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