libmudflap/ChangeLog

   1 2007-06-02  Paolo Bonzini  <bonzini@gnu.org>
   2
   3         * configure: Regenerate.
   4
   5 2007-05-31  Frank Ch. Eigler  <fche@redhat.com>
   6
   7         From Andi Kleen <ak@suse.de>:
   8         * mf-runtime.c (options): Rename structure for compatibility with
   9         glibc getopt_long.
  10
  11 2007-05-23  Steve Ellcey  <sje@cup.hp.com>
  12
  13         * Makefile.in: Regenerate.
  14         * configure: Regenerate.
  15         * aclocal.m4: Regenerate.
  16         * testsuite/Makefile.in: Regenerate.
  17
  18 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
  19
  20         * testsuite/libmudflap.cth/pass59-frag.c (main): Fix casting of arg.
  21
  22 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
  23
  24         * Makefile.am: Add dummy install-pdf target.
  25         * Makefile.in: Regenerate
  26
  27 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
  28
  29         PR libgomp/28468
  30         * configure: Regenerate.
  31
  32 2006-12-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
  33
  34         * configure: Regenerate.
  35
  36 2006-11-13  Daniel Jacobowitz  <dan@codesourcery.com>
  37
  38         * configure: Regenerated.
  39
  40 2006-11-10  Frank Ch. Eigler  <fche@redhat.com>
  41
  42         PR libmudflap/28578
  43         * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
  44         static but not function scope static.
  45         (free): Skip deallocation attempts for objects placed into
  46         bootstrap buffers.
  47         * testsuite/libmudflap.cth/pass59-frag.c: New test.
  48
  49 2006-11-06  Frank Ch. Eigler  <fche@redhat.com>
  50
  51         From Herman ten Brugge <hermantenbrugge@home.nl>:
  52         * mf-runtime.c (__mf_uncache_object): Optimize the code so that
  53         small and large objects are handled a lot faster.
  54
  55 2006-11-06  Frank Ch. Eigler  <fche@redhat.com>
  56
  57         * configure.ac (__libc_freeres): Look for it.
  58         * mf-impl.h (call_libc_freeres): New configuration flag.
  59         * mf-runtime.c (__mf_set_default_options): Set it by default.
  60         (__mfu_report): Call it if needed.
  61         (__mfu_unregister): Remove "unaccessed registered object" warning.
  62         * configure, config.h.in: Regenerated.
  63
  64 2006-09-18  Tom Tromey  <tromey@redhat.com>
  65
  66         * configure: Rebuilt.
  67
  68 2006-06-21  Frank Ch. Eigler  <fche@redhat.com>
  69
  70         PR 21274
  71         mf-runtime.h installation based on ssp patch for PR 26473 from
  72         Mark Mitchell  <mark@codesourcery.com>.
  73         * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
  74         * Makefile.am (target_noncanonical): Define.
  75         (libsubincludedir): New variable.
  76         (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
  77         (include_HEADERS): Remove.
  78         * configure, aclocal.m4, config.h.in: Regenerated.
  79         * Makefile.in, testsuite/Makefile.in: Likewise.
  80         * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
  81         and _THREAD_SAFE redefinition values.
  82
  83 2006-05-23  Carlos O'Donell  <carlos@codesourcery.com>
  84
  85         * Makefile.am: Add install-html target. Add install-html to .PHONY
  86         * Makefile.in: Regenerate.
  87
  88 2006-04-19  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
  89
  90         PR mudflap/26789
  91         * testsuite/libmudflap.c++/error1-frag.cxx: New test.
  92
  93         PR mudflap/26790
  94         * testsuite/libmudflap.c++/error2-frag.cxx: New test.
  95
  96 2006-04-10  Matthias Klose  <doko@debian.org>
  97
  98         * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
  99         directory names containing underscores.
 100
 101 2005-11-22  Janis Johnson  <janis187@us.ibm.com>
 102
 103         * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
 104         MUDFLAP_FLAGS if static library not supported.
 105         * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
 106         * testsuite/libmudflap.c/externs.exp: Ditto.
 107         * testsuite/libmudflap.c++/ctors.exp: Ditto.
 108         * testsuite/libmudflap.c++/c++frags.exp: Ditto.
 109         * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
 110
 111 2005-10-04  James E Wilson  <wilson@specifix.com>
 112
 113         * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
 114         $name as array of characters with unknown bound.  Also store into the
 115         array.
 116         * configure: Regenerate.
 117
 118 2005-09-30  James E. Wilson  <wilson@specifix.com>
 119
 120         * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
 121         AC_CHECK_HEADER.
 122         (target_thread_file): New.  Set from sed'ed gcc output.
 123         (posix_threads): New.  Set from target_thread_file.  Use instead of
 124         ac_have_pthread_h.
 125         (pthread_create_version): Move initialization before code using it.
 126         * configure: Regenerate.
 127
 128         * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
 129         bounds.
 130
 131 2005-09-29  James E. Wilson  <wilson@specifix.com>
 132
 133         * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
 134         with HAVE_MMAP ifdef.
 135
 136 2005-09-23  Frank Ch. Eigler  <fche@elastic.org>
 137
 138         PR 23084.
 139         * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
 140
 141 2005-09-23  Frank Ch. Eigler  <fche@elastic.org>
 142
 143         * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
 144
 145 2005-09-23  Tom Tromey  <tromey@redhat.com>
 146
 147         * aclocal.m4, configure: Rebuilt.
 148         * configure.ac: Use GCC_CHECK_TLS.
 149         * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
 150         to ../config.
 151
 152 2005-08-22  Jim Wilson  <wilson@specifix.com>
 153
 154         * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
 155         __FreeBSD__ is defined.
 156
 157 2005-08-17  Jim Wilson  <wilson@specifix.com>
 158
 159         * mf-hooks1.c (malloc, calloc, realloc, free,
 160         __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
 161         the real routines, and END_MALLOC_PROTECT afterwards.
 162         * mf-impl.h (enum __mf_state_enum): Expand comment.  Add in_malloc.
 163         (BEGIN_PROTECT): Handle in_malloc state.
 164         (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
 165         * testsuite/libmudflap.c/hook2-allocstuff.c: New.
 166
 167 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
 168
 169         * All files: Update FSF address.
 170
 171 2005-08-15  Ulrich Weigand  <weigand@informatik.uni-erlangen.de>
 172
 173         * mf-hooks3.c (main_seen_p): Remove.
 174         (__mf_get_state): Remove attempt to recognize the main thread.
 175
 176 2005-08-15  Maciej W. Rozycki  <macro@linux-mips.org>
 177
 178         * configure.ac: Test for the name of the symbol used for the entry
 179         point; define ENTRY_POINT to the result.
 180         * configure: Regenerate.
 181         * config.h.in: Regenerate.
 182         * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
 183
 184 2005-08-14  Ulrich Weigand  <weigand@informatik.uni-erlangen.de>
 185
 186         * mf-runtime.c (__mf_state_1): Initialize to reentrant.
 187         (__mf_init): Set thread state active.
 188         * mf-hooks3.c (__mf_pthread_spawner): Always set thread
 189         state active.
 190         (pthread_create wrapper): Always use thread spawner.
 191
 192         * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
 193         * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
 194
 195 2005-07-16  Richard Henderson  <rth@redhat.com>
 196
 197         * acinclude.m4: New file.
 198         * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
 199         * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
 200         * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
 201         (__mf_0fn_calloc): ... here.
 202         * mf-hooks3.c (struct pthread_info): Remove.
 203         (__mf_pthread_info, __mf_pthread_info_idx): Remove.
 204         (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
 205         (struct mf_thread_data): New.
 206         (mf_thread_data, mf_thread_data_lock): New.
 207         (__mf_allocate_blank_threadinfo): Remove.
 208         (__mf_find_threadinfo): Rewrite and simplify.  Only use if TLS is
 209         not available.
 210         (__mf_state_perthread): Remove.
 211         (__mf_get_state, __mf_set_state): New.
 212         (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
 213         Update mf_thread_data killing procedure.
 214         (__mf_pthread_spawner): Similarly.
 215         (__mf_0fn_pthread_create): Only use wrapper if necessary.  Remove
 216         code to allocate thread stack space.
 217         (__mf_0fn_pthread_join, pthread_join): Remove.
 218         (__mf_0fn_pthread_exit, pthread_exit): Remove.
 219         * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
 220         (__mf_state_1): Rename from __mf_state; use TLS when available.
 221         (__mf_get_state, __mf_set_state): New.  Update all users.
 222         * mf-runtime.c (begin_recursion_protect1): New.
 223         (BEGIN_RECURSION_PROTECT): Use it.
 224         (__mf_state_1): Rename from __mf_state; use TLS when available.
 225         (threads_active_p): Remove.
 226         (__mf_usage): Compute it directly.
 227
 228 2005-06-19  Ulrich Weigand  <uweigand@de.ibm.com>
 229
 230         * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
 231
 232 2005-06-15  Frank Ch. Eigler  <fche@redhat.com>
 233
 234         Fix for uncaching bug reported by Herman ten Brugge.
 235         * mf-runtime.c (__mf_uncache_object): Search whole cache.
 236         * testsuite/libmudflap.c/fail40-frag.c: New test.
 237
 238 2005-05-23  Alfred M. Szmidt  <ams@gnu.org>
 239
 240         PR libmudflap/21724
 241         * Makefile.am (AM_MAKEFLAGS): Pass includedir.
 242         * Makefile.in: Amend.
 243
 244 2005-06-14  Frank Ch. Eigler  <fche@redhat.com>
 245
 246         PR mudflap/21023
 247         * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
 248         * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
 249
 250 2005-06-14  Frank Ch. Eigler  <fche@redhat.com>
 251
 252         PR libmudflap/21094
 253         * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
 254
 255 2005-06-14  Frank Ch. Eigler  <fche@redhat.com>
 256
 257         PR mudflap/22064
 258         * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
 259         unsigned vars with #defines instead of enums.
 260
 261 2005-05-09  Mike Stump  <mrs@apple.com>
 262
 263         * configure: Regenerate.
 264
 265 2005-04-12  Mike Stump  <mrs@apple.com>
 266
 267         * configure: Regenerate.
 268
 269 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
 270
 271         PR mudflap/19266
 272         * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
 273         * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
 274
 275 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
 276
 277         * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
 278
 279 2005-03-31  Mike Stump  <mrs@apple.com>
 280
 281         * mf-runtime.h: Add libmudflap copyright clause.
 282
 283 2005-03-21  Mike Stump  <mrs@apple.com>
 284
 285         * mf-heuristics.c: Fix whitespace at end of line.
 286         * mf-hooks1.c: Likewise.
 287         * mf-hooks2.c: Likewise.
 288         * mf-hooks3.c: Likewise.
 289         * mf-impl.h: Likewise.
 290         * mf-runtime.c: Likewise.
 291         * mf-runtime.h: Likewise.
 292
 293 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
 294
 295         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
 296         In all substitutions, expand gcc_version in Makefile.
 297         * aclocal.m4, configure: Regenerate.
 298         * Makefile.am: Set gcc_version.
 299         * Makefile.in, testsuite/Makefile.in: Regenerate.
 300
 301 2005-03-17  Frank Ch. Eigler  <fche@redhat.com>
 302
 303         * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
 304         * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
 305
 306 2005-02-13  Frank Ch. Eigler  <fche@redhat.com>
 307
 308         PR mudflap/19319
 309         * testsuite/libmudflap.c++/pass55-frag.c: New test.
 310
 311 2005-01-05  Richard Henderson  <rth@redhat.com>
 312
 313         * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
 314
 315 2005-01-02  Greg McGary  <greg@mcgary.org>
 316
 317         * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
 318         * mf-runtime.h: New file, replaces mf-runtime.h.in.
 319         * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
 320         * Makefile.in: Ditto.
 321         * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
 322         * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
 323         * testsuite/libmudflap.c/fail36-frag.c: New test.
 324         * testsuite/libmudflap.c/fail37-frag.c: New test.
 325         * testsuite/libmudflap.c/fail38-frag.c: New test.
 326
 327 2004-12-08  Kelley Cook  <kcook@gcc.gnu.org>
 328
 329         * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
 330         * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
 331
 332 2004-12-02  Richard Sandiford  <rsandifo@redhat.com>
 333
 334         * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
 335         * aclocal.m4: Include ../config/gcc-version.m4.
 336         * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
 337
 338 2004-11-29  Kelley Cook  <kcook@gcc.gnu.org>
 339
 340         * Makefile.am: Define ACLOCAL_AMFLAGS.
 341         * acinclude.m4: Remove.
 342         * stamp-h.in: Remove superfluous stamp file.
 343         * aclocal.m4, configure, Makefile.in: Regenerate.
 344         * testsuite/Makefile.in: Likewise.
 345
 346 2004-11-24  Kelley Cook  <kcook@gcc.gnu.org>
 347
 348         * Makefile.am: Revert previous.
 349         * acinclude.m4: Restore.
 350         * aclocal.m4, configure, Makefile.in: Regenerate.
 351         * testsuite/Makefile.in: Likewise.
 352
 353 2004-11-24  Kelley Cook  <kcook@gcc.gnu.org>
 354
 355         * Makefile.am: Define ACLOCAL_AMFLAGS.
 356         * acinclude.m4: Remove.
 357         * aclocal.m4, configure, Makefile.in: Regenerate.
 358         * testsuite/Makefile.in: Likewise.
 359
 360 2004-11-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 361
 362         * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
 363
 364 2004-11-23  Kelley Cook  <kcook@gcc.gnu.org>
 365
 366         * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
 367         * testsuite/Makefile.in: Likewise.
 368
 369 2004-11-01  Andreas Schwab  <schwab@suse.de>
 370
 371         * configure.ac: (target_alias): Default to $host_alias, not
 372         $target.
 373         * configure: Regenerated.
 374
 375 2004-10-28  Frank Ch. Eigler  <fche@redhat.com>
 376
 377         * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
 378         * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
 379         message.
 380
 381 2004-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
 382
 383         PR other/18138
 384         * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
 385
 386 2004-10-12  Frank Ch. Eigler  <fche@redhat.com>
 387
 388         * configure.ac: Check for more headers, functions.
 389         * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
 390         tracking overridden FILE buffers.
 391         (fopen, setvbuf): New/revised hook functions for buffer overriding.
 392         (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
 393         (fflush): Accept given NULL stream (means "all streams").
 394         * mf-runtime.h.in:
 395         * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
 396         HEAP/GUESS objects.
 397         (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
 398         (__mf_adapt_cache): Use them all.
 399         * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
 400         * testsuite/libmudflap.c++/ctors.exp: Ditto.
 401         * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
 402         * configure, config.h.in: Regenerated.
 403
 404 2004-10-05  Frank Ch. Eigler  <fche@redhat.com>
 405
 406         * configure.ac: Checking for sys/socket.h once is enough.
 407         * configure: Regenerated.
 408
 409 2004-10-04  Frank Ch. Eigler  <fche@redhat.com>
 410
 411         * configure.ac: Look for more headers & functions.
 412         * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
 413         * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
 414         * mf-runtime.c (options): Clean up integer signedness warnings.
 415         (main): Add a declaration to fix a warning.
 416         * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
 417         * configure, config.h.in: Regenerated.
 418
 419 2004-10-02  Frank Ch. Eigler  <fche@redhat.com>
 420
 421         * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
 422         New tests for proper base/limit checking for aggregates.
 423
 424 2004-09-15  Joseph S. Myers  <jsm@polyomino.org.uk>
 425
 426         * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
 427
 428 2004-09-07  Frank Ch. Eigler  <fche@redhat.com>
 429
 430         * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
 431         * mf-hooks2.c (strerror): Unregister previous string returned by
 432         previous strerror.
 433         (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
 434         (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
 435         * mf-runtime.h.in: Add redefine_extname pragmas for them all.
 436         * mf-runtime.c (__mf_describe_object): Clarify object life status.
 437         * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
 438         New tests.
 439         * configure, config.h.in: Regenerated.
 440
 441 2004-08-03  Dale Johannesen  <dalej@apple.com>
 442
 443          * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
 444
 445 2004-08-03  Frank Ch. Eigler  <fche@redhat.com>
 446
 447         * mf-runtime.c (compare_uintptr_t): Remove function.  Inline
 448         simplified contents in all former callers.
 449
 450 2004-07-27  Ulrich Weigand  <weigand@informatik.uni-erlangen.de>
 451
 452         * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
 453         the statically linked case.
 454
 455 2004-07-27  Frank Ch. Eigler  <fche@redhat.com>
 456
 457         * splay-tree.[ch]: Remove.  Merge contents into ...
 458         * mf-runtime.c: ... here, renaming symbols and making all functions
 459         static.  Remove unused min/max functions.
 460         * Makefile.am: Forget about splay-tree.[ch].
 461         * Makefile.in, testsuite/Makefile.in: Regenerated.
 462
 463 2004-07-21  Frank Ch. Eigler  <fche@redhat.com>
 464
 465         * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
 466         (__mfu_usage): Include (C) 2004.
 467         * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
 468         here.  Include a comment explaining why.
 469
 470 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
 471
 472         * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
 473         * mf-runtime.c (options): Give them a name.
 474         (__mf_set_default_options): Set them.
 475         (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
 476         (__mf_violation): Warning cleanup.
 477         * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
 478         * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
 479
 480 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
 481
 482         g++/15861
 483         * mf-runtime.c (__mf_init): Make it non-static.  Tolerate
 484         repeated invocation.
 485
 486 2004-07-09  Frank Ch. Eigler  <fche@redhat.com>
 487
 488         Test case for g++/15861
 489         * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
 490         * testsuite/libmudflap.c++/ctors.exp: Driver.
 491         * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
 492         Look only for *frag* test cases.
 493
 494 2004-07-08  Frank Ch. Eigler  <fche@redhat.com>
 495
 496         ANSI C conversion, libmudflap specialization, recursion limiting.
 497         * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
 498         argument and indirection function pointers, update callers.
 499         (splay_tree_s): Add statistics and recursion control fields
 500         num_keys, max_depth, depth, rebalance_p.
 501         * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
 502         Back out of search if it exceeds limit.
 503         (splay_tree_splay): Manage recursion limiting with rebalancing as
 504         needed.
 505         (splay_tree_new): More initialization.
 506         (splay_tree_rebalance): New function.
 507         (splay_tree_foreach): Rewrite using nonrecursive logic.
 508         (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
 509         Remove.  Point indirect calls to mf-runtime.c's routines.
 510         (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
 511         functions.
 512         (splay_tree_delete, splay_tree_delete_helper): Ditto.
 513         * testsuite/heap-scalestress.c: New test based on one from
 514         Eyal Lebedinsky <eyal@eyal.emu.id.au>:
 515
 516 2004-07-05  Matthias Klose  <doko@debian.org>
 517
 518         * libtool-version: New.
 519         * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
 520         Use -version-info for soname.
 521         * Makefile.in: Regenerate.
 522         * configure.ac: Remove libtool_VERSION macro
 523         * configure: Regenerate
 524
 525 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
 526
 527         * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
 528         __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
 529         #ifndef _MUDFLAP.
 530
 531 2004-06-29  Frank Ch. Eigler  <fche@redhat.com>
 532
 533         Splay tree implementation fork.
 534         * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
 535         Use hard-coded comparison function for uintptr_t.  Remove key/value
 536         deallocation logic.  Cache last splayed key for consecutive lookups.
 537         * Makefile.am, Makefile.in: Use them, don't link to them.
 538         * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
 539         (__mf_find_objects2): Flip successor/predecessor search sequence.
 540         * ansidecl.h, libiberty.h: Removed dummy files.
 541
 542 2004-06-29  Nick Clifton  <nickc@redhat.com>
 543
 544         * configure.ac (AC_CHECK_HEADERS): Add dirent.h
 545         * configure: Regenerate.
 546         * mf-hooks2.c: Surround uses of dirent.h with #ifdef
 547         HAVE_DIRENT_H.
 548         Remove spurious inclusion of <strings.h>.
 549
 550 2004-06-29  Nick Clifton  <nickc@redhat.com>
 551
 552         * mf-runtime.c (pthread_join): Only apply the weak pragma if the
 553         function actually exists.
 554
 555 2004-06-25  Frank Ch. Eigler  <fche@redhat.com>
 556
 557         * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
 558         * config.h.in: Regenerated.
 559
 560 2004-06-24  Frank Ch. Eigler  <fche@redhat.com>
 561
 562         Adopt splay trees for object database.
 563         * Makefile.am: Copy splay-tree.* from libiberty.
 564         * Makefile.in, testsuite/Makefile.in: Regenerated.
 565         * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
 566         * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
 567         * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
 568         * mf-runtime.c: Rewrite code dealing with object database to use
 569         libiberty splay trees.  Remove tree liveness aging option.
 570         * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
 571
 572 2004-06-15  Paolo Bonzini  <bonzini@gnu.org>
 573
 574         * configure.ac: New name of configure.in.  Update
 575         AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
 576         AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
 577         Autoconf 2.5x and Automake 1.7 or later.
 578         * configure.in: Remove.
 579         * configure: Regenerate.
 580
 581         * Makefile.am: Remove useless multilib rules.
 582         * Makefile.in: Regenerate.
 583
 584 2004-06-15  Paolo Bonzini  <bonzini@gnu.org>
 585
 586         * .cvsignore: New file.
 587
 588 2004-06-10  Stephen Crowley  <stephen.crowley@sbcglobal.net>
 589
 590         PR libmudflap/13505
 591         * mf-hooks2.c (semctl): Add cygwin porting hack.
 592
 593 2004-06-09  Frank Ch. Eigler  <fche@redhat.com>
 594
 595         ctype support.
 596         * configure.in: Look for ctype header and glibc implementation.
 597         * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
 598         array hooks for glibc 2.3.
 599         * mf-runtime.h.in: Wrap them.
 600         * mf-runtime.c (__mf_init): Leave marker regarding other ctype
 601         implementations.
 602         * testsuite/libmudflap.c/pass47-frag.c: New test.
 603         * configure, config.h.in: Regenerated.
 604
 605 2004-06-04  Frank Ch. Eigler  <fche@redhat.com>
 606
 607         Portability improvements, e.g., libmudflap/15293.
 608         * configure.in: Look for glibc extension functions.  Look for
 609         support of -f{function,data}-sections.  Look for more headers.
 610         Create testsuite/mfconfig.exp.  Correct more "test x.." thinkos.
 611         * Makefile.am: Use $(SECTION_FLAGS).  Collapse piecemeal-compiled
 612         mf-hooks* into usual single object per source.
 613         * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
 614         * mf-hooks2.c: #include a bunch more system headers.  Define strnlen
 615         if system doesn't provide one.
 616         * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
 617         (pthread_create): Use it to properly GC dead thread stacks.
 618         * mf-runtime.c (__mf_violation): Correct snprintf type warning.
 619         * testsuite/Makefile.am: Stop generating site.exp.
 620         * testsuite/mfconfig.exp.in: New file.
 621         * testsuite/config/default.exp: Load new mfconfig.exp.
 622         * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
 623         (prune_gcc_output): Add glibc static linking warnings.
 624         * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
 625         * testsuite/libmudflap.c/pass46-frag.c: Ditto.
 626         * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
 627         Regenerated with autoconf 2.57 and automake 1.7.
 628
 629 2004-06-04  Per Bothner  <per@bothner.com>
 630
 631         * configure.in (LIBMUDFLAPTH):  Fix thinko.
 632
 633         * configure.in:  Check for more headers.
 634         * mf-hooks2.c:  Conditionalize on HAVE_SYS_SOCKET_H etc.
 635
 636         * mf-runtime.c:  In two places conditionalize on SIUSR1 rather than
 637         HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
 638
 639 2004-06-01  Andreas Jaeger  <aj@suse.de>
 640
 641         * configure.in: Handle multilibs, support
 642         --enable-version-specific-runtime-libs.
 643         * Makefile.am (lib_LTLIBRARIES): Rename to ...
 644         (toolexeclib_LTLIBRARIES): this for multilib support.
 645         * Makefile.in: Regenerated.
 646         * configure: Regenerated.
 647         * aclocal.m4: Regenerated.
 648         * config.h.in: Regenerated.
 649         * testsuite/Makefile.in: Regenerated.
 650
 651 2004-06-01  Andreas Jaeger  <aj@suse.de>
 652
 653         * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
 654         multilibs, using multilib directory instead of hardcoded path.
 655         Set LD_RUN_PATH.
 656
 657 2004-05-21  Frank Ch. Eigler  <fche@redhat.com>
 658
 659         * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
 660         * Makefile.in: Ditto.
 661
 662 2004-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
 663
 664         * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
 665         * aclocal.m4, configure: Rebuilt.
 666
 667 2004-05-17  Frank Ch. Eigler  <fche@redhat.com>
 668
 669         * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
 670         import some build settings from libstdc++-v3 testsuite_flags.
 671         * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
 672         changes to pass test language.
 673
 674         * mf-runtime.c (__mfu_check): Poison the cache with antidote for
 675         quicker mode-nop handling.
 676
 677 2004-03-25  Frank Ch. Eigler  <fche@redhat.com>
 678
 679         * mf-impl.h: Added libgcc license header.
 680
 681 2004-03-20  Frank Ch. Eigler  <fche@redhat.com>
 682
 683         * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
 684         Added libgcc license header.
 685         * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
 686         (pthread_create): Simplify stack allocation syntax.
 687
 688 2004-03-08  Loren J. Rittle  <ljrittle@acm.org>
 689
 690         * mf-hooks2.c: Support FreeBSD.
 691         (WRAP_gets): Avoid gets().
 692         * testsuite/libmudflap.c/pass-stratcliff.c: Do not
 693         test unimplemented mem/str calls on FreeBSD.
 694         * testsuite/libmudflap.c/pass21-frag.c: Do not include
 695         <alloca.h> on FreeBSD.
 696
 697 2004-01-30  Frank Ch. Eigler  <fche@redhat.com>
 698
 699         * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
 700         * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
 701         * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
 702         flags for static linking permutation.
 703         * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
 704         some pthreads code that croaks on linux glibc tls.
 705
 706 2004-01-27  Frank Ch. Eigler  <fche@redhat.com>
 707
 708         * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
 709
 710 2004-01-15  Frank Ch. Eigler  <fche@redhat.com>
 711
 712         * testsuite/libmudflap.c/pass44-frag.c: New test.
 713
 714 2004-01-12  Frank Ch. Eigler  <fche@redhat.com>
 715
 716         * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
 717
 718 2004-01-08  Frank Ch. Eigler  <fche@redhat.com>
 719
 720         * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
 721
 722 2003-12-11  Frank Ch. Eigler  <fche@redhat.com>
 723
 724         * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
 725
 726 2003-12-08  Andrew Pinski  <pinskia@physics.uc.edu>
 727
 728         PR libmudflap/12670
 729         * configure.in: Add check for see if
 730         socklen_t typedef is in sys/socket.h.
 731         * mf-hooks1.c: Add define if socklen_t
 732         is not typedef.
 733         * mf-hooks2.c: Likewise.
 734         * mf-hooks3.c: Likewise.
 735         * config.h.in: Regen.
 736         * configure: Regen.
 737
 738 2003-12-08  Frank Ch. Eigler  <fche@redhat.com>
 739
 740         * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
 741         * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
 742         optimizations.
 743         * testsuite/libmudflap.c/pass25-frag.c: Ditto.
 744         * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
 745         (unoptimized) allocation of stack space.
 746
 747 2003-12-07  Richard Henderson  <rth@redhat.com>
 748
 749         * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
 750         * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
 751
 752 2003-12-06  Andrew Pinski <apinski@apple.com>
 753
 754         partial PR libmudflap/12670
 755         * mf-hooks1.c: Respect Darwin checks.  Conditionalize POSIX_SOURCE.
 756         * mf-hooks2.c: Likewise.
 757         * mf-hooks3.c: Likewise.
 758
 759 2003-11-19  Frank Ch. Eigler  <fche@redhat.com>
 760
 761         libstdc++/11696
 762         * mf-runtime.h.in: Switch to #pragma redefine_extname for
 763         symbols interposed at compile time.
 764         * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
 765
 766         libmudflap/12939
 767         * mf-hooks2.c (semctl): Tolerate FreeBSD.
 768
 769         * configure.in: Reorganize check for <pthread.h>.
 770         * configure: Regenerated.
 771
 772 2003-11-04  David Edelsohn  <edelsohn@gnu.org>
 773
 774         * mf-runtime.c (_ALL_SOURCE): Define for AIX.
 775         (_LARGE_FILE_API): Define for AIX.
 776         * mf-hooks[123]: Same.
 777         (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
 778
 779 2003-10-21  David Edelsohn  <edelsohn@gnu.org>
 780
 781         * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
 782
 783 2003-07-29  Frank Ch. Eigler  <fche@redhat.com>
 784
 785         2003-07-29  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
 786
 787         * configure.in: Update check for union semun.
 788
 789 2003-07-29  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
 790
 791         PR other/11673
 792         * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
 793
 794 2003-07-29  Frank Ch. Eigler  <fche@redhat.com>
 795
 796         PR other/11673
 797         * configure.in: Add checks for 64-bit LFS functions, struct semun
 798         definition, for BSD compatibility.
 799         * mf-hooks1.c: Respect BSD checks.  Conditionalize POSIX_SOURCE.
 800         * mf-hooks2.c: Ditto.  Include <strings.h> for bcmp* decls.
 801         * mf-hooks3.c: Ditto.
 802         (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
 803         mmap flag.
 804         * configure, config.h.in: Regenerated.
 805
 806 2003-07-23  Frank Ch. Eigler  <fche@redhat.com>
 807
 808         Multithreading fixes:
 809         * mf-runtime.c (__mf_object): Store allocating/deallocating
 810         thread id.
 811         (options): Support new "-thread-stack" option.
 812         Rename "-heur-argv-environ" option to "-heur-stdlib".
 813         Disable "-lc-mask" and "-lc-shift" options.
 814         (__mf_dynamic): Add function pointers for pthread_join/_exit.
 815         (__assert_fail): New self-contained function for glibc.
 816         * mf-hooks3.c: Essentially rewritten, particularly related to
 817         use of __mf_pthread_info array.
 818         (pthread_join, _exit): New hook functions.
 819         * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
 820         * testsuite/libmudflap.cth/pass40-frag.c: New test.
 821
 822         Warning cleanups:
 823         * mf-heuristics.c: Add type casts for tracing, sub calls.
 824         * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
 825         Update all callers to declare explicit result holder.
 826         (END_PROTECT): Removed.
 827         * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
 828
 829 2003-07-15  Diego Novillo  <dnovillo@redhat.com>
 830
 831         * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
 832         * testsuite/libmudflap.c/fail15-frag.c: Likewise.
 833         * testsuite/libmudflap.c/fail13-frag.c: Likewise.
 834
 835 2003-07-04  Frank Ch. Eigler  <fche@redhat.com>
 836
 837         * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
 838         * mf-hooks: Removed.
 839         * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
 840         Move these macros from old mf-hooks.c here.
 841         * Makefile.am: Adapt to split-up hook sources for faster builds.
 842         * Makefile.in: Regenerated.
 843
 844         * mf-heuristics.c: Remove #if-0 block.
 845
 846         * mf-impl.h (__mf_state): Reorganize declaration and implementation.
 847         (__mf_starting_p): New state only for use while dlsym bootstrapping.
 848         (CALL_REAL, __mf_init): Corresponding changes.
 849         (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix.  Update
 850         all callers to remove redundant "mf:" prefix.
 851         * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
 852         * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
 853         (__mf_pthread_info): Become a hash table.
 854
 855         * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
 856         "dg-repetitions" directives to control test case execution.
 857         * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
 858         options.
 859         * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
 860
 861 2003-06-25  Frank Ch. Eigler  <fche@redhat.com>
 862
 863         * mf-hooks.c (alloca): Separate into stub.
 864         (__mf_wrap_alloca_indirect): New function.  Use CALL_REAL
 865         malloc/free for alloca blocks.
 866         (pthread_create): Tolerate failing pthread_attr_get* calls.
 867         * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
 868         * mf-impl.h (CALL_WRAP): Remove macro.
 869         * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
 870         * testsuite/libmudflap.c/pass23-frag.c: Include more struct
 871         padding for ia64 BIT_FIELD_REF constructs.
 872
 873 2003-06-19  Frank Ch. Eigler  <fche@redhat.com>
 874
 875         * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
 876         (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
 877         libmudflap object type.
 878         * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
 879         crashes on unregistering STATIC objects.
 880
 881 2003-06-17  Frank Ch. Eigler  <fche@redhat.com>
 882
 883         Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
 884         * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
 885         (time, strerror, fopen, fopen64, fclose, fread): New hooks.
 886         (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
 887         (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
 888         (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
 889         (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
 890         (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
 891         (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
 892         (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
 893         (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
 894         (accept, bind, connect, gethostname, sethostname): New hooks.
 895         (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
 896         (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
 897         (semop, semctl, shmctl, shmat, shmdt): New hooks.
 898         * mf-runtime.h.in: Corresponding changes.
 899         * mf-runtime.c (__mf_ini): Register stdio objects.  Use STATIC type.
 900         (opts) Rename heur_argv_environ to heur_std_data.
 901         (__mf_wrap_main): Use STATIC type for argv/environ strings.
 902         * Makefile.am: Corresponding changes.
 903         * Makefile.in: Regenerated.
 904
 905 2003-06-11  Frank Ch. Eigler  <fche@redhat.com>
 906
 907         * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
 908         heuristic for threaded case, and for non-x86-linux targets.
 909         * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
 910         for use during pre-main() program startup.
 911         (__mf_0fn_*): Make these functions non-static.
 912         * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
 913         functions.
 914         * mf-runtime.c (__mf_state): Set initial state to "starting".
 915         (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
 916         (__wrap_main): New function to register argv[] and environ[] strings.
 917         (__mf_ini): Call it.
 918         (*): In all trace functions, use "%p" as formatter for uintptr_t.
 919
 920         * testsuite/libmudflap.c/pass38-frag.c: New test case.
 921         * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
 922
 923         * acinclude.m4: Add comments with aoliva's concerns about x86_64
 924         pass_all.
 925         * aclocal.m4, configure: Regenerated.
 926
 927 2003-06-04  Frank Ch. Eigler  <fche@redhat.com>
 928
 929         * acinclude.m4: Correct typo in AC_MSG_CHECKING.
 930         * aclocal.m4, configure: Regenerated.
 931
 932 2003-06-03  Frank Ch. Eigler  <fche@redhat.com>
 933
 934         * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
 935         for x86_64 target.  Disable caching for this value.
 936         * aclocal.m4, configure: Regenerated.
 937
 938 2003-06-02  Frank Ch. Eigler  <fche@redhat.com>
 939
 940         * testsuite/libmudflap.c/pass38-frag.c: Deleted.  -fwritable-strings
 941         is about to become deprecated, and its present handling bugs are
 942         unworthy of fixing.
 943
 944 2003-05-30  Frank Ch. Eigler  <fche@redhat.com>
 945
 946         * testsuite/libmudflap.c/pass38-frag.c: New test for
 947         -fwritable-strings.
 948
 949 2003-05-23  Frank Ch. Eigler  <fche@redhat.com>
 950
 951         * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
 952         __mf_report, asserting reentrant calling context.
 953
 954 2003-05-23  Frank Ch. Eigler  <fche@redhat.com>
 955
 956         * mf-hooks.c (realloc): Correct reentrancy logic.
 957         * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
 958
 959 2003-05-20  Frank Ch. Eigler  <fche@redhat.com>
 960
 961         * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
 962         PTHREAD_THREADS_MAX.  Update users.
 963         * mf-runtime.c (__mf_usage): Print [active] instead of [default]
 964         for active options.
 965         * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
 966         with libmudflapth presence indicator.
 967         * testsuite/Makefile.in: Regenerated.
 968
 969 2003-05-16  Frank Ch. Eigler  <fche@redhat.com>
 970
 971         * Makefile.am (AM_CFLAGS): Remove "-ansi".
 972         * configure.in: Remove silly no-pthreads => no-shared logic.
 973         * Makefile.in, configure: Regenerated.
 974         * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
 975         * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
 976         code.  Count reentrancy events.
 977         (all hook functions): Don't directly manipulate __mf_state variable.
 978         Add TRACE calls to hook functions without them.
 979         * mf-impl.h (LOCKTH): Try to count lock contention events.
 980         (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
 981         * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
 982         Reorganize reentrancy code.
 983         (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
 984         identify reentrancy with mutex holding times.
 985         (internal __mfu_ entry points): Remove internal reentrancy code.
 986         (__mf_init): Use ordinary locked calls.
 987         (__mfu_report): Print the two new counts.
 988         * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
 989         * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
 990         * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
 991         * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
 992         option defaults.
 993
 994 2003-05-09  Frank Ch. Eigler  <fche@redhat.com>
 995
 996         * configure.in: Add pthread support, plus glibc and porting hacks.
 997         * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
 998         from objects built into ./pth/.
 999         * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
1000         functions for internal entry points.  Update callers to pick
1001         locked vs. unlocked variants.
1002         (__mf_resolve_single_dynamic): Extend to support symbol versioning
1003         info coming in from a static data structure.
1004         (*): Reorder miscellaneous declarations to group data vs functions.
1005         (__mf_set_default_options): Simplify.
1006         (__mf_usage): Mention threading status of host executable.
1007         * mf-impl.h: Move max/min decls here.  Reorganize __mf_dynamic
1008         decls to match above.
1009         (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
1010         * mf-heuristics.c: Choose between locked/unlocked calls.  Add
1011         some lock/unlock markers.  Remove some unused code.
1012         * mf-hooks: Ditto.
1013         (pthread_create): New hook function.
1014         (__mf_pthread_cleanup, _spawner): New helper functions.
1015         * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
1016
1017 2003-05-02  Frank Ch. Eigler  <fche@redhat.com>
1018
1019         * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
1020
1021 2002-04-28  Frank Ch. Eigler  <fche@redhat.com>
1022
1023         * Makefile.am (HOOKOBJS): Add *time related hooks.
1024         * configure.in: Look for pthreads.h header.
1025         * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
1026         * mf-runtime.c: Begin sketching some pthreads support.
1027         (__mf_usage): Check for -lpthread presence.
1028         (__mf_unregister): Confirm matching unregistration base.
1029         (__mf_find_objects_rec): Reduce unnecessary recursion.
1030         * mf-runtime.h.in: Add "nothrow" attribute to functions.  Add
1031         #defines for new hook functions.
1032         * mf-impl.h: Corresponding changes.
1033         * config.h.in, configure, Makefile.in: Regenerated.
1034
1035 2002-04-27  Diego Novillo  <dnovillo@redhat.com>
1036
1037         * testsuite/libmudflap.c/fail1-frag.c: Add volatile
1038         modifiers to prevent being optimized away.
1039         * testsuite/libmudflap.c/fail10-frag.c: Likewise.
1040         * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1041         * testsuite/libmudflap.c/fail14-frag.c: Likewise.
1042         * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1043         * testsuite/libmudflap.c/fail2-frag.c: Likewise.
1044         * testsuite/libmudflap.c/fail20-frag.c: Likewise.
1045         * testsuite/libmudflap.c/fail3-frag.c: Likewise.
1046
1047 2003-04-15  Frank Ch. Eigler  <fche@redhat.com>
1048
1049         * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1050         * configure.in: Look for uintptr_t and -ldl on target.
1051         * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1052         * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1053         * testsuite/Makefile.in: Regenerated.
1054         * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1055         for better C compliance.
1056
1057 2003-04-15  Frank Ch. Eigler  <fche@redhat.com>
1058
1059         * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1060         prevention code.
1061         * mf-runtime.c (__mf_set_default_options): Turn off
1062         check-initialization.
1063         (__mf_describe_object): Shorten description.
1064         * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1065
1066 2003-04-07  Frank Ch. Eigler  <fche@redhat.com>
1067
1068         * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1069
1070 2003-04-02  Frank Ch. Eigler  <fche@redhat.com>
1071
1072         * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1073         calls specially.
1074         (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1075         * mf-impl.h (CALL_BACKUP): New macros.
1076         * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1077
1078 2003-03-31  Frank Ch. Eigler  <fche@redhat.com>
1079
1080         * Makefile.am (AM_CFLAGS): Remove optimization flags.
1081         (HOOKOBJS): Remove dlopen hook.
1082         (libmudflap_la_LIBADD): Add -ldl.
1083         * mf-hooks.c (dlopen): Remove hook.
1084         * mf-impl.h (__mf_dynamic): Ditto.
1085         * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1086         * Makefile.in: Regenerated.
1087
1088 2003-03-28  Frank Ch. Eigler  <fche@redhat.com>
1089
1090         * configure.in: Check for target gettimeofday, signal, some headers.
1091         * mf-impl.h (__mf_opts): Add new "sigusr1_report" field.  Comment
1092         out inop multi_threaded field.
1093         * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1094         (__mf_set_options): Correct handling of "-help".
1095         (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1096         (__mf_check, __mf_register, __mf_unregister): Call it.
1097         (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1098         (__mf_report_leaks): Make callable
1099         (__mf_tree_analyze): Traverse in-order.  Accumulate address bit
1100         distribution statistics.
1101         (__mf_adapt_cache): Rewrite shift guessing logic based on address
1102         bit distributions.
1103         * config.h.in, configure: Regenerated.
1104         * testsuite/libmudflap.c/fail27-frag.c: New test.
1105         * testsuite/libmudflap.c/pass36-frag.c: New test.
1106
1107 2003-03-11  Frank Ch. Eigler  <fche@redhat.com>
1108
1109         * mf-runtime.h.in: Tweak.
1110         * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1111         Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1112         * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1113
1114 2003-03-10  Frank Ch. Eigler  <fche@redhat.com>
1115
1116         * configure.in: Tweak generation of mf-runtime.h some more.  It
1117         needs to work from both config.status and configure.
1118         * configure: Regenerated.
1119
1120 2003-03-10  Frank Ch. Eigler  <fche@redhat.com>
1121
1122         * Makefile.am: Reorganize hook file building.  Add auto dependencies.
1123         * configure.in: Tweak generation of mf-runtime.h.
1124         * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1125         * mf-hooks.c (*): Adapt to initialized-heap object type.
1126         * mf-impl.h: Tweak cemetary boundaries.
1127         * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1128         type.
1129         (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1130         (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1131         * testsuite/lib/libmudflap.exp (includes): Include build tree.
1132         * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1133         checking.
1134         * testsuite/.../fail{25,26}-frag.c: New tests.
1135         * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1136         * Makefile.in, configure: Regenerated.
1137
1138 2003-03-05  Frank Ch. Eigler  <fche@redhat.com>
1139
1140         * mf-runtime.c (__mf_set_default_options): Turn on initialization
1141         checking by default.
1142         (__mf_insert_new_object): As a temporary hack, assume that new
1143         objects registered on the stack start out initialized.
1144         * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1145         heap objects by hand.
1146
1147 2003-03-05  Frank Ch. Eigler  <fche@redhat.com>
1148
1149         Switch to macro-style hooks for str*/mem*/b* functions.
1150         * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1151         (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1152         * mf-runtime.c: #include config.h to enable glibc backtraces again.
1153         (__mf_set_default_options): Turn off heur_proc_map.
1154         (*): Adapt to to macro-style hook functions.
1155         (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1156         (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1157         (__mf_violation): Handle __MF_VIOL_WATCH.
1158         * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1159         (__mf_dynamic): Removed mem*/str*/b* functions.
1160         (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1161         (WRAPPER2): New macro for macro-style hooks.
1162         * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1163         macro-style hooks.
1164         (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1165         * mf-heuristics.c: Adapt to macro-style hook functions.
1166         Correct some comments.
1167         * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1168         output pattern tests.
1169         * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1170         * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1171
1172 2003-02-28  Frank Ch. Eigler  <fche@redhat.com>
1173
1174         * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1175         for global array registration.
1176         * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1177         * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1178
1179 2003-02-27  Frank Ch. Eigler  <fche@redhat.com>
1180
1181         * Makefile.am: Add gross make bug workarounds.  Tweaked
1182         SUBDIRS and AM_CFLAGS.
1183         * Makefile.in: Regenerated.
1184
1185 2003-02-26  Frank Ch. Eigler  <fche@redhat.com>
1186
1187         Switch to dejagnu.
1188         * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1189         * Makefile.am (TESTS): Remove simple automake testing.
1190         * configure, Makefile.in: Regenerated.
1191         (SUBDIRS): Include new testsuite/ directory.
1192         * tests/*: Removed all files; moved bulk under:
1193         * testsuite/*: New subdirectory tree.
1194         * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1195         * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1196         * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1197         * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1198         * testsuite/config/default.exp: New file.
1199         * testsuite/Makefile.am, Makefile.in: New files.
1200
1201 2003-01-29  Frank Ch. Eigler  <fche@redhat.com>
1202
1203         * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1204         (TESTS): Add fail22 and pass29 tests.
1205         * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1206         Add new access-type parameter for __mf_check.  Move __MF_VIOL* out.
1207         * mf-impl.h: Corresponding changes.  Update CLAMP* macros for void*
1208         values.  Move __MF_VIOL* here.
1209         * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1210         (check_initialization): New field in __mf_opts.  Default off.
1211         (read_count,write_count): New fields in __mf_object.
1212         (__mf_check): Implement basic initialization checking.
1213         (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1214         (__mf_describe_object): Print new fields.
1215         (__mf_violation): Identify check/read vs. check/write in messages.
1216         * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1217         "-check-initialized" mudflap option.
1218         * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1219         * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1220         Drop __FILE__/__LINE__ hack.  Update callers.
1221         (*): Adapt to new mf-runtime.h API.
1222         * Makefile.in: regenerated.
1223
1224 2003-01-24  Frank Ch. Eigler  <fche@redhat.com>
1225
1226         * configure.in: Build mf-runtime.h a more proper way.
1227         * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1228         * mf-runtime.c (verbose_violations): Turn on by default.
1229         * mf-runtime.h.in: Remove some miscellaneous stuff ...
1230         * mf-impl.h: ... and move it here.
1231         * configure: Regenerated.
1232
1233 2003-01-22  Frank Ch. Eigler  <fche@redhat.com>
1234
1235         * configure.in: Look for C++ compiler.
1236         * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1237         fixed type warnings when built with C++.
1238         * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1239         * Makefile.am (TESTS): Run them.
1240         (*) Add new rules for building and running C++ tests.
1241         (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1242         * mf-runtime.h.in: Protect with extern "C".
1243         * Makefile, configure: Regenerated.
1244
1245 2003-01-06  Frank Ch. Eigler  <fche@redhat.com>
1246
1247         Portability improvements.
1248         * configure.in: Look for glibc backtrace headers/functions.
1249         * mf-hooks.c: Don't include <execinfo.h> any more.
1250         * mf-runtime.c (__mf_set_options): Call more stdlib functions
1251         via CALL_REAL.
1252         (__mf_backtrace): Provide alternate baby implementation in
1253         absence of glibc.
1254         * test/mf-driver.c: Portability tweaks.
1255         * acinclude.m4: New file, containing top level libtool.m4.
1256         * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1257
1258 2002-12-19  Frank Ch. Eigler  <fche@redhat.com>
1259
1260         * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1261
1262 2002-11-08  Frank Ch. Eigler  <fche@redhat.com>
1263
1264         * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1265         options.
1266         (__mf_unregister): Implement stack/heap object wiping.
1267         (__mf_set_options): Renamed from __mf_process_opts.
1268         (__mf_uncache_object): Change arg type, correct callers.
1269         * mf-impl.h: Corresponding changes.
1270         * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1271         * mf-runtime.h.in (__mf_set_options): Extend public API.
1272         * test/pass26-frag.c: New test for stack wiping.
1273         * Makefile.am (TESTS): Run it.
1274         * Makefile.in: Regenerated.
1275
1276 2002-11-07  Frank Ch. Eigler  <fche@redhat.com>
1277
1278         * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1279         * mf-runtime.c (__mf_object_t): Add watching_p field.
1280         (__mf_watch_or_not): New function to implement
1281         object watch flagging.
1282         (__mf_watch, __mf_unwatch): New wrappers for above.
1283         (__mf_check, __mf_describe_object): Handle objects with watching_p.
1284         (__mf_count_violation): Enlarge array.
1285         (__mf_uncache_object): Renamed from __mf_remove_old_object.  Don't
1286         unlink object.  Clear cache properly.
1287         (__mf_unregister): Unlink object explicitly before uncaching.
1288         * test/fail21-frag.c, pass25-frag.c: New tests.
1289         * Makefile.in, aclocal.m4: Regenerated.
1290
1291 2002-11-05  Frank Ch. Eigler  <fche@redhat.com>
1292
1293         * test/fail20-frag.c: New test for NULL pointer dereferencing.
1294         * Makefile.am (TESTS): Add it.
1295         * test/pass-stratcliff.c: Add decls of stpcpy.
1296         * configure.in: Test for <stdint.h>.  Generate mf-runtime.h in
1297         build tree from config.h and new file mf-runtime.h.in.
1298         * mf-runtime.h.in: Renamed from mf-runtime.h.  Tweak uintptr_t decl.
1299         * Makefile.in, configure, config.h.in: Regenerated.
1300         * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1301         * mf-runtime.c (options, __mf_set_default_options): Support new
1302         default "abbreviate" option.
1303         (__mf_object.description_epoch): New field.
1304         (__mf_describe_object): Conditionally abbreviate objects already
1305         displayed in current epoch.  Accept NULL input to increment epoch.
1306         (__mf_fini, __mf_ini): Reset description epoch.
1307         (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1308         that NULL pointer slot in lookup cache is invalidated.  Register a
1309         NOACCESS region around NULL.
1310         * mf-impl.h: Corresponding changes.
1311
1312 2002-10-16  Frank Ch. Eigler  <fche@redhat.com>
1313
1314         * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1315         * Makefile.am: Run them.  Install mf-runtime.h.
1316         * Makefile.in: Regenerated.
1317         * mf-hooks.c: Add some markers for more missing functions.
1318         * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1319         statistic to tune tune cache size (mask).
1320
1321 2002-10-01  Frank Ch. Eigler  <fche@redhat.com>
1322
1323         * test/pass23-frag.c: New test for bit_field_ref expressions.
1324         * Makefile.am, Makefile.in: Add new test.
1325         * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1326         (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1327         * mf-runtime.c (__mf_init): Register errno global.
1328         (__mf_find_object): Removed function.
1329         (__mf_check): Rewrite logic to support accesses across some
1330         contiguous but distinctly registered objects.
1331         (__mf_remove_old_object): Tolerate cache entries that span
1332         contiguous objects.
1333
1334 2002-09-30  Frank Ch. Eigler  <fche@redhat.com>
1335
1336         * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1337         * Makefile.am, Makefile.in: Run new tests.
1338         * mf-hooks.c (alloca): Correct stack direction logic.
1339
1340 2002-09-26  Frank Ch. Eigler  <fche@redhat.com>
1341
1342         * mf-impl.h (adapt_cache): New option.
1343         * mf-runtime.c (__mf_set_default_options): Set its default value.
1344         Tweak the tree_aging parameter down.
1345         (__mf_check): Maintain separate counter for cache-adaptation.
1346         (__mf_tree_analyze): New function to collect object tree stats.
1347         (__mf_adapt_cache): New function to automate cache parameters.
1348
1349 2002-09-24  Frank Ch. Eigler  <fche@redhat.com>
1350
1351         * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1352         hypothetical #if-0'd argv/envp region registration.
1353         * mf-runtime.c (__mf_init): Add kludged form of above.
1354         (*) Add "heur_argv_environ" flag, default on, to govern this.
1355         * mf-impl.h: Corresponding changes.
1356
1357 2002-09-20  Frank Ch. Eigler  <fche@redhat.com>
1358
1359         * test/fail18-frag.c: New test file for NOACCESS regions.
1360         * Makefile.am (TESTS): Add new test.
1361         * Makefile.in: Regenerated.
1362
1363         * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1364         * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1365         (optimize_object_tree): Remove unused mudflap_option.
1366         * mf-runtime.h (__MF_TYPE_NOACCESS): New region type.  Add printing
1367         support throughout.  Use .._MAX_CEM for cemetary upper bound.
1368         * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1369         regions.
1370         (__mf_object): Add new liveness field for use by tree aging.
1371         (__mf_check): Trigger tree aging when needed.
1372         (__mf_age_tree): New function to decay liveness field.
1373         (__mf_find_objects_rec): Use liveness field to rotate tree.
1374         (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1375         (__mf_unregister): Ditto.
1376         (__mf_register): Tweak duplicate-static message.
1377         (__mf_violation: Tweak nearby-object counter printing.
1378
1379 2002-09-16  Frank Ch. Eigler  <fche@redhat.com>
1380
1381         * test/pass20-frag.c: New test file.
1382         * Makefile.am (TESTS): Reorganize.  Add pass20 test.
1383         * Makefile.in: Regenerated.
1384
1385         * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros.  Update callers.
1386         * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1387         * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1388         entries to avoid repeat registration.
1389         * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1390         (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1391
1392 2002-09-09  Frank Ch. Eigler  <fche@redhat.com>
1393
1394         * Makefile.am: Create test sources with #include, not cat>>.
1395         * Makefile.in: Regenerated.
1396         * test/buildtest.sh: Removed.
1397         * test/driver.c (abort_handler, main): Be quiet.
1398
1399 2002-09-06  Frank Ch. Eigler  <fche@redhat.com>
1400
1401         * test/pass18-frag.c, pass19-frag.c: New tests.
1402         * Makefile.am (check): Run them.  Rebuild test programs each time.
1403         * Makefile.in: Regenerated.
1404
1405 2002-09-06  Frank Ch. Eigler  <fche@redhat.com>
1406
1407         * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1408         overlapping object search.
1409         (__mf_violation): Likewise for nearby objects.
1410         Improve nearby-object listing.
1411
1412         cleanup:
1413         * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1414         * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1415
1416 2002-09-03  Frank Ch. Eigler  <fche@redhat.com>
1417
1418         alloca support:
1419         * Makefile.am (AM_CFLAGS): New definition of needed settings.
1420         (HOOKOBJS): Add alloca-hook.o.
1421         * mf-hooks.c (alloca): New function to implement alloca in libiberty
1422         style.
1423         * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1424         (__mf_backtrace): Reimplement without using alloca.
1425         * Makefile.in: Regenerated.
1426
1427         cleanup:
1428         * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1429         Correct signedness bugs in length-tracking variables.
1430         * mf-impl.h: Make options unsigned.
1431         (CALL_WRAP): New macro to parallel CALL_REAL().
1432         (DECLARE): Remove erroneous ";" at end.
1433         * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1434         formatting specs with %08lx.  Correct several compiler warnings.
1435
1436 2002-08-28  Frank Ch. Eigler  <fche@redhat.com>
1437
1438         * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1439
1440 2002-08-27  Frank Ch. Eigler  <fche@redhat.com>
1441
1442         libmudflap hook breakup:
1443         * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1444         for libgcc_s.
1445         (TESTS): Make dependent on libmudflap.
1446         (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1447         compiled from segments of mf-hooks.c.
1448         * mf-hooks.c: Corresponding changes: wrap each function in
1449         #ifdef/#endif.
1450         * Makefile.in: Regenerated.
1451
1452         Heuristics reorganization:
1453         * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1454         Remove these functions.  Update callers.
1455         (__mf_heuristic_check): Incorporate all the various heuristics.
1456         Encode cacheability/retry judgement into trinary return value.
1457         Separate start-end logic into a separate fallback heuristic.  Only
1458         register relevant /proc/self/map segments.
1459         * mf-impl.h: Corresponding changes.
1460         * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1461         (__mf_init): Don't call __mf_init_heuristics.
1462
1463         Tracing cleanup:
1464         * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1465         "-verbose-trace" to emit all tracing messages other than those of
1466         basic public api.  Eliminate some duplicate/excessive messages.
1467         * mf-runtime.h: Corresponding changes.
1468
1469 2002-08-27  Graydon Hoare  <graydon@redhat.com>
1470
1471         * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1472         and __real when compiled with -DPIC.
1473         * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1474         * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1475         * Makefile.in: Regenerate.
1476
1477 2002-08-26  Graydon Hoare  <graydon@redhat.com>
1478
1479         * mf-impl.h: New file, private implementation header.
1480         * mf-runtime.h: Reorganize a bit.
1481         (CLAMPSZ): Fix arithmetic.
1482         (__MF_CACHE_MISS_P): Fix arithmetic.
1483         * mf-runtime.c: Reorganize a bit.
1484         (__mf_dynamic): New structure.
1485         (resolve_single_dynamic): New function.
1486         (__mf_resolve_dynamics): New function.
1487         (__mf_init): Initialize dynamic wrappers.
1488         * mf-hooks.c: Macro-ize __real calls.
1489         Clamp various bits of arithmetic.
1490         Add explicit __mf_check call contexts.
1491         * Makefile.am: Add dependencies on mf-impl.h
1492         * Makefile.in: Regenerate.
1493         * configure.in: Comment out shared override.
1494         * configure: Regenerate.
1495
1496 2002-08-22  Graydon Hoare  <graydon@redhat.com>
1497
1498         * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1499         (__mf_check): Re-inialize and check heuristics before violation.
1500         (__mf_register): Permit updating pure-guess regions.
1501         * mf-hooks.c (__wrap_free): Correct some free queue logic.
1502         (__wrap_dlopen): New wrapper function.
1503         (__wrap_mmap): New wrapper function.
1504         (__wrap_munmap): New wrapper function.
1505         * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1506         which are not stack addresses.
1507         (is_stack_address): New function.
1508         (__mf_init_heuristics): Save and restore state, always initialize with
1509         "starting" state.
1510
1511 2002-08-21  Frank Ch. Eigler  <fche@redhat.com>
1512
1513         * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1514         error.  Pass location string.
1515         (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1516         * mf-runtime.c (options): Add lc-mask, lc-shift options.
1517         (__mf_process_opts): Apply some sanity checking for lc-mask.
1518         (__mf_check, __mf_violation): Take new location-string argument.
1519         Update callers to pass NULL if necessary.
1520         (__mf_backtrace): New smart backtracer function.  Calls replace
1521         several ad-hoc blocks elsewhere.
1522         (__mf_describe_object): Remove bad reentrancy test.  Improve
1523         tracing message.
1524         * mf-runtime.h: Corresponding changes.  Public/private markup.
1525         (__MF_CACHE_MISS_P): New macro.
1526
1527 2002-08-20  Graydon Hoare  <graydon@redhat.com>
1528
1529         * mf-runtime.h: New option: stack_bound (heuristic).
1530         Move some macros out of implementation files.
1531         * mf-runtime.c: New option string: -stack-bound.
1532         Unify recursion protection with hooks.
1533         Add more logging.
1534         (__mf_check): Call __mf_heuristic_check.
1535         (__mf_process_opts): Fix "no-" processing.
1536         * mf-heuristics.c (__mf_heuristic_check): New function.
1537         * mf-hooks.c: Much off-by-one fixing, recursion protection.
1538
1539 2002-08-20  Frank Ch. Eigler  <fche@redhat.com>
1540
1541         Option parsing improvements, region splitting bug fixes:
1542         * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1543         * mf-runtime.h (heur_proc_map): New libmudflap option.
1544         * mf-runtime.c (__mf_set_default_options): Set it.
1545         (__mf_usage): Print default values/status.
1546         (__mf_process_opts): Support general "no-" option string prefix.
1547         (__mf_init): Print __mf_usage on unknown-option error.
1548         (__mf_register): Print trace message up front.
1549         Correct region splitting logic for case where a subregion disappears.
1550         Correct memory leak.
1551         (__mf_violation): Make even basic message conditional on option.
1552
1553         Build cleanup:
1554         * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1555         (clean-local): New target.
1556         (test/*x rules): Add -g CFLAGS.
1557         (CFLAGS): Add -freorder-blocks.
1558         (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1559         * Makefile.in: Regenerated.
1560         * Makefile, mf-config.h: Removed files.
1561
1562 2002-08-16  Graydon Hoare  <graydon@redhat.com>
1563
1564         * mf-runtime.c (__mf_insert_new_object): Factor out of
1565         __mf_register.
1566         (__mf_remove_old_object): Factor out of __mf_unregister.
1567         (__mf_register): Handle guessed regions, splitting
1568         guesses when new registrations arrive.
1569         (__mf_unregister): Do not unregister guesses.
1570         * mf-runtime.h: Move convenience macros around,
1571         declare new option fields. Add __MF_TYPE_GUESS.
1572         * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1573         (__wrap_free): Call __real_free for deferred frees.
1574         * Makefile.am: Add more tests, fix dependency.
1575         * Makefile.in: Regenerate.
1576         * test/pass[13..17]-frag.c: New testcases.
1577         * test/fail[13..17]-frag.c: New testcases.
1578
1579 2002-08-15  Graydon Hoare  <graydon@redhat.com>
1580
1581         * mf-heuristics.c: New file.
1582         * mf-runtime.c (options): Add -trace-calls option.
1583         (__mf_init): Call __mf_init_heuristics.
1584
1585 2002-08-14  Graydon Hoare  <graydon@redhat.com>
1586
1587         * Makefile.am (TESTS): Add testsuite support.
1588         * Makefile.in: Regenerate.
1589         * test/mf-driver.c: New file.
1590         * test/buildtest.sh: New file.
1591         * test/passNN-frag.c: New testcases.
1592         * test/failNN-frag.c: New testcases.
1593
1594 2002-08-14  Graydon Hoare  <graydon@redhat.com>
1595
1596         * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1597         verifying non-size-limited string extents.
1598
1599 2002-08-14  Frank Ch. Eigler  <fche@redhat.com>
1600
1601         * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1602         instead of plain str[n]len for internal checks.
1603         * mf-runtime.c (__mf_violation): Print optional stack traceback.
1604
1605 2002-08-14  Frank Ch. Eigler  <fche@redhat.com>
1606
1607         * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1608
1609 2002-08-13  Graydon Hoare  <graydon@redhat.com>
1610
1611         * mf-runtime.c: Rework configuration to operate on
1612         environment variable options rather than #defines
1613         (__mf_violation): Add simple fork-a-gdb violaiton mode.
1614         (__mf_init): Set static __mf_active_p flag on startup,
1615         to inhibit mudflap wrap-based checking during crt0.s.
1616         * mf-runtime.h: Declare options structure.
1617         * mf-hooks.c: New wrappings for mem*, b*, str*
1618         libc functions (temporarily #if 0-ed out).
1619
1620 2002-08-12  Frank Ch. Eigler  <fche@redhat.com>
1621
1622         * Makefile.am, configure.in: New files.
1623         * Makefile.in, Makefile, configure, config.h.in: New generated files.
1624         * stamp-h.in, aclocal.m4: Ditto.
1625
1626 2002-08-08  Frank Ch. Eigler  <fche@redhat.com>
1627
1628         * Makefile: New file.
1629         * mf-config.h: New file: runtime configuration.
1630         * mf-hooks.c: New file: interposed libc functions.
1631         * mf-runtime.c: New file: bulk of runtime.
1632         * mf-runtime.h: New file: public functions.