[multiple changes]
[gcc.git] / libmudflap / ChangeLog
1 2007-02-07 Jakub Jelinek <jakub@redhat.com>
2
3 PR libgomp/28468
4 * configure: Regenerate.
5
6 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7
8 * configure: Regenerate.
9
10 2006-11-13 Daniel Jacobowitz <dan@codesourcery.com>
11
12 * configure: Regenerated.
13
14 2006-11-10 Frank Ch. Eigler <fche@redhat.com>
15
16 PR libmudflap/28578
17 * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
18 static but not function scope static.
19 (free): Skip deallocation attempts for objects placed into
20 bootstrap buffers.
21 * testsuite/libmudflap.cth/pass59-frag.c: New test.
22
23 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
24
25 From Herman ten Brugge <hermantenbrugge@home.nl>:
26 * mf-runtime.c (__mf_uncache_object): Optimize the code so that
27 small and large objects are handled a lot faster.
28
29 2006-11-06 Frank Ch. Eigler <fche@redhat.com>
30
31 * configure.ac (__libc_freeres): Look for it.
32 * mf-impl.h (call_libc_freeres): New configuration flag.
33 * mf-runtime.c (__mf_set_default_options): Set it by default.
34 (__mfu_report): Call it if needed.
35 (__mfu_unregister): Remove "unaccessed registered object" warning.
36 * configure, config.h.in: Regenerated.
37
38 2006-09-18 Tom Tromey <tromey@redhat.com>
39
40 * configure: Rebuilt.
41
42 2006-06-21 Frank Ch. Eigler <fche@redhat.com>
43
44 PR 21274
45 mf-runtime.h installation based on ssp patch for PR 26473 from
46 Mark Mitchell <mark@codesourcery.com>.
47 * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
48 * Makefile.am (target_noncanonical): Define.
49 (libsubincludedir): New variable.
50 (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
51 (include_HEADERS): Remove.
52 * configure, aclocal.m4, config.h.in: Regenerated.
53 * Makefile.in, testsuite/Makefile.in: Likewise.
54 * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
55 and _THREAD_SAFE redefinition values.
56
57 2006-05-23 Carlos O'Donell <carlos@codesourcery.com>
58
59 * Makefile.am: Add install-html target. Add install-html to .PHONY
60 * Makefile.in: Regenerate.
61
62 2006-04-19 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
63
64 PR mudflap/26789
65 * testsuite/libmudflap.c++/error1-frag.cxx: New test.
66
67 PR mudflap/26790
68 * testsuite/libmudflap.c++/error2-frag.cxx: New test.
69
70 2006-04-10 Matthias Klose <doko@debian.org>
71
72 * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
73 directory names containing underscores.
74
75 2005-11-22 Janis Johnson <janis187@us.ibm.com>
76
77 * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
78 MUDFLAP_FLAGS if static library not supported.
79 * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
80 * testsuite/libmudflap.c/externs.exp: Ditto.
81 * testsuite/libmudflap.c++/ctors.exp: Ditto.
82 * testsuite/libmudflap.c++/c++frags.exp: Ditto.
83 * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
84
85 2005-10-04 James E Wilson <wilson@specifix.com>
86
87 * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
88 $name as array of characters with unknown bound. Also store into the
89 array.
90 * configure: Regenerate.
91
92 2005-09-30 James E. Wilson <wilson@specifix.com>
93
94 * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
95 AC_CHECK_HEADER.
96 (target_thread_file): New. Set from sed'ed gcc output.
97 (posix_threads): New. Set from target_thread_file. Use instead of
98 ac_have_pthread_h.
99 (pthread_create_version): Move initialization before code using it.
100 * configure: Regenerate.
101
102 * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
103 bounds.
104
105 2005-09-29 James E. Wilson <wilson@specifix.com>
106
107 * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
108 with HAVE_MMAP ifdef.
109
110 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
111
112 PR 23084.
113 * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
114
115 2005-09-23 Frank Ch. Eigler <fche@elastic.org>
116
117 * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
118
119 2005-09-23 Tom Tromey <tromey@redhat.com>
120
121 * aclocal.m4, configure: Rebuilt.
122 * configure.ac: Use GCC_CHECK_TLS.
123 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
124 to ../config.
125
126 2005-08-22 Jim Wilson <wilson@specifix.com>
127
128 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
129 __FreeBSD__ is defined.
130
131 2005-08-17 Jim Wilson <wilson@specifix.com>
132
133 * mf-hooks1.c (malloc, calloc, realloc, free,
134 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
135 the real routines, and END_MALLOC_PROTECT afterwards.
136 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc.
137 (BEGIN_PROTECT): Handle in_malloc state.
138 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
139 * testsuite/libmudflap.c/hook2-allocstuff.c: New.
140
141 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
142
143 * All files: Update FSF address.
144
145 2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
146
147 * mf-hooks3.c (main_seen_p): Remove.
148 (__mf_get_state): Remove attempt to recognize the main thread.
149
150 2005-08-15 Maciej W. Rozycki <macro@linux-mips.org>
151
152 * configure.ac: Test for the name of the symbol used for the entry
153 point; define ENTRY_POINT to the result.
154 * configure: Regenerate.
155 * config.h.in: Regenerate.
156 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
157
158 2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
159
160 * mf-runtime.c (__mf_state_1): Initialize to reentrant.
161 (__mf_init): Set thread state active.
162 * mf-hooks3.c (__mf_pthread_spawner): Always set thread
163 state active.
164 (pthread_create wrapper): Always use thread spawner.
165
166 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
167 * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
168
169 2005-07-16 Richard Henderson <rth@redhat.com>
170
171 * acinclude.m4: New file.
172 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
173 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
174 * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
175 (__mf_0fn_calloc): ... here.
176 * mf-hooks3.c (struct pthread_info): Remove.
177 (__mf_pthread_info, __mf_pthread_info_idx): Remove.
178 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
179 (struct mf_thread_data): New.
180 (mf_thread_data, mf_thread_data_lock): New.
181 (__mf_allocate_blank_threadinfo): Remove.
182 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is
183 not available.
184 (__mf_state_perthread): Remove.
185 (__mf_get_state, __mf_set_state): New.
186 (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
187 Update mf_thread_data killing procedure.
188 (__mf_pthread_spawner): Similarly.
189 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove
190 code to allocate thread stack space.
191 (__mf_0fn_pthread_join, pthread_join): Remove.
192 (__mf_0fn_pthread_exit, pthread_exit): Remove.
193 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
194 (__mf_state_1): Rename from __mf_state; use TLS when available.
195 (__mf_get_state, __mf_set_state): New. Update all users.
196 * mf-runtime.c (begin_recursion_protect1): New.
197 (BEGIN_RECURSION_PROTECT): Use it.
198 (__mf_state_1): Rename from __mf_state; use TLS when available.
199 (threads_active_p): Remove.
200 (__mf_usage): Compute it directly.
201
202 2005-06-19 Ulrich Weigand <uweigand@de.ibm.com>
203
204 * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
205
206 2005-06-15 Frank Ch. Eigler <fche@redhat.com>
207
208 Fix for uncaching bug reported by Herman ten Brugge.
209 * mf-runtime.c (__mf_uncache_object): Search whole cache.
210 * testsuite/libmudflap.c/fail40-frag.c: New test.
211
212 2005-05-23 Alfred M. Szmidt <ams@gnu.org>
213
214 PR libmudflap/21724
215 * Makefile.am (AM_MAKEFLAGS): Pass includedir.
216 * Makefile.in: Amend.
217
218 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
219
220 PR mudflap/21023
221 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
222 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
223
224 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
225
226 PR libmudflap/21094
227 * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
228
229 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
230
231 PR mudflap/22064
232 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
233 unsigned vars with #defines instead of enums.
234
235 2005-05-09 Mike Stump <mrs@apple.com>
236
237 * configure: Regenerate.
238
239 2005-04-12 Mike Stump <mrs@apple.com>
240
241 * configure: Regenerate.
242
243 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
244
245 PR mudflap/19266
246 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
247 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
248
249 2005-04-04 Alan Modra <amodra@bigpond.net.au>
250
251 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
252
253 2005-03-31 Mike Stump <mrs@apple.com>
254
255 * mf-runtime.h: Add libmudflap copyright clause.
256
257 2005-03-21 Mike Stump <mrs@apple.com>
258
259 * mf-heuristics.c: Fix whitespace at end of line.
260 * mf-hooks1.c: Likewise.
261 * mf-hooks2.c: Likewise.
262 * mf-hooks3.c: Likewise.
263 * mf-impl.h: Likewise.
264 * mf-runtime.c: Likewise.
265 * mf-runtime.h: Likewise.
266
267 2005-03-21 Zack Weinberg <zack@codesourcery.com>
268
269 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
270 In all substitutions, expand gcc_version in Makefile.
271 * aclocal.m4, configure: Regenerate.
272 * Makefile.am: Set gcc_version.
273 * Makefile.in, testsuite/Makefile.in: Regenerate.
274
275 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
276
277 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
278 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
279
280 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
281
282 PR mudflap/19319
283 * testsuite/libmudflap.c++/pass55-frag.c: New test.
284
285 2005-01-05 Richard Henderson <rth@redhat.com>
286
287 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
288
289 2005-01-02 Greg McGary <greg@mcgary.org>
290
291 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
292 * mf-runtime.h: New file, replaces mf-runtime.h.in.
293 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
294 * Makefile.in: Ditto.
295 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
296 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
297 * testsuite/libmudflap.c/fail36-frag.c: New test.
298 * testsuite/libmudflap.c/fail37-frag.c: New test.
299 * testsuite/libmudflap.c/fail38-frag.c: New test.
300
301 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
302
303 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
304 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
305
306 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
307
308 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
309 * aclocal.m4: Include ../config/gcc-version.m4.
310 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
311
312 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
313
314 * Makefile.am: Define ACLOCAL_AMFLAGS.
315 * acinclude.m4: Remove.
316 * stamp-h.in: Remove superfluous stamp file.
317 * aclocal.m4, configure, Makefile.in: Regenerate.
318 * testsuite/Makefile.in: Likewise.
319
320 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
321
322 * Makefile.am: Revert previous.
323 * acinclude.m4: Restore.
324 * aclocal.m4, configure, Makefile.in: Regenerate.
325 * testsuite/Makefile.in: Likewise.
326
327 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
328
329 * Makefile.am: Define ACLOCAL_AMFLAGS.
330 * acinclude.m4: Remove.
331 * aclocal.m4, configure, Makefile.in: Regenerate.
332 * testsuite/Makefile.in: Likewise.
333
334 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
335
336 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
337
338 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
339
340 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
341 * testsuite/Makefile.in: Likewise.
342
343 2004-11-01 Andreas Schwab <schwab@suse.de>
344
345 * configure.ac: (target_alias): Default to $host_alias, not
346 $target.
347 * configure: Regenerated.
348
349 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
350
351 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
352 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
353 message.
354
355 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
356
357 PR other/18138
358 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
359
360 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
361
362 * configure.ac: Check for more headers, functions.
363 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
364 tracking overridden FILE buffers.
365 (fopen, setvbuf): New/revised hook functions for buffer overriding.
366 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
367 (fflush): Accept given NULL stream (means "all streams").
368 * mf-runtime.h.in:
369 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
370 HEAP/GUESS objects.
371 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
372 (__mf_adapt_cache): Use them all.
373 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
374 * testsuite/libmudflap.c++/ctors.exp: Ditto.
375 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
376 * configure, config.h.in: Regenerated.
377
378 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
379
380 * configure.ac: Checking for sys/socket.h once is enough.
381 * configure: Regenerated.
382
383 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
384
385 * configure.ac: Look for more headers & functions.
386 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
387 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
388 * mf-runtime.c (options): Clean up integer signedness warnings.
389 (main): Add a declaration to fix a warning.
390 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
391 * configure, config.h.in: Regenerated.
392
393 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
394
395 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
396 New tests for proper base/limit checking for aggregates.
397
398 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
399
400 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
401
402 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
403
404 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
405 * mf-hooks2.c (strerror): Unregister previous string returned by
406 previous strerror.
407 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
408 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
409 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
410 * mf-runtime.c (__mf_describe_object): Clarify object life status.
411 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
412 New tests.
413 * configure, config.h.in: Regenerated.
414
415 2004-08-03 Dale Johannesen <dalej@apple.com>
416
417 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
418
419 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
420
421 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
422 simplified contents in all former callers.
423
424 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
425
426 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
427 the statically linked case.
428
429 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
430
431 * splay-tree.[ch]: Remove. Merge contents into ...
432 * mf-runtime.c: ... here, renaming symbols and making all functions
433 static. Remove unused min/max functions.
434 * Makefile.am: Forget about splay-tree.[ch].
435 * Makefile.in, testsuite/Makefile.in: Regenerated.
436
437 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
438
439 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
440 (__mfu_usage): Include (C) 2004.
441 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
442 here. Include a comment explaining why.
443
444 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
445
446 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
447 * mf-runtime.c (options): Give them a name.
448 (__mf_set_default_options): Set them.
449 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
450 (__mf_violation): Warning cleanup.
451 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
452 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
453
454 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
455
456 g++/15861
457 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
458 repeated invocation.
459
460 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
461
462 Test case for g++/15861
463 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
464 * testsuite/libmudflap.c++/ctors.exp: Driver.
465 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
466 Look only for *frag* test cases.
467
468 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
469
470 ANSI C conversion, libmudflap specialization, recursion limiting.
471 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
472 argument and indirection function pointers, update callers.
473 (splay_tree_s): Add statistics and recursion control fields
474 num_keys, max_depth, depth, rebalance_p.
475 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
476 Back out of search if it exceeds limit.
477 (splay_tree_splay): Manage recursion limiting with rebalancing as
478 needed.
479 (splay_tree_new): More initialization.
480 (splay_tree_rebalance): New function.
481 (splay_tree_foreach): Rewrite using nonrecursive logic.
482 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
483 Remove. Point indirect calls to mf-runtime.c's routines.
484 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
485 functions.
486 (splay_tree_delete, splay_tree_delete_helper): Ditto.
487 * testsuite/heap-scalestress.c: New test based on one from
488 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
489
490 2004-07-05 Matthias Klose <doko@debian.org>
491
492 * libtool-version: New.
493 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
494 Use -version-info for soname.
495 * Makefile.in: Regenerate.
496 * configure.ac: Remove libtool_VERSION macro
497 * configure: Regenerate
498
499 2004-07-05 Zack Weinberg <zack@codesourcery.com>
500
501 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
502 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
503 #ifndef _MUDFLAP.
504
505 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
506
507 Splay tree implementation fork.
508 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
509 Use hard-coded comparison function for uintptr_t. Remove key/value
510 deallocation logic. Cache last splayed key for consecutive lookups.
511 * Makefile.am, Makefile.in: Use them, don't link to them.
512 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
513 (__mf_find_objects2): Flip successor/predecessor search sequence.
514 * ansidecl.h, libiberty.h: Removed dummy files.
515
516 2004-06-29 Nick Clifton <nickc@redhat.com>
517
518 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
519 * configure: Regenerate.
520 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
521 HAVE_DIRENT_H.
522 Remove spurious inclusion of <strings.h>.
523
524 2004-06-29 Nick Clifton <nickc@redhat.com>
525
526 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
527 function actually exists.
528
529 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
530
531 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
532 * config.h.in: Regenerated.
533
534 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
535
536 Adopt splay trees for object database.
537 * Makefile.am: Copy splay-tree.* from libiberty.
538 * Makefile.in, testsuite/Makefile.in: Regenerated.
539 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
540 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
541 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
542 * mf-runtime.c: Rewrite code dealing with object database to use
543 libiberty splay trees. Remove tree liveness aging option.
544 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
545
546 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
547
548 * configure.ac: New name of configure.in. Update
549 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
550 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
551 Autoconf 2.5x and Automake 1.7 or later.
552 * configure.in: Remove.
553 * configure: Regenerate.
554
555 * Makefile.am: Remove useless multilib rules.
556 * Makefile.in: Regenerate.
557
558 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
559
560 * .cvsignore: New file.
561
562 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
563
564 PR libmudflap/13505
565 * mf-hooks2.c (semctl): Add cygwin porting hack.
566
567 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
568
569 ctype support.
570 * configure.in: Look for ctype header and glibc implementation.
571 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
572 array hooks for glibc 2.3.
573 * mf-runtime.h.in: Wrap them.
574 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
575 implementations.
576 * testsuite/libmudflap.c/pass47-frag.c: New test.
577 * configure, config.h.in: Regenerated.
578
579 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
580
581 Portability improvements, e.g., libmudflap/15293.
582 * configure.in: Look for glibc extension functions. Look for
583 support of -f{function,data}-sections. Look for more headers.
584 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
585 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
586 mf-hooks* into usual single object per source.
587 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
588 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
589 if system doesn't provide one.
590 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
591 (pthread_create): Use it to properly GC dead thread stacks.
592 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
593 * testsuite/Makefile.am: Stop generating site.exp.
594 * testsuite/mfconfig.exp.in: New file.
595 * testsuite/config/default.exp: Load new mfconfig.exp.
596 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
597 (prune_gcc_output): Add glibc static linking warnings.
598 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
599 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
600 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
601 Regenerated with autoconf 2.57 and automake 1.7.
602
603 2004-06-04 Per Bothner <per@bothner.com>
604
605 * configure.in (LIBMUDFLAPTH): Fix thinko.
606
607 * configure.in: Check for more headers.
608 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
609
610 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
611 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
612
613 2004-06-01 Andreas Jaeger <aj@suse.de>
614
615 * configure.in: Handle multilibs, support
616 --enable-version-specific-runtime-libs.
617 * Makefile.am (lib_LTLIBRARIES): Rename to ...
618 (toolexeclib_LTLIBRARIES): this for multilib support.
619 * Makefile.in: Regenerated.
620 * configure: Regenerated.
621 * aclocal.m4: Regenerated.
622 * config.h.in: Regenerated.
623 * testsuite/Makefile.in: Regenerated.
624
625 2004-06-01 Andreas Jaeger <aj@suse.de>
626
627 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
628 multilibs, using multilib directory instead of hardcoded path.
629 Set LD_RUN_PATH.
630
631 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
632
633 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
634 * Makefile.in: Ditto.
635
636 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
637
638 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
639 * aclocal.m4, configure: Rebuilt.
640
641 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
642
643 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
644 import some build settings from libstdc++-v3 testsuite_flags.
645 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
646 changes to pass test language.
647
648 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
649 quicker mode-nop handling.
650
651 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
652
653 * mf-impl.h: Added libgcc license header.
654
655 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
656
657 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
658 Added libgcc license header.
659 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
660 (pthread_create): Simplify stack allocation syntax.
661
662 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
663
664 * mf-hooks2.c: Support FreeBSD.
665 (WRAP_gets): Avoid gets().
666 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
667 test unimplemented mem/str calls on FreeBSD.
668 * testsuite/libmudflap.c/pass21-frag.c: Do not include
669 <alloca.h> on FreeBSD.
670
671 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
672
673 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
674 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
675 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
676 flags for static linking permutation.
677 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
678 some pthreads code that croaks on linux glibc tls.
679
680 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
681
682 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
683
684 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
685
686 * testsuite/libmudflap.c/pass44-frag.c: New test.
687
688 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
689
690 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
691
692 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
693
694 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
695
696 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
697
698 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
699
700 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
701
702 PR libmudflap/12670
703 * configure.in: Add check for see if
704 socklen_t typedef is in sys/socket.h.
705 * mf-hooks1.c: Add define if socklen_t
706 is not typedef.
707 * mf-hooks2.c: Likewise.
708 * mf-hooks3.c: Likewise.
709 * config.h.in: Regen.
710 * configure: Regen.
711
712 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
713
714 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
715 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
716 optimizations.
717 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
718 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
719 (unoptimized) allocation of stack space.
720
721 2003-12-07 Richard Henderson <rth@redhat.com>
722
723 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
724 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
725
726 2003-12-06 Andrew Pinski <apinski@apple.com>
727
728 partial PR libmudflap/12670
729 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
730 * mf-hooks2.c: Likewise.
731 * mf-hooks3.c: Likewise.
732
733 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
734
735 libstdc++/11696
736 * mf-runtime.h.in: Switch to #pragma redefine_extname for
737 symbols interposed at compile time.
738 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
739
740 libmudflap/12939
741 * mf-hooks2.c (semctl): Tolerate FreeBSD.
742
743 * configure.in: Reorganize check for <pthread.h>.
744 * configure: Regenerated.
745
746 2003-11-04 David Edelsohn <edelsohn@gnu.org>
747
748 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
749 (_LARGE_FILE_API): Define for AIX.
750 * mf-hooks[123]: Same.
751 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
752
753 2003-10-21 David Edelsohn <edelsohn@gnu.org>
754
755 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
756
757 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
758
759 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
760
761 * configure.in: Update check for union semun.
762
763 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
764
765 PR other/11673
766 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
767
768 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
769
770 PR other/11673
771 * configure.in: Add checks for 64-bit LFS functions, struct semun
772 definition, for BSD compatibility.
773 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
774 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
775 * mf-hooks3.c: Ditto.
776 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
777 mmap flag.
778 * configure, config.h.in: Regenerated.
779
780 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
781
782 Multithreading fixes:
783 * mf-runtime.c (__mf_object): Store allocating/deallocating
784 thread id.
785 (options): Support new "-thread-stack" option.
786 Rename "-heur-argv-environ" option to "-heur-stdlib".
787 Disable "-lc-mask" and "-lc-shift" options.
788 (__mf_dynamic): Add function pointers for pthread_join/_exit.
789 (__assert_fail): New self-contained function for glibc.
790 * mf-hooks3.c: Essentially rewritten, particularly related to
791 use of __mf_pthread_info array.
792 (pthread_join, _exit): New hook functions.
793 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
794 * testsuite/libmudflap.cth/pass40-frag.c: New test.
795
796 Warning cleanups:
797 * mf-heuristics.c: Add type casts for tracing, sub calls.
798 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
799 Update all callers to declare explicit result holder.
800 (END_PROTECT): Removed.
801 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
802
803 2003-07-15 Diego Novillo <dnovillo@redhat.com>
804
805 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
806 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
807 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
808
809 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
810
811 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
812 * mf-hooks: Removed.
813 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
814 Move these macros from old mf-hooks.c here.
815 * Makefile.am: Adapt to split-up hook sources for faster builds.
816 * Makefile.in: Regenerated.
817
818 * mf-heuristics.c: Remove #if-0 block.
819
820 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
821 (__mf_starting_p): New state only for use while dlsym bootstrapping.
822 (CALL_REAL, __mf_init): Corresponding changes.
823 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
824 all callers to remove redundant "mf:" prefix.
825 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
826 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
827 (__mf_pthread_info): Become a hash table.
828
829 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
830 "dg-repetitions" directives to control test case execution.
831 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
832 options.
833 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
834
835 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
836
837 * mf-hooks.c (alloca): Separate into stub.
838 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
839 malloc/free for alloca blocks.
840 (pthread_create): Tolerate failing pthread_attr_get* calls.
841 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
842 * mf-impl.h (CALL_WRAP): Remove macro.
843 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
844 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
845 padding for ia64 BIT_FIELD_REF constructs.
846
847 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
848
849 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
850 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
851 libmudflap object type.
852 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
853 crashes on unregistering STATIC objects.
854
855 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
856
857 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
858 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
859 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
860 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
861 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
862 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
863 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
864 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
865 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
866 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
867 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
868 (accept, bind, connect, gethostname, sethostname): New hooks.
869 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
870 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
871 (semop, semctl, shmctl, shmat, shmdt): New hooks.
872 * mf-runtime.h.in: Corresponding changes.
873 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
874 (opts) Rename heur_argv_environ to heur_std_data.
875 (__mf_wrap_main): Use STATIC type for argv/environ strings.
876 * Makefile.am: Corresponding changes.
877 * Makefile.in: Regenerated.
878
879 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
880
881 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
882 heuristic for threaded case, and for non-x86-linux targets.
883 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
884 for use during pre-main() program startup.
885 (__mf_0fn_*): Make these functions non-static.
886 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
887 functions.
888 * mf-runtime.c (__mf_state): Set initial state to "starting".
889 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
890 (__wrap_main): New function to register argv[] and environ[] strings.
891 (__mf_ini): Call it.
892 (*): In all trace functions, use "%p" as formatter for uintptr_t.
893
894 * testsuite/libmudflap.c/pass38-frag.c: New test case.
895 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
896
897 * acinclude.m4: Add comments with aoliva's concerns about x86_64
898 pass_all.
899 * aclocal.m4, configure: Regenerated.
900
901 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
902
903 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
904 * aclocal.m4, configure: Regenerated.
905
906 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
907
908 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
909 for x86_64 target. Disable caching for this value.
910 * aclocal.m4, configure: Regenerated.
911
912 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
913
914 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
915 is about to become deprecated, and its present handling bugs are
916 unworthy of fixing.
917
918 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
919
920 * testsuite/libmudflap.c/pass38-frag.c: New test for
921 -fwritable-strings.
922
923 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
924
925 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
926 __mf_report, asserting reentrant calling context.
927
928 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
929
930 * mf-hooks.c (realloc): Correct reentrancy logic.
931 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
932
933 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
934
935 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
936 PTHREAD_THREADS_MAX. Update users.
937 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
938 for active options.
939 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
940 with libmudflapth presence indicator.
941 * testsuite/Makefile.in: Regenerated.
942
943 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
944
945 * Makefile.am (AM_CFLAGS): Remove "-ansi".
946 * configure.in: Remove silly no-pthreads => no-shared logic.
947 * Makefile.in, configure: Regenerated.
948 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
949 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
950 code. Count reentrancy events.
951 (all hook functions): Don't directly manipulate __mf_state variable.
952 Add TRACE calls to hook functions without them.
953 * mf-impl.h (LOCKTH): Try to count lock contention events.
954 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
955 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
956 Reorganize reentrancy code.
957 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
958 identify reentrancy with mutex holding times.
959 (internal __mfu_ entry points): Remove internal reentrancy code.
960 (__mf_init): Use ordinary locked calls.
961 (__mfu_report): Print the two new counts.
962 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
963 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
964 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
965 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
966 option defaults.
967
968 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
969
970 * configure.in: Add pthread support, plus glibc and porting hacks.
971 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
972 from objects built into ./pth/.
973 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
974 functions for internal entry points. Update callers to pick
975 locked vs. unlocked variants.
976 (__mf_resolve_single_dynamic): Extend to support symbol versioning
977 info coming in from a static data structure.
978 (*): Reorder miscellaneous declarations to group data vs functions.
979 (__mf_set_default_options): Simplify.
980 (__mf_usage): Mention threading status of host executable.
981 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
982 decls to match above.
983 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
984 * mf-heuristics.c: Choose between locked/unlocked calls. Add
985 some lock/unlock markers. Remove some unused code.
986 * mf-hooks: Ditto.
987 (pthread_create): New hook function.
988 (__mf_pthread_cleanup, _spawner): New helper functions.
989 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
990
991 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
992
993 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
994
995 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
996
997 * Makefile.am (HOOKOBJS): Add *time related hooks.
998 * configure.in: Look for pthreads.h header.
999 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
1000 * mf-runtime.c: Begin sketching some pthreads support.
1001 (__mf_usage): Check for -lpthread presence.
1002 (__mf_unregister): Confirm matching unregistration base.
1003 (__mf_find_objects_rec): Reduce unnecessary recursion.
1004 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
1005 #defines for new hook functions.
1006 * mf-impl.h: Corresponding changes.
1007 * config.h.in, configure, Makefile.in: Regenerated.
1008
1009 2002-04-27 Diego Novillo <dnovillo@redhat.com>
1010
1011 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
1012 modifiers to prevent being optimized away.
1013 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
1014 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1015 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
1016 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1017 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
1018 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
1019 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
1020
1021 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1022
1023 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1024 * configure.in: Look for uintptr_t and -ldl on target.
1025 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1026 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1027 * testsuite/Makefile.in: Regenerated.
1028 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1029 for better C compliance.
1030
1031 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
1032
1033 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1034 prevention code.
1035 * mf-runtime.c (__mf_set_default_options): Turn off
1036 check-initialization.
1037 (__mf_describe_object): Shorten description.
1038 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1039
1040 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
1041
1042 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1043
1044 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
1045
1046 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1047 calls specially.
1048 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1049 * mf-impl.h (CALL_BACKUP): New macros.
1050 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1051
1052 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
1053
1054 * Makefile.am (AM_CFLAGS): Remove optimization flags.
1055 (HOOKOBJS): Remove dlopen hook.
1056 (libmudflap_la_LIBADD): Add -ldl.
1057 * mf-hooks.c (dlopen): Remove hook.
1058 * mf-impl.h (__mf_dynamic): Ditto.
1059 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1060 * Makefile.in: Regenerated.
1061
1062 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
1063
1064 * configure.in: Check for target gettimeofday, signal, some headers.
1065 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
1066 out inop multi_threaded field.
1067 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1068 (__mf_set_options): Correct handling of "-help".
1069 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1070 (__mf_check, __mf_register, __mf_unregister): Call it.
1071 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1072 (__mf_report_leaks): Make callable
1073 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
1074 distribution statistics.
1075 (__mf_adapt_cache): Rewrite shift guessing logic based on address
1076 bit distributions.
1077 * config.h.in, configure: Regenerated.
1078 * testsuite/libmudflap.c/fail27-frag.c: New test.
1079 * testsuite/libmudflap.c/pass36-frag.c: New test.
1080
1081 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
1082
1083 * mf-runtime.h.in: Tweak.
1084 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1085 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1086 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1087
1088 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1089
1090 * configure.in: Tweak generation of mf-runtime.h some more. It
1091 needs to work from both config.status and configure.
1092 * configure: Regenerated.
1093
1094 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
1095
1096 * Makefile.am: Reorganize hook file building. Add auto dependencies.
1097 * configure.in: Tweak generation of mf-runtime.h.
1098 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1099 * mf-hooks.c (*): Adapt to initialized-heap object type.
1100 * mf-impl.h: Tweak cemetary boundaries.
1101 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1102 type.
1103 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1104 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1105 * testsuite/lib/libmudflap.exp (includes): Include build tree.
1106 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1107 checking.
1108 * testsuite/.../fail{25,26}-frag.c: New tests.
1109 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1110 * Makefile.in, configure: Regenerated.
1111
1112 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1113
1114 * mf-runtime.c (__mf_set_default_options): Turn on initialization
1115 checking by default.
1116 (__mf_insert_new_object): As a temporary hack, assume that new
1117 objects registered on the stack start out initialized.
1118 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1119 heap objects by hand.
1120
1121 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
1122
1123 Switch to macro-style hooks for str*/mem*/b* functions.
1124 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1125 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1126 * mf-runtime.c: #include config.h to enable glibc backtraces again.
1127 (__mf_set_default_options): Turn off heur_proc_map.
1128 (*): Adapt to to macro-style hook functions.
1129 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1130 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1131 (__mf_violation): Handle __MF_VIOL_WATCH.
1132 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1133 (__mf_dynamic): Removed mem*/str*/b* functions.
1134 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1135 (WRAPPER2): New macro for macro-style hooks.
1136 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1137 macro-style hooks.
1138 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1139 * mf-heuristics.c: Adapt to macro-style hook functions.
1140 Correct some comments.
1141 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1142 output pattern tests.
1143 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1144 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1145
1146 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
1147
1148 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1149 for global array registration.
1150 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1151 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1152
1153 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
1154
1155 * Makefile.am: Add gross make bug workarounds. Tweaked
1156 SUBDIRS and AM_CFLAGS.
1157 * Makefile.in: Regenerated.
1158
1159 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
1160
1161 Switch to dejagnu.
1162 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1163 * Makefile.am (TESTS): Remove simple automake testing.
1164 * configure, Makefile.in: Regenerated.
1165 (SUBDIRS): Include new testsuite/ directory.
1166 * tests/*: Removed all files; moved bulk under:
1167 * testsuite/*: New subdirectory tree.
1168 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1169 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1170 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1171 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1172 * testsuite/config/default.exp: New file.
1173 * testsuite/Makefile.am, Makefile.in: New files.
1174
1175 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
1176
1177 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1178 (TESTS): Add fail22 and pass29 tests.
1179 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1180 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
1181 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
1182 values. Move __MF_VIOL* here.
1183 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1184 (check_initialization): New field in __mf_opts. Default off.
1185 (read_count,write_count): New fields in __mf_object.
1186 (__mf_check): Implement basic initialization checking.
1187 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1188 (__mf_describe_object): Print new fields.
1189 (__mf_violation): Identify check/read vs. check/write in messages.
1190 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1191 "-check-initialized" mudflap option.
1192 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1193 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1194 Drop __FILE__/__LINE__ hack. Update callers.
1195 (*): Adapt to new mf-runtime.h API.
1196 * Makefile.in: regenerated.
1197
1198 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
1199
1200 * configure.in: Build mf-runtime.h a more proper way.
1201 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1202 * mf-runtime.c (verbose_violations): Turn on by default.
1203 * mf-runtime.h.in: Remove some miscellaneous stuff ...
1204 * mf-impl.h: ... and move it here.
1205 * configure: Regenerated.
1206
1207 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
1208
1209 * configure.in: Look for C++ compiler.
1210 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1211 fixed type warnings when built with C++.
1212 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1213 * Makefile.am (TESTS): Run them.
1214 (*) Add new rules for building and running C++ tests.
1215 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1216 * mf-runtime.h.in: Protect with extern "C".
1217 * Makefile, configure: Regenerated.
1218
1219 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
1220
1221 Portability improvements.
1222 * configure.in: Look for glibc backtrace headers/functions.
1223 * mf-hooks.c: Don't include <execinfo.h> any more.
1224 * mf-runtime.c (__mf_set_options): Call more stdlib functions
1225 via CALL_REAL.
1226 (__mf_backtrace): Provide alternate baby implementation in
1227 absence of glibc.
1228 * test/mf-driver.c: Portability tweaks.
1229 * acinclude.m4: New file, containing top level libtool.m4.
1230 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1231
1232 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1233
1234 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1235
1236 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1237
1238 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1239 options.
1240 (__mf_unregister): Implement stack/heap object wiping.
1241 (__mf_set_options): Renamed from __mf_process_opts.
1242 (__mf_uncache_object): Change arg type, correct callers.
1243 * mf-impl.h: Corresponding changes.
1244 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1245 * mf-runtime.h.in (__mf_set_options): Extend public API.
1246 * test/pass26-frag.c: New test for stack wiping.
1247 * Makefile.am (TESTS): Run it.
1248 * Makefile.in: Regenerated.
1249
1250 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1251
1252 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1253 * mf-runtime.c (__mf_object_t): Add watching_p field.
1254 (__mf_watch_or_not): New function to implement
1255 object watch flagging.
1256 (__mf_watch, __mf_unwatch): New wrappers for above.
1257 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1258 (__mf_count_violation): Enlarge array.
1259 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1260 unlink object. Clear cache properly.
1261 (__mf_unregister): Unlink object explicitly before uncaching.
1262 * test/fail21-frag.c, pass25-frag.c: New tests.
1263 * Makefile.in, aclocal.m4: Regenerated.
1264
1265 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1266
1267 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1268 * Makefile.am (TESTS): Add it.
1269 * test/pass-stratcliff.c: Add decls of stpcpy.
1270 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1271 build tree from config.h and new file mf-runtime.h.in.
1272 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1273 * Makefile.in, configure, config.h.in: Regenerated.
1274 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1275 * mf-runtime.c (options, __mf_set_default_options): Support new
1276 default "abbreviate" option.
1277 (__mf_object.description_epoch): New field.
1278 (__mf_describe_object): Conditionally abbreviate objects already
1279 displayed in current epoch. Accept NULL input to increment epoch.
1280 (__mf_fini, __mf_ini): Reset description epoch.
1281 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1282 that NULL pointer slot in lookup cache is invalidated. Register a
1283 NOACCESS region around NULL.
1284 * mf-impl.h: Corresponding changes.
1285
1286 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1287
1288 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1289 * Makefile.am: Run them. Install mf-runtime.h.
1290 * Makefile.in: Regenerated.
1291 * mf-hooks.c: Add some markers for more missing functions.
1292 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1293 statistic to tune tune cache size (mask).
1294
1295 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1296
1297 * test/pass23-frag.c: New test for bit_field_ref expressions.
1298 * Makefile.am, Makefile.in: Add new test.
1299 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1300 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1301 * mf-runtime.c (__mf_init): Register errno global.
1302 (__mf_find_object): Removed function.
1303 (__mf_check): Rewrite logic to support accesses across some
1304 contiguous but distinctly registered objects.
1305 (__mf_remove_old_object): Tolerate cache entries that span
1306 contiguous objects.
1307
1308 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1309
1310 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1311 * Makefile.am, Makefile.in: Run new tests.
1312 * mf-hooks.c (alloca): Correct stack direction logic.
1313
1314 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1315
1316 * mf-impl.h (adapt_cache): New option.
1317 * mf-runtime.c (__mf_set_default_options): Set its default value.
1318 Tweak the tree_aging parameter down.
1319 (__mf_check): Maintain separate counter for cache-adaptation.
1320 (__mf_tree_analyze): New function to collect object tree stats.
1321 (__mf_adapt_cache): New function to automate cache parameters.
1322
1323 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1324
1325 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1326 hypothetical #if-0'd argv/envp region registration.
1327 * mf-runtime.c (__mf_init): Add kludged form of above.
1328 (*) Add "heur_argv_environ" flag, default on, to govern this.
1329 * mf-impl.h: Corresponding changes.
1330
1331 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1332
1333 * test/fail18-frag.c: New test file for NOACCESS regions.
1334 * Makefile.am (TESTS): Add new test.
1335 * Makefile.in: Regenerated.
1336
1337 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1338 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1339 (optimize_object_tree): Remove unused mudflap_option.
1340 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1341 support throughout. Use .._MAX_CEM for cemetary upper bound.
1342 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1343 regions.
1344 (__mf_object): Add new liveness field for use by tree aging.
1345 (__mf_check): Trigger tree aging when needed.
1346 (__mf_age_tree): New function to decay liveness field.
1347 (__mf_find_objects_rec): Use liveness field to rotate tree.
1348 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1349 (__mf_unregister): Ditto.
1350 (__mf_register): Tweak duplicate-static message.
1351 (__mf_violation: Tweak nearby-object counter printing.
1352
1353 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1354
1355 * test/pass20-frag.c: New test file.
1356 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1357 * Makefile.in: Regenerated.
1358
1359 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1360 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1361 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1362 entries to avoid repeat registration.
1363 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1364 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1365
1366 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1367
1368 * Makefile.am: Create test sources with #include, not cat>>.
1369 * Makefile.in: Regenerated.
1370 * test/buildtest.sh: Removed.
1371 * test/driver.c (abort_handler, main): Be quiet.
1372
1373 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1374
1375 * test/pass18-frag.c, pass19-frag.c: New tests.
1376 * Makefile.am (check): Run them. Rebuild test programs each time.
1377 * Makefile.in: Regenerated.
1378
1379 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1380
1381 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1382 overlapping object search.
1383 (__mf_violation): Likewise for nearby objects.
1384 Improve nearby-object listing.
1385
1386 cleanup:
1387 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1388 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1389
1390 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1391
1392 alloca support:
1393 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1394 (HOOKOBJS): Add alloca-hook.o.
1395 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1396 style.
1397 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1398 (__mf_backtrace): Reimplement without using alloca.
1399 * Makefile.in: Regenerated.
1400
1401 cleanup:
1402 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1403 Correct signedness bugs in length-tracking variables.
1404 * mf-impl.h: Make options unsigned.
1405 (CALL_WRAP): New macro to parallel CALL_REAL().
1406 (DECLARE): Remove erroneous ";" at end.
1407 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1408 formatting specs with %08lx. Correct several compiler warnings.
1409
1410 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1411
1412 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1413
1414 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1415
1416 libmudflap hook breakup:
1417 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1418 for libgcc_s.
1419 (TESTS): Make dependent on libmudflap.
1420 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1421 compiled from segments of mf-hooks.c.
1422 * mf-hooks.c: Corresponding changes: wrap each function in
1423 #ifdef/#endif.
1424 * Makefile.in: Regenerated.
1425
1426 Heuristics reorganization:
1427 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1428 Remove these functions. Update callers.
1429 (__mf_heuristic_check): Incorporate all the various heuristics.
1430 Encode cacheability/retry judgement into trinary return value.
1431 Separate start-end logic into a separate fallback heuristic. Only
1432 register relevant /proc/self/map segments.
1433 * mf-impl.h: Corresponding changes.
1434 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1435 (__mf_init): Don't call __mf_init_heuristics.
1436
1437 Tracing cleanup:
1438 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1439 "-verbose-trace" to emit all tracing messages other than those of
1440 basic public api. Eliminate some duplicate/excessive messages.
1441 * mf-runtime.h: Corresponding changes.
1442
1443 2002-08-27 Graydon Hoare <graydon@redhat.com>
1444
1445 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1446 and __real when compiled with -DPIC.
1447 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1448 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1449 * Makefile.in: Regenerate.
1450
1451 2002-08-26 Graydon Hoare <graydon@redhat.com>
1452
1453 * mf-impl.h: New file, private implementation header.
1454 * mf-runtime.h: Reorganize a bit.
1455 (CLAMPSZ): Fix arithmetic.
1456 (__MF_CACHE_MISS_P): Fix arithmetic.
1457 * mf-runtime.c: Reorganize a bit.
1458 (__mf_dynamic): New structure.
1459 (resolve_single_dynamic): New function.
1460 (__mf_resolve_dynamics): New function.
1461 (__mf_init): Initialize dynamic wrappers.
1462 * mf-hooks.c: Macro-ize __real calls.
1463 Clamp various bits of arithmetic.
1464 Add explicit __mf_check call contexts.
1465 * Makefile.am: Add dependencies on mf-impl.h
1466 * Makefile.in: Regenerate.
1467 * configure.in: Comment out shared override.
1468 * configure: Regenerate.
1469
1470 2002-08-22 Graydon Hoare <graydon@redhat.com>
1471
1472 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1473 (__mf_check): Re-inialize and check heuristics before violation.
1474 (__mf_register): Permit updating pure-guess regions.
1475 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1476 (__wrap_dlopen): New wrapper function.
1477 (__wrap_mmap): New wrapper function.
1478 (__wrap_munmap): New wrapper function.
1479 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1480 which are not stack addresses.
1481 (is_stack_address): New function.
1482 (__mf_init_heuristics): Save and restore state, always initialize with
1483 "starting" state.
1484
1485 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1486
1487 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1488 error. Pass location string.
1489 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1490 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1491 (__mf_process_opts): Apply some sanity checking for lc-mask.
1492 (__mf_check, __mf_violation): Take new location-string argument.
1493 Update callers to pass NULL if necessary.
1494 (__mf_backtrace): New smart backtracer function. Calls replace
1495 several ad-hoc blocks elsewhere.
1496 (__mf_describe_object): Remove bad reentrancy test. Improve
1497 tracing message.
1498 * mf-runtime.h: Corresponding changes. Public/private markup.
1499 (__MF_CACHE_MISS_P): New macro.
1500
1501 2002-08-20 Graydon Hoare <graydon@redhat.com>
1502
1503 * mf-runtime.h: New option: stack_bound (heuristic).
1504 Move some macros out of implementation files.
1505 * mf-runtime.c: New option string: -stack-bound.
1506 Unify recursion protection with hooks.
1507 Add more logging.
1508 (__mf_check): Call __mf_heuristic_check.
1509 (__mf_process_opts): Fix "no-" processing.
1510 * mf-heuristics.c (__mf_heuristic_check): New function.
1511 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1512
1513 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1514
1515 Option parsing improvements, region splitting bug fixes:
1516 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1517 * mf-runtime.h (heur_proc_map): New libmudflap option.
1518 * mf-runtime.c (__mf_set_default_options): Set it.
1519 (__mf_usage): Print default values/status.
1520 (__mf_process_opts): Support general "no-" option string prefix.
1521 (__mf_init): Print __mf_usage on unknown-option error.
1522 (__mf_register): Print trace message up front.
1523 Correct region splitting logic for case where a subregion disappears.
1524 Correct memory leak.
1525 (__mf_violation): Make even basic message conditional on option.
1526
1527 Build cleanup:
1528 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1529 (clean-local): New target.
1530 (test/*x rules): Add -g CFLAGS.
1531 (CFLAGS): Add -freorder-blocks.
1532 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1533 * Makefile.in: Regenerated.
1534 * Makefile, mf-config.h: Removed files.
1535
1536 2002-08-16 Graydon Hoare <graydon@redhat.com>
1537
1538 * mf-runtime.c (__mf_insert_new_object): Factor out of
1539 __mf_register.
1540 (__mf_remove_old_object): Factor out of __mf_unregister.
1541 (__mf_register): Handle guessed regions, splitting
1542 guesses when new registrations arrive.
1543 (__mf_unregister): Do not unregister guesses.
1544 * mf-runtime.h: Move convenience macros around,
1545 declare new option fields. Add __MF_TYPE_GUESS.
1546 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1547 (__wrap_free): Call __real_free for deferred frees.
1548 * Makefile.am: Add more tests, fix dependency.
1549 * Makefile.in: Regenerate.
1550 * test/pass[13..17]-frag.c: New testcases.
1551 * test/fail[13..17]-frag.c: New testcases.
1552
1553 2002-08-15 Graydon Hoare <graydon@redhat.com>
1554
1555 * mf-heuristics.c: New file.
1556 * mf-runtime.c (options): Add -trace-calls option.
1557 (__mf_init): Call __mf_init_heuristics.
1558
1559 2002-08-14 Graydon Hoare <graydon@redhat.com>
1560
1561 * Makefile.am (TESTS): Add testsuite support.
1562 * Makefile.in: Regenerate.
1563 * test/mf-driver.c: New file.
1564 * test/buildtest.sh: New file.
1565 * test/passNN-frag.c: New testcases.
1566 * test/failNN-frag.c: New testcases.
1567
1568 2002-08-14 Graydon Hoare <graydon@redhat.com>
1569
1570 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1571 verifying non-size-limited string extents.
1572
1573 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1574
1575 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1576 instead of plain str[n]len for internal checks.
1577 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1578
1579 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1580
1581 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1582
1583 2002-08-13 Graydon Hoare <graydon@redhat.com>
1584
1585 * mf-runtime.c: Rework configuration to operate on
1586 environment variable options rather than #defines
1587 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1588 (__mf_init): Set static __mf_active_p flag on startup,
1589 to inhibit mudflap wrap-based checking during crt0.s.
1590 * mf-runtime.h: Declare options structure.
1591 * mf-hooks.c: New wrappings for mem*, b*, str*
1592 libc functions (temporarily #if 0-ed out).
1593
1594 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1595
1596 * Makefile.am, configure.in: New files.
1597 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1598 * stamp-h.in, aclocal.m4: Ditto.
1599
1600 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1601
1602 * Makefile: New file.
1603 * mf-config.h: New file: runtime configuration.
1604 * mf-hooks.c: New file: interposed libc functions.
1605 * mf-runtime.c: New file: bulk of runtime.
1606 * mf-runtime.h: New file: public functions.