libmudflap/ChangeLog

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