1 2008-09-15 Jakub Jelinek <jakub@redhat.com>
4 * testsuite/libmudflap.c/pass64-frag.c: New test.
6 2008-06-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8 * Makefile.in: Regenerate.
9 * config.h.in: Regenerate.
10 * configure: Regenerate.
11 * testsuite/Makefile.in: Regenerate.
13 2008-04-18 Paolo Bonzini <bonzini@gnu.org>
16 * aclocal.m4: Regenerate.
17 * configure: Regenerate.
19 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
21 * testsuite/libmudflap.c/pass63-frag.c: New test.
23 2008-03-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
25 * aclocal.m4: Regenerate.
26 * configure: Likewise.
27 * Makefile.in: Likewise.
28 * testsuite/Makefile.in: Likewise.
30 2008-03-02 Jakub Jelinek <jakub@redhat.com>
32 * mf-runtime.c (__mf_usage): Update copyright notice dates.
34 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
36 * testsuite/libmudflap.c/fail8-frag.c: Adjust scan pattern for
38 * testsuite/libmudflap.c/fail9-frag.c: Ditto.
40 2008-01-24 David Edelsohn <edelsohn@gnu.org>
42 * configure: Regenerate.
44 2008-01-05 Jakub Jelinek <jakub@redhat.com>
46 PR tree-optimization/34618
47 * testsuite/libmudflap.c/pass62-frag.c: New test.
49 2008-01-03 Jakub Jelinek <jakub@redhat.com>
52 * testsuite/libmudflap.c++/pass61-frag.cxx: New test.
54 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
57 * testsuite/libmudflap.c++/pass60-frag.cxx: New test.
59 2007-10-15 Maciej W. Rozycki <macro@linux-mips.org>
61 * configure: Regenerate following changes to ../config/tls.m4.
63 2007-07-26 Tom Tromey <tromey@redhat.com>
65 * Makefile.in: Rebuilt.
66 * Makefile.am (clean-local): Removed.
67 (pth/mf-runtime.lo, pth/mf-heuristics.lo, pth/mf-hooks1.lo,
68 pth/mf-hooks2.lo, pth/mf-hooks3.lo): Likewise.
69 (libmudflapth_la_SOURCES): List sources.
70 (libmudflapth_la_LIBADD): Clear.
71 (libmudflapth_la_CFLAGS): New variable.
73 2007-07-05 H.J. Lu <hongjiu.lu@intel.com>
75 * aclocal.m4: Regenerated.
77 2007-06-02 Paolo Bonzini <bonzini@gnu.org>
79 * configure: Regenerate.
81 2007-05-31 Frank Ch. Eigler <fche@redhat.com>
83 From Andi Kleen <ak@suse.de>:
84 * mf-runtime.c (options): Rename structure for compatibility with
87 2007-05-23 Steve Ellcey <sje@cup.hp.com>
89 * Makefile.in: Regenerate.
90 * configure: Regenerate.
91 * aclocal.m4: Regenerate.
92 * testsuite/Makefile.in: Regenerate.
94 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
96 * testsuite/libmudflap.cth/pass59-frag.c (main): Fix casting of arg.
98 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
100 * Makefile.am: Add dummy install-pdf target.
101 * Makefile.in: Regenerate
103 2007-02-07 Jakub Jelinek <jakub@redhat.com>
106 * configure: Regenerate.
108 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
110 * configure: Regenerate.
112 2006-11-13 Daniel Jacobowitz <dan@codesourcery.com>
114 * configure: Regenerated.
116 2006-11-10 Frank Ch. Eigler <fche@redhat.com>
119 * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
120 static but not function scope static.
121 (free): Skip deallocation attempts for objects placed into
123 * testsuite/libmudflap.cth/pass59-frag.c: New test.
125 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
127 From Herman ten Brugge <hermantenbrugge@home.nl>:
128 * mf-runtime.c (__mf_uncache_object): Optimize the code so that
129 small and large objects are handled a lot faster.
131 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
133 * configure.ac (__libc_freeres): Look for it.
134 * mf-impl.h (call_libc_freeres): New configuration flag.
135 * mf-runtime.c (__mf_set_default_options): Set it by default.
136 (__mfu_report): Call it if needed.
137 (__mfu_unregister): Remove "unaccessed registered object" warning.
138 * configure, config.h.in: Regenerated.
140 2006-09-18 Tom Tromey <tromey@redhat.com>
142 * configure: Rebuilt.
144 2006-06-21 Frank Ch. Eigler <fche@redhat.com>
147 mf-runtime.h installation based on ssp patch for PR 26473 from
148 Mark Mitchell <mark@codesourcery.com>.
149 * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
150 * Makefile.am (target_noncanonical): Define.
151 (libsubincludedir): New variable.
152 (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
153 (include_HEADERS): Remove.
154 * configure, aclocal.m4, config.h.in: Regenerated.
155 * Makefile.in, testsuite/Makefile.in: Likewise.
156 * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
157 and _THREAD_SAFE redefinition values.
159 2006-05-23 Carlos O'Donell <carlos@codesourcery.com>
161 * Makefile.am: Add install-html target. Add install-html to .PHONY
162 * Makefile.in: Regenerate.
164 2006-04-19 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
167 * testsuite/libmudflap.c++/error1-frag.cxx: New test.
170 * testsuite/libmudflap.c++/error2-frag.cxx: New test.
172 2006-04-10 Matthias Klose <doko@debian.org>
174 * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
175 directory names containing underscores.
177 2005-11-22 Janis Johnson <janis187@us.ibm.com>
179 * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
180 MUDFLAP_FLAGS if static library not supported.
181 * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
182 * testsuite/libmudflap.c/externs.exp: Ditto.
183 * testsuite/libmudflap.c++/ctors.exp: Ditto.
184 * testsuite/libmudflap.c++/c++frags.exp: Ditto.
185 * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
187 2005-10-04 James E Wilson <wilson@specifix.com>
189 * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
190 $name as array of characters with unknown bound. Also store into the
192 * configure: Regenerate.
194 2005-09-30 James E. Wilson <wilson@specifix.com>
196 * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
198 (target_thread_file): New. Set from sed'ed gcc output.
199 (posix_threads): New. Set from target_thread_file. Use instead of
201 (pthread_create_version): Move initialization before code using it.
202 * configure: Regenerate.
204 * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
207 2005-09-29 James E. Wilson <wilson@specifix.com>
209 * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
210 with HAVE_MMAP ifdef.
212 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
215 * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
217 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
219 * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
221 2005-09-23 Tom Tromey <tromey@redhat.com>
223 * aclocal.m4, configure: Rebuilt.
224 * configure.ac: Use GCC_CHECK_TLS.
225 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
228 2005-08-22 Jim Wilson <wilson@specifix.com>
230 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
231 __FreeBSD__ is defined.
233 2005-08-17 Jim Wilson <wilson@specifix.com>
235 * mf-hooks1.c (malloc, calloc, realloc, free,
236 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
237 the real routines, and END_MALLOC_PROTECT afterwards.
238 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
239 (BEGIN_PROTECT): Handle in_malloc state.
240 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
241 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
243 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
245 * All files: Update FSF address.
247 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
249 * mf-hooks3.c (main_seen_p): Remove.
250 (__mf_get_state): Remove attempt to recognize the main thread.
252 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
254 * configure.ac: Test for the name of the symbol used for the entry
255 point; define ENTRY_POINT to the result.
256 * configure: Regenerate.
257 * config.h.in: Regenerate.
258 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
260 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
262 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
263 (__mf_init): Set thread state active.
264 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
266 (pthread_create wrapper): Always use thread spawner.
268 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
269 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
271 2005-07-16 Richard Henderson <rth@redhat.com>
273 * acinclude.m4: New file.
274 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
275 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
276 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
277 (__mf_0fn_calloc): ... here.
278 * mf-hooks3.c (struct pthread_info): Remove.
279 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
280 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
281 (struct mf_thread_data): New.
282 (mf_thread_data, mf_thread_data_lock): New.
283 (__mf_allocate_blank_threadinfo): Remove.
284 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
286 (__mf_state_perthread): Remove.
287 (__mf_get_state, __mf_set_state): New.
288 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
289 Update mf_thread_data killing procedure.
290 (__mf_pthread_spawner): Similarly.
291 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
292 code to allocate thread stack space.
293 (__mf_0fn_pthread_join, pthread_join): Remove.
294 (__mf_0fn_pthread_exit, pthread_exit): Remove.
295 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
296 (__mf_state_1): Rename from __mf_state; use TLS when available.
297 (__mf_get_state, __mf_set_state): New. Update all users.
298 * mf-runtime.c (begin_recursion_protect1): New.
299 (BEGIN_RECURSION_PROTECT): Use it.
300 (__mf_state_1): Rename from __mf_state; use TLS when available.
301 (threads_active_p): Remove.
302 (__mf_usage): Compute it directly.
304 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
306 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
308 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
310 Fix for uncaching bug reported by Herman ten Brugge.
311 * mf-runtime.c (__mf_uncache_object): Search whole cache.
312 * testsuite/libmudflap.c/fail40-frag.c: New test.
314 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
317 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
318 * Makefile.in: Amend.
320 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
323 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
324 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
326 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
329 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
331 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
334 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
335 unsigned vars with #defines instead of enums.
337 2005-05-09 Mike Stump <mrs@apple.com>
339 * configure: Regenerate.
341 2005-04-12 Mike Stump <mrs@apple.com>
343 * configure: Regenerate.
345 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
348 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
349 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
351 2005-04-04 Alan Modra <amodra@bigpond.net.au>
353 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
355 2005-03-31 Mike Stump <mrs@apple.com>
357 * mf-runtime.h: Add libmudflap copyright clause.
359 2005-03-21 Mike Stump <mrs@apple.com>
361 * mf-heuristics.c: Fix whitespace at end of line.
362 * mf-hooks1.c: Likewise.
363 * mf-hooks2.c: Likewise.
364 * mf-hooks3.c: Likewise.
365 * mf-impl.h: Likewise.
366 * mf-runtime.c: Likewise.
367 * mf-runtime.h: Likewise.
369 2005-03-21 Zack Weinberg <zack@codesourcery.com>
371 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
372 In all substitutions, expand gcc_version in Makefile.
373 * aclocal.m4, configure: Regenerate.
374 * Makefile.am: Set gcc_version.
375 * Makefile.in, testsuite/Makefile.in: Regenerate.
377 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
379 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
380 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
382 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
385 * testsuite/libmudflap.c++/pass55-frag.c: New test.
387 2005-01-05 Richard Henderson <rth@redhat.com>
389 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
391 2005-01-02 Greg McGary <greg@mcgary.org>
393 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
394 * mf-runtime.h: New file, replaces mf-runtime.h.in.
395 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
396 * Makefile.in: Ditto.
397 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
398 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
399 * testsuite/libmudflap.c/fail36-frag.c: New test.
400 * testsuite/libmudflap.c/fail37-frag.c: New test.
401 * testsuite/libmudflap.c/fail38-frag.c: New test.
403 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
405 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
406 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
408 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
410 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
411 * aclocal.m4: Include ../config/gcc-version.m4.
412 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
414 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
416 * Makefile.am: Define ACLOCAL_AMFLAGS.
417 * acinclude.m4: Remove.
418 * stamp-h.in: Remove superfluous stamp file.
419 * aclocal.m4, configure, Makefile.in: Regenerate.
420 * testsuite/Makefile.in: Likewise.
422 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
424 * Makefile.am: Revert previous.
425 * acinclude.m4: Restore.
426 * aclocal.m4, configure, Makefile.in: Regenerate.
427 * testsuite/Makefile.in: Likewise.
429 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
431 * Makefile.am: Define ACLOCAL_AMFLAGS.
432 * acinclude.m4: Remove.
433 * aclocal.m4, configure, Makefile.in: Regenerate.
434 * testsuite/Makefile.in: Likewise.
436 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
438 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
440 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
442 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
443 * testsuite/Makefile.in: Likewise.
445 2004-11-01 Andreas Schwab <schwab@suse.de>
447 * configure.ac: (target_alias): Default to $host_alias, not
449 * configure: Regenerated.
451 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
453 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
454 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
457 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
460 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
462 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
464 * configure.ac: Check for more headers, functions.
465 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
466 tracking overridden FILE buffers.
467 (fopen, setvbuf): New/revised hook functions for buffer overriding.
468 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
469 (fflush): Accept given NULL stream (means "all streams").
471 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
473 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
474 (__mf_adapt_cache): Use them all.
475 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
476 * testsuite/libmudflap.c++/ctors.exp: Ditto.
477 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
478 * configure, config.h.in: Regenerated.
480 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
482 * configure.ac: Checking for sys/socket.h once is enough.
483 * configure: Regenerated.
485 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
487 * configure.ac: Look for more headers & functions.
488 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
489 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
490 * mf-runtime.c (options): Clean up integer signedness warnings.
491 (main): Add a declaration to fix a warning.
492 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
493 * configure, config.h.in: Regenerated.
495 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
497 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
498 New tests for proper base/limit checking for aggregates.
500 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
502 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
504 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
506 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
507 * mf-hooks2.c (strerror): Unregister previous string returned by
509 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
510 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
511 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
512 * mf-runtime.c (__mf_describe_object): Clarify object life status.
513 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
515 * configure, config.h.in: Regenerated.
517 2004-08-03 Dale Johannesen <dalej@apple.com>
519 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
521 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
523 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
524 simplified contents in all former callers.
526 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
528 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
529 the statically linked case.
531 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
533 * splay-tree.[ch]: Remove. Merge contents into ...
534 * mf-runtime.c: ... here, renaming symbols and making all functions
535 static. Remove unused min/max functions.
536 * Makefile.am: Forget about splay-tree.[ch].
537 * Makefile.in, testsuite/Makefile.in: Regenerated.
539 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
541 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
542 (__mfu_usage): Include (C) 2004.
543 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
544 here. Include a comment explaining why.
546 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
548 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
549 * mf-runtime.c (options): Give them a name.
550 (__mf_set_default_options): Set them.
551 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
552 (__mf_violation): Warning cleanup.
553 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
554 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
556 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
559 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
562 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
564 Test case for g++/15861
565 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
566 * testsuite/libmudflap.c++/ctors.exp: Driver.
567 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
568 Look only for *frag* test cases.
570 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
572 ANSI C conversion, libmudflap specialization, recursion limiting.
573 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
574 argument and indirection function pointers, update callers.
575 (splay_tree_s): Add statistics and recursion control fields
576 num_keys, max_depth, depth, rebalance_p.
577 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
578 Back out of search if it exceeds limit.
579 (splay_tree_splay): Manage recursion limiting with rebalancing as
581 (splay_tree_new): More initialization.
582 (splay_tree_rebalance): New function.
583 (splay_tree_foreach): Rewrite using nonrecursive logic.
584 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
585 Remove. Point indirect calls to mf-runtime.c's routines.
586 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
588 (splay_tree_delete, splay_tree_delete_helper): Ditto.
589 * testsuite/heap-scalestress.c: New test based on one from
590 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
592 2004-07-05 Matthias Klose <doko@debian.org>
594 * libtool-version: New.
595 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
596 Use -version-info for soname.
597 * Makefile.in: Regenerate.
598 * configure.ac: Remove libtool_VERSION macro
599 * configure: Regenerate
601 2004-07-05 Zack Weinberg <zack@codesourcery.com>
603 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
604 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
607 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
609 Splay tree implementation fork.
610 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
611 Use hard-coded comparison function for uintptr_t. Remove key/value
612 deallocation logic. Cache last splayed key for consecutive lookups.
613 * Makefile.am, Makefile.in: Use them, don't link to them.
614 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
615 (__mf_find_objects2): Flip successor/predecessor search sequence.
616 * ansidecl.h, libiberty.h: Removed dummy files.
618 2004-06-29 Nick Clifton <nickc@redhat.com>
620 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
621 * configure: Regenerate.
622 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
624 Remove spurious inclusion of <strings.h>.
626 2004-06-29 Nick Clifton <nickc@redhat.com>
628 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
629 function actually exists.
631 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
633 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
634 * config.h.in: Regenerated.
636 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
638 Adopt splay trees for object database.
639 * Makefile.am: Copy splay-tree.* from libiberty.
640 * Makefile.in, testsuite/Makefile.in: Regenerated.
641 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
642 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
643 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
644 * mf-runtime.c: Rewrite code dealing with object database to use
645 libiberty splay trees. Remove tree liveness aging option.
646 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
648 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
650 * configure.ac: New name of configure.in. Update
651 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
652 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
653 Autoconf 2.5x and Automake 1.7 or later.
654 * configure.in: Remove.
655 * configure: Regenerate.
657 * Makefile.am: Remove useless multilib rules.
658 * Makefile.in: Regenerate.
660 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
662 * .cvsignore: New file.
664 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
667 * mf-hooks2.c (semctl): Add cygwin porting hack.
669 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
672 * configure.in: Look for ctype header and glibc implementation.
673 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
674 array hooks for glibc 2.3.
675 * mf-runtime.h.in: Wrap them.
676 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
678 * testsuite/libmudflap.c/pass47-frag.c: New test.
679 * configure, config.h.in: Regenerated.
681 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
683 Portability improvements, e.g., libmudflap/15293.
684 * configure.in: Look for glibc extension functions. Look for
685 support of -f{function,data}-sections. Look for more headers.
686 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
687 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
688 mf-hooks* into usual single object per source.
689 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
690 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
691 if system doesn't provide one.
692 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
693 (pthread_create): Use it to properly GC dead thread stacks.
694 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
695 * testsuite/Makefile.am: Stop generating site.exp.
696 * testsuite/mfconfig.exp.in: New file.
697 * testsuite/config/default.exp: Load new mfconfig.exp.
698 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
699 (prune_gcc_output): Add glibc static linking warnings.
700 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
701 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
702 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
703 Regenerated with autoconf 2.57 and automake 1.7.
705 2004-06-04 Per Bothner <per@bothner.com>
707 * configure.in (LIBMUDFLAPTH): Fix thinko.
709 * configure.in: Check for more headers.
710 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
712 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
713 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
715 2004-06-01 Andreas Jaeger <aj@suse.de>
717 * configure.in: Handle multilibs, support
718 --enable-version-specific-runtime-libs.
719 * Makefile.am (lib_LTLIBRARIES): Rename to ...
720 (toolexeclib_LTLIBRARIES): this for multilib support.
721 * Makefile.in: Regenerated.
722 * configure: Regenerated.
723 * aclocal.m4: Regenerated.
724 * config.h.in: Regenerated.
725 * testsuite/Makefile.in: Regenerated.
727 2004-06-01 Andreas Jaeger <aj@suse.de>
729 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
730 multilibs, using multilib directory instead of hardcoded path.
733 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
735 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
736 * Makefile.in: Ditto.
738 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
740 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
741 * aclocal.m4, configure: Rebuilt.
743 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
745 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
746 import some build settings from libstdc++-v3 testsuite_flags.
747 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
748 changes to pass test language.
750 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
751 quicker mode-nop handling.
753 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
755 * mf-impl.h: Added libgcc license header.
757 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
759 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
760 Added libgcc license header.
761 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
762 (pthread_create): Simplify stack allocation syntax.
764 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
766 * mf-hooks2.c: Support FreeBSD.
767 (WRAP_gets): Avoid gets().
768 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
769 test unimplemented mem/str calls on FreeBSD.
770 * testsuite/libmudflap.c/pass21-frag.c: Do not include
771 <alloca.h> on FreeBSD.
773 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
775 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
776 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
777 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
778 flags for static linking permutation.
779 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
780 some pthreads code that croaks on linux glibc tls.
782 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
784 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
786 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
788 * testsuite/libmudflap.c/pass44-frag.c: New test.
790 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
792 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
794 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
796 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
798 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
800 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
802 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
805 * configure.in: Add check for see if
806 socklen_t typedef is in sys/socket.h.
807 * mf-hooks1.c: Add define if socklen_t
809 * mf-hooks2.c: Likewise.
810 * mf-hooks3.c: Likewise.
811 * config.h.in: Regen.
814 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
816 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
817 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
819 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
820 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
821 (unoptimized) allocation of stack space.
823 2003-12-07 Richard Henderson <rth@redhat.com>
825 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
826 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
828 2003-12-06 Andrew Pinski <apinski@apple.com>
830 partial PR libmudflap/12670
831 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
832 * mf-hooks2.c: Likewise.
833 * mf-hooks3.c: Likewise.
835 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
838 * mf-runtime.h.in: Switch to #pragma redefine_extname for
839 symbols interposed at compile time.
840 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
843 * mf-hooks2.c (semctl): Tolerate FreeBSD.
845 * configure.in: Reorganize check for <pthread.h>.
846 * configure: Regenerated.
848 2003-11-04 David Edelsohn <edelsohn@gnu.org>
850 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
851 (_LARGE_FILE_API): Define for AIX.
852 * mf-hooks[123]: Same.
853 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
855 2003-10-21 David Edelsohn <edelsohn@gnu.org>
857 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
859 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
861 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
863 * configure.in: Update check for union semun.
865 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
868 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
870 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
873 * configure.in: Add checks for 64-bit LFS functions, struct semun
874 definition, for BSD compatibility.
875 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
876 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
877 * mf-hooks3.c: Ditto.
878 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
880 * configure, config.h.in: Regenerated.
882 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
884 Multithreading fixes:
885 * mf-runtime.c (__mf_object): Store allocating/deallocating
887 (options): Support new "-thread-stack" option.
888 Rename "-heur-argv-environ" option to "-heur-stdlib".
889 Disable "-lc-mask" and "-lc-shift" options.
890 (__mf_dynamic): Add function pointers for pthread_join/_exit.
891 (__assert_fail): New self-contained function for glibc.
892 * mf-hooks3.c: Essentially rewritten, particularly related to
893 use of __mf_pthread_info array.
894 (pthread_join, _exit): New hook functions.
895 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
896 * testsuite/libmudflap.cth/pass40-frag.c: New test.
899 * mf-heuristics.c: Add type casts for tracing, sub calls.
900 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
901 Update all callers to declare explicit result holder.
902 (END_PROTECT): Removed.
903 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
905 2003-07-15 Diego Novillo <dnovillo@redhat.com>
907 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
908 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
909 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
911 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
913 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
915 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
916 Move these macros from old mf-hooks.c here.
917 * Makefile.am: Adapt to split-up hook sources for faster builds.
918 * Makefile.in: Regenerated.
920 * mf-heuristics.c: Remove #if-0 block.
922 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
923 (__mf_starting_p): New state only for use while dlsym bootstrapping.
924 (CALL_REAL, __mf_init): Corresponding changes.
925 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
926 all callers to remove redundant "mf:" prefix.
927 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
928 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
929 (__mf_pthread_info): Become a hash table.
931 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
932 "dg-repetitions" directives to control test case execution.
933 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
935 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
937 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
939 * mf-hooks.c (alloca): Separate into stub.
940 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
941 malloc/free for alloca blocks.
942 (pthread_create): Tolerate failing pthread_attr_get* calls.
943 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
944 * mf-impl.h (CALL_WRAP): Remove macro.
945 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
946 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
947 padding for ia64 BIT_FIELD_REF constructs.
949 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
951 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
952 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
953 libmudflap object type.
954 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
955 crashes on unregistering STATIC objects.
957 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
959 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
960 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
961 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
962 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
963 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
964 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
965 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
966 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
967 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
968 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
969 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
970 (accept, bind, connect, gethostname, sethostname): New hooks.
971 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
972 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
973 (semop, semctl, shmctl, shmat, shmdt): New hooks.
974 * mf-runtime.h.in: Corresponding changes.
975 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
976 (opts) Rename heur_argv_environ to heur_std_data.
977 (__mf_wrap_main): Use STATIC type for argv/environ strings.
978 * Makefile.am: Corresponding changes.
979 * Makefile.in: Regenerated.
981 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
983 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
984 heuristic for threaded case, and for non-x86-linux targets.
985 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
986 for use during pre-main() program startup.
987 (__mf_0fn_*): Make these functions non-static.
988 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
990 * mf-runtime.c (__mf_state): Set initial state to "starting".
991 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
992 (__wrap_main): New function to register argv[] and environ[] strings.
994 (*): In all trace functions, use "%p" as formatter for uintptr_t.
996 * testsuite/libmudflap.c/pass38-frag.c: New test case.
997 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
999 * acinclude.m4: Add comments with aoliva's concerns about x86_64
1001 * aclocal.m4, configure: Regenerated.
1003 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
1005 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
1006 * aclocal.m4, configure: Regenerated.
1008 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
1010 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
1011 for x86_64 target. Disable caching for this value.
1012 * aclocal.m4, configure: Regenerated.
1014 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
1016 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
1017 is about to become deprecated, and its present handling bugs are
1020 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
1022 * testsuite/libmudflap.c/pass38-frag.c: New test for
1025 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1027 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
1028 __mf_report, asserting reentrant calling context.
1030 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1032 * mf-hooks.c (realloc): Correct reentrancy logic.
1033 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
1035 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
1037 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
1038 PTHREAD_THREADS_MAX. Update users.
1039 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
1041 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
1042 with libmudflapth presence indicator.
1043 * testsuite/Makefile.in: Regenerated.
1045 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
1047 * Makefile.am (AM_CFLAGS): Remove "-ansi".
1048 * configure.in: Remove silly no-pthreads => no-shared logic.
1049 * Makefile.in, configure: Regenerated.
1050 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
1051 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
1052 code. Count reentrancy events.
1053 (all hook functions): Don't directly manipulate __mf_state variable.
1054 Add TRACE calls to hook functions without them.
1055 * mf-impl.h (LOCKTH): Try to count lock contention events.
1056 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
1057 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
1058 Reorganize reentrancy code.
1059 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
1060 identify reentrancy with mutex holding times.
1061 (internal __mfu_ entry points): Remove internal reentrancy code.
1062 (__mf_init): Use ordinary locked calls.
1063 (__mfu_report): Print the two new counts.
1064 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
1065 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
1066 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
1067 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
1070 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
1072 * configure.in: Add pthread support, plus glibc and porting hacks.
1073 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
1074 from objects built into ./pth/.
1075 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
1076 functions for internal entry points. Update callers to pick
1077 locked vs. unlocked variants.
1078 (__mf_resolve_single_dynamic): Extend to support symbol versioning
1079 info coming in from a static data structure.
1080 (*): Reorder miscellaneous declarations to group data vs functions.
1081 (__mf_set_default_options): Simplify.
1082 (__mf_usage): Mention threading status of host executable.
1083 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
1084 decls to match above.
1085 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
1086 * mf-heuristics.c: Choose between locked/unlocked calls. Add
1087 some lock/unlock markers. Remove some unused code.
1089 (pthread_create): New hook function.
1090 (__mf_pthread_cleanup, _spawner): New helper functions.
1091 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
1093 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
1095 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
1097 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
1099 * Makefile.am (HOOKOBJS): Add *time related hooks.
1100 * configure.in: Look for pthreads.h header.
1101 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
1102 * mf-runtime.c: Begin sketching some pthreads support.
1103 (__mf_usage): Check for -lpthread presence.
1104 (__mf_unregister): Confirm matching unregistration base.
1105 (__mf_find_objects_rec): Reduce unnecessary recursion.
1106 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
1107 #defines for new hook functions.
1108 * mf-impl.h: Corresponding changes.
1109 * config.h.in, configure, Makefile.in: Regenerated.
1111 2002-04-27 Diego Novillo <dnovillo@redhat.com>
1113 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
1114 modifiers to prevent being optimized away.
1115 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
1116 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1117 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
1118 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1119 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
1120 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
1121 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
1123 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1125 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1126 * configure.in: Look for uintptr_t and -ldl on target.
1127 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1128 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1129 * testsuite/Makefile.in: Regenerated.
1130 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1131 for better C compliance.
1133 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1135 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1137 * mf-runtime.c (__mf_set_default_options): Turn off
1138 check-initialization.
1139 (__mf_describe_object): Shorten description.
1140 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1142 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
1144 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1146 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
1148 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1150 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1151 * mf-impl.h (CALL_BACKUP): New macros.
1152 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1154 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
1156 * Makefile.am (AM_CFLAGS): Remove optimization flags.
1157 (HOOKOBJS): Remove dlopen hook.
1158 (libmudflap_la_LIBADD): Add -ldl.
1159 * mf-hooks.c (dlopen): Remove hook.
1160 * mf-impl.h (__mf_dynamic): Ditto.
1161 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1162 * Makefile.in: Regenerated.
1164 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
1166 * configure.in: Check for target gettimeofday, signal, some headers.
1167 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
1168 out inop multi_threaded field.
1169 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1170 (__mf_set_options): Correct handling of "-help".
1171 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1172 (__mf_check, __mf_register, __mf_unregister): Call it.
1173 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1174 (__mf_report_leaks): Make callable
1175 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
1176 distribution statistics.
1177 (__mf_adapt_cache): Rewrite shift guessing logic based on address
1179 * config.h.in, configure: Regenerated.
1180 * testsuite/libmudflap.c/fail27-frag.c: New test.
1181 * testsuite/libmudflap.c/pass36-frag.c: New test.
1183 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
1185 * mf-runtime.h.in: Tweak.
1186 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1187 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1188 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1190 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1192 * configure.in: Tweak generation of mf-runtime.h some more. It
1193 needs to work from both config.status and configure.
1194 * configure: Regenerated.
1196 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1198 * Makefile.am: Reorganize hook file building. Add auto dependencies.
1199 * configure.in: Tweak generation of mf-runtime.h.
1200 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1201 * mf-hooks.c (*): Adapt to initialized-heap object type.
1202 * mf-impl.h: Tweak cemetary boundaries.
1203 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1205 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1206 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1207 * testsuite/lib/libmudflap.exp (includes): Include build tree.
1208 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1210 * testsuite/.../fail{25,26}-frag.c: New tests.
1211 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1212 * Makefile.in, configure: Regenerated.
1214 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1216 * mf-runtime.c (__mf_set_default_options): Turn on initialization
1217 checking by default.
1218 (__mf_insert_new_object): As a temporary hack, assume that new
1219 objects registered on the stack start out initialized.
1220 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1221 heap objects by hand.
1223 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1225 Switch to macro-style hooks for str*/mem*/b* functions.
1226 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1227 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1228 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1229 (__mf_set_default_options): Turn off heur_proc_map.
1230 (*): Adapt to to macro-style hook functions.
1231 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1232 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1233 (__mf_violation): Handle __MF_VIOL_WATCH.
1234 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1235 (__mf_dynamic): Removed mem*/str*/b* functions.
1236 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1237 (WRAPPER2): New macro for macro-style hooks.
1238 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1240 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1241 * mf-heuristics.c: Adapt to macro-style hook functions.
1242 Correct some comments.
1243 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1244 output pattern tests.
1245 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1246 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1248 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1250 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1251 for global array registration.
1252 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1253 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1255 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1257 * Makefile.am: Add gross make bug workarounds. Tweaked
1258 SUBDIRS and AM_CFLAGS.
1259 * Makefile.in: Regenerated.
1261 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1264 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1265 * Makefile.am (TESTS): Remove simple automake testing.
1266 * configure, Makefile.in: Regenerated.
1267 (SUBDIRS): Include new testsuite/ directory.
1268 * tests/*: Removed all files; moved bulk under:
1269 * testsuite/*: New subdirectory tree.
1270 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1271 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1272 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1273 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1274 * testsuite/config/default.exp: New file.
1275 * testsuite/Makefile.am, Makefile.in: New files.
1277 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1279 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1280 (TESTS): Add fail22 and pass29 tests.
1281 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1282 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1283 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1284 values. Move __MF_VIOL* here.
1285 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1286 (check_initialization): New field in __mf_opts. Default off.
1287 (read_count,write_count): New fields in __mf_object.
1288 (__mf_check): Implement basic initialization checking.
1289 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1290 (__mf_describe_object): Print new fields.
1291 (__mf_violation): Identify check/read vs. check/write in messages.
1292 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1293 "-check-initialized" mudflap option.
1294 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1295 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1296 Drop __FILE__/__LINE__ hack. Update callers.
1297 (*): Adapt to new mf-runtime.h API.
1298 * Makefile.in: regenerated.
1300 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1302 * configure.in: Build mf-runtime.h a more proper way.
1303 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1304 * mf-runtime.c (verbose_violations): Turn on by default.
1305 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1306 * mf-impl.h: ... and move it here.
1307 * configure: Regenerated.
1309 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1311 * configure.in: Look for C++ compiler.
1312 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1313 fixed type warnings when built with C++.
1314 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1315 * Makefile.am (TESTS): Run them.
1316 (*) Add new rules for building and running C++ tests.
1317 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1318 * mf-runtime.h.in: Protect with extern "C".
1319 * Makefile, configure: Regenerated.
1321 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1323 Portability improvements.
1324 * configure.in: Look for glibc backtrace headers/functions.
1325 * mf-hooks.c: Don't include <execinfo.h> any more.
1326 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1328 (__mf_backtrace): Provide alternate baby implementation in
1330 * test/mf-driver.c: Portability tweaks.
1331 * acinclude.m4: New file, containing top level libtool.m4.
1332 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1334 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1336 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1338 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1340 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1342 (__mf_unregister): Implement stack/heap object wiping.
1343 (__mf_set_options): Renamed from __mf_process_opts.
1344 (__mf_uncache_object): Change arg type, correct callers.
1345 * mf-impl.h: Corresponding changes.
1346 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1347 * mf-runtime.h.in (__mf_set_options): Extend public API.
1348 * test/pass26-frag.c: New test for stack wiping.
1349 * Makefile.am (TESTS): Run it.
1350 * Makefile.in: Regenerated.
1352 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1354 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1355 * mf-runtime.c (__mf_object_t): Add watching_p field.
1356 (__mf_watch_or_not): New function to implement
1357 object watch flagging.
1358 (__mf_watch, __mf_unwatch): New wrappers for above.
1359 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1360 (__mf_count_violation): Enlarge array.
1361 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1362 unlink object. Clear cache properly.
1363 (__mf_unregister): Unlink object explicitly before uncaching.
1364 * test/fail21-frag.c, pass25-frag.c: New tests.
1365 * Makefile.in, aclocal.m4: Regenerated.
1367 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1369 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1370 * Makefile.am (TESTS): Add it.
1371 * test/pass-stratcliff.c: Add decls of stpcpy.
1372 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1373 build tree from config.h and new file mf-runtime.h.in.
1374 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1375 * Makefile.in, configure, config.h.in: Regenerated.
1376 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1377 * mf-runtime.c (options, __mf_set_default_options): Support new
1378 default "abbreviate" option.
1379 (__mf_object.description_epoch): New field.
1380 (__mf_describe_object): Conditionally abbreviate objects already
1381 displayed in current epoch. Accept NULL input to increment epoch.
1382 (__mf_fini, __mf_ini): Reset description epoch.
1383 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1384 that NULL pointer slot in lookup cache is invalidated. Register a
1385 NOACCESS region around NULL.
1386 * mf-impl.h: Corresponding changes.
1388 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1390 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1391 * Makefile.am: Run them. Install mf-runtime.h.
1392 * Makefile.in: Regenerated.
1393 * mf-hooks.c: Add some markers for more missing functions.
1394 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1395 statistic to tune tune cache size (mask).
1397 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1399 * test/pass23-frag.c: New test for bit_field_ref expressions.
1400 * Makefile.am, Makefile.in: Add new test.
1401 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1402 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1403 * mf-runtime.c (__mf_init): Register errno global.
1404 (__mf_find_object): Removed function.
1405 (__mf_check): Rewrite logic to support accesses across some
1406 contiguous but distinctly registered objects.
1407 (__mf_remove_old_object): Tolerate cache entries that span
1410 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1412 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1413 * Makefile.am, Makefile.in: Run new tests.
1414 * mf-hooks.c (alloca): Correct stack direction logic.
1416 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1418 * mf-impl.h (adapt_cache): New option.
1419 * mf-runtime.c (__mf_set_default_options): Set its default value.
1420 Tweak the tree_aging parameter down.
1421 (__mf_check): Maintain separate counter for cache-adaptation.
1422 (__mf_tree_analyze): New function to collect object tree stats.
1423 (__mf_adapt_cache): New function to automate cache parameters.
1425 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1427 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1428 hypothetical #if-0'd argv/envp region registration.
1429 * mf-runtime.c (__mf_init): Add kludged form of above.
1430 (*) Add "heur_argv_environ" flag, default on, to govern this.
1431 * mf-impl.h: Corresponding changes.
1433 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1435 * test/fail18-frag.c: New test file for NOACCESS regions.
1436 * Makefile.am (TESTS): Add new test.
1437 * Makefile.in: Regenerated.
1439 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1440 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1441 (optimize_object_tree): Remove unused mudflap_option.
1442 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1443 support throughout. Use .._MAX_CEM for cemetary upper bound.
1444 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1446 (__mf_object): Add new liveness field for use by tree aging.
1447 (__mf_check): Trigger tree aging when needed.
1448 (__mf_age_tree): New function to decay liveness field.
1449 (__mf_find_objects_rec): Use liveness field to rotate tree.
1450 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1451 (__mf_unregister): Ditto.
1452 (__mf_register): Tweak duplicate-static message.
1453 (__mf_violation: Tweak nearby-object counter printing.
1455 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1457 * test/pass20-frag.c: New test file.
1458 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1459 * Makefile.in: Regenerated.
1461 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1462 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1463 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1464 entries to avoid repeat registration.
1465 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1466 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1468 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1470 * Makefile.am: Create test sources with #include, not cat>>.
1471 * Makefile.in: Regenerated.
1472 * test/buildtest.sh: Removed.
1473 * test/driver.c (abort_handler, main): Be quiet.
1475 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1477 * test/pass18-frag.c, pass19-frag.c: New tests.
1478 * Makefile.am (check): Run them. Rebuild test programs each time.
1479 * Makefile.in: Regenerated.
1481 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1483 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1484 overlapping object search.
1485 (__mf_violation): Likewise for nearby objects.
1486 Improve nearby-object listing.
1489 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1490 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1492 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1495 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1496 (HOOKOBJS): Add alloca-hook.o.
1497 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1499 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1500 (__mf_backtrace): Reimplement without using alloca.
1501 * Makefile.in: Regenerated.
1504 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1505 Correct signedness bugs in length-tracking variables.
1506 * mf-impl.h: Make options unsigned.
1507 (CALL_WRAP): New macro to parallel CALL_REAL().
1508 (DECLARE): Remove erroneous ";" at end.
1509 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1510 formatting specs with %08lx. Correct several compiler warnings.
1512 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1514 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1516 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1518 libmudflap hook breakup:
1519 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1521 (TESTS): Make dependent on libmudflap.
1522 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1523 compiled from segments of mf-hooks.c.
1524 * mf-hooks.c: Corresponding changes: wrap each function in
1526 * Makefile.in: Regenerated.
1528 Heuristics reorganization:
1529 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1530 Remove these functions. Update callers.
1531 (__mf_heuristic_check): Incorporate all the various heuristics.
1532 Encode cacheability/retry judgement into trinary return value.
1533 Separate start-end logic into a separate fallback heuristic. Only
1534 register relevant /proc/self/map segments.
1535 * mf-impl.h: Corresponding changes.
1536 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1537 (__mf_init): Don't call __mf_init_heuristics.
1540 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1541 "-verbose-trace" to emit all tracing messages other than those of
1542 basic public api. Eliminate some duplicate/excessive messages.
1543 * mf-runtime.h: Corresponding changes.
1545 2002-08-27 Graydon Hoare <graydon@redhat.com>
1547 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1548 and __real when compiled with -DPIC.
1549 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1550 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1551 * Makefile.in: Regenerate.
1553 2002-08-26 Graydon Hoare <graydon@redhat.com>
1555 * mf-impl.h: New file, private implementation header.
1556 * mf-runtime.h: Reorganize a bit.
1557 (CLAMPSZ): Fix arithmetic.
1558 (__MF_CACHE_MISS_P): Fix arithmetic.
1559 * mf-runtime.c: Reorganize a bit.
1560 (__mf_dynamic): New structure.
1561 (resolve_single_dynamic): New function.
1562 (__mf_resolve_dynamics): New function.
1563 (__mf_init): Initialize dynamic wrappers.
1564 * mf-hooks.c: Macro-ize __real calls.
1565 Clamp various bits of arithmetic.
1566 Add explicit __mf_check call contexts.
1567 * Makefile.am: Add dependencies on mf-impl.h
1568 * Makefile.in: Regenerate.
1569 * configure.in: Comment out shared override.
1570 * configure: Regenerate.
1572 2002-08-22 Graydon Hoare <graydon@redhat.com>
1574 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1575 (__mf_check): Re-inialize and check heuristics before violation.
1576 (__mf_register): Permit updating pure-guess regions.
1577 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1578 (__wrap_dlopen): New wrapper function.
1579 (__wrap_mmap): New wrapper function.
1580 (__wrap_munmap): New wrapper function.
1581 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1582 which are not stack addresses.
1583 (is_stack_address): New function.
1584 (__mf_init_heuristics): Save and restore state, always initialize with
1587 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1589 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1590 error. Pass location string.
1591 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1592 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1593 (__mf_process_opts): Apply some sanity checking for lc-mask.
1594 (__mf_check, __mf_violation): Take new location-string argument.
1595 Update callers to pass NULL if necessary.
1596 (__mf_backtrace): New smart backtracer function. Calls replace
1597 several ad-hoc blocks elsewhere.
1598 (__mf_describe_object): Remove bad reentrancy test. Improve
1600 * mf-runtime.h: Corresponding changes. Public/private markup.
1601 (__MF_CACHE_MISS_P): New macro.
1603 2002-08-20 Graydon Hoare <graydon@redhat.com>
1605 * mf-runtime.h: New option: stack_bound (heuristic).
1606 Move some macros out of implementation files.
1607 * mf-runtime.c: New option string: -stack-bound.
1608 Unify recursion protection with hooks.
1610 (__mf_check): Call __mf_heuristic_check.
1611 (__mf_process_opts): Fix "no-" processing.
1612 * mf-heuristics.c (__mf_heuristic_check): New function.
1613 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1615 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1617 Option parsing improvements, region splitting bug fixes:
1618 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1619 * mf-runtime.h (heur_proc_map): New libmudflap option.
1620 * mf-runtime.c (__mf_set_default_options): Set it.
1621 (__mf_usage): Print default values/status.
1622 (__mf_process_opts): Support general "no-" option string prefix.
1623 (__mf_init): Print __mf_usage on unknown-option error.
1624 (__mf_register): Print trace message up front.
1625 Correct region splitting logic for case where a subregion disappears.
1626 Correct memory leak.
1627 (__mf_violation): Make even basic message conditional on option.
1630 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1631 (clean-local): New target.
1632 (test/*x rules): Add -g CFLAGS.
1633 (CFLAGS): Add -freorder-blocks.
1634 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1635 * Makefile.in: Regenerated.
1636 * Makefile, mf-config.h: Removed files.
1638 2002-08-16 Graydon Hoare <graydon@redhat.com>
1640 * mf-runtime.c (__mf_insert_new_object): Factor out of
1642 (__mf_remove_old_object): Factor out of __mf_unregister.
1643 (__mf_register): Handle guessed regions, splitting
1644 guesses when new registrations arrive.
1645 (__mf_unregister): Do not unregister guesses.
1646 * mf-runtime.h: Move convenience macros around,
1647 declare new option fields. Add __MF_TYPE_GUESS.
1648 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1649 (__wrap_free): Call __real_free for deferred frees.
1650 * Makefile.am: Add more tests, fix dependency.
1651 * Makefile.in: Regenerate.
1652 * test/pass[13..17]-frag.c: New testcases.
1653 * test/fail[13..17]-frag.c: New testcases.
1655 2002-08-15 Graydon Hoare <graydon@redhat.com>
1657 * mf-heuristics.c: New file.
1658 * mf-runtime.c (options): Add -trace-calls option.
1659 (__mf_init): Call __mf_init_heuristics.
1661 2002-08-14 Graydon Hoare <graydon@redhat.com>
1663 * Makefile.am (TESTS): Add testsuite support.
1664 * Makefile.in: Regenerate.
1665 * test/mf-driver.c: New file.
1666 * test/buildtest.sh: New file.
1667 * test/passNN-frag.c: New testcases.
1668 * test/failNN-frag.c: New testcases.
1670 2002-08-14 Graydon Hoare <graydon@redhat.com>
1672 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1673 verifying non-size-limited string extents.
1675 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1677 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1678 instead of plain str[n]len for internal checks.
1679 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1681 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1683 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1685 2002-08-13 Graydon Hoare <graydon@redhat.com>
1687 * mf-runtime.c: Rework configuration to operate on
1688 environment variable options rather than #defines
1689 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1690 (__mf_init): Set static __mf_active_p flag on startup,
1691 to inhibit mudflap wrap-based checking during crt0.s.
1692 * mf-runtime.h: Declare options structure.
1693 * mf-hooks.c: New wrappings for mem*, b*, str*
1694 libc functions (temporarily #if 0-ed out).
1696 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1698 * Makefile.am, configure.in: New files.
1699 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1700 * stamp-h.in, aclocal.m4: Ditto.
1702 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1704 * Makefile: New file.
1705 * mf-config.h: New file: runtime configuration.
1706 * mf-hooks.c: New file: interposed libc functions.
1707 * mf-runtime.c: New file: bulk of runtime.
1708 * mf-runtime.h: New file: public functions.