1 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
5 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
7 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
8 * testsuite/Makefile.in: Likewise.
10 2004-11-01 Andreas Schwab <schwab@suse.de>
12 * configure.ac: (target_alias): Default to $host_alias, not
14 * configure: Regenerated.
16 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
18 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
19 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
22 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
25 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
27 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
29 * configure.ac: Check for more headers, functions.
30 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
31 tracking overridden FILE buffers.
32 (fopen, setvbuf): New/revised hook functions for buffer overriding.
33 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
34 (fflush): Accept given NULL stream (means "all streams").
36 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
38 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
39 (__mf_adapt_cache): Use them all.
40 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
41 * testsuite/libmudflap.c++/ctors.exp: Ditto.
42 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
43 * configure, config.h.in: Regenerated.
45 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
47 * configure.ac: Checking for sys/socket.h once is enough.
48 * configure: Regenerated.
50 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
52 * configure.ac: Look for more headers & functions.
53 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
54 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
55 * mf-runtime.c (options): Clean up integer signedness warnings.
56 (main): Add a declaration to fix a warning.
57 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
58 * configure, config.h.in: Regenerated.
60 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
62 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
63 New tests for proper base/limit checking for aggregates.
65 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
67 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
69 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
71 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
72 * mf-hooks2.c (strerror): Unregister previous string returned by
74 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
75 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
76 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
77 * mf-runtime.c (__mf_describe_object): Clarify object life status.
78 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
80 * configure, config.h.in: Regenerated.
82 2004-08-03 Dale Johannesen <dalej@apple.com>
84 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
86 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
88 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
89 simplified contents in all former callers.
91 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
93 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
94 the statically linked case.
96 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
98 * splay-tree.[ch]: Remove. Merge contents into ...
99 * mf-runtime.c: ... here, renaming symbols and making all functions
100 static. Remove unused min/max functions.
101 * Makefile.am: Forget about splay-tree.[ch].
102 * Makefile.in, testsuite/Makefile.in: Regenerated.
104 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
106 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
107 (__mfu_usage): Include (C) 2004.
108 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
109 here. Include a comment explaining why.
111 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
113 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
114 * mf-runtime.c (options): Give them a name.
115 (__mf_set_default_options): Set them.
116 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
117 (__mf_violation): Warning cleanup.
118 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
119 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
121 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
124 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
127 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
129 Test case for g++/15861
130 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
131 * testsuite/libmudflap.c++/ctors.exp: Driver.
132 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
133 Look only for *frag* test cases.
135 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
137 ANSI C conversion, libmudflap specialization, recursion limiting.
138 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
139 argument and indirection function pointers, update callers.
140 (splay_tree_s): Add statistics and recursion control fields
141 num_keys, max_depth, depth, rebalance_p.
142 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
143 Back out of search if it exceeds limit.
144 (splay_tree_splay): Manage recursion limiting with rebalancing as
146 (splay_tree_new): More initialization.
147 (splay_tree_rebalance): New function.
148 (splay_tree_foreach): Rewrite using nonrecursive logic.
149 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
150 Remove. Point indirect calls to mf-runtime.c's routines.
151 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
153 (splay_tree_delete, splay_tree_delete_helper): Ditto.
154 * testsuite/heap-scalestress.c: New test based on one from
155 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
157 2004-07-05 Matthias Klose <doko@debian.org>
159 * libtool-version: New.
160 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
161 Use -version-info for soname.
162 * Makefile.in: Regenerate.
163 * configure.ac: Remove libtool_VERSION macro
164 * configure: Regenerate
166 2004-07-05 Zack Weinberg <zack@codesourcery.com>
168 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
169 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
172 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
174 Splay tree implementation fork.
175 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
176 Use hard-coded comparison function for uintptr_t. Remove key/value
177 deallocation logic. Cache last splayed key for consecutive lookups.
178 * Makefile.am, Makefile.in: Use them, don't link to them.
179 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
180 (__mf_find_objects2): Flip successor/predecessor search sequence.
181 * ansidecl.h, libiberty.h: Removed dummy files.
183 2004-06-29 Nick Clifton <nickc@redhat.com>
185 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
186 * configure: Regenerate.
187 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
189 Remove spurious inclusion of <strings.h>.
191 2004-06-29 Nick Clifton <nickc@redhat.com>
193 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
194 function actually exists.
196 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
198 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
199 * config.h.in: Regenerated.
201 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
203 Adopt splay trees for object database.
204 * Makefile.am: Copy splay-tree.* from libiberty.
205 * Makefile.in, testsuite/Makefile.in: Regenerated.
206 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
207 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
208 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
209 * mf-runtime.c: Rewrite code dealing with object database to use
210 libiberty splay trees. Remove tree liveness aging option.
211 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
213 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
215 * configure.ac: New name of configure.in. Update
216 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
217 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
218 Autoconf 2.5x and Automake 1.7 or later.
219 * configure.in: Remove.
220 * configure: Regenerate.
222 * Makefile.am: Remove useless multilib rules.
223 * Makefile.in: Regenerate.
225 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
227 * .cvsignore: New file.
229 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
232 * mf-hooks2.c (semctl): Add cygwin porting hack.
234 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
237 * configure.in: Look for ctype header and glibc implementation.
238 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
239 array hooks for glibc 2.3.
240 * mf-runtime.h.in: Wrap them.
241 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
243 * testsuite/libmudflap.c/pass47-frag.c: New test.
244 * configure, config.h.in: Regenerated.
246 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
248 Portability improvements, e.g., libmudflap/15293.
249 * configure.in: Look for glibc extension functions. Look for
250 support of -f{function,data}-sections. Look for more headers.
251 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
252 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
253 mf-hooks* into usual single object per source.
254 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
255 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
256 if system doesn't provide one.
257 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
258 (pthread_create): Use it to properly GC dead thread stacks.
259 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
260 * testsuite/Makefile.am: Stop generating site.exp.
261 * testsuite/mfconfig.exp.in: New file.
262 * testsuite/config/default.exp: Load new mfconfig.exp.
263 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
264 (prune_gcc_output): Add glibc static linking warnings.
265 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
266 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
267 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
268 Regenerated with autoconf 2.57 and automake 1.7.
270 2004-06-04 Per Bothner <per@bothner.com>
272 * configure.in (LIBMUDFLAPTH): Fix thinko.
274 * configure.in: Check for more headers.
275 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
277 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
278 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
280 2004-06-01 Andreas Jaeger <aj@suse.de>
282 * configure.in: Handle multilibs, support
283 --enable-version-specific-runtime-libs.
284 * Makefile.am (lib_LTLIBRARIES): Rename to ...
285 (toolexeclib_LTLIBRARIES): this for multilib support.
286 * Makefile.in: Regenerated.
287 * configure: Regenerated.
288 * aclocal.m4: Regenerated.
289 * config.h.in: Regenerated.
290 * testsuite/Makefile.in: Regenerated.
292 2004-06-01 Andreas Jaeger <aj@suse.de>
294 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
295 multilibs, using multilib directory instead of hardcoded path.
298 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
300 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
301 * Makefile.in: Ditto.
303 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
305 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
306 * aclocal.m4, configure: Rebuilt.
308 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
310 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
311 import some build settings from libstdc++-v3 testsuite_flags.
312 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
313 changes to pass test language.
315 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
316 quicker mode-nop handling.
318 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
320 * mf-impl.h: Added libgcc license header.
322 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
324 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
325 Added libgcc license header.
326 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
327 (pthread_create): Simplify stack allocation syntax.
329 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
331 * mf-hooks2.c: Support FreeBSD.
332 (WRAP_gets): Avoid gets().
333 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
334 test unimplemented mem/str calls on FreeBSD.
335 * testsuite/libmudflap.c/pass21-frag.c: Do not include
336 <alloca.h> on FreeBSD.
338 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
340 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
341 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
342 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
343 flags for static linking permutation.
344 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
345 some pthreads code that croaks on linux glibc tls.
347 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
349 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
351 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
353 * testsuite/libmudflap.c/pass44-frag.c: New test.
355 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
357 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
359 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
361 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
363 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
365 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
367 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
370 * configure.in: Add check for see if
371 socklen_t typedef is in sys/socket.h.
372 * mf-hooks1.c: Add define if socklen_t
374 * mf-hooks2.c: Likewise.
375 * mf-hooks3.c: Likewise.
376 * config.h.in: Regen.
379 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
381 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
382 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
384 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
385 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
386 (unoptimized) allocation of stack space.
388 2003-12-07 Richard Henderson <rth@redhat.com>
390 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
391 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
393 2003-12-06 Andrew Pinski <apinski@apple.com>
395 partial PR libmudflap/12670
396 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
397 * mf-hooks2.c: Likewise.
398 * mf-hooks3.c: Likewise.
400 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
403 * mf-runtime.h.in: Switch to #pragma redefine_extname for
404 symbols interposed at compile time.
405 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
408 * mf-hooks2.c (semctl): Tolerate FreeBSD.
410 * configure.in: Reorganize check for <pthread.h>.
411 * configure: Regenerated.
413 2003-11-04 David Edelsohn <edelsohn@gnu.org>
415 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
416 (_LARGE_FILE_API): Define for AIX.
417 * mf-hooks[123]: Same.
418 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
420 2003-10-21 David Edelsohn <edelsohn@gnu.org>
422 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
424 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
426 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
428 * configure.in: Update check for union semun.
430 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
433 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
435 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
438 * configure.in: Add checks for 64-bit LFS functions, struct semun
439 definition, for BSD compatibility.
440 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
441 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
442 * mf-hooks3.c: Ditto.
443 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
445 * configure, config.h.in: Regenerated.
447 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
449 Multithreading fixes:
450 * mf-runtime.c (__mf_object): Store allocating/deallocating
452 (options): Support new "-thread-stack" option.
453 Rename "-heur-argv-environ" option to "-heur-stdlib".
454 Disable "-lc-mask" and "-lc-shift" options.
455 (__mf_dynamic): Add function pointers for pthread_join/_exit.
456 (__assert_fail): New self-contained function for glibc.
457 * mf-hooks3.c: Essentially rewritten, particularly related to
458 use of __mf_pthread_info array.
459 (pthread_join, _exit): New hook functions.
460 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
461 * testsuite/libmudflap.cth/pass40-frag.c: New test.
464 * mf-heuristics.c: Add type casts for tracing, sub calls.
465 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
466 Update all callers to declare explicit result holder.
467 (END_PROTECT): Removed.
468 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
470 2003-07-15 Diego Novillo <dnovillo@redhat.com>
472 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
473 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
474 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
476 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
478 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
480 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
481 Move these macros from old mf-hooks.c here.
482 * Makefile.am: Adapt to split-up hook sources for faster builds.
483 * Makefile.in: Regenerated.
485 * mf-heuristics.c: Remove #if-0 block.
487 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
488 (__mf_starting_p): New state only for use while dlsym bootstrapping.
489 (CALL_REAL, __mf_init): Corresponding changes.
490 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
491 all callers to remove redundant "mf:" prefix.
492 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
493 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
494 (__mf_pthread_info): Become a hash table.
496 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
497 "dg-repetitions" directives to control test case execution.
498 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
500 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
502 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
504 * mf-hooks.c (alloca): Separate into stub.
505 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
506 malloc/free for alloca blocks.
507 (pthread_create): Tolerate failing pthread_attr_get* calls.
508 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
509 * mf-impl.h (CALL_WRAP): Remove macro.
510 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
511 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
512 padding for ia64 BIT_FIELD_REF constructs.
514 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
516 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
517 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
518 libmudflap object type.
519 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
520 crashes on unregistering STATIC objects.
522 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
524 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
525 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
526 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
527 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
528 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
529 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
530 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
531 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
532 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
533 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
534 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
535 (accept, bind, connect, gethostname, sethostname): New hooks.
536 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
537 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
538 (semop, semctl, shmctl, shmat, shmdt): New hooks.
539 * mf-runtime.h.in: Corresponding changes.
540 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
541 (opts) Rename heur_argv_environ to heur_std_data.
542 (__mf_wrap_main): Use STATIC type for argv/environ strings.
543 * Makefile.am: Corresponding changes.
544 * Makefile.in: Regenerated.
546 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
548 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
549 heuristic for threaded case, and for non-x86-linux targets.
550 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
551 for use during pre-main() program startup.
552 (__mf_0fn_*): Make these functions non-static.
553 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
555 * mf-runtime.c (__mf_state): Set initial state to "starting".
556 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
557 (__wrap_main): New function to register argv[] and environ[] strings.
559 (*): In all trace functions, use "%p" as formatter for uintptr_t.
561 * testsuite/libmudflap.c/pass38-frag.c: New test case.
562 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
564 * acinclude.m4: Add comments with aoliva's concerns about x86_64
566 * aclocal.m4, configure: Regenerated.
568 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
570 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
571 * aclocal.m4, configure: Regenerated.
573 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
575 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
576 for x86_64 target. Disable caching for this value.
577 * aclocal.m4, configure: Regenerated.
579 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
581 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
582 is about to become deprecated, and its present handling bugs are
585 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
587 * testsuite/libmudflap.c/pass38-frag.c: New test for
590 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
592 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
593 __mf_report, asserting reentrant calling context.
595 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
597 * mf-hooks.c (realloc): Correct reentrancy logic.
598 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
600 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
602 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
603 PTHREAD_THREADS_MAX. Update users.
604 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
606 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
607 with libmudflapth presence indicator.
608 * testsuite/Makefile.in: Regenerated.
610 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
612 * Makefile.am (AM_CFLAGS): Remove "-ansi".
613 * configure.in: Remove silly no-pthreads => no-shared logic.
614 * Makefile.in, configure: Regenerated.
615 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
616 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
617 code. Count reentrancy events.
618 (all hook functions): Don't directly manipulate __mf_state variable.
619 Add TRACE calls to hook functions without them.
620 * mf-impl.h (LOCKTH): Try to count lock contention events.
621 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
622 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
623 Reorganize reentrancy code.
624 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
625 identify reentrancy with mutex holding times.
626 (internal __mfu_ entry points): Remove internal reentrancy code.
627 (__mf_init): Use ordinary locked calls.
628 (__mfu_report): Print the two new counts.
629 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
630 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
631 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
632 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
635 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
637 * configure.in: Add pthread support, plus glibc and porting hacks.
638 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
639 from objects built into ./pth/.
640 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
641 functions for internal entry points. Update callers to pick
642 locked vs. unlocked variants.
643 (__mf_resolve_single_dynamic): Extend to support symbol versioning
644 info coming in from a static data structure.
645 (*): Reorder miscellaneous declarations to group data vs functions.
646 (__mf_set_default_options): Simplify.
647 (__mf_usage): Mention threading status of host executable.
648 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
649 decls to match above.
650 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
651 * mf-heuristics.c: Choose between locked/unlocked calls. Add
652 some lock/unlock markers. Remove some unused code.
654 (pthread_create): New hook function.
655 (__mf_pthread_cleanup, _spawner): New helper functions.
656 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
658 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
660 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
662 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
664 * Makefile.am (HOOKOBJS): Add *time related hooks.
665 * configure.in: Look for pthreads.h header.
666 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
667 * mf-runtime.c: Begin sketching some pthreads support.
668 (__mf_usage): Check for -lpthread presence.
669 (__mf_unregister): Confirm matching unregistration base.
670 (__mf_find_objects_rec): Reduce unnecessary recursion.
671 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
672 #defines for new hook functions.
673 * mf-impl.h: Corresponding changes.
674 * config.h.in, configure, Makefile.in: Regenerated.
676 2002-04-27 Diego Novillo <dnovillo@redhat.com>
678 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
679 modifiers to prevent being optimized away.
680 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
681 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
682 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
683 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
684 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
685 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
686 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
688 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
690 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
691 * configure.in: Look for uintptr_t and -ldl on target.
692 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
693 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
694 * testsuite/Makefile.in: Regenerated.
695 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
696 for better C compliance.
698 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
700 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
702 * mf-runtime.c (__mf_set_default_options): Turn off
703 check-initialization.
704 (__mf_describe_object): Shorten description.
705 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
707 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
709 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
711 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
713 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
715 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
716 * mf-impl.h (CALL_BACKUP): New macros.
717 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
719 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
721 * Makefile.am (AM_CFLAGS): Remove optimization flags.
722 (HOOKOBJS): Remove dlopen hook.
723 (libmudflap_la_LIBADD): Add -ldl.
724 * mf-hooks.c (dlopen): Remove hook.
725 * mf-impl.h (__mf_dynamic): Ditto.
726 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
727 * Makefile.in: Regenerated.
729 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
731 * configure.in: Check for target gettimeofday, signal, some headers.
732 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
733 out inop multi_threaded field.
734 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
735 (__mf_set_options): Correct handling of "-help".
736 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
737 (__mf_check, __mf_register, __mf_unregister): Call it.
738 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
739 (__mf_report_leaks): Make callable
740 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
741 distribution statistics.
742 (__mf_adapt_cache): Rewrite shift guessing logic based on address
744 * config.h.in, configure: Regenerated.
745 * testsuite/libmudflap.c/fail27-frag.c: New test.
746 * testsuite/libmudflap.c/pass36-frag.c: New test.
748 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
750 * mf-runtime.h.in: Tweak.
751 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
752 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
753 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
755 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
757 * configure.in: Tweak generation of mf-runtime.h some more. It
758 needs to work from both config.status and configure.
759 * configure: Regenerated.
761 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
763 * Makefile.am: Reorganize hook file building. Add auto dependencies.
764 * configure.in: Tweak generation of mf-runtime.h.
765 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
766 * mf-hooks.c (*): Adapt to initialized-heap object type.
767 * mf-impl.h: Tweak cemetary boundaries.
768 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
770 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
771 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
772 * testsuite/lib/libmudflap.exp (includes): Include build tree.
773 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
775 * testsuite/.../fail{25,26}-frag.c: New tests.
776 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
777 * Makefile.in, configure: Regenerated.
779 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
781 * mf-runtime.c (__mf_set_default_options): Turn on initialization
783 (__mf_insert_new_object): As a temporary hack, assume that new
784 objects registered on the stack start out initialized.
785 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
786 heap objects by hand.
788 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
790 Switch to macro-style hooks for str*/mem*/b* functions.
791 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
792 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
793 * mf-runtime.c: #include config.h to enable glibc backtraces again.
794 (__mf_set_default_options): Turn off heur_proc_map.
795 (*): Adapt to to macro-style hook functions.
796 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
797 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
798 (__mf_violation): Handle __MF_VIOL_WATCH.
799 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
800 (__mf_dynamic): Removed mem*/str*/b* functions.
801 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
802 (WRAPPER2): New macro for macro-style hooks.
803 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
805 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
806 * mf-heuristics.c: Adapt to macro-style hook functions.
807 Correct some comments.
808 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
809 output pattern tests.
810 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
811 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
813 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
815 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
816 for global array registration.
817 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
818 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
820 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
822 * Makefile.am: Add gross make bug workarounds. Tweaked
823 SUBDIRS and AM_CFLAGS.
824 * Makefile.in: Regenerated.
826 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
829 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
830 * Makefile.am (TESTS): Remove simple automake testing.
831 * configure, Makefile.in: Regenerated.
832 (SUBDIRS): Include new testsuite/ directory.
833 * tests/*: Removed all files; moved bulk under:
834 * testsuite/*: New subdirectory tree.
835 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
836 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
837 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
838 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
839 * testsuite/config/default.exp: New file.
840 * testsuite/Makefile.am, Makefile.in: New files.
842 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
844 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
845 (TESTS): Add fail22 and pass29 tests.
846 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
847 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
848 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
849 values. Move __MF_VIOL* here.
850 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
851 (check_initialization): New field in __mf_opts. Default off.
852 (read_count,write_count): New fields in __mf_object.
853 (__mf_check): Implement basic initialization checking.
854 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
855 (__mf_describe_object): Print new fields.
856 (__mf_violation): Identify check/read vs. check/write in messages.
857 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
858 "-check-initialized" mudflap option.
859 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
860 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
861 Drop __FILE__/__LINE__ hack. Update callers.
862 (*): Adapt to new mf-runtime.h API.
863 * Makefile.in: regenerated.
865 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
867 * configure.in: Build mf-runtime.h a more proper way.
868 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
869 * mf-runtime.c (verbose_violations): Turn on by default.
870 * mf-runtime.h.in: Remove some miscellaneous stuff ...
871 * mf-impl.h: ... and move it here.
872 * configure: Regenerated.
874 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
876 * configure.in: Look for C++ compiler.
877 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
878 fixed type warnings when built with C++.
879 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
880 * Makefile.am (TESTS): Run them.
881 (*) Add new rules for building and running C++ tests.
882 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
883 * mf-runtime.h.in: Protect with extern "C".
884 * Makefile, configure: Regenerated.
886 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
888 Portability improvements.
889 * configure.in: Look for glibc backtrace headers/functions.
890 * mf-hooks.c: Don't include <execinfo.h> any more.
891 * mf-runtime.c (__mf_set_options): Call more stdlib functions
893 (__mf_backtrace): Provide alternate baby implementation in
895 * test/mf-driver.c: Portability tweaks.
896 * acinclude.m4: New file, containing top level libtool.m4.
897 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
899 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
901 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
903 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
905 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
907 (__mf_unregister): Implement stack/heap object wiping.
908 (__mf_set_options): Renamed from __mf_process_opts.
909 (__mf_uncache_object): Change arg type, correct callers.
910 * mf-impl.h: Corresponding changes.
911 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
912 * mf-runtime.h.in (__mf_set_options): Extend public API.
913 * test/pass26-frag.c: New test for stack wiping.
914 * Makefile.am (TESTS): Run it.
915 * Makefile.in: Regenerated.
917 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
919 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
920 * mf-runtime.c (__mf_object_t): Add watching_p field.
921 (__mf_watch_or_not): New function to implement
922 object watch flagging.
923 (__mf_watch, __mf_unwatch): New wrappers for above.
924 (__mf_check, __mf_describe_object): Handle objects with watching_p.
925 (__mf_count_violation): Enlarge array.
926 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
927 unlink object. Clear cache properly.
928 (__mf_unregister): Unlink object explicitly before uncaching.
929 * test/fail21-frag.c, pass25-frag.c: New tests.
930 * Makefile.in, aclocal.m4: Regenerated.
932 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
934 * test/fail20-frag.c: New test for NULL pointer dereferencing.
935 * Makefile.am (TESTS): Add it.
936 * test/pass-stratcliff.c: Add decls of stpcpy.
937 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
938 build tree from config.h and new file mf-runtime.h.in.
939 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
940 * Makefile.in, configure, config.h.in: Regenerated.
941 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
942 * mf-runtime.c (options, __mf_set_default_options): Support new
943 default "abbreviate" option.
944 (__mf_object.description_epoch): New field.
945 (__mf_describe_object): Conditionally abbreviate objects already
946 displayed in current epoch. Accept NULL input to increment epoch.
947 (__mf_fini, __mf_ini): Reset description epoch.
948 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
949 that NULL pointer slot in lookup cache is invalidated. Register a
950 NOACCESS region around NULL.
951 * mf-impl.h: Corresponding changes.
953 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
955 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
956 * Makefile.am: Run them. Install mf-runtime.h.
957 * Makefile.in: Regenerated.
958 * mf-hooks.c: Add some markers for more missing functions.
959 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
960 statistic to tune tune cache size (mask).
962 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
964 * test/pass23-frag.c: New test for bit_field_ref expressions.
965 * Makefile.am, Makefile.in: Add new test.
966 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
967 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
968 * mf-runtime.c (__mf_init): Register errno global.
969 (__mf_find_object): Removed function.
970 (__mf_check): Rewrite logic to support accesses across some
971 contiguous but distinctly registered objects.
972 (__mf_remove_old_object): Tolerate cache entries that span
975 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
977 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
978 * Makefile.am, Makefile.in: Run new tests.
979 * mf-hooks.c (alloca): Correct stack direction logic.
981 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
983 * mf-impl.h (adapt_cache): New option.
984 * mf-runtime.c (__mf_set_default_options): Set its default value.
985 Tweak the tree_aging parameter down.
986 (__mf_check): Maintain separate counter for cache-adaptation.
987 (__mf_tree_analyze): New function to collect object tree stats.
988 (__mf_adapt_cache): New function to automate cache parameters.
990 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
992 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
993 hypothetical #if-0'd argv/envp region registration.
994 * mf-runtime.c (__mf_init): Add kludged form of above.
995 (*) Add "heur_argv_environ" flag, default on, to govern this.
996 * mf-impl.h: Corresponding changes.
998 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1000 * test/fail18-frag.c: New test file for NOACCESS regions.
1001 * Makefile.am (TESTS): Add new test.
1002 * Makefile.in: Regenerated.
1004 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1005 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1006 (optimize_object_tree): Remove unused mudflap_option.
1007 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1008 support throughout. Use .._MAX_CEM for cemetary upper bound.
1009 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1011 (__mf_object): Add new liveness field for use by tree aging.
1012 (__mf_check): Trigger tree aging when needed.
1013 (__mf_age_tree): New function to decay liveness field.
1014 (__mf_find_objects_rec): Use liveness field to rotate tree.
1015 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1016 (__mf_unregister): Ditto.
1017 (__mf_register): Tweak duplicate-static message.
1018 (__mf_violation: Tweak nearby-object counter printing.
1020 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1022 * test/pass20-frag.c: New test file.
1023 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1024 * Makefile.in: Regenerated.
1026 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1027 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1028 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1029 entries to avoid repeat registration.
1030 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1031 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1033 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1035 * Makefile.am: Create test sources with #include, not cat>>.
1036 * Makefile.in: Regenerated.
1037 * test/buildtest.sh: Removed.
1038 * test/driver.c (abort_handler, main): Be quiet.
1040 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1042 * test/pass18-frag.c, pass19-frag.c: New tests.
1043 * Makefile.am (check): Run them. Rebuild test programs each time.
1044 * Makefile.in: Regenerated.
1046 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1048 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1049 overlapping object search.
1050 (__mf_violation): Likewise for nearby objects.
1051 Improve nearby-object listing.
1054 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1055 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1057 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1060 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1061 (HOOKOBJS): Add alloca-hook.o.
1062 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1064 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1065 (__mf_backtrace): Reimplement without using alloca.
1066 * Makefile.in: Regenerated.
1069 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1070 Correct signedness bugs in length-tracking variables.
1071 * mf-impl.h: Make options unsigned.
1072 (CALL_WRAP): New macro to parallel CALL_REAL().
1073 (DECLARE): Remove erroneous ";" at end.
1074 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1075 formatting specs with %08lx. Correct several compiler warnings.
1077 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1079 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1081 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1083 libmudflap hook breakup:
1084 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1086 (TESTS): Make dependent on libmudflap.
1087 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1088 compiled from segments of mf-hooks.c.
1089 * mf-hooks.c: Corresponding changes: wrap each function in
1091 * Makefile.in: Regenerated.
1093 Heuristics reorganization:
1094 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1095 Remove these functions. Update callers.
1096 (__mf_heuristic_check): Incorporate all the various heuristics.
1097 Encode cacheability/retry judgement into trinary return value.
1098 Separate start-end logic into a separate fallback heuristic. Only
1099 register relevant /proc/self/map segments.
1100 * mf-impl.h: Corresponding changes.
1101 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1102 (__mf_init): Don't call __mf_init_heuristics.
1105 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1106 "-verbose-trace" to emit all tracing messages other than those of
1107 basic public api. Eliminate some duplicate/excessive messages.
1108 * mf-runtime.h: Corresponding changes.
1110 2002-08-27 Graydon Hoare <graydon@redhat.com>
1112 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1113 and __real when compiled with -DPIC.
1114 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1115 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1116 * Makefile.in: Regenerate.
1118 2002-08-26 Graydon Hoare <graydon@redhat.com>
1120 * mf-impl.h: New file, private implementation header.
1121 * mf-runtime.h: Reorganize a bit.
1122 (CLAMPSZ): Fix arithmetic.
1123 (__MF_CACHE_MISS_P): Fix arithmetic.
1124 * mf-runtime.c: Reorganize a bit.
1125 (__mf_dynamic): New structure.
1126 (resolve_single_dynamic): New function.
1127 (__mf_resolve_dynamics): New function.
1128 (__mf_init): Initialize dynamic wrappers.
1129 * mf-hooks.c: Macro-ize __real calls.
1130 Clamp various bits of arithmetic.
1131 Add explicit __mf_check call contexts.
1132 * Makefile.am: Add dependencies on mf-impl.h
1133 * Makefile.in: Regenerate.
1134 * configure.in: Comment out shared override.
1135 * configure: Regenerate.
1137 2002-08-22 Graydon Hoare <graydon@redhat.com>
1139 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1140 (__mf_check): Re-inialize and check heuristics before violation.
1141 (__mf_register): Permit updating pure-guess regions.
1142 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1143 (__wrap_dlopen): New wrapper function.
1144 (__wrap_mmap): New wrapper function.
1145 (__wrap_munmap): New wrapper function.
1146 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1147 which are not stack addresses.
1148 (is_stack_address): New function.
1149 (__mf_init_heuristics): Save and restore state, always initialize with
1152 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1154 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1155 error. Pass location string.
1156 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1157 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1158 (__mf_process_opts): Apply some sanity checking for lc-mask.
1159 (__mf_check, __mf_violation): Take new location-string argument.
1160 Update callers to pass NULL if necessary.
1161 (__mf_backtrace): New smart backtracer function. Calls replace
1162 several ad-hoc blocks elsewhere.
1163 (__mf_describe_object): Remove bad reentrancy test. Improve
1165 * mf-runtime.h: Corresponding changes. Public/private markup.
1166 (__MF_CACHE_MISS_P): New macro.
1168 2002-08-20 Graydon Hoare <graydon@redhat.com>
1170 * mf-runtime.h: New option: stack_bound (heuristic).
1171 Move some macros out of implementation files.
1172 * mf-runtime.c: New option string: -stack-bound.
1173 Unify recursion protection with hooks.
1175 (__mf_check): Call __mf_heuristic_check.
1176 (__mf_process_opts): Fix "no-" processing.
1177 * mf-heuristics.c (__mf_heuristic_check): New function.
1178 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1180 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1182 Option parsing improvements, region splitting bug fixes:
1183 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1184 * mf-runtime.h (heur_proc_map): New libmudflap option.
1185 * mf-runtime.c (__mf_set_default_options): Set it.
1186 (__mf_usage): Print default values/status.
1187 (__mf_process_opts): Support general "no-" option string prefix.
1188 (__mf_init): Print __mf_usage on unknown-option error.
1189 (__mf_register): Print trace message up front.
1190 Correct region splitting logic for case where a subregion disappears.
1191 Correct memory leak.
1192 (__mf_violation): Make even basic message conditional on option.
1195 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1196 (clean-local): New target.
1197 (test/*x rules): Add -g CFLAGS.
1198 (CFLAGS): Add -freorder-blocks.
1199 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1200 * Makefile.in: Regenerated.
1201 * Makefile, mf-config.h: Removed files.
1203 2002-08-16 Graydon Hoare <graydon@redhat.com>
1205 * mf-runtime.c (__mf_insert_new_object): Factor out of
1207 (__mf_remove_old_object): Factor out of __mf_unregister.
1208 (__mf_register): Handle guessed regions, splitting
1209 guesses when new registrations arrive.
1210 (__mf_unregister): Do not unregister guesses.
1211 * mf-runtime.h: Move convenience macros around,
1212 declare new option fields. Add __MF_TYPE_GUESS.
1213 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1214 (__wrap_free): Call __real_free for deferred frees.
1215 * Makefile.am: Add more tests, fix dependency.
1216 * Makefile.in: Regenerate.
1217 * test/pass[13..17]-frag.c: New testcases.
1218 * test/fail[13..17]-frag.c: New testcases.
1220 2002-08-15 Graydon Hoare <graydon@redhat.com>
1222 * mf-heuristics.c: New file.
1223 * mf-runtime.c (options): Add -trace-calls option.
1224 (__mf_init): Call __mf_init_heuristics.
1226 2002-08-14 Graydon Hoare <graydon@redhat.com>
1228 * Makefile.am (TESTS): Add testsuite support.
1229 * Makefile.in: Regenerate.
1230 * test/mf-driver.c: New file.
1231 * test/buildtest.sh: New file.
1232 * test/passNN-frag.c: New testcases.
1233 * test/failNN-frag.c: New testcases.
1235 2002-08-14 Graydon Hoare <graydon@redhat.com>
1237 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1238 verifying non-size-limited string extents.
1240 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1242 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1243 instead of plain str[n]len for internal checks.
1244 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1246 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1248 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1250 2002-08-13 Graydon Hoare <graydon@redhat.com>
1252 * mf-runtime.c: Rework configuration to operate on
1253 environment variable options rather than #defines
1254 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1255 (__mf_init): Set static __mf_active_p flag on startup,
1256 to inhibit mudflap wrap-based checking during crt0.s.
1257 * mf-runtime.h: Declare options structure.
1258 * mf-hooks.c: New wrappings for mem*, b*, str*
1259 libc functions (temporarily #if 0-ed out).
1261 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1263 * Makefile.am, configure.in: New files.
1264 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1265 * stamp-h.in, aclocal.m4: Ditto.
1267 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1269 * Makefile: New file.
1270 * mf-config.h: New file: runtime configuration.
1271 * mf-hooks.c: New file: interposed libc functions.
1272 * mf-runtime.c: New file: bulk of runtime.
1273 * mf-runtime.h: New file: public functions.