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