1 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
3 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
6 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
8 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
9 * aclocal.m4, configure: Rebuilt.
11 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
13 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
14 import some build settings from libstdc++-v3 testsuite_flags.
15 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
16 changes to pass test language.
18 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
19 quicker mode-nop handling.
21 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
23 * mf-impl.h: Added libgcc license header.
25 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
27 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
28 Added libgcc license header.
29 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
30 (pthread_create): Simplify stack allocation syntax.
32 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
34 * mf-hooks2.c: Support FreeBSD.
35 (WRAP_gets): Avoid gets().
36 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
37 test unimplemented mem/str calls on FreeBSD.
38 * testsuite/libmudflap.c/pass21-frag.c: Do not include
39 <alloca.h> on FreeBSD.
41 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
43 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
44 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
45 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
46 flags for static linking permutation.
47 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
48 some pthreads code that croaks on linux glibc tls.
50 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
52 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
54 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
56 * testsuite/libmudflap.c/pass44-frag.c: New test.
58 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
60 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
62 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
64 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
66 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
68 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
70 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
73 * configure.in: Add check for see if
74 socklen_t typedef is in sys/socket.h.
75 * mf-hooks1.c: Add define if socklen_t
77 * mf-hooks2.c: Likewise.
78 * mf-hooks3.c: Likewise.
82 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
84 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
85 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
87 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
88 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
89 (unoptimized) allocation of stack space.
91 2003-12-07 Richard Henderson <rth@redhat.com>
93 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
94 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
96 2003-12-06 Andrew Pinski <apinski@apple.com>
98 partial PR libmudflap/12670
99 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
100 * mf-hooks2.c: Likewise.
101 * mf-hooks3.c: Likewise.
103 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
106 * mf-runtime.h.in: Switch to #pragma redefine_extname for
107 symbols interposed at compile time.
108 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
111 * mf-hooks2.c (semctl): Tolerate FreeBSD.
113 * configure.in: Reorganize check for <pthread.h>.
114 * configure: Regenerated.
116 2003-11-04 David Edelsohn <edelsohn@gnu.org>
118 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
119 (_LARGE_FILE_API): Define for AIX.
120 * mf-hooks[123]: Same.
121 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
123 2003-10-21 David Edelsohn <edelsohn@gnu.org>
125 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
127 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
129 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
131 * configure.in: Update check for union semun.
133 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
136 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
138 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
141 * configure.in: Add checks for 64-bit LFS functions, struct semun
142 definition, for BSD compatibility.
143 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
144 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
145 * mf-hooks3.c: Ditto.
146 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
148 * configure, config.h.in: Regenerated.
150 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
152 Multithreading fixes:
153 * mf-runtime.c (__mf_object): Store allocating/deallocating
155 (options): Support new "-thread-stack" option.
156 Rename "-heur-argv-environ" option to "-heur-stdlib".
157 Disable "-lc-mask" and "-lc-shift" options.
158 (__mf_dynamic): Add function pointers for pthread_join/_exit.
159 (__assert_fail): New self-contained function for glibc.
160 * mf-hooks3.c: Essentially rewritten, particularly related to
161 use of __mf_pthread_info array.
162 (pthread_join, _exit): New hook functions.
163 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
164 * testsuite/libmudflap.cth/pass40-frag.c: New test.
167 * mf-heuristics.c: Add type casts for tracing, sub calls.
168 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
169 Update all callers to declare explicit result holder.
170 (END_PROTECT): Removed.
171 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
173 2003-07-15 Diego Novillo <dnovillo@redhat.com>
175 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
176 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
177 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
179 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
181 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
183 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
184 Move these macros from old mf-hooks.c here.
185 * Makefile.am: Adapt to split-up hook sources for faster builds.
186 * Makefile.in: Regenerated.
188 * mf-heuristics.c: Remove #if-0 block.
190 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
191 (__mf_starting_p): New state only for use while dlsym bootstrapping.
192 (CALL_REAL, __mf_init): Corresponding changes.
193 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
194 all callers to remove redundant "mf:" prefix.
195 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
196 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
197 (__mf_pthread_info): Become a hash table.
199 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
200 "dg-repetitions" directives to control test case execution.
201 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
203 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
205 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
207 * mf-hooks.c (alloca): Separate into stub.
208 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
209 malloc/free for alloca blocks.
210 (pthread_create): Tolerate failing pthread_attr_get* calls.
211 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
212 * mf-impl.h (CALL_WRAP): Remove macro.
213 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
214 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
215 padding for ia64 BIT_FIELD_REF constructs.
217 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
219 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
220 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
221 libmudflap object type.
222 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
223 crashes on unregistering STATIC objects.
225 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
227 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
228 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
229 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
230 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
231 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
232 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
233 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
234 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
235 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
236 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
237 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
238 (accept, bind, connect, gethostname, sethostname): New hooks.
239 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
240 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
241 (semop, semctl, shmctl, shmat, shmdt): New hooks.
242 * mf-runtime.h.in: Corresponding changes.
243 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
244 (opts) Rename heur_argv_environ to heur_std_data.
245 (__mf_wrap_main): Use STATIC type for argv/environ strings.
246 * Makefile.am: Corresponding changes.
247 * Makefile.in: Regenerated.
249 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
251 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
252 heuristic for threaded case, and for non-x86-linux targets.
253 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
254 for use during pre-main() program startup.
255 (__mf_0fn_*): Make these functions non-static.
256 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
258 * mf-runtime.c (__mf_state): Set initial state to "starting".
259 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
260 (__wrap_main): New function to register argv[] and environ[] strings.
262 (*): In all trace functions, use "%p" as formatter for uintptr_t.
264 * testsuite/libmudflap.c/pass38-frag.c: New test case.
265 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
267 * acinclude.m4: Add comments with aoliva's concerns about x86_64
269 * aclocal.m4, configure: Regenerated.
271 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
273 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
274 * aclocal.m4, configure: Regenerated.
276 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
278 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
279 for x86_64 target. Disable caching for this value.
280 * aclocal.m4, configure: Regenerated.
282 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
284 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
285 is about to become deprecated, and its present handling bugs are
288 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
290 * testsuite/libmudflap.c/pass38-frag.c: New test for
293 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
295 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
296 __mf_report, asserting reentrant calling context.
298 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
300 * mf-hooks.c (realloc): Correct reentrancy logic.
301 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
303 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
305 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
306 PTHREAD_THREADS_MAX. Update users.
307 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
309 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
310 with libmudflapth presence indicator.
311 * testsuite/Makefile.in: Regenerated.
313 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
315 * Makefile.am (AM_CFLAGS): Remove "-ansi".
316 * configure.in: Remove silly no-pthreads => no-shared logic.
317 * Makefile.in, configure: Regenerated.
318 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
319 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
320 code. Count reentrancy events.
321 (all hook functions): Don't directly manipulate __mf_state variable.
322 Add TRACE calls to hook functions without them.
323 * mf-impl.h (LOCKTH): Try to count lock contention events.
324 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
325 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
326 Reorganize reentrancy code.
327 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
328 identify reentrancy with mutex holding times.
329 (internal __mfu_ entry points): Remove internal reentrancy code.
330 (__mf_init): Use ordinary locked calls.
331 (__mfu_report): Print the two new counts.
332 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
333 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
334 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
335 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
338 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
340 * configure.in: Add pthread support, plus glibc and porting hacks.
341 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
342 from objects built into ./pth/.
343 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
344 functions for internal entry points. Update callers to pick
345 locked vs. unlocked variants.
346 (__mf_resolve_single_dynamic): Extend to support symbol versioning
347 info coming in from a static data structure.
348 (*): Reorder miscellaneous declarations to group data vs functions.
349 (__mf_set_default_options): Simplify.
350 (__mf_usage): Mention threading status of host executable.
351 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
352 decls to match above.
353 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
354 * mf-heuristics.c: Choose between locked/unlocked calls. Add
355 some lock/unlock markers. Remove some unused code.
357 (pthread_create): New hook function.
358 (__mf_pthread_cleanup, _spawner): New helper functions.
359 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
361 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
363 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
365 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
367 * Makefile.am (HOOKOBJS): Add *time related hooks.
368 * configure.in: Look for pthreads.h header.
369 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
370 * mf-runtime.c: Begin sketching some pthreads support.
371 (__mf_usage): Check for -lpthread presence.
372 (__mf_unregister): Confirm matching unregistration base.
373 (__mf_find_objects_rec): Reduce unnecessary recursion.
374 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
375 #defines for new hook functions.
376 * mf-impl.h: Corresponding changes.
377 * config.h.in, configure, Makefile.in: Regenerated.
379 2002-04-27 Diego Novillo <dnovillo@redhat.com>
381 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
382 modifiers to prevent being optimized away.
383 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
384 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
385 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
386 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
387 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
388 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
389 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
391 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
393 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
394 * configure.in: Look for uintptr_t and -ldl on target.
395 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
396 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
397 * testsuite/Makefile.in: Regenerated.
398 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
399 for better C compliance.
401 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
403 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
405 * mf-runtime.c (__mf_set_default_options): Turn off
406 check-initialization.
407 (__mf_describe_object): Shorten description.
408 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
410 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
412 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
414 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
416 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
418 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
419 * mf-impl.h (CALL_BACKUP): New macros.
420 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
422 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
424 * Makefile.am (AM_CFLAGS): Remove optimization flags.
425 (HOOKOBJS): Remove dlopen hook.
426 (libmudflap_la_LIBADD): Add -ldl.
427 * mf-hooks.c (dlopen): Remove hook.
428 * mf-impl.h (__mf_dynamic): Ditto.
429 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
430 * Makefile.in: Regenerated.
432 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
434 * configure.in: Check for target gettimeofday, signal, some headers.
435 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
436 out inop multi_threaded field.
437 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
438 (__mf_set_options): Correct handling of "-help".
439 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
440 (__mf_check, __mf_register, __mf_unregister): Call it.
441 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
442 (__mf_report_leaks): Make callable
443 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
444 distribution statistics.
445 (__mf_adapt_cache): Rewrite shift guessing logic based on address
447 * config.h.in, configure: Regenerated.
448 * testsuite/libmudflap.c/fail27-frag.c: New test.
449 * testsuite/libmudflap.c/pass36-frag.c: New test.
451 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
453 * mf-runtime.h.in: Tweak.
454 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
455 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
456 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
458 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
460 * configure.in: Tweak generation of mf-runtime.h some more. It
461 needs to work from both config.status and configure.
462 * configure: Regenerated.
464 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
466 * Makefile.am: Reorganize hook file building. Add auto dependencies.
467 * configure.in: Tweak generation of mf-runtime.h.
468 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
469 * mf-hooks.c (*): Adapt to initialized-heap object type.
470 * mf-impl.h: Tweak cemetary boundaries.
471 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
473 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
474 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
475 * testsuite/lib/libmudflap.exp (includes): Include build tree.
476 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
478 * testsuite/.../fail{25,26}-frag.c: New tests.
479 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
480 * Makefile.in, configure: Regenerated.
482 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
484 * mf-runtime.c (__mf_set_default_options): Turn on initialization
486 (__mf_insert_new_object): As a temporary hack, assume that new
487 objects registered on the stack start out initialized.
488 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
489 heap objects by hand.
491 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
493 Switch to macro-style hooks for str*/mem*/b* functions.
494 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
495 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
496 * mf-runtime.c: #include config.h to enable glibc backtraces again.
497 (__mf_set_default_options): Turn off heur_proc_map.
498 (*): Adapt to to macro-style hook functions.
499 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
500 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
501 (__mf_violation): Handle __MF_VIOL_WATCH.
502 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
503 (__mf_dynamic): Removed mem*/str*/b* functions.
504 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
505 (WRAPPER2): New macro for macro-style hooks.
506 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
508 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
509 * mf-heuristics.c: Adapt to macro-style hook functions.
510 Correct some comments.
511 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
512 output pattern tests.
513 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
514 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
516 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
518 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
519 for global array registration.
520 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
521 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
523 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
525 * Makefile.am: Add gross make bug workarounds. Tweaked
526 SUBDIRS and AM_CFLAGS.
527 * Makefile.in: Regenerated.
529 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
532 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
533 * Makefile.am (TESTS): Remove simple automake testing.
534 * configure, Makefile.in: Regenerated.
535 (SUBDIRS): Include new testsuite/ directory.
536 * tests/*: Removed all files; moved bulk under:
537 * testsuite/*: New subdirectory tree.
538 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
539 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
540 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
541 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
542 * testsuite/config/default.exp: New file.
543 * testsuite/Makefile.am, Makefile.in: New files.
545 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
547 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
548 (TESTS): Add fail22 and pass29 tests.
549 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
550 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
551 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
552 values. Move __MF_VIOL* here.
553 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
554 (check_initialization): New field in __mf_opts. Default off.
555 (read_count,write_count): New fields in __mf_object.
556 (__mf_check): Implement basic initialization checking.
557 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
558 (__mf_describe_object): Print new fields.
559 (__mf_violation): Identify check/read vs. check/write in messages.
560 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
561 "-check-initialized" mudflap option.
562 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
563 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
564 Drop __FILE__/__LINE__ hack. Update callers.
565 (*): Adapt to new mf-runtime.h API.
566 * Makefile.in: regenerated.
568 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
570 * configure.in: Build mf-runtime.h a more proper way.
571 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
572 * mf-runtime.c (verbose_violations): Turn on by default.
573 * mf-runtime.h.in: Remove some miscellaneous stuff ...
574 * mf-impl.h: ... and move it here.
575 * configure: Regenerated.
577 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
579 * configure.in: Look for C++ compiler.
580 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
581 fixed type warnings when built with C++.
582 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
583 * Makefile.am (TESTS): Run them.
584 (*) Add new rules for building and running C++ tests.
585 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
586 * mf-runtime.h.in: Protect with extern "C".
587 * Makefile, configure: Regenerated.
589 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
591 Portability improvements.
592 * configure.in: Look for glibc backtrace headers/functions.
593 * mf-hooks.c: Don't include <execinfo.h> any more.
594 * mf-runtime.c (__mf_set_options): Call more stdlib functions
596 (__mf_backtrace): Provide alternate baby implementation in
598 * test/mf-driver.c: Portability tweaks.
599 * acinclude.m4: New file, containing top level libtool.m4.
600 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
602 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
604 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
606 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
608 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
610 (__mf_unregister): Implement stack/heap object wiping.
611 (__mf_set_options): Renamed from __mf_process_opts.
612 (__mf_uncache_object): Change arg type, correct callers.
613 * mf-impl.h: Corresponding changes.
614 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
615 * mf-runtime.h.in (__mf_set_options): Extend public API.
616 * test/pass26-frag.c: New test for stack wiping.
617 * Makefile.am (TESTS): Run it.
618 * Makefile.in: Regenerated.
620 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
622 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
623 * mf-runtime.c (__mf_object_t): Add watching_p field.
624 (__mf_watch_or_not): New function to implement
625 object watch flagging.
626 (__mf_watch, __mf_unwatch): New wrappers for above.
627 (__mf_check, __mf_describe_object): Handle objects with watching_p.
628 (__mf_count_violation): Enlarge array.
629 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
630 unlink object. Clear cache properly.
631 (__mf_unregister): Unlink object explicitly before uncaching.
632 * test/fail21-frag.c, pass25-frag.c: New tests.
633 * Makefile.in, aclocal.m4: Regenerated.
635 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
637 * test/fail20-frag.c: New test for NULL pointer dereferencing.
638 * Makefile.am (TESTS): Add it.
639 * test/pass-stratcliff.c: Add decls of stpcpy.
640 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
641 build tree from config.h and new file mf-runtime.h.in.
642 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
643 * Makefile.in, configure, config.h.in: Regenerated.
644 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
645 * mf-runtime.c (options, __mf_set_default_options): Support new
646 default "abbreviate" option.
647 (__mf_object.description_epoch): New field.
648 (__mf_describe_object): Conditionally abbreviate objects already
649 displayed in current epoch. Accept NULL input to increment epoch.
650 (__mf_fini, __mf_ini): Reset description epoch.
651 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
652 that NULL pointer slot in lookup cache is invalidated. Register a
653 NOACCESS region around NULL.
654 * mf-impl.h: Corresponding changes.
656 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
658 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
659 * Makefile.am: Run them. Install mf-runtime.h.
660 * Makefile.in: Regenerated.
661 * mf-hooks.c: Add some markers for more missing functions.
662 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
663 statistic to tune tune cache size (mask).
665 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
667 * test/pass23-frag.c: New test for bit_field_ref expressions.
668 * Makefile.am, Makefile.in: Add new test.
669 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
670 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
671 * mf-runtime.c (__mf_init): Register errno global.
672 (__mf_find_object): Removed function.
673 (__mf_check): Rewrite logic to support accesses across some
674 contiguous but distinctly registered objects.
675 (__mf_remove_old_object): Tolerate cache entries that span
678 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
680 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
681 * Makefile.am, Makefile.in: Run new tests.
682 * mf-hooks.c (alloca): Correct stack direction logic.
684 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
686 * mf-impl.h (adapt_cache): New option.
687 * mf-runtime.c (__mf_set_default_options): Set its default value.
688 Tweak the tree_aging parameter down.
689 (__mf_check): Maintain separate counter for cache-adaptation.
690 (__mf_tree_analyze): New function to collect object tree stats.
691 (__mf_adapt_cache): New function to automate cache parameters.
693 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
695 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
696 hypothetical #if-0'd argv/envp region registration.
697 * mf-runtime.c (__mf_init): Add kludged form of above.
698 (*) Add "heur_argv_environ" flag, default on, to govern this.
699 * mf-impl.h: Corresponding changes.
701 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
703 * test/fail18-frag.c: New test file for NOACCESS regions.
704 * Makefile.am (TESTS): Add new test.
705 * Makefile.in: Regenerated.
707 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
708 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
709 (optimize_object_tree): Remove unused mudflap_option.
710 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
711 support throughout. Use .._MAX_CEM for cemetary upper bound.
712 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
714 (__mf_object): Add new liveness field for use by tree aging.
715 (__mf_check): Trigger tree aging when needed.
716 (__mf_age_tree): New function to decay liveness field.
717 (__mf_find_objects_rec): Use liveness field to rotate tree.
718 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
719 (__mf_unregister): Ditto.
720 (__mf_register): Tweak duplicate-static message.
721 (__mf_violation: Tweak nearby-object counter printing.
723 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
725 * test/pass20-frag.c: New test file.
726 * Makefile.am (TESTS): Reorganize. Add pass20 test.
727 * Makefile.in: Regenerated.
729 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
730 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
731 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
732 entries to avoid repeat registration.
733 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
734 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
736 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
738 * Makefile.am: Create test sources with #include, not cat>>.
739 * Makefile.in: Regenerated.
740 * test/buildtest.sh: Removed.
741 * test/driver.c (abort_handler, main): Be quiet.
743 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
745 * test/pass18-frag.c, pass19-frag.c: New tests.
746 * Makefile.am (check): Run them. Rebuild test programs each time.
747 * Makefile.in: Regenerated.
749 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
751 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
752 overlapping object search.
753 (__mf_violation): Likewise for nearby objects.
754 Improve nearby-object listing.
757 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
758 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
760 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
763 * Makefile.am (AM_CFLAGS): New definition of needed settings.
764 (HOOKOBJS): Add alloca-hook.o.
765 * mf-hooks.c (alloca): New function to implement alloca in libiberty
767 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
768 (__mf_backtrace): Reimplement without using alloca.
769 * Makefile.in: Regenerated.
772 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
773 Correct signedness bugs in length-tracking variables.
774 * mf-impl.h: Make options unsigned.
775 (CALL_WRAP): New macro to parallel CALL_REAL().
776 (DECLARE): Remove erroneous ";" at end.
777 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
778 formatting specs with %08lx. Correct several compiler warnings.
780 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
782 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
784 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
786 libmudflap hook breakup:
787 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
789 (TESTS): Make dependent on libmudflap.
790 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
791 compiled from segments of mf-hooks.c.
792 * mf-hooks.c: Corresponding changes: wrap each function in
794 * Makefile.in: Regenerated.
796 Heuristics reorganization:
797 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
798 Remove these functions. Update callers.
799 (__mf_heuristic_check): Incorporate all the various heuristics.
800 Encode cacheability/retry judgement into trinary return value.
801 Separate start-end logic into a separate fallback heuristic. Only
802 register relevant /proc/self/map segments.
803 * mf-impl.h: Corresponding changes.
804 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
805 (__mf_init): Don't call __mf_init_heuristics.
808 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
809 "-verbose-trace" to emit all tracing messages other than those of
810 basic public api. Eliminate some duplicate/excessive messages.
811 * mf-runtime.h: Corresponding changes.
813 2002-08-27 Graydon Hoare <graydon@redhat.com>
815 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
816 and __real when compiled with -DPIC.
817 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
818 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
819 * Makefile.in: Regenerate.
821 2002-08-26 Graydon Hoare <graydon@redhat.com>
823 * mf-impl.h: New file, private implementation header.
824 * mf-runtime.h: Reorganize a bit.
825 (CLAMPSZ): Fix arithmetic.
826 (__MF_CACHE_MISS_P): Fix arithmetic.
827 * mf-runtime.c: Reorganize a bit.
828 (__mf_dynamic): New structure.
829 (resolve_single_dynamic): New function.
830 (__mf_resolve_dynamics): New function.
831 (__mf_init): Initialize dynamic wrappers.
832 * mf-hooks.c: Macro-ize __real calls.
833 Clamp various bits of arithmetic.
834 Add explicit __mf_check call contexts.
835 * Makefile.am: Add dependencies on mf-impl.h
836 * Makefile.in: Regenerate.
837 * configure.in: Comment out shared override.
838 * configure: Regenerate.
840 2002-08-22 Graydon Hoare <graydon@redhat.com>
842 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
843 (__mf_check): Re-inialize and check heuristics before violation.
844 (__mf_register): Permit updating pure-guess regions.
845 * mf-hooks.c (__wrap_free): Correct some free queue logic.
846 (__wrap_dlopen): New wrapper function.
847 (__wrap_mmap): New wrapper function.
848 (__wrap_munmap): New wrapper function.
849 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
850 which are not stack addresses.
851 (is_stack_address): New function.
852 (__mf_init_heuristics): Save and restore state, always initialize with
855 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
857 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
858 error. Pass location string.
859 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
860 * mf-runtime.c (options): Add lc-mask, lc-shift options.
861 (__mf_process_opts): Apply some sanity checking for lc-mask.
862 (__mf_check, __mf_violation): Take new location-string argument.
863 Update callers to pass NULL if necessary.
864 (__mf_backtrace): New smart backtracer function. Calls replace
865 several ad-hoc blocks elsewhere.
866 (__mf_describe_object): Remove bad reentrancy test. Improve
868 * mf-runtime.h: Corresponding changes. Public/private markup.
869 (__MF_CACHE_MISS_P): New macro.
871 2002-08-20 Graydon Hoare <graydon@redhat.com>
873 * mf-runtime.h: New option: stack_bound (heuristic).
874 Move some macros out of implementation files.
875 * mf-runtime.c: New option string: -stack-bound.
876 Unify recursion protection with hooks.
878 (__mf_check): Call __mf_heuristic_check.
879 (__mf_process_opts): Fix "no-" processing.
880 * mf-heuristics.c (__mf_heuristic_check): New function.
881 * mf-hooks.c: Much off-by-one fixing, recursion protection.
883 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
885 Option parsing improvements, region splitting bug fixes:
886 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
887 * mf-runtime.h (heur_proc_map): New libmudflap option.
888 * mf-runtime.c (__mf_set_default_options): Set it.
889 (__mf_usage): Print default values/status.
890 (__mf_process_opts): Support general "no-" option string prefix.
891 (__mf_init): Print __mf_usage on unknown-option error.
892 (__mf_register): Print trace message up front.
893 Correct region splitting logic for case where a subregion disappears.
895 (__mf_violation): Make even basic message conditional on option.
898 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
899 (clean-local): New target.
900 (test/*x rules): Add -g CFLAGS.
901 (CFLAGS): Add -freorder-blocks.
902 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
903 * Makefile.in: Regenerated.
904 * Makefile, mf-config.h: Removed files.
906 2002-08-16 Graydon Hoare <graydon@redhat.com>
908 * mf-runtime.c (__mf_insert_new_object): Factor out of
910 (__mf_remove_old_object): Factor out of __mf_unregister.
911 (__mf_register): Handle guessed regions, splitting
912 guesses when new registrations arrive.
913 (__mf_unregister): Do not unregister guesses.
914 * mf-runtime.h: Move convenience macros around,
915 declare new option fields. Add __MF_TYPE_GUESS.
916 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
917 (__wrap_free): Call __real_free for deferred frees.
918 * Makefile.am: Add more tests, fix dependency.
919 * Makefile.in: Regenerate.
920 * test/pass[13..17]-frag.c: New testcases.
921 * test/fail[13..17]-frag.c: New testcases.
923 2002-08-15 Graydon Hoare <graydon@redhat.com>
925 * mf-heuristics.c: New file.
926 * mf-runtime.c (options): Add -trace-calls option.
927 (__mf_init): Call __mf_init_heuristics.
929 2002-08-14 Graydon Hoare <graydon@redhat.com>
931 * Makefile.am (TESTS): Add testsuite support.
932 * Makefile.in: Regenerate.
933 * test/mf-driver.c: New file.
934 * test/buildtest.sh: New file.
935 * test/passNN-frag.c: New testcases.
936 * test/failNN-frag.c: New testcases.
938 2002-08-14 Graydon Hoare <graydon@redhat.com>
940 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
941 verifying non-size-limited string extents.
943 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
945 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
946 instead of plain str[n]len for internal checks.
947 * mf-runtime.c (__mf_violation): Print optional stack traceback.
949 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
951 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
953 2002-08-13 Graydon Hoare <graydon@redhat.com>
955 * mf-runtime.c: Rework configuration to operate on
956 environment variable options rather than #defines
957 (__mf_violation): Add simple fork-a-gdb violaiton mode.
958 (__mf_init): Set static __mf_active_p flag on startup,
959 to inhibit mudflap wrap-based checking during crt0.s.
960 * mf-runtime.h: Declare options structure.
961 * mf-hooks.c: New wrappings for mem*, b*, str*
962 libc functions (temporarily #if 0-ed out).
964 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
966 * Makefile.am, configure.in: New files.
967 * Makefile.in, Makefile, configure, config.h.in: New generated files.
968 * stamp-h.in, aclocal.m4: Ditto.
970 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
972 * Makefile: New file.
973 * mf-config.h: New file: runtime configuration.
974 * mf-hooks.c: New file: interposed libc functions.
975 * mf-runtime.c: New file: bulk of runtime.
976 * mf-runtime.h: New file: public functions.