1 2008-06-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3 * Makefile.in: Regenerate.
4 * config.h.in: Regenerate.
5 * configure: Regenerate.
6 * testsuite/Makefile.in: Regenerate.
8 2008-04-18 Paolo Bonzini <bonzini@gnu.org>
11 * aclocal.m4: Regenerate.
12 * configure: Regenerate.
14 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
16 * testsuite/libmudflap.c/pass63-frag.c: New test.
18 2008-03-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
20 * aclocal.m4: Regenerate.
21 * configure: Likewise.
22 * Makefile.in: Likewise.
23 * testsuite/Makefile.in: Likewise.
25 2008-03-02 Jakub Jelinek <jakub@redhat.com>
27 * mf-runtime.c (__mf_usage): Update copyright notice dates.
29 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
31 * testsuite/libmudflap.c/fail8-frag.c: Adjust scan pattern for
33 * testsuite/libmudflap.c/fail9-frag.c: Ditto.
35 2008-01-24 David Edelsohn <edelsohn@gnu.org>
37 * configure: Regenerate.
39 2008-01-05 Jakub Jelinek <jakub@redhat.com>
41 PR tree-optimization/34618
42 * testsuite/libmudflap.c/pass62-frag.c: New test.
44 2008-01-03 Jakub Jelinek <jakub@redhat.com>
47 * testsuite/libmudflap.c++/pass61-frag.cxx: New test.
49 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
52 * testsuite/libmudflap.c++/pass60-frag.cxx: New test.
54 2007-10-15 Maciej W. Rozycki <macro@linux-mips.org>
56 * configure: Regenerate following changes to ../config/tls.m4.
58 2007-07-26 Tom Tromey <tromey@redhat.com>
60 * Makefile.in: Rebuilt.
61 * Makefile.am (clean-local): Removed.
62 (pth/mf-runtime.lo, pth/mf-heuristics.lo, pth/mf-hooks1.lo,
63 pth/mf-hooks2.lo, pth/mf-hooks3.lo): Likewise.
64 (libmudflapth_la_SOURCES): List sources.
65 (libmudflapth_la_LIBADD): Clear.
66 (libmudflapth_la_CFLAGS): New variable.
68 2007-07-05 H.J. Lu <hongjiu.lu@intel.com>
70 * aclocal.m4: Regenerated.
72 2007-06-02 Paolo Bonzini <bonzini@gnu.org>
74 * configure: Regenerate.
76 2007-05-31 Frank Ch. Eigler <fche@redhat.com>
78 From Andi Kleen <ak@suse.de>:
79 * mf-runtime.c (options): Rename structure for compatibility with
82 2007-05-23 Steve Ellcey <sje@cup.hp.com>
84 * Makefile.in: Regenerate.
85 * configure: Regenerate.
86 * aclocal.m4: Regenerate.
87 * testsuite/Makefile.in: Regenerate.
89 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
91 * testsuite/libmudflap.cth/pass59-frag.c (main): Fix casting of arg.
93 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
95 * Makefile.am: Add dummy install-pdf target.
96 * Makefile.in: Regenerate
98 2007-02-07 Jakub Jelinek <jakub@redhat.com>
101 * configure: Regenerate.
103 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
105 * configure: Regenerate.
107 2006-11-13 Daniel Jacobowitz <dan@codesourcery.com>
109 * configure: Regenerated.
111 2006-11-10 Frank Ch. Eigler <fche@redhat.com>
114 * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
115 static but not function scope static.
116 (free): Skip deallocation attempts for objects placed into
118 * testsuite/libmudflap.cth/pass59-frag.c: New test.
120 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
122 From Herman ten Brugge <hermantenbrugge@home.nl>:
123 * mf-runtime.c (__mf_uncache_object): Optimize the code so that
124 small and large objects are handled a lot faster.
126 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
128 * configure.ac (__libc_freeres): Look for it.
129 * mf-impl.h (call_libc_freeres): New configuration flag.
130 * mf-runtime.c (__mf_set_default_options): Set it by default.
131 (__mfu_report): Call it if needed.
132 (__mfu_unregister): Remove "unaccessed registered object" warning.
133 * configure, config.h.in: Regenerated.
135 2006-09-18 Tom Tromey <tromey@redhat.com>
137 * configure: Rebuilt.
139 2006-06-21 Frank Ch. Eigler <fche@redhat.com>
142 mf-runtime.h installation based on ssp patch for PR 26473 from
143 Mark Mitchell <mark@codesourcery.com>.
144 * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
145 * Makefile.am (target_noncanonical): Define.
146 (libsubincludedir): New variable.
147 (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
148 (include_HEADERS): Remove.
149 * configure, aclocal.m4, config.h.in: Regenerated.
150 * Makefile.in, testsuite/Makefile.in: Likewise.
151 * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
152 and _THREAD_SAFE redefinition values.
154 2006-05-23 Carlos O'Donell <carlos@codesourcery.com>
156 * Makefile.am: Add install-html target. Add install-html to .PHONY
157 * Makefile.in: Regenerate.
159 2006-04-19 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
162 * testsuite/libmudflap.c++/error1-frag.cxx: New test.
165 * testsuite/libmudflap.c++/error2-frag.cxx: New test.
167 2006-04-10 Matthias Klose <doko@debian.org>
169 * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
170 directory names containing underscores.
172 2005-11-22 Janis Johnson <janis187@us.ibm.com>
174 * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
175 MUDFLAP_FLAGS if static library not supported.
176 * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
177 * testsuite/libmudflap.c/externs.exp: Ditto.
178 * testsuite/libmudflap.c++/ctors.exp: Ditto.
179 * testsuite/libmudflap.c++/c++frags.exp: Ditto.
180 * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
182 2005-10-04 James E Wilson <wilson@specifix.com>
184 * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
185 $name as array of characters with unknown bound. Also store into the
187 * configure: Regenerate.
189 2005-09-30 James E. Wilson <wilson@specifix.com>
191 * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
193 (target_thread_file): New. Set from sed'ed gcc output.
194 (posix_threads): New. Set from target_thread_file. Use instead of
196 (pthread_create_version): Move initialization before code using it.
197 * configure: Regenerate.
199 * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
202 2005-09-29 James E. Wilson <wilson@specifix.com>
204 * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
205 with HAVE_MMAP ifdef.
207 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
210 * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
212 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
214 * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
216 2005-09-23 Tom Tromey <tromey@redhat.com>
218 * aclocal.m4, configure: Rebuilt.
219 * configure.ac: Use GCC_CHECK_TLS.
220 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
223 2005-08-22 Jim Wilson <wilson@specifix.com>
225 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
226 __FreeBSD__ is defined.
228 2005-08-17 Jim Wilson <wilson@specifix.com>
230 * mf-hooks1.c (malloc, calloc, realloc, free,
231 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
232 the real routines, and END_MALLOC_PROTECT afterwards.
233 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
234 (BEGIN_PROTECT): Handle in_malloc state.
235 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
236 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
238 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
240 * All files: Update FSF address.
242 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
244 * mf-hooks3.c (main_seen_p): Remove.
245 (__mf_get_state): Remove attempt to recognize the main thread.
247 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
249 * configure.ac: Test for the name of the symbol used for the entry
250 point; define ENTRY_POINT to the result.
251 * configure: Regenerate.
252 * config.h.in: Regenerate.
253 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
255 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
257 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
258 (__mf_init): Set thread state active.
259 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
261 (pthread_create wrapper): Always use thread spawner.
263 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
264 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
266 2005-07-16 Richard Henderson <rth@redhat.com>
268 * acinclude.m4: New file.
269 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
270 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
271 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
272 (__mf_0fn_calloc): ... here.
273 * mf-hooks3.c (struct pthread_info): Remove.
274 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
275 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
276 (struct mf_thread_data): New.
277 (mf_thread_data, mf_thread_data_lock): New.
278 (__mf_allocate_blank_threadinfo): Remove.
279 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
281 (__mf_state_perthread): Remove.
282 (__mf_get_state, __mf_set_state): New.
283 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
284 Update mf_thread_data killing procedure.
285 (__mf_pthread_spawner): Similarly.
286 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
287 code to allocate thread stack space.
288 (__mf_0fn_pthread_join, pthread_join): Remove.
289 (__mf_0fn_pthread_exit, pthread_exit): Remove.
290 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
291 (__mf_state_1): Rename from __mf_state; use TLS when available.
292 (__mf_get_state, __mf_set_state): New. Update all users.
293 * mf-runtime.c (begin_recursion_protect1): New.
294 (BEGIN_RECURSION_PROTECT): Use it.
295 (__mf_state_1): Rename from __mf_state; use TLS when available.
296 (threads_active_p): Remove.
297 (__mf_usage): Compute it directly.
299 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
301 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
303 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
305 Fix for uncaching bug reported by Herman ten Brugge.
306 * mf-runtime.c (__mf_uncache_object): Search whole cache.
307 * testsuite/libmudflap.c/fail40-frag.c: New test.
309 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
312 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
313 * Makefile.in: Amend.
315 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
318 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
319 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
321 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
324 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
326 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
329 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
330 unsigned vars with #defines instead of enums.
332 2005-05-09 Mike Stump <mrs@apple.com>
334 * configure: Regenerate.
336 2005-04-12 Mike Stump <mrs@apple.com>
338 * configure: Regenerate.
340 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
343 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
344 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
346 2005-04-04 Alan Modra <amodra@bigpond.net.au>
348 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
350 2005-03-31 Mike Stump <mrs@apple.com>
352 * mf-runtime.h: Add libmudflap copyright clause.
354 2005-03-21 Mike Stump <mrs@apple.com>
356 * mf-heuristics.c: Fix whitespace at end of line.
357 * mf-hooks1.c: Likewise.
358 * mf-hooks2.c: Likewise.
359 * mf-hooks3.c: Likewise.
360 * mf-impl.h: Likewise.
361 * mf-runtime.c: Likewise.
362 * mf-runtime.h: Likewise.
364 2005-03-21 Zack Weinberg <zack@codesourcery.com>
366 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
367 In all substitutions, expand gcc_version in Makefile.
368 * aclocal.m4, configure: Regenerate.
369 * Makefile.am: Set gcc_version.
370 * Makefile.in, testsuite/Makefile.in: Regenerate.
372 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
374 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
375 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
377 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
380 * testsuite/libmudflap.c++/pass55-frag.c: New test.
382 2005-01-05 Richard Henderson <rth@redhat.com>
384 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
386 2005-01-02 Greg McGary <greg@mcgary.org>
388 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
389 * mf-runtime.h: New file, replaces mf-runtime.h.in.
390 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
391 * Makefile.in: Ditto.
392 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
393 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
394 * testsuite/libmudflap.c/fail36-frag.c: New test.
395 * testsuite/libmudflap.c/fail37-frag.c: New test.
396 * testsuite/libmudflap.c/fail38-frag.c: New test.
398 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
400 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
401 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
403 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
405 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
406 * aclocal.m4: Include ../config/gcc-version.m4.
407 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
409 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
411 * Makefile.am: Define ACLOCAL_AMFLAGS.
412 * acinclude.m4: Remove.
413 * stamp-h.in: Remove superfluous stamp file.
414 * aclocal.m4, configure, Makefile.in: Regenerate.
415 * testsuite/Makefile.in: Likewise.
417 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
419 * Makefile.am: Revert previous.
420 * acinclude.m4: Restore.
421 * aclocal.m4, configure, Makefile.in: Regenerate.
422 * testsuite/Makefile.in: Likewise.
424 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
426 * Makefile.am: Define ACLOCAL_AMFLAGS.
427 * acinclude.m4: Remove.
428 * aclocal.m4, configure, Makefile.in: Regenerate.
429 * testsuite/Makefile.in: Likewise.
431 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
433 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
435 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
437 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
438 * testsuite/Makefile.in: Likewise.
440 2004-11-01 Andreas Schwab <schwab@suse.de>
442 * configure.ac: (target_alias): Default to $host_alias, not
444 * configure: Regenerated.
446 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
448 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
449 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
452 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
455 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
457 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
459 * configure.ac: Check for more headers, functions.
460 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
461 tracking overridden FILE buffers.
462 (fopen, setvbuf): New/revised hook functions for buffer overriding.
463 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
464 (fflush): Accept given NULL stream (means "all streams").
466 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
468 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
469 (__mf_adapt_cache): Use them all.
470 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
471 * testsuite/libmudflap.c++/ctors.exp: Ditto.
472 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
473 * configure, config.h.in: Regenerated.
475 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
477 * configure.ac: Checking for sys/socket.h once is enough.
478 * configure: Regenerated.
480 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
482 * configure.ac: Look for more headers & functions.
483 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
484 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
485 * mf-runtime.c (options): Clean up integer signedness warnings.
486 (main): Add a declaration to fix a warning.
487 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
488 * configure, config.h.in: Regenerated.
490 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
492 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
493 New tests for proper base/limit checking for aggregates.
495 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
497 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
499 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
501 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
502 * mf-hooks2.c (strerror): Unregister previous string returned by
504 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
505 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
506 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
507 * mf-runtime.c (__mf_describe_object): Clarify object life status.
508 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
510 * configure, config.h.in: Regenerated.
512 2004-08-03 Dale Johannesen <dalej@apple.com>
514 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
516 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
518 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
519 simplified contents in all former callers.
521 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
523 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
524 the statically linked case.
526 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
528 * splay-tree.[ch]: Remove. Merge contents into ...
529 * mf-runtime.c: ... here, renaming symbols and making all functions
530 static. Remove unused min/max functions.
531 * Makefile.am: Forget about splay-tree.[ch].
532 * Makefile.in, testsuite/Makefile.in: Regenerated.
534 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
536 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
537 (__mfu_usage): Include (C) 2004.
538 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
539 here. Include a comment explaining why.
541 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
543 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
544 * mf-runtime.c (options): Give them a name.
545 (__mf_set_default_options): Set them.
546 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
547 (__mf_violation): Warning cleanup.
548 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
549 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
551 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
554 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
557 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
559 Test case for g++/15861
560 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
561 * testsuite/libmudflap.c++/ctors.exp: Driver.
562 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
563 Look only for *frag* test cases.
565 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
567 ANSI C conversion, libmudflap specialization, recursion limiting.
568 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
569 argument and indirection function pointers, update callers.
570 (splay_tree_s): Add statistics and recursion control fields
571 num_keys, max_depth, depth, rebalance_p.
572 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
573 Back out of search if it exceeds limit.
574 (splay_tree_splay): Manage recursion limiting with rebalancing as
576 (splay_tree_new): More initialization.
577 (splay_tree_rebalance): New function.
578 (splay_tree_foreach): Rewrite using nonrecursive logic.
579 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
580 Remove. Point indirect calls to mf-runtime.c's routines.
581 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
583 (splay_tree_delete, splay_tree_delete_helper): Ditto.
584 * testsuite/heap-scalestress.c: New test based on one from
585 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
587 2004-07-05 Matthias Klose <doko@debian.org>
589 * libtool-version: New.
590 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
591 Use -version-info for soname.
592 * Makefile.in: Regenerate.
593 * configure.ac: Remove libtool_VERSION macro
594 * configure: Regenerate
596 2004-07-05 Zack Weinberg <zack@codesourcery.com>
598 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
599 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
602 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
604 Splay tree implementation fork.
605 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
606 Use hard-coded comparison function for uintptr_t. Remove key/value
607 deallocation logic. Cache last splayed key for consecutive lookups.
608 * Makefile.am, Makefile.in: Use them, don't link to them.
609 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
610 (__mf_find_objects2): Flip successor/predecessor search sequence.
611 * ansidecl.h, libiberty.h: Removed dummy files.
613 2004-06-29 Nick Clifton <nickc@redhat.com>
615 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
616 * configure: Regenerate.
617 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
619 Remove spurious inclusion of <strings.h>.
621 2004-06-29 Nick Clifton <nickc@redhat.com>
623 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
624 function actually exists.
626 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
628 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
629 * config.h.in: Regenerated.
631 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
633 Adopt splay trees for object database.
634 * Makefile.am: Copy splay-tree.* from libiberty.
635 * Makefile.in, testsuite/Makefile.in: Regenerated.
636 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
637 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
638 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
639 * mf-runtime.c: Rewrite code dealing with object database to use
640 libiberty splay trees. Remove tree liveness aging option.
641 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
643 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
645 * configure.ac: New name of configure.in. Update
646 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
647 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
648 Autoconf 2.5x and Automake 1.7 or later.
649 * configure.in: Remove.
650 * configure: Regenerate.
652 * Makefile.am: Remove useless multilib rules.
653 * Makefile.in: Regenerate.
655 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
657 * .cvsignore: New file.
659 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
662 * mf-hooks2.c (semctl): Add cygwin porting hack.
664 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
667 * configure.in: Look for ctype header and glibc implementation.
668 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
669 array hooks for glibc 2.3.
670 * mf-runtime.h.in: Wrap them.
671 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
673 * testsuite/libmudflap.c/pass47-frag.c: New test.
674 * configure, config.h.in: Regenerated.
676 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
678 Portability improvements, e.g., libmudflap/15293.
679 * configure.in: Look for glibc extension functions. Look for
680 support of -f{function,data}-sections. Look for more headers.
681 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
682 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
683 mf-hooks* into usual single object per source.
684 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
685 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
686 if system doesn't provide one.
687 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
688 (pthread_create): Use it to properly GC dead thread stacks.
689 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
690 * testsuite/Makefile.am: Stop generating site.exp.
691 * testsuite/mfconfig.exp.in: New file.
692 * testsuite/config/default.exp: Load new mfconfig.exp.
693 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
694 (prune_gcc_output): Add glibc static linking warnings.
695 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
696 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
697 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
698 Regenerated with autoconf 2.57 and automake 1.7.
700 2004-06-04 Per Bothner <per@bothner.com>
702 * configure.in (LIBMUDFLAPTH): Fix thinko.
704 * configure.in: Check for more headers.
705 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
707 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
708 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
710 2004-06-01 Andreas Jaeger <aj@suse.de>
712 * configure.in: Handle multilibs, support
713 --enable-version-specific-runtime-libs.
714 * Makefile.am (lib_LTLIBRARIES): Rename to ...
715 (toolexeclib_LTLIBRARIES): this for multilib support.
716 * Makefile.in: Regenerated.
717 * configure: Regenerated.
718 * aclocal.m4: Regenerated.
719 * config.h.in: Regenerated.
720 * testsuite/Makefile.in: Regenerated.
722 2004-06-01 Andreas Jaeger <aj@suse.de>
724 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
725 multilibs, using multilib directory instead of hardcoded path.
728 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
730 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
731 * Makefile.in: Ditto.
733 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
735 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
736 * aclocal.m4, configure: Rebuilt.
738 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
740 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
741 import some build settings from libstdc++-v3 testsuite_flags.
742 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
743 changes to pass test language.
745 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
746 quicker mode-nop handling.
748 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
750 * mf-impl.h: Added libgcc license header.
752 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
754 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
755 Added libgcc license header.
756 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
757 (pthread_create): Simplify stack allocation syntax.
759 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
761 * mf-hooks2.c: Support FreeBSD.
762 (WRAP_gets): Avoid gets().
763 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
764 test unimplemented mem/str calls on FreeBSD.
765 * testsuite/libmudflap.c/pass21-frag.c: Do not include
766 <alloca.h> on FreeBSD.
768 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
770 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
771 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
772 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
773 flags for static linking permutation.
774 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
775 some pthreads code that croaks on linux glibc tls.
777 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
779 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
781 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
783 * testsuite/libmudflap.c/pass44-frag.c: New test.
785 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
787 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
789 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
791 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
793 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
795 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
797 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
800 * configure.in: Add check for see if
801 socklen_t typedef is in sys/socket.h.
802 * mf-hooks1.c: Add define if socklen_t
804 * mf-hooks2.c: Likewise.
805 * mf-hooks3.c: Likewise.
806 * config.h.in: Regen.
809 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
811 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
812 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
814 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
815 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
816 (unoptimized) allocation of stack space.
818 2003-12-07 Richard Henderson <rth@redhat.com>
820 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
821 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
823 2003-12-06 Andrew Pinski <apinski@apple.com>
825 partial PR libmudflap/12670
826 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
827 * mf-hooks2.c: Likewise.
828 * mf-hooks3.c: Likewise.
830 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
833 * mf-runtime.h.in: Switch to #pragma redefine_extname for
834 symbols interposed at compile time.
835 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
838 * mf-hooks2.c (semctl): Tolerate FreeBSD.
840 * configure.in: Reorganize check for <pthread.h>.
841 * configure: Regenerated.
843 2003-11-04 David Edelsohn <edelsohn@gnu.org>
845 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
846 (_LARGE_FILE_API): Define for AIX.
847 * mf-hooks[123]: Same.
848 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
850 2003-10-21 David Edelsohn <edelsohn@gnu.org>
852 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
854 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
856 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
858 * configure.in: Update check for union semun.
860 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
863 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
865 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
868 * configure.in: Add checks for 64-bit LFS functions, struct semun
869 definition, for BSD compatibility.
870 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
871 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
872 * mf-hooks3.c: Ditto.
873 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
875 * configure, config.h.in: Regenerated.
877 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
879 Multithreading fixes:
880 * mf-runtime.c (__mf_object): Store allocating/deallocating
882 (options): Support new "-thread-stack" option.
883 Rename "-heur-argv-environ" option to "-heur-stdlib".
884 Disable "-lc-mask" and "-lc-shift" options.
885 (__mf_dynamic): Add function pointers for pthread_join/_exit.
886 (__assert_fail): New self-contained function for glibc.
887 * mf-hooks3.c: Essentially rewritten, particularly related to
888 use of __mf_pthread_info array.
889 (pthread_join, _exit): New hook functions.
890 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
891 * testsuite/libmudflap.cth/pass40-frag.c: New test.
894 * mf-heuristics.c: Add type casts for tracing, sub calls.
895 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
896 Update all callers to declare explicit result holder.
897 (END_PROTECT): Removed.
898 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
900 2003-07-15 Diego Novillo <dnovillo@redhat.com>
902 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
903 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
904 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
906 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
908 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
910 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
911 Move these macros from old mf-hooks.c here.
912 * Makefile.am: Adapt to split-up hook sources for faster builds.
913 * Makefile.in: Regenerated.
915 * mf-heuristics.c: Remove #if-0 block.
917 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
918 (__mf_starting_p): New state only for use while dlsym bootstrapping.
919 (CALL_REAL, __mf_init): Corresponding changes.
920 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
921 all callers to remove redundant "mf:" prefix.
922 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
923 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
924 (__mf_pthread_info): Become a hash table.
926 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
927 "dg-repetitions" directives to control test case execution.
928 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
930 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
932 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
934 * mf-hooks.c (alloca): Separate into stub.
935 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
936 malloc/free for alloca blocks.
937 (pthread_create): Tolerate failing pthread_attr_get* calls.
938 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
939 * mf-impl.h (CALL_WRAP): Remove macro.
940 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
941 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
942 padding for ia64 BIT_FIELD_REF constructs.
944 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
946 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
947 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
948 libmudflap object type.
949 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
950 crashes on unregistering STATIC objects.
952 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
954 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
955 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
956 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
957 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
958 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
959 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
960 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
961 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
962 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
963 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
964 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
965 (accept, bind, connect, gethostname, sethostname): New hooks.
966 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
967 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
968 (semop, semctl, shmctl, shmat, shmdt): New hooks.
969 * mf-runtime.h.in: Corresponding changes.
970 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
971 (opts) Rename heur_argv_environ to heur_std_data.
972 (__mf_wrap_main): Use STATIC type for argv/environ strings.
973 * Makefile.am: Corresponding changes.
974 * Makefile.in: Regenerated.
976 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
978 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
979 heuristic for threaded case, and for non-x86-linux targets.
980 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
981 for use during pre-main() program startup.
982 (__mf_0fn_*): Make these functions non-static.
983 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
985 * mf-runtime.c (__mf_state): Set initial state to "starting".
986 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
987 (__wrap_main): New function to register argv[] and environ[] strings.
989 (*): In all trace functions, use "%p" as formatter for uintptr_t.
991 * testsuite/libmudflap.c/pass38-frag.c: New test case.
992 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
994 * acinclude.m4: Add comments with aoliva's concerns about x86_64
996 * aclocal.m4, configure: Regenerated.
998 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
1000 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
1001 * aclocal.m4, configure: Regenerated.
1003 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
1005 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
1006 for x86_64 target. Disable caching for this value.
1007 * aclocal.m4, configure: Regenerated.
1009 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
1011 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
1012 is about to become deprecated, and its present handling bugs are
1015 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
1017 * testsuite/libmudflap.c/pass38-frag.c: New test for
1020 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1022 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
1023 __mf_report, asserting reentrant calling context.
1025 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1027 * mf-hooks.c (realloc): Correct reentrancy logic.
1028 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
1030 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
1032 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
1033 PTHREAD_THREADS_MAX. Update users.
1034 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
1036 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
1037 with libmudflapth presence indicator.
1038 * testsuite/Makefile.in: Regenerated.
1040 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
1042 * Makefile.am (AM_CFLAGS): Remove "-ansi".
1043 * configure.in: Remove silly no-pthreads => no-shared logic.
1044 * Makefile.in, configure: Regenerated.
1045 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
1046 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
1047 code. Count reentrancy events.
1048 (all hook functions): Don't directly manipulate __mf_state variable.
1049 Add TRACE calls to hook functions without them.
1050 * mf-impl.h (LOCKTH): Try to count lock contention events.
1051 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
1052 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
1053 Reorganize reentrancy code.
1054 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
1055 identify reentrancy with mutex holding times.
1056 (internal __mfu_ entry points): Remove internal reentrancy code.
1057 (__mf_init): Use ordinary locked calls.
1058 (__mfu_report): Print the two new counts.
1059 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
1060 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
1061 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
1062 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
1065 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
1067 * configure.in: Add pthread support, plus glibc and porting hacks.
1068 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
1069 from objects built into ./pth/.
1070 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
1071 functions for internal entry points. Update callers to pick
1072 locked vs. unlocked variants.
1073 (__mf_resolve_single_dynamic): Extend to support symbol versioning
1074 info coming in from a static data structure.
1075 (*): Reorder miscellaneous declarations to group data vs functions.
1076 (__mf_set_default_options): Simplify.
1077 (__mf_usage): Mention threading status of host executable.
1078 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
1079 decls to match above.
1080 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
1081 * mf-heuristics.c: Choose between locked/unlocked calls. Add
1082 some lock/unlock markers. Remove some unused code.
1084 (pthread_create): New hook function.
1085 (__mf_pthread_cleanup, _spawner): New helper functions.
1086 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
1088 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
1090 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
1092 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
1094 * Makefile.am (HOOKOBJS): Add *time related hooks.
1095 * configure.in: Look for pthreads.h header.
1096 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
1097 * mf-runtime.c: Begin sketching some pthreads support.
1098 (__mf_usage): Check for -lpthread presence.
1099 (__mf_unregister): Confirm matching unregistration base.
1100 (__mf_find_objects_rec): Reduce unnecessary recursion.
1101 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
1102 #defines for new hook functions.
1103 * mf-impl.h: Corresponding changes.
1104 * config.h.in, configure, Makefile.in: Regenerated.
1106 2002-04-27 Diego Novillo <dnovillo@redhat.com>
1108 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
1109 modifiers to prevent being optimized away.
1110 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
1111 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1112 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
1113 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1114 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
1115 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
1116 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
1118 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1120 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1121 * configure.in: Look for uintptr_t and -ldl on target.
1122 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1123 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1124 * testsuite/Makefile.in: Regenerated.
1125 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1126 for better C compliance.
1128 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1130 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1132 * mf-runtime.c (__mf_set_default_options): Turn off
1133 check-initialization.
1134 (__mf_describe_object): Shorten description.
1135 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1137 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
1139 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1141 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
1143 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1145 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1146 * mf-impl.h (CALL_BACKUP): New macros.
1147 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1149 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
1151 * Makefile.am (AM_CFLAGS): Remove optimization flags.
1152 (HOOKOBJS): Remove dlopen hook.
1153 (libmudflap_la_LIBADD): Add -ldl.
1154 * mf-hooks.c (dlopen): Remove hook.
1155 * mf-impl.h (__mf_dynamic): Ditto.
1156 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1157 * Makefile.in: Regenerated.
1159 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
1161 * configure.in: Check for target gettimeofday, signal, some headers.
1162 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
1163 out inop multi_threaded field.
1164 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1165 (__mf_set_options): Correct handling of "-help".
1166 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1167 (__mf_check, __mf_register, __mf_unregister): Call it.
1168 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1169 (__mf_report_leaks): Make callable
1170 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
1171 distribution statistics.
1172 (__mf_adapt_cache): Rewrite shift guessing logic based on address
1174 * config.h.in, configure: Regenerated.
1175 * testsuite/libmudflap.c/fail27-frag.c: New test.
1176 * testsuite/libmudflap.c/pass36-frag.c: New test.
1178 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
1180 * mf-runtime.h.in: Tweak.
1181 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1182 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1183 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1185 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1187 * configure.in: Tweak generation of mf-runtime.h some more. It
1188 needs to work from both config.status and configure.
1189 * configure: Regenerated.
1191 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1193 * Makefile.am: Reorganize hook file building. Add auto dependencies.
1194 * configure.in: Tweak generation of mf-runtime.h.
1195 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1196 * mf-hooks.c (*): Adapt to initialized-heap object type.
1197 * mf-impl.h: Tweak cemetary boundaries.
1198 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1200 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1201 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1202 * testsuite/lib/libmudflap.exp (includes): Include build tree.
1203 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1205 * testsuite/.../fail{25,26}-frag.c: New tests.
1206 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1207 * Makefile.in, configure: Regenerated.
1209 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1211 * mf-runtime.c (__mf_set_default_options): Turn on initialization
1212 checking by default.
1213 (__mf_insert_new_object): As a temporary hack, assume that new
1214 objects registered on the stack start out initialized.
1215 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1216 heap objects by hand.
1218 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1220 Switch to macro-style hooks for str*/mem*/b* functions.
1221 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1222 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1223 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1224 (__mf_set_default_options): Turn off heur_proc_map.
1225 (*): Adapt to to macro-style hook functions.
1226 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1227 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1228 (__mf_violation): Handle __MF_VIOL_WATCH.
1229 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1230 (__mf_dynamic): Removed mem*/str*/b* functions.
1231 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1232 (WRAPPER2): New macro for macro-style hooks.
1233 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1235 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1236 * mf-heuristics.c: Adapt to macro-style hook functions.
1237 Correct some comments.
1238 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1239 output pattern tests.
1240 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1241 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1243 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1245 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1246 for global array registration.
1247 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1248 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1250 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1252 * Makefile.am: Add gross make bug workarounds. Tweaked
1253 SUBDIRS and AM_CFLAGS.
1254 * Makefile.in: Regenerated.
1256 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1259 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1260 * Makefile.am (TESTS): Remove simple automake testing.
1261 * configure, Makefile.in: Regenerated.
1262 (SUBDIRS): Include new testsuite/ directory.
1263 * tests/*: Removed all files; moved bulk under:
1264 * testsuite/*: New subdirectory tree.
1265 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1266 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1267 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1268 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1269 * testsuite/config/default.exp: New file.
1270 * testsuite/Makefile.am, Makefile.in: New files.
1272 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1274 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1275 (TESTS): Add fail22 and pass29 tests.
1276 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1277 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1278 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1279 values. Move __MF_VIOL* here.
1280 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1281 (check_initialization): New field in __mf_opts. Default off.
1282 (read_count,write_count): New fields in __mf_object.
1283 (__mf_check): Implement basic initialization checking.
1284 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1285 (__mf_describe_object): Print new fields.
1286 (__mf_violation): Identify check/read vs. check/write in messages.
1287 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1288 "-check-initialized" mudflap option.
1289 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1290 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1291 Drop __FILE__/__LINE__ hack. Update callers.
1292 (*): Adapt to new mf-runtime.h API.
1293 * Makefile.in: regenerated.
1295 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1297 * configure.in: Build mf-runtime.h a more proper way.
1298 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1299 * mf-runtime.c (verbose_violations): Turn on by default.
1300 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1301 * mf-impl.h: ... and move it here.
1302 * configure: Regenerated.
1304 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1306 * configure.in: Look for C++ compiler.
1307 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1308 fixed type warnings when built with C++.
1309 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1310 * Makefile.am (TESTS): Run them.
1311 (*) Add new rules for building and running C++ tests.
1312 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1313 * mf-runtime.h.in: Protect with extern "C".
1314 * Makefile, configure: Regenerated.
1316 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1318 Portability improvements.
1319 * configure.in: Look for glibc backtrace headers/functions.
1320 * mf-hooks.c: Don't include <execinfo.h> any more.
1321 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1323 (__mf_backtrace): Provide alternate baby implementation in
1325 * test/mf-driver.c: Portability tweaks.
1326 * acinclude.m4: New file, containing top level libtool.m4.
1327 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1329 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1331 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1333 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1335 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1337 (__mf_unregister): Implement stack/heap object wiping.
1338 (__mf_set_options): Renamed from __mf_process_opts.
1339 (__mf_uncache_object): Change arg type, correct callers.
1340 * mf-impl.h: Corresponding changes.
1341 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1342 * mf-runtime.h.in (__mf_set_options): Extend public API.
1343 * test/pass26-frag.c: New test for stack wiping.
1344 * Makefile.am (TESTS): Run it.
1345 * Makefile.in: Regenerated.
1347 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1349 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1350 * mf-runtime.c (__mf_object_t): Add watching_p field.
1351 (__mf_watch_or_not): New function to implement
1352 object watch flagging.
1353 (__mf_watch, __mf_unwatch): New wrappers for above.
1354 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1355 (__mf_count_violation): Enlarge array.
1356 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1357 unlink object. Clear cache properly.
1358 (__mf_unregister): Unlink object explicitly before uncaching.
1359 * test/fail21-frag.c, pass25-frag.c: New tests.
1360 * Makefile.in, aclocal.m4: Regenerated.
1362 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1364 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1365 * Makefile.am (TESTS): Add it.
1366 * test/pass-stratcliff.c: Add decls of stpcpy.
1367 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1368 build tree from config.h and new file mf-runtime.h.in.
1369 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1370 * Makefile.in, configure, config.h.in: Regenerated.
1371 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1372 * mf-runtime.c (options, __mf_set_default_options): Support new
1373 default "abbreviate" option.
1374 (__mf_object.description_epoch): New field.
1375 (__mf_describe_object): Conditionally abbreviate objects already
1376 displayed in current epoch. Accept NULL input to increment epoch.
1377 (__mf_fini, __mf_ini): Reset description epoch.
1378 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1379 that NULL pointer slot in lookup cache is invalidated. Register a
1380 NOACCESS region around NULL.
1381 * mf-impl.h: Corresponding changes.
1383 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1385 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1386 * Makefile.am: Run them. Install mf-runtime.h.
1387 * Makefile.in: Regenerated.
1388 * mf-hooks.c: Add some markers for more missing functions.
1389 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1390 statistic to tune tune cache size (mask).
1392 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1394 * test/pass23-frag.c: New test for bit_field_ref expressions.
1395 * Makefile.am, Makefile.in: Add new test.
1396 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1397 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1398 * mf-runtime.c (__mf_init): Register errno global.
1399 (__mf_find_object): Removed function.
1400 (__mf_check): Rewrite logic to support accesses across some
1401 contiguous but distinctly registered objects.
1402 (__mf_remove_old_object): Tolerate cache entries that span
1405 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1407 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1408 * Makefile.am, Makefile.in: Run new tests.
1409 * mf-hooks.c (alloca): Correct stack direction logic.
1411 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1413 * mf-impl.h (adapt_cache): New option.
1414 * mf-runtime.c (__mf_set_default_options): Set its default value.
1415 Tweak the tree_aging parameter down.
1416 (__mf_check): Maintain separate counter for cache-adaptation.
1417 (__mf_tree_analyze): New function to collect object tree stats.
1418 (__mf_adapt_cache): New function to automate cache parameters.
1420 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1422 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1423 hypothetical #if-0'd argv/envp region registration.
1424 * mf-runtime.c (__mf_init): Add kludged form of above.
1425 (*) Add "heur_argv_environ" flag, default on, to govern this.
1426 * mf-impl.h: Corresponding changes.
1428 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1430 * test/fail18-frag.c: New test file for NOACCESS regions.
1431 * Makefile.am (TESTS): Add new test.
1432 * Makefile.in: Regenerated.
1434 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1435 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1436 (optimize_object_tree): Remove unused mudflap_option.
1437 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1438 support throughout. Use .._MAX_CEM for cemetary upper bound.
1439 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1441 (__mf_object): Add new liveness field for use by tree aging.
1442 (__mf_check): Trigger tree aging when needed.
1443 (__mf_age_tree): New function to decay liveness field.
1444 (__mf_find_objects_rec): Use liveness field to rotate tree.
1445 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1446 (__mf_unregister): Ditto.
1447 (__mf_register): Tweak duplicate-static message.
1448 (__mf_violation: Tweak nearby-object counter printing.
1450 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1452 * test/pass20-frag.c: New test file.
1453 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1454 * Makefile.in: Regenerated.
1456 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1457 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1458 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1459 entries to avoid repeat registration.
1460 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1461 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1463 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1465 * Makefile.am: Create test sources with #include, not cat>>.
1466 * Makefile.in: Regenerated.
1467 * test/buildtest.sh: Removed.
1468 * test/driver.c (abort_handler, main): Be quiet.
1470 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1472 * test/pass18-frag.c, pass19-frag.c: New tests.
1473 * Makefile.am (check): Run them. Rebuild test programs each time.
1474 * Makefile.in: Regenerated.
1476 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1478 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1479 overlapping object search.
1480 (__mf_violation): Likewise for nearby objects.
1481 Improve nearby-object listing.
1484 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1485 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1487 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1490 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1491 (HOOKOBJS): Add alloca-hook.o.
1492 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1494 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1495 (__mf_backtrace): Reimplement without using alloca.
1496 * Makefile.in: Regenerated.
1499 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1500 Correct signedness bugs in length-tracking variables.
1501 * mf-impl.h: Make options unsigned.
1502 (CALL_WRAP): New macro to parallel CALL_REAL().
1503 (DECLARE): Remove erroneous ";" at end.
1504 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1505 formatting specs with %08lx. Correct several compiler warnings.
1507 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1509 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1511 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1513 libmudflap hook breakup:
1514 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1516 (TESTS): Make dependent on libmudflap.
1517 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1518 compiled from segments of mf-hooks.c.
1519 * mf-hooks.c: Corresponding changes: wrap each function in
1521 * Makefile.in: Regenerated.
1523 Heuristics reorganization:
1524 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1525 Remove these functions. Update callers.
1526 (__mf_heuristic_check): Incorporate all the various heuristics.
1527 Encode cacheability/retry judgement into trinary return value.
1528 Separate start-end logic into a separate fallback heuristic. Only
1529 register relevant /proc/self/map segments.
1530 * mf-impl.h: Corresponding changes.
1531 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1532 (__mf_init): Don't call __mf_init_heuristics.
1535 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1536 "-verbose-trace" to emit all tracing messages other than those of
1537 basic public api. Eliminate some duplicate/excessive messages.
1538 * mf-runtime.h: Corresponding changes.
1540 2002-08-27 Graydon Hoare <graydon@redhat.com>
1542 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1543 and __real when compiled with -DPIC.
1544 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1545 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1546 * Makefile.in: Regenerate.
1548 2002-08-26 Graydon Hoare <graydon@redhat.com>
1550 * mf-impl.h: New file, private implementation header.
1551 * mf-runtime.h: Reorganize a bit.
1552 (CLAMPSZ): Fix arithmetic.
1553 (__MF_CACHE_MISS_P): Fix arithmetic.
1554 * mf-runtime.c: Reorganize a bit.
1555 (__mf_dynamic): New structure.
1556 (resolve_single_dynamic): New function.
1557 (__mf_resolve_dynamics): New function.
1558 (__mf_init): Initialize dynamic wrappers.
1559 * mf-hooks.c: Macro-ize __real calls.
1560 Clamp various bits of arithmetic.
1561 Add explicit __mf_check call contexts.
1562 * Makefile.am: Add dependencies on mf-impl.h
1563 * Makefile.in: Regenerate.
1564 * configure.in: Comment out shared override.
1565 * configure: Regenerate.
1567 2002-08-22 Graydon Hoare <graydon@redhat.com>
1569 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1570 (__mf_check): Re-inialize and check heuristics before violation.
1571 (__mf_register): Permit updating pure-guess regions.
1572 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1573 (__wrap_dlopen): New wrapper function.
1574 (__wrap_mmap): New wrapper function.
1575 (__wrap_munmap): New wrapper function.
1576 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1577 which are not stack addresses.
1578 (is_stack_address): New function.
1579 (__mf_init_heuristics): Save and restore state, always initialize with
1582 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1584 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1585 error. Pass location string.
1586 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1587 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1588 (__mf_process_opts): Apply some sanity checking for lc-mask.
1589 (__mf_check, __mf_violation): Take new location-string argument.
1590 Update callers to pass NULL if necessary.
1591 (__mf_backtrace): New smart backtracer function. Calls replace
1592 several ad-hoc blocks elsewhere.
1593 (__mf_describe_object): Remove bad reentrancy test. Improve
1595 * mf-runtime.h: Corresponding changes. Public/private markup.
1596 (__MF_CACHE_MISS_P): New macro.
1598 2002-08-20 Graydon Hoare <graydon@redhat.com>
1600 * mf-runtime.h: New option: stack_bound (heuristic).
1601 Move some macros out of implementation files.
1602 * mf-runtime.c: New option string: -stack-bound.
1603 Unify recursion protection with hooks.
1605 (__mf_check): Call __mf_heuristic_check.
1606 (__mf_process_opts): Fix "no-" processing.
1607 * mf-heuristics.c (__mf_heuristic_check): New function.
1608 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1610 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1612 Option parsing improvements, region splitting bug fixes:
1613 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1614 * mf-runtime.h (heur_proc_map): New libmudflap option.
1615 * mf-runtime.c (__mf_set_default_options): Set it.
1616 (__mf_usage): Print default values/status.
1617 (__mf_process_opts): Support general "no-" option string prefix.
1618 (__mf_init): Print __mf_usage on unknown-option error.
1619 (__mf_register): Print trace message up front.
1620 Correct region splitting logic for case where a subregion disappears.
1621 Correct memory leak.
1622 (__mf_violation): Make even basic message conditional on option.
1625 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1626 (clean-local): New target.
1627 (test/*x rules): Add -g CFLAGS.
1628 (CFLAGS): Add -freorder-blocks.
1629 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1630 * Makefile.in: Regenerated.
1631 * Makefile, mf-config.h: Removed files.
1633 2002-08-16 Graydon Hoare <graydon@redhat.com>
1635 * mf-runtime.c (__mf_insert_new_object): Factor out of
1637 (__mf_remove_old_object): Factor out of __mf_unregister.
1638 (__mf_register): Handle guessed regions, splitting
1639 guesses when new registrations arrive.
1640 (__mf_unregister): Do not unregister guesses.
1641 * mf-runtime.h: Move convenience macros around,
1642 declare new option fields. Add __MF_TYPE_GUESS.
1643 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1644 (__wrap_free): Call __real_free for deferred frees.
1645 * Makefile.am: Add more tests, fix dependency.
1646 * Makefile.in: Regenerate.
1647 * test/pass[13..17]-frag.c: New testcases.
1648 * test/fail[13..17]-frag.c: New testcases.
1650 2002-08-15 Graydon Hoare <graydon@redhat.com>
1652 * mf-heuristics.c: New file.
1653 * mf-runtime.c (options): Add -trace-calls option.
1654 (__mf_init): Call __mf_init_heuristics.
1656 2002-08-14 Graydon Hoare <graydon@redhat.com>
1658 * Makefile.am (TESTS): Add testsuite support.
1659 * Makefile.in: Regenerate.
1660 * test/mf-driver.c: New file.
1661 * test/buildtest.sh: New file.
1662 * test/passNN-frag.c: New testcases.
1663 * test/failNN-frag.c: New testcases.
1665 2002-08-14 Graydon Hoare <graydon@redhat.com>
1667 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1668 verifying non-size-limited string extents.
1670 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1672 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1673 instead of plain str[n]len for internal checks.
1674 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1676 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1678 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1680 2002-08-13 Graydon Hoare <graydon@redhat.com>
1682 * mf-runtime.c: Rework configuration to operate on
1683 environment variable options rather than #defines
1684 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1685 (__mf_init): Set static __mf_active_p flag on startup,
1686 to inhibit mudflap wrap-based checking during crt0.s.
1687 * mf-runtime.h: Declare options structure.
1688 * mf-hooks.c: New wrappings for mem*, b*, str*
1689 libc functions (temporarily #if 0-ed out).
1691 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1693 * Makefile.am, configure.in: New files.
1694 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1695 * stamp-h.in, aclocal.m4: Ditto.
1697 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1699 * Makefile: New file.
1700 * mf-config.h: New file: runtime configuration.
1701 * mf-hooks.c: New file: interposed libc functions.
1702 * mf-runtime.c: New file: bulk of runtime.
1703 * mf-runtime.h: New file: public functions.