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