1 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
3 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
4 * mf-hooks2.c (strerror): Unregister previous string returned by
6 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
7 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
8 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
9 * mf-runtime.c (__mf_describe_object): Clarify object life status.
10 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
12 * configure, config.h.in: Regenerated.
14 2004-08-03 Dale Johannesen <dalej@apple.com>
16 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
18 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
20 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
21 simplified contents in all former callers.
23 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
25 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
26 the statically linked case.
28 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
30 * splay-tree.[ch]: Remove. Merge contents into ...
31 * mf-runtime.c: ... here, renaming symbols and making all functions
32 static. Remove unused min/max functions.
33 * Makefile.am: Forget about splay-tree.[ch].
34 * Makefile.in, testsuite/Makefile.in: Regenerated.
36 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
38 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
39 (__mfu_usage): Include (C) 2004.
40 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
41 here. Include a comment explaining why.
43 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
45 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
46 * mf-runtime.c (options): Give them a name.
47 (__mf_set_default_options): Set them.
48 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
49 (__mf_violation): Warning cleanup.
50 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
51 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
53 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
56 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
59 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
61 Test case for g++/15861
62 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
63 * testsuite/libmudflap.c++/ctors.exp: Driver.
64 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
65 Look only for *frag* test cases.
67 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
69 ANSI C conversion, libmudflap specialization, recursion limiting.
70 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
71 argument and indirection function pointers, update callers.
72 (splay_tree_s): Add statistics and recursion control fields
73 num_keys, max_depth, depth, rebalance_p.
74 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
75 Back out of search if it exceeds limit.
76 (splay_tree_splay): Manage recursion limiting with rebalancing as
78 (splay_tree_new): More initialization.
79 (splay_tree_rebalance): New function.
80 (splay_tree_foreach): Rewrite using nonrecursive logic.
81 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
82 Remove. Point indirect calls to mf-runtime.c's routines.
83 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
85 (splay_tree_delete, splay_tree_delete_helper): Ditto.
86 * testsuite/heap-scalestress.c: New test based on one from
87 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
89 2004-07-05 Matthias Klose <doko@debian.org>
91 * libtool-version: New.
92 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
93 Use -version-info for soname.
94 * Makefile.in: Regenerate.
95 * configure.ac: Remove libtool_VERSION macro
96 * configure: Regenerate
98 2004-07-05 Zack Weinberg <zack@codesourcery.com>
100 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
101 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
104 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
106 Splay tree implementation fork.
107 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
108 Use hard-coded comparison function for uintptr_t. Remove key/value
109 deallocation logic. Cache last splayed key for consecutive lookups.
110 * Makefile.am, Makefile.in: Use them, don't link to them.
111 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
112 (__mf_find_objects2): Flip successor/predecessor search sequence.
113 * ansidecl.h, libiberty.h: Removed dummy files.
115 2004-06-29 Nick Clifton <nickc@redhat.com>
117 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
118 * configure: Regenerate.
119 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
121 Remove spurious inclusion of <strings.h>.
123 2004-06-29 Nick Clifton <nickc@redhat.com>
125 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
126 function actually exists.
128 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
130 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
131 * config.h.in: Regenerated.
133 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
135 Adopt splay trees for object database.
136 * Makefile.am: Copy splay-tree.* from libiberty.
137 * Makefile.in, testsuite/Makefile.in: Regenerated.
138 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
139 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
140 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
141 * mf-runtime.c: Rewrite code dealing with object database to use
142 libiberty splay trees. Remove tree liveness aging option.
143 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
145 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
147 * configure.ac: New name of configure.in. Update
148 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
149 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
150 Autoconf 2.5x and Automake 1.7 or later.
151 * configure.in: Remove.
152 * configure: Regenerate.
154 * Makefile.am: Remove useless multilib rules.
155 * Makefile.in: Regenerate.
157 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
159 * .cvsignore: New file.
161 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
164 * mf-hooks2.c (semctl): Add cygwin porting hack.
166 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
169 * configure.in: Look for ctype header and glibc implementation.
170 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
171 array hooks for glibc 2.3.
172 * mf-runtime.h.in: Wrap them.
173 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
175 * testsuite/libmudflap.c/pass47-frag.c: New test.
176 * configure, config.h.in: Regenerated.
178 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
180 Portability improvements, e.g., libmudflap/15293.
181 * configure.in: Look for glibc extension functions. Look for
182 support of -f{function,data}-sections. Look for more headers.
183 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
184 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
185 mf-hooks* into usual single object per source.
186 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
187 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
188 if system doesn't provide one.
189 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
190 (pthread_create): Use it to properly GC dead thread stacks.
191 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
192 * testsuite/Makefile.am: Stop generating site.exp.
193 * testsuite/mfconfig.exp.in: New file.
194 * testsuite/config/default.exp: Load new mfconfig.exp.
195 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
196 (prune_gcc_output): Add glibc static linking warnings.
197 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
198 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
199 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
200 Regenerated with autoconf 2.57 and automake 1.7.
202 2004-06-04 Per Bothner <per@bothner.com>
204 * configure.in (LIBMUDFLAPTH): Fix thinko.
206 * configure.in: Check for more headers.
207 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
209 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
210 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
212 2004-06-01 Andreas Jaeger <aj@suse.de>
214 * configure.in: Handle multilibs, support
215 --enable-version-specific-runtime-libs.
216 * Makefile.am (lib_LTLIBRARIES): Rename to ...
217 (toolexeclib_LTLIBRARIES): this for multilib support.
218 * Makefile.in: Regenerated.
219 * configure: Regenerated.
220 * aclocal.m4: Regenerated.
221 * config.h.in: Regenerated.
222 * testsuite/Makefile.in: Regenerated.
224 2004-06-01 Andreas Jaeger <aj@suse.de>
226 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
227 multilibs, using multilib directory instead of hardcoded path.
230 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
232 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
233 * Makefile.in: Ditto.
235 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
237 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
238 * aclocal.m4, configure: Rebuilt.
240 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
242 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
243 import some build settings from libstdc++-v3 testsuite_flags.
244 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
245 changes to pass test language.
247 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
248 quicker mode-nop handling.
250 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
252 * mf-impl.h: Added libgcc license header.
254 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
256 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
257 Added libgcc license header.
258 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
259 (pthread_create): Simplify stack allocation syntax.
261 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
263 * mf-hooks2.c: Support FreeBSD.
264 (WRAP_gets): Avoid gets().
265 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
266 test unimplemented mem/str calls on FreeBSD.
267 * testsuite/libmudflap.c/pass21-frag.c: Do not include
268 <alloca.h> on FreeBSD.
270 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
272 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
273 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
274 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
275 flags for static linking permutation.
276 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
277 some pthreads code that croaks on linux glibc tls.
279 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
281 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
283 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
285 * testsuite/libmudflap.c/pass44-frag.c: New test.
287 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
289 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
291 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
293 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
295 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
297 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
299 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
302 * configure.in: Add check for see if
303 socklen_t typedef is in sys/socket.h.
304 * mf-hooks1.c: Add define if socklen_t
306 * mf-hooks2.c: Likewise.
307 * mf-hooks3.c: Likewise.
308 * config.h.in: Regen.
311 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
313 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
314 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
316 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
317 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
318 (unoptimized) allocation of stack space.
320 2003-12-07 Richard Henderson <rth@redhat.com>
322 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
323 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
325 2003-12-06 Andrew Pinski <apinski@apple.com>
327 partial PR libmudflap/12670
328 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
329 * mf-hooks2.c: Likewise.
330 * mf-hooks3.c: Likewise.
332 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
335 * mf-runtime.h.in: Switch to #pragma redefine_extname for
336 symbols interposed at compile time.
337 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
340 * mf-hooks2.c (semctl): Tolerate FreeBSD.
342 * configure.in: Reorganize check for <pthread.h>.
343 * configure: Regenerated.
345 2003-11-04 David Edelsohn <edelsohn@gnu.org>
347 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
348 (_LARGE_FILE_API): Define for AIX.
349 * mf-hooks[123]: Same.
350 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
352 2003-10-21 David Edelsohn <edelsohn@gnu.org>
354 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
356 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
358 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
360 * configure.in: Update check for union semun.
362 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
365 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
367 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
370 * configure.in: Add checks for 64-bit LFS functions, struct semun
371 definition, for BSD compatibility.
372 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
373 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
374 * mf-hooks3.c: Ditto.
375 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
377 * configure, config.h.in: Regenerated.
379 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
381 Multithreading fixes:
382 * mf-runtime.c (__mf_object): Store allocating/deallocating
384 (options): Support new "-thread-stack" option.
385 Rename "-heur-argv-environ" option to "-heur-stdlib".
386 Disable "-lc-mask" and "-lc-shift" options.
387 (__mf_dynamic): Add function pointers for pthread_join/_exit.
388 (__assert_fail): New self-contained function for glibc.
389 * mf-hooks3.c: Essentially rewritten, particularly related to
390 use of __mf_pthread_info array.
391 (pthread_join, _exit): New hook functions.
392 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
393 * testsuite/libmudflap.cth/pass40-frag.c: New test.
396 * mf-heuristics.c: Add type casts for tracing, sub calls.
397 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
398 Update all callers to declare explicit result holder.
399 (END_PROTECT): Removed.
400 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
402 2003-07-15 Diego Novillo <dnovillo@redhat.com>
404 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
405 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
406 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
408 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
410 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
412 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
413 Move these macros from old mf-hooks.c here.
414 * Makefile.am: Adapt to split-up hook sources for faster builds.
415 * Makefile.in: Regenerated.
417 * mf-heuristics.c: Remove #if-0 block.
419 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
420 (__mf_starting_p): New state only for use while dlsym bootstrapping.
421 (CALL_REAL, __mf_init): Corresponding changes.
422 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
423 all callers to remove redundant "mf:" prefix.
424 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
425 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
426 (__mf_pthread_info): Become a hash table.
428 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
429 "dg-repetitions" directives to control test case execution.
430 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
432 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
434 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
436 * mf-hooks.c (alloca): Separate into stub.
437 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
438 malloc/free for alloca blocks.
439 (pthread_create): Tolerate failing pthread_attr_get* calls.
440 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
441 * mf-impl.h (CALL_WRAP): Remove macro.
442 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
443 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
444 padding for ia64 BIT_FIELD_REF constructs.
446 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
448 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
449 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
450 libmudflap object type.
451 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
452 crashes on unregistering STATIC objects.
454 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
456 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
457 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
458 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
459 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
460 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
461 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
462 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
463 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
464 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
465 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
466 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
467 (accept, bind, connect, gethostname, sethostname): New hooks.
468 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
469 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
470 (semop, semctl, shmctl, shmat, shmdt): New hooks.
471 * mf-runtime.h.in: Corresponding changes.
472 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
473 (opts) Rename heur_argv_environ to heur_std_data.
474 (__mf_wrap_main): Use STATIC type for argv/environ strings.
475 * Makefile.am: Corresponding changes.
476 * Makefile.in: Regenerated.
478 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
480 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
481 heuristic for threaded case, and for non-x86-linux targets.
482 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
483 for use during pre-main() program startup.
484 (__mf_0fn_*): Make these functions non-static.
485 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
487 * mf-runtime.c (__mf_state): Set initial state to "starting".
488 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
489 (__wrap_main): New function to register argv[] and environ[] strings.
491 (*): In all trace functions, use "%p" as formatter for uintptr_t.
493 * testsuite/libmudflap.c/pass38-frag.c: New test case.
494 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
496 * acinclude.m4: Add comments with aoliva's concerns about x86_64
498 * aclocal.m4, configure: Regenerated.
500 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
502 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
503 * aclocal.m4, configure: Regenerated.
505 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
507 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
508 for x86_64 target. Disable caching for this value.
509 * aclocal.m4, configure: Regenerated.
511 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
513 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
514 is about to become deprecated, and its present handling bugs are
517 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
519 * testsuite/libmudflap.c/pass38-frag.c: New test for
522 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
524 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
525 __mf_report, asserting reentrant calling context.
527 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
529 * mf-hooks.c (realloc): Correct reentrancy logic.
530 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
532 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
534 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
535 PTHREAD_THREADS_MAX. Update users.
536 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
538 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
539 with libmudflapth presence indicator.
540 * testsuite/Makefile.in: Regenerated.
542 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
544 * Makefile.am (AM_CFLAGS): Remove "-ansi".
545 * configure.in: Remove silly no-pthreads => no-shared logic.
546 * Makefile.in, configure: Regenerated.
547 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
548 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
549 code. Count reentrancy events.
550 (all hook functions): Don't directly manipulate __mf_state variable.
551 Add TRACE calls to hook functions without them.
552 * mf-impl.h (LOCKTH): Try to count lock contention events.
553 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
554 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
555 Reorganize reentrancy code.
556 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
557 identify reentrancy with mutex holding times.
558 (internal __mfu_ entry points): Remove internal reentrancy code.
559 (__mf_init): Use ordinary locked calls.
560 (__mfu_report): Print the two new counts.
561 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
562 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
563 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
564 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
567 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
569 * configure.in: Add pthread support, plus glibc and porting hacks.
570 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
571 from objects built into ./pth/.
572 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
573 functions for internal entry points. Update callers to pick
574 locked vs. unlocked variants.
575 (__mf_resolve_single_dynamic): Extend to support symbol versioning
576 info coming in from a static data structure.
577 (*): Reorder miscellaneous declarations to group data vs functions.
578 (__mf_set_default_options): Simplify.
579 (__mf_usage): Mention threading status of host executable.
580 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
581 decls to match above.
582 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
583 * mf-heuristics.c: Choose between locked/unlocked calls. Add
584 some lock/unlock markers. Remove some unused code.
586 (pthread_create): New hook function.
587 (__mf_pthread_cleanup, _spawner): New helper functions.
588 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
590 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
592 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
594 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
596 * Makefile.am (HOOKOBJS): Add *time related hooks.
597 * configure.in: Look for pthreads.h header.
598 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
599 * mf-runtime.c: Begin sketching some pthreads support.
600 (__mf_usage): Check for -lpthread presence.
601 (__mf_unregister): Confirm matching unregistration base.
602 (__mf_find_objects_rec): Reduce unnecessary recursion.
603 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
604 #defines for new hook functions.
605 * mf-impl.h: Corresponding changes.
606 * config.h.in, configure, Makefile.in: Regenerated.
608 2002-04-27 Diego Novillo <dnovillo@redhat.com>
610 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
611 modifiers to prevent being optimized away.
612 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
613 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
614 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
615 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
616 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
617 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
618 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
620 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
622 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
623 * configure.in: Look for uintptr_t and -ldl on target.
624 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
625 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
626 * testsuite/Makefile.in: Regenerated.
627 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
628 for better C compliance.
630 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
632 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
634 * mf-runtime.c (__mf_set_default_options): Turn off
635 check-initialization.
636 (__mf_describe_object): Shorten description.
637 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
639 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
641 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
643 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
645 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
647 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
648 * mf-impl.h (CALL_BACKUP): New macros.
649 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
651 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
653 * Makefile.am (AM_CFLAGS): Remove optimization flags.
654 (HOOKOBJS): Remove dlopen hook.
655 (libmudflap_la_LIBADD): Add -ldl.
656 * mf-hooks.c (dlopen): Remove hook.
657 * mf-impl.h (__mf_dynamic): Ditto.
658 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
659 * Makefile.in: Regenerated.
661 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
663 * configure.in: Check for target gettimeofday, signal, some headers.
664 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
665 out inop multi_threaded field.
666 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
667 (__mf_set_options): Correct handling of "-help".
668 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
669 (__mf_check, __mf_register, __mf_unregister): Call it.
670 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
671 (__mf_report_leaks): Make callable
672 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
673 distribution statistics.
674 (__mf_adapt_cache): Rewrite shift guessing logic based on address
676 * config.h.in, configure: Regenerated.
677 * testsuite/libmudflap.c/fail27-frag.c: New test.
678 * testsuite/libmudflap.c/pass36-frag.c: New test.
680 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
682 * mf-runtime.h.in: Tweak.
683 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
684 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
685 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
687 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
689 * configure.in: Tweak generation of mf-runtime.h some more. It
690 needs to work from both config.status and configure.
691 * configure: Regenerated.
693 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
695 * Makefile.am: Reorganize hook file building. Add auto dependencies.
696 * configure.in: Tweak generation of mf-runtime.h.
697 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
698 * mf-hooks.c (*): Adapt to initialized-heap object type.
699 * mf-impl.h: Tweak cemetary boundaries.
700 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
702 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
703 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
704 * testsuite/lib/libmudflap.exp (includes): Include build tree.
705 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
707 * testsuite/.../fail{25,26}-frag.c: New tests.
708 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
709 * Makefile.in, configure: Regenerated.
711 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
713 * mf-runtime.c (__mf_set_default_options): Turn on initialization
715 (__mf_insert_new_object): As a temporary hack, assume that new
716 objects registered on the stack start out initialized.
717 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
718 heap objects by hand.
720 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
722 Switch to macro-style hooks for str*/mem*/b* functions.
723 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
724 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
725 * mf-runtime.c: #include config.h to enable glibc backtraces again.
726 (__mf_set_default_options): Turn off heur_proc_map.
727 (*): Adapt to to macro-style hook functions.
728 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
729 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
730 (__mf_violation): Handle __MF_VIOL_WATCH.
731 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
732 (__mf_dynamic): Removed mem*/str*/b* functions.
733 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
734 (WRAPPER2): New macro for macro-style hooks.
735 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
737 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
738 * mf-heuristics.c: Adapt to macro-style hook functions.
739 Correct some comments.
740 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
741 output pattern tests.
742 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
743 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
745 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
747 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
748 for global array registration.
749 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
750 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
752 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
754 * Makefile.am: Add gross make bug workarounds. Tweaked
755 SUBDIRS and AM_CFLAGS.
756 * Makefile.in: Regenerated.
758 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
761 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
762 * Makefile.am (TESTS): Remove simple automake testing.
763 * configure, Makefile.in: Regenerated.
764 (SUBDIRS): Include new testsuite/ directory.
765 * tests/*: Removed all files; moved bulk under:
766 * testsuite/*: New subdirectory tree.
767 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
768 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
769 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
770 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
771 * testsuite/config/default.exp: New file.
772 * testsuite/Makefile.am, Makefile.in: New files.
774 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
776 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
777 (TESTS): Add fail22 and pass29 tests.
778 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
779 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
780 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
781 values. Move __MF_VIOL* here.
782 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
783 (check_initialization): New field in __mf_opts. Default off.
784 (read_count,write_count): New fields in __mf_object.
785 (__mf_check): Implement basic initialization checking.
786 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
787 (__mf_describe_object): Print new fields.
788 (__mf_violation): Identify check/read vs. check/write in messages.
789 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
790 "-check-initialized" mudflap option.
791 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
792 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
793 Drop __FILE__/__LINE__ hack. Update callers.
794 (*): Adapt to new mf-runtime.h API.
795 * Makefile.in: regenerated.
797 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
799 * configure.in: Build mf-runtime.h a more proper way.
800 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
801 * mf-runtime.c (verbose_violations): Turn on by default.
802 * mf-runtime.h.in: Remove some miscellaneous stuff ...
803 * mf-impl.h: ... and move it here.
804 * configure: Regenerated.
806 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
808 * configure.in: Look for C++ compiler.
809 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
810 fixed type warnings when built with C++.
811 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
812 * Makefile.am (TESTS): Run them.
813 (*) Add new rules for building and running C++ tests.
814 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
815 * mf-runtime.h.in: Protect with extern "C".
816 * Makefile, configure: Regenerated.
818 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
820 Portability improvements.
821 * configure.in: Look for glibc backtrace headers/functions.
822 * mf-hooks.c: Don't include <execinfo.h> any more.
823 * mf-runtime.c (__mf_set_options): Call more stdlib functions
825 (__mf_backtrace): Provide alternate baby implementation in
827 * test/mf-driver.c: Portability tweaks.
828 * acinclude.m4: New file, containing top level libtool.m4.
829 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
831 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
833 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
835 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
837 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
839 (__mf_unregister): Implement stack/heap object wiping.
840 (__mf_set_options): Renamed from __mf_process_opts.
841 (__mf_uncache_object): Change arg type, correct callers.
842 * mf-impl.h: Corresponding changes.
843 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
844 * mf-runtime.h.in (__mf_set_options): Extend public API.
845 * test/pass26-frag.c: New test for stack wiping.
846 * Makefile.am (TESTS): Run it.
847 * Makefile.in: Regenerated.
849 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
851 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
852 * mf-runtime.c (__mf_object_t): Add watching_p field.
853 (__mf_watch_or_not): New function to implement
854 object watch flagging.
855 (__mf_watch, __mf_unwatch): New wrappers for above.
856 (__mf_check, __mf_describe_object): Handle objects with watching_p.
857 (__mf_count_violation): Enlarge array.
858 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
859 unlink object. Clear cache properly.
860 (__mf_unregister): Unlink object explicitly before uncaching.
861 * test/fail21-frag.c, pass25-frag.c: New tests.
862 * Makefile.in, aclocal.m4: Regenerated.
864 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
866 * test/fail20-frag.c: New test for NULL pointer dereferencing.
867 * Makefile.am (TESTS): Add it.
868 * test/pass-stratcliff.c: Add decls of stpcpy.
869 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
870 build tree from config.h and new file mf-runtime.h.in.
871 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
872 * Makefile.in, configure, config.h.in: Regenerated.
873 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
874 * mf-runtime.c (options, __mf_set_default_options): Support new
875 default "abbreviate" option.
876 (__mf_object.description_epoch): New field.
877 (__mf_describe_object): Conditionally abbreviate objects already
878 displayed in current epoch. Accept NULL input to increment epoch.
879 (__mf_fini, __mf_ini): Reset description epoch.
880 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
881 that NULL pointer slot in lookup cache is invalidated. Register a
882 NOACCESS region around NULL.
883 * mf-impl.h: Corresponding changes.
885 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
887 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
888 * Makefile.am: Run them. Install mf-runtime.h.
889 * Makefile.in: Regenerated.
890 * mf-hooks.c: Add some markers for more missing functions.
891 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
892 statistic to tune tune cache size (mask).
894 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
896 * test/pass23-frag.c: New test for bit_field_ref expressions.
897 * Makefile.am, Makefile.in: Add new test.
898 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
899 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
900 * mf-runtime.c (__mf_init): Register errno global.
901 (__mf_find_object): Removed function.
902 (__mf_check): Rewrite logic to support accesses across some
903 contiguous but distinctly registered objects.
904 (__mf_remove_old_object): Tolerate cache entries that span
907 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
909 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
910 * Makefile.am, Makefile.in: Run new tests.
911 * mf-hooks.c (alloca): Correct stack direction logic.
913 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
915 * mf-impl.h (adapt_cache): New option.
916 * mf-runtime.c (__mf_set_default_options): Set its default value.
917 Tweak the tree_aging parameter down.
918 (__mf_check): Maintain separate counter for cache-adaptation.
919 (__mf_tree_analyze): New function to collect object tree stats.
920 (__mf_adapt_cache): New function to automate cache parameters.
922 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
924 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
925 hypothetical #if-0'd argv/envp region registration.
926 * mf-runtime.c (__mf_init): Add kludged form of above.
927 (*) Add "heur_argv_environ" flag, default on, to govern this.
928 * mf-impl.h: Corresponding changes.
930 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
932 * test/fail18-frag.c: New test file for NOACCESS regions.
933 * Makefile.am (TESTS): Add new test.
934 * Makefile.in: Regenerated.
936 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
937 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
938 (optimize_object_tree): Remove unused mudflap_option.
939 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
940 support throughout. Use .._MAX_CEM for cemetary upper bound.
941 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
943 (__mf_object): Add new liveness field for use by tree aging.
944 (__mf_check): Trigger tree aging when needed.
945 (__mf_age_tree): New function to decay liveness field.
946 (__mf_find_objects_rec): Use liveness field to rotate tree.
947 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
948 (__mf_unregister): Ditto.
949 (__mf_register): Tweak duplicate-static message.
950 (__mf_violation: Tweak nearby-object counter printing.
952 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
954 * test/pass20-frag.c: New test file.
955 * Makefile.am (TESTS): Reorganize. Add pass20 test.
956 * Makefile.in: Regenerated.
958 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
959 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
960 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
961 entries to avoid repeat registration.
962 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
963 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
965 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
967 * Makefile.am: Create test sources with #include, not cat>>.
968 * Makefile.in: Regenerated.
969 * test/buildtest.sh: Removed.
970 * test/driver.c (abort_handler, main): Be quiet.
972 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
974 * test/pass18-frag.c, pass19-frag.c: New tests.
975 * Makefile.am (check): Run them. Rebuild test programs each time.
976 * Makefile.in: Regenerated.
978 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
980 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
981 overlapping object search.
982 (__mf_violation): Likewise for nearby objects.
983 Improve nearby-object listing.
986 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
987 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
989 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
992 * Makefile.am (AM_CFLAGS): New definition of needed settings.
993 (HOOKOBJS): Add alloca-hook.o.
994 * mf-hooks.c (alloca): New function to implement alloca in libiberty
996 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
997 (__mf_backtrace): Reimplement without using alloca.
998 * Makefile.in: Regenerated.
1001 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1002 Correct signedness bugs in length-tracking variables.
1003 * mf-impl.h: Make options unsigned.
1004 (CALL_WRAP): New macro to parallel CALL_REAL().
1005 (DECLARE): Remove erroneous ";" at end.
1006 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1007 formatting specs with %08lx. Correct several compiler warnings.
1009 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1011 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1013 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1015 libmudflap hook breakup:
1016 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1018 (TESTS): Make dependent on libmudflap.
1019 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1020 compiled from segments of mf-hooks.c.
1021 * mf-hooks.c: Corresponding changes: wrap each function in
1023 * Makefile.in: Regenerated.
1025 Heuristics reorganization:
1026 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1027 Remove these functions. Update callers.
1028 (__mf_heuristic_check): Incorporate all the various heuristics.
1029 Encode cacheability/retry judgement into trinary return value.
1030 Separate start-end logic into a separate fallback heuristic. Only
1031 register relevant /proc/self/map segments.
1032 * mf-impl.h: Corresponding changes.
1033 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1034 (__mf_init): Don't call __mf_init_heuristics.
1037 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1038 "-verbose-trace" to emit all tracing messages other than those of
1039 basic public api. Eliminate some duplicate/excessive messages.
1040 * mf-runtime.h: Corresponding changes.
1042 2002-08-27 Graydon Hoare <graydon@redhat.com>
1044 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1045 and __real when compiled with -DPIC.
1046 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1047 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1048 * Makefile.in: Regenerate.
1050 2002-08-26 Graydon Hoare <graydon@redhat.com>
1052 * mf-impl.h: New file, private implementation header.
1053 * mf-runtime.h: Reorganize a bit.
1054 (CLAMPSZ): Fix arithmetic.
1055 (__MF_CACHE_MISS_P): Fix arithmetic.
1056 * mf-runtime.c: Reorganize a bit.
1057 (__mf_dynamic): New structure.
1058 (resolve_single_dynamic): New function.
1059 (__mf_resolve_dynamics): New function.
1060 (__mf_init): Initialize dynamic wrappers.
1061 * mf-hooks.c: Macro-ize __real calls.
1062 Clamp various bits of arithmetic.
1063 Add explicit __mf_check call contexts.
1064 * Makefile.am: Add dependencies on mf-impl.h
1065 * Makefile.in: Regenerate.
1066 * configure.in: Comment out shared override.
1067 * configure: Regenerate.
1069 2002-08-22 Graydon Hoare <graydon@redhat.com>
1071 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1072 (__mf_check): Re-inialize and check heuristics before violation.
1073 (__mf_register): Permit updating pure-guess regions.
1074 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1075 (__wrap_dlopen): New wrapper function.
1076 (__wrap_mmap): New wrapper function.
1077 (__wrap_munmap): New wrapper function.
1078 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1079 which are not stack addresses.
1080 (is_stack_address): New function.
1081 (__mf_init_heuristics): Save and restore state, always initialize with
1084 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1086 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1087 error. Pass location string.
1088 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1089 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1090 (__mf_process_opts): Apply some sanity checking for lc-mask.
1091 (__mf_check, __mf_violation): Take new location-string argument.
1092 Update callers to pass NULL if necessary.
1093 (__mf_backtrace): New smart backtracer function. Calls replace
1094 several ad-hoc blocks elsewhere.
1095 (__mf_describe_object): Remove bad reentrancy test. Improve
1097 * mf-runtime.h: Corresponding changes. Public/private markup.
1098 (__MF_CACHE_MISS_P): New macro.
1100 2002-08-20 Graydon Hoare <graydon@redhat.com>
1102 * mf-runtime.h: New option: stack_bound (heuristic).
1103 Move some macros out of implementation files.
1104 * mf-runtime.c: New option string: -stack-bound.
1105 Unify recursion protection with hooks.
1107 (__mf_check): Call __mf_heuristic_check.
1108 (__mf_process_opts): Fix "no-" processing.
1109 * mf-heuristics.c (__mf_heuristic_check): New function.
1110 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1112 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1114 Option parsing improvements, region splitting bug fixes:
1115 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1116 * mf-runtime.h (heur_proc_map): New libmudflap option.
1117 * mf-runtime.c (__mf_set_default_options): Set it.
1118 (__mf_usage): Print default values/status.
1119 (__mf_process_opts): Support general "no-" option string prefix.
1120 (__mf_init): Print __mf_usage on unknown-option error.
1121 (__mf_register): Print trace message up front.
1122 Correct region splitting logic for case where a subregion disappears.
1123 Correct memory leak.
1124 (__mf_violation): Make even basic message conditional on option.
1127 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1128 (clean-local): New target.
1129 (test/*x rules): Add -g CFLAGS.
1130 (CFLAGS): Add -freorder-blocks.
1131 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1132 * Makefile.in: Regenerated.
1133 * Makefile, mf-config.h: Removed files.
1135 2002-08-16 Graydon Hoare <graydon@redhat.com>
1137 * mf-runtime.c (__mf_insert_new_object): Factor out of
1139 (__mf_remove_old_object): Factor out of __mf_unregister.
1140 (__mf_register): Handle guessed regions, splitting
1141 guesses when new registrations arrive.
1142 (__mf_unregister): Do not unregister guesses.
1143 * mf-runtime.h: Move convenience macros around,
1144 declare new option fields. Add __MF_TYPE_GUESS.
1145 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1146 (__wrap_free): Call __real_free for deferred frees.
1147 * Makefile.am: Add more tests, fix dependency.
1148 * Makefile.in: Regenerate.
1149 * test/pass[13..17]-frag.c: New testcases.
1150 * test/fail[13..17]-frag.c: New testcases.
1152 2002-08-15 Graydon Hoare <graydon@redhat.com>
1154 * mf-heuristics.c: New file.
1155 * mf-runtime.c (options): Add -trace-calls option.
1156 (__mf_init): Call __mf_init_heuristics.
1158 2002-08-14 Graydon Hoare <graydon@redhat.com>
1160 * Makefile.am (TESTS): Add testsuite support.
1161 * Makefile.in: Regenerate.
1162 * test/mf-driver.c: New file.
1163 * test/buildtest.sh: New file.
1164 * test/passNN-frag.c: New testcases.
1165 * test/failNN-frag.c: New testcases.
1167 2002-08-14 Graydon Hoare <graydon@redhat.com>
1169 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1170 verifying non-size-limited string extents.
1172 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1174 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1175 instead of plain str[n]len for internal checks.
1176 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1178 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1180 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1182 2002-08-13 Graydon Hoare <graydon@redhat.com>
1184 * mf-runtime.c: Rework configuration to operate on
1185 environment variable options rather than #defines
1186 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1187 (__mf_init): Set static __mf_active_p flag on startup,
1188 to inhibit mudflap wrap-based checking during crt0.s.
1189 * mf-runtime.h: Declare options structure.
1190 * mf-hooks.c: New wrappings for mem*, b*, str*
1191 libc functions (temporarily #if 0-ed out).
1193 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1195 * Makefile.am, configure.in: New files.
1196 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1197 * stamp-h.in, aclocal.m4: Ditto.
1199 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1201 * Makefile: New file.
1202 * mf-config.h: New file: runtime configuration.
1203 * mf-hooks.c: New file: interposed libc functions.
1204 * mf-runtime.c: New file: bulk of runtime.
1205 * mf-runtime.h: New file: public functions.