1 2004-08-03 Dale Johannesen <dalej@apple.com>
3 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
5 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
7 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
8 simplified contents in all former callers.
10 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
12 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
13 the statically linked case.
15 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
17 * splay-tree.[ch]: Remove. Merge contents into ...
18 * mf-runtime.c: ... here, renaming symbols and making all functions
19 static. Remove unused min/max functions.
20 * Makefile.am: Forget about splay-tree.[ch].
21 * Makefile.in, testsuite/Makefile.in: Regenerated.
23 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
25 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
26 (__mfu_usage): Include (C) 2004.
27 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
28 here. Include a comment explaining why.
30 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
32 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
33 * mf-runtime.c (options): Give them a name.
34 (__mf_set_default_options): Set them.
35 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
36 (__mf_violation): Warning cleanup.
37 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
38 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
40 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
43 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
46 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
48 Test case for g++/15861
49 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
50 * testsuite/libmudflap.c++/ctors.exp: Driver.
51 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
52 Look only for *frag* test cases.
54 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
56 ANSI C conversion, libmudflap specialization, recursion limiting.
57 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
58 argument and indirection function pointers, update callers.
59 (splay_tree_s): Add statistics and recursion control fields
60 num_keys, max_depth, depth, rebalance_p.
61 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
62 Back out of search if it exceeds limit.
63 (splay_tree_splay): Manage recursion limiting with rebalancing as
65 (splay_tree_new): More initialization.
66 (splay_tree_rebalance): New function.
67 (splay_tree_foreach): Rewrite using nonrecursive logic.
68 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
69 Remove. Point indirect calls to mf-runtime.c's routines.
70 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
72 (splay_tree_delete, splay_tree_delete_helper): Ditto.
73 * testsuite/heap-scalestress.c: New test based on one from
74 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
76 2004-07-05 Matthias Klose <doko@debian.org>
78 * libtool-version: New.
79 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
80 Use -version-info for soname.
81 * Makefile.in: Regenerate.
82 * configure.ac: Remove libtool_VERSION macro
83 * configure: Regenerate
85 2004-07-05 Zack Weinberg <zack@codesourcery.com>
87 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
88 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
91 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
93 Splay tree implementation fork.
94 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
95 Use hard-coded comparison function for uintptr_t. Remove key/value
96 deallocation logic. Cache last splayed key for consecutive lookups.
97 * Makefile.am, Makefile.in: Use them, don't link to them.
98 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
99 (__mf_find_objects2): Flip successor/predecessor search sequence.
100 * ansidecl.h, libiberty.h: Removed dummy files.
102 2004-06-29 Nick Clifton <nickc@redhat.com>
104 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
105 * configure: Regenerate.
106 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
108 Remove spurious inclusion of <strings.h>.
110 2004-06-29 Nick Clifton <nickc@redhat.com>
112 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
113 function actually exists.
115 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
117 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
118 * config.h.in: Regenerated.
120 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
122 Adopt splay trees for object database.
123 * Makefile.am: Copy splay-tree.* from libiberty.
124 * Makefile.in, testsuite/Makefile.in: Regenerated.
125 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
126 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
127 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
128 * mf-runtime.c: Rewrite code dealing with object database to use
129 libiberty splay trees. Remove tree liveness aging option.
130 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
132 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
134 * configure.ac: New name of configure.in. Update
135 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
136 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
137 Autoconf 2.5x and Automake 1.7 or later.
138 * configure.in: Remove.
139 * configure: Regenerate.
141 * Makefile.am: Remove useless multilib rules.
142 * Makefile.in: Regenerate.
144 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
146 * .cvsignore: New file.
148 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
151 * mf-hooks2.c (semctl): Add cygwin porting hack.
153 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
156 * configure.in: Look for ctype header and glibc implementation.
157 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
158 array hooks for glibc 2.3.
159 * mf-runtime.h.in: Wrap them.
160 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
162 * testsuite/libmudflap.c/pass47-frag.c: New test.
163 * configure, config.h.in: Regenerated.
165 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
167 Portability improvements, e.g., libmudflap/15293.
168 * configure.in: Look for glibc extension functions. Look for
169 support of -f{function,data}-sections. Look for more headers.
170 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
171 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
172 mf-hooks* into usual single object per source.
173 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
174 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
175 if system doesn't provide one.
176 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
177 (pthread_create): Use it to properly GC dead thread stacks.
178 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
179 * testsuite/Makefile.am: Stop generating site.exp.
180 * testsuite/mfconfig.exp.in: New file.
181 * testsuite/config/default.exp: Load new mfconfig.exp.
182 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
183 (prune_gcc_output): Add glibc static linking warnings.
184 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
185 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
186 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
187 Regenerated with autoconf 2.57 and automake 1.7.
189 2004-06-04 Per Bothner <per@bothner.com>
191 * configure.in (LIBMUDFLAPTH): Fix thinko.
193 * configure.in: Check for more headers.
194 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
196 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
197 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
199 2004-06-01 Andreas Jaeger <aj@suse.de>
201 * configure.in: Handle multilibs, support
202 --enable-version-specific-runtime-libs.
203 * Makefile.am (lib_LTLIBRARIES): Rename to ...
204 (toolexeclib_LTLIBRARIES): this for multilib support.
205 * Makefile.in: Regenerated.
206 * configure: Regenerated.
207 * aclocal.m4: Regenerated.
208 * config.h.in: Regenerated.
209 * testsuite/Makefile.in: Regenerated.
211 2004-06-01 Andreas Jaeger <aj@suse.de>
213 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
214 multilibs, using multilib directory instead of hardcoded path.
217 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
219 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
220 * Makefile.in: Ditto.
222 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
224 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
225 * aclocal.m4, configure: Rebuilt.
227 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
229 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
230 import some build settings from libstdc++-v3 testsuite_flags.
231 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
232 changes to pass test language.
234 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
235 quicker mode-nop handling.
237 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
239 * mf-impl.h: Added libgcc license header.
241 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
243 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
244 Added libgcc license header.
245 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
246 (pthread_create): Simplify stack allocation syntax.
248 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
250 * mf-hooks2.c: Support FreeBSD.
251 (WRAP_gets): Avoid gets().
252 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
253 test unimplemented mem/str calls on FreeBSD.
254 * testsuite/libmudflap.c/pass21-frag.c: Do not include
255 <alloca.h> on FreeBSD.
257 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
259 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
260 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
261 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
262 flags for static linking permutation.
263 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
264 some pthreads code that croaks on linux glibc tls.
266 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
268 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
270 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
272 * testsuite/libmudflap.c/pass44-frag.c: New test.
274 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
276 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
278 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
280 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
282 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
284 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
286 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
289 * configure.in: Add check for see if
290 socklen_t typedef is in sys/socket.h.
291 * mf-hooks1.c: Add define if socklen_t
293 * mf-hooks2.c: Likewise.
294 * mf-hooks3.c: Likewise.
295 * config.h.in: Regen.
298 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
300 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
301 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
303 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
304 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
305 (unoptimized) allocation of stack space.
307 2003-12-07 Richard Henderson <rth@redhat.com>
309 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
310 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
312 2003-12-06 Andrew Pinski <apinski@apple.com>
314 partial PR libmudflap/12670
315 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
316 * mf-hooks2.c: Likewise.
317 * mf-hooks3.c: Likewise.
319 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
322 * mf-runtime.h.in: Switch to #pragma redefine_extname for
323 symbols interposed at compile time.
324 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
327 * mf-hooks2.c (semctl): Tolerate FreeBSD.
329 * configure.in: Reorganize check for <pthread.h>.
330 * configure: Regenerated.
332 2003-11-04 David Edelsohn <edelsohn@gnu.org>
334 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
335 (_LARGE_FILE_API): Define for AIX.
336 * mf-hooks[123]: Same.
337 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
339 2003-10-21 David Edelsohn <edelsohn@gnu.org>
341 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
343 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
345 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
347 * configure.in: Update check for union semun.
349 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
352 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
354 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
357 * configure.in: Add checks for 64-bit LFS functions, struct semun
358 definition, for BSD compatibility.
359 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
360 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
361 * mf-hooks3.c: Ditto.
362 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
364 * configure, config.h.in: Regenerated.
366 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
368 Multithreading fixes:
369 * mf-runtime.c (__mf_object): Store allocating/deallocating
371 (options): Support new "-thread-stack" option.
372 Rename "-heur-argv-environ" option to "-heur-stdlib".
373 Disable "-lc-mask" and "-lc-shift" options.
374 (__mf_dynamic): Add function pointers for pthread_join/_exit.
375 (__assert_fail): New self-contained function for glibc.
376 * mf-hooks3.c: Essentially rewritten, particularly related to
377 use of __mf_pthread_info array.
378 (pthread_join, _exit): New hook functions.
379 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
380 * testsuite/libmudflap.cth/pass40-frag.c: New test.
383 * mf-heuristics.c: Add type casts for tracing, sub calls.
384 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
385 Update all callers to declare explicit result holder.
386 (END_PROTECT): Removed.
387 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
389 2003-07-15 Diego Novillo <dnovillo@redhat.com>
391 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
392 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
393 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
395 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
397 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
399 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
400 Move these macros from old mf-hooks.c here.
401 * Makefile.am: Adapt to split-up hook sources for faster builds.
402 * Makefile.in: Regenerated.
404 * mf-heuristics.c: Remove #if-0 block.
406 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
407 (__mf_starting_p): New state only for use while dlsym bootstrapping.
408 (CALL_REAL, __mf_init): Corresponding changes.
409 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
410 all callers to remove redundant "mf:" prefix.
411 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
412 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
413 (__mf_pthread_info): Become a hash table.
415 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
416 "dg-repetitions" directives to control test case execution.
417 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
419 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
421 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
423 * mf-hooks.c (alloca): Separate into stub.
424 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
425 malloc/free for alloca blocks.
426 (pthread_create): Tolerate failing pthread_attr_get* calls.
427 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
428 * mf-impl.h (CALL_WRAP): Remove macro.
429 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
430 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
431 padding for ia64 BIT_FIELD_REF constructs.
433 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
435 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
436 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
437 libmudflap object type.
438 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
439 crashes on unregistering STATIC objects.
441 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
443 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
444 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
445 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
446 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
447 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
448 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
449 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
450 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
451 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
452 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
453 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
454 (accept, bind, connect, gethostname, sethostname): New hooks.
455 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
456 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
457 (semop, semctl, shmctl, shmat, shmdt): New hooks.
458 * mf-runtime.h.in: Corresponding changes.
459 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
460 (opts) Rename heur_argv_environ to heur_std_data.
461 (__mf_wrap_main): Use STATIC type for argv/environ strings.
462 * Makefile.am: Corresponding changes.
463 * Makefile.in: Regenerated.
465 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
467 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
468 heuristic for threaded case, and for non-x86-linux targets.
469 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
470 for use during pre-main() program startup.
471 (__mf_0fn_*): Make these functions non-static.
472 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
474 * mf-runtime.c (__mf_state): Set initial state to "starting".
475 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
476 (__wrap_main): New function to register argv[] and environ[] strings.
478 (*): In all trace functions, use "%p" as formatter for uintptr_t.
480 * testsuite/libmudflap.c/pass38-frag.c: New test case.
481 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
483 * acinclude.m4: Add comments with aoliva's concerns about x86_64
485 * aclocal.m4, configure: Regenerated.
487 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
489 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
490 * aclocal.m4, configure: Regenerated.
492 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
494 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
495 for x86_64 target. Disable caching for this value.
496 * aclocal.m4, configure: Regenerated.
498 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
500 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
501 is about to become deprecated, and its present handling bugs are
504 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
506 * testsuite/libmudflap.c/pass38-frag.c: New test for
509 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
511 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
512 __mf_report, asserting reentrant calling context.
514 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
516 * mf-hooks.c (realloc): Correct reentrancy logic.
517 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
519 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
521 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
522 PTHREAD_THREADS_MAX. Update users.
523 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
525 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
526 with libmudflapth presence indicator.
527 * testsuite/Makefile.in: Regenerated.
529 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
531 * Makefile.am (AM_CFLAGS): Remove "-ansi".
532 * configure.in: Remove silly no-pthreads => no-shared logic.
533 * Makefile.in, configure: Regenerated.
534 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
535 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
536 code. Count reentrancy events.
537 (all hook functions): Don't directly manipulate __mf_state variable.
538 Add TRACE calls to hook functions without them.
539 * mf-impl.h (LOCKTH): Try to count lock contention events.
540 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
541 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
542 Reorganize reentrancy code.
543 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
544 identify reentrancy with mutex holding times.
545 (internal __mfu_ entry points): Remove internal reentrancy code.
546 (__mf_init): Use ordinary locked calls.
547 (__mfu_report): Print the two new counts.
548 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
549 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
550 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
551 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
554 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
556 * configure.in: Add pthread support, plus glibc and porting hacks.
557 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
558 from objects built into ./pth/.
559 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
560 functions for internal entry points. Update callers to pick
561 locked vs. unlocked variants.
562 (__mf_resolve_single_dynamic): Extend to support symbol versioning
563 info coming in from a static data structure.
564 (*): Reorder miscellaneous declarations to group data vs functions.
565 (__mf_set_default_options): Simplify.
566 (__mf_usage): Mention threading status of host executable.
567 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
568 decls to match above.
569 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
570 * mf-heuristics.c: Choose between locked/unlocked calls. Add
571 some lock/unlock markers. Remove some unused code.
573 (pthread_create): New hook function.
574 (__mf_pthread_cleanup, _spawner): New helper functions.
575 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
577 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
579 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
581 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
583 * Makefile.am (HOOKOBJS): Add *time related hooks.
584 * configure.in: Look for pthreads.h header.
585 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
586 * mf-runtime.c: Begin sketching some pthreads support.
587 (__mf_usage): Check for -lpthread presence.
588 (__mf_unregister): Confirm matching unregistration base.
589 (__mf_find_objects_rec): Reduce unnecessary recursion.
590 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
591 #defines for new hook functions.
592 * mf-impl.h: Corresponding changes.
593 * config.h.in, configure, Makefile.in: Regenerated.
595 2002-04-27 Diego Novillo <dnovillo@redhat.com>
597 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
598 modifiers to prevent being optimized away.
599 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
600 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
601 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
602 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
603 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
604 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
605 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
607 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
609 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
610 * configure.in: Look for uintptr_t and -ldl on target.
611 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
612 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
613 * testsuite/Makefile.in: Regenerated.
614 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
615 for better C compliance.
617 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
619 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
621 * mf-runtime.c (__mf_set_default_options): Turn off
622 check-initialization.
623 (__mf_describe_object): Shorten description.
624 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
626 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
628 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
630 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
632 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
634 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
635 * mf-impl.h (CALL_BACKUP): New macros.
636 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
638 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
640 * Makefile.am (AM_CFLAGS): Remove optimization flags.
641 (HOOKOBJS): Remove dlopen hook.
642 (libmudflap_la_LIBADD): Add -ldl.
643 * mf-hooks.c (dlopen): Remove hook.
644 * mf-impl.h (__mf_dynamic): Ditto.
645 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
646 * Makefile.in: Regenerated.
648 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
650 * configure.in: Check for target gettimeofday, signal, some headers.
651 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
652 out inop multi_threaded field.
653 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
654 (__mf_set_options): Correct handling of "-help".
655 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
656 (__mf_check, __mf_register, __mf_unregister): Call it.
657 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
658 (__mf_report_leaks): Make callable
659 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
660 distribution statistics.
661 (__mf_adapt_cache): Rewrite shift guessing logic based on address
663 * config.h.in, configure: Regenerated.
664 * testsuite/libmudflap.c/fail27-frag.c: New test.
665 * testsuite/libmudflap.c/pass36-frag.c: New test.
667 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
669 * mf-runtime.h.in: Tweak.
670 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
671 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
672 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
674 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
676 * configure.in: Tweak generation of mf-runtime.h some more. It
677 needs to work from both config.status and configure.
678 * configure: Regenerated.
680 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
682 * Makefile.am: Reorganize hook file building. Add auto dependencies.
683 * configure.in: Tweak generation of mf-runtime.h.
684 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
685 * mf-hooks.c (*): Adapt to initialized-heap object type.
686 * mf-impl.h: Tweak cemetary boundaries.
687 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
689 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
690 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
691 * testsuite/lib/libmudflap.exp (includes): Include build tree.
692 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
694 * testsuite/.../fail{25,26}-frag.c: New tests.
695 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
696 * Makefile.in, configure: Regenerated.
698 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
700 * mf-runtime.c (__mf_set_default_options): Turn on initialization
702 (__mf_insert_new_object): As a temporary hack, assume that new
703 objects registered on the stack start out initialized.
704 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
705 heap objects by hand.
707 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
709 Switch to macro-style hooks for str*/mem*/b* functions.
710 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
711 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
712 * mf-runtime.c: #include config.h to enable glibc backtraces again.
713 (__mf_set_default_options): Turn off heur_proc_map.
714 (*): Adapt to to macro-style hook functions.
715 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
716 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
717 (__mf_violation): Handle __MF_VIOL_WATCH.
718 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
719 (__mf_dynamic): Removed mem*/str*/b* functions.
720 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
721 (WRAPPER2): New macro for macro-style hooks.
722 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
724 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
725 * mf-heuristics.c: Adapt to macro-style hook functions.
726 Correct some comments.
727 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
728 output pattern tests.
729 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
730 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
732 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
734 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
735 for global array registration.
736 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
737 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
739 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
741 * Makefile.am: Add gross make bug workarounds. Tweaked
742 SUBDIRS and AM_CFLAGS.
743 * Makefile.in: Regenerated.
745 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
748 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
749 * Makefile.am (TESTS): Remove simple automake testing.
750 * configure, Makefile.in: Regenerated.
751 (SUBDIRS): Include new testsuite/ directory.
752 * tests/*: Removed all files; moved bulk under:
753 * testsuite/*: New subdirectory tree.
754 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
755 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
756 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
757 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
758 * testsuite/config/default.exp: New file.
759 * testsuite/Makefile.am, Makefile.in: New files.
761 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
763 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
764 (TESTS): Add fail22 and pass29 tests.
765 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
766 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
767 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
768 values. Move __MF_VIOL* here.
769 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
770 (check_initialization): New field in __mf_opts. Default off.
771 (read_count,write_count): New fields in __mf_object.
772 (__mf_check): Implement basic initialization checking.
773 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
774 (__mf_describe_object): Print new fields.
775 (__mf_violation): Identify check/read vs. check/write in messages.
776 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
777 "-check-initialized" mudflap option.
778 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
779 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
780 Drop __FILE__/__LINE__ hack. Update callers.
781 (*): Adapt to new mf-runtime.h API.
782 * Makefile.in: regenerated.
784 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
786 * configure.in: Build mf-runtime.h a more proper way.
787 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
788 * mf-runtime.c (verbose_violations): Turn on by default.
789 * mf-runtime.h.in: Remove some miscellaneous stuff ...
790 * mf-impl.h: ... and move it here.
791 * configure: Regenerated.
793 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
795 * configure.in: Look for C++ compiler.
796 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
797 fixed type warnings when built with C++.
798 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
799 * Makefile.am (TESTS): Run them.
800 (*) Add new rules for building and running C++ tests.
801 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
802 * mf-runtime.h.in: Protect with extern "C".
803 * Makefile, configure: Regenerated.
805 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
807 Portability improvements.
808 * configure.in: Look for glibc backtrace headers/functions.
809 * mf-hooks.c: Don't include <execinfo.h> any more.
810 * mf-runtime.c (__mf_set_options): Call more stdlib functions
812 (__mf_backtrace): Provide alternate baby implementation in
814 * test/mf-driver.c: Portability tweaks.
815 * acinclude.m4: New file, containing top level libtool.m4.
816 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
818 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
820 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
822 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
824 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
826 (__mf_unregister): Implement stack/heap object wiping.
827 (__mf_set_options): Renamed from __mf_process_opts.
828 (__mf_uncache_object): Change arg type, correct callers.
829 * mf-impl.h: Corresponding changes.
830 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
831 * mf-runtime.h.in (__mf_set_options): Extend public API.
832 * test/pass26-frag.c: New test for stack wiping.
833 * Makefile.am (TESTS): Run it.
834 * Makefile.in: Regenerated.
836 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
838 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
839 * mf-runtime.c (__mf_object_t): Add watching_p field.
840 (__mf_watch_or_not): New function to implement
841 object watch flagging.
842 (__mf_watch, __mf_unwatch): New wrappers for above.
843 (__mf_check, __mf_describe_object): Handle objects with watching_p.
844 (__mf_count_violation): Enlarge array.
845 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
846 unlink object. Clear cache properly.
847 (__mf_unregister): Unlink object explicitly before uncaching.
848 * test/fail21-frag.c, pass25-frag.c: New tests.
849 * Makefile.in, aclocal.m4: Regenerated.
851 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
853 * test/fail20-frag.c: New test for NULL pointer dereferencing.
854 * Makefile.am (TESTS): Add it.
855 * test/pass-stratcliff.c: Add decls of stpcpy.
856 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
857 build tree from config.h and new file mf-runtime.h.in.
858 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
859 * Makefile.in, configure, config.h.in: Regenerated.
860 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
861 * mf-runtime.c (options, __mf_set_default_options): Support new
862 default "abbreviate" option.
863 (__mf_object.description_epoch): New field.
864 (__mf_describe_object): Conditionally abbreviate objects already
865 displayed in current epoch. Accept NULL input to increment epoch.
866 (__mf_fini, __mf_ini): Reset description epoch.
867 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
868 that NULL pointer slot in lookup cache is invalidated. Register a
869 NOACCESS region around NULL.
870 * mf-impl.h: Corresponding changes.
872 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
874 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
875 * Makefile.am: Run them. Install mf-runtime.h.
876 * Makefile.in: Regenerated.
877 * mf-hooks.c: Add some markers for more missing functions.
878 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
879 statistic to tune tune cache size (mask).
881 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
883 * test/pass23-frag.c: New test for bit_field_ref expressions.
884 * Makefile.am, Makefile.in: Add new test.
885 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
886 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
887 * mf-runtime.c (__mf_init): Register errno global.
888 (__mf_find_object): Removed function.
889 (__mf_check): Rewrite logic to support accesses across some
890 contiguous but distinctly registered objects.
891 (__mf_remove_old_object): Tolerate cache entries that span
894 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
896 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
897 * Makefile.am, Makefile.in: Run new tests.
898 * mf-hooks.c (alloca): Correct stack direction logic.
900 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
902 * mf-impl.h (adapt_cache): New option.
903 * mf-runtime.c (__mf_set_default_options): Set its default value.
904 Tweak the tree_aging parameter down.
905 (__mf_check): Maintain separate counter for cache-adaptation.
906 (__mf_tree_analyze): New function to collect object tree stats.
907 (__mf_adapt_cache): New function to automate cache parameters.
909 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
911 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
912 hypothetical #if-0'd argv/envp region registration.
913 * mf-runtime.c (__mf_init): Add kludged form of above.
914 (*) Add "heur_argv_environ" flag, default on, to govern this.
915 * mf-impl.h: Corresponding changes.
917 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
919 * test/fail18-frag.c: New test file for NOACCESS regions.
920 * Makefile.am (TESTS): Add new test.
921 * Makefile.in: Regenerated.
923 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
924 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
925 (optimize_object_tree): Remove unused mudflap_option.
926 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
927 support throughout. Use .._MAX_CEM for cemetary upper bound.
928 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
930 (__mf_object): Add new liveness field for use by tree aging.
931 (__mf_check): Trigger tree aging when needed.
932 (__mf_age_tree): New function to decay liveness field.
933 (__mf_find_objects_rec): Use liveness field to rotate tree.
934 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
935 (__mf_unregister): Ditto.
936 (__mf_register): Tweak duplicate-static message.
937 (__mf_violation: Tweak nearby-object counter printing.
939 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
941 * test/pass20-frag.c: New test file.
942 * Makefile.am (TESTS): Reorganize. Add pass20 test.
943 * Makefile.in: Regenerated.
945 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
946 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
947 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
948 entries to avoid repeat registration.
949 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
950 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
952 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
954 * Makefile.am: Create test sources with #include, not cat>>.
955 * Makefile.in: Regenerated.
956 * test/buildtest.sh: Removed.
957 * test/driver.c (abort_handler, main): Be quiet.
959 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
961 * test/pass18-frag.c, pass19-frag.c: New tests.
962 * Makefile.am (check): Run them. Rebuild test programs each time.
963 * Makefile.in: Regenerated.
965 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
967 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
968 overlapping object search.
969 (__mf_violation): Likewise for nearby objects.
970 Improve nearby-object listing.
973 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
974 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
976 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
979 * Makefile.am (AM_CFLAGS): New definition of needed settings.
980 (HOOKOBJS): Add alloca-hook.o.
981 * mf-hooks.c (alloca): New function to implement alloca in libiberty
983 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
984 (__mf_backtrace): Reimplement without using alloca.
985 * Makefile.in: Regenerated.
988 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
989 Correct signedness bugs in length-tracking variables.
990 * mf-impl.h: Make options unsigned.
991 (CALL_WRAP): New macro to parallel CALL_REAL().
992 (DECLARE): Remove erroneous ";" at end.
993 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
994 formatting specs with %08lx. Correct several compiler warnings.
996 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
998 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1000 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1002 libmudflap hook breakup:
1003 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1005 (TESTS): Make dependent on libmudflap.
1006 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1007 compiled from segments of mf-hooks.c.
1008 * mf-hooks.c: Corresponding changes: wrap each function in
1010 * Makefile.in: Regenerated.
1012 Heuristics reorganization:
1013 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1014 Remove these functions. Update callers.
1015 (__mf_heuristic_check): Incorporate all the various heuristics.
1016 Encode cacheability/retry judgement into trinary return value.
1017 Separate start-end logic into a separate fallback heuristic. Only
1018 register relevant /proc/self/map segments.
1019 * mf-impl.h: Corresponding changes.
1020 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1021 (__mf_init): Don't call __mf_init_heuristics.
1024 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1025 "-verbose-trace" to emit all tracing messages other than those of
1026 basic public api. Eliminate some duplicate/excessive messages.
1027 * mf-runtime.h: Corresponding changes.
1029 2002-08-27 Graydon Hoare <graydon@redhat.com>
1031 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1032 and __real when compiled with -DPIC.
1033 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1034 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1035 * Makefile.in: Regenerate.
1037 2002-08-26 Graydon Hoare <graydon@redhat.com>
1039 * mf-impl.h: New file, private implementation header.
1040 * mf-runtime.h: Reorganize a bit.
1041 (CLAMPSZ): Fix arithmetic.
1042 (__MF_CACHE_MISS_P): Fix arithmetic.
1043 * mf-runtime.c: Reorganize a bit.
1044 (__mf_dynamic): New structure.
1045 (resolve_single_dynamic): New function.
1046 (__mf_resolve_dynamics): New function.
1047 (__mf_init): Initialize dynamic wrappers.
1048 * mf-hooks.c: Macro-ize __real calls.
1049 Clamp various bits of arithmetic.
1050 Add explicit __mf_check call contexts.
1051 * Makefile.am: Add dependencies on mf-impl.h
1052 * Makefile.in: Regenerate.
1053 * configure.in: Comment out shared override.
1054 * configure: Regenerate.
1056 2002-08-22 Graydon Hoare <graydon@redhat.com>
1058 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1059 (__mf_check): Re-inialize and check heuristics before violation.
1060 (__mf_register): Permit updating pure-guess regions.
1061 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1062 (__wrap_dlopen): New wrapper function.
1063 (__wrap_mmap): New wrapper function.
1064 (__wrap_munmap): New wrapper function.
1065 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1066 which are not stack addresses.
1067 (is_stack_address): New function.
1068 (__mf_init_heuristics): Save and restore state, always initialize with
1071 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1073 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1074 error. Pass location string.
1075 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1076 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1077 (__mf_process_opts): Apply some sanity checking for lc-mask.
1078 (__mf_check, __mf_violation): Take new location-string argument.
1079 Update callers to pass NULL if necessary.
1080 (__mf_backtrace): New smart backtracer function. Calls replace
1081 several ad-hoc blocks elsewhere.
1082 (__mf_describe_object): Remove bad reentrancy test. Improve
1084 * mf-runtime.h: Corresponding changes. Public/private markup.
1085 (__MF_CACHE_MISS_P): New macro.
1087 2002-08-20 Graydon Hoare <graydon@redhat.com>
1089 * mf-runtime.h: New option: stack_bound (heuristic).
1090 Move some macros out of implementation files.
1091 * mf-runtime.c: New option string: -stack-bound.
1092 Unify recursion protection with hooks.
1094 (__mf_check): Call __mf_heuristic_check.
1095 (__mf_process_opts): Fix "no-" processing.
1096 * mf-heuristics.c (__mf_heuristic_check): New function.
1097 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1099 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1101 Option parsing improvements, region splitting bug fixes:
1102 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1103 * mf-runtime.h (heur_proc_map): New libmudflap option.
1104 * mf-runtime.c (__mf_set_default_options): Set it.
1105 (__mf_usage): Print default values/status.
1106 (__mf_process_opts): Support general "no-" option string prefix.
1107 (__mf_init): Print __mf_usage on unknown-option error.
1108 (__mf_register): Print trace message up front.
1109 Correct region splitting logic for case where a subregion disappears.
1110 Correct memory leak.
1111 (__mf_violation): Make even basic message conditional on option.
1114 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1115 (clean-local): New target.
1116 (test/*x rules): Add -g CFLAGS.
1117 (CFLAGS): Add -freorder-blocks.
1118 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1119 * Makefile.in: Regenerated.
1120 * Makefile, mf-config.h: Removed files.
1122 2002-08-16 Graydon Hoare <graydon@redhat.com>
1124 * mf-runtime.c (__mf_insert_new_object): Factor out of
1126 (__mf_remove_old_object): Factor out of __mf_unregister.
1127 (__mf_register): Handle guessed regions, splitting
1128 guesses when new registrations arrive.
1129 (__mf_unregister): Do not unregister guesses.
1130 * mf-runtime.h: Move convenience macros around,
1131 declare new option fields. Add __MF_TYPE_GUESS.
1132 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1133 (__wrap_free): Call __real_free for deferred frees.
1134 * Makefile.am: Add more tests, fix dependency.
1135 * Makefile.in: Regenerate.
1136 * test/pass[13..17]-frag.c: New testcases.
1137 * test/fail[13..17]-frag.c: New testcases.
1139 2002-08-15 Graydon Hoare <graydon@redhat.com>
1141 * mf-heuristics.c: New file.
1142 * mf-runtime.c (options): Add -trace-calls option.
1143 (__mf_init): Call __mf_init_heuristics.
1145 2002-08-14 Graydon Hoare <graydon@redhat.com>
1147 * Makefile.am (TESTS): Add testsuite support.
1148 * Makefile.in: Regenerate.
1149 * test/mf-driver.c: New file.
1150 * test/buildtest.sh: New file.
1151 * test/passNN-frag.c: New testcases.
1152 * test/failNN-frag.c: New testcases.
1154 2002-08-14 Graydon Hoare <graydon@redhat.com>
1156 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1157 verifying non-size-limited string extents.
1159 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1161 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1162 instead of plain str[n]len for internal checks.
1163 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1165 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1167 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1169 2002-08-13 Graydon Hoare <graydon@redhat.com>
1171 * mf-runtime.c: Rework configuration to operate on
1172 environment variable options rather than #defines
1173 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1174 (__mf_init): Set static __mf_active_p flag on startup,
1175 to inhibit mudflap wrap-based checking during crt0.s.
1176 * mf-runtime.h: Declare options structure.
1177 * mf-hooks.c: New wrappings for mem*, b*, str*
1178 libc functions (temporarily #if 0-ed out).
1180 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1182 * Makefile.am, configure.in: New files.
1183 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1184 * stamp-h.in, aclocal.m4: Ditto.
1186 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1188 * Makefile: New file.
1189 * mf-config.h: New file: runtime configuration.
1190 * mf-hooks.c: New file: interposed libc functions.
1191 * mf-runtime.c: New file: bulk of runtime.
1192 * mf-runtime.h: New file: public functions.