libmudflap/ChangeLog

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