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2006-11-06 Frank Ch. Eigler <fche@redhat.com>
[thirdparty/gcc.git] / libmudflap / ChangeLog
1 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
2
3 From Herman ten Brugge <hermantenbrugge@home.nl>:
4 * mf-runtime.c (__mf_uncache_object): Optimize the code so that
5 small and large objects are handled a lot faster.
6
7 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
8
9 * configure.ac (__libc_freeres): Look for it.
10 * mf-impl.h (call_libc_freeres): New configuration flag.
11 * mf-runtime.c (__mf_set_default_options): Set it by default.
12 (__mfu_report): Call it if needed.
13 (__mfu_unregister): Remove "unaccessed registered object" warning.
14 * configure, config.h.in: Regenerated.
15
16 2006-09-18 Tom Tromey <tromey@redhat.com>
17
18 * configure: Rebuilt.
19
20 2006-06-21 Frank Ch. Eigler <fche@redhat.com>
21
22 PR 21274
23 mf-runtime.h installation based on ssp patch for PR 26473 from
24 Mark Mitchell <mark@codesourcery.com>.
25 * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
26 * Makefile.am (target_noncanonical): Define.
27 (libsubincludedir): New variable.
28 (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
29 (include_HEADERS): Remove.
30 * configure, aclocal.m4, config.h.in: Regenerated.
31 * Makefile.in, testsuite/Makefile.in: Likewise.
32 * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
33 and _THREAD_SAFE redefinition values.
34
35 2006-05-23 Carlos O'Donell <carlos@codesourcery.com>
36
37 * Makefile.am: Add install-html target. Add install-html to .PHONY
38 * Makefile.in: Regenerate.
39
40 2006-04-19 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
41
42 PR mudflap/26789
43 * testsuite/libmudflap.c++/error1-frag.cxx: New test.
44
45 PR mudflap/26790
46 * testsuite/libmudflap.c++/error2-frag.cxx: New test.
47
48 2006-04-10 Matthias Klose <doko@debian.org>
49
50 * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
51 directory names containing underscores.
52
53 2005-11-22 Janis Johnson <janis187@us.ibm.com>
54
55 * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
56 MUDFLAP_FLAGS if static library not supported.
57 * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
58 * testsuite/libmudflap.c/externs.exp: Ditto.
59 * testsuite/libmudflap.c++/ctors.exp: Ditto.
60 * testsuite/libmudflap.c++/c++frags.exp: Ditto.
61 * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
62
63 2005-10-04 James E Wilson <wilson@specifix.com>
64
65 * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
66 $name as array of characters with unknown bound. Also store into the
67 array.
68 * configure: Regenerate.
69
70 2005-09-30 James E. Wilson <wilson@specifix.com>
71
72 * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
73 AC_CHECK_HEADER.
74 (target_thread_file): New. Set from sed'ed gcc output.
75 (posix_threads): New. Set from target_thread_file. Use instead of
76 ac_have_pthread_h.
77 (pthread_create_version): Move initialization before code using it.
78 * configure: Regenerate.
79
80 * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
81 bounds.
82
83 2005-09-29 James E. Wilson <wilson@specifix.com>
84
85 * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
86 with HAVE_MMAP ifdef.
87
88 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
89
90 PR 23084.
91 * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
92
93 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
94
95 * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
96
97 2005-09-23 Tom Tromey <tromey@redhat.com>
98
99 * aclocal.m4, configure: Rebuilt.
100 * configure.ac: Use GCC_CHECK_TLS.
101 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
102 to ../config.
103
104 2005-08-22 Jim Wilson <wilson@specifix.com>
105
106 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
107 __FreeBSD__ is defined.
108
109 2005-08-17 Jim Wilson <wilson@specifix.com>
110
111 * mf-hooks1.c (malloc, calloc, realloc, free,
112 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
113 the real routines, and END_MALLOC_PROTECT afterwards.
114 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
115 (BEGIN_PROTECT): Handle in_malloc state.
116 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
117 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
118
119 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
120
121 * All files: Update FSF address.
122
123 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
124
125 * mf-hooks3.c (main_seen_p): Remove.
126 (__mf_get_state): Remove attempt to recognize the main thread.
127
128 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
129
130 * configure.ac: Test for the name of the symbol used for the entry
131 point; define ENTRY_POINT to the result.
132 * configure: Regenerate.
133 * config.h.in: Regenerate.
134 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
135
136 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
137
138 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
139 (__mf_init): Set thread state active.
140 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
141 state active.
142 (pthread_create wrapper): Always use thread spawner.
143
144 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
145 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
146
147 2005-07-16 Richard Henderson <rth@redhat.com>
148
149 * acinclude.m4: New file.
150 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
151 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
152 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
153 (__mf_0fn_calloc): ... here.
154 * mf-hooks3.c (struct pthread_info): Remove.
155 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
156 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
157 (struct mf_thread_data): New.
158 (mf_thread_data, mf_thread_data_lock): New.
159 (__mf_allocate_blank_threadinfo): Remove.
160 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
161 not available.
162 (__mf_state_perthread): Remove.
163 (__mf_get_state, __mf_set_state): New.
164 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
165 Update mf_thread_data killing procedure.
166 (__mf_pthread_spawner): Similarly.
167 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
168 code to allocate thread stack space.
169 (__mf_0fn_pthread_join, pthread_join): Remove.
170 (__mf_0fn_pthread_exit, pthread_exit): Remove.
171 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
172 (__mf_state_1): Rename from __mf_state; use TLS when available.
173 (__mf_get_state, __mf_set_state): New. Update all users.
174 * mf-runtime.c (begin_recursion_protect1): New.
175 (BEGIN_RECURSION_PROTECT): Use it.
176 (__mf_state_1): Rename from __mf_state; use TLS when available.
177 (threads_active_p): Remove.
178 (__mf_usage): Compute it directly.
179
180 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
181
182 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
183
184 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
185
186 Fix for uncaching bug reported by Herman ten Brugge.
187 * mf-runtime.c (__mf_uncache_object): Search whole cache.
188 * testsuite/libmudflap.c/fail40-frag.c: New test.
189
190 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
191
192 PR libmudflap/21724
193 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
194 * Makefile.in: Amend.
195
196 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
197
198 PR mudflap/21023
199 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
200 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
201
202 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
203
204 PR libmudflap/21094
205 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
206
207 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
208
209 PR mudflap/22064
210 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
211 unsigned vars with #defines instead of enums.
212
213 2005-05-09 Mike Stump <mrs@apple.com>
214
215 * configure: Regenerate.
216
217 2005-04-12 Mike Stump <mrs@apple.com>
218
219 * configure: Regenerate.
220
221 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
222
223 PR mudflap/19266
224 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
225 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
226
227 2005-04-04 Alan Modra <amodra@bigpond.net.au>
228
229 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
230
231 2005-03-31 Mike Stump <mrs@apple.com>
232
233 * mf-runtime.h: Add libmudflap copyright clause.
234
235 2005-03-21 Mike Stump <mrs@apple.com>
236
237 * mf-heuristics.c: Fix whitespace at end of line.
238 * mf-hooks1.c: Likewise.
239 * mf-hooks2.c: Likewise.
240 * mf-hooks3.c: Likewise.
241 * mf-impl.h: Likewise.
242 * mf-runtime.c: Likewise.
243 * mf-runtime.h: Likewise.
244
245 2005-03-21 Zack Weinberg <zack@codesourcery.com>
246
247 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
248 In all substitutions, expand gcc_version in Makefile.
249 * aclocal.m4, configure: Regenerate.
250 * Makefile.am: Set gcc_version.
251 * Makefile.in, testsuite/Makefile.in: Regenerate.
252
253 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
254
255 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
256 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
257
258 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
259
260 PR mudflap/19319
261 * testsuite/libmudflap.c++/pass55-frag.c: New test.
262
263 2005-01-05 Richard Henderson <rth@redhat.com>
264
265 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
266
267 2005-01-02 Greg McGary <greg@mcgary.org>
268
269 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
270 * mf-runtime.h: New file, replaces mf-runtime.h.in.
271 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
272 * Makefile.in: Ditto.
273 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
274 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
275 * testsuite/libmudflap.c/fail36-frag.c: New test.
276 * testsuite/libmudflap.c/fail37-frag.c: New test.
277 * testsuite/libmudflap.c/fail38-frag.c: New test.
278
279 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
280
281 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
282 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
283
284 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
285
286 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
287 * aclocal.m4: Include ../config/gcc-version.m4.
288 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
289
290 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
291
292 * Makefile.am: Define ACLOCAL_AMFLAGS.
293 * acinclude.m4: Remove.
294 * stamp-h.in: Remove superfluous stamp file.
295 * aclocal.m4, configure, Makefile.in: Regenerate.
296 * testsuite/Makefile.in: Likewise.
297
298 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
299
300 * Makefile.am: Revert previous.
301 * acinclude.m4: Restore.
302 * aclocal.m4, configure, Makefile.in: Regenerate.
303 * testsuite/Makefile.in: Likewise.
304
305 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
306
307 * Makefile.am: Define ACLOCAL_AMFLAGS.
308 * acinclude.m4: Remove.
309 * aclocal.m4, configure, Makefile.in: Regenerate.
310 * testsuite/Makefile.in: Likewise.
311
312 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
313
314 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
315
316 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
317
318 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
319 * testsuite/Makefile.in: Likewise.
320
321 2004-11-01 Andreas Schwab <schwab@suse.de>
322
323 * configure.ac: (target_alias): Default to $host_alias, not
324 $target.
325 * configure: Regenerated.
326
327 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
328
329 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
330 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
331 message.
332
333 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
334
335 PR other/18138
336 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
337
338 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
339
340 * configure.ac: Check for more headers, functions.
341 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
342 tracking overridden FILE buffers.
343 (fopen, setvbuf): New/revised hook functions for buffer overriding.
344 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
345 (fflush): Accept given NULL stream (means "all streams").
346 * mf-runtime.h.in:
347 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
348 HEAP/GUESS objects.
349 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
350 (__mf_adapt_cache): Use them all.
351 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
352 * testsuite/libmudflap.c++/ctors.exp: Ditto.
353 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
354 * configure, config.h.in: Regenerated.
355
356 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
357
358 * configure.ac: Checking for sys/socket.h once is enough.
359 * configure: Regenerated.
360
361 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
362
363 * configure.ac: Look for more headers & functions.
364 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
365 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
366 * mf-runtime.c (options): Clean up integer signedness warnings.
367 (main): Add a declaration to fix a warning.
368 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
369 * configure, config.h.in: Regenerated.
370
371 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
372
373 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
374 New tests for proper base/limit checking for aggregates.
375
376 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
377
378 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
379
380 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
381
382 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
383 * mf-hooks2.c (strerror): Unregister previous string returned by
384 previous strerror.
385 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
386 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
387 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
388 * mf-runtime.c (__mf_describe_object): Clarify object life status.
389 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
390 New tests.
391 * configure, config.h.in: Regenerated.
392
393 2004-08-03 Dale Johannesen <dalej@apple.com>
394
395 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
396
397 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
398
399 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
400 simplified contents in all former callers.
401
402 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
403
404 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
405 the statically linked case.
406
407 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
408
409 * splay-tree.[ch]: Remove. Merge contents into ...
410 * mf-runtime.c: ... here, renaming symbols and making all functions
411 static. Remove unused min/max functions.
412 * Makefile.am: Forget about splay-tree.[ch].
413 * Makefile.in, testsuite/Makefile.in: Regenerated.
414
415 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
416
417 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
418 (__mfu_usage): Include (C) 2004.
419 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
420 here. Include a comment explaining why.
421
422 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
423
424 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
425 * mf-runtime.c (options): Give them a name.
426 (__mf_set_default_options): Set them.
427 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
428 (__mf_violation): Warning cleanup.
429 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
430 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
431
432 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
433
434 g++/15861
435 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
436 repeated invocation.
437
438 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
439
440 Test case for g++/15861
441 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
442 * testsuite/libmudflap.c++/ctors.exp: Driver.
443 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
444 Look only for *frag* test cases.
445
446 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
447
448 ANSI C conversion, libmudflap specialization, recursion limiting.
449 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
450 argument and indirection function pointers, update callers.
451 (splay_tree_s): Add statistics and recursion control fields
452 num_keys, max_depth, depth, rebalance_p.
453 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
454 Back out of search if it exceeds limit.
455 (splay_tree_splay): Manage recursion limiting with rebalancing as
456 needed.
457 (splay_tree_new): More initialization.
458 (splay_tree_rebalance): New function.
459 (splay_tree_foreach): Rewrite using nonrecursive logic.
460 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
461 Remove. Point indirect calls to mf-runtime.c's routines.
462 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
463 functions.
464 (splay_tree_delete, splay_tree_delete_helper): Ditto.
465 * testsuite/heap-scalestress.c: New test based on one from
466 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
467
468 2004-07-05 Matthias Klose <doko@debian.org>
469
470 * libtool-version: New.
471 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
472 Use -version-info for soname.
473 * Makefile.in: Regenerate.
474 * configure.ac: Remove libtool_VERSION macro
475 * configure: Regenerate
476
477 2004-07-05 Zack Weinberg <zack@codesourcery.com>
478
479 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
480 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
481 #ifndef _MUDFLAP.
482
483 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
484
485 Splay tree implementation fork.
486 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
487 Use hard-coded comparison function for uintptr_t. Remove key/value
488 deallocation logic. Cache last splayed key for consecutive lookups.
489 * Makefile.am, Makefile.in: Use them, don't link to them.
490 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
491 (__mf_find_objects2): Flip successor/predecessor search sequence.
492 * ansidecl.h, libiberty.h: Removed dummy files.
493
494 2004-06-29 Nick Clifton <nickc@redhat.com>
495
496 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
497 * configure: Regenerate.
498 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
499 HAVE_DIRENT_H.
500 Remove spurious inclusion of <strings.h>.
501
502 2004-06-29 Nick Clifton <nickc@redhat.com>
503
504 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
505 function actually exists.
506
507 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
508
509 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
510 * config.h.in: Regenerated.
511
512 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
513
514 Adopt splay trees for object database.
515 * Makefile.am: Copy splay-tree.* from libiberty.
516 * Makefile.in, testsuite/Makefile.in: Regenerated.
517 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
518 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
519 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
520 * mf-runtime.c: Rewrite code dealing with object database to use
521 libiberty splay trees. Remove tree liveness aging option.
522 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
523
524 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
525
526 * configure.ac: New name of configure.in. Update
527 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
528 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
529 Autoconf 2.5x and Automake 1.7 or later.
530 * configure.in: Remove.
531 * configure: Regenerate.
532
533 * Makefile.am: Remove useless multilib rules.
534 * Makefile.in: Regenerate.
535
536 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
537
538 * .cvsignore: New file.
539
540 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
541
542 PR libmudflap/13505
543 * mf-hooks2.c (semctl): Add cygwin porting hack.
544
545 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
546
547 ctype support.
548 * configure.in: Look for ctype header and glibc implementation.
549 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
550 array hooks for glibc 2.3.
551 * mf-runtime.h.in: Wrap them.
552 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
553 implementations.
554 * testsuite/libmudflap.c/pass47-frag.c: New test.
555 * configure, config.h.in: Regenerated.
556
557 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
558
559 Portability improvements, e.g., libmudflap/15293.
560 * configure.in: Look for glibc extension functions. Look for
561 support of -f{function,data}-sections. Look for more headers.
562 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
563 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
564 mf-hooks* into usual single object per source.
565 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
566 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
567 if system doesn't provide one.
568 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
569 (pthread_create): Use it to properly GC dead thread stacks.
570 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
571 * testsuite/Makefile.am: Stop generating site.exp.
572 * testsuite/mfconfig.exp.in: New file.
573 * testsuite/config/default.exp: Load new mfconfig.exp.
574 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
575 (prune_gcc_output): Add glibc static linking warnings.
576 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
577 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
578 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
579 Regenerated with autoconf 2.57 and automake 1.7.
580
581 2004-06-04 Per Bothner <per@bothner.com>
582
583 * configure.in (LIBMUDFLAPTH): Fix thinko.
584
585 * configure.in: Check for more headers.
586 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
587
588 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
589 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
590
591 2004-06-01 Andreas Jaeger <aj@suse.de>
592
593 * configure.in: Handle multilibs, support
594 --enable-version-specific-runtime-libs.
595 * Makefile.am (lib_LTLIBRARIES): Rename to ...
596 (toolexeclib_LTLIBRARIES): this for multilib support.
597 * Makefile.in: Regenerated.
598 * configure: Regenerated.
599 * aclocal.m4: Regenerated.
600 * config.h.in: Regenerated.
601 * testsuite/Makefile.in: Regenerated.
602
603 2004-06-01 Andreas Jaeger <aj@suse.de>
604
605 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
606 multilibs, using multilib directory instead of hardcoded path.
607 Set LD_RUN_PATH.
608
609 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
610
611 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
612 * Makefile.in: Ditto.
613
614 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
615
616 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
617 * aclocal.m4, configure: Rebuilt.
618
619 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
620
621 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
622 import some build settings from libstdc++-v3 testsuite_flags.
623 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
624 changes to pass test language.
625
626 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
627 quicker mode-nop handling.
628
629 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
630
631 * mf-impl.h: Added libgcc license header.
632
633 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
634
635 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
636 Added libgcc license header.
637 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
638 (pthread_create): Simplify stack allocation syntax.
639
640 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
641
642 * mf-hooks2.c: Support FreeBSD.
643 (WRAP_gets): Avoid gets().
644 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
645 test unimplemented mem/str calls on FreeBSD.
646 * testsuite/libmudflap.c/pass21-frag.c: Do not include
647 <alloca.h> on FreeBSD.
648
649 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
650
651 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
652 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
653 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
654 flags for static linking permutation.
655 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
656 some pthreads code that croaks on linux glibc tls.
657
658 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
659
660 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
661
662 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
663
664 * testsuite/libmudflap.c/pass44-frag.c: New test.
665
666 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
667
668 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
669
670 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
671
672 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
673
674 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
675
676 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
677
678 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
679
680 PR libmudflap/12670
681 * configure.in: Add check for see if
682 socklen_t typedef is in sys/socket.h.
683 * mf-hooks1.c: Add define if socklen_t
684 is not typedef.
685 * mf-hooks2.c: Likewise.
686 * mf-hooks3.c: Likewise.
687 * config.h.in: Regen.
688 * configure: Regen.
689
690 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
691
692 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
693 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
694 optimizations.
695 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
696 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
697 (unoptimized) allocation of stack space.
698
699 2003-12-07 Richard Henderson <rth@redhat.com>
700
701 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
702 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
703
704 2003-12-06 Andrew Pinski <apinski@apple.com>
705
706 partial PR libmudflap/12670
707 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
708 * mf-hooks2.c: Likewise.
709 * mf-hooks3.c: Likewise.
710
711 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
712
713 libstdc++/11696
714 * mf-runtime.h.in: Switch to #pragma redefine_extname for
715 symbols interposed at compile time.
716 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
717
718 libmudflap/12939
719 * mf-hooks2.c (semctl): Tolerate FreeBSD.
720
721 * configure.in: Reorganize check for <pthread.h>.
722 * configure: Regenerated.
723
724 2003-11-04 David Edelsohn <edelsohn@gnu.org>
725
726 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
727 (_LARGE_FILE_API): Define for AIX.
728 * mf-hooks[123]: Same.
729 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
730
731 2003-10-21 David Edelsohn <edelsohn@gnu.org>
732
733 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
734
735 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
736
737 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
738
739 * configure.in: Update check for union semun.
740
741 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
742
743 PR other/11673
744 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
745
746 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
747
748 PR other/11673
749 * configure.in: Add checks for 64-bit LFS functions, struct semun
750 definition, for BSD compatibility.
751 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
752 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
753 * mf-hooks3.c: Ditto.
754 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
755 mmap flag.
756 * configure, config.h.in: Regenerated.
757
758 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
759
760 Multithreading fixes:
761 * mf-runtime.c (__mf_object): Store allocating/deallocating
762 thread id.
763 (options): Support new "-thread-stack" option.
764 Rename "-heur-argv-environ" option to "-heur-stdlib".
765 Disable "-lc-mask" and "-lc-shift" options.
766 (__mf_dynamic): Add function pointers for pthread_join/_exit.
767 (__assert_fail): New self-contained function for glibc.
768 * mf-hooks3.c: Essentially rewritten, particularly related to
769 use of __mf_pthread_info array.
770 (pthread_join, _exit): New hook functions.
771 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
772 * testsuite/libmudflap.cth/pass40-frag.c: New test.
773
774 Warning cleanups:
775 * mf-heuristics.c: Add type casts for tracing, sub calls.
776 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
777 Update all callers to declare explicit result holder.
778 (END_PROTECT): Removed.
779 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
780
781 2003-07-15 Diego Novillo <dnovillo@redhat.com>
782
783 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
784 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
785 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
786
787 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
788
789 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
790 * mf-hooks: Removed.
791 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
792 Move these macros from old mf-hooks.c here.
793 * Makefile.am: Adapt to split-up hook sources for faster builds.
794 * Makefile.in: Regenerated.
795
796 * mf-heuristics.c: Remove #if-0 block.
797
798 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
799 (__mf_starting_p): New state only for use while dlsym bootstrapping.
800 (CALL_REAL, __mf_init): Corresponding changes.
801 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
802 all callers to remove redundant "mf:" prefix.
803 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
804 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
805 (__mf_pthread_info): Become a hash table.
806
807 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
808 "dg-repetitions" directives to control test case execution.
809 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
810 options.
811 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
812
813 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
814
815 * mf-hooks.c (alloca): Separate into stub.
816 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
817 malloc/free for alloca blocks.
818 (pthread_create): Tolerate failing pthread_attr_get* calls.
819 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
820 * mf-impl.h (CALL_WRAP): Remove macro.
821 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
822 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
823 padding for ia64 BIT_FIELD_REF constructs.
824
825 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
826
827 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
828 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
829 libmudflap object type.
830 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
831 crashes on unregistering STATIC objects.
832
833 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
834
835 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
836 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
837 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
838 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
839 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
840 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
841 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
842 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
843 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
844 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
845 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
846 (accept, bind, connect, gethostname, sethostname): New hooks.
847 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
848 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
849 (semop, semctl, shmctl, shmat, shmdt): New hooks.
850 * mf-runtime.h.in: Corresponding changes.
851 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
852 (opts) Rename heur_argv_environ to heur_std_data.
853 (__mf_wrap_main): Use STATIC type for argv/environ strings.
854 * Makefile.am: Corresponding changes.
855 * Makefile.in: Regenerated.
856
857 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
858
859 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
860 heuristic for threaded case, and for non-x86-linux targets.
861 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
862 for use during pre-main() program startup.
863 (__mf_0fn_*): Make these functions non-static.
864 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
865 functions.
866 * mf-runtime.c (__mf_state): Set initial state to "starting".
867 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
868 (__wrap_main): New function to register argv[] and environ[] strings.
869 (__mf_ini): Call it.
870 (*): In all trace functions, use "%p" as formatter for uintptr_t.
871
872 * testsuite/libmudflap.c/pass38-frag.c: New test case.
873 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
874
875 * acinclude.m4: Add comments with aoliva's concerns about x86_64
876 pass_all.
877 * aclocal.m4, configure: Regenerated.
878
879 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
880
881 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
882 * aclocal.m4, configure: Regenerated.
883
884 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
885
886 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
887 for x86_64 target. Disable caching for this value.
888 * aclocal.m4, configure: Regenerated.
889
890 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
891
892 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
893 is about to become deprecated, and its present handling bugs are
894 unworthy of fixing.
895
896 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
897
898 * testsuite/libmudflap.c/pass38-frag.c: New test for
899 -fwritable-strings.
900
901 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
902
903 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
904 __mf_report, asserting reentrant calling context.
905
906 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
907
908 * mf-hooks.c (realloc): Correct reentrancy logic.
909 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
910
911 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
912
913 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
914 PTHREAD_THREADS_MAX. Update users.
915 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
916 for active options.
917 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
918 with libmudflapth presence indicator.
919 * testsuite/Makefile.in: Regenerated.
920
921 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
922
923 * Makefile.am (AM_CFLAGS): Remove "-ansi".
924 * configure.in: Remove silly no-pthreads => no-shared logic.
925 * Makefile.in, configure: Regenerated.
926 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
927 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
928 code. Count reentrancy events.
929 (all hook functions): Don't directly manipulate __mf_state variable.
930 Add TRACE calls to hook functions without them.
931 * mf-impl.h (LOCKTH): Try to count lock contention events.
932 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
933 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
934 Reorganize reentrancy code.
935 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
936 identify reentrancy with mutex holding times.
937 (internal __mfu_ entry points): Remove internal reentrancy code.
938 (__mf_init): Use ordinary locked calls.
939 (__mfu_report): Print the two new counts.
940 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
941 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
942 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
943 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
944 option defaults.
945
946 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
947
948 * configure.in: Add pthread support, plus glibc and porting hacks.
949 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
950 from objects built into ./pth/.
951 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
952 functions for internal entry points. Update callers to pick
953 locked vs. unlocked variants.
954 (__mf_resolve_single_dynamic): Extend to support symbol versioning
955 info coming in from a static data structure.
956 (*): Reorder miscellaneous declarations to group data vs functions.
957 (__mf_set_default_options): Simplify.
958 (__mf_usage): Mention threading status of host executable.
959 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
960 decls to match above.
961 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
962 * mf-heuristics.c: Choose between locked/unlocked calls. Add
963 some lock/unlock markers. Remove some unused code.
964 * mf-hooks: Ditto.
965 (pthread_create): New hook function.
966 (__mf_pthread_cleanup, _spawner): New helper functions.
967 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
968
969 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
970
971 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
972
973 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
974
975 * Makefile.am (HOOKOBJS): Add *time related hooks.
976 * configure.in: Look for pthreads.h header.
977 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
978 * mf-runtime.c: Begin sketching some pthreads support.
979 (__mf_usage): Check for -lpthread presence.
980 (__mf_unregister): Confirm matching unregistration base.
981 (__mf_find_objects_rec): Reduce unnecessary recursion.
982 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
983 #defines for new hook functions.
984 * mf-impl.h: Corresponding changes.
985 * config.h.in, configure, Makefile.in: Regenerated.
986
987 2002-04-27 Diego Novillo <dnovillo@redhat.com>
988
989 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
990 modifiers to prevent being optimized away.
991 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
992 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
993 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
994 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
995 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
996 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
997 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
998
999 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1000
1001 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1002 * configure.in: Look for uintptr_t and -ldl on target.
1003 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1004 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1005 * testsuite/Makefile.in: Regenerated.
1006 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1007 for better C compliance.
1008
1009 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1010
1011 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1012 prevention code.
1013 * mf-runtime.c (__mf_set_default_options): Turn off
1014 check-initialization.
1015 (__mf_describe_object): Shorten description.
1016 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1017
1018 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
1019
1020 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1021
1022 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
1023
1024 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1025 calls specially.
1026 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1027 * mf-impl.h (CALL_BACKUP): New macros.
1028 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1029
1030 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
1031
1032 * Makefile.am (AM_CFLAGS): Remove optimization flags.
1033 (HOOKOBJS): Remove dlopen hook.
1034 (libmudflap_la_LIBADD): Add -ldl.
1035 * mf-hooks.c (dlopen): Remove hook.
1036 * mf-impl.h (__mf_dynamic): Ditto.
1037 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1038 * Makefile.in: Regenerated.
1039
1040 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
1041
1042 * configure.in: Check for target gettimeofday, signal, some headers.
1043 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
1044 out inop multi_threaded field.
1045 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1046 (__mf_set_options): Correct handling of "-help".
1047 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1048 (__mf_check, __mf_register, __mf_unregister): Call it.
1049 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1050 (__mf_report_leaks): Make callable
1051 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
1052 distribution statistics.
1053 (__mf_adapt_cache): Rewrite shift guessing logic based on address
1054 bit distributions.
1055 * config.h.in, configure: Regenerated.
1056 * testsuite/libmudflap.c/fail27-frag.c: New test.
1057 * testsuite/libmudflap.c/pass36-frag.c: New test.
1058
1059 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
1060
1061 * mf-runtime.h.in: Tweak.
1062 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1063 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1064 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1065
1066 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1067
1068 * configure.in: Tweak generation of mf-runtime.h some more. It
1069 needs to work from both config.status and configure.
1070 * configure: Regenerated.
1071
1072 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1073
1074 * Makefile.am: Reorganize hook file building. Add auto dependencies.
1075 * configure.in: Tweak generation of mf-runtime.h.
1076 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1077 * mf-hooks.c (*): Adapt to initialized-heap object type.
1078 * mf-impl.h: Tweak cemetary boundaries.
1079 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1080 type.
1081 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1082 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1083 * testsuite/lib/libmudflap.exp (includes): Include build tree.
1084 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1085 checking.
1086 * testsuite/.../fail{25,26}-frag.c: New tests.
1087 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1088 * Makefile.in, configure: Regenerated.
1089
1090 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1091
1092 * mf-runtime.c (__mf_set_default_options): Turn on initialization
1093 checking by default.
1094 (__mf_insert_new_object): As a temporary hack, assume that new
1095 objects registered on the stack start out initialized.
1096 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1097 heap objects by hand.
1098
1099 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1100
1101 Switch to macro-style hooks for str*/mem*/b* functions.
1102 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1103 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1104 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1105 (__mf_set_default_options): Turn off heur_proc_map.
1106 (*): Adapt to to macro-style hook functions.
1107 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1108 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1109 (__mf_violation): Handle __MF_VIOL_WATCH.
1110 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1111 (__mf_dynamic): Removed mem*/str*/b* functions.
1112 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1113 (WRAPPER2): New macro for macro-style hooks.
1114 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1115 macro-style hooks.
1116 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1117 * mf-heuristics.c: Adapt to macro-style hook functions.
1118 Correct some comments.
1119 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1120 output pattern tests.
1121 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1122 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1123
1124 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1125
1126 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1127 for global array registration.
1128 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1129 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1130
1131 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1132
1133 * Makefile.am: Add gross make bug workarounds. Tweaked
1134 SUBDIRS and AM_CFLAGS.
1135 * Makefile.in: Regenerated.
1136
1137 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1138
1139 Switch to dejagnu.
1140 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1141 * Makefile.am (TESTS): Remove simple automake testing.
1142 * configure, Makefile.in: Regenerated.
1143 (SUBDIRS): Include new testsuite/ directory.
1144 * tests/*: Removed all files; moved bulk under:
1145 * testsuite/*: New subdirectory tree.
1146 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1147 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1148 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1149 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1150 * testsuite/config/default.exp: New file.
1151 * testsuite/Makefile.am, Makefile.in: New files.
1152
1153 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1154
1155 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1156 (TESTS): Add fail22 and pass29 tests.
1157 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1158 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1159 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1160 values. Move __MF_VIOL* here.
1161 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1162 (check_initialization): New field in __mf_opts. Default off.
1163 (read_count,write_count): New fields in __mf_object.
1164 (__mf_check): Implement basic initialization checking.
1165 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1166 (__mf_describe_object): Print new fields.
1167 (__mf_violation): Identify check/read vs. check/write in messages.
1168 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1169 "-check-initialized" mudflap option.
1170 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1171 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1172 Drop __FILE__/__LINE__ hack. Update callers.
1173 (*): Adapt to new mf-runtime.h API.
1174 * Makefile.in: regenerated.
1175
1176 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1177
1178 * configure.in: Build mf-runtime.h a more proper way.
1179 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1180 * mf-runtime.c (verbose_violations): Turn on by default.
1181 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1182 * mf-impl.h: ... and move it here.
1183 * configure: Regenerated.
1184
1185 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1186
1187 * configure.in: Look for C++ compiler.
1188 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1189 fixed type warnings when built with C++.
1190 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1191 * Makefile.am (TESTS): Run them.
1192 (*) Add new rules for building and running C++ tests.
1193 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1194 * mf-runtime.h.in: Protect with extern "C".
1195 * Makefile, configure: Regenerated.
1196
1197 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1198
1199 Portability improvements.
1200 * configure.in: Look for glibc backtrace headers/functions.
1201 * mf-hooks.c: Don't include <execinfo.h> any more.
1202 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1203 via CALL_REAL.
1204 (__mf_backtrace): Provide alternate baby implementation in
1205 absence of glibc.
1206 * test/mf-driver.c: Portability tweaks.
1207 * acinclude.m4: New file, containing top level libtool.m4.
1208 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1209
1210 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1211
1212 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1213
1214 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1215
1216 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1217 options.
1218 (__mf_unregister): Implement stack/heap object wiping.
1219 (__mf_set_options): Renamed from __mf_process_opts.
1220 (__mf_uncache_object): Change arg type, correct callers.
1221 * mf-impl.h: Corresponding changes.
1222 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1223 * mf-runtime.h.in (__mf_set_options): Extend public API.
1224 * test/pass26-frag.c: New test for stack wiping.
1225 * Makefile.am (TESTS): Run it.
1226 * Makefile.in: Regenerated.
1227
1228 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1229
1230 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1231 * mf-runtime.c (__mf_object_t): Add watching_p field.
1232 (__mf_watch_or_not): New function to implement
1233 object watch flagging.
1234 (__mf_watch, __mf_unwatch): New wrappers for above.
1235 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1236 (__mf_count_violation): Enlarge array.
1237 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1238 unlink object. Clear cache properly.
1239 (__mf_unregister): Unlink object explicitly before uncaching.
1240 * test/fail21-frag.c, pass25-frag.c: New tests.
1241 * Makefile.in, aclocal.m4: Regenerated.
1242
1243 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1244
1245 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1246 * Makefile.am (TESTS): Add it.
1247 * test/pass-stratcliff.c: Add decls of stpcpy.
1248 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1249 build tree from config.h and new file mf-runtime.h.in.
1250 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1251 * Makefile.in, configure, config.h.in: Regenerated.
1252 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1253 * mf-runtime.c (options, __mf_set_default_options): Support new
1254 default "abbreviate" option.
1255 (__mf_object.description_epoch): New field.
1256 (__mf_describe_object): Conditionally abbreviate objects already
1257 displayed in current epoch. Accept NULL input to increment epoch.
1258 (__mf_fini, __mf_ini): Reset description epoch.
1259 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1260 that NULL pointer slot in lookup cache is invalidated. Register a
1261 NOACCESS region around NULL.
1262 * mf-impl.h: Corresponding changes.
1263
1264 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1265
1266 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1267 * Makefile.am: Run them. Install mf-runtime.h.
1268 * Makefile.in: Regenerated.
1269 * mf-hooks.c: Add some markers for more missing functions.
1270 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1271 statistic to tune tune cache size (mask).
1272
1273 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1274
1275 * test/pass23-frag.c: New test for bit_field_ref expressions.
1276 * Makefile.am, Makefile.in: Add new test.
1277 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1278 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1279 * mf-runtime.c (__mf_init): Register errno global.
1280 (__mf_find_object): Removed function.
1281 (__mf_check): Rewrite logic to support accesses across some
1282 contiguous but distinctly registered objects.
1283 (__mf_remove_old_object): Tolerate cache entries that span
1284 contiguous objects.
1285
1286 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1287
1288 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1289 * Makefile.am, Makefile.in: Run new tests.
1290 * mf-hooks.c (alloca): Correct stack direction logic.
1291
1292 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1293
1294 * mf-impl.h (adapt_cache): New option.
1295 * mf-runtime.c (__mf_set_default_options): Set its default value.
1296 Tweak the tree_aging parameter down.
1297 (__mf_check): Maintain separate counter for cache-adaptation.
1298 (__mf_tree_analyze): New function to collect object tree stats.
1299 (__mf_adapt_cache): New function to automate cache parameters.
1300
1301 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1302
1303 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1304 hypothetical #if-0'd argv/envp region registration.
1305 * mf-runtime.c (__mf_init): Add kludged form of above.
1306 (*) Add "heur_argv_environ" flag, default on, to govern this.
1307 * mf-impl.h: Corresponding changes.
1308
1309 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1310
1311 * test/fail18-frag.c: New test file for NOACCESS regions.
1312 * Makefile.am (TESTS): Add new test.
1313 * Makefile.in: Regenerated.
1314
1315 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1316 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1317 (optimize_object_tree): Remove unused mudflap_option.
1318 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1319 support throughout. Use .._MAX_CEM for cemetary upper bound.
1320 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1321 regions.
1322 (__mf_object): Add new liveness field for use by tree aging.
1323 (__mf_check): Trigger tree aging when needed.
1324 (__mf_age_tree): New function to decay liveness field.
1325 (__mf_find_objects_rec): Use liveness field to rotate tree.
1326 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1327 (__mf_unregister): Ditto.
1328 (__mf_register): Tweak duplicate-static message.
1329 (__mf_violation: Tweak nearby-object counter printing.
1330
1331 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1332
1333 * test/pass20-frag.c: New test file.
1334 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1335 * Makefile.in: Regenerated.
1336
1337 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1338 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1339 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1340 entries to avoid repeat registration.
1341 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1342 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1343
1344 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1345
1346 * Makefile.am: Create test sources with #include, not cat>>.
1347 * Makefile.in: Regenerated.
1348 * test/buildtest.sh: Removed.
1349 * test/driver.c (abort_handler, main): Be quiet.
1350
1351 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1352
1353 * test/pass18-frag.c, pass19-frag.c: New tests.
1354 * Makefile.am (check): Run them. Rebuild test programs each time.
1355 * Makefile.in: Regenerated.
1356
1357 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1358
1359 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1360 overlapping object search.
1361 (__mf_violation): Likewise for nearby objects.
1362 Improve nearby-object listing.
1363
1364 cleanup:
1365 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1366 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1367
1368 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1369
1370 alloca support:
1371 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1372 (HOOKOBJS): Add alloca-hook.o.
1373 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1374 style.
1375 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1376 (__mf_backtrace): Reimplement without using alloca.
1377 * Makefile.in: Regenerated.
1378
1379 cleanup:
1380 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1381 Correct signedness bugs in length-tracking variables.
1382 * mf-impl.h: Make options unsigned.
1383 (CALL_WRAP): New macro to parallel CALL_REAL().
1384 (DECLARE): Remove erroneous ";" at end.
1385 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1386 formatting specs with %08lx. Correct several compiler warnings.
1387
1388 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1389
1390 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1391
1392 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1393
1394 libmudflap hook breakup:
1395 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1396 for libgcc_s.
1397 (TESTS): Make dependent on libmudflap.
1398 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1399 compiled from segments of mf-hooks.c.
1400 * mf-hooks.c: Corresponding changes: wrap each function in
1401 #ifdef/#endif.
1402 * Makefile.in: Regenerated.
1403
1404 Heuristics reorganization:
1405 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1406 Remove these functions. Update callers.
1407 (__mf_heuristic_check): Incorporate all the various heuristics.
1408 Encode cacheability/retry judgement into trinary return value.
1409 Separate start-end logic into a separate fallback heuristic. Only
1410 register relevant /proc/self/map segments.
1411 * mf-impl.h: Corresponding changes.
1412 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1413 (__mf_init): Don't call __mf_init_heuristics.
1414
1415 Tracing cleanup:
1416 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1417 "-verbose-trace" to emit all tracing messages other than those of
1418 basic public api. Eliminate some duplicate/excessive messages.
1419 * mf-runtime.h: Corresponding changes.
1420
1421 2002-08-27 Graydon Hoare <graydon@redhat.com>
1422
1423 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1424 and __real when compiled with -DPIC.
1425 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1426 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1427 * Makefile.in: Regenerate.
1428
1429 2002-08-26 Graydon Hoare <graydon@redhat.com>
1430
1431 * mf-impl.h: New file, private implementation header.
1432 * mf-runtime.h: Reorganize a bit.
1433 (CLAMPSZ): Fix arithmetic.
1434 (__MF_CACHE_MISS_P): Fix arithmetic.
1435 * mf-runtime.c: Reorganize a bit.
1436 (__mf_dynamic): New structure.
1437 (resolve_single_dynamic): New function.
1438 (__mf_resolve_dynamics): New function.
1439 (__mf_init): Initialize dynamic wrappers.
1440 * mf-hooks.c: Macro-ize __real calls.
1441 Clamp various bits of arithmetic.
1442 Add explicit __mf_check call contexts.
1443 * Makefile.am: Add dependencies on mf-impl.h
1444 * Makefile.in: Regenerate.
1445 * configure.in: Comment out shared override.
1446 * configure: Regenerate.
1447
1448 2002-08-22 Graydon Hoare <graydon@redhat.com>
1449
1450 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1451 (__mf_check): Re-inialize and check heuristics before violation.
1452 (__mf_register): Permit updating pure-guess regions.
1453 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1454 (__wrap_dlopen): New wrapper function.
1455 (__wrap_mmap): New wrapper function.
1456 (__wrap_munmap): New wrapper function.
1457 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1458 which are not stack addresses.
1459 (is_stack_address): New function.
1460 (__mf_init_heuristics): Save and restore state, always initialize with
1461 "starting" state.
1462
1463 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1464
1465 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1466 error. Pass location string.
1467 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1468 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1469 (__mf_process_opts): Apply some sanity checking for lc-mask.
1470 (__mf_check, __mf_violation): Take new location-string argument.
1471 Update callers to pass NULL if necessary.
1472 (__mf_backtrace): New smart backtracer function. Calls replace
1473 several ad-hoc blocks elsewhere.
1474 (__mf_describe_object): Remove bad reentrancy test. Improve
1475 tracing message.
1476 * mf-runtime.h: Corresponding changes. Public/private markup.
1477 (__MF_CACHE_MISS_P): New macro.
1478
1479 2002-08-20 Graydon Hoare <graydon@redhat.com>
1480
1481 * mf-runtime.h: New option: stack_bound (heuristic).
1482 Move some macros out of implementation files.
1483 * mf-runtime.c: New option string: -stack-bound.
1484 Unify recursion protection with hooks.
1485 Add more logging.
1486 (__mf_check): Call __mf_heuristic_check.
1487 (__mf_process_opts): Fix "no-" processing.
1488 * mf-heuristics.c (__mf_heuristic_check): New function.
1489 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1490
1491 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1492
1493 Option parsing improvements, region splitting bug fixes:
1494 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1495 * mf-runtime.h (heur_proc_map): New libmudflap option.
1496 * mf-runtime.c (__mf_set_default_options): Set it.
1497 (__mf_usage): Print default values/status.
1498 (__mf_process_opts): Support general "no-" option string prefix.
1499 (__mf_init): Print __mf_usage on unknown-option error.
1500 (__mf_register): Print trace message up front.
1501 Correct region splitting logic for case where a subregion disappears.
1502 Correct memory leak.
1503 (__mf_violation): Make even basic message conditional on option.
1504
1505 Build cleanup:
1506 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1507 (clean-local): New target.
1508 (test/*x rules): Add -g CFLAGS.
1509 (CFLAGS): Add -freorder-blocks.
1510 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1511 * Makefile.in: Regenerated.
1512 * Makefile, mf-config.h: Removed files.
1513
1514 2002-08-16 Graydon Hoare <graydon@redhat.com>
1515
1516 * mf-runtime.c (__mf_insert_new_object): Factor out of
1517 __mf_register.
1518 (__mf_remove_old_object): Factor out of __mf_unregister.
1519 (__mf_register): Handle guessed regions, splitting
1520 guesses when new registrations arrive.
1521 (__mf_unregister): Do not unregister guesses.
1522 * mf-runtime.h: Move convenience macros around,
1523 declare new option fields. Add __MF_TYPE_GUESS.
1524 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1525 (__wrap_free): Call __real_free for deferred frees.
1526 * Makefile.am: Add more tests, fix dependency.
1527 * Makefile.in: Regenerate.
1528 * test/pass[13..17]-frag.c: New testcases.
1529 * test/fail[13..17]-frag.c: New testcases.
1530
1531 2002-08-15 Graydon Hoare <graydon@redhat.com>
1532
1533 * mf-heuristics.c: New file.
1534 * mf-runtime.c (options): Add -trace-calls option.
1535 (__mf_init): Call __mf_init_heuristics.
1536
1537 2002-08-14 Graydon Hoare <graydon@redhat.com>
1538
1539 * Makefile.am (TESTS): Add testsuite support.
1540 * Makefile.in: Regenerate.
1541 * test/mf-driver.c: New file.
1542 * test/buildtest.sh: New file.
1543 * test/passNN-frag.c: New testcases.
1544 * test/failNN-frag.c: New testcases.
1545
1546 2002-08-14 Graydon Hoare <graydon@redhat.com>
1547
1548 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1549 verifying non-size-limited string extents.
1550
1551 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1552
1553 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1554 instead of plain str[n]len for internal checks.
1555 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1556
1557 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1558
1559 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1560
1561 2002-08-13 Graydon Hoare <graydon@redhat.com>
1562
1563 * mf-runtime.c: Rework configuration to operate on
1564 environment variable options rather than #defines
1565 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1566 (__mf_init): Set static __mf_active_p flag on startup,
1567 to inhibit mudflap wrap-based checking during crt0.s.
1568 * mf-runtime.h: Declare options structure.
1569 * mf-hooks.c: New wrappings for mem*, b*, str*
1570 libc functions (temporarily #if 0-ed out).
1571
1572 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1573
1574 * Makefile.am, configure.in: New files.
1575 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1576 * stamp-h.in, aclocal.m4: Ditto.
1577
1578 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1579
1580 * Makefile: New file.
1581 * mf-config.h: New file: runtime configuration.
1582 * mf-hooks.c: New file: interposed libc functions.
1583 * mf-runtime.c: New file: bulk of runtime.
1584 * mf-runtime.h: New file: public functions.