1 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
3 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
4 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
6 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
8 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
9 * aclocal.m4: Include ../config/gcc-version.m4.
10 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
12 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
14 * Makefile.am: Define ACLOCAL_AMFLAGS.
15 * acinclude.m4: Remove.
16 * stamp-h.in: Remove superfluous stamp file.
17 * aclocal.m4, configure, Makefile.in: Regenerate.
18 * testsuite/Makefile.in: Likewise.
20 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
22 * Makefile.am: Revert previous.
23 * acinclude.m4: Restore.
24 * aclocal.m4, configure, Makefile.in: Regenerate.
25 * testsuite/Makefile.in: Likewise.
27 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
29 * Makefile.am: Define ACLOCAL_AMFLAGS.
30 * acinclude.m4: Remove.
31 * aclocal.m4, configure, Makefile.in: Regenerate.
32 * testsuite/Makefile.in: Likewise.
34 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
36 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
38 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
40 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
41 * testsuite/Makefile.in: Likewise.
43 2004-11-01 Andreas Schwab <schwab@suse.de>
45 * configure.ac: (target_alias): Default to $host_alias, not
47 * configure: Regenerated.
49 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
51 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
52 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
55 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
58 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
60 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
62 * configure.ac: Check for more headers, functions.
63 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
64 tracking overridden FILE buffers.
65 (fopen, setvbuf): New/revised hook functions for buffer overriding.
66 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
67 (fflush): Accept given NULL stream (means "all streams").
69 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
71 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
72 (__mf_adapt_cache): Use them all.
73 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
74 * testsuite/libmudflap.c++/ctors.exp: Ditto.
75 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
76 * configure, config.h.in: Regenerated.
78 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
80 * configure.ac: Checking for sys/socket.h once is enough.
81 * configure: Regenerated.
83 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
85 * configure.ac: Look for more headers & functions.
86 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
87 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
88 * mf-runtime.c (options): Clean up integer signedness warnings.
89 (main): Add a declaration to fix a warning.
90 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
91 * configure, config.h.in: Regenerated.
93 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
95 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
96 New tests for proper base/limit checking for aggregates.
98 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
100 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
102 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
104 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
105 * mf-hooks2.c (strerror): Unregister previous string returned by
107 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
108 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
109 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
110 * mf-runtime.c (__mf_describe_object): Clarify object life status.
111 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
113 * configure, config.h.in: Regenerated.
115 2004-08-03 Dale Johannesen <dalej@apple.com>
117 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
119 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
121 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
122 simplified contents in all former callers.
124 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
126 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
127 the statically linked case.
129 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
131 * splay-tree.[ch]: Remove. Merge contents into ...
132 * mf-runtime.c: ... here, renaming symbols and making all functions
133 static. Remove unused min/max functions.
134 * Makefile.am: Forget about splay-tree.[ch].
135 * Makefile.in, testsuite/Makefile.in: Regenerated.
137 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
139 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
140 (__mfu_usage): Include (C) 2004.
141 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
142 here. Include a comment explaining why.
144 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
146 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
147 * mf-runtime.c (options): Give them a name.
148 (__mf_set_default_options): Set them.
149 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
150 (__mf_violation): Warning cleanup.
151 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
152 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
154 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
157 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
160 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
162 Test case for g++/15861
163 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
164 * testsuite/libmudflap.c++/ctors.exp: Driver.
165 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
166 Look only for *frag* test cases.
168 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
170 ANSI C conversion, libmudflap specialization, recursion limiting.
171 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
172 argument and indirection function pointers, update callers.
173 (splay_tree_s): Add statistics and recursion control fields
174 num_keys, max_depth, depth, rebalance_p.
175 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
176 Back out of search if it exceeds limit.
177 (splay_tree_splay): Manage recursion limiting with rebalancing as
179 (splay_tree_new): More initialization.
180 (splay_tree_rebalance): New function.
181 (splay_tree_foreach): Rewrite using nonrecursive logic.
182 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
183 Remove. Point indirect calls to mf-runtime.c's routines.
184 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
186 (splay_tree_delete, splay_tree_delete_helper): Ditto.
187 * testsuite/heap-scalestress.c: New test based on one from
188 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
190 2004-07-05 Matthias Klose <doko@debian.org>
192 * libtool-version: New.
193 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
194 Use -version-info for soname.
195 * Makefile.in: Regenerate.
196 * configure.ac: Remove libtool_VERSION macro
197 * configure: Regenerate
199 2004-07-05 Zack Weinberg <zack@codesourcery.com>
201 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
202 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
205 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
207 Splay tree implementation fork.
208 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
209 Use hard-coded comparison function for uintptr_t. Remove key/value
210 deallocation logic. Cache last splayed key for consecutive lookups.
211 * Makefile.am, Makefile.in: Use them, don't link to them.
212 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
213 (__mf_find_objects2): Flip successor/predecessor search sequence.
214 * ansidecl.h, libiberty.h: Removed dummy files.
216 2004-06-29 Nick Clifton <nickc@redhat.com>
218 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
219 * configure: Regenerate.
220 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
222 Remove spurious inclusion of <strings.h>.
224 2004-06-29 Nick Clifton <nickc@redhat.com>
226 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
227 function actually exists.
229 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
231 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
232 * config.h.in: Regenerated.
234 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
236 Adopt splay trees for object database.
237 * Makefile.am: Copy splay-tree.* from libiberty.
238 * Makefile.in, testsuite/Makefile.in: Regenerated.
239 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
240 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
241 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
242 * mf-runtime.c: Rewrite code dealing with object database to use
243 libiberty splay trees. Remove tree liveness aging option.
244 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
246 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
248 * configure.ac: New name of configure.in. Update
249 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
250 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
251 Autoconf 2.5x and Automake 1.7 or later.
252 * configure.in: Remove.
253 * configure: Regenerate.
255 * Makefile.am: Remove useless multilib rules.
256 * Makefile.in: Regenerate.
258 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
260 * .cvsignore: New file.
262 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
265 * mf-hooks2.c (semctl): Add cygwin porting hack.
267 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
270 * configure.in: Look for ctype header and glibc implementation.
271 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
272 array hooks for glibc 2.3.
273 * mf-runtime.h.in: Wrap them.
274 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
276 * testsuite/libmudflap.c/pass47-frag.c: New test.
277 * configure, config.h.in: Regenerated.
279 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
281 Portability improvements, e.g., libmudflap/15293.
282 * configure.in: Look for glibc extension functions. Look for
283 support of -f{function,data}-sections. Look for more headers.
284 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
285 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
286 mf-hooks* into usual single object per source.
287 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
288 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
289 if system doesn't provide one.
290 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
291 (pthread_create): Use it to properly GC dead thread stacks.
292 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
293 * testsuite/Makefile.am: Stop generating site.exp.
294 * testsuite/mfconfig.exp.in: New file.
295 * testsuite/config/default.exp: Load new mfconfig.exp.
296 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
297 (prune_gcc_output): Add glibc static linking warnings.
298 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
299 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
300 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
301 Regenerated with autoconf 2.57 and automake 1.7.
303 2004-06-04 Per Bothner <per@bothner.com>
305 * configure.in (LIBMUDFLAPTH): Fix thinko.
307 * configure.in: Check for more headers.
308 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
310 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
311 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
313 2004-06-01 Andreas Jaeger <aj@suse.de>
315 * configure.in: Handle multilibs, support
316 --enable-version-specific-runtime-libs.
317 * Makefile.am (lib_LTLIBRARIES): Rename to ...
318 (toolexeclib_LTLIBRARIES): this for multilib support.
319 * Makefile.in: Regenerated.
320 * configure: Regenerated.
321 * aclocal.m4: Regenerated.
322 * config.h.in: Regenerated.
323 * testsuite/Makefile.in: Regenerated.
325 2004-06-01 Andreas Jaeger <aj@suse.de>
327 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
328 multilibs, using multilib directory instead of hardcoded path.
331 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
333 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
334 * Makefile.in: Ditto.
336 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
338 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
339 * aclocal.m4, configure: Rebuilt.
341 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
343 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
344 import some build settings from libstdc++-v3 testsuite_flags.
345 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
346 changes to pass test language.
348 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
349 quicker mode-nop handling.
351 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
353 * mf-impl.h: Added libgcc license header.
355 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
357 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
358 Added libgcc license header.
359 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
360 (pthread_create): Simplify stack allocation syntax.
362 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
364 * mf-hooks2.c: Support FreeBSD.
365 (WRAP_gets): Avoid gets().
366 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
367 test unimplemented mem/str calls on FreeBSD.
368 * testsuite/libmudflap.c/pass21-frag.c: Do not include
369 <alloca.h> on FreeBSD.
371 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
373 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
374 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
375 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
376 flags for static linking permutation.
377 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
378 some pthreads code that croaks on linux glibc tls.
380 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
382 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
384 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
386 * testsuite/libmudflap.c/pass44-frag.c: New test.
388 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
390 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
392 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
394 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
396 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
398 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
400 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
403 * configure.in: Add check for see if
404 socklen_t typedef is in sys/socket.h.
405 * mf-hooks1.c: Add define if socklen_t
407 * mf-hooks2.c: Likewise.
408 * mf-hooks3.c: Likewise.
409 * config.h.in: Regen.
412 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
414 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
415 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
417 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
418 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
419 (unoptimized) allocation of stack space.
421 2003-12-07 Richard Henderson <rth@redhat.com>
423 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
424 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
426 2003-12-06 Andrew Pinski <apinski@apple.com>
428 partial PR libmudflap/12670
429 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
430 * mf-hooks2.c: Likewise.
431 * mf-hooks3.c: Likewise.
433 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
436 * mf-runtime.h.in: Switch to #pragma redefine_extname for
437 symbols interposed at compile time.
438 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
441 * mf-hooks2.c (semctl): Tolerate FreeBSD.
443 * configure.in: Reorganize check for <pthread.h>.
444 * configure: Regenerated.
446 2003-11-04 David Edelsohn <edelsohn@gnu.org>
448 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
449 (_LARGE_FILE_API): Define for AIX.
450 * mf-hooks[123]: Same.
451 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
453 2003-10-21 David Edelsohn <edelsohn@gnu.org>
455 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
457 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
459 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
461 * configure.in: Update check for union semun.
463 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
466 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
468 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
471 * configure.in: Add checks for 64-bit LFS functions, struct semun
472 definition, for BSD compatibility.
473 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
474 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
475 * mf-hooks3.c: Ditto.
476 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
478 * configure, config.h.in: Regenerated.
480 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
482 Multithreading fixes:
483 * mf-runtime.c (__mf_object): Store allocating/deallocating
485 (options): Support new "-thread-stack" option.
486 Rename "-heur-argv-environ" option to "-heur-stdlib".
487 Disable "-lc-mask" and "-lc-shift" options.
488 (__mf_dynamic): Add function pointers for pthread_join/_exit.
489 (__assert_fail): New self-contained function for glibc.
490 * mf-hooks3.c: Essentially rewritten, particularly related to
491 use of __mf_pthread_info array.
492 (pthread_join, _exit): New hook functions.
493 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
494 * testsuite/libmudflap.cth/pass40-frag.c: New test.
497 * mf-heuristics.c: Add type casts for tracing, sub calls.
498 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
499 Update all callers to declare explicit result holder.
500 (END_PROTECT): Removed.
501 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
503 2003-07-15 Diego Novillo <dnovillo@redhat.com>
505 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
506 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
507 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
509 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
511 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
513 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
514 Move these macros from old mf-hooks.c here.
515 * Makefile.am: Adapt to split-up hook sources for faster builds.
516 * Makefile.in: Regenerated.
518 * mf-heuristics.c: Remove #if-0 block.
520 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
521 (__mf_starting_p): New state only for use while dlsym bootstrapping.
522 (CALL_REAL, __mf_init): Corresponding changes.
523 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
524 all callers to remove redundant "mf:" prefix.
525 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
526 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
527 (__mf_pthread_info): Become a hash table.
529 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
530 "dg-repetitions" directives to control test case execution.
531 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
533 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
535 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
537 * mf-hooks.c (alloca): Separate into stub.
538 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
539 malloc/free for alloca blocks.
540 (pthread_create): Tolerate failing pthread_attr_get* calls.
541 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
542 * mf-impl.h (CALL_WRAP): Remove macro.
543 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
544 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
545 padding for ia64 BIT_FIELD_REF constructs.
547 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
549 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
550 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
551 libmudflap object type.
552 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
553 crashes on unregistering STATIC objects.
555 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
557 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
558 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
559 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
560 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
561 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
562 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
563 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
564 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
565 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
566 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
567 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
568 (accept, bind, connect, gethostname, sethostname): New hooks.
569 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
570 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
571 (semop, semctl, shmctl, shmat, shmdt): New hooks.
572 * mf-runtime.h.in: Corresponding changes.
573 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
574 (opts) Rename heur_argv_environ to heur_std_data.
575 (__mf_wrap_main): Use STATIC type for argv/environ strings.
576 * Makefile.am: Corresponding changes.
577 * Makefile.in: Regenerated.
579 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
581 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
582 heuristic for threaded case, and for non-x86-linux targets.
583 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
584 for use during pre-main() program startup.
585 (__mf_0fn_*): Make these functions non-static.
586 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
588 * mf-runtime.c (__mf_state): Set initial state to "starting".
589 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
590 (__wrap_main): New function to register argv[] and environ[] strings.
592 (*): In all trace functions, use "%p" as formatter for uintptr_t.
594 * testsuite/libmudflap.c/pass38-frag.c: New test case.
595 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
597 * acinclude.m4: Add comments with aoliva's concerns about x86_64
599 * aclocal.m4, configure: Regenerated.
601 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
603 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
604 * aclocal.m4, configure: Regenerated.
606 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
608 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
609 for x86_64 target. Disable caching for this value.
610 * aclocal.m4, configure: Regenerated.
612 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
614 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
615 is about to become deprecated, and its present handling bugs are
618 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
620 * testsuite/libmudflap.c/pass38-frag.c: New test for
623 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
625 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
626 __mf_report, asserting reentrant calling context.
628 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
630 * mf-hooks.c (realloc): Correct reentrancy logic.
631 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
633 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
635 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
636 PTHREAD_THREADS_MAX. Update users.
637 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
639 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
640 with libmudflapth presence indicator.
641 * testsuite/Makefile.in: Regenerated.
643 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
645 * Makefile.am (AM_CFLAGS): Remove "-ansi".
646 * configure.in: Remove silly no-pthreads => no-shared logic.
647 * Makefile.in, configure: Regenerated.
648 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
649 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
650 code. Count reentrancy events.
651 (all hook functions): Don't directly manipulate __mf_state variable.
652 Add TRACE calls to hook functions without them.
653 * mf-impl.h (LOCKTH): Try to count lock contention events.
654 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
655 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
656 Reorganize reentrancy code.
657 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
658 identify reentrancy with mutex holding times.
659 (internal __mfu_ entry points): Remove internal reentrancy code.
660 (__mf_init): Use ordinary locked calls.
661 (__mfu_report): Print the two new counts.
662 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
663 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
664 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
665 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
668 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
670 * configure.in: Add pthread support, plus glibc and porting hacks.
671 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
672 from objects built into ./pth/.
673 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
674 functions for internal entry points. Update callers to pick
675 locked vs. unlocked variants.
676 (__mf_resolve_single_dynamic): Extend to support symbol versioning
677 info coming in from a static data structure.
678 (*): Reorder miscellaneous declarations to group data vs functions.
679 (__mf_set_default_options): Simplify.
680 (__mf_usage): Mention threading status of host executable.
681 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
682 decls to match above.
683 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
684 * mf-heuristics.c: Choose between locked/unlocked calls. Add
685 some lock/unlock markers. Remove some unused code.
687 (pthread_create): New hook function.
688 (__mf_pthread_cleanup, _spawner): New helper functions.
689 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
691 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
693 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
695 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
697 * Makefile.am (HOOKOBJS): Add *time related hooks.
698 * configure.in: Look for pthreads.h header.
699 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
700 * mf-runtime.c: Begin sketching some pthreads support.
701 (__mf_usage): Check for -lpthread presence.
702 (__mf_unregister): Confirm matching unregistration base.
703 (__mf_find_objects_rec): Reduce unnecessary recursion.
704 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
705 #defines for new hook functions.
706 * mf-impl.h: Corresponding changes.
707 * config.h.in, configure, Makefile.in: Regenerated.
709 2002-04-27 Diego Novillo <dnovillo@redhat.com>
711 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
712 modifiers to prevent being optimized away.
713 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
714 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
715 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
716 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
717 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
718 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
719 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
721 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
723 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
724 * configure.in: Look for uintptr_t and -ldl on target.
725 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
726 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
727 * testsuite/Makefile.in: Regenerated.
728 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
729 for better C compliance.
731 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
733 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
735 * mf-runtime.c (__mf_set_default_options): Turn off
736 check-initialization.
737 (__mf_describe_object): Shorten description.
738 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
740 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
742 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
744 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
746 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
748 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
749 * mf-impl.h (CALL_BACKUP): New macros.
750 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
752 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
754 * Makefile.am (AM_CFLAGS): Remove optimization flags.
755 (HOOKOBJS): Remove dlopen hook.
756 (libmudflap_la_LIBADD): Add -ldl.
757 * mf-hooks.c (dlopen): Remove hook.
758 * mf-impl.h (__mf_dynamic): Ditto.
759 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
760 * Makefile.in: Regenerated.
762 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
764 * configure.in: Check for target gettimeofday, signal, some headers.
765 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
766 out inop multi_threaded field.
767 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
768 (__mf_set_options): Correct handling of "-help".
769 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
770 (__mf_check, __mf_register, __mf_unregister): Call it.
771 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
772 (__mf_report_leaks): Make callable
773 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
774 distribution statistics.
775 (__mf_adapt_cache): Rewrite shift guessing logic based on address
777 * config.h.in, configure: Regenerated.
778 * testsuite/libmudflap.c/fail27-frag.c: New test.
779 * testsuite/libmudflap.c/pass36-frag.c: New test.
781 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
783 * mf-runtime.h.in: Tweak.
784 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
785 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
786 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
788 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
790 * configure.in: Tweak generation of mf-runtime.h some more. It
791 needs to work from both config.status and configure.
792 * configure: Regenerated.
794 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
796 * Makefile.am: Reorganize hook file building. Add auto dependencies.
797 * configure.in: Tweak generation of mf-runtime.h.
798 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
799 * mf-hooks.c (*): Adapt to initialized-heap object type.
800 * mf-impl.h: Tweak cemetary boundaries.
801 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
803 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
804 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
805 * testsuite/lib/libmudflap.exp (includes): Include build tree.
806 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
808 * testsuite/.../fail{25,26}-frag.c: New tests.
809 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
810 * Makefile.in, configure: Regenerated.
812 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
814 * mf-runtime.c (__mf_set_default_options): Turn on initialization
816 (__mf_insert_new_object): As a temporary hack, assume that new
817 objects registered on the stack start out initialized.
818 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
819 heap objects by hand.
821 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
823 Switch to macro-style hooks for str*/mem*/b* functions.
824 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
825 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
826 * mf-runtime.c: #include config.h to enable glibc backtraces again.
827 (__mf_set_default_options): Turn off heur_proc_map.
828 (*): Adapt to to macro-style hook functions.
829 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
830 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
831 (__mf_violation): Handle __MF_VIOL_WATCH.
832 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
833 (__mf_dynamic): Removed mem*/str*/b* functions.
834 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
835 (WRAPPER2): New macro for macro-style hooks.
836 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
838 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
839 * mf-heuristics.c: Adapt to macro-style hook functions.
840 Correct some comments.
841 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
842 output pattern tests.
843 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
844 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
846 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
848 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
849 for global array registration.
850 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
851 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
853 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
855 * Makefile.am: Add gross make bug workarounds. Tweaked
856 SUBDIRS and AM_CFLAGS.
857 * Makefile.in: Regenerated.
859 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
862 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
863 * Makefile.am (TESTS): Remove simple automake testing.
864 * configure, Makefile.in: Regenerated.
865 (SUBDIRS): Include new testsuite/ directory.
866 * tests/*: Removed all files; moved bulk under:
867 * testsuite/*: New subdirectory tree.
868 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
869 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
870 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
871 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
872 * testsuite/config/default.exp: New file.
873 * testsuite/Makefile.am, Makefile.in: New files.
875 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
877 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
878 (TESTS): Add fail22 and pass29 tests.
879 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
880 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
881 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
882 values. Move __MF_VIOL* here.
883 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
884 (check_initialization): New field in __mf_opts. Default off.
885 (read_count,write_count): New fields in __mf_object.
886 (__mf_check): Implement basic initialization checking.
887 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
888 (__mf_describe_object): Print new fields.
889 (__mf_violation): Identify check/read vs. check/write in messages.
890 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
891 "-check-initialized" mudflap option.
892 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
893 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
894 Drop __FILE__/__LINE__ hack. Update callers.
895 (*): Adapt to new mf-runtime.h API.
896 * Makefile.in: regenerated.
898 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
900 * configure.in: Build mf-runtime.h a more proper way.
901 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
902 * mf-runtime.c (verbose_violations): Turn on by default.
903 * mf-runtime.h.in: Remove some miscellaneous stuff ...
904 * mf-impl.h: ... and move it here.
905 * configure: Regenerated.
907 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
909 * configure.in: Look for C++ compiler.
910 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
911 fixed type warnings when built with C++.
912 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
913 * Makefile.am (TESTS): Run them.
914 (*) Add new rules for building and running C++ tests.
915 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
916 * mf-runtime.h.in: Protect with extern "C".
917 * Makefile, configure: Regenerated.
919 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
921 Portability improvements.
922 * configure.in: Look for glibc backtrace headers/functions.
923 * mf-hooks.c: Don't include <execinfo.h> any more.
924 * mf-runtime.c (__mf_set_options): Call more stdlib functions
926 (__mf_backtrace): Provide alternate baby implementation in
928 * test/mf-driver.c: Portability tweaks.
929 * acinclude.m4: New file, containing top level libtool.m4.
930 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
932 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
934 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
936 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
938 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
940 (__mf_unregister): Implement stack/heap object wiping.
941 (__mf_set_options): Renamed from __mf_process_opts.
942 (__mf_uncache_object): Change arg type, correct callers.
943 * mf-impl.h: Corresponding changes.
944 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
945 * mf-runtime.h.in (__mf_set_options): Extend public API.
946 * test/pass26-frag.c: New test for stack wiping.
947 * Makefile.am (TESTS): Run it.
948 * Makefile.in: Regenerated.
950 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
952 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
953 * mf-runtime.c (__mf_object_t): Add watching_p field.
954 (__mf_watch_or_not): New function to implement
955 object watch flagging.
956 (__mf_watch, __mf_unwatch): New wrappers for above.
957 (__mf_check, __mf_describe_object): Handle objects with watching_p.
958 (__mf_count_violation): Enlarge array.
959 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
960 unlink object. Clear cache properly.
961 (__mf_unregister): Unlink object explicitly before uncaching.
962 * test/fail21-frag.c, pass25-frag.c: New tests.
963 * Makefile.in, aclocal.m4: Regenerated.
965 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
967 * test/fail20-frag.c: New test for NULL pointer dereferencing.
968 * Makefile.am (TESTS): Add it.
969 * test/pass-stratcliff.c: Add decls of stpcpy.
970 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
971 build tree from config.h and new file mf-runtime.h.in.
972 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
973 * Makefile.in, configure, config.h.in: Regenerated.
974 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
975 * mf-runtime.c (options, __mf_set_default_options): Support new
976 default "abbreviate" option.
977 (__mf_object.description_epoch): New field.
978 (__mf_describe_object): Conditionally abbreviate objects already
979 displayed in current epoch. Accept NULL input to increment epoch.
980 (__mf_fini, __mf_ini): Reset description epoch.
981 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
982 that NULL pointer slot in lookup cache is invalidated. Register a
983 NOACCESS region around NULL.
984 * mf-impl.h: Corresponding changes.
986 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
988 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
989 * Makefile.am: Run them. Install mf-runtime.h.
990 * Makefile.in: Regenerated.
991 * mf-hooks.c: Add some markers for more missing functions.
992 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
993 statistic to tune tune cache size (mask).
995 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
997 * test/pass23-frag.c: New test for bit_field_ref expressions.
998 * Makefile.am, Makefile.in: Add new test.
999 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1000 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1001 * mf-runtime.c (__mf_init): Register errno global.
1002 (__mf_find_object): Removed function.
1003 (__mf_check): Rewrite logic to support accesses across some
1004 contiguous but distinctly registered objects.
1005 (__mf_remove_old_object): Tolerate cache entries that span
1008 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1010 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1011 * Makefile.am, Makefile.in: Run new tests.
1012 * mf-hooks.c (alloca): Correct stack direction logic.
1014 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1016 * mf-impl.h (adapt_cache): New option.
1017 * mf-runtime.c (__mf_set_default_options): Set its default value.
1018 Tweak the tree_aging parameter down.
1019 (__mf_check): Maintain separate counter for cache-adaptation.
1020 (__mf_tree_analyze): New function to collect object tree stats.
1021 (__mf_adapt_cache): New function to automate cache parameters.
1023 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1025 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1026 hypothetical #if-0'd argv/envp region registration.
1027 * mf-runtime.c (__mf_init): Add kludged form of above.
1028 (*) Add "heur_argv_environ" flag, default on, to govern this.
1029 * mf-impl.h: Corresponding changes.
1031 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1033 * test/fail18-frag.c: New test file for NOACCESS regions.
1034 * Makefile.am (TESTS): Add new test.
1035 * Makefile.in: Regenerated.
1037 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1038 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1039 (optimize_object_tree): Remove unused mudflap_option.
1040 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1041 support throughout. Use .._MAX_CEM for cemetary upper bound.
1042 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1044 (__mf_object): Add new liveness field for use by tree aging.
1045 (__mf_check): Trigger tree aging when needed.
1046 (__mf_age_tree): New function to decay liveness field.
1047 (__mf_find_objects_rec): Use liveness field to rotate tree.
1048 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1049 (__mf_unregister): Ditto.
1050 (__mf_register): Tweak duplicate-static message.
1051 (__mf_violation: Tweak nearby-object counter printing.
1053 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1055 * test/pass20-frag.c: New test file.
1056 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1057 * Makefile.in: Regenerated.
1059 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1060 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1061 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1062 entries to avoid repeat registration.
1063 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1064 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1066 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1068 * Makefile.am: Create test sources with #include, not cat>>.
1069 * Makefile.in: Regenerated.
1070 * test/buildtest.sh: Removed.
1071 * test/driver.c (abort_handler, main): Be quiet.
1073 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1075 * test/pass18-frag.c, pass19-frag.c: New tests.
1076 * Makefile.am (check): Run them. Rebuild test programs each time.
1077 * Makefile.in: Regenerated.
1079 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1081 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1082 overlapping object search.
1083 (__mf_violation): Likewise for nearby objects.
1084 Improve nearby-object listing.
1087 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1088 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1090 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1093 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1094 (HOOKOBJS): Add alloca-hook.o.
1095 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1097 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1098 (__mf_backtrace): Reimplement without using alloca.
1099 * Makefile.in: Regenerated.
1102 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1103 Correct signedness bugs in length-tracking variables.
1104 * mf-impl.h: Make options unsigned.
1105 (CALL_WRAP): New macro to parallel CALL_REAL().
1106 (DECLARE): Remove erroneous ";" at end.
1107 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1108 formatting specs with %08lx. Correct several compiler warnings.
1110 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1112 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1114 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1116 libmudflap hook breakup:
1117 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1119 (TESTS): Make dependent on libmudflap.
1120 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1121 compiled from segments of mf-hooks.c.
1122 * mf-hooks.c: Corresponding changes: wrap each function in
1124 * Makefile.in: Regenerated.
1126 Heuristics reorganization:
1127 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1128 Remove these functions. Update callers.
1129 (__mf_heuristic_check): Incorporate all the various heuristics.
1130 Encode cacheability/retry judgement into trinary return value.
1131 Separate start-end logic into a separate fallback heuristic. Only
1132 register relevant /proc/self/map segments.
1133 * mf-impl.h: Corresponding changes.
1134 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1135 (__mf_init): Don't call __mf_init_heuristics.
1138 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1139 "-verbose-trace" to emit all tracing messages other than those of
1140 basic public api. Eliminate some duplicate/excessive messages.
1141 * mf-runtime.h: Corresponding changes.
1143 2002-08-27 Graydon Hoare <graydon@redhat.com>
1145 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1146 and __real when compiled with -DPIC.
1147 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1148 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1149 * Makefile.in: Regenerate.
1151 2002-08-26 Graydon Hoare <graydon@redhat.com>
1153 * mf-impl.h: New file, private implementation header.
1154 * mf-runtime.h: Reorganize a bit.
1155 (CLAMPSZ): Fix arithmetic.
1156 (__MF_CACHE_MISS_P): Fix arithmetic.
1157 * mf-runtime.c: Reorganize a bit.
1158 (__mf_dynamic): New structure.
1159 (resolve_single_dynamic): New function.
1160 (__mf_resolve_dynamics): New function.
1161 (__mf_init): Initialize dynamic wrappers.
1162 * mf-hooks.c: Macro-ize __real calls.
1163 Clamp various bits of arithmetic.
1164 Add explicit __mf_check call contexts.
1165 * Makefile.am: Add dependencies on mf-impl.h
1166 * Makefile.in: Regenerate.
1167 * configure.in: Comment out shared override.
1168 * configure: Regenerate.
1170 2002-08-22 Graydon Hoare <graydon@redhat.com>
1172 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1173 (__mf_check): Re-inialize and check heuristics before violation.
1174 (__mf_register): Permit updating pure-guess regions.
1175 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1176 (__wrap_dlopen): New wrapper function.
1177 (__wrap_mmap): New wrapper function.
1178 (__wrap_munmap): New wrapper function.
1179 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1180 which are not stack addresses.
1181 (is_stack_address): New function.
1182 (__mf_init_heuristics): Save and restore state, always initialize with
1185 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1187 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1188 error. Pass location string.
1189 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1190 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1191 (__mf_process_opts): Apply some sanity checking for lc-mask.
1192 (__mf_check, __mf_violation): Take new location-string argument.
1193 Update callers to pass NULL if necessary.
1194 (__mf_backtrace): New smart backtracer function. Calls replace
1195 several ad-hoc blocks elsewhere.
1196 (__mf_describe_object): Remove bad reentrancy test. Improve
1198 * mf-runtime.h: Corresponding changes. Public/private markup.
1199 (__MF_CACHE_MISS_P): New macro.
1201 2002-08-20 Graydon Hoare <graydon@redhat.com>
1203 * mf-runtime.h: New option: stack_bound (heuristic).
1204 Move some macros out of implementation files.
1205 * mf-runtime.c: New option string: -stack-bound.
1206 Unify recursion protection with hooks.
1208 (__mf_check): Call __mf_heuristic_check.
1209 (__mf_process_opts): Fix "no-" processing.
1210 * mf-heuristics.c (__mf_heuristic_check): New function.
1211 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1213 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1215 Option parsing improvements, region splitting bug fixes:
1216 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1217 * mf-runtime.h (heur_proc_map): New libmudflap option.
1218 * mf-runtime.c (__mf_set_default_options): Set it.
1219 (__mf_usage): Print default values/status.
1220 (__mf_process_opts): Support general "no-" option string prefix.
1221 (__mf_init): Print __mf_usage on unknown-option error.
1222 (__mf_register): Print trace message up front.
1223 Correct region splitting logic for case where a subregion disappears.
1224 Correct memory leak.
1225 (__mf_violation): Make even basic message conditional on option.
1228 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1229 (clean-local): New target.
1230 (test/*x rules): Add -g CFLAGS.
1231 (CFLAGS): Add -freorder-blocks.
1232 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1233 * Makefile.in: Regenerated.
1234 * Makefile, mf-config.h: Removed files.
1236 2002-08-16 Graydon Hoare <graydon@redhat.com>
1238 * mf-runtime.c (__mf_insert_new_object): Factor out of
1240 (__mf_remove_old_object): Factor out of __mf_unregister.
1241 (__mf_register): Handle guessed regions, splitting
1242 guesses when new registrations arrive.
1243 (__mf_unregister): Do not unregister guesses.
1244 * mf-runtime.h: Move convenience macros around,
1245 declare new option fields. Add __MF_TYPE_GUESS.
1246 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1247 (__wrap_free): Call __real_free for deferred frees.
1248 * Makefile.am: Add more tests, fix dependency.
1249 * Makefile.in: Regenerate.
1250 * test/pass[13..17]-frag.c: New testcases.
1251 * test/fail[13..17]-frag.c: New testcases.
1253 2002-08-15 Graydon Hoare <graydon@redhat.com>
1255 * mf-heuristics.c: New file.
1256 * mf-runtime.c (options): Add -trace-calls option.
1257 (__mf_init): Call __mf_init_heuristics.
1259 2002-08-14 Graydon Hoare <graydon@redhat.com>
1261 * Makefile.am (TESTS): Add testsuite support.
1262 * Makefile.in: Regenerate.
1263 * test/mf-driver.c: New file.
1264 * test/buildtest.sh: New file.
1265 * test/passNN-frag.c: New testcases.
1266 * test/failNN-frag.c: New testcases.
1268 2002-08-14 Graydon Hoare <graydon@redhat.com>
1270 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1271 verifying non-size-limited string extents.
1273 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1275 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1276 instead of plain str[n]len for internal checks.
1277 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1279 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1281 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1283 2002-08-13 Graydon Hoare <graydon@redhat.com>
1285 * mf-runtime.c: Rework configuration to operate on
1286 environment variable options rather than #defines
1287 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1288 (__mf_init): Set static __mf_active_p flag on startup,
1289 to inhibit mudflap wrap-based checking during crt0.s.
1290 * mf-runtime.h: Declare options structure.
1291 * mf-hooks.c: New wrappings for mem*, b*, str*
1292 libc functions (temporarily #if 0-ed out).
1294 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1296 * Makefile.am, configure.in: New files.
1297 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1298 * stamp-h.in, aclocal.m4: Ditto.
1300 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1302 * Makefile: New file.
1303 * mf-config.h: New file: runtime configuration.
1304 * mf-hooks.c: New file: interposed libc functions.
1305 * mf-runtime.c: New file: bulk of runtime.
1306 * mf-runtime.h: New file: public functions.