1 2008-04-18 Paolo Bonzini <bonzini@gnu.org>
4 * aclocal.m4: Regenerate.
5 * configure: Regenerate.
7 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
9 * testsuite/libmudflap.c/pass63-frag.c: New test.
11 2008-03-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
13 * aclocal.m4: Regenerate.
14 * configure: Likewise.
15 * Makefile.in: Likewise.
16 * testsuite/Makefile.in: Likewise.
18 2008-03-02 Jakub Jelinek <jakub@redhat.com>
20 * mf-runtime.c (__mf_usage): Update copyright notice dates.
22 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
24 * testsuite/libmudflap.c/fail8-frag.c: Adjust scan pattern for
26 * testsuite/libmudflap.c/fail9-frag.c: Ditto.
28 2008-01-24 David Edelsohn <edelsohn@gnu.org>
30 * configure: Regenerate.
32 2008-01-05 Jakub Jelinek <jakub@redhat.com>
34 PR tree-optimization/34618
35 * testsuite/libmudflap.c/pass62-frag.c: New test.
37 2008-01-03 Jakub Jelinek <jakub@redhat.com>
40 * testsuite/libmudflap.c++/pass61-frag.cxx: New test.
42 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
45 * testsuite/libmudflap.c++/pass60-frag.cxx: New test.
47 2007-10-15 Maciej W. Rozycki <macro@linux-mips.org>
49 * configure: Regenerate following changes to ../config/tls.m4.
51 2007-07-26 Tom Tromey <tromey@redhat.com>
53 * Makefile.in: Rebuilt.
54 * Makefile.am (clean-local): Removed.
55 (pth/mf-runtime.lo, pth/mf-heuristics.lo, pth/mf-hooks1.lo,
56 pth/mf-hooks2.lo, pth/mf-hooks3.lo): Likewise.
57 (libmudflapth_la_SOURCES): List sources.
58 (libmudflapth_la_LIBADD): Clear.
59 (libmudflapth_la_CFLAGS): New variable.
61 2007-07-05 H.J. Lu <hongjiu.lu@intel.com>
63 * aclocal.m4: Regenerated.
65 2007-06-02 Paolo Bonzini <bonzini@gnu.org>
67 * configure: Regenerate.
69 2007-05-31 Frank Ch. Eigler <fche@redhat.com>
71 From Andi Kleen <ak@suse.de>:
72 * mf-runtime.c (options): Rename structure for compatibility with
75 2007-05-23 Steve Ellcey <sje@cup.hp.com>
77 * Makefile.in: Regenerate.
78 * configure: Regenerate.
79 * aclocal.m4: Regenerate.
80 * testsuite/Makefile.in: Regenerate.
82 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
84 * testsuite/libmudflap.cth/pass59-frag.c (main): Fix casting of arg.
86 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
88 * Makefile.am: Add dummy install-pdf target.
89 * Makefile.in: Regenerate
91 2007-02-07 Jakub Jelinek <jakub@redhat.com>
94 * configure: Regenerate.
96 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
98 * configure: Regenerate.
100 2006-11-13 Daniel Jacobowitz <dan@codesourcery.com>
102 * configure: Regenerated.
104 2006-11-10 Frank Ch. Eigler <fche@redhat.com>
107 * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
108 static but not function scope static.
109 (free): Skip deallocation attempts for objects placed into
111 * testsuite/libmudflap.cth/pass59-frag.c: New test.
113 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
115 From Herman ten Brugge <hermantenbrugge@home.nl>:
116 * mf-runtime.c (__mf_uncache_object): Optimize the code so that
117 small and large objects are handled a lot faster.
119 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
121 * configure.ac (__libc_freeres): Look for it.
122 * mf-impl.h (call_libc_freeres): New configuration flag.
123 * mf-runtime.c (__mf_set_default_options): Set it by default.
124 (__mfu_report): Call it if needed.
125 (__mfu_unregister): Remove "unaccessed registered object" warning.
126 * configure, config.h.in: Regenerated.
128 2006-09-18 Tom Tromey <tromey@redhat.com>
130 * configure: Rebuilt.
132 2006-06-21 Frank Ch. Eigler <fche@redhat.com>
135 mf-runtime.h installation based on ssp patch for PR 26473 from
136 Mark Mitchell <mark@codesourcery.com>.
137 * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
138 * Makefile.am (target_noncanonical): Define.
139 (libsubincludedir): New variable.
140 (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
141 (include_HEADERS): Remove.
142 * configure, aclocal.m4, config.h.in: Regenerated.
143 * Makefile.in, testsuite/Makefile.in: Likewise.
144 * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
145 and _THREAD_SAFE redefinition values.
147 2006-05-23 Carlos O'Donell <carlos@codesourcery.com>
149 * Makefile.am: Add install-html target. Add install-html to .PHONY
150 * Makefile.in: Regenerate.
152 2006-04-19 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
155 * testsuite/libmudflap.c++/error1-frag.cxx: New test.
158 * testsuite/libmudflap.c++/error2-frag.cxx: New test.
160 2006-04-10 Matthias Klose <doko@debian.org>
162 * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
163 directory names containing underscores.
165 2005-11-22 Janis Johnson <janis187@us.ibm.com>
167 * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
168 MUDFLAP_FLAGS if static library not supported.
169 * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
170 * testsuite/libmudflap.c/externs.exp: Ditto.
171 * testsuite/libmudflap.c++/ctors.exp: Ditto.
172 * testsuite/libmudflap.c++/c++frags.exp: Ditto.
173 * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
175 2005-10-04 James E Wilson <wilson@specifix.com>
177 * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
178 $name as array of characters with unknown bound. Also store into the
180 * configure: Regenerate.
182 2005-09-30 James E. Wilson <wilson@specifix.com>
184 * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
186 (target_thread_file): New. Set from sed'ed gcc output.
187 (posix_threads): New. Set from target_thread_file. Use instead of
189 (pthread_create_version): Move initialization before code using it.
190 * configure: Regenerate.
192 * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
195 2005-09-29 James E. Wilson <wilson@specifix.com>
197 * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
198 with HAVE_MMAP ifdef.
200 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
203 * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
205 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
207 * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
209 2005-09-23 Tom Tromey <tromey@redhat.com>
211 * aclocal.m4, configure: Rebuilt.
212 * configure.ac: Use GCC_CHECK_TLS.
213 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
216 2005-08-22 Jim Wilson <wilson@specifix.com>
218 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
219 __FreeBSD__ is defined.
221 2005-08-17 Jim Wilson <wilson@specifix.com>
223 * mf-hooks1.c (malloc, calloc, realloc, free,
224 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
225 the real routines, and END_MALLOC_PROTECT afterwards.
226 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
227 (BEGIN_PROTECT): Handle in_malloc state.
228 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
229 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
231 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
233 * All files: Update FSF address.
235 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
237 * mf-hooks3.c (main_seen_p): Remove.
238 (__mf_get_state): Remove attempt to recognize the main thread.
240 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
242 * configure.ac: Test for the name of the symbol used for the entry
243 point; define ENTRY_POINT to the result.
244 * configure: Regenerate.
245 * config.h.in: Regenerate.
246 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
248 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
250 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
251 (__mf_init): Set thread state active.
252 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
254 (pthread_create wrapper): Always use thread spawner.
256 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
257 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
259 2005-07-16 Richard Henderson <rth@redhat.com>
261 * acinclude.m4: New file.
262 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
263 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
264 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
265 (__mf_0fn_calloc): ... here.
266 * mf-hooks3.c (struct pthread_info): Remove.
267 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
268 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
269 (struct mf_thread_data): New.
270 (mf_thread_data, mf_thread_data_lock): New.
271 (__mf_allocate_blank_threadinfo): Remove.
272 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
274 (__mf_state_perthread): Remove.
275 (__mf_get_state, __mf_set_state): New.
276 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
277 Update mf_thread_data killing procedure.
278 (__mf_pthread_spawner): Similarly.
279 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
280 code to allocate thread stack space.
281 (__mf_0fn_pthread_join, pthread_join): Remove.
282 (__mf_0fn_pthread_exit, pthread_exit): Remove.
283 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
284 (__mf_state_1): Rename from __mf_state; use TLS when available.
285 (__mf_get_state, __mf_set_state): New. Update all users.
286 * mf-runtime.c (begin_recursion_protect1): New.
287 (BEGIN_RECURSION_PROTECT): Use it.
288 (__mf_state_1): Rename from __mf_state; use TLS when available.
289 (threads_active_p): Remove.
290 (__mf_usage): Compute it directly.
292 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
294 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
296 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
298 Fix for uncaching bug reported by Herman ten Brugge.
299 * mf-runtime.c (__mf_uncache_object): Search whole cache.
300 * testsuite/libmudflap.c/fail40-frag.c: New test.
302 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
305 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
306 * Makefile.in: Amend.
308 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
311 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
312 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
314 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
317 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
319 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
322 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
323 unsigned vars with #defines instead of enums.
325 2005-05-09 Mike Stump <mrs@apple.com>
327 * configure: Regenerate.
329 2005-04-12 Mike Stump <mrs@apple.com>
331 * configure: Regenerate.
333 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
336 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
337 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
339 2005-04-04 Alan Modra <amodra@bigpond.net.au>
341 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
343 2005-03-31 Mike Stump <mrs@apple.com>
345 * mf-runtime.h: Add libmudflap copyright clause.
347 2005-03-21 Mike Stump <mrs@apple.com>
349 * mf-heuristics.c: Fix whitespace at end of line.
350 * mf-hooks1.c: Likewise.
351 * mf-hooks2.c: Likewise.
352 * mf-hooks3.c: Likewise.
353 * mf-impl.h: Likewise.
354 * mf-runtime.c: Likewise.
355 * mf-runtime.h: Likewise.
357 2005-03-21 Zack Weinberg <zack@codesourcery.com>
359 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
360 In all substitutions, expand gcc_version in Makefile.
361 * aclocal.m4, configure: Regenerate.
362 * Makefile.am: Set gcc_version.
363 * Makefile.in, testsuite/Makefile.in: Regenerate.
365 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
367 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
368 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
370 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
373 * testsuite/libmudflap.c++/pass55-frag.c: New test.
375 2005-01-05 Richard Henderson <rth@redhat.com>
377 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
379 2005-01-02 Greg McGary <greg@mcgary.org>
381 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
382 * mf-runtime.h: New file, replaces mf-runtime.h.in.
383 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
384 * Makefile.in: Ditto.
385 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
386 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
387 * testsuite/libmudflap.c/fail36-frag.c: New test.
388 * testsuite/libmudflap.c/fail37-frag.c: New test.
389 * testsuite/libmudflap.c/fail38-frag.c: New test.
391 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
393 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
394 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
396 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
398 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
399 * aclocal.m4: Include ../config/gcc-version.m4.
400 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
402 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
404 * Makefile.am: Define ACLOCAL_AMFLAGS.
405 * acinclude.m4: Remove.
406 * stamp-h.in: Remove superfluous stamp file.
407 * aclocal.m4, configure, Makefile.in: Regenerate.
408 * testsuite/Makefile.in: Likewise.
410 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
412 * Makefile.am: Revert previous.
413 * acinclude.m4: Restore.
414 * aclocal.m4, configure, Makefile.in: Regenerate.
415 * testsuite/Makefile.in: Likewise.
417 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
419 * Makefile.am: Define ACLOCAL_AMFLAGS.
420 * acinclude.m4: Remove.
421 * aclocal.m4, configure, Makefile.in: Regenerate.
422 * testsuite/Makefile.in: Likewise.
424 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
426 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
428 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
430 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
431 * testsuite/Makefile.in: Likewise.
433 2004-11-01 Andreas Schwab <schwab@suse.de>
435 * configure.ac: (target_alias): Default to $host_alias, not
437 * configure: Regenerated.
439 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
441 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
442 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
445 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
448 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
450 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
452 * configure.ac: Check for more headers, functions.
453 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
454 tracking overridden FILE buffers.
455 (fopen, setvbuf): New/revised hook functions for buffer overriding.
456 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
457 (fflush): Accept given NULL stream (means "all streams").
459 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
461 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
462 (__mf_adapt_cache): Use them all.
463 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
464 * testsuite/libmudflap.c++/ctors.exp: Ditto.
465 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
466 * configure, config.h.in: Regenerated.
468 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
470 * configure.ac: Checking for sys/socket.h once is enough.
471 * configure: Regenerated.
473 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
475 * configure.ac: Look for more headers & functions.
476 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
477 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
478 * mf-runtime.c (options): Clean up integer signedness warnings.
479 (main): Add a declaration to fix a warning.
480 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
481 * configure, config.h.in: Regenerated.
483 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
485 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
486 New tests for proper base/limit checking for aggregates.
488 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
490 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
492 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
494 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
495 * mf-hooks2.c (strerror): Unregister previous string returned by
497 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
498 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
499 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
500 * mf-runtime.c (__mf_describe_object): Clarify object life status.
501 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
503 * configure, config.h.in: Regenerated.
505 2004-08-03 Dale Johannesen <dalej@apple.com>
507 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
509 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
511 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
512 simplified contents in all former callers.
514 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
516 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
517 the statically linked case.
519 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
521 * splay-tree.[ch]: Remove. Merge contents into ...
522 * mf-runtime.c: ... here, renaming symbols and making all functions
523 static. Remove unused min/max functions.
524 * Makefile.am: Forget about splay-tree.[ch].
525 * Makefile.in, testsuite/Makefile.in: Regenerated.
527 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
529 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
530 (__mfu_usage): Include (C) 2004.
531 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
532 here. Include a comment explaining why.
534 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
536 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
537 * mf-runtime.c (options): Give them a name.
538 (__mf_set_default_options): Set them.
539 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
540 (__mf_violation): Warning cleanup.
541 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
542 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
544 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
547 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
550 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
552 Test case for g++/15861
553 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
554 * testsuite/libmudflap.c++/ctors.exp: Driver.
555 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
556 Look only for *frag* test cases.
558 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
560 ANSI C conversion, libmudflap specialization, recursion limiting.
561 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
562 argument and indirection function pointers, update callers.
563 (splay_tree_s): Add statistics and recursion control fields
564 num_keys, max_depth, depth, rebalance_p.
565 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
566 Back out of search if it exceeds limit.
567 (splay_tree_splay): Manage recursion limiting with rebalancing as
569 (splay_tree_new): More initialization.
570 (splay_tree_rebalance): New function.
571 (splay_tree_foreach): Rewrite using nonrecursive logic.
572 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
573 Remove. Point indirect calls to mf-runtime.c's routines.
574 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
576 (splay_tree_delete, splay_tree_delete_helper): Ditto.
577 * testsuite/heap-scalestress.c: New test based on one from
578 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
580 2004-07-05 Matthias Klose <doko@debian.org>
582 * libtool-version: New.
583 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
584 Use -version-info for soname.
585 * Makefile.in: Regenerate.
586 * configure.ac: Remove libtool_VERSION macro
587 * configure: Regenerate
589 2004-07-05 Zack Weinberg <zack@codesourcery.com>
591 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
592 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
595 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
597 Splay tree implementation fork.
598 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
599 Use hard-coded comparison function for uintptr_t. Remove key/value
600 deallocation logic. Cache last splayed key for consecutive lookups.
601 * Makefile.am, Makefile.in: Use them, don't link to them.
602 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
603 (__mf_find_objects2): Flip successor/predecessor search sequence.
604 * ansidecl.h, libiberty.h: Removed dummy files.
606 2004-06-29 Nick Clifton <nickc@redhat.com>
608 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
609 * configure: Regenerate.
610 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
612 Remove spurious inclusion of <strings.h>.
614 2004-06-29 Nick Clifton <nickc@redhat.com>
616 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
617 function actually exists.
619 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
621 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
622 * config.h.in: Regenerated.
624 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
626 Adopt splay trees for object database.
627 * Makefile.am: Copy splay-tree.* from libiberty.
628 * Makefile.in, testsuite/Makefile.in: Regenerated.
629 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
630 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
631 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
632 * mf-runtime.c: Rewrite code dealing with object database to use
633 libiberty splay trees. Remove tree liveness aging option.
634 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
636 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
638 * configure.ac: New name of configure.in. Update
639 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
640 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
641 Autoconf 2.5x and Automake 1.7 or later.
642 * configure.in: Remove.
643 * configure: Regenerate.
645 * Makefile.am: Remove useless multilib rules.
646 * Makefile.in: Regenerate.
648 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
650 * .cvsignore: New file.
652 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
655 * mf-hooks2.c (semctl): Add cygwin porting hack.
657 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
660 * configure.in: Look for ctype header and glibc implementation.
661 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
662 array hooks for glibc 2.3.
663 * mf-runtime.h.in: Wrap them.
664 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
666 * testsuite/libmudflap.c/pass47-frag.c: New test.
667 * configure, config.h.in: Regenerated.
669 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
671 Portability improvements, e.g., libmudflap/15293.
672 * configure.in: Look for glibc extension functions. Look for
673 support of -f{function,data}-sections. Look for more headers.
674 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
675 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
676 mf-hooks* into usual single object per source.
677 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
678 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
679 if system doesn't provide one.
680 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
681 (pthread_create): Use it to properly GC dead thread stacks.
682 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
683 * testsuite/Makefile.am: Stop generating site.exp.
684 * testsuite/mfconfig.exp.in: New file.
685 * testsuite/config/default.exp: Load new mfconfig.exp.
686 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
687 (prune_gcc_output): Add glibc static linking warnings.
688 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
689 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
690 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
691 Regenerated with autoconf 2.57 and automake 1.7.
693 2004-06-04 Per Bothner <per@bothner.com>
695 * configure.in (LIBMUDFLAPTH): Fix thinko.
697 * configure.in: Check for more headers.
698 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
700 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
701 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
703 2004-06-01 Andreas Jaeger <aj@suse.de>
705 * configure.in: Handle multilibs, support
706 --enable-version-specific-runtime-libs.
707 * Makefile.am (lib_LTLIBRARIES): Rename to ...
708 (toolexeclib_LTLIBRARIES): this for multilib support.
709 * Makefile.in: Regenerated.
710 * configure: Regenerated.
711 * aclocal.m4: Regenerated.
712 * config.h.in: Regenerated.
713 * testsuite/Makefile.in: Regenerated.
715 2004-06-01 Andreas Jaeger <aj@suse.de>
717 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
718 multilibs, using multilib directory instead of hardcoded path.
721 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
723 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
724 * Makefile.in: Ditto.
726 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
728 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
729 * aclocal.m4, configure: Rebuilt.
731 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
733 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
734 import some build settings from libstdc++-v3 testsuite_flags.
735 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
736 changes to pass test language.
738 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
739 quicker mode-nop handling.
741 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
743 * mf-impl.h: Added libgcc license header.
745 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
747 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
748 Added libgcc license header.
749 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
750 (pthread_create): Simplify stack allocation syntax.
752 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
754 * mf-hooks2.c: Support FreeBSD.
755 (WRAP_gets): Avoid gets().
756 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
757 test unimplemented mem/str calls on FreeBSD.
758 * testsuite/libmudflap.c/pass21-frag.c: Do not include
759 <alloca.h> on FreeBSD.
761 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
763 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
764 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
765 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
766 flags for static linking permutation.
767 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
768 some pthreads code that croaks on linux glibc tls.
770 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
772 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
774 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
776 * testsuite/libmudflap.c/pass44-frag.c: New test.
778 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
780 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
782 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
784 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
786 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
788 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
790 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
793 * configure.in: Add check for see if
794 socklen_t typedef is in sys/socket.h.
795 * mf-hooks1.c: Add define if socklen_t
797 * mf-hooks2.c: Likewise.
798 * mf-hooks3.c: Likewise.
799 * config.h.in: Regen.
802 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
804 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
805 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
807 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
808 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
809 (unoptimized) allocation of stack space.
811 2003-12-07 Richard Henderson <rth@redhat.com>
813 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
814 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
816 2003-12-06 Andrew Pinski <apinski@apple.com>
818 partial PR libmudflap/12670
819 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
820 * mf-hooks2.c: Likewise.
821 * mf-hooks3.c: Likewise.
823 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
826 * mf-runtime.h.in: Switch to #pragma redefine_extname for
827 symbols interposed at compile time.
828 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
831 * mf-hooks2.c (semctl): Tolerate FreeBSD.
833 * configure.in: Reorganize check for <pthread.h>.
834 * configure: Regenerated.
836 2003-11-04 David Edelsohn <edelsohn@gnu.org>
838 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
839 (_LARGE_FILE_API): Define for AIX.
840 * mf-hooks[123]: Same.
841 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
843 2003-10-21 David Edelsohn <edelsohn@gnu.org>
845 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
847 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
849 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
851 * configure.in: Update check for union semun.
853 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
856 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
858 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
861 * configure.in: Add checks for 64-bit LFS functions, struct semun
862 definition, for BSD compatibility.
863 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
864 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
865 * mf-hooks3.c: Ditto.
866 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
868 * configure, config.h.in: Regenerated.
870 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
872 Multithreading fixes:
873 * mf-runtime.c (__mf_object): Store allocating/deallocating
875 (options): Support new "-thread-stack" option.
876 Rename "-heur-argv-environ" option to "-heur-stdlib".
877 Disable "-lc-mask" and "-lc-shift" options.
878 (__mf_dynamic): Add function pointers for pthread_join/_exit.
879 (__assert_fail): New self-contained function for glibc.
880 * mf-hooks3.c: Essentially rewritten, particularly related to
881 use of __mf_pthread_info array.
882 (pthread_join, _exit): New hook functions.
883 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
884 * testsuite/libmudflap.cth/pass40-frag.c: New test.
887 * mf-heuristics.c: Add type casts for tracing, sub calls.
888 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
889 Update all callers to declare explicit result holder.
890 (END_PROTECT): Removed.
891 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
893 2003-07-15 Diego Novillo <dnovillo@redhat.com>
895 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
896 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
897 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
899 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
901 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
903 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
904 Move these macros from old mf-hooks.c here.
905 * Makefile.am: Adapt to split-up hook sources for faster builds.
906 * Makefile.in: Regenerated.
908 * mf-heuristics.c: Remove #if-0 block.
910 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
911 (__mf_starting_p): New state only for use while dlsym bootstrapping.
912 (CALL_REAL, __mf_init): Corresponding changes.
913 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
914 all callers to remove redundant "mf:" prefix.
915 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
916 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
917 (__mf_pthread_info): Become a hash table.
919 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
920 "dg-repetitions" directives to control test case execution.
921 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
923 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
925 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
927 * mf-hooks.c (alloca): Separate into stub.
928 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
929 malloc/free for alloca blocks.
930 (pthread_create): Tolerate failing pthread_attr_get* calls.
931 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
932 * mf-impl.h (CALL_WRAP): Remove macro.
933 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
934 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
935 padding for ia64 BIT_FIELD_REF constructs.
937 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
939 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
940 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
941 libmudflap object type.
942 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
943 crashes on unregistering STATIC objects.
945 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
947 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
948 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
949 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
950 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
951 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
952 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
953 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
954 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
955 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
956 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
957 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
958 (accept, bind, connect, gethostname, sethostname): New hooks.
959 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
960 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
961 (semop, semctl, shmctl, shmat, shmdt): New hooks.
962 * mf-runtime.h.in: Corresponding changes.
963 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
964 (opts) Rename heur_argv_environ to heur_std_data.
965 (__mf_wrap_main): Use STATIC type for argv/environ strings.
966 * Makefile.am: Corresponding changes.
967 * Makefile.in: Regenerated.
969 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
971 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
972 heuristic for threaded case, and for non-x86-linux targets.
973 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
974 for use during pre-main() program startup.
975 (__mf_0fn_*): Make these functions non-static.
976 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
978 * mf-runtime.c (__mf_state): Set initial state to "starting".
979 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
980 (__wrap_main): New function to register argv[] and environ[] strings.
982 (*): In all trace functions, use "%p" as formatter for uintptr_t.
984 * testsuite/libmudflap.c/pass38-frag.c: New test case.
985 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
987 * acinclude.m4: Add comments with aoliva's concerns about x86_64
989 * aclocal.m4, configure: Regenerated.
991 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
993 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
994 * aclocal.m4, configure: Regenerated.
996 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
998 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
999 for x86_64 target. Disable caching for this value.
1000 * aclocal.m4, configure: Regenerated.
1002 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
1004 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
1005 is about to become deprecated, and its present handling bugs are
1008 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
1010 * testsuite/libmudflap.c/pass38-frag.c: New test for
1013 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1015 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
1016 __mf_report, asserting reentrant calling context.
1018 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1020 * mf-hooks.c (realloc): Correct reentrancy logic.
1021 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
1023 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
1025 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
1026 PTHREAD_THREADS_MAX. Update users.
1027 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
1029 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
1030 with libmudflapth presence indicator.
1031 * testsuite/Makefile.in: Regenerated.
1033 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
1035 * Makefile.am (AM_CFLAGS): Remove "-ansi".
1036 * configure.in: Remove silly no-pthreads => no-shared logic.
1037 * Makefile.in, configure: Regenerated.
1038 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
1039 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
1040 code. Count reentrancy events.
1041 (all hook functions): Don't directly manipulate __mf_state variable.
1042 Add TRACE calls to hook functions without them.
1043 * mf-impl.h (LOCKTH): Try to count lock contention events.
1044 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
1045 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
1046 Reorganize reentrancy code.
1047 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
1048 identify reentrancy with mutex holding times.
1049 (internal __mfu_ entry points): Remove internal reentrancy code.
1050 (__mf_init): Use ordinary locked calls.
1051 (__mfu_report): Print the two new counts.
1052 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
1053 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
1054 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
1055 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
1058 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
1060 * configure.in: Add pthread support, plus glibc and porting hacks.
1061 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
1062 from objects built into ./pth/.
1063 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
1064 functions for internal entry points. Update callers to pick
1065 locked vs. unlocked variants.
1066 (__mf_resolve_single_dynamic): Extend to support symbol versioning
1067 info coming in from a static data structure.
1068 (*): Reorder miscellaneous declarations to group data vs functions.
1069 (__mf_set_default_options): Simplify.
1070 (__mf_usage): Mention threading status of host executable.
1071 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
1072 decls to match above.
1073 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
1074 * mf-heuristics.c: Choose between locked/unlocked calls. Add
1075 some lock/unlock markers. Remove some unused code.
1077 (pthread_create): New hook function.
1078 (__mf_pthread_cleanup, _spawner): New helper functions.
1079 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
1081 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
1083 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
1085 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
1087 * Makefile.am (HOOKOBJS): Add *time related hooks.
1088 * configure.in: Look for pthreads.h header.
1089 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
1090 * mf-runtime.c: Begin sketching some pthreads support.
1091 (__mf_usage): Check for -lpthread presence.
1092 (__mf_unregister): Confirm matching unregistration base.
1093 (__mf_find_objects_rec): Reduce unnecessary recursion.
1094 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
1095 #defines for new hook functions.
1096 * mf-impl.h: Corresponding changes.
1097 * config.h.in, configure, Makefile.in: Regenerated.
1099 2002-04-27 Diego Novillo <dnovillo@redhat.com>
1101 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
1102 modifiers to prevent being optimized away.
1103 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
1104 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1105 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
1106 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1107 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
1108 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
1109 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
1111 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1113 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1114 * configure.in: Look for uintptr_t and -ldl on target.
1115 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1116 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1117 * testsuite/Makefile.in: Regenerated.
1118 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1119 for better C compliance.
1121 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1123 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1125 * mf-runtime.c (__mf_set_default_options): Turn off
1126 check-initialization.
1127 (__mf_describe_object): Shorten description.
1128 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1130 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
1132 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1134 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
1136 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1138 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1139 * mf-impl.h (CALL_BACKUP): New macros.
1140 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1142 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
1144 * Makefile.am (AM_CFLAGS): Remove optimization flags.
1145 (HOOKOBJS): Remove dlopen hook.
1146 (libmudflap_la_LIBADD): Add -ldl.
1147 * mf-hooks.c (dlopen): Remove hook.
1148 * mf-impl.h (__mf_dynamic): Ditto.
1149 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1150 * Makefile.in: Regenerated.
1152 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
1154 * configure.in: Check for target gettimeofday, signal, some headers.
1155 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
1156 out inop multi_threaded field.
1157 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1158 (__mf_set_options): Correct handling of "-help".
1159 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1160 (__mf_check, __mf_register, __mf_unregister): Call it.
1161 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1162 (__mf_report_leaks): Make callable
1163 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
1164 distribution statistics.
1165 (__mf_adapt_cache): Rewrite shift guessing logic based on address
1167 * config.h.in, configure: Regenerated.
1168 * testsuite/libmudflap.c/fail27-frag.c: New test.
1169 * testsuite/libmudflap.c/pass36-frag.c: New test.
1171 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
1173 * mf-runtime.h.in: Tweak.
1174 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1175 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1176 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1178 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1180 * configure.in: Tweak generation of mf-runtime.h some more. It
1181 needs to work from both config.status and configure.
1182 * configure: Regenerated.
1184 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1186 * Makefile.am: Reorganize hook file building. Add auto dependencies.
1187 * configure.in: Tweak generation of mf-runtime.h.
1188 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1189 * mf-hooks.c (*): Adapt to initialized-heap object type.
1190 * mf-impl.h: Tweak cemetary boundaries.
1191 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1193 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1194 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1195 * testsuite/lib/libmudflap.exp (includes): Include build tree.
1196 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1198 * testsuite/.../fail{25,26}-frag.c: New tests.
1199 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1200 * Makefile.in, configure: Regenerated.
1202 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1204 * mf-runtime.c (__mf_set_default_options): Turn on initialization
1205 checking by default.
1206 (__mf_insert_new_object): As a temporary hack, assume that new
1207 objects registered on the stack start out initialized.
1208 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1209 heap objects by hand.
1211 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1213 Switch to macro-style hooks for str*/mem*/b* functions.
1214 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1215 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1216 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1217 (__mf_set_default_options): Turn off heur_proc_map.
1218 (*): Adapt to to macro-style hook functions.
1219 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1220 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1221 (__mf_violation): Handle __MF_VIOL_WATCH.
1222 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1223 (__mf_dynamic): Removed mem*/str*/b* functions.
1224 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1225 (WRAPPER2): New macro for macro-style hooks.
1226 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1228 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1229 * mf-heuristics.c: Adapt to macro-style hook functions.
1230 Correct some comments.
1231 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1232 output pattern tests.
1233 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1234 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1236 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1238 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1239 for global array registration.
1240 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1241 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1243 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1245 * Makefile.am: Add gross make bug workarounds. Tweaked
1246 SUBDIRS and AM_CFLAGS.
1247 * Makefile.in: Regenerated.
1249 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1252 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1253 * Makefile.am (TESTS): Remove simple automake testing.
1254 * configure, Makefile.in: Regenerated.
1255 (SUBDIRS): Include new testsuite/ directory.
1256 * tests/*: Removed all files; moved bulk under:
1257 * testsuite/*: New subdirectory tree.
1258 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1259 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1260 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1261 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1262 * testsuite/config/default.exp: New file.
1263 * testsuite/Makefile.am, Makefile.in: New files.
1265 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1267 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1268 (TESTS): Add fail22 and pass29 tests.
1269 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1270 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1271 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1272 values. Move __MF_VIOL* here.
1273 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1274 (check_initialization): New field in __mf_opts. Default off.
1275 (read_count,write_count): New fields in __mf_object.
1276 (__mf_check): Implement basic initialization checking.
1277 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1278 (__mf_describe_object): Print new fields.
1279 (__mf_violation): Identify check/read vs. check/write in messages.
1280 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1281 "-check-initialized" mudflap option.
1282 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1283 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1284 Drop __FILE__/__LINE__ hack. Update callers.
1285 (*): Adapt to new mf-runtime.h API.
1286 * Makefile.in: regenerated.
1288 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1290 * configure.in: Build mf-runtime.h a more proper way.
1291 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1292 * mf-runtime.c (verbose_violations): Turn on by default.
1293 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1294 * mf-impl.h: ... and move it here.
1295 * configure: Regenerated.
1297 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1299 * configure.in: Look for C++ compiler.
1300 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1301 fixed type warnings when built with C++.
1302 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1303 * Makefile.am (TESTS): Run them.
1304 (*) Add new rules for building and running C++ tests.
1305 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1306 * mf-runtime.h.in: Protect with extern "C".
1307 * Makefile, configure: Regenerated.
1309 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1311 Portability improvements.
1312 * configure.in: Look for glibc backtrace headers/functions.
1313 * mf-hooks.c: Don't include <execinfo.h> any more.
1314 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1316 (__mf_backtrace): Provide alternate baby implementation in
1318 * test/mf-driver.c: Portability tweaks.
1319 * acinclude.m4: New file, containing top level libtool.m4.
1320 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1322 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1324 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1326 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1328 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1330 (__mf_unregister): Implement stack/heap object wiping.
1331 (__mf_set_options): Renamed from __mf_process_opts.
1332 (__mf_uncache_object): Change arg type, correct callers.
1333 * mf-impl.h: Corresponding changes.
1334 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1335 * mf-runtime.h.in (__mf_set_options): Extend public API.
1336 * test/pass26-frag.c: New test for stack wiping.
1337 * Makefile.am (TESTS): Run it.
1338 * Makefile.in: Regenerated.
1340 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1342 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1343 * mf-runtime.c (__mf_object_t): Add watching_p field.
1344 (__mf_watch_or_not): New function to implement
1345 object watch flagging.
1346 (__mf_watch, __mf_unwatch): New wrappers for above.
1347 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1348 (__mf_count_violation): Enlarge array.
1349 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1350 unlink object. Clear cache properly.
1351 (__mf_unregister): Unlink object explicitly before uncaching.
1352 * test/fail21-frag.c, pass25-frag.c: New tests.
1353 * Makefile.in, aclocal.m4: Regenerated.
1355 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1357 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1358 * Makefile.am (TESTS): Add it.
1359 * test/pass-stratcliff.c: Add decls of stpcpy.
1360 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1361 build tree from config.h and new file mf-runtime.h.in.
1362 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1363 * Makefile.in, configure, config.h.in: Regenerated.
1364 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1365 * mf-runtime.c (options, __mf_set_default_options): Support new
1366 default "abbreviate" option.
1367 (__mf_object.description_epoch): New field.
1368 (__mf_describe_object): Conditionally abbreviate objects already
1369 displayed in current epoch. Accept NULL input to increment epoch.
1370 (__mf_fini, __mf_ini): Reset description epoch.
1371 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1372 that NULL pointer slot in lookup cache is invalidated. Register a
1373 NOACCESS region around NULL.
1374 * mf-impl.h: Corresponding changes.
1376 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1378 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1379 * Makefile.am: Run them. Install mf-runtime.h.
1380 * Makefile.in: Regenerated.
1381 * mf-hooks.c: Add some markers for more missing functions.
1382 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1383 statistic to tune tune cache size (mask).
1385 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1387 * test/pass23-frag.c: New test for bit_field_ref expressions.
1388 * Makefile.am, Makefile.in: Add new test.
1389 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1390 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1391 * mf-runtime.c (__mf_init): Register errno global.
1392 (__mf_find_object): Removed function.
1393 (__mf_check): Rewrite logic to support accesses across some
1394 contiguous but distinctly registered objects.
1395 (__mf_remove_old_object): Tolerate cache entries that span
1398 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1400 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1401 * Makefile.am, Makefile.in: Run new tests.
1402 * mf-hooks.c (alloca): Correct stack direction logic.
1404 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1406 * mf-impl.h (adapt_cache): New option.
1407 * mf-runtime.c (__mf_set_default_options): Set its default value.
1408 Tweak the tree_aging parameter down.
1409 (__mf_check): Maintain separate counter for cache-adaptation.
1410 (__mf_tree_analyze): New function to collect object tree stats.
1411 (__mf_adapt_cache): New function to automate cache parameters.
1413 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1415 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1416 hypothetical #if-0'd argv/envp region registration.
1417 * mf-runtime.c (__mf_init): Add kludged form of above.
1418 (*) Add "heur_argv_environ" flag, default on, to govern this.
1419 * mf-impl.h: Corresponding changes.
1421 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1423 * test/fail18-frag.c: New test file for NOACCESS regions.
1424 * Makefile.am (TESTS): Add new test.
1425 * Makefile.in: Regenerated.
1427 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1428 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1429 (optimize_object_tree): Remove unused mudflap_option.
1430 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1431 support throughout. Use .._MAX_CEM for cemetary upper bound.
1432 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1434 (__mf_object): Add new liveness field for use by tree aging.
1435 (__mf_check): Trigger tree aging when needed.
1436 (__mf_age_tree): New function to decay liveness field.
1437 (__mf_find_objects_rec): Use liveness field to rotate tree.
1438 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1439 (__mf_unregister): Ditto.
1440 (__mf_register): Tweak duplicate-static message.
1441 (__mf_violation: Tweak nearby-object counter printing.
1443 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1445 * test/pass20-frag.c: New test file.
1446 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1447 * Makefile.in: Regenerated.
1449 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1450 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1451 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1452 entries to avoid repeat registration.
1453 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1454 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1456 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1458 * Makefile.am: Create test sources with #include, not cat>>.
1459 * Makefile.in: Regenerated.
1460 * test/buildtest.sh: Removed.
1461 * test/driver.c (abort_handler, main): Be quiet.
1463 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1465 * test/pass18-frag.c, pass19-frag.c: New tests.
1466 * Makefile.am (check): Run them. Rebuild test programs each time.
1467 * Makefile.in: Regenerated.
1469 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1471 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1472 overlapping object search.
1473 (__mf_violation): Likewise for nearby objects.
1474 Improve nearby-object listing.
1477 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1478 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1480 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1483 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1484 (HOOKOBJS): Add alloca-hook.o.
1485 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1487 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1488 (__mf_backtrace): Reimplement without using alloca.
1489 * Makefile.in: Regenerated.
1492 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1493 Correct signedness bugs in length-tracking variables.
1494 * mf-impl.h: Make options unsigned.
1495 (CALL_WRAP): New macro to parallel CALL_REAL().
1496 (DECLARE): Remove erroneous ";" at end.
1497 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1498 formatting specs with %08lx. Correct several compiler warnings.
1500 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1502 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1504 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1506 libmudflap hook breakup:
1507 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1509 (TESTS): Make dependent on libmudflap.
1510 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1511 compiled from segments of mf-hooks.c.
1512 * mf-hooks.c: Corresponding changes: wrap each function in
1514 * Makefile.in: Regenerated.
1516 Heuristics reorganization:
1517 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1518 Remove these functions. Update callers.
1519 (__mf_heuristic_check): Incorporate all the various heuristics.
1520 Encode cacheability/retry judgement into trinary return value.
1521 Separate start-end logic into a separate fallback heuristic. Only
1522 register relevant /proc/self/map segments.
1523 * mf-impl.h: Corresponding changes.
1524 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1525 (__mf_init): Don't call __mf_init_heuristics.
1528 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1529 "-verbose-trace" to emit all tracing messages other than those of
1530 basic public api. Eliminate some duplicate/excessive messages.
1531 * mf-runtime.h: Corresponding changes.
1533 2002-08-27 Graydon Hoare <graydon@redhat.com>
1535 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1536 and __real when compiled with -DPIC.
1537 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1538 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1539 * Makefile.in: Regenerate.
1541 2002-08-26 Graydon Hoare <graydon@redhat.com>
1543 * mf-impl.h: New file, private implementation header.
1544 * mf-runtime.h: Reorganize a bit.
1545 (CLAMPSZ): Fix arithmetic.
1546 (__MF_CACHE_MISS_P): Fix arithmetic.
1547 * mf-runtime.c: Reorganize a bit.
1548 (__mf_dynamic): New structure.
1549 (resolve_single_dynamic): New function.
1550 (__mf_resolve_dynamics): New function.
1551 (__mf_init): Initialize dynamic wrappers.
1552 * mf-hooks.c: Macro-ize __real calls.
1553 Clamp various bits of arithmetic.
1554 Add explicit __mf_check call contexts.
1555 * Makefile.am: Add dependencies on mf-impl.h
1556 * Makefile.in: Regenerate.
1557 * configure.in: Comment out shared override.
1558 * configure: Regenerate.
1560 2002-08-22 Graydon Hoare <graydon@redhat.com>
1562 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1563 (__mf_check): Re-inialize and check heuristics before violation.
1564 (__mf_register): Permit updating pure-guess regions.
1565 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1566 (__wrap_dlopen): New wrapper function.
1567 (__wrap_mmap): New wrapper function.
1568 (__wrap_munmap): New wrapper function.
1569 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1570 which are not stack addresses.
1571 (is_stack_address): New function.
1572 (__mf_init_heuristics): Save and restore state, always initialize with
1575 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1577 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1578 error. Pass location string.
1579 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1580 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1581 (__mf_process_opts): Apply some sanity checking for lc-mask.
1582 (__mf_check, __mf_violation): Take new location-string argument.
1583 Update callers to pass NULL if necessary.
1584 (__mf_backtrace): New smart backtracer function. Calls replace
1585 several ad-hoc blocks elsewhere.
1586 (__mf_describe_object): Remove bad reentrancy test. Improve
1588 * mf-runtime.h: Corresponding changes. Public/private markup.
1589 (__MF_CACHE_MISS_P): New macro.
1591 2002-08-20 Graydon Hoare <graydon@redhat.com>
1593 * mf-runtime.h: New option: stack_bound (heuristic).
1594 Move some macros out of implementation files.
1595 * mf-runtime.c: New option string: -stack-bound.
1596 Unify recursion protection with hooks.
1598 (__mf_check): Call __mf_heuristic_check.
1599 (__mf_process_opts): Fix "no-" processing.
1600 * mf-heuristics.c (__mf_heuristic_check): New function.
1601 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1603 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1605 Option parsing improvements, region splitting bug fixes:
1606 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1607 * mf-runtime.h (heur_proc_map): New libmudflap option.
1608 * mf-runtime.c (__mf_set_default_options): Set it.
1609 (__mf_usage): Print default values/status.
1610 (__mf_process_opts): Support general "no-" option string prefix.
1611 (__mf_init): Print __mf_usage on unknown-option error.
1612 (__mf_register): Print trace message up front.
1613 Correct region splitting logic for case where a subregion disappears.
1614 Correct memory leak.
1615 (__mf_violation): Make even basic message conditional on option.
1618 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1619 (clean-local): New target.
1620 (test/*x rules): Add -g CFLAGS.
1621 (CFLAGS): Add -freorder-blocks.
1622 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1623 * Makefile.in: Regenerated.
1624 * Makefile, mf-config.h: Removed files.
1626 2002-08-16 Graydon Hoare <graydon@redhat.com>
1628 * mf-runtime.c (__mf_insert_new_object): Factor out of
1630 (__mf_remove_old_object): Factor out of __mf_unregister.
1631 (__mf_register): Handle guessed regions, splitting
1632 guesses when new registrations arrive.
1633 (__mf_unregister): Do not unregister guesses.
1634 * mf-runtime.h: Move convenience macros around,
1635 declare new option fields. Add __MF_TYPE_GUESS.
1636 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1637 (__wrap_free): Call __real_free for deferred frees.
1638 * Makefile.am: Add more tests, fix dependency.
1639 * Makefile.in: Regenerate.
1640 * test/pass[13..17]-frag.c: New testcases.
1641 * test/fail[13..17]-frag.c: New testcases.
1643 2002-08-15 Graydon Hoare <graydon@redhat.com>
1645 * mf-heuristics.c: New file.
1646 * mf-runtime.c (options): Add -trace-calls option.
1647 (__mf_init): Call __mf_init_heuristics.
1649 2002-08-14 Graydon Hoare <graydon@redhat.com>
1651 * Makefile.am (TESTS): Add testsuite support.
1652 * Makefile.in: Regenerate.
1653 * test/mf-driver.c: New file.
1654 * test/buildtest.sh: New file.
1655 * test/passNN-frag.c: New testcases.
1656 * test/failNN-frag.c: New testcases.
1658 2002-08-14 Graydon Hoare <graydon@redhat.com>
1660 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1661 verifying non-size-limited string extents.
1663 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1665 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1666 instead of plain str[n]len for internal checks.
1667 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1669 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1671 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1673 2002-08-13 Graydon Hoare <graydon@redhat.com>
1675 * mf-runtime.c: Rework configuration to operate on
1676 environment variable options rather than #defines
1677 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1678 (__mf_init): Set static __mf_active_p flag on startup,
1679 to inhibit mudflap wrap-based checking during crt0.s.
1680 * mf-runtime.h: Declare options structure.
1681 * mf-hooks.c: New wrappings for mem*, b*, str*
1682 libc functions (temporarily #if 0-ed out).
1684 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1686 * Makefile.am, configure.in: New files.
1687 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1688 * stamp-h.in, aclocal.m4: Ditto.
1690 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1692 * Makefile: New file.
1693 * mf-config.h: New file: runtime configuration.
1694 * mf-hooks.c: New file: interposed libc functions.
1695 * mf-runtime.c: New file: bulk of runtime.
1696 * mf-runtime.h: New file: public functions.