1 2008-01-24 David Edelsohn <edelsohn@gnu.org>
3 * configure: Regenerate.
5 2008-01-05 Jakub Jelinek <jakub@redhat.com>
7 PR tree-optimization/34618
8 * testsuite/libmudflap.c/pass62-frag.c: New test.
10 2008-01-03 Jakub Jelinek <jakub@redhat.com>
13 * testsuite/libmudflap.c++/pass61-frag.cxx: New test.
15 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
18 * testsuite/libmudflap.c++/pass60-frag.cxx: New test.
20 2007-10-15 Maciej W. Rozycki <macro@linux-mips.org>
22 * configure: Regenerate following changes to ../config/tls.m4.
24 2007-07-26 Tom Tromey <tromey@redhat.com>
26 * Makefile.in: Rebuilt.
27 * Makefile.am (clean-local): Removed.
28 (pth/mf-runtime.lo, pth/mf-heuristics.lo, pth/mf-hooks1.lo,
29 pth/mf-hooks2.lo, pth/mf-hooks3.lo): Likewise.
30 (libmudflapth_la_SOURCES): List sources.
31 (libmudflapth_la_LIBADD): Clear.
32 (libmudflapth_la_CFLAGS): New variable.
34 2007-07-05 H.J. Lu <hongjiu.lu@intel.com>
36 * aclocal.m4: Regenerated.
38 2007-06-02 Paolo Bonzini <bonzini@gnu.org>
40 * configure: Regenerate.
42 2007-05-31 Frank Ch. Eigler <fche@redhat.com>
44 From Andi Kleen <ak@suse.de>:
45 * mf-runtime.c (options): Rename structure for compatibility with
48 2007-05-23 Steve Ellcey <sje@cup.hp.com>
50 * Makefile.in: Regenerate.
51 * configure: Regenerate.
52 * aclocal.m4: Regenerate.
53 * testsuite/Makefile.in: Regenerate.
55 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
57 * testsuite/libmudflap.cth/pass59-frag.c (main): Fix casting of arg.
59 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
61 * Makefile.am: Add dummy install-pdf target.
62 * Makefile.in: Regenerate
64 2007-02-07 Jakub Jelinek <jakub@redhat.com>
67 * configure: Regenerate.
69 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
71 * configure: Regenerate.
73 2006-11-13 Daniel Jacobowitz <dan@codesourcery.com>
75 * configure: Regenerated.
77 2006-11-10 Frank Ch. Eigler <fche@redhat.com>
80 * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
81 static but not function scope static.
82 (free): Skip deallocation attempts for objects placed into
84 * testsuite/libmudflap.cth/pass59-frag.c: New test.
86 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
88 From Herman ten Brugge <hermantenbrugge@home.nl>:
89 * mf-runtime.c (__mf_uncache_object): Optimize the code so that
90 small and large objects are handled a lot faster.
92 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
94 * configure.ac (__libc_freeres): Look for it.
95 * mf-impl.h (call_libc_freeres): New configuration flag.
96 * mf-runtime.c (__mf_set_default_options): Set it by default.
97 (__mfu_report): Call it if needed.
98 (__mfu_unregister): Remove "unaccessed registered object" warning.
99 * configure, config.h.in: Regenerated.
101 2006-09-18 Tom Tromey <tromey@redhat.com>
103 * configure: Rebuilt.
105 2006-06-21 Frank Ch. Eigler <fche@redhat.com>
108 mf-runtime.h installation based on ssp patch for PR 26473 from
109 Mark Mitchell <mark@codesourcery.com>.
110 * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
111 * Makefile.am (target_noncanonical): Define.
112 (libsubincludedir): New variable.
113 (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
114 (include_HEADERS): Remove.
115 * configure, aclocal.m4, config.h.in: Regenerated.
116 * Makefile.in, testsuite/Makefile.in: Likewise.
117 * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
118 and _THREAD_SAFE redefinition values.
120 2006-05-23 Carlos O'Donell <carlos@codesourcery.com>
122 * Makefile.am: Add install-html target. Add install-html to .PHONY
123 * Makefile.in: Regenerate.
125 2006-04-19 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
128 * testsuite/libmudflap.c++/error1-frag.cxx: New test.
131 * testsuite/libmudflap.c++/error2-frag.cxx: New test.
133 2006-04-10 Matthias Klose <doko@debian.org>
135 * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
136 directory names containing underscores.
138 2005-11-22 Janis Johnson <janis187@us.ibm.com>
140 * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
141 MUDFLAP_FLAGS if static library not supported.
142 * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
143 * testsuite/libmudflap.c/externs.exp: Ditto.
144 * testsuite/libmudflap.c++/ctors.exp: Ditto.
145 * testsuite/libmudflap.c++/c++frags.exp: Ditto.
146 * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
148 2005-10-04 James E Wilson <wilson@specifix.com>
150 * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
151 $name as array of characters with unknown bound. Also store into the
153 * configure: Regenerate.
155 2005-09-30 James E. Wilson <wilson@specifix.com>
157 * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
159 (target_thread_file): New. Set from sed'ed gcc output.
160 (posix_threads): New. Set from target_thread_file. Use instead of
162 (pthread_create_version): Move initialization before code using it.
163 * configure: Regenerate.
165 * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
168 2005-09-29 James E. Wilson <wilson@specifix.com>
170 * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
171 with HAVE_MMAP ifdef.
173 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
176 * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
178 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
180 * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
182 2005-09-23 Tom Tromey <tromey@redhat.com>
184 * aclocal.m4, configure: Rebuilt.
185 * configure.ac: Use GCC_CHECK_TLS.
186 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
189 2005-08-22 Jim Wilson <wilson@specifix.com>
191 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
192 __FreeBSD__ is defined.
194 2005-08-17 Jim Wilson <wilson@specifix.com>
196 * mf-hooks1.c (malloc, calloc, realloc, free,
197 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
198 the real routines, and END_MALLOC_PROTECT afterwards.
199 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
200 (BEGIN_PROTECT): Handle in_malloc state.
201 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
202 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
204 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
206 * All files: Update FSF address.
208 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
210 * mf-hooks3.c (main_seen_p): Remove.
211 (__mf_get_state): Remove attempt to recognize the main thread.
213 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
215 * configure.ac: Test for the name of the symbol used for the entry
216 point; define ENTRY_POINT to the result.
217 * configure: Regenerate.
218 * config.h.in: Regenerate.
219 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
221 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
223 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
224 (__mf_init): Set thread state active.
225 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
227 (pthread_create wrapper): Always use thread spawner.
229 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
230 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
232 2005-07-16 Richard Henderson <rth@redhat.com>
234 * acinclude.m4: New file.
235 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
236 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
237 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
238 (__mf_0fn_calloc): ... here.
239 * mf-hooks3.c (struct pthread_info): Remove.
240 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
241 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
242 (struct mf_thread_data): New.
243 (mf_thread_data, mf_thread_data_lock): New.
244 (__mf_allocate_blank_threadinfo): Remove.
245 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
247 (__mf_state_perthread): Remove.
248 (__mf_get_state, __mf_set_state): New.
249 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
250 Update mf_thread_data killing procedure.
251 (__mf_pthread_spawner): Similarly.
252 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
253 code to allocate thread stack space.
254 (__mf_0fn_pthread_join, pthread_join): Remove.
255 (__mf_0fn_pthread_exit, pthread_exit): Remove.
256 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
257 (__mf_state_1): Rename from __mf_state; use TLS when available.
258 (__mf_get_state, __mf_set_state): New. Update all users.
259 * mf-runtime.c (begin_recursion_protect1): New.
260 (BEGIN_RECURSION_PROTECT): Use it.
261 (__mf_state_1): Rename from __mf_state; use TLS when available.
262 (threads_active_p): Remove.
263 (__mf_usage): Compute it directly.
265 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
267 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
269 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
271 Fix for uncaching bug reported by Herman ten Brugge.
272 * mf-runtime.c (__mf_uncache_object): Search whole cache.
273 * testsuite/libmudflap.c/fail40-frag.c: New test.
275 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
278 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
279 * Makefile.in: Amend.
281 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
284 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
285 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
287 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
290 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
292 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
295 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
296 unsigned vars with #defines instead of enums.
298 2005-05-09 Mike Stump <mrs@apple.com>
300 * configure: Regenerate.
302 2005-04-12 Mike Stump <mrs@apple.com>
304 * configure: Regenerate.
306 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
309 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
310 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
312 2005-04-04 Alan Modra <amodra@bigpond.net.au>
314 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
316 2005-03-31 Mike Stump <mrs@apple.com>
318 * mf-runtime.h: Add libmudflap copyright clause.
320 2005-03-21 Mike Stump <mrs@apple.com>
322 * mf-heuristics.c: Fix whitespace at end of line.
323 * mf-hooks1.c: Likewise.
324 * mf-hooks2.c: Likewise.
325 * mf-hooks3.c: Likewise.
326 * mf-impl.h: Likewise.
327 * mf-runtime.c: Likewise.
328 * mf-runtime.h: Likewise.
330 2005-03-21 Zack Weinberg <zack@codesourcery.com>
332 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
333 In all substitutions, expand gcc_version in Makefile.
334 * aclocal.m4, configure: Regenerate.
335 * Makefile.am: Set gcc_version.
336 * Makefile.in, testsuite/Makefile.in: Regenerate.
338 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
340 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
341 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
343 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
346 * testsuite/libmudflap.c++/pass55-frag.c: New test.
348 2005-01-05 Richard Henderson <rth@redhat.com>
350 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
352 2005-01-02 Greg McGary <greg@mcgary.org>
354 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
355 * mf-runtime.h: New file, replaces mf-runtime.h.in.
356 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
357 * Makefile.in: Ditto.
358 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
359 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
360 * testsuite/libmudflap.c/fail36-frag.c: New test.
361 * testsuite/libmudflap.c/fail37-frag.c: New test.
362 * testsuite/libmudflap.c/fail38-frag.c: New test.
364 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
366 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
367 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
369 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
371 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
372 * aclocal.m4: Include ../config/gcc-version.m4.
373 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
375 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
377 * Makefile.am: Define ACLOCAL_AMFLAGS.
378 * acinclude.m4: Remove.
379 * stamp-h.in: Remove superfluous stamp file.
380 * aclocal.m4, configure, Makefile.in: Regenerate.
381 * testsuite/Makefile.in: Likewise.
383 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
385 * Makefile.am: Revert previous.
386 * acinclude.m4: Restore.
387 * aclocal.m4, configure, Makefile.in: Regenerate.
388 * testsuite/Makefile.in: Likewise.
390 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
392 * Makefile.am: Define ACLOCAL_AMFLAGS.
393 * acinclude.m4: Remove.
394 * aclocal.m4, configure, Makefile.in: Regenerate.
395 * testsuite/Makefile.in: Likewise.
397 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
399 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
401 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
403 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
404 * testsuite/Makefile.in: Likewise.
406 2004-11-01 Andreas Schwab <schwab@suse.de>
408 * configure.ac: (target_alias): Default to $host_alias, not
410 * configure: Regenerated.
412 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
414 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
415 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
418 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
421 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
423 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
425 * configure.ac: Check for more headers, functions.
426 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
427 tracking overridden FILE buffers.
428 (fopen, setvbuf): New/revised hook functions for buffer overriding.
429 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
430 (fflush): Accept given NULL stream (means "all streams").
432 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
434 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
435 (__mf_adapt_cache): Use them all.
436 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
437 * testsuite/libmudflap.c++/ctors.exp: Ditto.
438 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
439 * configure, config.h.in: Regenerated.
441 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
443 * configure.ac: Checking for sys/socket.h once is enough.
444 * configure: Regenerated.
446 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
448 * configure.ac: Look for more headers & functions.
449 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
450 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
451 * mf-runtime.c (options): Clean up integer signedness warnings.
452 (main): Add a declaration to fix a warning.
453 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
454 * configure, config.h.in: Regenerated.
456 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
458 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
459 New tests for proper base/limit checking for aggregates.
461 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
463 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
465 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
467 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
468 * mf-hooks2.c (strerror): Unregister previous string returned by
470 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
471 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
472 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
473 * mf-runtime.c (__mf_describe_object): Clarify object life status.
474 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
476 * configure, config.h.in: Regenerated.
478 2004-08-03 Dale Johannesen <dalej@apple.com>
480 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
482 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
484 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
485 simplified contents in all former callers.
487 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
489 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
490 the statically linked case.
492 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
494 * splay-tree.[ch]: Remove. Merge contents into ...
495 * mf-runtime.c: ... here, renaming symbols and making all functions
496 static. Remove unused min/max functions.
497 * Makefile.am: Forget about splay-tree.[ch].
498 * Makefile.in, testsuite/Makefile.in: Regenerated.
500 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
502 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
503 (__mfu_usage): Include (C) 2004.
504 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
505 here. Include a comment explaining why.
507 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
509 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
510 * mf-runtime.c (options): Give them a name.
511 (__mf_set_default_options): Set them.
512 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
513 (__mf_violation): Warning cleanup.
514 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
515 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
517 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
520 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
523 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
525 Test case for g++/15861
526 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
527 * testsuite/libmudflap.c++/ctors.exp: Driver.
528 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
529 Look only for *frag* test cases.
531 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
533 ANSI C conversion, libmudflap specialization, recursion limiting.
534 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
535 argument and indirection function pointers, update callers.
536 (splay_tree_s): Add statistics and recursion control fields
537 num_keys, max_depth, depth, rebalance_p.
538 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
539 Back out of search if it exceeds limit.
540 (splay_tree_splay): Manage recursion limiting with rebalancing as
542 (splay_tree_new): More initialization.
543 (splay_tree_rebalance): New function.
544 (splay_tree_foreach): Rewrite using nonrecursive logic.
545 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
546 Remove. Point indirect calls to mf-runtime.c's routines.
547 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
549 (splay_tree_delete, splay_tree_delete_helper): Ditto.
550 * testsuite/heap-scalestress.c: New test based on one from
551 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
553 2004-07-05 Matthias Klose <doko@debian.org>
555 * libtool-version: New.
556 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
557 Use -version-info for soname.
558 * Makefile.in: Regenerate.
559 * configure.ac: Remove libtool_VERSION macro
560 * configure: Regenerate
562 2004-07-05 Zack Weinberg <zack@codesourcery.com>
564 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
565 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
568 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
570 Splay tree implementation fork.
571 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
572 Use hard-coded comparison function for uintptr_t. Remove key/value
573 deallocation logic. Cache last splayed key for consecutive lookups.
574 * Makefile.am, Makefile.in: Use them, don't link to them.
575 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
576 (__mf_find_objects2): Flip successor/predecessor search sequence.
577 * ansidecl.h, libiberty.h: Removed dummy files.
579 2004-06-29 Nick Clifton <nickc@redhat.com>
581 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
582 * configure: Regenerate.
583 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
585 Remove spurious inclusion of <strings.h>.
587 2004-06-29 Nick Clifton <nickc@redhat.com>
589 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
590 function actually exists.
592 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
594 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
595 * config.h.in: Regenerated.
597 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
599 Adopt splay trees for object database.
600 * Makefile.am: Copy splay-tree.* from libiberty.
601 * Makefile.in, testsuite/Makefile.in: Regenerated.
602 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
603 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
604 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
605 * mf-runtime.c: Rewrite code dealing with object database to use
606 libiberty splay trees. Remove tree liveness aging option.
607 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
609 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
611 * configure.ac: New name of configure.in. Update
612 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
613 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
614 Autoconf 2.5x and Automake 1.7 or later.
615 * configure.in: Remove.
616 * configure: Regenerate.
618 * Makefile.am: Remove useless multilib rules.
619 * Makefile.in: Regenerate.
621 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
623 * .cvsignore: New file.
625 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
628 * mf-hooks2.c (semctl): Add cygwin porting hack.
630 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
633 * configure.in: Look for ctype header and glibc implementation.
634 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
635 array hooks for glibc 2.3.
636 * mf-runtime.h.in: Wrap them.
637 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
639 * testsuite/libmudflap.c/pass47-frag.c: New test.
640 * configure, config.h.in: Regenerated.
642 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
644 Portability improvements, e.g., libmudflap/15293.
645 * configure.in: Look for glibc extension functions. Look for
646 support of -f{function,data}-sections. Look for more headers.
647 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
648 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
649 mf-hooks* into usual single object per source.
650 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
651 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
652 if system doesn't provide one.
653 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
654 (pthread_create): Use it to properly GC dead thread stacks.
655 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
656 * testsuite/Makefile.am: Stop generating site.exp.
657 * testsuite/mfconfig.exp.in: New file.
658 * testsuite/config/default.exp: Load new mfconfig.exp.
659 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
660 (prune_gcc_output): Add glibc static linking warnings.
661 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
662 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
663 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
664 Regenerated with autoconf 2.57 and automake 1.7.
666 2004-06-04 Per Bothner <per@bothner.com>
668 * configure.in (LIBMUDFLAPTH): Fix thinko.
670 * configure.in: Check for more headers.
671 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
673 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
674 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
676 2004-06-01 Andreas Jaeger <aj@suse.de>
678 * configure.in: Handle multilibs, support
679 --enable-version-specific-runtime-libs.
680 * Makefile.am (lib_LTLIBRARIES): Rename to ...
681 (toolexeclib_LTLIBRARIES): this for multilib support.
682 * Makefile.in: Regenerated.
683 * configure: Regenerated.
684 * aclocal.m4: Regenerated.
685 * config.h.in: Regenerated.
686 * testsuite/Makefile.in: Regenerated.
688 2004-06-01 Andreas Jaeger <aj@suse.de>
690 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
691 multilibs, using multilib directory instead of hardcoded path.
694 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
696 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
697 * Makefile.in: Ditto.
699 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
701 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
702 * aclocal.m4, configure: Rebuilt.
704 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
706 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
707 import some build settings from libstdc++-v3 testsuite_flags.
708 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
709 changes to pass test language.
711 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
712 quicker mode-nop handling.
714 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
716 * mf-impl.h: Added libgcc license header.
718 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
720 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
721 Added libgcc license header.
722 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
723 (pthread_create): Simplify stack allocation syntax.
725 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
727 * mf-hooks2.c: Support FreeBSD.
728 (WRAP_gets): Avoid gets().
729 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
730 test unimplemented mem/str calls on FreeBSD.
731 * testsuite/libmudflap.c/pass21-frag.c: Do not include
732 <alloca.h> on FreeBSD.
734 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
736 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
737 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
738 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
739 flags for static linking permutation.
740 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
741 some pthreads code that croaks on linux glibc tls.
743 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
745 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
747 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
749 * testsuite/libmudflap.c/pass44-frag.c: New test.
751 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
753 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
755 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
757 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
759 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
761 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
763 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
766 * configure.in: Add check for see if
767 socklen_t typedef is in sys/socket.h.
768 * mf-hooks1.c: Add define if socklen_t
770 * mf-hooks2.c: Likewise.
771 * mf-hooks3.c: Likewise.
772 * config.h.in: Regen.
775 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
777 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
778 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
780 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
781 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
782 (unoptimized) allocation of stack space.
784 2003-12-07 Richard Henderson <rth@redhat.com>
786 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
787 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
789 2003-12-06 Andrew Pinski <apinski@apple.com>
791 partial PR libmudflap/12670
792 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
793 * mf-hooks2.c: Likewise.
794 * mf-hooks3.c: Likewise.
796 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
799 * mf-runtime.h.in: Switch to #pragma redefine_extname for
800 symbols interposed at compile time.
801 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
804 * mf-hooks2.c (semctl): Tolerate FreeBSD.
806 * configure.in: Reorganize check for <pthread.h>.
807 * configure: Regenerated.
809 2003-11-04 David Edelsohn <edelsohn@gnu.org>
811 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
812 (_LARGE_FILE_API): Define for AIX.
813 * mf-hooks[123]: Same.
814 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
816 2003-10-21 David Edelsohn <edelsohn@gnu.org>
818 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
820 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
822 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
824 * configure.in: Update check for union semun.
826 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
829 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
831 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
834 * configure.in: Add checks for 64-bit LFS functions, struct semun
835 definition, for BSD compatibility.
836 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
837 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
838 * mf-hooks3.c: Ditto.
839 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
841 * configure, config.h.in: Regenerated.
843 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
845 Multithreading fixes:
846 * mf-runtime.c (__mf_object): Store allocating/deallocating
848 (options): Support new "-thread-stack" option.
849 Rename "-heur-argv-environ" option to "-heur-stdlib".
850 Disable "-lc-mask" and "-lc-shift" options.
851 (__mf_dynamic): Add function pointers for pthread_join/_exit.
852 (__assert_fail): New self-contained function for glibc.
853 * mf-hooks3.c: Essentially rewritten, particularly related to
854 use of __mf_pthread_info array.
855 (pthread_join, _exit): New hook functions.
856 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
857 * testsuite/libmudflap.cth/pass40-frag.c: New test.
860 * mf-heuristics.c: Add type casts for tracing, sub calls.
861 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
862 Update all callers to declare explicit result holder.
863 (END_PROTECT): Removed.
864 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
866 2003-07-15 Diego Novillo <dnovillo@redhat.com>
868 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
869 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
870 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
872 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
874 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
876 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
877 Move these macros from old mf-hooks.c here.
878 * Makefile.am: Adapt to split-up hook sources for faster builds.
879 * Makefile.in: Regenerated.
881 * mf-heuristics.c: Remove #if-0 block.
883 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
884 (__mf_starting_p): New state only for use while dlsym bootstrapping.
885 (CALL_REAL, __mf_init): Corresponding changes.
886 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
887 all callers to remove redundant "mf:" prefix.
888 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
889 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
890 (__mf_pthread_info): Become a hash table.
892 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
893 "dg-repetitions" directives to control test case execution.
894 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
896 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
898 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
900 * mf-hooks.c (alloca): Separate into stub.
901 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
902 malloc/free for alloca blocks.
903 (pthread_create): Tolerate failing pthread_attr_get* calls.
904 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
905 * mf-impl.h (CALL_WRAP): Remove macro.
906 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
907 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
908 padding for ia64 BIT_FIELD_REF constructs.
910 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
912 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
913 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
914 libmudflap object type.
915 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
916 crashes on unregistering STATIC objects.
918 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
920 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
921 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
922 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
923 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
924 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
925 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
926 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
927 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
928 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
929 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
930 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
931 (accept, bind, connect, gethostname, sethostname): New hooks.
932 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
933 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
934 (semop, semctl, shmctl, shmat, shmdt): New hooks.
935 * mf-runtime.h.in: Corresponding changes.
936 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
937 (opts) Rename heur_argv_environ to heur_std_data.
938 (__mf_wrap_main): Use STATIC type for argv/environ strings.
939 * Makefile.am: Corresponding changes.
940 * Makefile.in: Regenerated.
942 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
944 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
945 heuristic for threaded case, and for non-x86-linux targets.
946 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
947 for use during pre-main() program startup.
948 (__mf_0fn_*): Make these functions non-static.
949 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
951 * mf-runtime.c (__mf_state): Set initial state to "starting".
952 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
953 (__wrap_main): New function to register argv[] and environ[] strings.
955 (*): In all trace functions, use "%p" as formatter for uintptr_t.
957 * testsuite/libmudflap.c/pass38-frag.c: New test case.
958 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
960 * acinclude.m4: Add comments with aoliva's concerns about x86_64
962 * aclocal.m4, configure: Regenerated.
964 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
966 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
967 * aclocal.m4, configure: Regenerated.
969 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
971 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
972 for x86_64 target. Disable caching for this value.
973 * aclocal.m4, configure: Regenerated.
975 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
977 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
978 is about to become deprecated, and its present handling bugs are
981 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
983 * testsuite/libmudflap.c/pass38-frag.c: New test for
986 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
988 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
989 __mf_report, asserting reentrant calling context.
991 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
993 * mf-hooks.c (realloc): Correct reentrancy logic.
994 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
996 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
998 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
999 PTHREAD_THREADS_MAX. Update users.
1000 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
1002 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
1003 with libmudflapth presence indicator.
1004 * testsuite/Makefile.in: Regenerated.
1006 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
1008 * Makefile.am (AM_CFLAGS): Remove "-ansi".
1009 * configure.in: Remove silly no-pthreads => no-shared logic.
1010 * Makefile.in, configure: Regenerated.
1011 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
1012 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
1013 code. Count reentrancy events.
1014 (all hook functions): Don't directly manipulate __mf_state variable.
1015 Add TRACE calls to hook functions without them.
1016 * mf-impl.h (LOCKTH): Try to count lock contention events.
1017 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
1018 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
1019 Reorganize reentrancy code.
1020 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
1021 identify reentrancy with mutex holding times.
1022 (internal __mfu_ entry points): Remove internal reentrancy code.
1023 (__mf_init): Use ordinary locked calls.
1024 (__mfu_report): Print the two new counts.
1025 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
1026 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
1027 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
1028 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
1031 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
1033 * configure.in: Add pthread support, plus glibc and porting hacks.
1034 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
1035 from objects built into ./pth/.
1036 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
1037 functions for internal entry points. Update callers to pick
1038 locked vs. unlocked variants.
1039 (__mf_resolve_single_dynamic): Extend to support symbol versioning
1040 info coming in from a static data structure.
1041 (*): Reorder miscellaneous declarations to group data vs functions.
1042 (__mf_set_default_options): Simplify.
1043 (__mf_usage): Mention threading status of host executable.
1044 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
1045 decls to match above.
1046 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
1047 * mf-heuristics.c: Choose between locked/unlocked calls. Add
1048 some lock/unlock markers. Remove some unused code.
1050 (pthread_create): New hook function.
1051 (__mf_pthread_cleanup, _spawner): New helper functions.
1052 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
1054 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
1056 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
1058 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
1060 * Makefile.am (HOOKOBJS): Add *time related hooks.
1061 * configure.in: Look for pthreads.h header.
1062 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
1063 * mf-runtime.c: Begin sketching some pthreads support.
1064 (__mf_usage): Check for -lpthread presence.
1065 (__mf_unregister): Confirm matching unregistration base.
1066 (__mf_find_objects_rec): Reduce unnecessary recursion.
1067 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
1068 #defines for new hook functions.
1069 * mf-impl.h: Corresponding changes.
1070 * config.h.in, configure, Makefile.in: Regenerated.
1072 2002-04-27 Diego Novillo <dnovillo@redhat.com>
1074 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
1075 modifiers to prevent being optimized away.
1076 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
1077 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1078 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
1079 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1080 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
1081 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
1082 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
1084 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1086 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1087 * configure.in: Look for uintptr_t and -ldl on target.
1088 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1089 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1090 * testsuite/Makefile.in: Regenerated.
1091 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1092 for better C compliance.
1094 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1096 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1098 * mf-runtime.c (__mf_set_default_options): Turn off
1099 check-initialization.
1100 (__mf_describe_object): Shorten description.
1101 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1103 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
1105 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1107 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
1109 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1111 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1112 * mf-impl.h (CALL_BACKUP): New macros.
1113 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1115 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
1117 * Makefile.am (AM_CFLAGS): Remove optimization flags.
1118 (HOOKOBJS): Remove dlopen hook.
1119 (libmudflap_la_LIBADD): Add -ldl.
1120 * mf-hooks.c (dlopen): Remove hook.
1121 * mf-impl.h (__mf_dynamic): Ditto.
1122 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1123 * Makefile.in: Regenerated.
1125 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
1127 * configure.in: Check for target gettimeofday, signal, some headers.
1128 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
1129 out inop multi_threaded field.
1130 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1131 (__mf_set_options): Correct handling of "-help".
1132 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1133 (__mf_check, __mf_register, __mf_unregister): Call it.
1134 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1135 (__mf_report_leaks): Make callable
1136 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
1137 distribution statistics.
1138 (__mf_adapt_cache): Rewrite shift guessing logic based on address
1140 * config.h.in, configure: Regenerated.
1141 * testsuite/libmudflap.c/fail27-frag.c: New test.
1142 * testsuite/libmudflap.c/pass36-frag.c: New test.
1144 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
1146 * mf-runtime.h.in: Tweak.
1147 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1148 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1149 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1151 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1153 * configure.in: Tweak generation of mf-runtime.h some more. It
1154 needs to work from both config.status and configure.
1155 * configure: Regenerated.
1157 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1159 * Makefile.am: Reorganize hook file building. Add auto dependencies.
1160 * configure.in: Tweak generation of mf-runtime.h.
1161 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1162 * mf-hooks.c (*): Adapt to initialized-heap object type.
1163 * mf-impl.h: Tweak cemetary boundaries.
1164 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1166 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1167 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1168 * testsuite/lib/libmudflap.exp (includes): Include build tree.
1169 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1171 * testsuite/.../fail{25,26}-frag.c: New tests.
1172 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1173 * Makefile.in, configure: Regenerated.
1175 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1177 * mf-runtime.c (__mf_set_default_options): Turn on initialization
1178 checking by default.
1179 (__mf_insert_new_object): As a temporary hack, assume that new
1180 objects registered on the stack start out initialized.
1181 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1182 heap objects by hand.
1184 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1186 Switch to macro-style hooks for str*/mem*/b* functions.
1187 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1188 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1189 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1190 (__mf_set_default_options): Turn off heur_proc_map.
1191 (*): Adapt to to macro-style hook functions.
1192 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1193 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1194 (__mf_violation): Handle __MF_VIOL_WATCH.
1195 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1196 (__mf_dynamic): Removed mem*/str*/b* functions.
1197 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1198 (WRAPPER2): New macro for macro-style hooks.
1199 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1201 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1202 * mf-heuristics.c: Adapt to macro-style hook functions.
1203 Correct some comments.
1204 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1205 output pattern tests.
1206 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1207 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1209 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1211 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1212 for global array registration.
1213 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1214 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1216 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1218 * Makefile.am: Add gross make bug workarounds. Tweaked
1219 SUBDIRS and AM_CFLAGS.
1220 * Makefile.in: Regenerated.
1222 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1225 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1226 * Makefile.am (TESTS): Remove simple automake testing.
1227 * configure, Makefile.in: Regenerated.
1228 (SUBDIRS): Include new testsuite/ directory.
1229 * tests/*: Removed all files; moved bulk under:
1230 * testsuite/*: New subdirectory tree.
1231 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1232 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1233 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1234 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1235 * testsuite/config/default.exp: New file.
1236 * testsuite/Makefile.am, Makefile.in: New files.
1238 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1240 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1241 (TESTS): Add fail22 and pass29 tests.
1242 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1243 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1244 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1245 values. Move __MF_VIOL* here.
1246 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1247 (check_initialization): New field in __mf_opts. Default off.
1248 (read_count,write_count): New fields in __mf_object.
1249 (__mf_check): Implement basic initialization checking.
1250 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1251 (__mf_describe_object): Print new fields.
1252 (__mf_violation): Identify check/read vs. check/write in messages.
1253 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1254 "-check-initialized" mudflap option.
1255 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1256 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1257 Drop __FILE__/__LINE__ hack. Update callers.
1258 (*): Adapt to new mf-runtime.h API.
1259 * Makefile.in: regenerated.
1261 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1263 * configure.in: Build mf-runtime.h a more proper way.
1264 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1265 * mf-runtime.c (verbose_violations): Turn on by default.
1266 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1267 * mf-impl.h: ... and move it here.
1268 * configure: Regenerated.
1270 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1272 * configure.in: Look for C++ compiler.
1273 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1274 fixed type warnings when built with C++.
1275 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1276 * Makefile.am (TESTS): Run them.
1277 (*) Add new rules for building and running C++ tests.
1278 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1279 * mf-runtime.h.in: Protect with extern "C".
1280 * Makefile, configure: Regenerated.
1282 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1284 Portability improvements.
1285 * configure.in: Look for glibc backtrace headers/functions.
1286 * mf-hooks.c: Don't include <execinfo.h> any more.
1287 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1289 (__mf_backtrace): Provide alternate baby implementation in
1291 * test/mf-driver.c: Portability tweaks.
1292 * acinclude.m4: New file, containing top level libtool.m4.
1293 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1295 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1297 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1299 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1301 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1303 (__mf_unregister): Implement stack/heap object wiping.
1304 (__mf_set_options): Renamed from __mf_process_opts.
1305 (__mf_uncache_object): Change arg type, correct callers.
1306 * mf-impl.h: Corresponding changes.
1307 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1308 * mf-runtime.h.in (__mf_set_options): Extend public API.
1309 * test/pass26-frag.c: New test for stack wiping.
1310 * Makefile.am (TESTS): Run it.
1311 * Makefile.in: Regenerated.
1313 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1315 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1316 * mf-runtime.c (__mf_object_t): Add watching_p field.
1317 (__mf_watch_or_not): New function to implement
1318 object watch flagging.
1319 (__mf_watch, __mf_unwatch): New wrappers for above.
1320 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1321 (__mf_count_violation): Enlarge array.
1322 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1323 unlink object. Clear cache properly.
1324 (__mf_unregister): Unlink object explicitly before uncaching.
1325 * test/fail21-frag.c, pass25-frag.c: New tests.
1326 * Makefile.in, aclocal.m4: Regenerated.
1328 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1330 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1331 * Makefile.am (TESTS): Add it.
1332 * test/pass-stratcliff.c: Add decls of stpcpy.
1333 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1334 build tree from config.h and new file mf-runtime.h.in.
1335 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1336 * Makefile.in, configure, config.h.in: Regenerated.
1337 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1338 * mf-runtime.c (options, __mf_set_default_options): Support new
1339 default "abbreviate" option.
1340 (__mf_object.description_epoch): New field.
1341 (__mf_describe_object): Conditionally abbreviate objects already
1342 displayed in current epoch. Accept NULL input to increment epoch.
1343 (__mf_fini, __mf_ini): Reset description epoch.
1344 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1345 that NULL pointer slot in lookup cache is invalidated. Register a
1346 NOACCESS region around NULL.
1347 * mf-impl.h: Corresponding changes.
1349 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1351 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1352 * Makefile.am: Run them. Install mf-runtime.h.
1353 * Makefile.in: Regenerated.
1354 * mf-hooks.c: Add some markers for more missing functions.
1355 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1356 statistic to tune tune cache size (mask).
1358 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1360 * test/pass23-frag.c: New test for bit_field_ref expressions.
1361 * Makefile.am, Makefile.in: Add new test.
1362 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1363 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1364 * mf-runtime.c (__mf_init): Register errno global.
1365 (__mf_find_object): Removed function.
1366 (__mf_check): Rewrite logic to support accesses across some
1367 contiguous but distinctly registered objects.
1368 (__mf_remove_old_object): Tolerate cache entries that span
1371 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1373 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1374 * Makefile.am, Makefile.in: Run new tests.
1375 * mf-hooks.c (alloca): Correct stack direction logic.
1377 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1379 * mf-impl.h (adapt_cache): New option.
1380 * mf-runtime.c (__mf_set_default_options): Set its default value.
1381 Tweak the tree_aging parameter down.
1382 (__mf_check): Maintain separate counter for cache-adaptation.
1383 (__mf_tree_analyze): New function to collect object tree stats.
1384 (__mf_adapt_cache): New function to automate cache parameters.
1386 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1388 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1389 hypothetical #if-0'd argv/envp region registration.
1390 * mf-runtime.c (__mf_init): Add kludged form of above.
1391 (*) Add "heur_argv_environ" flag, default on, to govern this.
1392 * mf-impl.h: Corresponding changes.
1394 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1396 * test/fail18-frag.c: New test file for NOACCESS regions.
1397 * Makefile.am (TESTS): Add new test.
1398 * Makefile.in: Regenerated.
1400 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1401 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1402 (optimize_object_tree): Remove unused mudflap_option.
1403 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1404 support throughout. Use .._MAX_CEM for cemetary upper bound.
1405 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1407 (__mf_object): Add new liveness field for use by tree aging.
1408 (__mf_check): Trigger tree aging when needed.
1409 (__mf_age_tree): New function to decay liveness field.
1410 (__mf_find_objects_rec): Use liveness field to rotate tree.
1411 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1412 (__mf_unregister): Ditto.
1413 (__mf_register): Tweak duplicate-static message.
1414 (__mf_violation: Tweak nearby-object counter printing.
1416 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1418 * test/pass20-frag.c: New test file.
1419 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1420 * Makefile.in: Regenerated.
1422 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1423 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1424 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1425 entries to avoid repeat registration.
1426 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1427 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1429 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1431 * Makefile.am: Create test sources with #include, not cat>>.
1432 * Makefile.in: Regenerated.
1433 * test/buildtest.sh: Removed.
1434 * test/driver.c (abort_handler, main): Be quiet.
1436 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1438 * test/pass18-frag.c, pass19-frag.c: New tests.
1439 * Makefile.am (check): Run them. Rebuild test programs each time.
1440 * Makefile.in: Regenerated.
1442 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1444 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1445 overlapping object search.
1446 (__mf_violation): Likewise for nearby objects.
1447 Improve nearby-object listing.
1450 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1451 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1453 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1456 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1457 (HOOKOBJS): Add alloca-hook.o.
1458 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1460 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1461 (__mf_backtrace): Reimplement without using alloca.
1462 * Makefile.in: Regenerated.
1465 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1466 Correct signedness bugs in length-tracking variables.
1467 * mf-impl.h: Make options unsigned.
1468 (CALL_WRAP): New macro to parallel CALL_REAL().
1469 (DECLARE): Remove erroneous ";" at end.
1470 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1471 formatting specs with %08lx. Correct several compiler warnings.
1473 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1475 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1477 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1479 libmudflap hook breakup:
1480 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1482 (TESTS): Make dependent on libmudflap.
1483 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1484 compiled from segments of mf-hooks.c.
1485 * mf-hooks.c: Corresponding changes: wrap each function in
1487 * Makefile.in: Regenerated.
1489 Heuristics reorganization:
1490 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1491 Remove these functions. Update callers.
1492 (__mf_heuristic_check): Incorporate all the various heuristics.
1493 Encode cacheability/retry judgement into trinary return value.
1494 Separate start-end logic into a separate fallback heuristic. Only
1495 register relevant /proc/self/map segments.
1496 * mf-impl.h: Corresponding changes.
1497 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1498 (__mf_init): Don't call __mf_init_heuristics.
1501 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1502 "-verbose-trace" to emit all tracing messages other than those of
1503 basic public api. Eliminate some duplicate/excessive messages.
1504 * mf-runtime.h: Corresponding changes.
1506 2002-08-27 Graydon Hoare <graydon@redhat.com>
1508 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1509 and __real when compiled with -DPIC.
1510 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1511 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1512 * Makefile.in: Regenerate.
1514 2002-08-26 Graydon Hoare <graydon@redhat.com>
1516 * mf-impl.h: New file, private implementation header.
1517 * mf-runtime.h: Reorganize a bit.
1518 (CLAMPSZ): Fix arithmetic.
1519 (__MF_CACHE_MISS_P): Fix arithmetic.
1520 * mf-runtime.c: Reorganize a bit.
1521 (__mf_dynamic): New structure.
1522 (resolve_single_dynamic): New function.
1523 (__mf_resolve_dynamics): New function.
1524 (__mf_init): Initialize dynamic wrappers.
1525 * mf-hooks.c: Macro-ize __real calls.
1526 Clamp various bits of arithmetic.
1527 Add explicit __mf_check call contexts.
1528 * Makefile.am: Add dependencies on mf-impl.h
1529 * Makefile.in: Regenerate.
1530 * configure.in: Comment out shared override.
1531 * configure: Regenerate.
1533 2002-08-22 Graydon Hoare <graydon@redhat.com>
1535 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1536 (__mf_check): Re-inialize and check heuristics before violation.
1537 (__mf_register): Permit updating pure-guess regions.
1538 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1539 (__wrap_dlopen): New wrapper function.
1540 (__wrap_mmap): New wrapper function.
1541 (__wrap_munmap): New wrapper function.
1542 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1543 which are not stack addresses.
1544 (is_stack_address): New function.
1545 (__mf_init_heuristics): Save and restore state, always initialize with
1548 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1550 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1551 error. Pass location string.
1552 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1553 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1554 (__mf_process_opts): Apply some sanity checking for lc-mask.
1555 (__mf_check, __mf_violation): Take new location-string argument.
1556 Update callers to pass NULL if necessary.
1557 (__mf_backtrace): New smart backtracer function. Calls replace
1558 several ad-hoc blocks elsewhere.
1559 (__mf_describe_object): Remove bad reentrancy test. Improve
1561 * mf-runtime.h: Corresponding changes. Public/private markup.
1562 (__MF_CACHE_MISS_P): New macro.
1564 2002-08-20 Graydon Hoare <graydon@redhat.com>
1566 * mf-runtime.h: New option: stack_bound (heuristic).
1567 Move some macros out of implementation files.
1568 * mf-runtime.c: New option string: -stack-bound.
1569 Unify recursion protection with hooks.
1571 (__mf_check): Call __mf_heuristic_check.
1572 (__mf_process_opts): Fix "no-" processing.
1573 * mf-heuristics.c (__mf_heuristic_check): New function.
1574 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1576 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1578 Option parsing improvements, region splitting bug fixes:
1579 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1580 * mf-runtime.h (heur_proc_map): New libmudflap option.
1581 * mf-runtime.c (__mf_set_default_options): Set it.
1582 (__mf_usage): Print default values/status.
1583 (__mf_process_opts): Support general "no-" option string prefix.
1584 (__mf_init): Print __mf_usage on unknown-option error.
1585 (__mf_register): Print trace message up front.
1586 Correct region splitting logic for case where a subregion disappears.
1587 Correct memory leak.
1588 (__mf_violation): Make even basic message conditional on option.
1591 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1592 (clean-local): New target.
1593 (test/*x rules): Add -g CFLAGS.
1594 (CFLAGS): Add -freorder-blocks.
1595 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1596 * Makefile.in: Regenerated.
1597 * Makefile, mf-config.h: Removed files.
1599 2002-08-16 Graydon Hoare <graydon@redhat.com>
1601 * mf-runtime.c (__mf_insert_new_object): Factor out of
1603 (__mf_remove_old_object): Factor out of __mf_unregister.
1604 (__mf_register): Handle guessed regions, splitting
1605 guesses when new registrations arrive.
1606 (__mf_unregister): Do not unregister guesses.
1607 * mf-runtime.h: Move convenience macros around,
1608 declare new option fields. Add __MF_TYPE_GUESS.
1609 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1610 (__wrap_free): Call __real_free for deferred frees.
1611 * Makefile.am: Add more tests, fix dependency.
1612 * Makefile.in: Regenerate.
1613 * test/pass[13..17]-frag.c: New testcases.
1614 * test/fail[13..17]-frag.c: New testcases.
1616 2002-08-15 Graydon Hoare <graydon@redhat.com>
1618 * mf-heuristics.c: New file.
1619 * mf-runtime.c (options): Add -trace-calls option.
1620 (__mf_init): Call __mf_init_heuristics.
1622 2002-08-14 Graydon Hoare <graydon@redhat.com>
1624 * Makefile.am (TESTS): Add testsuite support.
1625 * Makefile.in: Regenerate.
1626 * test/mf-driver.c: New file.
1627 * test/buildtest.sh: New file.
1628 * test/passNN-frag.c: New testcases.
1629 * test/failNN-frag.c: New testcases.
1631 2002-08-14 Graydon Hoare <graydon@redhat.com>
1633 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1634 verifying non-size-limited string extents.
1636 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1638 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1639 instead of plain str[n]len for internal checks.
1640 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1642 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1644 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1646 2002-08-13 Graydon Hoare <graydon@redhat.com>
1648 * mf-runtime.c: Rework configuration to operate on
1649 environment variable options rather than #defines
1650 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1651 (__mf_init): Set static __mf_active_p flag on startup,
1652 to inhibit mudflap wrap-based checking during crt0.s.
1653 * mf-runtime.h: Declare options structure.
1654 * mf-hooks.c: New wrappings for mem*, b*, str*
1655 libc functions (temporarily #if 0-ed out).
1657 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1659 * Makefile.am, configure.in: New files.
1660 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1661 * stamp-h.in, aclocal.m4: Ditto.
1663 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1665 * Makefile: New file.
1666 * mf-config.h: New file: runtime configuration.
1667 * mf-hooks.c: New file: interposed libc functions.
1668 * mf-runtime.c: New file: bulk of runtime.
1669 * mf-runtime.h: New file: public functions.