1 2005-09-23 Tom Tromey <tromey@redhat.com>
3 * aclocal.m4, configure: Rebuilt.
4 * configure.ac: Use GCC_CHECK_TLS.
5 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
8 2005-08-22 Jim Wilson <wilson@specifix.com>
10 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
11 __FreeBSD__ is defined.
13 2005-08-17 Jim Wilson <wilson@specifix.com>
15 * mf-hooks1.c (malloc, calloc, realloc, free,
16 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
17 the real routines, and END_MALLOC_PROTECT afterwards.
18 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
19 (BEGIN_PROTECT): Handle in_malloc state.
20 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
21 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
23 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
25 * All files: Update FSF address.
27 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
29 * mf-hooks3.c (main_seen_p): Remove.
30 (__mf_get_state): Remove attempt to recognize the main thread.
32 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
34 * configure.ac: Test for the name of the symbol used for the entry
35 point; define ENTRY_POINT to the result.
36 * configure: Regenerate.
37 * config.h.in: Regenerate.
38 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
40 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
42 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
43 (__mf_init): Set thread state active.
44 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
46 (pthread_create wrapper): Always use thread spawner.
48 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
49 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
51 2005-07-16 Richard Henderson <rth@redhat.com>
53 * acinclude.m4: New file.
54 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
55 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
56 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
57 (__mf_0fn_calloc): ... here.
58 * mf-hooks3.c (struct pthread_info): Remove.
59 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
60 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
61 (struct mf_thread_data): New.
62 (mf_thread_data, mf_thread_data_lock): New.
63 (__mf_allocate_blank_threadinfo): Remove.
64 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
66 (__mf_state_perthread): Remove.
67 (__mf_get_state, __mf_set_state): New.
68 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
69 Update mf_thread_data killing procedure.
70 (__mf_pthread_spawner): Similarly.
71 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
72 code to allocate thread stack space.
73 (__mf_0fn_pthread_join, pthread_join): Remove.
74 (__mf_0fn_pthread_exit, pthread_exit): Remove.
75 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
76 (__mf_state_1): Rename from __mf_state; use TLS when available.
77 (__mf_get_state, __mf_set_state): New. Update all users.
78 * mf-runtime.c (begin_recursion_protect1): New.
79 (BEGIN_RECURSION_PROTECT): Use it.
80 (__mf_state_1): Rename from __mf_state; use TLS when available.
81 (threads_active_p): Remove.
82 (__mf_usage): Compute it directly.
84 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
86 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
88 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
90 Fix for uncaching bug reported by Herman ten Brugge.
91 * mf-runtime.c (__mf_uncache_object): Search whole cache.
92 * testsuite/libmudflap.c/fail40-frag.c: New test.
94 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
97 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
100 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
103 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
104 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
106 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
109 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
111 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
114 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
115 unsigned vars with #defines instead of enums.
117 2005-05-09 Mike Stump <mrs@apple.com>
119 * configure: Regenerate.
121 2005-04-12 Mike Stump <mrs@apple.com>
123 * configure: Regenerate.
125 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
128 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
129 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
131 2005-04-04 Alan Modra <amodra@bigpond.net.au>
133 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
135 2005-03-31 Mike Stump <mrs@apple.com>
137 * mf-runtime.h: Add libmudflap copyright clause.
139 2005-03-21 Mike Stump <mrs@apple.com>
141 * mf-heuristics.c: Fix whitespace at end of line.
142 * mf-hooks1.c: Likewise.
143 * mf-hooks2.c: Likewise.
144 * mf-hooks3.c: Likewise.
145 * mf-impl.h: Likewise.
146 * mf-runtime.c: Likewise.
147 * mf-runtime.h: Likewise.
149 2005-03-21 Zack Weinberg <zack@codesourcery.com>
151 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
152 In all substitutions, expand gcc_version in Makefile.
153 * aclocal.m4, configure: Regenerate.
154 * Makefile.am: Set gcc_version.
155 * Makefile.in, testsuite/Makefile.in: Regenerate.
157 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
159 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
160 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
162 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
165 * testsuite/libmudflap.c++/pass55-frag.c: New test.
167 2005-01-05 Richard Henderson <rth@redhat.com>
169 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
171 2005-01-02 Greg McGary <greg@mcgary.org>
173 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
174 * mf-runtime.h: New file, replaces mf-runtime.h.in.
175 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
176 * Makefile.in: Ditto.
177 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
178 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
179 * testsuite/libmudflap.c/fail36-frag.c: New test.
180 * testsuite/libmudflap.c/fail37-frag.c: New test.
181 * testsuite/libmudflap.c/fail38-frag.c: New test.
183 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
185 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
186 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
188 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
190 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
191 * aclocal.m4: Include ../config/gcc-version.m4.
192 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
194 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
196 * Makefile.am: Define ACLOCAL_AMFLAGS.
197 * acinclude.m4: Remove.
198 * stamp-h.in: Remove superfluous stamp file.
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: Revert previous.
205 * acinclude.m4: Restore.
206 * aclocal.m4, configure, Makefile.in: Regenerate.
207 * testsuite/Makefile.in: Likewise.
209 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
211 * Makefile.am: Define ACLOCAL_AMFLAGS.
212 * acinclude.m4: Remove.
213 * aclocal.m4, configure, Makefile.in: Regenerate.
214 * testsuite/Makefile.in: Likewise.
216 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
218 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
220 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
222 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
223 * testsuite/Makefile.in: Likewise.
225 2004-11-01 Andreas Schwab <schwab@suse.de>
227 * configure.ac: (target_alias): Default to $host_alias, not
229 * configure: Regenerated.
231 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
233 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
234 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
237 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
240 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
242 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
244 * configure.ac: Check for more headers, functions.
245 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
246 tracking overridden FILE buffers.
247 (fopen, setvbuf): New/revised hook functions for buffer overriding.
248 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
249 (fflush): Accept given NULL stream (means "all streams").
251 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
253 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
254 (__mf_adapt_cache): Use them all.
255 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
256 * testsuite/libmudflap.c++/ctors.exp: Ditto.
257 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
258 * configure, config.h.in: Regenerated.
260 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
262 * configure.ac: Checking for sys/socket.h once is enough.
263 * configure: Regenerated.
265 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
267 * configure.ac: Look for more headers & functions.
268 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
269 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
270 * mf-runtime.c (options): Clean up integer signedness warnings.
271 (main): Add a declaration to fix a warning.
272 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
273 * configure, config.h.in: Regenerated.
275 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
277 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
278 New tests for proper base/limit checking for aggregates.
280 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
282 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
284 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
286 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
287 * mf-hooks2.c (strerror): Unregister previous string returned by
289 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
290 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
291 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
292 * mf-runtime.c (__mf_describe_object): Clarify object life status.
293 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
295 * configure, config.h.in: Regenerated.
297 2004-08-03 Dale Johannesen <dalej@apple.com>
299 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
301 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
303 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
304 simplified contents in all former callers.
306 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
308 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
309 the statically linked case.
311 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
313 * splay-tree.[ch]: Remove. Merge contents into ...
314 * mf-runtime.c: ... here, renaming symbols and making all functions
315 static. Remove unused min/max functions.
316 * Makefile.am: Forget about splay-tree.[ch].
317 * Makefile.in, testsuite/Makefile.in: Regenerated.
319 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
321 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
322 (__mfu_usage): Include (C) 2004.
323 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
324 here. Include a comment explaining why.
326 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
328 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
329 * mf-runtime.c (options): Give them a name.
330 (__mf_set_default_options): Set them.
331 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
332 (__mf_violation): Warning cleanup.
333 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
334 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
336 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
339 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
342 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
344 Test case for g++/15861
345 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
346 * testsuite/libmudflap.c++/ctors.exp: Driver.
347 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
348 Look only for *frag* test cases.
350 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
352 ANSI C conversion, libmudflap specialization, recursion limiting.
353 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
354 argument and indirection function pointers, update callers.
355 (splay_tree_s): Add statistics and recursion control fields
356 num_keys, max_depth, depth, rebalance_p.
357 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
358 Back out of search if it exceeds limit.
359 (splay_tree_splay): Manage recursion limiting with rebalancing as
361 (splay_tree_new): More initialization.
362 (splay_tree_rebalance): New function.
363 (splay_tree_foreach): Rewrite using nonrecursive logic.
364 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
365 Remove. Point indirect calls to mf-runtime.c's routines.
366 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
368 (splay_tree_delete, splay_tree_delete_helper): Ditto.
369 * testsuite/heap-scalestress.c: New test based on one from
370 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
372 2004-07-05 Matthias Klose <doko@debian.org>
374 * libtool-version: New.
375 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
376 Use -version-info for soname.
377 * Makefile.in: Regenerate.
378 * configure.ac: Remove libtool_VERSION macro
379 * configure: Regenerate
381 2004-07-05 Zack Weinberg <zack@codesourcery.com>
383 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
384 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
387 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
389 Splay tree implementation fork.
390 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
391 Use hard-coded comparison function for uintptr_t. Remove key/value
392 deallocation logic. Cache last splayed key for consecutive lookups.
393 * Makefile.am, Makefile.in: Use them, don't link to them.
394 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
395 (__mf_find_objects2): Flip successor/predecessor search sequence.
396 * ansidecl.h, libiberty.h: Removed dummy files.
398 2004-06-29 Nick Clifton <nickc@redhat.com>
400 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
401 * configure: Regenerate.
402 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
404 Remove spurious inclusion of <strings.h>.
406 2004-06-29 Nick Clifton <nickc@redhat.com>
408 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
409 function actually exists.
411 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
413 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
414 * config.h.in: Regenerated.
416 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
418 Adopt splay trees for object database.
419 * Makefile.am: Copy splay-tree.* from libiberty.
420 * Makefile.in, testsuite/Makefile.in: Regenerated.
421 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
422 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
423 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
424 * mf-runtime.c: Rewrite code dealing with object database to use
425 libiberty splay trees. Remove tree liveness aging option.
426 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
428 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
430 * configure.ac: New name of configure.in. Update
431 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
432 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
433 Autoconf 2.5x and Automake 1.7 or later.
434 * configure.in: Remove.
435 * configure: Regenerate.
437 * Makefile.am: Remove useless multilib rules.
438 * Makefile.in: Regenerate.
440 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
442 * .cvsignore: New file.
444 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
447 * mf-hooks2.c (semctl): Add cygwin porting hack.
449 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
452 * configure.in: Look for ctype header and glibc implementation.
453 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
454 array hooks for glibc 2.3.
455 * mf-runtime.h.in: Wrap them.
456 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
458 * testsuite/libmudflap.c/pass47-frag.c: New test.
459 * configure, config.h.in: Regenerated.
461 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
463 Portability improvements, e.g., libmudflap/15293.
464 * configure.in: Look for glibc extension functions. Look for
465 support of -f{function,data}-sections. Look for more headers.
466 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
467 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
468 mf-hooks* into usual single object per source.
469 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
470 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
471 if system doesn't provide one.
472 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
473 (pthread_create): Use it to properly GC dead thread stacks.
474 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
475 * testsuite/Makefile.am: Stop generating site.exp.
476 * testsuite/mfconfig.exp.in: New file.
477 * testsuite/config/default.exp: Load new mfconfig.exp.
478 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
479 (prune_gcc_output): Add glibc static linking warnings.
480 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
481 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
482 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
483 Regenerated with autoconf 2.57 and automake 1.7.
485 2004-06-04 Per Bothner <per@bothner.com>
487 * configure.in (LIBMUDFLAPTH): Fix thinko.
489 * configure.in: Check for more headers.
490 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
492 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
493 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
495 2004-06-01 Andreas Jaeger <aj@suse.de>
497 * configure.in: Handle multilibs, support
498 --enable-version-specific-runtime-libs.
499 * Makefile.am (lib_LTLIBRARIES): Rename to ...
500 (toolexeclib_LTLIBRARIES): this for multilib support.
501 * Makefile.in: Regenerated.
502 * configure: Regenerated.
503 * aclocal.m4: Regenerated.
504 * config.h.in: Regenerated.
505 * testsuite/Makefile.in: Regenerated.
507 2004-06-01 Andreas Jaeger <aj@suse.de>
509 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
510 multilibs, using multilib directory instead of hardcoded path.
513 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
515 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
516 * Makefile.in: Ditto.
518 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
520 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
521 * aclocal.m4, configure: Rebuilt.
523 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
525 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
526 import some build settings from libstdc++-v3 testsuite_flags.
527 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
528 changes to pass test language.
530 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
531 quicker mode-nop handling.
533 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
535 * mf-impl.h: Added libgcc license header.
537 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
539 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
540 Added libgcc license header.
541 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
542 (pthread_create): Simplify stack allocation syntax.
544 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
546 * mf-hooks2.c: Support FreeBSD.
547 (WRAP_gets): Avoid gets().
548 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
549 test unimplemented mem/str calls on FreeBSD.
550 * testsuite/libmudflap.c/pass21-frag.c: Do not include
551 <alloca.h> on FreeBSD.
553 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
555 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
556 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
557 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
558 flags for static linking permutation.
559 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
560 some pthreads code that croaks on linux glibc tls.
562 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
564 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
566 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
568 * testsuite/libmudflap.c/pass44-frag.c: New test.
570 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
572 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
574 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
576 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
578 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
580 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
582 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
585 * configure.in: Add check for see if
586 socklen_t typedef is in sys/socket.h.
587 * mf-hooks1.c: Add define if socklen_t
589 * mf-hooks2.c: Likewise.
590 * mf-hooks3.c: Likewise.
591 * config.h.in: Regen.
594 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
596 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
597 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
599 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
600 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
601 (unoptimized) allocation of stack space.
603 2003-12-07 Richard Henderson <rth@redhat.com>
605 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
606 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
608 2003-12-06 Andrew Pinski <apinski@apple.com>
610 partial PR libmudflap/12670
611 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
612 * mf-hooks2.c: Likewise.
613 * mf-hooks3.c: Likewise.
615 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
618 * mf-runtime.h.in: Switch to #pragma redefine_extname for
619 symbols interposed at compile time.
620 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
623 * mf-hooks2.c (semctl): Tolerate FreeBSD.
625 * configure.in: Reorganize check for <pthread.h>.
626 * configure: Regenerated.
628 2003-11-04 David Edelsohn <edelsohn@gnu.org>
630 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
631 (_LARGE_FILE_API): Define for AIX.
632 * mf-hooks[123]: Same.
633 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
635 2003-10-21 David Edelsohn <edelsohn@gnu.org>
637 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
639 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
641 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
643 * configure.in: Update check for union semun.
645 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
648 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
650 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
653 * configure.in: Add checks for 64-bit LFS functions, struct semun
654 definition, for BSD compatibility.
655 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
656 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
657 * mf-hooks3.c: Ditto.
658 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
660 * configure, config.h.in: Regenerated.
662 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
664 Multithreading fixes:
665 * mf-runtime.c (__mf_object): Store allocating/deallocating
667 (options): Support new "-thread-stack" option.
668 Rename "-heur-argv-environ" option to "-heur-stdlib".
669 Disable "-lc-mask" and "-lc-shift" options.
670 (__mf_dynamic): Add function pointers for pthread_join/_exit.
671 (__assert_fail): New self-contained function for glibc.
672 * mf-hooks3.c: Essentially rewritten, particularly related to
673 use of __mf_pthread_info array.
674 (pthread_join, _exit): New hook functions.
675 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
676 * testsuite/libmudflap.cth/pass40-frag.c: New test.
679 * mf-heuristics.c: Add type casts for tracing, sub calls.
680 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
681 Update all callers to declare explicit result holder.
682 (END_PROTECT): Removed.
683 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
685 2003-07-15 Diego Novillo <dnovillo@redhat.com>
687 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
688 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
689 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
691 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
693 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
695 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
696 Move these macros from old mf-hooks.c here.
697 * Makefile.am: Adapt to split-up hook sources for faster builds.
698 * Makefile.in: Regenerated.
700 * mf-heuristics.c: Remove #if-0 block.
702 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
703 (__mf_starting_p): New state only for use while dlsym bootstrapping.
704 (CALL_REAL, __mf_init): Corresponding changes.
705 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
706 all callers to remove redundant "mf:" prefix.
707 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
708 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
709 (__mf_pthread_info): Become a hash table.
711 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
712 "dg-repetitions" directives to control test case execution.
713 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
715 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
717 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
719 * mf-hooks.c (alloca): Separate into stub.
720 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
721 malloc/free for alloca blocks.
722 (pthread_create): Tolerate failing pthread_attr_get* calls.
723 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
724 * mf-impl.h (CALL_WRAP): Remove macro.
725 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
726 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
727 padding for ia64 BIT_FIELD_REF constructs.
729 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
731 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
732 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
733 libmudflap object type.
734 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
735 crashes on unregistering STATIC objects.
737 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
739 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
740 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
741 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
742 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
743 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
744 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
745 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
746 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
747 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
748 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
749 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
750 (accept, bind, connect, gethostname, sethostname): New hooks.
751 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
752 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
753 (semop, semctl, shmctl, shmat, shmdt): New hooks.
754 * mf-runtime.h.in: Corresponding changes.
755 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
756 (opts) Rename heur_argv_environ to heur_std_data.
757 (__mf_wrap_main): Use STATIC type for argv/environ strings.
758 * Makefile.am: Corresponding changes.
759 * Makefile.in: Regenerated.
761 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
763 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
764 heuristic for threaded case, and for non-x86-linux targets.
765 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
766 for use during pre-main() program startup.
767 (__mf_0fn_*): Make these functions non-static.
768 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
770 * mf-runtime.c (__mf_state): Set initial state to "starting".
771 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
772 (__wrap_main): New function to register argv[] and environ[] strings.
774 (*): In all trace functions, use "%p" as formatter for uintptr_t.
776 * testsuite/libmudflap.c/pass38-frag.c: New test case.
777 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
779 * acinclude.m4: Add comments with aoliva's concerns about x86_64
781 * aclocal.m4, configure: Regenerated.
783 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
785 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
786 * aclocal.m4, configure: Regenerated.
788 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
790 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
791 for x86_64 target. Disable caching for this value.
792 * aclocal.m4, configure: Regenerated.
794 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
796 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
797 is about to become deprecated, and its present handling bugs are
800 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
802 * testsuite/libmudflap.c/pass38-frag.c: New test for
805 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
807 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
808 __mf_report, asserting reentrant calling context.
810 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
812 * mf-hooks.c (realloc): Correct reentrancy logic.
813 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
815 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
817 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
818 PTHREAD_THREADS_MAX. Update users.
819 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
821 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
822 with libmudflapth presence indicator.
823 * testsuite/Makefile.in: Regenerated.
825 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
827 * Makefile.am (AM_CFLAGS): Remove "-ansi".
828 * configure.in: Remove silly no-pthreads => no-shared logic.
829 * Makefile.in, configure: Regenerated.
830 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
831 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
832 code. Count reentrancy events.
833 (all hook functions): Don't directly manipulate __mf_state variable.
834 Add TRACE calls to hook functions without them.
835 * mf-impl.h (LOCKTH): Try to count lock contention events.
836 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
837 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
838 Reorganize reentrancy code.
839 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
840 identify reentrancy with mutex holding times.
841 (internal __mfu_ entry points): Remove internal reentrancy code.
842 (__mf_init): Use ordinary locked calls.
843 (__mfu_report): Print the two new counts.
844 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
845 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
846 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
847 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
850 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
852 * configure.in: Add pthread support, plus glibc and porting hacks.
853 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
854 from objects built into ./pth/.
855 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
856 functions for internal entry points. Update callers to pick
857 locked vs. unlocked variants.
858 (__mf_resolve_single_dynamic): Extend to support symbol versioning
859 info coming in from a static data structure.
860 (*): Reorder miscellaneous declarations to group data vs functions.
861 (__mf_set_default_options): Simplify.
862 (__mf_usage): Mention threading status of host executable.
863 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
864 decls to match above.
865 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
866 * mf-heuristics.c: Choose between locked/unlocked calls. Add
867 some lock/unlock markers. Remove some unused code.
869 (pthread_create): New hook function.
870 (__mf_pthread_cleanup, _spawner): New helper functions.
871 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
873 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
875 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
877 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
879 * Makefile.am (HOOKOBJS): Add *time related hooks.
880 * configure.in: Look for pthreads.h header.
881 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
882 * mf-runtime.c: Begin sketching some pthreads support.
883 (__mf_usage): Check for -lpthread presence.
884 (__mf_unregister): Confirm matching unregistration base.
885 (__mf_find_objects_rec): Reduce unnecessary recursion.
886 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
887 #defines for new hook functions.
888 * mf-impl.h: Corresponding changes.
889 * config.h.in, configure, Makefile.in: Regenerated.
891 2002-04-27 Diego Novillo <dnovillo@redhat.com>
893 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
894 modifiers to prevent being optimized away.
895 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
896 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
897 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
898 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
899 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
900 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
901 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
903 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
905 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
906 * configure.in: Look for uintptr_t and -ldl on target.
907 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
908 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
909 * testsuite/Makefile.in: Regenerated.
910 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
911 for better C compliance.
913 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
915 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
917 * mf-runtime.c (__mf_set_default_options): Turn off
918 check-initialization.
919 (__mf_describe_object): Shorten description.
920 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
922 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
924 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
926 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
928 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
930 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
931 * mf-impl.h (CALL_BACKUP): New macros.
932 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
934 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
936 * Makefile.am (AM_CFLAGS): Remove optimization flags.
937 (HOOKOBJS): Remove dlopen hook.
938 (libmudflap_la_LIBADD): Add -ldl.
939 * mf-hooks.c (dlopen): Remove hook.
940 * mf-impl.h (__mf_dynamic): Ditto.
941 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
942 * Makefile.in: Regenerated.
944 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
946 * configure.in: Check for target gettimeofday, signal, some headers.
947 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
948 out inop multi_threaded field.
949 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
950 (__mf_set_options): Correct handling of "-help".
951 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
952 (__mf_check, __mf_register, __mf_unregister): Call it.
953 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
954 (__mf_report_leaks): Make callable
955 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
956 distribution statistics.
957 (__mf_adapt_cache): Rewrite shift guessing logic based on address
959 * config.h.in, configure: Regenerated.
960 * testsuite/libmudflap.c/fail27-frag.c: New test.
961 * testsuite/libmudflap.c/pass36-frag.c: New test.
963 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
965 * mf-runtime.h.in: Tweak.
966 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
967 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
968 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
970 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
972 * configure.in: Tweak generation of mf-runtime.h some more. It
973 needs to work from both config.status and configure.
974 * configure: Regenerated.
976 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
978 * Makefile.am: Reorganize hook file building. Add auto dependencies.
979 * configure.in: Tweak generation of mf-runtime.h.
980 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
981 * mf-hooks.c (*): Adapt to initialized-heap object type.
982 * mf-impl.h: Tweak cemetary boundaries.
983 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
985 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
986 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
987 * testsuite/lib/libmudflap.exp (includes): Include build tree.
988 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
990 * testsuite/.../fail{25,26}-frag.c: New tests.
991 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
992 * Makefile.in, configure: Regenerated.
994 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
996 * mf-runtime.c (__mf_set_default_options): Turn on initialization
998 (__mf_insert_new_object): As a temporary hack, assume that new
999 objects registered on the stack start out initialized.
1000 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1001 heap objects by hand.
1003 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1005 Switch to macro-style hooks for str*/mem*/b* functions.
1006 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1007 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1008 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1009 (__mf_set_default_options): Turn off heur_proc_map.
1010 (*): Adapt to to macro-style hook functions.
1011 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1012 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1013 (__mf_violation): Handle __MF_VIOL_WATCH.
1014 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1015 (__mf_dynamic): Removed mem*/str*/b* functions.
1016 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1017 (WRAPPER2): New macro for macro-style hooks.
1018 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1020 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1021 * mf-heuristics.c: Adapt to macro-style hook functions.
1022 Correct some comments.
1023 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1024 output pattern tests.
1025 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1026 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1028 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1030 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1031 for global array registration.
1032 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1033 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1035 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1037 * Makefile.am: Add gross make bug workarounds. Tweaked
1038 SUBDIRS and AM_CFLAGS.
1039 * Makefile.in: Regenerated.
1041 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1044 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1045 * Makefile.am (TESTS): Remove simple automake testing.
1046 * configure, Makefile.in: Regenerated.
1047 (SUBDIRS): Include new testsuite/ directory.
1048 * tests/*: Removed all files; moved bulk under:
1049 * testsuite/*: New subdirectory tree.
1050 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1051 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1052 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1053 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1054 * testsuite/config/default.exp: New file.
1055 * testsuite/Makefile.am, Makefile.in: New files.
1057 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1059 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1060 (TESTS): Add fail22 and pass29 tests.
1061 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1062 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1063 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1064 values. Move __MF_VIOL* here.
1065 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1066 (check_initialization): New field in __mf_opts. Default off.
1067 (read_count,write_count): New fields in __mf_object.
1068 (__mf_check): Implement basic initialization checking.
1069 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1070 (__mf_describe_object): Print new fields.
1071 (__mf_violation): Identify check/read vs. check/write in messages.
1072 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1073 "-check-initialized" mudflap option.
1074 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1075 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1076 Drop __FILE__/__LINE__ hack. Update callers.
1077 (*): Adapt to new mf-runtime.h API.
1078 * Makefile.in: regenerated.
1080 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1082 * configure.in: Build mf-runtime.h a more proper way.
1083 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1084 * mf-runtime.c (verbose_violations): Turn on by default.
1085 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1086 * mf-impl.h: ... and move it here.
1087 * configure: Regenerated.
1089 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1091 * configure.in: Look for C++ compiler.
1092 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1093 fixed type warnings when built with C++.
1094 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1095 * Makefile.am (TESTS): Run them.
1096 (*) Add new rules for building and running C++ tests.
1097 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1098 * mf-runtime.h.in: Protect with extern "C".
1099 * Makefile, configure: Regenerated.
1101 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1103 Portability improvements.
1104 * configure.in: Look for glibc backtrace headers/functions.
1105 * mf-hooks.c: Don't include <execinfo.h> any more.
1106 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1108 (__mf_backtrace): Provide alternate baby implementation in
1110 * test/mf-driver.c: Portability tweaks.
1111 * acinclude.m4: New file, containing top level libtool.m4.
1112 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1114 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1116 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1118 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1120 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1122 (__mf_unregister): Implement stack/heap object wiping.
1123 (__mf_set_options): Renamed from __mf_process_opts.
1124 (__mf_uncache_object): Change arg type, correct callers.
1125 * mf-impl.h: Corresponding changes.
1126 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1127 * mf-runtime.h.in (__mf_set_options): Extend public API.
1128 * test/pass26-frag.c: New test for stack wiping.
1129 * Makefile.am (TESTS): Run it.
1130 * Makefile.in: Regenerated.
1132 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1134 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1135 * mf-runtime.c (__mf_object_t): Add watching_p field.
1136 (__mf_watch_or_not): New function to implement
1137 object watch flagging.
1138 (__mf_watch, __mf_unwatch): New wrappers for above.
1139 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1140 (__mf_count_violation): Enlarge array.
1141 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1142 unlink object. Clear cache properly.
1143 (__mf_unregister): Unlink object explicitly before uncaching.
1144 * test/fail21-frag.c, pass25-frag.c: New tests.
1145 * Makefile.in, aclocal.m4: Regenerated.
1147 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1149 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1150 * Makefile.am (TESTS): Add it.
1151 * test/pass-stratcliff.c: Add decls of stpcpy.
1152 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1153 build tree from config.h and new file mf-runtime.h.in.
1154 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1155 * Makefile.in, configure, config.h.in: Regenerated.
1156 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1157 * mf-runtime.c (options, __mf_set_default_options): Support new
1158 default "abbreviate" option.
1159 (__mf_object.description_epoch): New field.
1160 (__mf_describe_object): Conditionally abbreviate objects already
1161 displayed in current epoch. Accept NULL input to increment epoch.
1162 (__mf_fini, __mf_ini): Reset description epoch.
1163 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1164 that NULL pointer slot in lookup cache is invalidated. Register a
1165 NOACCESS region around NULL.
1166 * mf-impl.h: Corresponding changes.
1168 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1170 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1171 * Makefile.am: Run them. Install mf-runtime.h.
1172 * Makefile.in: Regenerated.
1173 * mf-hooks.c: Add some markers for more missing functions.
1174 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1175 statistic to tune tune cache size (mask).
1177 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1179 * test/pass23-frag.c: New test for bit_field_ref expressions.
1180 * Makefile.am, Makefile.in: Add new test.
1181 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1182 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1183 * mf-runtime.c (__mf_init): Register errno global.
1184 (__mf_find_object): Removed function.
1185 (__mf_check): Rewrite logic to support accesses across some
1186 contiguous but distinctly registered objects.
1187 (__mf_remove_old_object): Tolerate cache entries that span
1190 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1192 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1193 * Makefile.am, Makefile.in: Run new tests.
1194 * mf-hooks.c (alloca): Correct stack direction logic.
1196 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1198 * mf-impl.h (adapt_cache): New option.
1199 * mf-runtime.c (__mf_set_default_options): Set its default value.
1200 Tweak the tree_aging parameter down.
1201 (__mf_check): Maintain separate counter for cache-adaptation.
1202 (__mf_tree_analyze): New function to collect object tree stats.
1203 (__mf_adapt_cache): New function to automate cache parameters.
1205 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1207 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1208 hypothetical #if-0'd argv/envp region registration.
1209 * mf-runtime.c (__mf_init): Add kludged form of above.
1210 (*) Add "heur_argv_environ" flag, default on, to govern this.
1211 * mf-impl.h: Corresponding changes.
1213 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1215 * test/fail18-frag.c: New test file for NOACCESS regions.
1216 * Makefile.am (TESTS): Add new test.
1217 * Makefile.in: Regenerated.
1219 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1220 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1221 (optimize_object_tree): Remove unused mudflap_option.
1222 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1223 support throughout. Use .._MAX_CEM for cemetary upper bound.
1224 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1226 (__mf_object): Add new liveness field for use by tree aging.
1227 (__mf_check): Trigger tree aging when needed.
1228 (__mf_age_tree): New function to decay liveness field.
1229 (__mf_find_objects_rec): Use liveness field to rotate tree.
1230 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1231 (__mf_unregister): Ditto.
1232 (__mf_register): Tweak duplicate-static message.
1233 (__mf_violation: Tweak nearby-object counter printing.
1235 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1237 * test/pass20-frag.c: New test file.
1238 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1239 * Makefile.in: Regenerated.
1241 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1242 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1243 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1244 entries to avoid repeat registration.
1245 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1246 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1248 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1250 * Makefile.am: Create test sources with #include, not cat>>.
1251 * Makefile.in: Regenerated.
1252 * test/buildtest.sh: Removed.
1253 * test/driver.c (abort_handler, main): Be quiet.
1255 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1257 * test/pass18-frag.c, pass19-frag.c: New tests.
1258 * Makefile.am (check): Run them. Rebuild test programs each time.
1259 * Makefile.in: Regenerated.
1261 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1263 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1264 overlapping object search.
1265 (__mf_violation): Likewise for nearby objects.
1266 Improve nearby-object listing.
1269 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1270 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1272 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1275 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1276 (HOOKOBJS): Add alloca-hook.o.
1277 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1279 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1280 (__mf_backtrace): Reimplement without using alloca.
1281 * Makefile.in: Regenerated.
1284 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1285 Correct signedness bugs in length-tracking variables.
1286 * mf-impl.h: Make options unsigned.
1287 (CALL_WRAP): New macro to parallel CALL_REAL().
1288 (DECLARE): Remove erroneous ";" at end.
1289 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1290 formatting specs with %08lx. Correct several compiler warnings.
1292 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1294 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1296 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1298 libmudflap hook breakup:
1299 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1301 (TESTS): Make dependent on libmudflap.
1302 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1303 compiled from segments of mf-hooks.c.
1304 * mf-hooks.c: Corresponding changes: wrap each function in
1306 * Makefile.in: Regenerated.
1308 Heuristics reorganization:
1309 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1310 Remove these functions. Update callers.
1311 (__mf_heuristic_check): Incorporate all the various heuristics.
1312 Encode cacheability/retry judgement into trinary return value.
1313 Separate start-end logic into a separate fallback heuristic. Only
1314 register relevant /proc/self/map segments.
1315 * mf-impl.h: Corresponding changes.
1316 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1317 (__mf_init): Don't call __mf_init_heuristics.
1320 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1321 "-verbose-trace" to emit all tracing messages other than those of
1322 basic public api. Eliminate some duplicate/excessive messages.
1323 * mf-runtime.h: Corresponding changes.
1325 2002-08-27 Graydon Hoare <graydon@redhat.com>
1327 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1328 and __real when compiled with -DPIC.
1329 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1330 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1331 * Makefile.in: Regenerate.
1333 2002-08-26 Graydon Hoare <graydon@redhat.com>
1335 * mf-impl.h: New file, private implementation header.
1336 * mf-runtime.h: Reorganize a bit.
1337 (CLAMPSZ): Fix arithmetic.
1338 (__MF_CACHE_MISS_P): Fix arithmetic.
1339 * mf-runtime.c: Reorganize a bit.
1340 (__mf_dynamic): New structure.
1341 (resolve_single_dynamic): New function.
1342 (__mf_resolve_dynamics): New function.
1343 (__mf_init): Initialize dynamic wrappers.
1344 * mf-hooks.c: Macro-ize __real calls.
1345 Clamp various bits of arithmetic.
1346 Add explicit __mf_check call contexts.
1347 * Makefile.am: Add dependencies on mf-impl.h
1348 * Makefile.in: Regenerate.
1349 * configure.in: Comment out shared override.
1350 * configure: Regenerate.
1352 2002-08-22 Graydon Hoare <graydon@redhat.com>
1354 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1355 (__mf_check): Re-inialize and check heuristics before violation.
1356 (__mf_register): Permit updating pure-guess regions.
1357 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1358 (__wrap_dlopen): New wrapper function.
1359 (__wrap_mmap): New wrapper function.
1360 (__wrap_munmap): New wrapper function.
1361 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1362 which are not stack addresses.
1363 (is_stack_address): New function.
1364 (__mf_init_heuristics): Save and restore state, always initialize with
1367 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1369 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1370 error. Pass location string.
1371 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1372 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1373 (__mf_process_opts): Apply some sanity checking for lc-mask.
1374 (__mf_check, __mf_violation): Take new location-string argument.
1375 Update callers to pass NULL if necessary.
1376 (__mf_backtrace): New smart backtracer function. Calls replace
1377 several ad-hoc blocks elsewhere.
1378 (__mf_describe_object): Remove bad reentrancy test. Improve
1380 * mf-runtime.h: Corresponding changes. Public/private markup.
1381 (__MF_CACHE_MISS_P): New macro.
1383 2002-08-20 Graydon Hoare <graydon@redhat.com>
1385 * mf-runtime.h: New option: stack_bound (heuristic).
1386 Move some macros out of implementation files.
1387 * mf-runtime.c: New option string: -stack-bound.
1388 Unify recursion protection with hooks.
1390 (__mf_check): Call __mf_heuristic_check.
1391 (__mf_process_opts): Fix "no-" processing.
1392 * mf-heuristics.c (__mf_heuristic_check): New function.
1393 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1395 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1397 Option parsing improvements, region splitting bug fixes:
1398 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1399 * mf-runtime.h (heur_proc_map): New libmudflap option.
1400 * mf-runtime.c (__mf_set_default_options): Set it.
1401 (__mf_usage): Print default values/status.
1402 (__mf_process_opts): Support general "no-" option string prefix.
1403 (__mf_init): Print __mf_usage on unknown-option error.
1404 (__mf_register): Print trace message up front.
1405 Correct region splitting logic for case where a subregion disappears.
1406 Correct memory leak.
1407 (__mf_violation): Make even basic message conditional on option.
1410 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1411 (clean-local): New target.
1412 (test/*x rules): Add -g CFLAGS.
1413 (CFLAGS): Add -freorder-blocks.
1414 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1415 * Makefile.in: Regenerated.
1416 * Makefile, mf-config.h: Removed files.
1418 2002-08-16 Graydon Hoare <graydon@redhat.com>
1420 * mf-runtime.c (__mf_insert_new_object): Factor out of
1422 (__mf_remove_old_object): Factor out of __mf_unregister.
1423 (__mf_register): Handle guessed regions, splitting
1424 guesses when new registrations arrive.
1425 (__mf_unregister): Do not unregister guesses.
1426 * mf-runtime.h: Move convenience macros around,
1427 declare new option fields. Add __MF_TYPE_GUESS.
1428 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1429 (__wrap_free): Call __real_free for deferred frees.
1430 * Makefile.am: Add more tests, fix dependency.
1431 * Makefile.in: Regenerate.
1432 * test/pass[13..17]-frag.c: New testcases.
1433 * test/fail[13..17]-frag.c: New testcases.
1435 2002-08-15 Graydon Hoare <graydon@redhat.com>
1437 * mf-heuristics.c: New file.
1438 * mf-runtime.c (options): Add -trace-calls option.
1439 (__mf_init): Call __mf_init_heuristics.
1441 2002-08-14 Graydon Hoare <graydon@redhat.com>
1443 * Makefile.am (TESTS): Add testsuite support.
1444 * Makefile.in: Regenerate.
1445 * test/mf-driver.c: New file.
1446 * test/buildtest.sh: New file.
1447 * test/passNN-frag.c: New testcases.
1448 * test/failNN-frag.c: New testcases.
1450 2002-08-14 Graydon Hoare <graydon@redhat.com>
1452 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1453 verifying non-size-limited string extents.
1455 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1457 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1458 instead of plain str[n]len for internal checks.
1459 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1461 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1463 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1465 2002-08-13 Graydon Hoare <graydon@redhat.com>
1467 * mf-runtime.c: Rework configuration to operate on
1468 environment variable options rather than #defines
1469 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1470 (__mf_init): Set static __mf_active_p flag on startup,
1471 to inhibit mudflap wrap-based checking during crt0.s.
1472 * mf-runtime.h: Declare options structure.
1473 * mf-hooks.c: New wrappings for mem*, b*, str*
1474 libc functions (temporarily #if 0-ed out).
1476 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1478 * Makefile.am, configure.in: New files.
1479 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1480 * stamp-h.in, aclocal.m4: Ditto.
1482 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1484 * Makefile: New file.
1485 * mf-config.h: New file: runtime configuration.
1486 * mf-hooks.c: New file: interposed libc functions.
1487 * mf-runtime.c: New file: bulk of runtime.
1488 * mf-runtime.h: New file: public functions.