1 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
4 * configure.in: Look for ctype header and glibc implementation.
5 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
6 array hooks for glibc 2.3.
7 * mf-runtime.h.in: Wrap them.
8 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
10 * testsuite/libmudflap.c/pass47-frag.c: New test.
11 * configure, config.h.in: Regenerated.
13 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
15 Portability improvements, e.g., libmudflap/15293.
16 * configure.in: Look for glibc extension functions. Look for
17 support of -f{function,data}-sections. Look for more headers.
18 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
19 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
20 mf-hooks* into usual single object per source.
21 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
22 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
23 if system doesn't provide one.
24 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
25 (pthread_create): Use it to properly GC dead thread stacks.
26 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
27 * testsuite/Makefile.am: Stop generating site.exp.
28 * testsuite/mfconfig.exp.in: New file.
29 * testsuite/config/default.exp: Load new mfconfig.exp.
30 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
31 (prune_gcc_output): Add glibc static linking warnings.
32 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
33 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
34 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
35 Regenerated with autoconf 2.57 and automake 1.7.
37 2004-06-04 Per Bothner <per@bothner.com>
39 * configure.in (LIBMUDFLAPTH): Fix thinko.
41 * configure.in: Check for more headers.
42 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
44 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
45 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
47 2004-06-01 Andreas Jaeger <aj@suse.de>
49 * configure.in: Handle multilibs, support
50 --enable-version-specific-runtime-libs.
51 * Makefile.am (lib_LTLIBRARIES): Rename to ...
52 (toolexeclib_LTLIBRARIES): this for multilib support.
53 * Makefile.in: Regenerated.
54 * configure: Regenerated.
55 * aclocal.m4: Regenerated.
56 * config.h.in: Regenerated.
57 * testsuite/Makefile.in: Regenerated.
59 2004-06-01 Andreas Jaeger <aj@suse.de>
61 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
62 multilibs, using multilib directory instead of hardcoded path.
65 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
67 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
70 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
72 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
73 * aclocal.m4, configure: Rebuilt.
75 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
77 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
78 import some build settings from libstdc++-v3 testsuite_flags.
79 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
80 changes to pass test language.
82 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
83 quicker mode-nop handling.
85 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
87 * mf-impl.h: Added libgcc license header.
89 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
91 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
92 Added libgcc license header.
93 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
94 (pthread_create): Simplify stack allocation syntax.
96 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
98 * mf-hooks2.c: Support FreeBSD.
99 (WRAP_gets): Avoid gets().
100 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
101 test unimplemented mem/str calls on FreeBSD.
102 * testsuite/libmudflap.c/pass21-frag.c: Do not include
103 <alloca.h> on FreeBSD.
105 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
107 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
108 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
109 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
110 flags for static linking permutation.
111 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
112 some pthreads code that croaks on linux glibc tls.
114 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
116 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
118 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
120 * testsuite/libmudflap.c/pass44-frag.c: New test.
122 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
124 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
126 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
128 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
130 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
132 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
134 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
137 * configure.in: Add check for see if
138 socklen_t typedef is in sys/socket.h.
139 * mf-hooks1.c: Add define if socklen_t
141 * mf-hooks2.c: Likewise.
142 * mf-hooks3.c: Likewise.
143 * config.h.in: Regen.
146 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
148 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
149 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
151 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
152 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
153 (unoptimized) allocation of stack space.
155 2003-12-07 Richard Henderson <rth@redhat.com>
157 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
158 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
160 2003-12-06 Andrew Pinski <apinski@apple.com>
162 partial PR libmudflap/12670
163 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
164 * mf-hooks2.c: Likewise.
165 * mf-hooks3.c: Likewise.
167 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
170 * mf-runtime.h.in: Switch to #pragma redefine_extname for
171 symbols interposed at compile time.
172 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
175 * mf-hooks2.c (semctl): Tolerate FreeBSD.
177 * configure.in: Reorganize check for <pthread.h>.
178 * configure: Regenerated.
180 2003-11-04 David Edelsohn <edelsohn@gnu.org>
182 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
183 (_LARGE_FILE_API): Define for AIX.
184 * mf-hooks[123]: Same.
185 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
187 2003-10-21 David Edelsohn <edelsohn@gnu.org>
189 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
191 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
193 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
195 * configure.in: Update check for union semun.
197 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
200 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
202 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
205 * configure.in: Add checks for 64-bit LFS functions, struct semun
206 definition, for BSD compatibility.
207 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
208 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
209 * mf-hooks3.c: Ditto.
210 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
212 * configure, config.h.in: Regenerated.
214 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
216 Multithreading fixes:
217 * mf-runtime.c (__mf_object): Store allocating/deallocating
219 (options): Support new "-thread-stack" option.
220 Rename "-heur-argv-environ" option to "-heur-stdlib".
221 Disable "-lc-mask" and "-lc-shift" options.
222 (__mf_dynamic): Add function pointers for pthread_join/_exit.
223 (__assert_fail): New self-contained function for glibc.
224 * mf-hooks3.c: Essentially rewritten, particularly related to
225 use of __mf_pthread_info array.
226 (pthread_join, _exit): New hook functions.
227 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
228 * testsuite/libmudflap.cth/pass40-frag.c: New test.
231 * mf-heuristics.c: Add type casts for tracing, sub calls.
232 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
233 Update all callers to declare explicit result holder.
234 (END_PROTECT): Removed.
235 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
237 2003-07-15 Diego Novillo <dnovillo@redhat.com>
239 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
240 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
241 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
243 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
245 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
247 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
248 Move these macros from old mf-hooks.c here.
249 * Makefile.am: Adapt to split-up hook sources for faster builds.
250 * Makefile.in: Regenerated.
252 * mf-heuristics.c: Remove #if-0 block.
254 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
255 (__mf_starting_p): New state only for use while dlsym bootstrapping.
256 (CALL_REAL, __mf_init): Corresponding changes.
257 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
258 all callers to remove redundant "mf:" prefix.
259 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
260 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
261 (__mf_pthread_info): Become a hash table.
263 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
264 "dg-repetitions" directives to control test case execution.
265 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
267 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
269 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
271 * mf-hooks.c (alloca): Separate into stub.
272 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
273 malloc/free for alloca blocks.
274 (pthread_create): Tolerate failing pthread_attr_get* calls.
275 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
276 * mf-impl.h (CALL_WRAP): Remove macro.
277 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
278 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
279 padding for ia64 BIT_FIELD_REF constructs.
281 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
283 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
284 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
285 libmudflap object type.
286 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
287 crashes on unregistering STATIC objects.
289 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
291 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
292 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
293 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
294 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
295 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
296 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
297 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
298 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
299 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
300 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
301 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
302 (accept, bind, connect, gethostname, sethostname): New hooks.
303 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
304 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
305 (semop, semctl, shmctl, shmat, shmdt): New hooks.
306 * mf-runtime.h.in: Corresponding changes.
307 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
308 (opts) Rename heur_argv_environ to heur_std_data.
309 (__mf_wrap_main): Use STATIC type for argv/environ strings.
310 * Makefile.am: Corresponding changes.
311 * Makefile.in: Regenerated.
313 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
315 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
316 heuristic for threaded case, and for non-x86-linux targets.
317 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
318 for use during pre-main() program startup.
319 (__mf_0fn_*): Make these functions non-static.
320 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
322 * mf-runtime.c (__mf_state): Set initial state to "starting".
323 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
324 (__wrap_main): New function to register argv[] and environ[] strings.
326 (*): In all trace functions, use "%p" as formatter for uintptr_t.
328 * testsuite/libmudflap.c/pass38-frag.c: New test case.
329 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
331 * acinclude.m4: Add comments with aoliva's concerns about x86_64
333 * aclocal.m4, configure: Regenerated.
335 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
337 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
338 * aclocal.m4, configure: Regenerated.
340 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
342 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
343 for x86_64 target. Disable caching for this value.
344 * aclocal.m4, configure: Regenerated.
346 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
348 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
349 is about to become deprecated, and its present handling bugs are
352 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
354 * testsuite/libmudflap.c/pass38-frag.c: New test for
357 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
359 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
360 __mf_report, asserting reentrant calling context.
362 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
364 * mf-hooks.c (realloc): Correct reentrancy logic.
365 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
367 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
369 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
370 PTHREAD_THREADS_MAX. Update users.
371 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
373 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
374 with libmudflapth presence indicator.
375 * testsuite/Makefile.in: Regenerated.
377 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
379 * Makefile.am (AM_CFLAGS): Remove "-ansi".
380 * configure.in: Remove silly no-pthreads => no-shared logic.
381 * Makefile.in, configure: Regenerated.
382 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
383 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
384 code. Count reentrancy events.
385 (all hook functions): Don't directly manipulate __mf_state variable.
386 Add TRACE calls to hook functions without them.
387 * mf-impl.h (LOCKTH): Try to count lock contention events.
388 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
389 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
390 Reorganize reentrancy code.
391 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
392 identify reentrancy with mutex holding times.
393 (internal __mfu_ entry points): Remove internal reentrancy code.
394 (__mf_init): Use ordinary locked calls.
395 (__mfu_report): Print the two new counts.
396 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
397 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
398 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
399 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
402 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
404 * configure.in: Add pthread support, plus glibc and porting hacks.
405 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
406 from objects built into ./pth/.
407 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
408 functions for internal entry points. Update callers to pick
409 locked vs. unlocked variants.
410 (__mf_resolve_single_dynamic): Extend to support symbol versioning
411 info coming in from a static data structure.
412 (*): Reorder miscellaneous declarations to group data vs functions.
413 (__mf_set_default_options): Simplify.
414 (__mf_usage): Mention threading status of host executable.
415 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
416 decls to match above.
417 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
418 * mf-heuristics.c: Choose between locked/unlocked calls. Add
419 some lock/unlock markers. Remove some unused code.
421 (pthread_create): New hook function.
422 (__mf_pthread_cleanup, _spawner): New helper functions.
423 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
425 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
427 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
429 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
431 * Makefile.am (HOOKOBJS): Add *time related hooks.
432 * configure.in: Look for pthreads.h header.
433 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
434 * mf-runtime.c: Begin sketching some pthreads support.
435 (__mf_usage): Check for -lpthread presence.
436 (__mf_unregister): Confirm matching unregistration base.
437 (__mf_find_objects_rec): Reduce unnecessary recursion.
438 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
439 #defines for new hook functions.
440 * mf-impl.h: Corresponding changes.
441 * config.h.in, configure, Makefile.in: Regenerated.
443 2002-04-27 Diego Novillo <dnovillo@redhat.com>
445 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
446 modifiers to prevent being optimized away.
447 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
448 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
449 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
450 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
451 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
452 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
453 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
455 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
457 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
458 * configure.in: Look for uintptr_t and -ldl on target.
459 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
460 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
461 * testsuite/Makefile.in: Regenerated.
462 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
463 for better C compliance.
465 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
467 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
469 * mf-runtime.c (__mf_set_default_options): Turn off
470 check-initialization.
471 (__mf_describe_object): Shorten description.
472 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
474 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
476 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
478 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
480 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
482 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
483 * mf-impl.h (CALL_BACKUP): New macros.
484 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
486 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
488 * Makefile.am (AM_CFLAGS): Remove optimization flags.
489 (HOOKOBJS): Remove dlopen hook.
490 (libmudflap_la_LIBADD): Add -ldl.
491 * mf-hooks.c (dlopen): Remove hook.
492 * mf-impl.h (__mf_dynamic): Ditto.
493 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
494 * Makefile.in: Regenerated.
496 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
498 * configure.in: Check for target gettimeofday, signal, some headers.
499 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
500 out inop multi_threaded field.
501 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
502 (__mf_set_options): Correct handling of "-help".
503 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
504 (__mf_check, __mf_register, __mf_unregister): Call it.
505 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
506 (__mf_report_leaks): Make callable
507 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
508 distribution statistics.
509 (__mf_adapt_cache): Rewrite shift guessing logic based on address
511 * config.h.in, configure: Regenerated.
512 * testsuite/libmudflap.c/fail27-frag.c: New test.
513 * testsuite/libmudflap.c/pass36-frag.c: New test.
515 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
517 * mf-runtime.h.in: Tweak.
518 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
519 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
520 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
522 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
524 * configure.in: Tweak generation of mf-runtime.h some more. It
525 needs to work from both config.status and configure.
526 * configure: Regenerated.
528 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
530 * Makefile.am: Reorganize hook file building. Add auto dependencies.
531 * configure.in: Tweak generation of mf-runtime.h.
532 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
533 * mf-hooks.c (*): Adapt to initialized-heap object type.
534 * mf-impl.h: Tweak cemetary boundaries.
535 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
537 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
538 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
539 * testsuite/lib/libmudflap.exp (includes): Include build tree.
540 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
542 * testsuite/.../fail{25,26}-frag.c: New tests.
543 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
544 * Makefile.in, configure: Regenerated.
546 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
548 * mf-runtime.c (__mf_set_default_options): Turn on initialization
550 (__mf_insert_new_object): As a temporary hack, assume that new
551 objects registered on the stack start out initialized.
552 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
553 heap objects by hand.
555 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
557 Switch to macro-style hooks for str*/mem*/b* functions.
558 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
559 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
560 * mf-runtime.c: #include config.h to enable glibc backtraces again.
561 (__mf_set_default_options): Turn off heur_proc_map.
562 (*): Adapt to to macro-style hook functions.
563 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
564 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
565 (__mf_violation): Handle __MF_VIOL_WATCH.
566 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
567 (__mf_dynamic): Removed mem*/str*/b* functions.
568 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
569 (WRAPPER2): New macro for macro-style hooks.
570 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
572 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
573 * mf-heuristics.c: Adapt to macro-style hook functions.
574 Correct some comments.
575 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
576 output pattern tests.
577 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
578 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
580 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
582 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
583 for global array registration.
584 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
585 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
587 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
589 * Makefile.am: Add gross make bug workarounds. Tweaked
590 SUBDIRS and AM_CFLAGS.
591 * Makefile.in: Regenerated.
593 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
596 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
597 * Makefile.am (TESTS): Remove simple automake testing.
598 * configure, Makefile.in: Regenerated.
599 (SUBDIRS): Include new testsuite/ directory.
600 * tests/*: Removed all files; moved bulk under:
601 * testsuite/*: New subdirectory tree.
602 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
603 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
604 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
605 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
606 * testsuite/config/default.exp: New file.
607 * testsuite/Makefile.am, Makefile.in: New files.
609 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
611 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
612 (TESTS): Add fail22 and pass29 tests.
613 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
614 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
615 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
616 values. Move __MF_VIOL* here.
617 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
618 (check_initialization): New field in __mf_opts. Default off.
619 (read_count,write_count): New fields in __mf_object.
620 (__mf_check): Implement basic initialization checking.
621 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
622 (__mf_describe_object): Print new fields.
623 (__mf_violation): Identify check/read vs. check/write in messages.
624 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
625 "-check-initialized" mudflap option.
626 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
627 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
628 Drop __FILE__/__LINE__ hack. Update callers.
629 (*): Adapt to new mf-runtime.h API.
630 * Makefile.in: regenerated.
632 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
634 * configure.in: Build mf-runtime.h a more proper way.
635 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
636 * mf-runtime.c (verbose_violations): Turn on by default.
637 * mf-runtime.h.in: Remove some miscellaneous stuff ...
638 * mf-impl.h: ... and move it here.
639 * configure: Regenerated.
641 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
643 * configure.in: Look for C++ compiler.
644 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
645 fixed type warnings when built with C++.
646 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
647 * Makefile.am (TESTS): Run them.
648 (*) Add new rules for building and running C++ tests.
649 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
650 * mf-runtime.h.in: Protect with extern "C".
651 * Makefile, configure: Regenerated.
653 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
655 Portability improvements.
656 * configure.in: Look for glibc backtrace headers/functions.
657 * mf-hooks.c: Don't include <execinfo.h> any more.
658 * mf-runtime.c (__mf_set_options): Call more stdlib functions
660 (__mf_backtrace): Provide alternate baby implementation in
662 * test/mf-driver.c: Portability tweaks.
663 * acinclude.m4: New file, containing top level libtool.m4.
664 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
666 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
668 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
670 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
672 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
674 (__mf_unregister): Implement stack/heap object wiping.
675 (__mf_set_options): Renamed from __mf_process_opts.
676 (__mf_uncache_object): Change arg type, correct callers.
677 * mf-impl.h: Corresponding changes.
678 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
679 * mf-runtime.h.in (__mf_set_options): Extend public API.
680 * test/pass26-frag.c: New test for stack wiping.
681 * Makefile.am (TESTS): Run it.
682 * Makefile.in: Regenerated.
684 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
686 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
687 * mf-runtime.c (__mf_object_t): Add watching_p field.
688 (__mf_watch_or_not): New function to implement
689 object watch flagging.
690 (__mf_watch, __mf_unwatch): New wrappers for above.
691 (__mf_check, __mf_describe_object): Handle objects with watching_p.
692 (__mf_count_violation): Enlarge array.
693 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
694 unlink object. Clear cache properly.
695 (__mf_unregister): Unlink object explicitly before uncaching.
696 * test/fail21-frag.c, pass25-frag.c: New tests.
697 * Makefile.in, aclocal.m4: Regenerated.
699 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
701 * test/fail20-frag.c: New test for NULL pointer dereferencing.
702 * Makefile.am (TESTS): Add it.
703 * test/pass-stratcliff.c: Add decls of stpcpy.
704 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
705 build tree from config.h and new file mf-runtime.h.in.
706 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
707 * Makefile.in, configure, config.h.in: Regenerated.
708 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
709 * mf-runtime.c (options, __mf_set_default_options): Support new
710 default "abbreviate" option.
711 (__mf_object.description_epoch): New field.
712 (__mf_describe_object): Conditionally abbreviate objects already
713 displayed in current epoch. Accept NULL input to increment epoch.
714 (__mf_fini, __mf_ini): Reset description epoch.
715 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
716 that NULL pointer slot in lookup cache is invalidated. Register a
717 NOACCESS region around NULL.
718 * mf-impl.h: Corresponding changes.
720 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
722 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
723 * Makefile.am: Run them. Install mf-runtime.h.
724 * Makefile.in: Regenerated.
725 * mf-hooks.c: Add some markers for more missing functions.
726 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
727 statistic to tune tune cache size (mask).
729 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
731 * test/pass23-frag.c: New test for bit_field_ref expressions.
732 * Makefile.am, Makefile.in: Add new test.
733 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
734 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
735 * mf-runtime.c (__mf_init): Register errno global.
736 (__mf_find_object): Removed function.
737 (__mf_check): Rewrite logic to support accesses across some
738 contiguous but distinctly registered objects.
739 (__mf_remove_old_object): Tolerate cache entries that span
742 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
744 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
745 * Makefile.am, Makefile.in: Run new tests.
746 * mf-hooks.c (alloca): Correct stack direction logic.
748 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
750 * mf-impl.h (adapt_cache): New option.
751 * mf-runtime.c (__mf_set_default_options): Set its default value.
752 Tweak the tree_aging parameter down.
753 (__mf_check): Maintain separate counter for cache-adaptation.
754 (__mf_tree_analyze): New function to collect object tree stats.
755 (__mf_adapt_cache): New function to automate cache parameters.
757 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
759 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
760 hypothetical #if-0'd argv/envp region registration.
761 * mf-runtime.c (__mf_init): Add kludged form of above.
762 (*) Add "heur_argv_environ" flag, default on, to govern this.
763 * mf-impl.h: Corresponding changes.
765 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
767 * test/fail18-frag.c: New test file for NOACCESS regions.
768 * Makefile.am (TESTS): Add new test.
769 * Makefile.in: Regenerated.
771 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
772 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
773 (optimize_object_tree): Remove unused mudflap_option.
774 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
775 support throughout. Use .._MAX_CEM for cemetary upper bound.
776 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
778 (__mf_object): Add new liveness field for use by tree aging.
779 (__mf_check): Trigger tree aging when needed.
780 (__mf_age_tree): New function to decay liveness field.
781 (__mf_find_objects_rec): Use liveness field to rotate tree.
782 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
783 (__mf_unregister): Ditto.
784 (__mf_register): Tweak duplicate-static message.
785 (__mf_violation: Tweak nearby-object counter printing.
787 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
789 * test/pass20-frag.c: New test file.
790 * Makefile.am (TESTS): Reorganize. Add pass20 test.
791 * Makefile.in: Regenerated.
793 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
794 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
795 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
796 entries to avoid repeat registration.
797 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
798 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
800 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
802 * Makefile.am: Create test sources with #include, not cat>>.
803 * Makefile.in: Regenerated.
804 * test/buildtest.sh: Removed.
805 * test/driver.c (abort_handler, main): Be quiet.
807 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
809 * test/pass18-frag.c, pass19-frag.c: New tests.
810 * Makefile.am (check): Run them. Rebuild test programs each time.
811 * Makefile.in: Regenerated.
813 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
815 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
816 overlapping object search.
817 (__mf_violation): Likewise for nearby objects.
818 Improve nearby-object listing.
821 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
822 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
824 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
827 * Makefile.am (AM_CFLAGS): New definition of needed settings.
828 (HOOKOBJS): Add alloca-hook.o.
829 * mf-hooks.c (alloca): New function to implement alloca in libiberty
831 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
832 (__mf_backtrace): Reimplement without using alloca.
833 * Makefile.in: Regenerated.
836 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
837 Correct signedness bugs in length-tracking variables.
838 * mf-impl.h: Make options unsigned.
839 (CALL_WRAP): New macro to parallel CALL_REAL().
840 (DECLARE): Remove erroneous ";" at end.
841 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
842 formatting specs with %08lx. Correct several compiler warnings.
844 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
846 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
848 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
850 libmudflap hook breakup:
851 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
853 (TESTS): Make dependent on libmudflap.
854 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
855 compiled from segments of mf-hooks.c.
856 * mf-hooks.c: Corresponding changes: wrap each function in
858 * Makefile.in: Regenerated.
860 Heuristics reorganization:
861 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
862 Remove these functions. Update callers.
863 (__mf_heuristic_check): Incorporate all the various heuristics.
864 Encode cacheability/retry judgement into trinary return value.
865 Separate start-end logic into a separate fallback heuristic. Only
866 register relevant /proc/self/map segments.
867 * mf-impl.h: Corresponding changes.
868 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
869 (__mf_init): Don't call __mf_init_heuristics.
872 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
873 "-verbose-trace" to emit all tracing messages other than those of
874 basic public api. Eliminate some duplicate/excessive messages.
875 * mf-runtime.h: Corresponding changes.
877 2002-08-27 Graydon Hoare <graydon@redhat.com>
879 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
880 and __real when compiled with -DPIC.
881 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
882 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
883 * Makefile.in: Regenerate.
885 2002-08-26 Graydon Hoare <graydon@redhat.com>
887 * mf-impl.h: New file, private implementation header.
888 * mf-runtime.h: Reorganize a bit.
889 (CLAMPSZ): Fix arithmetic.
890 (__MF_CACHE_MISS_P): Fix arithmetic.
891 * mf-runtime.c: Reorganize a bit.
892 (__mf_dynamic): New structure.
893 (resolve_single_dynamic): New function.
894 (__mf_resolve_dynamics): New function.
895 (__mf_init): Initialize dynamic wrappers.
896 * mf-hooks.c: Macro-ize __real calls.
897 Clamp various bits of arithmetic.
898 Add explicit __mf_check call contexts.
899 * Makefile.am: Add dependencies on mf-impl.h
900 * Makefile.in: Regenerate.
901 * configure.in: Comment out shared override.
902 * configure: Regenerate.
904 2002-08-22 Graydon Hoare <graydon@redhat.com>
906 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
907 (__mf_check): Re-inialize and check heuristics before violation.
908 (__mf_register): Permit updating pure-guess regions.
909 * mf-hooks.c (__wrap_free): Correct some free queue logic.
910 (__wrap_dlopen): New wrapper function.
911 (__wrap_mmap): New wrapper function.
912 (__wrap_munmap): New wrapper function.
913 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
914 which are not stack addresses.
915 (is_stack_address): New function.
916 (__mf_init_heuristics): Save and restore state, always initialize with
919 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
921 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
922 error. Pass location string.
923 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
924 * mf-runtime.c (options): Add lc-mask, lc-shift options.
925 (__mf_process_opts): Apply some sanity checking for lc-mask.
926 (__mf_check, __mf_violation): Take new location-string argument.
927 Update callers to pass NULL if necessary.
928 (__mf_backtrace): New smart backtracer function. Calls replace
929 several ad-hoc blocks elsewhere.
930 (__mf_describe_object): Remove bad reentrancy test. Improve
932 * mf-runtime.h: Corresponding changes. Public/private markup.
933 (__MF_CACHE_MISS_P): New macro.
935 2002-08-20 Graydon Hoare <graydon@redhat.com>
937 * mf-runtime.h: New option: stack_bound (heuristic).
938 Move some macros out of implementation files.
939 * mf-runtime.c: New option string: -stack-bound.
940 Unify recursion protection with hooks.
942 (__mf_check): Call __mf_heuristic_check.
943 (__mf_process_opts): Fix "no-" processing.
944 * mf-heuristics.c (__mf_heuristic_check): New function.
945 * mf-hooks.c: Much off-by-one fixing, recursion protection.
947 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
949 Option parsing improvements, region splitting bug fixes:
950 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
951 * mf-runtime.h (heur_proc_map): New libmudflap option.
952 * mf-runtime.c (__mf_set_default_options): Set it.
953 (__mf_usage): Print default values/status.
954 (__mf_process_opts): Support general "no-" option string prefix.
955 (__mf_init): Print __mf_usage on unknown-option error.
956 (__mf_register): Print trace message up front.
957 Correct region splitting logic for case where a subregion disappears.
959 (__mf_violation): Make even basic message conditional on option.
962 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
963 (clean-local): New target.
964 (test/*x rules): Add -g CFLAGS.
965 (CFLAGS): Add -freorder-blocks.
966 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
967 * Makefile.in: Regenerated.
968 * Makefile, mf-config.h: Removed files.
970 2002-08-16 Graydon Hoare <graydon@redhat.com>
972 * mf-runtime.c (__mf_insert_new_object): Factor out of
974 (__mf_remove_old_object): Factor out of __mf_unregister.
975 (__mf_register): Handle guessed regions, splitting
976 guesses when new registrations arrive.
977 (__mf_unregister): Do not unregister guesses.
978 * mf-runtime.h: Move convenience macros around,
979 declare new option fields. Add __MF_TYPE_GUESS.
980 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
981 (__wrap_free): Call __real_free for deferred frees.
982 * Makefile.am: Add more tests, fix dependency.
983 * Makefile.in: Regenerate.
984 * test/pass[13..17]-frag.c: New testcases.
985 * test/fail[13..17]-frag.c: New testcases.
987 2002-08-15 Graydon Hoare <graydon@redhat.com>
989 * mf-heuristics.c: New file.
990 * mf-runtime.c (options): Add -trace-calls option.
991 (__mf_init): Call __mf_init_heuristics.
993 2002-08-14 Graydon Hoare <graydon@redhat.com>
995 * Makefile.am (TESTS): Add testsuite support.
996 * Makefile.in: Regenerate.
997 * test/mf-driver.c: New file.
998 * test/buildtest.sh: New file.
999 * test/passNN-frag.c: New testcases.
1000 * test/failNN-frag.c: New testcases.
1002 2002-08-14 Graydon Hoare <graydon@redhat.com>
1004 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1005 verifying non-size-limited string extents.
1007 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1009 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1010 instead of plain str[n]len for internal checks.
1011 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1013 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1015 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1017 2002-08-13 Graydon Hoare <graydon@redhat.com>
1019 * mf-runtime.c: Rework configuration to operate on
1020 environment variable options rather than #defines
1021 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1022 (__mf_init): Set static __mf_active_p flag on startup,
1023 to inhibit mudflap wrap-based checking during crt0.s.
1024 * mf-runtime.h: Declare options structure.
1025 * mf-hooks.c: New wrappings for mem*, b*, str*
1026 libc functions (temporarily #if 0-ed out).
1028 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1030 * Makefile.am, configure.in: New files.
1031 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1032 * stamp-h.in, aclocal.m4: Ditto.
1034 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1036 * Makefile: New file.
1037 * mf-config.h: New file: runtime configuration.
1038 * mf-hooks.c: New file: interposed libc functions.
1039 * mf-runtime.c: New file: bulk of runtime.
1040 * mf-runtime.h: New file: public functions.