1 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
3 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
4 (__mfu_usage): Include (C) 2004.
5 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
6 here. Include a comment explaining why.
8 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
10 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
11 * mf-runtime.c (options): Give them a name.
12 (__mf_set_default_options): Set them.
13 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
14 (__mf_violation): Warning cleanup.
15 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
16 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
18 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
21 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
24 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
26 Test case for g++/15861
27 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
28 * testsuite/libmudflap.c++/ctors.exp: Driver.
29 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
30 Look only for *frag* test cases.
32 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
34 ANSI C conversion, libmudflap specialization, recursion limiting.
35 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
36 argument and indirection function pointers, update callers.
37 (splay_tree_s): Add statistics and recursion control fields
38 num_keys, max_depth, depth, rebalance_p.
39 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
40 Back out of search if it exceeds limit.
41 (splay_tree_splay): Manage recursion limiting with rebalancing as
43 (splay_tree_new): More initialization.
44 (splay_tree_rebalance): New function.
45 (splay_tree_foreach): Rewrite using nonrecursive logic.
46 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
47 Remove. Point indirect calls to mf-runtime.c's routines.
48 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
50 (splay_tree_delete, splay_tree_delete_helper): Ditto.
51 * testsuite/heap-scalestress.c: New test based on one from
52 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
54 2004-07-05 Matthias Klose <doko@debian.org>
56 * libtool-version: New.
57 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
58 Use -version-info for soname.
59 * Makefile.in: Regenerate.
60 * configure.ac: Remove libtool_VERSION macro
61 * configure: Regenerate
63 2004-07-05 Zack Weinberg <zack@codesourcery.com>
65 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
66 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
69 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
71 Splay tree implementation fork.
72 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
73 Use hard-coded comparison function for uintptr_t. Remove key/value
74 deallocation logic. Cache last splayed key for consecutive lookups.
75 * Makefile.am, Makefile.in: Use them, don't link to them.
76 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
77 (__mf_find_objects2): Flip successor/predecessor search sequence.
78 * ansidecl.h, libiberty.h: Removed dummy files.
80 2004-06-29 Nick Clifton <nickc@redhat.com>
82 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
83 * configure: Regenerate.
84 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
86 Remove spurious inclusion of <strings.h>.
88 2004-06-29 Nick Clifton <nickc@redhat.com>
90 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
91 function actually exists.
93 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
95 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
96 * config.h.in: Regenerated.
98 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
100 Adopt splay trees for object database.
101 * Makefile.am: Copy splay-tree.* from libiberty.
102 * Makefile.in, testsuite/Makefile.in: Regenerated.
103 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
104 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
105 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
106 * mf-runtime.c: Rewrite code dealing with object database to use
107 libiberty splay trees. Remove tree liveness aging option.
108 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
110 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
112 * configure.ac: New name of configure.in. Update
113 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
114 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
115 Autoconf 2.5x and Automake 1.7 or later.
116 * configure.in: Remove.
117 * configure: Regenerate.
119 * Makefile.am: Remove useless multilib rules.
120 * Makefile.in: Regenerate.
122 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
124 * .cvsignore: New file.
126 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
129 * mf-hooks2.c (semctl): Add cygwin porting hack.
131 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
134 * configure.in: Look for ctype header and glibc implementation.
135 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
136 array hooks for glibc 2.3.
137 * mf-runtime.h.in: Wrap them.
138 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
140 * testsuite/libmudflap.c/pass47-frag.c: New test.
141 * configure, config.h.in: Regenerated.
143 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
145 Portability improvements, e.g., libmudflap/15293.
146 * configure.in: Look for glibc extension functions. Look for
147 support of -f{function,data}-sections. Look for more headers.
148 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
149 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
150 mf-hooks* into usual single object per source.
151 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
152 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
153 if system doesn't provide one.
154 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
155 (pthread_create): Use it to properly GC dead thread stacks.
156 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
157 * testsuite/Makefile.am: Stop generating site.exp.
158 * testsuite/mfconfig.exp.in: New file.
159 * testsuite/config/default.exp: Load new mfconfig.exp.
160 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
161 (prune_gcc_output): Add glibc static linking warnings.
162 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
163 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
164 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
165 Regenerated with autoconf 2.57 and automake 1.7.
167 2004-06-04 Per Bothner <per@bothner.com>
169 * configure.in (LIBMUDFLAPTH): Fix thinko.
171 * configure.in: Check for more headers.
172 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
174 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
175 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
177 2004-06-01 Andreas Jaeger <aj@suse.de>
179 * configure.in: Handle multilibs, support
180 --enable-version-specific-runtime-libs.
181 * Makefile.am (lib_LTLIBRARIES): Rename to ...
182 (toolexeclib_LTLIBRARIES): this for multilib support.
183 * Makefile.in: Regenerated.
184 * configure: Regenerated.
185 * aclocal.m4: Regenerated.
186 * config.h.in: Regenerated.
187 * testsuite/Makefile.in: Regenerated.
189 2004-06-01 Andreas Jaeger <aj@suse.de>
191 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
192 multilibs, using multilib directory instead of hardcoded path.
195 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
197 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
198 * Makefile.in: Ditto.
200 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
202 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
203 * aclocal.m4, configure: Rebuilt.
205 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
207 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
208 import some build settings from libstdc++-v3 testsuite_flags.
209 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
210 changes to pass test language.
212 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
213 quicker mode-nop handling.
215 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
217 * mf-impl.h: Added libgcc license header.
219 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
221 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
222 Added libgcc license header.
223 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
224 (pthread_create): Simplify stack allocation syntax.
226 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
228 * mf-hooks2.c: Support FreeBSD.
229 (WRAP_gets): Avoid gets().
230 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
231 test unimplemented mem/str calls on FreeBSD.
232 * testsuite/libmudflap.c/pass21-frag.c: Do not include
233 <alloca.h> on FreeBSD.
235 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
237 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
238 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
239 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
240 flags for static linking permutation.
241 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
242 some pthreads code that croaks on linux glibc tls.
244 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
246 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
248 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
250 * testsuite/libmudflap.c/pass44-frag.c: New test.
252 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
254 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
256 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
258 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
260 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
262 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
264 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
267 * configure.in: Add check for see if
268 socklen_t typedef is in sys/socket.h.
269 * mf-hooks1.c: Add define if socklen_t
271 * mf-hooks2.c: Likewise.
272 * mf-hooks3.c: Likewise.
273 * config.h.in: Regen.
276 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
278 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
279 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
281 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
282 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
283 (unoptimized) allocation of stack space.
285 2003-12-07 Richard Henderson <rth@redhat.com>
287 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
288 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
290 2003-12-06 Andrew Pinski <apinski@apple.com>
292 partial PR libmudflap/12670
293 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
294 * mf-hooks2.c: Likewise.
295 * mf-hooks3.c: Likewise.
297 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
300 * mf-runtime.h.in: Switch to #pragma redefine_extname for
301 symbols interposed at compile time.
302 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
305 * mf-hooks2.c (semctl): Tolerate FreeBSD.
307 * configure.in: Reorganize check for <pthread.h>.
308 * configure: Regenerated.
310 2003-11-04 David Edelsohn <edelsohn@gnu.org>
312 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
313 (_LARGE_FILE_API): Define for AIX.
314 * mf-hooks[123]: Same.
315 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
317 2003-10-21 David Edelsohn <edelsohn@gnu.org>
319 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
321 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
323 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
325 * configure.in: Update check for union semun.
327 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
330 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
332 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
335 * configure.in: Add checks for 64-bit LFS functions, struct semun
336 definition, for BSD compatibility.
337 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
338 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
339 * mf-hooks3.c: Ditto.
340 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
342 * configure, config.h.in: Regenerated.
344 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
346 Multithreading fixes:
347 * mf-runtime.c (__mf_object): Store allocating/deallocating
349 (options): Support new "-thread-stack" option.
350 Rename "-heur-argv-environ" option to "-heur-stdlib".
351 Disable "-lc-mask" and "-lc-shift" options.
352 (__mf_dynamic): Add function pointers for pthread_join/_exit.
353 (__assert_fail): New self-contained function for glibc.
354 * mf-hooks3.c: Essentially rewritten, particularly related to
355 use of __mf_pthread_info array.
356 (pthread_join, _exit): New hook functions.
357 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
358 * testsuite/libmudflap.cth/pass40-frag.c: New test.
361 * mf-heuristics.c: Add type casts for tracing, sub calls.
362 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
363 Update all callers to declare explicit result holder.
364 (END_PROTECT): Removed.
365 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
367 2003-07-15 Diego Novillo <dnovillo@redhat.com>
369 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
370 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
371 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
373 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
375 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
377 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
378 Move these macros from old mf-hooks.c here.
379 * Makefile.am: Adapt to split-up hook sources for faster builds.
380 * Makefile.in: Regenerated.
382 * mf-heuristics.c: Remove #if-0 block.
384 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
385 (__mf_starting_p): New state only for use while dlsym bootstrapping.
386 (CALL_REAL, __mf_init): Corresponding changes.
387 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
388 all callers to remove redundant "mf:" prefix.
389 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
390 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
391 (__mf_pthread_info): Become a hash table.
393 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
394 "dg-repetitions" directives to control test case execution.
395 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
397 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
399 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
401 * mf-hooks.c (alloca): Separate into stub.
402 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
403 malloc/free for alloca blocks.
404 (pthread_create): Tolerate failing pthread_attr_get* calls.
405 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
406 * mf-impl.h (CALL_WRAP): Remove macro.
407 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
408 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
409 padding for ia64 BIT_FIELD_REF constructs.
411 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
413 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
414 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
415 libmudflap object type.
416 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
417 crashes on unregistering STATIC objects.
419 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
421 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
422 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
423 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
424 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
425 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
426 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
427 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
428 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
429 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
430 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
431 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
432 (accept, bind, connect, gethostname, sethostname): New hooks.
433 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
434 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
435 (semop, semctl, shmctl, shmat, shmdt): New hooks.
436 * mf-runtime.h.in: Corresponding changes.
437 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
438 (opts) Rename heur_argv_environ to heur_std_data.
439 (__mf_wrap_main): Use STATIC type for argv/environ strings.
440 * Makefile.am: Corresponding changes.
441 * Makefile.in: Regenerated.
443 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
445 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
446 heuristic for threaded case, and for non-x86-linux targets.
447 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
448 for use during pre-main() program startup.
449 (__mf_0fn_*): Make these functions non-static.
450 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
452 * mf-runtime.c (__mf_state): Set initial state to "starting".
453 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
454 (__wrap_main): New function to register argv[] and environ[] strings.
456 (*): In all trace functions, use "%p" as formatter for uintptr_t.
458 * testsuite/libmudflap.c/pass38-frag.c: New test case.
459 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
461 * acinclude.m4: Add comments with aoliva's concerns about x86_64
463 * aclocal.m4, configure: Regenerated.
465 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
467 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
468 * aclocal.m4, configure: Regenerated.
470 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
472 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
473 for x86_64 target. Disable caching for this value.
474 * aclocal.m4, configure: Regenerated.
476 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
478 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
479 is about to become deprecated, and its present handling bugs are
482 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
484 * testsuite/libmudflap.c/pass38-frag.c: New test for
487 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
489 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
490 __mf_report, asserting reentrant calling context.
492 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
494 * mf-hooks.c (realloc): Correct reentrancy logic.
495 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
497 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
499 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
500 PTHREAD_THREADS_MAX. Update users.
501 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
503 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
504 with libmudflapth presence indicator.
505 * testsuite/Makefile.in: Regenerated.
507 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
509 * Makefile.am (AM_CFLAGS): Remove "-ansi".
510 * configure.in: Remove silly no-pthreads => no-shared logic.
511 * Makefile.in, configure: Regenerated.
512 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
513 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
514 code. Count reentrancy events.
515 (all hook functions): Don't directly manipulate __mf_state variable.
516 Add TRACE calls to hook functions without them.
517 * mf-impl.h (LOCKTH): Try to count lock contention events.
518 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
519 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
520 Reorganize reentrancy code.
521 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
522 identify reentrancy with mutex holding times.
523 (internal __mfu_ entry points): Remove internal reentrancy code.
524 (__mf_init): Use ordinary locked calls.
525 (__mfu_report): Print the two new counts.
526 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
527 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
528 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
529 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
532 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
534 * configure.in: Add pthread support, plus glibc and porting hacks.
535 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
536 from objects built into ./pth/.
537 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
538 functions for internal entry points. Update callers to pick
539 locked vs. unlocked variants.
540 (__mf_resolve_single_dynamic): Extend to support symbol versioning
541 info coming in from a static data structure.
542 (*): Reorder miscellaneous declarations to group data vs functions.
543 (__mf_set_default_options): Simplify.
544 (__mf_usage): Mention threading status of host executable.
545 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
546 decls to match above.
547 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
548 * mf-heuristics.c: Choose between locked/unlocked calls. Add
549 some lock/unlock markers. Remove some unused code.
551 (pthread_create): New hook function.
552 (__mf_pthread_cleanup, _spawner): New helper functions.
553 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
555 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
557 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
559 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
561 * Makefile.am (HOOKOBJS): Add *time related hooks.
562 * configure.in: Look for pthreads.h header.
563 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
564 * mf-runtime.c: Begin sketching some pthreads support.
565 (__mf_usage): Check for -lpthread presence.
566 (__mf_unregister): Confirm matching unregistration base.
567 (__mf_find_objects_rec): Reduce unnecessary recursion.
568 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
569 #defines for new hook functions.
570 * mf-impl.h: Corresponding changes.
571 * config.h.in, configure, Makefile.in: Regenerated.
573 2002-04-27 Diego Novillo <dnovillo@redhat.com>
575 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
576 modifiers to prevent being optimized away.
577 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
578 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
579 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
580 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
581 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
582 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
583 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
585 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
587 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
588 * configure.in: Look for uintptr_t and -ldl on target.
589 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
590 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
591 * testsuite/Makefile.in: Regenerated.
592 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
593 for better C compliance.
595 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
597 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
599 * mf-runtime.c (__mf_set_default_options): Turn off
600 check-initialization.
601 (__mf_describe_object): Shorten description.
602 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
604 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
606 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
608 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
610 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
612 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
613 * mf-impl.h (CALL_BACKUP): New macros.
614 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
616 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
618 * Makefile.am (AM_CFLAGS): Remove optimization flags.
619 (HOOKOBJS): Remove dlopen hook.
620 (libmudflap_la_LIBADD): Add -ldl.
621 * mf-hooks.c (dlopen): Remove hook.
622 * mf-impl.h (__mf_dynamic): Ditto.
623 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
624 * Makefile.in: Regenerated.
626 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
628 * configure.in: Check for target gettimeofday, signal, some headers.
629 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
630 out inop multi_threaded field.
631 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
632 (__mf_set_options): Correct handling of "-help".
633 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
634 (__mf_check, __mf_register, __mf_unregister): Call it.
635 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
636 (__mf_report_leaks): Make callable
637 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
638 distribution statistics.
639 (__mf_adapt_cache): Rewrite shift guessing logic based on address
641 * config.h.in, configure: Regenerated.
642 * testsuite/libmudflap.c/fail27-frag.c: New test.
643 * testsuite/libmudflap.c/pass36-frag.c: New test.
645 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
647 * mf-runtime.h.in: Tweak.
648 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
649 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
650 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
652 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
654 * configure.in: Tweak generation of mf-runtime.h some more. It
655 needs to work from both config.status and configure.
656 * configure: Regenerated.
658 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
660 * Makefile.am: Reorganize hook file building. Add auto dependencies.
661 * configure.in: Tweak generation of mf-runtime.h.
662 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
663 * mf-hooks.c (*): Adapt to initialized-heap object type.
664 * mf-impl.h: Tweak cemetary boundaries.
665 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
667 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
668 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
669 * testsuite/lib/libmudflap.exp (includes): Include build tree.
670 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
672 * testsuite/.../fail{25,26}-frag.c: New tests.
673 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
674 * Makefile.in, configure: Regenerated.
676 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
678 * mf-runtime.c (__mf_set_default_options): Turn on initialization
680 (__mf_insert_new_object): As a temporary hack, assume that new
681 objects registered on the stack start out initialized.
682 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
683 heap objects by hand.
685 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
687 Switch to macro-style hooks for str*/mem*/b* functions.
688 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
689 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
690 * mf-runtime.c: #include config.h to enable glibc backtraces again.
691 (__mf_set_default_options): Turn off heur_proc_map.
692 (*): Adapt to to macro-style hook functions.
693 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
694 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
695 (__mf_violation): Handle __MF_VIOL_WATCH.
696 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
697 (__mf_dynamic): Removed mem*/str*/b* functions.
698 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
699 (WRAPPER2): New macro for macro-style hooks.
700 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
702 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
703 * mf-heuristics.c: Adapt to macro-style hook functions.
704 Correct some comments.
705 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
706 output pattern tests.
707 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
708 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
710 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
712 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
713 for global array registration.
714 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
715 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
717 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
719 * Makefile.am: Add gross make bug workarounds. Tweaked
720 SUBDIRS and AM_CFLAGS.
721 * Makefile.in: Regenerated.
723 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
726 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
727 * Makefile.am (TESTS): Remove simple automake testing.
728 * configure, Makefile.in: Regenerated.
729 (SUBDIRS): Include new testsuite/ directory.
730 * tests/*: Removed all files; moved bulk under:
731 * testsuite/*: New subdirectory tree.
732 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
733 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
734 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
735 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
736 * testsuite/config/default.exp: New file.
737 * testsuite/Makefile.am, Makefile.in: New files.
739 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
741 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
742 (TESTS): Add fail22 and pass29 tests.
743 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
744 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
745 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
746 values. Move __MF_VIOL* here.
747 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
748 (check_initialization): New field in __mf_opts. Default off.
749 (read_count,write_count): New fields in __mf_object.
750 (__mf_check): Implement basic initialization checking.
751 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
752 (__mf_describe_object): Print new fields.
753 (__mf_violation): Identify check/read vs. check/write in messages.
754 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
755 "-check-initialized" mudflap option.
756 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
757 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
758 Drop __FILE__/__LINE__ hack. Update callers.
759 (*): Adapt to new mf-runtime.h API.
760 * Makefile.in: regenerated.
762 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
764 * configure.in: Build mf-runtime.h a more proper way.
765 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
766 * mf-runtime.c (verbose_violations): Turn on by default.
767 * mf-runtime.h.in: Remove some miscellaneous stuff ...
768 * mf-impl.h: ... and move it here.
769 * configure: Regenerated.
771 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
773 * configure.in: Look for C++ compiler.
774 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
775 fixed type warnings when built with C++.
776 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
777 * Makefile.am (TESTS): Run them.
778 (*) Add new rules for building and running C++ tests.
779 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
780 * mf-runtime.h.in: Protect with extern "C".
781 * Makefile, configure: Regenerated.
783 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
785 Portability improvements.
786 * configure.in: Look for glibc backtrace headers/functions.
787 * mf-hooks.c: Don't include <execinfo.h> any more.
788 * mf-runtime.c (__mf_set_options): Call more stdlib functions
790 (__mf_backtrace): Provide alternate baby implementation in
792 * test/mf-driver.c: Portability tweaks.
793 * acinclude.m4: New file, containing top level libtool.m4.
794 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
796 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
798 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
800 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
802 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
804 (__mf_unregister): Implement stack/heap object wiping.
805 (__mf_set_options): Renamed from __mf_process_opts.
806 (__mf_uncache_object): Change arg type, correct callers.
807 * mf-impl.h: Corresponding changes.
808 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
809 * mf-runtime.h.in (__mf_set_options): Extend public API.
810 * test/pass26-frag.c: New test for stack wiping.
811 * Makefile.am (TESTS): Run it.
812 * Makefile.in: Regenerated.
814 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
816 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
817 * mf-runtime.c (__mf_object_t): Add watching_p field.
818 (__mf_watch_or_not): New function to implement
819 object watch flagging.
820 (__mf_watch, __mf_unwatch): New wrappers for above.
821 (__mf_check, __mf_describe_object): Handle objects with watching_p.
822 (__mf_count_violation): Enlarge array.
823 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
824 unlink object. Clear cache properly.
825 (__mf_unregister): Unlink object explicitly before uncaching.
826 * test/fail21-frag.c, pass25-frag.c: New tests.
827 * Makefile.in, aclocal.m4: Regenerated.
829 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
831 * test/fail20-frag.c: New test for NULL pointer dereferencing.
832 * Makefile.am (TESTS): Add it.
833 * test/pass-stratcliff.c: Add decls of stpcpy.
834 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
835 build tree from config.h and new file mf-runtime.h.in.
836 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
837 * Makefile.in, configure, config.h.in: Regenerated.
838 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
839 * mf-runtime.c (options, __mf_set_default_options): Support new
840 default "abbreviate" option.
841 (__mf_object.description_epoch): New field.
842 (__mf_describe_object): Conditionally abbreviate objects already
843 displayed in current epoch. Accept NULL input to increment epoch.
844 (__mf_fini, __mf_ini): Reset description epoch.
845 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
846 that NULL pointer slot in lookup cache is invalidated. Register a
847 NOACCESS region around NULL.
848 * mf-impl.h: Corresponding changes.
850 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
852 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
853 * Makefile.am: Run them. Install mf-runtime.h.
854 * Makefile.in: Regenerated.
855 * mf-hooks.c: Add some markers for more missing functions.
856 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
857 statistic to tune tune cache size (mask).
859 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
861 * test/pass23-frag.c: New test for bit_field_ref expressions.
862 * Makefile.am, Makefile.in: Add new test.
863 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
864 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
865 * mf-runtime.c (__mf_init): Register errno global.
866 (__mf_find_object): Removed function.
867 (__mf_check): Rewrite logic to support accesses across some
868 contiguous but distinctly registered objects.
869 (__mf_remove_old_object): Tolerate cache entries that span
872 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
874 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
875 * Makefile.am, Makefile.in: Run new tests.
876 * mf-hooks.c (alloca): Correct stack direction logic.
878 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
880 * mf-impl.h (adapt_cache): New option.
881 * mf-runtime.c (__mf_set_default_options): Set its default value.
882 Tweak the tree_aging parameter down.
883 (__mf_check): Maintain separate counter for cache-adaptation.
884 (__mf_tree_analyze): New function to collect object tree stats.
885 (__mf_adapt_cache): New function to automate cache parameters.
887 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
889 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
890 hypothetical #if-0'd argv/envp region registration.
891 * mf-runtime.c (__mf_init): Add kludged form of above.
892 (*) Add "heur_argv_environ" flag, default on, to govern this.
893 * mf-impl.h: Corresponding changes.
895 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
897 * test/fail18-frag.c: New test file for NOACCESS regions.
898 * Makefile.am (TESTS): Add new test.
899 * Makefile.in: Regenerated.
901 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
902 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
903 (optimize_object_tree): Remove unused mudflap_option.
904 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
905 support throughout. Use .._MAX_CEM for cemetary upper bound.
906 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
908 (__mf_object): Add new liveness field for use by tree aging.
909 (__mf_check): Trigger tree aging when needed.
910 (__mf_age_tree): New function to decay liveness field.
911 (__mf_find_objects_rec): Use liveness field to rotate tree.
912 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
913 (__mf_unregister): Ditto.
914 (__mf_register): Tweak duplicate-static message.
915 (__mf_violation: Tweak nearby-object counter printing.
917 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
919 * test/pass20-frag.c: New test file.
920 * Makefile.am (TESTS): Reorganize. Add pass20 test.
921 * Makefile.in: Regenerated.
923 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
924 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
925 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
926 entries to avoid repeat registration.
927 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
928 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
930 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
932 * Makefile.am: Create test sources with #include, not cat>>.
933 * Makefile.in: Regenerated.
934 * test/buildtest.sh: Removed.
935 * test/driver.c (abort_handler, main): Be quiet.
937 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
939 * test/pass18-frag.c, pass19-frag.c: New tests.
940 * Makefile.am (check): Run them. Rebuild test programs each time.
941 * Makefile.in: Regenerated.
943 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
945 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
946 overlapping object search.
947 (__mf_violation): Likewise for nearby objects.
948 Improve nearby-object listing.
951 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
952 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
954 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
957 * Makefile.am (AM_CFLAGS): New definition of needed settings.
958 (HOOKOBJS): Add alloca-hook.o.
959 * mf-hooks.c (alloca): New function to implement alloca in libiberty
961 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
962 (__mf_backtrace): Reimplement without using alloca.
963 * Makefile.in: Regenerated.
966 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
967 Correct signedness bugs in length-tracking variables.
968 * mf-impl.h: Make options unsigned.
969 (CALL_WRAP): New macro to parallel CALL_REAL().
970 (DECLARE): Remove erroneous ";" at end.
971 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
972 formatting specs with %08lx. Correct several compiler warnings.
974 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
976 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
978 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
980 libmudflap hook breakup:
981 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
983 (TESTS): Make dependent on libmudflap.
984 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
985 compiled from segments of mf-hooks.c.
986 * mf-hooks.c: Corresponding changes: wrap each function in
988 * Makefile.in: Regenerated.
990 Heuristics reorganization:
991 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
992 Remove these functions. Update callers.
993 (__mf_heuristic_check): Incorporate all the various heuristics.
994 Encode cacheability/retry judgement into trinary return value.
995 Separate start-end logic into a separate fallback heuristic. Only
996 register relevant /proc/self/map segments.
997 * mf-impl.h: Corresponding changes.
998 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
999 (__mf_init): Don't call __mf_init_heuristics.
1002 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1003 "-verbose-trace" to emit all tracing messages other than those of
1004 basic public api. Eliminate some duplicate/excessive messages.
1005 * mf-runtime.h: Corresponding changes.
1007 2002-08-27 Graydon Hoare <graydon@redhat.com>
1009 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1010 and __real when compiled with -DPIC.
1011 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1012 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1013 * Makefile.in: Regenerate.
1015 2002-08-26 Graydon Hoare <graydon@redhat.com>
1017 * mf-impl.h: New file, private implementation header.
1018 * mf-runtime.h: Reorganize a bit.
1019 (CLAMPSZ): Fix arithmetic.
1020 (__MF_CACHE_MISS_P): Fix arithmetic.
1021 * mf-runtime.c: Reorganize a bit.
1022 (__mf_dynamic): New structure.
1023 (resolve_single_dynamic): New function.
1024 (__mf_resolve_dynamics): New function.
1025 (__mf_init): Initialize dynamic wrappers.
1026 * mf-hooks.c: Macro-ize __real calls.
1027 Clamp various bits of arithmetic.
1028 Add explicit __mf_check call contexts.
1029 * Makefile.am: Add dependencies on mf-impl.h
1030 * Makefile.in: Regenerate.
1031 * configure.in: Comment out shared override.
1032 * configure: Regenerate.
1034 2002-08-22 Graydon Hoare <graydon@redhat.com>
1036 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1037 (__mf_check): Re-inialize and check heuristics before violation.
1038 (__mf_register): Permit updating pure-guess regions.
1039 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1040 (__wrap_dlopen): New wrapper function.
1041 (__wrap_mmap): New wrapper function.
1042 (__wrap_munmap): New wrapper function.
1043 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1044 which are not stack addresses.
1045 (is_stack_address): New function.
1046 (__mf_init_heuristics): Save and restore state, always initialize with
1049 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1051 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1052 error. Pass location string.
1053 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1054 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1055 (__mf_process_opts): Apply some sanity checking for lc-mask.
1056 (__mf_check, __mf_violation): Take new location-string argument.
1057 Update callers to pass NULL if necessary.
1058 (__mf_backtrace): New smart backtracer function. Calls replace
1059 several ad-hoc blocks elsewhere.
1060 (__mf_describe_object): Remove bad reentrancy test. Improve
1062 * mf-runtime.h: Corresponding changes. Public/private markup.
1063 (__MF_CACHE_MISS_P): New macro.
1065 2002-08-20 Graydon Hoare <graydon@redhat.com>
1067 * mf-runtime.h: New option: stack_bound (heuristic).
1068 Move some macros out of implementation files.
1069 * mf-runtime.c: New option string: -stack-bound.
1070 Unify recursion protection with hooks.
1072 (__mf_check): Call __mf_heuristic_check.
1073 (__mf_process_opts): Fix "no-" processing.
1074 * mf-heuristics.c (__mf_heuristic_check): New function.
1075 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1077 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1079 Option parsing improvements, region splitting bug fixes:
1080 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1081 * mf-runtime.h (heur_proc_map): New libmudflap option.
1082 * mf-runtime.c (__mf_set_default_options): Set it.
1083 (__mf_usage): Print default values/status.
1084 (__mf_process_opts): Support general "no-" option string prefix.
1085 (__mf_init): Print __mf_usage on unknown-option error.
1086 (__mf_register): Print trace message up front.
1087 Correct region splitting logic for case where a subregion disappears.
1088 Correct memory leak.
1089 (__mf_violation): Make even basic message conditional on option.
1092 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1093 (clean-local): New target.
1094 (test/*x rules): Add -g CFLAGS.
1095 (CFLAGS): Add -freorder-blocks.
1096 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1097 * Makefile.in: Regenerated.
1098 * Makefile, mf-config.h: Removed files.
1100 2002-08-16 Graydon Hoare <graydon@redhat.com>
1102 * mf-runtime.c (__mf_insert_new_object): Factor out of
1104 (__mf_remove_old_object): Factor out of __mf_unregister.
1105 (__mf_register): Handle guessed regions, splitting
1106 guesses when new registrations arrive.
1107 (__mf_unregister): Do not unregister guesses.
1108 * mf-runtime.h: Move convenience macros around,
1109 declare new option fields. Add __MF_TYPE_GUESS.
1110 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1111 (__wrap_free): Call __real_free for deferred frees.
1112 * Makefile.am: Add more tests, fix dependency.
1113 * Makefile.in: Regenerate.
1114 * test/pass[13..17]-frag.c: New testcases.
1115 * test/fail[13..17]-frag.c: New testcases.
1117 2002-08-15 Graydon Hoare <graydon@redhat.com>
1119 * mf-heuristics.c: New file.
1120 * mf-runtime.c (options): Add -trace-calls option.
1121 (__mf_init): Call __mf_init_heuristics.
1123 2002-08-14 Graydon Hoare <graydon@redhat.com>
1125 * Makefile.am (TESTS): Add testsuite support.
1126 * Makefile.in: Regenerate.
1127 * test/mf-driver.c: New file.
1128 * test/buildtest.sh: New file.
1129 * test/passNN-frag.c: New testcases.
1130 * test/failNN-frag.c: New testcases.
1132 2002-08-14 Graydon Hoare <graydon@redhat.com>
1134 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1135 verifying non-size-limited string extents.
1137 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1139 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1140 instead of plain str[n]len for internal checks.
1141 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1143 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1145 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1147 2002-08-13 Graydon Hoare <graydon@redhat.com>
1149 * mf-runtime.c: Rework configuration to operate on
1150 environment variable options rather than #defines
1151 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1152 (__mf_init): Set static __mf_active_p flag on startup,
1153 to inhibit mudflap wrap-based checking during crt0.s.
1154 * mf-runtime.h: Declare options structure.
1155 * mf-hooks.c: New wrappings for mem*, b*, str*
1156 libc functions (temporarily #if 0-ed out).
1158 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1160 * Makefile.am, configure.in: New files.
1161 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1162 * stamp-h.in, aclocal.m4: Ditto.
1164 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1166 * Makefile: New file.
1167 * mf-config.h: New file: runtime configuration.
1168 * mf-hooks.c: New file: interposed libc functions.
1169 * mf-runtime.c: New file: bulk of runtime.
1170 * mf-runtime.h: New file: public functions.