1 2008-09-26 Peter O'Gorman <pogma@thewrittenword.com>
2 Steve Ellcey <sje@cup.hp.com>
4 * configure: Regenerate for new libtool.
6 * testsuite/Makefile.in: Ditto.
8 2008-09-15 Jakub Jelinek <jakub@redhat.com>
11 * testsuite/libmudflap.c/pass64-frag.c: New test.
13 2008-06-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
15 * Makefile.in: Regenerate.
16 * config.h.in: Regenerate.
17 * configure: Regenerate.
18 * testsuite/Makefile.in: Regenerate.
20 2008-04-18 Paolo Bonzini <bonzini@gnu.org>
23 * aclocal.m4: Regenerate.
24 * configure: Regenerate.
26 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
28 * testsuite/libmudflap.c/pass63-frag.c: New test.
30 2008-03-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
32 * aclocal.m4: Regenerate.
33 * configure: Likewise.
34 * Makefile.in: Likewise.
35 * testsuite/Makefile.in: Likewise.
37 2008-03-02 Jakub Jelinek <jakub@redhat.com>
39 * mf-runtime.c (__mf_usage): Update copyright notice dates.
41 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
43 * testsuite/libmudflap.c/fail8-frag.c: Adjust scan pattern for
45 * testsuite/libmudflap.c/fail9-frag.c: Ditto.
47 2008-01-24 David Edelsohn <edelsohn@gnu.org>
49 * configure: Regenerate.
51 2008-01-05 Jakub Jelinek <jakub@redhat.com>
53 PR tree-optimization/34618
54 * testsuite/libmudflap.c/pass62-frag.c: New test.
56 2008-01-03 Jakub Jelinek <jakub@redhat.com>
59 * testsuite/libmudflap.c++/pass61-frag.cxx: New test.
61 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
64 * testsuite/libmudflap.c++/pass60-frag.cxx: New test.
66 2007-10-15 Maciej W. Rozycki <macro@linux-mips.org>
68 * configure: Regenerate following changes to ../config/tls.m4.
70 2007-07-26 Tom Tromey <tromey@redhat.com>
72 * Makefile.in: Rebuilt.
73 * Makefile.am (clean-local): Removed.
74 (pth/mf-runtime.lo, pth/mf-heuristics.lo, pth/mf-hooks1.lo,
75 pth/mf-hooks2.lo, pth/mf-hooks3.lo): Likewise.
76 (libmudflapth_la_SOURCES): List sources.
77 (libmudflapth_la_LIBADD): Clear.
78 (libmudflapth_la_CFLAGS): New variable.
80 2007-07-05 H.J. Lu <hongjiu.lu@intel.com>
82 * aclocal.m4: Regenerated.
84 2007-06-02 Paolo Bonzini <bonzini@gnu.org>
86 * configure: Regenerate.
88 2007-05-31 Frank Ch. Eigler <fche@redhat.com>
90 From Andi Kleen <ak@suse.de>:
91 * mf-runtime.c (options): Rename structure for compatibility with
94 2007-05-23 Steve Ellcey <sje@cup.hp.com>
96 * Makefile.in: Regenerate.
97 * configure: Regenerate.
98 * aclocal.m4: Regenerate.
99 * testsuite/Makefile.in: Regenerate.
101 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
103 * testsuite/libmudflap.cth/pass59-frag.c (main): Fix casting of arg.
105 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
107 * Makefile.am: Add dummy install-pdf target.
108 * Makefile.in: Regenerate
110 2007-02-07 Jakub Jelinek <jakub@redhat.com>
113 * configure: Regenerate.
115 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
117 * configure: Regenerate.
119 2006-11-13 Daniel Jacobowitz <dan@codesourcery.com>
121 * configure: Regenerated.
123 2006-11-10 Frank Ch. Eigler <fche@redhat.com>
126 * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
127 static but not function scope static.
128 (free): Skip deallocation attempts for objects placed into
130 * testsuite/libmudflap.cth/pass59-frag.c: New test.
132 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
134 From Herman ten Brugge <hermantenbrugge@home.nl>:
135 * mf-runtime.c (__mf_uncache_object): Optimize the code so that
136 small and large objects are handled a lot faster.
138 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
140 * configure.ac (__libc_freeres): Look for it.
141 * mf-impl.h (call_libc_freeres): New configuration flag.
142 * mf-runtime.c (__mf_set_default_options): Set it by default.
143 (__mfu_report): Call it if needed.
144 (__mfu_unregister): Remove "unaccessed registered object" warning.
145 * configure, config.h.in: Regenerated.
147 2006-09-18 Tom Tromey <tromey@redhat.com>
149 * configure: Rebuilt.
151 2006-06-21 Frank Ch. Eigler <fche@redhat.com>
154 mf-runtime.h installation based on ssp patch for PR 26473 from
155 Mark Mitchell <mark@codesourcery.com>.
156 * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
157 * Makefile.am (target_noncanonical): Define.
158 (libsubincludedir): New variable.
159 (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
160 (include_HEADERS): Remove.
161 * configure, aclocal.m4, config.h.in: Regenerated.
162 * Makefile.in, testsuite/Makefile.in: Likewise.
163 * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
164 and _THREAD_SAFE redefinition values.
166 2006-05-23 Carlos O'Donell <carlos@codesourcery.com>
168 * Makefile.am: Add install-html target. Add install-html to .PHONY
169 * Makefile.in: Regenerate.
171 2006-04-19 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
174 * testsuite/libmudflap.c++/error1-frag.cxx: New test.
177 * testsuite/libmudflap.c++/error2-frag.cxx: New test.
179 2006-04-10 Matthias Klose <doko@debian.org>
181 * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
182 directory names containing underscores.
184 2005-11-22 Janis Johnson <janis187@us.ibm.com>
186 * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
187 MUDFLAP_FLAGS if static library not supported.
188 * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
189 * testsuite/libmudflap.c/externs.exp: Ditto.
190 * testsuite/libmudflap.c++/ctors.exp: Ditto.
191 * testsuite/libmudflap.c++/c++frags.exp: Ditto.
192 * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
194 2005-10-04 James E Wilson <wilson@specifix.com>
196 * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
197 $name as array of characters with unknown bound. Also store into the
199 * configure: Regenerate.
201 2005-09-30 James E. Wilson <wilson@specifix.com>
203 * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
205 (target_thread_file): New. Set from sed'ed gcc output.
206 (posix_threads): New. Set from target_thread_file. Use instead of
208 (pthread_create_version): Move initialization before code using it.
209 * configure: Regenerate.
211 * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
214 2005-09-29 James E. Wilson <wilson@specifix.com>
216 * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
217 with HAVE_MMAP ifdef.
219 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
222 * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
224 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
226 * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
228 2005-09-23 Tom Tromey <tromey@redhat.com>
230 * aclocal.m4, configure: Rebuilt.
231 * configure.ac: Use GCC_CHECK_TLS.
232 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
235 2005-08-22 Jim Wilson <wilson@specifix.com>
237 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
238 __FreeBSD__ is defined.
240 2005-08-17 Jim Wilson <wilson@specifix.com>
242 * mf-hooks1.c (malloc, calloc, realloc, free,
243 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
244 the real routines, and END_MALLOC_PROTECT afterwards.
245 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
246 (BEGIN_PROTECT): Handle in_malloc state.
247 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
248 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
250 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
252 * All files: Update FSF address.
254 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
256 * mf-hooks3.c (main_seen_p): Remove.
257 (__mf_get_state): Remove attempt to recognize the main thread.
259 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
261 * configure.ac: Test for the name of the symbol used for the entry
262 point; define ENTRY_POINT to the result.
263 * configure: Regenerate.
264 * config.h.in: Regenerate.
265 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
267 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
269 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
270 (__mf_init): Set thread state active.
271 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
273 (pthread_create wrapper): Always use thread spawner.
275 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
276 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
278 2005-07-16 Richard Henderson <rth@redhat.com>
280 * acinclude.m4: New file.
281 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
282 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
283 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
284 (__mf_0fn_calloc): ... here.
285 * mf-hooks3.c (struct pthread_info): Remove.
286 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
287 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
288 (struct mf_thread_data): New.
289 (mf_thread_data, mf_thread_data_lock): New.
290 (__mf_allocate_blank_threadinfo): Remove.
291 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
293 (__mf_state_perthread): Remove.
294 (__mf_get_state, __mf_set_state): New.
295 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
296 Update mf_thread_data killing procedure.
297 (__mf_pthread_spawner): Similarly.
298 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
299 code to allocate thread stack space.
300 (__mf_0fn_pthread_join, pthread_join): Remove.
301 (__mf_0fn_pthread_exit, pthread_exit): Remove.
302 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
303 (__mf_state_1): Rename from __mf_state; use TLS when available.
304 (__mf_get_state, __mf_set_state): New. Update all users.
305 * mf-runtime.c (begin_recursion_protect1): New.
306 (BEGIN_RECURSION_PROTECT): Use it.
307 (__mf_state_1): Rename from __mf_state; use TLS when available.
308 (threads_active_p): Remove.
309 (__mf_usage): Compute it directly.
311 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
313 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
315 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
317 Fix for uncaching bug reported by Herman ten Brugge.
318 * mf-runtime.c (__mf_uncache_object): Search whole cache.
319 * testsuite/libmudflap.c/fail40-frag.c: New test.
321 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
324 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
325 * Makefile.in: Amend.
327 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
330 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
331 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
333 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
336 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
338 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
341 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
342 unsigned vars with #defines instead of enums.
344 2005-05-09 Mike Stump <mrs@apple.com>
346 * configure: Regenerate.
348 2005-04-12 Mike Stump <mrs@apple.com>
350 * configure: Regenerate.
352 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
355 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
356 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
358 2005-04-04 Alan Modra <amodra@bigpond.net.au>
360 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
362 2005-03-31 Mike Stump <mrs@apple.com>
364 * mf-runtime.h: Add libmudflap copyright clause.
366 2005-03-21 Mike Stump <mrs@apple.com>
368 * mf-heuristics.c: Fix whitespace at end of line.
369 * mf-hooks1.c: Likewise.
370 * mf-hooks2.c: Likewise.
371 * mf-hooks3.c: Likewise.
372 * mf-impl.h: Likewise.
373 * mf-runtime.c: Likewise.
374 * mf-runtime.h: Likewise.
376 2005-03-21 Zack Weinberg <zack@codesourcery.com>
378 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
379 In all substitutions, expand gcc_version in Makefile.
380 * aclocal.m4, configure: Regenerate.
381 * Makefile.am: Set gcc_version.
382 * Makefile.in, testsuite/Makefile.in: Regenerate.
384 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
386 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
387 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
389 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
392 * testsuite/libmudflap.c++/pass55-frag.c: New test.
394 2005-01-05 Richard Henderson <rth@redhat.com>
396 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
398 2005-01-02 Greg McGary <greg@mcgary.org>
400 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
401 * mf-runtime.h: New file, replaces mf-runtime.h.in.
402 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
403 * Makefile.in: Ditto.
404 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
405 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
406 * testsuite/libmudflap.c/fail36-frag.c: New test.
407 * testsuite/libmudflap.c/fail37-frag.c: New test.
408 * testsuite/libmudflap.c/fail38-frag.c: New test.
410 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
412 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
413 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
415 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
417 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
418 * aclocal.m4: Include ../config/gcc-version.m4.
419 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
421 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
423 * Makefile.am: Define ACLOCAL_AMFLAGS.
424 * acinclude.m4: Remove.
425 * stamp-h.in: Remove superfluous stamp file.
426 * aclocal.m4, configure, Makefile.in: Regenerate.
427 * testsuite/Makefile.in: Likewise.
429 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
431 * Makefile.am: Revert previous.
432 * acinclude.m4: Restore.
433 * aclocal.m4, configure, Makefile.in: Regenerate.
434 * testsuite/Makefile.in: Likewise.
436 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
438 * Makefile.am: Define ACLOCAL_AMFLAGS.
439 * acinclude.m4: Remove.
440 * aclocal.m4, configure, Makefile.in: Regenerate.
441 * testsuite/Makefile.in: Likewise.
443 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
445 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
447 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
449 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
450 * testsuite/Makefile.in: Likewise.
452 2004-11-01 Andreas Schwab <schwab@suse.de>
454 * configure.ac: (target_alias): Default to $host_alias, not
456 * configure: Regenerated.
458 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
460 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
461 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
464 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
467 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
469 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
471 * configure.ac: Check for more headers, functions.
472 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
473 tracking overridden FILE buffers.
474 (fopen, setvbuf): New/revised hook functions for buffer overriding.
475 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
476 (fflush): Accept given NULL stream (means "all streams").
478 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
480 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
481 (__mf_adapt_cache): Use them all.
482 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
483 * testsuite/libmudflap.c++/ctors.exp: Ditto.
484 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
485 * configure, config.h.in: Regenerated.
487 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
489 * configure.ac: Checking for sys/socket.h once is enough.
490 * configure: Regenerated.
492 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
494 * configure.ac: Look for more headers & functions.
495 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
496 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
497 * mf-runtime.c (options): Clean up integer signedness warnings.
498 (main): Add a declaration to fix a warning.
499 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
500 * configure, config.h.in: Regenerated.
502 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
504 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
505 New tests for proper base/limit checking for aggregates.
507 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
509 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
511 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
513 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
514 * mf-hooks2.c (strerror): Unregister previous string returned by
516 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
517 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
518 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
519 * mf-runtime.c (__mf_describe_object): Clarify object life status.
520 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
522 * configure, config.h.in: Regenerated.
524 2004-08-03 Dale Johannesen <dalej@apple.com>
526 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
528 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
530 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
531 simplified contents in all former callers.
533 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
535 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
536 the statically linked case.
538 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
540 * splay-tree.[ch]: Remove. Merge contents into ...
541 * mf-runtime.c: ... here, renaming symbols and making all functions
542 static. Remove unused min/max functions.
543 * Makefile.am: Forget about splay-tree.[ch].
544 * Makefile.in, testsuite/Makefile.in: Regenerated.
546 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
548 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
549 (__mfu_usage): Include (C) 2004.
550 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
551 here. Include a comment explaining why.
553 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
555 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
556 * mf-runtime.c (options): Give them a name.
557 (__mf_set_default_options): Set them.
558 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
559 (__mf_violation): Warning cleanup.
560 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
561 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
563 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
566 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
569 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
571 Test case for g++/15861
572 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
573 * testsuite/libmudflap.c++/ctors.exp: Driver.
574 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
575 Look only for *frag* test cases.
577 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
579 ANSI C conversion, libmudflap specialization, recursion limiting.
580 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
581 argument and indirection function pointers, update callers.
582 (splay_tree_s): Add statistics and recursion control fields
583 num_keys, max_depth, depth, rebalance_p.
584 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
585 Back out of search if it exceeds limit.
586 (splay_tree_splay): Manage recursion limiting with rebalancing as
588 (splay_tree_new): More initialization.
589 (splay_tree_rebalance): New function.
590 (splay_tree_foreach): Rewrite using nonrecursive logic.
591 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
592 Remove. Point indirect calls to mf-runtime.c's routines.
593 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
595 (splay_tree_delete, splay_tree_delete_helper): Ditto.
596 * testsuite/heap-scalestress.c: New test based on one from
597 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
599 2004-07-05 Matthias Klose <doko@debian.org>
601 * libtool-version: New.
602 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
603 Use -version-info for soname.
604 * Makefile.in: Regenerate.
605 * configure.ac: Remove libtool_VERSION macro
606 * configure: Regenerate
608 2004-07-05 Zack Weinberg <zack@codesourcery.com>
610 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
611 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
614 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
616 Splay tree implementation fork.
617 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
618 Use hard-coded comparison function for uintptr_t. Remove key/value
619 deallocation logic. Cache last splayed key for consecutive lookups.
620 * Makefile.am, Makefile.in: Use them, don't link to them.
621 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
622 (__mf_find_objects2): Flip successor/predecessor search sequence.
623 * ansidecl.h, libiberty.h: Removed dummy files.
625 2004-06-29 Nick Clifton <nickc@redhat.com>
627 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
628 * configure: Regenerate.
629 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
631 Remove spurious inclusion of <strings.h>.
633 2004-06-29 Nick Clifton <nickc@redhat.com>
635 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
636 function actually exists.
638 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
640 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
641 * config.h.in: Regenerated.
643 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
645 Adopt splay trees for object database.
646 * Makefile.am: Copy splay-tree.* from libiberty.
647 * Makefile.in, testsuite/Makefile.in: Regenerated.
648 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
649 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
650 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
651 * mf-runtime.c: Rewrite code dealing with object database to use
652 libiberty splay trees. Remove tree liveness aging option.
653 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
655 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
657 * configure.ac: New name of configure.in. Update
658 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
659 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
660 Autoconf 2.5x and Automake 1.7 or later.
661 * configure.in: Remove.
662 * configure: Regenerate.
664 * Makefile.am: Remove useless multilib rules.
665 * Makefile.in: Regenerate.
667 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
669 * .cvsignore: New file.
671 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
674 * mf-hooks2.c (semctl): Add cygwin porting hack.
676 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
679 * configure.in: Look for ctype header and glibc implementation.
680 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
681 array hooks for glibc 2.3.
682 * mf-runtime.h.in: Wrap them.
683 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
685 * testsuite/libmudflap.c/pass47-frag.c: New test.
686 * configure, config.h.in: Regenerated.
688 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
690 Portability improvements, e.g., libmudflap/15293.
691 * configure.in: Look for glibc extension functions. Look for
692 support of -f{function,data}-sections. Look for more headers.
693 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
694 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
695 mf-hooks* into usual single object per source.
696 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
697 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
698 if system doesn't provide one.
699 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
700 (pthread_create): Use it to properly GC dead thread stacks.
701 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
702 * testsuite/Makefile.am: Stop generating site.exp.
703 * testsuite/mfconfig.exp.in: New file.
704 * testsuite/config/default.exp: Load new mfconfig.exp.
705 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
706 (prune_gcc_output): Add glibc static linking warnings.
707 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
708 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
709 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
710 Regenerated with autoconf 2.57 and automake 1.7.
712 2004-06-04 Per Bothner <per@bothner.com>
714 * configure.in (LIBMUDFLAPTH): Fix thinko.
716 * configure.in: Check for more headers.
717 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
719 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
720 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
722 2004-06-01 Andreas Jaeger <aj@suse.de>
724 * configure.in: Handle multilibs, support
725 --enable-version-specific-runtime-libs.
726 * Makefile.am (lib_LTLIBRARIES): Rename to ...
727 (toolexeclib_LTLIBRARIES): this for multilib support.
728 * Makefile.in: Regenerated.
729 * configure: Regenerated.
730 * aclocal.m4: Regenerated.
731 * config.h.in: Regenerated.
732 * testsuite/Makefile.in: Regenerated.
734 2004-06-01 Andreas Jaeger <aj@suse.de>
736 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
737 multilibs, using multilib directory instead of hardcoded path.
740 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
742 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
743 * Makefile.in: Ditto.
745 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
747 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
748 * aclocal.m4, configure: Rebuilt.
750 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
752 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
753 import some build settings from libstdc++-v3 testsuite_flags.
754 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
755 changes to pass test language.
757 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
758 quicker mode-nop handling.
760 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
762 * mf-impl.h: Added libgcc license header.
764 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
766 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
767 Added libgcc license header.
768 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
769 (pthread_create): Simplify stack allocation syntax.
771 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
773 * mf-hooks2.c: Support FreeBSD.
774 (WRAP_gets): Avoid gets().
775 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
776 test unimplemented mem/str calls on FreeBSD.
777 * testsuite/libmudflap.c/pass21-frag.c: Do not include
778 <alloca.h> on FreeBSD.
780 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
782 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
783 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
784 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
785 flags for static linking permutation.
786 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
787 some pthreads code that croaks on linux glibc tls.
789 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
791 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
793 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
795 * testsuite/libmudflap.c/pass44-frag.c: New test.
797 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
799 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
801 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
803 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
805 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
807 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
809 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
812 * configure.in: Add check for see if
813 socklen_t typedef is in sys/socket.h.
814 * mf-hooks1.c: Add define if socklen_t
816 * mf-hooks2.c: Likewise.
817 * mf-hooks3.c: Likewise.
818 * config.h.in: Regen.
821 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
823 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
824 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
826 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
827 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
828 (unoptimized) allocation of stack space.
830 2003-12-07 Richard Henderson <rth@redhat.com>
832 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
833 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
835 2003-12-06 Andrew Pinski <apinski@apple.com>
837 partial PR libmudflap/12670
838 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
839 * mf-hooks2.c: Likewise.
840 * mf-hooks3.c: Likewise.
842 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
845 * mf-runtime.h.in: Switch to #pragma redefine_extname for
846 symbols interposed at compile time.
847 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
850 * mf-hooks2.c (semctl): Tolerate FreeBSD.
852 * configure.in: Reorganize check for <pthread.h>.
853 * configure: Regenerated.
855 2003-11-04 David Edelsohn <edelsohn@gnu.org>
857 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
858 (_LARGE_FILE_API): Define for AIX.
859 * mf-hooks[123]: Same.
860 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
862 2003-10-21 David Edelsohn <edelsohn@gnu.org>
864 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
866 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
868 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
870 * configure.in: Update check for union semun.
872 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
875 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
877 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
880 * configure.in: Add checks for 64-bit LFS functions, struct semun
881 definition, for BSD compatibility.
882 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
883 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
884 * mf-hooks3.c: Ditto.
885 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
887 * configure, config.h.in: Regenerated.
889 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
891 Multithreading fixes:
892 * mf-runtime.c (__mf_object): Store allocating/deallocating
894 (options): Support new "-thread-stack" option.
895 Rename "-heur-argv-environ" option to "-heur-stdlib".
896 Disable "-lc-mask" and "-lc-shift" options.
897 (__mf_dynamic): Add function pointers for pthread_join/_exit.
898 (__assert_fail): New self-contained function for glibc.
899 * mf-hooks3.c: Essentially rewritten, particularly related to
900 use of __mf_pthread_info array.
901 (pthread_join, _exit): New hook functions.
902 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
903 * testsuite/libmudflap.cth/pass40-frag.c: New test.
906 * mf-heuristics.c: Add type casts for tracing, sub calls.
907 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
908 Update all callers to declare explicit result holder.
909 (END_PROTECT): Removed.
910 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
912 2003-07-15 Diego Novillo <dnovillo@redhat.com>
914 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
915 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
916 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
918 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
920 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
922 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
923 Move these macros from old mf-hooks.c here.
924 * Makefile.am: Adapt to split-up hook sources for faster builds.
925 * Makefile.in: Regenerated.
927 * mf-heuristics.c: Remove #if-0 block.
929 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
930 (__mf_starting_p): New state only for use while dlsym bootstrapping.
931 (CALL_REAL, __mf_init): Corresponding changes.
932 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
933 all callers to remove redundant "mf:" prefix.
934 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
935 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
936 (__mf_pthread_info): Become a hash table.
938 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
939 "dg-repetitions" directives to control test case execution.
940 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
942 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
944 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
946 * mf-hooks.c (alloca): Separate into stub.
947 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
948 malloc/free for alloca blocks.
949 (pthread_create): Tolerate failing pthread_attr_get* calls.
950 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
951 * mf-impl.h (CALL_WRAP): Remove macro.
952 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
953 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
954 padding for ia64 BIT_FIELD_REF constructs.
956 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
958 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
959 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
960 libmudflap object type.
961 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
962 crashes on unregistering STATIC objects.
964 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
966 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
967 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
968 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
969 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
970 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
971 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
972 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
973 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
974 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
975 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
976 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
977 (accept, bind, connect, gethostname, sethostname): New hooks.
978 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
979 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
980 (semop, semctl, shmctl, shmat, shmdt): New hooks.
981 * mf-runtime.h.in: Corresponding changes.
982 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
983 (opts) Rename heur_argv_environ to heur_std_data.
984 (__mf_wrap_main): Use STATIC type for argv/environ strings.
985 * Makefile.am: Corresponding changes.
986 * Makefile.in: Regenerated.
988 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
990 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
991 heuristic for threaded case, and for non-x86-linux targets.
992 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
993 for use during pre-main() program startup.
994 (__mf_0fn_*): Make these functions non-static.
995 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
997 * mf-runtime.c (__mf_state): Set initial state to "starting".
998 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
999 (__wrap_main): New function to register argv[] and environ[] strings.
1000 (__mf_ini): Call it.
1001 (*): In all trace functions, use "%p" as formatter for uintptr_t.
1003 * testsuite/libmudflap.c/pass38-frag.c: New test case.
1004 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
1006 * acinclude.m4: Add comments with aoliva's concerns about x86_64
1008 * aclocal.m4, configure: Regenerated.
1010 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
1012 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
1013 * aclocal.m4, configure: Regenerated.
1015 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
1017 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
1018 for x86_64 target. Disable caching for this value.
1019 * aclocal.m4, configure: Regenerated.
1021 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
1023 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
1024 is about to become deprecated, and its present handling bugs are
1027 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
1029 * testsuite/libmudflap.c/pass38-frag.c: New test for
1032 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1034 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
1035 __mf_report, asserting reentrant calling context.
1037 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
1039 * mf-hooks.c (realloc): Correct reentrancy logic.
1040 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
1042 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
1044 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
1045 PTHREAD_THREADS_MAX. Update users.
1046 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
1048 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
1049 with libmudflapth presence indicator.
1050 * testsuite/Makefile.in: Regenerated.
1052 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
1054 * Makefile.am (AM_CFLAGS): Remove "-ansi".
1055 * configure.in: Remove silly no-pthreads => no-shared logic.
1056 * Makefile.in, configure: Regenerated.
1057 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
1058 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
1059 code. Count reentrancy events.
1060 (all hook functions): Don't directly manipulate __mf_state variable.
1061 Add TRACE calls to hook functions without them.
1062 * mf-impl.h (LOCKTH): Try to count lock contention events.
1063 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
1064 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
1065 Reorganize reentrancy code.
1066 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
1067 identify reentrancy with mutex holding times.
1068 (internal __mfu_ entry points): Remove internal reentrancy code.
1069 (__mf_init): Use ordinary locked calls.
1070 (__mfu_report): Print the two new counts.
1071 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
1072 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
1073 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
1074 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
1077 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
1079 * configure.in: Add pthread support, plus glibc and porting hacks.
1080 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
1081 from objects built into ./pth/.
1082 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
1083 functions for internal entry points. Update callers to pick
1084 locked vs. unlocked variants.
1085 (__mf_resolve_single_dynamic): Extend to support symbol versioning
1086 info coming in from a static data structure.
1087 (*): Reorder miscellaneous declarations to group data vs functions.
1088 (__mf_set_default_options): Simplify.
1089 (__mf_usage): Mention threading status of host executable.
1090 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
1091 decls to match above.
1092 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
1093 * mf-heuristics.c: Choose between locked/unlocked calls. Add
1094 some lock/unlock markers. Remove some unused code.
1096 (pthread_create): New hook function.
1097 (__mf_pthread_cleanup, _spawner): New helper functions.
1098 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
1100 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
1102 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
1104 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
1106 * Makefile.am (HOOKOBJS): Add *time related hooks.
1107 * configure.in: Look for pthreads.h header.
1108 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
1109 * mf-runtime.c: Begin sketching some pthreads support.
1110 (__mf_usage): Check for -lpthread presence.
1111 (__mf_unregister): Confirm matching unregistration base.
1112 (__mf_find_objects_rec): Reduce unnecessary recursion.
1113 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
1114 #defines for new hook functions.
1115 * mf-impl.h: Corresponding changes.
1116 * config.h.in, configure, Makefile.in: Regenerated.
1118 2002-04-27 Diego Novillo <dnovillo@redhat.com>
1120 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
1121 modifiers to prevent being optimized away.
1122 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
1123 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1124 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
1125 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1126 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
1127 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
1128 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
1130 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1132 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1133 * configure.in: Look for uintptr_t and -ldl on target.
1134 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1135 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1136 * testsuite/Makefile.in: Regenerated.
1137 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1138 for better C compliance.
1140 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1142 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1144 * mf-runtime.c (__mf_set_default_options): Turn off
1145 check-initialization.
1146 (__mf_describe_object): Shorten description.
1147 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1149 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
1151 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1153 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
1155 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1157 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1158 * mf-impl.h (CALL_BACKUP): New macros.
1159 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1161 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
1163 * Makefile.am (AM_CFLAGS): Remove optimization flags.
1164 (HOOKOBJS): Remove dlopen hook.
1165 (libmudflap_la_LIBADD): Add -ldl.
1166 * mf-hooks.c (dlopen): Remove hook.
1167 * mf-impl.h (__mf_dynamic): Ditto.
1168 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1169 * Makefile.in: Regenerated.
1171 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
1173 * configure.in: Check for target gettimeofday, signal, some headers.
1174 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
1175 out inop multi_threaded field.
1176 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1177 (__mf_set_options): Correct handling of "-help".
1178 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1179 (__mf_check, __mf_register, __mf_unregister): Call it.
1180 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1181 (__mf_report_leaks): Make callable
1182 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
1183 distribution statistics.
1184 (__mf_adapt_cache): Rewrite shift guessing logic based on address
1186 * config.h.in, configure: Regenerated.
1187 * testsuite/libmudflap.c/fail27-frag.c: New test.
1188 * testsuite/libmudflap.c/pass36-frag.c: New test.
1190 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
1192 * mf-runtime.h.in: Tweak.
1193 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1194 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1195 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1197 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1199 * configure.in: Tweak generation of mf-runtime.h some more. It
1200 needs to work from both config.status and configure.
1201 * configure: Regenerated.
1203 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1205 * Makefile.am: Reorganize hook file building. Add auto dependencies.
1206 * configure.in: Tweak generation of mf-runtime.h.
1207 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1208 * mf-hooks.c (*): Adapt to initialized-heap object type.
1209 * mf-impl.h: Tweak cemetary boundaries.
1210 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1212 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1213 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1214 * testsuite/lib/libmudflap.exp (includes): Include build tree.
1215 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1217 * testsuite/.../fail{25,26}-frag.c: New tests.
1218 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1219 * Makefile.in, configure: Regenerated.
1221 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1223 * mf-runtime.c (__mf_set_default_options): Turn on initialization
1224 checking by default.
1225 (__mf_insert_new_object): As a temporary hack, assume that new
1226 objects registered on the stack start out initialized.
1227 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1228 heap objects by hand.
1230 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1232 Switch to macro-style hooks for str*/mem*/b* functions.
1233 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1234 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1235 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1236 (__mf_set_default_options): Turn off heur_proc_map.
1237 (*): Adapt to to macro-style hook functions.
1238 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1239 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1240 (__mf_violation): Handle __MF_VIOL_WATCH.
1241 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1242 (__mf_dynamic): Removed mem*/str*/b* functions.
1243 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1244 (WRAPPER2): New macro for macro-style hooks.
1245 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1247 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1248 * mf-heuristics.c: Adapt to macro-style hook functions.
1249 Correct some comments.
1250 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1251 output pattern tests.
1252 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1253 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1255 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1257 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1258 for global array registration.
1259 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1260 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1262 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1264 * Makefile.am: Add gross make bug workarounds. Tweaked
1265 SUBDIRS and AM_CFLAGS.
1266 * Makefile.in: Regenerated.
1268 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1271 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1272 * Makefile.am (TESTS): Remove simple automake testing.
1273 * configure, Makefile.in: Regenerated.
1274 (SUBDIRS): Include new testsuite/ directory.
1275 * tests/*: Removed all files; moved bulk under:
1276 * testsuite/*: New subdirectory tree.
1277 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1278 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1279 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1280 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1281 * testsuite/config/default.exp: New file.
1282 * testsuite/Makefile.am, Makefile.in: New files.
1284 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1286 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1287 (TESTS): Add fail22 and pass29 tests.
1288 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1289 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1290 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1291 values. Move __MF_VIOL* here.
1292 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1293 (check_initialization): New field in __mf_opts. Default off.
1294 (read_count,write_count): New fields in __mf_object.
1295 (__mf_check): Implement basic initialization checking.
1296 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1297 (__mf_describe_object): Print new fields.
1298 (__mf_violation): Identify check/read vs. check/write in messages.
1299 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1300 "-check-initialized" mudflap option.
1301 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1302 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1303 Drop __FILE__/__LINE__ hack. Update callers.
1304 (*): Adapt to new mf-runtime.h API.
1305 * Makefile.in: regenerated.
1307 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1309 * configure.in: Build mf-runtime.h a more proper way.
1310 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1311 * mf-runtime.c (verbose_violations): Turn on by default.
1312 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1313 * mf-impl.h: ... and move it here.
1314 * configure: Regenerated.
1316 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1318 * configure.in: Look for C++ compiler.
1319 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1320 fixed type warnings when built with C++.
1321 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1322 * Makefile.am (TESTS): Run them.
1323 (*) Add new rules for building and running C++ tests.
1324 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1325 * mf-runtime.h.in: Protect with extern "C".
1326 * Makefile, configure: Regenerated.
1328 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1330 Portability improvements.
1331 * configure.in: Look for glibc backtrace headers/functions.
1332 * mf-hooks.c: Don't include <execinfo.h> any more.
1333 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1335 (__mf_backtrace): Provide alternate baby implementation in
1337 * test/mf-driver.c: Portability tweaks.
1338 * acinclude.m4: New file, containing top level libtool.m4.
1339 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1341 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1343 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1345 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1347 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1349 (__mf_unregister): Implement stack/heap object wiping.
1350 (__mf_set_options): Renamed from __mf_process_opts.
1351 (__mf_uncache_object): Change arg type, correct callers.
1352 * mf-impl.h: Corresponding changes.
1353 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1354 * mf-runtime.h.in (__mf_set_options): Extend public API.
1355 * test/pass26-frag.c: New test for stack wiping.
1356 * Makefile.am (TESTS): Run it.
1357 * Makefile.in: Regenerated.
1359 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1361 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1362 * mf-runtime.c (__mf_object_t): Add watching_p field.
1363 (__mf_watch_or_not): New function to implement
1364 object watch flagging.
1365 (__mf_watch, __mf_unwatch): New wrappers for above.
1366 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1367 (__mf_count_violation): Enlarge array.
1368 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1369 unlink object. Clear cache properly.
1370 (__mf_unregister): Unlink object explicitly before uncaching.
1371 * test/fail21-frag.c, pass25-frag.c: New tests.
1372 * Makefile.in, aclocal.m4: Regenerated.
1374 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1376 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1377 * Makefile.am (TESTS): Add it.
1378 * test/pass-stratcliff.c: Add decls of stpcpy.
1379 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1380 build tree from config.h and new file mf-runtime.h.in.
1381 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1382 * Makefile.in, configure, config.h.in: Regenerated.
1383 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1384 * mf-runtime.c (options, __mf_set_default_options): Support new
1385 default "abbreviate" option.
1386 (__mf_object.description_epoch): New field.
1387 (__mf_describe_object): Conditionally abbreviate objects already
1388 displayed in current epoch. Accept NULL input to increment epoch.
1389 (__mf_fini, __mf_ini): Reset description epoch.
1390 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1391 that NULL pointer slot in lookup cache is invalidated. Register a
1392 NOACCESS region around NULL.
1393 * mf-impl.h: Corresponding changes.
1395 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1397 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1398 * Makefile.am: Run them. Install mf-runtime.h.
1399 * Makefile.in: Regenerated.
1400 * mf-hooks.c: Add some markers for more missing functions.
1401 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1402 statistic to tune tune cache size (mask).
1404 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1406 * test/pass23-frag.c: New test for bit_field_ref expressions.
1407 * Makefile.am, Makefile.in: Add new test.
1408 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1409 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1410 * mf-runtime.c (__mf_init): Register errno global.
1411 (__mf_find_object): Removed function.
1412 (__mf_check): Rewrite logic to support accesses across some
1413 contiguous but distinctly registered objects.
1414 (__mf_remove_old_object): Tolerate cache entries that span
1417 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1419 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1420 * Makefile.am, Makefile.in: Run new tests.
1421 * mf-hooks.c (alloca): Correct stack direction logic.
1423 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1425 * mf-impl.h (adapt_cache): New option.
1426 * mf-runtime.c (__mf_set_default_options): Set its default value.
1427 Tweak the tree_aging parameter down.
1428 (__mf_check): Maintain separate counter for cache-adaptation.
1429 (__mf_tree_analyze): New function to collect object tree stats.
1430 (__mf_adapt_cache): New function to automate cache parameters.
1432 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1434 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1435 hypothetical #if-0'd argv/envp region registration.
1436 * mf-runtime.c (__mf_init): Add kludged form of above.
1437 (*) Add "heur_argv_environ" flag, default on, to govern this.
1438 * mf-impl.h: Corresponding changes.
1440 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1442 * test/fail18-frag.c: New test file for NOACCESS regions.
1443 * Makefile.am (TESTS): Add new test.
1444 * Makefile.in: Regenerated.
1446 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1447 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1448 (optimize_object_tree): Remove unused mudflap_option.
1449 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1450 support throughout. Use .._MAX_CEM for cemetary upper bound.
1451 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1453 (__mf_object): Add new liveness field for use by tree aging.
1454 (__mf_check): Trigger tree aging when needed.
1455 (__mf_age_tree): New function to decay liveness field.
1456 (__mf_find_objects_rec): Use liveness field to rotate tree.
1457 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1458 (__mf_unregister): Ditto.
1459 (__mf_register): Tweak duplicate-static message.
1460 (__mf_violation: Tweak nearby-object counter printing.
1462 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1464 * test/pass20-frag.c: New test file.
1465 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1466 * Makefile.in: Regenerated.
1468 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1469 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1470 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1471 entries to avoid repeat registration.
1472 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1473 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1475 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1477 * Makefile.am: Create test sources with #include, not cat>>.
1478 * Makefile.in: Regenerated.
1479 * test/buildtest.sh: Removed.
1480 * test/driver.c (abort_handler, main): Be quiet.
1482 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1484 * test/pass18-frag.c, pass19-frag.c: New tests.
1485 * Makefile.am (check): Run them. Rebuild test programs each time.
1486 * Makefile.in: Regenerated.
1488 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1490 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1491 overlapping object search.
1492 (__mf_violation): Likewise for nearby objects.
1493 Improve nearby-object listing.
1496 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1497 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1499 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1502 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1503 (HOOKOBJS): Add alloca-hook.o.
1504 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1506 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1507 (__mf_backtrace): Reimplement without using alloca.
1508 * Makefile.in: Regenerated.
1511 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1512 Correct signedness bugs in length-tracking variables.
1513 * mf-impl.h: Make options unsigned.
1514 (CALL_WRAP): New macro to parallel CALL_REAL().
1515 (DECLARE): Remove erroneous ";" at end.
1516 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1517 formatting specs with %08lx. Correct several compiler warnings.
1519 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1521 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1523 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1525 libmudflap hook breakup:
1526 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1528 (TESTS): Make dependent on libmudflap.
1529 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1530 compiled from segments of mf-hooks.c.
1531 * mf-hooks.c: Corresponding changes: wrap each function in
1533 * Makefile.in: Regenerated.
1535 Heuristics reorganization:
1536 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1537 Remove these functions. Update callers.
1538 (__mf_heuristic_check): Incorporate all the various heuristics.
1539 Encode cacheability/retry judgement into trinary return value.
1540 Separate start-end logic into a separate fallback heuristic. Only
1541 register relevant /proc/self/map segments.
1542 * mf-impl.h: Corresponding changes.
1543 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1544 (__mf_init): Don't call __mf_init_heuristics.
1547 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1548 "-verbose-trace" to emit all tracing messages other than those of
1549 basic public api. Eliminate some duplicate/excessive messages.
1550 * mf-runtime.h: Corresponding changes.
1552 2002-08-27 Graydon Hoare <graydon@redhat.com>
1554 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1555 and __real when compiled with -DPIC.
1556 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1557 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1558 * Makefile.in: Regenerate.
1560 2002-08-26 Graydon Hoare <graydon@redhat.com>
1562 * mf-impl.h: New file, private implementation header.
1563 * mf-runtime.h: Reorganize a bit.
1564 (CLAMPSZ): Fix arithmetic.
1565 (__MF_CACHE_MISS_P): Fix arithmetic.
1566 * mf-runtime.c: Reorganize a bit.
1567 (__mf_dynamic): New structure.
1568 (resolve_single_dynamic): New function.
1569 (__mf_resolve_dynamics): New function.
1570 (__mf_init): Initialize dynamic wrappers.
1571 * mf-hooks.c: Macro-ize __real calls.
1572 Clamp various bits of arithmetic.
1573 Add explicit __mf_check call contexts.
1574 * Makefile.am: Add dependencies on mf-impl.h
1575 * Makefile.in: Regenerate.
1576 * configure.in: Comment out shared override.
1577 * configure: Regenerate.
1579 2002-08-22 Graydon Hoare <graydon@redhat.com>
1581 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1582 (__mf_check): Re-inialize and check heuristics before violation.
1583 (__mf_register): Permit updating pure-guess regions.
1584 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1585 (__wrap_dlopen): New wrapper function.
1586 (__wrap_mmap): New wrapper function.
1587 (__wrap_munmap): New wrapper function.
1588 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1589 which are not stack addresses.
1590 (is_stack_address): New function.
1591 (__mf_init_heuristics): Save and restore state, always initialize with
1594 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1596 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1597 error. Pass location string.
1598 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1599 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1600 (__mf_process_opts): Apply some sanity checking for lc-mask.
1601 (__mf_check, __mf_violation): Take new location-string argument.
1602 Update callers to pass NULL if necessary.
1603 (__mf_backtrace): New smart backtracer function. Calls replace
1604 several ad-hoc blocks elsewhere.
1605 (__mf_describe_object): Remove bad reentrancy test. Improve
1607 * mf-runtime.h: Corresponding changes. Public/private markup.
1608 (__MF_CACHE_MISS_P): New macro.
1610 2002-08-20 Graydon Hoare <graydon@redhat.com>
1612 * mf-runtime.h: New option: stack_bound (heuristic).
1613 Move some macros out of implementation files.
1614 * mf-runtime.c: New option string: -stack-bound.
1615 Unify recursion protection with hooks.
1617 (__mf_check): Call __mf_heuristic_check.
1618 (__mf_process_opts): Fix "no-" processing.
1619 * mf-heuristics.c (__mf_heuristic_check): New function.
1620 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1622 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1624 Option parsing improvements, region splitting bug fixes:
1625 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1626 * mf-runtime.h (heur_proc_map): New libmudflap option.
1627 * mf-runtime.c (__mf_set_default_options): Set it.
1628 (__mf_usage): Print default values/status.
1629 (__mf_process_opts): Support general "no-" option string prefix.
1630 (__mf_init): Print __mf_usage on unknown-option error.
1631 (__mf_register): Print trace message up front.
1632 Correct region splitting logic for case where a subregion disappears.
1633 Correct memory leak.
1634 (__mf_violation): Make even basic message conditional on option.
1637 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1638 (clean-local): New target.
1639 (test/*x rules): Add -g CFLAGS.
1640 (CFLAGS): Add -freorder-blocks.
1641 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1642 * Makefile.in: Regenerated.
1643 * Makefile, mf-config.h: Removed files.
1645 2002-08-16 Graydon Hoare <graydon@redhat.com>
1647 * mf-runtime.c (__mf_insert_new_object): Factor out of
1649 (__mf_remove_old_object): Factor out of __mf_unregister.
1650 (__mf_register): Handle guessed regions, splitting
1651 guesses when new registrations arrive.
1652 (__mf_unregister): Do not unregister guesses.
1653 * mf-runtime.h: Move convenience macros around,
1654 declare new option fields. Add __MF_TYPE_GUESS.
1655 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1656 (__wrap_free): Call __real_free for deferred frees.
1657 * Makefile.am: Add more tests, fix dependency.
1658 * Makefile.in: Regenerate.
1659 * test/pass[13..17]-frag.c: New testcases.
1660 * test/fail[13..17]-frag.c: New testcases.
1662 2002-08-15 Graydon Hoare <graydon@redhat.com>
1664 * mf-heuristics.c: New file.
1665 * mf-runtime.c (options): Add -trace-calls option.
1666 (__mf_init): Call __mf_init_heuristics.
1668 2002-08-14 Graydon Hoare <graydon@redhat.com>
1670 * Makefile.am (TESTS): Add testsuite support.
1671 * Makefile.in: Regenerate.
1672 * test/mf-driver.c: New file.
1673 * test/buildtest.sh: New file.
1674 * test/passNN-frag.c: New testcases.
1675 * test/failNN-frag.c: New testcases.
1677 2002-08-14 Graydon Hoare <graydon@redhat.com>
1679 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1680 verifying non-size-limited string extents.
1682 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1684 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1685 instead of plain str[n]len for internal checks.
1686 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1688 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1690 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1692 2002-08-13 Graydon Hoare <graydon@redhat.com>
1694 * mf-runtime.c: Rework configuration to operate on
1695 environment variable options rather than #defines
1696 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1697 (__mf_init): Set static __mf_active_p flag on startup,
1698 to inhibit mudflap wrap-based checking during crt0.s.
1699 * mf-runtime.h: Declare options structure.
1700 * mf-hooks.c: New wrappings for mem*, b*, str*
1701 libc functions (temporarily #if 0-ed out).
1703 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1705 * Makefile.am, configure.in: New files.
1706 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1707 * stamp-h.in, aclocal.m4: Ditto.
1709 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1711 * Makefile: New file.
1712 * mf-config.h: New file: runtime configuration.
1713 * mf-hooks.c: New file: interposed libc functions.
1714 * mf-runtime.c: New file: bulk of runtime.
1715 * mf-runtime.h: New file: public functions.