1 2009-04-09 Nick Clifton <nickc@redhat.com>
3 * mf-hooks1.c: Change copyright header to refer to version 3
4 of the GNU General Public License with version 3.1 of the GCC
5 Runtime Library Exception and to point readers at the COPYING3
6 and COPYING3.RUNTIME files and the FSF's license web page.
7 * mf-heuristics.c: Likewise.
8 * mf-hooks2.c: Likewise.
9 * mf-hooks3.c: Likewise.
10 * mf-impl.h: Likewise.
11 * mf-runtime.c: Likewise.
12 * mf-runtime.h: Likewise.
14 2009-04-09 Jakub Jelinek <jakub@redhat.com>
16 * testsuite/lib/mfdg.exp: Change copyright header to refer to
17 version 3 of the GNU General Public License and to point readers
18 at the COPYING3 file and the FSF's license web page.
19 * testsuite/lib/libmudflap.exp: Likewise.
21 2009-03-31 Ben Elliston <bje@au.ibm.com>
24 * testsuite/libmudflap.c/fail27-frag.c: Match `mudflap dead
25 object', not `mudflap object'.
27 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
29 * configure: Regenerate.
31 2009-02-03 Jakub Jelinek <jakub@redhat.com>
33 * mf-runtime.c (__mf_usage): Update copyright notice dates.
35 2009-01-23 Jie Zhang <jie.zhang@analog.com>
37 * mf-impl.h (__mf_get_state, __mf_set_state): Don't use
38 __thread when TLS support is emulated.
39 * mf-hooks3.c (__mf_get_state, __mf_set_state): Likewise.
40 * mf-runtime.c (__mf_state_1): Likewise.
41 * configure.ac: Use GCC_CHECK_EMUTLS.
42 * configure: Regenerate.
43 * config.h.in: Regenerate.
45 2008-12-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
47 * configure: Regenerate.
49 2008-11-26 Janis Johnson <janis187@us.ibm.com>
52 * testsuite/lib/mfdg.exp (dg-test): Use new timeout support.
54 (standard-wait): Remove.
55 * testsuite/lib/libmudflap.exp: Include new timeout library files.
56 (libmudflap_target_compile): Set timeout value from new proc.
58 2008-11-10 Jakub Jelinek <jakub@redhat.com>
61 * testsuite/libmudflap.c/pass67-frag.c: New test.
63 2008-10-09 Jakub Jelinek <jakub@redhat.com>
66 * testsuite/libmudflap.c++/pass66-frag.cxx: New test.
68 2008-09-26 Peter O'Gorman <pogma@thewrittenword.com>
69 Steve Ellcey <sje@cup.hp.com>
71 * configure: Regenerate for new libtool.
73 * testsuite/Makefile.in: Ditto.
75 2008-09-15 Jakub Jelinek <jakub@redhat.com>
78 * testsuite/libmudflap.c/pass64-frag.c: New test.
80 2008-06-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
82 * Makefile.in: Regenerate.
83 * config.h.in: Regenerate.
84 * configure: Regenerate.
85 * testsuite/Makefile.in: Regenerate.
87 2008-04-18 Paolo Bonzini <bonzini@gnu.org>
90 * aclocal.m4: Regenerate.
91 * configure: Regenerate.
93 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
95 * testsuite/libmudflap.c/pass63-frag.c: New test.
97 2008-03-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
99 * aclocal.m4: Regenerate.
100 * configure: Likewise.
101 * Makefile.in: Likewise.
102 * testsuite/Makefile.in: Likewise.
104 2008-03-02 Jakub Jelinek <jakub@redhat.com>
106 * mf-runtime.c (__mf_usage): Update copyright notice dates.
108 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
110 * testsuite/libmudflap.c/fail8-frag.c: Adjust scan pattern for
112 * testsuite/libmudflap.c/fail9-frag.c: Ditto.
114 2008-01-24 David Edelsohn <edelsohn@gnu.org>
116 * configure: Regenerate.
118 2008-01-05 Jakub Jelinek <jakub@redhat.com>
120 PR tree-optimization/34618
121 * testsuite/libmudflap.c/pass62-frag.c: New test.
123 2008-01-03 Jakub Jelinek <jakub@redhat.com>
126 * testsuite/libmudflap.c++/pass61-frag.cxx: New test.
128 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
131 * testsuite/libmudflap.c++/pass60-frag.cxx: New test.
133 2007-10-15 Maciej W. Rozycki <macro@linux-mips.org>
135 * configure: Regenerate following changes to ../config/tls.m4.
137 2007-07-26 Tom Tromey <tromey@redhat.com>
139 * Makefile.in: Rebuilt.
140 * Makefile.am (clean-local): Removed.
141 (pth/mf-runtime.lo, pth/mf-heuristics.lo, pth/mf-hooks1.lo,
142 pth/mf-hooks2.lo, pth/mf-hooks3.lo): Likewise.
143 (libmudflapth_la_SOURCES): List sources.
144 (libmudflapth_la_LIBADD): Clear.
145 (libmudflapth_la_CFLAGS): New variable.
147 2007-07-05 H.J. Lu <hongjiu.lu@intel.com>
149 * aclocal.m4: Regenerated.
151 2007-06-02 Paolo Bonzini <bonzini@gnu.org>
153 * configure: Regenerate.
155 2007-05-31 Frank Ch. Eigler <fche@redhat.com>
157 From Andi Kleen <ak@suse.de>:
158 * mf-runtime.c (options): Rename structure for compatibility with
161 2007-05-23 Steve Ellcey <sje@cup.hp.com>
163 * Makefile.in: Regenerate.
164 * configure: Regenerate.
165 * aclocal.m4: Regenerate.
166 * testsuite/Makefile.in: Regenerate.
168 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
170 * testsuite/libmudflap.cth/pass59-frag.c (main): Fix casting of arg.
172 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
174 * Makefile.am: Add dummy install-pdf target.
175 * Makefile.in: Regenerate
177 2007-02-07 Jakub Jelinek <jakub@redhat.com>
180 * configure: Regenerate.
182 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
184 * configure: Regenerate.
186 2006-11-13 Daniel Jacobowitz <dan@codesourcery.com>
188 * configure: Regenerated.
190 2006-11-10 Frank Ch. Eigler <fche@redhat.com>
193 * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
194 static but not function scope static.
195 (free): Skip deallocation attempts for objects placed into
197 * testsuite/libmudflap.cth/pass59-frag.c: New test.
199 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
201 From Herman ten Brugge <hermantenbrugge@home.nl>:
202 * mf-runtime.c (__mf_uncache_object): Optimize the code so that
203 small and large objects are handled a lot faster.
205 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
207 * configure.ac (__libc_freeres): Look for it.
208 * mf-impl.h (call_libc_freeres): New configuration flag.
209 * mf-runtime.c (__mf_set_default_options): Set it by default.
210 (__mfu_report): Call it if needed.
211 (__mfu_unregister): Remove "unaccessed registered object" warning.
212 * configure, config.h.in: Regenerated.
214 2006-09-18 Tom Tromey <tromey@redhat.com>
216 * configure: Rebuilt.
218 2006-06-21 Frank Ch. Eigler <fche@redhat.com>
221 mf-runtime.h installation based on ssp patch for PR 26473 from
222 Mark Mitchell <mark@codesourcery.com>.
223 * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
224 * Makefile.am (target_noncanonical): Define.
225 (libsubincludedir): New variable.
226 (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
227 (include_HEADERS): Remove.
228 * configure, aclocal.m4, config.h.in: Regenerated.
229 * Makefile.in, testsuite/Makefile.in: Likewise.
230 * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
231 and _THREAD_SAFE redefinition values.
233 2006-05-23 Carlos O'Donell <carlos@codesourcery.com>
235 * Makefile.am: Add install-html target. Add install-html to .PHONY
236 * Makefile.in: Regenerate.
238 2006-04-19 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
241 * testsuite/libmudflap.c++/error1-frag.cxx: New test.
244 * testsuite/libmudflap.c++/error2-frag.cxx: New test.
246 2006-04-10 Matthias Klose <doko@debian.org>
248 * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
249 directory names containing underscores.
251 2005-11-22 Janis Johnson <janis187@us.ibm.com>
253 * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
254 MUDFLAP_FLAGS if static library not supported.
255 * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
256 * testsuite/libmudflap.c/externs.exp: Ditto.
257 * testsuite/libmudflap.c++/ctors.exp: Ditto.
258 * testsuite/libmudflap.c++/c++frags.exp: Ditto.
259 * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
261 2005-10-04 James E Wilson <wilson@specifix.com>
263 * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
264 $name as array of characters with unknown bound. Also store into the
266 * configure: Regenerate.
268 2005-09-30 James E. Wilson <wilson@specifix.com>
270 * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
272 (target_thread_file): New. Set from sed'ed gcc output.
273 (posix_threads): New. Set from target_thread_file. Use instead of
275 (pthread_create_version): Move initialization before code using it.
276 * configure: Regenerate.
278 * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
281 2005-09-29 James E. Wilson <wilson@specifix.com>
283 * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
284 with HAVE_MMAP ifdef.
286 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
289 * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
291 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
293 * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
295 2005-09-23 Tom Tromey <tromey@redhat.com>
297 * aclocal.m4, configure: Rebuilt.
298 * configure.ac: Use GCC_CHECK_TLS.
299 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
302 2005-08-22 Jim Wilson <wilson@specifix.com>
304 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
305 __FreeBSD__ is defined.
307 2005-08-17 Jim Wilson <wilson@specifix.com>
309 * mf-hooks1.c (malloc, calloc, realloc, free,
310 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
311 the real routines, and END_MALLOC_PROTECT afterwards.
312 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
313 (BEGIN_PROTECT): Handle in_malloc state.
314 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
315 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
317 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
319 * All files: Update FSF address.
321 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
323 * mf-hooks3.c (main_seen_p): Remove.
324 (__mf_get_state): Remove attempt to recognize the main thread.
326 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
328 * configure.ac: Test for the name of the symbol used for the entry
329 point; define ENTRY_POINT to the result.
330 * configure: Regenerate.
331 * config.h.in: Regenerate.
332 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
334 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
336 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
337 (__mf_init): Set thread state active.
338 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
340 (pthread_create wrapper): Always use thread spawner.
342 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
343 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
345 2005-07-16 Richard Henderson <rth@redhat.com>
347 * acinclude.m4: New file.
348 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
349 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
350 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
351 (__mf_0fn_calloc): ... here.
352 * mf-hooks3.c (struct pthread_info): Remove.
353 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
354 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
355 (struct mf_thread_data): New.
356 (mf_thread_data, mf_thread_data_lock): New.
357 (__mf_allocate_blank_threadinfo): Remove.
358 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
360 (__mf_state_perthread): Remove.
361 (__mf_get_state, __mf_set_state): New.
362 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
363 Update mf_thread_data killing procedure.
364 (__mf_pthread_spawner): Similarly.
365 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
366 code to allocate thread stack space.
367 (__mf_0fn_pthread_join, pthread_join): Remove.
368 (__mf_0fn_pthread_exit, pthread_exit): Remove.
369 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
370 (__mf_state_1): Rename from __mf_state; use TLS when available.
371 (__mf_get_state, __mf_set_state): New. Update all users.
372 * mf-runtime.c (begin_recursion_protect1): New.
373 (BEGIN_RECURSION_PROTECT): Use it.
374 (__mf_state_1): Rename from __mf_state; use TLS when available.
375 (threads_active_p): Remove.
376 (__mf_usage): Compute it directly.
378 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
380 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
382 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
384 Fix for uncaching bug reported by Herman ten Brugge.
385 * mf-runtime.c (__mf_uncache_object): Search whole cache.
386 * testsuite/libmudflap.c/fail40-frag.c: New test.
388 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
391 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
392 * Makefile.in: Amend.
394 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
397 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
398 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
400 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
403 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
405 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
408 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
409 unsigned vars with #defines instead of enums.
411 2005-05-09 Mike Stump <mrs@apple.com>
413 * configure: Regenerate.
415 2005-04-12 Mike Stump <mrs@apple.com>
417 * configure: Regenerate.
419 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
422 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
423 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
425 2005-04-04 Alan Modra <amodra@bigpond.net.au>
427 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
429 2005-03-31 Mike Stump <mrs@apple.com>
431 * mf-runtime.h: Add libmudflap copyright clause.
433 2005-03-21 Mike Stump <mrs@apple.com>
435 * mf-heuristics.c: Fix whitespace at end of line.
436 * mf-hooks1.c: Likewise.
437 * mf-hooks2.c: Likewise.
438 * mf-hooks3.c: Likewise.
439 * mf-impl.h: Likewise.
440 * mf-runtime.c: Likewise.
441 * mf-runtime.h: Likewise.
443 2005-03-21 Zack Weinberg <zack@codesourcery.com>
445 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
446 In all substitutions, expand gcc_version in Makefile.
447 * aclocal.m4, configure: Regenerate.
448 * Makefile.am: Set gcc_version.
449 * Makefile.in, testsuite/Makefile.in: Regenerate.
451 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
453 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
454 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
456 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
459 * testsuite/libmudflap.c++/pass55-frag.c: New test.
461 2005-01-05 Richard Henderson <rth@redhat.com>
463 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
465 2005-01-02 Greg McGary <greg@mcgary.org>
467 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
468 * mf-runtime.h: New file, replaces mf-runtime.h.in.
469 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
470 * Makefile.in: Ditto.
471 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
472 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
473 * testsuite/libmudflap.c/fail36-frag.c: New test.
474 * testsuite/libmudflap.c/fail37-frag.c: New test.
475 * testsuite/libmudflap.c/fail38-frag.c: New test.
477 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
479 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
480 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
482 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
484 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
485 * aclocal.m4: Include ../config/gcc-version.m4.
486 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
488 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
490 * Makefile.am: Define ACLOCAL_AMFLAGS.
491 * acinclude.m4: Remove.
492 * stamp-h.in: Remove superfluous stamp file.
493 * aclocal.m4, configure, Makefile.in: Regenerate.
494 * testsuite/Makefile.in: Likewise.
496 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
498 * Makefile.am: Revert previous.
499 * acinclude.m4: Restore.
500 * aclocal.m4, configure, Makefile.in: Regenerate.
501 * testsuite/Makefile.in: Likewise.
503 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
505 * Makefile.am: Define ACLOCAL_AMFLAGS.
506 * acinclude.m4: Remove.
507 * aclocal.m4, configure, Makefile.in: Regenerate.
508 * testsuite/Makefile.in: Likewise.
510 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
512 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
514 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
516 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
517 * testsuite/Makefile.in: Likewise.
519 2004-11-01 Andreas Schwab <schwab@suse.de>
521 * configure.ac: (target_alias): Default to $host_alias, not
523 * configure: Regenerated.
525 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
527 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
528 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
531 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
534 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
536 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
538 * configure.ac: Check for more headers, functions.
539 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
540 tracking overridden FILE buffers.
541 (fopen, setvbuf): New/revised hook functions for buffer overriding.
542 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
543 (fflush): Accept given NULL stream (means "all streams").
545 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
547 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
548 (__mf_adapt_cache): Use them all.
549 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
550 * testsuite/libmudflap.c++/ctors.exp: Ditto.
551 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
552 * configure, config.h.in: Regenerated.
554 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
556 * configure.ac: Checking for sys/socket.h once is enough.
557 * configure: Regenerated.
559 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
561 * configure.ac: Look for more headers & functions.
562 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
563 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
564 * mf-runtime.c (options): Clean up integer signedness warnings.
565 (main): Add a declaration to fix a warning.
566 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
567 * configure, config.h.in: Regenerated.
569 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
571 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
572 New tests for proper base/limit checking for aggregates.
574 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
576 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
578 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
580 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
581 * mf-hooks2.c (strerror): Unregister previous string returned by
583 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
584 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
585 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
586 * mf-runtime.c (__mf_describe_object): Clarify object life status.
587 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
589 * configure, config.h.in: Regenerated.
591 2004-08-03 Dale Johannesen <dalej@apple.com>
593 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
595 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
597 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
598 simplified contents in all former callers.
600 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
602 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
603 the statically linked case.
605 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
607 * splay-tree.[ch]: Remove. Merge contents into ...
608 * mf-runtime.c: ... here, renaming symbols and making all functions
609 static. Remove unused min/max functions.
610 * Makefile.am: Forget about splay-tree.[ch].
611 * Makefile.in, testsuite/Makefile.in: Regenerated.
613 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
615 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
616 (__mfu_usage): Include (C) 2004.
617 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
618 here. Include a comment explaining why.
620 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
622 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
623 * mf-runtime.c (options): Give them a name.
624 (__mf_set_default_options): Set them.
625 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
626 (__mf_violation): Warning cleanup.
627 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
628 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
630 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
633 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
636 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
638 Test case for g++/15861
639 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
640 * testsuite/libmudflap.c++/ctors.exp: Driver.
641 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
642 Look only for *frag* test cases.
644 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
646 ANSI C conversion, libmudflap specialization, recursion limiting.
647 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
648 argument and indirection function pointers, update callers.
649 (splay_tree_s): Add statistics and recursion control fields
650 num_keys, max_depth, depth, rebalance_p.
651 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
652 Back out of search if it exceeds limit.
653 (splay_tree_splay): Manage recursion limiting with rebalancing as
655 (splay_tree_new): More initialization.
656 (splay_tree_rebalance): New function.
657 (splay_tree_foreach): Rewrite using nonrecursive logic.
658 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
659 Remove. Point indirect calls to mf-runtime.c's routines.
660 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
662 (splay_tree_delete, splay_tree_delete_helper): Ditto.
663 * testsuite/heap-scalestress.c: New test based on one from
664 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
666 2004-07-05 Matthias Klose <doko@debian.org>
668 * libtool-version: New.
669 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
670 Use -version-info for soname.
671 * Makefile.in: Regenerate.
672 * configure.ac: Remove libtool_VERSION macro
673 * configure: Regenerate
675 2004-07-05 Zack Weinberg <zack@codesourcery.com>
677 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
678 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
681 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
683 Splay tree implementation fork.
684 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
685 Use hard-coded comparison function for uintptr_t. Remove key/value
686 deallocation logic. Cache last splayed key for consecutive lookups.
687 * Makefile.am, Makefile.in: Use them, don't link to them.
688 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
689 (__mf_find_objects2): Flip successor/predecessor search sequence.
690 * ansidecl.h, libiberty.h: Removed dummy files.
692 2004-06-29 Nick Clifton <nickc@redhat.com>
694 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
695 * configure: Regenerate.
696 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
698 Remove spurious inclusion of <strings.h>.
700 2004-06-29 Nick Clifton <nickc@redhat.com>
702 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
703 function actually exists.
705 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
707 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
708 * config.h.in: Regenerated.
710 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
712 Adopt splay trees for object database.
713 * Makefile.am: Copy splay-tree.* from libiberty.
714 * Makefile.in, testsuite/Makefile.in: Regenerated.
715 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
716 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
717 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
718 * mf-runtime.c: Rewrite code dealing with object database to use
719 libiberty splay trees. Remove tree liveness aging option.
720 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
722 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
724 * configure.ac: New name of configure.in. Update
725 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
726 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
727 Autoconf 2.5x and Automake 1.7 or later.
728 * configure.in: Remove.
729 * configure: Regenerate.
731 * Makefile.am: Remove useless multilib rules.
732 * Makefile.in: Regenerate.
734 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
736 * .cvsignore: New file.
738 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
741 * mf-hooks2.c (semctl): Add cygwin porting hack.
743 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
746 * configure.in: Look for ctype header and glibc implementation.
747 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
748 array hooks for glibc 2.3.
749 * mf-runtime.h.in: Wrap them.
750 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
752 * testsuite/libmudflap.c/pass47-frag.c: New test.
753 * configure, config.h.in: Regenerated.
755 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
757 Portability improvements, e.g., libmudflap/15293.
758 * configure.in: Look for glibc extension functions. Look for
759 support of -f{function,data}-sections. Look for more headers.
760 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
761 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
762 mf-hooks* into usual single object per source.
763 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
764 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
765 if system doesn't provide one.
766 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
767 (pthread_create): Use it to properly GC dead thread stacks.
768 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
769 * testsuite/Makefile.am: Stop generating site.exp.
770 * testsuite/mfconfig.exp.in: New file.
771 * testsuite/config/default.exp: Load new mfconfig.exp.
772 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
773 (prune_gcc_output): Add glibc static linking warnings.
774 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
775 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
776 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
777 Regenerated with autoconf 2.57 and automake 1.7.
779 2004-06-04 Per Bothner <per@bothner.com>
781 * configure.in (LIBMUDFLAPTH): Fix thinko.
783 * configure.in: Check for more headers.
784 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
786 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
787 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
789 2004-06-01 Andreas Jaeger <aj@suse.de>
791 * configure.in: Handle multilibs, support
792 --enable-version-specific-runtime-libs.
793 * Makefile.am (lib_LTLIBRARIES): Rename to ...
794 (toolexeclib_LTLIBRARIES): this for multilib support.
795 * Makefile.in: Regenerated.
796 * configure: Regenerated.
797 * aclocal.m4: Regenerated.
798 * config.h.in: Regenerated.
799 * testsuite/Makefile.in: Regenerated.
801 2004-06-01 Andreas Jaeger <aj@suse.de>
803 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
804 multilibs, using multilib directory instead of hardcoded path.
807 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
809 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
810 * Makefile.in: Ditto.
812 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
814 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
815 * aclocal.m4, configure: Rebuilt.
817 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
819 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
820 import some build settings from libstdc++-v3 testsuite_flags.
821 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
822 changes to pass test language.
824 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
825 quicker mode-nop handling.
827 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
829 * mf-impl.h: Added libgcc license header.
831 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
833 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
834 Added libgcc license header.
835 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
836 (pthread_create): Simplify stack allocation syntax.
838 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
840 * mf-hooks2.c: Support FreeBSD.
841 (WRAP_gets): Avoid gets().
842 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
843 test unimplemented mem/str calls on FreeBSD.
844 * testsuite/libmudflap.c/pass21-frag.c: Do not include
845 <alloca.h> on FreeBSD.
847 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
849 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
850 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
851 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
852 flags for static linking permutation.
853 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
854 some pthreads code that croaks on linux glibc tls.
856 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
858 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
860 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
862 * testsuite/libmudflap.c/pass44-frag.c: New test.
864 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
866 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
868 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
870 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
872 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
874 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
876 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
879 * configure.in: Add check for see if
880 socklen_t typedef is in sys/socket.h.
881 * mf-hooks1.c: Add define if socklen_t
883 * mf-hooks2.c: Likewise.
884 * mf-hooks3.c: Likewise.
885 * config.h.in: Regen.
888 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
890 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
891 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
893 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
894 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
895 (unoptimized) allocation of stack space.
897 2003-12-07 Richard Henderson <rth@redhat.com>
899 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
900 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
902 2003-12-06 Andrew Pinski <apinski@apple.com>
904 partial PR libmudflap/12670
905 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
906 * mf-hooks2.c: Likewise.
907 * mf-hooks3.c: Likewise.
909 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
912 * mf-runtime.h.in: Switch to #pragma redefine_extname for
913 symbols interposed at compile time.
914 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
917 * mf-hooks2.c (semctl): Tolerate FreeBSD.
919 * configure.in: Reorganize check for <pthread.h>.
920 * configure: Regenerated.
922 2003-11-04 David Edelsohn <edelsohn@gnu.org>
924 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
925 (_LARGE_FILE_API): Define for AIX.
926 * mf-hooks[123]: Same.
927 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
929 2003-10-21 David Edelsohn <edelsohn@gnu.org>
931 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
933 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
935 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
937 * configure.in: Update check for union semun.
939 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
942 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
944 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
947 * configure.in: Add checks for 64-bit LFS functions, struct semun
948 definition, for BSD compatibility.
949 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
950 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
951 * mf-hooks3.c: Ditto.
952 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
954 * configure, config.h.in: Regenerated.
956 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
958 Multithreading fixes:
959 * mf-runtime.c (__mf_object): Store allocating/deallocating
961 (options): Support new "-thread-stack" option.
962 Rename "-heur-argv-environ" option to "-heur-stdlib".
963 Disable "-lc-mask" and "-lc-shift" options.
964 (__mf_dynamic): Add function pointers for pthread_join/_exit.
965 (__assert_fail): New self-contained function for glibc.
966 * mf-hooks3.c: Essentially rewritten, particularly related to
967 use of __mf_pthread_info array.
968 (pthread_join, _exit): New hook functions.
969 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
970 * testsuite/libmudflap.cth/pass40-frag.c: New test.
973 * mf-heuristics.c: Add type casts for tracing, sub calls.
974 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
975 Update all callers to declare explicit result holder.
976 (END_PROTECT): Removed.
977 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
979 2003-07-15 Diego Novillo <dnovillo@redhat.com>
981 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
982 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
983 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
985 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
987 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
989 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
990 Move these macros from old mf-hooks.c here.
991 * Makefile.am: Adapt to split-up hook sources for faster builds.
992 * Makefile.in: Regenerated.
994 * mf-heuristics.c: Remove #if-0 block.
996 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
997 (__mf_starting_p): New state only for use while dlsym bootstrapping.
998 (CALL_REAL, __mf_init): Corresponding changes.
999 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
1000 all callers to remove redundant "mf:" prefix.
1001 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
1002 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
1003 (__mf_pthread_info): Become a hash table.
1005 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
1006 "dg-repetitions" directives to control test case execution.
1007 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
1009 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
1011 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
1013 * mf-hooks.c (alloca): Separate into stub.
1014 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
1015 malloc/free for alloca blocks.
1016 (pthread_create): Tolerate failing pthread_attr_get* calls.
1017 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
1018 * mf-impl.h (CALL_WRAP): Remove macro.
1019 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
1020 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
1021 padding for ia64 BIT_FIELD_REF constructs.
1023 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
1025 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
1026 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
1027 libmudflap object type.
1028 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
1029 crashes on unregistering STATIC objects.
1031 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
1033 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
1034 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
1035 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
1036 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
1037 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
1038 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
1039 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
1040 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
1041 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
1042 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
1043 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
1044 (accept, bind, connect, gethostname, sethostname): New hooks.
1045 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
1046 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
1047 (semop, semctl, shmctl, shmat, shmdt): New hooks.
1048 * mf-runtime.h.in: Corresponding changes.
1049 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
1050 (opts) Rename heur_argv_environ to heur_std_data.
1051 (__mf_wrap_main): Use STATIC type for argv/environ strings.
1052 * Makefile.am: Corresponding changes.
1053 * Makefile.in: Regenerated.
1055 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
1057 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
1058 heuristic for threaded case, and for non-x86-linux targets.
1059 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
1060 for use during pre-main() program startup.
1061 (__mf_0fn_*): Make these functions non-static.
1062 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
1064 * mf-runtime.c (__mf_state): Set initial state to "starting".
1065 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
1066 (__wrap_main): New function to register argv[] and environ[] strings.
1067 (__mf_ini): Call it.
1068 (*): In all trace functions, use "%p" as formatter for uintptr_t.
1070 * testsuite/libmudflap.c/pass38-frag.c: New test case.
1071 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
1073 * acinclude.m4: Add comments with aoliva's concerns about x86_64
1075 * aclocal.m4, configure: Regenerated.
1077 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
1079 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
1080 * aclocal.m4, configure: Regenerated.
1082 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
1084 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
1085 for x86_64 target. Disable caching for this value.
1086 * aclocal.m4, configure: Regenerated.
1088 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
1090 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
1091 is about to become deprecated, and its present handling bugs are
1094 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
1096 * testsuite/libmudflap.c/pass38-frag.c: New test for
1099 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1101 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
1102 __mf_report, asserting reentrant calling context.
1104 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1106 * mf-hooks.c (realloc): Correct reentrancy logic.
1107 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
1109 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
1111 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
1112 PTHREAD_THREADS_MAX. Update users.
1113 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
1115 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
1116 with libmudflapth presence indicator.
1117 * testsuite/Makefile.in: Regenerated.
1119 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
1121 * Makefile.am (AM_CFLAGS): Remove "-ansi".
1122 * configure.in: Remove silly no-pthreads => no-shared logic.
1123 * Makefile.in, configure: Regenerated.
1124 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
1125 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
1126 code. Count reentrancy events.
1127 (all hook functions): Don't directly manipulate __mf_state variable.
1128 Add TRACE calls to hook functions without them.
1129 * mf-impl.h (LOCKTH): Try to count lock contention events.
1130 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
1131 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
1132 Reorganize reentrancy code.
1133 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
1134 identify reentrancy with mutex holding times.
1135 (internal __mfu_ entry points): Remove internal reentrancy code.
1136 (__mf_init): Use ordinary locked calls.
1137 (__mfu_report): Print the two new counts.
1138 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
1139 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
1140 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
1141 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
1144 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
1146 * configure.in: Add pthread support, plus glibc and porting hacks.
1147 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
1148 from objects built into ./pth/.
1149 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
1150 functions for internal entry points. Update callers to pick
1151 locked vs. unlocked variants.
1152 (__mf_resolve_single_dynamic): Extend to support symbol versioning
1153 info coming in from a static data structure.
1154 (*): Reorder miscellaneous declarations to group data vs functions.
1155 (__mf_set_default_options): Simplify.
1156 (__mf_usage): Mention threading status of host executable.
1157 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
1158 decls to match above.
1159 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
1160 * mf-heuristics.c: Choose between locked/unlocked calls. Add
1161 some lock/unlock markers. Remove some unused code.
1163 (pthread_create): New hook function.
1164 (__mf_pthread_cleanup, _spawner): New helper functions.
1165 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
1167 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
1169 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
1171 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
1173 * Makefile.am (HOOKOBJS): Add *time related hooks.
1174 * configure.in: Look for pthreads.h header.
1175 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
1176 * mf-runtime.c: Begin sketching some pthreads support.
1177 (__mf_usage): Check for -lpthread presence.
1178 (__mf_unregister): Confirm matching unregistration base.
1179 (__mf_find_objects_rec): Reduce unnecessary recursion.
1180 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
1181 #defines for new hook functions.
1182 * mf-impl.h: Corresponding changes.
1183 * config.h.in, configure, Makefile.in: Regenerated.
1185 2002-04-27 Diego Novillo <dnovillo@redhat.com>
1187 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
1188 modifiers to prevent being optimized away.
1189 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
1190 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1191 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
1192 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1193 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
1194 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
1195 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
1197 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1199 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1200 * configure.in: Look for uintptr_t and -ldl on target.
1201 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1202 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1203 * testsuite/Makefile.in: Regenerated.
1204 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1205 for better C compliance.
1207 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1209 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1211 * mf-runtime.c (__mf_set_default_options): Turn off
1212 check-initialization.
1213 (__mf_describe_object): Shorten description.
1214 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1216 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
1218 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1220 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
1222 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1224 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1225 * mf-impl.h (CALL_BACKUP): New macros.
1226 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1228 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
1230 * Makefile.am (AM_CFLAGS): Remove optimization flags.
1231 (HOOKOBJS): Remove dlopen hook.
1232 (libmudflap_la_LIBADD): Add -ldl.
1233 * mf-hooks.c (dlopen): Remove hook.
1234 * mf-impl.h (__mf_dynamic): Ditto.
1235 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1236 * Makefile.in: Regenerated.
1238 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
1240 * configure.in: Check for target gettimeofday, signal, some headers.
1241 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
1242 out inop multi_threaded field.
1243 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1244 (__mf_set_options): Correct handling of "-help".
1245 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1246 (__mf_check, __mf_register, __mf_unregister): Call it.
1247 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1248 (__mf_report_leaks): Make callable
1249 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
1250 distribution statistics.
1251 (__mf_adapt_cache): Rewrite shift guessing logic based on address
1253 * config.h.in, configure: Regenerated.
1254 * testsuite/libmudflap.c/fail27-frag.c: New test.
1255 * testsuite/libmudflap.c/pass36-frag.c: New test.
1257 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
1259 * mf-runtime.h.in: Tweak.
1260 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1261 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1262 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1264 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1266 * configure.in: Tweak generation of mf-runtime.h some more. It
1267 needs to work from both config.status and configure.
1268 * configure: Regenerated.
1270 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1272 * Makefile.am: Reorganize hook file building. Add auto dependencies.
1273 * configure.in: Tweak generation of mf-runtime.h.
1274 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1275 * mf-hooks.c (*): Adapt to initialized-heap object type.
1276 * mf-impl.h: Tweak cemetary boundaries.
1277 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1279 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1280 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1281 * testsuite/lib/libmudflap.exp (includes): Include build tree.
1282 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1284 * testsuite/.../fail{25,26}-frag.c: New tests.
1285 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1286 * Makefile.in, configure: Regenerated.
1288 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1290 * mf-runtime.c (__mf_set_default_options): Turn on initialization
1291 checking by default.
1292 (__mf_insert_new_object): As a temporary hack, assume that new
1293 objects registered on the stack start out initialized.
1294 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1295 heap objects by hand.
1297 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1299 Switch to macro-style hooks for str*/mem*/b* functions.
1300 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1301 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1302 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1303 (__mf_set_default_options): Turn off heur_proc_map.
1304 (*): Adapt to to macro-style hook functions.
1305 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1306 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1307 (__mf_violation): Handle __MF_VIOL_WATCH.
1308 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1309 (__mf_dynamic): Removed mem*/str*/b* functions.
1310 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1311 (WRAPPER2): New macro for macro-style hooks.
1312 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1314 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1315 * mf-heuristics.c: Adapt to macro-style hook functions.
1316 Correct some comments.
1317 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1318 output pattern tests.
1319 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1320 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1322 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1324 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1325 for global array registration.
1326 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1327 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1329 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1331 * Makefile.am: Add gross make bug workarounds. Tweaked
1332 SUBDIRS and AM_CFLAGS.
1333 * Makefile.in: Regenerated.
1335 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1338 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1339 * Makefile.am (TESTS): Remove simple automake testing.
1340 * configure, Makefile.in: Regenerated.
1341 (SUBDIRS): Include new testsuite/ directory.
1342 * tests/*: Removed all files; moved bulk under:
1343 * testsuite/*: New subdirectory tree.
1344 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1345 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1346 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1347 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1348 * testsuite/config/default.exp: New file.
1349 * testsuite/Makefile.am, Makefile.in: New files.
1351 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1353 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1354 (TESTS): Add fail22 and pass29 tests.
1355 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1356 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1357 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1358 values. Move __MF_VIOL* here.
1359 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1360 (check_initialization): New field in __mf_opts. Default off.
1361 (read_count,write_count): New fields in __mf_object.
1362 (__mf_check): Implement basic initialization checking.
1363 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1364 (__mf_describe_object): Print new fields.
1365 (__mf_violation): Identify check/read vs. check/write in messages.
1366 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1367 "-check-initialized" mudflap option.
1368 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1369 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1370 Drop __FILE__/__LINE__ hack. Update callers.
1371 (*): Adapt to new mf-runtime.h API.
1372 * Makefile.in: regenerated.
1374 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1376 * configure.in: Build mf-runtime.h a more proper way.
1377 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1378 * mf-runtime.c (verbose_violations): Turn on by default.
1379 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1380 * mf-impl.h: ... and move it here.
1381 * configure: Regenerated.
1383 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1385 * configure.in: Look for C++ compiler.
1386 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1387 fixed type warnings when built with C++.
1388 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1389 * Makefile.am (TESTS): Run them.
1390 (*) Add new rules for building and running C++ tests.
1391 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1392 * mf-runtime.h.in: Protect with extern "C".
1393 * Makefile, configure: Regenerated.
1395 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1397 Portability improvements.
1398 * configure.in: Look for glibc backtrace headers/functions.
1399 * mf-hooks.c: Don't include <execinfo.h> any more.
1400 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1402 (__mf_backtrace): Provide alternate baby implementation in
1404 * test/mf-driver.c: Portability tweaks.
1405 * acinclude.m4: New file, containing top level libtool.m4.
1406 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1408 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1410 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1412 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1414 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1416 (__mf_unregister): Implement stack/heap object wiping.
1417 (__mf_set_options): Renamed from __mf_process_opts.
1418 (__mf_uncache_object): Change arg type, correct callers.
1419 * mf-impl.h: Corresponding changes.
1420 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1421 * mf-runtime.h.in (__mf_set_options): Extend public API.
1422 * test/pass26-frag.c: New test for stack wiping.
1423 * Makefile.am (TESTS): Run it.
1424 * Makefile.in: Regenerated.
1426 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1428 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1429 * mf-runtime.c (__mf_object_t): Add watching_p field.
1430 (__mf_watch_or_not): New function to implement
1431 object watch flagging.
1432 (__mf_watch, __mf_unwatch): New wrappers for above.
1433 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1434 (__mf_count_violation): Enlarge array.
1435 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1436 unlink object. Clear cache properly.
1437 (__mf_unregister): Unlink object explicitly before uncaching.
1438 * test/fail21-frag.c, pass25-frag.c: New tests.
1439 * Makefile.in, aclocal.m4: Regenerated.
1441 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1443 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1444 * Makefile.am (TESTS): Add it.
1445 * test/pass-stratcliff.c: Add decls of stpcpy.
1446 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1447 build tree from config.h and new file mf-runtime.h.in.
1448 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1449 * Makefile.in, configure, config.h.in: Regenerated.
1450 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1451 * mf-runtime.c (options, __mf_set_default_options): Support new
1452 default "abbreviate" option.
1453 (__mf_object.description_epoch): New field.
1454 (__mf_describe_object): Conditionally abbreviate objects already
1455 displayed in current epoch. Accept NULL input to increment epoch.
1456 (__mf_fini, __mf_ini): Reset description epoch.
1457 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1458 that NULL pointer slot in lookup cache is invalidated. Register a
1459 NOACCESS region around NULL.
1460 * mf-impl.h: Corresponding changes.
1462 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1464 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1465 * Makefile.am: Run them. Install mf-runtime.h.
1466 * Makefile.in: Regenerated.
1467 * mf-hooks.c: Add some markers for more missing functions.
1468 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1469 statistic to tune tune cache size (mask).
1471 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1473 * test/pass23-frag.c: New test for bit_field_ref expressions.
1474 * Makefile.am, Makefile.in: Add new test.
1475 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1476 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1477 * mf-runtime.c (__mf_init): Register errno global.
1478 (__mf_find_object): Removed function.
1479 (__mf_check): Rewrite logic to support accesses across some
1480 contiguous but distinctly registered objects.
1481 (__mf_remove_old_object): Tolerate cache entries that span
1484 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1486 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1487 * Makefile.am, Makefile.in: Run new tests.
1488 * mf-hooks.c (alloca): Correct stack direction logic.
1490 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1492 * mf-impl.h (adapt_cache): New option.
1493 * mf-runtime.c (__mf_set_default_options): Set its default value.
1494 Tweak the tree_aging parameter down.
1495 (__mf_check): Maintain separate counter for cache-adaptation.
1496 (__mf_tree_analyze): New function to collect object tree stats.
1497 (__mf_adapt_cache): New function to automate cache parameters.
1499 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1501 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1502 hypothetical #if-0'd argv/envp region registration.
1503 * mf-runtime.c (__mf_init): Add kludged form of above.
1504 (*) Add "heur_argv_environ" flag, default on, to govern this.
1505 * mf-impl.h: Corresponding changes.
1507 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1509 * test/fail18-frag.c: New test file for NOACCESS regions.
1510 * Makefile.am (TESTS): Add new test.
1511 * Makefile.in: Regenerated.
1513 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1514 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1515 (optimize_object_tree): Remove unused mudflap_option.
1516 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1517 support throughout. Use .._MAX_CEM for cemetary upper bound.
1518 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1520 (__mf_object): Add new liveness field for use by tree aging.
1521 (__mf_check): Trigger tree aging when needed.
1522 (__mf_age_tree): New function to decay liveness field.
1523 (__mf_find_objects_rec): Use liveness field to rotate tree.
1524 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1525 (__mf_unregister): Ditto.
1526 (__mf_register): Tweak duplicate-static message.
1527 (__mf_violation: Tweak nearby-object counter printing.
1529 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1531 * test/pass20-frag.c: New test file.
1532 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1533 * Makefile.in: Regenerated.
1535 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1536 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1537 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1538 entries to avoid repeat registration.
1539 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1540 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1542 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1544 * Makefile.am: Create test sources with #include, not cat>>.
1545 * Makefile.in: Regenerated.
1546 * test/buildtest.sh: Removed.
1547 * test/driver.c (abort_handler, main): Be quiet.
1549 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1551 * test/pass18-frag.c, pass19-frag.c: New tests.
1552 * Makefile.am (check): Run them. Rebuild test programs each time.
1553 * Makefile.in: Regenerated.
1555 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1557 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1558 overlapping object search.
1559 (__mf_violation): Likewise for nearby objects.
1560 Improve nearby-object listing.
1563 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1564 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1566 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1569 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1570 (HOOKOBJS): Add alloca-hook.o.
1571 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1573 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1574 (__mf_backtrace): Reimplement without using alloca.
1575 * Makefile.in: Regenerated.
1578 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1579 Correct signedness bugs in length-tracking variables.
1580 * mf-impl.h: Make options unsigned.
1581 (CALL_WRAP): New macro to parallel CALL_REAL().
1582 (DECLARE): Remove erroneous ";" at end.
1583 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1584 formatting specs with %08lx. Correct several compiler warnings.
1586 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1588 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1590 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1592 libmudflap hook breakup:
1593 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1595 (TESTS): Make dependent on libmudflap.
1596 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1597 compiled from segments of mf-hooks.c.
1598 * mf-hooks.c: Corresponding changes: wrap each function in
1600 * Makefile.in: Regenerated.
1602 Heuristics reorganization:
1603 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1604 Remove these functions. Update callers.
1605 (__mf_heuristic_check): Incorporate all the various heuristics.
1606 Encode cacheability/retry judgement into trinary return value.
1607 Separate start-end logic into a separate fallback heuristic. Only
1608 register relevant /proc/self/map segments.
1609 * mf-impl.h: Corresponding changes.
1610 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1611 (__mf_init): Don't call __mf_init_heuristics.
1614 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1615 "-verbose-trace" to emit all tracing messages other than those of
1616 basic public api. Eliminate some duplicate/excessive messages.
1617 * mf-runtime.h: Corresponding changes.
1619 2002-08-27 Graydon Hoare <graydon@redhat.com>
1621 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1622 and __real when compiled with -DPIC.
1623 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1624 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1625 * Makefile.in: Regenerate.
1627 2002-08-26 Graydon Hoare <graydon@redhat.com>
1629 * mf-impl.h: New file, private implementation header.
1630 * mf-runtime.h: Reorganize a bit.
1631 (CLAMPSZ): Fix arithmetic.
1632 (__MF_CACHE_MISS_P): Fix arithmetic.
1633 * mf-runtime.c: Reorganize a bit.
1634 (__mf_dynamic): New structure.
1635 (resolve_single_dynamic): New function.
1636 (__mf_resolve_dynamics): New function.
1637 (__mf_init): Initialize dynamic wrappers.
1638 * mf-hooks.c: Macro-ize __real calls.
1639 Clamp various bits of arithmetic.
1640 Add explicit __mf_check call contexts.
1641 * Makefile.am: Add dependencies on mf-impl.h
1642 * Makefile.in: Regenerate.
1643 * configure.in: Comment out shared override.
1644 * configure: Regenerate.
1646 2002-08-22 Graydon Hoare <graydon@redhat.com>
1648 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1649 (__mf_check): Re-inialize and check heuristics before violation.
1650 (__mf_register): Permit updating pure-guess regions.
1651 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1652 (__wrap_dlopen): New wrapper function.
1653 (__wrap_mmap): New wrapper function.
1654 (__wrap_munmap): New wrapper function.
1655 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1656 which are not stack addresses.
1657 (is_stack_address): New function.
1658 (__mf_init_heuristics): Save and restore state, always initialize with
1661 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1663 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1664 error. Pass location string.
1665 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1666 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1667 (__mf_process_opts): Apply some sanity checking for lc-mask.
1668 (__mf_check, __mf_violation): Take new location-string argument.
1669 Update callers to pass NULL if necessary.
1670 (__mf_backtrace): New smart backtracer function. Calls replace
1671 several ad-hoc blocks elsewhere.
1672 (__mf_describe_object): Remove bad reentrancy test. Improve
1674 * mf-runtime.h: Corresponding changes. Public/private markup.
1675 (__MF_CACHE_MISS_P): New macro.
1677 2002-08-20 Graydon Hoare <graydon@redhat.com>
1679 * mf-runtime.h: New option: stack_bound (heuristic).
1680 Move some macros out of implementation files.
1681 * mf-runtime.c: New option string: -stack-bound.
1682 Unify recursion protection with hooks.
1684 (__mf_check): Call __mf_heuristic_check.
1685 (__mf_process_opts): Fix "no-" processing.
1686 * mf-heuristics.c (__mf_heuristic_check): New function.
1687 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1689 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1691 Option parsing improvements, region splitting bug fixes:
1692 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1693 * mf-runtime.h (heur_proc_map): New libmudflap option.
1694 * mf-runtime.c (__mf_set_default_options): Set it.
1695 (__mf_usage): Print default values/status.
1696 (__mf_process_opts): Support general "no-" option string prefix.
1697 (__mf_init): Print __mf_usage on unknown-option error.
1698 (__mf_register): Print trace message up front.
1699 Correct region splitting logic for case where a subregion disappears.
1700 Correct memory leak.
1701 (__mf_violation): Make even basic message conditional on option.
1704 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1705 (clean-local): New target.
1706 (test/*x rules): Add -g CFLAGS.
1707 (CFLAGS): Add -freorder-blocks.
1708 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1709 * Makefile.in: Regenerated.
1710 * Makefile, mf-config.h: Removed files.
1712 2002-08-16 Graydon Hoare <graydon@redhat.com>
1714 * mf-runtime.c (__mf_insert_new_object): Factor out of
1716 (__mf_remove_old_object): Factor out of __mf_unregister.
1717 (__mf_register): Handle guessed regions, splitting
1718 guesses when new registrations arrive.
1719 (__mf_unregister): Do not unregister guesses.
1720 * mf-runtime.h: Move convenience macros around,
1721 declare new option fields. Add __MF_TYPE_GUESS.
1722 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1723 (__wrap_free): Call __real_free for deferred frees.
1724 * Makefile.am: Add more tests, fix dependency.
1725 * Makefile.in: Regenerate.
1726 * test/pass[13..17]-frag.c: New testcases.
1727 * test/fail[13..17]-frag.c: New testcases.
1729 2002-08-15 Graydon Hoare <graydon@redhat.com>
1731 * mf-heuristics.c: New file.
1732 * mf-runtime.c (options): Add -trace-calls option.
1733 (__mf_init): Call __mf_init_heuristics.
1735 2002-08-14 Graydon Hoare <graydon@redhat.com>
1737 * Makefile.am (TESTS): Add testsuite support.
1738 * Makefile.in: Regenerate.
1739 * test/mf-driver.c: New file.
1740 * test/buildtest.sh: New file.
1741 * test/passNN-frag.c: New testcases.
1742 * test/failNN-frag.c: New testcases.
1744 2002-08-14 Graydon Hoare <graydon@redhat.com>
1746 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1747 verifying non-size-limited string extents.
1749 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1751 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1752 instead of plain str[n]len for internal checks.
1753 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1755 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1757 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1759 2002-08-13 Graydon Hoare <graydon@redhat.com>
1761 * mf-runtime.c: Rework configuration to operate on
1762 environment variable options rather than #defines
1763 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1764 (__mf_init): Set static __mf_active_p flag on startup,
1765 to inhibit mudflap wrap-based checking during crt0.s.
1766 * mf-runtime.h: Declare options structure.
1767 * mf-hooks.c: New wrappings for mem*, b*, str*
1768 libc functions (temporarily #if 0-ed out).
1770 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1772 * Makefile.am, configure.in: New files.
1773 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1774 * stamp-h.in, aclocal.m4: Ditto.
1776 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1778 * Makefile: New file.
1779 * mf-config.h: New file: runtime configuration.
1780 * mf-hooks.c: New file: interposed libc functions.
1781 * mf-runtime.c: New file: bulk of runtime.
1782 * mf-runtime.h: New file: public functions.