| blob | b331aab4a7e065147c9ebfa25fc7f08e78856768 |
1 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
3 * Makefile.am: Add dummy install-pdf target.
4 * Makefile.in: Regenerate
6 2007-02-07 Jakub Jelinek <jakub@redhat.com>
8 PR libgomp/28468
9 * configure: Regenerate.
11 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
13 * configure: Regenerate.
15 2006-11-13 Daniel Jacobowitz <dan@codesourcery.com>
17 * configure: Regenerated.
19 2006-11-10 Frank Ch. Eigler <fche@redhat.com>
21 PR libmudflap/28578
22 * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
23 static but not function scope static.
24 (free): Skip deallocation attempts for objects placed into
25 bootstrap buffers.
26 * testsuite/libmudflap.cth/pass59-frag.c: New test.
28 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
30 From Herman ten Brugge <hermantenbrugge@home.nl>:
31 * mf-runtime.c (__mf_uncache_object): Optimize the code so that
32 small and large objects are handled a lot faster.
34 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
36 * configure.ac (__libc_freeres): Look for it.
37 * mf-impl.h (call_libc_freeres): New configuration flag.
38 * mf-runtime.c (__mf_set_default_options): Set it by default.
39 (__mfu_report): Call it if needed.
40 (__mfu_unregister): Remove "unaccessed registered object" warning.
41 * configure, config.h.in: Regenerated.
43 2006-09-18 Tom Tromey <tromey@redhat.com>
45 * configure: Rebuilt.
47 2006-06-21 Frank Ch. Eigler <fche@redhat.com>
49 PR 21274
50 mf-runtime.h installation based on ssp patch for PR 26473 from
51 Mark Mitchell <mark@codesourcery.com>.
52 * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
53 * Makefile.am (target_noncanonical): Define.
54 (libsubincludedir): New variable.
55 (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
56 (include_HEADERS): Remove.
57 * configure, aclocal.m4, config.h.in: Regenerated.
58 * Makefile.in, testsuite/Makefile.in: Likewise.
59 * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
60 and _THREAD_SAFE redefinition values.
62 2006-05-23 Carlos O'Donell <carlos@codesourcery.com>
64 * Makefile.am: Add install-html target. Add install-html to .PHONY
65 * Makefile.in: Regenerate.
67 2006-04-19 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
69 PR mudflap/26789
70 * testsuite/libmudflap.c++/error1-frag.cxx: New test.
72 PR mudflap/26790
73 * testsuite/libmudflap.c++/error2-frag.cxx: New test.
75 2006-04-10 Matthias Klose <doko@debian.org>
77 * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
78 directory names containing underscores.
80 2005-11-22 Janis Johnson <janis187@us.ibm.com>
82 * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
83 MUDFLAP_FLAGS if static library not supported.
84 * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
85 * testsuite/libmudflap.c/externs.exp: Ditto.
86 * testsuite/libmudflap.c++/ctors.exp: Ditto.
87 * testsuite/libmudflap.c++/c++frags.exp: Ditto.
88 * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
90 2005-10-04 James E Wilson <wilson@specifix.com>
92 * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
93 $name as array of characters with unknown bound. Also store into the
94 array.
95 * configure: Regenerate.
97 2005-09-30 James E. Wilson <wilson@specifix.com>
99 * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
100 AC_CHECK_HEADER.
101 (target_thread_file): New. Set from sed'ed gcc output.
102 (posix_threads): New. Set from target_thread_file. Use instead of
103 ac_have_pthread_h.
104 (pthread_create_version): Move initialization before code using it.
105 * configure: Regenerate.
107 * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
108 bounds.
110 2005-09-29 James E. Wilson <wilson@specifix.com>
112 * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
113 with HAVE_MMAP ifdef.
115 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
117 PR 23084.
118 * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
120 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
122 * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
124 2005-09-23 Tom Tromey <tromey@redhat.com>
126 * aclocal.m4, configure: Rebuilt.
127 * configure.ac: Use GCC_CHECK_TLS.
128 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
129 to ../config.
131 2005-08-22 Jim Wilson <wilson@specifix.com>
133 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
134 __FreeBSD__ is defined.
136 2005-08-17 Jim Wilson <wilson@specifix.com>
138 * mf-hooks1.c (malloc, calloc, realloc, free,
139 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
140 the real routines, and END_MALLOC_PROTECT afterwards.
141 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
142 (BEGIN_PROTECT): Handle in_malloc state.
143 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
144 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
146 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
148 * All files: Update FSF address.
150 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
152 * mf-hooks3.c (main_seen_p): Remove.
153 (__mf_get_state): Remove attempt to recognize the main thread.
155 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
157 * configure.ac: Test for the name of the symbol used for the entry
158 point; define ENTRY_POINT to the result.
159 * configure: Regenerate.
160 * config.h.in: Regenerate.
161 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
163 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
165 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
166 (__mf_init): Set thread state active.
167 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
168 state active.
169 (pthread_create wrapper): Always use thread spawner.
171 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
172 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
174 2005-07-16 Richard Henderson <rth@redhat.com>
176 * acinclude.m4: New file.
177 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
178 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
179 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
180 (__mf_0fn_calloc): ... here.
181 * mf-hooks3.c (struct pthread_info): Remove.
182 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
183 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
184 (struct mf_thread_data): New.
185 (mf_thread_data, mf_thread_data_lock): New.
186 (__mf_allocate_blank_threadinfo): Remove.
187 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
188 not available.
189 (__mf_state_perthread): Remove.
190 (__mf_get_state, __mf_set_state): New.
191 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
192 Update mf_thread_data killing procedure.
193 (__mf_pthread_spawner): Similarly.
194 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
195 code to allocate thread stack space.
196 (__mf_0fn_pthread_join, pthread_join): Remove.
197 (__mf_0fn_pthread_exit, pthread_exit): Remove.
198 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
199 (__mf_state_1): Rename from __mf_state; use TLS when available.
200 (__mf_get_state, __mf_set_state): New. Update all users.
201 * mf-runtime.c (begin_recursion_protect1): New.
202 (BEGIN_RECURSION_PROTECT): Use it.
203 (__mf_state_1): Rename from __mf_state; use TLS when available.
204 (threads_active_p): Remove.
205 (__mf_usage): Compute it directly.
207 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
209 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
211 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
213 Fix for uncaching bug reported by Herman ten Brugge.
214 * mf-runtime.c (__mf_uncache_object): Search whole cache.
215 * testsuite/libmudflap.c/fail40-frag.c: New test.
217 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
219 PR libmudflap/21724
220 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
221 * Makefile.in: Amend.
223 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
225 PR mudflap/21023
226 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
227 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
229 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
231 PR libmudflap/21094
232 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
234 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
236 PR mudflap/22064
237 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
238 unsigned vars with #defines instead of enums.
240 2005-05-09 Mike Stump <mrs@apple.com>
242 * configure: Regenerate.
244 2005-04-12 Mike Stump <mrs@apple.com>
246 * configure: Regenerate.
248 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
250 PR mudflap/19266
251 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
252 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
254 2005-04-04 Alan Modra <amodra@bigpond.net.au>
256 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
258 2005-03-31 Mike Stump <mrs@apple.com>
260 * mf-runtime.h: Add libmudflap copyright clause.
262 2005-03-21 Mike Stump <mrs@apple.com>
264 * mf-heuristics.c: Fix whitespace at end of line.
265 * mf-hooks1.c: Likewise.
266 * mf-hooks2.c: Likewise.
267 * mf-hooks3.c: Likewise.
268 * mf-impl.h: Likewise.
269 * mf-runtime.c: Likewise.
270 * mf-runtime.h: Likewise.
272 2005-03-21 Zack Weinberg <zack@codesourcery.com>
274 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
275 In all substitutions, expand gcc_version in Makefile.
276 * aclocal.m4, configure: Regenerate.
277 * Makefile.am: Set gcc_version.
278 * Makefile.in, testsuite/Makefile.in: Regenerate.
280 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
282 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
283 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
285 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
287 PR mudflap/19319
288 * testsuite/libmudflap.c++/pass55-frag.c: New test.
290 2005-01-05 Richard Henderson <rth@redhat.com>
292 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
294 2005-01-02 Greg McGary <greg@mcgary.org>
296 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
297 * mf-runtime.h: New file, replaces mf-runtime.h.in.
298 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
299 * Makefile.in: Ditto.
300 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
301 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
302 * testsuite/libmudflap.c/fail36-frag.c: New test.
303 * testsuite/libmudflap.c/fail37-frag.c: New test.
304 * testsuite/libmudflap.c/fail38-frag.c: New test.
306 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
308 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
309 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
311 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
313 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
314 * aclocal.m4: Include ../config/gcc-version.m4.
315 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
317 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
319 * Makefile.am: Define ACLOCAL_AMFLAGS.
320 * acinclude.m4: Remove.
321 * stamp-h.in: Remove superfluous stamp file.
322 * aclocal.m4, configure, Makefile.in: Regenerate.
323 * testsuite/Makefile.in: Likewise.
325 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
327 * Makefile.am: Revert previous.
328 * acinclude.m4: Restore.
329 * aclocal.m4, configure, Makefile.in: Regenerate.
330 * testsuite/Makefile.in: Likewise.
332 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
334 * Makefile.am: Define ACLOCAL_AMFLAGS.
335 * acinclude.m4: Remove.
336 * aclocal.m4, configure, Makefile.in: Regenerate.
337 * testsuite/Makefile.in: Likewise.
339 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
341 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
343 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
345 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
346 * testsuite/Makefile.in: Likewise.
348 2004-11-01 Andreas Schwab <schwab@suse.de>
350 * configure.ac: (target_alias): Default to $host_alias, not
351 $target.
352 * configure: Regenerated.
354 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
356 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
357 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
358 message.
360 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
362 PR other/18138
363 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
365 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
367 * configure.ac: Check for more headers, functions.
368 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
369 tracking overridden FILE buffers.
370 (fopen, setvbuf): New/revised hook functions for buffer overriding.
371 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
372 (fflush): Accept given NULL stream (means "all streams").
373 * mf-runtime.h.in:
374 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
375 HEAP/GUESS objects.
376 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
377 (__mf_adapt_cache): Use them all.
378 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
379 * testsuite/libmudflap.c++/ctors.exp: Ditto.
380 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
381 * configure, config.h.in: Regenerated.
383 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
385 * configure.ac: Checking for sys/socket.h once is enough.
386 * configure: Regenerated.
388 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
390 * configure.ac: Look for more headers & functions.
391 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
392 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
393 * mf-runtime.c (options): Clean up integer signedness warnings.
394 (main): Add a declaration to fix a warning.
395 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
396 * configure, config.h.in: Regenerated.
398 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
400 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
401 New tests for proper base/limit checking for aggregates.
403 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
405 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
407 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
409 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
410 * mf-hooks2.c (strerror): Unregister previous string returned by
411 previous strerror.
412 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
413 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
414 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
415 * mf-runtime.c (__mf_describe_object): Clarify object life status.
416 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
417 New tests.
418 * configure, config.h.in: Regenerated.
420 2004-08-03 Dale Johannesen <dalej@apple.com>
422 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
424 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
426 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
427 simplified contents in all former callers.
429 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
431 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
432 the statically linked case.
434 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
436 * splay-tree.[ch]: Remove. Merge contents into ...
437 * mf-runtime.c: ... here, renaming symbols and making all functions
438 static. Remove unused min/max functions.
439 * Makefile.am: Forget about splay-tree.[ch].
440 * Makefile.in, testsuite/Makefile.in: Regenerated.
442 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
444 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
445 (__mfu_usage): Include (C) 2004.
446 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
447 here. Include a comment explaining why.
449 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
451 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
452 * mf-runtime.c (options): Give them a name.
453 (__mf_set_default_options): Set them.
454 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
455 (__mf_violation): Warning cleanup.
456 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
457 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
459 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
461 g++/15861
462 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
463 repeated invocation.
465 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
467 Test case for g++/15861
468 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
469 * testsuite/libmudflap.c++/ctors.exp: Driver.
470 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
471 Look only for *frag* test cases.
473 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
475 ANSI C conversion, libmudflap specialization, recursion limiting.
476 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
477 argument and indirection function pointers, update callers.
478 (splay_tree_s): Add statistics and recursion control fields
479 num_keys, max_depth, depth, rebalance_p.
480 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
481 Back out of search if it exceeds limit.
482 (splay_tree_splay): Manage recursion limiting with rebalancing as
483 needed.
484 (splay_tree_new): More initialization.
485 (splay_tree_rebalance): New function.
486 (splay_tree_foreach): Rewrite using nonrecursive logic.
487 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
488 Remove. Point indirect calls to mf-runtime.c's routines.
489 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
490 functions.
491 (splay_tree_delete, splay_tree_delete_helper): Ditto.
492 * testsuite/heap-scalestress.c: New test based on one from
493 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
495 2004-07-05 Matthias Klose <doko@debian.org>
497 * libtool-version: New.
498 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
499 Use -version-info for soname.
500 * Makefile.in: Regenerate.
501 * configure.ac: Remove libtool_VERSION macro
502 * configure: Regenerate
504 2004-07-05 Zack Weinberg <zack@codesourcery.com>
506 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
507 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
508 #ifndef _MUDFLAP.
510 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
512 Splay tree implementation fork.
513 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
514 Use hard-coded comparison function for uintptr_t. Remove key/value
515 deallocation logic. Cache last splayed key for consecutive lookups.
516 * Makefile.am, Makefile.in: Use them, don't link to them.
517 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
518 (__mf_find_objects2): Flip successor/predecessor search sequence.
519 * ansidecl.h, libiberty.h: Removed dummy files.
521 2004-06-29 Nick Clifton <nickc@redhat.com>
523 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
524 * configure: Regenerate.
525 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
526 HAVE_DIRENT_H.
527 Remove spurious inclusion of <strings.h>.
529 2004-06-29 Nick Clifton <nickc@redhat.com>
531 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
532 function actually exists.
534 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
536 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
537 * config.h.in: Regenerated.
539 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
541 Adopt splay trees for object database.
542 * Makefile.am: Copy splay-tree.* from libiberty.
543 * Makefile.in, testsuite/Makefile.in: Regenerated.
544 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
545 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
546 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
547 * mf-runtime.c: Rewrite code dealing with object database to use
548 libiberty splay trees. Remove tree liveness aging option.
549 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
551 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
553 * configure.ac: New name of configure.in. Update
554 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
555 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
556 Autoconf 2.5x and Automake 1.7 or later.
557 * configure.in: Remove.
558 * configure: Regenerate.
560 * Makefile.am: Remove useless multilib rules.
561 * Makefile.in: Regenerate.
563 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
565 * .cvsignore: New file.
567 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
569 PR libmudflap/13505
570 * mf-hooks2.c (semctl): Add cygwin porting hack.
572 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
574 ctype support.
575 * configure.in: Look for ctype header and glibc implementation.
576 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
577 array hooks for glibc 2.3.
578 * mf-runtime.h.in: Wrap them.
579 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
580 implementations.
581 * testsuite/libmudflap.c/pass47-frag.c: New test.
582 * configure, config.h.in: Regenerated.
584 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
586 Portability improvements, e.g., libmudflap/15293.
587 * configure.in: Look for glibc extension functions. Look for
588 support of -f{function,data}-sections. Look for more headers.
589 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
590 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
591 mf-hooks* into usual single object per source.
592 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
593 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
594 if system doesn't provide one.
595 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
596 (pthread_create): Use it to properly GC dead thread stacks.
597 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
598 * testsuite/Makefile.am: Stop generating site.exp.
599 * testsuite/mfconfig.exp.in: New file.
600 * testsuite/config/default.exp: Load new mfconfig.exp.
601 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
602 (prune_gcc_output): Add glibc static linking warnings.
603 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
604 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
605 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
606 Regenerated with autoconf 2.57 and automake 1.7.
608 2004-06-04 Per Bothner <per@bothner.com>
610 * configure.in (LIBMUDFLAPTH): Fix thinko.
612 * configure.in: Check for more headers.
613 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
615 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
616 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
618 2004-06-01 Andreas Jaeger <aj@suse.de>
620 * configure.in: Handle multilibs, support
621 --enable-version-specific-runtime-libs.
622 * Makefile.am (lib_LTLIBRARIES): Rename to ...
623 (toolexeclib_LTLIBRARIES): this for multilib support.
624 * Makefile.in: Regenerated.
625 * configure: Regenerated.
626 * aclocal.m4: Regenerated.
627 * config.h.in: Regenerated.
628 * testsuite/Makefile.in: Regenerated.
630 2004-06-01 Andreas Jaeger <aj@suse.de>
632 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
633 multilibs, using multilib directory instead of hardcoded path.
634 Set LD_RUN_PATH.
636 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
638 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
639 * Makefile.in: Ditto.
641 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
643 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
644 * aclocal.m4, configure: Rebuilt.
646 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
648 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
649 import some build settings from libstdc++-v3 testsuite_flags.
650 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
651 changes to pass test language.
653 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
654 quicker mode-nop handling.
656 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
658 * mf-impl.h: Added libgcc license header.
660 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
662 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
663 Added libgcc license header.
664 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
665 (pthread_create): Simplify stack allocation syntax.
667 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
669 * mf-hooks2.c: Support FreeBSD.
670 (WRAP_gets): Avoid gets().
671 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
672 test unimplemented mem/str calls on FreeBSD.
673 * testsuite/libmudflap.c/pass21-frag.c: Do not include
674 <alloca.h> on FreeBSD.
676 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
678 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
679 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
680 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
681 flags for static linking permutation.
682 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
683 some pthreads code that croaks on linux glibc tls.
685 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
687 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
689 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
691 * testsuite/libmudflap.c/pass44-frag.c: New test.
693 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
695 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
697 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
699 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
701 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
703 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
705 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
707 PR libmudflap/12670
708 * configure.in: Add check for see if
709 socklen_t typedef is in sys/socket.h.
710 * mf-hooks1.c: Add define if socklen_t
711 is not typedef.
712 * mf-hooks2.c: Likewise.
713 * mf-hooks3.c: Likewise.
714 * config.h.in: Regen.
715 * configure: Regen.
717 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
719 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
720 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
721 optimizations.
722 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
723 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
724 (unoptimized) allocation of stack space.
726 2003-12-07 Richard Henderson <rth@redhat.com>
728 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
729 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
731 2003-12-06 Andrew Pinski <apinski@apple.com>
733 partial PR libmudflap/12670
734 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
735 * mf-hooks2.c: Likewise.
736 * mf-hooks3.c: Likewise.
738 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
740 libstdc++/11696
741 * mf-runtime.h.in: Switch to #pragma redefine_extname for
742 symbols interposed at compile time.
743 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
745 libmudflap/12939
746 * mf-hooks2.c (semctl): Tolerate FreeBSD.
748 * configure.in: Reorganize check for <pthread.h>.
749 * configure: Regenerated.
751 2003-11-04 David Edelsohn <edelsohn@gnu.org>
753 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
754 (_LARGE_FILE_API): Define for AIX.
755 * mf-hooks[123]: Same.
756 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
758 2003-10-21 David Edelsohn <edelsohn@gnu.org>
760 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
762 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
764 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
766 * configure.in: Update check for union semun.
768 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
770 PR other/11673
771 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
773 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
775 PR other/11673
776 * configure.in: Add checks for 64-bit LFS functions, struct semun
777 definition, for BSD compatibility.
778 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
779 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
780 * mf-hooks3.c: Ditto.
781 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
782 mmap flag.
783 * configure, config.h.in: Regenerated.
785 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
787 Multithreading fixes:
788 * mf-runtime.c (__mf_object): Store allocating/deallocating
789 thread id.
790 (options): Support new "-thread-stack" option.
791 Rename "-heur-argv-environ" option to "-heur-stdlib".
792 Disable "-lc-mask" and "-lc-shift" options.
793 (__mf_dynamic): Add function pointers for pthread_join/_exit.
794 (__assert_fail): New self-contained function for glibc.
795 * mf-hooks3.c: Essentially rewritten, particularly related to
796 use of __mf_pthread_info array.
797 (pthread_join, _exit): New hook functions.
798 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
799 * testsuite/libmudflap.cth/pass40-frag.c: New test.
801 Warning cleanups:
802 * mf-heuristics.c: Add type casts for tracing, sub calls.
803 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
804 Update all callers to declare explicit result holder.
805 (END_PROTECT): Removed.
806 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
808 2003-07-15 Diego Novillo <dnovillo@redhat.com>
810 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
811 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
812 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
814 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
816 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
817 * mf-hooks: Removed.
818 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
819 Move these macros from old mf-hooks.c here.
820 * Makefile.am: Adapt to split-up hook sources for faster builds.
821 * Makefile.in: Regenerated.
823 * mf-heuristics.c: Remove #if-0 block.
825 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
826 (__mf_starting_p): New state only for use while dlsym bootstrapping.
827 (CALL_REAL, __mf_init): Corresponding changes.
828 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
829 all callers to remove redundant "mf:" prefix.
830 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
831 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
832 (__mf_pthread_info): Become a hash table.
834 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
835 "dg-repetitions" directives to control test case execution.
836 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
837 options.
838 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
840 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
842 * mf-hooks.c (alloca): Separate into stub.
843 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
844 malloc/free for alloca blocks.
845 (pthread_create): Tolerate failing pthread_attr_get* calls.
846 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
847 * mf-impl.h (CALL_WRAP): Remove macro.
848 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
849 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
850 padding for ia64 BIT_FIELD_REF constructs.
852 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
854 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
855 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
856 libmudflap object type.
857 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
858 crashes on unregistering STATIC objects.
860 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
862 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
863 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
864 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
865 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
866 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
867 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
868 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
869 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
870 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
871 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
872 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
873 (accept, bind, connect, gethostname, sethostname): New hooks.
874 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
875 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
876 (semop, semctl, shmctl, shmat, shmdt): New hooks.
877 * mf-runtime.h.in: Corresponding changes.
878 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
879 (opts) Rename heur_argv_environ to heur_std_data.
880 (__mf_wrap_main): Use STATIC type for argv/environ strings.
881 * Makefile.am: Corresponding changes.
882 * Makefile.in: Regenerated.
884 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
886 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
887 heuristic for threaded case, and for non-x86-linux targets.
888 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
889 for use during pre-main() program startup.
890 (__mf_0fn_*): Make these functions non-static.
891 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
892 functions.
893 * mf-runtime.c (__mf_state): Set initial state to "starting".
894 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
895 (__wrap_main): New function to register argv[] and environ[] strings.
896 (__mf_ini): Call it.
897 (*): In all trace functions, use "%p" as formatter for uintptr_t.
899 * testsuite/libmudflap.c/pass38-frag.c: New test case.
900 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
902 * acinclude.m4: Add comments with aoliva's concerns about x86_64
903 pass_all.
904 * aclocal.m4, configure: Regenerated.
906 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
908 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
909 * aclocal.m4, configure: Regenerated.
911 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
913 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
914 for x86_64 target. Disable caching for this value.
915 * aclocal.m4, configure: Regenerated.
917 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
919 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
920 is about to become deprecated, and its present handling bugs are
921 unworthy of fixing.
923 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
925 * testsuite/libmudflap.c/pass38-frag.c: New test for
926 -fwritable-strings.
928 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
930 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
931 __mf_report, asserting reentrant calling context.
933 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
935 * mf-hooks.c (realloc): Correct reentrancy logic.
936 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
938 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
940 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
941 PTHREAD_THREADS_MAX. Update users.
942 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
943 for active options.
944 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
945 with libmudflapth presence indicator.
946 * testsuite/Makefile.in: Regenerated.
948 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
950 * Makefile.am (AM_CFLAGS): Remove "-ansi".
951 * configure.in: Remove silly no-pthreads => no-shared logic.
952 * Makefile.in, configure: Regenerated.
953 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
954 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
955 code. Count reentrancy events.
956 (all hook functions): Don't directly manipulate __mf_state variable.
957 Add TRACE calls to hook functions without them.
958 * mf-impl.h (LOCKTH): Try to count lock contention events.
959 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
960 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
961 Reorganize reentrancy code.
962 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
963 identify reentrancy with mutex holding times.
964 (internal __mfu_ entry points): Remove internal reentrancy code.
965 (__mf_init): Use ordinary locked calls.
966 (__mfu_report): Print the two new counts.
967 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
968 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
969 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
970 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
971 option defaults.
973 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
975 * configure.in: Add pthread support, plus glibc and porting hacks.
976 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
977 from objects built into ./pth/.
978 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
979 functions for internal entry points. Update callers to pick
980 locked vs. unlocked variants.
981 (__mf_resolve_single_dynamic): Extend to support symbol versioning
982 info coming in from a static data structure.
983 (*): Reorder miscellaneous declarations to group data vs functions.
984 (__mf_set_default_options): Simplify.
985 (__mf_usage): Mention threading status of host executable.
986 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
987 decls to match above.
988 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
989 * mf-heuristics.c: Choose between locked/unlocked calls. Add
990 some lock/unlock markers. Remove some unused code.
991 * mf-hooks: Ditto.
992 (pthread_create): New hook function.
993 (__mf_pthread_cleanup, _spawner): New helper functions.
994 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
996 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
998 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
1000 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
1002 * Makefile.am (HOOKOBJS): Add *time related hooks.
1003 * configure.in: Look for pthreads.h header.
1004 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
1005 * mf-runtime.c: Begin sketching some pthreads support.
1006 (__mf_usage): Check for -lpthread presence.
1007 (__mf_unregister): Confirm matching unregistration base.
1008 (__mf_find_objects_rec): Reduce unnecessary recursion.
1009 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
1010 #defines for new hook functions.
1011 * mf-impl.h: Corresponding changes.
1012 * config.h.in, configure, Makefile.in: Regenerated.
1014 2002-04-27 Diego Novillo <dnovillo@redhat.com>
1016 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
1017 modifiers to prevent being optimized away.
1018 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
1019 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1020 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
1021 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1022 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
1023 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
1024 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
1026 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1028 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1029 * configure.in: Look for uintptr_t and -ldl on target.
1030 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1031 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1032 * testsuite/Makefile.in: Regenerated.
1033 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1034 for better C compliance.
1036 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1038 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1039 prevention code.
1040 * mf-runtime.c (__mf_set_default_options): Turn off
1041 check-initialization.
1042 (__mf_describe_object): Shorten description.
1043 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1045 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
1047 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1049 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
1051 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1052 calls specially.
1053 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1054 * mf-impl.h (CALL_BACKUP): New macros.
1055 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1057 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
1059 * Makefile.am (AM_CFLAGS): Remove optimization flags.
1060 (HOOKOBJS): Remove dlopen hook.
1061 (libmudflap_la_LIBADD): Add -ldl.
1062 * mf-hooks.c (dlopen): Remove hook.
1063 * mf-impl.h (__mf_dynamic): Ditto.
1064 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1065 * Makefile.in: Regenerated.
1067 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
1069 * configure.in: Check for target gettimeofday, signal, some headers.
1070 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
1071 out inop multi_threaded field.
1072 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1073 (__mf_set_options): Correct handling of "-help".
1074 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1075 (__mf_check, __mf_register, __mf_unregister): Call it.
1076 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1077 (__mf_report_leaks): Make callable
1078 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
1079 distribution statistics.
1080 (__mf_adapt_cache): Rewrite shift guessing logic based on address
1081 bit distributions.
1082 * config.h.in, configure: Regenerated.
1083 * testsuite/libmudflap.c/fail27-frag.c: New test.
1084 * testsuite/libmudflap.c/pass36-frag.c: New test.
1086 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
1088 * mf-runtime.h.in: Tweak.
1089 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1090 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1091 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1093 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1095 * configure.in: Tweak generation of mf-runtime.h some more. It
1096 needs to work from both config.status and configure.
1097 * configure: Regenerated.
1099 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1101 * Makefile.am: Reorganize hook file building. Add auto dependencies.
1102 * configure.in: Tweak generation of mf-runtime.h.
1103 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1104 * mf-hooks.c (*): Adapt to initialized-heap object type.
1105 * mf-impl.h: Tweak cemetary boundaries.
1106 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1107 type.
1108 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1109 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1110 * testsuite/lib/libmudflap.exp (includes): Include build tree.
1111 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1112 checking.
1113 * testsuite/.../fail{25,26}-frag.c: New tests.
1114 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1115 * Makefile.in, configure: Regenerated.
1117 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1119 * mf-runtime.c (__mf_set_default_options): Turn on initialization
1120 checking by default.
1121 (__mf_insert_new_object): As a temporary hack, assume that new
1122 objects registered on the stack start out initialized.
1123 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1124 heap objects by hand.
1126 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1128 Switch to macro-style hooks for str*/mem*/b* functions.
1129 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1130 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1131 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1132 (__mf_set_default_options): Turn off heur_proc_map.
1133 (*): Adapt to to macro-style hook functions.
1134 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1135 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1136 (__mf_violation): Handle __MF_VIOL_WATCH.
1137 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1138 (__mf_dynamic): Removed mem*/str*/b* functions.
1139 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1140 (WRAPPER2): New macro for macro-style hooks.
1141 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1142 macro-style hooks.
1143 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1144 * mf-heuristics.c: Adapt to macro-style hook functions.
1145 Correct some comments.
1146 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1147 output pattern tests.
1148 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1149 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1151 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1153 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1154 for global array registration.
1155 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1156 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1158 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1160 * Makefile.am: Add gross make bug workarounds. Tweaked
1161 SUBDIRS and AM_CFLAGS.
1162 * Makefile.in: Regenerated.
1164 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1166 Switch to dejagnu.
1167 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1168 * Makefile.am (TESTS): Remove simple automake testing.
1169 * configure, Makefile.in: Regenerated.
1170 (SUBDIRS): Include new testsuite/ directory.
1171 * tests/*: Removed all files; moved bulk under:
1172 * testsuite/*: New subdirectory tree.
1173 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1174 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1175 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1176 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1177 * testsuite/config/default.exp: New file.
1178 * testsuite/Makefile.am, Makefile.in: New files.
1180 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1182 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1183 (TESTS): Add fail22 and pass29 tests.
1184 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1185 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1186 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1187 values. Move __MF_VIOL* here.
1188 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1189 (check_initialization): New field in __mf_opts. Default off.
1190 (read_count,write_count): New fields in __mf_object.
1191 (__mf_check): Implement basic initialization checking.
1192 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1193 (__mf_describe_object): Print new fields.
1194 (__mf_violation): Identify check/read vs. check/write in messages.
1195 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1196 "-check-initialized" mudflap option.
1197 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1198 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1199 Drop __FILE__/__LINE__ hack. Update callers.
1200 (*): Adapt to new mf-runtime.h API.
1201 * Makefile.in: regenerated.
1203 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1205 * configure.in: Build mf-runtime.h a more proper way.
1206 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1207 * mf-runtime.c (verbose_violations): Turn on by default.
1208 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1209 * mf-impl.h: ... and move it here.
1210 * configure: Regenerated.
1212 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1214 * configure.in: Look for C++ compiler.
1215 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1216 fixed type warnings when built with C++.
1217 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1218 * Makefile.am (TESTS): Run them.
1219 (*) Add new rules for building and running C++ tests.
1220 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1221 * mf-runtime.h.in: Protect with extern "C".
1222 * Makefile, configure: Regenerated.
1224 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1226 Portability improvements.
1227 * configure.in: Look for glibc backtrace headers/functions.
1228 * mf-hooks.c: Don't include <execinfo.h> any more.
1229 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1230 via CALL_REAL.
1231 (__mf_backtrace): Provide alternate baby implementation in
1232 absence of glibc.
1233 * test/mf-driver.c: Portability tweaks.
1234 * acinclude.m4: New file, containing top level libtool.m4.
1235 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1237 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1239 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1241 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1243 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1244 options.
1245 (__mf_unregister): Implement stack/heap object wiping.
1246 (__mf_set_options): Renamed from __mf_process_opts.
1247 (__mf_uncache_object): Change arg type, correct callers.
1248 * mf-impl.h: Corresponding changes.
1249 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1250 * mf-runtime.h.in (__mf_set_options): Extend public API.
1251 * test/pass26-frag.c: New test for stack wiping.
1252 * Makefile.am (TESTS): Run it.
1253 * Makefile.in: Regenerated.
1255 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1257 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1258 * mf-runtime.c (__mf_object_t): Add watching_p field.
1259 (__mf_watch_or_not): New function to implement
1260 object watch flagging.
1261 (__mf_watch, __mf_unwatch): New wrappers for above.
1262 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1263 (__mf_count_violation): Enlarge array.
1264 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1265 unlink object. Clear cache properly.
1266 (__mf_unregister): Unlink object explicitly before uncaching.
1267 * test/fail21-frag.c, pass25-frag.c: New tests.
1268 * Makefile.in, aclocal.m4: Regenerated.
1270 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1272 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1273 * Makefile.am (TESTS): Add it.
1274 * test/pass-stratcliff.c: Add decls of stpcpy.
1275 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1276 build tree from config.h and new file mf-runtime.h.in.
1277 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1278 * Makefile.in, configure, config.h.in: Regenerated.
1279 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1280 * mf-runtime.c (options, __mf_set_default_options): Support new
1281 default "abbreviate" option.
1282 (__mf_object.description_epoch): New field.
1283 (__mf_describe_object): Conditionally abbreviate objects already
1284 displayed in current epoch. Accept NULL input to increment epoch.
1285 (__mf_fini, __mf_ini): Reset description epoch.
1286 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1287 that NULL pointer slot in lookup cache is invalidated. Register a
1288 NOACCESS region around NULL.
1289 * mf-impl.h: Corresponding changes.
1291 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1293 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1294 * Makefile.am: Run them. Install mf-runtime.h.
1295 * Makefile.in: Regenerated.
1296 * mf-hooks.c: Add some markers for more missing functions.
1297 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1298 statistic to tune tune cache size (mask).
1300 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1302 * test/pass23-frag.c: New test for bit_field_ref expressions.
1303 * Makefile.am, Makefile.in: Add new test.
1304 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1305 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1306 * mf-runtime.c (__mf_init): Register errno global.
1307 (__mf_find_object): Removed function.
1308 (__mf_check): Rewrite logic to support accesses across some
1309 contiguous but distinctly registered objects.
1310 (__mf_remove_old_object): Tolerate cache entries that span
1311 contiguous objects.
1313 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1315 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1316 * Makefile.am, Makefile.in: Run new tests.
1317 * mf-hooks.c (alloca): Correct stack direction logic.
1319 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1321 * mf-impl.h (adapt_cache): New option.
1322 * mf-runtime.c (__mf_set_default_options): Set its default value.
1323 Tweak the tree_aging parameter down.
1324 (__mf_check): Maintain separate counter for cache-adaptation.
1325 (__mf_tree_analyze): New function to collect object tree stats.
1326 (__mf_adapt_cache): New function to automate cache parameters.
1328 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1330 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1331 hypothetical #if-0'd argv/envp region registration.
1332 * mf-runtime.c (__mf_init): Add kludged form of above.
1333 (*) Add "heur_argv_environ" flag, default on, to govern this.
1334 * mf-impl.h: Corresponding changes.
1336 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1338 * test/fail18-frag.c: New test file for NOACCESS regions.
1339 * Makefile.am (TESTS): Add new test.
1340 * Makefile.in: Regenerated.
1342 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1343 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1344 (optimize_object_tree): Remove unused mudflap_option.
1345 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1346 support throughout. Use .._MAX_CEM for cemetary upper bound.
1347 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1348 regions.
1349 (__mf_object): Add new liveness field for use by tree aging.
1350 (__mf_check): Trigger tree aging when needed.
1351 (__mf_age_tree): New function to decay liveness field.
1352 (__mf_find_objects_rec): Use liveness field to rotate tree.
1353 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1354 (__mf_unregister): Ditto.
1355 (__mf_register): Tweak duplicate-static message.
1356 (__mf_violation: Tweak nearby-object counter printing.
1358 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1360 * test/pass20-frag.c: New test file.
1361 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1362 * Makefile.in: Regenerated.
1364 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1365 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1366 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1367 entries to avoid repeat registration.
1368 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1369 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1371 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1373 * Makefile.am: Create test sources with #include, not cat>>.
1374 * Makefile.in: Regenerated.
1375 * test/buildtest.sh: Removed.
1376 * test/driver.c (abort_handler, main): Be quiet.
1378 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1380 * test/pass18-frag.c, pass19-frag.c: New tests.
1381 * Makefile.am (check): Run them. Rebuild test programs each time.
1382 * Makefile.in: Regenerated.
1384 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1386 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1387 overlapping object search.
1388 (__mf_violation): Likewise for nearby objects.
1389 Improve nearby-object listing.
1391 cleanup:
1392 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1393 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1395 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1397 alloca support:
1398 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1399 (HOOKOBJS): Add alloca-hook.o.
1400 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1401 style.
1402 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1403 (__mf_backtrace): Reimplement without using alloca.
1404 * Makefile.in: Regenerated.
1406 cleanup:
1407 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1408 Correct signedness bugs in length-tracking variables.
1409 * mf-impl.h: Make options unsigned.
1410 (CALL_WRAP): New macro to parallel CALL_REAL().
1411 (DECLARE): Remove erroneous ";" at end.
1412 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1413 formatting specs with %08lx. Correct several compiler warnings.
1415 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1417 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1419 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1421 libmudflap hook breakup:
1422 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1423 for libgcc_s.
1424 (TESTS): Make dependent on libmudflap.
1425 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1426 compiled from segments of mf-hooks.c.
1427 * mf-hooks.c: Corresponding changes: wrap each function in
1428 #ifdef/#endif.
1429 * Makefile.in: Regenerated.
1431 Heuristics reorganization:
1432 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1433 Remove these functions. Update callers.
1434 (__mf_heuristic_check): Incorporate all the various heuristics.
1435 Encode cacheability/retry judgement into trinary return value.
1436 Separate start-end logic into a separate fallback heuristic. Only
1437 register relevant /proc/self/map segments.
1438 * mf-impl.h: Corresponding changes.
1439 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1440 (__mf_init): Don't call __mf_init_heuristics.
1442 Tracing cleanup:
1443 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1444 "-verbose-trace" to emit all tracing messages other than those of
1445 basic public api. Eliminate some duplicate/excessive messages.
1446 * mf-runtime.h: Corresponding changes.
1448 2002-08-27 Graydon Hoare <graydon@redhat.com>
1450 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1451 and __real when compiled with -DPIC.
1452 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1453 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1454 * Makefile.in: Regenerate.
1456 2002-08-26 Graydon Hoare <graydon@redhat.com>
1458 * mf-impl.h: New file, private implementation header.
1459 * mf-runtime.h: Reorganize a bit.
1460 (CLAMPSZ): Fix arithmetic.
1461 (__MF_CACHE_MISS_P): Fix arithmetic.
1462 * mf-runtime.c: Reorganize a bit.
1463 (__mf_dynamic): New structure.
1464 (resolve_single_dynamic): New function.
1465 (__mf_resolve_dynamics): New function.
1466 (__mf_init): Initialize dynamic wrappers.
1467 * mf-hooks.c: Macro-ize __real calls.
1468 Clamp various bits of arithmetic.
1469 Add explicit __mf_check call contexts.
1470 * Makefile.am: Add dependencies on mf-impl.h
1471 * Makefile.in: Regenerate.
1472 * configure.in: Comment out shared override.
1473 * configure: Regenerate.
1475 2002-08-22 Graydon Hoare <graydon@redhat.com>
1477 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1478 (__mf_check): Re-inialize and check heuristics before violation.
1479 (__mf_register): Permit updating pure-guess regions.
1480 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1481 (__wrap_dlopen): New wrapper function.
1482 (__wrap_mmap): New wrapper function.
1483 (__wrap_munmap): New wrapper function.
1484 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1485 which are not stack addresses.
1486 (is_stack_address): New function.
1487 (__mf_init_heuristics): Save and restore state, always initialize with
1488 "starting" state.
1490 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1492 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1493 error. Pass location string.
1494 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1495 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1496 (__mf_process_opts): Apply some sanity checking for lc-mask.
1497 (__mf_check, __mf_violation): Take new location-string argument.
1498 Update callers to pass NULL if necessary.
1499 (__mf_backtrace): New smart backtracer function. Calls replace
1500 several ad-hoc blocks elsewhere.
1501 (__mf_describe_object): Remove bad reentrancy test. Improve
1502 tracing message.
1503 * mf-runtime.h: Corresponding changes. Public/private markup.
1504 (__MF_CACHE_MISS_P): New macro.
1506 2002-08-20 Graydon Hoare <graydon@redhat.com>
1508 * mf-runtime.h: New option: stack_bound (heuristic).
1509 Move some macros out of implementation files.
1510 * mf-runtime.c: New option string: -stack-bound.
1511 Unify recursion protection with hooks.
1512 Add more logging.
1513 (__mf_check): Call __mf_heuristic_check.
1514 (__mf_process_opts): Fix "no-" processing.
1515 * mf-heuristics.c (__mf_heuristic_check): New function.
1516 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1518 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1520 Option parsing improvements, region splitting bug fixes:
1521 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1522 * mf-runtime.h (heur_proc_map): New libmudflap option.
1523 * mf-runtime.c (__mf_set_default_options): Set it.
1524 (__mf_usage): Print default values/status.
1525 (__mf_process_opts): Support general "no-" option string prefix.
1526 (__mf_init): Print __mf_usage on unknown-option error.
1527 (__mf_register): Print trace message up front.
1528 Correct region splitting logic for case where a subregion disappears.
1529 Correct memory leak.
1530 (__mf_violation): Make even basic message conditional on option.
1532 Build cleanup:
1533 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1534 (clean-local): New target.
1535 (test/*x rules): Add -g CFLAGS.
1536 (CFLAGS): Add -freorder-blocks.
1537 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1538 * Makefile.in: Regenerated.
1539 * Makefile, mf-config.h: Removed files.
1541 2002-08-16 Graydon Hoare <graydon@redhat.com>
1543 * mf-runtime.c (__mf_insert_new_object): Factor out of
1544 __mf_register.
1545 (__mf_remove_old_object): Factor out of __mf_unregister.
1546 (__mf_register): Handle guessed regions, splitting
1547 guesses when new registrations arrive.
1548 (__mf_unregister): Do not unregister guesses.
1549 * mf-runtime.h: Move convenience macros around,
1550 declare new option fields. Add __MF_TYPE_GUESS.
1551 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1552 (__wrap_free): Call __real_free for deferred frees.
1553 * Makefile.am: Add more tests, fix dependency.
1554 * Makefile.in: Regenerate.
1555 * test/pass[13..17]-frag.c: New testcases.
1556 * test/fail[13..17]-frag.c: New testcases.
1558 2002-08-15 Graydon Hoare <graydon@redhat.com>
1560 * mf-heuristics.c: New file.
1561 * mf-runtime.c (options): Add -trace-calls option.
1562 (__mf_init): Call __mf_init_heuristics.
1564 2002-08-14 Graydon Hoare <graydon@redhat.com>
1566 * Makefile.am (TESTS): Add testsuite support.
1567 * Makefile.in: Regenerate.
1568 * test/mf-driver.c: New file.
1569 * test/buildtest.sh: New file.
1570 * test/passNN-frag.c: New testcases.
1571 * test/failNN-frag.c: New testcases.
1573 2002-08-14 Graydon Hoare <graydon@redhat.com>
1575 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1576 verifying non-size-limited string extents.
1578 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1580 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1581 instead of plain str[n]len for internal checks.
1582 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1584 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1586 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1588 2002-08-13 Graydon Hoare <graydon@redhat.com>
1590 * mf-runtime.c: Rework configuration to operate on
1591 environment variable options rather than #defines
1592 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1593 (__mf_init): Set static __mf_active_p flag on startup,
1594 to inhibit mudflap wrap-based checking during crt0.s.
1595 * mf-runtime.h: Declare options structure.
1596 * mf-hooks.c: New wrappings for mem*, b*, str*
1597 libc functions (temporarily #if 0-ed out).
1599 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1601 * Makefile.am, configure.in: New files.
1602 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1603 * stamp-h.in, aclocal.m4: Ditto.
1605 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1607 * Makefile: New file.
1608 * mf-config.h: New file: runtime configuration.
1609 * mf-hooks.c: New file: interposed libc functions.
1610 * mf-runtime.c: New file: bulk of runtime.
1611 * mf-runtime.h: New file: public functions.