1 2005-08-22 Jim Wilson <wilson@specifix.com>
3 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
4 __FreeBSD__ is defined.
6 2005-08-17 Jim Wilson <wilson@specifix.com>
8 * mf-hooks1.c (malloc, calloc, realloc, free,
9 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
10 the real routines, and END_MALLOC_PROTECT afterwards.
11 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
12 (BEGIN_PROTECT): Handle in_malloc state.
13 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
14 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
16 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
18 * All files: Update FSF address.
20 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
22 * mf-hooks3.c (main_seen_p): Remove.
23 (__mf_get_state): Remove attempt to recognize the main thread.
25 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
27 * configure.ac: Test for the name of the symbol used for the entry
28 point; define ENTRY_POINT to the result.
29 * configure: Regenerate.
30 * config.h.in: Regenerate.
31 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
33 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
35 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
36 (__mf_init): Set thread state active.
37 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
39 (pthread_create wrapper): Always use thread spawner.
41 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
42 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
44 2005-07-16 Richard Henderson <rth@redhat.com>
46 * acinclude.m4: New file.
47 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
48 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
49 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
50 (__mf_0fn_calloc): ... here.
51 * mf-hooks3.c (struct pthread_info): Remove.
52 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
53 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
54 (struct mf_thread_data): New.
55 (mf_thread_data, mf_thread_data_lock): New.
56 (__mf_allocate_blank_threadinfo): Remove.
57 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
59 (__mf_state_perthread): Remove.
60 (__mf_get_state, __mf_set_state): New.
61 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
62 Update mf_thread_data killing procedure.
63 (__mf_pthread_spawner): Similarly.
64 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
65 code to allocate thread stack space.
66 (__mf_0fn_pthread_join, pthread_join): Remove.
67 (__mf_0fn_pthread_exit, pthread_exit): Remove.
68 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
69 (__mf_state_1): Rename from __mf_state; use TLS when available.
70 (__mf_get_state, __mf_set_state): New. Update all users.
71 * mf-runtime.c (begin_recursion_protect1): New.
72 (BEGIN_RECURSION_PROTECT): Use it.
73 (__mf_state_1): Rename from __mf_state; use TLS when available.
74 (threads_active_p): Remove.
75 (__mf_usage): Compute it directly.
77 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
79 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
81 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
83 Fix for uncaching bug reported by Herman ten Brugge.
84 * mf-runtime.c (__mf_uncache_object): Search whole cache.
85 * testsuite/libmudflap.c/fail40-frag.c: New test.
87 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
90 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
93 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
96 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
97 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
99 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
102 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
104 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
107 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
108 unsigned vars with #defines instead of enums.
110 2005-05-09 Mike Stump <mrs@apple.com>
112 * configure: Regenerate.
114 2005-04-12 Mike Stump <mrs@apple.com>
116 * configure: Regenerate.
118 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
121 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
122 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
124 2005-04-04 Alan Modra <amodra@bigpond.net.au>
126 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
128 2005-03-31 Mike Stump <mrs@apple.com>
130 * mf-runtime.h: Add libmudflap copyright clause.
132 2005-03-21 Mike Stump <mrs@apple.com>
134 * mf-heuristics.c: Fix whitespace at end of line.
135 * mf-hooks1.c: Likewise.
136 * mf-hooks2.c: Likewise.
137 * mf-hooks3.c: Likewise.
138 * mf-impl.h: Likewise.
139 * mf-runtime.c: Likewise.
140 * mf-runtime.h: Likewise.
142 2005-03-21 Zack Weinberg <zack@codesourcery.com>
144 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
145 In all substitutions, expand gcc_version in Makefile.
146 * aclocal.m4, configure: Regenerate.
147 * Makefile.am: Set gcc_version.
148 * Makefile.in, testsuite/Makefile.in: Regenerate.
150 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
152 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
153 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
155 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
158 * testsuite/libmudflap.c++/pass55-frag.c: New test.
160 2005-01-05 Richard Henderson <rth@redhat.com>
162 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
164 2005-01-02 Greg McGary <greg@mcgary.org>
166 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
167 * mf-runtime.h: New file, replaces mf-runtime.h.in.
168 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
169 * Makefile.in: Ditto.
170 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
171 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
172 * testsuite/libmudflap.c/fail36-frag.c: New test.
173 * testsuite/libmudflap.c/fail37-frag.c: New test.
174 * testsuite/libmudflap.c/fail38-frag.c: New test.
176 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
178 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
179 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
181 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
183 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
184 * aclocal.m4: Include ../config/gcc-version.m4.
185 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
187 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
189 * Makefile.am: Define ACLOCAL_AMFLAGS.
190 * acinclude.m4: Remove.
191 * stamp-h.in: Remove superfluous stamp file.
192 * aclocal.m4, configure, Makefile.in: Regenerate.
193 * testsuite/Makefile.in: Likewise.
195 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
197 * Makefile.am: Revert previous.
198 * acinclude.m4: Restore.
199 * aclocal.m4, configure, Makefile.in: Regenerate.
200 * testsuite/Makefile.in: Likewise.
202 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
204 * Makefile.am: Define ACLOCAL_AMFLAGS.
205 * acinclude.m4: Remove.
206 * aclocal.m4, configure, Makefile.in: Regenerate.
207 * testsuite/Makefile.in: Likewise.
209 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
211 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
213 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
215 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
216 * testsuite/Makefile.in: Likewise.
218 2004-11-01 Andreas Schwab <schwab@suse.de>
220 * configure.ac: (target_alias): Default to $host_alias, not
222 * configure: Regenerated.
224 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
226 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
227 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
230 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
233 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
235 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
237 * configure.ac: Check for more headers, functions.
238 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
239 tracking overridden FILE buffers.
240 (fopen, setvbuf): New/revised hook functions for buffer overriding.
241 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
242 (fflush): Accept given NULL stream (means "all streams").
244 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
246 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
247 (__mf_adapt_cache): Use them all.
248 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
249 * testsuite/libmudflap.c++/ctors.exp: Ditto.
250 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
251 * configure, config.h.in: Regenerated.
253 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
255 * configure.ac: Checking for sys/socket.h once is enough.
256 * configure: Regenerated.
258 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
260 * configure.ac: Look for more headers & functions.
261 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
262 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
263 * mf-runtime.c (options): Clean up integer signedness warnings.
264 (main): Add a declaration to fix a warning.
265 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
266 * configure, config.h.in: Regenerated.
268 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
270 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
271 New tests for proper base/limit checking for aggregates.
273 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
275 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
277 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
279 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
280 * mf-hooks2.c (strerror): Unregister previous string returned by
282 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
283 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
284 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
285 * mf-runtime.c (__mf_describe_object): Clarify object life status.
286 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
288 * configure, config.h.in: Regenerated.
290 2004-08-03 Dale Johannesen <dalej@apple.com>
292 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
294 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
296 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
297 simplified contents in all former callers.
299 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
301 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
302 the statically linked case.
304 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
306 * splay-tree.[ch]: Remove. Merge contents into ...
307 * mf-runtime.c: ... here, renaming symbols and making all functions
308 static. Remove unused min/max functions.
309 * Makefile.am: Forget about splay-tree.[ch].
310 * Makefile.in, testsuite/Makefile.in: Regenerated.
312 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
314 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
315 (__mfu_usage): Include (C) 2004.
316 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
317 here. Include a comment explaining why.
319 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
321 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
322 * mf-runtime.c (options): Give them a name.
323 (__mf_set_default_options): Set them.
324 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
325 (__mf_violation): Warning cleanup.
326 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
327 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
329 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
332 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
335 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
337 Test case for g++/15861
338 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
339 * testsuite/libmudflap.c++/ctors.exp: Driver.
340 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
341 Look only for *frag* test cases.
343 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
345 ANSI C conversion, libmudflap specialization, recursion limiting.
346 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
347 argument and indirection function pointers, update callers.
348 (splay_tree_s): Add statistics and recursion control fields
349 num_keys, max_depth, depth, rebalance_p.
350 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
351 Back out of search if it exceeds limit.
352 (splay_tree_splay): Manage recursion limiting with rebalancing as
354 (splay_tree_new): More initialization.
355 (splay_tree_rebalance): New function.
356 (splay_tree_foreach): Rewrite using nonrecursive logic.
357 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
358 Remove. Point indirect calls to mf-runtime.c's routines.
359 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
361 (splay_tree_delete, splay_tree_delete_helper): Ditto.
362 * testsuite/heap-scalestress.c: New test based on one from
363 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
365 2004-07-05 Matthias Klose <doko@debian.org>
367 * libtool-version: New.
368 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
369 Use -version-info for soname.
370 * Makefile.in: Regenerate.
371 * configure.ac: Remove libtool_VERSION macro
372 * configure: Regenerate
374 2004-07-05 Zack Weinberg <zack@codesourcery.com>
376 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
377 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
380 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
382 Splay tree implementation fork.
383 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
384 Use hard-coded comparison function for uintptr_t. Remove key/value
385 deallocation logic. Cache last splayed key for consecutive lookups.
386 * Makefile.am, Makefile.in: Use them, don't link to them.
387 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
388 (__mf_find_objects2): Flip successor/predecessor search sequence.
389 * ansidecl.h, libiberty.h: Removed dummy files.
391 2004-06-29 Nick Clifton <nickc@redhat.com>
393 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
394 * configure: Regenerate.
395 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
397 Remove spurious inclusion of <strings.h>.
399 2004-06-29 Nick Clifton <nickc@redhat.com>
401 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
402 function actually exists.
404 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
406 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
407 * config.h.in: Regenerated.
409 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
411 Adopt splay trees for object database.
412 * Makefile.am: Copy splay-tree.* from libiberty.
413 * Makefile.in, testsuite/Makefile.in: Regenerated.
414 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
415 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
416 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
417 * mf-runtime.c: Rewrite code dealing with object database to use
418 libiberty splay trees. Remove tree liveness aging option.
419 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
421 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
423 * configure.ac: New name of configure.in. Update
424 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
425 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
426 Autoconf 2.5x and Automake 1.7 or later.
427 * configure.in: Remove.
428 * configure: Regenerate.
430 * Makefile.am: Remove useless multilib rules.
431 * Makefile.in: Regenerate.
433 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
435 * .cvsignore: New file.
437 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
440 * mf-hooks2.c (semctl): Add cygwin porting hack.
442 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
445 * configure.in: Look for ctype header and glibc implementation.
446 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
447 array hooks for glibc 2.3.
448 * mf-runtime.h.in: Wrap them.
449 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
451 * testsuite/libmudflap.c/pass47-frag.c: New test.
452 * configure, config.h.in: Regenerated.
454 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
456 Portability improvements, e.g., libmudflap/15293.
457 * configure.in: Look for glibc extension functions. Look for
458 support of -f{function,data}-sections. Look for more headers.
459 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
460 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
461 mf-hooks* into usual single object per source.
462 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
463 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
464 if system doesn't provide one.
465 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
466 (pthread_create): Use it to properly GC dead thread stacks.
467 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
468 * testsuite/Makefile.am: Stop generating site.exp.
469 * testsuite/mfconfig.exp.in: New file.
470 * testsuite/config/default.exp: Load new mfconfig.exp.
471 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
472 (prune_gcc_output): Add glibc static linking warnings.
473 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
474 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
475 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
476 Regenerated with autoconf 2.57 and automake 1.7.
478 2004-06-04 Per Bothner <per@bothner.com>
480 * configure.in (LIBMUDFLAPTH): Fix thinko.
482 * configure.in: Check for more headers.
483 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
485 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
486 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
488 2004-06-01 Andreas Jaeger <aj@suse.de>
490 * configure.in: Handle multilibs, support
491 --enable-version-specific-runtime-libs.
492 * Makefile.am (lib_LTLIBRARIES): Rename to ...
493 (toolexeclib_LTLIBRARIES): this for multilib support.
494 * Makefile.in: Regenerated.
495 * configure: Regenerated.
496 * aclocal.m4: Regenerated.
497 * config.h.in: Regenerated.
498 * testsuite/Makefile.in: Regenerated.
500 2004-06-01 Andreas Jaeger <aj@suse.de>
502 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
503 multilibs, using multilib directory instead of hardcoded path.
506 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
508 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
509 * Makefile.in: Ditto.
511 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
513 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
514 * aclocal.m4, configure: Rebuilt.
516 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
518 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
519 import some build settings from libstdc++-v3 testsuite_flags.
520 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
521 changes to pass test language.
523 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
524 quicker mode-nop handling.
526 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
528 * mf-impl.h: Added libgcc license header.
530 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
532 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
533 Added libgcc license header.
534 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
535 (pthread_create): Simplify stack allocation syntax.
537 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
539 * mf-hooks2.c: Support FreeBSD.
540 (WRAP_gets): Avoid gets().
541 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
542 test unimplemented mem/str calls on FreeBSD.
543 * testsuite/libmudflap.c/pass21-frag.c: Do not include
544 <alloca.h> on FreeBSD.
546 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
548 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
549 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
550 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
551 flags for static linking permutation.
552 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
553 some pthreads code that croaks on linux glibc tls.
555 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
557 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
559 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
561 * testsuite/libmudflap.c/pass44-frag.c: New test.
563 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
565 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
567 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
569 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
571 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
573 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
575 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
578 * configure.in: Add check for see if
579 socklen_t typedef is in sys/socket.h.
580 * mf-hooks1.c: Add define if socklen_t
582 * mf-hooks2.c: Likewise.
583 * mf-hooks3.c: Likewise.
584 * config.h.in: Regen.
587 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
589 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
590 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
592 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
593 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
594 (unoptimized) allocation of stack space.
596 2003-12-07 Richard Henderson <rth@redhat.com>
598 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
599 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
601 2003-12-06 Andrew Pinski <apinski@apple.com>
603 partial PR libmudflap/12670
604 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
605 * mf-hooks2.c: Likewise.
606 * mf-hooks3.c: Likewise.
608 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
611 * mf-runtime.h.in: Switch to #pragma redefine_extname for
612 symbols interposed at compile time.
613 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
616 * mf-hooks2.c (semctl): Tolerate FreeBSD.
618 * configure.in: Reorganize check for <pthread.h>.
619 * configure: Regenerated.
621 2003-11-04 David Edelsohn <edelsohn@gnu.org>
623 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
624 (_LARGE_FILE_API): Define for AIX.
625 * mf-hooks[123]: Same.
626 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
628 2003-10-21 David Edelsohn <edelsohn@gnu.org>
630 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
632 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
634 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
636 * configure.in: Update check for union semun.
638 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
641 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
643 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
646 * configure.in: Add checks for 64-bit LFS functions, struct semun
647 definition, for BSD compatibility.
648 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
649 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
650 * mf-hooks3.c: Ditto.
651 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
653 * configure, config.h.in: Regenerated.
655 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
657 Multithreading fixes:
658 * mf-runtime.c (__mf_object): Store allocating/deallocating
660 (options): Support new "-thread-stack" option.
661 Rename "-heur-argv-environ" option to "-heur-stdlib".
662 Disable "-lc-mask" and "-lc-shift" options.
663 (__mf_dynamic): Add function pointers for pthread_join/_exit.
664 (__assert_fail): New self-contained function for glibc.
665 * mf-hooks3.c: Essentially rewritten, particularly related to
666 use of __mf_pthread_info array.
667 (pthread_join, _exit): New hook functions.
668 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
669 * testsuite/libmudflap.cth/pass40-frag.c: New test.
672 * mf-heuristics.c: Add type casts for tracing, sub calls.
673 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
674 Update all callers to declare explicit result holder.
675 (END_PROTECT): Removed.
676 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
678 2003-07-15 Diego Novillo <dnovillo@redhat.com>
680 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
681 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
682 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
684 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
686 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
688 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
689 Move these macros from old mf-hooks.c here.
690 * Makefile.am: Adapt to split-up hook sources for faster builds.
691 * Makefile.in: Regenerated.
693 * mf-heuristics.c: Remove #if-0 block.
695 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
696 (__mf_starting_p): New state only for use while dlsym bootstrapping.
697 (CALL_REAL, __mf_init): Corresponding changes.
698 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
699 all callers to remove redundant "mf:" prefix.
700 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
701 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
702 (__mf_pthread_info): Become a hash table.
704 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
705 "dg-repetitions" directives to control test case execution.
706 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
708 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
710 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
712 * mf-hooks.c (alloca): Separate into stub.
713 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
714 malloc/free for alloca blocks.
715 (pthread_create): Tolerate failing pthread_attr_get* calls.
716 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
717 * mf-impl.h (CALL_WRAP): Remove macro.
718 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
719 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
720 padding for ia64 BIT_FIELD_REF constructs.
722 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
724 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
725 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
726 libmudflap object type.
727 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
728 crashes on unregistering STATIC objects.
730 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
732 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
733 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
734 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
735 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
736 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
737 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
738 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
739 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
740 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
741 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
742 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
743 (accept, bind, connect, gethostname, sethostname): New hooks.
744 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
745 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
746 (semop, semctl, shmctl, shmat, shmdt): New hooks.
747 * mf-runtime.h.in: Corresponding changes.
748 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
749 (opts) Rename heur_argv_environ to heur_std_data.
750 (__mf_wrap_main): Use STATIC type for argv/environ strings.
751 * Makefile.am: Corresponding changes.
752 * Makefile.in: Regenerated.
754 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
756 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
757 heuristic for threaded case, and for non-x86-linux targets.
758 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
759 for use during pre-main() program startup.
760 (__mf_0fn_*): Make these functions non-static.
761 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
763 * mf-runtime.c (__mf_state): Set initial state to "starting".
764 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
765 (__wrap_main): New function to register argv[] and environ[] strings.
767 (*): In all trace functions, use "%p" as formatter for uintptr_t.
769 * testsuite/libmudflap.c/pass38-frag.c: New test case.
770 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
772 * acinclude.m4: Add comments with aoliva's concerns about x86_64
774 * aclocal.m4, configure: Regenerated.
776 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
778 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
779 * aclocal.m4, configure: Regenerated.
781 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
783 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
784 for x86_64 target. Disable caching for this value.
785 * aclocal.m4, configure: Regenerated.
787 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
789 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
790 is about to become deprecated, and its present handling bugs are
793 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
795 * testsuite/libmudflap.c/pass38-frag.c: New test for
798 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
800 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
801 __mf_report, asserting reentrant calling context.
803 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
805 * mf-hooks.c (realloc): Correct reentrancy logic.
806 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
808 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
810 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
811 PTHREAD_THREADS_MAX. Update users.
812 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
814 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
815 with libmudflapth presence indicator.
816 * testsuite/Makefile.in: Regenerated.
818 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
820 * Makefile.am (AM_CFLAGS): Remove "-ansi".
821 * configure.in: Remove silly no-pthreads => no-shared logic.
822 * Makefile.in, configure: Regenerated.
823 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
824 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
825 code. Count reentrancy events.
826 (all hook functions): Don't directly manipulate __mf_state variable.
827 Add TRACE calls to hook functions without them.
828 * mf-impl.h (LOCKTH): Try to count lock contention events.
829 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
830 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
831 Reorganize reentrancy code.
832 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
833 identify reentrancy with mutex holding times.
834 (internal __mfu_ entry points): Remove internal reentrancy code.
835 (__mf_init): Use ordinary locked calls.
836 (__mfu_report): Print the two new counts.
837 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
838 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
839 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
840 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
843 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
845 * configure.in: Add pthread support, plus glibc and porting hacks.
846 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
847 from objects built into ./pth/.
848 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
849 functions for internal entry points. Update callers to pick
850 locked vs. unlocked variants.
851 (__mf_resolve_single_dynamic): Extend to support symbol versioning
852 info coming in from a static data structure.
853 (*): Reorder miscellaneous declarations to group data vs functions.
854 (__mf_set_default_options): Simplify.
855 (__mf_usage): Mention threading status of host executable.
856 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
857 decls to match above.
858 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
859 * mf-heuristics.c: Choose between locked/unlocked calls. Add
860 some lock/unlock markers. Remove some unused code.
862 (pthread_create): New hook function.
863 (__mf_pthread_cleanup, _spawner): New helper functions.
864 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
866 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
868 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
870 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
872 * Makefile.am (HOOKOBJS): Add *time related hooks.
873 * configure.in: Look for pthreads.h header.
874 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
875 * mf-runtime.c: Begin sketching some pthreads support.
876 (__mf_usage): Check for -lpthread presence.
877 (__mf_unregister): Confirm matching unregistration base.
878 (__mf_find_objects_rec): Reduce unnecessary recursion.
879 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
880 #defines for new hook functions.
881 * mf-impl.h: Corresponding changes.
882 * config.h.in, configure, Makefile.in: Regenerated.
884 2002-04-27 Diego Novillo <dnovillo@redhat.com>
886 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
887 modifiers to prevent being optimized away.
888 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
889 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
890 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
891 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
892 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
893 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
894 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
896 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
898 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
899 * configure.in: Look for uintptr_t and -ldl on target.
900 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
901 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
902 * testsuite/Makefile.in: Regenerated.
903 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
904 for better C compliance.
906 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
908 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
910 * mf-runtime.c (__mf_set_default_options): Turn off
911 check-initialization.
912 (__mf_describe_object): Shorten description.
913 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
915 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
917 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
919 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
921 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
923 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
924 * mf-impl.h (CALL_BACKUP): New macros.
925 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
927 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
929 * Makefile.am (AM_CFLAGS): Remove optimization flags.
930 (HOOKOBJS): Remove dlopen hook.
931 (libmudflap_la_LIBADD): Add -ldl.
932 * mf-hooks.c (dlopen): Remove hook.
933 * mf-impl.h (__mf_dynamic): Ditto.
934 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
935 * Makefile.in: Regenerated.
937 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
939 * configure.in: Check for target gettimeofday, signal, some headers.
940 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
941 out inop multi_threaded field.
942 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
943 (__mf_set_options): Correct handling of "-help".
944 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
945 (__mf_check, __mf_register, __mf_unregister): Call it.
946 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
947 (__mf_report_leaks): Make callable
948 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
949 distribution statistics.
950 (__mf_adapt_cache): Rewrite shift guessing logic based on address
952 * config.h.in, configure: Regenerated.
953 * testsuite/libmudflap.c/fail27-frag.c: New test.
954 * testsuite/libmudflap.c/pass36-frag.c: New test.
956 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
958 * mf-runtime.h.in: Tweak.
959 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
960 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
961 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
963 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
965 * configure.in: Tweak generation of mf-runtime.h some more. It
966 needs to work from both config.status and configure.
967 * configure: Regenerated.
969 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
971 * Makefile.am: Reorganize hook file building. Add auto dependencies.
972 * configure.in: Tweak generation of mf-runtime.h.
973 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
974 * mf-hooks.c (*): Adapt to initialized-heap object type.
975 * mf-impl.h: Tweak cemetary boundaries.
976 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
978 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
979 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
980 * testsuite/lib/libmudflap.exp (includes): Include build tree.
981 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
983 * testsuite/.../fail{25,26}-frag.c: New tests.
984 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
985 * Makefile.in, configure: Regenerated.
987 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
989 * mf-runtime.c (__mf_set_default_options): Turn on initialization
991 (__mf_insert_new_object): As a temporary hack, assume that new
992 objects registered on the stack start out initialized.
993 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
994 heap objects by hand.
996 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
998 Switch to macro-style hooks for str*/mem*/b* functions.
999 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1000 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1001 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1002 (__mf_set_default_options): Turn off heur_proc_map.
1003 (*): Adapt to to macro-style hook functions.
1004 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1005 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1006 (__mf_violation): Handle __MF_VIOL_WATCH.
1007 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1008 (__mf_dynamic): Removed mem*/str*/b* functions.
1009 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1010 (WRAPPER2): New macro for macro-style hooks.
1011 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1013 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1014 * mf-heuristics.c: Adapt to macro-style hook functions.
1015 Correct some comments.
1016 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1017 output pattern tests.
1018 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1019 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1021 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1023 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1024 for global array registration.
1025 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1026 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1028 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1030 * Makefile.am: Add gross make bug workarounds. Tweaked
1031 SUBDIRS and AM_CFLAGS.
1032 * Makefile.in: Regenerated.
1034 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1037 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1038 * Makefile.am (TESTS): Remove simple automake testing.
1039 * configure, Makefile.in: Regenerated.
1040 (SUBDIRS): Include new testsuite/ directory.
1041 * tests/*: Removed all files; moved bulk under:
1042 * testsuite/*: New subdirectory tree.
1043 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1044 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1045 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1046 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1047 * testsuite/config/default.exp: New file.
1048 * testsuite/Makefile.am, Makefile.in: New files.
1050 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1052 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1053 (TESTS): Add fail22 and pass29 tests.
1054 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1055 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1056 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1057 values. Move __MF_VIOL* here.
1058 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1059 (check_initialization): New field in __mf_opts. Default off.
1060 (read_count,write_count): New fields in __mf_object.
1061 (__mf_check): Implement basic initialization checking.
1062 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1063 (__mf_describe_object): Print new fields.
1064 (__mf_violation): Identify check/read vs. check/write in messages.
1065 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1066 "-check-initialized" mudflap option.
1067 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1068 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1069 Drop __FILE__/__LINE__ hack. Update callers.
1070 (*): Adapt to new mf-runtime.h API.
1071 * Makefile.in: regenerated.
1073 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1075 * configure.in: Build mf-runtime.h a more proper way.
1076 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1077 * mf-runtime.c (verbose_violations): Turn on by default.
1078 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1079 * mf-impl.h: ... and move it here.
1080 * configure: Regenerated.
1082 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1084 * configure.in: Look for C++ compiler.
1085 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1086 fixed type warnings when built with C++.
1087 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1088 * Makefile.am (TESTS): Run them.
1089 (*) Add new rules for building and running C++ tests.
1090 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1091 * mf-runtime.h.in: Protect with extern "C".
1092 * Makefile, configure: Regenerated.
1094 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1096 Portability improvements.
1097 * configure.in: Look for glibc backtrace headers/functions.
1098 * mf-hooks.c: Don't include <execinfo.h> any more.
1099 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1101 (__mf_backtrace): Provide alternate baby implementation in
1103 * test/mf-driver.c: Portability tweaks.
1104 * acinclude.m4: New file, containing top level libtool.m4.
1105 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1107 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1109 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1111 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1113 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1115 (__mf_unregister): Implement stack/heap object wiping.
1116 (__mf_set_options): Renamed from __mf_process_opts.
1117 (__mf_uncache_object): Change arg type, correct callers.
1118 * mf-impl.h: Corresponding changes.
1119 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1120 * mf-runtime.h.in (__mf_set_options): Extend public API.
1121 * test/pass26-frag.c: New test for stack wiping.
1122 * Makefile.am (TESTS): Run it.
1123 * Makefile.in: Regenerated.
1125 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1127 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1128 * mf-runtime.c (__mf_object_t): Add watching_p field.
1129 (__mf_watch_or_not): New function to implement
1130 object watch flagging.
1131 (__mf_watch, __mf_unwatch): New wrappers for above.
1132 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1133 (__mf_count_violation): Enlarge array.
1134 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1135 unlink object. Clear cache properly.
1136 (__mf_unregister): Unlink object explicitly before uncaching.
1137 * test/fail21-frag.c, pass25-frag.c: New tests.
1138 * Makefile.in, aclocal.m4: Regenerated.
1140 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1142 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1143 * Makefile.am (TESTS): Add it.
1144 * test/pass-stratcliff.c: Add decls of stpcpy.
1145 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1146 build tree from config.h and new file mf-runtime.h.in.
1147 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1148 * Makefile.in, configure, config.h.in: Regenerated.
1149 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1150 * mf-runtime.c (options, __mf_set_default_options): Support new
1151 default "abbreviate" option.
1152 (__mf_object.description_epoch): New field.
1153 (__mf_describe_object): Conditionally abbreviate objects already
1154 displayed in current epoch. Accept NULL input to increment epoch.
1155 (__mf_fini, __mf_ini): Reset description epoch.
1156 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1157 that NULL pointer slot in lookup cache is invalidated. Register a
1158 NOACCESS region around NULL.
1159 * mf-impl.h: Corresponding changes.
1161 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1163 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1164 * Makefile.am: Run them. Install mf-runtime.h.
1165 * Makefile.in: Regenerated.
1166 * mf-hooks.c: Add some markers for more missing functions.
1167 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1168 statistic to tune tune cache size (mask).
1170 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1172 * test/pass23-frag.c: New test for bit_field_ref expressions.
1173 * Makefile.am, Makefile.in: Add new test.
1174 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1175 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1176 * mf-runtime.c (__mf_init): Register errno global.
1177 (__mf_find_object): Removed function.
1178 (__mf_check): Rewrite logic to support accesses across some
1179 contiguous but distinctly registered objects.
1180 (__mf_remove_old_object): Tolerate cache entries that span
1183 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1185 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1186 * Makefile.am, Makefile.in: Run new tests.
1187 * mf-hooks.c (alloca): Correct stack direction logic.
1189 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1191 * mf-impl.h (adapt_cache): New option.
1192 * mf-runtime.c (__mf_set_default_options): Set its default value.
1193 Tweak the tree_aging parameter down.
1194 (__mf_check): Maintain separate counter for cache-adaptation.
1195 (__mf_tree_analyze): New function to collect object tree stats.
1196 (__mf_adapt_cache): New function to automate cache parameters.
1198 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1200 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1201 hypothetical #if-0'd argv/envp region registration.
1202 * mf-runtime.c (__mf_init): Add kludged form of above.
1203 (*) Add "heur_argv_environ" flag, default on, to govern this.
1204 * mf-impl.h: Corresponding changes.
1206 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1208 * test/fail18-frag.c: New test file for NOACCESS regions.
1209 * Makefile.am (TESTS): Add new test.
1210 * Makefile.in: Regenerated.
1212 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1213 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1214 (optimize_object_tree): Remove unused mudflap_option.
1215 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1216 support throughout. Use .._MAX_CEM for cemetary upper bound.
1217 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1219 (__mf_object): Add new liveness field for use by tree aging.
1220 (__mf_check): Trigger tree aging when needed.
1221 (__mf_age_tree): New function to decay liveness field.
1222 (__mf_find_objects_rec): Use liveness field to rotate tree.
1223 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1224 (__mf_unregister): Ditto.
1225 (__mf_register): Tweak duplicate-static message.
1226 (__mf_violation: Tweak nearby-object counter printing.
1228 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1230 * test/pass20-frag.c: New test file.
1231 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1232 * Makefile.in: Regenerated.
1234 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1235 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1236 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1237 entries to avoid repeat registration.
1238 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1239 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1241 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1243 * Makefile.am: Create test sources with #include, not cat>>.
1244 * Makefile.in: Regenerated.
1245 * test/buildtest.sh: Removed.
1246 * test/driver.c (abort_handler, main): Be quiet.
1248 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1250 * test/pass18-frag.c, pass19-frag.c: New tests.
1251 * Makefile.am (check): Run them. Rebuild test programs each time.
1252 * Makefile.in: Regenerated.
1254 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1256 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1257 overlapping object search.
1258 (__mf_violation): Likewise for nearby objects.
1259 Improve nearby-object listing.
1262 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1263 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1265 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1268 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1269 (HOOKOBJS): Add alloca-hook.o.
1270 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1272 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1273 (__mf_backtrace): Reimplement without using alloca.
1274 * Makefile.in: Regenerated.
1277 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1278 Correct signedness bugs in length-tracking variables.
1279 * mf-impl.h: Make options unsigned.
1280 (CALL_WRAP): New macro to parallel CALL_REAL().
1281 (DECLARE): Remove erroneous ";" at end.
1282 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1283 formatting specs with %08lx. Correct several compiler warnings.
1285 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1287 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1289 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1291 libmudflap hook breakup:
1292 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1294 (TESTS): Make dependent on libmudflap.
1295 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1296 compiled from segments of mf-hooks.c.
1297 * mf-hooks.c: Corresponding changes: wrap each function in
1299 * Makefile.in: Regenerated.
1301 Heuristics reorganization:
1302 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1303 Remove these functions. Update callers.
1304 (__mf_heuristic_check): Incorporate all the various heuristics.
1305 Encode cacheability/retry judgement into trinary return value.
1306 Separate start-end logic into a separate fallback heuristic. Only
1307 register relevant /proc/self/map segments.
1308 * mf-impl.h: Corresponding changes.
1309 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1310 (__mf_init): Don't call __mf_init_heuristics.
1313 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1314 "-verbose-trace" to emit all tracing messages other than those of
1315 basic public api. Eliminate some duplicate/excessive messages.
1316 * mf-runtime.h: Corresponding changes.
1318 2002-08-27 Graydon Hoare <graydon@redhat.com>
1320 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1321 and __real when compiled with -DPIC.
1322 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1323 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1324 * Makefile.in: Regenerate.
1326 2002-08-26 Graydon Hoare <graydon@redhat.com>
1328 * mf-impl.h: New file, private implementation header.
1329 * mf-runtime.h: Reorganize a bit.
1330 (CLAMPSZ): Fix arithmetic.
1331 (__MF_CACHE_MISS_P): Fix arithmetic.
1332 * mf-runtime.c: Reorganize a bit.
1333 (__mf_dynamic): New structure.
1334 (resolve_single_dynamic): New function.
1335 (__mf_resolve_dynamics): New function.
1336 (__mf_init): Initialize dynamic wrappers.
1337 * mf-hooks.c: Macro-ize __real calls.
1338 Clamp various bits of arithmetic.
1339 Add explicit __mf_check call contexts.
1340 * Makefile.am: Add dependencies on mf-impl.h
1341 * Makefile.in: Regenerate.
1342 * configure.in: Comment out shared override.
1343 * configure: Regenerate.
1345 2002-08-22 Graydon Hoare <graydon@redhat.com>
1347 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1348 (__mf_check): Re-inialize and check heuristics before violation.
1349 (__mf_register): Permit updating pure-guess regions.
1350 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1351 (__wrap_dlopen): New wrapper function.
1352 (__wrap_mmap): New wrapper function.
1353 (__wrap_munmap): New wrapper function.
1354 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1355 which are not stack addresses.
1356 (is_stack_address): New function.
1357 (__mf_init_heuristics): Save and restore state, always initialize with
1360 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1362 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1363 error. Pass location string.
1364 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1365 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1366 (__mf_process_opts): Apply some sanity checking for lc-mask.
1367 (__mf_check, __mf_violation): Take new location-string argument.
1368 Update callers to pass NULL if necessary.
1369 (__mf_backtrace): New smart backtracer function. Calls replace
1370 several ad-hoc blocks elsewhere.
1371 (__mf_describe_object): Remove bad reentrancy test. Improve
1373 * mf-runtime.h: Corresponding changes. Public/private markup.
1374 (__MF_CACHE_MISS_P): New macro.
1376 2002-08-20 Graydon Hoare <graydon@redhat.com>
1378 * mf-runtime.h: New option: stack_bound (heuristic).
1379 Move some macros out of implementation files.
1380 * mf-runtime.c: New option string: -stack-bound.
1381 Unify recursion protection with hooks.
1383 (__mf_check): Call __mf_heuristic_check.
1384 (__mf_process_opts): Fix "no-" processing.
1385 * mf-heuristics.c (__mf_heuristic_check): New function.
1386 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1388 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1390 Option parsing improvements, region splitting bug fixes:
1391 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1392 * mf-runtime.h (heur_proc_map): New libmudflap option.
1393 * mf-runtime.c (__mf_set_default_options): Set it.
1394 (__mf_usage): Print default values/status.
1395 (__mf_process_opts): Support general "no-" option string prefix.
1396 (__mf_init): Print __mf_usage on unknown-option error.
1397 (__mf_register): Print trace message up front.
1398 Correct region splitting logic for case where a subregion disappears.
1399 Correct memory leak.
1400 (__mf_violation): Make even basic message conditional on option.
1403 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1404 (clean-local): New target.
1405 (test/*x rules): Add -g CFLAGS.
1406 (CFLAGS): Add -freorder-blocks.
1407 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1408 * Makefile.in: Regenerated.
1409 * Makefile, mf-config.h: Removed files.
1411 2002-08-16 Graydon Hoare <graydon@redhat.com>
1413 * mf-runtime.c (__mf_insert_new_object): Factor out of
1415 (__mf_remove_old_object): Factor out of __mf_unregister.
1416 (__mf_register): Handle guessed regions, splitting
1417 guesses when new registrations arrive.
1418 (__mf_unregister): Do not unregister guesses.
1419 * mf-runtime.h: Move convenience macros around,
1420 declare new option fields. Add __MF_TYPE_GUESS.
1421 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1422 (__wrap_free): Call __real_free for deferred frees.
1423 * Makefile.am: Add more tests, fix dependency.
1424 * Makefile.in: Regenerate.
1425 * test/pass[13..17]-frag.c: New testcases.
1426 * test/fail[13..17]-frag.c: New testcases.
1428 2002-08-15 Graydon Hoare <graydon@redhat.com>
1430 * mf-heuristics.c: New file.
1431 * mf-runtime.c (options): Add -trace-calls option.
1432 (__mf_init): Call __mf_init_heuristics.
1434 2002-08-14 Graydon Hoare <graydon@redhat.com>
1436 * Makefile.am (TESTS): Add testsuite support.
1437 * Makefile.in: Regenerate.
1438 * test/mf-driver.c: New file.
1439 * test/buildtest.sh: New file.
1440 * test/passNN-frag.c: New testcases.
1441 * test/failNN-frag.c: New testcases.
1443 2002-08-14 Graydon Hoare <graydon@redhat.com>
1445 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1446 verifying non-size-limited string extents.
1448 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1450 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1451 instead of plain str[n]len for internal checks.
1452 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1454 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1456 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1458 2002-08-13 Graydon Hoare <graydon@redhat.com>
1460 * mf-runtime.c: Rework configuration to operate on
1461 environment variable options rather than #defines
1462 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1463 (__mf_init): Set static __mf_active_p flag on startup,
1464 to inhibit mudflap wrap-based checking during crt0.s.
1465 * mf-runtime.h: Declare options structure.
1466 * mf-hooks.c: New wrappings for mem*, b*, str*
1467 libc functions (temporarily #if 0-ed out).
1469 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1471 * Makefile.am, configure.in: New files.
1472 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1473 * stamp-h.in, aclocal.m4: Ditto.
1475 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1477 * Makefile: New file.
1478 * mf-config.h: New file: runtime configuration.
1479 * mf-hooks.c: New file: interposed libc functions.
1480 * mf-runtime.c: New file: bulk of runtime.
1481 * mf-runtime.h: New file: public functions.