libmudflap/ChangeLog

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