libmudflap/ChangeLog

   1 2007-05-23  Steve Ellcey  <sje@cup.hp.com>
   2
   3         * Makefile.in: Regenerate.
   4         * configure: Regenerate.
   5         * aclocal.m4: Regenerate.
   6         * testsuite/Makefile.in: Regenerate.
   7
   8 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
   9
  10         * testsuite/libmudflap.cth/pass59-frag.c (main): Fix casting of arg.
  11
  12 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
  13
  14         * Makefile.am: Add dummy install-pdf target.
  15         * Makefile.in: Regenerate
  16
  17 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
  18
  19         PR libgomp/28468
  20         * configure: Regenerate.
  21
  22 2006-12-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
  23
  24         * configure: Regenerate.
  25
  26 2006-11-13  Daniel Jacobowitz  <dan@codesourcery.com>
  27
  28         * configure: Regenerated.
  29
  30 2006-11-10  Frank Ch. Eigler  <fche@redhat.com>
  31
  32         PR libmudflap/28578
  33         * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
  34         static but not function scope static.
  35         (free): Skip deallocation attempts for objects placed into
  36         bootstrap buffers.
  37         * testsuite/libmudflap.cth/pass59-frag.c: New test.
  38
  39 2006-11-06  Frank Ch. Eigler  <fche@redhat.com>
  40
  41         From Herman ten Brugge <hermantenbrugge@home.nl>:
  42         * mf-runtime.c (__mf_uncache_object): Optimize the code so that
  43         small and large objects are handled a lot faster.
  44
  45 2006-11-06  Frank Ch. Eigler  <fche@redhat.com>
  46
  47         * configure.ac (__libc_freeres): Look for it.
  48         * mf-impl.h (call_libc_freeres): New configuration flag.
  49         * mf-runtime.c (__mf_set_default_options): Set it by default.
  50         (__mfu_report): Call it if needed.
  51         (__mfu_unregister): Remove "unaccessed registered object" warning.
  52         * configure, config.h.in: Regenerated.
  53
  54 2006-09-18  Tom Tromey  <tromey@redhat.com>
  55
  56         * configure: Rebuilt.
  57
  58 2006-06-21  Frank Ch. Eigler  <fche@redhat.com>
  59
  60         PR 21274
  61         mf-runtime.h installation based on ssp patch for PR 26473 from
  62         Mark Mitchell  <mark@codesourcery.com>.
  63         * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
  64         * Makefile.am (target_noncanonical): Define.
  65         (libsubincludedir): New variable.
  66         (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
  67         (include_HEADERS): Remove.
  68         * configure, aclocal.m4, config.h.in: Regenerated.
  69         * Makefile.in, testsuite/Makefile.in: Likewise.
  70         * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
  71         and _THREAD_SAFE redefinition values.
  72
  73 2006-05-23  Carlos O'Donell  <carlos@codesourcery.com>
  74
  75         * Makefile.am: Add install-html target. Add install-html to .PHONY
  76         * Makefile.in: Regenerate.
  77
  78 2006-04-19  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
  79
  80         PR mudflap/26789
  81         * testsuite/libmudflap.c++/error1-frag.cxx: New test.
  82
  83         PR mudflap/26790
  84         * testsuite/libmudflap.c++/error2-frag.cxx: New test.
  85
  86 2006-04-10  Matthias Klose  <doko@debian.org>
  87
  88         * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
  89         directory names containing underscores.
  90
  91 2005-11-22  Janis Johnson  <janis187@us.ibm.com>
  92
  93         * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
  94         MUDFLAP_FLAGS if static library not supported.
  95         * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
  96         * testsuite/libmudflap.c/externs.exp: Ditto.
  97         * testsuite/libmudflap.c++/ctors.exp: Ditto.
  98         * testsuite/libmudflap.c++/c++frags.exp: Ditto.
  99         * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
 100
 101 2005-10-04  James E Wilson  <wilson@specifix.com>
 102
 103         * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
 104         $name as array of characters with unknown bound.  Also store into the
 105         array.
 106         * configure: Regenerate.
 107
 108 2005-09-30  James E. Wilson  <wilson@specifix.com>
 109
 110         * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
 111         AC_CHECK_HEADER.
 112         (target_thread_file): New.  Set from sed'ed gcc output.
 113         (posix_threads): New.  Set from target_thread_file.  Use instead of
 114         ac_have_pthread_h.
 115         (pthread_create_version): Move initialization before code using it.
 116         * configure: Regenerate.
 117
 118         * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
 119         bounds.
 120
 121 2005-09-29  James E. Wilson  <wilson@specifix.com>
 122
 123         * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
 124         with HAVE_MMAP ifdef.
 125
 126 2005-09-23  Frank Ch. Eigler  <fche@elastic.org>
 127
 128         PR 23084.
 129         * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
 130
 131 2005-09-23  Frank Ch. Eigler  <fche@elastic.org>
 132
 133         * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
 134
 135 2005-09-23  Tom Tromey  <tromey@redhat.com>
 136
 137         * aclocal.m4, configure: Rebuilt.
 138         * configure.ac: Use GCC_CHECK_TLS.
 139         * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
 140         to ../config.
 141
 142 2005-08-22  Jim Wilson  <wilson@specifix.com>
 143
 144         * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
 145         __FreeBSD__ is defined.
 146
 147 2005-08-17  Jim Wilson  <wilson@specifix.com>
 148
 149         * mf-hooks1.c (malloc, calloc, realloc, free,
 150         __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
 151         the real routines, and END_MALLOC_PROTECT afterwards.
 152         * mf-impl.h (enum __mf_state_enum): Expand comment.  Add in_malloc.
 153         (BEGIN_PROTECT): Handle in_malloc state.
 154         (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
 155         * testsuite/libmudflap.c/hook2-allocstuff.c: New.
 156
 157 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
 158
 159         * All files: Update FSF address.
 160
 161 2005-08-15  Ulrich Weigand  <weigand@informatik.uni-erlangen.de>
 162
 163         * mf-hooks3.c (main_seen_p): Remove.
 164         (__mf_get_state): Remove attempt to recognize the main thread.
 165
 166 2005-08-15  Maciej W. Rozycki  <macro@linux-mips.org>
 167
 168         * configure.ac: Test for the name of the symbol used for the entry
 169         point; define ENTRY_POINT to the result.
 170         * configure: Regenerate.
 171         * config.h.in: Regenerate.
 172         * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
 173
 174 2005-08-14  Ulrich Weigand  <weigand@informatik.uni-erlangen.de>
 175
 176         * mf-runtime.c (__mf_state_1): Initialize to reentrant.
 177         (__mf_init): Set thread state active.
 178         * mf-hooks3.c (__mf_pthread_spawner): Always set thread
 179         state active.
 180         (pthread_create wrapper): Always use thread spawner.
 181
 182         * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
 183         * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
 184
 185 2005-07-16  Richard Henderson  <rth@redhat.com>
 186
 187         * acinclude.m4: New file.
 188         * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
 189         * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
 190         * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
 191         (__mf_0fn_calloc): ... here.
 192         * mf-hooks3.c (struct pthread_info): Remove.
 193         (__mf_pthread_info, __mf_pthread_info_idx): Remove.
 194         (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
 195         (struct mf_thread_data): New.
 196         (mf_thread_data, mf_thread_data_lock): New.
 197         (__mf_allocate_blank_threadinfo): Remove.
 198         (__mf_find_threadinfo): Rewrite and simplify.  Only use if TLS is
 199         not available.
 200         (__mf_state_perthread): Remove.
 201         (__mf_get_state, __mf_set_state): New.
 202         (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
 203         Update mf_thread_data killing procedure.
 204         (__mf_pthread_spawner): Similarly.
 205         (__mf_0fn_pthread_create): Only use wrapper if necessary.  Remove
 206         code to allocate thread stack space.
 207         (__mf_0fn_pthread_join, pthread_join): Remove.
 208         (__mf_0fn_pthread_exit, pthread_exit): Remove.
 209         * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
 210         (__mf_state_1): Rename from __mf_state; use TLS when available.
 211         (__mf_get_state, __mf_set_state): New.  Update all users.
 212         * mf-runtime.c (begin_recursion_protect1): New.
 213         (BEGIN_RECURSION_PROTECT): Use it.
 214         (__mf_state_1): Rename from __mf_state; use TLS when available.
 215         (threads_active_p): Remove.
 216         (__mf_usage): Compute it directly.
 217
 218 2005-06-19  Ulrich Weigand  <uweigand@de.ibm.com>
 219
 220         * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
 221
 222 2005-06-15  Frank Ch. Eigler  <fche@redhat.com>
 223
 224         Fix for uncaching bug reported by Herman ten Brugge.
 225         * mf-runtime.c (__mf_uncache_object): Search whole cache.
 226         * testsuite/libmudflap.c/fail40-frag.c: New test.
 227
 228 2005-05-23  Alfred M. Szmidt  <ams@gnu.org>
 229
 230         PR libmudflap/21724
 231         * Makefile.am (AM_MAKEFLAGS): Pass includedir.
 232         * Makefile.in: Amend.
 233
 234 2005-06-14  Frank Ch. Eigler  <fche@redhat.com>
 235
 236         PR mudflap/21023
 237         * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
 238         * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
 239
 240 2005-06-14  Frank Ch. Eigler  <fche@redhat.com>
 241
 242         PR libmudflap/21094
 243         * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
 244
 245 2005-06-14  Frank Ch. Eigler  <fche@redhat.com>
 246
 247         PR mudflap/22064
 248         * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
 249         unsigned vars with #defines instead of enums.
 250
 251 2005-05-09  Mike Stump  <mrs@apple.com>
 252
 253         * configure: Regenerate.
 254
 255 2005-04-12  Mike Stump  <mrs@apple.com>
 256
 257         * configure: Regenerate.
 258
 259 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
 260
 261         PR mudflap/19266
 262         * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
 263         * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
 264
 265 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
 266
 267         * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
 268
 269 2005-03-31  Mike Stump  <mrs@apple.com>
 270
 271         * mf-runtime.h: Add libmudflap copyright clause.
 272
 273 2005-03-21  Mike Stump  <mrs@apple.com>
 274
 275         * mf-heuristics.c: Fix whitespace at end of line.
 276         * mf-hooks1.c: Likewise.
 277         * mf-hooks2.c: Likewise.
 278         * mf-hooks3.c: Likewise.
 279         * mf-impl.h: Likewise.
 280         * mf-runtime.c: Likewise.
 281         * mf-runtime.h: Likewise.
 282
 283 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
 284
 285         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
 286         In all substitutions, expand gcc_version in Makefile.
 287         * aclocal.m4, configure: Regenerate.
 288         * Makefile.am: Set gcc_version.
 289         * Makefile.in, testsuite/Makefile.in: Regenerate.
 290
 291 2005-03-17  Frank Ch. Eigler  <fche@redhat.com>
 292
 293         * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
 294         * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
 295
 296 2005-02-13  Frank Ch. Eigler  <fche@redhat.com>
 297
 298         PR mudflap/19319
 299         * testsuite/libmudflap.c++/pass55-frag.c: New test.
 300
 301 2005-01-05  Richard Henderson  <rth@redhat.com>
 302
 303         * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
 304
 305 2005-01-02  Greg McGary  <greg@mcgary.org>
 306
 307         * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
 308         * mf-runtime.h: New file, replaces mf-runtime.h.in.
 309         * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
 310         * Makefile.in: Ditto.
 311         * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
 312         * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
 313         * testsuite/libmudflap.c/fail36-frag.c: New test.
 314         * testsuite/libmudflap.c/fail37-frag.c: New test.
 315         * testsuite/libmudflap.c/fail38-frag.c: New test.
 316
 317 2004-12-08  Kelley Cook  <kcook@gcc.gnu.org>
 318
 319         * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
 320         * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
 321
 322 2004-12-02  Richard Sandiford  <rsandifo@redhat.com>
 323
 324         * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
 325         * aclocal.m4: Include ../config/gcc-version.m4.
 326         * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
 327
 328 2004-11-29  Kelley Cook  <kcook@gcc.gnu.org>
 329
 330         * Makefile.am: Define ACLOCAL_AMFLAGS.
 331         * acinclude.m4: Remove.
 332         * stamp-h.in: Remove superfluous stamp file.
 333         * aclocal.m4, configure, Makefile.in: Regenerate.
 334         * testsuite/Makefile.in: Likewise.
 335
 336 2004-11-24  Kelley Cook  <kcook@gcc.gnu.org>
 337
 338         * Makefile.am: Revert previous.
 339         * acinclude.m4: Restore.
 340         * aclocal.m4, configure, Makefile.in: Regenerate.
 341         * testsuite/Makefile.in: Likewise.
 342
 343 2004-11-24  Kelley Cook  <kcook@gcc.gnu.org>
 344
 345         * Makefile.am: Define ACLOCAL_AMFLAGS.
 346         * acinclude.m4: Remove.
 347         * aclocal.m4, configure, Makefile.in: Regenerate.
 348         * testsuite/Makefile.in: Likewise.
 349
 350 2004-11-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 351
 352         * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
 353
 354 2004-11-23  Kelley Cook  <kcook@gcc.gnu.org>
 355
 356         * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
 357         * testsuite/Makefile.in: Likewise.
 358
 359 2004-11-01  Andreas Schwab  <schwab@suse.de>
 360
 361         * configure.ac: (target_alias): Default to $host_alias, not
 362         $target.
 363         * configure: Regenerated.
 364
 365 2004-10-28  Frank Ch. Eigler  <fche@redhat.com>
 366
 367         * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
 368         * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
 369         message.
 370
 371 2004-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
 372
 373         PR other/18138
 374         * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
 375
 376 2004-10-12  Frank Ch. Eigler  <fche@redhat.com>
 377
 378         * configure.ac: Check for more headers, functions.
 379         * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
 380         tracking overridden FILE buffers.
 381         (fopen, setvbuf): New/revised hook functions for buffer overriding.
 382         (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
 383         (fflush): Accept given NULL stream (means "all streams").
 384         * mf-runtime.h.in:
 385         * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
 386         HEAP/GUESS objects.
 387         (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
 388         (__mf_adapt_cache): Use them all.
 389         * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
 390         * testsuite/libmudflap.c++/ctors.exp: Ditto.
 391         * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
 392         * configure, config.h.in: Regenerated.
 393
 394 2004-10-05  Frank Ch. Eigler  <fche@redhat.com>
 395
 396         * configure.ac: Checking for sys/socket.h once is enough.
 397         * configure: Regenerated.
 398
 399 2004-10-04  Frank Ch. Eigler  <fche@redhat.com>
 400
 401         * configure.ac: Look for more headers & functions.
 402         * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
 403         * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
 404         * mf-runtime.c (options): Clean up integer signedness warnings.
 405         (main): Add a declaration to fix a warning.
 406         * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
 407         * configure, config.h.in: Regenerated.
 408
 409 2004-10-02  Frank Ch. Eigler  <fche@redhat.com>
 410
 411         * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
 412         New tests for proper base/limit checking for aggregates.
 413
 414 2004-09-15  Joseph S. Myers  <jsm@polyomino.org.uk>
 415
 416         * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
 417
 418 2004-09-07  Frank Ch. Eigler  <fche@redhat.com>
 419
 420         * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
 421         * mf-hooks2.c (strerror): Unregister previous string returned by
 422         previous strerror.
 423         (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
 424         (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
 425         * mf-runtime.h.in: Add redefine_extname pragmas for them all.
 426         * mf-runtime.c (__mf_describe_object): Clarify object life status.
 427         * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
 428         New tests.
 429         * configure, config.h.in: Regenerated.
 430
 431 2004-08-03  Dale Johannesen  <dalej@apple.com>
 432
 433          * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
 434
 435 2004-08-03  Frank Ch. Eigler  <fche@redhat.com>
 436
 437         * mf-runtime.c (compare_uintptr_t): Remove function.  Inline
 438         simplified contents in all former callers.
 439
 440 2004-07-27  Ulrich Weigand  <weigand@informatik.uni-erlangen.de>
 441
 442         * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
 443         the statically linked case.
 444
 445 2004-07-27  Frank Ch. Eigler  <fche@redhat.com>
 446
 447         * splay-tree.[ch]: Remove.  Merge contents into ...
 448         * mf-runtime.c: ... here, renaming symbols and making all functions
 449         static.  Remove unused min/max functions.
 450         * Makefile.am: Forget about splay-tree.[ch].
 451         * Makefile.in, testsuite/Makefile.in: Regenerated.
 452
 453 2004-07-21  Frank Ch. Eigler  <fche@redhat.com>
 454
 455         * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
 456         (__mfu_usage): Include (C) 2004.
 457         * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
 458         here.  Include a comment explaining why.
 459
 460 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
 461
 462         * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
 463         * mf-runtime.c (options): Give them a name.
 464         (__mf_set_default_options): Set them.
 465         (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
 466         (__mf_violation): Warning cleanup.
 467         * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
 468         * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
 469
 470 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
 471
 472         g++/15861
 473         * mf-runtime.c (__mf_init): Make it non-static.  Tolerate
 474         repeated invocation.
 475
 476 2004-07-09  Frank Ch. Eigler  <fche@redhat.com>
 477
 478         Test case for g++/15861
 479         * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
 480         * testsuite/libmudflap.c++/ctors.exp: Driver.
 481         * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
 482         Look only for *frag* test cases.
 483
 484 2004-07-08  Frank Ch. Eigler  <fche@redhat.com>
 485
 486         ANSI C conversion, libmudflap specialization, recursion limiting.
 487         * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
 488         argument and indirection function pointers, update callers.
 489         (splay_tree_s): Add statistics and recursion control fields
 490         num_keys, max_depth, depth, rebalance_p.
 491         * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
 492         Back out of search if it exceeds limit.
 493         (splay_tree_splay): Manage recursion limiting with rebalancing as
 494         needed.
 495         (splay_tree_new): More initialization.
 496         (splay_tree_rebalance): New function.
 497         (splay_tree_foreach): Rewrite using nonrecursive logic.
 498         (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
 499         Remove.  Point indirect calls to mf-runtime.c's routines.
 500         (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
 501         functions.
 502         (splay_tree_delete, splay_tree_delete_helper): Ditto.
 503         * testsuite/heap-scalestress.c: New test based on one from
 504         Eyal Lebedinsky <eyal@eyal.emu.id.au>:
 505
 506 2004-07-05  Matthias Klose  <doko@debian.org>
 507
 508         * libtool-version: New.
 509         * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
 510         Use -version-info for soname.
 511         * Makefile.in: Regenerate.
 512         * configure.ac: Remove libtool_VERSION macro
 513         * configure: Regenerate
 514
 515 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
 516
 517         * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
 518         __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
 519         #ifndef _MUDFLAP.
 520
 521 2004-06-29  Frank Ch. Eigler  <fche@redhat.com>
 522
 523         Splay tree implementation fork.
 524         * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
 525         Use hard-coded comparison function for uintptr_t.  Remove key/value
 526         deallocation logic.  Cache last splayed key for consecutive lookups.
 527         * Makefile.am, Makefile.in: Use them, don't link to them.
 528         * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
 529         (__mf_find_objects2): Flip successor/predecessor search sequence.
 530         * ansidecl.h, libiberty.h: Removed dummy files.
 531
 532 2004-06-29  Nick Clifton  <nickc@redhat.com>
 533
 534         * configure.ac (AC_CHECK_HEADERS): Add dirent.h
 535         * configure: Regenerate.
 536         * mf-hooks2.c: Surround uses of dirent.h with #ifdef
 537         HAVE_DIRENT_H.
 538         Remove spurious inclusion of <strings.h>.
 539
 540 2004-06-29  Nick Clifton  <nickc@redhat.com>
 541
 542         * mf-runtime.c (pthread_join): Only apply the weak pragma if the
 543         function actually exists.
 544
 545 2004-06-25  Frank Ch. Eigler  <fche@redhat.com>
 546
 547         * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
 548         * config.h.in: Regenerated.
 549
 550 2004-06-24  Frank Ch. Eigler  <fche@redhat.com>
 551
 552         Adopt splay trees for object database.
 553         * Makefile.am: Copy splay-tree.* from libiberty.
 554         * Makefile.in, testsuite/Makefile.in: Regenerated.
 555         * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
 556         * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
 557         * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
 558         * mf-runtime.c: Rewrite code dealing with object database to use
 559         libiberty splay trees.  Remove tree liveness aging option.
 560         * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
 561
 562 2004-06-15  Paolo Bonzini  <bonzini@gnu.org>
 563
 564         * configure.ac: New name of configure.in.  Update
 565         AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
 566         AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
 567         Autoconf 2.5x and Automake 1.7 or later.
 568         * configure.in: Remove.
 569         * configure: Regenerate.
 570
 571         * Makefile.am: Remove useless multilib rules.
 572         * Makefile.in: Regenerate.
 573
 574 2004-06-15  Paolo Bonzini  <bonzini@gnu.org>
 575
 576         * .cvsignore: New file.
 577
 578 2004-06-10  Stephen Crowley  <stephen.crowley@sbcglobal.net>
 579
 580         PR libmudflap/13505
 581         * mf-hooks2.c (semctl): Add cygwin porting hack.
 582
 583 2004-06-09  Frank Ch. Eigler  <fche@redhat.com>
 584
 585         ctype support.
 586         * configure.in: Look for ctype header and glibc implementation.
 587         * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
 588         array hooks for glibc 2.3.
 589         * mf-runtime.h.in: Wrap them.
 590         * mf-runtime.c (__mf_init): Leave marker regarding other ctype
 591         implementations.
 592         * testsuite/libmudflap.c/pass47-frag.c: New test.
 593         * configure, config.h.in: Regenerated.
 594
 595 2004-06-04  Frank Ch. Eigler  <fche@redhat.com>
 596
 597         Portability improvements, e.g., libmudflap/15293.
 598         * configure.in: Look for glibc extension functions.  Look for
 599         support of -f{function,data}-sections.  Look for more headers.
 600         Create testsuite/mfconfig.exp.  Correct more "test x.." thinkos.
 601         * Makefile.am: Use $(SECTION_FLAGS).  Collapse piecemeal-compiled
 602         mf-hooks* into usual single object per source.
 603         * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
 604         * mf-hooks2.c: #include a bunch more system headers.  Define strnlen
 605         if system doesn't provide one.
 606         * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
 607         (pthread_create): Use it to properly GC dead thread stacks.
 608         * mf-runtime.c (__mf_violation): Correct snprintf type warning.
 609         * testsuite/Makefile.am: Stop generating site.exp.
 610         * testsuite/mfconfig.exp.in: New file.
 611         * testsuite/config/default.exp: Load new mfconfig.exp.
 612         * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
 613         (prune_gcc_output): Add glibc static linking warnings.
 614         * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
 615         * testsuite/libmudflap.c/pass46-frag.c: Ditto.
 616         * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
 617         Regenerated with autoconf 2.57 and automake 1.7.
 618
 619 2004-06-04  Per Bothner  <per@bothner.com>
 620
 621         * configure.in (LIBMUDFLAPTH):  Fix thinko.
 622
 623         * configure.in:  Check for more headers.
 624         * mf-hooks2.c:  Conditionalize on HAVE_SYS_SOCKET_H etc.
 625
 626         * mf-runtime.c:  In two places conditionalize on SIUSR1 rather than
 627         HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
 628
 629 2004-06-01  Andreas Jaeger  <aj@suse.de>
 630
 631         * configure.in: Handle multilibs, support
 632         --enable-version-specific-runtime-libs.
 633         * Makefile.am (lib_LTLIBRARIES): Rename to ...
 634         (toolexeclib_LTLIBRARIES): this for multilib support.
 635         * Makefile.in: Regenerated.
 636         * configure: Regenerated.
 637         * aclocal.m4: Regenerated.
 638         * config.h.in: Regenerated.
 639         * testsuite/Makefile.in: Regenerated.
 640
 641 2004-06-01  Andreas Jaeger  <aj@suse.de>
 642
 643         * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
 644         multilibs, using multilib directory instead of hardcoded path.
 645         Set LD_RUN_PATH.
 646
 647 2004-05-21  Frank Ch. Eigler  <fche@redhat.com>
 648
 649         * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
 650         * Makefile.in: Ditto.
 651
 652 2004-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
 653
 654         * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
 655         * aclocal.m4, configure: Rebuilt.
 656
 657 2004-05-17  Frank Ch. Eigler  <fche@redhat.com>
 658
 659         * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
 660         import some build settings from libstdc++-v3 testsuite_flags.
 661         * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
 662         changes to pass test language.
 663
 664         * mf-runtime.c (__mfu_check): Poison the cache with antidote for
 665         quicker mode-nop handling.
 666
 667 2004-03-25  Frank Ch. Eigler  <fche@redhat.com>
 668
 669         * mf-impl.h: Added libgcc license header.
 670
 671 2004-03-20  Frank Ch. Eigler  <fche@redhat.com>
 672
 673         * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
 674         Added libgcc license header.
 675         * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
 676         (pthread_create): Simplify stack allocation syntax.
 677
 678 2004-03-08  Loren J. Rittle  <ljrittle@acm.org>
 679
 680         * mf-hooks2.c: Support FreeBSD.
 681         (WRAP_gets): Avoid gets().
 682         * testsuite/libmudflap.c/pass-stratcliff.c: Do not
 683         test unimplemented mem/str calls on FreeBSD.
 684         * testsuite/libmudflap.c/pass21-frag.c: Do not include
 685         <alloca.h> on FreeBSD.
 686
 687 2004-01-30  Frank Ch. Eigler  <fche@redhat.com>
 688
 689         * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
 690         * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
 691         * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
 692         flags for static linking permutation.
 693         * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
 694         some pthreads code that croaks on linux glibc tls.
 695
 696 2004-01-27  Frank Ch. Eigler  <fche@redhat.com>
 697
 698         * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
 699
 700 2004-01-15  Frank Ch. Eigler  <fche@redhat.com>
 701
 702         * testsuite/libmudflap.c/pass44-frag.c: New test.
 703
 704 2004-01-12  Frank Ch. Eigler  <fche@redhat.com>
 705
 706         * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
 707
 708 2004-01-08  Frank Ch. Eigler  <fche@redhat.com>
 709
 710         * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
 711
 712 2003-12-11  Frank Ch. Eigler  <fche@redhat.com>
 713
 714         * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
 715
 716 2003-12-08  Andrew Pinski  <pinskia@physics.uc.edu>
 717
 718         PR libmudflap/12670
 719         * configure.in: Add check for see if
 720         socklen_t typedef is in sys/socket.h.
 721         * mf-hooks1.c: Add define if socklen_t
 722         is not typedef.
 723         * mf-hooks2.c: Likewise.
 724         * mf-hooks3.c: Likewise.
 725         * config.h.in: Regen.
 726         * configure: Regen.
 727
 728 2003-12-08  Frank Ch. Eigler  <fche@redhat.com>
 729
 730         * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
 731         * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
 732         optimizations.
 733         * testsuite/libmudflap.c/pass25-frag.c: Ditto.
 734         * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
 735         (unoptimized) allocation of stack space.
 736
 737 2003-12-07  Richard Henderson  <rth@redhat.com>
 738
 739         * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
 740         * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
 741
 742 2003-12-06  Andrew Pinski <apinski@apple.com>
 743
 744         partial PR libmudflap/12670
 745         * mf-hooks1.c: Respect Darwin checks.  Conditionalize POSIX_SOURCE.
 746         * mf-hooks2.c: Likewise.
 747         * mf-hooks3.c: Likewise.
 748
 749 2003-11-19  Frank Ch. Eigler  <fche@redhat.com>
 750
 751         libstdc++/11696
 752         * mf-runtime.h.in: Switch to #pragma redefine_extname for
 753         symbols interposed at compile time.
 754         * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
 755
 756         libmudflap/12939
 757         * mf-hooks2.c (semctl): Tolerate FreeBSD.
 758
 759         * configure.in: Reorganize check for <pthread.h>.
 760         * configure: Regenerated.
 761
 762 2003-11-04  David Edelsohn  <edelsohn@gnu.org>
 763
 764         * mf-runtime.c (_ALL_SOURCE): Define for AIX.
 765         (_LARGE_FILE_API): Define for AIX.
 766         * mf-hooks[123]: Same.
 767         (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
 768
 769 2003-10-21  David Edelsohn  <edelsohn@gnu.org>
 770
 771         * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
 772
 773 2003-07-29  Frank Ch. Eigler  <fche@redhat.com>
 774
 775         2003-07-29  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
 776
 777         * configure.in: Update check for union semun.
 778
 779 2003-07-29  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
 780
 781         PR other/11673
 782         * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
 783
 784 2003-07-29  Frank Ch. Eigler  <fche@redhat.com>
 785
 786         PR other/11673
 787         * configure.in: Add checks for 64-bit LFS functions, struct semun
 788         definition, for BSD compatibility.
 789         * mf-hooks1.c: Respect BSD checks.  Conditionalize POSIX_SOURCE.
 790         * mf-hooks2.c: Ditto.  Include <strings.h> for bcmp* decls.
 791         * mf-hooks3.c: Ditto.
 792         (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
 793         mmap flag.
 794         * configure, config.h.in: Regenerated.
 795
 796 2003-07-23  Frank Ch. Eigler  <fche@redhat.com>
 797
 798         Multithreading fixes:
 799         * mf-runtime.c (__mf_object): Store allocating/deallocating
 800         thread id.
 801         (options): Support new "-thread-stack" option.
 802         Rename "-heur-argv-environ" option to "-heur-stdlib".
 803         Disable "-lc-mask" and "-lc-shift" options.
 804         (__mf_dynamic): Add function pointers for pthread_join/_exit.
 805         (__assert_fail): New self-contained function for glibc.
 806         * mf-hooks3.c: Essentially rewritten, particularly related to
 807         use of __mf_pthread_info array.
 808         (pthread_join, _exit): New hook functions.
 809         * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
 810         * testsuite/libmudflap.cth/pass40-frag.c: New test.
 811
 812         Warning cleanups:
 813         * mf-heuristics.c: Add type casts for tracing, sub calls.
 814         * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
 815         Update all callers to declare explicit result holder.
 816         (END_PROTECT): Removed.
 817         * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
 818
 819 2003-07-15  Diego Novillo  <dnovillo@redhat.com>
 820
 821         * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
 822         * testsuite/libmudflap.c/fail15-frag.c: Likewise.
 823         * testsuite/libmudflap.c/fail13-frag.c: Likewise.
 824
 825 2003-07-04  Frank Ch. Eigler  <fche@redhat.com>
 826
 827         * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
 828         * mf-hooks: Removed.
 829         * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
 830         Move these macros from old mf-hooks.c here.
 831         * Makefile.am: Adapt to split-up hook sources for faster builds.
 832         * Makefile.in: Regenerated.
 833
 834         * mf-heuristics.c: Remove #if-0 block.
 835
 836         * mf-impl.h (__mf_state): Reorganize declaration and implementation.
 837         (__mf_starting_p): New state only for use while dlsym bootstrapping.
 838         (CALL_REAL, __mf_init): Corresponding changes.
 839         (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix.  Update
 840         all callers to remove redundant "mf:" prefix.
 841         * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
 842         * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
 843         (__mf_pthread_info): Become a hash table.
 844
 845         * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
 846         "dg-repetitions" directives to control test case execution.
 847         * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
 848         options.
 849         * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
 850
 851 2003-06-25  Frank Ch. Eigler  <fche@redhat.com>
 852
 853         * mf-hooks.c (alloca): Separate into stub.
 854         (__mf_wrap_alloca_indirect): New function.  Use CALL_REAL
 855         malloc/free for alloca blocks.
 856         (pthread_create): Tolerate failing pthread_attr_get* calls.
 857         * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
 858         * mf-impl.h (CALL_WRAP): Remove macro.
 859         * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
 860         * testsuite/libmudflap.c/pass23-frag.c: Include more struct
 861         padding for ia64 BIT_FIELD_REF constructs.
 862
 863 2003-06-19  Frank Ch. Eigler  <fche@redhat.com>
 864
 865         * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
 866         (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
 867         libmudflap object type.
 868         * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
 869         crashes on unregistering STATIC objects.
 870
 871 2003-06-17  Frank Ch. Eigler  <fche@redhat.com>
 872
 873         Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
 874         * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
 875         (time, strerror, fopen, fopen64, fclose, fread): New hooks.
 876         (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
 877         (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
 878         (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
 879         (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
 880         (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
 881         (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
 882         (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
 883         (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
 884         (accept, bind, connect, gethostname, sethostname): New hooks.
 885         (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
 886         (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
 887         (semop, semctl, shmctl, shmat, shmdt): New hooks.
 888         * mf-runtime.h.in: Corresponding changes.
 889         * mf-runtime.c (__mf_ini): Register stdio objects.  Use STATIC type.
 890         (opts) Rename heur_argv_environ to heur_std_data.
 891         (__mf_wrap_main): Use STATIC type for argv/environ strings.
 892         * Makefile.am: Corresponding changes.
 893         * Makefile.in: Regenerated.
 894
 895 2003-06-11  Frank Ch. Eigler  <fche@redhat.com>
 896
 897         * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
 898         heuristic for threaded case, and for non-x86-linux targets.
 899         * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
 900         for use during pre-main() program startup.
 901         (__mf_0fn_*): Make these functions non-static.
 902         * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
 903         functions.
 904         * mf-runtime.c (__mf_state): Set initial state to "starting".
 905         (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
 906         (__wrap_main): New function to register argv[] and environ[] strings.
 907         (__mf_ini): Call it.
 908         (*): In all trace functions, use "%p" as formatter for uintptr_t.
 909
 910         * testsuite/libmudflap.c/pass38-frag.c: New test case.
 911         * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
 912
 913         * acinclude.m4: Add comments with aoliva's concerns about x86_64
 914         pass_all.
 915         * aclocal.m4, configure: Regenerated.
 916
 917 2003-06-04  Frank Ch. Eigler  <fche@redhat.com>
 918
 919         * acinclude.m4: Correct typo in AC_MSG_CHECKING.
 920         * aclocal.m4, configure: Regenerated.
 921
 922 2003-06-03  Frank Ch. Eigler  <fche@redhat.com>
 923
 924         * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
 925         for x86_64 target.  Disable caching for this value.
 926         * aclocal.m4, configure: Regenerated.
 927
 928 2003-06-02  Frank Ch. Eigler  <fche@redhat.com>
 929
 930         * testsuite/libmudflap.c/pass38-frag.c: Deleted.  -fwritable-strings
 931         is about to become deprecated, and its present handling bugs are
 932         unworthy of fixing.
 933
 934 2003-05-30  Frank Ch. Eigler  <fche@redhat.com>
 935
 936         * testsuite/libmudflap.c/pass38-frag.c: New test for
 937         -fwritable-strings.
 938
 939 2003-05-23  Frank Ch. Eigler  <fche@redhat.com>
 940
 941         * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
 942         __mf_report, asserting reentrant calling context.
 943
 944 2003-05-23  Frank Ch. Eigler  <fche@redhat.com>
 945
 946         * mf-hooks.c (realloc): Correct reentrancy logic.
 947         * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
 948
 949 2003-05-20  Frank Ch. Eigler  <fche@redhat.com>
 950
 951         * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
 952         PTHREAD_THREADS_MAX.  Update users.
 953         * mf-runtime.c (__mf_usage): Print [active] instead of [default]
 954         for active options.
 955         * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
 956         with libmudflapth presence indicator.
 957         * testsuite/Makefile.in: Regenerated.
 958
 959 2003-05-16  Frank Ch. Eigler  <fche@redhat.com>
 960
 961         * Makefile.am (AM_CFLAGS): Remove "-ansi".
 962         * configure.in: Remove silly no-pthreads => no-shared logic.
 963         * Makefile.in, configure: Regenerated.
 964         * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
 965         * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
 966         code.  Count reentrancy events.
 967         (all hook functions): Don't directly manipulate __mf_state variable.
 968         Add TRACE calls to hook functions without them.
 969         * mf-impl.h (LOCKTH): Try to count lock contention events.
 970         (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
 971         * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
 972         Reorganize reentrancy code.
 973         (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
 974         identify reentrancy with mutex holding times.
 975         (internal __mfu_ entry points): Remove internal reentrancy code.
 976         (__mf_init): Use ordinary locked calls.
 977         (__mfu_report): Print the two new counts.
 978         * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
 979         * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
 980         * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
 981         * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
 982         option defaults.
 983
 984 2003-05-09  Frank Ch. Eigler  <fche@redhat.com>
 985
 986         * configure.in: Add pthread support, plus glibc and porting hacks.
 987         * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
 988         from objects built into ./pth/.
 989         * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
 990         functions for internal entry points.  Update callers to pick
 991         locked vs. unlocked variants.
 992         (__mf_resolve_single_dynamic): Extend to support symbol versioning
 993         info coming in from a static data structure.
 994         (*): Reorder miscellaneous declarations to group data vs functions.
 995         (__mf_set_default_options): Simplify.
 996         (__mf_usage): Mention threading status of host executable.
 997         * mf-impl.h: Move max/min decls here.  Reorganize __mf_dynamic
 998         decls to match above.
 999         (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
1000         * mf-heuristics.c: Choose between locked/unlocked calls.  Add
1001         some lock/unlock markers.  Remove some unused code.
1002         * mf-hooks: Ditto.
1003         (pthread_create): New hook function.
1004         (__mf_pthread_cleanup, _spawner): New helper functions.
1005         * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
1006
1007 2003-05-02  Frank Ch. Eigler  <fche@redhat.com>
1008
1009         * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
1010
1011 2002-04-28  Frank Ch. Eigler  <fche@redhat.com>
1012
1013         * Makefile.am (HOOKOBJS): Add *time related hooks.
1014         * configure.in: Look for pthreads.h header.
1015         * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
1016         * mf-runtime.c: Begin sketching some pthreads support.
1017         (__mf_usage): Check for -lpthread presence.
1018         (__mf_unregister): Confirm matching unregistration base.
1019         (__mf_find_objects_rec): Reduce unnecessary recursion.
1020         * mf-runtime.h.in: Add "nothrow" attribute to functions.  Add
1021         #defines for new hook functions.
1022         * mf-impl.h: Corresponding changes.
1023         * config.h.in, configure, Makefile.in: Regenerated.
1024
1025 2002-04-27  Diego Novillo  <dnovillo@redhat.com>
1026
1027         * testsuite/libmudflap.c/fail1-frag.c: Add volatile
1028         modifiers to prevent being optimized away.
1029         * testsuite/libmudflap.c/fail10-frag.c: Likewise.
1030         * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1031         * testsuite/libmudflap.c/fail14-frag.c: Likewise.
1032         * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1033         * testsuite/libmudflap.c/fail2-frag.c: Likewise.
1034         * testsuite/libmudflap.c/fail20-frag.c: Likewise.
1035         * testsuite/libmudflap.c/fail3-frag.c: Likewise.
1036
1037 2003-04-15  Frank Ch. Eigler  <fche@redhat.com>
1038
1039         * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1040         * configure.in: Look for uintptr_t and -ldl on target.
1041         * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1042         * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1043         * testsuite/Makefile.in: Regenerated.
1044         * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1045         for better C compliance.
1046
1047 2003-04-15  Frank Ch. Eigler  <fche@redhat.com>
1048
1049         * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1050         prevention code.
1051         * mf-runtime.c (__mf_set_default_options): Turn off
1052         check-initialization.
1053         (__mf_describe_object): Shorten description.
1054         * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1055
1056 2003-04-07  Frank Ch. Eigler  <fche@redhat.com>
1057
1058         * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1059
1060 2003-04-02  Frank Ch. Eigler  <fche@redhat.com>
1061
1062         * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1063         calls specially.
1064         (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1065         * mf-impl.h (CALL_BACKUP): New macros.
1066         * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1067
1068 2003-03-31  Frank Ch. Eigler  <fche@redhat.com>
1069
1070         * Makefile.am (AM_CFLAGS): Remove optimization flags.
1071         (HOOKOBJS): Remove dlopen hook.
1072         (libmudflap_la_LIBADD): Add -ldl.
1073         * mf-hooks.c (dlopen): Remove hook.
1074         * mf-impl.h (__mf_dynamic): Ditto.
1075         * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1076         * Makefile.in: Regenerated.
1077
1078 2003-03-28  Frank Ch. Eigler  <fche@redhat.com>
1079
1080         * configure.in: Check for target gettimeofday, signal, some headers.
1081         * mf-impl.h (__mf_opts): Add new "sigusr1_report" field.  Comment
1082         out inop multi_threaded field.
1083         * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1084         (__mf_set_options): Correct handling of "-help".
1085         (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1086         (__mf_check, __mf_register, __mf_unregister): Call it.
1087         (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1088         (__mf_report_leaks): Make callable
1089         (__mf_tree_analyze): Traverse in-order.  Accumulate address bit
1090         distribution statistics.
1091         (__mf_adapt_cache): Rewrite shift guessing logic based on address
1092         bit distributions.
1093         * config.h.in, configure: Regenerated.
1094         * testsuite/libmudflap.c/fail27-frag.c: New test.
1095         * testsuite/libmudflap.c/pass36-frag.c: New test.
1096
1097 2003-03-11  Frank Ch. Eigler  <fche@redhat.com>
1098
1099         * mf-runtime.h.in: Tweak.
1100         * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1101         Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1102         * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1103
1104 2003-03-10  Frank Ch. Eigler  <fche@redhat.com>
1105
1106         * configure.in: Tweak generation of mf-runtime.h some more.  It
1107         needs to work from both config.status and configure.
1108         * configure: Regenerated.
1109
1110 2003-03-10  Frank Ch. Eigler  <fche@redhat.com>
1111
1112         * Makefile.am: Reorganize hook file building.  Add auto dependencies.
1113         * configure.in: Tweak generation of mf-runtime.h.
1114         * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1115         * mf-hooks.c (*): Adapt to initialized-heap object type.
1116         * mf-impl.h: Tweak cemetary boundaries.
1117         * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1118         type.
1119         (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1120         (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1121         * testsuite/lib/libmudflap.exp (includes): Include build tree.
1122         * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1123         checking.
1124         * testsuite/.../fail{25,26}-frag.c: New tests.
1125         * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1126         * Makefile.in, configure: Regenerated.
1127
1128 2003-03-05  Frank Ch. Eigler  <fche@redhat.com>
1129
1130         * mf-runtime.c (__mf_set_default_options): Turn on initialization
1131         checking by default.
1132         (__mf_insert_new_object): As a temporary hack, assume that new
1133         objects registered on the stack start out initialized.
1134         * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1135         heap objects by hand.
1136
1137 2003-03-05  Frank Ch. Eigler  <fche@redhat.com>
1138
1139         Switch to macro-style hooks for str*/mem*/b* functions.
1140         * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1141         (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1142         * mf-runtime.c: #include config.h to enable glibc backtraces again.
1143         (__mf_set_default_options): Turn off heur_proc_map.
1144         (*): Adapt to to macro-style hook functions.
1145         (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1146         (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1147         (__mf_violation): Handle __MF_VIOL_WATCH.
1148         * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1149         (__mf_dynamic): Removed mem*/str*/b* functions.
1150         (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1151         (WRAPPER2): New macro for macro-style hooks.
1152         * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1153         macro-style hooks.
1154         (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1155         * mf-heuristics.c: Adapt to macro-style hook functions.
1156         Correct some comments.
1157         * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1158         output pattern tests.
1159         * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1160         * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1161
1162 2003-02-28  Frank Ch. Eigler  <fche@redhat.com>
1163
1164         * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1165         for global array registration.
1166         * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1167         * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1168
1169 2003-02-27  Frank Ch. Eigler  <fche@redhat.com>
1170
1171         * Makefile.am: Add gross make bug workarounds.  Tweaked
1172         SUBDIRS and AM_CFLAGS.
1173         * Makefile.in: Regenerated.
1174
1175 2003-02-26  Frank Ch. Eigler  <fche@redhat.com>
1176
1177         Switch to dejagnu.
1178         * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1179         * Makefile.am (TESTS): Remove simple automake testing.
1180         * configure, Makefile.in: Regenerated.
1181         (SUBDIRS): Include new testsuite/ directory.
1182         * tests/*: Removed all files; moved bulk under:
1183         * testsuite/*: New subdirectory tree.
1184         * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1185         * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1186         * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1187         * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1188         * testsuite/config/default.exp: New file.
1189         * testsuite/Makefile.am, Makefile.in: New files.
1190
1191 2003-01-29  Frank Ch. Eigler  <fche@redhat.com>
1192
1193         * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1194         (TESTS): Add fail22 and pass29 tests.
1195         * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1196         Add new access-type parameter for __mf_check.  Move __MF_VIOL* out.
1197         * mf-impl.h: Corresponding changes.  Update CLAMP* macros for void*
1198         values.  Move __MF_VIOL* here.
1199         * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1200         (check_initialization): New field in __mf_opts.  Default off.
1201         (read_count,write_count): New fields in __mf_object.
1202         (__mf_check): Implement basic initialization checking.
1203         (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1204         (__mf_describe_object): Print new fields.
1205         (__mf_violation): Identify check/read vs. check/write in messages.
1206         * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1207         "-check-initialized" mudflap option.
1208         * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1209         * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1210         Drop __FILE__/__LINE__ hack.  Update callers.
1211         (*): Adapt to new mf-runtime.h API.
1212         * Makefile.in: regenerated.
1213
1214 2003-01-24  Frank Ch. Eigler  <fche@redhat.com>
1215
1216         * configure.in: Build mf-runtime.h a more proper way.
1217         * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1218         * mf-runtime.c (verbose_violations): Turn on by default.
1219         * mf-runtime.h.in: Remove some miscellaneous stuff ...
1220         * mf-impl.h: ... and move it here.
1221         * configure: Regenerated.
1222
1223 2003-01-22  Frank Ch. Eigler  <fche@redhat.com>
1224
1225         * configure.in: Look for C++ compiler.
1226         * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1227         fixed type warnings when built with C++.
1228         * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1229         * Makefile.am (TESTS): Run them.
1230         (*) Add new rules for building and running C++ tests.
1231         (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1232         * mf-runtime.h.in: Protect with extern "C".
1233         * Makefile, configure: Regenerated.
1234
1235 2003-01-06  Frank Ch. Eigler  <fche@redhat.com>
1236
1237         Portability improvements.
1238         * configure.in: Look for glibc backtrace headers/functions.
1239         * mf-hooks.c: Don't include <execinfo.h> any more.
1240         * mf-runtime.c (__mf_set_options): Call more stdlib functions
1241         via CALL_REAL.
1242         (__mf_backtrace): Provide alternate baby implementation in
1243         absence of glibc.
1244         * test/mf-driver.c: Portability tweaks.
1245         * acinclude.m4: New file, containing top level libtool.m4.
1246         * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1247
1248 2002-12-19  Frank Ch. Eigler  <fche@redhat.com>
1249
1250         * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1251
1252 2002-11-08  Frank Ch. Eigler  <fche@redhat.com>
1253
1254         * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1255         options.
1256         (__mf_unregister): Implement stack/heap object wiping.
1257         (__mf_set_options): Renamed from __mf_process_opts.
1258         (__mf_uncache_object): Change arg type, correct callers.
1259         * mf-impl.h: Corresponding changes.
1260         * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1261         * mf-runtime.h.in (__mf_set_options): Extend public API.
1262         * test/pass26-frag.c: New test for stack wiping.
1263         * Makefile.am (TESTS): Run it.
1264         * Makefile.in: Regenerated.
1265
1266 2002-11-07  Frank Ch. Eigler  <fche@redhat.com>
1267
1268         * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1269         * mf-runtime.c (__mf_object_t): Add watching_p field.
1270         (__mf_watch_or_not): New function to implement
1271         object watch flagging.
1272         (__mf_watch, __mf_unwatch): New wrappers for above.
1273         (__mf_check, __mf_describe_object): Handle objects with watching_p.
1274         (__mf_count_violation): Enlarge array.
1275         (__mf_uncache_object): Renamed from __mf_remove_old_object.  Don't
1276         unlink object.  Clear cache properly.
1277         (__mf_unregister): Unlink object explicitly before uncaching.
1278         * test/fail21-frag.c, pass25-frag.c: New tests.
1279         * Makefile.in, aclocal.m4: Regenerated.
1280
1281 2002-11-05  Frank Ch. Eigler  <fche@redhat.com>
1282
1283         * test/fail20-frag.c: New test for NULL pointer dereferencing.
1284         * Makefile.am (TESTS): Add it.
1285         * test/pass-stratcliff.c: Add decls of stpcpy.
1286         * configure.in: Test for <stdint.h>.  Generate mf-runtime.h in
1287         build tree from config.h and new file mf-runtime.h.in.
1288         * mf-runtime.h.in: Renamed from mf-runtime.h.  Tweak uintptr_t decl.
1289         * Makefile.in, configure, config.h.in: Regenerated.
1290         * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1291         * mf-runtime.c (options, __mf_set_default_options): Support new
1292         default "abbreviate" option.
1293         (__mf_object.description_epoch): New field.
1294         (__mf_describe_object): Conditionally abbreviate objects already
1295         displayed in current epoch.  Accept NULL input to increment epoch.
1296         (__mf_fini, __mf_ini): Reset description epoch.
1297         (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1298         that NULL pointer slot in lookup cache is invalidated.  Register a
1299         NOACCESS region around NULL.
1300         * mf-impl.h: Corresponding changes.
1301
1302 2002-10-16  Frank Ch. Eigler  <fche@redhat.com>
1303
1304         * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1305         * Makefile.am: Run them.  Install mf-runtime.h.
1306         * Makefile.in: Regenerated.
1307         * mf-hooks.c: Add some markers for more missing functions.
1308         * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1309         statistic to tune tune cache size (mask).
1310
1311 2002-10-01  Frank Ch. Eigler  <fche@redhat.com>
1312
1313         * test/pass23-frag.c: New test for bit_field_ref expressions.
1314         * Makefile.am, Makefile.in: Add new test.
1315         * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1316         (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1317         * mf-runtime.c (__mf_init): Register errno global.
1318         (__mf_find_object): Removed function.
1319         (__mf_check): Rewrite logic to support accesses across some
1320         contiguous but distinctly registered objects.
1321         (__mf_remove_old_object): Tolerate cache entries that span
1322         contiguous objects.
1323
1324 2002-09-30  Frank Ch. Eigler  <fche@redhat.com>
1325
1326         * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1327         * Makefile.am, Makefile.in: Run new tests.
1328         * mf-hooks.c (alloca): Correct stack direction logic.
1329
1330 2002-09-26  Frank Ch. Eigler  <fche@redhat.com>
1331
1332         * mf-impl.h (adapt_cache): New option.
1333         * mf-runtime.c (__mf_set_default_options): Set its default value.
1334         Tweak the tree_aging parameter down.
1335         (__mf_check): Maintain separate counter for cache-adaptation.
1336         (__mf_tree_analyze): New function to collect object tree stats.
1337         (__mf_adapt_cache): New function to automate cache parameters.
1338
1339 2002-09-24  Frank Ch. Eigler  <fche@redhat.com>
1340
1341         * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1342         hypothetical #if-0'd argv/envp region registration.
1343         * mf-runtime.c (__mf_init): Add kludged form of above.
1344         (*) Add "heur_argv_environ" flag, default on, to govern this.
1345         * mf-impl.h: Corresponding changes.
1346
1347 2002-09-20  Frank Ch. Eigler  <fche@redhat.com>
1348
1349         * test/fail18-frag.c: New test file for NOACCESS regions.
1350         * Makefile.am (TESTS): Add new test.
1351         * Makefile.in: Regenerated.
1352
1353         * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1354         * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1355         (optimize_object_tree): Remove unused mudflap_option.
1356         * mf-runtime.h (__MF_TYPE_NOACCESS): New region type.  Add printing
1357         support throughout.  Use .._MAX_CEM for cemetary upper bound.
1358         * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1359         regions.
1360         (__mf_object): Add new liveness field for use by tree aging.
1361         (__mf_check): Trigger tree aging when needed.
1362         (__mf_age_tree): New function to decay liveness field.
1363         (__mf_find_objects_rec): Use liveness field to rotate tree.
1364         (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1365         (__mf_unregister): Ditto.
1366         (__mf_register): Tweak duplicate-static message.
1367         (__mf_violation: Tweak nearby-object counter printing.
1368
1369 2002-09-16  Frank Ch. Eigler  <fche@redhat.com>
1370
1371         * test/pass20-frag.c: New test file.
1372         * Makefile.am (TESTS): Reorganize.  Add pass20 test.
1373         * Makefile.in: Regenerated.
1374
1375         * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros.  Update callers.
1376         * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1377         * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1378         entries to avoid repeat registration.
1379         * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1380         (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1381
1382 2002-09-09  Frank Ch. Eigler  <fche@redhat.com>
1383
1384         * Makefile.am: Create test sources with #include, not cat>>.
1385         * Makefile.in: Regenerated.
1386         * test/buildtest.sh: Removed.
1387         * test/driver.c (abort_handler, main): Be quiet.
1388
1389 2002-09-06  Frank Ch. Eigler  <fche@redhat.com>
1390
1391         * test/pass18-frag.c, pass19-frag.c: New tests.
1392         * Makefile.am (check): Run them.  Rebuild test programs each time.
1393         * Makefile.in: Regenerated.
1394
1395 2002-09-06  Frank Ch. Eigler  <fche@redhat.com>
1396
1397         * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1398         overlapping object search.
1399         (__mf_violation): Likewise for nearby objects.
1400         Improve nearby-object listing.
1401
1402         cleanup:
1403         * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1404         * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1405
1406 2002-09-03  Frank Ch. Eigler  <fche@redhat.com>
1407
1408         alloca support:
1409         * Makefile.am (AM_CFLAGS): New definition of needed settings.
1410         (HOOKOBJS): Add alloca-hook.o.
1411         * mf-hooks.c (alloca): New function to implement alloca in libiberty
1412         style.
1413         * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1414         (__mf_backtrace): Reimplement without using alloca.
1415         * Makefile.in: Regenerated.
1416
1417         cleanup:
1418         * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1419         Correct signedness bugs in length-tracking variables.
1420         * mf-impl.h: Make options unsigned.
1421         (CALL_WRAP): New macro to parallel CALL_REAL().
1422         (DECLARE): Remove erroneous ";" at end.
1423         * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1424         formatting specs with %08lx.  Correct several compiler warnings.
1425
1426 2002-08-28  Frank Ch. Eigler  <fche@redhat.com>
1427
1428         * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1429
1430 2002-08-27  Frank Ch. Eigler  <fche@redhat.com>
1431
1432         libmudflap hook breakup:
1433         * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1434         for libgcc_s.
1435         (TESTS): Make dependent on libmudflap.
1436         (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1437         compiled from segments of mf-hooks.c.
1438         * mf-hooks.c: Corresponding changes: wrap each function in
1439         #ifdef/#endif.
1440         * Makefile.in: Regenerated.
1441
1442         Heuristics reorganization:
1443         * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1444         Remove these functions.  Update callers.
1445         (__mf_heuristic_check): Incorporate all the various heuristics.
1446         Encode cacheability/retry judgement into trinary return value.
1447         Separate start-end logic into a separate fallback heuristic.  Only
1448         register relevant /proc/self/map segments.
1449         * mf-impl.h: Corresponding changes.
1450         * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1451         (__mf_init): Don't call __mf_init_heuristics.
1452
1453         Tracing cleanup:
1454         * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1455         "-verbose-trace" to emit all tracing messages other than those of
1456         basic public api.  Eliminate some duplicate/excessive messages.
1457         * mf-runtime.h: Corresponding changes.
1458
1459 2002-08-27  Graydon Hoare  <graydon@redhat.com>
1460
1461         * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1462         and __real when compiled with -DPIC.
1463         * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1464         * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1465         * Makefile.in: Regenerate.
1466
1467 2002-08-26  Graydon Hoare  <graydon@redhat.com>
1468
1469         * mf-impl.h: New file, private implementation header.
1470         * mf-runtime.h: Reorganize a bit.
1471         (CLAMPSZ): Fix arithmetic.
1472         (__MF_CACHE_MISS_P): Fix arithmetic.
1473         * mf-runtime.c: Reorganize a bit.
1474         (__mf_dynamic): New structure.
1475         (resolve_single_dynamic): New function.
1476         (__mf_resolve_dynamics): New function.
1477         (__mf_init): Initialize dynamic wrappers.
1478         * mf-hooks.c: Macro-ize __real calls.
1479         Clamp various bits of arithmetic.
1480         Add explicit __mf_check call contexts.
1481         * Makefile.am: Add dependencies on mf-impl.h
1482         * Makefile.in: Regenerate.
1483         * configure.in: Comment out shared override.
1484         * configure: Regenerate.
1485
1486 2002-08-22  Graydon Hoare  <graydon@redhat.com>
1487
1488         * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1489         (__mf_check): Re-inialize and check heuristics before violation.
1490         (__mf_register): Permit updating pure-guess regions.
1491         * mf-hooks.c (__wrap_free): Correct some free queue logic.
1492         (__wrap_dlopen): New wrapper function.
1493         (__wrap_mmap): New wrapper function.
1494         (__wrap_munmap): New wrapper function.
1495         * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1496         which are not stack addresses.
1497         (is_stack_address): New function.
1498         (__mf_init_heuristics): Save and restore state, always initialize with
1499         "starting" state.
1500
1501 2002-08-21  Frank Ch. Eigler  <fche@redhat.com>
1502
1503         * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1504         error.  Pass location string.
1505         (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1506         * mf-runtime.c (options): Add lc-mask, lc-shift options.
1507         (__mf_process_opts): Apply some sanity checking for lc-mask.
1508         (__mf_check, __mf_violation): Take new location-string argument.
1509         Update callers to pass NULL if necessary.
1510         (__mf_backtrace): New smart backtracer function.  Calls replace
1511         several ad-hoc blocks elsewhere.
1512         (__mf_describe_object): Remove bad reentrancy test.  Improve
1513         tracing message.
1514         * mf-runtime.h: Corresponding changes.  Public/private markup.
1515         (__MF_CACHE_MISS_P): New macro.
1516
1517 2002-08-20  Graydon Hoare  <graydon@redhat.com>
1518
1519         * mf-runtime.h: New option: stack_bound (heuristic).
1520         Move some macros out of implementation files.
1521         * mf-runtime.c: New option string: -stack-bound.
1522         Unify recursion protection with hooks.
1523         Add more logging.
1524         (__mf_check): Call __mf_heuristic_check.
1525         (__mf_process_opts): Fix "no-" processing.
1526         * mf-heuristics.c (__mf_heuristic_check): New function.
1527         * mf-hooks.c: Much off-by-one fixing, recursion protection.
1528
1529 2002-08-20  Frank Ch. Eigler  <fche@redhat.com>
1530
1531         Option parsing improvements, region splitting bug fixes:
1532         * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1533         * mf-runtime.h (heur_proc_map): New libmudflap option.
1534         * mf-runtime.c (__mf_set_default_options): Set it.
1535         (__mf_usage): Print default values/status.
1536         (__mf_process_opts): Support general "no-" option string prefix.
1537         (__mf_init): Print __mf_usage on unknown-option error.
1538         (__mf_register): Print trace message up front.
1539         Correct region splitting logic for case where a subregion disappears.
1540         Correct memory leak.
1541         (__mf_violation): Make even basic message conditional on option.
1542
1543         Build cleanup:
1544         * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1545         (clean-local): New target.
1546         (test/*x rules): Add -g CFLAGS.
1547         (CFLAGS): Add -freorder-blocks.
1548         (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1549         * Makefile.in: Regenerated.
1550         * Makefile, mf-config.h: Removed files.
1551
1552 2002-08-16  Graydon Hoare  <graydon@redhat.com>
1553
1554         * mf-runtime.c (__mf_insert_new_object): Factor out of
1555         __mf_register.
1556         (__mf_remove_old_object): Factor out of __mf_unregister.
1557         (__mf_register): Handle guessed regions, splitting
1558         guesses when new registrations arrive.
1559         (__mf_unregister): Do not unregister guesses.
1560         * mf-runtime.h: Move convenience macros around,
1561         declare new option fields. Add __MF_TYPE_GUESS.
1562         * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1563         (__wrap_free): Call __real_free for deferred frees.
1564         * Makefile.am: Add more tests, fix dependency.
1565         * Makefile.in: Regenerate.
1566         * test/pass[13..17]-frag.c: New testcases.
1567         * test/fail[13..17]-frag.c: New testcases.
1568
1569 2002-08-15  Graydon Hoare  <graydon@redhat.com>
1570
1571         * mf-heuristics.c: New file.
1572         * mf-runtime.c (options): Add -trace-calls option.
1573         (__mf_init): Call __mf_init_heuristics.
1574
1575 2002-08-14  Graydon Hoare  <graydon@redhat.com>
1576
1577         * Makefile.am (TESTS): Add testsuite support.
1578         * Makefile.in: Regenerate.
1579         * test/mf-driver.c: New file.
1580         * test/buildtest.sh: New file.
1581         * test/passNN-frag.c: New testcases.
1582         * test/failNN-frag.c: New testcases.
1583
1584 2002-08-14  Graydon Hoare  <graydon@redhat.com>
1585
1586         * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1587         verifying non-size-limited string extents.
1588
1589 2002-08-14  Frank Ch. Eigler  <fche@redhat.com>
1590
1591         * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1592         instead of plain str[n]len for internal checks.
1593         * mf-runtime.c (__mf_violation): Print optional stack traceback.
1594
1595 2002-08-14  Frank Ch. Eigler  <fche@redhat.com>
1596
1597         * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1598
1599 2002-08-13  Graydon Hoare  <graydon@redhat.com>
1600
1601         * mf-runtime.c: Rework configuration to operate on
1602         environment variable options rather than #defines
1603         (__mf_violation): Add simple fork-a-gdb violaiton mode.
1604         (__mf_init): Set static __mf_active_p flag on startup,
1605         to inhibit mudflap wrap-based checking during crt0.s.
1606         * mf-runtime.h: Declare options structure.
1607         * mf-hooks.c: New wrappings for mem*, b*, str*
1608         libc functions (temporarily #if 0-ed out).
1609
1610 2002-08-12  Frank Ch. Eigler  <fche@redhat.com>
1611
1612         * Makefile.am, configure.in: New files.
1613         * Makefile.in, Makefile, configure, config.h.in: New generated files.
1614         * stamp-h.in, aclocal.m4: Ditto.
1615
1616 2002-08-08  Frank Ch. Eigler  <fche@redhat.com>
1617
1618         * Makefile: New file.
1619         * mf-config.h: New file: runtime configuration.
1620         * mf-hooks.c: New file: interposed libc functions.
1621         * mf-runtime.c: New file: bulk of runtime.
1622         * mf-runtime.h: New file: public functions.