1 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
3 * testsuite/libmudflap.c/fail8-frag.c: Adjust scan pattern for
5 * testsuite/libmudflap.c/fail9-frag.c: Ditto.
7 2008-01-24 David Edelsohn <edelsohn@gnu.org>
9 * configure: Regenerate.
11 2008-01-05 Jakub Jelinek <jakub@redhat.com>
13 PR tree-optimization/34618
14 * testsuite/libmudflap.c/pass62-frag.c: New test.
16 2008-01-03 Jakub Jelinek <jakub@redhat.com>
19 * testsuite/libmudflap.c++/pass61-frag.cxx: New test.
21 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
24 * testsuite/libmudflap.c++/pass60-frag.cxx: New test.
26 2007-10-15 Maciej W. Rozycki <macro@linux-mips.org>
28 * configure: Regenerate following changes to ../config/tls.m4.
30 2007-07-26 Tom Tromey <tromey@redhat.com>
32 * Makefile.in: Rebuilt.
33 * Makefile.am (clean-local): Removed.
34 (pth/mf-runtime.lo, pth/mf-heuristics.lo, pth/mf-hooks1.lo,
35 pth/mf-hooks2.lo, pth/mf-hooks3.lo): Likewise.
36 (libmudflapth_la_SOURCES): List sources.
37 (libmudflapth_la_LIBADD): Clear.
38 (libmudflapth_la_CFLAGS): New variable.
40 2007-07-05 H.J. Lu <hongjiu.lu@intel.com>
42 * aclocal.m4: Regenerated.
44 2007-06-02 Paolo Bonzini <bonzini@gnu.org>
46 * configure: Regenerate.
48 2007-05-31 Frank Ch. Eigler <fche@redhat.com>
50 From Andi Kleen <ak@suse.de>:
51 * mf-runtime.c (options): Rename structure for compatibility with
54 2007-05-23 Steve Ellcey <sje@cup.hp.com>
56 * Makefile.in: Regenerate.
57 * configure: Regenerate.
58 * aclocal.m4: Regenerate.
59 * testsuite/Makefile.in: Regenerate.
61 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
63 * testsuite/libmudflap.cth/pass59-frag.c (main): Fix casting of arg.
65 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
67 * Makefile.am: Add dummy install-pdf target.
68 * Makefile.in: Regenerate
70 2007-02-07 Jakub Jelinek <jakub@redhat.com>
73 * configure: Regenerate.
75 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
77 * configure: Regenerate.
79 2006-11-13 Daniel Jacobowitz <dan@codesourcery.com>
81 * configure: Regenerated.
83 2006-11-10 Frank Ch. Eigler <fche@redhat.com>
86 * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
87 static but not function scope static.
88 (free): Skip deallocation attempts for objects placed into
90 * testsuite/libmudflap.cth/pass59-frag.c: New test.
92 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
94 From Herman ten Brugge <hermantenbrugge@home.nl>:
95 * mf-runtime.c (__mf_uncache_object): Optimize the code so that
96 small and large objects are handled a lot faster.
98 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
100 * configure.ac (__libc_freeres): Look for it.
101 * mf-impl.h (call_libc_freeres): New configuration flag.
102 * mf-runtime.c (__mf_set_default_options): Set it by default.
103 (__mfu_report): Call it if needed.
104 (__mfu_unregister): Remove "unaccessed registered object" warning.
105 * configure, config.h.in: Regenerated.
107 2006-09-18 Tom Tromey <tromey@redhat.com>
109 * configure: Rebuilt.
111 2006-06-21 Frank Ch. Eigler <fche@redhat.com>
114 mf-runtime.h installation based on ssp patch for PR 26473 from
115 Mark Mitchell <mark@codesourcery.com>.
116 * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
117 * Makefile.am (target_noncanonical): Define.
118 (libsubincludedir): New variable.
119 (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
120 (include_HEADERS): Remove.
121 * configure, aclocal.m4, config.h.in: Regenerated.
122 * Makefile.in, testsuite/Makefile.in: Likewise.
123 * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
124 and _THREAD_SAFE redefinition values.
126 2006-05-23 Carlos O'Donell <carlos@codesourcery.com>
128 * Makefile.am: Add install-html target. Add install-html to .PHONY
129 * Makefile.in: Regenerate.
131 2006-04-19 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
134 * testsuite/libmudflap.c++/error1-frag.cxx: New test.
137 * testsuite/libmudflap.c++/error2-frag.cxx: New test.
139 2006-04-10 Matthias Klose <doko@debian.org>
141 * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
142 directory names containing underscores.
144 2005-11-22 Janis Johnson <janis187@us.ibm.com>
146 * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
147 MUDFLAP_FLAGS if static library not supported.
148 * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
149 * testsuite/libmudflap.c/externs.exp: Ditto.
150 * testsuite/libmudflap.c++/ctors.exp: Ditto.
151 * testsuite/libmudflap.c++/c++frags.exp: Ditto.
152 * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
154 2005-10-04 James E Wilson <wilson@specifix.com>
156 * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
157 $name as array of characters with unknown bound. Also store into the
159 * configure: Regenerate.
161 2005-09-30 James E. Wilson <wilson@specifix.com>
163 * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
165 (target_thread_file): New. Set from sed'ed gcc output.
166 (posix_threads): New. Set from target_thread_file. Use instead of
168 (pthread_create_version): Move initialization before code using it.
169 * configure: Regenerate.
171 * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
174 2005-09-29 James E. Wilson <wilson@specifix.com>
176 * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
177 with HAVE_MMAP ifdef.
179 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
182 * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
184 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
186 * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
188 2005-09-23 Tom Tromey <tromey@redhat.com>
190 * aclocal.m4, configure: Rebuilt.
191 * configure.ac: Use GCC_CHECK_TLS.
192 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
195 2005-08-22 Jim Wilson <wilson@specifix.com>
197 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
198 __FreeBSD__ is defined.
200 2005-08-17 Jim Wilson <wilson@specifix.com>
202 * mf-hooks1.c (malloc, calloc, realloc, free,
203 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
204 the real routines, and END_MALLOC_PROTECT afterwards.
205 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
206 (BEGIN_PROTECT): Handle in_malloc state.
207 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
208 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
210 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
212 * All files: Update FSF address.
214 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
216 * mf-hooks3.c (main_seen_p): Remove.
217 (__mf_get_state): Remove attempt to recognize the main thread.
219 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
221 * configure.ac: Test for the name of the symbol used for the entry
222 point; define ENTRY_POINT to the result.
223 * configure: Regenerate.
224 * config.h.in: Regenerate.
225 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
227 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
229 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
230 (__mf_init): Set thread state active.
231 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
233 (pthread_create wrapper): Always use thread spawner.
235 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
236 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
238 2005-07-16 Richard Henderson <rth@redhat.com>
240 * acinclude.m4: New file.
241 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
242 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
243 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
244 (__mf_0fn_calloc): ... here.
245 * mf-hooks3.c (struct pthread_info): Remove.
246 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
247 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
248 (struct mf_thread_data): New.
249 (mf_thread_data, mf_thread_data_lock): New.
250 (__mf_allocate_blank_threadinfo): Remove.
251 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
253 (__mf_state_perthread): Remove.
254 (__mf_get_state, __mf_set_state): New.
255 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
256 Update mf_thread_data killing procedure.
257 (__mf_pthread_spawner): Similarly.
258 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
259 code to allocate thread stack space.
260 (__mf_0fn_pthread_join, pthread_join): Remove.
261 (__mf_0fn_pthread_exit, pthread_exit): Remove.
262 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
263 (__mf_state_1): Rename from __mf_state; use TLS when available.
264 (__mf_get_state, __mf_set_state): New. Update all users.
265 * mf-runtime.c (begin_recursion_protect1): New.
266 (BEGIN_RECURSION_PROTECT): Use it.
267 (__mf_state_1): Rename from __mf_state; use TLS when available.
268 (threads_active_p): Remove.
269 (__mf_usage): Compute it directly.
271 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
273 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
275 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
277 Fix for uncaching bug reported by Herman ten Brugge.
278 * mf-runtime.c (__mf_uncache_object): Search whole cache.
279 * testsuite/libmudflap.c/fail40-frag.c: New test.
281 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
284 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
285 * Makefile.in: Amend.
287 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
290 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
291 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
293 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
296 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
298 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
301 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
302 unsigned vars with #defines instead of enums.
304 2005-05-09 Mike Stump <mrs@apple.com>
306 * configure: Regenerate.
308 2005-04-12 Mike Stump <mrs@apple.com>
310 * configure: Regenerate.
312 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
315 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
316 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
318 2005-04-04 Alan Modra <amodra@bigpond.net.au>
320 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
322 2005-03-31 Mike Stump <mrs@apple.com>
324 * mf-runtime.h: Add libmudflap copyright clause.
326 2005-03-21 Mike Stump <mrs@apple.com>
328 * mf-heuristics.c: Fix whitespace at end of line.
329 * mf-hooks1.c: Likewise.
330 * mf-hooks2.c: Likewise.
331 * mf-hooks3.c: Likewise.
332 * mf-impl.h: Likewise.
333 * mf-runtime.c: Likewise.
334 * mf-runtime.h: Likewise.
336 2005-03-21 Zack Weinberg <zack@codesourcery.com>
338 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
339 In all substitutions, expand gcc_version in Makefile.
340 * aclocal.m4, configure: Regenerate.
341 * Makefile.am: Set gcc_version.
342 * Makefile.in, testsuite/Makefile.in: Regenerate.
344 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
346 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
347 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
349 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
352 * testsuite/libmudflap.c++/pass55-frag.c: New test.
354 2005-01-05 Richard Henderson <rth@redhat.com>
356 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
358 2005-01-02 Greg McGary <greg@mcgary.org>
360 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
361 * mf-runtime.h: New file, replaces mf-runtime.h.in.
362 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
363 * Makefile.in: Ditto.
364 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
365 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
366 * testsuite/libmudflap.c/fail36-frag.c: New test.
367 * testsuite/libmudflap.c/fail37-frag.c: New test.
368 * testsuite/libmudflap.c/fail38-frag.c: New test.
370 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
372 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
373 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
375 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
377 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
378 * aclocal.m4: Include ../config/gcc-version.m4.
379 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
381 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
383 * Makefile.am: Define ACLOCAL_AMFLAGS.
384 * acinclude.m4: Remove.
385 * stamp-h.in: Remove superfluous stamp file.
386 * aclocal.m4, configure, Makefile.in: Regenerate.
387 * testsuite/Makefile.in: Likewise.
389 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
391 * Makefile.am: Revert previous.
392 * acinclude.m4: Restore.
393 * aclocal.m4, configure, Makefile.in: Regenerate.
394 * testsuite/Makefile.in: Likewise.
396 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
398 * Makefile.am: Define ACLOCAL_AMFLAGS.
399 * acinclude.m4: Remove.
400 * aclocal.m4, configure, Makefile.in: Regenerate.
401 * testsuite/Makefile.in: Likewise.
403 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
405 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
407 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
409 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
410 * testsuite/Makefile.in: Likewise.
412 2004-11-01 Andreas Schwab <schwab@suse.de>
414 * configure.ac: (target_alias): Default to $host_alias, not
416 * configure: Regenerated.
418 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
420 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
421 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
424 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
427 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
429 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
431 * configure.ac: Check for more headers, functions.
432 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
433 tracking overridden FILE buffers.
434 (fopen, setvbuf): New/revised hook functions for buffer overriding.
435 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
436 (fflush): Accept given NULL stream (means "all streams").
438 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
440 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
441 (__mf_adapt_cache): Use them all.
442 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
443 * testsuite/libmudflap.c++/ctors.exp: Ditto.
444 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
445 * configure, config.h.in: Regenerated.
447 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
449 * configure.ac: Checking for sys/socket.h once is enough.
450 * configure: Regenerated.
452 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
454 * configure.ac: Look for more headers & functions.
455 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
456 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
457 * mf-runtime.c (options): Clean up integer signedness warnings.
458 (main): Add a declaration to fix a warning.
459 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
460 * configure, config.h.in: Regenerated.
462 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
464 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
465 New tests for proper base/limit checking for aggregates.
467 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
469 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
471 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
473 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
474 * mf-hooks2.c (strerror): Unregister previous string returned by
476 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
477 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
478 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
479 * mf-runtime.c (__mf_describe_object): Clarify object life status.
480 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
482 * configure, config.h.in: Regenerated.
484 2004-08-03 Dale Johannesen <dalej@apple.com>
486 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
488 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
490 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
491 simplified contents in all former callers.
493 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
495 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
496 the statically linked case.
498 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
500 * splay-tree.[ch]: Remove. Merge contents into ...
501 * mf-runtime.c: ... here, renaming symbols and making all functions
502 static. Remove unused min/max functions.
503 * Makefile.am: Forget about splay-tree.[ch].
504 * Makefile.in, testsuite/Makefile.in: Regenerated.
506 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
508 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
509 (__mfu_usage): Include (C) 2004.
510 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
511 here. Include a comment explaining why.
513 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
515 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
516 * mf-runtime.c (options): Give them a name.
517 (__mf_set_default_options): Set them.
518 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
519 (__mf_violation): Warning cleanup.
520 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
521 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
523 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
526 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
529 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
531 Test case for g++/15861
532 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
533 * testsuite/libmudflap.c++/ctors.exp: Driver.
534 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
535 Look only for *frag* test cases.
537 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
539 ANSI C conversion, libmudflap specialization, recursion limiting.
540 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
541 argument and indirection function pointers, update callers.
542 (splay_tree_s): Add statistics and recursion control fields
543 num_keys, max_depth, depth, rebalance_p.
544 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
545 Back out of search if it exceeds limit.
546 (splay_tree_splay): Manage recursion limiting with rebalancing as
548 (splay_tree_new): More initialization.
549 (splay_tree_rebalance): New function.
550 (splay_tree_foreach): Rewrite using nonrecursive logic.
551 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
552 Remove. Point indirect calls to mf-runtime.c's routines.
553 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
555 (splay_tree_delete, splay_tree_delete_helper): Ditto.
556 * testsuite/heap-scalestress.c: New test based on one from
557 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
559 2004-07-05 Matthias Klose <doko@debian.org>
561 * libtool-version: New.
562 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
563 Use -version-info for soname.
564 * Makefile.in: Regenerate.
565 * configure.ac: Remove libtool_VERSION macro
566 * configure: Regenerate
568 2004-07-05 Zack Weinberg <zack@codesourcery.com>
570 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
571 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
574 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
576 Splay tree implementation fork.
577 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
578 Use hard-coded comparison function for uintptr_t. Remove key/value
579 deallocation logic. Cache last splayed key for consecutive lookups.
580 * Makefile.am, Makefile.in: Use them, don't link to them.
581 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
582 (__mf_find_objects2): Flip successor/predecessor search sequence.
583 * ansidecl.h, libiberty.h: Removed dummy files.
585 2004-06-29 Nick Clifton <nickc@redhat.com>
587 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
588 * configure: Regenerate.
589 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
591 Remove spurious inclusion of <strings.h>.
593 2004-06-29 Nick Clifton <nickc@redhat.com>
595 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
596 function actually exists.
598 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
600 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
601 * config.h.in: Regenerated.
603 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
605 Adopt splay trees for object database.
606 * Makefile.am: Copy splay-tree.* from libiberty.
607 * Makefile.in, testsuite/Makefile.in: Regenerated.
608 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
609 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
610 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
611 * mf-runtime.c: Rewrite code dealing with object database to use
612 libiberty splay trees. Remove tree liveness aging option.
613 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
615 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
617 * configure.ac: New name of configure.in. Update
618 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
619 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
620 Autoconf 2.5x and Automake 1.7 or later.
621 * configure.in: Remove.
622 * configure: Regenerate.
624 * Makefile.am: Remove useless multilib rules.
625 * Makefile.in: Regenerate.
627 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
629 * .cvsignore: New file.
631 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
634 * mf-hooks2.c (semctl): Add cygwin porting hack.
636 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
639 * configure.in: Look for ctype header and glibc implementation.
640 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
641 array hooks for glibc 2.3.
642 * mf-runtime.h.in: Wrap them.
643 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
645 * testsuite/libmudflap.c/pass47-frag.c: New test.
646 * configure, config.h.in: Regenerated.
648 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
650 Portability improvements, e.g., libmudflap/15293.
651 * configure.in: Look for glibc extension functions. Look for
652 support of -f{function,data}-sections. Look for more headers.
653 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
654 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
655 mf-hooks* into usual single object per source.
656 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
657 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
658 if system doesn't provide one.
659 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
660 (pthread_create): Use it to properly GC dead thread stacks.
661 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
662 * testsuite/Makefile.am: Stop generating site.exp.
663 * testsuite/mfconfig.exp.in: New file.
664 * testsuite/config/default.exp: Load new mfconfig.exp.
665 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
666 (prune_gcc_output): Add glibc static linking warnings.
667 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
668 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
669 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
670 Regenerated with autoconf 2.57 and automake 1.7.
672 2004-06-04 Per Bothner <per@bothner.com>
674 * configure.in (LIBMUDFLAPTH): Fix thinko.
676 * configure.in: Check for more headers.
677 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
679 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
680 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
682 2004-06-01 Andreas Jaeger <aj@suse.de>
684 * configure.in: Handle multilibs, support
685 --enable-version-specific-runtime-libs.
686 * Makefile.am (lib_LTLIBRARIES): Rename to ...
687 (toolexeclib_LTLIBRARIES): this for multilib support.
688 * Makefile.in: Regenerated.
689 * configure: Regenerated.
690 * aclocal.m4: Regenerated.
691 * config.h.in: Regenerated.
692 * testsuite/Makefile.in: Regenerated.
694 2004-06-01 Andreas Jaeger <aj@suse.de>
696 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
697 multilibs, using multilib directory instead of hardcoded path.
700 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
702 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
703 * Makefile.in: Ditto.
705 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
707 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
708 * aclocal.m4, configure: Rebuilt.
710 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
712 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
713 import some build settings from libstdc++-v3 testsuite_flags.
714 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
715 changes to pass test language.
717 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
718 quicker mode-nop handling.
720 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
722 * mf-impl.h: Added libgcc license header.
724 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
726 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
727 Added libgcc license header.
728 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
729 (pthread_create): Simplify stack allocation syntax.
731 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
733 * mf-hooks2.c: Support FreeBSD.
734 (WRAP_gets): Avoid gets().
735 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
736 test unimplemented mem/str calls on FreeBSD.
737 * testsuite/libmudflap.c/pass21-frag.c: Do not include
738 <alloca.h> on FreeBSD.
740 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
742 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
743 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
744 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
745 flags for static linking permutation.
746 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
747 some pthreads code that croaks on linux glibc tls.
749 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
751 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
753 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
755 * testsuite/libmudflap.c/pass44-frag.c: New test.
757 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
759 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
761 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
763 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
765 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
767 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
769 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
772 * configure.in: Add check for see if
773 socklen_t typedef is in sys/socket.h.
774 * mf-hooks1.c: Add define if socklen_t
776 * mf-hooks2.c: Likewise.
777 * mf-hooks3.c: Likewise.
778 * config.h.in: Regen.
781 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
783 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
784 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
786 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
787 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
788 (unoptimized) allocation of stack space.
790 2003-12-07 Richard Henderson <rth@redhat.com>
792 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
793 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
795 2003-12-06 Andrew Pinski <apinski@apple.com>
797 partial PR libmudflap/12670
798 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
799 * mf-hooks2.c: Likewise.
800 * mf-hooks3.c: Likewise.
802 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
805 * mf-runtime.h.in: Switch to #pragma redefine_extname for
806 symbols interposed at compile time.
807 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
810 * mf-hooks2.c (semctl): Tolerate FreeBSD.
812 * configure.in: Reorganize check for <pthread.h>.
813 * configure: Regenerated.
815 2003-11-04 David Edelsohn <edelsohn@gnu.org>
817 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
818 (_LARGE_FILE_API): Define for AIX.
819 * mf-hooks[123]: Same.
820 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
822 2003-10-21 David Edelsohn <edelsohn@gnu.org>
824 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
826 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
828 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
830 * configure.in: Update check for union semun.
832 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
835 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
837 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
840 * configure.in: Add checks for 64-bit LFS functions, struct semun
841 definition, for BSD compatibility.
842 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
843 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
844 * mf-hooks3.c: Ditto.
845 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
847 * configure, config.h.in: Regenerated.
849 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
851 Multithreading fixes:
852 * mf-runtime.c (__mf_object): Store allocating/deallocating
854 (options): Support new "-thread-stack" option.
855 Rename "-heur-argv-environ" option to "-heur-stdlib".
856 Disable "-lc-mask" and "-lc-shift" options.
857 (__mf_dynamic): Add function pointers for pthread_join/_exit.
858 (__assert_fail): New self-contained function for glibc.
859 * mf-hooks3.c: Essentially rewritten, particularly related to
860 use of __mf_pthread_info array.
861 (pthread_join, _exit): New hook functions.
862 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
863 * testsuite/libmudflap.cth/pass40-frag.c: New test.
866 * mf-heuristics.c: Add type casts for tracing, sub calls.
867 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
868 Update all callers to declare explicit result holder.
869 (END_PROTECT): Removed.
870 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
872 2003-07-15 Diego Novillo <dnovillo@redhat.com>
874 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
875 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
876 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
878 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
880 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
882 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
883 Move these macros from old mf-hooks.c here.
884 * Makefile.am: Adapt to split-up hook sources for faster builds.
885 * Makefile.in: Regenerated.
887 * mf-heuristics.c: Remove #if-0 block.
889 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
890 (__mf_starting_p): New state only for use while dlsym bootstrapping.
891 (CALL_REAL, __mf_init): Corresponding changes.
892 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
893 all callers to remove redundant "mf:" prefix.
894 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
895 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
896 (__mf_pthread_info): Become a hash table.
898 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
899 "dg-repetitions" directives to control test case execution.
900 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
902 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
904 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
906 * mf-hooks.c (alloca): Separate into stub.
907 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
908 malloc/free for alloca blocks.
909 (pthread_create): Tolerate failing pthread_attr_get* calls.
910 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
911 * mf-impl.h (CALL_WRAP): Remove macro.
912 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
913 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
914 padding for ia64 BIT_FIELD_REF constructs.
916 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
918 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
919 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
920 libmudflap object type.
921 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
922 crashes on unregistering STATIC objects.
924 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
926 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
927 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
928 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
929 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
930 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
931 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
932 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
933 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
934 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
935 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
936 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
937 (accept, bind, connect, gethostname, sethostname): New hooks.
938 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
939 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
940 (semop, semctl, shmctl, shmat, shmdt): New hooks.
941 * mf-runtime.h.in: Corresponding changes.
942 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
943 (opts) Rename heur_argv_environ to heur_std_data.
944 (__mf_wrap_main): Use STATIC type for argv/environ strings.
945 * Makefile.am: Corresponding changes.
946 * Makefile.in: Regenerated.
948 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
950 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
951 heuristic for threaded case, and for non-x86-linux targets.
952 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
953 for use during pre-main() program startup.
954 (__mf_0fn_*): Make these functions non-static.
955 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
957 * mf-runtime.c (__mf_state): Set initial state to "starting".
958 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
959 (__wrap_main): New function to register argv[] and environ[] strings.
961 (*): In all trace functions, use "%p" as formatter for uintptr_t.
963 * testsuite/libmudflap.c/pass38-frag.c: New test case.
964 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
966 * acinclude.m4: Add comments with aoliva's concerns about x86_64
968 * aclocal.m4, configure: Regenerated.
970 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
972 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
973 * aclocal.m4, configure: Regenerated.
975 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
977 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
978 for x86_64 target. Disable caching for this value.
979 * aclocal.m4, configure: Regenerated.
981 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
983 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
984 is about to become deprecated, and its present handling bugs are
987 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
989 * testsuite/libmudflap.c/pass38-frag.c: New test for
992 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
994 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
995 __mf_report, asserting reentrant calling context.
997 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
999 * mf-hooks.c (realloc): Correct reentrancy logic.
1000 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
1002 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
1004 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
1005 PTHREAD_THREADS_MAX. Update users.
1006 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
1008 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
1009 with libmudflapth presence indicator.
1010 * testsuite/Makefile.in: Regenerated.
1012 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
1014 * Makefile.am (AM_CFLAGS): Remove "-ansi".
1015 * configure.in: Remove silly no-pthreads => no-shared logic.
1016 * Makefile.in, configure: Regenerated.
1017 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
1018 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
1019 code. Count reentrancy events.
1020 (all hook functions): Don't directly manipulate __mf_state variable.
1021 Add TRACE calls to hook functions without them.
1022 * mf-impl.h (LOCKTH): Try to count lock contention events.
1023 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
1024 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
1025 Reorganize reentrancy code.
1026 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
1027 identify reentrancy with mutex holding times.
1028 (internal __mfu_ entry points): Remove internal reentrancy code.
1029 (__mf_init): Use ordinary locked calls.
1030 (__mfu_report): Print the two new counts.
1031 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
1032 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
1033 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
1034 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
1037 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
1039 * configure.in: Add pthread support, plus glibc and porting hacks.
1040 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
1041 from objects built into ./pth/.
1042 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
1043 functions for internal entry points. Update callers to pick
1044 locked vs. unlocked variants.
1045 (__mf_resolve_single_dynamic): Extend to support symbol versioning
1046 info coming in from a static data structure.
1047 (*): Reorder miscellaneous declarations to group data vs functions.
1048 (__mf_set_default_options): Simplify.
1049 (__mf_usage): Mention threading status of host executable.
1050 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
1051 decls to match above.
1052 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
1053 * mf-heuristics.c: Choose between locked/unlocked calls. Add
1054 some lock/unlock markers. Remove some unused code.
1056 (pthread_create): New hook function.
1057 (__mf_pthread_cleanup, _spawner): New helper functions.
1058 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
1060 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
1062 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
1064 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
1066 * Makefile.am (HOOKOBJS): Add *time related hooks.
1067 * configure.in: Look for pthreads.h header.
1068 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
1069 * mf-runtime.c: Begin sketching some pthreads support.
1070 (__mf_usage): Check for -lpthread presence.
1071 (__mf_unregister): Confirm matching unregistration base.
1072 (__mf_find_objects_rec): Reduce unnecessary recursion.
1073 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
1074 #defines for new hook functions.
1075 * mf-impl.h: Corresponding changes.
1076 * config.h.in, configure, Makefile.in: Regenerated.
1078 2002-04-27 Diego Novillo <dnovillo@redhat.com>
1080 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
1081 modifiers to prevent being optimized away.
1082 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
1083 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1084 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
1085 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1086 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
1087 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
1088 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
1090 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1092 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1093 * configure.in: Look for uintptr_t and -ldl on target.
1094 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1095 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1096 * testsuite/Makefile.in: Regenerated.
1097 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1098 for better C compliance.
1100 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1102 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1104 * mf-runtime.c (__mf_set_default_options): Turn off
1105 check-initialization.
1106 (__mf_describe_object): Shorten description.
1107 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1109 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
1111 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1113 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
1115 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1117 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1118 * mf-impl.h (CALL_BACKUP): New macros.
1119 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1121 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
1123 * Makefile.am (AM_CFLAGS): Remove optimization flags.
1124 (HOOKOBJS): Remove dlopen hook.
1125 (libmudflap_la_LIBADD): Add -ldl.
1126 * mf-hooks.c (dlopen): Remove hook.
1127 * mf-impl.h (__mf_dynamic): Ditto.
1128 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1129 * Makefile.in: Regenerated.
1131 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
1133 * configure.in: Check for target gettimeofday, signal, some headers.
1134 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
1135 out inop multi_threaded field.
1136 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1137 (__mf_set_options): Correct handling of "-help".
1138 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1139 (__mf_check, __mf_register, __mf_unregister): Call it.
1140 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1141 (__mf_report_leaks): Make callable
1142 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
1143 distribution statistics.
1144 (__mf_adapt_cache): Rewrite shift guessing logic based on address
1146 * config.h.in, configure: Regenerated.
1147 * testsuite/libmudflap.c/fail27-frag.c: New test.
1148 * testsuite/libmudflap.c/pass36-frag.c: New test.
1150 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
1152 * mf-runtime.h.in: Tweak.
1153 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1154 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1155 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1157 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1159 * configure.in: Tweak generation of mf-runtime.h some more. It
1160 needs to work from both config.status and configure.
1161 * configure: Regenerated.
1163 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1165 * Makefile.am: Reorganize hook file building. Add auto dependencies.
1166 * configure.in: Tweak generation of mf-runtime.h.
1167 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1168 * mf-hooks.c (*): Adapt to initialized-heap object type.
1169 * mf-impl.h: Tweak cemetary boundaries.
1170 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1172 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1173 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1174 * testsuite/lib/libmudflap.exp (includes): Include build tree.
1175 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1177 * testsuite/.../fail{25,26}-frag.c: New tests.
1178 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1179 * Makefile.in, configure: Regenerated.
1181 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1183 * mf-runtime.c (__mf_set_default_options): Turn on initialization
1184 checking by default.
1185 (__mf_insert_new_object): As a temporary hack, assume that new
1186 objects registered on the stack start out initialized.
1187 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1188 heap objects by hand.
1190 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1192 Switch to macro-style hooks for str*/mem*/b* functions.
1193 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1194 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1195 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1196 (__mf_set_default_options): Turn off heur_proc_map.
1197 (*): Adapt to to macro-style hook functions.
1198 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1199 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1200 (__mf_violation): Handle __MF_VIOL_WATCH.
1201 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1202 (__mf_dynamic): Removed mem*/str*/b* functions.
1203 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1204 (WRAPPER2): New macro for macro-style hooks.
1205 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1207 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1208 * mf-heuristics.c: Adapt to macro-style hook functions.
1209 Correct some comments.
1210 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1211 output pattern tests.
1212 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1213 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1215 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1217 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1218 for global array registration.
1219 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1220 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1222 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1224 * Makefile.am: Add gross make bug workarounds. Tweaked
1225 SUBDIRS and AM_CFLAGS.
1226 * Makefile.in: Regenerated.
1228 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1231 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1232 * Makefile.am (TESTS): Remove simple automake testing.
1233 * configure, Makefile.in: Regenerated.
1234 (SUBDIRS): Include new testsuite/ directory.
1235 * tests/*: Removed all files; moved bulk under:
1236 * testsuite/*: New subdirectory tree.
1237 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1238 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1239 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1240 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1241 * testsuite/config/default.exp: New file.
1242 * testsuite/Makefile.am, Makefile.in: New files.
1244 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1246 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1247 (TESTS): Add fail22 and pass29 tests.
1248 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1249 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1250 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1251 values. Move __MF_VIOL* here.
1252 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1253 (check_initialization): New field in __mf_opts. Default off.
1254 (read_count,write_count): New fields in __mf_object.
1255 (__mf_check): Implement basic initialization checking.
1256 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1257 (__mf_describe_object): Print new fields.
1258 (__mf_violation): Identify check/read vs. check/write in messages.
1259 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1260 "-check-initialized" mudflap option.
1261 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1262 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1263 Drop __FILE__/__LINE__ hack. Update callers.
1264 (*): Adapt to new mf-runtime.h API.
1265 * Makefile.in: regenerated.
1267 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1269 * configure.in: Build mf-runtime.h a more proper way.
1270 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1271 * mf-runtime.c (verbose_violations): Turn on by default.
1272 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1273 * mf-impl.h: ... and move it here.
1274 * configure: Regenerated.
1276 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1278 * configure.in: Look for C++ compiler.
1279 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1280 fixed type warnings when built with C++.
1281 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1282 * Makefile.am (TESTS): Run them.
1283 (*) Add new rules for building and running C++ tests.
1284 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1285 * mf-runtime.h.in: Protect with extern "C".
1286 * Makefile, configure: Regenerated.
1288 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1290 Portability improvements.
1291 * configure.in: Look for glibc backtrace headers/functions.
1292 * mf-hooks.c: Don't include <execinfo.h> any more.
1293 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1295 (__mf_backtrace): Provide alternate baby implementation in
1297 * test/mf-driver.c: Portability tweaks.
1298 * acinclude.m4: New file, containing top level libtool.m4.
1299 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1301 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1303 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1305 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1307 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1309 (__mf_unregister): Implement stack/heap object wiping.
1310 (__mf_set_options): Renamed from __mf_process_opts.
1311 (__mf_uncache_object): Change arg type, correct callers.
1312 * mf-impl.h: Corresponding changes.
1313 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1314 * mf-runtime.h.in (__mf_set_options): Extend public API.
1315 * test/pass26-frag.c: New test for stack wiping.
1316 * Makefile.am (TESTS): Run it.
1317 * Makefile.in: Regenerated.
1319 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1321 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1322 * mf-runtime.c (__mf_object_t): Add watching_p field.
1323 (__mf_watch_or_not): New function to implement
1324 object watch flagging.
1325 (__mf_watch, __mf_unwatch): New wrappers for above.
1326 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1327 (__mf_count_violation): Enlarge array.
1328 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1329 unlink object. Clear cache properly.
1330 (__mf_unregister): Unlink object explicitly before uncaching.
1331 * test/fail21-frag.c, pass25-frag.c: New tests.
1332 * Makefile.in, aclocal.m4: Regenerated.
1334 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1336 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1337 * Makefile.am (TESTS): Add it.
1338 * test/pass-stratcliff.c: Add decls of stpcpy.
1339 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1340 build tree from config.h and new file mf-runtime.h.in.
1341 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1342 * Makefile.in, configure, config.h.in: Regenerated.
1343 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1344 * mf-runtime.c (options, __mf_set_default_options): Support new
1345 default "abbreviate" option.
1346 (__mf_object.description_epoch): New field.
1347 (__mf_describe_object): Conditionally abbreviate objects already
1348 displayed in current epoch. Accept NULL input to increment epoch.
1349 (__mf_fini, __mf_ini): Reset description epoch.
1350 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1351 that NULL pointer slot in lookup cache is invalidated. Register a
1352 NOACCESS region around NULL.
1353 * mf-impl.h: Corresponding changes.
1355 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1357 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1358 * Makefile.am: Run them. Install mf-runtime.h.
1359 * Makefile.in: Regenerated.
1360 * mf-hooks.c: Add some markers for more missing functions.
1361 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1362 statistic to tune tune cache size (mask).
1364 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1366 * test/pass23-frag.c: New test for bit_field_ref expressions.
1367 * Makefile.am, Makefile.in: Add new test.
1368 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1369 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1370 * mf-runtime.c (__mf_init): Register errno global.
1371 (__mf_find_object): Removed function.
1372 (__mf_check): Rewrite logic to support accesses across some
1373 contiguous but distinctly registered objects.
1374 (__mf_remove_old_object): Tolerate cache entries that span
1377 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1379 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1380 * Makefile.am, Makefile.in: Run new tests.
1381 * mf-hooks.c (alloca): Correct stack direction logic.
1383 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1385 * mf-impl.h (adapt_cache): New option.
1386 * mf-runtime.c (__mf_set_default_options): Set its default value.
1387 Tweak the tree_aging parameter down.
1388 (__mf_check): Maintain separate counter for cache-adaptation.
1389 (__mf_tree_analyze): New function to collect object tree stats.
1390 (__mf_adapt_cache): New function to automate cache parameters.
1392 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1394 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1395 hypothetical #if-0'd argv/envp region registration.
1396 * mf-runtime.c (__mf_init): Add kludged form of above.
1397 (*) Add "heur_argv_environ" flag, default on, to govern this.
1398 * mf-impl.h: Corresponding changes.
1400 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1402 * test/fail18-frag.c: New test file for NOACCESS regions.
1403 * Makefile.am (TESTS): Add new test.
1404 * Makefile.in: Regenerated.
1406 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1407 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1408 (optimize_object_tree): Remove unused mudflap_option.
1409 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1410 support throughout. Use .._MAX_CEM for cemetary upper bound.
1411 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1413 (__mf_object): Add new liveness field for use by tree aging.
1414 (__mf_check): Trigger tree aging when needed.
1415 (__mf_age_tree): New function to decay liveness field.
1416 (__mf_find_objects_rec): Use liveness field to rotate tree.
1417 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1418 (__mf_unregister): Ditto.
1419 (__mf_register): Tweak duplicate-static message.
1420 (__mf_violation: Tweak nearby-object counter printing.
1422 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1424 * test/pass20-frag.c: New test file.
1425 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1426 * Makefile.in: Regenerated.
1428 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1429 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1430 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1431 entries to avoid repeat registration.
1432 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1433 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1435 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1437 * Makefile.am: Create test sources with #include, not cat>>.
1438 * Makefile.in: Regenerated.
1439 * test/buildtest.sh: Removed.
1440 * test/driver.c (abort_handler, main): Be quiet.
1442 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1444 * test/pass18-frag.c, pass19-frag.c: New tests.
1445 * Makefile.am (check): Run them. Rebuild test programs each time.
1446 * Makefile.in: Regenerated.
1448 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1450 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1451 overlapping object search.
1452 (__mf_violation): Likewise for nearby objects.
1453 Improve nearby-object listing.
1456 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1457 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1459 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1462 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1463 (HOOKOBJS): Add alloca-hook.o.
1464 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1466 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1467 (__mf_backtrace): Reimplement without using alloca.
1468 * Makefile.in: Regenerated.
1471 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1472 Correct signedness bugs in length-tracking variables.
1473 * mf-impl.h: Make options unsigned.
1474 (CALL_WRAP): New macro to parallel CALL_REAL().
1475 (DECLARE): Remove erroneous ";" at end.
1476 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1477 formatting specs with %08lx. Correct several compiler warnings.
1479 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1481 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1483 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1485 libmudflap hook breakup:
1486 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1488 (TESTS): Make dependent on libmudflap.
1489 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1490 compiled from segments of mf-hooks.c.
1491 * mf-hooks.c: Corresponding changes: wrap each function in
1493 * Makefile.in: Regenerated.
1495 Heuristics reorganization:
1496 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1497 Remove these functions. Update callers.
1498 (__mf_heuristic_check): Incorporate all the various heuristics.
1499 Encode cacheability/retry judgement into trinary return value.
1500 Separate start-end logic into a separate fallback heuristic. Only
1501 register relevant /proc/self/map segments.
1502 * mf-impl.h: Corresponding changes.
1503 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1504 (__mf_init): Don't call __mf_init_heuristics.
1507 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1508 "-verbose-trace" to emit all tracing messages other than those of
1509 basic public api. Eliminate some duplicate/excessive messages.
1510 * mf-runtime.h: Corresponding changes.
1512 2002-08-27 Graydon Hoare <graydon@redhat.com>
1514 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1515 and __real when compiled with -DPIC.
1516 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1517 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1518 * Makefile.in: Regenerate.
1520 2002-08-26 Graydon Hoare <graydon@redhat.com>
1522 * mf-impl.h: New file, private implementation header.
1523 * mf-runtime.h: Reorganize a bit.
1524 (CLAMPSZ): Fix arithmetic.
1525 (__MF_CACHE_MISS_P): Fix arithmetic.
1526 * mf-runtime.c: Reorganize a bit.
1527 (__mf_dynamic): New structure.
1528 (resolve_single_dynamic): New function.
1529 (__mf_resolve_dynamics): New function.
1530 (__mf_init): Initialize dynamic wrappers.
1531 * mf-hooks.c: Macro-ize __real calls.
1532 Clamp various bits of arithmetic.
1533 Add explicit __mf_check call contexts.
1534 * Makefile.am: Add dependencies on mf-impl.h
1535 * Makefile.in: Regenerate.
1536 * configure.in: Comment out shared override.
1537 * configure: Regenerate.
1539 2002-08-22 Graydon Hoare <graydon@redhat.com>
1541 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1542 (__mf_check): Re-inialize and check heuristics before violation.
1543 (__mf_register): Permit updating pure-guess regions.
1544 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1545 (__wrap_dlopen): New wrapper function.
1546 (__wrap_mmap): New wrapper function.
1547 (__wrap_munmap): New wrapper function.
1548 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1549 which are not stack addresses.
1550 (is_stack_address): New function.
1551 (__mf_init_heuristics): Save and restore state, always initialize with
1554 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1556 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1557 error. Pass location string.
1558 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1559 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1560 (__mf_process_opts): Apply some sanity checking for lc-mask.
1561 (__mf_check, __mf_violation): Take new location-string argument.
1562 Update callers to pass NULL if necessary.
1563 (__mf_backtrace): New smart backtracer function. Calls replace
1564 several ad-hoc blocks elsewhere.
1565 (__mf_describe_object): Remove bad reentrancy test. Improve
1567 * mf-runtime.h: Corresponding changes. Public/private markup.
1568 (__MF_CACHE_MISS_P): New macro.
1570 2002-08-20 Graydon Hoare <graydon@redhat.com>
1572 * mf-runtime.h: New option: stack_bound (heuristic).
1573 Move some macros out of implementation files.
1574 * mf-runtime.c: New option string: -stack-bound.
1575 Unify recursion protection with hooks.
1577 (__mf_check): Call __mf_heuristic_check.
1578 (__mf_process_opts): Fix "no-" processing.
1579 * mf-heuristics.c (__mf_heuristic_check): New function.
1580 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1582 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1584 Option parsing improvements, region splitting bug fixes:
1585 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1586 * mf-runtime.h (heur_proc_map): New libmudflap option.
1587 * mf-runtime.c (__mf_set_default_options): Set it.
1588 (__mf_usage): Print default values/status.
1589 (__mf_process_opts): Support general "no-" option string prefix.
1590 (__mf_init): Print __mf_usage on unknown-option error.
1591 (__mf_register): Print trace message up front.
1592 Correct region splitting logic for case where a subregion disappears.
1593 Correct memory leak.
1594 (__mf_violation): Make even basic message conditional on option.
1597 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1598 (clean-local): New target.
1599 (test/*x rules): Add -g CFLAGS.
1600 (CFLAGS): Add -freorder-blocks.
1601 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1602 * Makefile.in: Regenerated.
1603 * Makefile, mf-config.h: Removed files.
1605 2002-08-16 Graydon Hoare <graydon@redhat.com>
1607 * mf-runtime.c (__mf_insert_new_object): Factor out of
1609 (__mf_remove_old_object): Factor out of __mf_unregister.
1610 (__mf_register): Handle guessed regions, splitting
1611 guesses when new registrations arrive.
1612 (__mf_unregister): Do not unregister guesses.
1613 * mf-runtime.h: Move convenience macros around,
1614 declare new option fields. Add __MF_TYPE_GUESS.
1615 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1616 (__wrap_free): Call __real_free for deferred frees.
1617 * Makefile.am: Add more tests, fix dependency.
1618 * Makefile.in: Regenerate.
1619 * test/pass[13..17]-frag.c: New testcases.
1620 * test/fail[13..17]-frag.c: New testcases.
1622 2002-08-15 Graydon Hoare <graydon@redhat.com>
1624 * mf-heuristics.c: New file.
1625 * mf-runtime.c (options): Add -trace-calls option.
1626 (__mf_init): Call __mf_init_heuristics.
1628 2002-08-14 Graydon Hoare <graydon@redhat.com>
1630 * Makefile.am (TESTS): Add testsuite support.
1631 * Makefile.in: Regenerate.
1632 * test/mf-driver.c: New file.
1633 * test/buildtest.sh: New file.
1634 * test/passNN-frag.c: New testcases.
1635 * test/failNN-frag.c: New testcases.
1637 2002-08-14 Graydon Hoare <graydon@redhat.com>
1639 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1640 verifying non-size-limited string extents.
1642 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1644 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1645 instead of plain str[n]len for internal checks.
1646 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1648 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1650 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1652 2002-08-13 Graydon Hoare <graydon@redhat.com>
1654 * mf-runtime.c: Rework configuration to operate on
1655 environment variable options rather than #defines
1656 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1657 (__mf_init): Set static __mf_active_p flag on startup,
1658 to inhibit mudflap wrap-based checking during crt0.s.
1659 * mf-runtime.h: Declare options structure.
1660 * mf-hooks.c: New wrappings for mem*, b*, str*
1661 libc functions (temporarily #if 0-ed out).
1663 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1665 * Makefile.am, configure.in: New files.
1666 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1667 * stamp-h.in, aclocal.m4: Ditto.
1669 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1671 * Makefile: New file.
1672 * mf-config.h: New file: runtime configuration.
1673 * mf-hooks.c: New file: interposed libc functions.
1674 * mf-runtime.c: New file: bulk of runtime.
1675 * mf-runtime.h: New file: public functions.