1 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
3 Test case for g++/15861
4 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
5 * testsuite/libmudflap.c++/ctors.exp: Driver.
6 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
7 Look only for *frag* test cases.
9 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
11 ANSI C conversion, libmudflap specialization, recursion limiting.
12 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
13 argument and indirection function pointers, update callers.
14 (splay_tree_s): Add statistics and recursion control fields
15 num_keys, max_depth, depth, rebalance_p.
16 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
17 Back out of search if it exceeds limit.
18 (splay_tree_splay): Manage recursion limiting with rebalancing as
20 (splay_tree_new): More initialization.
21 (splay_tree_rebalance): New function.
22 (splay_tree_foreach): Rewrite using nonrecursive logic.
23 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
24 Remove. Point indirect calls to mf-runtime.c's routines.
25 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
27 (splay_tree_delete, splay_tree_delete_helper): Ditto.
28 * testsuite/heap-scalestress.c: New test based on one from
29 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
31 2004-07-05 Matthias Klose <doko@debian.org>
33 * libtool-version: New.
34 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
35 Use -version-info for soname.
36 * Makefile.in: Regenerate.
37 * configure.ac: Remove libtool_VERSION macro
38 * configure: Regenerate
40 2004-07-05 Zack Weinberg <zack@codesourcery.com>
42 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
43 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
46 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
48 Splay tree implementation fork.
49 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
50 Use hard-coded comparison function for uintptr_t. Remove key/value
51 deallocation logic. Cache last splayed key for consecutive lookups.
52 * Makefile.am, Makefile.in: Use them, don't link to them.
53 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
54 (__mf_find_objects2): Flip successor/predecessor search sequence.
55 * ansidecl.h, libiberty.h: Removed dummy files.
57 2004-06-29 Nick Clifton <nickc@redhat.com>
59 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
60 * configure: Regenerate.
61 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
63 Remove spurious inclusion of <strings.h>.
65 2004-06-29 Nick Clifton <nickc@redhat.com>
67 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
68 function actually exists.
70 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
72 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
73 * config.h.in: Regenerated.
75 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
77 Adopt splay trees for object database.
78 * Makefile.am: Copy splay-tree.* from libiberty.
79 * Makefile.in, testsuite/Makefile.in: Regenerated.
80 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
81 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
82 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
83 * mf-runtime.c: Rewrite code dealing with object database to use
84 libiberty splay trees. Remove tree liveness aging option.
85 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
87 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
89 * configure.ac: New name of configure.in. Update
90 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
91 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
92 Autoconf 2.5x and Automake 1.7 or later.
93 * configure.in: Remove.
94 * configure: Regenerate.
96 * Makefile.am: Remove useless multilib rules.
97 * Makefile.in: Regenerate.
99 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
101 * .cvsignore: New file.
103 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
106 * mf-hooks2.c (semctl): Add cygwin porting hack.
108 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
111 * configure.in: Look for ctype header and glibc implementation.
112 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
113 array hooks for glibc 2.3.
114 * mf-runtime.h.in: Wrap them.
115 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
117 * testsuite/libmudflap.c/pass47-frag.c: New test.
118 * configure, config.h.in: Regenerated.
120 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
122 Portability improvements, e.g., libmudflap/15293.
123 * configure.in: Look for glibc extension functions. Look for
124 support of -f{function,data}-sections. Look for more headers.
125 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
126 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
127 mf-hooks* into usual single object per source.
128 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
129 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
130 if system doesn't provide one.
131 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
132 (pthread_create): Use it to properly GC dead thread stacks.
133 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
134 * testsuite/Makefile.am: Stop generating site.exp.
135 * testsuite/mfconfig.exp.in: New file.
136 * testsuite/config/default.exp: Load new mfconfig.exp.
137 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
138 (prune_gcc_output): Add glibc static linking warnings.
139 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
140 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
141 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
142 Regenerated with autoconf 2.57 and automake 1.7.
144 2004-06-04 Per Bothner <per@bothner.com>
146 * configure.in (LIBMUDFLAPTH): Fix thinko.
148 * configure.in: Check for more headers.
149 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
151 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
152 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
154 2004-06-01 Andreas Jaeger <aj@suse.de>
156 * configure.in: Handle multilibs, support
157 --enable-version-specific-runtime-libs.
158 * Makefile.am (lib_LTLIBRARIES): Rename to ...
159 (toolexeclib_LTLIBRARIES): this for multilib support.
160 * Makefile.in: Regenerated.
161 * configure: Regenerated.
162 * aclocal.m4: Regenerated.
163 * config.h.in: Regenerated.
164 * testsuite/Makefile.in: Regenerated.
166 2004-06-01 Andreas Jaeger <aj@suse.de>
168 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
169 multilibs, using multilib directory instead of hardcoded path.
172 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
174 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
175 * Makefile.in: Ditto.
177 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
179 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
180 * aclocal.m4, configure: Rebuilt.
182 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
184 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
185 import some build settings from libstdc++-v3 testsuite_flags.
186 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
187 changes to pass test language.
189 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
190 quicker mode-nop handling.
192 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
194 * mf-impl.h: Added libgcc license header.
196 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
198 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
199 Added libgcc license header.
200 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
201 (pthread_create): Simplify stack allocation syntax.
203 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
205 * mf-hooks2.c: Support FreeBSD.
206 (WRAP_gets): Avoid gets().
207 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
208 test unimplemented mem/str calls on FreeBSD.
209 * testsuite/libmudflap.c/pass21-frag.c: Do not include
210 <alloca.h> on FreeBSD.
212 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
214 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
215 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
216 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
217 flags for static linking permutation.
218 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
219 some pthreads code that croaks on linux glibc tls.
221 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
223 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
225 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
227 * testsuite/libmudflap.c/pass44-frag.c: New test.
229 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
231 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
233 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
235 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
237 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
239 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
241 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
244 * configure.in: Add check for see if
245 socklen_t typedef is in sys/socket.h.
246 * mf-hooks1.c: Add define if socklen_t
248 * mf-hooks2.c: Likewise.
249 * mf-hooks3.c: Likewise.
250 * config.h.in: Regen.
253 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
255 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
256 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
258 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
259 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
260 (unoptimized) allocation of stack space.
262 2003-12-07 Richard Henderson <rth@redhat.com>
264 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
265 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
267 2003-12-06 Andrew Pinski <apinski@apple.com>
269 partial PR libmudflap/12670
270 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
271 * mf-hooks2.c: Likewise.
272 * mf-hooks3.c: Likewise.
274 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
277 * mf-runtime.h.in: Switch to #pragma redefine_extname for
278 symbols interposed at compile time.
279 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
282 * mf-hooks2.c (semctl): Tolerate FreeBSD.
284 * configure.in: Reorganize check for <pthread.h>.
285 * configure: Regenerated.
287 2003-11-04 David Edelsohn <edelsohn@gnu.org>
289 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
290 (_LARGE_FILE_API): Define for AIX.
291 * mf-hooks[123]: Same.
292 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
294 2003-10-21 David Edelsohn <edelsohn@gnu.org>
296 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
298 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
300 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
302 * configure.in: Update check for union semun.
304 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
307 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
309 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
312 * configure.in: Add checks for 64-bit LFS functions, struct semun
313 definition, for BSD compatibility.
314 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
315 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
316 * mf-hooks3.c: Ditto.
317 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
319 * configure, config.h.in: Regenerated.
321 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
323 Multithreading fixes:
324 * mf-runtime.c (__mf_object): Store allocating/deallocating
326 (options): Support new "-thread-stack" option.
327 Rename "-heur-argv-environ" option to "-heur-stdlib".
328 Disable "-lc-mask" and "-lc-shift" options.
329 (__mf_dynamic): Add function pointers for pthread_join/_exit.
330 (__assert_fail): New self-contained function for glibc.
331 * mf-hooks3.c: Essentially rewritten, particularly related to
332 use of __mf_pthread_info array.
333 (pthread_join, _exit): New hook functions.
334 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
335 * testsuite/libmudflap.cth/pass40-frag.c: New test.
338 * mf-heuristics.c: Add type casts for tracing, sub calls.
339 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
340 Update all callers to declare explicit result holder.
341 (END_PROTECT): Removed.
342 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
344 2003-07-15 Diego Novillo <dnovillo@redhat.com>
346 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
347 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
348 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
350 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
352 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
354 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
355 Move these macros from old mf-hooks.c here.
356 * Makefile.am: Adapt to split-up hook sources for faster builds.
357 * Makefile.in: Regenerated.
359 * mf-heuristics.c: Remove #if-0 block.
361 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
362 (__mf_starting_p): New state only for use while dlsym bootstrapping.
363 (CALL_REAL, __mf_init): Corresponding changes.
364 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
365 all callers to remove redundant "mf:" prefix.
366 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
367 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
368 (__mf_pthread_info): Become a hash table.
370 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
371 "dg-repetitions" directives to control test case execution.
372 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
374 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
376 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
378 * mf-hooks.c (alloca): Separate into stub.
379 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
380 malloc/free for alloca blocks.
381 (pthread_create): Tolerate failing pthread_attr_get* calls.
382 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
383 * mf-impl.h (CALL_WRAP): Remove macro.
384 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
385 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
386 padding for ia64 BIT_FIELD_REF constructs.
388 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
390 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
391 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
392 libmudflap object type.
393 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
394 crashes on unregistering STATIC objects.
396 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
398 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
399 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
400 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
401 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
402 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
403 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
404 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
405 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
406 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
407 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
408 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
409 (accept, bind, connect, gethostname, sethostname): New hooks.
410 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
411 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
412 (semop, semctl, shmctl, shmat, shmdt): New hooks.
413 * mf-runtime.h.in: Corresponding changes.
414 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
415 (opts) Rename heur_argv_environ to heur_std_data.
416 (__mf_wrap_main): Use STATIC type for argv/environ strings.
417 * Makefile.am: Corresponding changes.
418 * Makefile.in: Regenerated.
420 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
422 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
423 heuristic for threaded case, and for non-x86-linux targets.
424 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
425 for use during pre-main() program startup.
426 (__mf_0fn_*): Make these functions non-static.
427 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
429 * mf-runtime.c (__mf_state): Set initial state to "starting".
430 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
431 (__wrap_main): New function to register argv[] and environ[] strings.
433 (*): In all trace functions, use "%p" as formatter for uintptr_t.
435 * testsuite/libmudflap.c/pass38-frag.c: New test case.
436 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
438 * acinclude.m4: Add comments with aoliva's concerns about x86_64
440 * aclocal.m4, configure: Regenerated.
442 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
444 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
445 * aclocal.m4, configure: Regenerated.
447 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
449 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
450 for x86_64 target. Disable caching for this value.
451 * aclocal.m4, configure: Regenerated.
453 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
455 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
456 is about to become deprecated, and its present handling bugs are
459 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
461 * testsuite/libmudflap.c/pass38-frag.c: New test for
464 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
466 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
467 __mf_report, asserting reentrant calling context.
469 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
471 * mf-hooks.c (realloc): Correct reentrancy logic.
472 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
474 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
476 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
477 PTHREAD_THREADS_MAX. Update users.
478 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
480 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
481 with libmudflapth presence indicator.
482 * testsuite/Makefile.in: Regenerated.
484 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
486 * Makefile.am (AM_CFLAGS): Remove "-ansi".
487 * configure.in: Remove silly no-pthreads => no-shared logic.
488 * Makefile.in, configure: Regenerated.
489 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
490 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
491 code. Count reentrancy events.
492 (all hook functions): Don't directly manipulate __mf_state variable.
493 Add TRACE calls to hook functions without them.
494 * mf-impl.h (LOCKTH): Try to count lock contention events.
495 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
496 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
497 Reorganize reentrancy code.
498 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
499 identify reentrancy with mutex holding times.
500 (internal __mfu_ entry points): Remove internal reentrancy code.
501 (__mf_init): Use ordinary locked calls.
502 (__mfu_report): Print the two new counts.
503 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
504 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
505 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
506 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
509 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
511 * configure.in: Add pthread support, plus glibc and porting hacks.
512 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
513 from objects built into ./pth/.
514 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
515 functions for internal entry points. Update callers to pick
516 locked vs. unlocked variants.
517 (__mf_resolve_single_dynamic): Extend to support symbol versioning
518 info coming in from a static data structure.
519 (*): Reorder miscellaneous declarations to group data vs functions.
520 (__mf_set_default_options): Simplify.
521 (__mf_usage): Mention threading status of host executable.
522 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
523 decls to match above.
524 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
525 * mf-heuristics.c: Choose between locked/unlocked calls. Add
526 some lock/unlock markers. Remove some unused code.
528 (pthread_create): New hook function.
529 (__mf_pthread_cleanup, _spawner): New helper functions.
530 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
532 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
534 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
536 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
538 * Makefile.am (HOOKOBJS): Add *time related hooks.
539 * configure.in: Look for pthreads.h header.
540 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
541 * mf-runtime.c: Begin sketching some pthreads support.
542 (__mf_usage): Check for -lpthread presence.
543 (__mf_unregister): Confirm matching unregistration base.
544 (__mf_find_objects_rec): Reduce unnecessary recursion.
545 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
546 #defines for new hook functions.
547 * mf-impl.h: Corresponding changes.
548 * config.h.in, configure, Makefile.in: Regenerated.
550 2002-04-27 Diego Novillo <dnovillo@redhat.com>
552 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
553 modifiers to prevent being optimized away.
554 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
555 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
556 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
557 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
558 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
559 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
560 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
562 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
564 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
565 * configure.in: Look for uintptr_t and -ldl on target.
566 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
567 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
568 * testsuite/Makefile.in: Regenerated.
569 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
570 for better C compliance.
572 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
574 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
576 * mf-runtime.c (__mf_set_default_options): Turn off
577 check-initialization.
578 (__mf_describe_object): Shorten description.
579 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
581 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
583 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
585 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
587 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
589 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
590 * mf-impl.h (CALL_BACKUP): New macros.
591 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
593 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
595 * Makefile.am (AM_CFLAGS): Remove optimization flags.
596 (HOOKOBJS): Remove dlopen hook.
597 (libmudflap_la_LIBADD): Add -ldl.
598 * mf-hooks.c (dlopen): Remove hook.
599 * mf-impl.h (__mf_dynamic): Ditto.
600 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
601 * Makefile.in: Regenerated.
603 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
605 * configure.in: Check for target gettimeofday, signal, some headers.
606 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
607 out inop multi_threaded field.
608 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
609 (__mf_set_options): Correct handling of "-help".
610 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
611 (__mf_check, __mf_register, __mf_unregister): Call it.
612 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
613 (__mf_report_leaks): Make callable
614 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
615 distribution statistics.
616 (__mf_adapt_cache): Rewrite shift guessing logic based on address
618 * config.h.in, configure: Regenerated.
619 * testsuite/libmudflap.c/fail27-frag.c: New test.
620 * testsuite/libmudflap.c/pass36-frag.c: New test.
622 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
624 * mf-runtime.h.in: Tweak.
625 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
626 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
627 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
629 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
631 * configure.in: Tweak generation of mf-runtime.h some more. It
632 needs to work from both config.status and configure.
633 * configure: Regenerated.
635 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
637 * Makefile.am: Reorganize hook file building. Add auto dependencies.
638 * configure.in: Tweak generation of mf-runtime.h.
639 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
640 * mf-hooks.c (*): Adapt to initialized-heap object type.
641 * mf-impl.h: Tweak cemetary boundaries.
642 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
644 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
645 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
646 * testsuite/lib/libmudflap.exp (includes): Include build tree.
647 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
649 * testsuite/.../fail{25,26}-frag.c: New tests.
650 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
651 * Makefile.in, configure: Regenerated.
653 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
655 * mf-runtime.c (__mf_set_default_options): Turn on initialization
657 (__mf_insert_new_object): As a temporary hack, assume that new
658 objects registered on the stack start out initialized.
659 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
660 heap objects by hand.
662 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
664 Switch to macro-style hooks for str*/mem*/b* functions.
665 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
666 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
667 * mf-runtime.c: #include config.h to enable glibc backtraces again.
668 (__mf_set_default_options): Turn off heur_proc_map.
669 (*): Adapt to to macro-style hook functions.
670 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
671 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
672 (__mf_violation): Handle __MF_VIOL_WATCH.
673 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
674 (__mf_dynamic): Removed mem*/str*/b* functions.
675 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
676 (WRAPPER2): New macro for macro-style hooks.
677 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
679 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
680 * mf-heuristics.c: Adapt to macro-style hook functions.
681 Correct some comments.
682 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
683 output pattern tests.
684 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
685 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
687 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
689 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
690 for global array registration.
691 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
692 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
694 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
696 * Makefile.am: Add gross make bug workarounds. Tweaked
697 SUBDIRS and AM_CFLAGS.
698 * Makefile.in: Regenerated.
700 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
703 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
704 * Makefile.am (TESTS): Remove simple automake testing.
705 * configure, Makefile.in: Regenerated.
706 (SUBDIRS): Include new testsuite/ directory.
707 * tests/*: Removed all files; moved bulk under:
708 * testsuite/*: New subdirectory tree.
709 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
710 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
711 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
712 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
713 * testsuite/config/default.exp: New file.
714 * testsuite/Makefile.am, Makefile.in: New files.
716 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
718 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
719 (TESTS): Add fail22 and pass29 tests.
720 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
721 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
722 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
723 values. Move __MF_VIOL* here.
724 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
725 (check_initialization): New field in __mf_opts. Default off.
726 (read_count,write_count): New fields in __mf_object.
727 (__mf_check): Implement basic initialization checking.
728 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
729 (__mf_describe_object): Print new fields.
730 (__mf_violation): Identify check/read vs. check/write in messages.
731 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
732 "-check-initialized" mudflap option.
733 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
734 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
735 Drop __FILE__/__LINE__ hack. Update callers.
736 (*): Adapt to new mf-runtime.h API.
737 * Makefile.in: regenerated.
739 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
741 * configure.in: Build mf-runtime.h a more proper way.
742 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
743 * mf-runtime.c (verbose_violations): Turn on by default.
744 * mf-runtime.h.in: Remove some miscellaneous stuff ...
745 * mf-impl.h: ... and move it here.
746 * configure: Regenerated.
748 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
750 * configure.in: Look for C++ compiler.
751 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
752 fixed type warnings when built with C++.
753 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
754 * Makefile.am (TESTS): Run them.
755 (*) Add new rules for building and running C++ tests.
756 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
757 * mf-runtime.h.in: Protect with extern "C".
758 * Makefile, configure: Regenerated.
760 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
762 Portability improvements.
763 * configure.in: Look for glibc backtrace headers/functions.
764 * mf-hooks.c: Don't include <execinfo.h> any more.
765 * mf-runtime.c (__mf_set_options): Call more stdlib functions
767 (__mf_backtrace): Provide alternate baby implementation in
769 * test/mf-driver.c: Portability tweaks.
770 * acinclude.m4: New file, containing top level libtool.m4.
771 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
773 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
775 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
777 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
779 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
781 (__mf_unregister): Implement stack/heap object wiping.
782 (__mf_set_options): Renamed from __mf_process_opts.
783 (__mf_uncache_object): Change arg type, correct callers.
784 * mf-impl.h: Corresponding changes.
785 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
786 * mf-runtime.h.in (__mf_set_options): Extend public API.
787 * test/pass26-frag.c: New test for stack wiping.
788 * Makefile.am (TESTS): Run it.
789 * Makefile.in: Regenerated.
791 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
793 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
794 * mf-runtime.c (__mf_object_t): Add watching_p field.
795 (__mf_watch_or_not): New function to implement
796 object watch flagging.
797 (__mf_watch, __mf_unwatch): New wrappers for above.
798 (__mf_check, __mf_describe_object): Handle objects with watching_p.
799 (__mf_count_violation): Enlarge array.
800 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
801 unlink object. Clear cache properly.
802 (__mf_unregister): Unlink object explicitly before uncaching.
803 * test/fail21-frag.c, pass25-frag.c: New tests.
804 * Makefile.in, aclocal.m4: Regenerated.
806 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
808 * test/fail20-frag.c: New test for NULL pointer dereferencing.
809 * Makefile.am (TESTS): Add it.
810 * test/pass-stratcliff.c: Add decls of stpcpy.
811 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
812 build tree from config.h and new file mf-runtime.h.in.
813 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
814 * Makefile.in, configure, config.h.in: Regenerated.
815 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
816 * mf-runtime.c (options, __mf_set_default_options): Support new
817 default "abbreviate" option.
818 (__mf_object.description_epoch): New field.
819 (__mf_describe_object): Conditionally abbreviate objects already
820 displayed in current epoch. Accept NULL input to increment epoch.
821 (__mf_fini, __mf_ini): Reset description epoch.
822 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
823 that NULL pointer slot in lookup cache is invalidated. Register a
824 NOACCESS region around NULL.
825 * mf-impl.h: Corresponding changes.
827 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
829 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
830 * Makefile.am: Run them. Install mf-runtime.h.
831 * Makefile.in: Regenerated.
832 * mf-hooks.c: Add some markers for more missing functions.
833 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
834 statistic to tune tune cache size (mask).
836 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
838 * test/pass23-frag.c: New test for bit_field_ref expressions.
839 * Makefile.am, Makefile.in: Add new test.
840 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
841 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
842 * mf-runtime.c (__mf_init): Register errno global.
843 (__mf_find_object): Removed function.
844 (__mf_check): Rewrite logic to support accesses across some
845 contiguous but distinctly registered objects.
846 (__mf_remove_old_object): Tolerate cache entries that span
849 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
851 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
852 * Makefile.am, Makefile.in: Run new tests.
853 * mf-hooks.c (alloca): Correct stack direction logic.
855 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
857 * mf-impl.h (adapt_cache): New option.
858 * mf-runtime.c (__mf_set_default_options): Set its default value.
859 Tweak the tree_aging parameter down.
860 (__mf_check): Maintain separate counter for cache-adaptation.
861 (__mf_tree_analyze): New function to collect object tree stats.
862 (__mf_adapt_cache): New function to automate cache parameters.
864 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
866 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
867 hypothetical #if-0'd argv/envp region registration.
868 * mf-runtime.c (__mf_init): Add kludged form of above.
869 (*) Add "heur_argv_environ" flag, default on, to govern this.
870 * mf-impl.h: Corresponding changes.
872 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
874 * test/fail18-frag.c: New test file for NOACCESS regions.
875 * Makefile.am (TESTS): Add new test.
876 * Makefile.in: Regenerated.
878 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
879 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
880 (optimize_object_tree): Remove unused mudflap_option.
881 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
882 support throughout. Use .._MAX_CEM for cemetary upper bound.
883 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
885 (__mf_object): Add new liveness field for use by tree aging.
886 (__mf_check): Trigger tree aging when needed.
887 (__mf_age_tree): New function to decay liveness field.
888 (__mf_find_objects_rec): Use liveness field to rotate tree.
889 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
890 (__mf_unregister): Ditto.
891 (__mf_register): Tweak duplicate-static message.
892 (__mf_violation: Tweak nearby-object counter printing.
894 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
896 * test/pass20-frag.c: New test file.
897 * Makefile.am (TESTS): Reorganize. Add pass20 test.
898 * Makefile.in: Regenerated.
900 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
901 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
902 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
903 entries to avoid repeat registration.
904 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
905 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
907 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
909 * Makefile.am: Create test sources with #include, not cat>>.
910 * Makefile.in: Regenerated.
911 * test/buildtest.sh: Removed.
912 * test/driver.c (abort_handler, main): Be quiet.
914 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
916 * test/pass18-frag.c, pass19-frag.c: New tests.
917 * Makefile.am (check): Run them. Rebuild test programs each time.
918 * Makefile.in: Regenerated.
920 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
922 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
923 overlapping object search.
924 (__mf_violation): Likewise for nearby objects.
925 Improve nearby-object listing.
928 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
929 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
931 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
934 * Makefile.am (AM_CFLAGS): New definition of needed settings.
935 (HOOKOBJS): Add alloca-hook.o.
936 * mf-hooks.c (alloca): New function to implement alloca in libiberty
938 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
939 (__mf_backtrace): Reimplement without using alloca.
940 * Makefile.in: Regenerated.
943 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
944 Correct signedness bugs in length-tracking variables.
945 * mf-impl.h: Make options unsigned.
946 (CALL_WRAP): New macro to parallel CALL_REAL().
947 (DECLARE): Remove erroneous ";" at end.
948 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
949 formatting specs with %08lx. Correct several compiler warnings.
951 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
953 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
955 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
957 libmudflap hook breakup:
958 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
960 (TESTS): Make dependent on libmudflap.
961 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
962 compiled from segments of mf-hooks.c.
963 * mf-hooks.c: Corresponding changes: wrap each function in
965 * Makefile.in: Regenerated.
967 Heuristics reorganization:
968 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
969 Remove these functions. Update callers.
970 (__mf_heuristic_check): Incorporate all the various heuristics.
971 Encode cacheability/retry judgement into trinary return value.
972 Separate start-end logic into a separate fallback heuristic. Only
973 register relevant /proc/self/map segments.
974 * mf-impl.h: Corresponding changes.
975 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
976 (__mf_init): Don't call __mf_init_heuristics.
979 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
980 "-verbose-trace" to emit all tracing messages other than those of
981 basic public api. Eliminate some duplicate/excessive messages.
982 * mf-runtime.h: Corresponding changes.
984 2002-08-27 Graydon Hoare <graydon@redhat.com>
986 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
987 and __real when compiled with -DPIC.
988 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
989 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
990 * Makefile.in: Regenerate.
992 2002-08-26 Graydon Hoare <graydon@redhat.com>
994 * mf-impl.h: New file, private implementation header.
995 * mf-runtime.h: Reorganize a bit.
996 (CLAMPSZ): Fix arithmetic.
997 (__MF_CACHE_MISS_P): Fix arithmetic.
998 * mf-runtime.c: Reorganize a bit.
999 (__mf_dynamic): New structure.
1000 (resolve_single_dynamic): New function.
1001 (__mf_resolve_dynamics): New function.
1002 (__mf_init): Initialize dynamic wrappers.
1003 * mf-hooks.c: Macro-ize __real calls.
1004 Clamp various bits of arithmetic.
1005 Add explicit __mf_check call contexts.
1006 * Makefile.am: Add dependencies on mf-impl.h
1007 * Makefile.in: Regenerate.
1008 * configure.in: Comment out shared override.
1009 * configure: Regenerate.
1011 2002-08-22 Graydon Hoare <graydon@redhat.com>
1013 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1014 (__mf_check): Re-inialize and check heuristics before violation.
1015 (__mf_register): Permit updating pure-guess regions.
1016 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1017 (__wrap_dlopen): New wrapper function.
1018 (__wrap_mmap): New wrapper function.
1019 (__wrap_munmap): New wrapper function.
1020 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1021 which are not stack addresses.
1022 (is_stack_address): New function.
1023 (__mf_init_heuristics): Save and restore state, always initialize with
1026 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1028 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1029 error. Pass location string.
1030 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1031 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1032 (__mf_process_opts): Apply some sanity checking for lc-mask.
1033 (__mf_check, __mf_violation): Take new location-string argument.
1034 Update callers to pass NULL if necessary.
1035 (__mf_backtrace): New smart backtracer function. Calls replace
1036 several ad-hoc blocks elsewhere.
1037 (__mf_describe_object): Remove bad reentrancy test. Improve
1039 * mf-runtime.h: Corresponding changes. Public/private markup.
1040 (__MF_CACHE_MISS_P): New macro.
1042 2002-08-20 Graydon Hoare <graydon@redhat.com>
1044 * mf-runtime.h: New option: stack_bound (heuristic).
1045 Move some macros out of implementation files.
1046 * mf-runtime.c: New option string: -stack-bound.
1047 Unify recursion protection with hooks.
1049 (__mf_check): Call __mf_heuristic_check.
1050 (__mf_process_opts): Fix "no-" processing.
1051 * mf-heuristics.c (__mf_heuristic_check): New function.
1052 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1054 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1056 Option parsing improvements, region splitting bug fixes:
1057 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1058 * mf-runtime.h (heur_proc_map): New libmudflap option.
1059 * mf-runtime.c (__mf_set_default_options): Set it.
1060 (__mf_usage): Print default values/status.
1061 (__mf_process_opts): Support general "no-" option string prefix.
1062 (__mf_init): Print __mf_usage on unknown-option error.
1063 (__mf_register): Print trace message up front.
1064 Correct region splitting logic for case where a subregion disappears.
1065 Correct memory leak.
1066 (__mf_violation): Make even basic message conditional on option.
1069 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1070 (clean-local): New target.
1071 (test/*x rules): Add -g CFLAGS.
1072 (CFLAGS): Add -freorder-blocks.
1073 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1074 * Makefile.in: Regenerated.
1075 * Makefile, mf-config.h: Removed files.
1077 2002-08-16 Graydon Hoare <graydon@redhat.com>
1079 * mf-runtime.c (__mf_insert_new_object): Factor out of
1081 (__mf_remove_old_object): Factor out of __mf_unregister.
1082 (__mf_register): Handle guessed regions, splitting
1083 guesses when new registrations arrive.
1084 (__mf_unregister): Do not unregister guesses.
1085 * mf-runtime.h: Move convenience macros around,
1086 declare new option fields. Add __MF_TYPE_GUESS.
1087 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1088 (__wrap_free): Call __real_free for deferred frees.
1089 * Makefile.am: Add more tests, fix dependency.
1090 * Makefile.in: Regenerate.
1091 * test/pass[13..17]-frag.c: New testcases.
1092 * test/fail[13..17]-frag.c: New testcases.
1094 2002-08-15 Graydon Hoare <graydon@redhat.com>
1096 * mf-heuristics.c: New file.
1097 * mf-runtime.c (options): Add -trace-calls option.
1098 (__mf_init): Call __mf_init_heuristics.
1100 2002-08-14 Graydon Hoare <graydon@redhat.com>
1102 * Makefile.am (TESTS): Add testsuite support.
1103 * Makefile.in: Regenerate.
1104 * test/mf-driver.c: New file.
1105 * test/buildtest.sh: New file.
1106 * test/passNN-frag.c: New testcases.
1107 * test/failNN-frag.c: New testcases.
1109 2002-08-14 Graydon Hoare <graydon@redhat.com>
1111 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1112 verifying non-size-limited string extents.
1114 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1116 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1117 instead of plain str[n]len for internal checks.
1118 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1120 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1122 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1124 2002-08-13 Graydon Hoare <graydon@redhat.com>
1126 * mf-runtime.c: Rework configuration to operate on
1127 environment variable options rather than #defines
1128 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1129 (__mf_init): Set static __mf_active_p flag on startup,
1130 to inhibit mudflap wrap-based checking during crt0.s.
1131 * mf-runtime.h: Declare options structure.
1132 * mf-hooks.c: New wrappings for mem*, b*, str*
1133 libc functions (temporarily #if 0-ed out).
1135 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1137 * Makefile.am, configure.in: New files.
1138 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1139 * stamp-h.in, aclocal.m4: Ditto.
1141 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1143 * Makefile: New file.
1144 * mf-config.h: New file: runtime configuration.
1145 * mf-hooks.c: New file: interposed libc functions.
1146 * mf-runtime.c: New file: bulk of runtime.
1147 * mf-runtime.h: New file: public functions.