libmudflap/ChangeLog

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