libmudflap/ChangeLog

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