| blob | be52732ee7653c6138606aca5d46772fdd3d8d29 |
1 2007-10-15 Maciej W. Rozycki <macro@linux-mips.org>
3 * configure: Regenerate following changes to ../config/tls.m4.
5 2007-07-26 Tom Tromey <tromey@redhat.com>
7 * Makefile.in: Rebuilt.
8 * Makefile.am (clean-local): Removed.
9 (pth/mf-runtime.lo, pth/mf-heuristics.lo, pth/mf-hooks1.lo,
10 pth/mf-hooks2.lo, pth/mf-hooks3.lo): Likewise.
11 (libmudflapth_la_SOURCES): List sources.
12 (libmudflapth_la_LIBADD): Clear.
13 (libmudflapth_la_CFLAGS): New variable.
15 2007-07-05 H.J. Lu <hongjiu.lu@intel.com>
17 * aclocal.m4: Regenerated.
19 2007-06-02 Paolo Bonzini <bonzini@gnu.org>
21 * configure: Regenerate.
23 2007-05-31 Frank Ch. Eigler <fche@redhat.com>
25 From Andi Kleen <ak@suse.de>:
26 * mf-runtime.c (options): Rename structure for compatibility with
27 glibc getopt_long.
29 2007-05-23 Steve Ellcey <sje@cup.hp.com>
31 * Makefile.in: Regenerate.
32 * configure: Regenerate.
33 * aclocal.m4: Regenerate.
34 * testsuite/Makefile.in: Regenerate.
36 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
38 * testsuite/libmudflap.cth/pass59-frag.c (main): Fix casting of arg.
40 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
42 * Makefile.am: Add dummy install-pdf target.
43 * Makefile.in: Regenerate
45 2007-02-07 Jakub Jelinek <jakub@redhat.com>
47 PR libgomp/28468
48 * configure: Regenerate.
50 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
52 * configure: Regenerate.
54 2006-11-13 Daniel Jacobowitz <dan@codesourcery.com>
56 * configure: Regenerated.
58 2006-11-10 Frank Ch. Eigler <fche@redhat.com>
60 PR libmudflap/28578
61 * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
62 static but not function scope static.
63 (free): Skip deallocation attempts for objects placed into
64 bootstrap buffers.
65 * testsuite/libmudflap.cth/pass59-frag.c: New test.
67 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
69 From Herman ten Brugge <hermantenbrugge@home.nl>:
70 * mf-runtime.c (__mf_uncache_object): Optimize the code so that
71 small and large objects are handled a lot faster.
73 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
75 * configure.ac (__libc_freeres): Look for it.
76 * mf-impl.h (call_libc_freeres): New configuration flag.
77 * mf-runtime.c (__mf_set_default_options): Set it by default.
78 (__mfu_report): Call it if needed.
79 (__mfu_unregister): Remove "unaccessed registered object" warning.
80 * configure, config.h.in: Regenerated.
82 2006-09-18 Tom Tromey <tromey@redhat.com>
84 * configure: Rebuilt.
86 2006-06-21 Frank Ch. Eigler <fche@redhat.com>
88 PR 21274
89 mf-runtime.h installation based on ssp patch for PR 26473 from
90 Mark Mitchell <mark@codesourcery.com>.
91 * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
92 * Makefile.am (target_noncanonical): Define.
93 (libsubincludedir): New variable.
94 (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
95 (include_HEADERS): Remove.
96 * configure, aclocal.m4, config.h.in: Regenerated.
97 * Makefile.in, testsuite/Makefile.in: Likewise.
98 * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
99 and _THREAD_SAFE redefinition values.
101 2006-05-23 Carlos O'Donell <carlos@codesourcery.com>
103 * Makefile.am: Add install-html target. Add install-html to .PHONY
104 * Makefile.in: Regenerate.
106 2006-04-19 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
108 PR mudflap/26789
109 * testsuite/libmudflap.c++/error1-frag.cxx: New test.
111 PR mudflap/26790
112 * testsuite/libmudflap.c++/error2-frag.cxx: New test.
114 2006-04-10 Matthias Klose <doko@debian.org>
116 * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
117 directory names containing underscores.
119 2005-11-22 Janis Johnson <janis187@us.ibm.com>
121 * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
122 MUDFLAP_FLAGS if static library not supported.
123 * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
124 * testsuite/libmudflap.c/externs.exp: Ditto.
125 * testsuite/libmudflap.c++/ctors.exp: Ditto.
126 * testsuite/libmudflap.c++/c++frags.exp: Ditto.
127 * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
129 2005-10-04 James E Wilson <wilson@specifix.com>
131 * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
132 $name as array of characters with unknown bound. Also store into the
133 array.
134 * configure: Regenerate.
136 2005-09-30 James E. Wilson <wilson@specifix.com>
138 * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
139 AC_CHECK_HEADER.
140 (target_thread_file): New. Set from sed'ed gcc output.
141 (posix_threads): New. Set from target_thread_file. Use instead of
142 ac_have_pthread_h.
143 (pthread_create_version): Move initialization before code using it.
144 * configure: Regenerate.
146 * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
147 bounds.
149 2005-09-29 James E. Wilson <wilson@specifix.com>
151 * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
152 with HAVE_MMAP ifdef.
154 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
156 PR 23084.
157 * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
159 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
161 * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
163 2005-09-23 Tom Tromey <tromey@redhat.com>
165 * aclocal.m4, configure: Rebuilt.
166 * configure.ac: Use GCC_CHECK_TLS.
167 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
168 to ../config.
170 2005-08-22 Jim Wilson <wilson@specifix.com>
172 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
173 __FreeBSD__ is defined.
175 2005-08-17 Jim Wilson <wilson@specifix.com>
177 * mf-hooks1.c (malloc, calloc, realloc, free,
178 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
179 the real routines, and END_MALLOC_PROTECT afterwards.
180 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
181 (BEGIN_PROTECT): Handle in_malloc state.
182 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
183 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
185 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
187 * All files: Update FSF address.
189 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
191 * mf-hooks3.c (main_seen_p): Remove.
192 (__mf_get_state): Remove attempt to recognize the main thread.
194 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
196 * configure.ac: Test for the name of the symbol used for the entry
197 point; define ENTRY_POINT to the result.
198 * configure: Regenerate.
199 * config.h.in: Regenerate.
200 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
202 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
204 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
205 (__mf_init): Set thread state active.
206 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
207 state active.
208 (pthread_create wrapper): Always use thread spawner.
210 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
211 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
213 2005-07-16 Richard Henderson <rth@redhat.com>
215 * acinclude.m4: New file.
216 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
217 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
218 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
219 (__mf_0fn_calloc): ... here.
220 * mf-hooks3.c (struct pthread_info): Remove.
221 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
222 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
223 (struct mf_thread_data): New.
224 (mf_thread_data, mf_thread_data_lock): New.
225 (__mf_allocate_blank_threadinfo): Remove.
226 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
227 not available.
228 (__mf_state_perthread): Remove.
229 (__mf_get_state, __mf_set_state): New.
230 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
231 Update mf_thread_data killing procedure.
232 (__mf_pthread_spawner): Similarly.
233 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
234 code to allocate thread stack space.
235 (__mf_0fn_pthread_join, pthread_join): Remove.
236 (__mf_0fn_pthread_exit, pthread_exit): Remove.
237 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
238 (__mf_state_1): Rename from __mf_state; use TLS when available.
239 (__mf_get_state, __mf_set_state): New. Update all users.
240 * mf-runtime.c (begin_recursion_protect1): New.
241 (BEGIN_RECURSION_PROTECT): Use it.
242 (__mf_state_1): Rename from __mf_state; use TLS when available.
243 (threads_active_p): Remove.
244 (__mf_usage): Compute it directly.
246 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
248 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
250 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
252 Fix for uncaching bug reported by Herman ten Brugge.
253 * mf-runtime.c (__mf_uncache_object): Search whole cache.
254 * testsuite/libmudflap.c/fail40-frag.c: New test.
256 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
258 PR libmudflap/21724
259 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
260 * Makefile.in: Amend.
262 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
264 PR mudflap/21023
265 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
266 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
268 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
270 PR libmudflap/21094
271 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
273 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
275 PR mudflap/22064
276 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
277 unsigned vars with #defines instead of enums.
279 2005-05-09 Mike Stump <mrs@apple.com>
281 * configure: Regenerate.
283 2005-04-12 Mike Stump <mrs@apple.com>
285 * configure: Regenerate.
287 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
289 PR mudflap/19266
290 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
291 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
293 2005-04-04 Alan Modra <amodra@bigpond.net.au>
295 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
297 2005-03-31 Mike Stump <mrs@apple.com>
299 * mf-runtime.h: Add libmudflap copyright clause.
301 2005-03-21 Mike Stump <mrs@apple.com>
303 * mf-heuristics.c: Fix whitespace at end of line.
304 * mf-hooks1.c: Likewise.
305 * mf-hooks2.c: Likewise.
306 * mf-hooks3.c: Likewise.
307 * mf-impl.h: Likewise.
308 * mf-runtime.c: Likewise.
309 * mf-runtime.h: Likewise.
311 2005-03-21 Zack Weinberg <zack@codesourcery.com>
313 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
314 In all substitutions, expand gcc_version in Makefile.
315 * aclocal.m4, configure: Regenerate.
316 * Makefile.am: Set gcc_version.
317 * Makefile.in, testsuite/Makefile.in: Regenerate.
319 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
321 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
322 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
324 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
326 PR mudflap/19319
327 * testsuite/libmudflap.c++/pass55-frag.c: New test.
329 2005-01-05 Richard Henderson <rth@redhat.com>
331 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
333 2005-01-02 Greg McGary <greg@mcgary.org>
335 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
336 * mf-runtime.h: New file, replaces mf-runtime.h.in.
337 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
338 * Makefile.in: Ditto.
339 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
340 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
341 * testsuite/libmudflap.c/fail36-frag.c: New test.
342 * testsuite/libmudflap.c/fail37-frag.c: New test.
343 * testsuite/libmudflap.c/fail38-frag.c: New test.
345 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
347 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
348 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
350 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
352 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
353 * aclocal.m4: Include ../config/gcc-version.m4.
354 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
356 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
358 * Makefile.am: Define ACLOCAL_AMFLAGS.
359 * acinclude.m4: Remove.
360 * stamp-h.in: Remove superfluous stamp file.
361 * aclocal.m4, configure, Makefile.in: Regenerate.
362 * testsuite/Makefile.in: Likewise.
364 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
366 * Makefile.am: Revert previous.
367 * acinclude.m4: Restore.
368 * aclocal.m4, configure, Makefile.in: Regenerate.
369 * testsuite/Makefile.in: Likewise.
371 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
373 * Makefile.am: Define ACLOCAL_AMFLAGS.
374 * acinclude.m4: Remove.
375 * aclocal.m4, configure, Makefile.in: Regenerate.
376 * testsuite/Makefile.in: Likewise.
378 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
380 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
382 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
384 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
385 * testsuite/Makefile.in: Likewise.
387 2004-11-01 Andreas Schwab <schwab@suse.de>
389 * configure.ac: (target_alias): Default to $host_alias, not
390 $target.
391 * configure: Regenerated.
393 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
395 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
396 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
397 message.
399 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
401 PR other/18138
402 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
404 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
406 * configure.ac: Check for more headers, functions.
407 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
408 tracking overridden FILE buffers.
409 (fopen, setvbuf): New/revised hook functions for buffer overriding.
410 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
411 (fflush): Accept given NULL stream (means "all streams").
412 * mf-runtime.h.in:
413 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
414 HEAP/GUESS objects.
415 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
416 (__mf_adapt_cache): Use them all.
417 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
418 * testsuite/libmudflap.c++/ctors.exp: Ditto.
419 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
420 * configure, config.h.in: Regenerated.
422 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
424 * configure.ac: Checking for sys/socket.h once is enough.
425 * configure: Regenerated.
427 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
429 * configure.ac: Look for more headers & functions.
430 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
431 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
432 * mf-runtime.c (options): Clean up integer signedness warnings.
433 (main): Add a declaration to fix a warning.
434 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
435 * configure, config.h.in: Regenerated.
437 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
439 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
440 New tests for proper base/limit checking for aggregates.
442 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
444 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
446 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
448 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
449 * mf-hooks2.c (strerror): Unregister previous string returned by
450 previous strerror.
451 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
452 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
453 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
454 * mf-runtime.c (__mf_describe_object): Clarify object life status.
455 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
456 New tests.
457 * configure, config.h.in: Regenerated.
459 2004-08-03 Dale Johannesen <dalej@apple.com>
461 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
463 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
465 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
466 simplified contents in all former callers.
468 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
470 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
471 the statically linked case.
473 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
475 * splay-tree.[ch]: Remove. Merge contents into ...
476 * mf-runtime.c: ... here, renaming symbols and making all functions
477 static. Remove unused min/max functions.
478 * Makefile.am: Forget about splay-tree.[ch].
479 * Makefile.in, testsuite/Makefile.in: Regenerated.
481 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
483 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
484 (__mfu_usage): Include (C) 2004.
485 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
486 here. Include a comment explaining why.
488 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
490 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
491 * mf-runtime.c (options): Give them a name.
492 (__mf_set_default_options): Set them.
493 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
494 (__mf_violation): Warning cleanup.
495 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
496 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
498 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
500 g++/15861
501 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
502 repeated invocation.
504 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
506 Test case for g++/15861
507 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
508 * testsuite/libmudflap.c++/ctors.exp: Driver.
509 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
510 Look only for *frag* test cases.
512 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
514 ANSI C conversion, libmudflap specialization, recursion limiting.
515 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
516 argument and indirection function pointers, update callers.
517 (splay_tree_s): Add statistics and recursion control fields
518 num_keys, max_depth, depth, rebalance_p.
519 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
520 Back out of search if it exceeds limit.
521 (splay_tree_splay): Manage recursion limiting with rebalancing as
522 needed.
523 (splay_tree_new): More initialization.
524 (splay_tree_rebalance): New function.
525 (splay_tree_foreach): Rewrite using nonrecursive logic.
526 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
527 Remove. Point indirect calls to mf-runtime.c's routines.
528 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
529 functions.
530 (splay_tree_delete, splay_tree_delete_helper): Ditto.
531 * testsuite/heap-scalestress.c: New test based on one from
532 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
534 2004-07-05 Matthias Klose <doko@debian.org>
536 * libtool-version: New.
537 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
538 Use -version-info for soname.
539 * Makefile.in: Regenerate.
540 * configure.ac: Remove libtool_VERSION macro
541 * configure: Regenerate
543 2004-07-05 Zack Weinberg <zack@codesourcery.com>
545 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
546 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
547 #ifndef _MUDFLAP.
549 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
551 Splay tree implementation fork.
552 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
553 Use hard-coded comparison function for uintptr_t. Remove key/value
554 deallocation logic. Cache last splayed key for consecutive lookups.
555 * Makefile.am, Makefile.in: Use them, don't link to them.
556 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
557 (__mf_find_objects2): Flip successor/predecessor search sequence.
558 * ansidecl.h, libiberty.h: Removed dummy files.
560 2004-06-29 Nick Clifton <nickc@redhat.com>
562 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
563 * configure: Regenerate.
564 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
565 HAVE_DIRENT_H.
566 Remove spurious inclusion of <strings.h>.
568 2004-06-29 Nick Clifton <nickc@redhat.com>
570 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
571 function actually exists.
573 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
575 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
576 * config.h.in: Regenerated.
578 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
580 Adopt splay trees for object database.
581 * Makefile.am: Copy splay-tree.* from libiberty.
582 * Makefile.in, testsuite/Makefile.in: Regenerated.
583 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
584 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
585 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
586 * mf-runtime.c: Rewrite code dealing with object database to use
587 libiberty splay trees. Remove tree liveness aging option.
588 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
590 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
592 * configure.ac: New name of configure.in. Update
593 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
594 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
595 Autoconf 2.5x and Automake 1.7 or later.
596 * configure.in: Remove.
597 * configure: Regenerate.
599 * Makefile.am: Remove useless multilib rules.
600 * Makefile.in: Regenerate.
602 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
604 * .cvsignore: New file.
606 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
608 PR libmudflap/13505
609 * mf-hooks2.c (semctl): Add cygwin porting hack.
611 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
613 ctype support.
614 * configure.in: Look for ctype header and glibc implementation.
615 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
616 array hooks for glibc 2.3.
617 * mf-runtime.h.in: Wrap them.
618 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
619 implementations.
620 * testsuite/libmudflap.c/pass47-frag.c: New test.
621 * configure, config.h.in: Regenerated.
623 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
625 Portability improvements, e.g., libmudflap/15293.
626 * configure.in: Look for glibc extension functions. Look for
627 support of -f{function,data}-sections. Look for more headers.
628 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
629 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
630 mf-hooks* into usual single object per source.
631 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
632 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
633 if system doesn't provide one.
634 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
635 (pthread_create): Use it to properly GC dead thread stacks.
636 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
637 * testsuite/Makefile.am: Stop generating site.exp.
638 * testsuite/mfconfig.exp.in: New file.
639 * testsuite/config/default.exp: Load new mfconfig.exp.
640 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
641 (prune_gcc_output): Add glibc static linking warnings.
642 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
643 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
644 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
645 Regenerated with autoconf 2.57 and automake 1.7.
647 2004-06-04 Per Bothner <per@bothner.com>
649 * configure.in (LIBMUDFLAPTH): Fix thinko.
651 * configure.in: Check for more headers.
652 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
654 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
655 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
657 2004-06-01 Andreas Jaeger <aj@suse.de>
659 * configure.in: Handle multilibs, support
660 --enable-version-specific-runtime-libs.
661 * Makefile.am (lib_LTLIBRARIES): Rename to ...
662 (toolexeclib_LTLIBRARIES): this for multilib support.
663 * Makefile.in: Regenerated.
664 * configure: Regenerated.
665 * aclocal.m4: Regenerated.
666 * config.h.in: Regenerated.
667 * testsuite/Makefile.in: Regenerated.
669 2004-06-01 Andreas Jaeger <aj@suse.de>
671 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
672 multilibs, using multilib directory instead of hardcoded path.
673 Set LD_RUN_PATH.
675 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
677 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
678 * Makefile.in: Ditto.
680 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
682 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
683 * aclocal.m4, configure: Rebuilt.
685 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
687 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
688 import some build settings from libstdc++-v3 testsuite_flags.
689 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
690 changes to pass test language.
692 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
693 quicker mode-nop handling.
695 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
697 * mf-impl.h: Added libgcc license header.
699 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
701 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
702 Added libgcc license header.
703 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
704 (pthread_create): Simplify stack allocation syntax.
706 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
708 * mf-hooks2.c: Support FreeBSD.
709 (WRAP_gets): Avoid gets().
710 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
711 test unimplemented mem/str calls on FreeBSD.
712 * testsuite/libmudflap.c/pass21-frag.c: Do not include
713 <alloca.h> on FreeBSD.
715 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
717 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
718 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
719 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
720 flags for static linking permutation.
721 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
722 some pthreads code that croaks on linux glibc tls.
724 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
726 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
728 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
730 * testsuite/libmudflap.c/pass44-frag.c: New test.
732 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
734 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
736 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
738 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
740 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
742 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
744 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
746 PR libmudflap/12670
747 * configure.in: Add check for see if
748 socklen_t typedef is in sys/socket.h.
749 * mf-hooks1.c: Add define if socklen_t
750 is not typedef.
751 * mf-hooks2.c: Likewise.
752 * mf-hooks3.c: Likewise.
753 * config.h.in: Regen.
754 * configure: Regen.
756 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
758 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
759 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
760 optimizations.
761 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
762 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
763 (unoptimized) allocation of stack space.
765 2003-12-07 Richard Henderson <rth@redhat.com>
767 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
768 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
770 2003-12-06 Andrew Pinski <apinski@apple.com>
772 partial PR libmudflap/12670
773 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
774 * mf-hooks2.c: Likewise.
775 * mf-hooks3.c: Likewise.
777 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
779 libstdc++/11696
780 * mf-runtime.h.in: Switch to #pragma redefine_extname for
781 symbols interposed at compile time.
782 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
784 libmudflap/12939
785 * mf-hooks2.c (semctl): Tolerate FreeBSD.
787 * configure.in: Reorganize check for <pthread.h>.
788 * configure: Regenerated.
790 2003-11-04 David Edelsohn <edelsohn@gnu.org>
792 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
793 (_LARGE_FILE_API): Define for AIX.
794 * mf-hooks[123]: Same.
795 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
797 2003-10-21 David Edelsohn <edelsohn@gnu.org>
799 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
801 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
803 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
805 * configure.in: Update check for union semun.
807 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
809 PR other/11673
810 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
812 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
814 PR other/11673
815 * configure.in: Add checks for 64-bit LFS functions, struct semun
816 definition, for BSD compatibility.
817 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
818 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
819 * mf-hooks3.c: Ditto.
820 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
821 mmap flag.
822 * configure, config.h.in: Regenerated.
824 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
826 Multithreading fixes:
827 * mf-runtime.c (__mf_object): Store allocating/deallocating
828 thread id.
829 (options): Support new "-thread-stack" option.
830 Rename "-heur-argv-environ" option to "-heur-stdlib".
831 Disable "-lc-mask" and "-lc-shift" options.
832 (__mf_dynamic): Add function pointers for pthread_join/_exit.
833 (__assert_fail): New self-contained function for glibc.
834 * mf-hooks3.c: Essentially rewritten, particularly related to
835 use of __mf_pthread_info array.
836 (pthread_join, _exit): New hook functions.
837 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
838 * testsuite/libmudflap.cth/pass40-frag.c: New test.
840 Warning cleanups:
841 * mf-heuristics.c: Add type casts for tracing, sub calls.
842 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
843 Update all callers to declare explicit result holder.
844 (END_PROTECT): Removed.
845 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
847 2003-07-15 Diego Novillo <dnovillo@redhat.com>
849 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
850 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
851 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
853 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
855 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
856 * mf-hooks: Removed.
857 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
858 Move these macros from old mf-hooks.c here.
859 * Makefile.am: Adapt to split-up hook sources for faster builds.
860 * Makefile.in: Regenerated.
862 * mf-heuristics.c: Remove #if-0 block.
864 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
865 (__mf_starting_p): New state only for use while dlsym bootstrapping.
866 (CALL_REAL, __mf_init): Corresponding changes.
867 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
868 all callers to remove redundant "mf:" prefix.
869 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
870 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
871 (__mf_pthread_info): Become a hash table.
873 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
874 "dg-repetitions" directives to control test case execution.
875 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
876 options.
877 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
879 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
881 * mf-hooks.c (alloca): Separate into stub.
882 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
883 malloc/free for alloca blocks.
884 (pthread_create): Tolerate failing pthread_attr_get* calls.
885 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
886 * mf-impl.h (CALL_WRAP): Remove macro.
887 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
888 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
889 padding for ia64 BIT_FIELD_REF constructs.
891 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
893 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
894 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
895 libmudflap object type.
896 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
897 crashes on unregistering STATIC objects.
899 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
901 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
902 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
903 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
904 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
905 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
906 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
907 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
908 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
909 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
910 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
911 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
912 (accept, bind, connect, gethostname, sethostname): New hooks.
913 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
914 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
915 (semop, semctl, shmctl, shmat, shmdt): New hooks.
916 * mf-runtime.h.in: Corresponding changes.
917 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
918 (opts) Rename heur_argv_environ to heur_std_data.
919 (__mf_wrap_main): Use STATIC type for argv/environ strings.
920 * Makefile.am: Corresponding changes.
921 * Makefile.in: Regenerated.
923 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
925 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
926 heuristic for threaded case, and for non-x86-linux targets.
927 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
928 for use during pre-main() program startup.
929 (__mf_0fn_*): Make these functions non-static.
930 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
931 functions.
932 * mf-runtime.c (__mf_state): Set initial state to "starting".
933 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
934 (__wrap_main): New function to register argv[] and environ[] strings.
935 (__mf_ini): Call it.
936 (*): In all trace functions, use "%p" as formatter for uintptr_t.
938 * testsuite/libmudflap.c/pass38-frag.c: New test case.
939 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
941 * acinclude.m4: Add comments with aoliva's concerns about x86_64
942 pass_all.
943 * aclocal.m4, configure: Regenerated.
945 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
947 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
948 * aclocal.m4, configure: Regenerated.
950 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
952 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
953 for x86_64 target. Disable caching for this value.
954 * aclocal.m4, configure: Regenerated.
956 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
958 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
959 is about to become deprecated, and its present handling bugs are
960 unworthy of fixing.
962 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
964 * testsuite/libmudflap.c/pass38-frag.c: New test for
965 -fwritable-strings.
967 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
969 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
970 __mf_report, asserting reentrant calling context.
972 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
974 * mf-hooks.c (realloc): Correct reentrancy logic.
975 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
977 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
979 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
980 PTHREAD_THREADS_MAX. Update users.
981 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
982 for active options.
983 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
984 with libmudflapth presence indicator.
985 * testsuite/Makefile.in: Regenerated.
987 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
989 * Makefile.am (AM_CFLAGS): Remove "-ansi".
990 * configure.in: Remove silly no-pthreads => no-shared logic.
991 * Makefile.in, configure: Regenerated.
992 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
993 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
994 code. Count reentrancy events.
995 (all hook functions): Don't directly manipulate __mf_state variable.
996 Add TRACE calls to hook functions without them.
997 * mf-impl.h (LOCKTH): Try to count lock contention events.
998 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
999 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
1000 Reorganize reentrancy code.
1001 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
1002 identify reentrancy with mutex holding times.
1003 (internal __mfu_ entry points): Remove internal reentrancy code.
1004 (__mf_init): Use ordinary locked calls.
1005 (__mfu_report): Print the two new counts.
1006 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
1007 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
1008 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
1009 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
1010 option defaults.
1012 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
1014 * configure.in: Add pthread support, plus glibc and porting hacks.
1015 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
1016 from objects built into ./pth/.
1017 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
1018 functions for internal entry points. Update callers to pick
1019 locked vs. unlocked variants.
1020 (__mf_resolve_single_dynamic): Extend to support symbol versioning
1021 info coming in from a static data structure.
1022 (*): Reorder miscellaneous declarations to group data vs functions.
1023 (__mf_set_default_options): Simplify.
1024 (__mf_usage): Mention threading status of host executable.
1025 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
1026 decls to match above.
1027 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
1028 * mf-heuristics.c: Choose between locked/unlocked calls. Add
1029 some lock/unlock markers. Remove some unused code.
1030 * mf-hooks: Ditto.
1031 (pthread_create): New hook function.
1032 (__mf_pthread_cleanup, _spawner): New helper functions.
1033 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
1035 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
1037 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
1039 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
1041 * Makefile.am (HOOKOBJS): Add *time related hooks.
1042 * configure.in: Look for pthreads.h header.
1043 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
1044 * mf-runtime.c: Begin sketching some pthreads support.
1045 (__mf_usage): Check for -lpthread presence.
1046 (__mf_unregister): Confirm matching unregistration base.
1047 (__mf_find_objects_rec): Reduce unnecessary recursion.
1048 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
1049 #defines for new hook functions.
1050 * mf-impl.h: Corresponding changes.
1051 * config.h.in, configure, Makefile.in: Regenerated.
1053 2002-04-27 Diego Novillo <dnovillo@redhat.com>
1055 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
1056 modifiers to prevent being optimized away.
1057 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
1058 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1059 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
1060 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1061 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
1062 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
1063 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
1065 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1067 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1068 * configure.in: Look for uintptr_t and -ldl on target.
1069 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1070 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1071 * testsuite/Makefile.in: Regenerated.
1072 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1073 for better C compliance.
1075 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1077 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1078 prevention code.
1079 * mf-runtime.c (__mf_set_default_options): Turn off
1080 check-initialization.
1081 (__mf_describe_object): Shorten description.
1082 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1084 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
1086 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1088 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
1090 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1091 calls specially.
1092 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1093 * mf-impl.h (CALL_BACKUP): New macros.
1094 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1096 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
1098 * Makefile.am (AM_CFLAGS): Remove optimization flags.
1099 (HOOKOBJS): Remove dlopen hook.
1100 (libmudflap_la_LIBADD): Add -ldl.
1101 * mf-hooks.c (dlopen): Remove hook.
1102 * mf-impl.h (__mf_dynamic): Ditto.
1103 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1104 * Makefile.in: Regenerated.
1106 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
1108 * configure.in: Check for target gettimeofday, signal, some headers.
1109 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
1110 out inop multi_threaded field.
1111 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1112 (__mf_set_options): Correct handling of "-help".
1113 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1114 (__mf_check, __mf_register, __mf_unregister): Call it.
1115 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1116 (__mf_report_leaks): Make callable
1117 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
1118 distribution statistics.
1119 (__mf_adapt_cache): Rewrite shift guessing logic based on address
1120 bit distributions.
1121 * config.h.in, configure: Regenerated.
1122 * testsuite/libmudflap.c/fail27-frag.c: New test.
1123 * testsuite/libmudflap.c/pass36-frag.c: New test.
1125 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
1127 * mf-runtime.h.in: Tweak.
1128 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1129 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1130 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1132 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1134 * configure.in: Tweak generation of mf-runtime.h some more. It
1135 needs to work from both config.status and configure.
1136 * configure: Regenerated.
1138 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1140 * Makefile.am: Reorganize hook file building. Add auto dependencies.
1141 * configure.in: Tweak generation of mf-runtime.h.
1142 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1143 * mf-hooks.c (*): Adapt to initialized-heap object type.
1144 * mf-impl.h: Tweak cemetary boundaries.
1145 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1146 type.
1147 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1148 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1149 * testsuite/lib/libmudflap.exp (includes): Include build tree.
1150 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1151 checking.
1152 * testsuite/.../fail{25,26}-frag.c: New tests.
1153 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1154 * Makefile.in, configure: Regenerated.
1156 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1158 * mf-runtime.c (__mf_set_default_options): Turn on initialization
1159 checking by default.
1160 (__mf_insert_new_object): As a temporary hack, assume that new
1161 objects registered on the stack start out initialized.
1162 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1163 heap objects by hand.
1165 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1167 Switch to macro-style hooks for str*/mem*/b* functions.
1168 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1169 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1170 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1171 (__mf_set_default_options): Turn off heur_proc_map.
1172 (*): Adapt to to macro-style hook functions.
1173 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1174 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1175 (__mf_violation): Handle __MF_VIOL_WATCH.
1176 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1177 (__mf_dynamic): Removed mem*/str*/b* functions.
1178 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1179 (WRAPPER2): New macro for macro-style hooks.
1180 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1181 macro-style hooks.
1182 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1183 * mf-heuristics.c: Adapt to macro-style hook functions.
1184 Correct some comments.
1185 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1186 output pattern tests.
1187 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1188 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1190 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1192 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1193 for global array registration.
1194 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1195 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1197 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1199 * Makefile.am: Add gross make bug workarounds. Tweaked
1200 SUBDIRS and AM_CFLAGS.
1201 * Makefile.in: Regenerated.
1203 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1205 Switch to dejagnu.
1206 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1207 * Makefile.am (TESTS): Remove simple automake testing.
1208 * configure, Makefile.in: Regenerated.
1209 (SUBDIRS): Include new testsuite/ directory.
1210 * tests/*: Removed all files; moved bulk under:
1211 * testsuite/*: New subdirectory tree.
1212 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1213 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1214 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1215 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1216 * testsuite/config/default.exp: New file.
1217 * testsuite/Makefile.am, Makefile.in: New files.
1219 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1221 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1222 (TESTS): Add fail22 and pass29 tests.
1223 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1224 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1225 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1226 values. Move __MF_VIOL* here.
1227 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1228 (check_initialization): New field in __mf_opts. Default off.
1229 (read_count,write_count): New fields in __mf_object.
1230 (__mf_check): Implement basic initialization checking.
1231 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1232 (__mf_describe_object): Print new fields.
1233 (__mf_violation): Identify check/read vs. check/write in messages.
1234 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1235 "-check-initialized" mudflap option.
1236 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1237 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1238 Drop __FILE__/__LINE__ hack. Update callers.
1239 (*): Adapt to new mf-runtime.h API.
1240 * Makefile.in: regenerated.
1242 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1244 * configure.in: Build mf-runtime.h a more proper way.
1245 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1246 * mf-runtime.c (verbose_violations): Turn on by default.
1247 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1248 * mf-impl.h: ... and move it here.
1249 * configure: Regenerated.
1251 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1253 * configure.in: Look for C++ compiler.
1254 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1255 fixed type warnings when built with C++.
1256 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1257 * Makefile.am (TESTS): Run them.
1258 (*) Add new rules for building and running C++ tests.
1259 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1260 * mf-runtime.h.in: Protect with extern "C".
1261 * Makefile, configure: Regenerated.
1263 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1265 Portability improvements.
1266 * configure.in: Look for glibc backtrace headers/functions.
1267 * mf-hooks.c: Don't include <execinfo.h> any more.
1268 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1269 via CALL_REAL.
1270 (__mf_backtrace): Provide alternate baby implementation in
1271 absence of glibc.
1272 * test/mf-driver.c: Portability tweaks.
1273 * acinclude.m4: New file, containing top level libtool.m4.
1274 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1276 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1278 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1280 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1282 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1283 options.
1284 (__mf_unregister): Implement stack/heap object wiping.
1285 (__mf_set_options): Renamed from __mf_process_opts.
1286 (__mf_uncache_object): Change arg type, correct callers.
1287 * mf-impl.h: Corresponding changes.
1288 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1289 * mf-runtime.h.in (__mf_set_options): Extend public API.
1290 * test/pass26-frag.c: New test for stack wiping.
1291 * Makefile.am (TESTS): Run it.
1292 * Makefile.in: Regenerated.
1294 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1296 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1297 * mf-runtime.c (__mf_object_t): Add watching_p field.
1298 (__mf_watch_or_not): New function to implement
1299 object watch flagging.
1300 (__mf_watch, __mf_unwatch): New wrappers for above.
1301 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1302 (__mf_count_violation): Enlarge array.
1303 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1304 unlink object. Clear cache properly.
1305 (__mf_unregister): Unlink object explicitly before uncaching.
1306 * test/fail21-frag.c, pass25-frag.c: New tests.
1307 * Makefile.in, aclocal.m4: Regenerated.
1309 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1311 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1312 * Makefile.am (TESTS): Add it.
1313 * test/pass-stratcliff.c: Add decls of stpcpy.
1314 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1315 build tree from config.h and new file mf-runtime.h.in.
1316 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1317 * Makefile.in, configure, config.h.in: Regenerated.
1318 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1319 * mf-runtime.c (options, __mf_set_default_options): Support new
1320 default "abbreviate" option.
1321 (__mf_object.description_epoch): New field.
1322 (__mf_describe_object): Conditionally abbreviate objects already
1323 displayed in current epoch. Accept NULL input to increment epoch.
1324 (__mf_fini, __mf_ini): Reset description epoch.
1325 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1326 that NULL pointer slot in lookup cache is invalidated. Register a
1327 NOACCESS region around NULL.
1328 * mf-impl.h: Corresponding changes.
1330 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1332 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1333 * Makefile.am: Run them. Install mf-runtime.h.
1334 * Makefile.in: Regenerated.
1335 * mf-hooks.c: Add some markers for more missing functions.
1336 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1337 statistic to tune tune cache size (mask).
1339 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1341 * test/pass23-frag.c: New test for bit_field_ref expressions.
1342 * Makefile.am, Makefile.in: Add new test.
1343 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1344 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1345 * mf-runtime.c (__mf_init): Register errno global.
1346 (__mf_find_object): Removed function.
1347 (__mf_check): Rewrite logic to support accesses across some
1348 contiguous but distinctly registered objects.
1349 (__mf_remove_old_object): Tolerate cache entries that span
1350 contiguous objects.
1352 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1354 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1355 * Makefile.am, Makefile.in: Run new tests.
1356 * mf-hooks.c (alloca): Correct stack direction logic.
1358 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1360 * mf-impl.h (adapt_cache): New option.
1361 * mf-runtime.c (__mf_set_default_options): Set its default value.
1362 Tweak the tree_aging parameter down.
1363 (__mf_check): Maintain separate counter for cache-adaptation.
1364 (__mf_tree_analyze): New function to collect object tree stats.
1365 (__mf_adapt_cache): New function to automate cache parameters.
1367 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1369 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1370 hypothetical #if-0'd argv/envp region registration.
1371 * mf-runtime.c (__mf_init): Add kludged form of above.
1372 (*) Add "heur_argv_environ" flag, default on, to govern this.
1373 * mf-impl.h: Corresponding changes.
1375 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1377 * test/fail18-frag.c: New test file for NOACCESS regions.
1378 * Makefile.am (TESTS): Add new test.
1379 * Makefile.in: Regenerated.
1381 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1382 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1383 (optimize_object_tree): Remove unused mudflap_option.
1384 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1385 support throughout. Use .._MAX_CEM for cemetary upper bound.
1386 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1387 regions.
1388 (__mf_object): Add new liveness field for use by tree aging.
1389 (__mf_check): Trigger tree aging when needed.
1390 (__mf_age_tree): New function to decay liveness field.
1391 (__mf_find_objects_rec): Use liveness field to rotate tree.
1392 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1393 (__mf_unregister): Ditto.
1394 (__mf_register): Tweak duplicate-static message.
1395 (__mf_violation: Tweak nearby-object counter printing.
1397 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1399 * test/pass20-frag.c: New test file.
1400 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1401 * Makefile.in: Regenerated.
1403 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1404 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1405 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1406 entries to avoid repeat registration.
1407 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1408 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1410 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1412 * Makefile.am: Create test sources with #include, not cat>>.
1413 * Makefile.in: Regenerated.
1414 * test/buildtest.sh: Removed.
1415 * test/driver.c (abort_handler, main): Be quiet.
1417 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1419 * test/pass18-frag.c, pass19-frag.c: New tests.
1420 * Makefile.am (check): Run them. Rebuild test programs each time.
1421 * Makefile.in: Regenerated.
1423 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1425 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1426 overlapping object search.
1427 (__mf_violation): Likewise for nearby objects.
1428 Improve nearby-object listing.
1430 cleanup:
1431 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1432 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1434 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1436 alloca support:
1437 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1438 (HOOKOBJS): Add alloca-hook.o.
1439 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1440 style.
1441 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1442 (__mf_backtrace): Reimplement without using alloca.
1443 * Makefile.in: Regenerated.
1445 cleanup:
1446 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1447 Correct signedness bugs in length-tracking variables.
1448 * mf-impl.h: Make options unsigned.
1449 (CALL_WRAP): New macro to parallel CALL_REAL().
1450 (DECLARE): Remove erroneous ";" at end.
1451 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1452 formatting specs with %08lx. Correct several compiler warnings.
1454 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1456 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1458 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1460 libmudflap hook breakup:
1461 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1462 for libgcc_s.
1463 (TESTS): Make dependent on libmudflap.
1464 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1465 compiled from segments of mf-hooks.c.
1466 * mf-hooks.c: Corresponding changes: wrap each function in
1467 #ifdef/#endif.
1468 * Makefile.in: Regenerated.
1470 Heuristics reorganization:
1471 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1472 Remove these functions. Update callers.
1473 (__mf_heuristic_check): Incorporate all the various heuristics.
1474 Encode cacheability/retry judgement into trinary return value.
1475 Separate start-end logic into a separate fallback heuristic. Only
1476 register relevant /proc/self/map segments.
1477 * mf-impl.h: Corresponding changes.
1478 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1479 (__mf_init): Don't call __mf_init_heuristics.
1481 Tracing cleanup:
1482 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1483 "-verbose-trace" to emit all tracing messages other than those of
1484 basic public api. Eliminate some duplicate/excessive messages.
1485 * mf-runtime.h: Corresponding changes.
1487 2002-08-27 Graydon Hoare <graydon@redhat.com>
1489 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1490 and __real when compiled with -DPIC.
1491 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1492 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1493 * Makefile.in: Regenerate.
1495 2002-08-26 Graydon Hoare <graydon@redhat.com>
1497 * mf-impl.h: New file, private implementation header.
1498 * mf-runtime.h: Reorganize a bit.
1499 (CLAMPSZ): Fix arithmetic.
1500 (__MF_CACHE_MISS_P): Fix arithmetic.
1501 * mf-runtime.c: Reorganize a bit.
1502 (__mf_dynamic): New structure.
1503 (resolve_single_dynamic): New function.
1504 (__mf_resolve_dynamics): New function.
1505 (__mf_init): Initialize dynamic wrappers.
1506 * mf-hooks.c: Macro-ize __real calls.
1507 Clamp various bits of arithmetic.
1508 Add explicit __mf_check call contexts.
1509 * Makefile.am: Add dependencies on mf-impl.h
1510 * Makefile.in: Regenerate.
1511 * configure.in: Comment out shared override.
1512 * configure: Regenerate.
1514 2002-08-22 Graydon Hoare <graydon@redhat.com>
1516 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1517 (__mf_check): Re-inialize and check heuristics before violation.
1518 (__mf_register): Permit updating pure-guess regions.
1519 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1520 (__wrap_dlopen): New wrapper function.
1521 (__wrap_mmap): New wrapper function.
1522 (__wrap_munmap): New wrapper function.
1523 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1524 which are not stack addresses.
1525 (is_stack_address): New function.
1526 (__mf_init_heuristics): Save and restore state, always initialize with
1527 "starting" state.
1529 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1531 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1532 error. Pass location string.
1533 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1534 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1535 (__mf_process_opts): Apply some sanity checking for lc-mask.
1536 (__mf_check, __mf_violation): Take new location-string argument.
1537 Update callers to pass NULL if necessary.
1538 (__mf_backtrace): New smart backtracer function. Calls replace
1539 several ad-hoc blocks elsewhere.
1540 (__mf_describe_object): Remove bad reentrancy test. Improve
1541 tracing message.
1542 * mf-runtime.h: Corresponding changes. Public/private markup.
1543 (__MF_CACHE_MISS_P): New macro.
1545 2002-08-20 Graydon Hoare <graydon@redhat.com>
1547 * mf-runtime.h: New option: stack_bound (heuristic).
1548 Move some macros out of implementation files.
1549 * mf-runtime.c: New option string: -stack-bound.
1550 Unify recursion protection with hooks.
1551 Add more logging.
1552 (__mf_check): Call __mf_heuristic_check.
1553 (__mf_process_opts): Fix "no-" processing.
1554 * mf-heuristics.c (__mf_heuristic_check): New function.
1555 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1557 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1559 Option parsing improvements, region splitting bug fixes:
1560 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1561 * mf-runtime.h (heur_proc_map): New libmudflap option.
1562 * mf-runtime.c (__mf_set_default_options): Set it.
1563 (__mf_usage): Print default values/status.
1564 (__mf_process_opts): Support general "no-" option string prefix.
1565 (__mf_init): Print __mf_usage on unknown-option error.
1566 (__mf_register): Print trace message up front.
1567 Correct region splitting logic for case where a subregion disappears.
1568 Correct memory leak.
1569 (__mf_violation): Make even basic message conditional on option.
1571 Build cleanup:
1572 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1573 (clean-local): New target.
1574 (test/*x rules): Add -g CFLAGS.
1575 (CFLAGS): Add -freorder-blocks.
1576 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1577 * Makefile.in: Regenerated.
1578 * Makefile, mf-config.h: Removed files.
1580 2002-08-16 Graydon Hoare <graydon@redhat.com>
1582 * mf-runtime.c (__mf_insert_new_object): Factor out of
1583 __mf_register.
1584 (__mf_remove_old_object): Factor out of __mf_unregister.
1585 (__mf_register): Handle guessed regions, splitting
1586 guesses when new registrations arrive.
1587 (__mf_unregister): Do not unregister guesses.
1588 * mf-runtime.h: Move convenience macros around,
1589 declare new option fields. Add __MF_TYPE_GUESS.
1590 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1591 (__wrap_free): Call __real_free for deferred frees.
1592 * Makefile.am: Add more tests, fix dependency.
1593 * Makefile.in: Regenerate.
1594 * test/pass[13..17]-frag.c: New testcases.
1595 * test/fail[13..17]-frag.c: New testcases.
1597 2002-08-15 Graydon Hoare <graydon@redhat.com>
1599 * mf-heuristics.c: New file.
1600 * mf-runtime.c (options): Add -trace-calls option.
1601 (__mf_init): Call __mf_init_heuristics.
1603 2002-08-14 Graydon Hoare <graydon@redhat.com>
1605 * Makefile.am (TESTS): Add testsuite support.
1606 * Makefile.in: Regenerate.
1607 * test/mf-driver.c: New file.
1608 * test/buildtest.sh: New file.
1609 * test/passNN-frag.c: New testcases.
1610 * test/failNN-frag.c: New testcases.
1612 2002-08-14 Graydon Hoare <graydon@redhat.com>
1614 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1615 verifying non-size-limited string extents.
1617 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1619 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1620 instead of plain str[n]len for internal checks.
1621 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1623 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1625 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1627 2002-08-13 Graydon Hoare <graydon@redhat.com>
1629 * mf-runtime.c: Rework configuration to operate on
1630 environment variable options rather than #defines
1631 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1632 (__mf_init): Set static __mf_active_p flag on startup,
1633 to inhibit mudflap wrap-based checking during crt0.s.
1634 * mf-runtime.h: Declare options structure.
1635 * mf-hooks.c: New wrappings for mem*, b*, str*
1636 libc functions (temporarily #if 0-ed out).
1638 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1640 * Makefile.am, configure.in: New files.
1641 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1642 * stamp-h.in, aclocal.m4: Ditto.
1644 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1646 * Makefile: New file.
1647 * mf-config.h: New file: runtime configuration.
1648 * mf-hooks.c: New file: interposed libc functions.
1649 * mf-runtime.c: New file: bulk of runtime.
1650 * mf-runtime.h: New file: public functions.