1 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
3 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
5 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
7 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
8 * mf-hooks2.c (strerror): Unregister previous string returned by
10 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
11 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
12 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
13 * mf-runtime.c (__mf_describe_object): Clarify object life status.
14 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
16 * configure, config.h.in: Regenerated.
18 2004-08-03 Dale Johannesen <dalej@apple.com>
20 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
22 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
24 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
25 simplified contents in all former callers.
27 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
29 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
30 the statically linked case.
32 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
34 * splay-tree.[ch]: Remove. Merge contents into ...
35 * mf-runtime.c: ... here, renaming symbols and making all functions
36 static. Remove unused min/max functions.
37 * Makefile.am: Forget about splay-tree.[ch].
38 * Makefile.in, testsuite/Makefile.in: Regenerated.
40 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
42 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
43 (__mfu_usage): Include (C) 2004.
44 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
45 here. Include a comment explaining why.
47 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
49 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
50 * mf-runtime.c (options): Give them a name.
51 (__mf_set_default_options): Set them.
52 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
53 (__mf_violation): Warning cleanup.
54 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
55 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
57 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
60 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
63 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
65 Test case for g++/15861
66 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
67 * testsuite/libmudflap.c++/ctors.exp: Driver.
68 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
69 Look only for *frag* test cases.
71 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
73 ANSI C conversion, libmudflap specialization, recursion limiting.
74 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
75 argument and indirection function pointers, update callers.
76 (splay_tree_s): Add statistics and recursion control fields
77 num_keys, max_depth, depth, rebalance_p.
78 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
79 Back out of search if it exceeds limit.
80 (splay_tree_splay): Manage recursion limiting with rebalancing as
82 (splay_tree_new): More initialization.
83 (splay_tree_rebalance): New function.
84 (splay_tree_foreach): Rewrite using nonrecursive logic.
85 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
86 Remove. Point indirect calls to mf-runtime.c's routines.
87 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
89 (splay_tree_delete, splay_tree_delete_helper): Ditto.
90 * testsuite/heap-scalestress.c: New test based on one from
91 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
93 2004-07-05 Matthias Klose <doko@debian.org>
95 * libtool-version: New.
96 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
97 Use -version-info for soname.
98 * Makefile.in: Regenerate.
99 * configure.ac: Remove libtool_VERSION macro
100 * configure: Regenerate
102 2004-07-05 Zack Weinberg <zack@codesourcery.com>
104 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
105 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
108 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
110 Splay tree implementation fork.
111 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
112 Use hard-coded comparison function for uintptr_t. Remove key/value
113 deallocation logic. Cache last splayed key for consecutive lookups.
114 * Makefile.am, Makefile.in: Use them, don't link to them.
115 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
116 (__mf_find_objects2): Flip successor/predecessor search sequence.
117 * ansidecl.h, libiberty.h: Removed dummy files.
119 2004-06-29 Nick Clifton <nickc@redhat.com>
121 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
122 * configure: Regenerate.
123 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
125 Remove spurious inclusion of <strings.h>.
127 2004-06-29 Nick Clifton <nickc@redhat.com>
129 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
130 function actually exists.
132 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
134 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
135 * config.h.in: Regenerated.
137 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
139 Adopt splay trees for object database.
140 * Makefile.am: Copy splay-tree.* from libiberty.
141 * Makefile.in, testsuite/Makefile.in: Regenerated.
142 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
143 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
144 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
145 * mf-runtime.c: Rewrite code dealing with object database to use
146 libiberty splay trees. Remove tree liveness aging option.
147 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
149 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
151 * configure.ac: New name of configure.in. Update
152 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
153 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
154 Autoconf 2.5x and Automake 1.7 or later.
155 * configure.in: Remove.
156 * configure: Regenerate.
158 * Makefile.am: Remove useless multilib rules.
159 * Makefile.in: Regenerate.
161 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
163 * .cvsignore: New file.
165 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
168 * mf-hooks2.c (semctl): Add cygwin porting hack.
170 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
173 * configure.in: Look for ctype header and glibc implementation.
174 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
175 array hooks for glibc 2.3.
176 * mf-runtime.h.in: Wrap them.
177 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
179 * testsuite/libmudflap.c/pass47-frag.c: New test.
180 * configure, config.h.in: Regenerated.
182 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
184 Portability improvements, e.g., libmudflap/15293.
185 * configure.in: Look for glibc extension functions. Look for
186 support of -f{function,data}-sections. Look for more headers.
187 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
188 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
189 mf-hooks* into usual single object per source.
190 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
191 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
192 if system doesn't provide one.
193 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
194 (pthread_create): Use it to properly GC dead thread stacks.
195 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
196 * testsuite/Makefile.am: Stop generating site.exp.
197 * testsuite/mfconfig.exp.in: New file.
198 * testsuite/config/default.exp: Load new mfconfig.exp.
199 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
200 (prune_gcc_output): Add glibc static linking warnings.
201 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
202 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
203 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
204 Regenerated with autoconf 2.57 and automake 1.7.
206 2004-06-04 Per Bothner <per@bothner.com>
208 * configure.in (LIBMUDFLAPTH): Fix thinko.
210 * configure.in: Check for more headers.
211 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
213 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
214 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
216 2004-06-01 Andreas Jaeger <aj@suse.de>
218 * configure.in: Handle multilibs, support
219 --enable-version-specific-runtime-libs.
220 * Makefile.am (lib_LTLIBRARIES): Rename to ...
221 (toolexeclib_LTLIBRARIES): this for multilib support.
222 * Makefile.in: Regenerated.
223 * configure: Regenerated.
224 * aclocal.m4: Regenerated.
225 * config.h.in: Regenerated.
226 * testsuite/Makefile.in: Regenerated.
228 2004-06-01 Andreas Jaeger <aj@suse.de>
230 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
231 multilibs, using multilib directory instead of hardcoded path.
234 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
236 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
237 * Makefile.in: Ditto.
239 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
241 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
242 * aclocal.m4, configure: Rebuilt.
244 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
246 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
247 import some build settings from libstdc++-v3 testsuite_flags.
248 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
249 changes to pass test language.
251 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
252 quicker mode-nop handling.
254 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
256 * mf-impl.h: Added libgcc license header.
258 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
260 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
261 Added libgcc license header.
262 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
263 (pthread_create): Simplify stack allocation syntax.
265 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
267 * mf-hooks2.c: Support FreeBSD.
268 (WRAP_gets): Avoid gets().
269 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
270 test unimplemented mem/str calls on FreeBSD.
271 * testsuite/libmudflap.c/pass21-frag.c: Do not include
272 <alloca.h> on FreeBSD.
274 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
276 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
277 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
278 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
279 flags for static linking permutation.
280 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
281 some pthreads code that croaks on linux glibc tls.
283 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
285 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
287 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
289 * testsuite/libmudflap.c/pass44-frag.c: New test.
291 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
293 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
295 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
297 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
299 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
301 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
303 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
306 * configure.in: Add check for see if
307 socklen_t typedef is in sys/socket.h.
308 * mf-hooks1.c: Add define if socklen_t
310 * mf-hooks2.c: Likewise.
311 * mf-hooks3.c: Likewise.
312 * config.h.in: Regen.
315 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
317 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
318 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
320 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
321 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
322 (unoptimized) allocation of stack space.
324 2003-12-07 Richard Henderson <rth@redhat.com>
326 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
327 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
329 2003-12-06 Andrew Pinski <apinski@apple.com>
331 partial PR libmudflap/12670
332 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
333 * mf-hooks2.c: Likewise.
334 * mf-hooks3.c: Likewise.
336 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
339 * mf-runtime.h.in: Switch to #pragma redefine_extname for
340 symbols interposed at compile time.
341 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
344 * mf-hooks2.c (semctl): Tolerate FreeBSD.
346 * configure.in: Reorganize check for <pthread.h>.
347 * configure: Regenerated.
349 2003-11-04 David Edelsohn <edelsohn@gnu.org>
351 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
352 (_LARGE_FILE_API): Define for AIX.
353 * mf-hooks[123]: Same.
354 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
356 2003-10-21 David Edelsohn <edelsohn@gnu.org>
358 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
360 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
362 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
364 * configure.in: Update check for union semun.
366 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
369 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
371 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
374 * configure.in: Add checks for 64-bit LFS functions, struct semun
375 definition, for BSD compatibility.
376 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
377 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
378 * mf-hooks3.c: Ditto.
379 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
381 * configure, config.h.in: Regenerated.
383 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
385 Multithreading fixes:
386 * mf-runtime.c (__mf_object): Store allocating/deallocating
388 (options): Support new "-thread-stack" option.
389 Rename "-heur-argv-environ" option to "-heur-stdlib".
390 Disable "-lc-mask" and "-lc-shift" options.
391 (__mf_dynamic): Add function pointers for pthread_join/_exit.
392 (__assert_fail): New self-contained function for glibc.
393 * mf-hooks3.c: Essentially rewritten, particularly related to
394 use of __mf_pthread_info array.
395 (pthread_join, _exit): New hook functions.
396 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
397 * testsuite/libmudflap.cth/pass40-frag.c: New test.
400 * mf-heuristics.c: Add type casts for tracing, sub calls.
401 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
402 Update all callers to declare explicit result holder.
403 (END_PROTECT): Removed.
404 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
406 2003-07-15 Diego Novillo <dnovillo@redhat.com>
408 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
409 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
410 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
412 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
414 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
416 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
417 Move these macros from old mf-hooks.c here.
418 * Makefile.am: Adapt to split-up hook sources for faster builds.
419 * Makefile.in: Regenerated.
421 * mf-heuristics.c: Remove #if-0 block.
423 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
424 (__mf_starting_p): New state only for use while dlsym bootstrapping.
425 (CALL_REAL, __mf_init): Corresponding changes.
426 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
427 all callers to remove redundant "mf:" prefix.
428 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
429 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
430 (__mf_pthread_info): Become a hash table.
432 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
433 "dg-repetitions" directives to control test case execution.
434 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
436 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
438 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
440 * mf-hooks.c (alloca): Separate into stub.
441 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
442 malloc/free for alloca blocks.
443 (pthread_create): Tolerate failing pthread_attr_get* calls.
444 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
445 * mf-impl.h (CALL_WRAP): Remove macro.
446 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
447 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
448 padding for ia64 BIT_FIELD_REF constructs.
450 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
452 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
453 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
454 libmudflap object type.
455 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
456 crashes on unregistering STATIC objects.
458 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
460 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
461 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
462 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
463 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
464 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
465 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
466 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
467 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
468 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
469 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
470 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
471 (accept, bind, connect, gethostname, sethostname): New hooks.
472 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
473 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
474 (semop, semctl, shmctl, shmat, shmdt): New hooks.
475 * mf-runtime.h.in: Corresponding changes.
476 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
477 (opts) Rename heur_argv_environ to heur_std_data.
478 (__mf_wrap_main): Use STATIC type for argv/environ strings.
479 * Makefile.am: Corresponding changes.
480 * Makefile.in: Regenerated.
482 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
484 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
485 heuristic for threaded case, and for non-x86-linux targets.
486 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
487 for use during pre-main() program startup.
488 (__mf_0fn_*): Make these functions non-static.
489 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
491 * mf-runtime.c (__mf_state): Set initial state to "starting".
492 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
493 (__wrap_main): New function to register argv[] and environ[] strings.
495 (*): In all trace functions, use "%p" as formatter for uintptr_t.
497 * testsuite/libmudflap.c/pass38-frag.c: New test case.
498 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
500 * acinclude.m4: Add comments with aoliva's concerns about x86_64
502 * aclocal.m4, configure: Regenerated.
504 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
506 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
507 * aclocal.m4, configure: Regenerated.
509 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
511 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
512 for x86_64 target. Disable caching for this value.
513 * aclocal.m4, configure: Regenerated.
515 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
517 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
518 is about to become deprecated, and its present handling bugs are
521 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
523 * testsuite/libmudflap.c/pass38-frag.c: New test for
526 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
528 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
529 __mf_report, asserting reentrant calling context.
531 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
533 * mf-hooks.c (realloc): Correct reentrancy logic.
534 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
536 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
538 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
539 PTHREAD_THREADS_MAX. Update users.
540 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
542 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
543 with libmudflapth presence indicator.
544 * testsuite/Makefile.in: Regenerated.
546 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
548 * Makefile.am (AM_CFLAGS): Remove "-ansi".
549 * configure.in: Remove silly no-pthreads => no-shared logic.
550 * Makefile.in, configure: Regenerated.
551 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
552 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
553 code. Count reentrancy events.
554 (all hook functions): Don't directly manipulate __mf_state variable.
555 Add TRACE calls to hook functions without them.
556 * mf-impl.h (LOCKTH): Try to count lock contention events.
557 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
558 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
559 Reorganize reentrancy code.
560 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
561 identify reentrancy with mutex holding times.
562 (internal __mfu_ entry points): Remove internal reentrancy code.
563 (__mf_init): Use ordinary locked calls.
564 (__mfu_report): Print the two new counts.
565 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
566 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
567 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
568 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
571 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
573 * configure.in: Add pthread support, plus glibc and porting hacks.
574 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
575 from objects built into ./pth/.
576 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
577 functions for internal entry points. Update callers to pick
578 locked vs. unlocked variants.
579 (__mf_resolve_single_dynamic): Extend to support symbol versioning
580 info coming in from a static data structure.
581 (*): Reorder miscellaneous declarations to group data vs functions.
582 (__mf_set_default_options): Simplify.
583 (__mf_usage): Mention threading status of host executable.
584 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
585 decls to match above.
586 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
587 * mf-heuristics.c: Choose between locked/unlocked calls. Add
588 some lock/unlock markers. Remove some unused code.
590 (pthread_create): New hook function.
591 (__mf_pthread_cleanup, _spawner): New helper functions.
592 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
594 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
596 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
598 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
600 * Makefile.am (HOOKOBJS): Add *time related hooks.
601 * configure.in: Look for pthreads.h header.
602 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
603 * mf-runtime.c: Begin sketching some pthreads support.
604 (__mf_usage): Check for -lpthread presence.
605 (__mf_unregister): Confirm matching unregistration base.
606 (__mf_find_objects_rec): Reduce unnecessary recursion.
607 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
608 #defines for new hook functions.
609 * mf-impl.h: Corresponding changes.
610 * config.h.in, configure, Makefile.in: Regenerated.
612 2002-04-27 Diego Novillo <dnovillo@redhat.com>
614 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
615 modifiers to prevent being optimized away.
616 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
617 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
618 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
619 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
620 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
621 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
622 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
624 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
626 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
627 * configure.in: Look for uintptr_t and -ldl on target.
628 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
629 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
630 * testsuite/Makefile.in: Regenerated.
631 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
632 for better C compliance.
634 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
636 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
638 * mf-runtime.c (__mf_set_default_options): Turn off
639 check-initialization.
640 (__mf_describe_object): Shorten description.
641 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
643 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
645 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
647 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
649 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
651 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
652 * mf-impl.h (CALL_BACKUP): New macros.
653 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
655 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
657 * Makefile.am (AM_CFLAGS): Remove optimization flags.
658 (HOOKOBJS): Remove dlopen hook.
659 (libmudflap_la_LIBADD): Add -ldl.
660 * mf-hooks.c (dlopen): Remove hook.
661 * mf-impl.h (__mf_dynamic): Ditto.
662 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
663 * Makefile.in: Regenerated.
665 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
667 * configure.in: Check for target gettimeofday, signal, some headers.
668 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
669 out inop multi_threaded field.
670 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
671 (__mf_set_options): Correct handling of "-help".
672 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
673 (__mf_check, __mf_register, __mf_unregister): Call it.
674 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
675 (__mf_report_leaks): Make callable
676 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
677 distribution statistics.
678 (__mf_adapt_cache): Rewrite shift guessing logic based on address
680 * config.h.in, configure: Regenerated.
681 * testsuite/libmudflap.c/fail27-frag.c: New test.
682 * testsuite/libmudflap.c/pass36-frag.c: New test.
684 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
686 * mf-runtime.h.in: Tweak.
687 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
688 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
689 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
691 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
693 * configure.in: Tweak generation of mf-runtime.h some more. It
694 needs to work from both config.status and configure.
695 * configure: Regenerated.
697 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
699 * Makefile.am: Reorganize hook file building. Add auto dependencies.
700 * configure.in: Tweak generation of mf-runtime.h.
701 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
702 * mf-hooks.c (*): Adapt to initialized-heap object type.
703 * mf-impl.h: Tweak cemetary boundaries.
704 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
706 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
707 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
708 * testsuite/lib/libmudflap.exp (includes): Include build tree.
709 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
711 * testsuite/.../fail{25,26}-frag.c: New tests.
712 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
713 * Makefile.in, configure: Regenerated.
715 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
717 * mf-runtime.c (__mf_set_default_options): Turn on initialization
719 (__mf_insert_new_object): As a temporary hack, assume that new
720 objects registered on the stack start out initialized.
721 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
722 heap objects by hand.
724 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
726 Switch to macro-style hooks for str*/mem*/b* functions.
727 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
728 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
729 * mf-runtime.c: #include config.h to enable glibc backtraces again.
730 (__mf_set_default_options): Turn off heur_proc_map.
731 (*): Adapt to to macro-style hook functions.
732 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
733 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
734 (__mf_violation): Handle __MF_VIOL_WATCH.
735 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
736 (__mf_dynamic): Removed mem*/str*/b* functions.
737 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
738 (WRAPPER2): New macro for macro-style hooks.
739 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
741 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
742 * mf-heuristics.c: Adapt to macro-style hook functions.
743 Correct some comments.
744 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
745 output pattern tests.
746 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
747 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
749 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
751 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
752 for global array registration.
753 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
754 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
756 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
758 * Makefile.am: Add gross make bug workarounds. Tweaked
759 SUBDIRS and AM_CFLAGS.
760 * Makefile.in: Regenerated.
762 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
765 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
766 * Makefile.am (TESTS): Remove simple automake testing.
767 * configure, Makefile.in: Regenerated.
768 (SUBDIRS): Include new testsuite/ directory.
769 * tests/*: Removed all files; moved bulk under:
770 * testsuite/*: New subdirectory tree.
771 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
772 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
773 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
774 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
775 * testsuite/config/default.exp: New file.
776 * testsuite/Makefile.am, Makefile.in: New files.
778 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
780 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
781 (TESTS): Add fail22 and pass29 tests.
782 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
783 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
784 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
785 values. Move __MF_VIOL* here.
786 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
787 (check_initialization): New field in __mf_opts. Default off.
788 (read_count,write_count): New fields in __mf_object.
789 (__mf_check): Implement basic initialization checking.
790 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
791 (__mf_describe_object): Print new fields.
792 (__mf_violation): Identify check/read vs. check/write in messages.
793 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
794 "-check-initialized" mudflap option.
795 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
796 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
797 Drop __FILE__/__LINE__ hack. Update callers.
798 (*): Adapt to new mf-runtime.h API.
799 * Makefile.in: regenerated.
801 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
803 * configure.in: Build mf-runtime.h a more proper way.
804 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
805 * mf-runtime.c (verbose_violations): Turn on by default.
806 * mf-runtime.h.in: Remove some miscellaneous stuff ...
807 * mf-impl.h: ... and move it here.
808 * configure: Regenerated.
810 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
812 * configure.in: Look for C++ compiler.
813 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
814 fixed type warnings when built with C++.
815 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
816 * Makefile.am (TESTS): Run them.
817 (*) Add new rules for building and running C++ tests.
818 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
819 * mf-runtime.h.in: Protect with extern "C".
820 * Makefile, configure: Regenerated.
822 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
824 Portability improvements.
825 * configure.in: Look for glibc backtrace headers/functions.
826 * mf-hooks.c: Don't include <execinfo.h> any more.
827 * mf-runtime.c (__mf_set_options): Call more stdlib functions
829 (__mf_backtrace): Provide alternate baby implementation in
831 * test/mf-driver.c: Portability tweaks.
832 * acinclude.m4: New file, containing top level libtool.m4.
833 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
835 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
837 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
839 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
841 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
843 (__mf_unregister): Implement stack/heap object wiping.
844 (__mf_set_options): Renamed from __mf_process_opts.
845 (__mf_uncache_object): Change arg type, correct callers.
846 * mf-impl.h: Corresponding changes.
847 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
848 * mf-runtime.h.in (__mf_set_options): Extend public API.
849 * test/pass26-frag.c: New test for stack wiping.
850 * Makefile.am (TESTS): Run it.
851 * Makefile.in: Regenerated.
853 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
855 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
856 * mf-runtime.c (__mf_object_t): Add watching_p field.
857 (__mf_watch_or_not): New function to implement
858 object watch flagging.
859 (__mf_watch, __mf_unwatch): New wrappers for above.
860 (__mf_check, __mf_describe_object): Handle objects with watching_p.
861 (__mf_count_violation): Enlarge array.
862 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
863 unlink object. Clear cache properly.
864 (__mf_unregister): Unlink object explicitly before uncaching.
865 * test/fail21-frag.c, pass25-frag.c: New tests.
866 * Makefile.in, aclocal.m4: Regenerated.
868 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
870 * test/fail20-frag.c: New test for NULL pointer dereferencing.
871 * Makefile.am (TESTS): Add it.
872 * test/pass-stratcliff.c: Add decls of stpcpy.
873 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
874 build tree from config.h and new file mf-runtime.h.in.
875 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
876 * Makefile.in, configure, config.h.in: Regenerated.
877 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
878 * mf-runtime.c (options, __mf_set_default_options): Support new
879 default "abbreviate" option.
880 (__mf_object.description_epoch): New field.
881 (__mf_describe_object): Conditionally abbreviate objects already
882 displayed in current epoch. Accept NULL input to increment epoch.
883 (__mf_fini, __mf_ini): Reset description epoch.
884 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
885 that NULL pointer slot in lookup cache is invalidated. Register a
886 NOACCESS region around NULL.
887 * mf-impl.h: Corresponding changes.
889 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
891 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
892 * Makefile.am: Run them. Install mf-runtime.h.
893 * Makefile.in: Regenerated.
894 * mf-hooks.c: Add some markers for more missing functions.
895 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
896 statistic to tune tune cache size (mask).
898 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
900 * test/pass23-frag.c: New test for bit_field_ref expressions.
901 * Makefile.am, Makefile.in: Add new test.
902 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
903 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
904 * mf-runtime.c (__mf_init): Register errno global.
905 (__mf_find_object): Removed function.
906 (__mf_check): Rewrite logic to support accesses across some
907 contiguous but distinctly registered objects.
908 (__mf_remove_old_object): Tolerate cache entries that span
911 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
913 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
914 * Makefile.am, Makefile.in: Run new tests.
915 * mf-hooks.c (alloca): Correct stack direction logic.
917 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
919 * mf-impl.h (adapt_cache): New option.
920 * mf-runtime.c (__mf_set_default_options): Set its default value.
921 Tweak the tree_aging parameter down.
922 (__mf_check): Maintain separate counter for cache-adaptation.
923 (__mf_tree_analyze): New function to collect object tree stats.
924 (__mf_adapt_cache): New function to automate cache parameters.
926 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
928 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
929 hypothetical #if-0'd argv/envp region registration.
930 * mf-runtime.c (__mf_init): Add kludged form of above.
931 (*) Add "heur_argv_environ" flag, default on, to govern this.
932 * mf-impl.h: Corresponding changes.
934 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
936 * test/fail18-frag.c: New test file for NOACCESS regions.
937 * Makefile.am (TESTS): Add new test.
938 * Makefile.in: Regenerated.
940 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
941 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
942 (optimize_object_tree): Remove unused mudflap_option.
943 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
944 support throughout. Use .._MAX_CEM for cemetary upper bound.
945 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
947 (__mf_object): Add new liveness field for use by tree aging.
948 (__mf_check): Trigger tree aging when needed.
949 (__mf_age_tree): New function to decay liveness field.
950 (__mf_find_objects_rec): Use liveness field to rotate tree.
951 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
952 (__mf_unregister): Ditto.
953 (__mf_register): Tweak duplicate-static message.
954 (__mf_violation: Tweak nearby-object counter printing.
956 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
958 * test/pass20-frag.c: New test file.
959 * Makefile.am (TESTS): Reorganize. Add pass20 test.
960 * Makefile.in: Regenerated.
962 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
963 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
964 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
965 entries to avoid repeat registration.
966 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
967 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
969 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
971 * Makefile.am: Create test sources with #include, not cat>>.
972 * Makefile.in: Regenerated.
973 * test/buildtest.sh: Removed.
974 * test/driver.c (abort_handler, main): Be quiet.
976 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
978 * test/pass18-frag.c, pass19-frag.c: New tests.
979 * Makefile.am (check): Run them. Rebuild test programs each time.
980 * Makefile.in: Regenerated.
982 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
984 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
985 overlapping object search.
986 (__mf_violation): Likewise for nearby objects.
987 Improve nearby-object listing.
990 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
991 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
993 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
996 * Makefile.am (AM_CFLAGS): New definition of needed settings.
997 (HOOKOBJS): Add alloca-hook.o.
998 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1000 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1001 (__mf_backtrace): Reimplement without using alloca.
1002 * Makefile.in: Regenerated.
1005 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1006 Correct signedness bugs in length-tracking variables.
1007 * mf-impl.h: Make options unsigned.
1008 (CALL_WRAP): New macro to parallel CALL_REAL().
1009 (DECLARE): Remove erroneous ";" at end.
1010 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1011 formatting specs with %08lx. Correct several compiler warnings.
1013 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1015 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1017 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1019 libmudflap hook breakup:
1020 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1022 (TESTS): Make dependent on libmudflap.
1023 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1024 compiled from segments of mf-hooks.c.
1025 * mf-hooks.c: Corresponding changes: wrap each function in
1027 * Makefile.in: Regenerated.
1029 Heuristics reorganization:
1030 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1031 Remove these functions. Update callers.
1032 (__mf_heuristic_check): Incorporate all the various heuristics.
1033 Encode cacheability/retry judgement into trinary return value.
1034 Separate start-end logic into a separate fallback heuristic. Only
1035 register relevant /proc/self/map segments.
1036 * mf-impl.h: Corresponding changes.
1037 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1038 (__mf_init): Don't call __mf_init_heuristics.
1041 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1042 "-verbose-trace" to emit all tracing messages other than those of
1043 basic public api. Eliminate some duplicate/excessive messages.
1044 * mf-runtime.h: Corresponding changes.
1046 2002-08-27 Graydon Hoare <graydon@redhat.com>
1048 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1049 and __real when compiled with -DPIC.
1050 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1051 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1052 * Makefile.in: Regenerate.
1054 2002-08-26 Graydon Hoare <graydon@redhat.com>
1056 * mf-impl.h: New file, private implementation header.
1057 * mf-runtime.h: Reorganize a bit.
1058 (CLAMPSZ): Fix arithmetic.
1059 (__MF_CACHE_MISS_P): Fix arithmetic.
1060 * mf-runtime.c: Reorganize a bit.
1061 (__mf_dynamic): New structure.
1062 (resolve_single_dynamic): New function.
1063 (__mf_resolve_dynamics): New function.
1064 (__mf_init): Initialize dynamic wrappers.
1065 * mf-hooks.c: Macro-ize __real calls.
1066 Clamp various bits of arithmetic.
1067 Add explicit __mf_check call contexts.
1068 * Makefile.am: Add dependencies on mf-impl.h
1069 * Makefile.in: Regenerate.
1070 * configure.in: Comment out shared override.
1071 * configure: Regenerate.
1073 2002-08-22 Graydon Hoare <graydon@redhat.com>
1075 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1076 (__mf_check): Re-inialize and check heuristics before violation.
1077 (__mf_register): Permit updating pure-guess regions.
1078 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1079 (__wrap_dlopen): New wrapper function.
1080 (__wrap_mmap): New wrapper function.
1081 (__wrap_munmap): New wrapper function.
1082 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1083 which are not stack addresses.
1084 (is_stack_address): New function.
1085 (__mf_init_heuristics): Save and restore state, always initialize with
1088 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1090 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1091 error. Pass location string.
1092 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1093 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1094 (__mf_process_opts): Apply some sanity checking for lc-mask.
1095 (__mf_check, __mf_violation): Take new location-string argument.
1096 Update callers to pass NULL if necessary.
1097 (__mf_backtrace): New smart backtracer function. Calls replace
1098 several ad-hoc blocks elsewhere.
1099 (__mf_describe_object): Remove bad reentrancy test. Improve
1101 * mf-runtime.h: Corresponding changes. Public/private markup.
1102 (__MF_CACHE_MISS_P): New macro.
1104 2002-08-20 Graydon Hoare <graydon@redhat.com>
1106 * mf-runtime.h: New option: stack_bound (heuristic).
1107 Move some macros out of implementation files.
1108 * mf-runtime.c: New option string: -stack-bound.
1109 Unify recursion protection with hooks.
1111 (__mf_check): Call __mf_heuristic_check.
1112 (__mf_process_opts): Fix "no-" processing.
1113 * mf-heuristics.c (__mf_heuristic_check): New function.
1114 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1116 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1118 Option parsing improvements, region splitting bug fixes:
1119 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1120 * mf-runtime.h (heur_proc_map): New libmudflap option.
1121 * mf-runtime.c (__mf_set_default_options): Set it.
1122 (__mf_usage): Print default values/status.
1123 (__mf_process_opts): Support general "no-" option string prefix.
1124 (__mf_init): Print __mf_usage on unknown-option error.
1125 (__mf_register): Print trace message up front.
1126 Correct region splitting logic for case where a subregion disappears.
1127 Correct memory leak.
1128 (__mf_violation): Make even basic message conditional on option.
1131 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1132 (clean-local): New target.
1133 (test/*x rules): Add -g CFLAGS.
1134 (CFLAGS): Add -freorder-blocks.
1135 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1136 * Makefile.in: Regenerated.
1137 * Makefile, mf-config.h: Removed files.
1139 2002-08-16 Graydon Hoare <graydon@redhat.com>
1141 * mf-runtime.c (__mf_insert_new_object): Factor out of
1143 (__mf_remove_old_object): Factor out of __mf_unregister.
1144 (__mf_register): Handle guessed regions, splitting
1145 guesses when new registrations arrive.
1146 (__mf_unregister): Do not unregister guesses.
1147 * mf-runtime.h: Move convenience macros around,
1148 declare new option fields. Add __MF_TYPE_GUESS.
1149 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1150 (__wrap_free): Call __real_free for deferred frees.
1151 * Makefile.am: Add more tests, fix dependency.
1152 * Makefile.in: Regenerate.
1153 * test/pass[13..17]-frag.c: New testcases.
1154 * test/fail[13..17]-frag.c: New testcases.
1156 2002-08-15 Graydon Hoare <graydon@redhat.com>
1158 * mf-heuristics.c: New file.
1159 * mf-runtime.c (options): Add -trace-calls option.
1160 (__mf_init): Call __mf_init_heuristics.
1162 2002-08-14 Graydon Hoare <graydon@redhat.com>
1164 * Makefile.am (TESTS): Add testsuite support.
1165 * Makefile.in: Regenerate.
1166 * test/mf-driver.c: New file.
1167 * test/buildtest.sh: New file.
1168 * test/passNN-frag.c: New testcases.
1169 * test/failNN-frag.c: New testcases.
1171 2002-08-14 Graydon Hoare <graydon@redhat.com>
1173 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1174 verifying non-size-limited string extents.
1176 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1178 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1179 instead of plain str[n]len for internal checks.
1180 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1182 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1184 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1186 2002-08-13 Graydon Hoare <graydon@redhat.com>
1188 * mf-runtime.c: Rework configuration to operate on
1189 environment variable options rather than #defines
1190 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1191 (__mf_init): Set static __mf_active_p flag on startup,
1192 to inhibit mudflap wrap-based checking during crt0.s.
1193 * mf-runtime.h: Declare options structure.
1194 * mf-hooks.c: New wrappings for mem*, b*, str*
1195 libc functions (temporarily #if 0-ed out).
1197 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1199 * Makefile.am, configure.in: New files.
1200 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1201 * stamp-h.in, aclocal.m4: Ditto.
1203 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1205 * Makefile: New file.
1206 * mf-config.h: New file: runtime configuration.
1207 * mf-hooks.c: New file: interposed libc functions.
1208 * mf-runtime.c: New file: bulk of runtime.
1209 * mf-runtime.h: New file: public functions.