1 2005-03-21 Mike Stump <mrs@apple.com>
3 * mf-heuristics.c: Fix whitespace at end of line.
4 * mf-hooks1.c: Likewise.
5 * mf-hooks2.c: Likewise.
6 * mf-hooks3.c: Likewise.
8 * mf-runtime.c: Likewise.
9 * mf-runtime.h: Likewise.
11 2005-03-21 Zack Weinberg <zack@codesourcery.com>
13 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
14 In all substitutions, expand gcc_version in Makefile.
15 * aclocal.m4, configure: Regenerate.
16 * Makefile.am: Set gcc_version.
17 * Makefile.in, testsuite/Makefile.in: Regenerate.
19 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
21 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
22 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
24 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
27 * testsuite/libmudflap.c++/pass55-frag.c: New test.
29 2005-01-05 Richard Henderson <rth@redhat.com>
31 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
33 2005-01-02 Greg McGary <greg@mcgary.org>
35 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
36 * mf-runtime.h: New file, replaces mf-runtime.h.in.
37 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
39 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
40 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
41 * testsuite/libmudflap.c/fail36-frag.c: New test.
42 * testsuite/libmudflap.c/fail37-frag.c: New test.
43 * testsuite/libmudflap.c/fail38-frag.c: New test.
45 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
47 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
48 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
50 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
52 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
53 * aclocal.m4: Include ../config/gcc-version.m4.
54 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
56 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
58 * Makefile.am: Define ACLOCAL_AMFLAGS.
59 * acinclude.m4: Remove.
60 * stamp-h.in: Remove superfluous stamp file.
61 * aclocal.m4, configure, Makefile.in: Regenerate.
62 * testsuite/Makefile.in: Likewise.
64 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
66 * Makefile.am: Revert previous.
67 * acinclude.m4: Restore.
68 * aclocal.m4, configure, Makefile.in: Regenerate.
69 * testsuite/Makefile.in: Likewise.
71 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
73 * Makefile.am: Define ACLOCAL_AMFLAGS.
74 * acinclude.m4: Remove.
75 * aclocal.m4, configure, Makefile.in: Regenerate.
76 * testsuite/Makefile.in: Likewise.
78 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
80 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
82 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
84 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
85 * testsuite/Makefile.in: Likewise.
87 2004-11-01 Andreas Schwab <schwab@suse.de>
89 * configure.ac: (target_alias): Default to $host_alias, not
91 * configure: Regenerated.
93 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
95 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
96 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
99 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
102 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
104 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
106 * configure.ac: Check for more headers, functions.
107 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
108 tracking overridden FILE buffers.
109 (fopen, setvbuf): New/revised hook functions for buffer overriding.
110 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
111 (fflush): Accept given NULL stream (means "all streams").
113 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
115 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
116 (__mf_adapt_cache): Use them all.
117 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
118 * testsuite/libmudflap.c++/ctors.exp: Ditto.
119 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
120 * configure, config.h.in: Regenerated.
122 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
124 * configure.ac: Checking for sys/socket.h once is enough.
125 * configure: Regenerated.
127 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
129 * configure.ac: Look for more headers & functions.
130 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
131 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
132 * mf-runtime.c (options): Clean up integer signedness warnings.
133 (main): Add a declaration to fix a warning.
134 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
135 * configure, config.h.in: Regenerated.
137 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
139 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
140 New tests for proper base/limit checking for aggregates.
142 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
144 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
146 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
148 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
149 * mf-hooks2.c (strerror): Unregister previous string returned by
151 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
152 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
153 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
154 * mf-runtime.c (__mf_describe_object): Clarify object life status.
155 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
157 * configure, config.h.in: Regenerated.
159 2004-08-03 Dale Johannesen <dalej@apple.com>
161 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
163 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
165 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
166 simplified contents in all former callers.
168 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
170 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
171 the statically linked case.
173 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
175 * splay-tree.[ch]: Remove. Merge contents into ...
176 * mf-runtime.c: ... here, renaming symbols and making all functions
177 static. Remove unused min/max functions.
178 * Makefile.am: Forget about splay-tree.[ch].
179 * Makefile.in, testsuite/Makefile.in: Regenerated.
181 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
183 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
184 (__mfu_usage): Include (C) 2004.
185 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
186 here. Include a comment explaining why.
188 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
190 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
191 * mf-runtime.c (options): Give them a name.
192 (__mf_set_default_options): Set them.
193 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
194 (__mf_violation): Warning cleanup.
195 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
196 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
198 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
201 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
204 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
206 Test case for g++/15861
207 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
208 * testsuite/libmudflap.c++/ctors.exp: Driver.
209 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
210 Look only for *frag* test cases.
212 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
214 ANSI C conversion, libmudflap specialization, recursion limiting.
215 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
216 argument and indirection function pointers, update callers.
217 (splay_tree_s): Add statistics and recursion control fields
218 num_keys, max_depth, depth, rebalance_p.
219 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
220 Back out of search if it exceeds limit.
221 (splay_tree_splay): Manage recursion limiting with rebalancing as
223 (splay_tree_new): More initialization.
224 (splay_tree_rebalance): New function.
225 (splay_tree_foreach): Rewrite using nonrecursive logic.
226 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
227 Remove. Point indirect calls to mf-runtime.c's routines.
228 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
230 (splay_tree_delete, splay_tree_delete_helper): Ditto.
231 * testsuite/heap-scalestress.c: New test based on one from
232 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
234 2004-07-05 Matthias Klose <doko@debian.org>
236 * libtool-version: New.
237 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
238 Use -version-info for soname.
239 * Makefile.in: Regenerate.
240 * configure.ac: Remove libtool_VERSION macro
241 * configure: Regenerate
243 2004-07-05 Zack Weinberg <zack@codesourcery.com>
245 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
246 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
249 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
251 Splay tree implementation fork.
252 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
253 Use hard-coded comparison function for uintptr_t. Remove key/value
254 deallocation logic. Cache last splayed key for consecutive lookups.
255 * Makefile.am, Makefile.in: Use them, don't link to them.
256 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
257 (__mf_find_objects2): Flip successor/predecessor search sequence.
258 * ansidecl.h, libiberty.h: Removed dummy files.
260 2004-06-29 Nick Clifton <nickc@redhat.com>
262 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
263 * configure: Regenerate.
264 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
266 Remove spurious inclusion of <strings.h>.
268 2004-06-29 Nick Clifton <nickc@redhat.com>
270 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
271 function actually exists.
273 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
275 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
276 * config.h.in: Regenerated.
278 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
280 Adopt splay trees for object database.
281 * Makefile.am: Copy splay-tree.* from libiberty.
282 * Makefile.in, testsuite/Makefile.in: Regenerated.
283 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
284 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
285 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
286 * mf-runtime.c: Rewrite code dealing with object database to use
287 libiberty splay trees. Remove tree liveness aging option.
288 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
290 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
292 * configure.ac: New name of configure.in. Update
293 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
294 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
295 Autoconf 2.5x and Automake 1.7 or later.
296 * configure.in: Remove.
297 * configure: Regenerate.
299 * Makefile.am: Remove useless multilib rules.
300 * Makefile.in: Regenerate.
302 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
304 * .cvsignore: New file.
306 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
309 * mf-hooks2.c (semctl): Add cygwin porting hack.
311 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
314 * configure.in: Look for ctype header and glibc implementation.
315 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
316 array hooks for glibc 2.3.
317 * mf-runtime.h.in: Wrap them.
318 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
320 * testsuite/libmudflap.c/pass47-frag.c: New test.
321 * configure, config.h.in: Regenerated.
323 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
325 Portability improvements, e.g., libmudflap/15293.
326 * configure.in: Look for glibc extension functions. Look for
327 support of -f{function,data}-sections. Look for more headers.
328 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
329 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
330 mf-hooks* into usual single object per source.
331 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
332 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
333 if system doesn't provide one.
334 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
335 (pthread_create): Use it to properly GC dead thread stacks.
336 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
337 * testsuite/Makefile.am: Stop generating site.exp.
338 * testsuite/mfconfig.exp.in: New file.
339 * testsuite/config/default.exp: Load new mfconfig.exp.
340 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
341 (prune_gcc_output): Add glibc static linking warnings.
342 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
343 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
344 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
345 Regenerated with autoconf 2.57 and automake 1.7.
347 2004-06-04 Per Bothner <per@bothner.com>
349 * configure.in (LIBMUDFLAPTH): Fix thinko.
351 * configure.in: Check for more headers.
352 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
354 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
355 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
357 2004-06-01 Andreas Jaeger <aj@suse.de>
359 * configure.in: Handle multilibs, support
360 --enable-version-specific-runtime-libs.
361 * Makefile.am (lib_LTLIBRARIES): Rename to ...
362 (toolexeclib_LTLIBRARIES): this for multilib support.
363 * Makefile.in: Regenerated.
364 * configure: Regenerated.
365 * aclocal.m4: Regenerated.
366 * config.h.in: Regenerated.
367 * testsuite/Makefile.in: Regenerated.
369 2004-06-01 Andreas Jaeger <aj@suse.de>
371 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
372 multilibs, using multilib directory instead of hardcoded path.
375 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
377 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
378 * Makefile.in: Ditto.
380 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
382 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
383 * aclocal.m4, configure: Rebuilt.
385 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
387 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
388 import some build settings from libstdc++-v3 testsuite_flags.
389 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
390 changes to pass test language.
392 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
393 quicker mode-nop handling.
395 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
397 * mf-impl.h: Added libgcc license header.
399 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
401 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
402 Added libgcc license header.
403 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
404 (pthread_create): Simplify stack allocation syntax.
406 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
408 * mf-hooks2.c: Support FreeBSD.
409 (WRAP_gets): Avoid gets().
410 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
411 test unimplemented mem/str calls on FreeBSD.
412 * testsuite/libmudflap.c/pass21-frag.c: Do not include
413 <alloca.h> on FreeBSD.
415 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
417 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
418 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
419 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
420 flags for static linking permutation.
421 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
422 some pthreads code that croaks on linux glibc tls.
424 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
426 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
428 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
430 * testsuite/libmudflap.c/pass44-frag.c: New test.
432 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
434 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
436 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
438 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
440 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
442 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
444 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
447 * configure.in: Add check for see if
448 socklen_t typedef is in sys/socket.h.
449 * mf-hooks1.c: Add define if socklen_t
451 * mf-hooks2.c: Likewise.
452 * mf-hooks3.c: Likewise.
453 * config.h.in: Regen.
456 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
458 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
459 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
461 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
462 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
463 (unoptimized) allocation of stack space.
465 2003-12-07 Richard Henderson <rth@redhat.com>
467 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
468 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
470 2003-12-06 Andrew Pinski <apinski@apple.com>
472 partial PR libmudflap/12670
473 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
474 * mf-hooks2.c: Likewise.
475 * mf-hooks3.c: Likewise.
477 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
480 * mf-runtime.h.in: Switch to #pragma redefine_extname for
481 symbols interposed at compile time.
482 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
485 * mf-hooks2.c (semctl): Tolerate FreeBSD.
487 * configure.in: Reorganize check for <pthread.h>.
488 * configure: Regenerated.
490 2003-11-04 David Edelsohn <edelsohn@gnu.org>
492 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
493 (_LARGE_FILE_API): Define for AIX.
494 * mf-hooks[123]: Same.
495 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
497 2003-10-21 David Edelsohn <edelsohn@gnu.org>
499 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
501 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
503 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
505 * configure.in: Update check for union semun.
507 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
510 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
512 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
515 * configure.in: Add checks for 64-bit LFS functions, struct semun
516 definition, for BSD compatibility.
517 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
518 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
519 * mf-hooks3.c: Ditto.
520 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
522 * configure, config.h.in: Regenerated.
524 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
526 Multithreading fixes:
527 * mf-runtime.c (__mf_object): Store allocating/deallocating
529 (options): Support new "-thread-stack" option.
530 Rename "-heur-argv-environ" option to "-heur-stdlib".
531 Disable "-lc-mask" and "-lc-shift" options.
532 (__mf_dynamic): Add function pointers for pthread_join/_exit.
533 (__assert_fail): New self-contained function for glibc.
534 * mf-hooks3.c: Essentially rewritten, particularly related to
535 use of __mf_pthread_info array.
536 (pthread_join, _exit): New hook functions.
537 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
538 * testsuite/libmudflap.cth/pass40-frag.c: New test.
541 * mf-heuristics.c: Add type casts for tracing, sub calls.
542 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
543 Update all callers to declare explicit result holder.
544 (END_PROTECT): Removed.
545 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
547 2003-07-15 Diego Novillo <dnovillo@redhat.com>
549 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
550 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
551 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
553 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
555 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
557 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
558 Move these macros from old mf-hooks.c here.
559 * Makefile.am: Adapt to split-up hook sources for faster builds.
560 * Makefile.in: Regenerated.
562 * mf-heuristics.c: Remove #if-0 block.
564 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
565 (__mf_starting_p): New state only for use while dlsym bootstrapping.
566 (CALL_REAL, __mf_init): Corresponding changes.
567 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
568 all callers to remove redundant "mf:" prefix.
569 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
570 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
571 (__mf_pthread_info): Become a hash table.
573 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
574 "dg-repetitions" directives to control test case execution.
575 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
577 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
579 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
581 * mf-hooks.c (alloca): Separate into stub.
582 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
583 malloc/free for alloca blocks.
584 (pthread_create): Tolerate failing pthread_attr_get* calls.
585 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
586 * mf-impl.h (CALL_WRAP): Remove macro.
587 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
588 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
589 padding for ia64 BIT_FIELD_REF constructs.
591 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
593 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
594 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
595 libmudflap object type.
596 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
597 crashes on unregistering STATIC objects.
599 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
601 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
602 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
603 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
604 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
605 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
606 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
607 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
608 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
609 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
610 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
611 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
612 (accept, bind, connect, gethostname, sethostname): New hooks.
613 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
614 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
615 (semop, semctl, shmctl, shmat, shmdt): New hooks.
616 * mf-runtime.h.in: Corresponding changes.
617 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
618 (opts) Rename heur_argv_environ to heur_std_data.
619 (__mf_wrap_main): Use STATIC type for argv/environ strings.
620 * Makefile.am: Corresponding changes.
621 * Makefile.in: Regenerated.
623 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
625 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
626 heuristic for threaded case, and for non-x86-linux targets.
627 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
628 for use during pre-main() program startup.
629 (__mf_0fn_*): Make these functions non-static.
630 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
632 * mf-runtime.c (__mf_state): Set initial state to "starting".
633 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
634 (__wrap_main): New function to register argv[] and environ[] strings.
636 (*): In all trace functions, use "%p" as formatter for uintptr_t.
638 * testsuite/libmudflap.c/pass38-frag.c: New test case.
639 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
641 * acinclude.m4: Add comments with aoliva's concerns about x86_64
643 * aclocal.m4, configure: Regenerated.
645 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
647 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
648 * aclocal.m4, configure: Regenerated.
650 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
652 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
653 for x86_64 target. Disable caching for this value.
654 * aclocal.m4, configure: Regenerated.
656 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
658 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
659 is about to become deprecated, and its present handling bugs are
662 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
664 * testsuite/libmudflap.c/pass38-frag.c: New test for
667 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
669 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
670 __mf_report, asserting reentrant calling context.
672 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
674 * mf-hooks.c (realloc): Correct reentrancy logic.
675 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
677 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
679 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
680 PTHREAD_THREADS_MAX. Update users.
681 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
683 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
684 with libmudflapth presence indicator.
685 * testsuite/Makefile.in: Regenerated.
687 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
689 * Makefile.am (AM_CFLAGS): Remove "-ansi".
690 * configure.in: Remove silly no-pthreads => no-shared logic.
691 * Makefile.in, configure: Regenerated.
692 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
693 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
694 code. Count reentrancy events.
695 (all hook functions): Don't directly manipulate __mf_state variable.
696 Add TRACE calls to hook functions without them.
697 * mf-impl.h (LOCKTH): Try to count lock contention events.
698 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
699 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
700 Reorganize reentrancy code.
701 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
702 identify reentrancy with mutex holding times.
703 (internal __mfu_ entry points): Remove internal reentrancy code.
704 (__mf_init): Use ordinary locked calls.
705 (__mfu_report): Print the two new counts.
706 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
707 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
708 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
709 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
712 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
714 * configure.in: Add pthread support, plus glibc and porting hacks.
715 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
716 from objects built into ./pth/.
717 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
718 functions for internal entry points. Update callers to pick
719 locked vs. unlocked variants.
720 (__mf_resolve_single_dynamic): Extend to support symbol versioning
721 info coming in from a static data structure.
722 (*): Reorder miscellaneous declarations to group data vs functions.
723 (__mf_set_default_options): Simplify.
724 (__mf_usage): Mention threading status of host executable.
725 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
726 decls to match above.
727 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
728 * mf-heuristics.c: Choose between locked/unlocked calls. Add
729 some lock/unlock markers. Remove some unused code.
731 (pthread_create): New hook function.
732 (__mf_pthread_cleanup, _spawner): New helper functions.
733 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
735 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
737 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
739 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
741 * Makefile.am (HOOKOBJS): Add *time related hooks.
742 * configure.in: Look for pthreads.h header.
743 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
744 * mf-runtime.c: Begin sketching some pthreads support.
745 (__mf_usage): Check for -lpthread presence.
746 (__mf_unregister): Confirm matching unregistration base.
747 (__mf_find_objects_rec): Reduce unnecessary recursion.
748 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
749 #defines for new hook functions.
750 * mf-impl.h: Corresponding changes.
751 * config.h.in, configure, Makefile.in: Regenerated.
753 2002-04-27 Diego Novillo <dnovillo@redhat.com>
755 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
756 modifiers to prevent being optimized away.
757 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
758 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
759 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
760 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
761 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
762 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
763 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
765 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
767 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
768 * configure.in: Look for uintptr_t and -ldl on target.
769 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
770 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
771 * testsuite/Makefile.in: Regenerated.
772 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
773 for better C compliance.
775 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
777 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
779 * mf-runtime.c (__mf_set_default_options): Turn off
780 check-initialization.
781 (__mf_describe_object): Shorten description.
782 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
784 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
786 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
788 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
790 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
792 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
793 * mf-impl.h (CALL_BACKUP): New macros.
794 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
796 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
798 * Makefile.am (AM_CFLAGS): Remove optimization flags.
799 (HOOKOBJS): Remove dlopen hook.
800 (libmudflap_la_LIBADD): Add -ldl.
801 * mf-hooks.c (dlopen): Remove hook.
802 * mf-impl.h (__mf_dynamic): Ditto.
803 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
804 * Makefile.in: Regenerated.
806 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
808 * configure.in: Check for target gettimeofday, signal, some headers.
809 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
810 out inop multi_threaded field.
811 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
812 (__mf_set_options): Correct handling of "-help".
813 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
814 (__mf_check, __mf_register, __mf_unregister): Call it.
815 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
816 (__mf_report_leaks): Make callable
817 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
818 distribution statistics.
819 (__mf_adapt_cache): Rewrite shift guessing logic based on address
821 * config.h.in, configure: Regenerated.
822 * testsuite/libmudflap.c/fail27-frag.c: New test.
823 * testsuite/libmudflap.c/pass36-frag.c: New test.
825 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
827 * mf-runtime.h.in: Tweak.
828 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
829 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
830 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
832 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
834 * configure.in: Tweak generation of mf-runtime.h some more. It
835 needs to work from both config.status and configure.
836 * configure: Regenerated.
838 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
840 * Makefile.am: Reorganize hook file building. Add auto dependencies.
841 * configure.in: Tweak generation of mf-runtime.h.
842 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
843 * mf-hooks.c (*): Adapt to initialized-heap object type.
844 * mf-impl.h: Tweak cemetary boundaries.
845 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
847 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
848 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
849 * testsuite/lib/libmudflap.exp (includes): Include build tree.
850 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
852 * testsuite/.../fail{25,26}-frag.c: New tests.
853 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
854 * Makefile.in, configure: Regenerated.
856 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
858 * mf-runtime.c (__mf_set_default_options): Turn on initialization
860 (__mf_insert_new_object): As a temporary hack, assume that new
861 objects registered on the stack start out initialized.
862 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
863 heap objects by hand.
865 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
867 Switch to macro-style hooks for str*/mem*/b* functions.
868 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
869 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
870 * mf-runtime.c: #include config.h to enable glibc backtraces again.
871 (__mf_set_default_options): Turn off heur_proc_map.
872 (*): Adapt to to macro-style hook functions.
873 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
874 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
875 (__mf_violation): Handle __MF_VIOL_WATCH.
876 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
877 (__mf_dynamic): Removed mem*/str*/b* functions.
878 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
879 (WRAPPER2): New macro for macro-style hooks.
880 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
882 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
883 * mf-heuristics.c: Adapt to macro-style hook functions.
884 Correct some comments.
885 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
886 output pattern tests.
887 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
888 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
890 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
892 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
893 for global array registration.
894 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
895 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
897 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
899 * Makefile.am: Add gross make bug workarounds. Tweaked
900 SUBDIRS and AM_CFLAGS.
901 * Makefile.in: Regenerated.
903 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
906 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
907 * Makefile.am (TESTS): Remove simple automake testing.
908 * configure, Makefile.in: Regenerated.
909 (SUBDIRS): Include new testsuite/ directory.
910 * tests/*: Removed all files; moved bulk under:
911 * testsuite/*: New subdirectory tree.
912 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
913 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
914 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
915 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
916 * testsuite/config/default.exp: New file.
917 * testsuite/Makefile.am, Makefile.in: New files.
919 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
921 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
922 (TESTS): Add fail22 and pass29 tests.
923 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
924 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
925 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
926 values. Move __MF_VIOL* here.
927 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
928 (check_initialization): New field in __mf_opts. Default off.
929 (read_count,write_count): New fields in __mf_object.
930 (__mf_check): Implement basic initialization checking.
931 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
932 (__mf_describe_object): Print new fields.
933 (__mf_violation): Identify check/read vs. check/write in messages.
934 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
935 "-check-initialized" mudflap option.
936 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
937 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
938 Drop __FILE__/__LINE__ hack. Update callers.
939 (*): Adapt to new mf-runtime.h API.
940 * Makefile.in: regenerated.
942 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
944 * configure.in: Build mf-runtime.h a more proper way.
945 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
946 * mf-runtime.c (verbose_violations): Turn on by default.
947 * mf-runtime.h.in: Remove some miscellaneous stuff ...
948 * mf-impl.h: ... and move it here.
949 * configure: Regenerated.
951 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
953 * configure.in: Look for C++ compiler.
954 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
955 fixed type warnings when built with C++.
956 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
957 * Makefile.am (TESTS): Run them.
958 (*) Add new rules for building and running C++ tests.
959 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
960 * mf-runtime.h.in: Protect with extern "C".
961 * Makefile, configure: Regenerated.
963 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
965 Portability improvements.
966 * configure.in: Look for glibc backtrace headers/functions.
967 * mf-hooks.c: Don't include <execinfo.h> any more.
968 * mf-runtime.c (__mf_set_options): Call more stdlib functions
970 (__mf_backtrace): Provide alternate baby implementation in
972 * test/mf-driver.c: Portability tweaks.
973 * acinclude.m4: New file, containing top level libtool.m4.
974 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
976 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
978 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
980 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
982 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
984 (__mf_unregister): Implement stack/heap object wiping.
985 (__mf_set_options): Renamed from __mf_process_opts.
986 (__mf_uncache_object): Change arg type, correct callers.
987 * mf-impl.h: Corresponding changes.
988 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
989 * mf-runtime.h.in (__mf_set_options): Extend public API.
990 * test/pass26-frag.c: New test for stack wiping.
991 * Makefile.am (TESTS): Run it.
992 * Makefile.in: Regenerated.
994 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
996 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
997 * mf-runtime.c (__mf_object_t): Add watching_p field.
998 (__mf_watch_or_not): New function to implement
999 object watch flagging.
1000 (__mf_watch, __mf_unwatch): New wrappers for above.
1001 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1002 (__mf_count_violation): Enlarge array.
1003 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1004 unlink object. Clear cache properly.
1005 (__mf_unregister): Unlink object explicitly before uncaching.
1006 * test/fail21-frag.c, pass25-frag.c: New tests.
1007 * Makefile.in, aclocal.m4: Regenerated.
1009 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1011 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1012 * Makefile.am (TESTS): Add it.
1013 * test/pass-stratcliff.c: Add decls of stpcpy.
1014 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1015 build tree from config.h and new file mf-runtime.h.in.
1016 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1017 * Makefile.in, configure, config.h.in: Regenerated.
1018 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1019 * mf-runtime.c (options, __mf_set_default_options): Support new
1020 default "abbreviate" option.
1021 (__mf_object.description_epoch): New field.
1022 (__mf_describe_object): Conditionally abbreviate objects already
1023 displayed in current epoch. Accept NULL input to increment epoch.
1024 (__mf_fini, __mf_ini): Reset description epoch.
1025 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1026 that NULL pointer slot in lookup cache is invalidated. Register a
1027 NOACCESS region around NULL.
1028 * mf-impl.h: Corresponding changes.
1030 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1032 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1033 * Makefile.am: Run them. Install mf-runtime.h.
1034 * Makefile.in: Regenerated.
1035 * mf-hooks.c: Add some markers for more missing functions.
1036 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1037 statistic to tune tune cache size (mask).
1039 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1041 * test/pass23-frag.c: New test for bit_field_ref expressions.
1042 * Makefile.am, Makefile.in: Add new test.
1043 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1044 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1045 * mf-runtime.c (__mf_init): Register errno global.
1046 (__mf_find_object): Removed function.
1047 (__mf_check): Rewrite logic to support accesses across some
1048 contiguous but distinctly registered objects.
1049 (__mf_remove_old_object): Tolerate cache entries that span
1052 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1054 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1055 * Makefile.am, Makefile.in: Run new tests.
1056 * mf-hooks.c (alloca): Correct stack direction logic.
1058 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1060 * mf-impl.h (adapt_cache): New option.
1061 * mf-runtime.c (__mf_set_default_options): Set its default value.
1062 Tweak the tree_aging parameter down.
1063 (__mf_check): Maintain separate counter for cache-adaptation.
1064 (__mf_tree_analyze): New function to collect object tree stats.
1065 (__mf_adapt_cache): New function to automate cache parameters.
1067 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1069 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1070 hypothetical #if-0'd argv/envp region registration.
1071 * mf-runtime.c (__mf_init): Add kludged form of above.
1072 (*) Add "heur_argv_environ" flag, default on, to govern this.
1073 * mf-impl.h: Corresponding changes.
1075 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1077 * test/fail18-frag.c: New test file for NOACCESS regions.
1078 * Makefile.am (TESTS): Add new test.
1079 * Makefile.in: Regenerated.
1081 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1082 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1083 (optimize_object_tree): Remove unused mudflap_option.
1084 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1085 support throughout. Use .._MAX_CEM for cemetary upper bound.
1086 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1088 (__mf_object): Add new liveness field for use by tree aging.
1089 (__mf_check): Trigger tree aging when needed.
1090 (__mf_age_tree): New function to decay liveness field.
1091 (__mf_find_objects_rec): Use liveness field to rotate tree.
1092 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1093 (__mf_unregister): Ditto.
1094 (__mf_register): Tweak duplicate-static message.
1095 (__mf_violation: Tweak nearby-object counter printing.
1097 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1099 * test/pass20-frag.c: New test file.
1100 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1101 * Makefile.in: Regenerated.
1103 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1104 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1105 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1106 entries to avoid repeat registration.
1107 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1108 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1110 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1112 * Makefile.am: Create test sources with #include, not cat>>.
1113 * Makefile.in: Regenerated.
1114 * test/buildtest.sh: Removed.
1115 * test/driver.c (abort_handler, main): Be quiet.
1117 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1119 * test/pass18-frag.c, pass19-frag.c: New tests.
1120 * Makefile.am (check): Run them. Rebuild test programs each time.
1121 * Makefile.in: Regenerated.
1123 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1125 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1126 overlapping object search.
1127 (__mf_violation): Likewise for nearby objects.
1128 Improve nearby-object listing.
1131 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1132 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1134 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1137 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1138 (HOOKOBJS): Add alloca-hook.o.
1139 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1141 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1142 (__mf_backtrace): Reimplement without using alloca.
1143 * Makefile.in: Regenerated.
1146 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1147 Correct signedness bugs in length-tracking variables.
1148 * mf-impl.h: Make options unsigned.
1149 (CALL_WRAP): New macro to parallel CALL_REAL().
1150 (DECLARE): Remove erroneous ";" at end.
1151 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1152 formatting specs with %08lx. Correct several compiler warnings.
1154 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1156 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1158 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1160 libmudflap hook breakup:
1161 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1163 (TESTS): Make dependent on libmudflap.
1164 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1165 compiled from segments of mf-hooks.c.
1166 * mf-hooks.c: Corresponding changes: wrap each function in
1168 * Makefile.in: Regenerated.
1170 Heuristics reorganization:
1171 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1172 Remove these functions. Update callers.
1173 (__mf_heuristic_check): Incorporate all the various heuristics.
1174 Encode cacheability/retry judgement into trinary return value.
1175 Separate start-end logic into a separate fallback heuristic. Only
1176 register relevant /proc/self/map segments.
1177 * mf-impl.h: Corresponding changes.
1178 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1179 (__mf_init): Don't call __mf_init_heuristics.
1182 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1183 "-verbose-trace" to emit all tracing messages other than those of
1184 basic public api. Eliminate some duplicate/excessive messages.
1185 * mf-runtime.h: Corresponding changes.
1187 2002-08-27 Graydon Hoare <graydon@redhat.com>
1189 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1190 and __real when compiled with -DPIC.
1191 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1192 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1193 * Makefile.in: Regenerate.
1195 2002-08-26 Graydon Hoare <graydon@redhat.com>
1197 * mf-impl.h: New file, private implementation header.
1198 * mf-runtime.h: Reorganize a bit.
1199 (CLAMPSZ): Fix arithmetic.
1200 (__MF_CACHE_MISS_P): Fix arithmetic.
1201 * mf-runtime.c: Reorganize a bit.
1202 (__mf_dynamic): New structure.
1203 (resolve_single_dynamic): New function.
1204 (__mf_resolve_dynamics): New function.
1205 (__mf_init): Initialize dynamic wrappers.
1206 * mf-hooks.c: Macro-ize __real calls.
1207 Clamp various bits of arithmetic.
1208 Add explicit __mf_check call contexts.
1209 * Makefile.am: Add dependencies on mf-impl.h
1210 * Makefile.in: Regenerate.
1211 * configure.in: Comment out shared override.
1212 * configure: Regenerate.
1214 2002-08-22 Graydon Hoare <graydon@redhat.com>
1216 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1217 (__mf_check): Re-inialize and check heuristics before violation.
1218 (__mf_register): Permit updating pure-guess regions.
1219 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1220 (__wrap_dlopen): New wrapper function.
1221 (__wrap_mmap): New wrapper function.
1222 (__wrap_munmap): New wrapper function.
1223 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1224 which are not stack addresses.
1225 (is_stack_address): New function.
1226 (__mf_init_heuristics): Save and restore state, always initialize with
1229 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1231 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1232 error. Pass location string.
1233 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1234 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1235 (__mf_process_opts): Apply some sanity checking for lc-mask.
1236 (__mf_check, __mf_violation): Take new location-string argument.
1237 Update callers to pass NULL if necessary.
1238 (__mf_backtrace): New smart backtracer function. Calls replace
1239 several ad-hoc blocks elsewhere.
1240 (__mf_describe_object): Remove bad reentrancy test. Improve
1242 * mf-runtime.h: Corresponding changes. Public/private markup.
1243 (__MF_CACHE_MISS_P): New macro.
1245 2002-08-20 Graydon Hoare <graydon@redhat.com>
1247 * mf-runtime.h: New option: stack_bound (heuristic).
1248 Move some macros out of implementation files.
1249 * mf-runtime.c: New option string: -stack-bound.
1250 Unify recursion protection with hooks.
1252 (__mf_check): Call __mf_heuristic_check.
1253 (__mf_process_opts): Fix "no-" processing.
1254 * mf-heuristics.c (__mf_heuristic_check): New function.
1255 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1257 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1259 Option parsing improvements, region splitting bug fixes:
1260 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1261 * mf-runtime.h (heur_proc_map): New libmudflap option.
1262 * mf-runtime.c (__mf_set_default_options): Set it.
1263 (__mf_usage): Print default values/status.
1264 (__mf_process_opts): Support general "no-" option string prefix.
1265 (__mf_init): Print __mf_usage on unknown-option error.
1266 (__mf_register): Print trace message up front.
1267 Correct region splitting logic for case where a subregion disappears.
1268 Correct memory leak.
1269 (__mf_violation): Make even basic message conditional on option.
1272 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1273 (clean-local): New target.
1274 (test/*x rules): Add -g CFLAGS.
1275 (CFLAGS): Add -freorder-blocks.
1276 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1277 * Makefile.in: Regenerated.
1278 * Makefile, mf-config.h: Removed files.
1280 2002-08-16 Graydon Hoare <graydon@redhat.com>
1282 * mf-runtime.c (__mf_insert_new_object): Factor out of
1284 (__mf_remove_old_object): Factor out of __mf_unregister.
1285 (__mf_register): Handle guessed regions, splitting
1286 guesses when new registrations arrive.
1287 (__mf_unregister): Do not unregister guesses.
1288 * mf-runtime.h: Move convenience macros around,
1289 declare new option fields. Add __MF_TYPE_GUESS.
1290 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1291 (__wrap_free): Call __real_free for deferred frees.
1292 * Makefile.am: Add more tests, fix dependency.
1293 * Makefile.in: Regenerate.
1294 * test/pass[13..17]-frag.c: New testcases.
1295 * test/fail[13..17]-frag.c: New testcases.
1297 2002-08-15 Graydon Hoare <graydon@redhat.com>
1299 * mf-heuristics.c: New file.
1300 * mf-runtime.c (options): Add -trace-calls option.
1301 (__mf_init): Call __mf_init_heuristics.
1303 2002-08-14 Graydon Hoare <graydon@redhat.com>
1305 * Makefile.am (TESTS): Add testsuite support.
1306 * Makefile.in: Regenerate.
1307 * test/mf-driver.c: New file.
1308 * test/buildtest.sh: New file.
1309 * test/passNN-frag.c: New testcases.
1310 * test/failNN-frag.c: New testcases.
1312 2002-08-14 Graydon Hoare <graydon@redhat.com>
1314 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1315 verifying non-size-limited string extents.
1317 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1319 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1320 instead of plain str[n]len for internal checks.
1321 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1323 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1325 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1327 2002-08-13 Graydon Hoare <graydon@redhat.com>
1329 * mf-runtime.c: Rework configuration to operate on
1330 environment variable options rather than #defines
1331 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1332 (__mf_init): Set static __mf_active_p flag on startup,
1333 to inhibit mudflap wrap-based checking during crt0.s.
1334 * mf-runtime.h: Declare options structure.
1335 * mf-hooks.c: New wrappings for mem*, b*, str*
1336 libc functions (temporarily #if 0-ed out).
1338 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1340 * Makefile.am, configure.in: New files.
1341 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1342 * stamp-h.in, aclocal.m4: Ditto.
1344 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1346 * Makefile: New file.
1347 * mf-config.h: New file: runtime configuration.
1348 * mf-hooks.c: New file: interposed libc functions.
1349 * mf-runtime.c: New file: bulk of runtime.
1350 * mf-runtime.h: New file: public functions.