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