1 2004-07-05 Matthias Klose <doko@debian.org>
3 * libtool-version: New.
4 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
5 Use -version-info for soname.
6 * Makefile.in: Regenerate.
7 * configure.ac: Remove libtool_VERSION macro
8 * configure: Regenerate
10 2004-07-05 Zack Weinberg <zack@codesourcery.com>
12 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
13 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
16 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
18 Splay tree implementation fork.
19 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
20 Use hard-coded comparison function for uintptr_t. Remove key/value
21 deallocation logic. Cache last splayed key for consecutive lookups.
22 * Makefile.am, Makefile.in: Use them, don't link to them.
23 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
24 (__mf_find_objects2): Flip successor/predecessor search sequence.
25 * ansidecl.h, libiberty.h: Removed dummy files.
27 2004-06-29 Nick Clifton <nickc@redhat.com>
29 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
30 * configure: Regenerate.
31 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
33 Remove spurious inclusion of <strings.h>.
35 2004-06-29 Nick Clifton <nickc@redhat.com>
37 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
38 function actually exists.
40 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
42 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
43 * config.h.in: Regenerated.
45 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
47 Adopt splay trees for object database.
48 * Makefile.am: Copy splay-tree.* from libiberty.
49 * Makefile.in, testsuite/Makefile.in: Regenerated.
50 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
51 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
52 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
53 * mf-runtime.c: Rewrite code dealing with object database to use
54 libiberty splay trees. Remove tree liveness aging option.
55 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
57 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
59 * configure.ac: New name of configure.in. Update
60 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
61 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
62 Autoconf 2.5x and Automake 1.7 or later.
63 * configure.in: Remove.
64 * configure: Regenerate.
66 * Makefile.am: Remove useless multilib rules.
67 * Makefile.in: Regenerate.
69 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
71 * .cvsignore: New file.
73 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
76 * mf-hooks2.c (semctl): Add cygwin porting hack.
78 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
81 * configure.in: Look for ctype header and glibc implementation.
82 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
83 array hooks for glibc 2.3.
84 * mf-runtime.h.in: Wrap them.
85 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
87 * testsuite/libmudflap.c/pass47-frag.c: New test.
88 * configure, config.h.in: Regenerated.
90 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
92 Portability improvements, e.g., libmudflap/15293.
93 * configure.in: Look for glibc extension functions. Look for
94 support of -f{function,data}-sections. Look for more headers.
95 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
96 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
97 mf-hooks* into usual single object per source.
98 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
99 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
100 if system doesn't provide one.
101 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
102 (pthread_create): Use it to properly GC dead thread stacks.
103 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
104 * testsuite/Makefile.am: Stop generating site.exp.
105 * testsuite/mfconfig.exp.in: New file.
106 * testsuite/config/default.exp: Load new mfconfig.exp.
107 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
108 (prune_gcc_output): Add glibc static linking warnings.
109 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
110 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
111 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
112 Regenerated with autoconf 2.57 and automake 1.7.
114 2004-06-04 Per Bothner <per@bothner.com>
116 * configure.in (LIBMUDFLAPTH): Fix thinko.
118 * configure.in: Check for more headers.
119 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
121 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
122 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
124 2004-06-01 Andreas Jaeger <aj@suse.de>
126 * configure.in: Handle multilibs, support
127 --enable-version-specific-runtime-libs.
128 * Makefile.am (lib_LTLIBRARIES): Rename to ...
129 (toolexeclib_LTLIBRARIES): this for multilib support.
130 * Makefile.in: Regenerated.
131 * configure: Regenerated.
132 * aclocal.m4: Regenerated.
133 * config.h.in: Regenerated.
134 * testsuite/Makefile.in: Regenerated.
136 2004-06-01 Andreas Jaeger <aj@suse.de>
138 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
139 multilibs, using multilib directory instead of hardcoded path.
142 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
144 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
145 * Makefile.in: Ditto.
147 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
149 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
150 * aclocal.m4, configure: Rebuilt.
152 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
154 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
155 import some build settings from libstdc++-v3 testsuite_flags.
156 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
157 changes to pass test language.
159 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
160 quicker mode-nop handling.
162 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
164 * mf-impl.h: Added libgcc license header.
166 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
168 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
169 Added libgcc license header.
170 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
171 (pthread_create): Simplify stack allocation syntax.
173 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
175 * mf-hooks2.c: Support FreeBSD.
176 (WRAP_gets): Avoid gets().
177 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
178 test unimplemented mem/str calls on FreeBSD.
179 * testsuite/libmudflap.c/pass21-frag.c: Do not include
180 <alloca.h> on FreeBSD.
182 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
184 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
185 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
186 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
187 flags for static linking permutation.
188 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
189 some pthreads code that croaks on linux glibc tls.
191 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
193 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
195 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
197 * testsuite/libmudflap.c/pass44-frag.c: New test.
199 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
201 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
203 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
205 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
207 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
209 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
211 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
214 * configure.in: Add check for see if
215 socklen_t typedef is in sys/socket.h.
216 * mf-hooks1.c: Add define if socklen_t
218 * mf-hooks2.c: Likewise.
219 * mf-hooks3.c: Likewise.
220 * config.h.in: Regen.
223 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
225 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
226 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
228 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
229 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
230 (unoptimized) allocation of stack space.
232 2003-12-07 Richard Henderson <rth@redhat.com>
234 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
235 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
237 2003-12-06 Andrew Pinski <apinski@apple.com>
239 partial PR libmudflap/12670
240 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
241 * mf-hooks2.c: Likewise.
242 * mf-hooks3.c: Likewise.
244 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
247 * mf-runtime.h.in: Switch to #pragma redefine_extname for
248 symbols interposed at compile time.
249 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
252 * mf-hooks2.c (semctl): Tolerate FreeBSD.
254 * configure.in: Reorganize check for <pthread.h>.
255 * configure: Regenerated.
257 2003-11-04 David Edelsohn <edelsohn@gnu.org>
259 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
260 (_LARGE_FILE_API): Define for AIX.
261 * mf-hooks[123]: Same.
262 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
264 2003-10-21 David Edelsohn <edelsohn@gnu.org>
266 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
268 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
270 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
272 * configure.in: Update check for union semun.
274 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
277 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
279 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
282 * configure.in: Add checks for 64-bit LFS functions, struct semun
283 definition, for BSD compatibility.
284 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
285 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
286 * mf-hooks3.c: Ditto.
287 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
289 * configure, config.h.in: Regenerated.
291 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
293 Multithreading fixes:
294 * mf-runtime.c (__mf_object): Store allocating/deallocating
296 (options): Support new "-thread-stack" option.
297 Rename "-heur-argv-environ" option to "-heur-stdlib".
298 Disable "-lc-mask" and "-lc-shift" options.
299 (__mf_dynamic): Add function pointers for pthread_join/_exit.
300 (__assert_fail): New self-contained function for glibc.
301 * mf-hooks3.c: Essentially rewritten, particularly related to
302 use of __mf_pthread_info array.
303 (pthread_join, _exit): New hook functions.
304 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
305 * testsuite/libmudflap.cth/pass40-frag.c: New test.
308 * mf-heuristics.c: Add type casts for tracing, sub calls.
309 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
310 Update all callers to declare explicit result holder.
311 (END_PROTECT): Removed.
312 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
314 2003-07-15 Diego Novillo <dnovillo@redhat.com>
316 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
317 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
318 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
320 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
322 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
324 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
325 Move these macros from old mf-hooks.c here.
326 * Makefile.am: Adapt to split-up hook sources for faster builds.
327 * Makefile.in: Regenerated.
329 * mf-heuristics.c: Remove #if-0 block.
331 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
332 (__mf_starting_p): New state only for use while dlsym bootstrapping.
333 (CALL_REAL, __mf_init): Corresponding changes.
334 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
335 all callers to remove redundant "mf:" prefix.
336 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
337 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
338 (__mf_pthread_info): Become a hash table.
340 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
341 "dg-repetitions" directives to control test case execution.
342 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
344 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
346 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
348 * mf-hooks.c (alloca): Separate into stub.
349 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
350 malloc/free for alloca blocks.
351 (pthread_create): Tolerate failing pthread_attr_get* calls.
352 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
353 * mf-impl.h (CALL_WRAP): Remove macro.
354 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
355 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
356 padding for ia64 BIT_FIELD_REF constructs.
358 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
360 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
361 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
362 libmudflap object type.
363 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
364 crashes on unregistering STATIC objects.
366 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
368 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
369 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
370 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
371 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
372 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
373 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
374 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
375 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
376 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
377 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
378 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
379 (accept, bind, connect, gethostname, sethostname): New hooks.
380 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
381 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
382 (semop, semctl, shmctl, shmat, shmdt): New hooks.
383 * mf-runtime.h.in: Corresponding changes.
384 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
385 (opts) Rename heur_argv_environ to heur_std_data.
386 (__mf_wrap_main): Use STATIC type for argv/environ strings.
387 * Makefile.am: Corresponding changes.
388 * Makefile.in: Regenerated.
390 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
392 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
393 heuristic for threaded case, and for non-x86-linux targets.
394 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
395 for use during pre-main() program startup.
396 (__mf_0fn_*): Make these functions non-static.
397 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
399 * mf-runtime.c (__mf_state): Set initial state to "starting".
400 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
401 (__wrap_main): New function to register argv[] and environ[] strings.
403 (*): In all trace functions, use "%p" as formatter for uintptr_t.
405 * testsuite/libmudflap.c/pass38-frag.c: New test case.
406 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
408 * acinclude.m4: Add comments with aoliva's concerns about x86_64
410 * aclocal.m4, configure: Regenerated.
412 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
414 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
415 * aclocal.m4, configure: Regenerated.
417 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
419 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
420 for x86_64 target. Disable caching for this value.
421 * aclocal.m4, configure: Regenerated.
423 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
425 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
426 is about to become deprecated, and its present handling bugs are
429 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
431 * testsuite/libmudflap.c/pass38-frag.c: New test for
434 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
436 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
437 __mf_report, asserting reentrant calling context.
439 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
441 * mf-hooks.c (realloc): Correct reentrancy logic.
442 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
444 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
446 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
447 PTHREAD_THREADS_MAX. Update users.
448 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
450 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
451 with libmudflapth presence indicator.
452 * testsuite/Makefile.in: Regenerated.
454 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
456 * Makefile.am (AM_CFLAGS): Remove "-ansi".
457 * configure.in: Remove silly no-pthreads => no-shared logic.
458 * Makefile.in, configure: Regenerated.
459 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
460 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
461 code. Count reentrancy events.
462 (all hook functions): Don't directly manipulate __mf_state variable.
463 Add TRACE calls to hook functions without them.
464 * mf-impl.h (LOCKTH): Try to count lock contention events.
465 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
466 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
467 Reorganize reentrancy code.
468 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
469 identify reentrancy with mutex holding times.
470 (internal __mfu_ entry points): Remove internal reentrancy code.
471 (__mf_init): Use ordinary locked calls.
472 (__mfu_report): Print the two new counts.
473 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
474 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
475 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
476 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
479 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
481 * configure.in: Add pthread support, plus glibc and porting hacks.
482 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
483 from objects built into ./pth/.
484 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
485 functions for internal entry points. Update callers to pick
486 locked vs. unlocked variants.
487 (__mf_resolve_single_dynamic): Extend to support symbol versioning
488 info coming in from a static data structure.
489 (*): Reorder miscellaneous declarations to group data vs functions.
490 (__mf_set_default_options): Simplify.
491 (__mf_usage): Mention threading status of host executable.
492 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
493 decls to match above.
494 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
495 * mf-heuristics.c: Choose between locked/unlocked calls. Add
496 some lock/unlock markers. Remove some unused code.
498 (pthread_create): New hook function.
499 (__mf_pthread_cleanup, _spawner): New helper functions.
500 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
502 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
504 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
506 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
508 * Makefile.am (HOOKOBJS): Add *time related hooks.
509 * configure.in: Look for pthreads.h header.
510 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
511 * mf-runtime.c: Begin sketching some pthreads support.
512 (__mf_usage): Check for -lpthread presence.
513 (__mf_unregister): Confirm matching unregistration base.
514 (__mf_find_objects_rec): Reduce unnecessary recursion.
515 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
516 #defines for new hook functions.
517 * mf-impl.h: Corresponding changes.
518 * config.h.in, configure, Makefile.in: Regenerated.
520 2002-04-27 Diego Novillo <dnovillo@redhat.com>
522 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
523 modifiers to prevent being optimized away.
524 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
525 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
526 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
527 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
528 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
529 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
530 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
532 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
534 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
535 * configure.in: Look for uintptr_t and -ldl on target.
536 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
537 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
538 * testsuite/Makefile.in: Regenerated.
539 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
540 for better C compliance.
542 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
544 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
546 * mf-runtime.c (__mf_set_default_options): Turn off
547 check-initialization.
548 (__mf_describe_object): Shorten description.
549 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
551 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
553 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
555 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
557 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
559 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
560 * mf-impl.h (CALL_BACKUP): New macros.
561 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
563 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
565 * Makefile.am (AM_CFLAGS): Remove optimization flags.
566 (HOOKOBJS): Remove dlopen hook.
567 (libmudflap_la_LIBADD): Add -ldl.
568 * mf-hooks.c (dlopen): Remove hook.
569 * mf-impl.h (__mf_dynamic): Ditto.
570 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
571 * Makefile.in: Regenerated.
573 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
575 * configure.in: Check for target gettimeofday, signal, some headers.
576 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
577 out inop multi_threaded field.
578 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
579 (__mf_set_options): Correct handling of "-help".
580 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
581 (__mf_check, __mf_register, __mf_unregister): Call it.
582 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
583 (__mf_report_leaks): Make callable
584 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
585 distribution statistics.
586 (__mf_adapt_cache): Rewrite shift guessing logic based on address
588 * config.h.in, configure: Regenerated.
589 * testsuite/libmudflap.c/fail27-frag.c: New test.
590 * testsuite/libmudflap.c/pass36-frag.c: New test.
592 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
594 * mf-runtime.h.in: Tweak.
595 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
596 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
597 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
599 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
601 * configure.in: Tweak generation of mf-runtime.h some more. It
602 needs to work from both config.status and configure.
603 * configure: Regenerated.
605 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
607 * Makefile.am: Reorganize hook file building. Add auto dependencies.
608 * configure.in: Tweak generation of mf-runtime.h.
609 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
610 * mf-hooks.c (*): Adapt to initialized-heap object type.
611 * mf-impl.h: Tweak cemetary boundaries.
612 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
614 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
615 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
616 * testsuite/lib/libmudflap.exp (includes): Include build tree.
617 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
619 * testsuite/.../fail{25,26}-frag.c: New tests.
620 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
621 * Makefile.in, configure: Regenerated.
623 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
625 * mf-runtime.c (__mf_set_default_options): Turn on initialization
627 (__mf_insert_new_object): As a temporary hack, assume that new
628 objects registered on the stack start out initialized.
629 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
630 heap objects by hand.
632 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
634 Switch to macro-style hooks for str*/mem*/b* functions.
635 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
636 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
637 * mf-runtime.c: #include config.h to enable glibc backtraces again.
638 (__mf_set_default_options): Turn off heur_proc_map.
639 (*): Adapt to to macro-style hook functions.
640 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
641 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
642 (__mf_violation): Handle __MF_VIOL_WATCH.
643 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
644 (__mf_dynamic): Removed mem*/str*/b* functions.
645 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
646 (WRAPPER2): New macro for macro-style hooks.
647 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
649 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
650 * mf-heuristics.c: Adapt to macro-style hook functions.
651 Correct some comments.
652 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
653 output pattern tests.
654 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
655 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
657 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
659 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
660 for global array registration.
661 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
662 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
664 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
666 * Makefile.am: Add gross make bug workarounds. Tweaked
667 SUBDIRS and AM_CFLAGS.
668 * Makefile.in: Regenerated.
670 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
673 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
674 * Makefile.am (TESTS): Remove simple automake testing.
675 * configure, Makefile.in: Regenerated.
676 (SUBDIRS): Include new testsuite/ directory.
677 * tests/*: Removed all files; moved bulk under:
678 * testsuite/*: New subdirectory tree.
679 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
680 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
681 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
682 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
683 * testsuite/config/default.exp: New file.
684 * testsuite/Makefile.am, Makefile.in: New files.
686 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
688 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
689 (TESTS): Add fail22 and pass29 tests.
690 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
691 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
692 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
693 values. Move __MF_VIOL* here.
694 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
695 (check_initialization): New field in __mf_opts. Default off.
696 (read_count,write_count): New fields in __mf_object.
697 (__mf_check): Implement basic initialization checking.
698 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
699 (__mf_describe_object): Print new fields.
700 (__mf_violation): Identify check/read vs. check/write in messages.
701 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
702 "-check-initialized" mudflap option.
703 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
704 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
705 Drop __FILE__/__LINE__ hack. Update callers.
706 (*): Adapt to new mf-runtime.h API.
707 * Makefile.in: regenerated.
709 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
711 * configure.in: Build mf-runtime.h a more proper way.
712 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
713 * mf-runtime.c (verbose_violations): Turn on by default.
714 * mf-runtime.h.in: Remove some miscellaneous stuff ...
715 * mf-impl.h: ... and move it here.
716 * configure: Regenerated.
718 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
720 * configure.in: Look for C++ compiler.
721 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
722 fixed type warnings when built with C++.
723 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
724 * Makefile.am (TESTS): Run them.
725 (*) Add new rules for building and running C++ tests.
726 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
727 * mf-runtime.h.in: Protect with extern "C".
728 * Makefile, configure: Regenerated.
730 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
732 Portability improvements.
733 * configure.in: Look for glibc backtrace headers/functions.
734 * mf-hooks.c: Don't include <execinfo.h> any more.
735 * mf-runtime.c (__mf_set_options): Call more stdlib functions
737 (__mf_backtrace): Provide alternate baby implementation in
739 * test/mf-driver.c: Portability tweaks.
740 * acinclude.m4: New file, containing top level libtool.m4.
741 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
743 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
745 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
747 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
749 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
751 (__mf_unregister): Implement stack/heap object wiping.
752 (__mf_set_options): Renamed from __mf_process_opts.
753 (__mf_uncache_object): Change arg type, correct callers.
754 * mf-impl.h: Corresponding changes.
755 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
756 * mf-runtime.h.in (__mf_set_options): Extend public API.
757 * test/pass26-frag.c: New test for stack wiping.
758 * Makefile.am (TESTS): Run it.
759 * Makefile.in: Regenerated.
761 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
763 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
764 * mf-runtime.c (__mf_object_t): Add watching_p field.
765 (__mf_watch_or_not): New function to implement
766 object watch flagging.
767 (__mf_watch, __mf_unwatch): New wrappers for above.
768 (__mf_check, __mf_describe_object): Handle objects with watching_p.
769 (__mf_count_violation): Enlarge array.
770 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
771 unlink object. Clear cache properly.
772 (__mf_unregister): Unlink object explicitly before uncaching.
773 * test/fail21-frag.c, pass25-frag.c: New tests.
774 * Makefile.in, aclocal.m4: Regenerated.
776 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
778 * test/fail20-frag.c: New test for NULL pointer dereferencing.
779 * Makefile.am (TESTS): Add it.
780 * test/pass-stratcliff.c: Add decls of stpcpy.
781 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
782 build tree from config.h and new file mf-runtime.h.in.
783 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
784 * Makefile.in, configure, config.h.in: Regenerated.
785 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
786 * mf-runtime.c (options, __mf_set_default_options): Support new
787 default "abbreviate" option.
788 (__mf_object.description_epoch): New field.
789 (__mf_describe_object): Conditionally abbreviate objects already
790 displayed in current epoch. Accept NULL input to increment epoch.
791 (__mf_fini, __mf_ini): Reset description epoch.
792 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
793 that NULL pointer slot in lookup cache is invalidated. Register a
794 NOACCESS region around NULL.
795 * mf-impl.h: Corresponding changes.
797 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
799 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
800 * Makefile.am: Run them. Install mf-runtime.h.
801 * Makefile.in: Regenerated.
802 * mf-hooks.c: Add some markers for more missing functions.
803 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
804 statistic to tune tune cache size (mask).
806 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
808 * test/pass23-frag.c: New test for bit_field_ref expressions.
809 * Makefile.am, Makefile.in: Add new test.
810 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
811 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
812 * mf-runtime.c (__mf_init): Register errno global.
813 (__mf_find_object): Removed function.
814 (__mf_check): Rewrite logic to support accesses across some
815 contiguous but distinctly registered objects.
816 (__mf_remove_old_object): Tolerate cache entries that span
819 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
821 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
822 * Makefile.am, Makefile.in: Run new tests.
823 * mf-hooks.c (alloca): Correct stack direction logic.
825 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
827 * mf-impl.h (adapt_cache): New option.
828 * mf-runtime.c (__mf_set_default_options): Set its default value.
829 Tweak the tree_aging parameter down.
830 (__mf_check): Maintain separate counter for cache-adaptation.
831 (__mf_tree_analyze): New function to collect object tree stats.
832 (__mf_adapt_cache): New function to automate cache parameters.
834 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
836 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
837 hypothetical #if-0'd argv/envp region registration.
838 * mf-runtime.c (__mf_init): Add kludged form of above.
839 (*) Add "heur_argv_environ" flag, default on, to govern this.
840 * mf-impl.h: Corresponding changes.
842 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
844 * test/fail18-frag.c: New test file for NOACCESS regions.
845 * Makefile.am (TESTS): Add new test.
846 * Makefile.in: Regenerated.
848 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
849 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
850 (optimize_object_tree): Remove unused mudflap_option.
851 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
852 support throughout. Use .._MAX_CEM for cemetary upper bound.
853 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
855 (__mf_object): Add new liveness field for use by tree aging.
856 (__mf_check): Trigger tree aging when needed.
857 (__mf_age_tree): New function to decay liveness field.
858 (__mf_find_objects_rec): Use liveness field to rotate tree.
859 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
860 (__mf_unregister): Ditto.
861 (__mf_register): Tweak duplicate-static message.
862 (__mf_violation: Tweak nearby-object counter printing.
864 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
866 * test/pass20-frag.c: New test file.
867 * Makefile.am (TESTS): Reorganize. Add pass20 test.
868 * Makefile.in: Regenerated.
870 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
871 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
872 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
873 entries to avoid repeat registration.
874 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
875 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
877 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
879 * Makefile.am: Create test sources with #include, not cat>>.
880 * Makefile.in: Regenerated.
881 * test/buildtest.sh: Removed.
882 * test/driver.c (abort_handler, main): Be quiet.
884 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
886 * test/pass18-frag.c, pass19-frag.c: New tests.
887 * Makefile.am (check): Run them. Rebuild test programs each time.
888 * Makefile.in: Regenerated.
890 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
892 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
893 overlapping object search.
894 (__mf_violation): Likewise for nearby objects.
895 Improve nearby-object listing.
898 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
899 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
901 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
904 * Makefile.am (AM_CFLAGS): New definition of needed settings.
905 (HOOKOBJS): Add alloca-hook.o.
906 * mf-hooks.c (alloca): New function to implement alloca in libiberty
908 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
909 (__mf_backtrace): Reimplement without using alloca.
910 * Makefile.in: Regenerated.
913 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
914 Correct signedness bugs in length-tracking variables.
915 * mf-impl.h: Make options unsigned.
916 (CALL_WRAP): New macro to parallel CALL_REAL().
917 (DECLARE): Remove erroneous ";" at end.
918 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
919 formatting specs with %08lx. Correct several compiler warnings.
921 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
923 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
925 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
927 libmudflap hook breakup:
928 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
930 (TESTS): Make dependent on libmudflap.
931 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
932 compiled from segments of mf-hooks.c.
933 * mf-hooks.c: Corresponding changes: wrap each function in
935 * Makefile.in: Regenerated.
937 Heuristics reorganization:
938 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
939 Remove these functions. Update callers.
940 (__mf_heuristic_check): Incorporate all the various heuristics.
941 Encode cacheability/retry judgement into trinary return value.
942 Separate start-end logic into a separate fallback heuristic. Only
943 register relevant /proc/self/map segments.
944 * mf-impl.h: Corresponding changes.
945 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
946 (__mf_init): Don't call __mf_init_heuristics.
949 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
950 "-verbose-trace" to emit all tracing messages other than those of
951 basic public api. Eliminate some duplicate/excessive messages.
952 * mf-runtime.h: Corresponding changes.
954 2002-08-27 Graydon Hoare <graydon@redhat.com>
956 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
957 and __real when compiled with -DPIC.
958 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
959 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
960 * Makefile.in: Regenerate.
962 2002-08-26 Graydon Hoare <graydon@redhat.com>
964 * mf-impl.h: New file, private implementation header.
965 * mf-runtime.h: Reorganize a bit.
966 (CLAMPSZ): Fix arithmetic.
967 (__MF_CACHE_MISS_P): Fix arithmetic.
968 * mf-runtime.c: Reorganize a bit.
969 (__mf_dynamic): New structure.
970 (resolve_single_dynamic): New function.
971 (__mf_resolve_dynamics): New function.
972 (__mf_init): Initialize dynamic wrappers.
973 * mf-hooks.c: Macro-ize __real calls.
974 Clamp various bits of arithmetic.
975 Add explicit __mf_check call contexts.
976 * Makefile.am: Add dependencies on mf-impl.h
977 * Makefile.in: Regenerate.
978 * configure.in: Comment out shared override.
979 * configure: Regenerate.
981 2002-08-22 Graydon Hoare <graydon@redhat.com>
983 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
984 (__mf_check): Re-inialize and check heuristics before violation.
985 (__mf_register): Permit updating pure-guess regions.
986 * mf-hooks.c (__wrap_free): Correct some free queue logic.
987 (__wrap_dlopen): New wrapper function.
988 (__wrap_mmap): New wrapper function.
989 (__wrap_munmap): New wrapper function.
990 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
991 which are not stack addresses.
992 (is_stack_address): New function.
993 (__mf_init_heuristics): Save and restore state, always initialize with
996 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
998 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
999 error. Pass location string.
1000 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1001 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1002 (__mf_process_opts): Apply some sanity checking for lc-mask.
1003 (__mf_check, __mf_violation): Take new location-string argument.
1004 Update callers to pass NULL if necessary.
1005 (__mf_backtrace): New smart backtracer function. Calls replace
1006 several ad-hoc blocks elsewhere.
1007 (__mf_describe_object): Remove bad reentrancy test. Improve
1009 * mf-runtime.h: Corresponding changes. Public/private markup.
1010 (__MF_CACHE_MISS_P): New macro.
1012 2002-08-20 Graydon Hoare <graydon@redhat.com>
1014 * mf-runtime.h: New option: stack_bound (heuristic).
1015 Move some macros out of implementation files.
1016 * mf-runtime.c: New option string: -stack-bound.
1017 Unify recursion protection with hooks.
1019 (__mf_check): Call __mf_heuristic_check.
1020 (__mf_process_opts): Fix "no-" processing.
1021 * mf-heuristics.c (__mf_heuristic_check): New function.
1022 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1024 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1026 Option parsing improvements, region splitting bug fixes:
1027 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1028 * mf-runtime.h (heur_proc_map): New libmudflap option.
1029 * mf-runtime.c (__mf_set_default_options): Set it.
1030 (__mf_usage): Print default values/status.
1031 (__mf_process_opts): Support general "no-" option string prefix.
1032 (__mf_init): Print __mf_usage on unknown-option error.
1033 (__mf_register): Print trace message up front.
1034 Correct region splitting logic for case where a subregion disappears.
1035 Correct memory leak.
1036 (__mf_violation): Make even basic message conditional on option.
1039 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1040 (clean-local): New target.
1041 (test/*x rules): Add -g CFLAGS.
1042 (CFLAGS): Add -freorder-blocks.
1043 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1044 * Makefile.in: Regenerated.
1045 * Makefile, mf-config.h: Removed files.
1047 2002-08-16 Graydon Hoare <graydon@redhat.com>
1049 * mf-runtime.c (__mf_insert_new_object): Factor out of
1051 (__mf_remove_old_object): Factor out of __mf_unregister.
1052 (__mf_register): Handle guessed regions, splitting
1053 guesses when new registrations arrive.
1054 (__mf_unregister): Do not unregister guesses.
1055 * mf-runtime.h: Move convenience macros around,
1056 declare new option fields. Add __MF_TYPE_GUESS.
1057 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1058 (__wrap_free): Call __real_free for deferred frees.
1059 * Makefile.am: Add more tests, fix dependency.
1060 * Makefile.in: Regenerate.
1061 * test/pass[13..17]-frag.c: New testcases.
1062 * test/fail[13..17]-frag.c: New testcases.
1064 2002-08-15 Graydon Hoare <graydon@redhat.com>
1066 * mf-heuristics.c: New file.
1067 * mf-runtime.c (options): Add -trace-calls option.
1068 (__mf_init): Call __mf_init_heuristics.
1070 2002-08-14 Graydon Hoare <graydon@redhat.com>
1072 * Makefile.am (TESTS): Add testsuite support.
1073 * Makefile.in: Regenerate.
1074 * test/mf-driver.c: New file.
1075 * test/buildtest.sh: New file.
1076 * test/passNN-frag.c: New testcases.
1077 * test/failNN-frag.c: New testcases.
1079 2002-08-14 Graydon Hoare <graydon@redhat.com>
1081 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1082 verifying non-size-limited string extents.
1084 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1086 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1087 instead of plain str[n]len for internal checks.
1088 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1090 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1092 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1094 2002-08-13 Graydon Hoare <graydon@redhat.com>
1096 * mf-runtime.c: Rework configuration to operate on
1097 environment variable options rather than #defines
1098 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1099 (__mf_init): Set static __mf_active_p flag on startup,
1100 to inhibit mudflap wrap-based checking during crt0.s.
1101 * mf-runtime.h: Declare options structure.
1102 * mf-hooks.c: New wrappings for mem*, b*, str*
1103 libc functions (temporarily #if 0-ed out).
1105 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1107 * Makefile.am, configure.in: New files.
1108 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1109 * stamp-h.in, aclocal.m4: Ditto.
1111 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1113 * Makefile: New file.
1114 * mf-config.h: New file: runtime configuration.
1115 * mf-hooks.c: New file: interposed libc functions.
1116 * mf-runtime.c: New file: bulk of runtime.
1117 * mf-runtime.h: New file: public functions.