1 2009-02-03 Jakub Jelinek <jakub@redhat.com>
3 * mf-runtime.c (__mf_usage): Update copyright notice dates.
5 2009-01-23 Jie Zhang <jie.zhang@analog.com>
7 * mf-impl.h (__mf_get_state, __mf_set_state): Don't use
8 __thread when TLS support is emulated.
9 * mf-hooks3.c (__mf_get_state, __mf_set_state): Likewise.
10 * mf-runtime.c (__mf_state_1): Likewise.
11 * configure.ac: Use GCC_CHECK_EMUTLS.
12 * configure: Regenerate.
13 * config.h.in: Regenerate.
15 2008-12-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
17 * configure: Regenerate.
19 2008-11-26 Janis Johnson <janis187@us.ibm.com>
22 * testsuite/lib/mfdg.exp (dg-test): Use new timeout support.
24 (standard-wait): Remove.
25 * testsuite/lib/libmudflap.exp: Include new timeout library files.
26 (libmudflap_target_compile): Set timeout value from new proc.
28 2008-11-10 Jakub Jelinek <jakub@redhat.com>
31 * testsuite/libmudflap.c/pass67-frag.c: New test.
33 2008-10-09 Jakub Jelinek <jakub@redhat.com>
36 * testsuite/libmudflap.c++/pass66-frag.cxx: New test.
38 2008-09-26 Peter O'Gorman <pogma@thewrittenword.com>
39 Steve Ellcey <sje@cup.hp.com>
41 * configure: Regenerate for new libtool.
43 * testsuite/Makefile.in: Ditto.
45 2008-09-15 Jakub Jelinek <jakub@redhat.com>
48 * testsuite/libmudflap.c/pass64-frag.c: New test.
50 2008-06-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
52 * Makefile.in: Regenerate.
53 * config.h.in: Regenerate.
54 * configure: Regenerate.
55 * testsuite/Makefile.in: Regenerate.
57 2008-04-18 Paolo Bonzini <bonzini@gnu.org>
60 * aclocal.m4: Regenerate.
61 * configure: Regenerate.
63 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
65 * testsuite/libmudflap.c/pass63-frag.c: New test.
67 2008-03-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
69 * aclocal.m4: Regenerate.
70 * configure: Likewise.
71 * Makefile.in: Likewise.
72 * testsuite/Makefile.in: Likewise.
74 2008-03-02 Jakub Jelinek <jakub@redhat.com>
76 * mf-runtime.c (__mf_usage): Update copyright notice dates.
78 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
80 * testsuite/libmudflap.c/fail8-frag.c: Adjust scan pattern for
82 * testsuite/libmudflap.c/fail9-frag.c: Ditto.
84 2008-01-24 David Edelsohn <edelsohn@gnu.org>
86 * configure: Regenerate.
88 2008-01-05 Jakub Jelinek <jakub@redhat.com>
90 PR tree-optimization/34618
91 * testsuite/libmudflap.c/pass62-frag.c: New test.
93 2008-01-03 Jakub Jelinek <jakub@redhat.com>
96 * testsuite/libmudflap.c++/pass61-frag.cxx: New test.
98 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
101 * testsuite/libmudflap.c++/pass60-frag.cxx: New test.
103 2007-10-15 Maciej W. Rozycki <macro@linux-mips.org>
105 * configure: Regenerate following changes to ../config/tls.m4.
107 2007-07-26 Tom Tromey <tromey@redhat.com>
109 * Makefile.in: Rebuilt.
110 * Makefile.am (clean-local): Removed.
111 (pth/mf-runtime.lo, pth/mf-heuristics.lo, pth/mf-hooks1.lo,
112 pth/mf-hooks2.lo, pth/mf-hooks3.lo): Likewise.
113 (libmudflapth_la_SOURCES): List sources.
114 (libmudflapth_la_LIBADD): Clear.
115 (libmudflapth_la_CFLAGS): New variable.
117 2007-07-05 H.J. Lu <hongjiu.lu@intel.com>
119 * aclocal.m4: Regenerated.
121 2007-06-02 Paolo Bonzini <bonzini@gnu.org>
123 * configure: Regenerate.
125 2007-05-31 Frank Ch. Eigler <fche@redhat.com>
127 From Andi Kleen <ak@suse.de>:
128 * mf-runtime.c (options): Rename structure for compatibility with
131 2007-05-23 Steve Ellcey <sje@cup.hp.com>
133 * Makefile.in: Regenerate.
134 * configure: Regenerate.
135 * aclocal.m4: Regenerate.
136 * testsuite/Makefile.in: Regenerate.
138 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
140 * testsuite/libmudflap.cth/pass59-frag.c (main): Fix casting of arg.
142 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
144 * Makefile.am: Add dummy install-pdf target.
145 * Makefile.in: Regenerate
147 2007-02-07 Jakub Jelinek <jakub@redhat.com>
150 * configure: Regenerate.
152 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
154 * configure: Regenerate.
156 2006-11-13 Daniel Jacobowitz <dan@codesourcery.com>
158 * configure: Regenerated.
160 2006-11-10 Frank Ch. Eigler <fche@redhat.com>
163 * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
164 static but not function scope static.
165 (free): Skip deallocation attempts for objects placed into
167 * testsuite/libmudflap.cth/pass59-frag.c: New test.
169 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
171 From Herman ten Brugge <hermantenbrugge@home.nl>:
172 * mf-runtime.c (__mf_uncache_object): Optimize the code so that
173 small and large objects are handled a lot faster.
175 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
177 * configure.ac (__libc_freeres): Look for it.
178 * mf-impl.h (call_libc_freeres): New configuration flag.
179 * mf-runtime.c (__mf_set_default_options): Set it by default.
180 (__mfu_report): Call it if needed.
181 (__mfu_unregister): Remove "unaccessed registered object" warning.
182 * configure, config.h.in: Regenerated.
184 2006-09-18 Tom Tromey <tromey@redhat.com>
186 * configure: Rebuilt.
188 2006-06-21 Frank Ch. Eigler <fche@redhat.com>
191 mf-runtime.h installation based on ssp patch for PR 26473 from
192 Mark Mitchell <mark@codesourcery.com>.
193 * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
194 * Makefile.am (target_noncanonical): Define.
195 (libsubincludedir): New variable.
196 (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
197 (include_HEADERS): Remove.
198 * configure, aclocal.m4, config.h.in: Regenerated.
199 * Makefile.in, testsuite/Makefile.in: Likewise.
200 * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
201 and _THREAD_SAFE redefinition values.
203 2006-05-23 Carlos O'Donell <carlos@codesourcery.com>
205 * Makefile.am: Add install-html target. Add install-html to .PHONY
206 * Makefile.in: Regenerate.
208 2006-04-19 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
211 * testsuite/libmudflap.c++/error1-frag.cxx: New test.
214 * testsuite/libmudflap.c++/error2-frag.cxx: New test.
216 2006-04-10 Matthias Klose <doko@debian.org>
218 * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
219 directory names containing underscores.
221 2005-11-22 Janis Johnson <janis187@us.ibm.com>
223 * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
224 MUDFLAP_FLAGS if static library not supported.
225 * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
226 * testsuite/libmudflap.c/externs.exp: Ditto.
227 * testsuite/libmudflap.c++/ctors.exp: Ditto.
228 * testsuite/libmudflap.c++/c++frags.exp: Ditto.
229 * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
231 2005-10-04 James E Wilson <wilson@specifix.com>
233 * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
234 $name as array of characters with unknown bound. Also store into the
236 * configure: Regenerate.
238 2005-09-30 James E. Wilson <wilson@specifix.com>
240 * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
242 (target_thread_file): New. Set from sed'ed gcc output.
243 (posix_threads): New. Set from target_thread_file. Use instead of
245 (pthread_create_version): Move initialization before code using it.
246 * configure: Regenerate.
248 * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
251 2005-09-29 James E. Wilson <wilson@specifix.com>
253 * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
254 with HAVE_MMAP ifdef.
256 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
259 * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
261 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
263 * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
265 2005-09-23 Tom Tromey <tromey@redhat.com>
267 * aclocal.m4, configure: Rebuilt.
268 * configure.ac: Use GCC_CHECK_TLS.
269 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
272 2005-08-22 Jim Wilson <wilson@specifix.com>
274 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
275 __FreeBSD__ is defined.
277 2005-08-17 Jim Wilson <wilson@specifix.com>
279 * mf-hooks1.c (malloc, calloc, realloc, free,
280 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
281 the real routines, and END_MALLOC_PROTECT afterwards.
282 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
283 (BEGIN_PROTECT): Handle in_malloc state.
284 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
285 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
287 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
289 * All files: Update FSF address.
291 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
293 * mf-hooks3.c (main_seen_p): Remove.
294 (__mf_get_state): Remove attempt to recognize the main thread.
296 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
298 * configure.ac: Test for the name of the symbol used for the entry
299 point; define ENTRY_POINT to the result.
300 * configure: Regenerate.
301 * config.h.in: Regenerate.
302 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
304 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
306 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
307 (__mf_init): Set thread state active.
308 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
310 (pthread_create wrapper): Always use thread spawner.
312 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
313 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
315 2005-07-16 Richard Henderson <rth@redhat.com>
317 * acinclude.m4: New file.
318 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
319 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
320 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
321 (__mf_0fn_calloc): ... here.
322 * mf-hooks3.c (struct pthread_info): Remove.
323 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
324 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
325 (struct mf_thread_data): New.
326 (mf_thread_data, mf_thread_data_lock): New.
327 (__mf_allocate_blank_threadinfo): Remove.
328 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
330 (__mf_state_perthread): Remove.
331 (__mf_get_state, __mf_set_state): New.
332 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
333 Update mf_thread_data killing procedure.
334 (__mf_pthread_spawner): Similarly.
335 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
336 code to allocate thread stack space.
337 (__mf_0fn_pthread_join, pthread_join): Remove.
338 (__mf_0fn_pthread_exit, pthread_exit): Remove.
339 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
340 (__mf_state_1): Rename from __mf_state; use TLS when available.
341 (__mf_get_state, __mf_set_state): New. Update all users.
342 * mf-runtime.c (begin_recursion_protect1): New.
343 (BEGIN_RECURSION_PROTECT): Use it.
344 (__mf_state_1): Rename from __mf_state; use TLS when available.
345 (threads_active_p): Remove.
346 (__mf_usage): Compute it directly.
348 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
350 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
352 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
354 Fix for uncaching bug reported by Herman ten Brugge.
355 * mf-runtime.c (__mf_uncache_object): Search whole cache.
356 * testsuite/libmudflap.c/fail40-frag.c: New test.
358 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
361 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
362 * Makefile.in: Amend.
364 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
367 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
368 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
370 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
373 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
375 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
378 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
379 unsigned vars with #defines instead of enums.
381 2005-05-09 Mike Stump <mrs@apple.com>
383 * configure: Regenerate.
385 2005-04-12 Mike Stump <mrs@apple.com>
387 * configure: Regenerate.
389 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
392 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
393 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
395 2005-04-04 Alan Modra <amodra@bigpond.net.au>
397 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
399 2005-03-31 Mike Stump <mrs@apple.com>
401 * mf-runtime.h: Add libmudflap copyright clause.
403 2005-03-21 Mike Stump <mrs@apple.com>
405 * mf-heuristics.c: Fix whitespace at end of line.
406 * mf-hooks1.c: Likewise.
407 * mf-hooks2.c: Likewise.
408 * mf-hooks3.c: Likewise.
409 * mf-impl.h: Likewise.
410 * mf-runtime.c: Likewise.
411 * mf-runtime.h: Likewise.
413 2005-03-21 Zack Weinberg <zack@codesourcery.com>
415 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
416 In all substitutions, expand gcc_version in Makefile.
417 * aclocal.m4, configure: Regenerate.
418 * Makefile.am: Set gcc_version.
419 * Makefile.in, testsuite/Makefile.in: Regenerate.
421 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
423 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
424 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
426 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
429 * testsuite/libmudflap.c++/pass55-frag.c: New test.
431 2005-01-05 Richard Henderson <rth@redhat.com>
433 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
435 2005-01-02 Greg McGary <greg@mcgary.org>
437 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
438 * mf-runtime.h: New file, replaces mf-runtime.h.in.
439 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
440 * Makefile.in: Ditto.
441 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
442 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
443 * testsuite/libmudflap.c/fail36-frag.c: New test.
444 * testsuite/libmudflap.c/fail37-frag.c: New test.
445 * testsuite/libmudflap.c/fail38-frag.c: New test.
447 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
449 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
450 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
452 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
454 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
455 * aclocal.m4: Include ../config/gcc-version.m4.
456 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
458 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
460 * Makefile.am: Define ACLOCAL_AMFLAGS.
461 * acinclude.m4: Remove.
462 * stamp-h.in: Remove superfluous stamp file.
463 * aclocal.m4, configure, Makefile.in: Regenerate.
464 * testsuite/Makefile.in: Likewise.
466 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
468 * Makefile.am: Revert previous.
469 * acinclude.m4: Restore.
470 * aclocal.m4, configure, Makefile.in: Regenerate.
471 * testsuite/Makefile.in: Likewise.
473 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
475 * Makefile.am: Define ACLOCAL_AMFLAGS.
476 * acinclude.m4: Remove.
477 * aclocal.m4, configure, Makefile.in: Regenerate.
478 * testsuite/Makefile.in: Likewise.
480 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
482 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
484 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
486 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
487 * testsuite/Makefile.in: Likewise.
489 2004-11-01 Andreas Schwab <schwab@suse.de>
491 * configure.ac: (target_alias): Default to $host_alias, not
493 * configure: Regenerated.
495 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
497 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
498 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
501 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
504 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
506 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
508 * configure.ac: Check for more headers, functions.
509 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
510 tracking overridden FILE buffers.
511 (fopen, setvbuf): New/revised hook functions for buffer overriding.
512 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
513 (fflush): Accept given NULL stream (means "all streams").
515 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
517 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
518 (__mf_adapt_cache): Use them all.
519 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
520 * testsuite/libmudflap.c++/ctors.exp: Ditto.
521 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
522 * configure, config.h.in: Regenerated.
524 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
526 * configure.ac: Checking for sys/socket.h once is enough.
527 * configure: Regenerated.
529 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
531 * configure.ac: Look for more headers & functions.
532 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
533 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
534 * mf-runtime.c (options): Clean up integer signedness warnings.
535 (main): Add a declaration to fix a warning.
536 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
537 * configure, config.h.in: Regenerated.
539 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
541 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
542 New tests for proper base/limit checking for aggregates.
544 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
546 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
548 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
550 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
551 * mf-hooks2.c (strerror): Unregister previous string returned by
553 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
554 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
555 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
556 * mf-runtime.c (__mf_describe_object): Clarify object life status.
557 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
559 * configure, config.h.in: Regenerated.
561 2004-08-03 Dale Johannesen <dalej@apple.com>
563 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
565 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
567 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
568 simplified contents in all former callers.
570 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
572 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
573 the statically linked case.
575 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
577 * splay-tree.[ch]: Remove. Merge contents into ...
578 * mf-runtime.c: ... here, renaming symbols and making all functions
579 static. Remove unused min/max functions.
580 * Makefile.am: Forget about splay-tree.[ch].
581 * Makefile.in, testsuite/Makefile.in: Regenerated.
583 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
585 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
586 (__mfu_usage): Include (C) 2004.
587 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
588 here. Include a comment explaining why.
590 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
592 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
593 * mf-runtime.c (options): Give them a name.
594 (__mf_set_default_options): Set them.
595 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
596 (__mf_violation): Warning cleanup.
597 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
598 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
600 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
603 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
606 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
608 Test case for g++/15861
609 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
610 * testsuite/libmudflap.c++/ctors.exp: Driver.
611 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
612 Look only for *frag* test cases.
614 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
616 ANSI C conversion, libmudflap specialization, recursion limiting.
617 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
618 argument and indirection function pointers, update callers.
619 (splay_tree_s): Add statistics and recursion control fields
620 num_keys, max_depth, depth, rebalance_p.
621 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
622 Back out of search if it exceeds limit.
623 (splay_tree_splay): Manage recursion limiting with rebalancing as
625 (splay_tree_new): More initialization.
626 (splay_tree_rebalance): New function.
627 (splay_tree_foreach): Rewrite using nonrecursive logic.
628 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
629 Remove. Point indirect calls to mf-runtime.c's routines.
630 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
632 (splay_tree_delete, splay_tree_delete_helper): Ditto.
633 * testsuite/heap-scalestress.c: New test based on one from
634 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
636 2004-07-05 Matthias Klose <doko@debian.org>
638 * libtool-version: New.
639 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
640 Use -version-info for soname.
641 * Makefile.in: Regenerate.
642 * configure.ac: Remove libtool_VERSION macro
643 * configure: Regenerate
645 2004-07-05 Zack Weinberg <zack@codesourcery.com>
647 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
648 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
651 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
653 Splay tree implementation fork.
654 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
655 Use hard-coded comparison function for uintptr_t. Remove key/value
656 deallocation logic. Cache last splayed key for consecutive lookups.
657 * Makefile.am, Makefile.in: Use them, don't link to them.
658 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
659 (__mf_find_objects2): Flip successor/predecessor search sequence.
660 * ansidecl.h, libiberty.h: Removed dummy files.
662 2004-06-29 Nick Clifton <nickc@redhat.com>
664 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
665 * configure: Regenerate.
666 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
668 Remove spurious inclusion of <strings.h>.
670 2004-06-29 Nick Clifton <nickc@redhat.com>
672 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
673 function actually exists.
675 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
677 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
678 * config.h.in: Regenerated.
680 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
682 Adopt splay trees for object database.
683 * Makefile.am: Copy splay-tree.* from libiberty.
684 * Makefile.in, testsuite/Makefile.in: Regenerated.
685 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
686 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
687 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
688 * mf-runtime.c: Rewrite code dealing with object database to use
689 libiberty splay trees. Remove tree liveness aging option.
690 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
692 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
694 * configure.ac: New name of configure.in. Update
695 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
696 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
697 Autoconf 2.5x and Automake 1.7 or later.
698 * configure.in: Remove.
699 * configure: Regenerate.
701 * Makefile.am: Remove useless multilib rules.
702 * Makefile.in: Regenerate.
704 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
706 * .cvsignore: New file.
708 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
711 * mf-hooks2.c (semctl): Add cygwin porting hack.
713 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
716 * configure.in: Look for ctype header and glibc implementation.
717 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
718 array hooks for glibc 2.3.
719 * mf-runtime.h.in: Wrap them.
720 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
722 * testsuite/libmudflap.c/pass47-frag.c: New test.
723 * configure, config.h.in: Regenerated.
725 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
727 Portability improvements, e.g., libmudflap/15293.
728 * configure.in: Look for glibc extension functions. Look for
729 support of -f{function,data}-sections. Look for more headers.
730 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
731 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
732 mf-hooks* into usual single object per source.
733 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
734 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
735 if system doesn't provide one.
736 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
737 (pthread_create): Use it to properly GC dead thread stacks.
738 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
739 * testsuite/Makefile.am: Stop generating site.exp.
740 * testsuite/mfconfig.exp.in: New file.
741 * testsuite/config/default.exp: Load new mfconfig.exp.
742 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
743 (prune_gcc_output): Add glibc static linking warnings.
744 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
745 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
746 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
747 Regenerated with autoconf 2.57 and automake 1.7.
749 2004-06-04 Per Bothner <per@bothner.com>
751 * configure.in (LIBMUDFLAPTH): Fix thinko.
753 * configure.in: Check for more headers.
754 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
756 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
757 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
759 2004-06-01 Andreas Jaeger <aj@suse.de>
761 * configure.in: Handle multilibs, support
762 --enable-version-specific-runtime-libs.
763 * Makefile.am (lib_LTLIBRARIES): Rename to ...
764 (toolexeclib_LTLIBRARIES): this for multilib support.
765 * Makefile.in: Regenerated.
766 * configure: Regenerated.
767 * aclocal.m4: Regenerated.
768 * config.h.in: Regenerated.
769 * testsuite/Makefile.in: Regenerated.
771 2004-06-01 Andreas Jaeger <aj@suse.de>
773 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
774 multilibs, using multilib directory instead of hardcoded path.
777 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
779 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
780 * Makefile.in: Ditto.
782 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
784 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
785 * aclocal.m4, configure: Rebuilt.
787 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
789 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
790 import some build settings from libstdc++-v3 testsuite_flags.
791 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
792 changes to pass test language.
794 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
795 quicker mode-nop handling.
797 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
799 * mf-impl.h: Added libgcc license header.
801 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
803 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
804 Added libgcc license header.
805 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
806 (pthread_create): Simplify stack allocation syntax.
808 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
810 * mf-hooks2.c: Support FreeBSD.
811 (WRAP_gets): Avoid gets().
812 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
813 test unimplemented mem/str calls on FreeBSD.
814 * testsuite/libmudflap.c/pass21-frag.c: Do not include
815 <alloca.h> on FreeBSD.
817 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
819 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
820 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
821 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
822 flags for static linking permutation.
823 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
824 some pthreads code that croaks on linux glibc tls.
826 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
828 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
830 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
832 * testsuite/libmudflap.c/pass44-frag.c: New test.
834 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
836 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
838 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
840 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
842 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
844 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
846 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
849 * configure.in: Add check for see if
850 socklen_t typedef is in sys/socket.h.
851 * mf-hooks1.c: Add define if socklen_t
853 * mf-hooks2.c: Likewise.
854 * mf-hooks3.c: Likewise.
855 * config.h.in: Regen.
858 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
860 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
861 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
863 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
864 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
865 (unoptimized) allocation of stack space.
867 2003-12-07 Richard Henderson <rth@redhat.com>
869 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
870 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
872 2003-12-06 Andrew Pinski <apinski@apple.com>
874 partial PR libmudflap/12670
875 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
876 * mf-hooks2.c: Likewise.
877 * mf-hooks3.c: Likewise.
879 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
882 * mf-runtime.h.in: Switch to #pragma redefine_extname for
883 symbols interposed at compile time.
884 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
887 * mf-hooks2.c (semctl): Tolerate FreeBSD.
889 * configure.in: Reorganize check for <pthread.h>.
890 * configure: Regenerated.
892 2003-11-04 David Edelsohn <edelsohn@gnu.org>
894 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
895 (_LARGE_FILE_API): Define for AIX.
896 * mf-hooks[123]: Same.
897 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
899 2003-10-21 David Edelsohn <edelsohn@gnu.org>
901 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
903 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
905 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
907 * configure.in: Update check for union semun.
909 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
912 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
914 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
917 * configure.in: Add checks for 64-bit LFS functions, struct semun
918 definition, for BSD compatibility.
919 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
920 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
921 * mf-hooks3.c: Ditto.
922 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
924 * configure, config.h.in: Regenerated.
926 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
928 Multithreading fixes:
929 * mf-runtime.c (__mf_object): Store allocating/deallocating
931 (options): Support new "-thread-stack" option.
932 Rename "-heur-argv-environ" option to "-heur-stdlib".
933 Disable "-lc-mask" and "-lc-shift" options.
934 (__mf_dynamic): Add function pointers for pthread_join/_exit.
935 (__assert_fail): New self-contained function for glibc.
936 * mf-hooks3.c: Essentially rewritten, particularly related to
937 use of __mf_pthread_info array.
938 (pthread_join, _exit): New hook functions.
939 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
940 * testsuite/libmudflap.cth/pass40-frag.c: New test.
943 * mf-heuristics.c: Add type casts for tracing, sub calls.
944 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
945 Update all callers to declare explicit result holder.
946 (END_PROTECT): Removed.
947 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
949 2003-07-15 Diego Novillo <dnovillo@redhat.com>
951 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
952 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
953 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
955 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
957 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
959 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
960 Move these macros from old mf-hooks.c here.
961 * Makefile.am: Adapt to split-up hook sources for faster builds.
962 * Makefile.in: Regenerated.
964 * mf-heuristics.c: Remove #if-0 block.
966 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
967 (__mf_starting_p): New state only for use while dlsym bootstrapping.
968 (CALL_REAL, __mf_init): Corresponding changes.
969 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
970 all callers to remove redundant "mf:" prefix.
971 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
972 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
973 (__mf_pthread_info): Become a hash table.
975 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
976 "dg-repetitions" directives to control test case execution.
977 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
979 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
981 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
983 * mf-hooks.c (alloca): Separate into stub.
984 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
985 malloc/free for alloca blocks.
986 (pthread_create): Tolerate failing pthread_attr_get* calls.
987 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
988 * mf-impl.h (CALL_WRAP): Remove macro.
989 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
990 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
991 padding for ia64 BIT_FIELD_REF constructs.
993 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
995 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
996 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
997 libmudflap object type.
998 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
999 crashes on unregistering STATIC objects.
1001 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
1003 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
1004 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
1005 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
1006 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
1007 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
1008 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
1009 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
1010 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
1011 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
1012 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
1013 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
1014 (accept, bind, connect, gethostname, sethostname): New hooks.
1015 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
1016 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
1017 (semop, semctl, shmctl, shmat, shmdt): New hooks.
1018 * mf-runtime.h.in: Corresponding changes.
1019 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
1020 (opts) Rename heur_argv_environ to heur_std_data.
1021 (__mf_wrap_main): Use STATIC type for argv/environ strings.
1022 * Makefile.am: Corresponding changes.
1023 * Makefile.in: Regenerated.
1025 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
1027 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
1028 heuristic for threaded case, and for non-x86-linux targets.
1029 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
1030 for use during pre-main() program startup.
1031 (__mf_0fn_*): Make these functions non-static.
1032 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
1034 * mf-runtime.c (__mf_state): Set initial state to "starting".
1035 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
1036 (__wrap_main): New function to register argv[] and environ[] strings.
1037 (__mf_ini): Call it.
1038 (*): In all trace functions, use "%p" as formatter for uintptr_t.
1040 * testsuite/libmudflap.c/pass38-frag.c: New test case.
1041 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
1043 * acinclude.m4: Add comments with aoliva's concerns about x86_64
1045 * aclocal.m4, configure: Regenerated.
1047 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
1049 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
1050 * aclocal.m4, configure: Regenerated.
1052 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
1054 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
1055 for x86_64 target. Disable caching for this value.
1056 * aclocal.m4, configure: Regenerated.
1058 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
1060 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
1061 is about to become deprecated, and its present handling bugs are
1064 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
1066 * testsuite/libmudflap.c/pass38-frag.c: New test for
1069 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1071 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
1072 __mf_report, asserting reentrant calling context.
1074 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1076 * mf-hooks.c (realloc): Correct reentrancy logic.
1077 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
1079 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
1081 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
1082 PTHREAD_THREADS_MAX. Update users.
1083 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
1085 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
1086 with libmudflapth presence indicator.
1087 * testsuite/Makefile.in: Regenerated.
1089 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
1091 * Makefile.am (AM_CFLAGS): Remove "-ansi".
1092 * configure.in: Remove silly no-pthreads => no-shared logic.
1093 * Makefile.in, configure: Regenerated.
1094 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
1095 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
1096 code. Count reentrancy events.
1097 (all hook functions): Don't directly manipulate __mf_state variable.
1098 Add TRACE calls to hook functions without them.
1099 * mf-impl.h (LOCKTH): Try to count lock contention events.
1100 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
1101 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
1102 Reorganize reentrancy code.
1103 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
1104 identify reentrancy with mutex holding times.
1105 (internal __mfu_ entry points): Remove internal reentrancy code.
1106 (__mf_init): Use ordinary locked calls.
1107 (__mfu_report): Print the two new counts.
1108 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
1109 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
1110 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
1111 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
1114 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
1116 * configure.in: Add pthread support, plus glibc and porting hacks.
1117 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
1118 from objects built into ./pth/.
1119 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
1120 functions for internal entry points. Update callers to pick
1121 locked vs. unlocked variants.
1122 (__mf_resolve_single_dynamic): Extend to support symbol versioning
1123 info coming in from a static data structure.
1124 (*): Reorder miscellaneous declarations to group data vs functions.
1125 (__mf_set_default_options): Simplify.
1126 (__mf_usage): Mention threading status of host executable.
1127 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
1128 decls to match above.
1129 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
1130 * mf-heuristics.c: Choose between locked/unlocked calls. Add
1131 some lock/unlock markers. Remove some unused code.
1133 (pthread_create): New hook function.
1134 (__mf_pthread_cleanup, _spawner): New helper functions.
1135 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
1137 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
1139 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
1141 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
1143 * Makefile.am (HOOKOBJS): Add *time related hooks.
1144 * configure.in: Look for pthreads.h header.
1145 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
1146 * mf-runtime.c: Begin sketching some pthreads support.
1147 (__mf_usage): Check for -lpthread presence.
1148 (__mf_unregister): Confirm matching unregistration base.
1149 (__mf_find_objects_rec): Reduce unnecessary recursion.
1150 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
1151 #defines for new hook functions.
1152 * mf-impl.h: Corresponding changes.
1153 * config.h.in, configure, Makefile.in: Regenerated.
1155 2002-04-27 Diego Novillo <dnovillo@redhat.com>
1157 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
1158 modifiers to prevent being optimized away.
1159 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
1160 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1161 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
1162 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1163 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
1164 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
1165 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
1167 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1169 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1170 * configure.in: Look for uintptr_t and -ldl on target.
1171 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1172 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1173 * testsuite/Makefile.in: Regenerated.
1174 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1175 for better C compliance.
1177 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1179 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1181 * mf-runtime.c (__mf_set_default_options): Turn off
1182 check-initialization.
1183 (__mf_describe_object): Shorten description.
1184 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1186 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
1188 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1190 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
1192 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1194 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1195 * mf-impl.h (CALL_BACKUP): New macros.
1196 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1198 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
1200 * Makefile.am (AM_CFLAGS): Remove optimization flags.
1201 (HOOKOBJS): Remove dlopen hook.
1202 (libmudflap_la_LIBADD): Add -ldl.
1203 * mf-hooks.c (dlopen): Remove hook.
1204 * mf-impl.h (__mf_dynamic): Ditto.
1205 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1206 * Makefile.in: Regenerated.
1208 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
1210 * configure.in: Check for target gettimeofday, signal, some headers.
1211 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
1212 out inop multi_threaded field.
1213 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1214 (__mf_set_options): Correct handling of "-help".
1215 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1216 (__mf_check, __mf_register, __mf_unregister): Call it.
1217 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1218 (__mf_report_leaks): Make callable
1219 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
1220 distribution statistics.
1221 (__mf_adapt_cache): Rewrite shift guessing logic based on address
1223 * config.h.in, configure: Regenerated.
1224 * testsuite/libmudflap.c/fail27-frag.c: New test.
1225 * testsuite/libmudflap.c/pass36-frag.c: New test.
1227 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
1229 * mf-runtime.h.in: Tweak.
1230 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1231 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1232 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1234 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1236 * configure.in: Tweak generation of mf-runtime.h some more. It
1237 needs to work from both config.status and configure.
1238 * configure: Regenerated.
1240 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1242 * Makefile.am: Reorganize hook file building. Add auto dependencies.
1243 * configure.in: Tweak generation of mf-runtime.h.
1244 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1245 * mf-hooks.c (*): Adapt to initialized-heap object type.
1246 * mf-impl.h: Tweak cemetary boundaries.
1247 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1249 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1250 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1251 * testsuite/lib/libmudflap.exp (includes): Include build tree.
1252 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1254 * testsuite/.../fail{25,26}-frag.c: New tests.
1255 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1256 * Makefile.in, configure: Regenerated.
1258 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1260 * mf-runtime.c (__mf_set_default_options): Turn on initialization
1261 checking by default.
1262 (__mf_insert_new_object): As a temporary hack, assume that new
1263 objects registered on the stack start out initialized.
1264 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1265 heap objects by hand.
1267 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1269 Switch to macro-style hooks for str*/mem*/b* functions.
1270 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1271 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1272 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1273 (__mf_set_default_options): Turn off heur_proc_map.
1274 (*): Adapt to to macro-style hook functions.
1275 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1276 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1277 (__mf_violation): Handle __MF_VIOL_WATCH.
1278 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1279 (__mf_dynamic): Removed mem*/str*/b* functions.
1280 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1281 (WRAPPER2): New macro for macro-style hooks.
1282 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1284 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1285 * mf-heuristics.c: Adapt to macro-style hook functions.
1286 Correct some comments.
1287 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1288 output pattern tests.
1289 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1290 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1292 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1294 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1295 for global array registration.
1296 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1297 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1299 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1301 * Makefile.am: Add gross make bug workarounds. Tweaked
1302 SUBDIRS and AM_CFLAGS.
1303 * Makefile.in: Regenerated.
1305 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1308 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1309 * Makefile.am (TESTS): Remove simple automake testing.
1310 * configure, Makefile.in: Regenerated.
1311 (SUBDIRS): Include new testsuite/ directory.
1312 * tests/*: Removed all files; moved bulk under:
1313 * testsuite/*: New subdirectory tree.
1314 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1315 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1316 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1317 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1318 * testsuite/config/default.exp: New file.
1319 * testsuite/Makefile.am, Makefile.in: New files.
1321 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1323 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1324 (TESTS): Add fail22 and pass29 tests.
1325 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1326 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1327 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1328 values. Move __MF_VIOL* here.
1329 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1330 (check_initialization): New field in __mf_opts. Default off.
1331 (read_count,write_count): New fields in __mf_object.
1332 (__mf_check): Implement basic initialization checking.
1333 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1334 (__mf_describe_object): Print new fields.
1335 (__mf_violation): Identify check/read vs. check/write in messages.
1336 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1337 "-check-initialized" mudflap option.
1338 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1339 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1340 Drop __FILE__/__LINE__ hack. Update callers.
1341 (*): Adapt to new mf-runtime.h API.
1342 * Makefile.in: regenerated.
1344 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1346 * configure.in: Build mf-runtime.h a more proper way.
1347 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1348 * mf-runtime.c (verbose_violations): Turn on by default.
1349 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1350 * mf-impl.h: ... and move it here.
1351 * configure: Regenerated.
1353 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1355 * configure.in: Look for C++ compiler.
1356 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1357 fixed type warnings when built with C++.
1358 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1359 * Makefile.am (TESTS): Run them.
1360 (*) Add new rules for building and running C++ tests.
1361 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1362 * mf-runtime.h.in: Protect with extern "C".
1363 * Makefile, configure: Regenerated.
1365 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1367 Portability improvements.
1368 * configure.in: Look for glibc backtrace headers/functions.
1369 * mf-hooks.c: Don't include <execinfo.h> any more.
1370 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1372 (__mf_backtrace): Provide alternate baby implementation in
1374 * test/mf-driver.c: Portability tweaks.
1375 * acinclude.m4: New file, containing top level libtool.m4.
1376 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1378 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1380 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1382 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1384 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1386 (__mf_unregister): Implement stack/heap object wiping.
1387 (__mf_set_options): Renamed from __mf_process_opts.
1388 (__mf_uncache_object): Change arg type, correct callers.
1389 * mf-impl.h: Corresponding changes.
1390 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1391 * mf-runtime.h.in (__mf_set_options): Extend public API.
1392 * test/pass26-frag.c: New test for stack wiping.
1393 * Makefile.am (TESTS): Run it.
1394 * Makefile.in: Regenerated.
1396 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1398 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1399 * mf-runtime.c (__mf_object_t): Add watching_p field.
1400 (__mf_watch_or_not): New function to implement
1401 object watch flagging.
1402 (__mf_watch, __mf_unwatch): New wrappers for above.
1403 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1404 (__mf_count_violation): Enlarge array.
1405 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1406 unlink object. Clear cache properly.
1407 (__mf_unregister): Unlink object explicitly before uncaching.
1408 * test/fail21-frag.c, pass25-frag.c: New tests.
1409 * Makefile.in, aclocal.m4: Regenerated.
1411 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1413 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1414 * Makefile.am (TESTS): Add it.
1415 * test/pass-stratcliff.c: Add decls of stpcpy.
1416 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1417 build tree from config.h and new file mf-runtime.h.in.
1418 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1419 * Makefile.in, configure, config.h.in: Regenerated.
1420 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1421 * mf-runtime.c (options, __mf_set_default_options): Support new
1422 default "abbreviate" option.
1423 (__mf_object.description_epoch): New field.
1424 (__mf_describe_object): Conditionally abbreviate objects already
1425 displayed in current epoch. Accept NULL input to increment epoch.
1426 (__mf_fini, __mf_ini): Reset description epoch.
1427 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1428 that NULL pointer slot in lookup cache is invalidated. Register a
1429 NOACCESS region around NULL.
1430 * mf-impl.h: Corresponding changes.
1432 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1434 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1435 * Makefile.am: Run them. Install mf-runtime.h.
1436 * Makefile.in: Regenerated.
1437 * mf-hooks.c: Add some markers for more missing functions.
1438 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1439 statistic to tune tune cache size (mask).
1441 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1443 * test/pass23-frag.c: New test for bit_field_ref expressions.
1444 * Makefile.am, Makefile.in: Add new test.
1445 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1446 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1447 * mf-runtime.c (__mf_init): Register errno global.
1448 (__mf_find_object): Removed function.
1449 (__mf_check): Rewrite logic to support accesses across some
1450 contiguous but distinctly registered objects.
1451 (__mf_remove_old_object): Tolerate cache entries that span
1454 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1456 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1457 * Makefile.am, Makefile.in: Run new tests.
1458 * mf-hooks.c (alloca): Correct stack direction logic.
1460 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1462 * mf-impl.h (adapt_cache): New option.
1463 * mf-runtime.c (__mf_set_default_options): Set its default value.
1464 Tweak the tree_aging parameter down.
1465 (__mf_check): Maintain separate counter for cache-adaptation.
1466 (__mf_tree_analyze): New function to collect object tree stats.
1467 (__mf_adapt_cache): New function to automate cache parameters.
1469 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1471 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1472 hypothetical #if-0'd argv/envp region registration.
1473 * mf-runtime.c (__mf_init): Add kludged form of above.
1474 (*) Add "heur_argv_environ" flag, default on, to govern this.
1475 * mf-impl.h: Corresponding changes.
1477 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1479 * test/fail18-frag.c: New test file for NOACCESS regions.
1480 * Makefile.am (TESTS): Add new test.
1481 * Makefile.in: Regenerated.
1483 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1484 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1485 (optimize_object_tree): Remove unused mudflap_option.
1486 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1487 support throughout. Use .._MAX_CEM for cemetary upper bound.
1488 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1490 (__mf_object): Add new liveness field for use by tree aging.
1491 (__mf_check): Trigger tree aging when needed.
1492 (__mf_age_tree): New function to decay liveness field.
1493 (__mf_find_objects_rec): Use liveness field to rotate tree.
1494 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1495 (__mf_unregister): Ditto.
1496 (__mf_register): Tweak duplicate-static message.
1497 (__mf_violation: Tweak nearby-object counter printing.
1499 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1501 * test/pass20-frag.c: New test file.
1502 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1503 * Makefile.in: Regenerated.
1505 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1506 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1507 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1508 entries to avoid repeat registration.
1509 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1510 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1512 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1514 * Makefile.am: Create test sources with #include, not cat>>.
1515 * Makefile.in: Regenerated.
1516 * test/buildtest.sh: Removed.
1517 * test/driver.c (abort_handler, main): Be quiet.
1519 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1521 * test/pass18-frag.c, pass19-frag.c: New tests.
1522 * Makefile.am (check): Run them. Rebuild test programs each time.
1523 * Makefile.in: Regenerated.
1525 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1527 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1528 overlapping object search.
1529 (__mf_violation): Likewise for nearby objects.
1530 Improve nearby-object listing.
1533 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1534 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1536 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1539 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1540 (HOOKOBJS): Add alloca-hook.o.
1541 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1543 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1544 (__mf_backtrace): Reimplement without using alloca.
1545 * Makefile.in: Regenerated.
1548 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1549 Correct signedness bugs in length-tracking variables.
1550 * mf-impl.h: Make options unsigned.
1551 (CALL_WRAP): New macro to parallel CALL_REAL().
1552 (DECLARE): Remove erroneous ";" at end.
1553 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1554 formatting specs with %08lx. Correct several compiler warnings.
1556 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1558 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1560 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1562 libmudflap hook breakup:
1563 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1565 (TESTS): Make dependent on libmudflap.
1566 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1567 compiled from segments of mf-hooks.c.
1568 * mf-hooks.c: Corresponding changes: wrap each function in
1570 * Makefile.in: Regenerated.
1572 Heuristics reorganization:
1573 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1574 Remove these functions. Update callers.
1575 (__mf_heuristic_check): Incorporate all the various heuristics.
1576 Encode cacheability/retry judgement into trinary return value.
1577 Separate start-end logic into a separate fallback heuristic. Only
1578 register relevant /proc/self/map segments.
1579 * mf-impl.h: Corresponding changes.
1580 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1581 (__mf_init): Don't call __mf_init_heuristics.
1584 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1585 "-verbose-trace" to emit all tracing messages other than those of
1586 basic public api. Eliminate some duplicate/excessive messages.
1587 * mf-runtime.h: Corresponding changes.
1589 2002-08-27 Graydon Hoare <graydon@redhat.com>
1591 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1592 and __real when compiled with -DPIC.
1593 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1594 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1595 * Makefile.in: Regenerate.
1597 2002-08-26 Graydon Hoare <graydon@redhat.com>
1599 * mf-impl.h: New file, private implementation header.
1600 * mf-runtime.h: Reorganize a bit.
1601 (CLAMPSZ): Fix arithmetic.
1602 (__MF_CACHE_MISS_P): Fix arithmetic.
1603 * mf-runtime.c: Reorganize a bit.
1604 (__mf_dynamic): New structure.
1605 (resolve_single_dynamic): New function.
1606 (__mf_resolve_dynamics): New function.
1607 (__mf_init): Initialize dynamic wrappers.
1608 * mf-hooks.c: Macro-ize __real calls.
1609 Clamp various bits of arithmetic.
1610 Add explicit __mf_check call contexts.
1611 * Makefile.am: Add dependencies on mf-impl.h
1612 * Makefile.in: Regenerate.
1613 * configure.in: Comment out shared override.
1614 * configure: Regenerate.
1616 2002-08-22 Graydon Hoare <graydon@redhat.com>
1618 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1619 (__mf_check): Re-inialize and check heuristics before violation.
1620 (__mf_register): Permit updating pure-guess regions.
1621 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1622 (__wrap_dlopen): New wrapper function.
1623 (__wrap_mmap): New wrapper function.
1624 (__wrap_munmap): New wrapper function.
1625 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1626 which are not stack addresses.
1627 (is_stack_address): New function.
1628 (__mf_init_heuristics): Save and restore state, always initialize with
1631 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1633 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1634 error. Pass location string.
1635 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1636 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1637 (__mf_process_opts): Apply some sanity checking for lc-mask.
1638 (__mf_check, __mf_violation): Take new location-string argument.
1639 Update callers to pass NULL if necessary.
1640 (__mf_backtrace): New smart backtracer function. Calls replace
1641 several ad-hoc blocks elsewhere.
1642 (__mf_describe_object): Remove bad reentrancy test. Improve
1644 * mf-runtime.h: Corresponding changes. Public/private markup.
1645 (__MF_CACHE_MISS_P): New macro.
1647 2002-08-20 Graydon Hoare <graydon@redhat.com>
1649 * mf-runtime.h: New option: stack_bound (heuristic).
1650 Move some macros out of implementation files.
1651 * mf-runtime.c: New option string: -stack-bound.
1652 Unify recursion protection with hooks.
1654 (__mf_check): Call __mf_heuristic_check.
1655 (__mf_process_opts): Fix "no-" processing.
1656 * mf-heuristics.c (__mf_heuristic_check): New function.
1657 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1659 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1661 Option parsing improvements, region splitting bug fixes:
1662 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1663 * mf-runtime.h (heur_proc_map): New libmudflap option.
1664 * mf-runtime.c (__mf_set_default_options): Set it.
1665 (__mf_usage): Print default values/status.
1666 (__mf_process_opts): Support general "no-" option string prefix.
1667 (__mf_init): Print __mf_usage on unknown-option error.
1668 (__mf_register): Print trace message up front.
1669 Correct region splitting logic for case where a subregion disappears.
1670 Correct memory leak.
1671 (__mf_violation): Make even basic message conditional on option.
1674 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1675 (clean-local): New target.
1676 (test/*x rules): Add -g CFLAGS.
1677 (CFLAGS): Add -freorder-blocks.
1678 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1679 * Makefile.in: Regenerated.
1680 * Makefile, mf-config.h: Removed files.
1682 2002-08-16 Graydon Hoare <graydon@redhat.com>
1684 * mf-runtime.c (__mf_insert_new_object): Factor out of
1686 (__mf_remove_old_object): Factor out of __mf_unregister.
1687 (__mf_register): Handle guessed regions, splitting
1688 guesses when new registrations arrive.
1689 (__mf_unregister): Do not unregister guesses.
1690 * mf-runtime.h: Move convenience macros around,
1691 declare new option fields. Add __MF_TYPE_GUESS.
1692 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1693 (__wrap_free): Call __real_free for deferred frees.
1694 * Makefile.am: Add more tests, fix dependency.
1695 * Makefile.in: Regenerate.
1696 * test/pass[13..17]-frag.c: New testcases.
1697 * test/fail[13..17]-frag.c: New testcases.
1699 2002-08-15 Graydon Hoare <graydon@redhat.com>
1701 * mf-heuristics.c: New file.
1702 * mf-runtime.c (options): Add -trace-calls option.
1703 (__mf_init): Call __mf_init_heuristics.
1705 2002-08-14 Graydon Hoare <graydon@redhat.com>
1707 * Makefile.am (TESTS): Add testsuite support.
1708 * Makefile.in: Regenerate.
1709 * test/mf-driver.c: New file.
1710 * test/buildtest.sh: New file.
1711 * test/passNN-frag.c: New testcases.
1712 * test/failNN-frag.c: New testcases.
1714 2002-08-14 Graydon Hoare <graydon@redhat.com>
1716 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1717 verifying non-size-limited string extents.
1719 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1721 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1722 instead of plain str[n]len for internal checks.
1723 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1725 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1727 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1729 2002-08-13 Graydon Hoare <graydon@redhat.com>
1731 * mf-runtime.c: Rework configuration to operate on
1732 environment variable options rather than #defines
1733 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1734 (__mf_init): Set static __mf_active_p flag on startup,
1735 to inhibit mudflap wrap-based checking during crt0.s.
1736 * mf-runtime.h: Declare options structure.
1737 * mf-hooks.c: New wrappings for mem*, b*, str*
1738 libc functions (temporarily #if 0-ed out).
1740 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1742 * Makefile.am, configure.in: New files.
1743 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1744 * stamp-h.in, aclocal.m4: Ditto.
1746 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1748 * Makefile: New file.
1749 * mf-config.h: New file: runtime configuration.
1750 * mf-hooks.c: New file: interposed libc functions.
1751 * mf-runtime.c: New file: bulk of runtime.
1752 * mf-runtime.h: New file: public functions.
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