| blob | 1b284719beec5771228a73ea017de9d1b711f13e |
1 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3 * configure: Regenerate.
5 2006-11-13 Daniel Jacobowitz <dan@codesourcery.com>
7 * configure: Regenerated.
9 2006-11-10 Frank Ch. Eigler <fche@redhat.com>
11 PR libmudflap/28578
12 * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
13 static but not function scope static.
14 (free): Skip deallocation attempts for objects placed into
15 bootstrap buffers.
16 * testsuite/libmudflap.cth/pass59-frag.c: New test.
18 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
20 From Herman ten Brugge <hermantenbrugge@home.nl>:
21 * mf-runtime.c (__mf_uncache_object): Optimize the code so that
22 small and large objects are handled a lot faster.
24 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
26 * configure.ac (__libc_freeres): Look for it.
27 * mf-impl.h (call_libc_freeres): New configuration flag.
28 * mf-runtime.c (__mf_set_default_options): Set it by default.
29 (__mfu_report): Call it if needed.
30 (__mfu_unregister): Remove "unaccessed registered object" warning.
31 * configure, config.h.in: Regenerated.
33 2006-09-18 Tom Tromey <tromey@redhat.com>
35 * configure: Rebuilt.
37 2006-06-21 Frank Ch. Eigler <fche@redhat.com>
39 PR 21274
40 mf-runtime.h installation based on ssp patch for PR 26473 from
41 Mark Mitchell <mark@codesourcery.com>.
42 * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
43 * Makefile.am (target_noncanonical): Define.
44 (libsubincludedir): New variable.
45 (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
46 (include_HEADERS): Remove.
47 * configure, aclocal.m4, config.h.in: Regenerated.
48 * Makefile.in, testsuite/Makefile.in: Likewise.
49 * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
50 and _THREAD_SAFE redefinition values.
52 2006-05-23 Carlos O'Donell <carlos@codesourcery.com>
54 * Makefile.am: Add install-html target. Add install-html to .PHONY
55 * Makefile.in: Regenerate.
57 2006-04-19 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
59 PR mudflap/26789
60 * testsuite/libmudflap.c++/error1-frag.cxx: New test.
62 PR mudflap/26790
63 * testsuite/libmudflap.c++/error2-frag.cxx: New test.
65 2006-04-10 Matthias Klose <doko@debian.org>
67 * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
68 directory names containing underscores.
70 2005-11-22 Janis Johnson <janis187@us.ibm.com>
72 * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
73 MUDFLAP_FLAGS if static library not supported.
74 * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
75 * testsuite/libmudflap.c/externs.exp: Ditto.
76 * testsuite/libmudflap.c++/ctors.exp: Ditto.
77 * testsuite/libmudflap.c++/c++frags.exp: Ditto.
78 * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
80 2005-10-04 James E Wilson <wilson@specifix.com>
82 * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
83 $name as array of characters with unknown bound. Also store into the
84 array.
85 * configure: Regenerate.
87 2005-09-30 James E. Wilson <wilson@specifix.com>
89 * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
90 AC_CHECK_HEADER.
91 (target_thread_file): New. Set from sed'ed gcc output.
92 (posix_threads): New. Set from target_thread_file. Use instead of
93 ac_have_pthread_h.
94 (pthread_create_version): Move initialization before code using it.
95 * configure: Regenerate.
97 * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
98 bounds.
100 2005-09-29 James E. Wilson <wilson@specifix.com>
102 * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
103 with HAVE_MMAP ifdef.
105 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
107 PR 23084.
108 * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
110 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
112 * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
114 2005-09-23 Tom Tromey <tromey@redhat.com>
116 * aclocal.m4, configure: Rebuilt.
117 * configure.ac: Use GCC_CHECK_TLS.
118 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
119 to ../config.
121 2005-08-22 Jim Wilson <wilson@specifix.com>
123 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
124 __FreeBSD__ is defined.
126 2005-08-17 Jim Wilson <wilson@specifix.com>
128 * mf-hooks1.c (malloc, calloc, realloc, free,
129 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
130 the real routines, and END_MALLOC_PROTECT afterwards.
131 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
132 (BEGIN_PROTECT): Handle in_malloc state.
133 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
134 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
136 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
138 * All files: Update FSF address.
140 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
142 * mf-hooks3.c (main_seen_p): Remove.
143 (__mf_get_state): Remove attempt to recognize the main thread.
145 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
147 * configure.ac: Test for the name of the symbol used for the entry
148 point; define ENTRY_POINT to the result.
149 * configure: Regenerate.
150 * config.h.in: Regenerate.
151 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
153 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
155 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
156 (__mf_init): Set thread state active.
157 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
158 state active.
159 (pthread_create wrapper): Always use thread spawner.
161 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
162 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
164 2005-07-16 Richard Henderson <rth@redhat.com>
166 * acinclude.m4: New file.
167 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
168 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
169 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
170 (__mf_0fn_calloc): ... here.
171 * mf-hooks3.c (struct pthread_info): Remove.
172 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
173 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
174 (struct mf_thread_data): New.
175 (mf_thread_data, mf_thread_data_lock): New.
176 (__mf_allocate_blank_threadinfo): Remove.
177 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
178 not available.
179 (__mf_state_perthread): Remove.
180 (__mf_get_state, __mf_set_state): New.
181 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
182 Update mf_thread_data killing procedure.
183 (__mf_pthread_spawner): Similarly.
184 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
185 code to allocate thread stack space.
186 (__mf_0fn_pthread_join, pthread_join): Remove.
187 (__mf_0fn_pthread_exit, pthread_exit): Remove.
188 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
189 (__mf_state_1): Rename from __mf_state; use TLS when available.
190 (__mf_get_state, __mf_set_state): New. Update all users.
191 * mf-runtime.c (begin_recursion_protect1): New.
192 (BEGIN_RECURSION_PROTECT): Use it.
193 (__mf_state_1): Rename from __mf_state; use TLS when available.
194 (threads_active_p): Remove.
195 (__mf_usage): Compute it directly.
197 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
199 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
201 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
203 Fix for uncaching bug reported by Herman ten Brugge.
204 * mf-runtime.c (__mf_uncache_object): Search whole cache.
205 * testsuite/libmudflap.c/fail40-frag.c: New test.
207 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
209 PR libmudflap/21724
210 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
211 * Makefile.in: Amend.
213 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
215 PR mudflap/21023
216 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
217 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
219 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
221 PR libmudflap/21094
222 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
224 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
226 PR mudflap/22064
227 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
228 unsigned vars with #defines instead of enums.
230 2005-05-09 Mike Stump <mrs@apple.com>
232 * configure: Regenerate.
234 2005-04-12 Mike Stump <mrs@apple.com>
236 * configure: Regenerate.
238 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
240 PR mudflap/19266
241 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
242 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
244 2005-04-04 Alan Modra <amodra@bigpond.net.au>
246 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
248 2005-03-31 Mike Stump <mrs@apple.com>
250 * mf-runtime.h: Add libmudflap copyright clause.
252 2005-03-21 Mike Stump <mrs@apple.com>
254 * mf-heuristics.c: Fix whitespace at end of line.
255 * mf-hooks1.c: Likewise.
256 * mf-hooks2.c: Likewise.
257 * mf-hooks3.c: Likewise.
258 * mf-impl.h: Likewise.
259 * mf-runtime.c: Likewise.
260 * mf-runtime.h: Likewise.
262 2005-03-21 Zack Weinberg <zack@codesourcery.com>
264 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
265 In all substitutions, expand gcc_version in Makefile.
266 * aclocal.m4, configure: Regenerate.
267 * Makefile.am: Set gcc_version.
268 * Makefile.in, testsuite/Makefile.in: Regenerate.
270 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
272 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
273 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
275 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
277 PR mudflap/19319
278 * testsuite/libmudflap.c++/pass55-frag.c: New test.
280 2005-01-05 Richard Henderson <rth@redhat.com>
282 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
284 2005-01-02 Greg McGary <greg@mcgary.org>
286 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
287 * mf-runtime.h: New file, replaces mf-runtime.h.in.
288 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
289 * Makefile.in: Ditto.
290 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
291 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
292 * testsuite/libmudflap.c/fail36-frag.c: New test.
293 * testsuite/libmudflap.c/fail37-frag.c: New test.
294 * testsuite/libmudflap.c/fail38-frag.c: New test.
296 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
298 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
299 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
301 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
303 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
304 * aclocal.m4: Include ../config/gcc-version.m4.
305 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
307 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
309 * Makefile.am: Define ACLOCAL_AMFLAGS.
310 * acinclude.m4: Remove.
311 * stamp-h.in: Remove superfluous stamp file.
312 * aclocal.m4, configure, Makefile.in: Regenerate.
313 * testsuite/Makefile.in: Likewise.
315 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
317 * Makefile.am: Revert previous.
318 * acinclude.m4: Restore.
319 * aclocal.m4, configure, Makefile.in: Regenerate.
320 * testsuite/Makefile.in: Likewise.
322 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
324 * Makefile.am: Define ACLOCAL_AMFLAGS.
325 * acinclude.m4: Remove.
326 * aclocal.m4, configure, Makefile.in: Regenerate.
327 * testsuite/Makefile.in: Likewise.
329 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
331 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
333 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
335 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
336 * testsuite/Makefile.in: Likewise.
338 2004-11-01 Andreas Schwab <schwab@suse.de>
340 * configure.ac: (target_alias): Default to $host_alias, not
341 $target.
342 * configure: Regenerated.
344 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
346 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
347 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
348 message.
350 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
352 PR other/18138
353 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
355 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
357 * configure.ac: Check for more headers, functions.
358 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
359 tracking overridden FILE buffers.
360 (fopen, setvbuf): New/revised hook functions for buffer overriding.
361 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
362 (fflush): Accept given NULL stream (means "all streams").
363 * mf-runtime.h.in:
364 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
365 HEAP/GUESS objects.
366 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
367 (__mf_adapt_cache): Use them all.
368 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
369 * testsuite/libmudflap.c++/ctors.exp: Ditto.
370 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
371 * configure, config.h.in: Regenerated.
373 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
375 * configure.ac: Checking for sys/socket.h once is enough.
376 * configure: Regenerated.
378 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
380 * configure.ac: Look for more headers & functions.
381 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
382 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
383 * mf-runtime.c (options): Clean up integer signedness warnings.
384 (main): Add a declaration to fix a warning.
385 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
386 * configure, config.h.in: Regenerated.
388 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
390 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
391 New tests for proper base/limit checking for aggregates.
393 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
395 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
397 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
399 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
400 * mf-hooks2.c (strerror): Unregister previous string returned by
401 previous strerror.
402 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
403 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
404 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
405 * mf-runtime.c (__mf_describe_object): Clarify object life status.
406 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
407 New tests.
408 * configure, config.h.in: Regenerated.
410 2004-08-03 Dale Johannesen <dalej@apple.com>
412 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
414 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
416 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
417 simplified contents in all former callers.
419 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
421 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
422 the statically linked case.
424 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
426 * splay-tree.[ch]: Remove. Merge contents into ...
427 * mf-runtime.c: ... here, renaming symbols and making all functions
428 static. Remove unused min/max functions.
429 * Makefile.am: Forget about splay-tree.[ch].
430 * Makefile.in, testsuite/Makefile.in: Regenerated.
432 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
434 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
435 (__mfu_usage): Include (C) 2004.
436 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
437 here. Include a comment explaining why.
439 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
441 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
442 * mf-runtime.c (options): Give them a name.
443 (__mf_set_default_options): Set them.
444 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
445 (__mf_violation): Warning cleanup.
446 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
447 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
449 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
451 g++/15861
452 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
453 repeated invocation.
455 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
457 Test case for g++/15861
458 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
459 * testsuite/libmudflap.c++/ctors.exp: Driver.
460 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
461 Look only for *frag* test cases.
463 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
465 ANSI C conversion, libmudflap specialization, recursion limiting.
466 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
467 argument and indirection function pointers, update callers.
468 (splay_tree_s): Add statistics and recursion control fields
469 num_keys, max_depth, depth, rebalance_p.
470 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
471 Back out of search if it exceeds limit.
472 (splay_tree_splay): Manage recursion limiting with rebalancing as
473 needed.
474 (splay_tree_new): More initialization.
475 (splay_tree_rebalance): New function.
476 (splay_tree_foreach): Rewrite using nonrecursive logic.
477 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
478 Remove. Point indirect calls to mf-runtime.c's routines.
479 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
480 functions.
481 (splay_tree_delete, splay_tree_delete_helper): Ditto.
482 * testsuite/heap-scalestress.c: New test based on one from
483 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
485 2004-07-05 Matthias Klose <doko@debian.org>
487 * libtool-version: New.
488 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
489 Use -version-info for soname.
490 * Makefile.in: Regenerate.
491 * configure.ac: Remove libtool_VERSION macro
492 * configure: Regenerate
494 2004-07-05 Zack Weinberg <zack@codesourcery.com>
496 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
497 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
498 #ifndef _MUDFLAP.
500 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
502 Splay tree implementation fork.
503 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
504 Use hard-coded comparison function for uintptr_t. Remove key/value
505 deallocation logic. Cache last splayed key for consecutive lookups.
506 * Makefile.am, Makefile.in: Use them, don't link to them.
507 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
508 (__mf_find_objects2): Flip successor/predecessor search sequence.
509 * ansidecl.h, libiberty.h: Removed dummy files.
511 2004-06-29 Nick Clifton <nickc@redhat.com>
513 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
514 * configure: Regenerate.
515 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
516 HAVE_DIRENT_H.
517 Remove spurious inclusion of <strings.h>.
519 2004-06-29 Nick Clifton <nickc@redhat.com>
521 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
522 function actually exists.
524 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
526 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
527 * config.h.in: Regenerated.
529 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
531 Adopt splay trees for object database.
532 * Makefile.am: Copy splay-tree.* from libiberty.
533 * Makefile.in, testsuite/Makefile.in: Regenerated.
534 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
535 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
536 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
537 * mf-runtime.c: Rewrite code dealing with object database to use
538 libiberty splay trees. Remove tree liveness aging option.
539 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
541 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
543 * configure.ac: New name of configure.in. Update
544 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
545 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
546 Autoconf 2.5x and Automake 1.7 or later.
547 * configure.in: Remove.
548 * configure: Regenerate.
550 * Makefile.am: Remove useless multilib rules.
551 * Makefile.in: Regenerate.
553 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
555 * .cvsignore: New file.
557 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
559 PR libmudflap/13505
560 * mf-hooks2.c (semctl): Add cygwin porting hack.
562 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
564 ctype support.
565 * configure.in: Look for ctype header and glibc implementation.
566 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
567 array hooks for glibc 2.3.
568 * mf-runtime.h.in: Wrap them.
569 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
570 implementations.
571 * testsuite/libmudflap.c/pass47-frag.c: New test.
572 * configure, config.h.in: Regenerated.
574 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
576 Portability improvements, e.g., libmudflap/15293.
577 * configure.in: Look for glibc extension functions. Look for
578 support of -f{function,data}-sections. Look for more headers.
579 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
580 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
581 mf-hooks* into usual single object per source.
582 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
583 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
584 if system doesn't provide one.
585 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
586 (pthread_create): Use it to properly GC dead thread stacks.
587 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
588 * testsuite/Makefile.am: Stop generating site.exp.
589 * testsuite/mfconfig.exp.in: New file.
590 * testsuite/config/default.exp: Load new mfconfig.exp.
591 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
592 (prune_gcc_output): Add glibc static linking warnings.
593 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
594 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
595 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
596 Regenerated with autoconf 2.57 and automake 1.7.
598 2004-06-04 Per Bothner <per@bothner.com>
600 * configure.in (LIBMUDFLAPTH): Fix thinko.
602 * configure.in: Check for more headers.
603 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
605 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
606 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
608 2004-06-01 Andreas Jaeger <aj@suse.de>
610 * configure.in: Handle multilibs, support
611 --enable-version-specific-runtime-libs.
612 * Makefile.am (lib_LTLIBRARIES): Rename to ...
613 (toolexeclib_LTLIBRARIES): this for multilib support.
614 * Makefile.in: Regenerated.
615 * configure: Regenerated.
616 * aclocal.m4: Regenerated.
617 * config.h.in: Regenerated.
618 * testsuite/Makefile.in: Regenerated.
620 2004-06-01 Andreas Jaeger <aj@suse.de>
622 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
623 multilibs, using multilib directory instead of hardcoded path.
624 Set LD_RUN_PATH.
626 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
628 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
629 * Makefile.in: Ditto.
631 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
633 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
634 * aclocal.m4, configure: Rebuilt.
636 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
638 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
639 import some build settings from libstdc++-v3 testsuite_flags.
640 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
641 changes to pass test language.
643 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
644 quicker mode-nop handling.
646 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
648 * mf-impl.h: Added libgcc license header.
650 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
652 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
653 Added libgcc license header.
654 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
655 (pthread_create): Simplify stack allocation syntax.
657 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
659 * mf-hooks2.c: Support FreeBSD.
660 (WRAP_gets): Avoid gets().
661 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
662 test unimplemented mem/str calls on FreeBSD.
663 * testsuite/libmudflap.c/pass21-frag.c: Do not include
664 <alloca.h> on FreeBSD.
666 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
668 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
669 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
670 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
671 flags for static linking permutation.
672 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
673 some pthreads code that croaks on linux glibc tls.
675 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
677 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
679 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
681 * testsuite/libmudflap.c/pass44-frag.c: New test.
683 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
685 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
687 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
689 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
691 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
693 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
695 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
697 PR libmudflap/12670
698 * configure.in: Add check for see if
699 socklen_t typedef is in sys/socket.h.
700 * mf-hooks1.c: Add define if socklen_t
701 is not typedef.
702 * mf-hooks2.c: Likewise.
703 * mf-hooks3.c: Likewise.
704 * config.h.in: Regen.
705 * configure: Regen.
707 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
709 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
710 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
711 optimizations.
712 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
713 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
714 (unoptimized) allocation of stack space.
716 2003-12-07 Richard Henderson <rth@redhat.com>
718 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
719 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
721 2003-12-06 Andrew Pinski <apinski@apple.com>
723 partial PR libmudflap/12670
724 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
725 * mf-hooks2.c: Likewise.
726 * mf-hooks3.c: Likewise.
728 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
730 libstdc++/11696
731 * mf-runtime.h.in: Switch to #pragma redefine_extname for
732 symbols interposed at compile time.
733 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
735 libmudflap/12939
736 * mf-hooks2.c (semctl): Tolerate FreeBSD.
738 * configure.in: Reorganize check for <pthread.h>.
739 * configure: Regenerated.
741 2003-11-04 David Edelsohn <edelsohn@gnu.org>
743 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
744 (_LARGE_FILE_API): Define for AIX.
745 * mf-hooks[123]: Same.
746 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
748 2003-10-21 David Edelsohn <edelsohn@gnu.org>
750 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
752 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
754 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
756 * configure.in: Update check for union semun.
758 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
760 PR other/11673
761 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
763 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
765 PR other/11673
766 * configure.in: Add checks for 64-bit LFS functions, struct semun
767 definition, for BSD compatibility.
768 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
769 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
770 * mf-hooks3.c: Ditto.
771 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
772 mmap flag.
773 * configure, config.h.in: Regenerated.
775 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
777 Multithreading fixes:
778 * mf-runtime.c (__mf_object): Store allocating/deallocating
779 thread id.
780 (options): Support new "-thread-stack" option.
781 Rename "-heur-argv-environ" option to "-heur-stdlib".
782 Disable "-lc-mask" and "-lc-shift" options.
783 (__mf_dynamic): Add function pointers for pthread_join/_exit.
784 (__assert_fail): New self-contained function for glibc.
785 * mf-hooks3.c: Essentially rewritten, particularly related to
786 use of __mf_pthread_info array.
787 (pthread_join, _exit): New hook functions.
788 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
789 * testsuite/libmudflap.cth/pass40-frag.c: New test.
791 Warning cleanups:
792 * mf-heuristics.c: Add type casts for tracing, sub calls.
793 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
794 Update all callers to declare explicit result holder.
795 (END_PROTECT): Removed.
796 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
798 2003-07-15 Diego Novillo <dnovillo@redhat.com>
800 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
801 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
802 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
804 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
806 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
807 * mf-hooks: Removed.
808 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
809 Move these macros from old mf-hooks.c here.
810 * Makefile.am: Adapt to split-up hook sources for faster builds.
811 * Makefile.in: Regenerated.
813 * mf-heuristics.c: Remove #if-0 block.
815 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
816 (__mf_starting_p): New state only for use while dlsym bootstrapping.
817 (CALL_REAL, __mf_init): Corresponding changes.
818 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
819 all callers to remove redundant "mf:" prefix.
820 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
821 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
822 (__mf_pthread_info): Become a hash table.
824 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
825 "dg-repetitions" directives to control test case execution.
826 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
827 options.
828 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
830 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
832 * mf-hooks.c (alloca): Separate into stub.
833 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
834 malloc/free for alloca blocks.
835 (pthread_create): Tolerate failing pthread_attr_get* calls.
836 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
837 * mf-impl.h (CALL_WRAP): Remove macro.
838 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
839 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
840 padding for ia64 BIT_FIELD_REF constructs.
842 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
844 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
845 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
846 libmudflap object type.
847 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
848 crashes on unregistering STATIC objects.
850 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
852 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
853 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
854 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
855 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
856 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
857 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
858 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
859 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
860 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
861 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
862 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
863 (accept, bind, connect, gethostname, sethostname): New hooks.
864 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
865 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
866 (semop, semctl, shmctl, shmat, shmdt): New hooks.
867 * mf-runtime.h.in: Corresponding changes.
868 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
869 (opts) Rename heur_argv_environ to heur_std_data.
870 (__mf_wrap_main): Use STATIC type for argv/environ strings.
871 * Makefile.am: Corresponding changes.
872 * Makefile.in: Regenerated.
874 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
876 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
877 heuristic for threaded case, and for non-x86-linux targets.
878 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
879 for use during pre-main() program startup.
880 (__mf_0fn_*): Make these functions non-static.
881 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
882 functions.
883 * mf-runtime.c (__mf_state): Set initial state to "starting".
884 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
885 (__wrap_main): New function to register argv[] and environ[] strings.
886 (__mf_ini): Call it.
887 (*): In all trace functions, use "%p" as formatter for uintptr_t.
889 * testsuite/libmudflap.c/pass38-frag.c: New test case.
890 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
892 * acinclude.m4: Add comments with aoliva's concerns about x86_64
893 pass_all.
894 * aclocal.m4, configure: Regenerated.
896 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
898 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
899 * aclocal.m4, configure: Regenerated.
901 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
903 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
904 for x86_64 target. Disable caching for this value.
905 * aclocal.m4, configure: Regenerated.
907 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
909 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
910 is about to become deprecated, and its present handling bugs are
911 unworthy of fixing.
913 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
915 * testsuite/libmudflap.c/pass38-frag.c: New test for
916 -fwritable-strings.
918 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
920 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
921 __mf_report, asserting reentrant calling context.
923 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
925 * mf-hooks.c (realloc): Correct reentrancy logic.
926 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
928 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
930 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
931 PTHREAD_THREADS_MAX. Update users.
932 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
933 for active options.
934 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
935 with libmudflapth presence indicator.
936 * testsuite/Makefile.in: Regenerated.
938 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
940 * Makefile.am (AM_CFLAGS): Remove "-ansi".
941 * configure.in: Remove silly no-pthreads => no-shared logic.
942 * Makefile.in, configure: Regenerated.
943 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
944 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
945 code. Count reentrancy events.
946 (all hook functions): Don't directly manipulate __mf_state variable.
947 Add TRACE calls to hook functions without them.
948 * mf-impl.h (LOCKTH): Try to count lock contention events.
949 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
950 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
951 Reorganize reentrancy code.
952 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
953 identify reentrancy with mutex holding times.
954 (internal __mfu_ entry points): Remove internal reentrancy code.
955 (__mf_init): Use ordinary locked calls.
956 (__mfu_report): Print the two new counts.
957 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
958 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
959 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
960 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
961 option defaults.
963 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
965 * configure.in: Add pthread support, plus glibc and porting hacks.
966 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
967 from objects built into ./pth/.
968 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
969 functions for internal entry points. Update callers to pick
970 locked vs. unlocked variants.
971 (__mf_resolve_single_dynamic): Extend to support symbol versioning
972 info coming in from a static data structure.
973 (*): Reorder miscellaneous declarations to group data vs functions.
974 (__mf_set_default_options): Simplify.
975 (__mf_usage): Mention threading status of host executable.
976 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
977 decls to match above.
978 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
979 * mf-heuristics.c: Choose between locked/unlocked calls. Add
980 some lock/unlock markers. Remove some unused code.
981 * mf-hooks: Ditto.
982 (pthread_create): New hook function.
983 (__mf_pthread_cleanup, _spawner): New helper functions.
984 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
986 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
988 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
990 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
992 * Makefile.am (HOOKOBJS): Add *time related hooks.
993 * configure.in: Look for pthreads.h header.
994 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
995 * mf-runtime.c: Begin sketching some pthreads support.
996 (__mf_usage): Check for -lpthread presence.
997 (__mf_unregister): Confirm matching unregistration base.
998 (__mf_find_objects_rec): Reduce unnecessary recursion.
999 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
1000 #defines for new hook functions.
1001 * mf-impl.h: Corresponding changes.
1002 * config.h.in, configure, Makefile.in: Regenerated.
1004 2002-04-27 Diego Novillo <dnovillo@redhat.com>
1006 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
1007 modifiers to prevent being optimized away.
1008 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
1009 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1010 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
1011 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1012 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
1013 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
1014 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
1016 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1018 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1019 * configure.in: Look for uintptr_t and -ldl on target.
1020 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1021 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1022 * testsuite/Makefile.in: Regenerated.
1023 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1024 for better C compliance.
1026 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1028 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1029 prevention code.
1030 * mf-runtime.c (__mf_set_default_options): Turn off
1031 check-initialization.
1032 (__mf_describe_object): Shorten description.
1033 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1035 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
1037 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1039 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
1041 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1042 calls specially.
1043 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1044 * mf-impl.h (CALL_BACKUP): New macros.
1045 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1047 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
1049 * Makefile.am (AM_CFLAGS): Remove optimization flags.
1050 (HOOKOBJS): Remove dlopen hook.
1051 (libmudflap_la_LIBADD): Add -ldl.
1052 * mf-hooks.c (dlopen): Remove hook.
1053 * mf-impl.h (__mf_dynamic): Ditto.
1054 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1055 * Makefile.in: Regenerated.
1057 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
1059 * configure.in: Check for target gettimeofday, signal, some headers.
1060 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
1061 out inop multi_threaded field.
1062 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1063 (__mf_set_options): Correct handling of "-help".
1064 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1065 (__mf_check, __mf_register, __mf_unregister): Call it.
1066 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1067 (__mf_report_leaks): Make callable
1068 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
1069 distribution statistics.
1070 (__mf_adapt_cache): Rewrite shift guessing logic based on address
1071 bit distributions.
1072 * config.h.in, configure: Regenerated.
1073 * testsuite/libmudflap.c/fail27-frag.c: New test.
1074 * testsuite/libmudflap.c/pass36-frag.c: New test.
1076 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
1078 * mf-runtime.h.in: Tweak.
1079 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1080 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1081 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1083 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1085 * configure.in: Tweak generation of mf-runtime.h some more. It
1086 needs to work from both config.status and configure.
1087 * configure: Regenerated.
1089 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1091 * Makefile.am: Reorganize hook file building. Add auto dependencies.
1092 * configure.in: Tweak generation of mf-runtime.h.
1093 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1094 * mf-hooks.c (*): Adapt to initialized-heap object type.
1095 * mf-impl.h: Tweak cemetary boundaries.
1096 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1097 type.
1098 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1099 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1100 * testsuite/lib/libmudflap.exp (includes): Include build tree.
1101 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1102 checking.
1103 * testsuite/.../fail{25,26}-frag.c: New tests.
1104 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1105 * Makefile.in, configure: Regenerated.
1107 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1109 * mf-runtime.c (__mf_set_default_options): Turn on initialization
1110 checking by default.
1111 (__mf_insert_new_object): As a temporary hack, assume that new
1112 objects registered on the stack start out initialized.
1113 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1114 heap objects by hand.
1116 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1118 Switch to macro-style hooks for str*/mem*/b* functions.
1119 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1120 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1121 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1122 (__mf_set_default_options): Turn off heur_proc_map.
1123 (*): Adapt to to macro-style hook functions.
1124 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1125 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1126 (__mf_violation): Handle __MF_VIOL_WATCH.
1127 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1128 (__mf_dynamic): Removed mem*/str*/b* functions.
1129 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1130 (WRAPPER2): New macro for macro-style hooks.
1131 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1132 macro-style hooks.
1133 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1134 * mf-heuristics.c: Adapt to macro-style hook functions.
1135 Correct some comments.
1136 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1137 output pattern tests.
1138 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1139 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1141 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1143 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1144 for global array registration.
1145 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1146 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1148 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1150 * Makefile.am: Add gross make bug workarounds. Tweaked
1151 SUBDIRS and AM_CFLAGS.
1152 * Makefile.in: Regenerated.
1154 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1156 Switch to dejagnu.
1157 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1158 * Makefile.am (TESTS): Remove simple automake testing.
1159 * configure, Makefile.in: Regenerated.
1160 (SUBDIRS): Include new testsuite/ directory.
1161 * tests/*: Removed all files; moved bulk under:
1162 * testsuite/*: New subdirectory tree.
1163 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1164 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1165 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1166 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1167 * testsuite/config/default.exp: New file.
1168 * testsuite/Makefile.am, Makefile.in: New files.
1170 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1172 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1173 (TESTS): Add fail22 and pass29 tests.
1174 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1175 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1176 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1177 values. Move __MF_VIOL* here.
1178 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1179 (check_initialization): New field in __mf_opts. Default off.
1180 (read_count,write_count): New fields in __mf_object.
1181 (__mf_check): Implement basic initialization checking.
1182 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1183 (__mf_describe_object): Print new fields.
1184 (__mf_violation): Identify check/read vs. check/write in messages.
1185 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1186 "-check-initialized" mudflap option.
1187 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1188 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1189 Drop __FILE__/__LINE__ hack. Update callers.
1190 (*): Adapt to new mf-runtime.h API.
1191 * Makefile.in: regenerated.
1193 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1195 * configure.in: Build mf-runtime.h a more proper way.
1196 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1197 * mf-runtime.c (verbose_violations): Turn on by default.
1198 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1199 * mf-impl.h: ... and move it here.
1200 * configure: Regenerated.
1202 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1204 * configure.in: Look for C++ compiler.
1205 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1206 fixed type warnings when built with C++.
1207 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1208 * Makefile.am (TESTS): Run them.
1209 (*) Add new rules for building and running C++ tests.
1210 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1211 * mf-runtime.h.in: Protect with extern "C".
1212 * Makefile, configure: Regenerated.
1214 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1216 Portability improvements.
1217 * configure.in: Look for glibc backtrace headers/functions.
1218 * mf-hooks.c: Don't include <execinfo.h> any more.
1219 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1220 via CALL_REAL.
1221 (__mf_backtrace): Provide alternate baby implementation in
1222 absence of glibc.
1223 * test/mf-driver.c: Portability tweaks.
1224 * acinclude.m4: New file, containing top level libtool.m4.
1225 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1227 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1229 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1231 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1233 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1234 options.
1235 (__mf_unregister): Implement stack/heap object wiping.
1236 (__mf_set_options): Renamed from __mf_process_opts.
1237 (__mf_uncache_object): Change arg type, correct callers.
1238 * mf-impl.h: Corresponding changes.
1239 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1240 * mf-runtime.h.in (__mf_set_options): Extend public API.
1241 * test/pass26-frag.c: New test for stack wiping.
1242 * Makefile.am (TESTS): Run it.
1243 * Makefile.in: Regenerated.
1245 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1247 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1248 * mf-runtime.c (__mf_object_t): Add watching_p field.
1249 (__mf_watch_or_not): New function to implement
1250 object watch flagging.
1251 (__mf_watch, __mf_unwatch): New wrappers for above.
1252 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1253 (__mf_count_violation): Enlarge array.
1254 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1255 unlink object. Clear cache properly.
1256 (__mf_unregister): Unlink object explicitly before uncaching.
1257 * test/fail21-frag.c, pass25-frag.c: New tests.
1258 * Makefile.in, aclocal.m4: Regenerated.
1260 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1262 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1263 * Makefile.am (TESTS): Add it.
1264 * test/pass-stratcliff.c: Add decls of stpcpy.
1265 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1266 build tree from config.h and new file mf-runtime.h.in.
1267 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1268 * Makefile.in, configure, config.h.in: Regenerated.
1269 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1270 * mf-runtime.c (options, __mf_set_default_options): Support new
1271 default "abbreviate" option.
1272 (__mf_object.description_epoch): New field.
1273 (__mf_describe_object): Conditionally abbreviate objects already
1274 displayed in current epoch. Accept NULL input to increment epoch.
1275 (__mf_fini, __mf_ini): Reset description epoch.
1276 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1277 that NULL pointer slot in lookup cache is invalidated. Register a
1278 NOACCESS region around NULL.
1279 * mf-impl.h: Corresponding changes.
1281 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1283 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1284 * Makefile.am: Run them. Install mf-runtime.h.
1285 * Makefile.in: Regenerated.
1286 * mf-hooks.c: Add some markers for more missing functions.
1287 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1288 statistic to tune tune cache size (mask).
1290 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1292 * test/pass23-frag.c: New test for bit_field_ref expressions.
1293 * Makefile.am, Makefile.in: Add new test.
1294 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1295 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1296 * mf-runtime.c (__mf_init): Register errno global.
1297 (__mf_find_object): Removed function.
1298 (__mf_check): Rewrite logic to support accesses across some
1299 contiguous but distinctly registered objects.
1300 (__mf_remove_old_object): Tolerate cache entries that span
1301 contiguous objects.
1303 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1305 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1306 * Makefile.am, Makefile.in: Run new tests.
1307 * mf-hooks.c (alloca): Correct stack direction logic.
1309 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1311 * mf-impl.h (adapt_cache): New option.
1312 * mf-runtime.c (__mf_set_default_options): Set its default value.
1313 Tweak the tree_aging parameter down.
1314 (__mf_check): Maintain separate counter for cache-adaptation.
1315 (__mf_tree_analyze): New function to collect object tree stats.
1316 (__mf_adapt_cache): New function to automate cache parameters.
1318 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1320 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1321 hypothetical #if-0'd argv/envp region registration.
1322 * mf-runtime.c (__mf_init): Add kludged form of above.
1323 (*) Add "heur_argv_environ" flag, default on, to govern this.
1324 * mf-impl.h: Corresponding changes.
1326 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1328 * test/fail18-frag.c: New test file for NOACCESS regions.
1329 * Makefile.am (TESTS): Add new test.
1330 * Makefile.in: Regenerated.
1332 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1333 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1334 (optimize_object_tree): Remove unused mudflap_option.
1335 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1336 support throughout. Use .._MAX_CEM for cemetary upper bound.
1337 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1338 regions.
1339 (__mf_object): Add new liveness field for use by tree aging.
1340 (__mf_check): Trigger tree aging when needed.
1341 (__mf_age_tree): New function to decay liveness field.
1342 (__mf_find_objects_rec): Use liveness field to rotate tree.
1343 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1344 (__mf_unregister): Ditto.
1345 (__mf_register): Tweak duplicate-static message.
1346 (__mf_violation: Tweak nearby-object counter printing.
1348 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1350 * test/pass20-frag.c: New test file.
1351 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1352 * Makefile.in: Regenerated.
1354 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1355 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1356 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1357 entries to avoid repeat registration.
1358 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1359 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1361 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1363 * Makefile.am: Create test sources with #include, not cat>>.
1364 * Makefile.in: Regenerated.
1365 * test/buildtest.sh: Removed.
1366 * test/driver.c (abort_handler, main): Be quiet.
1368 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1370 * test/pass18-frag.c, pass19-frag.c: New tests.
1371 * Makefile.am (check): Run them. Rebuild test programs each time.
1372 * Makefile.in: Regenerated.
1374 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1376 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1377 overlapping object search.
1378 (__mf_violation): Likewise for nearby objects.
1379 Improve nearby-object listing.
1381 cleanup:
1382 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1383 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1385 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1387 alloca support:
1388 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1389 (HOOKOBJS): Add alloca-hook.o.
1390 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1391 style.
1392 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1393 (__mf_backtrace): Reimplement without using alloca.
1394 * Makefile.in: Regenerated.
1396 cleanup:
1397 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1398 Correct signedness bugs in length-tracking variables.
1399 * mf-impl.h: Make options unsigned.
1400 (CALL_WRAP): New macro to parallel CALL_REAL().
1401 (DECLARE): Remove erroneous ";" at end.
1402 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1403 formatting specs with %08lx. Correct several compiler warnings.
1405 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1407 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1409 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1411 libmudflap hook breakup:
1412 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1413 for libgcc_s.
1414 (TESTS): Make dependent on libmudflap.
1415 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1416 compiled from segments of mf-hooks.c.
1417 * mf-hooks.c: Corresponding changes: wrap each function in
1418 #ifdef/#endif.
1419 * Makefile.in: Regenerated.
1421 Heuristics reorganization:
1422 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1423 Remove these functions. Update callers.
1424 (__mf_heuristic_check): Incorporate all the various heuristics.
1425 Encode cacheability/retry judgement into trinary return value.
1426 Separate start-end logic into a separate fallback heuristic. Only
1427 register relevant /proc/self/map segments.
1428 * mf-impl.h: Corresponding changes.
1429 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1430 (__mf_init): Don't call __mf_init_heuristics.
1432 Tracing cleanup:
1433 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1434 "-verbose-trace" to emit all tracing messages other than those of
1435 basic public api. Eliminate some duplicate/excessive messages.
1436 * mf-runtime.h: Corresponding changes.
1438 2002-08-27 Graydon Hoare <graydon@redhat.com>
1440 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1441 and __real when compiled with -DPIC.
1442 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1443 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1444 * Makefile.in: Regenerate.
1446 2002-08-26 Graydon Hoare <graydon@redhat.com>
1448 * mf-impl.h: New file, private implementation header.
1449 * mf-runtime.h: Reorganize a bit.
1450 (CLAMPSZ): Fix arithmetic.
1451 (__MF_CACHE_MISS_P): Fix arithmetic.
1452 * mf-runtime.c: Reorganize a bit.
1453 (__mf_dynamic): New structure.
1454 (resolve_single_dynamic): New function.
1455 (__mf_resolve_dynamics): New function.
1456 (__mf_init): Initialize dynamic wrappers.
1457 * mf-hooks.c: Macro-ize __real calls.
1458 Clamp various bits of arithmetic.
1459 Add explicit __mf_check call contexts.
1460 * Makefile.am: Add dependencies on mf-impl.h
1461 * Makefile.in: Regenerate.
1462 * configure.in: Comment out shared override.
1463 * configure: Regenerate.
1465 2002-08-22 Graydon Hoare <graydon@redhat.com>
1467 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1468 (__mf_check): Re-inialize and check heuristics before violation.
1469 (__mf_register): Permit updating pure-guess regions.
1470 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1471 (__wrap_dlopen): New wrapper function.
1472 (__wrap_mmap): New wrapper function.
1473 (__wrap_munmap): New wrapper function.
1474 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1475 which are not stack addresses.
1476 (is_stack_address): New function.
1477 (__mf_init_heuristics): Save and restore state, always initialize with
1478 "starting" state.
1480 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1482 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1483 error. Pass location string.
1484 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1485 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1486 (__mf_process_opts): Apply some sanity checking for lc-mask.
1487 (__mf_check, __mf_violation): Take new location-string argument.
1488 Update callers to pass NULL if necessary.
1489 (__mf_backtrace): New smart backtracer function. Calls replace
1490 several ad-hoc blocks elsewhere.
1491 (__mf_describe_object): Remove bad reentrancy test. Improve
1492 tracing message.
1493 * mf-runtime.h: Corresponding changes. Public/private markup.
1494 (__MF_CACHE_MISS_P): New macro.
1496 2002-08-20 Graydon Hoare <graydon@redhat.com>
1498 * mf-runtime.h: New option: stack_bound (heuristic).
1499 Move some macros out of implementation files.
1500 * mf-runtime.c: New option string: -stack-bound.
1501 Unify recursion protection with hooks.
1502 Add more logging.
1503 (__mf_check): Call __mf_heuristic_check.
1504 (__mf_process_opts): Fix "no-" processing.
1505 * mf-heuristics.c (__mf_heuristic_check): New function.
1506 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1508 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1510 Option parsing improvements, region splitting bug fixes:
1511 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1512 * mf-runtime.h (heur_proc_map): New libmudflap option.
1513 * mf-runtime.c (__mf_set_default_options): Set it.
1514 (__mf_usage): Print default values/status.
1515 (__mf_process_opts): Support general "no-" option string prefix.
1516 (__mf_init): Print __mf_usage on unknown-option error.
1517 (__mf_register): Print trace message up front.
1518 Correct region splitting logic for case where a subregion disappears.
1519 Correct memory leak.
1520 (__mf_violation): Make even basic message conditional on option.
1522 Build cleanup:
1523 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1524 (clean-local): New target.
1525 (test/*x rules): Add -g CFLAGS.
1526 (CFLAGS): Add -freorder-blocks.
1527 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1528 * Makefile.in: Regenerated.
1529 * Makefile, mf-config.h: Removed files.
1531 2002-08-16 Graydon Hoare <graydon@redhat.com>
1533 * mf-runtime.c (__mf_insert_new_object): Factor out of
1534 __mf_register.
1535 (__mf_remove_old_object): Factor out of __mf_unregister.
1536 (__mf_register): Handle guessed regions, splitting
1537 guesses when new registrations arrive.
1538 (__mf_unregister): Do not unregister guesses.
1539 * mf-runtime.h: Move convenience macros around,
1540 declare new option fields. Add __MF_TYPE_GUESS.
1541 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1542 (__wrap_free): Call __real_free for deferred frees.
1543 * Makefile.am: Add more tests, fix dependency.
1544 * Makefile.in: Regenerate.
1545 * test/pass[13..17]-frag.c: New testcases.
1546 * test/fail[13..17]-frag.c: New testcases.
1548 2002-08-15 Graydon Hoare <graydon@redhat.com>
1550 * mf-heuristics.c: New file.
1551 * mf-runtime.c (options): Add -trace-calls option.
1552 (__mf_init): Call __mf_init_heuristics.
1554 2002-08-14 Graydon Hoare <graydon@redhat.com>
1556 * Makefile.am (TESTS): Add testsuite support.
1557 * Makefile.in: Regenerate.
1558 * test/mf-driver.c: New file.
1559 * test/buildtest.sh: New file.
1560 * test/passNN-frag.c: New testcases.
1561 * test/failNN-frag.c: New testcases.
1563 2002-08-14 Graydon Hoare <graydon@redhat.com>
1565 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1566 verifying non-size-limited string extents.
1568 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1570 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1571 instead of plain str[n]len for internal checks.
1572 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1574 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1576 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1578 2002-08-13 Graydon Hoare <graydon@redhat.com>
1580 * mf-runtime.c: Rework configuration to operate on
1581 environment variable options rather than #defines
1582 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1583 (__mf_init): Set static __mf_active_p flag on startup,
1584 to inhibit mudflap wrap-based checking during crt0.s.
1585 * mf-runtime.h: Declare options structure.
1586 * mf-hooks.c: New wrappings for mem*, b*, str*
1587 libc functions (temporarily #if 0-ed out).
1589 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1591 * Makefile.am, configure.in: New files.
1592 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1593 * stamp-h.in, aclocal.m4: Ditto.
1595 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1597 * Makefile: New file.
1598 * mf-config.h: New file: runtime configuration.
1599 * mf-hooks.c: New file: interposed libc functions.
1600 * mf-runtime.c: New file: bulk of runtime.
1601 * mf-runtime.h: New file: public functions.