1 2005-04-12 Mike Stump <mrs@apple.com>
3 * configure: Regenerate.
5 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
8 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
9 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
11 2005-04-04 Alan Modra <amodra@bigpond.net.au>
13 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
15 2005-03-31 Mike Stump <mrs@apple.com>
17 * mf-runtime.h: Add libmudflap copyright clause.
19 2005-03-21 Mike Stump <mrs@apple.com>
21 * mf-heuristics.c: Fix whitespace at end of line.
22 * mf-hooks1.c: Likewise.
23 * mf-hooks2.c: Likewise.
24 * mf-hooks3.c: Likewise.
25 * mf-impl.h: Likewise.
26 * mf-runtime.c: Likewise.
27 * mf-runtime.h: Likewise.
29 2005-03-21 Zack Weinberg <zack@codesourcery.com>
31 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
32 In all substitutions, expand gcc_version in Makefile.
33 * aclocal.m4, configure: Regenerate.
34 * Makefile.am: Set gcc_version.
35 * Makefile.in, testsuite/Makefile.in: Regenerate.
37 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
39 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
40 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
42 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
45 * testsuite/libmudflap.c++/pass55-frag.c: New test.
47 2005-01-05 Richard Henderson <rth@redhat.com>
49 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
51 2005-01-02 Greg McGary <greg@mcgary.org>
53 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
54 * mf-runtime.h: New file, replaces mf-runtime.h.in.
55 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
57 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
58 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
59 * testsuite/libmudflap.c/fail36-frag.c: New test.
60 * testsuite/libmudflap.c/fail37-frag.c: New test.
61 * testsuite/libmudflap.c/fail38-frag.c: New test.
63 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
65 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
66 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
68 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
70 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
71 * aclocal.m4: Include ../config/gcc-version.m4.
72 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
74 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
76 * Makefile.am: Define ACLOCAL_AMFLAGS.
77 * acinclude.m4: Remove.
78 * stamp-h.in: Remove superfluous stamp file.
79 * aclocal.m4, configure, Makefile.in: Regenerate.
80 * testsuite/Makefile.in: Likewise.
82 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
84 * Makefile.am: Revert previous.
85 * acinclude.m4: Restore.
86 * aclocal.m4, configure, Makefile.in: Regenerate.
87 * testsuite/Makefile.in: Likewise.
89 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
91 * Makefile.am: Define ACLOCAL_AMFLAGS.
92 * acinclude.m4: Remove.
93 * aclocal.m4, configure, Makefile.in: Regenerate.
94 * testsuite/Makefile.in: Likewise.
96 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
98 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
100 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
102 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
103 * testsuite/Makefile.in: Likewise.
105 2004-11-01 Andreas Schwab <schwab@suse.de>
107 * configure.ac: (target_alias): Default to $host_alias, not
109 * configure: Regenerated.
111 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
113 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
114 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
117 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
120 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
122 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
124 * configure.ac: Check for more headers, functions.
125 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
126 tracking overridden FILE buffers.
127 (fopen, setvbuf): New/revised hook functions for buffer overriding.
128 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
129 (fflush): Accept given NULL stream (means "all streams").
131 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
133 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
134 (__mf_adapt_cache): Use them all.
135 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
136 * testsuite/libmudflap.c++/ctors.exp: Ditto.
137 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
138 * configure, config.h.in: Regenerated.
140 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
142 * configure.ac: Checking for sys/socket.h once is enough.
143 * configure: Regenerated.
145 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
147 * configure.ac: Look for more headers & functions.
148 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
149 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
150 * mf-runtime.c (options): Clean up integer signedness warnings.
151 (main): Add a declaration to fix a warning.
152 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
153 * configure, config.h.in: Regenerated.
155 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
157 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
158 New tests for proper base/limit checking for aggregates.
160 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
162 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
164 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
166 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
167 * mf-hooks2.c (strerror): Unregister previous string returned by
169 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
170 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
171 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
172 * mf-runtime.c (__mf_describe_object): Clarify object life status.
173 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
175 * configure, config.h.in: Regenerated.
177 2004-08-03 Dale Johannesen <dalej@apple.com>
179 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
181 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
183 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
184 simplified contents in all former callers.
186 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
188 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
189 the statically linked case.
191 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
193 * splay-tree.[ch]: Remove. Merge contents into ...
194 * mf-runtime.c: ... here, renaming symbols and making all functions
195 static. Remove unused min/max functions.
196 * Makefile.am: Forget about splay-tree.[ch].
197 * Makefile.in, testsuite/Makefile.in: Regenerated.
199 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
201 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
202 (__mfu_usage): Include (C) 2004.
203 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
204 here. Include a comment explaining why.
206 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
208 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
209 * mf-runtime.c (options): Give them a name.
210 (__mf_set_default_options): Set them.
211 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
212 (__mf_violation): Warning cleanup.
213 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
214 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
216 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
219 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
222 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
224 Test case for g++/15861
225 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
226 * testsuite/libmudflap.c++/ctors.exp: Driver.
227 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
228 Look only for *frag* test cases.
230 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
232 ANSI C conversion, libmudflap specialization, recursion limiting.
233 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
234 argument and indirection function pointers, update callers.
235 (splay_tree_s): Add statistics and recursion control fields
236 num_keys, max_depth, depth, rebalance_p.
237 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
238 Back out of search if it exceeds limit.
239 (splay_tree_splay): Manage recursion limiting with rebalancing as
241 (splay_tree_new): More initialization.
242 (splay_tree_rebalance): New function.
243 (splay_tree_foreach): Rewrite using nonrecursive logic.
244 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
245 Remove. Point indirect calls to mf-runtime.c's routines.
246 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
248 (splay_tree_delete, splay_tree_delete_helper): Ditto.
249 * testsuite/heap-scalestress.c: New test based on one from
250 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
252 2004-07-05 Matthias Klose <doko@debian.org>
254 * libtool-version: New.
255 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
256 Use -version-info for soname.
257 * Makefile.in: Regenerate.
258 * configure.ac: Remove libtool_VERSION macro
259 * configure: Regenerate
261 2004-07-05 Zack Weinberg <zack@codesourcery.com>
263 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
264 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
267 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
269 Splay tree implementation fork.
270 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
271 Use hard-coded comparison function for uintptr_t. Remove key/value
272 deallocation logic. Cache last splayed key for consecutive lookups.
273 * Makefile.am, Makefile.in: Use them, don't link to them.
274 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
275 (__mf_find_objects2): Flip successor/predecessor search sequence.
276 * ansidecl.h, libiberty.h: Removed dummy files.
278 2004-06-29 Nick Clifton <nickc@redhat.com>
280 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
281 * configure: Regenerate.
282 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
284 Remove spurious inclusion of <strings.h>.
286 2004-06-29 Nick Clifton <nickc@redhat.com>
288 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
289 function actually exists.
291 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
293 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
294 * config.h.in: Regenerated.
296 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
298 Adopt splay trees for object database.
299 * Makefile.am: Copy splay-tree.* from libiberty.
300 * Makefile.in, testsuite/Makefile.in: Regenerated.
301 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
302 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
303 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
304 * mf-runtime.c: Rewrite code dealing with object database to use
305 libiberty splay trees. Remove tree liveness aging option.
306 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
308 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
310 * configure.ac: New name of configure.in. Update
311 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
312 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
313 Autoconf 2.5x and Automake 1.7 or later.
314 * configure.in: Remove.
315 * configure: Regenerate.
317 * Makefile.am: Remove useless multilib rules.
318 * Makefile.in: Regenerate.
320 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
322 * .cvsignore: New file.
324 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
327 * mf-hooks2.c (semctl): Add cygwin porting hack.
329 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
332 * configure.in: Look for ctype header and glibc implementation.
333 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
334 array hooks for glibc 2.3.
335 * mf-runtime.h.in: Wrap them.
336 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
338 * testsuite/libmudflap.c/pass47-frag.c: New test.
339 * configure, config.h.in: Regenerated.
341 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
343 Portability improvements, e.g., libmudflap/15293.
344 * configure.in: Look for glibc extension functions. Look for
345 support of -f{function,data}-sections. Look for more headers.
346 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
347 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
348 mf-hooks* into usual single object per source.
349 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
350 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
351 if system doesn't provide one.
352 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
353 (pthread_create): Use it to properly GC dead thread stacks.
354 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
355 * testsuite/Makefile.am: Stop generating site.exp.
356 * testsuite/mfconfig.exp.in: New file.
357 * testsuite/config/default.exp: Load new mfconfig.exp.
358 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
359 (prune_gcc_output): Add glibc static linking warnings.
360 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
361 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
362 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
363 Regenerated with autoconf 2.57 and automake 1.7.
365 2004-06-04 Per Bothner <per@bothner.com>
367 * configure.in (LIBMUDFLAPTH): Fix thinko.
369 * configure.in: Check for more headers.
370 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
372 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
373 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
375 2004-06-01 Andreas Jaeger <aj@suse.de>
377 * configure.in: Handle multilibs, support
378 --enable-version-specific-runtime-libs.
379 * Makefile.am (lib_LTLIBRARIES): Rename to ...
380 (toolexeclib_LTLIBRARIES): this for multilib support.
381 * Makefile.in: Regenerated.
382 * configure: Regenerated.
383 * aclocal.m4: Regenerated.
384 * config.h.in: Regenerated.
385 * testsuite/Makefile.in: Regenerated.
387 2004-06-01 Andreas Jaeger <aj@suse.de>
389 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
390 multilibs, using multilib directory instead of hardcoded path.
393 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
395 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
396 * Makefile.in: Ditto.
398 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
400 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
401 * aclocal.m4, configure: Rebuilt.
403 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
405 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
406 import some build settings from libstdc++-v3 testsuite_flags.
407 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
408 changes to pass test language.
410 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
411 quicker mode-nop handling.
413 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
415 * mf-impl.h: Added libgcc license header.
417 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
419 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
420 Added libgcc license header.
421 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
422 (pthread_create): Simplify stack allocation syntax.
424 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
426 * mf-hooks2.c: Support FreeBSD.
427 (WRAP_gets): Avoid gets().
428 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
429 test unimplemented mem/str calls on FreeBSD.
430 * testsuite/libmudflap.c/pass21-frag.c: Do not include
431 <alloca.h> on FreeBSD.
433 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
435 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
436 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
437 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
438 flags for static linking permutation.
439 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
440 some pthreads code that croaks on linux glibc tls.
442 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
444 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
446 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
448 * testsuite/libmudflap.c/pass44-frag.c: New test.
450 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
452 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
454 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
456 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
458 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
460 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
462 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
465 * configure.in: Add check for see if
466 socklen_t typedef is in sys/socket.h.
467 * mf-hooks1.c: Add define if socklen_t
469 * mf-hooks2.c: Likewise.
470 * mf-hooks3.c: Likewise.
471 * config.h.in: Regen.
474 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
476 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
477 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
479 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
480 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
481 (unoptimized) allocation of stack space.
483 2003-12-07 Richard Henderson <rth@redhat.com>
485 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
486 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
488 2003-12-06 Andrew Pinski <apinski@apple.com>
490 partial PR libmudflap/12670
491 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
492 * mf-hooks2.c: Likewise.
493 * mf-hooks3.c: Likewise.
495 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
498 * mf-runtime.h.in: Switch to #pragma redefine_extname for
499 symbols interposed at compile time.
500 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
503 * mf-hooks2.c (semctl): Tolerate FreeBSD.
505 * configure.in: Reorganize check for <pthread.h>.
506 * configure: Regenerated.
508 2003-11-04 David Edelsohn <edelsohn@gnu.org>
510 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
511 (_LARGE_FILE_API): Define for AIX.
512 * mf-hooks[123]: Same.
513 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
515 2003-10-21 David Edelsohn <edelsohn@gnu.org>
517 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
519 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
521 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
523 * configure.in: Update check for union semun.
525 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
528 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
530 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
533 * configure.in: Add checks for 64-bit LFS functions, struct semun
534 definition, for BSD compatibility.
535 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
536 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
537 * mf-hooks3.c: Ditto.
538 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
540 * configure, config.h.in: Regenerated.
542 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
544 Multithreading fixes:
545 * mf-runtime.c (__mf_object): Store allocating/deallocating
547 (options): Support new "-thread-stack" option.
548 Rename "-heur-argv-environ" option to "-heur-stdlib".
549 Disable "-lc-mask" and "-lc-shift" options.
550 (__mf_dynamic): Add function pointers for pthread_join/_exit.
551 (__assert_fail): New self-contained function for glibc.
552 * mf-hooks3.c: Essentially rewritten, particularly related to
553 use of __mf_pthread_info array.
554 (pthread_join, _exit): New hook functions.
555 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
556 * testsuite/libmudflap.cth/pass40-frag.c: New test.
559 * mf-heuristics.c: Add type casts for tracing, sub calls.
560 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
561 Update all callers to declare explicit result holder.
562 (END_PROTECT): Removed.
563 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
565 2003-07-15 Diego Novillo <dnovillo@redhat.com>
567 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
568 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
569 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
571 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
573 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
575 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
576 Move these macros from old mf-hooks.c here.
577 * Makefile.am: Adapt to split-up hook sources for faster builds.
578 * Makefile.in: Regenerated.
580 * mf-heuristics.c: Remove #if-0 block.
582 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
583 (__mf_starting_p): New state only for use while dlsym bootstrapping.
584 (CALL_REAL, __mf_init): Corresponding changes.
585 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
586 all callers to remove redundant "mf:" prefix.
587 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
588 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
589 (__mf_pthread_info): Become a hash table.
591 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
592 "dg-repetitions" directives to control test case execution.
593 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
595 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
597 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
599 * mf-hooks.c (alloca): Separate into stub.
600 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
601 malloc/free for alloca blocks.
602 (pthread_create): Tolerate failing pthread_attr_get* calls.
603 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
604 * mf-impl.h (CALL_WRAP): Remove macro.
605 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
606 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
607 padding for ia64 BIT_FIELD_REF constructs.
609 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
611 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
612 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
613 libmudflap object type.
614 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
615 crashes on unregistering STATIC objects.
617 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
619 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
620 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
621 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
622 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
623 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
624 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
625 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
626 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
627 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
628 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
629 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
630 (accept, bind, connect, gethostname, sethostname): New hooks.
631 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
632 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
633 (semop, semctl, shmctl, shmat, shmdt): New hooks.
634 * mf-runtime.h.in: Corresponding changes.
635 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
636 (opts) Rename heur_argv_environ to heur_std_data.
637 (__mf_wrap_main): Use STATIC type for argv/environ strings.
638 * Makefile.am: Corresponding changes.
639 * Makefile.in: Regenerated.
641 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
643 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
644 heuristic for threaded case, and for non-x86-linux targets.
645 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
646 for use during pre-main() program startup.
647 (__mf_0fn_*): Make these functions non-static.
648 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
650 * mf-runtime.c (__mf_state): Set initial state to "starting".
651 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
652 (__wrap_main): New function to register argv[] and environ[] strings.
654 (*): In all trace functions, use "%p" as formatter for uintptr_t.
656 * testsuite/libmudflap.c/pass38-frag.c: New test case.
657 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
659 * acinclude.m4: Add comments with aoliva's concerns about x86_64
661 * aclocal.m4, configure: Regenerated.
663 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
665 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
666 * aclocal.m4, configure: Regenerated.
668 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
670 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
671 for x86_64 target. Disable caching for this value.
672 * aclocal.m4, configure: Regenerated.
674 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
676 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
677 is about to become deprecated, and its present handling bugs are
680 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
682 * testsuite/libmudflap.c/pass38-frag.c: New test for
685 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
687 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
688 __mf_report, asserting reentrant calling context.
690 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
692 * mf-hooks.c (realloc): Correct reentrancy logic.
693 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
695 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
697 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
698 PTHREAD_THREADS_MAX. Update users.
699 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
701 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
702 with libmudflapth presence indicator.
703 * testsuite/Makefile.in: Regenerated.
705 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
707 * Makefile.am (AM_CFLAGS): Remove "-ansi".
708 * configure.in: Remove silly no-pthreads => no-shared logic.
709 * Makefile.in, configure: Regenerated.
710 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
711 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
712 code. Count reentrancy events.
713 (all hook functions): Don't directly manipulate __mf_state variable.
714 Add TRACE calls to hook functions without them.
715 * mf-impl.h (LOCKTH): Try to count lock contention events.
716 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
717 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
718 Reorganize reentrancy code.
719 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
720 identify reentrancy with mutex holding times.
721 (internal __mfu_ entry points): Remove internal reentrancy code.
722 (__mf_init): Use ordinary locked calls.
723 (__mfu_report): Print the two new counts.
724 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
725 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
726 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
727 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
730 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
732 * configure.in: Add pthread support, plus glibc and porting hacks.
733 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
734 from objects built into ./pth/.
735 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
736 functions for internal entry points. Update callers to pick
737 locked vs. unlocked variants.
738 (__mf_resolve_single_dynamic): Extend to support symbol versioning
739 info coming in from a static data structure.
740 (*): Reorder miscellaneous declarations to group data vs functions.
741 (__mf_set_default_options): Simplify.
742 (__mf_usage): Mention threading status of host executable.
743 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
744 decls to match above.
745 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
746 * mf-heuristics.c: Choose between locked/unlocked calls. Add
747 some lock/unlock markers. Remove some unused code.
749 (pthread_create): New hook function.
750 (__mf_pthread_cleanup, _spawner): New helper functions.
751 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
753 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
755 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
757 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
759 * Makefile.am (HOOKOBJS): Add *time related hooks.
760 * configure.in: Look for pthreads.h header.
761 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
762 * mf-runtime.c: Begin sketching some pthreads support.
763 (__mf_usage): Check for -lpthread presence.
764 (__mf_unregister): Confirm matching unregistration base.
765 (__mf_find_objects_rec): Reduce unnecessary recursion.
766 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
767 #defines for new hook functions.
768 * mf-impl.h: Corresponding changes.
769 * config.h.in, configure, Makefile.in: Regenerated.
771 2002-04-27 Diego Novillo <dnovillo@redhat.com>
773 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
774 modifiers to prevent being optimized away.
775 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
776 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
777 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
778 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
779 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
780 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
781 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
783 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
785 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
786 * configure.in: Look for uintptr_t and -ldl on target.
787 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
788 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
789 * testsuite/Makefile.in: Regenerated.
790 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
791 for better C compliance.
793 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
795 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
797 * mf-runtime.c (__mf_set_default_options): Turn off
798 check-initialization.
799 (__mf_describe_object): Shorten description.
800 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
802 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
804 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
806 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
808 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
810 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
811 * mf-impl.h (CALL_BACKUP): New macros.
812 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
814 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
816 * Makefile.am (AM_CFLAGS): Remove optimization flags.
817 (HOOKOBJS): Remove dlopen hook.
818 (libmudflap_la_LIBADD): Add -ldl.
819 * mf-hooks.c (dlopen): Remove hook.
820 * mf-impl.h (__mf_dynamic): Ditto.
821 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
822 * Makefile.in: Regenerated.
824 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
826 * configure.in: Check for target gettimeofday, signal, some headers.
827 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
828 out inop multi_threaded field.
829 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
830 (__mf_set_options): Correct handling of "-help".
831 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
832 (__mf_check, __mf_register, __mf_unregister): Call it.
833 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
834 (__mf_report_leaks): Make callable
835 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
836 distribution statistics.
837 (__mf_adapt_cache): Rewrite shift guessing logic based on address
839 * config.h.in, configure: Regenerated.
840 * testsuite/libmudflap.c/fail27-frag.c: New test.
841 * testsuite/libmudflap.c/pass36-frag.c: New test.
843 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
845 * mf-runtime.h.in: Tweak.
846 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
847 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
848 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
850 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
852 * configure.in: Tweak generation of mf-runtime.h some more. It
853 needs to work from both config.status and configure.
854 * configure: Regenerated.
856 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
858 * Makefile.am: Reorganize hook file building. Add auto dependencies.
859 * configure.in: Tweak generation of mf-runtime.h.
860 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
861 * mf-hooks.c (*): Adapt to initialized-heap object type.
862 * mf-impl.h: Tweak cemetary boundaries.
863 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
865 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
866 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
867 * testsuite/lib/libmudflap.exp (includes): Include build tree.
868 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
870 * testsuite/.../fail{25,26}-frag.c: New tests.
871 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
872 * Makefile.in, configure: Regenerated.
874 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
876 * mf-runtime.c (__mf_set_default_options): Turn on initialization
878 (__mf_insert_new_object): As a temporary hack, assume that new
879 objects registered on the stack start out initialized.
880 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
881 heap objects by hand.
883 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
885 Switch to macro-style hooks for str*/mem*/b* functions.
886 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
887 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
888 * mf-runtime.c: #include config.h to enable glibc backtraces again.
889 (__mf_set_default_options): Turn off heur_proc_map.
890 (*): Adapt to to macro-style hook functions.
891 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
892 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
893 (__mf_violation): Handle __MF_VIOL_WATCH.
894 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
895 (__mf_dynamic): Removed mem*/str*/b* functions.
896 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
897 (WRAPPER2): New macro for macro-style hooks.
898 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
900 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
901 * mf-heuristics.c: Adapt to macro-style hook functions.
902 Correct some comments.
903 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
904 output pattern tests.
905 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
906 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
908 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
910 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
911 for global array registration.
912 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
913 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
915 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
917 * Makefile.am: Add gross make bug workarounds. Tweaked
918 SUBDIRS and AM_CFLAGS.
919 * Makefile.in: Regenerated.
921 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
924 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
925 * Makefile.am (TESTS): Remove simple automake testing.
926 * configure, Makefile.in: Regenerated.
927 (SUBDIRS): Include new testsuite/ directory.
928 * tests/*: Removed all files; moved bulk under:
929 * testsuite/*: New subdirectory tree.
930 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
931 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
932 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
933 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
934 * testsuite/config/default.exp: New file.
935 * testsuite/Makefile.am, Makefile.in: New files.
937 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
939 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
940 (TESTS): Add fail22 and pass29 tests.
941 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
942 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
943 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
944 values. Move __MF_VIOL* here.
945 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
946 (check_initialization): New field in __mf_opts. Default off.
947 (read_count,write_count): New fields in __mf_object.
948 (__mf_check): Implement basic initialization checking.
949 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
950 (__mf_describe_object): Print new fields.
951 (__mf_violation): Identify check/read vs. check/write in messages.
952 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
953 "-check-initialized" mudflap option.
954 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
955 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
956 Drop __FILE__/__LINE__ hack. Update callers.
957 (*): Adapt to new mf-runtime.h API.
958 * Makefile.in: regenerated.
960 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
962 * configure.in: Build mf-runtime.h a more proper way.
963 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
964 * mf-runtime.c (verbose_violations): Turn on by default.
965 * mf-runtime.h.in: Remove some miscellaneous stuff ...
966 * mf-impl.h: ... and move it here.
967 * configure: Regenerated.
969 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
971 * configure.in: Look for C++ compiler.
972 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
973 fixed type warnings when built with C++.
974 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
975 * Makefile.am (TESTS): Run them.
976 (*) Add new rules for building and running C++ tests.
977 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
978 * mf-runtime.h.in: Protect with extern "C".
979 * Makefile, configure: Regenerated.
981 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
983 Portability improvements.
984 * configure.in: Look for glibc backtrace headers/functions.
985 * mf-hooks.c: Don't include <execinfo.h> any more.
986 * mf-runtime.c (__mf_set_options): Call more stdlib functions
988 (__mf_backtrace): Provide alternate baby implementation in
990 * test/mf-driver.c: Portability tweaks.
991 * acinclude.m4: New file, containing top level libtool.m4.
992 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
994 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
996 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
998 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1000 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1002 (__mf_unregister): Implement stack/heap object wiping.
1003 (__mf_set_options): Renamed from __mf_process_opts.
1004 (__mf_uncache_object): Change arg type, correct callers.
1005 * mf-impl.h: Corresponding changes.
1006 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1007 * mf-runtime.h.in (__mf_set_options): Extend public API.
1008 * test/pass26-frag.c: New test for stack wiping.
1009 * Makefile.am (TESTS): Run it.
1010 * Makefile.in: Regenerated.
1012 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1014 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1015 * mf-runtime.c (__mf_object_t): Add watching_p field.
1016 (__mf_watch_or_not): New function to implement
1017 object watch flagging.
1018 (__mf_watch, __mf_unwatch): New wrappers for above.
1019 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1020 (__mf_count_violation): Enlarge array.
1021 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1022 unlink object. Clear cache properly.
1023 (__mf_unregister): Unlink object explicitly before uncaching.
1024 * test/fail21-frag.c, pass25-frag.c: New tests.
1025 * Makefile.in, aclocal.m4: Regenerated.
1027 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1029 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1030 * Makefile.am (TESTS): Add it.
1031 * test/pass-stratcliff.c: Add decls of stpcpy.
1032 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1033 build tree from config.h and new file mf-runtime.h.in.
1034 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1035 * Makefile.in, configure, config.h.in: Regenerated.
1036 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1037 * mf-runtime.c (options, __mf_set_default_options): Support new
1038 default "abbreviate" option.
1039 (__mf_object.description_epoch): New field.
1040 (__mf_describe_object): Conditionally abbreviate objects already
1041 displayed in current epoch. Accept NULL input to increment epoch.
1042 (__mf_fini, __mf_ini): Reset description epoch.
1043 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1044 that NULL pointer slot in lookup cache is invalidated. Register a
1045 NOACCESS region around NULL.
1046 * mf-impl.h: Corresponding changes.
1048 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1050 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1051 * Makefile.am: Run them. Install mf-runtime.h.
1052 * Makefile.in: Regenerated.
1053 * mf-hooks.c: Add some markers for more missing functions.
1054 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1055 statistic to tune tune cache size (mask).
1057 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1059 * test/pass23-frag.c: New test for bit_field_ref expressions.
1060 * Makefile.am, Makefile.in: Add new test.
1061 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1062 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1063 * mf-runtime.c (__mf_init): Register errno global.
1064 (__mf_find_object): Removed function.
1065 (__mf_check): Rewrite logic to support accesses across some
1066 contiguous but distinctly registered objects.
1067 (__mf_remove_old_object): Tolerate cache entries that span
1070 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1072 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1073 * Makefile.am, Makefile.in: Run new tests.
1074 * mf-hooks.c (alloca): Correct stack direction logic.
1076 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1078 * mf-impl.h (adapt_cache): New option.
1079 * mf-runtime.c (__mf_set_default_options): Set its default value.
1080 Tweak the tree_aging parameter down.
1081 (__mf_check): Maintain separate counter for cache-adaptation.
1082 (__mf_tree_analyze): New function to collect object tree stats.
1083 (__mf_adapt_cache): New function to automate cache parameters.
1085 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1087 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1088 hypothetical #if-0'd argv/envp region registration.
1089 * mf-runtime.c (__mf_init): Add kludged form of above.
1090 (*) Add "heur_argv_environ" flag, default on, to govern this.
1091 * mf-impl.h: Corresponding changes.
1093 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1095 * test/fail18-frag.c: New test file for NOACCESS regions.
1096 * Makefile.am (TESTS): Add new test.
1097 * Makefile.in: Regenerated.
1099 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1100 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1101 (optimize_object_tree): Remove unused mudflap_option.
1102 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1103 support throughout. Use .._MAX_CEM for cemetary upper bound.
1104 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1106 (__mf_object): Add new liveness field for use by tree aging.
1107 (__mf_check): Trigger tree aging when needed.
1108 (__mf_age_tree): New function to decay liveness field.
1109 (__mf_find_objects_rec): Use liveness field to rotate tree.
1110 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1111 (__mf_unregister): Ditto.
1112 (__mf_register): Tweak duplicate-static message.
1113 (__mf_violation: Tweak nearby-object counter printing.
1115 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1117 * test/pass20-frag.c: New test file.
1118 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1119 * Makefile.in: Regenerated.
1121 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1122 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1123 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1124 entries to avoid repeat registration.
1125 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1126 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1128 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1130 * Makefile.am: Create test sources with #include, not cat>>.
1131 * Makefile.in: Regenerated.
1132 * test/buildtest.sh: Removed.
1133 * test/driver.c (abort_handler, main): Be quiet.
1135 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1137 * test/pass18-frag.c, pass19-frag.c: New tests.
1138 * Makefile.am (check): Run them. Rebuild test programs each time.
1139 * Makefile.in: Regenerated.
1141 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1143 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1144 overlapping object search.
1145 (__mf_violation): Likewise for nearby objects.
1146 Improve nearby-object listing.
1149 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1150 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1152 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1155 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1156 (HOOKOBJS): Add alloca-hook.o.
1157 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1159 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1160 (__mf_backtrace): Reimplement without using alloca.
1161 * Makefile.in: Regenerated.
1164 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1165 Correct signedness bugs in length-tracking variables.
1166 * mf-impl.h: Make options unsigned.
1167 (CALL_WRAP): New macro to parallel CALL_REAL().
1168 (DECLARE): Remove erroneous ";" at end.
1169 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1170 formatting specs with %08lx. Correct several compiler warnings.
1172 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1174 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1176 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1178 libmudflap hook breakup:
1179 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1181 (TESTS): Make dependent on libmudflap.
1182 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1183 compiled from segments of mf-hooks.c.
1184 * mf-hooks.c: Corresponding changes: wrap each function in
1186 * Makefile.in: Regenerated.
1188 Heuristics reorganization:
1189 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1190 Remove these functions. Update callers.
1191 (__mf_heuristic_check): Incorporate all the various heuristics.
1192 Encode cacheability/retry judgement into trinary return value.
1193 Separate start-end logic into a separate fallback heuristic. Only
1194 register relevant /proc/self/map segments.
1195 * mf-impl.h: Corresponding changes.
1196 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1197 (__mf_init): Don't call __mf_init_heuristics.
1200 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1201 "-verbose-trace" to emit all tracing messages other than those of
1202 basic public api. Eliminate some duplicate/excessive messages.
1203 * mf-runtime.h: Corresponding changes.
1205 2002-08-27 Graydon Hoare <graydon@redhat.com>
1207 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1208 and __real when compiled with -DPIC.
1209 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1210 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1211 * Makefile.in: Regenerate.
1213 2002-08-26 Graydon Hoare <graydon@redhat.com>
1215 * mf-impl.h: New file, private implementation header.
1216 * mf-runtime.h: Reorganize a bit.
1217 (CLAMPSZ): Fix arithmetic.
1218 (__MF_CACHE_MISS_P): Fix arithmetic.
1219 * mf-runtime.c: Reorganize a bit.
1220 (__mf_dynamic): New structure.
1221 (resolve_single_dynamic): New function.
1222 (__mf_resolve_dynamics): New function.
1223 (__mf_init): Initialize dynamic wrappers.
1224 * mf-hooks.c: Macro-ize __real calls.
1225 Clamp various bits of arithmetic.
1226 Add explicit __mf_check call contexts.
1227 * Makefile.am: Add dependencies on mf-impl.h
1228 * Makefile.in: Regenerate.
1229 * configure.in: Comment out shared override.
1230 * configure: Regenerate.
1232 2002-08-22 Graydon Hoare <graydon@redhat.com>
1234 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1235 (__mf_check): Re-inialize and check heuristics before violation.
1236 (__mf_register): Permit updating pure-guess regions.
1237 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1238 (__wrap_dlopen): New wrapper function.
1239 (__wrap_mmap): New wrapper function.
1240 (__wrap_munmap): New wrapper function.
1241 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1242 which are not stack addresses.
1243 (is_stack_address): New function.
1244 (__mf_init_heuristics): Save and restore state, always initialize with
1247 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1249 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1250 error. Pass location string.
1251 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1252 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1253 (__mf_process_opts): Apply some sanity checking for lc-mask.
1254 (__mf_check, __mf_violation): Take new location-string argument.
1255 Update callers to pass NULL if necessary.
1256 (__mf_backtrace): New smart backtracer function. Calls replace
1257 several ad-hoc blocks elsewhere.
1258 (__mf_describe_object): Remove bad reentrancy test. Improve
1260 * mf-runtime.h: Corresponding changes. Public/private markup.
1261 (__MF_CACHE_MISS_P): New macro.
1263 2002-08-20 Graydon Hoare <graydon@redhat.com>
1265 * mf-runtime.h: New option: stack_bound (heuristic).
1266 Move some macros out of implementation files.
1267 * mf-runtime.c: New option string: -stack-bound.
1268 Unify recursion protection with hooks.
1270 (__mf_check): Call __mf_heuristic_check.
1271 (__mf_process_opts): Fix "no-" processing.
1272 * mf-heuristics.c (__mf_heuristic_check): New function.
1273 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1275 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1277 Option parsing improvements, region splitting bug fixes:
1278 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1279 * mf-runtime.h (heur_proc_map): New libmudflap option.
1280 * mf-runtime.c (__mf_set_default_options): Set it.
1281 (__mf_usage): Print default values/status.
1282 (__mf_process_opts): Support general "no-" option string prefix.
1283 (__mf_init): Print __mf_usage on unknown-option error.
1284 (__mf_register): Print trace message up front.
1285 Correct region splitting logic for case where a subregion disappears.
1286 Correct memory leak.
1287 (__mf_violation): Make even basic message conditional on option.
1290 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1291 (clean-local): New target.
1292 (test/*x rules): Add -g CFLAGS.
1293 (CFLAGS): Add -freorder-blocks.
1294 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1295 * Makefile.in: Regenerated.
1296 * Makefile, mf-config.h: Removed files.
1298 2002-08-16 Graydon Hoare <graydon@redhat.com>
1300 * mf-runtime.c (__mf_insert_new_object): Factor out of
1302 (__mf_remove_old_object): Factor out of __mf_unregister.
1303 (__mf_register): Handle guessed regions, splitting
1304 guesses when new registrations arrive.
1305 (__mf_unregister): Do not unregister guesses.
1306 * mf-runtime.h: Move convenience macros around,
1307 declare new option fields. Add __MF_TYPE_GUESS.
1308 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1309 (__wrap_free): Call __real_free for deferred frees.
1310 * Makefile.am: Add more tests, fix dependency.
1311 * Makefile.in: Regenerate.
1312 * test/pass[13..17]-frag.c: New testcases.
1313 * test/fail[13..17]-frag.c: New testcases.
1315 2002-08-15 Graydon Hoare <graydon@redhat.com>
1317 * mf-heuristics.c: New file.
1318 * mf-runtime.c (options): Add -trace-calls option.
1319 (__mf_init): Call __mf_init_heuristics.
1321 2002-08-14 Graydon Hoare <graydon@redhat.com>
1323 * Makefile.am (TESTS): Add testsuite support.
1324 * Makefile.in: Regenerate.
1325 * test/mf-driver.c: New file.
1326 * test/buildtest.sh: New file.
1327 * test/passNN-frag.c: New testcases.
1328 * test/failNN-frag.c: New testcases.
1330 2002-08-14 Graydon Hoare <graydon@redhat.com>
1332 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1333 verifying non-size-limited string extents.
1335 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1337 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1338 instead of plain str[n]len for internal checks.
1339 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1341 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1343 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1345 2002-08-13 Graydon Hoare <graydon@redhat.com>
1347 * mf-runtime.c: Rework configuration to operate on
1348 environment variable options rather than #defines
1349 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1350 (__mf_init): Set static __mf_active_p flag on startup,
1351 to inhibit mudflap wrap-based checking during crt0.s.
1352 * mf-runtime.h: Declare options structure.
1353 * mf-hooks.c: New wrappings for mem*, b*, str*
1354 libc functions (temporarily #if 0-ed out).
1356 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1358 * Makefile.am, configure.in: New files.
1359 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1360 * stamp-h.in, aclocal.m4: Ditto.
1362 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1364 * Makefile: New file.
1365 * mf-config.h: New file: runtime configuration.
1366 * mf-hooks.c: New file: interposed libc functions.
1367 * mf-runtime.c: New file: bulk of runtime.
1368 * mf-runtime.h: New file: public functions.