1 2009-07-01 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/19831
4 * testsuite/libmudflap.c/fail11-frag.c: Make allocated memory
6 * testsuite/libmudflap.c/fail12-frag.c: Likewise.
7 * testsuite/libmudflap.c/fail16-frag.c: Likewise.
8 * testsuite/libmudflap.c/fail31-frag.c: Likewise.
10 2009-06-30 Richard Sandiford <r.sandiford@uk.ibm.com>
12 * testsuite/lib/libmudflap.exp (libmudflap-init): Don't add "."
13 to ld_library_path. Use add_path. Add just find_libgcc_s to
14 ld_library_path, not every libgcc multilib directory.
16 2009-04-09 Nick Clifton <nickc@redhat.com>
18 * mf-hooks1.c: Change copyright header to refer to version 3
19 of the GNU General Public License with version 3.1 of the GCC
20 Runtime Library Exception and to point readers at the COPYING3
21 and COPYING3.RUNTIME files and the FSF's license web page.
22 * mf-heuristics.c: Likewise.
23 * mf-hooks2.c: Likewise.
24 * mf-hooks3.c: Likewise.
25 * mf-impl.h: Likewise.
26 * mf-runtime.c: Likewise.
27 * mf-runtime.h: Likewise.
29 2009-04-09 Jakub Jelinek <jakub@redhat.com>
31 * testsuite/lib/mfdg.exp: Change copyright header to refer to
32 version 3 of the GNU General Public License and to point readers
33 at the COPYING3 file and the FSF's license web page.
34 * testsuite/lib/libmudflap.exp: Likewise.
36 2009-03-31 Ben Elliston <bje@au.ibm.com>
39 * testsuite/libmudflap.c/fail27-frag.c: Match `mudflap dead
40 object', not `mudflap object'.
42 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
44 * configure: Regenerate.
46 2009-02-03 Jakub Jelinek <jakub@redhat.com>
48 * mf-runtime.c (__mf_usage): Update copyright notice dates.
50 2009-01-23 Jie Zhang <jie.zhang@analog.com>
52 * mf-impl.h (__mf_get_state, __mf_set_state): Don't use
53 __thread when TLS support is emulated.
54 * mf-hooks3.c (__mf_get_state, __mf_set_state): Likewise.
55 * mf-runtime.c (__mf_state_1): Likewise.
56 * configure.ac: Use GCC_CHECK_EMUTLS.
57 * configure: Regenerate.
58 * config.h.in: Regenerate.
60 2008-12-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
62 * configure: Regenerate.
64 2008-11-26 Janis Johnson <janis187@us.ibm.com>
67 * testsuite/lib/mfdg.exp (dg-test): Use new timeout support.
69 (standard-wait): Remove.
70 * testsuite/lib/libmudflap.exp: Include new timeout library files.
71 (libmudflap_target_compile): Set timeout value from new proc.
73 2008-11-10 Jakub Jelinek <jakub@redhat.com>
76 * testsuite/libmudflap.c/pass67-frag.c: New test.
78 2008-10-09 Jakub Jelinek <jakub@redhat.com>
81 * testsuite/libmudflap.c++/pass66-frag.cxx: New test.
83 2008-09-26 Peter O'Gorman <pogma@thewrittenword.com>
84 Steve Ellcey <sje@cup.hp.com>
86 * configure: Regenerate for new libtool.
88 * testsuite/Makefile.in: Ditto.
90 2008-09-15 Jakub Jelinek <jakub@redhat.com>
93 * testsuite/libmudflap.c/pass64-frag.c: New test.
95 2008-06-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
97 * Makefile.in: Regenerate.
98 * config.h.in: Regenerate.
99 * configure: Regenerate.
100 * testsuite/Makefile.in: Regenerate.
102 2008-04-18 Paolo Bonzini <bonzini@gnu.org>
105 * aclocal.m4: Regenerate.
106 * configure: Regenerate.
108 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
110 * testsuite/libmudflap.c/pass63-frag.c: New test.
112 2008-03-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
114 * aclocal.m4: Regenerate.
115 * configure: Likewise.
116 * Makefile.in: Likewise.
117 * testsuite/Makefile.in: Likewise.
119 2008-03-02 Jakub Jelinek <jakub@redhat.com>
121 * mf-runtime.c (__mf_usage): Update copyright notice dates.
123 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
125 * testsuite/libmudflap.c/fail8-frag.c: Adjust scan pattern for
127 * testsuite/libmudflap.c/fail9-frag.c: Ditto.
129 2008-01-24 David Edelsohn <edelsohn@gnu.org>
131 * configure: Regenerate.
133 2008-01-05 Jakub Jelinek <jakub@redhat.com>
135 PR tree-optimization/34618
136 * testsuite/libmudflap.c/pass62-frag.c: New test.
138 2008-01-03 Jakub Jelinek <jakub@redhat.com>
141 * testsuite/libmudflap.c++/pass61-frag.cxx: New test.
143 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
146 * testsuite/libmudflap.c++/pass60-frag.cxx: New test.
148 2007-10-15 Maciej W. Rozycki <macro@linux-mips.org>
150 * configure: Regenerate following changes to ../config/tls.m4.
152 2007-07-26 Tom Tromey <tromey@redhat.com>
154 * Makefile.in: Rebuilt.
155 * Makefile.am (clean-local): Removed.
156 (pth/mf-runtime.lo, pth/mf-heuristics.lo, pth/mf-hooks1.lo,
157 pth/mf-hooks2.lo, pth/mf-hooks3.lo): Likewise.
158 (libmudflapth_la_SOURCES): List sources.
159 (libmudflapth_la_LIBADD): Clear.
160 (libmudflapth_la_CFLAGS): New variable.
162 2007-07-05 H.J. Lu <hongjiu.lu@intel.com>
164 * aclocal.m4: Regenerated.
166 2007-06-02 Paolo Bonzini <bonzini@gnu.org>
168 * configure: Regenerate.
170 2007-05-31 Frank Ch. Eigler <fche@redhat.com>
172 From Andi Kleen <ak@suse.de>:
173 * mf-runtime.c (options): Rename structure for compatibility with
176 2007-05-23 Steve Ellcey <sje@cup.hp.com>
178 * Makefile.in: Regenerate.
179 * configure: Regenerate.
180 * aclocal.m4: Regenerate.
181 * testsuite/Makefile.in: Regenerate.
183 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
185 * testsuite/libmudflap.cth/pass59-frag.c (main): Fix casting of arg.
187 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
189 * Makefile.am: Add dummy install-pdf target.
190 * Makefile.in: Regenerate
192 2007-02-07 Jakub Jelinek <jakub@redhat.com>
195 * configure: Regenerate.
197 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
199 * configure: Regenerate.
201 2006-11-13 Daniel Jacobowitz <dan@codesourcery.com>
203 * configure: Regenerated.
205 2006-11-10 Frank Ch. Eigler <fche@redhat.com>
208 * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
209 static but not function scope static.
210 (free): Skip deallocation attempts for objects placed into
212 * testsuite/libmudflap.cth/pass59-frag.c: New test.
214 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
216 From Herman ten Brugge <hermantenbrugge@home.nl>:
217 * mf-runtime.c (__mf_uncache_object): Optimize the code so that
218 small and large objects are handled a lot faster.
220 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
222 * configure.ac (__libc_freeres): Look for it.
223 * mf-impl.h (call_libc_freeres): New configuration flag.
224 * mf-runtime.c (__mf_set_default_options): Set it by default.
225 (__mfu_report): Call it if needed.
226 (__mfu_unregister): Remove "unaccessed registered object" warning.
227 * configure, config.h.in: Regenerated.
229 2006-09-18 Tom Tromey <tromey@redhat.com>
231 * configure: Rebuilt.
233 2006-06-21 Frank Ch. Eigler <fche@redhat.com>
236 mf-runtime.h installation based on ssp patch for PR 26473 from
237 Mark Mitchell <mark@codesourcery.com>.
238 * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
239 * Makefile.am (target_noncanonical): Define.
240 (libsubincludedir): New variable.
241 (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
242 (include_HEADERS): Remove.
243 * configure, aclocal.m4, config.h.in: Regenerated.
244 * Makefile.in, testsuite/Makefile.in: Likewise.
245 * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
246 and _THREAD_SAFE redefinition values.
248 2006-05-23 Carlos O'Donell <carlos@codesourcery.com>
250 * Makefile.am: Add install-html target. Add install-html to .PHONY
251 * Makefile.in: Regenerate.
253 2006-04-19 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
256 * testsuite/libmudflap.c++/error1-frag.cxx: New test.
259 * testsuite/libmudflap.c++/error2-frag.cxx: New test.
261 2006-04-10 Matthias Klose <doko@debian.org>
263 * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
264 directory names containing underscores.
266 2005-11-22 Janis Johnson <janis187@us.ibm.com>
268 * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
269 MUDFLAP_FLAGS if static library not supported.
270 * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
271 * testsuite/libmudflap.c/externs.exp: Ditto.
272 * testsuite/libmudflap.c++/ctors.exp: Ditto.
273 * testsuite/libmudflap.c++/c++frags.exp: Ditto.
274 * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
276 2005-10-04 James E Wilson <wilson@specifix.com>
278 * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
279 $name as array of characters with unknown bound. Also store into the
281 * configure: Regenerate.
283 2005-09-30 James E. Wilson <wilson@specifix.com>
285 * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
287 (target_thread_file): New. Set from sed'ed gcc output.
288 (posix_threads): New. Set from target_thread_file. Use instead of
290 (pthread_create_version): Move initialization before code using it.
291 * configure: Regenerate.
293 * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
296 2005-09-29 James E. Wilson <wilson@specifix.com>
298 * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
299 with HAVE_MMAP ifdef.
301 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
304 * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
306 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
308 * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
310 2005-09-23 Tom Tromey <tromey@redhat.com>
312 * aclocal.m4, configure: Rebuilt.
313 * configure.ac: Use GCC_CHECK_TLS.
314 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
317 2005-08-22 Jim Wilson <wilson@specifix.com>
319 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
320 __FreeBSD__ is defined.
322 2005-08-17 Jim Wilson <wilson@specifix.com>
324 * mf-hooks1.c (malloc, calloc, realloc, free,
325 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
326 the real routines, and END_MALLOC_PROTECT afterwards.
327 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
328 (BEGIN_PROTECT): Handle in_malloc state.
329 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
330 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
332 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
334 * All files: Update FSF address.
336 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
338 * mf-hooks3.c (main_seen_p): Remove.
339 (__mf_get_state): Remove attempt to recognize the main thread.
341 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
343 * configure.ac: Test for the name of the symbol used for the entry
344 point; define ENTRY_POINT to the result.
345 * configure: Regenerate.
346 * config.h.in: Regenerate.
347 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
349 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
351 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
352 (__mf_init): Set thread state active.
353 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
355 (pthread_create wrapper): Always use thread spawner.
357 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
358 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
360 2005-07-16 Richard Henderson <rth@redhat.com>
362 * acinclude.m4: New file.
363 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
364 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
365 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
366 (__mf_0fn_calloc): ... here.
367 * mf-hooks3.c (struct pthread_info): Remove.
368 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
369 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
370 (struct mf_thread_data): New.
371 (mf_thread_data, mf_thread_data_lock): New.
372 (__mf_allocate_blank_threadinfo): Remove.
373 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
375 (__mf_state_perthread): Remove.
376 (__mf_get_state, __mf_set_state): New.
377 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
378 Update mf_thread_data killing procedure.
379 (__mf_pthread_spawner): Similarly.
380 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
381 code to allocate thread stack space.
382 (__mf_0fn_pthread_join, pthread_join): Remove.
383 (__mf_0fn_pthread_exit, pthread_exit): Remove.
384 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
385 (__mf_state_1): Rename from __mf_state; use TLS when available.
386 (__mf_get_state, __mf_set_state): New. Update all users.
387 * mf-runtime.c (begin_recursion_protect1): New.
388 (BEGIN_RECURSION_PROTECT): Use it.
389 (__mf_state_1): Rename from __mf_state; use TLS when available.
390 (threads_active_p): Remove.
391 (__mf_usage): Compute it directly.
393 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
395 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
397 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
399 Fix for uncaching bug reported by Herman ten Brugge.
400 * mf-runtime.c (__mf_uncache_object): Search whole cache.
401 * testsuite/libmudflap.c/fail40-frag.c: New test.
403 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
406 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
407 * Makefile.in: Amend.
409 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
412 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
413 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
415 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
418 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
420 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
423 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
424 unsigned vars with #defines instead of enums.
426 2005-05-09 Mike Stump <mrs@apple.com>
428 * configure: Regenerate.
430 2005-04-12 Mike Stump <mrs@apple.com>
432 * configure: Regenerate.
434 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
437 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
438 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
440 2005-04-04 Alan Modra <amodra@bigpond.net.au>
442 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
444 2005-03-31 Mike Stump <mrs@apple.com>
446 * mf-runtime.h: Add libmudflap copyright clause.
448 2005-03-21 Mike Stump <mrs@apple.com>
450 * mf-heuristics.c: Fix whitespace at end of line.
451 * mf-hooks1.c: Likewise.
452 * mf-hooks2.c: Likewise.
453 * mf-hooks3.c: Likewise.
454 * mf-impl.h: Likewise.
455 * mf-runtime.c: Likewise.
456 * mf-runtime.h: Likewise.
458 2005-03-21 Zack Weinberg <zack@codesourcery.com>
460 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
461 In all substitutions, expand gcc_version in Makefile.
462 * aclocal.m4, configure: Regenerate.
463 * Makefile.am: Set gcc_version.
464 * Makefile.in, testsuite/Makefile.in: Regenerate.
466 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
468 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
469 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
471 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
474 * testsuite/libmudflap.c++/pass55-frag.c: New test.
476 2005-01-05 Richard Henderson <rth@redhat.com>
478 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
480 2005-01-02 Greg McGary <greg@mcgary.org>
482 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
483 * mf-runtime.h: New file, replaces mf-runtime.h.in.
484 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
485 * Makefile.in: Ditto.
486 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
487 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
488 * testsuite/libmudflap.c/fail36-frag.c: New test.
489 * testsuite/libmudflap.c/fail37-frag.c: New test.
490 * testsuite/libmudflap.c/fail38-frag.c: New test.
492 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
494 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
495 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
497 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
499 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
500 * aclocal.m4: Include ../config/gcc-version.m4.
501 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
503 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
505 * Makefile.am: Define ACLOCAL_AMFLAGS.
506 * acinclude.m4: Remove.
507 * stamp-h.in: Remove superfluous stamp file.
508 * aclocal.m4, configure, Makefile.in: Regenerate.
509 * testsuite/Makefile.in: Likewise.
511 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
513 * Makefile.am: Revert previous.
514 * acinclude.m4: Restore.
515 * aclocal.m4, configure, Makefile.in: Regenerate.
516 * testsuite/Makefile.in: Likewise.
518 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
520 * Makefile.am: Define ACLOCAL_AMFLAGS.
521 * acinclude.m4: Remove.
522 * aclocal.m4, configure, Makefile.in: Regenerate.
523 * testsuite/Makefile.in: Likewise.
525 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
527 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
529 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
531 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
532 * testsuite/Makefile.in: Likewise.
534 2004-11-01 Andreas Schwab <schwab@suse.de>
536 * configure.ac: (target_alias): Default to $host_alias, not
538 * configure: Regenerated.
540 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
542 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
543 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
546 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
549 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
551 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
553 * configure.ac: Check for more headers, functions.
554 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
555 tracking overridden FILE buffers.
556 (fopen, setvbuf): New/revised hook functions for buffer overriding.
557 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
558 (fflush): Accept given NULL stream (means "all streams").
560 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
562 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
563 (__mf_adapt_cache): Use them all.
564 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
565 * testsuite/libmudflap.c++/ctors.exp: Ditto.
566 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
567 * configure, config.h.in: Regenerated.
569 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
571 * configure.ac: Checking for sys/socket.h once is enough.
572 * configure: Regenerated.
574 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
576 * configure.ac: Look for more headers & functions.
577 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
578 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
579 * mf-runtime.c (options): Clean up integer signedness warnings.
580 (main): Add a declaration to fix a warning.
581 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
582 * configure, config.h.in: Regenerated.
584 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
586 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
587 New tests for proper base/limit checking for aggregates.
589 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
591 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
593 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
595 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
596 * mf-hooks2.c (strerror): Unregister previous string returned by
598 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
599 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
600 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
601 * mf-runtime.c (__mf_describe_object): Clarify object life status.
602 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
604 * configure, config.h.in: Regenerated.
606 2004-08-03 Dale Johannesen <dalej@apple.com>
608 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
610 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
612 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
613 simplified contents in all former callers.
615 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
617 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
618 the statically linked case.
620 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
622 * splay-tree.[ch]: Remove. Merge contents into ...
623 * mf-runtime.c: ... here, renaming symbols and making all functions
624 static. Remove unused min/max functions.
625 * Makefile.am: Forget about splay-tree.[ch].
626 * Makefile.in, testsuite/Makefile.in: Regenerated.
628 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
630 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
631 (__mfu_usage): Include (C) 2004.
632 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
633 here. Include a comment explaining why.
635 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
637 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
638 * mf-runtime.c (options): Give them a name.
639 (__mf_set_default_options): Set them.
640 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
641 (__mf_violation): Warning cleanup.
642 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
643 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
645 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
648 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
651 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
653 Test case for g++/15861
654 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
655 * testsuite/libmudflap.c++/ctors.exp: Driver.
656 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
657 Look only for *frag* test cases.
659 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
661 ANSI C conversion, libmudflap specialization, recursion limiting.
662 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
663 argument and indirection function pointers, update callers.
664 (splay_tree_s): Add statistics and recursion control fields
665 num_keys, max_depth, depth, rebalance_p.
666 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
667 Back out of search if it exceeds limit.
668 (splay_tree_splay): Manage recursion limiting with rebalancing as
670 (splay_tree_new): More initialization.
671 (splay_tree_rebalance): New function.
672 (splay_tree_foreach): Rewrite using nonrecursive logic.
673 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
674 Remove. Point indirect calls to mf-runtime.c's routines.
675 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
677 (splay_tree_delete, splay_tree_delete_helper): Ditto.
678 * testsuite/heap-scalestress.c: New test based on one from
679 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
681 2004-07-05 Matthias Klose <doko@debian.org>
683 * libtool-version: New.
684 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
685 Use -version-info for soname.
686 * Makefile.in: Regenerate.
687 * configure.ac: Remove libtool_VERSION macro
688 * configure: Regenerate
690 2004-07-05 Zack Weinberg <zack@codesourcery.com>
692 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
693 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
696 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
698 Splay tree implementation fork.
699 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
700 Use hard-coded comparison function for uintptr_t. Remove key/value
701 deallocation logic. Cache last splayed key for consecutive lookups.
702 * Makefile.am, Makefile.in: Use them, don't link to them.
703 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
704 (__mf_find_objects2): Flip successor/predecessor search sequence.
705 * ansidecl.h, libiberty.h: Removed dummy files.
707 2004-06-29 Nick Clifton <nickc@redhat.com>
709 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
710 * configure: Regenerate.
711 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
713 Remove spurious inclusion of <strings.h>.
715 2004-06-29 Nick Clifton <nickc@redhat.com>
717 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
718 function actually exists.
720 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
722 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
723 * config.h.in: Regenerated.
725 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
727 Adopt splay trees for object database.
728 * Makefile.am: Copy splay-tree.* from libiberty.
729 * Makefile.in, testsuite/Makefile.in: Regenerated.
730 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
731 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
732 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
733 * mf-runtime.c: Rewrite code dealing with object database to use
734 libiberty splay trees. Remove tree liveness aging option.
735 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
737 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
739 * configure.ac: New name of configure.in. Update
740 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
741 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
742 Autoconf 2.5x and Automake 1.7 or later.
743 * configure.in: Remove.
744 * configure: Regenerate.
746 * Makefile.am: Remove useless multilib rules.
747 * Makefile.in: Regenerate.
749 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
751 * .cvsignore: New file.
753 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
756 * mf-hooks2.c (semctl): Add cygwin porting hack.
758 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
761 * configure.in: Look for ctype header and glibc implementation.
762 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
763 array hooks for glibc 2.3.
764 * mf-runtime.h.in: Wrap them.
765 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
767 * testsuite/libmudflap.c/pass47-frag.c: New test.
768 * configure, config.h.in: Regenerated.
770 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
772 Portability improvements, e.g., libmudflap/15293.
773 * configure.in: Look for glibc extension functions. Look for
774 support of -f{function,data}-sections. Look for more headers.
775 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
776 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
777 mf-hooks* into usual single object per source.
778 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
779 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
780 if system doesn't provide one.
781 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
782 (pthread_create): Use it to properly GC dead thread stacks.
783 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
784 * testsuite/Makefile.am: Stop generating site.exp.
785 * testsuite/mfconfig.exp.in: New file.
786 * testsuite/config/default.exp: Load new mfconfig.exp.
787 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
788 (prune_gcc_output): Add glibc static linking warnings.
789 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
790 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
791 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
792 Regenerated with autoconf 2.57 and automake 1.7.
794 2004-06-04 Per Bothner <per@bothner.com>
796 * configure.in (LIBMUDFLAPTH): Fix thinko.
798 * configure.in: Check for more headers.
799 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
801 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
802 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
804 2004-06-01 Andreas Jaeger <aj@suse.de>
806 * configure.in: Handle multilibs, support
807 --enable-version-specific-runtime-libs.
808 * Makefile.am (lib_LTLIBRARIES): Rename to ...
809 (toolexeclib_LTLIBRARIES): this for multilib support.
810 * Makefile.in: Regenerated.
811 * configure: Regenerated.
812 * aclocal.m4: Regenerated.
813 * config.h.in: Regenerated.
814 * testsuite/Makefile.in: Regenerated.
816 2004-06-01 Andreas Jaeger <aj@suse.de>
818 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
819 multilibs, using multilib directory instead of hardcoded path.
822 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
824 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
825 * Makefile.in: Ditto.
827 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
829 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
830 * aclocal.m4, configure: Rebuilt.
832 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
834 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
835 import some build settings from libstdc++-v3 testsuite_flags.
836 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
837 changes to pass test language.
839 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
840 quicker mode-nop handling.
842 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
844 * mf-impl.h: Added libgcc license header.
846 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
848 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
849 Added libgcc license header.
850 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
851 (pthread_create): Simplify stack allocation syntax.
853 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
855 * mf-hooks2.c: Support FreeBSD.
856 (WRAP_gets): Avoid gets().
857 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
858 test unimplemented mem/str calls on FreeBSD.
859 * testsuite/libmudflap.c/pass21-frag.c: Do not include
860 <alloca.h> on FreeBSD.
862 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
864 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
865 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
866 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
867 flags for static linking permutation.
868 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
869 some pthreads code that croaks on linux glibc tls.
871 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
873 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
875 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
877 * testsuite/libmudflap.c/pass44-frag.c: New test.
879 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
881 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
883 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
885 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
887 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
889 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
891 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
894 * configure.in: Add check for see if
895 socklen_t typedef is in sys/socket.h.
896 * mf-hooks1.c: Add define if socklen_t
898 * mf-hooks2.c: Likewise.
899 * mf-hooks3.c: Likewise.
900 * config.h.in: Regen.
903 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
905 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
906 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
908 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
909 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
910 (unoptimized) allocation of stack space.
912 2003-12-07 Richard Henderson <rth@redhat.com>
914 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
915 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
917 2003-12-06 Andrew Pinski <apinski@apple.com>
919 partial PR libmudflap/12670
920 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
921 * mf-hooks2.c: Likewise.
922 * mf-hooks3.c: Likewise.
924 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
927 * mf-runtime.h.in: Switch to #pragma redefine_extname for
928 symbols interposed at compile time.
929 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
932 * mf-hooks2.c (semctl): Tolerate FreeBSD.
934 * configure.in: Reorganize check for <pthread.h>.
935 * configure: Regenerated.
937 2003-11-04 David Edelsohn <edelsohn@gnu.org>
939 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
940 (_LARGE_FILE_API): Define for AIX.
941 * mf-hooks[123]: Same.
942 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
944 2003-10-21 David Edelsohn <edelsohn@gnu.org>
946 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
948 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
950 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
952 * configure.in: Update check for union semun.
954 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
957 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
959 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
962 * configure.in: Add checks for 64-bit LFS functions, struct semun
963 definition, for BSD compatibility.
964 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
965 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
966 * mf-hooks3.c: Ditto.
967 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
969 * configure, config.h.in: Regenerated.
971 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
973 Multithreading fixes:
974 * mf-runtime.c (__mf_object): Store allocating/deallocating
976 (options): Support new "-thread-stack" option.
977 Rename "-heur-argv-environ" option to "-heur-stdlib".
978 Disable "-lc-mask" and "-lc-shift" options.
979 (__mf_dynamic): Add function pointers for pthread_join/_exit.
980 (__assert_fail): New self-contained function for glibc.
981 * mf-hooks3.c: Essentially rewritten, particularly related to
982 use of __mf_pthread_info array.
983 (pthread_join, _exit): New hook functions.
984 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
985 * testsuite/libmudflap.cth/pass40-frag.c: New test.
988 * mf-heuristics.c: Add type casts for tracing, sub calls.
989 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
990 Update all callers to declare explicit result holder.
991 (END_PROTECT): Removed.
992 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
994 2003-07-15 Diego Novillo <dnovillo@redhat.com>
996 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
997 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
998 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1000 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
1002 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
1003 * mf-hooks: Removed.
1004 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
1005 Move these macros from old mf-hooks.c here.
1006 * Makefile.am: Adapt to split-up hook sources for faster builds.
1007 * Makefile.in: Regenerated.
1009 * mf-heuristics.c: Remove #if-0 block.
1011 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
1012 (__mf_starting_p): New state only for use while dlsym bootstrapping.
1013 (CALL_REAL, __mf_init): Corresponding changes.
1014 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
1015 all callers to remove redundant "mf:" prefix.
1016 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
1017 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
1018 (__mf_pthread_info): Become a hash table.
1020 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
1021 "dg-repetitions" directives to control test case execution.
1022 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
1024 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
1026 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
1028 * mf-hooks.c (alloca): Separate into stub.
1029 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
1030 malloc/free for alloca blocks.
1031 (pthread_create): Tolerate failing pthread_attr_get* calls.
1032 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
1033 * mf-impl.h (CALL_WRAP): Remove macro.
1034 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
1035 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
1036 padding for ia64 BIT_FIELD_REF constructs.
1038 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
1040 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
1041 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
1042 libmudflap object type.
1043 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
1044 crashes on unregistering STATIC objects.
1046 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
1048 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
1049 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
1050 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
1051 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
1052 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
1053 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
1054 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
1055 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
1056 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
1057 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
1058 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
1059 (accept, bind, connect, gethostname, sethostname): New hooks.
1060 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
1061 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
1062 (semop, semctl, shmctl, shmat, shmdt): New hooks.
1063 * mf-runtime.h.in: Corresponding changes.
1064 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
1065 (opts) Rename heur_argv_environ to heur_std_data.
1066 (__mf_wrap_main): Use STATIC type for argv/environ strings.
1067 * Makefile.am: Corresponding changes.
1068 * Makefile.in: Regenerated.
1070 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
1072 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
1073 heuristic for threaded case, and for non-x86-linux targets.
1074 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
1075 for use during pre-main() program startup.
1076 (__mf_0fn_*): Make these functions non-static.
1077 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
1079 * mf-runtime.c (__mf_state): Set initial state to "starting".
1080 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
1081 (__wrap_main): New function to register argv[] and environ[] strings.
1082 (__mf_ini): Call it.
1083 (*): In all trace functions, use "%p" as formatter for uintptr_t.
1085 * testsuite/libmudflap.c/pass38-frag.c: New test case.
1086 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
1088 * acinclude.m4: Add comments with aoliva's concerns about x86_64
1090 * aclocal.m4, configure: Regenerated.
1092 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
1094 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
1095 * aclocal.m4, configure: Regenerated.
1097 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
1099 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
1100 for x86_64 target. Disable caching for this value.
1101 * aclocal.m4, configure: Regenerated.
1103 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
1105 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
1106 is about to become deprecated, and its present handling bugs are
1109 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
1111 * testsuite/libmudflap.c/pass38-frag.c: New test for
1114 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1116 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
1117 __mf_report, asserting reentrant calling context.
1119 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1121 * mf-hooks.c (realloc): Correct reentrancy logic.
1122 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
1124 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
1126 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
1127 PTHREAD_THREADS_MAX. Update users.
1128 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
1130 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
1131 with libmudflapth presence indicator.
1132 * testsuite/Makefile.in: Regenerated.
1134 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
1136 * Makefile.am (AM_CFLAGS): Remove "-ansi".
1137 * configure.in: Remove silly no-pthreads => no-shared logic.
1138 * Makefile.in, configure: Regenerated.
1139 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
1140 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
1141 code. Count reentrancy events.
1142 (all hook functions): Don't directly manipulate __mf_state variable.
1143 Add TRACE calls to hook functions without them.
1144 * mf-impl.h (LOCKTH): Try to count lock contention events.
1145 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
1146 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
1147 Reorganize reentrancy code.
1148 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
1149 identify reentrancy with mutex holding times.
1150 (internal __mfu_ entry points): Remove internal reentrancy code.
1151 (__mf_init): Use ordinary locked calls.
1152 (__mfu_report): Print the two new counts.
1153 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
1154 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
1155 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
1156 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
1159 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
1161 * configure.in: Add pthread support, plus glibc and porting hacks.
1162 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
1163 from objects built into ./pth/.
1164 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
1165 functions for internal entry points. Update callers to pick
1166 locked vs. unlocked variants.
1167 (__mf_resolve_single_dynamic): Extend to support symbol versioning
1168 info coming in from a static data structure.
1169 (*): Reorder miscellaneous declarations to group data vs functions.
1170 (__mf_set_default_options): Simplify.
1171 (__mf_usage): Mention threading status of host executable.
1172 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
1173 decls to match above.
1174 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
1175 * mf-heuristics.c: Choose between locked/unlocked calls. Add
1176 some lock/unlock markers. Remove some unused code.
1178 (pthread_create): New hook function.
1179 (__mf_pthread_cleanup, _spawner): New helper functions.
1180 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
1182 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
1184 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
1186 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
1188 * Makefile.am (HOOKOBJS): Add *time related hooks.
1189 * configure.in: Look for pthreads.h header.
1190 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
1191 * mf-runtime.c: Begin sketching some pthreads support.
1192 (__mf_usage): Check for -lpthread presence.
1193 (__mf_unregister): Confirm matching unregistration base.
1194 (__mf_find_objects_rec): Reduce unnecessary recursion.
1195 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
1196 #defines for new hook functions.
1197 * mf-impl.h: Corresponding changes.
1198 * config.h.in, configure, Makefile.in: Regenerated.
1200 2002-04-27 Diego Novillo <dnovillo@redhat.com>
1202 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
1203 modifiers to prevent being optimized away.
1204 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
1205 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1206 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
1207 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1208 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
1209 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
1210 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
1212 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1214 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1215 * configure.in: Look for uintptr_t and -ldl on target.
1216 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1217 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1218 * testsuite/Makefile.in: Regenerated.
1219 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1220 for better C compliance.
1222 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1224 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1226 * mf-runtime.c (__mf_set_default_options): Turn off
1227 check-initialization.
1228 (__mf_describe_object): Shorten description.
1229 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1231 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
1233 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1235 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
1237 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1239 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1240 * mf-impl.h (CALL_BACKUP): New macros.
1241 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1243 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
1245 * Makefile.am (AM_CFLAGS): Remove optimization flags.
1246 (HOOKOBJS): Remove dlopen hook.
1247 (libmudflap_la_LIBADD): Add -ldl.
1248 * mf-hooks.c (dlopen): Remove hook.
1249 * mf-impl.h (__mf_dynamic): Ditto.
1250 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1251 * Makefile.in: Regenerated.
1253 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
1255 * configure.in: Check for target gettimeofday, signal, some headers.
1256 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
1257 out inop multi_threaded field.
1258 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1259 (__mf_set_options): Correct handling of "-help".
1260 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1261 (__mf_check, __mf_register, __mf_unregister): Call it.
1262 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1263 (__mf_report_leaks): Make callable
1264 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
1265 distribution statistics.
1266 (__mf_adapt_cache): Rewrite shift guessing logic based on address
1268 * config.h.in, configure: Regenerated.
1269 * testsuite/libmudflap.c/fail27-frag.c: New test.
1270 * testsuite/libmudflap.c/pass36-frag.c: New test.
1272 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
1274 * mf-runtime.h.in: Tweak.
1275 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1276 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1277 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1279 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1281 * configure.in: Tweak generation of mf-runtime.h some more. It
1282 needs to work from both config.status and configure.
1283 * configure: Regenerated.
1285 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1287 * Makefile.am: Reorganize hook file building. Add auto dependencies.
1288 * configure.in: Tweak generation of mf-runtime.h.
1289 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1290 * mf-hooks.c (*): Adapt to initialized-heap object type.
1291 * mf-impl.h: Tweak cemetary boundaries.
1292 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1294 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1295 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1296 * testsuite/lib/libmudflap.exp (includes): Include build tree.
1297 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1299 * testsuite/.../fail{25,26}-frag.c: New tests.
1300 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1301 * Makefile.in, configure: Regenerated.
1303 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1305 * mf-runtime.c (__mf_set_default_options): Turn on initialization
1306 checking by default.
1307 (__mf_insert_new_object): As a temporary hack, assume that new
1308 objects registered on the stack start out initialized.
1309 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1310 heap objects by hand.
1312 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1314 Switch to macro-style hooks for str*/mem*/b* functions.
1315 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1316 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1317 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1318 (__mf_set_default_options): Turn off heur_proc_map.
1319 (*): Adapt to to macro-style hook functions.
1320 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1321 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1322 (__mf_violation): Handle __MF_VIOL_WATCH.
1323 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1324 (__mf_dynamic): Removed mem*/str*/b* functions.
1325 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1326 (WRAPPER2): New macro for macro-style hooks.
1327 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1329 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1330 * mf-heuristics.c: Adapt to macro-style hook functions.
1331 Correct some comments.
1332 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1333 output pattern tests.
1334 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1335 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1337 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1339 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1340 for global array registration.
1341 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1342 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1344 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1346 * Makefile.am: Add gross make bug workarounds. Tweaked
1347 SUBDIRS and AM_CFLAGS.
1348 * Makefile.in: Regenerated.
1350 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1353 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1354 * Makefile.am (TESTS): Remove simple automake testing.
1355 * configure, Makefile.in: Regenerated.
1356 (SUBDIRS): Include new testsuite/ directory.
1357 * tests/*: Removed all files; moved bulk under:
1358 * testsuite/*: New subdirectory tree.
1359 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1360 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1361 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1362 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1363 * testsuite/config/default.exp: New file.
1364 * testsuite/Makefile.am, Makefile.in: New files.
1366 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1368 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1369 (TESTS): Add fail22 and pass29 tests.
1370 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1371 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1372 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1373 values. Move __MF_VIOL* here.
1374 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1375 (check_initialization): New field in __mf_opts. Default off.
1376 (read_count,write_count): New fields in __mf_object.
1377 (__mf_check): Implement basic initialization checking.
1378 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1379 (__mf_describe_object): Print new fields.
1380 (__mf_violation): Identify check/read vs. check/write in messages.
1381 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1382 "-check-initialized" mudflap option.
1383 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1384 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1385 Drop __FILE__/__LINE__ hack. Update callers.
1386 (*): Adapt to new mf-runtime.h API.
1387 * Makefile.in: regenerated.
1389 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1391 * configure.in: Build mf-runtime.h a more proper way.
1392 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1393 * mf-runtime.c (verbose_violations): Turn on by default.
1394 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1395 * mf-impl.h: ... and move it here.
1396 * configure: Regenerated.
1398 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1400 * configure.in: Look for C++ compiler.
1401 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1402 fixed type warnings when built with C++.
1403 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1404 * Makefile.am (TESTS): Run them.
1405 (*) Add new rules for building and running C++ tests.
1406 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1407 * mf-runtime.h.in: Protect with extern "C".
1408 * Makefile, configure: Regenerated.
1410 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1412 Portability improvements.
1413 * configure.in: Look for glibc backtrace headers/functions.
1414 * mf-hooks.c: Don't include <execinfo.h> any more.
1415 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1417 (__mf_backtrace): Provide alternate baby implementation in
1419 * test/mf-driver.c: Portability tweaks.
1420 * acinclude.m4: New file, containing top level libtool.m4.
1421 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1423 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1425 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1427 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1429 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1431 (__mf_unregister): Implement stack/heap object wiping.
1432 (__mf_set_options): Renamed from __mf_process_opts.
1433 (__mf_uncache_object): Change arg type, correct callers.
1434 * mf-impl.h: Corresponding changes.
1435 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1436 * mf-runtime.h.in (__mf_set_options): Extend public API.
1437 * test/pass26-frag.c: New test for stack wiping.
1438 * Makefile.am (TESTS): Run it.
1439 * Makefile.in: Regenerated.
1441 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1443 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1444 * mf-runtime.c (__mf_object_t): Add watching_p field.
1445 (__mf_watch_or_not): New function to implement
1446 object watch flagging.
1447 (__mf_watch, __mf_unwatch): New wrappers for above.
1448 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1449 (__mf_count_violation): Enlarge array.
1450 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1451 unlink object. Clear cache properly.
1452 (__mf_unregister): Unlink object explicitly before uncaching.
1453 * test/fail21-frag.c, pass25-frag.c: New tests.
1454 * Makefile.in, aclocal.m4: Regenerated.
1456 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1458 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1459 * Makefile.am (TESTS): Add it.
1460 * test/pass-stratcliff.c: Add decls of stpcpy.
1461 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1462 build tree from config.h and new file mf-runtime.h.in.
1463 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1464 * Makefile.in, configure, config.h.in: Regenerated.
1465 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1466 * mf-runtime.c (options, __mf_set_default_options): Support new
1467 default "abbreviate" option.
1468 (__mf_object.description_epoch): New field.
1469 (__mf_describe_object): Conditionally abbreviate objects already
1470 displayed in current epoch. Accept NULL input to increment epoch.
1471 (__mf_fini, __mf_ini): Reset description epoch.
1472 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1473 that NULL pointer slot in lookup cache is invalidated. Register a
1474 NOACCESS region around NULL.
1475 * mf-impl.h: Corresponding changes.
1477 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1479 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1480 * Makefile.am: Run them. Install mf-runtime.h.
1481 * Makefile.in: Regenerated.
1482 * mf-hooks.c: Add some markers for more missing functions.
1483 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1484 statistic to tune tune cache size (mask).
1486 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1488 * test/pass23-frag.c: New test for bit_field_ref expressions.
1489 * Makefile.am, Makefile.in: Add new test.
1490 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1491 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1492 * mf-runtime.c (__mf_init): Register errno global.
1493 (__mf_find_object): Removed function.
1494 (__mf_check): Rewrite logic to support accesses across some
1495 contiguous but distinctly registered objects.
1496 (__mf_remove_old_object): Tolerate cache entries that span
1499 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1501 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1502 * Makefile.am, Makefile.in: Run new tests.
1503 * mf-hooks.c (alloca): Correct stack direction logic.
1505 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1507 * mf-impl.h (adapt_cache): New option.
1508 * mf-runtime.c (__mf_set_default_options): Set its default value.
1509 Tweak the tree_aging parameter down.
1510 (__mf_check): Maintain separate counter for cache-adaptation.
1511 (__mf_tree_analyze): New function to collect object tree stats.
1512 (__mf_adapt_cache): New function to automate cache parameters.
1514 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1516 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1517 hypothetical #if-0'd argv/envp region registration.
1518 * mf-runtime.c (__mf_init): Add kludged form of above.
1519 (*) Add "heur_argv_environ" flag, default on, to govern this.
1520 * mf-impl.h: Corresponding changes.
1522 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1524 * test/fail18-frag.c: New test file for NOACCESS regions.
1525 * Makefile.am (TESTS): Add new test.
1526 * Makefile.in: Regenerated.
1528 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1529 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1530 (optimize_object_tree): Remove unused mudflap_option.
1531 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1532 support throughout. Use .._MAX_CEM for cemetary upper bound.
1533 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1535 (__mf_object): Add new liveness field for use by tree aging.
1536 (__mf_check): Trigger tree aging when needed.
1537 (__mf_age_tree): New function to decay liveness field.
1538 (__mf_find_objects_rec): Use liveness field to rotate tree.
1539 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1540 (__mf_unregister): Ditto.
1541 (__mf_register): Tweak duplicate-static message.
1542 (__mf_violation: Tweak nearby-object counter printing.
1544 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1546 * test/pass20-frag.c: New test file.
1547 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1548 * Makefile.in: Regenerated.
1550 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1551 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1552 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1553 entries to avoid repeat registration.
1554 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1555 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1557 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1559 * Makefile.am: Create test sources with #include, not cat>>.
1560 * Makefile.in: Regenerated.
1561 * test/buildtest.sh: Removed.
1562 * test/driver.c (abort_handler, main): Be quiet.
1564 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1566 * test/pass18-frag.c, pass19-frag.c: New tests.
1567 * Makefile.am (check): Run them. Rebuild test programs each time.
1568 * Makefile.in: Regenerated.
1570 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1572 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1573 overlapping object search.
1574 (__mf_violation): Likewise for nearby objects.
1575 Improve nearby-object listing.
1578 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1579 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1581 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1584 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1585 (HOOKOBJS): Add alloca-hook.o.
1586 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1588 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1589 (__mf_backtrace): Reimplement without using alloca.
1590 * Makefile.in: Regenerated.
1593 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1594 Correct signedness bugs in length-tracking variables.
1595 * mf-impl.h: Make options unsigned.
1596 (CALL_WRAP): New macro to parallel CALL_REAL().
1597 (DECLARE): Remove erroneous ";" at end.
1598 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1599 formatting specs with %08lx. Correct several compiler warnings.
1601 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1603 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1605 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1607 libmudflap hook breakup:
1608 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1610 (TESTS): Make dependent on libmudflap.
1611 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1612 compiled from segments of mf-hooks.c.
1613 * mf-hooks.c: Corresponding changes: wrap each function in
1615 * Makefile.in: Regenerated.
1617 Heuristics reorganization:
1618 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1619 Remove these functions. Update callers.
1620 (__mf_heuristic_check): Incorporate all the various heuristics.
1621 Encode cacheability/retry judgement into trinary return value.
1622 Separate start-end logic into a separate fallback heuristic. Only
1623 register relevant /proc/self/map segments.
1624 * mf-impl.h: Corresponding changes.
1625 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1626 (__mf_init): Don't call __mf_init_heuristics.
1629 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1630 "-verbose-trace" to emit all tracing messages other than those of
1631 basic public api. Eliminate some duplicate/excessive messages.
1632 * mf-runtime.h: Corresponding changes.
1634 2002-08-27 Graydon Hoare <graydon@redhat.com>
1636 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1637 and __real when compiled with -DPIC.
1638 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1639 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1640 * Makefile.in: Regenerate.
1642 2002-08-26 Graydon Hoare <graydon@redhat.com>
1644 * mf-impl.h: New file, private implementation header.
1645 * mf-runtime.h: Reorganize a bit.
1646 (CLAMPSZ): Fix arithmetic.
1647 (__MF_CACHE_MISS_P): Fix arithmetic.
1648 * mf-runtime.c: Reorganize a bit.
1649 (__mf_dynamic): New structure.
1650 (resolve_single_dynamic): New function.
1651 (__mf_resolve_dynamics): New function.
1652 (__mf_init): Initialize dynamic wrappers.
1653 * mf-hooks.c: Macro-ize __real calls.
1654 Clamp various bits of arithmetic.
1655 Add explicit __mf_check call contexts.
1656 * Makefile.am: Add dependencies on mf-impl.h
1657 * Makefile.in: Regenerate.
1658 * configure.in: Comment out shared override.
1659 * configure: Regenerate.
1661 2002-08-22 Graydon Hoare <graydon@redhat.com>
1663 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1664 (__mf_check): Re-inialize and check heuristics before violation.
1665 (__mf_register): Permit updating pure-guess regions.
1666 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1667 (__wrap_dlopen): New wrapper function.
1668 (__wrap_mmap): New wrapper function.
1669 (__wrap_munmap): New wrapper function.
1670 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1671 which are not stack addresses.
1672 (is_stack_address): New function.
1673 (__mf_init_heuristics): Save and restore state, always initialize with
1676 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1678 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1679 error. Pass location string.
1680 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1681 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1682 (__mf_process_opts): Apply some sanity checking for lc-mask.
1683 (__mf_check, __mf_violation): Take new location-string argument.
1684 Update callers to pass NULL if necessary.
1685 (__mf_backtrace): New smart backtracer function. Calls replace
1686 several ad-hoc blocks elsewhere.
1687 (__mf_describe_object): Remove bad reentrancy test. Improve
1689 * mf-runtime.h: Corresponding changes. Public/private markup.
1690 (__MF_CACHE_MISS_P): New macro.
1692 2002-08-20 Graydon Hoare <graydon@redhat.com>
1694 * mf-runtime.h: New option: stack_bound (heuristic).
1695 Move some macros out of implementation files.
1696 * mf-runtime.c: New option string: -stack-bound.
1697 Unify recursion protection with hooks.
1699 (__mf_check): Call __mf_heuristic_check.
1700 (__mf_process_opts): Fix "no-" processing.
1701 * mf-heuristics.c (__mf_heuristic_check): New function.
1702 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1704 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1706 Option parsing improvements, region splitting bug fixes:
1707 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1708 * mf-runtime.h (heur_proc_map): New libmudflap option.
1709 * mf-runtime.c (__mf_set_default_options): Set it.
1710 (__mf_usage): Print default values/status.
1711 (__mf_process_opts): Support general "no-" option string prefix.
1712 (__mf_init): Print __mf_usage on unknown-option error.
1713 (__mf_register): Print trace message up front.
1714 Correct region splitting logic for case where a subregion disappears.
1715 Correct memory leak.
1716 (__mf_violation): Make even basic message conditional on option.
1719 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1720 (clean-local): New target.
1721 (test/*x rules): Add -g CFLAGS.
1722 (CFLAGS): Add -freorder-blocks.
1723 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1724 * Makefile.in: Regenerated.
1725 * Makefile, mf-config.h: Removed files.
1727 2002-08-16 Graydon Hoare <graydon@redhat.com>
1729 * mf-runtime.c (__mf_insert_new_object): Factor out of
1731 (__mf_remove_old_object): Factor out of __mf_unregister.
1732 (__mf_register): Handle guessed regions, splitting
1733 guesses when new registrations arrive.
1734 (__mf_unregister): Do not unregister guesses.
1735 * mf-runtime.h: Move convenience macros around,
1736 declare new option fields. Add __MF_TYPE_GUESS.
1737 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1738 (__wrap_free): Call __real_free for deferred frees.
1739 * Makefile.am: Add more tests, fix dependency.
1740 * Makefile.in: Regenerate.
1741 * test/pass[13..17]-frag.c: New testcases.
1742 * test/fail[13..17]-frag.c: New testcases.
1744 2002-08-15 Graydon Hoare <graydon@redhat.com>
1746 * mf-heuristics.c: New file.
1747 * mf-runtime.c (options): Add -trace-calls option.
1748 (__mf_init): Call __mf_init_heuristics.
1750 2002-08-14 Graydon Hoare <graydon@redhat.com>
1752 * Makefile.am (TESTS): Add testsuite support.
1753 * Makefile.in: Regenerate.
1754 * test/mf-driver.c: New file.
1755 * test/buildtest.sh: New file.
1756 * test/passNN-frag.c: New testcases.
1757 * test/failNN-frag.c: New testcases.
1759 2002-08-14 Graydon Hoare <graydon@redhat.com>
1761 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1762 verifying non-size-limited string extents.
1764 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1766 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1767 instead of plain str[n]len for internal checks.
1768 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1770 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1772 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1774 2002-08-13 Graydon Hoare <graydon@redhat.com>
1776 * mf-runtime.c: Rework configuration to operate on
1777 environment variable options rather than #defines
1778 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1779 (__mf_init): Set static __mf_active_p flag on startup,
1780 to inhibit mudflap wrap-based checking during crt0.s.
1781 * mf-runtime.h: Declare options structure.
1782 * mf-hooks.c: New wrappings for mem*, b*, str*
1783 libc functions (temporarily #if 0-ed out).
1785 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1787 * Makefile.am, configure.in: New files.
1788 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1789 * stamp-h.in, aclocal.m4: Ditto.
1791 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1793 * Makefile: New file.
1794 * mf-config.h: New file: runtime configuration.
1795 * mf-hooks.c: New file: interposed libc functions.
1796 * mf-runtime.c: New file: bulk of runtime.
1797 * mf-runtime.h: New file: public functions.