1 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
4 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
7 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
9 Test case for g++/15861
10 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
11 * testsuite/libmudflap.c++/ctors.exp: Driver.
12 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
13 Look only for *frag* test cases.
15 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
17 ANSI C conversion, libmudflap specialization, recursion limiting.
18 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
19 argument and indirection function pointers, update callers.
20 (splay_tree_s): Add statistics and recursion control fields
21 num_keys, max_depth, depth, rebalance_p.
22 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
23 Back out of search if it exceeds limit.
24 (splay_tree_splay): Manage recursion limiting with rebalancing as
26 (splay_tree_new): More initialization.
27 (splay_tree_rebalance): New function.
28 (splay_tree_foreach): Rewrite using nonrecursive logic.
29 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
30 Remove. Point indirect calls to mf-runtime.c's routines.
31 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
33 (splay_tree_delete, splay_tree_delete_helper): Ditto.
34 * testsuite/heap-scalestress.c: New test based on one from
35 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
37 2004-07-05 Matthias Klose <doko@debian.org>
39 * libtool-version: New.
40 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
41 Use -version-info for soname.
42 * Makefile.in: Regenerate.
43 * configure.ac: Remove libtool_VERSION macro
44 * configure: Regenerate
46 2004-07-05 Zack Weinberg <zack@codesourcery.com>
48 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
49 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
52 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
54 Splay tree implementation fork.
55 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
56 Use hard-coded comparison function for uintptr_t. Remove key/value
57 deallocation logic. Cache last splayed key for consecutive lookups.
58 * Makefile.am, Makefile.in: Use them, don't link to them.
59 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
60 (__mf_find_objects2): Flip successor/predecessor search sequence.
61 * ansidecl.h, libiberty.h: Removed dummy files.
63 2004-06-29 Nick Clifton <nickc@redhat.com>
65 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
66 * configure: Regenerate.
67 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
69 Remove spurious inclusion of <strings.h>.
71 2004-06-29 Nick Clifton <nickc@redhat.com>
73 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
74 function actually exists.
76 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
78 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
79 * config.h.in: Regenerated.
81 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
83 Adopt splay trees for object database.
84 * Makefile.am: Copy splay-tree.* from libiberty.
85 * Makefile.in, testsuite/Makefile.in: Regenerated.
86 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
87 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
88 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
89 * mf-runtime.c: Rewrite code dealing with object database to use
90 libiberty splay trees. Remove tree liveness aging option.
91 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
93 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
95 * configure.ac: New name of configure.in. Update
96 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
97 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
98 Autoconf 2.5x and Automake 1.7 or later.
99 * configure.in: Remove.
100 * configure: Regenerate.
102 * Makefile.am: Remove useless multilib rules.
103 * Makefile.in: Regenerate.
105 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
107 * .cvsignore: New file.
109 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
112 * mf-hooks2.c (semctl): Add cygwin porting hack.
114 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
117 * configure.in: Look for ctype header and glibc implementation.
118 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
119 array hooks for glibc 2.3.
120 * mf-runtime.h.in: Wrap them.
121 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
123 * testsuite/libmudflap.c/pass47-frag.c: New test.
124 * configure, config.h.in: Regenerated.
126 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
128 Portability improvements, e.g., libmudflap/15293.
129 * configure.in: Look for glibc extension functions. Look for
130 support of -f{function,data}-sections. Look for more headers.
131 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
132 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
133 mf-hooks* into usual single object per source.
134 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
135 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
136 if system doesn't provide one.
137 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
138 (pthread_create): Use it to properly GC dead thread stacks.
139 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
140 * testsuite/Makefile.am: Stop generating site.exp.
141 * testsuite/mfconfig.exp.in: New file.
142 * testsuite/config/default.exp: Load new mfconfig.exp.
143 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
144 (prune_gcc_output): Add glibc static linking warnings.
145 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
146 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
147 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
148 Regenerated with autoconf 2.57 and automake 1.7.
150 2004-06-04 Per Bothner <per@bothner.com>
152 * configure.in (LIBMUDFLAPTH): Fix thinko.
154 * configure.in: Check for more headers.
155 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
157 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
158 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
160 2004-06-01 Andreas Jaeger <aj@suse.de>
162 * configure.in: Handle multilibs, support
163 --enable-version-specific-runtime-libs.
164 * Makefile.am (lib_LTLIBRARIES): Rename to ...
165 (toolexeclib_LTLIBRARIES): this for multilib support.
166 * Makefile.in: Regenerated.
167 * configure: Regenerated.
168 * aclocal.m4: Regenerated.
169 * config.h.in: Regenerated.
170 * testsuite/Makefile.in: Regenerated.
172 2004-06-01 Andreas Jaeger <aj@suse.de>
174 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
175 multilibs, using multilib directory instead of hardcoded path.
178 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
180 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
181 * Makefile.in: Ditto.
183 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
185 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
186 * aclocal.m4, configure: Rebuilt.
188 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
190 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
191 import some build settings from libstdc++-v3 testsuite_flags.
192 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
193 changes to pass test language.
195 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
196 quicker mode-nop handling.
198 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
200 * mf-impl.h: Added libgcc license header.
202 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
204 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
205 Added libgcc license header.
206 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
207 (pthread_create): Simplify stack allocation syntax.
209 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
211 * mf-hooks2.c: Support FreeBSD.
212 (WRAP_gets): Avoid gets().
213 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
214 test unimplemented mem/str calls on FreeBSD.
215 * testsuite/libmudflap.c/pass21-frag.c: Do not include
216 <alloca.h> on FreeBSD.
218 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
220 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
221 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
222 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
223 flags for static linking permutation.
224 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
225 some pthreads code that croaks on linux glibc tls.
227 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
229 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
231 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
233 * testsuite/libmudflap.c/pass44-frag.c: New test.
235 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
237 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
239 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
241 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
243 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
245 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
247 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
250 * configure.in: Add check for see if
251 socklen_t typedef is in sys/socket.h.
252 * mf-hooks1.c: Add define if socklen_t
254 * mf-hooks2.c: Likewise.
255 * mf-hooks3.c: Likewise.
256 * config.h.in: Regen.
259 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
261 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
262 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
264 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
265 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
266 (unoptimized) allocation of stack space.
268 2003-12-07 Richard Henderson <rth@redhat.com>
270 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
271 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
273 2003-12-06 Andrew Pinski <apinski@apple.com>
275 partial PR libmudflap/12670
276 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
277 * mf-hooks2.c: Likewise.
278 * mf-hooks3.c: Likewise.
280 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
283 * mf-runtime.h.in: Switch to #pragma redefine_extname for
284 symbols interposed at compile time.
285 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
288 * mf-hooks2.c (semctl): Tolerate FreeBSD.
290 * configure.in: Reorganize check for <pthread.h>.
291 * configure: Regenerated.
293 2003-11-04 David Edelsohn <edelsohn@gnu.org>
295 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
296 (_LARGE_FILE_API): Define for AIX.
297 * mf-hooks[123]: Same.
298 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
300 2003-10-21 David Edelsohn <edelsohn@gnu.org>
302 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
304 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
306 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
308 * configure.in: Update check for union semun.
310 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
313 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
315 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
318 * configure.in: Add checks for 64-bit LFS functions, struct semun
319 definition, for BSD compatibility.
320 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
321 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
322 * mf-hooks3.c: Ditto.
323 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
325 * configure, config.h.in: Regenerated.
327 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
329 Multithreading fixes:
330 * mf-runtime.c (__mf_object): Store allocating/deallocating
332 (options): Support new "-thread-stack" option.
333 Rename "-heur-argv-environ" option to "-heur-stdlib".
334 Disable "-lc-mask" and "-lc-shift" options.
335 (__mf_dynamic): Add function pointers for pthread_join/_exit.
336 (__assert_fail): New self-contained function for glibc.
337 * mf-hooks3.c: Essentially rewritten, particularly related to
338 use of __mf_pthread_info array.
339 (pthread_join, _exit): New hook functions.
340 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
341 * testsuite/libmudflap.cth/pass40-frag.c: New test.
344 * mf-heuristics.c: Add type casts for tracing, sub calls.
345 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
346 Update all callers to declare explicit result holder.
347 (END_PROTECT): Removed.
348 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
350 2003-07-15 Diego Novillo <dnovillo@redhat.com>
352 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
353 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
354 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
356 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
358 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
360 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
361 Move these macros from old mf-hooks.c here.
362 * Makefile.am: Adapt to split-up hook sources for faster builds.
363 * Makefile.in: Regenerated.
365 * mf-heuristics.c: Remove #if-0 block.
367 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
368 (__mf_starting_p): New state only for use while dlsym bootstrapping.
369 (CALL_REAL, __mf_init): Corresponding changes.
370 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
371 all callers to remove redundant "mf:" prefix.
372 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
373 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
374 (__mf_pthread_info): Become a hash table.
376 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
377 "dg-repetitions" directives to control test case execution.
378 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
380 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
382 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
384 * mf-hooks.c (alloca): Separate into stub.
385 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
386 malloc/free for alloca blocks.
387 (pthread_create): Tolerate failing pthread_attr_get* calls.
388 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
389 * mf-impl.h (CALL_WRAP): Remove macro.
390 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
391 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
392 padding for ia64 BIT_FIELD_REF constructs.
394 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
396 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
397 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
398 libmudflap object type.
399 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
400 crashes on unregistering STATIC objects.
402 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
404 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
405 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
406 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
407 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
408 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
409 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
410 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
411 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
412 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
413 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
414 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
415 (accept, bind, connect, gethostname, sethostname): New hooks.
416 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
417 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
418 (semop, semctl, shmctl, shmat, shmdt): New hooks.
419 * mf-runtime.h.in: Corresponding changes.
420 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
421 (opts) Rename heur_argv_environ to heur_std_data.
422 (__mf_wrap_main): Use STATIC type for argv/environ strings.
423 * Makefile.am: Corresponding changes.
424 * Makefile.in: Regenerated.
426 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
428 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
429 heuristic for threaded case, and for non-x86-linux targets.
430 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
431 for use during pre-main() program startup.
432 (__mf_0fn_*): Make these functions non-static.
433 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
435 * mf-runtime.c (__mf_state): Set initial state to "starting".
436 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
437 (__wrap_main): New function to register argv[] and environ[] strings.
439 (*): In all trace functions, use "%p" as formatter for uintptr_t.
441 * testsuite/libmudflap.c/pass38-frag.c: New test case.
442 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
444 * acinclude.m4: Add comments with aoliva's concerns about x86_64
446 * aclocal.m4, configure: Regenerated.
448 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
450 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
451 * aclocal.m4, configure: Regenerated.
453 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
455 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
456 for x86_64 target. Disable caching for this value.
457 * aclocal.m4, configure: Regenerated.
459 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
461 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
462 is about to become deprecated, and its present handling bugs are
465 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
467 * testsuite/libmudflap.c/pass38-frag.c: New test for
470 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
472 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
473 __mf_report, asserting reentrant calling context.
475 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
477 * mf-hooks.c (realloc): Correct reentrancy logic.
478 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
480 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
482 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
483 PTHREAD_THREADS_MAX. Update users.
484 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
486 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
487 with libmudflapth presence indicator.
488 * testsuite/Makefile.in: Regenerated.
490 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
492 * Makefile.am (AM_CFLAGS): Remove "-ansi".
493 * configure.in: Remove silly no-pthreads => no-shared logic.
494 * Makefile.in, configure: Regenerated.
495 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
496 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
497 code. Count reentrancy events.
498 (all hook functions): Don't directly manipulate __mf_state variable.
499 Add TRACE calls to hook functions without them.
500 * mf-impl.h (LOCKTH): Try to count lock contention events.
501 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
502 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
503 Reorganize reentrancy code.
504 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
505 identify reentrancy with mutex holding times.
506 (internal __mfu_ entry points): Remove internal reentrancy code.
507 (__mf_init): Use ordinary locked calls.
508 (__mfu_report): Print the two new counts.
509 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
510 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
511 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
512 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
515 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
517 * configure.in: Add pthread support, plus glibc and porting hacks.
518 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
519 from objects built into ./pth/.
520 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
521 functions for internal entry points. Update callers to pick
522 locked vs. unlocked variants.
523 (__mf_resolve_single_dynamic): Extend to support symbol versioning
524 info coming in from a static data structure.
525 (*): Reorder miscellaneous declarations to group data vs functions.
526 (__mf_set_default_options): Simplify.
527 (__mf_usage): Mention threading status of host executable.
528 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
529 decls to match above.
530 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
531 * mf-heuristics.c: Choose between locked/unlocked calls. Add
532 some lock/unlock markers. Remove some unused code.
534 (pthread_create): New hook function.
535 (__mf_pthread_cleanup, _spawner): New helper functions.
536 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
538 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
540 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
542 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
544 * Makefile.am (HOOKOBJS): Add *time related hooks.
545 * configure.in: Look for pthreads.h header.
546 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
547 * mf-runtime.c: Begin sketching some pthreads support.
548 (__mf_usage): Check for -lpthread presence.
549 (__mf_unregister): Confirm matching unregistration base.
550 (__mf_find_objects_rec): Reduce unnecessary recursion.
551 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
552 #defines for new hook functions.
553 * mf-impl.h: Corresponding changes.
554 * config.h.in, configure, Makefile.in: Regenerated.
556 2002-04-27 Diego Novillo <dnovillo@redhat.com>
558 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
559 modifiers to prevent being optimized away.
560 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
561 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
562 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
563 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
564 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
565 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
566 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
568 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
570 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
571 * configure.in: Look for uintptr_t and -ldl on target.
572 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
573 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
574 * testsuite/Makefile.in: Regenerated.
575 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
576 for better C compliance.
578 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
580 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
582 * mf-runtime.c (__mf_set_default_options): Turn off
583 check-initialization.
584 (__mf_describe_object): Shorten description.
585 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
587 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
589 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
591 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
593 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
595 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
596 * mf-impl.h (CALL_BACKUP): New macros.
597 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
599 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
601 * Makefile.am (AM_CFLAGS): Remove optimization flags.
602 (HOOKOBJS): Remove dlopen hook.
603 (libmudflap_la_LIBADD): Add -ldl.
604 * mf-hooks.c (dlopen): Remove hook.
605 * mf-impl.h (__mf_dynamic): Ditto.
606 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
607 * Makefile.in: Regenerated.
609 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
611 * configure.in: Check for target gettimeofday, signal, some headers.
612 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
613 out inop multi_threaded field.
614 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
615 (__mf_set_options): Correct handling of "-help".
616 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
617 (__mf_check, __mf_register, __mf_unregister): Call it.
618 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
619 (__mf_report_leaks): Make callable
620 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
621 distribution statistics.
622 (__mf_adapt_cache): Rewrite shift guessing logic based on address
624 * config.h.in, configure: Regenerated.
625 * testsuite/libmudflap.c/fail27-frag.c: New test.
626 * testsuite/libmudflap.c/pass36-frag.c: New test.
628 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
630 * mf-runtime.h.in: Tweak.
631 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
632 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
633 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
635 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
637 * configure.in: Tweak generation of mf-runtime.h some more. It
638 needs to work from both config.status and configure.
639 * configure: Regenerated.
641 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
643 * Makefile.am: Reorganize hook file building. Add auto dependencies.
644 * configure.in: Tweak generation of mf-runtime.h.
645 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
646 * mf-hooks.c (*): Adapt to initialized-heap object type.
647 * mf-impl.h: Tweak cemetary boundaries.
648 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
650 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
651 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
652 * testsuite/lib/libmudflap.exp (includes): Include build tree.
653 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
655 * testsuite/.../fail{25,26}-frag.c: New tests.
656 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
657 * Makefile.in, configure: Regenerated.
659 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
661 * mf-runtime.c (__mf_set_default_options): Turn on initialization
663 (__mf_insert_new_object): As a temporary hack, assume that new
664 objects registered on the stack start out initialized.
665 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
666 heap objects by hand.
668 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
670 Switch to macro-style hooks for str*/mem*/b* functions.
671 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
672 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
673 * mf-runtime.c: #include config.h to enable glibc backtraces again.
674 (__mf_set_default_options): Turn off heur_proc_map.
675 (*): Adapt to to macro-style hook functions.
676 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
677 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
678 (__mf_violation): Handle __MF_VIOL_WATCH.
679 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
680 (__mf_dynamic): Removed mem*/str*/b* functions.
681 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
682 (WRAPPER2): New macro for macro-style hooks.
683 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
685 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
686 * mf-heuristics.c: Adapt to macro-style hook functions.
687 Correct some comments.
688 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
689 output pattern tests.
690 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
691 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
693 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
695 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
696 for global array registration.
697 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
698 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
700 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
702 * Makefile.am: Add gross make bug workarounds. Tweaked
703 SUBDIRS and AM_CFLAGS.
704 * Makefile.in: Regenerated.
706 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
709 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
710 * Makefile.am (TESTS): Remove simple automake testing.
711 * configure, Makefile.in: Regenerated.
712 (SUBDIRS): Include new testsuite/ directory.
713 * tests/*: Removed all files; moved bulk under:
714 * testsuite/*: New subdirectory tree.
715 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
716 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
717 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
718 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
719 * testsuite/config/default.exp: New file.
720 * testsuite/Makefile.am, Makefile.in: New files.
722 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
724 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
725 (TESTS): Add fail22 and pass29 tests.
726 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
727 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
728 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
729 values. Move __MF_VIOL* here.
730 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
731 (check_initialization): New field in __mf_opts. Default off.
732 (read_count,write_count): New fields in __mf_object.
733 (__mf_check): Implement basic initialization checking.
734 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
735 (__mf_describe_object): Print new fields.
736 (__mf_violation): Identify check/read vs. check/write in messages.
737 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
738 "-check-initialized" mudflap option.
739 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
740 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
741 Drop __FILE__/__LINE__ hack. Update callers.
742 (*): Adapt to new mf-runtime.h API.
743 * Makefile.in: regenerated.
745 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
747 * configure.in: Build mf-runtime.h a more proper way.
748 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
749 * mf-runtime.c (verbose_violations): Turn on by default.
750 * mf-runtime.h.in: Remove some miscellaneous stuff ...
751 * mf-impl.h: ... and move it here.
752 * configure: Regenerated.
754 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
756 * configure.in: Look for C++ compiler.
757 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
758 fixed type warnings when built with C++.
759 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
760 * Makefile.am (TESTS): Run them.
761 (*) Add new rules for building and running C++ tests.
762 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
763 * mf-runtime.h.in: Protect with extern "C".
764 * Makefile, configure: Regenerated.
766 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
768 Portability improvements.
769 * configure.in: Look for glibc backtrace headers/functions.
770 * mf-hooks.c: Don't include <execinfo.h> any more.
771 * mf-runtime.c (__mf_set_options): Call more stdlib functions
773 (__mf_backtrace): Provide alternate baby implementation in
775 * test/mf-driver.c: Portability tweaks.
776 * acinclude.m4: New file, containing top level libtool.m4.
777 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
779 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
781 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
783 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
785 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
787 (__mf_unregister): Implement stack/heap object wiping.
788 (__mf_set_options): Renamed from __mf_process_opts.
789 (__mf_uncache_object): Change arg type, correct callers.
790 * mf-impl.h: Corresponding changes.
791 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
792 * mf-runtime.h.in (__mf_set_options): Extend public API.
793 * test/pass26-frag.c: New test for stack wiping.
794 * Makefile.am (TESTS): Run it.
795 * Makefile.in: Regenerated.
797 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
799 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
800 * mf-runtime.c (__mf_object_t): Add watching_p field.
801 (__mf_watch_or_not): New function to implement
802 object watch flagging.
803 (__mf_watch, __mf_unwatch): New wrappers for above.
804 (__mf_check, __mf_describe_object): Handle objects with watching_p.
805 (__mf_count_violation): Enlarge array.
806 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
807 unlink object. Clear cache properly.
808 (__mf_unregister): Unlink object explicitly before uncaching.
809 * test/fail21-frag.c, pass25-frag.c: New tests.
810 * Makefile.in, aclocal.m4: Regenerated.
812 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
814 * test/fail20-frag.c: New test for NULL pointer dereferencing.
815 * Makefile.am (TESTS): Add it.
816 * test/pass-stratcliff.c: Add decls of stpcpy.
817 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
818 build tree from config.h and new file mf-runtime.h.in.
819 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
820 * Makefile.in, configure, config.h.in: Regenerated.
821 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
822 * mf-runtime.c (options, __mf_set_default_options): Support new
823 default "abbreviate" option.
824 (__mf_object.description_epoch): New field.
825 (__mf_describe_object): Conditionally abbreviate objects already
826 displayed in current epoch. Accept NULL input to increment epoch.
827 (__mf_fini, __mf_ini): Reset description epoch.
828 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
829 that NULL pointer slot in lookup cache is invalidated. Register a
830 NOACCESS region around NULL.
831 * mf-impl.h: Corresponding changes.
833 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
835 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
836 * Makefile.am: Run them. Install mf-runtime.h.
837 * Makefile.in: Regenerated.
838 * mf-hooks.c: Add some markers for more missing functions.
839 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
840 statistic to tune tune cache size (mask).
842 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
844 * test/pass23-frag.c: New test for bit_field_ref expressions.
845 * Makefile.am, Makefile.in: Add new test.
846 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
847 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
848 * mf-runtime.c (__mf_init): Register errno global.
849 (__mf_find_object): Removed function.
850 (__mf_check): Rewrite logic to support accesses across some
851 contiguous but distinctly registered objects.
852 (__mf_remove_old_object): Tolerate cache entries that span
855 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
857 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
858 * Makefile.am, Makefile.in: Run new tests.
859 * mf-hooks.c (alloca): Correct stack direction logic.
861 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
863 * mf-impl.h (adapt_cache): New option.
864 * mf-runtime.c (__mf_set_default_options): Set its default value.
865 Tweak the tree_aging parameter down.
866 (__mf_check): Maintain separate counter for cache-adaptation.
867 (__mf_tree_analyze): New function to collect object tree stats.
868 (__mf_adapt_cache): New function to automate cache parameters.
870 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
872 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
873 hypothetical #if-0'd argv/envp region registration.
874 * mf-runtime.c (__mf_init): Add kludged form of above.
875 (*) Add "heur_argv_environ" flag, default on, to govern this.
876 * mf-impl.h: Corresponding changes.
878 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
880 * test/fail18-frag.c: New test file for NOACCESS regions.
881 * Makefile.am (TESTS): Add new test.
882 * Makefile.in: Regenerated.
884 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
885 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
886 (optimize_object_tree): Remove unused mudflap_option.
887 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
888 support throughout. Use .._MAX_CEM for cemetary upper bound.
889 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
891 (__mf_object): Add new liveness field for use by tree aging.
892 (__mf_check): Trigger tree aging when needed.
893 (__mf_age_tree): New function to decay liveness field.
894 (__mf_find_objects_rec): Use liveness field to rotate tree.
895 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
896 (__mf_unregister): Ditto.
897 (__mf_register): Tweak duplicate-static message.
898 (__mf_violation: Tweak nearby-object counter printing.
900 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
902 * test/pass20-frag.c: New test file.
903 * Makefile.am (TESTS): Reorganize. Add pass20 test.
904 * Makefile.in: Regenerated.
906 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
907 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
908 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
909 entries to avoid repeat registration.
910 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
911 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
913 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
915 * Makefile.am: Create test sources with #include, not cat>>.
916 * Makefile.in: Regenerated.
917 * test/buildtest.sh: Removed.
918 * test/driver.c (abort_handler, main): Be quiet.
920 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
922 * test/pass18-frag.c, pass19-frag.c: New tests.
923 * Makefile.am (check): Run them. Rebuild test programs each time.
924 * Makefile.in: Regenerated.
926 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
928 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
929 overlapping object search.
930 (__mf_violation): Likewise for nearby objects.
931 Improve nearby-object listing.
934 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
935 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
937 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
940 * Makefile.am (AM_CFLAGS): New definition of needed settings.
941 (HOOKOBJS): Add alloca-hook.o.
942 * mf-hooks.c (alloca): New function to implement alloca in libiberty
944 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
945 (__mf_backtrace): Reimplement without using alloca.
946 * Makefile.in: Regenerated.
949 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
950 Correct signedness bugs in length-tracking variables.
951 * mf-impl.h: Make options unsigned.
952 (CALL_WRAP): New macro to parallel CALL_REAL().
953 (DECLARE): Remove erroneous ";" at end.
954 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
955 formatting specs with %08lx. Correct several compiler warnings.
957 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
959 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
961 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
963 libmudflap hook breakup:
964 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
966 (TESTS): Make dependent on libmudflap.
967 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
968 compiled from segments of mf-hooks.c.
969 * mf-hooks.c: Corresponding changes: wrap each function in
971 * Makefile.in: Regenerated.
973 Heuristics reorganization:
974 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
975 Remove these functions. Update callers.
976 (__mf_heuristic_check): Incorporate all the various heuristics.
977 Encode cacheability/retry judgement into trinary return value.
978 Separate start-end logic into a separate fallback heuristic. Only
979 register relevant /proc/self/map segments.
980 * mf-impl.h: Corresponding changes.
981 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
982 (__mf_init): Don't call __mf_init_heuristics.
985 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
986 "-verbose-trace" to emit all tracing messages other than those of
987 basic public api. Eliminate some duplicate/excessive messages.
988 * mf-runtime.h: Corresponding changes.
990 2002-08-27 Graydon Hoare <graydon@redhat.com>
992 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
993 and __real when compiled with -DPIC.
994 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
995 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
996 * Makefile.in: Regenerate.
998 2002-08-26 Graydon Hoare <graydon@redhat.com>
1000 * mf-impl.h: New file, private implementation header.
1001 * mf-runtime.h: Reorganize a bit.
1002 (CLAMPSZ): Fix arithmetic.
1003 (__MF_CACHE_MISS_P): Fix arithmetic.
1004 * mf-runtime.c: Reorganize a bit.
1005 (__mf_dynamic): New structure.
1006 (resolve_single_dynamic): New function.
1007 (__mf_resolve_dynamics): New function.
1008 (__mf_init): Initialize dynamic wrappers.
1009 * mf-hooks.c: Macro-ize __real calls.
1010 Clamp various bits of arithmetic.
1011 Add explicit __mf_check call contexts.
1012 * Makefile.am: Add dependencies on mf-impl.h
1013 * Makefile.in: Regenerate.
1014 * configure.in: Comment out shared override.
1015 * configure: Regenerate.
1017 2002-08-22 Graydon Hoare <graydon@redhat.com>
1019 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1020 (__mf_check): Re-inialize and check heuristics before violation.
1021 (__mf_register): Permit updating pure-guess regions.
1022 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1023 (__wrap_dlopen): New wrapper function.
1024 (__wrap_mmap): New wrapper function.
1025 (__wrap_munmap): New wrapper function.
1026 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1027 which are not stack addresses.
1028 (is_stack_address): New function.
1029 (__mf_init_heuristics): Save and restore state, always initialize with
1032 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1034 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1035 error. Pass location string.
1036 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1037 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1038 (__mf_process_opts): Apply some sanity checking for lc-mask.
1039 (__mf_check, __mf_violation): Take new location-string argument.
1040 Update callers to pass NULL if necessary.
1041 (__mf_backtrace): New smart backtracer function. Calls replace
1042 several ad-hoc blocks elsewhere.
1043 (__mf_describe_object): Remove bad reentrancy test. Improve
1045 * mf-runtime.h: Corresponding changes. Public/private markup.
1046 (__MF_CACHE_MISS_P): New macro.
1048 2002-08-20 Graydon Hoare <graydon@redhat.com>
1050 * mf-runtime.h: New option: stack_bound (heuristic).
1051 Move some macros out of implementation files.
1052 * mf-runtime.c: New option string: -stack-bound.
1053 Unify recursion protection with hooks.
1055 (__mf_check): Call __mf_heuristic_check.
1056 (__mf_process_opts): Fix "no-" processing.
1057 * mf-heuristics.c (__mf_heuristic_check): New function.
1058 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1060 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1062 Option parsing improvements, region splitting bug fixes:
1063 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1064 * mf-runtime.h (heur_proc_map): New libmudflap option.
1065 * mf-runtime.c (__mf_set_default_options): Set it.
1066 (__mf_usage): Print default values/status.
1067 (__mf_process_opts): Support general "no-" option string prefix.
1068 (__mf_init): Print __mf_usage on unknown-option error.
1069 (__mf_register): Print trace message up front.
1070 Correct region splitting logic for case where a subregion disappears.
1071 Correct memory leak.
1072 (__mf_violation): Make even basic message conditional on option.
1075 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1076 (clean-local): New target.
1077 (test/*x rules): Add -g CFLAGS.
1078 (CFLAGS): Add -freorder-blocks.
1079 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1080 * Makefile.in: Regenerated.
1081 * Makefile, mf-config.h: Removed files.
1083 2002-08-16 Graydon Hoare <graydon@redhat.com>
1085 * mf-runtime.c (__mf_insert_new_object): Factor out of
1087 (__mf_remove_old_object): Factor out of __mf_unregister.
1088 (__mf_register): Handle guessed regions, splitting
1089 guesses when new registrations arrive.
1090 (__mf_unregister): Do not unregister guesses.
1091 * mf-runtime.h: Move convenience macros around,
1092 declare new option fields. Add __MF_TYPE_GUESS.
1093 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1094 (__wrap_free): Call __real_free for deferred frees.
1095 * Makefile.am: Add more tests, fix dependency.
1096 * Makefile.in: Regenerate.
1097 * test/pass[13..17]-frag.c: New testcases.
1098 * test/fail[13..17]-frag.c: New testcases.
1100 2002-08-15 Graydon Hoare <graydon@redhat.com>
1102 * mf-heuristics.c: New file.
1103 * mf-runtime.c (options): Add -trace-calls option.
1104 (__mf_init): Call __mf_init_heuristics.
1106 2002-08-14 Graydon Hoare <graydon@redhat.com>
1108 * Makefile.am (TESTS): Add testsuite support.
1109 * Makefile.in: Regenerate.
1110 * test/mf-driver.c: New file.
1111 * test/buildtest.sh: New file.
1112 * test/passNN-frag.c: New testcases.
1113 * test/failNN-frag.c: New testcases.
1115 2002-08-14 Graydon Hoare <graydon@redhat.com>
1117 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1118 verifying non-size-limited string extents.
1120 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1122 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1123 instead of plain str[n]len for internal checks.
1124 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1126 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1128 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1130 2002-08-13 Graydon Hoare <graydon@redhat.com>
1132 * mf-runtime.c: Rework configuration to operate on
1133 environment variable options rather than #defines
1134 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1135 (__mf_init): Set static __mf_active_p flag on startup,
1136 to inhibit mudflap wrap-based checking during crt0.s.
1137 * mf-runtime.h: Declare options structure.
1138 * mf-hooks.c: New wrappings for mem*, b*, str*
1139 libc functions (temporarily #if 0-ed out).
1141 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1143 * Makefile.am, configure.in: New files.
1144 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1145 * stamp-h.in, aclocal.m4: Ditto.
1147 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1149 * Makefile: New file.
1150 * mf-config.h: New file: runtime configuration.
1151 * mf-hooks.c: New file: interposed libc functions.
1152 * mf-runtime.c: New file: bulk of runtime.
1153 * mf-runtime.h: New file: public functions.