| blob | efa2166e78af672d51d9f23651eacccb107d98b4 |
1 2007-07-26 Tom Tromey <tromey@redhat.com>
3 * Makefile.in: Rebuilt.
4 * Makefile.am (clean-local): Removed.
5 (pth/mf-runtime.lo, pth/mf-heuristics.lo, pth/mf-hooks1.lo,
6 pth/mf-hooks2.lo, pth/mf-hooks3.lo): Likewise.
7 (libmudflapth_la_SOURCES): List sources.
8 (libmudflapth_la_LIBADD): Clear.
9 (libmudflapth_la_CFLAGS): New variable.
11 2007-07-05 H.J. Lu <hongjiu.lu@intel.com>
13 * aclocal.m4: Regenerated.
15 2007-06-02 Paolo Bonzini <bonzini@gnu.org>
17 * configure: Regenerate.
19 2007-05-31 Frank Ch. Eigler <fche@redhat.com>
21 From Andi Kleen <ak@suse.de>:
22 * mf-runtime.c (options): Rename structure for compatibility with
23 glibc getopt_long.
25 2007-05-23 Steve Ellcey <sje@cup.hp.com>
27 * Makefile.in: Regenerate.
28 * configure: Regenerate.
29 * aclocal.m4: Regenerate.
30 * testsuite/Makefile.in: Regenerate.
32 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
34 * testsuite/libmudflap.cth/pass59-frag.c (main): Fix casting of arg.
36 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
38 * Makefile.am: Add dummy install-pdf target.
39 * Makefile.in: Regenerate
41 2007-02-07 Jakub Jelinek <jakub@redhat.com>
43 PR libgomp/28468
44 * configure: Regenerate.
46 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
48 * configure: Regenerate.
50 2006-11-13 Daniel Jacobowitz <dan@codesourcery.com>
52 * configure: Regenerated.
54 2006-11-10 Frank Ch. Eigler <fche@redhat.com>
56 PR libmudflap/28578
57 * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
58 static but not function scope static.
59 (free): Skip deallocation attempts for objects placed into
60 bootstrap buffers.
61 * testsuite/libmudflap.cth/pass59-frag.c: New test.
63 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
65 From Herman ten Brugge <hermantenbrugge@home.nl>:
66 * mf-runtime.c (__mf_uncache_object): Optimize the code so that
67 small and large objects are handled a lot faster.
69 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
71 * configure.ac (__libc_freeres): Look for it.
72 * mf-impl.h (call_libc_freeres): New configuration flag.
73 * mf-runtime.c (__mf_set_default_options): Set it by default.
74 (__mfu_report): Call it if needed.
75 (__mfu_unregister): Remove "unaccessed registered object" warning.
76 * configure, config.h.in: Regenerated.
78 2006-09-18 Tom Tromey <tromey@redhat.com>
80 * configure: Rebuilt.
82 2006-06-21 Frank Ch. Eigler <fche@redhat.com>
84 PR 21274
85 mf-runtime.h installation based on ssp patch for PR 26473 from
86 Mark Mitchell <mark@codesourcery.com>.
87 * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
88 * Makefile.am (target_noncanonical): Define.
89 (libsubincludedir): New variable.
90 (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
91 (include_HEADERS): Remove.
92 * configure, aclocal.m4, config.h.in: Regenerated.
93 * Makefile.in, testsuite/Makefile.in: Likewise.
94 * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
95 and _THREAD_SAFE redefinition values.
97 2006-05-23 Carlos O'Donell <carlos@codesourcery.com>
99 * Makefile.am: Add install-html target. Add install-html to .PHONY
100 * Makefile.in: Regenerate.
102 2006-04-19 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
104 PR mudflap/26789
105 * testsuite/libmudflap.c++/error1-frag.cxx: New test.
107 PR mudflap/26790
108 * testsuite/libmudflap.c++/error2-frag.cxx: New test.
110 2006-04-10 Matthias Klose <doko@debian.org>
112 * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
113 directory names containing underscores.
115 2005-11-22 Janis Johnson <janis187@us.ibm.com>
117 * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
118 MUDFLAP_FLAGS if static library not supported.
119 * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
120 * testsuite/libmudflap.c/externs.exp: Ditto.
121 * testsuite/libmudflap.c++/ctors.exp: Ditto.
122 * testsuite/libmudflap.c++/c++frags.exp: Ditto.
123 * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
125 2005-10-04 James E Wilson <wilson@specifix.com>
127 * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
128 $name as array of characters with unknown bound. Also store into the
129 array.
130 * configure: Regenerate.
132 2005-09-30 James E. Wilson <wilson@specifix.com>
134 * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
135 AC_CHECK_HEADER.
136 (target_thread_file): New. Set from sed'ed gcc output.
137 (posix_threads): New. Set from target_thread_file. Use instead of
138 ac_have_pthread_h.
139 (pthread_create_version): Move initialization before code using it.
140 * configure: Regenerate.
142 * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
143 bounds.
145 2005-09-29 James E. Wilson <wilson@specifix.com>
147 * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
148 with HAVE_MMAP ifdef.
150 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
152 PR 23084.
153 * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
155 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
157 * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
159 2005-09-23 Tom Tromey <tromey@redhat.com>
161 * aclocal.m4, configure: Rebuilt.
162 * configure.ac: Use GCC_CHECK_TLS.
163 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
164 to ../config.
166 2005-08-22 Jim Wilson <wilson@specifix.com>
168 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
169 __FreeBSD__ is defined.
171 2005-08-17 Jim Wilson <wilson@specifix.com>
173 * mf-hooks1.c (malloc, calloc, realloc, free,
174 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
175 the real routines, and END_MALLOC_PROTECT afterwards.
176 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
177 (BEGIN_PROTECT): Handle in_malloc state.
178 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
179 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
181 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
183 * All files: Update FSF address.
185 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
187 * mf-hooks3.c (main_seen_p): Remove.
188 (__mf_get_state): Remove attempt to recognize the main thread.
190 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
192 * configure.ac: Test for the name of the symbol used for the entry
193 point; define ENTRY_POINT to the result.
194 * configure: Regenerate.
195 * config.h.in: Regenerate.
196 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
198 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
200 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
201 (__mf_init): Set thread state active.
202 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
203 state active.
204 (pthread_create wrapper): Always use thread spawner.
206 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
207 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
209 2005-07-16 Richard Henderson <rth@redhat.com>
211 * acinclude.m4: New file.
212 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
213 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
214 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
215 (__mf_0fn_calloc): ... here.
216 * mf-hooks3.c (struct pthread_info): Remove.
217 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
218 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
219 (struct mf_thread_data): New.
220 (mf_thread_data, mf_thread_data_lock): New.
221 (__mf_allocate_blank_threadinfo): Remove.
222 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
223 not available.
224 (__mf_state_perthread): Remove.
225 (__mf_get_state, __mf_set_state): New.
226 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
227 Update mf_thread_data killing procedure.
228 (__mf_pthread_spawner): Similarly.
229 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
230 code to allocate thread stack space.
231 (__mf_0fn_pthread_join, pthread_join): Remove.
232 (__mf_0fn_pthread_exit, pthread_exit): Remove.
233 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
234 (__mf_state_1): Rename from __mf_state; use TLS when available.
235 (__mf_get_state, __mf_set_state): New. Update all users.
236 * mf-runtime.c (begin_recursion_protect1): New.
237 (BEGIN_RECURSION_PROTECT): Use it.
238 (__mf_state_1): Rename from __mf_state; use TLS when available.
239 (threads_active_p): Remove.
240 (__mf_usage): Compute it directly.
242 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
244 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
246 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
248 Fix for uncaching bug reported by Herman ten Brugge.
249 * mf-runtime.c (__mf_uncache_object): Search whole cache.
250 * testsuite/libmudflap.c/fail40-frag.c: New test.
252 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
254 PR libmudflap/21724
255 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
256 * Makefile.in: Amend.
258 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
260 PR mudflap/21023
261 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
262 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
264 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
266 PR libmudflap/21094
267 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
269 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
271 PR mudflap/22064
272 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
273 unsigned vars with #defines instead of enums.
275 2005-05-09 Mike Stump <mrs@apple.com>
277 * configure: Regenerate.
279 2005-04-12 Mike Stump <mrs@apple.com>
281 * configure: Regenerate.
283 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
285 PR mudflap/19266
286 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
287 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
289 2005-04-04 Alan Modra <amodra@bigpond.net.au>
291 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
293 2005-03-31 Mike Stump <mrs@apple.com>
295 * mf-runtime.h: Add libmudflap copyright clause.
297 2005-03-21 Mike Stump <mrs@apple.com>
299 * mf-heuristics.c: Fix whitespace at end of line.
300 * mf-hooks1.c: Likewise.
301 * mf-hooks2.c: Likewise.
302 * mf-hooks3.c: Likewise.
303 * mf-impl.h: Likewise.
304 * mf-runtime.c: Likewise.
305 * mf-runtime.h: Likewise.
307 2005-03-21 Zack Weinberg <zack@codesourcery.com>
309 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
310 In all substitutions, expand gcc_version in Makefile.
311 * aclocal.m4, configure: Regenerate.
312 * Makefile.am: Set gcc_version.
313 * Makefile.in, testsuite/Makefile.in: Regenerate.
315 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
317 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
318 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
320 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
322 PR mudflap/19319
323 * testsuite/libmudflap.c++/pass55-frag.c: New test.
325 2005-01-05 Richard Henderson <rth@redhat.com>
327 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
329 2005-01-02 Greg McGary <greg@mcgary.org>
331 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
332 * mf-runtime.h: New file, replaces mf-runtime.h.in.
333 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
334 * Makefile.in: Ditto.
335 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
336 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
337 * testsuite/libmudflap.c/fail36-frag.c: New test.
338 * testsuite/libmudflap.c/fail37-frag.c: New test.
339 * testsuite/libmudflap.c/fail38-frag.c: New test.
341 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
343 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
344 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
346 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
348 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
349 * aclocal.m4: Include ../config/gcc-version.m4.
350 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
352 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
354 * Makefile.am: Define ACLOCAL_AMFLAGS.
355 * acinclude.m4: Remove.
356 * stamp-h.in: Remove superfluous stamp file.
357 * aclocal.m4, configure, Makefile.in: Regenerate.
358 * testsuite/Makefile.in: Likewise.
360 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
362 * Makefile.am: Revert previous.
363 * acinclude.m4: Restore.
364 * aclocal.m4, configure, Makefile.in: Regenerate.
365 * testsuite/Makefile.in: Likewise.
367 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
369 * Makefile.am: Define ACLOCAL_AMFLAGS.
370 * acinclude.m4: Remove.
371 * aclocal.m4, configure, Makefile.in: Regenerate.
372 * testsuite/Makefile.in: Likewise.
374 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
376 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
378 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
380 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
381 * testsuite/Makefile.in: Likewise.
383 2004-11-01 Andreas Schwab <schwab@suse.de>
385 * configure.ac: (target_alias): Default to $host_alias, not
386 $target.
387 * configure: Regenerated.
389 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
391 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
392 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
393 message.
395 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
397 PR other/18138
398 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
400 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
402 * configure.ac: Check for more headers, functions.
403 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
404 tracking overridden FILE buffers.
405 (fopen, setvbuf): New/revised hook functions for buffer overriding.
406 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
407 (fflush): Accept given NULL stream (means "all streams").
408 * mf-runtime.h.in:
409 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
410 HEAP/GUESS objects.
411 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
412 (__mf_adapt_cache): Use them all.
413 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
414 * testsuite/libmudflap.c++/ctors.exp: Ditto.
415 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
416 * configure, config.h.in: Regenerated.
418 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
420 * configure.ac: Checking for sys/socket.h once is enough.
421 * configure: Regenerated.
423 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
425 * configure.ac: Look for more headers & functions.
426 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
427 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
428 * mf-runtime.c (options): Clean up integer signedness warnings.
429 (main): Add a declaration to fix a warning.
430 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
431 * configure, config.h.in: Regenerated.
433 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
435 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
436 New tests for proper base/limit checking for aggregates.
438 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
440 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
442 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
444 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
445 * mf-hooks2.c (strerror): Unregister previous string returned by
446 previous strerror.
447 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
448 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
449 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
450 * mf-runtime.c (__mf_describe_object): Clarify object life status.
451 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
452 New tests.
453 * configure, config.h.in: Regenerated.
455 2004-08-03 Dale Johannesen <dalej@apple.com>
457 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
459 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
461 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
462 simplified contents in all former callers.
464 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
466 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
467 the statically linked case.
469 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
471 * splay-tree.[ch]: Remove. Merge contents into ...
472 * mf-runtime.c: ... here, renaming symbols and making all functions
473 static. Remove unused min/max functions.
474 * Makefile.am: Forget about splay-tree.[ch].
475 * Makefile.in, testsuite/Makefile.in: Regenerated.
477 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
479 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
480 (__mfu_usage): Include (C) 2004.
481 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
482 here. Include a comment explaining why.
484 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
486 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
487 * mf-runtime.c (options): Give them a name.
488 (__mf_set_default_options): Set them.
489 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
490 (__mf_violation): Warning cleanup.
491 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
492 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
494 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
496 g++/15861
497 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
498 repeated invocation.
500 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
502 Test case for g++/15861
503 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
504 * testsuite/libmudflap.c++/ctors.exp: Driver.
505 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
506 Look only for *frag* test cases.
508 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
510 ANSI C conversion, libmudflap specialization, recursion limiting.
511 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
512 argument and indirection function pointers, update callers.
513 (splay_tree_s): Add statistics and recursion control fields
514 num_keys, max_depth, depth, rebalance_p.
515 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
516 Back out of search if it exceeds limit.
517 (splay_tree_splay): Manage recursion limiting with rebalancing as
518 needed.
519 (splay_tree_new): More initialization.
520 (splay_tree_rebalance): New function.
521 (splay_tree_foreach): Rewrite using nonrecursive logic.
522 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
523 Remove. Point indirect calls to mf-runtime.c's routines.
524 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
525 functions.
526 (splay_tree_delete, splay_tree_delete_helper): Ditto.
527 * testsuite/heap-scalestress.c: New test based on one from
528 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
530 2004-07-05 Matthias Klose <doko@debian.org>
532 * libtool-version: New.
533 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
534 Use -version-info for soname.
535 * Makefile.in: Regenerate.
536 * configure.ac: Remove libtool_VERSION macro
537 * configure: Regenerate
539 2004-07-05 Zack Weinberg <zack@codesourcery.com>
541 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
542 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
543 #ifndef _MUDFLAP.
545 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
547 Splay tree implementation fork.
548 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
549 Use hard-coded comparison function for uintptr_t. Remove key/value
550 deallocation logic. Cache last splayed key for consecutive lookups.
551 * Makefile.am, Makefile.in: Use them, don't link to them.
552 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
553 (__mf_find_objects2): Flip successor/predecessor search sequence.
554 * ansidecl.h, libiberty.h: Removed dummy files.
556 2004-06-29 Nick Clifton <nickc@redhat.com>
558 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
559 * configure: Regenerate.
560 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
561 HAVE_DIRENT_H.
562 Remove spurious inclusion of <strings.h>.
564 2004-06-29 Nick Clifton <nickc@redhat.com>
566 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
567 function actually exists.
569 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
571 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
572 * config.h.in: Regenerated.
574 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
576 Adopt splay trees for object database.
577 * Makefile.am: Copy splay-tree.* from libiberty.
578 * Makefile.in, testsuite/Makefile.in: Regenerated.
579 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
580 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
581 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
582 * mf-runtime.c: Rewrite code dealing with object database to use
583 libiberty splay trees. Remove tree liveness aging option.
584 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
586 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
588 * configure.ac: New name of configure.in. Update
589 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
590 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
591 Autoconf 2.5x and Automake 1.7 or later.
592 * configure.in: Remove.
593 * configure: Regenerate.
595 * Makefile.am: Remove useless multilib rules.
596 * Makefile.in: Regenerate.
598 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
600 * .cvsignore: New file.
602 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
604 PR libmudflap/13505
605 * mf-hooks2.c (semctl): Add cygwin porting hack.
607 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
609 ctype support.
610 * configure.in: Look for ctype header and glibc implementation.
611 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
612 array hooks for glibc 2.3.
613 * mf-runtime.h.in: Wrap them.
614 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
615 implementations.
616 * testsuite/libmudflap.c/pass47-frag.c: New test.
617 * configure, config.h.in: Regenerated.
619 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
621 Portability improvements, e.g., libmudflap/15293.
622 * configure.in: Look for glibc extension functions. Look for
623 support of -f{function,data}-sections. Look for more headers.
624 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
625 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
626 mf-hooks* into usual single object per source.
627 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
628 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
629 if system doesn't provide one.
630 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
631 (pthread_create): Use it to properly GC dead thread stacks.
632 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
633 * testsuite/Makefile.am: Stop generating site.exp.
634 * testsuite/mfconfig.exp.in: New file.
635 * testsuite/config/default.exp: Load new mfconfig.exp.
636 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
637 (prune_gcc_output): Add glibc static linking warnings.
638 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
639 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
640 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
641 Regenerated with autoconf 2.57 and automake 1.7.
643 2004-06-04 Per Bothner <per@bothner.com>
645 * configure.in (LIBMUDFLAPTH): Fix thinko.
647 * configure.in: Check for more headers.
648 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
650 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
651 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
653 2004-06-01 Andreas Jaeger <aj@suse.de>
655 * configure.in: Handle multilibs, support
656 --enable-version-specific-runtime-libs.
657 * Makefile.am (lib_LTLIBRARIES): Rename to ...
658 (toolexeclib_LTLIBRARIES): this for multilib support.
659 * Makefile.in: Regenerated.
660 * configure: Regenerated.
661 * aclocal.m4: Regenerated.
662 * config.h.in: Regenerated.
663 * testsuite/Makefile.in: Regenerated.
665 2004-06-01 Andreas Jaeger <aj@suse.de>
667 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
668 multilibs, using multilib directory instead of hardcoded path.
669 Set LD_RUN_PATH.
671 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
673 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
674 * Makefile.in: Ditto.
676 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
678 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
679 * aclocal.m4, configure: Rebuilt.
681 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
683 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
684 import some build settings from libstdc++-v3 testsuite_flags.
685 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
686 changes to pass test language.
688 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
689 quicker mode-nop handling.
691 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
693 * mf-impl.h: Added libgcc license header.
695 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
697 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
698 Added libgcc license header.
699 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
700 (pthread_create): Simplify stack allocation syntax.
702 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
704 * mf-hooks2.c: Support FreeBSD.
705 (WRAP_gets): Avoid gets().
706 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
707 test unimplemented mem/str calls on FreeBSD.
708 * testsuite/libmudflap.c/pass21-frag.c: Do not include
709 <alloca.h> on FreeBSD.
711 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
713 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
714 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
715 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
716 flags for static linking permutation.
717 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
718 some pthreads code that croaks on linux glibc tls.
720 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
722 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
724 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
726 * testsuite/libmudflap.c/pass44-frag.c: New test.
728 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
730 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
732 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
734 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
736 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
738 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
740 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
742 PR libmudflap/12670
743 * configure.in: Add check for see if
744 socklen_t typedef is in sys/socket.h.
745 * mf-hooks1.c: Add define if socklen_t
746 is not typedef.
747 * mf-hooks2.c: Likewise.
748 * mf-hooks3.c: Likewise.
749 * config.h.in: Regen.
750 * configure: Regen.
752 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
754 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
755 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
756 optimizations.
757 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
758 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
759 (unoptimized) allocation of stack space.
761 2003-12-07 Richard Henderson <rth@redhat.com>
763 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
764 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
766 2003-12-06 Andrew Pinski <apinski@apple.com>
768 partial PR libmudflap/12670
769 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
770 * mf-hooks2.c: Likewise.
771 * mf-hooks3.c: Likewise.
773 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
775 libstdc++/11696
776 * mf-runtime.h.in: Switch to #pragma redefine_extname for
777 symbols interposed at compile time.
778 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
780 libmudflap/12939
781 * mf-hooks2.c (semctl): Tolerate FreeBSD.
783 * configure.in: Reorganize check for <pthread.h>.
784 * configure: Regenerated.
786 2003-11-04 David Edelsohn <edelsohn@gnu.org>
788 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
789 (_LARGE_FILE_API): Define for AIX.
790 * mf-hooks[123]: Same.
791 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
793 2003-10-21 David Edelsohn <edelsohn@gnu.org>
795 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
797 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
799 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
801 * configure.in: Update check for union semun.
803 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
805 PR other/11673
806 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
808 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
810 PR other/11673
811 * configure.in: Add checks for 64-bit LFS functions, struct semun
812 definition, for BSD compatibility.
813 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
814 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
815 * mf-hooks3.c: Ditto.
816 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
817 mmap flag.
818 * configure, config.h.in: Regenerated.
820 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
822 Multithreading fixes:
823 * mf-runtime.c (__mf_object): Store allocating/deallocating
824 thread id.
825 (options): Support new "-thread-stack" option.
826 Rename "-heur-argv-environ" option to "-heur-stdlib".
827 Disable "-lc-mask" and "-lc-shift" options.
828 (__mf_dynamic): Add function pointers for pthread_join/_exit.
829 (__assert_fail): New self-contained function for glibc.
830 * mf-hooks3.c: Essentially rewritten, particularly related to
831 use of __mf_pthread_info array.
832 (pthread_join, _exit): New hook functions.
833 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
834 * testsuite/libmudflap.cth/pass40-frag.c: New test.
836 Warning cleanups:
837 * mf-heuristics.c: Add type casts for tracing, sub calls.
838 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
839 Update all callers to declare explicit result holder.
840 (END_PROTECT): Removed.
841 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
843 2003-07-15 Diego Novillo <dnovillo@redhat.com>
845 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
846 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
847 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
849 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
851 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
852 * mf-hooks: Removed.
853 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
854 Move these macros from old mf-hooks.c here.
855 * Makefile.am: Adapt to split-up hook sources for faster builds.
856 * Makefile.in: Regenerated.
858 * mf-heuristics.c: Remove #if-0 block.
860 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
861 (__mf_starting_p): New state only for use while dlsym bootstrapping.
862 (CALL_REAL, __mf_init): Corresponding changes.
863 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
864 all callers to remove redundant "mf:" prefix.
865 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
866 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
867 (__mf_pthread_info): Become a hash table.
869 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
870 "dg-repetitions" directives to control test case execution.
871 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
872 options.
873 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
875 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
877 * mf-hooks.c (alloca): Separate into stub.
878 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
879 malloc/free for alloca blocks.
880 (pthread_create): Tolerate failing pthread_attr_get* calls.
881 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
882 * mf-impl.h (CALL_WRAP): Remove macro.
883 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
884 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
885 padding for ia64 BIT_FIELD_REF constructs.
887 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
889 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
890 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
891 libmudflap object type.
892 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
893 crashes on unregistering STATIC objects.
895 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
897 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
898 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
899 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
900 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
901 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
902 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
903 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
904 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
905 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
906 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
907 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
908 (accept, bind, connect, gethostname, sethostname): New hooks.
909 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
910 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
911 (semop, semctl, shmctl, shmat, shmdt): New hooks.
912 * mf-runtime.h.in: Corresponding changes.
913 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
914 (opts) Rename heur_argv_environ to heur_std_data.
915 (__mf_wrap_main): Use STATIC type for argv/environ strings.
916 * Makefile.am: Corresponding changes.
917 * Makefile.in: Regenerated.
919 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
921 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
922 heuristic for threaded case, and for non-x86-linux targets.
923 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
924 for use during pre-main() program startup.
925 (__mf_0fn_*): Make these functions non-static.
926 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
927 functions.
928 * mf-runtime.c (__mf_state): Set initial state to "starting".
929 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
930 (__wrap_main): New function to register argv[] and environ[] strings.
931 (__mf_ini): Call it.
932 (*): In all trace functions, use "%p" as formatter for uintptr_t.
934 * testsuite/libmudflap.c/pass38-frag.c: New test case.
935 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
937 * acinclude.m4: Add comments with aoliva's concerns about x86_64
938 pass_all.
939 * aclocal.m4, configure: Regenerated.
941 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
943 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
944 * aclocal.m4, configure: Regenerated.
946 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
948 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
949 for x86_64 target. Disable caching for this value.
950 * aclocal.m4, configure: Regenerated.
952 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
954 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
955 is about to become deprecated, and its present handling bugs are
956 unworthy of fixing.
958 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
960 * testsuite/libmudflap.c/pass38-frag.c: New test for
961 -fwritable-strings.
963 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
965 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
966 __mf_report, asserting reentrant calling context.
968 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
970 * mf-hooks.c (realloc): Correct reentrancy logic.
971 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
973 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
975 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
976 PTHREAD_THREADS_MAX. Update users.
977 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
978 for active options.
979 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
980 with libmudflapth presence indicator.
981 * testsuite/Makefile.in: Regenerated.
983 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
985 * Makefile.am (AM_CFLAGS): Remove "-ansi".
986 * configure.in: Remove silly no-pthreads => no-shared logic.
987 * Makefile.in, configure: Regenerated.
988 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
989 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
990 code. Count reentrancy events.
991 (all hook functions): Don't directly manipulate __mf_state variable.
992 Add TRACE calls to hook functions without them.
993 * mf-impl.h (LOCKTH): Try to count lock contention events.
994 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
995 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
996 Reorganize reentrancy code.
997 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
998 identify reentrancy with mutex holding times.
999 (internal __mfu_ entry points): Remove internal reentrancy code.
1000 (__mf_init): Use ordinary locked calls.
1001 (__mfu_report): Print the two new counts.
1002 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
1003 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
1004 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
1005 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
1006 option defaults.
1008 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
1010 * configure.in: Add pthread support, plus glibc and porting hacks.
1011 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
1012 from objects built into ./pth/.
1013 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
1014 functions for internal entry points. Update callers to pick
1015 locked vs. unlocked variants.
1016 (__mf_resolve_single_dynamic): Extend to support symbol versioning
1017 info coming in from a static data structure.
1018 (*): Reorder miscellaneous declarations to group data vs functions.
1019 (__mf_set_default_options): Simplify.
1020 (__mf_usage): Mention threading status of host executable.
1021 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
1022 decls to match above.
1023 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
1024 * mf-heuristics.c: Choose between locked/unlocked calls. Add
1025 some lock/unlock markers. Remove some unused code.
1026 * mf-hooks: Ditto.
1027 (pthread_create): New hook function.
1028 (__mf_pthread_cleanup, _spawner): New helper functions.
1029 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
1031 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
1033 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
1035 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
1037 * Makefile.am (HOOKOBJS): Add *time related hooks.
1038 * configure.in: Look for pthreads.h header.
1039 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
1040 * mf-runtime.c: Begin sketching some pthreads support.
1041 (__mf_usage): Check for -lpthread presence.
1042 (__mf_unregister): Confirm matching unregistration base.
1043 (__mf_find_objects_rec): Reduce unnecessary recursion.
1044 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
1045 #defines for new hook functions.
1046 * mf-impl.h: Corresponding changes.
1047 * config.h.in, configure, Makefile.in: Regenerated.
1049 2002-04-27 Diego Novillo <dnovillo@redhat.com>
1051 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
1052 modifiers to prevent being optimized away.
1053 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
1054 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1055 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
1056 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1057 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
1058 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
1059 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
1061 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1063 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1064 * configure.in: Look for uintptr_t and -ldl on target.
1065 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1066 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1067 * testsuite/Makefile.in: Regenerated.
1068 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1069 for better C compliance.
1071 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1073 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1074 prevention code.
1075 * mf-runtime.c (__mf_set_default_options): Turn off
1076 check-initialization.
1077 (__mf_describe_object): Shorten description.
1078 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1080 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
1082 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1084 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
1086 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1087 calls specially.
1088 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1089 * mf-impl.h (CALL_BACKUP): New macros.
1090 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1092 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
1094 * Makefile.am (AM_CFLAGS): Remove optimization flags.
1095 (HOOKOBJS): Remove dlopen hook.
1096 (libmudflap_la_LIBADD): Add -ldl.
1097 * mf-hooks.c (dlopen): Remove hook.
1098 * mf-impl.h (__mf_dynamic): Ditto.
1099 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1100 * Makefile.in: Regenerated.
1102 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
1104 * configure.in: Check for target gettimeofday, signal, some headers.
1105 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
1106 out inop multi_threaded field.
1107 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1108 (__mf_set_options): Correct handling of "-help".
1109 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1110 (__mf_check, __mf_register, __mf_unregister): Call it.
1111 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1112 (__mf_report_leaks): Make callable
1113 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
1114 distribution statistics.
1115 (__mf_adapt_cache): Rewrite shift guessing logic based on address
1116 bit distributions.
1117 * config.h.in, configure: Regenerated.
1118 * testsuite/libmudflap.c/fail27-frag.c: New test.
1119 * testsuite/libmudflap.c/pass36-frag.c: New test.
1121 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
1123 * mf-runtime.h.in: Tweak.
1124 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1125 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1126 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1128 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1130 * configure.in: Tweak generation of mf-runtime.h some more. It
1131 needs to work from both config.status and configure.
1132 * configure: Regenerated.
1134 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1136 * Makefile.am: Reorganize hook file building. Add auto dependencies.
1137 * configure.in: Tweak generation of mf-runtime.h.
1138 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1139 * mf-hooks.c (*): Adapt to initialized-heap object type.
1140 * mf-impl.h: Tweak cemetary boundaries.
1141 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1142 type.
1143 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1144 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1145 * testsuite/lib/libmudflap.exp (includes): Include build tree.
1146 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1147 checking.
1148 * testsuite/.../fail{25,26}-frag.c: New tests.
1149 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1150 * Makefile.in, configure: Regenerated.
1152 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1154 * mf-runtime.c (__mf_set_default_options): Turn on initialization
1155 checking by default.
1156 (__mf_insert_new_object): As a temporary hack, assume that new
1157 objects registered on the stack start out initialized.
1158 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1159 heap objects by hand.
1161 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1163 Switch to macro-style hooks for str*/mem*/b* functions.
1164 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1165 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1166 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1167 (__mf_set_default_options): Turn off heur_proc_map.
1168 (*): Adapt to to macro-style hook functions.
1169 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1170 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1171 (__mf_violation): Handle __MF_VIOL_WATCH.
1172 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1173 (__mf_dynamic): Removed mem*/str*/b* functions.
1174 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1175 (WRAPPER2): New macro for macro-style hooks.
1176 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1177 macro-style hooks.
1178 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1179 * mf-heuristics.c: Adapt to macro-style hook functions.
1180 Correct some comments.
1181 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1182 output pattern tests.
1183 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1184 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1186 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1188 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1189 for global array registration.
1190 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1191 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1193 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1195 * Makefile.am: Add gross make bug workarounds. Tweaked
1196 SUBDIRS and AM_CFLAGS.
1197 * Makefile.in: Regenerated.
1199 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1201 Switch to dejagnu.
1202 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1203 * Makefile.am (TESTS): Remove simple automake testing.
1204 * configure, Makefile.in: Regenerated.
1205 (SUBDIRS): Include new testsuite/ directory.
1206 * tests/*: Removed all files; moved bulk under:
1207 * testsuite/*: New subdirectory tree.
1208 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1209 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1210 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1211 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1212 * testsuite/config/default.exp: New file.
1213 * testsuite/Makefile.am, Makefile.in: New files.
1215 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1217 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1218 (TESTS): Add fail22 and pass29 tests.
1219 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1220 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1221 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1222 values. Move __MF_VIOL* here.
1223 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1224 (check_initialization): New field in __mf_opts. Default off.
1225 (read_count,write_count): New fields in __mf_object.
1226 (__mf_check): Implement basic initialization checking.
1227 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1228 (__mf_describe_object): Print new fields.
1229 (__mf_violation): Identify check/read vs. check/write in messages.
1230 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1231 "-check-initialized" mudflap option.
1232 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1233 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1234 Drop __FILE__/__LINE__ hack. Update callers.
1235 (*): Adapt to new mf-runtime.h API.
1236 * Makefile.in: regenerated.
1238 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1240 * configure.in: Build mf-runtime.h a more proper way.
1241 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1242 * mf-runtime.c (verbose_violations): Turn on by default.
1243 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1244 * mf-impl.h: ... and move it here.
1245 * configure: Regenerated.
1247 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1249 * configure.in: Look for C++ compiler.
1250 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1251 fixed type warnings when built with C++.
1252 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1253 * Makefile.am (TESTS): Run them.
1254 (*) Add new rules for building and running C++ tests.
1255 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1256 * mf-runtime.h.in: Protect with extern "C".
1257 * Makefile, configure: Regenerated.
1259 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1261 Portability improvements.
1262 * configure.in: Look for glibc backtrace headers/functions.
1263 * mf-hooks.c: Don't include <execinfo.h> any more.
1264 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1265 via CALL_REAL.
1266 (__mf_backtrace): Provide alternate baby implementation in
1267 absence of glibc.
1268 * test/mf-driver.c: Portability tweaks.
1269 * acinclude.m4: New file, containing top level libtool.m4.
1270 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1272 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1274 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1276 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1278 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1279 options.
1280 (__mf_unregister): Implement stack/heap object wiping.
1281 (__mf_set_options): Renamed from __mf_process_opts.
1282 (__mf_uncache_object): Change arg type, correct callers.
1283 * mf-impl.h: Corresponding changes.
1284 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1285 * mf-runtime.h.in (__mf_set_options): Extend public API.
1286 * test/pass26-frag.c: New test for stack wiping.
1287 * Makefile.am (TESTS): Run it.
1288 * Makefile.in: Regenerated.
1290 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1292 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1293 * mf-runtime.c (__mf_object_t): Add watching_p field.
1294 (__mf_watch_or_not): New function to implement
1295 object watch flagging.
1296 (__mf_watch, __mf_unwatch): New wrappers for above.
1297 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1298 (__mf_count_violation): Enlarge array.
1299 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1300 unlink object. Clear cache properly.
1301 (__mf_unregister): Unlink object explicitly before uncaching.
1302 * test/fail21-frag.c, pass25-frag.c: New tests.
1303 * Makefile.in, aclocal.m4: Regenerated.
1305 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1307 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1308 * Makefile.am (TESTS): Add it.
1309 * test/pass-stratcliff.c: Add decls of stpcpy.
1310 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1311 build tree from config.h and new file mf-runtime.h.in.
1312 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1313 * Makefile.in, configure, config.h.in: Regenerated.
1314 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1315 * mf-runtime.c (options, __mf_set_default_options): Support new
1316 default "abbreviate" option.
1317 (__mf_object.description_epoch): New field.
1318 (__mf_describe_object): Conditionally abbreviate objects already
1319 displayed in current epoch. Accept NULL input to increment epoch.
1320 (__mf_fini, __mf_ini): Reset description epoch.
1321 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1322 that NULL pointer slot in lookup cache is invalidated. Register a
1323 NOACCESS region around NULL.
1324 * mf-impl.h: Corresponding changes.
1326 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1328 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1329 * Makefile.am: Run them. Install mf-runtime.h.
1330 * Makefile.in: Regenerated.
1331 * mf-hooks.c: Add some markers for more missing functions.
1332 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1333 statistic to tune tune cache size (mask).
1335 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1337 * test/pass23-frag.c: New test for bit_field_ref expressions.
1338 * Makefile.am, Makefile.in: Add new test.
1339 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1340 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1341 * mf-runtime.c (__mf_init): Register errno global.
1342 (__mf_find_object): Removed function.
1343 (__mf_check): Rewrite logic to support accesses across some
1344 contiguous but distinctly registered objects.
1345 (__mf_remove_old_object): Tolerate cache entries that span
1346 contiguous objects.
1348 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1350 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1351 * Makefile.am, Makefile.in: Run new tests.
1352 * mf-hooks.c (alloca): Correct stack direction logic.
1354 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1356 * mf-impl.h (adapt_cache): New option.
1357 * mf-runtime.c (__mf_set_default_options): Set its default value.
1358 Tweak the tree_aging parameter down.
1359 (__mf_check): Maintain separate counter for cache-adaptation.
1360 (__mf_tree_analyze): New function to collect object tree stats.
1361 (__mf_adapt_cache): New function to automate cache parameters.
1363 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1365 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1366 hypothetical #if-0'd argv/envp region registration.
1367 * mf-runtime.c (__mf_init): Add kludged form of above.
1368 (*) Add "heur_argv_environ" flag, default on, to govern this.
1369 * mf-impl.h: Corresponding changes.
1371 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1373 * test/fail18-frag.c: New test file for NOACCESS regions.
1374 * Makefile.am (TESTS): Add new test.
1375 * Makefile.in: Regenerated.
1377 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1378 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1379 (optimize_object_tree): Remove unused mudflap_option.
1380 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1381 support throughout. Use .._MAX_CEM for cemetary upper bound.
1382 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1383 regions.
1384 (__mf_object): Add new liveness field for use by tree aging.
1385 (__mf_check): Trigger tree aging when needed.
1386 (__mf_age_tree): New function to decay liveness field.
1387 (__mf_find_objects_rec): Use liveness field to rotate tree.
1388 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1389 (__mf_unregister): Ditto.
1390 (__mf_register): Tweak duplicate-static message.
1391 (__mf_violation: Tweak nearby-object counter printing.
1393 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1395 * test/pass20-frag.c: New test file.
1396 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1397 * Makefile.in: Regenerated.
1399 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1400 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1401 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1402 entries to avoid repeat registration.
1403 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1404 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1406 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1408 * Makefile.am: Create test sources with #include, not cat>>.
1409 * Makefile.in: Regenerated.
1410 * test/buildtest.sh: Removed.
1411 * test/driver.c (abort_handler, main): Be quiet.
1413 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1415 * test/pass18-frag.c, pass19-frag.c: New tests.
1416 * Makefile.am (check): Run them. Rebuild test programs each time.
1417 * Makefile.in: Regenerated.
1419 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1421 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1422 overlapping object search.
1423 (__mf_violation): Likewise for nearby objects.
1424 Improve nearby-object listing.
1426 cleanup:
1427 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1428 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1430 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1432 alloca support:
1433 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1434 (HOOKOBJS): Add alloca-hook.o.
1435 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1436 style.
1437 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1438 (__mf_backtrace): Reimplement without using alloca.
1439 * Makefile.in: Regenerated.
1441 cleanup:
1442 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1443 Correct signedness bugs in length-tracking variables.
1444 * mf-impl.h: Make options unsigned.
1445 (CALL_WRAP): New macro to parallel CALL_REAL().
1446 (DECLARE): Remove erroneous ";" at end.
1447 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1448 formatting specs with %08lx. Correct several compiler warnings.
1450 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1452 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1454 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1456 libmudflap hook breakup:
1457 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1458 for libgcc_s.
1459 (TESTS): Make dependent on libmudflap.
1460 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1461 compiled from segments of mf-hooks.c.
1462 * mf-hooks.c: Corresponding changes: wrap each function in
1463 #ifdef/#endif.
1464 * Makefile.in: Regenerated.
1466 Heuristics reorganization:
1467 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1468 Remove these functions. Update callers.
1469 (__mf_heuristic_check): Incorporate all the various heuristics.
1470 Encode cacheability/retry judgement into trinary return value.
1471 Separate start-end logic into a separate fallback heuristic. Only
1472 register relevant /proc/self/map segments.
1473 * mf-impl.h: Corresponding changes.
1474 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1475 (__mf_init): Don't call __mf_init_heuristics.
1477 Tracing cleanup:
1478 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1479 "-verbose-trace" to emit all tracing messages other than those of
1480 basic public api. Eliminate some duplicate/excessive messages.
1481 * mf-runtime.h: Corresponding changes.
1483 2002-08-27 Graydon Hoare <graydon@redhat.com>
1485 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1486 and __real when compiled with -DPIC.
1487 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1488 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1489 * Makefile.in: Regenerate.
1491 2002-08-26 Graydon Hoare <graydon@redhat.com>
1493 * mf-impl.h: New file, private implementation header.
1494 * mf-runtime.h: Reorganize a bit.
1495 (CLAMPSZ): Fix arithmetic.
1496 (__MF_CACHE_MISS_P): Fix arithmetic.
1497 * mf-runtime.c: Reorganize a bit.
1498 (__mf_dynamic): New structure.
1499 (resolve_single_dynamic): New function.
1500 (__mf_resolve_dynamics): New function.
1501 (__mf_init): Initialize dynamic wrappers.
1502 * mf-hooks.c: Macro-ize __real calls.
1503 Clamp various bits of arithmetic.
1504 Add explicit __mf_check call contexts.
1505 * Makefile.am: Add dependencies on mf-impl.h
1506 * Makefile.in: Regenerate.
1507 * configure.in: Comment out shared override.
1508 * configure: Regenerate.
1510 2002-08-22 Graydon Hoare <graydon@redhat.com>
1512 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1513 (__mf_check): Re-inialize and check heuristics before violation.
1514 (__mf_register): Permit updating pure-guess regions.
1515 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1516 (__wrap_dlopen): New wrapper function.
1517 (__wrap_mmap): New wrapper function.
1518 (__wrap_munmap): New wrapper function.
1519 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1520 which are not stack addresses.
1521 (is_stack_address): New function.
1522 (__mf_init_heuristics): Save and restore state, always initialize with
1523 "starting" state.
1525 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1527 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1528 error. Pass location string.
1529 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1530 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1531 (__mf_process_opts): Apply some sanity checking for lc-mask.
1532 (__mf_check, __mf_violation): Take new location-string argument.
1533 Update callers to pass NULL if necessary.
1534 (__mf_backtrace): New smart backtracer function. Calls replace
1535 several ad-hoc blocks elsewhere.
1536 (__mf_describe_object): Remove bad reentrancy test. Improve
1537 tracing message.
1538 * mf-runtime.h: Corresponding changes. Public/private markup.
1539 (__MF_CACHE_MISS_P): New macro.
1541 2002-08-20 Graydon Hoare <graydon@redhat.com>
1543 * mf-runtime.h: New option: stack_bound (heuristic).
1544 Move some macros out of implementation files.
1545 * mf-runtime.c: New option string: -stack-bound.
1546 Unify recursion protection with hooks.
1547 Add more logging.
1548 (__mf_check): Call __mf_heuristic_check.
1549 (__mf_process_opts): Fix "no-" processing.
1550 * mf-heuristics.c (__mf_heuristic_check): New function.
1551 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1553 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1555 Option parsing improvements, region splitting bug fixes:
1556 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1557 * mf-runtime.h (heur_proc_map): New libmudflap option.
1558 * mf-runtime.c (__mf_set_default_options): Set it.
1559 (__mf_usage): Print default values/status.
1560 (__mf_process_opts): Support general "no-" option string prefix.
1561 (__mf_init): Print __mf_usage on unknown-option error.
1562 (__mf_register): Print trace message up front.
1563 Correct region splitting logic for case where a subregion disappears.
1564 Correct memory leak.
1565 (__mf_violation): Make even basic message conditional on option.
1567 Build cleanup:
1568 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1569 (clean-local): New target.
1570 (test/*x rules): Add -g CFLAGS.
1571 (CFLAGS): Add -freorder-blocks.
1572 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1573 * Makefile.in: Regenerated.
1574 * Makefile, mf-config.h: Removed files.
1576 2002-08-16 Graydon Hoare <graydon@redhat.com>
1578 * mf-runtime.c (__mf_insert_new_object): Factor out of
1579 __mf_register.
1580 (__mf_remove_old_object): Factor out of __mf_unregister.
1581 (__mf_register): Handle guessed regions, splitting
1582 guesses when new registrations arrive.
1583 (__mf_unregister): Do not unregister guesses.
1584 * mf-runtime.h: Move convenience macros around,
1585 declare new option fields. Add __MF_TYPE_GUESS.
1586 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1587 (__wrap_free): Call __real_free for deferred frees.
1588 * Makefile.am: Add more tests, fix dependency.
1589 * Makefile.in: Regenerate.
1590 * test/pass[13..17]-frag.c: New testcases.
1591 * test/fail[13..17]-frag.c: New testcases.
1593 2002-08-15 Graydon Hoare <graydon@redhat.com>
1595 * mf-heuristics.c: New file.
1596 * mf-runtime.c (options): Add -trace-calls option.
1597 (__mf_init): Call __mf_init_heuristics.
1599 2002-08-14 Graydon Hoare <graydon@redhat.com>
1601 * Makefile.am (TESTS): Add testsuite support.
1602 * Makefile.in: Regenerate.
1603 * test/mf-driver.c: New file.
1604 * test/buildtest.sh: New file.
1605 * test/passNN-frag.c: New testcases.
1606 * test/failNN-frag.c: New testcases.
1608 2002-08-14 Graydon Hoare <graydon@redhat.com>
1610 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1611 verifying non-size-limited string extents.
1613 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1615 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1616 instead of plain str[n]len for internal checks.
1617 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1619 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1621 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1623 2002-08-13 Graydon Hoare <graydon@redhat.com>
1625 * mf-runtime.c: Rework configuration to operate on
1626 environment variable options rather than #defines
1627 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1628 (__mf_init): Set static __mf_active_p flag on startup,
1629 to inhibit mudflap wrap-based checking during crt0.s.
1630 * mf-runtime.h: Declare options structure.
1631 * mf-hooks.c: New wrappings for mem*, b*, str*
1632 libc functions (temporarily #if 0-ed out).
1634 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1636 * Makefile.am, configure.in: New files.
1637 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1638 * stamp-h.in, aclocal.m4: Ditto.
1640 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1642 * Makefile: New file.
1643 * mf-config.h: New file: runtime configuration.
1644 * mf-hooks.c: New file: interposed libc functions.
1645 * mf-runtime.c: New file: bulk of runtime.
1646 * mf-runtime.h: New file: public functions.