libmudflap/ChangeLog

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