1 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
3 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
4 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
6 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
9 * testsuite/libmudflap.c++/pass55-frag.c: New test.
11 2005-01-05 Richard Henderson <rth@redhat.com>
13 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
15 2005-01-02 Greg McGary <greg@mcgary.org>
17 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
18 * mf-runtime.h: New file, replaces mf-runtime.h.in.
19 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
21 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
22 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
23 * testsuite/libmudflap.c/fail36-frag.c: New test.
24 * testsuite/libmudflap.c/fail37-frag.c: New test.
25 * testsuite/libmudflap.c/fail38-frag.c: New test.
27 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
29 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
30 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
32 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
34 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
35 * aclocal.m4: Include ../config/gcc-version.m4.
36 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
38 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
40 * Makefile.am: Define ACLOCAL_AMFLAGS.
41 * acinclude.m4: Remove.
42 * stamp-h.in: Remove superfluous stamp file.
43 * aclocal.m4, configure, Makefile.in: Regenerate.
44 * testsuite/Makefile.in: Likewise.
46 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
48 * Makefile.am: Revert previous.
49 * acinclude.m4: Restore.
50 * aclocal.m4, configure, Makefile.in: Regenerate.
51 * testsuite/Makefile.in: Likewise.
53 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
55 * Makefile.am: Define ACLOCAL_AMFLAGS.
56 * acinclude.m4: Remove.
57 * aclocal.m4, configure, Makefile.in: Regenerate.
58 * testsuite/Makefile.in: Likewise.
60 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
62 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
64 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
66 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
67 * testsuite/Makefile.in: Likewise.
69 2004-11-01 Andreas Schwab <schwab@suse.de>
71 * configure.ac: (target_alias): Default to $host_alias, not
73 * configure: Regenerated.
75 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
77 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
78 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
81 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
84 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
86 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
88 * configure.ac: Check for more headers, functions.
89 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
90 tracking overridden FILE buffers.
91 (fopen, setvbuf): New/revised hook functions for buffer overriding.
92 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
93 (fflush): Accept given NULL stream (means "all streams").
95 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
97 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
98 (__mf_adapt_cache): Use them all.
99 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
100 * testsuite/libmudflap.c++/ctors.exp: Ditto.
101 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
102 * configure, config.h.in: Regenerated.
104 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
106 * configure.ac: Checking for sys/socket.h once is enough.
107 * configure: Regenerated.
109 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
111 * configure.ac: Look for more headers & functions.
112 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
113 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
114 * mf-runtime.c (options): Clean up integer signedness warnings.
115 (main): Add a declaration to fix a warning.
116 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
117 * configure, config.h.in: Regenerated.
119 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
121 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
122 New tests for proper base/limit checking for aggregates.
124 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
126 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
128 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
130 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
131 * mf-hooks2.c (strerror): Unregister previous string returned by
133 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
134 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
135 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
136 * mf-runtime.c (__mf_describe_object): Clarify object life status.
137 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
139 * configure, config.h.in: Regenerated.
141 2004-08-03 Dale Johannesen <dalej@apple.com>
143 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
145 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
147 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
148 simplified contents in all former callers.
150 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
152 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
153 the statically linked case.
155 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
157 * splay-tree.[ch]: Remove. Merge contents into ...
158 * mf-runtime.c: ... here, renaming symbols and making all functions
159 static. Remove unused min/max functions.
160 * Makefile.am: Forget about splay-tree.[ch].
161 * Makefile.in, testsuite/Makefile.in: Regenerated.
163 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
165 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
166 (__mfu_usage): Include (C) 2004.
167 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
168 here. Include a comment explaining why.
170 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
172 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
173 * mf-runtime.c (options): Give them a name.
174 (__mf_set_default_options): Set them.
175 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
176 (__mf_violation): Warning cleanup.
177 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
178 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
180 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
183 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
186 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
188 Test case for g++/15861
189 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
190 * testsuite/libmudflap.c++/ctors.exp: Driver.
191 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
192 Look only for *frag* test cases.
194 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
196 ANSI C conversion, libmudflap specialization, recursion limiting.
197 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
198 argument and indirection function pointers, update callers.
199 (splay_tree_s): Add statistics and recursion control fields
200 num_keys, max_depth, depth, rebalance_p.
201 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
202 Back out of search if it exceeds limit.
203 (splay_tree_splay): Manage recursion limiting with rebalancing as
205 (splay_tree_new): More initialization.
206 (splay_tree_rebalance): New function.
207 (splay_tree_foreach): Rewrite using nonrecursive logic.
208 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
209 Remove. Point indirect calls to mf-runtime.c's routines.
210 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
212 (splay_tree_delete, splay_tree_delete_helper): Ditto.
213 * testsuite/heap-scalestress.c: New test based on one from
214 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
216 2004-07-05 Matthias Klose <doko@debian.org>
218 * libtool-version: New.
219 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
220 Use -version-info for soname.
221 * Makefile.in: Regenerate.
222 * configure.ac: Remove libtool_VERSION macro
223 * configure: Regenerate
225 2004-07-05 Zack Weinberg <zack@codesourcery.com>
227 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
228 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
231 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
233 Splay tree implementation fork.
234 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
235 Use hard-coded comparison function for uintptr_t. Remove key/value
236 deallocation logic. Cache last splayed key for consecutive lookups.
237 * Makefile.am, Makefile.in: Use them, don't link to them.
238 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
239 (__mf_find_objects2): Flip successor/predecessor search sequence.
240 * ansidecl.h, libiberty.h: Removed dummy files.
242 2004-06-29 Nick Clifton <nickc@redhat.com>
244 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
245 * configure: Regenerate.
246 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
248 Remove spurious inclusion of <strings.h>.
250 2004-06-29 Nick Clifton <nickc@redhat.com>
252 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
253 function actually exists.
255 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
257 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
258 * config.h.in: Regenerated.
260 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
262 Adopt splay trees for object database.
263 * Makefile.am: Copy splay-tree.* from libiberty.
264 * Makefile.in, testsuite/Makefile.in: Regenerated.
265 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
266 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
267 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
268 * mf-runtime.c: Rewrite code dealing with object database to use
269 libiberty splay trees. Remove tree liveness aging option.
270 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
272 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
274 * configure.ac: New name of configure.in. Update
275 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
276 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
277 Autoconf 2.5x and Automake 1.7 or later.
278 * configure.in: Remove.
279 * configure: Regenerate.
281 * Makefile.am: Remove useless multilib rules.
282 * Makefile.in: Regenerate.
284 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
286 * .cvsignore: New file.
288 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
291 * mf-hooks2.c (semctl): Add cygwin porting hack.
293 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
296 * configure.in: Look for ctype header and glibc implementation.
297 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
298 array hooks for glibc 2.3.
299 * mf-runtime.h.in: Wrap them.
300 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
302 * testsuite/libmudflap.c/pass47-frag.c: New test.
303 * configure, config.h.in: Regenerated.
305 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
307 Portability improvements, e.g., libmudflap/15293.
308 * configure.in: Look for glibc extension functions. Look for
309 support of -f{function,data}-sections. Look for more headers.
310 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
311 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
312 mf-hooks* into usual single object per source.
313 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
314 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
315 if system doesn't provide one.
316 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
317 (pthread_create): Use it to properly GC dead thread stacks.
318 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
319 * testsuite/Makefile.am: Stop generating site.exp.
320 * testsuite/mfconfig.exp.in: New file.
321 * testsuite/config/default.exp: Load new mfconfig.exp.
322 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
323 (prune_gcc_output): Add glibc static linking warnings.
324 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
325 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
326 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
327 Regenerated with autoconf 2.57 and automake 1.7.
329 2004-06-04 Per Bothner <per@bothner.com>
331 * configure.in (LIBMUDFLAPTH): Fix thinko.
333 * configure.in: Check for more headers.
334 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
336 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
337 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
339 2004-06-01 Andreas Jaeger <aj@suse.de>
341 * configure.in: Handle multilibs, support
342 --enable-version-specific-runtime-libs.
343 * Makefile.am (lib_LTLIBRARIES): Rename to ...
344 (toolexeclib_LTLIBRARIES): this for multilib support.
345 * Makefile.in: Regenerated.
346 * configure: Regenerated.
347 * aclocal.m4: Regenerated.
348 * config.h.in: Regenerated.
349 * testsuite/Makefile.in: Regenerated.
351 2004-06-01 Andreas Jaeger <aj@suse.de>
353 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
354 multilibs, using multilib directory instead of hardcoded path.
357 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
359 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
360 * Makefile.in: Ditto.
362 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
364 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
365 * aclocal.m4, configure: Rebuilt.
367 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
369 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
370 import some build settings from libstdc++-v3 testsuite_flags.
371 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
372 changes to pass test language.
374 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
375 quicker mode-nop handling.
377 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
379 * mf-impl.h: Added libgcc license header.
381 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
383 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
384 Added libgcc license header.
385 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
386 (pthread_create): Simplify stack allocation syntax.
388 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
390 * mf-hooks2.c: Support FreeBSD.
391 (WRAP_gets): Avoid gets().
392 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
393 test unimplemented mem/str calls on FreeBSD.
394 * testsuite/libmudflap.c/pass21-frag.c: Do not include
395 <alloca.h> on FreeBSD.
397 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
399 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
400 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
401 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
402 flags for static linking permutation.
403 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
404 some pthreads code that croaks on linux glibc tls.
406 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
408 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
410 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
412 * testsuite/libmudflap.c/pass44-frag.c: New test.
414 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
416 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
418 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
420 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
422 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
424 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
426 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
429 * configure.in: Add check for see if
430 socklen_t typedef is in sys/socket.h.
431 * mf-hooks1.c: Add define if socklen_t
433 * mf-hooks2.c: Likewise.
434 * mf-hooks3.c: Likewise.
435 * config.h.in: Regen.
438 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
440 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
441 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
443 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
444 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
445 (unoptimized) allocation of stack space.
447 2003-12-07 Richard Henderson <rth@redhat.com>
449 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
450 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
452 2003-12-06 Andrew Pinski <apinski@apple.com>
454 partial PR libmudflap/12670
455 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
456 * mf-hooks2.c: Likewise.
457 * mf-hooks3.c: Likewise.
459 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
462 * mf-runtime.h.in: Switch to #pragma redefine_extname for
463 symbols interposed at compile time.
464 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
467 * mf-hooks2.c (semctl): Tolerate FreeBSD.
469 * configure.in: Reorganize check for <pthread.h>.
470 * configure: Regenerated.
472 2003-11-04 David Edelsohn <edelsohn@gnu.org>
474 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
475 (_LARGE_FILE_API): Define for AIX.
476 * mf-hooks[123]: Same.
477 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
479 2003-10-21 David Edelsohn <edelsohn@gnu.org>
481 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
483 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
485 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
487 * configure.in: Update check for union semun.
489 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
492 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
494 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
497 * configure.in: Add checks for 64-bit LFS functions, struct semun
498 definition, for BSD compatibility.
499 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
500 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
501 * mf-hooks3.c: Ditto.
502 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
504 * configure, config.h.in: Regenerated.
506 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
508 Multithreading fixes:
509 * mf-runtime.c (__mf_object): Store allocating/deallocating
511 (options): Support new "-thread-stack" option.
512 Rename "-heur-argv-environ" option to "-heur-stdlib".
513 Disable "-lc-mask" and "-lc-shift" options.
514 (__mf_dynamic): Add function pointers for pthread_join/_exit.
515 (__assert_fail): New self-contained function for glibc.
516 * mf-hooks3.c: Essentially rewritten, particularly related to
517 use of __mf_pthread_info array.
518 (pthread_join, _exit): New hook functions.
519 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
520 * testsuite/libmudflap.cth/pass40-frag.c: New test.
523 * mf-heuristics.c: Add type casts for tracing, sub calls.
524 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
525 Update all callers to declare explicit result holder.
526 (END_PROTECT): Removed.
527 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
529 2003-07-15 Diego Novillo <dnovillo@redhat.com>
531 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
532 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
533 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
535 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
537 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
539 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
540 Move these macros from old mf-hooks.c here.
541 * Makefile.am: Adapt to split-up hook sources for faster builds.
542 * Makefile.in: Regenerated.
544 * mf-heuristics.c: Remove #if-0 block.
546 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
547 (__mf_starting_p): New state only for use while dlsym bootstrapping.
548 (CALL_REAL, __mf_init): Corresponding changes.
549 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
550 all callers to remove redundant "mf:" prefix.
551 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
552 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
553 (__mf_pthread_info): Become a hash table.
555 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
556 "dg-repetitions" directives to control test case execution.
557 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
559 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
561 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
563 * mf-hooks.c (alloca): Separate into stub.
564 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
565 malloc/free for alloca blocks.
566 (pthread_create): Tolerate failing pthread_attr_get* calls.
567 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
568 * mf-impl.h (CALL_WRAP): Remove macro.
569 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
570 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
571 padding for ia64 BIT_FIELD_REF constructs.
573 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
575 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
576 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
577 libmudflap object type.
578 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
579 crashes on unregistering STATIC objects.
581 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
583 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
584 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
585 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
586 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
587 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
588 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
589 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
590 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
591 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
592 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
593 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
594 (accept, bind, connect, gethostname, sethostname): New hooks.
595 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
596 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
597 (semop, semctl, shmctl, shmat, shmdt): New hooks.
598 * mf-runtime.h.in: Corresponding changes.
599 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
600 (opts) Rename heur_argv_environ to heur_std_data.
601 (__mf_wrap_main): Use STATIC type for argv/environ strings.
602 * Makefile.am: Corresponding changes.
603 * Makefile.in: Regenerated.
605 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
607 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
608 heuristic for threaded case, and for non-x86-linux targets.
609 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
610 for use during pre-main() program startup.
611 (__mf_0fn_*): Make these functions non-static.
612 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
614 * mf-runtime.c (__mf_state): Set initial state to "starting".
615 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
616 (__wrap_main): New function to register argv[] and environ[] strings.
618 (*): In all trace functions, use "%p" as formatter for uintptr_t.
620 * testsuite/libmudflap.c/pass38-frag.c: New test case.
621 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
623 * acinclude.m4: Add comments with aoliva's concerns about x86_64
625 * aclocal.m4, configure: Regenerated.
627 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
629 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
630 * aclocal.m4, configure: Regenerated.
632 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
634 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
635 for x86_64 target. Disable caching for this value.
636 * aclocal.m4, configure: Regenerated.
638 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
640 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
641 is about to become deprecated, and its present handling bugs are
644 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
646 * testsuite/libmudflap.c/pass38-frag.c: New test for
649 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
651 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
652 __mf_report, asserting reentrant calling context.
654 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
656 * mf-hooks.c (realloc): Correct reentrancy logic.
657 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
659 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
661 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
662 PTHREAD_THREADS_MAX. Update users.
663 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
665 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
666 with libmudflapth presence indicator.
667 * testsuite/Makefile.in: Regenerated.
669 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
671 * Makefile.am (AM_CFLAGS): Remove "-ansi".
672 * configure.in: Remove silly no-pthreads => no-shared logic.
673 * Makefile.in, configure: Regenerated.
674 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
675 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
676 code. Count reentrancy events.
677 (all hook functions): Don't directly manipulate __mf_state variable.
678 Add TRACE calls to hook functions without them.
679 * mf-impl.h (LOCKTH): Try to count lock contention events.
680 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
681 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
682 Reorganize reentrancy code.
683 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
684 identify reentrancy with mutex holding times.
685 (internal __mfu_ entry points): Remove internal reentrancy code.
686 (__mf_init): Use ordinary locked calls.
687 (__mfu_report): Print the two new counts.
688 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
689 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
690 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
691 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
694 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
696 * configure.in: Add pthread support, plus glibc and porting hacks.
697 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
698 from objects built into ./pth/.
699 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
700 functions for internal entry points. Update callers to pick
701 locked vs. unlocked variants.
702 (__mf_resolve_single_dynamic): Extend to support symbol versioning
703 info coming in from a static data structure.
704 (*): Reorder miscellaneous declarations to group data vs functions.
705 (__mf_set_default_options): Simplify.
706 (__mf_usage): Mention threading status of host executable.
707 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
708 decls to match above.
709 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
710 * mf-heuristics.c: Choose between locked/unlocked calls. Add
711 some lock/unlock markers. Remove some unused code.
713 (pthread_create): New hook function.
714 (__mf_pthread_cleanup, _spawner): New helper functions.
715 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
717 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
719 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
721 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
723 * Makefile.am (HOOKOBJS): Add *time related hooks.
724 * configure.in: Look for pthreads.h header.
725 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
726 * mf-runtime.c: Begin sketching some pthreads support.
727 (__mf_usage): Check for -lpthread presence.
728 (__mf_unregister): Confirm matching unregistration base.
729 (__mf_find_objects_rec): Reduce unnecessary recursion.
730 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
731 #defines for new hook functions.
732 * mf-impl.h: Corresponding changes.
733 * config.h.in, configure, Makefile.in: Regenerated.
735 2002-04-27 Diego Novillo <dnovillo@redhat.com>
737 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
738 modifiers to prevent being optimized away.
739 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
740 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
741 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
742 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
743 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
744 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
745 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
747 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
749 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
750 * configure.in: Look for uintptr_t and -ldl on target.
751 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
752 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
753 * testsuite/Makefile.in: Regenerated.
754 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
755 for better C compliance.
757 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
759 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
761 * mf-runtime.c (__mf_set_default_options): Turn off
762 check-initialization.
763 (__mf_describe_object): Shorten description.
764 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
766 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
768 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
770 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
772 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
774 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
775 * mf-impl.h (CALL_BACKUP): New macros.
776 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
778 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
780 * Makefile.am (AM_CFLAGS): Remove optimization flags.
781 (HOOKOBJS): Remove dlopen hook.
782 (libmudflap_la_LIBADD): Add -ldl.
783 * mf-hooks.c (dlopen): Remove hook.
784 * mf-impl.h (__mf_dynamic): Ditto.
785 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
786 * Makefile.in: Regenerated.
788 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
790 * configure.in: Check for target gettimeofday, signal, some headers.
791 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
792 out inop multi_threaded field.
793 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
794 (__mf_set_options): Correct handling of "-help".
795 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
796 (__mf_check, __mf_register, __mf_unregister): Call it.
797 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
798 (__mf_report_leaks): Make callable
799 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
800 distribution statistics.
801 (__mf_adapt_cache): Rewrite shift guessing logic based on address
803 * config.h.in, configure: Regenerated.
804 * testsuite/libmudflap.c/fail27-frag.c: New test.
805 * testsuite/libmudflap.c/pass36-frag.c: New test.
807 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
809 * mf-runtime.h.in: Tweak.
810 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
811 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
812 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
814 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
816 * configure.in: Tweak generation of mf-runtime.h some more. It
817 needs to work from both config.status and configure.
818 * configure: Regenerated.
820 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
822 * Makefile.am: Reorganize hook file building. Add auto dependencies.
823 * configure.in: Tweak generation of mf-runtime.h.
824 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
825 * mf-hooks.c (*): Adapt to initialized-heap object type.
826 * mf-impl.h: Tweak cemetary boundaries.
827 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
829 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
830 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
831 * testsuite/lib/libmudflap.exp (includes): Include build tree.
832 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
834 * testsuite/.../fail{25,26}-frag.c: New tests.
835 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
836 * Makefile.in, configure: Regenerated.
838 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
840 * mf-runtime.c (__mf_set_default_options): Turn on initialization
842 (__mf_insert_new_object): As a temporary hack, assume that new
843 objects registered on the stack start out initialized.
844 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
845 heap objects by hand.
847 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
849 Switch to macro-style hooks for str*/mem*/b* functions.
850 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
851 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
852 * mf-runtime.c: #include config.h to enable glibc backtraces again.
853 (__mf_set_default_options): Turn off heur_proc_map.
854 (*): Adapt to to macro-style hook functions.
855 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
856 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
857 (__mf_violation): Handle __MF_VIOL_WATCH.
858 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
859 (__mf_dynamic): Removed mem*/str*/b* functions.
860 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
861 (WRAPPER2): New macro for macro-style hooks.
862 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
864 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
865 * mf-heuristics.c: Adapt to macro-style hook functions.
866 Correct some comments.
867 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
868 output pattern tests.
869 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
870 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
872 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
874 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
875 for global array registration.
876 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
877 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
879 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
881 * Makefile.am: Add gross make bug workarounds. Tweaked
882 SUBDIRS and AM_CFLAGS.
883 * Makefile.in: Regenerated.
885 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
888 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
889 * Makefile.am (TESTS): Remove simple automake testing.
890 * configure, Makefile.in: Regenerated.
891 (SUBDIRS): Include new testsuite/ directory.
892 * tests/*: Removed all files; moved bulk under:
893 * testsuite/*: New subdirectory tree.
894 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
895 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
896 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
897 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
898 * testsuite/config/default.exp: New file.
899 * testsuite/Makefile.am, Makefile.in: New files.
901 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
903 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
904 (TESTS): Add fail22 and pass29 tests.
905 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
906 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
907 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
908 values. Move __MF_VIOL* here.
909 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
910 (check_initialization): New field in __mf_opts. Default off.
911 (read_count,write_count): New fields in __mf_object.
912 (__mf_check): Implement basic initialization checking.
913 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
914 (__mf_describe_object): Print new fields.
915 (__mf_violation): Identify check/read vs. check/write in messages.
916 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
917 "-check-initialized" mudflap option.
918 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
919 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
920 Drop __FILE__/__LINE__ hack. Update callers.
921 (*): Adapt to new mf-runtime.h API.
922 * Makefile.in: regenerated.
924 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
926 * configure.in: Build mf-runtime.h a more proper way.
927 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
928 * mf-runtime.c (verbose_violations): Turn on by default.
929 * mf-runtime.h.in: Remove some miscellaneous stuff ...
930 * mf-impl.h: ... and move it here.
931 * configure: Regenerated.
933 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
935 * configure.in: Look for C++ compiler.
936 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
937 fixed type warnings when built with C++.
938 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
939 * Makefile.am (TESTS): Run them.
940 (*) Add new rules for building and running C++ tests.
941 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
942 * mf-runtime.h.in: Protect with extern "C".
943 * Makefile, configure: Regenerated.
945 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
947 Portability improvements.
948 * configure.in: Look for glibc backtrace headers/functions.
949 * mf-hooks.c: Don't include <execinfo.h> any more.
950 * mf-runtime.c (__mf_set_options): Call more stdlib functions
952 (__mf_backtrace): Provide alternate baby implementation in
954 * test/mf-driver.c: Portability tweaks.
955 * acinclude.m4: New file, containing top level libtool.m4.
956 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
958 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
960 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
962 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
964 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
966 (__mf_unregister): Implement stack/heap object wiping.
967 (__mf_set_options): Renamed from __mf_process_opts.
968 (__mf_uncache_object): Change arg type, correct callers.
969 * mf-impl.h: Corresponding changes.
970 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
971 * mf-runtime.h.in (__mf_set_options): Extend public API.
972 * test/pass26-frag.c: New test for stack wiping.
973 * Makefile.am (TESTS): Run it.
974 * Makefile.in: Regenerated.
976 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
978 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
979 * mf-runtime.c (__mf_object_t): Add watching_p field.
980 (__mf_watch_or_not): New function to implement
981 object watch flagging.
982 (__mf_watch, __mf_unwatch): New wrappers for above.
983 (__mf_check, __mf_describe_object): Handle objects with watching_p.
984 (__mf_count_violation): Enlarge array.
985 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
986 unlink object. Clear cache properly.
987 (__mf_unregister): Unlink object explicitly before uncaching.
988 * test/fail21-frag.c, pass25-frag.c: New tests.
989 * Makefile.in, aclocal.m4: Regenerated.
991 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
993 * test/fail20-frag.c: New test for NULL pointer dereferencing.
994 * Makefile.am (TESTS): Add it.
995 * test/pass-stratcliff.c: Add decls of stpcpy.
996 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
997 build tree from config.h and new file mf-runtime.h.in.
998 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
999 * Makefile.in, configure, config.h.in: Regenerated.
1000 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1001 * mf-runtime.c (options, __mf_set_default_options): Support new
1002 default "abbreviate" option.
1003 (__mf_object.description_epoch): New field.
1004 (__mf_describe_object): Conditionally abbreviate objects already
1005 displayed in current epoch. Accept NULL input to increment epoch.
1006 (__mf_fini, __mf_ini): Reset description epoch.
1007 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1008 that NULL pointer slot in lookup cache is invalidated. Register a
1009 NOACCESS region around NULL.
1010 * mf-impl.h: Corresponding changes.
1012 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1014 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1015 * Makefile.am: Run them. Install mf-runtime.h.
1016 * Makefile.in: Regenerated.
1017 * mf-hooks.c: Add some markers for more missing functions.
1018 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1019 statistic to tune tune cache size (mask).
1021 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1023 * test/pass23-frag.c: New test for bit_field_ref expressions.
1024 * Makefile.am, Makefile.in: Add new test.
1025 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1026 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1027 * mf-runtime.c (__mf_init): Register errno global.
1028 (__mf_find_object): Removed function.
1029 (__mf_check): Rewrite logic to support accesses across some
1030 contiguous but distinctly registered objects.
1031 (__mf_remove_old_object): Tolerate cache entries that span
1034 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1036 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1037 * Makefile.am, Makefile.in: Run new tests.
1038 * mf-hooks.c (alloca): Correct stack direction logic.
1040 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1042 * mf-impl.h (adapt_cache): New option.
1043 * mf-runtime.c (__mf_set_default_options): Set its default value.
1044 Tweak the tree_aging parameter down.
1045 (__mf_check): Maintain separate counter for cache-adaptation.
1046 (__mf_tree_analyze): New function to collect object tree stats.
1047 (__mf_adapt_cache): New function to automate cache parameters.
1049 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1051 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1052 hypothetical #if-0'd argv/envp region registration.
1053 * mf-runtime.c (__mf_init): Add kludged form of above.
1054 (*) Add "heur_argv_environ" flag, default on, to govern this.
1055 * mf-impl.h: Corresponding changes.
1057 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1059 * test/fail18-frag.c: New test file for NOACCESS regions.
1060 * Makefile.am (TESTS): Add new test.
1061 * Makefile.in: Regenerated.
1063 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1064 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1065 (optimize_object_tree): Remove unused mudflap_option.
1066 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1067 support throughout. Use .._MAX_CEM for cemetary upper bound.
1068 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1070 (__mf_object): Add new liveness field for use by tree aging.
1071 (__mf_check): Trigger tree aging when needed.
1072 (__mf_age_tree): New function to decay liveness field.
1073 (__mf_find_objects_rec): Use liveness field to rotate tree.
1074 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1075 (__mf_unregister): Ditto.
1076 (__mf_register): Tweak duplicate-static message.
1077 (__mf_violation: Tweak nearby-object counter printing.
1079 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1081 * test/pass20-frag.c: New test file.
1082 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1083 * Makefile.in: Regenerated.
1085 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1086 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1087 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1088 entries to avoid repeat registration.
1089 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1090 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1092 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1094 * Makefile.am: Create test sources with #include, not cat>>.
1095 * Makefile.in: Regenerated.
1096 * test/buildtest.sh: Removed.
1097 * test/driver.c (abort_handler, main): Be quiet.
1099 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1101 * test/pass18-frag.c, pass19-frag.c: New tests.
1102 * Makefile.am (check): Run them. Rebuild test programs each time.
1103 * Makefile.in: Regenerated.
1105 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1107 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1108 overlapping object search.
1109 (__mf_violation): Likewise for nearby objects.
1110 Improve nearby-object listing.
1113 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1114 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1116 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1119 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1120 (HOOKOBJS): Add alloca-hook.o.
1121 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1123 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1124 (__mf_backtrace): Reimplement without using alloca.
1125 * Makefile.in: Regenerated.
1128 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1129 Correct signedness bugs in length-tracking variables.
1130 * mf-impl.h: Make options unsigned.
1131 (CALL_WRAP): New macro to parallel CALL_REAL().
1132 (DECLARE): Remove erroneous ";" at end.
1133 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1134 formatting specs with %08lx. Correct several compiler warnings.
1136 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1138 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1140 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1142 libmudflap hook breakup:
1143 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1145 (TESTS): Make dependent on libmudflap.
1146 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1147 compiled from segments of mf-hooks.c.
1148 * mf-hooks.c: Corresponding changes: wrap each function in
1150 * Makefile.in: Regenerated.
1152 Heuristics reorganization:
1153 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1154 Remove these functions. Update callers.
1155 (__mf_heuristic_check): Incorporate all the various heuristics.
1156 Encode cacheability/retry judgement into trinary return value.
1157 Separate start-end logic into a separate fallback heuristic. Only
1158 register relevant /proc/self/map segments.
1159 * mf-impl.h: Corresponding changes.
1160 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1161 (__mf_init): Don't call __mf_init_heuristics.
1164 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1165 "-verbose-trace" to emit all tracing messages other than those of
1166 basic public api. Eliminate some duplicate/excessive messages.
1167 * mf-runtime.h: Corresponding changes.
1169 2002-08-27 Graydon Hoare <graydon@redhat.com>
1171 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1172 and __real when compiled with -DPIC.
1173 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1174 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1175 * Makefile.in: Regenerate.
1177 2002-08-26 Graydon Hoare <graydon@redhat.com>
1179 * mf-impl.h: New file, private implementation header.
1180 * mf-runtime.h: Reorganize a bit.
1181 (CLAMPSZ): Fix arithmetic.
1182 (__MF_CACHE_MISS_P): Fix arithmetic.
1183 * mf-runtime.c: Reorganize a bit.
1184 (__mf_dynamic): New structure.
1185 (resolve_single_dynamic): New function.
1186 (__mf_resolve_dynamics): New function.
1187 (__mf_init): Initialize dynamic wrappers.
1188 * mf-hooks.c: Macro-ize __real calls.
1189 Clamp various bits of arithmetic.
1190 Add explicit __mf_check call contexts.
1191 * Makefile.am: Add dependencies on mf-impl.h
1192 * Makefile.in: Regenerate.
1193 * configure.in: Comment out shared override.
1194 * configure: Regenerate.
1196 2002-08-22 Graydon Hoare <graydon@redhat.com>
1198 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1199 (__mf_check): Re-inialize and check heuristics before violation.
1200 (__mf_register): Permit updating pure-guess regions.
1201 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1202 (__wrap_dlopen): New wrapper function.
1203 (__wrap_mmap): New wrapper function.
1204 (__wrap_munmap): New wrapper function.
1205 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1206 which are not stack addresses.
1207 (is_stack_address): New function.
1208 (__mf_init_heuristics): Save and restore state, always initialize with
1211 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1213 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1214 error. Pass location string.
1215 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1216 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1217 (__mf_process_opts): Apply some sanity checking for lc-mask.
1218 (__mf_check, __mf_violation): Take new location-string argument.
1219 Update callers to pass NULL if necessary.
1220 (__mf_backtrace): New smart backtracer function. Calls replace
1221 several ad-hoc blocks elsewhere.
1222 (__mf_describe_object): Remove bad reentrancy test. Improve
1224 * mf-runtime.h: Corresponding changes. Public/private markup.
1225 (__MF_CACHE_MISS_P): New macro.
1227 2002-08-20 Graydon Hoare <graydon@redhat.com>
1229 * mf-runtime.h: New option: stack_bound (heuristic).
1230 Move some macros out of implementation files.
1231 * mf-runtime.c: New option string: -stack-bound.
1232 Unify recursion protection with hooks.
1234 (__mf_check): Call __mf_heuristic_check.
1235 (__mf_process_opts): Fix "no-" processing.
1236 * mf-heuristics.c (__mf_heuristic_check): New function.
1237 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1239 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1241 Option parsing improvements, region splitting bug fixes:
1242 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1243 * mf-runtime.h (heur_proc_map): New libmudflap option.
1244 * mf-runtime.c (__mf_set_default_options): Set it.
1245 (__mf_usage): Print default values/status.
1246 (__mf_process_opts): Support general "no-" option string prefix.
1247 (__mf_init): Print __mf_usage on unknown-option error.
1248 (__mf_register): Print trace message up front.
1249 Correct region splitting logic for case where a subregion disappears.
1250 Correct memory leak.
1251 (__mf_violation): Make even basic message conditional on option.
1254 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1255 (clean-local): New target.
1256 (test/*x rules): Add -g CFLAGS.
1257 (CFLAGS): Add -freorder-blocks.
1258 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1259 * Makefile.in: Regenerated.
1260 * Makefile, mf-config.h: Removed files.
1262 2002-08-16 Graydon Hoare <graydon@redhat.com>
1264 * mf-runtime.c (__mf_insert_new_object): Factor out of
1266 (__mf_remove_old_object): Factor out of __mf_unregister.
1267 (__mf_register): Handle guessed regions, splitting
1268 guesses when new registrations arrive.
1269 (__mf_unregister): Do not unregister guesses.
1270 * mf-runtime.h: Move convenience macros around,
1271 declare new option fields. Add __MF_TYPE_GUESS.
1272 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1273 (__wrap_free): Call __real_free for deferred frees.
1274 * Makefile.am: Add more tests, fix dependency.
1275 * Makefile.in: Regenerate.
1276 * test/pass[13..17]-frag.c: New testcases.
1277 * test/fail[13..17]-frag.c: New testcases.
1279 2002-08-15 Graydon Hoare <graydon@redhat.com>
1281 * mf-heuristics.c: New file.
1282 * mf-runtime.c (options): Add -trace-calls option.
1283 (__mf_init): Call __mf_init_heuristics.
1285 2002-08-14 Graydon Hoare <graydon@redhat.com>
1287 * Makefile.am (TESTS): Add testsuite support.
1288 * Makefile.in: Regenerate.
1289 * test/mf-driver.c: New file.
1290 * test/buildtest.sh: New file.
1291 * test/passNN-frag.c: New testcases.
1292 * test/failNN-frag.c: New testcases.
1294 2002-08-14 Graydon Hoare <graydon@redhat.com>
1296 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1297 verifying non-size-limited string extents.
1299 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1301 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1302 instead of plain str[n]len for internal checks.
1303 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1305 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1307 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1309 2002-08-13 Graydon Hoare <graydon@redhat.com>
1311 * mf-runtime.c: Rework configuration to operate on
1312 environment variable options rather than #defines
1313 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1314 (__mf_init): Set static __mf_active_p flag on startup,
1315 to inhibit mudflap wrap-based checking during crt0.s.
1316 * mf-runtime.h: Declare options structure.
1317 * mf-hooks.c: New wrappings for mem*, b*, str*
1318 libc functions (temporarily #if 0-ed out).
1320 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1322 * Makefile.am, configure.in: New files.
1323 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1324 * stamp-h.in, aclocal.m4: Ditto.
1326 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1328 * Makefile: New file.
1329 * mf-config.h: New file: runtime configuration.
1330 * mf-hooks.c: New file: interposed libc functions.
1331 * mf-runtime.c: New file: bulk of runtime.
1332 * mf-runtime.h: New file: public functions.