| blob | 5b69ba5caaeedf19a21747f2916bf9cf679265af |
1 2009-03-31 Ben Elliston <bje@au.ibm.com>
3 PR libmudflap/38462
4 * testsuite/libmudflap.c/fail27-frag.c: Match `mudflap dead
5 object', not `mudflap object'.
7 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
9 * configure: Regenerate.
11 2009-02-03 Jakub Jelinek <jakub@redhat.com>
13 * mf-runtime.c (__mf_usage): Update copyright notice dates.
15 2009-01-23 Jie Zhang <jie.zhang@analog.com>
17 * mf-impl.h (__mf_get_state, __mf_set_state): Don't use
18 __thread when TLS support is emulated.
19 * mf-hooks3.c (__mf_get_state, __mf_set_state): Likewise.
20 * mf-runtime.c (__mf_state_1): Likewise.
21 * configure.ac: Use GCC_CHECK_EMUTLS.
22 * configure: Regenerate.
23 * config.h.in: Regenerate.
25 2008-12-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
27 * configure: Regenerate.
29 2008-11-26 Janis Johnson <janis187@us.ibm.com>
31 PR testsuite/28870
32 * testsuite/lib/mfdg.exp (dg-test): Use new timeout support.
33 (dg-timeout): Remove.
34 (standard-wait): Remove.
35 * testsuite/lib/libmudflap.exp: Include new timeout library files.
36 (libmudflap_target_compile): Set timeout value from new proc.
38 2008-11-10 Jakub Jelinek <jakub@redhat.com>
40 PR middle-end/35314
41 * testsuite/libmudflap.c/pass67-frag.c: New test.
43 2008-10-09 Jakub Jelinek <jakub@redhat.com>
45 PR c++/37568
46 * testsuite/libmudflap.c++/pass66-frag.cxx: New test.
48 2008-09-26 Peter O'Gorman <pogma@thewrittenword.com>
49 Steve Ellcey <sje@cup.hp.com>
51 * configure: Regenerate for new libtool.
52 * Makefile.in: Ditto.
53 * testsuite/Makefile.in: Ditto.
55 2008-09-15 Jakub Jelinek <jakub@redhat.com>
57 PR libmudflap/36397
58 * testsuite/libmudflap.c/pass64-frag.c: New test.
60 2008-06-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
62 * Makefile.in: Regenerate.
63 * config.h.in: Regenerate.
64 * configure: Regenerate.
65 * testsuite/Makefile.in: Regenerate.
67 2008-04-18 Paolo Bonzini <bonzini@gnu.org>
69 PR bootstrap/35457
70 * aclocal.m4: Regenerate.
71 * configure: Regenerate.
73 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
75 * testsuite/libmudflap.c/pass63-frag.c: New test.
77 2008-03-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
79 * aclocal.m4: Regenerate.
80 * configure: Likewise.
81 * Makefile.in: Likewise.
82 * testsuite/Makefile.in: Likewise.
84 2008-03-02 Jakub Jelinek <jakub@redhat.com>
86 * mf-runtime.c (__mf_usage): Update copyright notice dates.
88 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
90 * testsuite/libmudflap.c/fail8-frag.c: Adjust scan pattern for
91 mudflap dead object.
92 * testsuite/libmudflap.c/fail9-frag.c: Ditto.
94 2008-01-24 David Edelsohn <edelsohn@gnu.org>
96 * configure: Regenerate.
98 2008-01-05 Jakub Jelinek <jakub@redhat.com>
100 PR tree-optimization/34618
101 * testsuite/libmudflap.c/pass62-frag.c: New test.
103 2008-01-03 Jakub Jelinek <jakub@redhat.com>
105 PR c++/34619
106 * testsuite/libmudflap.c++/pass61-frag.cxx: New test.
108 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
110 PR libmudflap/26442
111 * testsuite/libmudflap.c++/pass60-frag.cxx: New test.
113 2007-10-15 Maciej W. Rozycki <macro@linux-mips.org>
115 * configure: Regenerate following changes to ../config/tls.m4.
117 2007-07-26 Tom Tromey <tromey@redhat.com>
119 * Makefile.in: Rebuilt.
120 * Makefile.am (clean-local): Removed.
121 (pth/mf-runtime.lo, pth/mf-heuristics.lo, pth/mf-hooks1.lo,
122 pth/mf-hooks2.lo, pth/mf-hooks3.lo): Likewise.
123 (libmudflapth_la_SOURCES): List sources.
124 (libmudflapth_la_LIBADD): Clear.
125 (libmudflapth_la_CFLAGS): New variable.
127 2007-07-05 H.J. Lu <hongjiu.lu@intel.com>
129 * aclocal.m4: Regenerated.
131 2007-06-02 Paolo Bonzini <bonzini@gnu.org>
133 * configure: Regenerate.
135 2007-05-31 Frank Ch. Eigler <fche@redhat.com>
137 From Andi Kleen <ak@suse.de>:
138 * mf-runtime.c (options): Rename structure for compatibility with
139 glibc getopt_long.
141 2007-05-23 Steve Ellcey <sje@cup.hp.com>
143 * Makefile.in: Regenerate.
144 * configure: Regenerate.
145 * aclocal.m4: Regenerate.
146 * testsuite/Makefile.in: Regenerate.
148 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
150 * testsuite/libmudflap.cth/pass59-frag.c (main): Fix casting of arg.
152 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
154 * Makefile.am: Add dummy install-pdf target.
155 * Makefile.in: Regenerate
157 2007-02-07 Jakub Jelinek <jakub@redhat.com>
159 PR libgomp/28468
160 * configure: Regenerate.
162 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
164 * configure: Regenerate.
166 2006-11-13 Daniel Jacobowitz <dan@codesourcery.com>
168 * configure: Regenerated.
170 2006-11-10 Frank Ch. Eigler <fche@redhat.com>
172 PR libmudflap/28578
173 * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
174 static but not function scope static.
175 (free): Skip deallocation attempts for objects placed into
176 bootstrap buffers.
177 * testsuite/libmudflap.cth/pass59-frag.c: New test.
179 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
181 From Herman ten Brugge <hermantenbrugge@home.nl>:
182 * mf-runtime.c (__mf_uncache_object): Optimize the code so that
183 small and large objects are handled a lot faster.
185 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
187 * configure.ac (__libc_freeres): Look for it.
188 * mf-impl.h (call_libc_freeres): New configuration flag.
189 * mf-runtime.c (__mf_set_default_options): Set it by default.
190 (__mfu_report): Call it if needed.
191 (__mfu_unregister): Remove "unaccessed registered object" warning.
192 * configure, config.h.in: Regenerated.
194 2006-09-18 Tom Tromey <tromey@redhat.com>
196 * configure: Rebuilt.
198 2006-06-21 Frank Ch. Eigler <fche@redhat.com>
200 PR 21274
201 mf-runtime.h installation based on ssp patch for PR 26473 from
202 Mark Mitchell <mark@codesourcery.com>.
203 * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
204 * Makefile.am (target_noncanonical): Define.
205 (libsubincludedir): New variable.
206 (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
207 (include_HEADERS): Remove.
208 * configure, aclocal.m4, config.h.in: Regenerated.
209 * Makefile.in, testsuite/Makefile.in: Likewise.
210 * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
211 and _THREAD_SAFE redefinition values.
213 2006-05-23 Carlos O'Donell <carlos@codesourcery.com>
215 * Makefile.am: Add install-html target. Add install-html to .PHONY
216 * Makefile.in: Regenerate.
218 2006-04-19 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
220 PR mudflap/26789
221 * testsuite/libmudflap.c++/error1-frag.cxx: New test.
223 PR mudflap/26790
224 * testsuite/libmudflap.c++/error2-frag.cxx: New test.
226 2006-04-10 Matthias Klose <doko@debian.org>
228 * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
229 directory names containing underscores.
231 2005-11-22 Janis Johnson <janis187@us.ibm.com>
233 * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
234 MUDFLAP_FLAGS if static library not supported.
235 * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
236 * testsuite/libmudflap.c/externs.exp: Ditto.
237 * testsuite/libmudflap.c++/ctors.exp: Ditto.
238 * testsuite/libmudflap.c++/c++frags.exp: Ditto.
239 * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
241 2005-10-04 James E Wilson <wilson@specifix.com>
243 * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
244 $name as array of characters with unknown bound. Also store into the
245 array.
246 * configure: Regenerate.
248 2005-09-30 James E. Wilson <wilson@specifix.com>
250 * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
251 AC_CHECK_HEADER.
252 (target_thread_file): New. Set from sed'ed gcc output.
253 (posix_threads): New. Set from target_thread_file. Use instead of
254 ac_have_pthread_h.
255 (pthread_create_version): Move initialization before code using it.
256 * configure: Regenerate.
258 * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
259 bounds.
261 2005-09-29 James E. Wilson <wilson@specifix.com>
263 * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
264 with HAVE_MMAP ifdef.
266 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
268 PR 23084.
269 * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
271 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
273 * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
275 2005-09-23 Tom Tromey <tromey@redhat.com>
277 * aclocal.m4, configure: Rebuilt.
278 * configure.ac: Use GCC_CHECK_TLS.
279 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
280 to ../config.
282 2005-08-22 Jim Wilson <wilson@specifix.com>
284 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
285 __FreeBSD__ is defined.
287 2005-08-17 Jim Wilson <wilson@specifix.com>
289 * mf-hooks1.c (malloc, calloc, realloc, free,
290 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
291 the real routines, and END_MALLOC_PROTECT afterwards.
292 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
293 (BEGIN_PROTECT): Handle in_malloc state.
294 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
295 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
297 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
299 * All files: Update FSF address.
301 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
303 * mf-hooks3.c (main_seen_p): Remove.
304 (__mf_get_state): Remove attempt to recognize the main thread.
306 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
308 * configure.ac: Test for the name of the symbol used for the entry
309 point; define ENTRY_POINT to the result.
310 * configure: Regenerate.
311 * config.h.in: Regenerate.
312 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
314 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
316 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
317 (__mf_init): Set thread state active.
318 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
319 state active.
320 (pthread_create wrapper): Always use thread spawner.
322 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
323 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
325 2005-07-16 Richard Henderson <rth@redhat.com>
327 * acinclude.m4: New file.
328 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
329 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
330 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
331 (__mf_0fn_calloc): ... here.
332 * mf-hooks3.c (struct pthread_info): Remove.
333 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
334 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
335 (struct mf_thread_data): New.
336 (mf_thread_data, mf_thread_data_lock): New.
337 (__mf_allocate_blank_threadinfo): Remove.
338 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
339 not available.
340 (__mf_state_perthread): Remove.
341 (__mf_get_state, __mf_set_state): New.
342 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
343 Update mf_thread_data killing procedure.
344 (__mf_pthread_spawner): Similarly.
345 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
346 code to allocate thread stack space.
347 (__mf_0fn_pthread_join, pthread_join): Remove.
348 (__mf_0fn_pthread_exit, pthread_exit): Remove.
349 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
350 (__mf_state_1): Rename from __mf_state; use TLS when available.
351 (__mf_get_state, __mf_set_state): New. Update all users.
352 * mf-runtime.c (begin_recursion_protect1): New.
353 (BEGIN_RECURSION_PROTECT): Use it.
354 (__mf_state_1): Rename from __mf_state; use TLS when available.
355 (threads_active_p): Remove.
356 (__mf_usage): Compute it directly.
358 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
360 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
362 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
364 Fix for uncaching bug reported by Herman ten Brugge.
365 * mf-runtime.c (__mf_uncache_object): Search whole cache.
366 * testsuite/libmudflap.c/fail40-frag.c: New test.
368 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
370 PR libmudflap/21724
371 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
372 * Makefile.in: Amend.
374 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
376 PR mudflap/21023
377 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
378 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
380 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
382 PR libmudflap/21094
383 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
385 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
387 PR mudflap/22064
388 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
389 unsigned vars with #defines instead of enums.
391 2005-05-09 Mike Stump <mrs@apple.com>
393 * configure: Regenerate.
395 2005-04-12 Mike Stump <mrs@apple.com>
397 * configure: Regenerate.
399 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
401 PR mudflap/19266
402 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
403 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
405 2005-04-04 Alan Modra <amodra@bigpond.net.au>
407 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
409 2005-03-31 Mike Stump <mrs@apple.com>
411 * mf-runtime.h: Add libmudflap copyright clause.
413 2005-03-21 Mike Stump <mrs@apple.com>
415 * mf-heuristics.c: Fix whitespace at end of line.
416 * mf-hooks1.c: Likewise.
417 * mf-hooks2.c: Likewise.
418 * mf-hooks3.c: Likewise.
419 * mf-impl.h: Likewise.
420 * mf-runtime.c: Likewise.
421 * mf-runtime.h: Likewise.
423 2005-03-21 Zack Weinberg <zack@codesourcery.com>
425 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
426 In all substitutions, expand gcc_version in Makefile.
427 * aclocal.m4, configure: Regenerate.
428 * Makefile.am: Set gcc_version.
429 * Makefile.in, testsuite/Makefile.in: Regenerate.
431 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
433 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
434 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
436 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
438 PR mudflap/19319
439 * testsuite/libmudflap.c++/pass55-frag.c: New test.
441 2005-01-05 Richard Henderson <rth@redhat.com>
443 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
445 2005-01-02 Greg McGary <greg@mcgary.org>
447 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
448 * mf-runtime.h: New file, replaces mf-runtime.h.in.
449 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
450 * Makefile.in: Ditto.
451 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
452 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
453 * testsuite/libmudflap.c/fail36-frag.c: New test.
454 * testsuite/libmudflap.c/fail37-frag.c: New test.
455 * testsuite/libmudflap.c/fail38-frag.c: New test.
457 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
459 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
460 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
462 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
464 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
465 * aclocal.m4: Include ../config/gcc-version.m4.
466 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
468 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
470 * Makefile.am: Define ACLOCAL_AMFLAGS.
471 * acinclude.m4: Remove.
472 * stamp-h.in: Remove superfluous stamp file.
473 * aclocal.m4, configure, Makefile.in: Regenerate.
474 * testsuite/Makefile.in: Likewise.
476 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
478 * Makefile.am: Revert previous.
479 * acinclude.m4: Restore.
480 * aclocal.m4, configure, Makefile.in: Regenerate.
481 * testsuite/Makefile.in: Likewise.
483 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
485 * Makefile.am: Define ACLOCAL_AMFLAGS.
486 * acinclude.m4: Remove.
487 * aclocal.m4, configure, Makefile.in: Regenerate.
488 * testsuite/Makefile.in: Likewise.
490 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
492 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
494 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
496 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
497 * testsuite/Makefile.in: Likewise.
499 2004-11-01 Andreas Schwab <schwab@suse.de>
501 * configure.ac: (target_alias): Default to $host_alias, not
502 $target.
503 * configure: Regenerated.
505 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
507 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
508 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
509 message.
511 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
513 PR other/18138
514 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
516 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
518 * configure.ac: Check for more headers, functions.
519 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
520 tracking overridden FILE buffers.
521 (fopen, setvbuf): New/revised hook functions for buffer overriding.
522 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
523 (fflush): Accept given NULL stream (means "all streams").
524 * mf-runtime.h.in:
525 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
526 HEAP/GUESS objects.
527 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
528 (__mf_adapt_cache): Use them all.
529 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
530 * testsuite/libmudflap.c++/ctors.exp: Ditto.
531 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
532 * configure, config.h.in: Regenerated.
534 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
536 * configure.ac: Checking for sys/socket.h once is enough.
537 * configure: Regenerated.
539 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
541 * configure.ac: Look for more headers & functions.
542 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
543 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
544 * mf-runtime.c (options): Clean up integer signedness warnings.
545 (main): Add a declaration to fix a warning.
546 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
547 * configure, config.h.in: Regenerated.
549 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
551 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
552 New tests for proper base/limit checking for aggregates.
554 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
556 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
558 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
560 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
561 * mf-hooks2.c (strerror): Unregister previous string returned by
562 previous strerror.
563 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
564 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
565 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
566 * mf-runtime.c (__mf_describe_object): Clarify object life status.
567 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
568 New tests.
569 * configure, config.h.in: Regenerated.
571 2004-08-03 Dale Johannesen <dalej@apple.com>
573 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
575 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
577 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
578 simplified contents in all former callers.
580 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
582 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
583 the statically linked case.
585 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
587 * splay-tree.[ch]: Remove. Merge contents into ...
588 * mf-runtime.c: ... here, renaming symbols and making all functions
589 static. Remove unused min/max functions.
590 * Makefile.am: Forget about splay-tree.[ch].
591 * Makefile.in, testsuite/Makefile.in: Regenerated.
593 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
595 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
596 (__mfu_usage): Include (C) 2004.
597 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
598 here. Include a comment explaining why.
600 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
602 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
603 * mf-runtime.c (options): Give them a name.
604 (__mf_set_default_options): Set them.
605 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
606 (__mf_violation): Warning cleanup.
607 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
608 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
610 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
612 g++/15861
613 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
614 repeated invocation.
616 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
618 Test case for g++/15861
619 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
620 * testsuite/libmudflap.c++/ctors.exp: Driver.
621 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
622 Look only for *frag* test cases.
624 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
626 ANSI C conversion, libmudflap specialization, recursion limiting.
627 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
628 argument and indirection function pointers, update callers.
629 (splay_tree_s): Add statistics and recursion control fields
630 num_keys, max_depth, depth, rebalance_p.
631 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
632 Back out of search if it exceeds limit.
633 (splay_tree_splay): Manage recursion limiting with rebalancing as
634 needed.
635 (splay_tree_new): More initialization.
636 (splay_tree_rebalance): New function.
637 (splay_tree_foreach): Rewrite using nonrecursive logic.
638 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
639 Remove. Point indirect calls to mf-runtime.c's routines.
640 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
641 functions.
642 (splay_tree_delete, splay_tree_delete_helper): Ditto.
643 * testsuite/heap-scalestress.c: New test based on one from
644 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
646 2004-07-05 Matthias Klose <doko@debian.org>
648 * libtool-version: New.
649 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
650 Use -version-info for soname.
651 * Makefile.in: Regenerate.
652 * configure.ac: Remove libtool_VERSION macro
653 * configure: Regenerate
655 2004-07-05 Zack Weinberg <zack@codesourcery.com>
657 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
658 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
659 #ifndef _MUDFLAP.
661 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
663 Splay tree implementation fork.
664 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
665 Use hard-coded comparison function for uintptr_t. Remove key/value
666 deallocation logic. Cache last splayed key for consecutive lookups.
667 * Makefile.am, Makefile.in: Use them, don't link to them.
668 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
669 (__mf_find_objects2): Flip successor/predecessor search sequence.
670 * ansidecl.h, libiberty.h: Removed dummy files.
672 2004-06-29 Nick Clifton <nickc@redhat.com>
674 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
675 * configure: Regenerate.
676 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
677 HAVE_DIRENT_H.
678 Remove spurious inclusion of <strings.h>.
680 2004-06-29 Nick Clifton <nickc@redhat.com>
682 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
683 function actually exists.
685 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
687 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
688 * config.h.in: Regenerated.
690 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
692 Adopt splay trees for object database.
693 * Makefile.am: Copy splay-tree.* from libiberty.
694 * Makefile.in, testsuite/Makefile.in: Regenerated.
695 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
696 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
697 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
698 * mf-runtime.c: Rewrite code dealing with object database to use
699 libiberty splay trees. Remove tree liveness aging option.
700 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
702 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
704 * configure.ac: New name of configure.in. Update
705 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
706 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
707 Autoconf 2.5x and Automake 1.7 or later.
708 * configure.in: Remove.
709 * configure: Regenerate.
711 * Makefile.am: Remove useless multilib rules.
712 * Makefile.in: Regenerate.
714 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
716 * .cvsignore: New file.
718 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
720 PR libmudflap/13505
721 * mf-hooks2.c (semctl): Add cygwin porting hack.
723 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
725 ctype support.
726 * configure.in: Look for ctype header and glibc implementation.
727 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
728 array hooks for glibc 2.3.
729 * mf-runtime.h.in: Wrap them.
730 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
731 implementations.
732 * testsuite/libmudflap.c/pass47-frag.c: New test.
733 * configure, config.h.in: Regenerated.
735 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
737 Portability improvements, e.g., libmudflap/15293.
738 * configure.in: Look for glibc extension functions. Look for
739 support of -f{function,data}-sections. Look for more headers.
740 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
741 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
742 mf-hooks* into usual single object per source.
743 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
744 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
745 if system doesn't provide one.
746 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
747 (pthread_create): Use it to properly GC dead thread stacks.
748 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
749 * testsuite/Makefile.am: Stop generating site.exp.
750 * testsuite/mfconfig.exp.in: New file.
751 * testsuite/config/default.exp: Load new mfconfig.exp.
752 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
753 (prune_gcc_output): Add glibc static linking warnings.
754 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
755 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
756 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
757 Regenerated with autoconf 2.57 and automake 1.7.
759 2004-06-04 Per Bothner <per@bothner.com>
761 * configure.in (LIBMUDFLAPTH): Fix thinko.
763 * configure.in: Check for more headers.
764 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
766 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
767 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
769 2004-06-01 Andreas Jaeger <aj@suse.de>
771 * configure.in: Handle multilibs, support
772 --enable-version-specific-runtime-libs.
773 * Makefile.am (lib_LTLIBRARIES): Rename to ...
774 (toolexeclib_LTLIBRARIES): this for multilib support.
775 * Makefile.in: Regenerated.
776 * configure: Regenerated.
777 * aclocal.m4: Regenerated.
778 * config.h.in: Regenerated.
779 * testsuite/Makefile.in: Regenerated.
781 2004-06-01 Andreas Jaeger <aj@suse.de>
783 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
784 multilibs, using multilib directory instead of hardcoded path.
785 Set LD_RUN_PATH.
787 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
789 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
790 * Makefile.in: Ditto.
792 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
794 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
795 * aclocal.m4, configure: Rebuilt.
797 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
799 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
800 import some build settings from libstdc++-v3 testsuite_flags.
801 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
802 changes to pass test language.
804 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
805 quicker mode-nop handling.
807 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
809 * mf-impl.h: Added libgcc license header.
811 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
813 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
814 Added libgcc license header.
815 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
816 (pthread_create): Simplify stack allocation syntax.
818 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
820 * mf-hooks2.c: Support FreeBSD.
821 (WRAP_gets): Avoid gets().
822 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
823 test unimplemented mem/str calls on FreeBSD.
824 * testsuite/libmudflap.c/pass21-frag.c: Do not include
825 <alloca.h> on FreeBSD.
827 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
829 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
830 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
831 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
832 flags for static linking permutation.
833 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
834 some pthreads code that croaks on linux glibc tls.
836 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
838 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
840 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
842 * testsuite/libmudflap.c/pass44-frag.c: New test.
844 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
846 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
848 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
850 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
852 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
854 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
856 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
858 PR libmudflap/12670
859 * configure.in: Add check for see if
860 socklen_t typedef is in sys/socket.h.
861 * mf-hooks1.c: Add define if socklen_t
862 is not typedef.
863 * mf-hooks2.c: Likewise.
864 * mf-hooks3.c: Likewise.
865 * config.h.in: Regen.
866 * configure: Regen.
868 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
870 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
871 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
872 optimizations.
873 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
874 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
875 (unoptimized) allocation of stack space.
877 2003-12-07 Richard Henderson <rth@redhat.com>
879 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
880 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
882 2003-12-06 Andrew Pinski <apinski@apple.com>
884 partial PR libmudflap/12670
885 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
886 * mf-hooks2.c: Likewise.
887 * mf-hooks3.c: Likewise.
889 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
891 libstdc++/11696
892 * mf-runtime.h.in: Switch to #pragma redefine_extname for
893 symbols interposed at compile time.
894 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
896 libmudflap/12939
897 * mf-hooks2.c (semctl): Tolerate FreeBSD.
899 * configure.in: Reorganize check for <pthread.h>.
900 * configure: Regenerated.
902 2003-11-04 David Edelsohn <edelsohn@gnu.org>
904 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
905 (_LARGE_FILE_API): Define for AIX.
906 * mf-hooks[123]: Same.
907 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
909 2003-10-21 David Edelsohn <edelsohn@gnu.org>
911 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
913 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
915 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
917 * configure.in: Update check for union semun.
919 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
921 PR other/11673
922 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
924 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
926 PR other/11673
927 * configure.in: Add checks for 64-bit LFS functions, struct semun
928 definition, for BSD compatibility.
929 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
930 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
931 * mf-hooks3.c: Ditto.
932 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
933 mmap flag.
934 * configure, config.h.in: Regenerated.
936 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
938 Multithreading fixes:
939 * mf-runtime.c (__mf_object): Store allocating/deallocating
940 thread id.
941 (options): Support new "-thread-stack" option.
942 Rename "-heur-argv-environ" option to "-heur-stdlib".
943 Disable "-lc-mask" and "-lc-shift" options.
944 (__mf_dynamic): Add function pointers for pthread_join/_exit.
945 (__assert_fail): New self-contained function for glibc.
946 * mf-hooks3.c: Essentially rewritten, particularly related to
947 use of __mf_pthread_info array.
948 (pthread_join, _exit): New hook functions.
949 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
950 * testsuite/libmudflap.cth/pass40-frag.c: New test.
952 Warning cleanups:
953 * mf-heuristics.c: Add type casts for tracing, sub calls.
954 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
955 Update all callers to declare explicit result holder.
956 (END_PROTECT): Removed.
957 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
959 2003-07-15 Diego Novillo <dnovillo@redhat.com>
961 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
962 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
963 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
965 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
967 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
968 * mf-hooks: Removed.
969 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
970 Move these macros from old mf-hooks.c here.
971 * Makefile.am: Adapt to split-up hook sources for faster builds.
972 * Makefile.in: Regenerated.
974 * mf-heuristics.c: Remove #if-0 block.
976 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
977 (__mf_starting_p): New state only for use while dlsym bootstrapping.
978 (CALL_REAL, __mf_init): Corresponding changes.
979 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
980 all callers to remove redundant "mf:" prefix.
981 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
982 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
983 (__mf_pthread_info): Become a hash table.
985 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
986 "dg-repetitions" directives to control test case execution.
987 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
988 options.
989 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
991 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
993 * mf-hooks.c (alloca): Separate into stub.
994 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
995 malloc/free for alloca blocks.
996 (pthread_create): Tolerate failing pthread_attr_get* calls.
997 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
998 * mf-impl.h (CALL_WRAP): Remove macro.
999 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
1000 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
1001 padding for ia64 BIT_FIELD_REF constructs.
1003 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
1005 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
1006 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
1007 libmudflap object type.
1008 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
1009 crashes on unregistering STATIC objects.
1011 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
1013 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
1014 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
1015 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
1016 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
1017 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
1018 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
1019 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
1020 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
1021 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
1022 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
1023 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
1024 (accept, bind, connect, gethostname, sethostname): New hooks.
1025 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
1026 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
1027 (semop, semctl, shmctl, shmat, shmdt): New hooks.
1028 * mf-runtime.h.in: Corresponding changes.
1029 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
1030 (opts) Rename heur_argv_environ to heur_std_data.
1031 (__mf_wrap_main): Use STATIC type for argv/environ strings.
1032 * Makefile.am: Corresponding changes.
1033 * Makefile.in: Regenerated.
1035 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
1037 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
1038 heuristic for threaded case, and for non-x86-linux targets.
1039 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
1040 for use during pre-main() program startup.
1041 (__mf_0fn_*): Make these functions non-static.
1042 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
1043 functions.
1044 * mf-runtime.c (__mf_state): Set initial state to "starting".
1045 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
1046 (__wrap_main): New function to register argv[] and environ[] strings.
1047 (__mf_ini): Call it.
1048 (*): In all trace functions, use "%p" as formatter for uintptr_t.
1050 * testsuite/libmudflap.c/pass38-frag.c: New test case.
1051 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
1053 * acinclude.m4: Add comments with aoliva's concerns about x86_64
1054 pass_all.
1055 * aclocal.m4, configure: Regenerated.
1057 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
1059 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
1060 * aclocal.m4, configure: Regenerated.
1062 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
1064 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
1065 for x86_64 target. Disable caching for this value.
1066 * aclocal.m4, configure: Regenerated.
1068 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
1070 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
1071 is about to become deprecated, and its present handling bugs are
1072 unworthy of fixing.
1074 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
1076 * testsuite/libmudflap.c/pass38-frag.c: New test for
1077 -fwritable-strings.
1079 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1081 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
1082 __mf_report, asserting reentrant calling context.
1084 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1086 * mf-hooks.c (realloc): Correct reentrancy logic.
1087 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
1089 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
1091 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
1092 PTHREAD_THREADS_MAX. Update users.
1093 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
1094 for active options.
1095 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
1096 with libmudflapth presence indicator.
1097 * testsuite/Makefile.in: Regenerated.
1099 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
1101 * Makefile.am (AM_CFLAGS): Remove "-ansi".
1102 * configure.in: Remove silly no-pthreads => no-shared logic.
1103 * Makefile.in, configure: Regenerated.
1104 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
1105 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
1106 code. Count reentrancy events.
1107 (all hook functions): Don't directly manipulate __mf_state variable.
1108 Add TRACE calls to hook functions without them.
1109 * mf-impl.h (LOCKTH): Try to count lock contention events.
1110 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
1111 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
1112 Reorganize reentrancy code.
1113 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
1114 identify reentrancy with mutex holding times.
1115 (internal __mfu_ entry points): Remove internal reentrancy code.
1116 (__mf_init): Use ordinary locked calls.
1117 (__mfu_report): Print the two new counts.
1118 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
1119 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
1120 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
1121 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
1122 option defaults.
1124 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
1126 * configure.in: Add pthread support, plus glibc and porting hacks.
1127 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
1128 from objects built into ./pth/.
1129 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
1130 functions for internal entry points. Update callers to pick
1131 locked vs. unlocked variants.
1132 (__mf_resolve_single_dynamic): Extend to support symbol versioning
1133 info coming in from a static data structure.
1134 (*): Reorder miscellaneous declarations to group data vs functions.
1135 (__mf_set_default_options): Simplify.
1136 (__mf_usage): Mention threading status of host executable.
1137 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
1138 decls to match above.
1139 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
1140 * mf-heuristics.c: Choose between locked/unlocked calls. Add
1141 some lock/unlock markers. Remove some unused code.
1142 * mf-hooks: Ditto.
1143 (pthread_create): New hook function.
1144 (__mf_pthread_cleanup, _spawner): New helper functions.
1145 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
1147 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
1149 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
1151 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
1153 * Makefile.am (HOOKOBJS): Add *time related hooks.
1154 * configure.in: Look for pthreads.h header.
1155 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
1156 * mf-runtime.c: Begin sketching some pthreads support.
1157 (__mf_usage): Check for -lpthread presence.
1158 (__mf_unregister): Confirm matching unregistration base.
1159 (__mf_find_objects_rec): Reduce unnecessary recursion.
1160 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
1161 #defines for new hook functions.
1162 * mf-impl.h: Corresponding changes.
1163 * config.h.in, configure, Makefile.in: Regenerated.
1165 2002-04-27 Diego Novillo <dnovillo@redhat.com>
1167 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
1168 modifiers to prevent being optimized away.
1169 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
1170 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1171 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
1172 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1173 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
1174 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
1175 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
1177 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1179 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1180 * configure.in: Look for uintptr_t and -ldl on target.
1181 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1182 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1183 * testsuite/Makefile.in: Regenerated.
1184 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1185 for better C compliance.
1187 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1189 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1190 prevention code.
1191 * mf-runtime.c (__mf_set_default_options): Turn off
1192 check-initialization.
1193 (__mf_describe_object): Shorten description.
1194 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1196 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
1198 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1200 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
1202 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1203 calls specially.
1204 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1205 * mf-impl.h (CALL_BACKUP): New macros.
1206 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1208 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
1210 * Makefile.am (AM_CFLAGS): Remove optimization flags.
1211 (HOOKOBJS): Remove dlopen hook.
1212 (libmudflap_la_LIBADD): Add -ldl.
1213 * mf-hooks.c (dlopen): Remove hook.
1214 * mf-impl.h (__mf_dynamic): Ditto.
1215 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1216 * Makefile.in: Regenerated.
1218 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
1220 * configure.in: Check for target gettimeofday, signal, some headers.
1221 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
1222 out inop multi_threaded field.
1223 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1224 (__mf_set_options): Correct handling of "-help".
1225 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1226 (__mf_check, __mf_register, __mf_unregister): Call it.
1227 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1228 (__mf_report_leaks): Make callable
1229 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
1230 distribution statistics.
1231 (__mf_adapt_cache): Rewrite shift guessing logic based on address
1232 bit distributions.
1233 * config.h.in, configure: Regenerated.
1234 * testsuite/libmudflap.c/fail27-frag.c: New test.
1235 * testsuite/libmudflap.c/pass36-frag.c: New test.
1237 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
1239 * mf-runtime.h.in: Tweak.
1240 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1241 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1242 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1244 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1246 * configure.in: Tweak generation of mf-runtime.h some more. It
1247 needs to work from both config.status and configure.
1248 * configure: Regenerated.
1250 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1252 * Makefile.am: Reorganize hook file building. Add auto dependencies.
1253 * configure.in: Tweak generation of mf-runtime.h.
1254 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1255 * mf-hooks.c (*): Adapt to initialized-heap object type.
1256 * mf-impl.h: Tweak cemetary boundaries.
1257 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1258 type.
1259 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1260 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1261 * testsuite/lib/libmudflap.exp (includes): Include build tree.
1262 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1263 checking.
1264 * testsuite/.../fail{25,26}-frag.c: New tests.
1265 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1266 * Makefile.in, configure: Regenerated.
1268 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1270 * mf-runtime.c (__mf_set_default_options): Turn on initialization
1271 checking by default.
1272 (__mf_insert_new_object): As a temporary hack, assume that new
1273 objects registered on the stack start out initialized.
1274 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1275 heap objects by hand.
1277 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1279 Switch to macro-style hooks for str*/mem*/b* functions.
1280 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1281 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1282 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1283 (__mf_set_default_options): Turn off heur_proc_map.
1284 (*): Adapt to to macro-style hook functions.
1285 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1286 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1287 (__mf_violation): Handle __MF_VIOL_WATCH.
1288 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1289 (__mf_dynamic): Removed mem*/str*/b* functions.
1290 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1291 (WRAPPER2): New macro for macro-style hooks.
1292 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1293 macro-style hooks.
1294 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1295 * mf-heuristics.c: Adapt to macro-style hook functions.
1296 Correct some comments.
1297 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1298 output pattern tests.
1299 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1300 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1302 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1304 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1305 for global array registration.
1306 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1307 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1309 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1311 * Makefile.am: Add gross make bug workarounds. Tweaked
1312 SUBDIRS and AM_CFLAGS.
1313 * Makefile.in: Regenerated.
1315 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1317 Switch to dejagnu.
1318 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1319 * Makefile.am (TESTS): Remove simple automake testing.
1320 * configure, Makefile.in: Regenerated.
1321 (SUBDIRS): Include new testsuite/ directory.
1322 * tests/*: Removed all files; moved bulk under:
1323 * testsuite/*: New subdirectory tree.
1324 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1325 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1326 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1327 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1328 * testsuite/config/default.exp: New file.
1329 * testsuite/Makefile.am, Makefile.in: New files.
1331 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1333 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1334 (TESTS): Add fail22 and pass29 tests.
1335 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1336 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1337 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1338 values. Move __MF_VIOL* here.
1339 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1340 (check_initialization): New field in __mf_opts. Default off.
1341 (read_count,write_count): New fields in __mf_object.
1342 (__mf_check): Implement basic initialization checking.
1343 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1344 (__mf_describe_object): Print new fields.
1345 (__mf_violation): Identify check/read vs. check/write in messages.
1346 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1347 "-check-initialized" mudflap option.
1348 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1349 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1350 Drop __FILE__/__LINE__ hack. Update callers.
1351 (*): Adapt to new mf-runtime.h API.
1352 * Makefile.in: regenerated.
1354 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1356 * configure.in: Build mf-runtime.h a more proper way.
1357 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1358 * mf-runtime.c (verbose_violations): Turn on by default.
1359 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1360 * mf-impl.h: ... and move it here.
1361 * configure: Regenerated.
1363 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1365 * configure.in: Look for C++ compiler.
1366 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1367 fixed type warnings when built with C++.
1368 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1369 * Makefile.am (TESTS): Run them.
1370 (*) Add new rules for building and running C++ tests.
1371 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1372 * mf-runtime.h.in: Protect with extern "C".
1373 * Makefile, configure: Regenerated.
1375 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1377 Portability improvements.
1378 * configure.in: Look for glibc backtrace headers/functions.
1379 * mf-hooks.c: Don't include <execinfo.h> any more.
1380 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1381 via CALL_REAL.
1382 (__mf_backtrace): Provide alternate baby implementation in
1383 absence of glibc.
1384 * test/mf-driver.c: Portability tweaks.
1385 * acinclude.m4: New file, containing top level libtool.m4.
1386 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1388 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1390 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1392 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1394 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1395 options.
1396 (__mf_unregister): Implement stack/heap object wiping.
1397 (__mf_set_options): Renamed from __mf_process_opts.
1398 (__mf_uncache_object): Change arg type, correct callers.
1399 * mf-impl.h: Corresponding changes.
1400 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1401 * mf-runtime.h.in (__mf_set_options): Extend public API.
1402 * test/pass26-frag.c: New test for stack wiping.
1403 * Makefile.am (TESTS): Run it.
1404 * Makefile.in: Regenerated.
1406 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1408 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1409 * mf-runtime.c (__mf_object_t): Add watching_p field.
1410 (__mf_watch_or_not): New function to implement
1411 object watch flagging.
1412 (__mf_watch, __mf_unwatch): New wrappers for above.
1413 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1414 (__mf_count_violation): Enlarge array.
1415 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1416 unlink object. Clear cache properly.
1417 (__mf_unregister): Unlink object explicitly before uncaching.
1418 * test/fail21-frag.c, pass25-frag.c: New tests.
1419 * Makefile.in, aclocal.m4: Regenerated.
1421 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1423 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1424 * Makefile.am (TESTS): Add it.
1425 * test/pass-stratcliff.c: Add decls of stpcpy.
1426 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1427 build tree from config.h and new file mf-runtime.h.in.
1428 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1429 * Makefile.in, configure, config.h.in: Regenerated.
1430 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1431 * mf-runtime.c (options, __mf_set_default_options): Support new
1432 default "abbreviate" option.
1433 (__mf_object.description_epoch): New field.
1434 (__mf_describe_object): Conditionally abbreviate objects already
1435 displayed in current epoch. Accept NULL input to increment epoch.
1436 (__mf_fini, __mf_ini): Reset description epoch.
1437 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1438 that NULL pointer slot in lookup cache is invalidated. Register a
1439 NOACCESS region around NULL.
1440 * mf-impl.h: Corresponding changes.
1442 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1444 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1445 * Makefile.am: Run them. Install mf-runtime.h.
1446 * Makefile.in: Regenerated.
1447 * mf-hooks.c: Add some markers for more missing functions.
1448 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1449 statistic to tune tune cache size (mask).
1451 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1453 * test/pass23-frag.c: New test for bit_field_ref expressions.
1454 * Makefile.am, Makefile.in: Add new test.
1455 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1456 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1457 * mf-runtime.c (__mf_init): Register errno global.
1458 (__mf_find_object): Removed function.
1459 (__mf_check): Rewrite logic to support accesses across some
1460 contiguous but distinctly registered objects.
1461 (__mf_remove_old_object): Tolerate cache entries that span
1462 contiguous objects.
1464 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1466 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1467 * Makefile.am, Makefile.in: Run new tests.
1468 * mf-hooks.c (alloca): Correct stack direction logic.
1470 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1472 * mf-impl.h (adapt_cache): New option.
1473 * mf-runtime.c (__mf_set_default_options): Set its default value.
1474 Tweak the tree_aging parameter down.
1475 (__mf_check): Maintain separate counter for cache-adaptation.
1476 (__mf_tree_analyze): New function to collect object tree stats.
1477 (__mf_adapt_cache): New function to automate cache parameters.
1479 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1481 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1482 hypothetical #if-0'd argv/envp region registration.
1483 * mf-runtime.c (__mf_init): Add kludged form of above.
1484 (*) Add "heur_argv_environ" flag, default on, to govern this.
1485 * mf-impl.h: Corresponding changes.
1487 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1489 * test/fail18-frag.c: New test file for NOACCESS regions.
1490 * Makefile.am (TESTS): Add new test.
1491 * Makefile.in: Regenerated.
1493 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1494 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1495 (optimize_object_tree): Remove unused mudflap_option.
1496 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1497 support throughout. Use .._MAX_CEM for cemetary upper bound.
1498 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1499 regions.
1500 (__mf_object): Add new liveness field for use by tree aging.
1501 (__mf_check): Trigger tree aging when needed.
1502 (__mf_age_tree): New function to decay liveness field.
1503 (__mf_find_objects_rec): Use liveness field to rotate tree.
1504 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1505 (__mf_unregister): Ditto.
1506 (__mf_register): Tweak duplicate-static message.
1507 (__mf_violation: Tweak nearby-object counter printing.
1509 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1511 * test/pass20-frag.c: New test file.
1512 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1513 * Makefile.in: Regenerated.
1515 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1516 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1517 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1518 entries to avoid repeat registration.
1519 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1520 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1522 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1524 * Makefile.am: Create test sources with #include, not cat>>.
1525 * Makefile.in: Regenerated.
1526 * test/buildtest.sh: Removed.
1527 * test/driver.c (abort_handler, main): Be quiet.
1529 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1531 * test/pass18-frag.c, pass19-frag.c: New tests.
1532 * Makefile.am (check): Run them. Rebuild test programs each time.
1533 * Makefile.in: Regenerated.
1535 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1537 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1538 overlapping object search.
1539 (__mf_violation): Likewise for nearby objects.
1540 Improve nearby-object listing.
1542 cleanup:
1543 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1544 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1546 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1548 alloca support:
1549 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1550 (HOOKOBJS): Add alloca-hook.o.
1551 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1552 style.
1553 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1554 (__mf_backtrace): Reimplement without using alloca.
1555 * Makefile.in: Regenerated.
1557 cleanup:
1558 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1559 Correct signedness bugs in length-tracking variables.
1560 * mf-impl.h: Make options unsigned.
1561 (CALL_WRAP): New macro to parallel CALL_REAL().
1562 (DECLARE): Remove erroneous ";" at end.
1563 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1564 formatting specs with %08lx. Correct several compiler warnings.
1566 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1568 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1570 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1572 libmudflap hook breakup:
1573 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1574 for libgcc_s.
1575 (TESTS): Make dependent on libmudflap.
1576 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1577 compiled from segments of mf-hooks.c.
1578 * mf-hooks.c: Corresponding changes: wrap each function in
1579 #ifdef/#endif.
1580 * Makefile.in: Regenerated.
1582 Heuristics reorganization:
1583 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1584 Remove these functions. Update callers.
1585 (__mf_heuristic_check): Incorporate all the various heuristics.
1586 Encode cacheability/retry judgement into trinary return value.
1587 Separate start-end logic into a separate fallback heuristic. Only
1588 register relevant /proc/self/map segments.
1589 * mf-impl.h: Corresponding changes.
1590 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1591 (__mf_init): Don't call __mf_init_heuristics.
1593 Tracing cleanup:
1594 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1595 "-verbose-trace" to emit all tracing messages other than those of
1596 basic public api. Eliminate some duplicate/excessive messages.
1597 * mf-runtime.h: Corresponding changes.
1599 2002-08-27 Graydon Hoare <graydon@redhat.com>
1601 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1602 and __real when compiled with -DPIC.
1603 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1604 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1605 * Makefile.in: Regenerate.
1607 2002-08-26 Graydon Hoare <graydon@redhat.com>
1609 * mf-impl.h: New file, private implementation header.
1610 * mf-runtime.h: Reorganize a bit.
1611 (CLAMPSZ): Fix arithmetic.
1612 (__MF_CACHE_MISS_P): Fix arithmetic.
1613 * mf-runtime.c: Reorganize a bit.
1614 (__mf_dynamic): New structure.
1615 (resolve_single_dynamic): New function.
1616 (__mf_resolve_dynamics): New function.
1617 (__mf_init): Initialize dynamic wrappers.
1618 * mf-hooks.c: Macro-ize __real calls.
1619 Clamp various bits of arithmetic.
1620 Add explicit __mf_check call contexts.
1621 * Makefile.am: Add dependencies on mf-impl.h
1622 * Makefile.in: Regenerate.
1623 * configure.in: Comment out shared override.
1624 * configure: Regenerate.
1626 2002-08-22 Graydon Hoare <graydon@redhat.com>
1628 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1629 (__mf_check): Re-inialize and check heuristics before violation.
1630 (__mf_register): Permit updating pure-guess regions.
1631 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1632 (__wrap_dlopen): New wrapper function.
1633 (__wrap_mmap): New wrapper function.
1634 (__wrap_munmap): New wrapper function.
1635 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1636 which are not stack addresses.
1637 (is_stack_address): New function.
1638 (__mf_init_heuristics): Save and restore state, always initialize with
1639 "starting" state.
1641 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1643 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1644 error. Pass location string.
1645 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1646 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1647 (__mf_process_opts): Apply some sanity checking for lc-mask.
1648 (__mf_check, __mf_violation): Take new location-string argument.
1649 Update callers to pass NULL if necessary.
1650 (__mf_backtrace): New smart backtracer function. Calls replace
1651 several ad-hoc blocks elsewhere.
1652 (__mf_describe_object): Remove bad reentrancy test. Improve
1653 tracing message.
1654 * mf-runtime.h: Corresponding changes. Public/private markup.
1655 (__MF_CACHE_MISS_P): New macro.
1657 2002-08-20 Graydon Hoare <graydon@redhat.com>
1659 * mf-runtime.h: New option: stack_bound (heuristic).
1660 Move some macros out of implementation files.
1661 * mf-runtime.c: New option string: -stack-bound.
1662 Unify recursion protection with hooks.
1663 Add more logging.
1664 (__mf_check): Call __mf_heuristic_check.
1665 (__mf_process_opts): Fix "no-" processing.
1666 * mf-heuristics.c (__mf_heuristic_check): New function.
1667 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1669 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1671 Option parsing improvements, region splitting bug fixes:
1672 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1673 * mf-runtime.h (heur_proc_map): New libmudflap option.
1674 * mf-runtime.c (__mf_set_default_options): Set it.
1675 (__mf_usage): Print default values/status.
1676 (__mf_process_opts): Support general "no-" option string prefix.
1677 (__mf_init): Print __mf_usage on unknown-option error.
1678 (__mf_register): Print trace message up front.
1679 Correct region splitting logic for case where a subregion disappears.
1680 Correct memory leak.
1681 (__mf_violation): Make even basic message conditional on option.
1683 Build cleanup:
1684 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1685 (clean-local): New target.
1686 (test/*x rules): Add -g CFLAGS.
1687 (CFLAGS): Add -freorder-blocks.
1688 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1689 * Makefile.in: Regenerated.
1690 * Makefile, mf-config.h: Removed files.
1692 2002-08-16 Graydon Hoare <graydon@redhat.com>
1694 * mf-runtime.c (__mf_insert_new_object): Factor out of
1695 __mf_register.
1696 (__mf_remove_old_object): Factor out of __mf_unregister.
1697 (__mf_register): Handle guessed regions, splitting
1698 guesses when new registrations arrive.
1699 (__mf_unregister): Do not unregister guesses.
1700 * mf-runtime.h: Move convenience macros around,
1701 declare new option fields. Add __MF_TYPE_GUESS.
1702 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1703 (__wrap_free): Call __real_free for deferred frees.
1704 * Makefile.am: Add more tests, fix dependency.
1705 * Makefile.in: Regenerate.
1706 * test/pass[13..17]-frag.c: New testcases.
1707 * test/fail[13..17]-frag.c: New testcases.
1709 2002-08-15 Graydon Hoare <graydon@redhat.com>
1711 * mf-heuristics.c: New file.
1712 * mf-runtime.c (options): Add -trace-calls option.
1713 (__mf_init): Call __mf_init_heuristics.
1715 2002-08-14 Graydon Hoare <graydon@redhat.com>
1717 * Makefile.am (TESTS): Add testsuite support.
1718 * Makefile.in: Regenerate.
1719 * test/mf-driver.c: New file.
1720 * test/buildtest.sh: New file.
1721 * test/passNN-frag.c: New testcases.
1722 * test/failNN-frag.c: New testcases.
1724 2002-08-14 Graydon Hoare <graydon@redhat.com>
1726 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1727 verifying non-size-limited string extents.
1729 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1731 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1732 instead of plain str[n]len for internal checks.
1733 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1735 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1737 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1739 2002-08-13 Graydon Hoare <graydon@redhat.com>
1741 * mf-runtime.c: Rework configuration to operate on
1742 environment variable options rather than #defines
1743 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1744 (__mf_init): Set static __mf_active_p flag on startup,
1745 to inhibit mudflap wrap-based checking during crt0.s.
1746 * mf-runtime.h: Declare options structure.
1747 * mf-hooks.c: New wrappings for mem*, b*, str*
1748 libc functions (temporarily #if 0-ed out).
1750 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1752 * Makefile.am, configure.in: New files.
1753 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1754 * stamp-h.in, aclocal.m4: Ditto.
1756 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1758 * Makefile: New file.
1759 * mf-config.h: New file: runtime configuration.
1760 * mf-hooks.c: New file: interposed libc functions.
1761 * mf-runtime.c: New file: bulk of runtime.
1762 * mf-runtime.h: New file: public functions.