting logic for case where a subregion disappears.
1583 Correct memory leak.
1584 (__mf_violation): Make even basic message conditional on option.
1587 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1588 (clean-local): New target.
1589 (test/*x rules): Add -g CFLAGS.
1590 (CFLAGS): Add -freorder-blocks.
1591 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1592 * Makefile.in: Regenerated.
1593 * Makefile, mf-config.h: Removed files.
1595 2002-08-16 Graydon Hoare <graydon@redhat.com>
1597 * mf-runtime.c (__mf_insert_new_object): Factor out of
1599 (__mf_remove_old_object): Factor out of __mf_unregister.
1600 (__mf_register): Handle guessed regions, splitting
1601 guesses when new registrations arrive.
1602 (__mf_unregister): Do not unregister guesses.
1603 * mf-runtime.h: Move convenience macros around,
1604 declare new option fields. Add __MF_TYPE_GUESS.
1605 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1606 (__wrap_free): Call __real_free for deferred frees.
1607 * Makefile.am: Add more tests, fix dependency.
1608 * Makefile.in: Regenerate.
1609 * test/pass[13..17]-frag.c: New testcases.
1610 * test/fail[13..17]-frag.c: New testcases.
1612 2002-08-15 Graydon Hoare <graydon@redhat.com>
1614 * mf-heuristics.c: New file.
1615 * mf-runtime.c (options): Add -trace-calls option.
1616 (__mf_init): Call __mf_init_heuristics.
1618 2002-08-14 Graydon Hoare <graydon@redhat.com>
1620 * Makefile.am (TESTS): Add testsuite support.
1621 * Makefile.in: Regenerate.
1622 * test/mf-driver.c: New file.
1623 * test/buildtest.sh: New file.
1624 * test/passNN-frag.c: New testcases.
1625 * test/failNN-frag.c: New testcases.
1627 2002-08-14 Graydon Hoare <graydon@redhat.com>
1629 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1630 verifying non-size-limited string extents.
1632 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1634 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1635 instead of plain str[n]len for internal checks.
1636 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1638 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1640 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1642 2002-08-13 Graydon Hoare <graydon@redhat.com>
1644 * mf-runtime.c: Rework configuration to operate on
1645 environment variable options rather than #defines
1646 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1647 (__mf_init): Set static __mf_active_p flag on startup,
1648 to inhibit mudflap wrap-based checking during crt0.s.
1649 * mf-runtime.h: Declare options structure.
1650 * mf-hooks.c: New wrappings for mem*, b*, str*
1651 libc functions (temporarily #if 0-ed out).
1653 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1655 * Makefile.am, configure.in: New files.
1656 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1657 * stamp-h.in, aclocal.m4: Ditto.
1659 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1661 * Makefile: New file.
1662 * mf-config.h: New file: runtime configuration.
1663 * mf-hooks.c: New file: interposed libc functions.
1664 * mf-runtime.c: New file: bulk of runtime.
1665 * mf-runtime.h: New file: public functions.