| blob | f65cf2ab3d367aaac5754f820d92da3a7accc626 |
1 2009-09-22 Frank Ch. Eigler <fche@redhat.com>
3 PR libmudflap/41433
4 * mf-runtime.c (__mf_init): Ignore $MUDFLAP_OPTIONS if
5 running setuid or setgid.
7 2009-09-01 Loren J. Rittle <ljrittle@acm.org>
9 * mf-runtime.c (__mf_init): Support FreeBSD.
10 Prime mutex which calls calloc upon first lock to avoid deadlock.
11 * mf-hooks1.c (__mf_0fn_mmap): Support FreeBSD.
12 Ignore red zone allocation request for initial thread's stack.
14 2009-09-01 Loren J. Rittle <ljrittle@acm.org>
15 Andreas Schwab <schwab@linux-m68k.org>
17 * testsuite/libmudflap.c/pass51-frag.c (MAP_FAILED): Define,
18 if not in system header; use it. On FreeBSD, must pass fd==-1
19 with MAP_ANON flag. Correct mmap error check.
20 * testsuite/libmudflap.c/fail40-frag.c: Ditto.
22 2009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
24 * configure.ac (AC_PREREQ): Bump to 2.64.
26 2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
28 * Makefile.am (install-html, install-pdf): Remove.
29 * Makefile.in: Regenerate.
31 * Makefile.in: Regenerate.
32 * aclocal.m4: Regenerate.
33 * config.h.in: Regenerate.
34 * configure: Regenerate.
35 * testsuite/Makefile.in: Regenerate.
37 2009-07-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
39 * configure.ac (_AC_ARG_VAR_PRECIOUS): Use m4_rename_force.
41 2009-07-16 Joseph Myers <joseph@codesourcery.com>
43 * configure: Regenerate.
45 2009-07-11 Richard Sandiford <rdsandiford@googlemail.com>
47 PR testsuite/40699
48 PR testsuite/40707
49 PR testsuite/40709
50 * testsuite/lib/libmudflap.exp: Revert 2009-06-30 commit.
52 2009-07-01 Richard Guenther <rguenther@suse.de>
54 PR tree-optimization/19831
55 * testsuite/libmudflap.c/fail11-frag.c: Make allocated memory
56 escape.
57 * testsuite/libmudflap.c/fail12-frag.c: Likewise.
58 * testsuite/libmudflap.c/fail16-frag.c: Likewise.
59 * testsuite/libmudflap.c/fail31-frag.c: Likewise.
61 2009-06-30 Richard Sandiford <r.sandiford@uk.ibm.com>
63 * testsuite/lib/libmudflap.exp (libmudflap-init): Don't add "."
64 to ld_library_path. Use add_path. Add just find_libgcc_s to
65 ld_library_path, not every libgcc multilib directory.
67 2009-04-09 Nick Clifton <nickc@redhat.com>
69 * mf-hooks1.c: Change copyright header to refer to version 3
70 of the GNU General Public License with version 3.1 of the GCC
71 Runtime Library Exception and to point readers at the COPYING3
72 and COPYING3.RUNTIME files and the FSF's license web page.
73 * mf-heuristics.c: Likewise.
74 * mf-hooks2.c: Likewise.
75 * mf-hooks3.c: Likewise.
76 * mf-impl.h: Likewise.
77 * mf-runtime.c: Likewise.
78 * mf-runtime.h: Likewise.
80 2009-04-09 Jakub Jelinek <jakub@redhat.com>
82 * testsuite/lib/mfdg.exp: Change copyright header to refer to
83 version 3 of the GNU General Public License and to point readers
84 at the COPYING3 file and the FSF's license web page.
85 * testsuite/lib/libmudflap.exp: Likewise.
87 2009-03-31 Ben Elliston <bje@au.ibm.com>
89 PR libmudflap/38462
90 * testsuite/libmudflap.c/fail27-frag.c: Match `mudflap dead
91 object', not `mudflap object'.
93 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
95 * configure: Regenerate.
97 2009-02-03 Jakub Jelinek <jakub@redhat.com>
99 * mf-runtime.c (__mf_usage): Update copyright notice dates.
101 2009-01-23 Jie Zhang <jie.zhang@analog.com>
103 * mf-impl.h (__mf_get_state, __mf_set_state): Don't use
104 __thread when TLS support is emulated.
105 * mf-hooks3.c (__mf_get_state, __mf_set_state): Likewise.
106 * mf-runtime.c (__mf_state_1): Likewise.
107 * configure.ac: Use GCC_CHECK_EMUTLS.
108 * configure: Regenerate.
109 * config.h.in: Regenerate.
111 2008-12-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
113 * configure: Regenerate.
115 2008-11-26 Janis Johnson <janis187@us.ibm.com>
117 PR testsuite/28870
118 * testsuite/lib/mfdg.exp (dg-test): Use new timeout support.
119 (dg-timeout): Remove.
120 (standard-wait): Remove.
121 * testsuite/lib/libmudflap.exp: Include new timeout library files.
122 (libmudflap_target_compile): Set timeout value from new proc.
124 2008-11-10 Jakub Jelinek <jakub@redhat.com>
126 PR middle-end/35314
127 * testsuite/libmudflap.c/pass67-frag.c: New test.
129 2008-10-09 Jakub Jelinek <jakub@redhat.com>
131 PR c++/37568
132 * testsuite/libmudflap.c++/pass66-frag.cxx: New test.
134 2008-09-26 Peter O'Gorman <pogma@thewrittenword.com>
135 Steve Ellcey <sje@cup.hp.com>
137 * configure: Regenerate for new libtool.
138 * Makefile.in: Ditto.
139 * testsuite/Makefile.in: Ditto.
141 2008-09-15 Jakub Jelinek <jakub@redhat.com>
143 PR libmudflap/36397
144 * testsuite/libmudflap.c/pass64-frag.c: New test.
146 2008-06-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
148 * Makefile.in: Regenerate.
149 * config.h.in: Regenerate.
150 * configure: Regenerate.
151 * testsuite/Makefile.in: Regenerate.
153 2008-04-18 Paolo Bonzini <bonzini@gnu.org>
155 PR bootstrap/35457
156 * aclocal.m4: Regenerate.
157 * configure: Regenerate.
159 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
161 * testsuite/libmudflap.c/pass63-frag.c: New test.
163 2008-03-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
165 * aclocal.m4: Regenerate.
166 * configure: Likewise.
167 * Makefile.in: Likewise.
168 * testsuite/Makefile.in: Likewise.
170 2008-03-02 Jakub Jelinek <jakub@redhat.com>
172 * mf-runtime.c (__mf_usage): Update copyright notice dates.
174 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
176 * testsuite/libmudflap.c/fail8-frag.c: Adjust scan pattern for
177 mudflap dead object.
178 * testsuite/libmudflap.c/fail9-frag.c: Ditto.
180 2008-01-24 David Edelsohn <edelsohn@gnu.org>
182 * configure: Regenerate.
184 2008-01-05 Jakub Jelinek <jakub@redhat.com>
186 PR tree-optimization/34618
187 * testsuite/libmudflap.c/pass62-frag.c: New test.
189 2008-01-03 Jakub Jelinek <jakub@redhat.com>
191 PR c++/34619
192 * testsuite/libmudflap.c++/pass61-frag.cxx: New test.
194 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
196 PR libmudflap/26442
197 * testsuite/libmudflap.c++/pass60-frag.cxx: New test.
199 2007-10-15 Maciej W. Rozycki <macro@linux-mips.org>
201 * configure: Regenerate following changes to ../config/tls.m4.
203 2007-07-26 Tom Tromey <tromey@redhat.com>
205 * Makefile.in: Rebuilt.
206 * Makefile.am (clean-local): Removed.
207 (pth/mf-runtime.lo, pth/mf-heuristics.lo, pth/mf-hooks1.lo,
208 pth/mf-hooks2.lo, pth/mf-hooks3.lo): Likewise.
209 (libmudflapth_la_SOURCES): List sources.
210 (libmudflapth_la_LIBADD): Clear.
211 (libmudflapth_la_CFLAGS): New variable.
213 2007-07-05 H.J. Lu <hongjiu.lu@intel.com>
215 * aclocal.m4: Regenerated.
217 2007-06-02 Paolo Bonzini <bonzini@gnu.org>
219 * configure: Regenerate.
221 2007-05-31 Frank Ch. Eigler <fche@redhat.com>
223 From Andi Kleen <ak@suse.de>:
224 * mf-runtime.c (options): Rename structure for compatibility with
225 glibc getopt_long.
227 2007-05-23 Steve Ellcey <sje@cup.hp.com>
229 * Makefile.in: Regenerate.
230 * configure: Regenerate.
231 * aclocal.m4: Regenerate.
232 * testsuite/Makefile.in: Regenerate.
234 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
236 * testsuite/libmudflap.cth/pass59-frag.c (main): Fix casting of arg.
238 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
240 * Makefile.am: Add dummy install-pdf target.
241 * Makefile.in: Regenerate
243 2007-02-07 Jakub Jelinek <jakub@redhat.com>
245 PR libgomp/28468
246 * configure: Regenerate.
248 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
250 * configure: Regenerate.
252 2006-11-13 Daniel Jacobowitz <dan@codesourcery.com>
254 * configure: Regenerated.
256 2006-11-10 Frank Ch. Eigler <fche@redhat.com>
258 PR libmudflap/28578
259 * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
260 static but not function scope static.
261 (free): Skip deallocation attempts for objects placed into
262 bootstrap buffers.
263 * testsuite/libmudflap.cth/pass59-frag.c: New test.
265 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
267 From Herman ten Brugge <hermantenbrugge@home.nl>:
268 * mf-runtime.c (__mf_uncache_object): Optimize the code so that
269 small and large objects are handled a lot faster.
271 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
273 * configure.ac (__libc_freeres): Look for it.
274 * mf-impl.h (call_libc_freeres): New configuration flag.
275 * mf-runtime.c (__mf_set_default_options): Set it by default.
276 (__mfu_report): Call it if needed.
277 (__mfu_unregister): Remove "unaccessed registered object" warning.
278 * configure, config.h.in: Regenerated.
280 2006-09-18 Tom Tromey <tromey@redhat.com>
282 * configure: Rebuilt.
284 2006-06-21 Frank Ch. Eigler <fche@redhat.com>
286 PR 21274
287 mf-runtime.h installation based on ssp patch for PR 26473 from
288 Mark Mitchell <mark@codesourcery.com>.
289 * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
290 * Makefile.am (target_noncanonical): Define.
291 (libsubincludedir): New variable.
292 (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
293 (include_HEADERS): Remove.
294 * configure, aclocal.m4, config.h.in: Regenerated.
295 * Makefile.in, testsuite/Makefile.in: Likewise.
296 * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
297 and _THREAD_SAFE redefinition values.
299 2006-05-23 Carlos O'Donell <carlos@codesourcery.com>
301 * Makefile.am: Add install-html target. Add install-html to .PHONY
302 * Makefile.in: Regenerate.
304 2006-04-19 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
306 PR mudflap/26789
307 * testsuite/libmudflap.c++/error1-frag.cxx: New test.
309 PR mudflap/26790
310 * testsuite/libmudflap.c++/error2-frag.cxx: New test.
312 2006-04-10 Matthias Klose <doko@debian.org>
314 * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
315 directory names containing underscores.
317 2005-11-22 Janis Johnson <janis187@us.ibm.com>
319 * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
320 MUDFLAP_FLAGS if static library not supported.
321 * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
322 * testsuite/libmudflap.c/externs.exp: Ditto.
323 * testsuite/libmudflap.c++/ctors.exp: Ditto.
324 * testsuite/libmudflap.c++/c++frags.exp: Ditto.
325 * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
327 2005-10-04 James E Wilson <wilson@specifix.com>
329 * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
330 $name as array of characters with unknown bound. Also store into the
331 array.
332 * configure: Regenerate.
334 2005-09-30 James E. Wilson <wilson@specifix.com>
336 * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
337 AC_CHECK_HEADER.
338 (target_thread_file): New. Set from sed'ed gcc output.
339 (posix_threads): New. Set from target_thread_file. Use instead of
340 ac_have_pthread_h.
341 (pthread_create_version): Move initialization before code using it.
342 * configure: Regenerate.
344 * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
345 bounds.
347 2005-09-29 James E. Wilson <wilson@specifix.com>
349 * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
350 with HAVE_MMAP ifdef.
352 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
354 PR 23084.
355 * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
357 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
359 * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
361 2005-09-23 Tom Tromey <tromey@redhat.com>
363 * aclocal.m4, configure: Rebuilt.
364 * configure.ac: Use GCC_CHECK_TLS.
365 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
366 to ../config.
368 2005-08-22 Jim Wilson <wilson@specifix.com>
370 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
371 __FreeBSD__ is defined.
373 2005-08-17 Jim Wilson <wilson@specifix.com>
375 * mf-hooks1.c (malloc, calloc, realloc, free,
376 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
377 the real routines, and END_MALLOC_PROTECT afterwards.
378 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
379 (BEGIN_PROTECT): Handle in_malloc state.
380 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
381 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
383 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
385 * All files: Update FSF address.
387 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
389 * mf-hooks3.c (main_seen_p): Remove.
390 (__mf_get_state): Remove attempt to recognize the main thread.
392 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
394 * configure.ac: Test for the name of the symbol used for the entry
395 point; define ENTRY_POINT to the result.
396 * configure: Regenerate.
397 * config.h.in: Regenerate.
398 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
400 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
402 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
403 (__mf_init): Set thread state active.
404 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
405 state active.
406 (pthread_create wrapper): Always use thread spawner.
408 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
409 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
411 2005-07-16 Richard Henderson <rth@redhat.com>
413 * acinclude.m4: New file.
414 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
415 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
416 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
417 (__mf_0fn_calloc): ... here.
418 * mf-hooks3.c (struct pthread_info): Remove.
419 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
420 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
421 (struct mf_thread_data): New.
422 (mf_thread_data, mf_thread_data_lock): New.
423 (__mf_allocate_blank_threadinfo): Remove.
424 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
425 not available.
426 (__mf_state_perthread): Remove.
427 (__mf_get_state, __mf_set_state): New.
428 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
429 Update mf_thread_data killing procedure.
430 (__mf_pthread_spawner): Similarly.
431 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
432 code to allocate thread stack space.
433 (__mf_0fn_pthread_join, pthread_join): Remove.
434 (__mf_0fn_pthread_exit, pthread_exit): Remove.
435 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
436 (__mf_state_1): Rename from __mf_state; use TLS when available.
437 (__mf_get_state, __mf_set_state): New. Update all users.
438 * mf-runtime.c (begin_recursion_protect1): New.
439 (BEGIN_RECURSION_PROTECT): Use it.
440 (__mf_state_1): Rename from __mf_state; use TLS when available.
441 (threads_active_p): Remove.
442 (__mf_usage): Compute it directly.
444 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
446 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
448 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
450 Fix for uncaching bug reported by Herman ten Brugge.
451 * mf-runtime.c (__mf_uncache_object): Search whole cache.
452 * testsuite/libmudflap.c/fail40-frag.c: New test.
454 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
456 PR libmudflap/21724
457 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
458 * Makefile.in: Amend.
460 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
462 PR mudflap/21023
463 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
464 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
466 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
468 PR libmudflap/21094
469 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
471 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
473 PR mudflap/22064
474 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
475 unsigned vars with #defines instead of enums.
477 2005-05-09 Mike Stump <mrs@apple.com>
479 * configure: Regenerate.
481 2005-04-12 Mike Stump <mrs@apple.com>
483 * configure: Regenerate.
485 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
487 PR mudflap/19266
488 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
489 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
491 2005-04-04 Alan Modra <amodra@bigpond.net.au>
493 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
495 2005-03-31 Mike Stump <mrs@apple.com>
497 * mf-runtime.h: Add libmudflap copyright clause.
499 2005-03-21 Mike Stump <mrs@apple.com>
501 * mf-heuristics.c: Fix whitespace at end of line.
502 * mf-hooks1.c: Likewise.
503 * mf-hooks2.c: Likewise.
504 * mf-hooks3.c: Likewise.
505 * mf-impl.h: Likewise.
506 * mf-runtime.c: Likewise.
507 * mf-runtime.h: Likewise.
509 2005-03-21 Zack Weinberg <zack@codesourcery.com>
511 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
512 In all substitutions, expand gcc_version in Makefile.
513 * aclocal.m4, configure: Regenerate.
514 * Makefile.am: Set gcc_version.
515 * Makefile.in, testsuite/Makefile.in: Regenerate.
517 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
519 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
520 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
522 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
524 PR mudflap/19319
525 * testsuite/libmudflap.c++/pass55-frag.c: New test.
527 2005-01-05 Richard Henderson <rth@redhat.com>
529 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
531 2005-01-02 Greg McGary <greg@mcgary.org>
533 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
534 * mf-runtime.h: New file, replaces mf-runtime.h.in.
535 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
536 * Makefile.in: Ditto.
537 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
538 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
539 * testsuite/libmudflap.c/fail36-frag.c: New test.
540 * testsuite/libmudflap.c/fail37-frag.c: New test.
541 * testsuite/libmudflap.c/fail38-frag.c: New test.
543 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
545 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
546 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
548 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
550 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
551 * aclocal.m4: Include ../config/gcc-version.m4.
552 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
554 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
556 * Makefile.am: Define ACLOCAL_AMFLAGS.
557 * acinclude.m4: Remove.
558 * stamp-h.in: Remove superfluous stamp file.
559 * aclocal.m4, configure, Makefile.in: Regenerate.
560 * testsuite/Makefile.in: Likewise.
562 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
564 * Makefile.am: Revert previous.
565 * acinclude.m4: Restore.
566 * aclocal.m4, configure, Makefile.in: Regenerate.
567 * testsuite/Makefile.in: Likewise.
569 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
571 * Makefile.am: Define ACLOCAL_AMFLAGS.
572 * acinclude.m4: Remove.
573 * aclocal.m4, configure, Makefile.in: Regenerate.
574 * testsuite/Makefile.in: Likewise.
576 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
578 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
580 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
582 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
583 * testsuite/Makefile.in: Likewise.
585 2004-11-01 Andreas Schwab <schwab@suse.de>
587 * configure.ac: (target_alias): Default to $host_alias, not
588 $target.
589 * configure: Regenerated.
591 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
593 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
594 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
595 message.
597 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
599 PR other/18138
600 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
602 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
604 * configure.ac: Check for more headers, functions.
605 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
606 tracking overridden FILE buffers.
607 (fopen, setvbuf): New/revised hook functions for buffer overriding.
608 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
609 (fflush): Accept given NULL stream (means "all streams").
610 * mf-runtime.h.in:
611 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
612 HEAP/GUESS objects.
613 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
614 (__mf_adapt_cache): Use them all.
615 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
616 * testsuite/libmudflap.c++/ctors.exp: Ditto.
617 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
618 * configure, config.h.in: Regenerated.
620 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
622 * configure.ac: Checking for sys/socket.h once is enough.
623 * configure: Regenerated.
625 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
627 * configure.ac: Look for more headers & functions.
628 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
629 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
630 * mf-runtime.c (options): Clean up integer signedness warnings.
631 (main): Add a declaration to fix a warning.
632 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
633 * configure, config.h.in: Regenerated.
635 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
637 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
638 New tests for proper base/limit checking for aggregates.
640 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
642 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
644 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
646 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
647 * mf-hooks2.c (strerror): Unregister previous string returned by
648 previous strerror.
649 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
650 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
651 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
652 * mf-runtime.c (__mf_describe_object): Clarify object life status.
653 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
654 New tests.
655 * configure, config.h.in: Regenerated.
657 2004-08-03 Dale Johannesen <dalej@apple.com>
659 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
661 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
663 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
664 simplified contents in all former callers.
666 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
668 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
669 the statically linked case.
671 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
673 * splay-tree.[ch]: Remove. Merge contents into ...
674 * mf-runtime.c: ... here, renaming symbols and making all functions
675 static. Remove unused min/max functions.
676 * Makefile.am: Forget about splay-tree.[ch].
677 * Makefile.in, testsuite/Makefile.in: Regenerated.
679 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
681 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
682 (__mfu_usage): Include (C) 2004.
683 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
684 here. Include a comment explaining why.
686 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
688 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
689 * mf-runtime.c (options): Give them a name.
690 (__mf_set_default_options): Set them.
691 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
692 (__mf_violation): Warning cleanup.
693 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
694 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
696 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
698 g++/15861
699 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
700 repeated invocation.
702 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
704 Test case for g++/15861
705 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
706 * testsuite/libmudflap.c++/ctors.exp: Driver.
707 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
708 Look only for *frag* test cases.
710 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
712 ANSI C conversion, libmudflap specialization, recursion limiting.
713 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
714 argument and indirection function pointers, update callers.
715 (splay_tree_s): Add statistics and recursion control fields
716 num_keys, max_depth, depth, rebalance_p.
717 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
718 Back out of search if it exceeds limit.
719 (splay_tree_splay): Manage recursion limiting with rebalancing as
720 needed.
721 (splay_tree_new): More initialization.
722 (splay_tree_rebalance): New function.
723 (splay_tree_foreach): Rewrite using nonrecursive logic.
724 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
725 Remove. Point indirect calls to mf-runtime.c's routines.
726 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
727 functions.
728 (splay_tree_delete, splay_tree_delete_helper): Ditto.
729 * testsuite/heap-scalestress.c: New test based on one from
730 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
732 2004-07-05 Matthias Klose <doko@debian.org>
734 * libtool-version: New.
735 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
736 Use -version-info for soname.
737 * Makefile.in: Regenerate.
738 * configure.ac: Remove libtool_VERSION macro
739 * configure: Regenerate
741 2004-07-05 Zack Weinberg <zack@codesourcery.com>
743 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
744 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
745 #ifndef _MUDFLAP.
747 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
749 Splay tree implementation fork.
750 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
751 Use hard-coded comparison function for uintptr_t. Remove key/value
752 deallocation logic. Cache last splayed key for consecutive lookups.
753 * Makefile.am, Makefile.in: Use them, don't link to them.
754 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
755 (__mf_find_objects2): Flip successor/predecessor search sequence.
756 * ansidecl.h, libiberty.h: Removed dummy files.
758 2004-06-29 Nick Clifton <nickc@redhat.com>
760 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
761 * configure: Regenerate.
762 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
763 HAVE_DIRENT_H.
764 Remove spurious inclusion of <strings.h>.
766 2004-06-29 Nick Clifton <nickc@redhat.com>
768 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
769 function actually exists.
771 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
773 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
774 * config.h.in: Regenerated.
776 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
778 Adopt splay trees for object database.
779 * Makefile.am: Copy splay-tree.* from libiberty.
780 * Makefile.in, testsuite/Makefile.in: Regenerated.
781 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
782 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
783 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
784 * mf-runtime.c: Rewrite code dealing with object database to use
785 libiberty splay trees. Remove tree liveness aging option.
786 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
788 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
790 * configure.ac: New name of configure.in. Update
791 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
792 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
793 Autoconf 2.5x and Automake 1.7 or later.
794 * configure.in: Remove.
795 * configure: Regenerate.
797 * Makefile.am: Remove useless multilib rules.
798 * Makefile.in: Regenerate.
800 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
802 * .cvsignore: New file.
804 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
806 PR libmudflap/13505
807 * mf-hooks2.c (semctl): Add cygwin porting hack.
809 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
811 ctype support.
812 * configure.in: Look for ctype header and glibc implementation.
813 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
814 array hooks for glibc 2.3.
815 * mf-runtime.h.in: Wrap them.
816 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
817 implementations.
818 * testsuite/libmudflap.c/pass47-frag.c: New test.
819 * configure, config.h.in: Regenerated.
821 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
823 Portability improvements, e.g., libmudflap/15293.
824 * configure.in: Look for glibc extension functions. Look for
825 support of -f{function,data}-sections. Look for more headers.
826 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
827 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
828 mf-hooks* into usual single object per source.
829 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
830 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
831 if system doesn't provide one.
832 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
833 (pthread_create): Use it to properly GC dead thread stacks.
834 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
835 * testsuite/Makefile.am: Stop generating site.exp.
836 * testsuite/mfconfig.exp.in: New file.
837 * testsuite/config/default.exp: Load new mfconfig.exp.
838 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
839 (prune_gcc_output): Add glibc static linking warnings.
840 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
841 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
842 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
843 Regenerated with autoconf 2.57 and automake 1.7.
845 2004-06-04 Per Bothner <per@bothner.com>
847 * configure.in (LIBMUDFLAPTH): Fix thinko.
849 * configure.in: Check for more headers.
850 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
852 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
853 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
855 2004-06-01 Andreas Jaeger <aj@suse.de>
857 * configure.in: Handle multilibs, support
858 --enable-version-specific-runtime-libs.
859 * Makefile.am (lib_LTLIBRARIES): Rename to ...
860 (toolexeclib_LTLIBRARIES): this for multilib support.
861 * Makefile.in: Regenerated.
862 * configure: Regenerated.
863 * aclocal.m4: Regenerated.
864 * config.h.in: Regenerated.
865 * testsuite/Makefile.in: Regenerated.
867 2004-06-01 Andreas Jaeger <aj@suse.de>
869 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
870 multilibs, using multilib directory instead of hardcoded path.
871 Set LD_RUN_PATH.
873 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
875 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
876 * Makefile.in: Ditto.
878 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
880 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
881 * aclocal.m4, configure: Rebuilt.
883 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
885 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
886 import some build settings from libstdc++-v3 testsuite_flags.
887 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
888 changes to pass test language.
890 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
891 quicker mode-nop handling.
893 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
895 * mf-impl.h: Added libgcc license header.
897 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
899 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
900 Added libgcc license header.
901 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
902 (pthread_create): Simplify stack allocation syntax.
904 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
906 * mf-hooks2.c: Support FreeBSD.
907 (WRAP_gets): Avoid gets().
908 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
909 test unimplemented mem/str calls on FreeBSD.
910 * testsuite/libmudflap.c/pass21-frag.c: Do not include
911 <alloca.h> on FreeBSD.
913 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
915 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
916 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
917 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
918 flags for static linking permutation.
919 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
920 some pthreads code that croaks on linux glibc tls.
922 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
924 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
926 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
928 * testsuite/libmudflap.c/pass44-frag.c: New test.
930 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
932 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
934 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
936 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
938 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
940 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
942 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
944 PR libmudflap/12670
945 * configure.in: Add check for see if
946 socklen_t typedef is in sys/socket.h.
947 * mf-hooks1.c: Add define if socklen_t
948 is not typedef.
949 * mf-hooks2.c: Likewise.
950 * mf-hooks3.c: Likewise.
951 * config.h.in: Regen.
952 * configure: Regen.
954 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
956 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
957 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
958 optimizations.
959 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
960 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
961 (unoptimized) allocation of stack space.
963 2003-12-07 Richard Henderson <rth@redhat.com>
965 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
966 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
968 2003-12-06 Andrew Pinski <apinski@apple.com>
970 partial PR libmudflap/12670
971 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
972 * mf-hooks2.c: Likewise.
973 * mf-hooks3.c: Likewise.
975 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
977 libstdc++/11696
978 * mf-runtime.h.in: Switch to #pragma redefine_extname for
979 symbols interposed at compile time.
980 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
982 libmudflap/12939
983 * mf-hooks2.c (semctl): Tolerate FreeBSD.
985 * configure.in: Reorganize check for <pthread.h>.
986 * configure: Regenerated.
988 2003-11-04 David Edelsohn <edelsohn@gnu.org>
990 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
991 (_LARGE_FILE_API): Define for AIX.
992 * mf-hooks[123]: Same.
993 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
995 2003-10-21 David Edelsohn <edelsohn@gnu.org>
997 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
999 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
1001 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1003 * configure.in: Update check for union semun.
1005 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1007 PR other/11673
1008 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
1010 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
1012 PR other/11673
1013 * configure.in: Add checks for 64-bit LFS functions, struct semun
1014 definition, for BSD compatibility.
1015 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
1016 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
1017 * mf-hooks3.c: Ditto.
1018 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
1019 mmap flag.
1020 * configure, config.h.in: Regenerated.
1022 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
1024 Multithreading fixes:
1025 * mf-runtime.c (__mf_object): Store allocating/deallocating
1026 thread id.
1027 (options): Support new "-thread-stack" option.
1028 Rename "-heur-argv-environ" option to "-heur-stdlib".
1029 Disable "-lc-mask" and "-lc-shift" options.
1030 (__mf_dynamic): Add function pointers for pthread_join/_exit.
1031 (__assert_fail): New self-contained function for glibc.
1032 * mf-hooks3.c: Essentially rewritten, particularly related to
1033 use of __mf_pthread_info array.
1034 (pthread_join, _exit): New hook functions.
1035 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
1036 * testsuite/libmudflap.cth/pass40-frag.c: New test.
1038 Warning cleanups:
1039 * mf-heuristics.c: Add type casts for tracing, sub calls.
1040 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
1041 Update all callers to declare explicit result holder.
1042 (END_PROTECT): Removed.
1043 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
1045 2003-07-15 Diego Novillo <dnovillo@redhat.com>
1047 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
1048 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1049 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1051 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
1053 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
1054 * mf-hooks: Removed.
1055 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
1056 Move these macros from old mf-hooks.c here.
1057 * Makefile.am: Adapt to split-up hook sources for faster builds.
1058 * Makefile.in: Regenerated.
1060 * mf-heuristics.c: Remove #if-0 block.
1062 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
1063 (__mf_starting_p): New state only for use while dlsym bootstrapping.
1064 (CALL_REAL, __mf_init): Corresponding changes.
1065 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
1066 all callers to remove redundant "mf:" prefix.
1067 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
1068 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
1069 (__mf_pthread_info): Become a hash table.
1071 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
1072 "dg-repetitions" directives to control test case execution.
1073 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
1074 options.
1075 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
1077 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
1079 * mf-hooks.c (alloca): Separate into stub.
1080 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
1081 malloc/free for alloca blocks.
1082 (pthread_create): Tolerate failing pthread_attr_get* calls.
1083 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
1084 * mf-impl.h (CALL_WRAP): Remove macro.
1085 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
1086 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
1087 padding for ia64 BIT_FIELD_REF constructs.
1089 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
1091 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
1092 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
1093 libmudflap object type.
1094 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
1095 crashes on unregistering STATIC objects.
1097 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
1099 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
1100 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
1101 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
1102 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
1103 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
1104 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
1105 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
1106 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
1107 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
1108 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
1109 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
1110 (accept, bind, connect, gethostname, sethostname): New hooks.
1111 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
1112 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
1113 (semop, semctl, shmctl, shmat, shmdt): New hooks.
1114 * mf-runtime.h.in: Corresponding changes.
1115 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
1116 (opts) Rename heur_argv_environ to heur_std_data.
1117 (__mf_wrap_main): Use STATIC type for argv/environ strings.
1118 * Makefile.am: Corresponding changes.
1119 * Makefile.in: Regenerated.
1121 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
1123 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
1124 heuristic for threaded case, and for non-x86-linux targets.
1125 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
1126 for use during pre-main() program startup.
1127 (__mf_0fn_*): Make these functions non-static.
1128 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
1129 functions.
1130 * mf-runtime.c (__mf_state): Set initial state to "starting".
1131 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
1132 (__wrap_main): New function to register argv[] and environ[] strings.
1133 (__mf_ini): Call it.
1134 (*): In all trace functions, use "%p" as formatter for uintptr_t.
1136 * testsuite/libmudflap.c/pass38-frag.c: New test case.
1137 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
1139 * acinclude.m4: Add comments with aoliva's concerns about x86_64
1140 pass_all.
1141 * aclocal.m4, configure: Regenerated.
1143 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
1145 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
1146 * aclocal.m4, configure: Regenerated.
1148 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
1150 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
1151 for x86_64 target. Disable caching for this value.
1152 * aclocal.m4, configure: Regenerated.
1154 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
1156 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
1157 is about to become deprecated, and its present handling bugs are
1158 unworthy of fixing.
1160 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
1162 * testsuite/libmudflap.c/pass38-frag.c: New test for
1163 -fwritable-strings.
1165 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1167 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
1168 __mf_report, asserting reentrant calling context.
1170 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1172 * mf-hooks.c (realloc): Correct reentrancy logic.
1173 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
1175 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
1177 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
1178 PTHREAD_THREADS_MAX. Update users.
1179 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
1180 for active options.
1181 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
1182 with libmudflapth presence indicator.
1183 * testsuite/Makefile.in: Regenerated.
1185 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
1187 * Makefile.am (AM_CFLAGS): Remove "-ansi".
1188 * configure.in: Remove silly no-pthreads => no-shared logic.
1189 * Makefile.in, configure: Regenerated.
1190 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
1191 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
1192 code. Count reentrancy events.
1193 (all hook functions): Don't directly manipulate __mf_state variable.
1194 Add TRACE calls to hook functions without them.
1195 * mf-impl.h (LOCKTH): Try to count lock contention events.
1196 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
1197 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
1198 Reorganize reentrancy code.
1199 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
1200 identify reentrancy with mutex holding times.
1201 (internal __mfu_ entry points): Remove internal reentrancy code.
1202 (__mf_init): Use ordinary locked calls.
1203 (__mfu_report): Print the two new counts.
1204 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
1205 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
1206 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
1207 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
1208 option defaults.
1210 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
1212 * configure.in: Add pthread support, plus glibc and porting hacks.
1213 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
1214 from objects built into ./pth/.
1215 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
1216 functions for internal entry points. Update callers to pick
1217 locked vs. unlocked variants.
1218 (__mf_resolve_single_dynamic): Extend to support symbol versioning
1219 info coming in from a static data structure.
1220 (*): Reorder miscellaneous declarations to group data vs functions.
1221 (__mf_set_default_options): Simplify.
1222 (__mf_usage): Mention threading status of host executable.
1223 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
1224 decls to match above.
1225 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
1226 * mf-heuristics.c: Choose between locked/unlocked calls. Add
1227 some lock/unlock markers. Remove some unused code.
1228 * mf-hooks: Ditto.
1229 (pthread_create): New hook function.
1230 (__mf_pthread_cleanup, _spawner): New helper functions.
1231 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
1233 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
1235 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
1237 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
1239 * Makefile.am (HOOKOBJS): Add *time related hooks.
1240 * configure.in: Look for pthreads.h header.
1241 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
1242 * mf-runtime.c: Begin sketching some pthreads support.
1243 (__mf_usage): Check for -lpthread presence.
1244 (__mf_unregister): Confirm matching unregistration base.
1245 (__mf_find_objects_rec): Reduce unnecessary recursion.
1246 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
1247 #defines for new hook functions.
1248 * mf-impl.h: Corresponding changes.
1249 * config.h.in, configure, Makefile.in: Regenerated.
1251 2002-04-27 Diego Novillo <dnovillo@redhat.com>
1253 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
1254 modifiers to prevent being optimized away.
1255 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
1256 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1257 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
1258 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1259 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
1260 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
1261 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
1263 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1265 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1266 * configure.in: Look for uintptr_t and -ldl on target.
1267 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1268 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1269 * testsuite/Makefile.in: Regenerated.
1270 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1271 for better C compliance.
1273 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1275 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1276 prevention code.
1277 * mf-runtime.c (__mf_set_default_options): Turn off
1278 check-initialization.
1279 (__mf_describe_object): Shorten description.
1280 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1282 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
1284 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1286 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
1288 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1289 calls specially.
1290 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1291 * mf-impl.h (CALL_BACKUP): New macros.
1292 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1294 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
1296 * Makefile.am (AM_CFLAGS): Remove optimization flags.
1297 (HOOKOBJS): Remove dlopen hook.
1298 (libmudflap_la_LIBADD): Add -ldl.
1299 * mf-hooks.c (dlopen): Remove hook.
1300 * mf-impl.h (__mf_dynamic): Ditto.
1301 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1302 * Makefile.in: Regenerated.
1304 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
1306 * configure.in: Check for target gettimeofday, signal, some headers.
1307 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
1308 out inop multi_threaded field.
1309 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1310 (__mf_set_options): Correct handling of "-help".
1311 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1312 (__mf_check, __mf_register, __mf_unregister): Call it.
1313 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1314 (__mf_report_leaks): Make callable
1315 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
1316 distribution statistics.
1317 (__mf_adapt_cache): Rewrite shift guessing logic based on address
1318 bit distributions.
1319 * config.h.in, configure: Regenerated.
1320 * testsuite/libmudflap.c/fail27-frag.c: New test.
1321 * testsuite/libmudflap.c/pass36-frag.c: New test.
1323 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
1325 * mf-runtime.h.in: Tweak.
1326 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1327 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1328 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1330 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1332 * configure.in: Tweak generation of mf-runtime.h some more. It
1333 needs to work from both config.status and configure.
1334 * configure: Regenerated.
1336 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1338 * Makefile.am: Reorganize hook file building. Add auto dependencies.
1339 * configure.in: Tweak generation of mf-runtime.h.
1340 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1341 * mf-hooks.c (*): Adapt to initialized-heap object type.
1342 * mf-impl.h: Tweak cemetary boundaries.
1343 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1344 type.
1345 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1346 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1347 * testsuite/lib/libmudflap.exp (includes): Include build tree.
1348 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1349 checking.
1350 * testsuite/.../fail{25,26}-frag.c: New tests.
1351 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1352 * Makefile.in, configure: Regenerated.
1354 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1356 * mf-runtime.c (__mf_set_default_options): Turn on initialization
1357 checking by default.
1358 (__mf_insert_new_object): As a temporary hack, assume that new
1359 objects registered on the stack start out initialized.
1360 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1361 heap objects by hand.
1363 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1365 Switch to macro-style hooks for str*/mem*/b* functions.
1366 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1367 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1368 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1369 (__mf_set_default_options): Turn off heur_proc_map.
1370 (*): Adapt to to macro-style hook functions.
1371 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1372 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1373 (__mf_violation): Handle __MF_VIOL_WATCH.
1374 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1375 (__mf_dynamic): Removed mem*/str*/b* functions.
1376 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1377 (WRAPPER2): New macro for macro-style hooks.
1378 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1379 macro-style hooks.
1380 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1381 * mf-heuristics.c: Adapt to macro-style hook functions.
1382 Correct some comments.
1383 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1384 output pattern tests.
1385 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1386 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1388 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1390 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1391 for global array registration.
1392 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1393 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1395 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1397 * Makefile.am: Add gross make bug workarounds. Tweaked
1398 SUBDIRS and AM_CFLAGS.
1399 * Makefile.in: Regenerated.
1401 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1403 Switch to dejagnu.
1404 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1405 * Makefile.am (TESTS): Remove simple automake testing.
1406 * configure, Makefile.in: Regenerated.
1407 (SUBDIRS): Include new testsuite/ directory.
1408 * tests/*: Removed all files; moved bulk under:
1409 * testsuite/*: New subdirectory tree.
1410 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1411 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1412 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1413 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1414 * testsuite/config/default.exp: New file.
1415 * testsuite/Makefile.am, Makefile.in: New files.
1417 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1419 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1420 (TESTS): Add fail22 and pass29 tests.
1421 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1422 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1423 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1424 values. Move __MF_VIOL* here.
1425 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1426 (check_initialization): New field in __mf_opts. Default off.
1427 (read_count,write_count): New fields in __mf_object.
1428 (__mf_check): Implement basic initialization checking.
1429 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1430 (__mf_describe_object): Print new fields.
1431 (__mf_violation): Identify check/read vs. check/write in messages.
1432 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1433 "-check-initialized" mudflap option.
1434 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1435 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1436 Drop __FILE__/__LINE__ hack. Update callers.
1437 (*): Adapt to new mf-runtime.h API.
1438 * Makefile.in: regenerated.
1440 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1442 * configure.in: Build mf-runtime.h a more proper way.
1443 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1444 * mf-runtime.c (verbose_violations): Turn on by default.
1445 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1446 * mf-impl.h: ... and move it here.
1447 * configure: Regenerated.
1449 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1451 * configure.in: Look for C++ compiler.
1452 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1453 fixed type warnings when built with C++.
1454 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1455 * Makefile.am (TESTS): Run them.
1456 (*) Add new rules for building and running C++ tests.
1457 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1458 * mf-runtime.h.in: Protect with extern "C".
1459 * Makefile, configure: Regenerated.
1461 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1463 Portability improvements.
1464 * configure.in: Look for glibc backtrace headers/functions.
1465 * mf-hooks.c: Don't include <execinfo.h> any more.
1466 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1467 via CALL_REAL.
1468 (__mf_backtrace): Provide alternate baby implementation in
1469 absence of glibc.
1470 * test/mf-driver.c: Portability tweaks.
1471 * acinclude.m4: New file, containing top level libtool.m4.
1472 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1474 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1476 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1478 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1480 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1481 options.
1482 (__mf_unregister): Implement stack/heap object wiping.
1483 (__mf_set_options): Renamed from __mf_process_opts.
1484 (__mf_uncache_object): Change arg type, correct callers.
1485 * mf-impl.h: Corresponding changes.
1486 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1487 * mf-runtime.h.in (__mf_set_options): Extend public API.
1488 * test/pass26-frag.c: New test for stack wiping.
1489 * Makefile.am (TESTS): Run it.
1490 * Makefile.in: Regenerated.
1492 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1494 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1495 * mf-runtime.c (__mf_object_t): Add watching_p field.
1496 (__mf_watch_or_not): New function to implement
1497 object watch flagging.
1498 (__mf_watch, __mf_unwatch): New wrappers for above.
1499 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1500 (__mf_count_violation): Enlarge array.
1501 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1502 unlink object. Clear cache properly.
1503 (__mf_unregister): Unlink object explicitly before uncaching.
1504 * test/fail21-frag.c, pass25-frag.c: New tests.
1505 * Makefile.in, aclocal.m4: Regenerated.
1507 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1509 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1510 * Makefile.am (TESTS): Add it.
1511 * test/pass-stratcliff.c: Add decls of stpcpy.
1512 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1513 build tree from config.h and new file mf-runtime.h.in.
1514 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1515 * Makefile.in, configure, config.h.in: Regenerated.
1516 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1517 * mf-runtime.c (options, __mf_set_default_options): Support new
1518 default "abbreviate" option.
1519 (__mf_object.description_epoch): New field.
1520 (__mf_describe_object): Conditionally abbreviate objects already
1521 displayed in current epoch. Accept NULL input to increment epoch.
1522 (__mf_fini, __mf_ini): Reset description epoch.
1523 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1524 that NULL pointer slot in lookup cache is invalidated. Register a
1525 NOACCESS region around NULL.
1526 * mf-impl.h: Corresponding changes.
1528 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1530 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1531 * Makefile.am: Run them. Install mf-runtime.h.
1532 * Makefile.in: Regenerated.
1533 * mf-hooks.c: Add some markers for more missing functions.
1534 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1535 statistic to tune tune cache size (mask).
1537 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1539 * test/pass23-frag.c: New test for bit_field_ref expressions.
1540 * Makefile.am, Makefile.in: Add new test.
1541 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1542 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1543 * mf-runtime.c (__mf_init): Register errno global.
1544 (__mf_find_object): Removed function.
1545 (__mf_check): Rewrite logic to support accesses across some
1546 contiguous but distinctly registered objects.
1547 (__mf_remove_old_object): Tolerate cache entries that span
1548 contiguous objects.
1550 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1552 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1553 * Makefile.am, Makefile.in: Run new tests.
1554 * mf-hooks.c (alloca): Correct stack direction logic.
1556 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1558 * mf-impl.h (adapt_cache): New option.
1559 * mf-runtime.c (__mf_set_default_options): Set its default value.
1560 Tweak the tree_aging parameter down.
1561 (__mf_check): Maintain separate counter for cache-adaptation.
1562 (__mf_tree_analyze): New function to collect object tree stats.
1563 (__mf_adapt_cache): New function to automate cache parameters.
1565 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1567 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1568 hypothetical #if-0'd argv/envp region registration.
1569 * mf-runtime.c (__mf_init): Add kludged form of above.
1570 (*) Add "heur_argv_environ" flag, default on, to govern this.
1571 * mf-impl.h: Corresponding changes.
1573 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1575 * test/fail18-frag.c: New test file for NOACCESS regions.
1576 * Makefile.am (TESTS): Add new test.
1577 * Makefile.in: Regenerated.
1579 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1580 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1581 (optimize_object_tree): Remove unused mudflap_option.
1582 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1583 support throughout. Use .._MAX_CEM for cemetary upper bound.
1584 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1585 regions.
1586 (__mf_object): Add new liveness field for use by tree aging.
1587 (__mf_check): Trigger tree aging when needed.
1588 (__mf_age_tree): New function to decay liveness field.
1589 (__mf_find_objects_rec): Use liveness field to rotate tree.
1590 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1591 (__mf_unregister): Ditto.
1592 (__mf_register): Tweak duplicate-static message.
1593 (__mf_violation: Tweak nearby-object counter printing.
1595 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1597 * test/pass20-frag.c: New test file.
1598 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1599 * Makefile.in: Regenerated.
1601 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1602 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1603 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1604 entries to avoid repeat registration.
1605 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1606 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1608 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1610 * Makefile.am: Create test sources with #include, not cat>>.
1611 * Makefile.in: Regenerated.
1612 * test/buildtest.sh: Removed.
1613 * test/driver.c (abort_handler, main): Be quiet.
1615 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1617 * test/pass18-frag.c, pass19-frag.c: New tests.
1618 * Makefile.am (check): Run them. Rebuild test programs each time.
1619 * Makefile.in: Regenerated.
1621 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1623 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1624 overlapping object search.
1625 (__mf_violation): Likewise for nearby objects.
1626 Improve nearby-object listing.
1628 cleanup:
1629 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1630 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1632 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1634 alloca support:
1635 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1636 (HOOKOBJS): Add alloca-hook.o.
1637 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1638 style.
1639 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1640 (__mf_backtrace): Reimplement without using alloca.
1641 * Makefile.in: Regenerated.
1643 cleanup:
1644 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1645 Correct signedness bugs in length-tracking variables.
1646 * mf-impl.h: Make options unsigned.
1647 (CALL_WRAP): New macro to parallel CALL_REAL().
1648 (DECLARE): Remove erroneous ";" at end.
1649 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1650 formatting specs with %08lx. Correct several compiler warnings.
1652 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1654 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1656 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1658 libmudflap hook breakup:
1659 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1660 for libgcc_s.
1661 (TESTS): Make dependent on libmudflap.
1662 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1663 compiled from segments of mf-hooks.c.
1664 * mf-hooks.c: Corresponding changes: wrap each function in
1665 #ifdef/#endif.
1666 * Makefile.in: Regenerated.
1668 Heuristics reorganization:
1669 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1670 Remove these functions. Update callers.
1671 (__mf_heuristic_check): Incorporate all the various heuristics.
1672 Encode cacheability/retry judgement into trinary return value.
1673 Separate start-end logic into a separate fallback heuristic. Only
1674 register relevant /proc/self/map segments.
1675 * mf-impl.h: Corresponding changes.
1676 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1677 (__mf_init): Don't call __mf_init_heuristics.
1679 Tracing cleanup:
1680 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1681 "-verbose-trace" to emit all tracing messages other than those of
1682 basic public api. Eliminate some duplicate/excessive messages.
1683 * mf-runtime.h: Corresponding changes.
1685 2002-08-27 Graydon Hoare <graydon@redhat.com>
1687 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1688 and __real when compiled with -DPIC.
1689 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1690 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1691 * Makefile.in: Regenerate.
1693 2002-08-26 Graydon Hoare <graydon@redhat.com>
1695 * mf-impl.h: New file, private implementation header.
1696 * mf-runtime.h: Reorganize a bit.
1697 (CLAMPSZ): Fix arithmetic.
1698 (__MF_CACHE_MISS_P): Fix arithmetic.
1699 * mf-runtime.c: Reorganize a bit.
1700 (__mf_dynamic): New structure.
1701 (resolve_single_dynamic): New function.
1702 (__mf_resolve_dynamics): New function.
1703 (__mf_init): Initialize dynamic wrappers.
1704 * mf-hooks.c: Macro-ize __real calls.
1705 Clamp various bits of arithmetic.
1706 Add explicit __mf_check call contexts.
1707 * Makefile.am: Add dependencies on mf-impl.h
1708 * Makefile.in: Regenerate.
1709 * configure.in: Comment out shared override.
1710 * configure: Regenerate.
1712 2002-08-22 Graydon Hoare <graydon@redhat.com>
1714 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1715 (__mf_check): Re-inialize and check heuristics before violation.
1716 (__mf_register): Permit updating pure-guess regions.
1717 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1718 (__wrap_dlopen): New wrapper function.
1719 (__wrap_mmap): New wrapper function.
1720 (__wrap_munmap): New wrapper function.
1721 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1722 which are not stack addresses.
1723 (is_stack_address): New function.
1724 (__mf_init_heuristics): Save and restore state, always initialize with
1725 "starting" state.
1727 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1729 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1730 error. Pass location string.
1731 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1732 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1733 (__mf_process_opts): Apply some sanity checking for lc-mask.
1734 (__mf_check, __mf_violation): Take new location-string argument.
1735 Update callers to pass NULL if necessary.
1736 (__mf_backtrace): New smart backtracer function. Calls replace
1737 several ad-hoc blocks elsewhere.
1738 (__mf_describe_object): Remove bad reentrancy test. Improve
1739 tracing message.
1740 * mf-runtime.h: Corresponding changes. Public/private markup.
1741 (__MF_CACHE_MISS_P): New macro.
1743 2002-08-20 Graydon Hoare <graydon@redhat.com>
1745 * mf-runtime.h: New option: stack_bound (heuristic).
1746 Move some macros out of implementation files.
1747 * mf-runtime.c: New option string: -stack-bound.
1748 Unify recursion protection with hooks.
1749 Add more logging.
1750 (__mf_check): Call __mf_heuristic_check.
1751 (__mf_process_opts): Fix "no-" processing.
1752 * mf-heuristics.c (__mf_heuristic_check): New function.
1753 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1755 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1757 Option parsing improvements, region splitting bug fixes:
1758 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1759 * mf-runtime.h (heur_proc_map): New libmudflap option.
1760 * mf-runtime.c (__mf_set_default_options): Set it.
1761 (__mf_usage): Print default values/status.
1762 (__mf_process_opts): Support general "no-" option string prefix.
1763 (__mf_init): Print __mf_usage on unknown-option error.
1764 (__mf_register): Print trace message up front.
1765 Correct region splitting logic for case where a subregion disappears.
1766 Correct memory leak.
1767 (__mf_violation): Make even basic message conditional on option.
1769 Build cleanup:
1770 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1771 (clean-local): New target.
1772 (test/*x rules): Add -g CFLAGS.
1773 (CFLAGS): Add -freorder-blocks.
1774 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1775 * Makefile.in: Regenerated.
1776 * Makefile, mf-config.h: Removed files.
1778 2002-08-16 Graydon Hoare <graydon@redhat.com>
1780 * mf-runtime.c (__mf_insert_new_object): Factor out of
1781 __mf_register.
1782 (__mf_remove_old_object): Factor out of __mf_unregister.
1783 (__mf_register): Handle guessed regions, splitting
1784 guesses when new registrations arrive.
1785 (__mf_unregister): Do not unregister guesses.
1786 * mf-runtime.h: Move convenience macros around,
1787 declare new option fields. Add __MF_TYPE_GUESS.
1788 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1789 (__wrap_free): Call __real_free for deferred frees.
1790 * Makefile.am: Add more tests, fix dependency.
1791 * Makefile.in: Regenerate.
1792 * test/pass[13..17]-frag.c: New testcases.
1793 * test/fail[13..17]-frag.c: New testcases.
1795 2002-08-15 Graydon Hoare <graydon@redhat.com>
1797 * mf-heuristics.c: New file.
1798 * mf-runtime.c (options): Add -trace-calls option.
1799 (__mf_init): Call __mf_init_heuristics.
1801 2002-08-14 Graydon Hoare <graydon@redhat.com>
1803 * Makefile.am (TESTS): Add testsuite support.
1804 * Makefile.in: Regenerate.
1805 * test/mf-driver.c: New file.
1806 * test/buildtest.sh: New file.
1807 * test/passNN-frag.c: New testcases.
1808 * test/failNN-frag.c: New testcases.
1810 2002-08-14 Graydon Hoare <graydon@redhat.com>
1812 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1813 verifying non-size-limited string extents.
1815 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1817 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1818 instead of plain str[n]len for internal checks.
1819 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1821 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1823 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1825 2002-08-13 Graydon Hoare <graydon@redhat.com>
1827 * mf-runtime.c: Rework configuration to operate on
1828 environment variable options rather than #defines
1829 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1830 (__mf_init): Set static __mf_active_p flag on startup,
1831 to inhibit mudflap wrap-based checking during crt0.s.
1832 * mf-runtime.h: Declare options structure.
1833 * mf-hooks.c: New wrappings for mem*, b*, str*
1834 libc functions (temporarily #if 0-ed out).
1836 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1838 * Makefile.am, configure.in: New files.
1839 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1840 * stamp-h.in, aclocal.m4: Ditto.
1842 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1844 * Makefile: New file.
1845 * mf-config.h: New file: runtime configuration.
1846 * mf-hooks.c: New file: interposed libc functions.
1847 * mf-runtime.c: New file: bulk of runtime.
1848 * mf-runtime.h: New file: public functions.