libmudflap/ChangeLog

   1 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
   2
   3         PR c++/34619
   4         * testsuite/libmudflap.c++/pass61-frag.cxx: New test.
   5
   6 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
   7
   8         PR libmudflap/26442
   9         * testsuite/libmudflap.c++/pass60-frag.cxx: New test.
  10
  11 2007-10-15  Maciej W. Rozycki  <macro@linux-mips.org>
  12
  13         * configure: Regenerate following changes to ../config/tls.m4.
  14
  15 2007-07-26  Tom Tromey  <tromey@redhat.com>
  16
  17         * Makefile.in: Rebuilt.
  18         * Makefile.am (clean-local): Removed.
  19         (pth/mf-runtime.lo, pth/mf-heuristics.lo, pth/mf-hooks1.lo,
  20         pth/mf-hooks2.lo, pth/mf-hooks3.lo): Likewise.
  21         (libmudflapth_la_SOURCES): List sources.
  22         (libmudflapth_la_LIBADD): Clear.
  23         (libmudflapth_la_CFLAGS): New variable.
  24
  25 2007-07-05  H.J. Lu  <hongjiu.lu@intel.com>
  26
  27         * aclocal.m4: Regenerated.
  28
  29 2007-06-02  Paolo Bonzini  <bonzini@gnu.org>
  30
  31         * configure: Regenerate.
  32
  33 2007-05-31  Frank Ch. Eigler  <fche@redhat.com>
  34
  35         From Andi Kleen <ak@suse.de>:
  36         * mf-runtime.c (options): Rename structure for compatibility with
  37         glibc getopt_long.
  38
  39 2007-05-23  Steve Ellcey  <sje@cup.hp.com>
  40
  41         * Makefile.in: Regenerate.
  42         * configure: Regenerate.
  43         * aclocal.m4: Regenerate.
  44         * testsuite/Makefile.in: Regenerate.
  45
  46 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
  47
  48         * testsuite/libmudflap.cth/pass59-frag.c (main): Fix casting of arg.
  49
  50 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
  51
  52         * Makefile.am: Add dummy install-pdf target.
  53         * Makefile.in: Regenerate
  54
  55 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
  56
  57         PR libgomp/28468
  58         * configure: Regenerate.
  59
  60 2006-12-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
  61
  62         * configure: Regenerate.
  63
  64 2006-11-13  Daniel Jacobowitz  <dan@codesourcery.com>
  65
  66         * configure: Regenerated.
  67
  68 2006-11-10  Frank Ch. Eigler  <fche@redhat.com>
  69
  70         PR libmudflap/28578
  71         * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
  72         static but not function scope static.
  73         (free): Skip deallocation attempts for objects placed into
  74         bootstrap buffers.
  75         * testsuite/libmudflap.cth/pass59-frag.c: New test.
  76
  77 2006-11-06  Frank Ch. Eigler  <fche@redhat.com>
  78
  79         From Herman ten Brugge <hermantenbrugge@home.nl>:
  80         * mf-runtime.c (__mf_uncache_object): Optimize the code so that
  81         small and large objects are handled a lot faster.
  82
  83 2006-11-06  Frank Ch. Eigler  <fche@redhat.com>
  84
  85         * configure.ac (__libc_freeres): Look for it.
  86         * mf-impl.h (call_libc_freeres): New configuration flag.
  87         * mf-runtime.c (__mf_set_default_options): Set it by default.
  88         (__mfu_report): Call it if needed.
  89         (__mfu_unregister): Remove "unaccessed registered object" warning.
  90         * configure, config.h.in: Regenerated.
  91
  92 2006-09-18  Tom Tromey  <tromey@redhat.com>
  93
  94         * configure: Rebuilt.
  95
  96 2006-06-21  Frank Ch. Eigler  <fche@redhat.com>
  97
  98         PR 21274
  99         mf-runtime.h installation based on ssp patch for PR 26473 from
 100         Mark Mitchell  <mark@codesourcery.com>.
 101         * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
 102         * Makefile.am (target_noncanonical): Define.
 103         (libsubincludedir): New variable.
 104         (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
 105         (include_HEADERS): Remove.
 106         * configure, aclocal.m4, config.h.in: Regenerated.
 107         * Makefile.in, testsuite/Makefile.in: Likewise.
 108         * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
 109         and _THREAD_SAFE redefinition values.
 110
 111 2006-05-23  Carlos O'Donell  <carlos@codesourcery.com>
 112
 113         * Makefile.am: Add install-html target. Add install-html to .PHONY
 114         * Makefile.in: Regenerate.
 115
 116 2006-04-19  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 117
 118         PR mudflap/26789
 119         * testsuite/libmudflap.c++/error1-frag.cxx: New test.
 120
 121         PR mudflap/26790
 122         * testsuite/libmudflap.c++/error2-frag.cxx: New test.
 123
 124 2006-04-10  Matthias Klose  <doko@debian.org>
 125
 126         * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
 127         directory names containing underscores.
 128
 129 2005-11-22  Janis Johnson  <janis187@us.ibm.com>
 130
 131         * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
 132         MUDFLAP_FLAGS if static library not supported.
 133         * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
 134         * testsuite/libmudflap.c/externs.exp: Ditto.
 135         * testsuite/libmudflap.c++/ctors.exp: Ditto.
 136         * testsuite/libmudflap.c++/c++frags.exp: Ditto.
 137         * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
 138
 139 2005-10-04  James E Wilson  <wilson@specifix.com>
 140
 141         * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
 142         $name as array of characters with unknown bound.  Also store into the
 143         array.
 144         * configure: Regenerate.
 145
 146 2005-09-30  James E. Wilson  <wilson@specifix.com>
 147
 148         * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
 149         AC_CHECK_HEADER.
 150         (target_thread_file): New.  Set from sed'ed gcc output.
 151         (posix_threads): New.  Set from target_thread_file.  Use instead of
 152         ac_have_pthread_h.
 153         (pthread_create_version): Move initialization before code using it.
 154         * configure: Regenerate.
 155
 156         * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
 157         bounds.
 158
 159 2005-09-29  James E. Wilson  <wilson@specifix.com>
 160
 161         * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
 162         with HAVE_MMAP ifdef.
 163
 164 2005-09-23  Frank Ch. Eigler  <fche@elastic.org>
 165
 166         PR 23084.
 167         * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
 168
 169 2005-09-23  Frank Ch. Eigler  <fche@elastic.org>
 170
 171         * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
 172
 173 2005-09-23  Tom Tromey  <tromey@redhat.com>
 174
 175         * aclocal.m4, configure: Rebuilt.
 176         * configure.ac: Use GCC_CHECK_TLS.
 177         * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
 178         to ../config.
 179
 180 2005-08-22  Jim Wilson  <wilson@specifix.com>
 181
 182         * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
 183         __FreeBSD__ is defined.
 184
 185 2005-08-17  Jim Wilson  <wilson@specifix.com>
 186
 187         * mf-hooks1.c (malloc, calloc, realloc, free,
 188         __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
 189         the real routines, and END_MALLOC_PROTECT afterwards.
 190         * mf-impl.h (enum __mf_state_enum): Expand comment.  Add in_malloc.
 191         (BEGIN_PROTECT): Handle in_malloc state.
 192         (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
 193         * testsuite/libmudflap.c/hook2-allocstuff.c: New.
 194
 195 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
 196
 197         * All files: Update FSF address.
 198
 199 2005-08-15  Ulrich Weigand  <weigand@informatik.uni-erlangen.de>
 200
 201         * mf-hooks3.c (main_seen_p): Remove.
 202         (__mf_get_state): Remove attempt to recognize the main thread.
 203
 204 2005-08-15  Maciej W. Rozycki  <macro@linux-mips.org>
 205
 206         * configure.ac: Test for the name of the symbol used for the entry
 207         point; define ENTRY_POINT to the result.
 208         * configure: Regenerate.
 209         * config.h.in: Regenerate.
 210         * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
 211
 212 2005-08-14  Ulrich Weigand  <weigand@informatik.uni-erlangen.de>
 213
 214         * mf-runtime.c (__mf_state_1): Initialize to reentrant.
 215         (__mf_init): Set thread state active.
 216         * mf-hooks3.c (__mf_pthread_spawner): Always set thread
 217         state active.
 218         (pthread_create wrapper): Always use thread spawner.
 219
 220         * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
 221         * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
 222
 223 2005-07-16  Richard Henderson  <rth@redhat.com>
 224
 225         * acinclude.m4: New file.
 226         * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
 227         * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
 228         * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
 229         (__mf_0fn_calloc): ... here.
 230         * mf-hooks3.c (struct pthread_info): Remove.
 231         (__mf_pthread_info, __mf_pthread_info_idx): Remove.
 232         (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
 233         (struct mf_thread_data): New.
 234         (mf_thread_data, mf_thread_data_lock): New.
 235         (__mf_allocate_blank_threadinfo): Remove.
 236         (__mf_find_threadinfo): Rewrite and simplify.  Only use if TLS is
 237         not available.
 238         (__mf_state_perthread): Remove.
 239         (__mf_get_state, __mf_set_state): New.
 240         (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
 241         Update mf_thread_data killing procedure.
 242         (__mf_pthread_spawner): Similarly.
 243         (__mf_0fn_pthread_create): Only use wrapper if necessary.  Remove
 244         code to allocate thread stack space.
 245         (__mf_0fn_pthread_join, pthread_join): Remove.
 246         (__mf_0fn_pthread_exit, pthread_exit): Remove.
 247         * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
 248         (__mf_state_1): Rename from __mf_state; use TLS when available.
 249         (__mf_get_state, __mf_set_state): New.  Update all users.
 250         * mf-runtime.c (begin_recursion_protect1): New.
 251         (BEGIN_RECURSION_PROTECT): Use it.
 252         (__mf_state_1): Rename from __mf_state; use TLS when available.
 253         (threads_active_p): Remove.
 254         (__mf_usage): Compute it directly.
 255
 256 2005-06-19  Ulrich Weigand  <uweigand@de.ibm.com>
 257
 258         * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
 259
 260 2005-06-15  Frank Ch. Eigler  <fche@redhat.com>
 261
 262         Fix for uncaching bug reported by Herman ten Brugge.
 263         * mf-runtime.c (__mf_uncache_object): Search whole cache.
 264         * testsuite/libmudflap.c/fail40-frag.c: New test.
 265
 266 2005-05-23  Alfred M. Szmidt  <ams@gnu.org>
 267
 268         PR libmudflap/21724
 269         * Makefile.am (AM_MAKEFLAGS): Pass includedir.
 270         * Makefile.in: Amend.
 271
 272 2005-06-14  Frank Ch. Eigler  <fche@redhat.com>
 273
 274         PR mudflap/21023
 275         * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
 276         * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
 277
 278 2005-06-14  Frank Ch. Eigler  <fche@redhat.com>
 279
 280         PR libmudflap/21094
 281         * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
 282
 283 2005-06-14  Frank Ch. Eigler  <fche@redhat.com>
 284
 285         PR mudflap/22064
 286         * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
 287         unsigned vars with #defines instead of enums.
 288
 289 2005-05-09  Mike Stump  <mrs@apple.com>
 290
 291         * configure: Regenerate.
 292
 293 2005-04-12  Mike Stump  <mrs@apple.com>
 294
 295         * configure: Regenerate.
 296
 297 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
 298
 299         PR mudflap/19266
 300         * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
 301         * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
 302
 303 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
 304
 305         * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
 306
 307 2005-03-31  Mike Stump  <mrs@apple.com>
 308
 309         * mf-runtime.h: Add libmudflap copyright clause.
 310
 311 2005-03-21  Mike Stump  <mrs@apple.com>
 312
 313         * mf-heuristics.c: Fix whitespace at end of line.
 314         * mf-hooks1.c: Likewise.
 315         * mf-hooks2.c: Likewise.
 316         * mf-hooks3.c: Likewise.
 317         * mf-impl.h: Likewise.
 318         * mf-runtime.c: Likewise.
 319         * mf-runtime.h: Likewise.
 320
 321 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
 322
 323         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
 324         In all substitutions, expand gcc_version in Makefile.
 325         * aclocal.m4, configure: Regenerate.
 326         * Makefile.am: Set gcc_version.
 327         * Makefile.in, testsuite/Makefile.in: Regenerate.
 328
 329 2005-03-17  Frank Ch. Eigler  <fche@redhat.com>
 330
 331         * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
 332         * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
 333
 334 2005-02-13  Frank Ch. Eigler  <fche@redhat.com>
 335
 336         PR mudflap/19319
 337         * testsuite/libmudflap.c++/pass55-frag.c: New test.
 338
 339 2005-01-05  Richard Henderson  <rth@redhat.com>
 340
 341         * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
 342
 343 2005-01-02  Greg McGary  <greg@mcgary.org>
 344
 345         * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
 346         * mf-runtime.h: New file, replaces mf-runtime.h.in.
 347         * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
 348         * Makefile.in: Ditto.
 349         * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
 350         * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
 351         * testsuite/libmudflap.c/fail36-frag.c: New test.
 352         * testsuite/libmudflap.c/fail37-frag.c: New test.
 353         * testsuite/libmudflap.c/fail38-frag.c: New test.
 354
 355 2004-12-08  Kelley Cook  <kcook@gcc.gnu.org>
 356
 357         * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
 358         * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
 359
 360 2004-12-02  Richard Sandiford  <rsandifo@redhat.com>
 361
 362         * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
 363         * aclocal.m4: Include ../config/gcc-version.m4.
 364         * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
 365
 366 2004-11-29  Kelley Cook  <kcook@gcc.gnu.org>
 367
 368         * Makefile.am: Define ACLOCAL_AMFLAGS.
 369         * acinclude.m4: Remove.
 370         * stamp-h.in: Remove superfluous stamp file.
 371         * aclocal.m4, configure, Makefile.in: Regenerate.
 372         * testsuite/Makefile.in: Likewise.
 373
 374 2004-11-24  Kelley Cook  <kcook@gcc.gnu.org>
 375
 376         * Makefile.am: Revert previous.
 377         * acinclude.m4: Restore.
 378         * aclocal.m4, configure, Makefile.in: Regenerate.
 379         * testsuite/Makefile.in: Likewise.
 380
 381 2004-11-24  Kelley Cook  <kcook@gcc.gnu.org>
 382
 383         * Makefile.am: Define ACLOCAL_AMFLAGS.
 384         * acinclude.m4: Remove.
 385         * aclocal.m4, configure, Makefile.in: Regenerate.
 386         * testsuite/Makefile.in: Likewise.
 387
 388 2004-11-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 389
 390         * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
 391
 392 2004-11-23  Kelley Cook  <kcook@gcc.gnu.org>
 393
 394         * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
 395         * testsuite/Makefile.in: Likewise.
 396
 397 2004-11-01  Andreas Schwab  <schwab@suse.de>
 398
 399         * configure.ac: (target_alias): Default to $host_alias, not
 400         $target.
 401         * configure: Regenerated.
 402
 403 2004-10-28  Frank Ch. Eigler  <fche@redhat.com>
 404
 405         * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
 406         * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
 407         message.
 408
 409 2004-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
 410
 411         PR other/18138
 412         * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
 413
 414 2004-10-12  Frank Ch. Eigler  <fche@redhat.com>
 415
 416         * configure.ac: Check for more headers, functions.
 417         * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
 418         tracking overridden FILE buffers.
 419         (fopen, setvbuf): New/revised hook functions for buffer overriding.
 420         (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
 421         (fflush): Accept given NULL stream (means "all streams").
 422         * mf-runtime.h.in:
 423         * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
 424         HEAP/GUESS objects.
 425         (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
 426         (__mf_adapt_cache): Use them all.
 427         * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
 428         * testsuite/libmudflap.c++/ctors.exp: Ditto.
 429         * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
 430         * configure, config.h.in: Regenerated.
 431
 432 2004-10-05  Frank Ch. Eigler  <fche@redhat.com>
 433
 434         * configure.ac: Checking for sys/socket.h once is enough.
 435         * configure: Regenerated.
 436
 437 2004-10-04  Frank Ch. Eigler  <fche@redhat.com>
 438
 439         * configure.ac: Look for more headers & functions.
 440         * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
 441         * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
 442         * mf-runtime.c (options): Clean up integer signedness warnings.
 443         (main): Add a declaration to fix a warning.
 444         * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
 445         * configure, config.h.in: Regenerated.
 446
 447 2004-10-02  Frank Ch. Eigler  <fche@redhat.com>
 448
 449         * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
 450         New tests for proper base/limit checking for aggregates.
 451
 452 2004-09-15  Joseph S. Myers  <jsm@polyomino.org.uk>
 453
 454         * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
 455
 456 2004-09-07  Frank Ch. Eigler  <fche@redhat.com>
 457
 458         * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
 459         * mf-hooks2.c (strerror): Unregister previous string returned by
 460         previous strerror.
 461         (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
 462         (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
 463         * mf-runtime.h.in: Add redefine_extname pragmas for them all.
 464         * mf-runtime.c (__mf_describe_object): Clarify object life status.
 465         * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
 466         New tests.
 467         * configure, config.h.in: Regenerated.
 468
 469 2004-08-03  Dale Johannesen  <dalej@apple.com>
 470
 471          * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
 472
 473 2004-08-03  Frank Ch. Eigler  <fche@redhat.com>
 474
 475         * mf-runtime.c (compare_uintptr_t): Remove function.  Inline
 476         simplified contents in all former callers.
 477
 478 2004-07-27  Ulrich Weigand  <weigand@informatik.uni-erlangen.de>
 479
 480         * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
 481         the statically linked case.
 482
 483 2004-07-27  Frank Ch. Eigler  <fche@redhat.com>
 484
 485         * splay-tree.[ch]: Remove.  Merge contents into ...
 486         * mf-runtime.c: ... here, renaming symbols and making all functions
 487         static.  Remove unused min/max functions.
 488         * Makefile.am: Forget about splay-tree.[ch].
 489         * Makefile.in, testsuite/Makefile.in: Regenerated.
 490
 491 2004-07-21  Frank Ch. Eigler  <fche@redhat.com>
 492
 493         * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
 494         (__mfu_usage): Include (C) 2004.
 495         * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
 496         here.  Include a comment explaining why.
 497
 498 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
 499
 500         * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
 501         * mf-runtime.c (options): Give them a name.
 502         (__mf_set_default_options): Set them.
 503         (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
 504         (__mf_violation): Warning cleanup.
 505         * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
 506         * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
 507
 508 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
 509
 510         g++/15861
 511         * mf-runtime.c (__mf_init): Make it non-static.  Tolerate
 512         repeated invocation.
 513
 514 2004-07-09  Frank Ch. Eigler  <fche@redhat.com>
 515
 516         Test case for g++/15861
 517         * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
 518         * testsuite/libmudflap.c++/ctors.exp: Driver.
 519         * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
 520         Look only for *frag* test cases.
 521
 522 2004-07-08  Frank Ch. Eigler  <fche@redhat.com>
 523
 524         ANSI C conversion, libmudflap specialization, recursion limiting.
 525         * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
 526         argument and indirection function pointers, update callers.
 527         (splay_tree_s): Add statistics and recursion control fields
 528         num_keys, max_depth, depth, rebalance_p.
 529         * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
 530         Back out of search if it exceeds limit.
 531         (splay_tree_splay): Manage recursion limiting with rebalancing as
 532         needed.
 533         (splay_tree_new): More initialization.
 534         (splay_tree_rebalance): New function.
 535         (splay_tree_foreach): Rewrite using nonrecursive logic.
 536         (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
 537         Remove.  Point indirect calls to mf-runtime.c's routines.
 538         (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
 539         functions.
 540         (splay_tree_delete, splay_tree_delete_helper): Ditto.
 541         * testsuite/heap-scalestress.c: New test based on one from
 542         Eyal Lebedinsky <eyal@eyal.emu.id.au>:
 543
 544 2004-07-05  Matthias Klose  <doko@debian.org>
 545
 546         * libtool-version: New.
 547         * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
 548         Use -version-info for soname.
 549         * Makefile.in: Regenerate.
 550         * configure.ac: Remove libtool_VERSION macro
 551         * configure: Regenerate
 552
 553 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
 554
 555         * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
 556         __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
 557         #ifndef _MUDFLAP.
 558
 559 2004-06-29  Frank Ch. Eigler  <fche@redhat.com>
 560
 561         Splay tree implementation fork.
 562         * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
 563         Use hard-coded comparison function for uintptr_t.  Remove key/value
 564         deallocation logic.  Cache last splayed key for consecutive lookups.
 565         * Makefile.am, Makefile.in: Use them, don't link to them.
 566         * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
 567         (__mf_find_objects2): Flip successor/predecessor search sequence.
 568         * ansidecl.h, libiberty.h: Removed dummy files.
 569
 570 2004-06-29  Nick Clifton  <nickc@redhat.com>
 571
 572         * configure.ac (AC_CHECK_HEADERS): Add dirent.h
 573         * configure: Regenerate.
 574         * mf-hooks2.c: Surround uses of dirent.h with #ifdef
 575         HAVE_DIRENT_H.
 576         Remove spurious inclusion of <strings.h>.
 577
 578 2004-06-29  Nick Clifton  <nickc@redhat.com>
 579
 580         * mf-runtime.c (pthread_join): Only apply the weak pragma if the
 581         function actually exists.
 582
 583 2004-06-25  Frank Ch. Eigler  <fche@redhat.com>
 584
 585         * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
 586         * config.h.in: Regenerated.
 587
 588 2004-06-24  Frank Ch. Eigler  <fche@redhat.com>
 589
 590         Adopt splay trees for object database.
 591         * Makefile.am: Copy splay-tree.* from libiberty.
 592         * Makefile.in, testsuite/Makefile.in: Regenerated.
 593         * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
 594         * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
 595         * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
 596         * mf-runtime.c: Rewrite code dealing with object database to use
 597         libiberty splay trees.  Remove tree liveness aging option.
 598         * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
 599
 600 2004-06-15  Paolo Bonzini  <bonzini@gnu.org>
 601
 602         * configure.ac: New name of configure.in.  Update
 603         AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
 604         AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
 605         Autoconf 2.5x and Automake 1.7 or later.
 606         * configure.in: Remove.
 607         * configure: Regenerate.
 608
 609         * Makefile.am: Remove useless multilib rules.
 610         * Makefile.in: Regenerate.
 611
 612 2004-06-15  Paolo Bonzini  <bonzini@gnu.org>
 613
 614         * .cvsignore: New file.
 615
 616 2004-06-10  Stephen Crowley  <stephen.crowley@sbcglobal.net>
 617
 618         PR libmudflap/13505
 619         * mf-hooks2.c (semctl): Add cygwin porting hack.
 620
 621 2004-06-09  Frank Ch. Eigler  <fche@redhat.com>
 622
 623         ctype support.
 624         * configure.in: Look for ctype header and glibc implementation.
 625         * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
 626         array hooks for glibc 2.3.
 627         * mf-runtime.h.in: Wrap them.
 628         * mf-runtime.c (__mf_init): Leave marker regarding other ctype
 629         implementations.
 630         * testsuite/libmudflap.c/pass47-frag.c: New test.
 631         * configure, config.h.in: Regenerated.
 632
 633 2004-06-04  Frank Ch. Eigler  <fche@redhat.com>
 634
 635         Portability improvements, e.g., libmudflap/15293.
 636         * configure.in: Look for glibc extension functions.  Look for
 637         support of -f{function,data}-sections.  Look for more headers.
 638         Create testsuite/mfconfig.exp.  Correct more "test x.." thinkos.
 639         * Makefile.am: Use $(SECTION_FLAGS).  Collapse piecemeal-compiled
 640         mf-hooks* into usual single object per source.
 641         * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
 642         * mf-hooks2.c: #include a bunch more system headers.  Define strnlen
 643         if system doesn't provide one.
 644         * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
 645         (pthread_create): Use it to properly GC dead thread stacks.
 646         * mf-runtime.c (__mf_violation): Correct snprintf type warning.
 647         * testsuite/Makefile.am: Stop generating site.exp.
 648         * testsuite/mfconfig.exp.in: New file.
 649         * testsuite/config/default.exp: Load new mfconfig.exp.
 650         * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
 651         (prune_gcc_output): Add glibc static linking warnings.
 652         * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
 653         * testsuite/libmudflap.c/pass46-frag.c: Ditto.
 654         * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
 655         Regenerated with autoconf 2.57 and automake 1.7.
 656
 657 2004-06-04  Per Bothner  <per@bothner.com>
 658
 659         * configure.in (LIBMUDFLAPTH):  Fix thinko.
 660
 661         * configure.in:  Check for more headers.
 662         * mf-hooks2.c:  Conditionalize on HAVE_SYS_SOCKET_H etc.
 663
 664         * mf-runtime.c:  In two places conditionalize on SIUSR1 rather than
 665         HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
 666
 667 2004-06-01  Andreas Jaeger  <aj@suse.de>
 668
 669         * configure.in: Handle multilibs, support
 670         --enable-version-specific-runtime-libs.
 671         * Makefile.am (lib_LTLIBRARIES): Rename to ...
 672         (toolexeclib_LTLIBRARIES): this for multilib support.
 673         * Makefile.in: Regenerated.
 674         * configure: Regenerated.
 675         * aclocal.m4: Regenerated.
 676         * config.h.in: Regenerated.
 677         * testsuite/Makefile.in: Regenerated.
 678
 679 2004-06-01  Andreas Jaeger  <aj@suse.de>
 680
 681         * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
 682         multilibs, using multilib directory instead of hardcoded path.
 683         Set LD_RUN_PATH.
 684
 685 2004-05-21  Frank Ch. Eigler  <fche@redhat.com>
 686
 687         * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
 688         * Makefile.in: Ditto.
 689
 690 2004-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
 691
 692         * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
 693         * aclocal.m4, configure: Rebuilt.
 694
 695 2004-05-17  Frank Ch. Eigler  <fche@redhat.com>
 696
 697         * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
 698         import some build settings from libstdc++-v3 testsuite_flags.
 699         * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
 700         changes to pass test language.
 701
 702         * mf-runtime.c (__mfu_check): Poison the cache with antidote for
 703         quicker mode-nop handling.
 704
 705 2004-03-25  Frank Ch. Eigler  <fche@redhat.com>
 706
 707         * mf-impl.h: Added libgcc license header.
 708
 709 2004-03-20  Frank Ch. Eigler  <fche@redhat.com>
 710
 711         * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
 712         Added libgcc license header.
 713         * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
 714         (pthread_create): Simplify stack allocation syntax.
 715
 716 2004-03-08  Loren J. Rittle  <ljrittle@acm.org>
 717
 718         * mf-hooks2.c: Support FreeBSD.
 719         (WRAP_gets): Avoid gets().
 720         * testsuite/libmudflap.c/pass-stratcliff.c: Do not
 721         test unimplemented mem/str calls on FreeBSD.
 722         * testsuite/libmudflap.c/pass21-frag.c: Do not include
 723         <alloca.h> on FreeBSD.
 724
 725 2004-01-30  Frank Ch. Eigler  <fche@redhat.com>
 726
 727         * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
 728         * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
 729         * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
 730         flags for static linking permutation.
 731         * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
 732         some pthreads code that croaks on linux glibc tls.
 733
 734 2004-01-27  Frank Ch. Eigler  <fche@redhat.com>
 735
 736         * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
 737
 738 2004-01-15  Frank Ch. Eigler  <fche@redhat.com>
 739
 740         * testsuite/libmudflap.c/pass44-frag.c: New test.
 741
 742 2004-01-12  Frank Ch. Eigler  <fche@redhat.com>
 743
 744         * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
 745
 746 2004-01-08  Frank Ch. Eigler  <fche@redhat.com>
 747
 748         * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
 749
 750 2003-12-11  Frank Ch. Eigler  <fche@redhat.com>
 751
 752         * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
 753
 754 2003-12-08  Andrew Pinski  <pinskia@physics.uc.edu>
 755
 756         PR libmudflap/12670
 757         * configure.in: Add check for see if
 758         socklen_t typedef is in sys/socket.h.
 759         * mf-hooks1.c: Add define if socklen_t
 760         is not typedef.
 761         * mf-hooks2.c: Likewise.
 762         * mf-hooks3.c: Likewise.
 763         * config.h.in: Regen.
 764         * configure: Regen.
 765
 766 2003-12-08  Frank Ch. Eigler  <fche@redhat.com>
 767
 768         * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
 769         * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
 770         optimizations.
 771         * testsuite/libmudflap.c/pass25-frag.c: Ditto.
 772         * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
 773         (unoptimized) allocation of stack space.
 774
 775 2003-12-07  Richard Henderson  <rth@redhat.com>
 776
 777         * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
 778         * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
 779
 780 2003-12-06  Andrew Pinski <apinski@apple.com>
 781
 782         partial PR libmudflap/12670
 783         * mf-hooks1.c: Respect Darwin checks.  Conditionalize POSIX_SOURCE.
 784         * mf-hooks2.c: Likewise.
 785         * mf-hooks3.c: Likewise.
 786
 787 2003-11-19  Frank Ch. Eigler  <fche@redhat.com>
 788
 789         libstdc++/11696
 790         * mf-runtime.h.in: Switch to #pragma redefine_extname for
 791         symbols interposed at compile time.
 792         * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
 793
 794         libmudflap/12939
 795         * mf-hooks2.c (semctl): Tolerate FreeBSD.
 796
 797         * configure.in: Reorganize check for <pthread.h>.
 798         * configure: Regenerated.
 799
 800 2003-11-04  David Edelsohn  <edelsohn@gnu.org>
 801
 802         * mf-runtime.c (_ALL_SOURCE): Define for AIX.
 803         (_LARGE_FILE_API): Define for AIX.
 804         * mf-hooks[123]: Same.
 805         (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
 806
 807 2003-10-21  David Edelsohn  <edelsohn@gnu.org>
 808
 809         * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
 810
 811 2003-07-29  Frank Ch. Eigler  <fche@redhat.com>
 812
 813         2003-07-29  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
 814
 815         * configure.in: Update check for union semun.
 816
 817 2003-07-29  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
 818
 819         PR other/11673
 820         * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
 821
 822 2003-07-29  Frank Ch. Eigler  <fche@redhat.com>
 823
 824         PR other/11673
 825         * configure.in: Add checks for 64-bit LFS functions, struct semun
 826         definition, for BSD compatibility.
 827         * mf-hooks1.c: Respect BSD checks.  Conditionalize POSIX_SOURCE.
 828         * mf-hooks2.c: Ditto.  Include <strings.h> for bcmp* decls.
 829         * mf-hooks3.c: Ditto.
 830         (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
 831         mmap flag.
 832         * configure, config.h.in: Regenerated.
 833
 834 2003-07-23  Frank Ch. Eigler  <fche@redhat.com>
 835
 836         Multithreading fixes:
 837         * mf-runtime.c (__mf_object): Store allocating/deallocating
 838         thread id.
 839         (options): Support new "-thread-stack" option.
 840         Rename "-heur-argv-environ" option to "-heur-stdlib".
 841         Disable "-lc-mask" and "-lc-shift" options.
 842         (__mf_dynamic): Add function pointers for pthread_join/_exit.
 843         (__assert_fail): New self-contained function for glibc.
 844         * mf-hooks3.c: Essentially rewritten, particularly related to
 845         use of __mf_pthread_info array.
 846         (pthread_join, _exit): New hook functions.
 847         * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
 848         * testsuite/libmudflap.cth/pass40-frag.c: New test.
 849
 850         Warning cleanups:
 851         * mf-heuristics.c: Add type casts for tracing, sub calls.
 852         * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
 853         Update all callers to declare explicit result holder.
 854         (END_PROTECT): Removed.
 855         * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
 856
 857 2003-07-15  Diego Novillo  <dnovillo@redhat.com>
 858
 859         * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
 860         * testsuite/libmudflap.c/fail15-frag.c: Likewise.
 861         * testsuite/libmudflap.c/fail13-frag.c: Likewise.
 862
 863 2003-07-04  Frank Ch. Eigler  <fche@redhat.com>
 864
 865         * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
 866         * mf-hooks: Removed.
 867         * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
 868         Move these macros from old mf-hooks.c here.
 869         * Makefile.am: Adapt to split-up hook sources for faster builds.
 870         * Makefile.in: Regenerated.
 871
 872         * mf-heuristics.c: Remove #if-0 block.
 873
 874         * mf-impl.h (__mf_state): Reorganize declaration and implementation.
 875         (__mf_starting_p): New state only for use while dlsym bootstrapping.
 876         (CALL_REAL, __mf_init): Corresponding changes.
 877         (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix.  Update
 878         all callers to remove redundant "mf:" prefix.
 879         * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
 880         * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
 881         (__mf_pthread_info): Become a hash table.
 882
 883         * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
 884         "dg-repetitions" directives to control test case execution.
 885         * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
 886         options.
 887         * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
 888
 889 2003-06-25  Frank Ch. Eigler  <fche@redhat.com>
 890
 891         * mf-hooks.c (alloca): Separate into stub.
 892         (__mf_wrap_alloca_indirect): New function.  Use CALL_REAL
 893         malloc/free for alloca blocks.
 894         (pthread_create): Tolerate failing pthread_attr_get* calls.
 895         * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
 896         * mf-impl.h (CALL_WRAP): Remove macro.
 897         * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
 898         * testsuite/libmudflap.c/pass23-frag.c: Include more struct
 899         padding for ia64 BIT_FIELD_REF constructs.
 900
 901 2003-06-19  Frank Ch. Eigler  <fche@redhat.com>
 902
 903         * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
 904         (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
 905         libmudflap object type.
 906         * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
 907         crashes on unregistering STATIC objects.
 908
 909 2003-06-17  Frank Ch. Eigler  <fche@redhat.com>
 910
 911         Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
 912         * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
 913         (time, strerror, fopen, fopen64, fclose, fread): New hooks.
 914         (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
 915         (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
 916         (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
 917         (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
 918         (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
 919         (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
 920         (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
 921         (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
 922         (accept, bind, connect, gethostname, sethostname): New hooks.
 923         (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
 924         (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
 925         (semop, semctl, shmctl, shmat, shmdt): New hooks.
 926         * mf-runtime.h.in: Corresponding changes.
 927         * mf-runtime.c (__mf_ini): Register stdio objects.  Use STATIC type.
 928         (opts) Rename heur_argv_environ to heur_std_data.
 929         (__mf_wrap_main): Use STATIC type for argv/environ strings.
 930         * Makefile.am: Corresponding changes.
 931         * Makefile.in: Regenerated.
 932
 933 2003-06-11  Frank Ch. Eigler  <fche@redhat.com>
 934
 935         * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
 936         heuristic for threaded case, and for non-x86-linux targets.
 937         * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
 938         for use during pre-main() program startup.
 939         (__mf_0fn_*): Make these functions non-static.
 940         * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
 941         functions.
 942         * mf-runtime.c (__mf_state): Set initial state to "starting".
 943         (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
 944         (__wrap_main): New function to register argv[] and environ[] strings.
 945         (__mf_ini): Call it.
 946         (*): In all trace functions, use "%p" as formatter for uintptr_t.
 947
 948         * testsuite/libmudflap.c/pass38-frag.c: New test case.
 949         * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
 950
 951         * acinclude.m4: Add comments with aoliva's concerns about x86_64
 952         pass_all.
 953         * aclocal.m4, configure: Regenerated.
 954
 955 2003-06-04  Frank Ch. Eigler  <fche@redhat.com>
 956
 957         * acinclude.m4: Correct typo in AC_MSG_CHECKING.
 958         * aclocal.m4, configure: Regenerated.
 959
 960 2003-06-03  Frank Ch. Eigler  <fche@redhat.com>
 961
 962         * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
 963         for x86_64 target.  Disable caching for this value.
 964         * aclocal.m4, configure: Regenerated.
 965
 966 2003-06-02  Frank Ch. Eigler  <fche@redhat.com>
 967
 968         * testsuite/libmudflap.c/pass38-frag.c: Deleted.  -fwritable-strings
 969         is about to become deprecated, and its present handling bugs are
 970         unworthy of fixing.
 971
 972 2003-05-30  Frank Ch. Eigler  <fche@redhat.com>
 973
 974         * testsuite/libmudflap.c/pass38-frag.c: New test for
 975         -fwritable-strings.
 976
 977 2003-05-23  Frank Ch. Eigler  <fche@redhat.com>
 978
 979         * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
 980         __mf_report, asserting reentrant calling context.
 981
 982 2003-05-23  Frank Ch. Eigler  <fche@redhat.com>
 983
 984         * mf-hooks.c (realloc): Correct reentrancy logic.
 985         * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
 986
 987 2003-05-20  Frank Ch. Eigler  <fche@redhat.com>
 988
 989         * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
 990         PTHREAD_THREADS_MAX.  Update users.
 991         * mf-runtime.c (__mf_usage): Print [active] instead of [default]
 992         for active options.
 993         * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
 994         with libmudflapth presence indicator.
 995         * testsuite/Makefile.in: Regenerated.
 996
 997 2003-05-16  Frank Ch. Eigler  <fche@redhat.com>
 998
 999         * Makefile.am (AM_CFLAGS): Remove "-ansi".
1000         * configure.in: Remove silly no-pthreads => no-shared logic.
1001         * Makefile.in, configure: Regenerated.
1002         * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
1003         * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
1004         code.  Count reentrancy events.
1005         (all hook functions): Don't directly manipulate __mf_state variable.
1006         Add TRACE calls to hook functions without them.
1007         * mf-impl.h (LOCKTH): Try to count lock contention events.
1008         (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
1009         * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
1010         Reorganize reentrancy code.
1011         (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
1012         identify reentrancy with mutex holding times.
1013         (internal __mfu_ entry points): Remove internal reentrancy code.
1014         (__mf_init): Use ordinary locked calls.
1015         (__mfu_report): Print the two new counts.
1016         * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
1017         * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
1018         * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
1019         * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
1020         option defaults.
1021
1022 2003-05-09  Frank Ch. Eigler  <fche@redhat.com>
1023
1024         * configure.in: Add pthread support, plus glibc and porting hacks.
1025         * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
1026         from objects built into ./pth/.
1027         * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
1028         functions for internal entry points.  Update callers to pick
1029         locked vs. unlocked variants.
1030         (__mf_resolve_single_dynamic): Extend to support symbol versioning
1031         info coming in from a static data structure.
1032         (*): Reorder miscellaneous declarations to group data vs functions.
1033         (__mf_set_default_options): Simplify.
1034         (__mf_usage): Mention threading status of host executable.
1035         * mf-impl.h: Move max/min decls here.  Reorganize __mf_dynamic
1036         decls to match above.
1037         (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
1038         * mf-heuristics.c: Choose between locked/unlocked calls.  Add
1039         some lock/unlock markers.  Remove some unused code.
1040         * mf-hooks: Ditto.
1041         (pthread_create): New hook function.
1042         (__mf_pthread_cleanup, _spawner): New helper functions.
1043         * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
1044
1045 2003-05-02  Frank Ch. Eigler  <fche@redhat.com>
1046
1047         * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
1048
1049 2002-04-28  Frank Ch. Eigler  <fche@redhat.com>
1050
1051         * Makefile.am (HOOKOBJS): Add *time related hooks.
1052         * configure.in: Look for pthreads.h header.
1053         * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
1054         * mf-runtime.c: Begin sketching some pthreads support.
1055         (__mf_usage): Check for -lpthread presence.
1056         (__mf_unregister): Confirm matching unregistration base.
1057         (__mf_find_objects_rec): Reduce unnecessary recursion.
1058         * mf-runtime.h.in: Add "nothrow" attribute to functions.  Add
1059         #defines for new hook functions.
1060         * mf-impl.h: Corresponding changes.
1061         * config.h.in, configure, Makefile.in: Regenerated.
1062
1063 2002-04-27  Diego Novillo  <dnovillo@redhat.com>
1064
1065         * testsuite/libmudflap.c/fail1-frag.c: Add volatile
1066         modifiers to prevent being optimized away.
1067         * testsuite/libmudflap.c/fail10-frag.c: Likewise.
1068         * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1069         * testsuite/libmudflap.c/fail14-frag.c: Likewise.
1070         * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1071         * testsuite/libmudflap.c/fail2-frag.c: Likewise.
1072         * testsuite/libmudflap.c/fail20-frag.c: Likewise.
1073         * testsuite/libmudflap.c/fail3-frag.c: Likewise.
1074
1075 2003-04-15  Frank Ch. Eigler  <fche@redhat.com>
1076
1077         * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1078         * configure.in: Look for uintptr_t and -ldl on target.
1079         * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1080         * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1081         * testsuite/Makefile.in: Regenerated.
1082         * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1083         for better C compliance.
1084
1085 2003-04-15  Frank Ch. Eigler  <fche@redhat.com>
1086
1087         * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1088         prevention code.
1089         * mf-runtime.c (__mf_set_default_options): Turn off
1090         check-initialization.
1091         (__mf_describe_object): Shorten description.
1092         * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1093
1094 2003-04-07  Frank Ch. Eigler  <fche@redhat.com>
1095
1096         * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1097
1098 2003-04-02  Frank Ch. Eigler  <fche@redhat.com>
1099
1100         * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1101         calls specially.
1102         (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1103         * mf-impl.h (CALL_BACKUP): New macros.
1104         * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1105
1106 2003-03-31  Frank Ch. Eigler  <fche@redhat.com>
1107
1108         * Makefile.am (AM_CFLAGS): Remove optimization flags.
1109         (HOOKOBJS): Remove dlopen hook.
1110         (libmudflap_la_LIBADD): Add -ldl.
1111         * mf-hooks.c (dlopen): Remove hook.
1112         * mf-impl.h (__mf_dynamic): Ditto.
1113         * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1114         * Makefile.in: Regenerated.
1115
1116 2003-03-28  Frank Ch. Eigler  <fche@redhat.com>
1117
1118         * configure.in: Check for target gettimeofday, signal, some headers.
1119         * mf-impl.h (__mf_opts): Add new "sigusr1_report" field.  Comment
1120         out inop multi_threaded field.
1121         * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1122         (__mf_set_options): Correct handling of "-help".
1123         (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1124         (__mf_check, __mf_register, __mf_unregister): Call it.
1125         (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1126         (__mf_report_leaks): Make callable
1127         (__mf_tree_analyze): Traverse in-order.  Accumulate address bit
1128         distribution statistics.
1129         (__mf_adapt_cache): Rewrite shift guessing logic based on address
1130         bit distributions.
1131         * config.h.in, configure: Regenerated.
1132         * testsuite/libmudflap.c/fail27-frag.c: New test.
1133         * testsuite/libmudflap.c/pass36-frag.c: New test.
1134
1135 2003-03-11  Frank Ch. Eigler  <fche@redhat.com>
1136
1137         * mf-runtime.h.in: Tweak.
1138         * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1139         Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1140         * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1141
1142 2003-03-10  Frank Ch. Eigler  <fche@redhat.com>
1143
1144         * configure.in: Tweak generation of mf-runtime.h some more.  It
1145         needs to work from both config.status and configure.
1146         * configure: Regenerated.
1147
1148 2003-03-10  Frank Ch. Eigler  <fche@redhat.com>
1149
1150         * Makefile.am: Reorganize hook file building.  Add auto dependencies.
1151         * configure.in: Tweak generation of mf-runtime.h.
1152         * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1153         * mf-hooks.c (*): Adapt to initialized-heap object type.
1154         * mf-impl.h: Tweak cemetary boundaries.
1155         * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1156         type.
1157         (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1158         (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1159         * testsuite/lib/libmudflap.exp (includes): Include build tree.
1160         * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1161         checking.
1162         * testsuite/.../fail{25,26}-frag.c: New tests.
1163         * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1164         * Makefile.in, configure: Regenerated.
1165
1166 2003-03-05  Frank Ch. Eigler  <fche@redhat.com>
1167
1168         * mf-runtime.c (__mf_set_default_options): Turn on initialization
1169         checking by default.
1170         (__mf_insert_new_object): As a temporary hack, assume that new
1171         objects registered on the stack start out initialized.
1172         * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1173         heap objects by hand.
1174
1175 2003-03-05  Frank Ch. Eigler  <fche@redhat.com>
1176
1177         Switch to macro-style hooks for str*/mem*/b* functions.
1178         * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1179         (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1180         * mf-runtime.c: #include config.h to enable glibc backtraces again.
1181         (__mf_set_default_options): Turn off heur_proc_map.
1182         (*): Adapt to to macro-style hook functions.
1183         (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1184         (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1185         (__mf_violation): Handle __MF_VIOL_WATCH.
1186         * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1187         (__mf_dynamic): Removed mem*/str*/b* functions.
1188         (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1189         (WRAPPER2): New macro for macro-style hooks.
1190         * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1191         macro-style hooks.
1192         (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1193         * mf-heuristics.c: Adapt to macro-style hook functions.
1194         Correct some comments.
1195         * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1196         output pattern tests.
1197         * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1198         * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1199
1200 2003-02-28  Frank Ch. Eigler  <fche@redhat.com>
1201
1202         * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1203         for global array registration.
1204         * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1205         * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1206
1207 2003-02-27  Frank Ch. Eigler  <fche@redhat.com>
1208
1209         * Makefile.am: Add gross make bug workarounds.  Tweaked
1210         SUBDIRS and AM_CFLAGS.
1211         * Makefile.in: Regenerated.
1212
1213 2003-02-26  Frank Ch. Eigler  <fche@redhat.com>
1214
1215         Switch to dejagnu.
1216         * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1217         * Makefile.am (TESTS): Remove simple automake testing.
1218         * configure, Makefile.in: Regenerated.
1219         (SUBDIRS): Include new testsuite/ directory.
1220         * tests/*: Removed all files; moved bulk under:
1221         * testsuite/*: New subdirectory tree.
1222         * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1223         * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1224         * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1225         * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1226         * testsuite/config/default.exp: New file.
1227         * testsuite/Makefile.am, Makefile.in: New files.
1228
1229 2003-01-29  Frank Ch. Eigler  <fche@redhat.com>
1230
1231         * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1232         (TESTS): Add fail22 and pass29 tests.
1233         * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1234         Add new access-type parameter for __mf_check.  Move __MF_VIOL* out.
1235         * mf-impl.h: Corresponding changes.  Update CLAMP* macros for void*
1236         values.  Move __MF_VIOL* here.
1237         * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1238         (check_initialization): New field in __mf_opts.  Default off.
1239         (read_count,write_count): New fields in __mf_object.
1240         (__mf_check): Implement basic initialization checking.
1241         (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1242         (__mf_describe_object): Print new fields.
1243         (__mf_violation): Identify check/read vs. check/write in messages.
1244         * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1245         "-check-initialized" mudflap option.
1246         * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1247         * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1248         Drop __FILE__/__LINE__ hack.  Update callers.
1249         (*): Adapt to new mf-runtime.h API.
1250         * Makefile.in: regenerated.
1251
1252 2003-01-24  Frank Ch. Eigler  <fche@redhat.com>
1253
1254         * configure.in: Build mf-runtime.h a more proper way.
1255         * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1256         * mf-runtime.c (verbose_violations): Turn on by default.
1257         * mf-runtime.h.in: Remove some miscellaneous stuff ...
1258         * mf-impl.h: ... and move it here.
1259         * configure: Regenerated.
1260
1261 2003-01-22  Frank Ch. Eigler  <fche@redhat.com>
1262
1263         * configure.in: Look for C++ compiler.
1264         * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1265         fixed type warnings when built with C++.
1266         * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1267         * Makefile.am (TESTS): Run them.
1268         (*) Add new rules for building and running C++ tests.
1269         (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1270         * mf-runtime.h.in: Protect with extern "C".
1271         * Makefile, configure: Regenerated.
1272
1273 2003-01-06  Frank Ch. Eigler  <fche@redhat.com>
1274
1275         Portability improvements.
1276         * configure.in: Look for glibc backtrace headers/functions.
1277         * mf-hooks.c: Don't include <execinfo.h> any more.
1278         * mf-runtime.c (__mf_set_options): Call more stdlib functions
1279         via CALL_REAL.
1280         (__mf_backtrace): Provide alternate baby implementation in
1281         absence of glibc.
1282         * test/mf-driver.c: Portability tweaks.
1283         * acinclude.m4: New file, containing top level libtool.m4.
1284         * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1285
1286 2002-12-19  Frank Ch. Eigler  <fche@redhat.com>
1287
1288         * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1289
1290 2002-11-08  Frank Ch. Eigler  <fche@redhat.com>
1291
1292         * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1293         options.
1294         (__mf_unregister): Implement stack/heap object wiping.
1295         (__mf_set_options): Renamed from __mf_process_opts.
1296         (__mf_uncache_object): Change arg type, correct callers.
1297         * mf-impl.h: Corresponding changes.
1298         * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1299         * mf-runtime.h.in (__mf_set_options): Extend public API.
1300         * test/pass26-frag.c: New test for stack wiping.
1301         * Makefile.am (TESTS): Run it.
1302         * Makefile.in: Regenerated.
1303
1304 2002-11-07  Frank Ch. Eigler  <fche@redhat.com>
1305
1306         * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1307         * mf-runtime.c (__mf_object_t): Add watching_p field.
1308         (__mf_watch_or_not): New function to implement
1309         object watch flagging.
1310         (__mf_watch, __mf_unwatch): New wrappers for above.
1311         (__mf_check, __mf_describe_object): Handle objects with watching_p.
1312         (__mf_count_violation): Enlarge array.
1313         (__mf_uncache_object): Renamed from __mf_remove_old_object.  Don't
1314         unlink object.  Clear cache properly.
1315         (__mf_unregister): Unlink object explicitly before uncaching.
1316         * test/fail21-frag.c, pass25-frag.c: New tests.
1317         * Makefile.in, aclocal.m4: Regenerated.
1318
1319 2002-11-05  Frank Ch. Eigler  <fche@redhat.com>
1320
1321         * test/fail20-frag.c: New test for NULL pointer dereferencing.
1322         * Makefile.am (TESTS): Add it.
1323         * test/pass-stratcliff.c: Add decls of stpcpy.
1324         * configure.in: Test for <stdint.h>.  Generate mf-runtime.h in
1325         build tree from config.h and new file mf-runtime.h.in.
1326         * mf-runtime.h.in: Renamed from mf-runtime.h.  Tweak uintptr_t decl.
1327         * Makefile.in, configure, config.h.in: Regenerated.
1328         * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1329         * mf-runtime.c (options, __mf_set_default_options): Support new
1330         default "abbreviate" option.
1331         (__mf_object.description_epoch): New field.
1332         (__mf_describe_object): Conditionally abbreviate objects already
1333         displayed in current epoch.  Accept NULL input to increment epoch.
1334         (__mf_fini, __mf_ini): Reset description epoch.
1335         (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1336         that NULL pointer slot in lookup cache is invalidated.  Register a
1337         NOACCESS region around NULL.
1338         * mf-impl.h: Corresponding changes.
1339
1340 2002-10-16  Frank Ch. Eigler  <fche@redhat.com>
1341
1342         * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1343         * Makefile.am: Run them.  Install mf-runtime.h.
1344         * Makefile.in: Regenerated.
1345         * mf-hooks.c: Add some markers for more missing functions.
1346         * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1347         statistic to tune tune cache size (mask).
1348
1349 2002-10-01  Frank Ch. Eigler  <fche@redhat.com>
1350
1351         * test/pass23-frag.c: New test for bit_field_ref expressions.
1352         * Makefile.am, Makefile.in: Add new test.
1353         * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1354         (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1355         * mf-runtime.c (__mf_init): Register errno global.
1356         (__mf_find_object): Removed function.
1357         (__mf_check): Rewrite logic to support accesses across some
1358         contiguous but distinctly registered objects.
1359         (__mf_remove_old_object): Tolerate cache entries that span
1360         contiguous objects.
1361
1362 2002-09-30  Frank Ch. Eigler  <fche@redhat.com>
1363
1364         * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1365         * Makefile.am, Makefile.in: Run new tests.
1366         * mf-hooks.c (alloca): Correct stack direction logic.
1367
1368 2002-09-26  Frank Ch. Eigler  <fche@redhat.com>
1369
1370         * mf-impl.h (adapt_cache): New option.
1371         * mf-runtime.c (__mf_set_default_options): Set its default value.
1372         Tweak the tree_aging parameter down.
1373         (__mf_check): Maintain separate counter for cache-adaptation.
1374         (__mf_tree_analyze): New function to collect object tree stats.
1375         (__mf_adapt_cache): New function to automate cache parameters.
1376
1377 2002-09-24  Frank Ch. Eigler  <fche@redhat.com>
1378
1379         * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1380         hypothetical #if-0'd argv/envp region registration.
1381         * mf-runtime.c (__mf_init): Add kludged form of above.
1382         (*) Add "heur_argv_environ" flag, default on, to govern this.
1383         * mf-impl.h: Corresponding changes.
1384
1385 2002-09-20  Frank Ch. Eigler  <fche@redhat.com>
1386
1387         * test/fail18-frag.c: New test file for NOACCESS regions.
1388         * Makefile.am (TESTS): Add new test.
1389         * Makefile.in: Regenerated.
1390
1391         * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1392         * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1393         (optimize_object_tree): Remove unused mudflap_option.
1394         * mf-runtime.h (__MF_TYPE_NOACCESS): New region type.  Add printing
1395         support throughout.  Use .._MAX_CEM for cemetary upper bound.
1396         * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1397         regions.
1398         (__mf_object): Add new liveness field for use by tree aging.
1399         (__mf_check): Trigger tree aging when needed.
1400         (__mf_age_tree): New function to decay liveness field.
1401         (__mf_find_objects_rec): Use liveness field to rotate tree.
1402         (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1403         (__mf_unregister): Ditto.
1404         (__mf_register): Tweak duplicate-static message.
1405         (__mf_violation: Tweak nearby-object counter printing.
1406
1407 2002-09-16  Frank Ch. Eigler  <fche@redhat.com>
1408
1409         * test/pass20-frag.c: New test file.
1410         * Makefile.am (TESTS): Reorganize.  Add pass20 test.
1411         * Makefile.in: Regenerated.
1412
1413         * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros.  Update callers.
1414         * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1415         * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1416         entries to avoid repeat registration.
1417         * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1418         (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1419
1420 2002-09-09  Frank Ch. Eigler  <fche@redhat.com>
1421
1422         * Makefile.am: Create test sources with #include, not cat>>.
1423         * Makefile.in: Regenerated.
1424         * test/buildtest.sh: Removed.
1425         * test/driver.c (abort_handler, main): Be quiet.
1426
1427 2002-09-06  Frank Ch. Eigler  <fche@redhat.com>
1428
1429         * test/pass18-frag.c, pass19-frag.c: New tests.
1430         * Makefile.am (check): Run them.  Rebuild test programs each time.
1431         * Makefile.in: Regenerated.
1432
1433 2002-09-06  Frank Ch. Eigler  <fche@redhat.com>
1434
1435         * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1436         overlapping object search.
1437         (__mf_violation): Likewise for nearby objects.
1438         Improve nearby-object listing.
1439
1440         cleanup:
1441         * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1442         * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1443
1444 2002-09-03  Frank Ch. Eigler  <fche@redhat.com>
1445
1446         alloca support:
1447         * Makefile.am (AM_CFLAGS): New definition of needed settings.
1448         (HOOKOBJS): Add alloca-hook.o.
1449         * mf-hooks.c (alloca): New function to implement alloca in libiberty
1450         style.
1451         * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1452         (__mf_backtrace): Reimplement without using alloca.
1453         * Makefile.in: Regenerated.
1454
1455         cleanup:
1456         * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1457         Correct signedness bugs in length-tracking variables.
1458         * mf-impl.h: Make options unsigned.
1459         (CALL_WRAP): New macro to parallel CALL_REAL().
1460         (DECLARE): Remove erroneous ";" at end.
1461         * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1462         formatting specs with %08lx.  Correct several compiler warnings.
1463
1464 2002-08-28  Frank Ch. Eigler  <fche@redhat.com>
1465
1466         * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1467
1468 2002-08-27  Frank Ch. Eigler  <fche@redhat.com>
1469
1470         libmudflap hook breakup:
1471         * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1472         for libgcc_s.
1473         (TESTS): Make dependent on libmudflap.
1474         (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1475         compiled from segments of mf-hooks.c.
1476         * mf-hooks.c: Corresponding changes: wrap each function in
1477         #ifdef/#endif.
1478         * Makefile.in: Regenerated.
1479
1480         Heuristics reorganization:
1481         * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1482         Remove these functions.  Update callers.
1483         (__mf_heuristic_check): Incorporate all the various heuristics.
1484         Encode cacheability/retry judgement into trinary return value.
1485         Separate start-end logic into a separate fallback heuristic.  Only
1486         register relevant /proc/self/map segments.
1487         * mf-impl.h: Corresponding changes.
1488         * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1489         (__mf_init): Don't call __mf_init_heuristics.
1490
1491         Tracing cleanup:
1492         * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1493         "-verbose-trace" to emit all tracing messages other than those of
1494         basic public api.  Eliminate some duplicate/excessive messages.
1495         * mf-runtime.h: Corresponding changes.
1496
1497 2002-08-27  Graydon Hoare  <graydon@redhat.com>
1498
1499         * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1500         and __real when compiled with -DPIC.
1501         * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1502         * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1503         * Makefile.in: Regenerate.
1504
1505 2002-08-26  Graydon Hoare  <graydon@redhat.com>
1506
1507         * mf-impl.h: New file, private implementation header.
1508         * mf-runtime.h: Reorganize a bit.
1509         (CLAMPSZ): Fix arithmetic.
1510         (__MF_CACHE_MISS_P): Fix arithmetic.
1511         * mf-runtime.c: Reorganize a bit.
1512         (__mf_dynamic): New structure.
1513         (resolve_single_dynamic): New function.
1514         (__mf_resolve_dynamics): New function.
1515         (__mf_init): Initialize dynamic wrappers.
1516         * mf-hooks.c: Macro-ize __real calls.
1517         Clamp various bits of arithmetic.
1518         Add explicit __mf_check call contexts.
1519         * Makefile.am: Add dependencies on mf-impl.h
1520         * Makefile.in: Regenerate.
1521         * configure.in: Comment out shared override.
1522         * configure: Regenerate.
1523
1524 2002-08-22  Graydon Hoare  <graydon@redhat.com>
1525
1526         * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1527         (__mf_check): Re-inialize and check heuristics before violation.
1528         (__mf_register): Permit updating pure-guess regions.
1529         * mf-hooks.c (__wrap_free): Correct some free queue logic.
1530         (__wrap_dlopen): New wrapper function.
1531         (__wrap_mmap): New wrapper function.
1532         (__wrap_munmap): New wrapper function.
1533         * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1534         which are not stack addresses.
1535         (is_stack_address): New function.
1536         (__mf_init_heuristics): Save and restore state, always initialize with
1537         "starting" state.
1538
1539 2002-08-21  Frank Ch. Eigler  <fche@redhat.com>
1540
1541         * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1542         error.  Pass location string.
1543         (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1544         * mf-runtime.c (options): Add lc-mask, lc-shift options.
1545         (__mf_process_opts): Apply some sanity checking for lc-mask.
1546         (__mf_check, __mf_violation): Take new location-string argument.
1547         Update callers to pass NULL if necessary.
1548         (__mf_backtrace): New smart backtracer function.  Calls replace
1549         several ad-hoc blocks elsewhere.
1550         (__mf_describe_object): Remove bad reentrancy test.  Improve
1551         tracing message.
1552         * mf-runtime.h: Corresponding changes.  Public/private markup.
1553         (__MF_CACHE_MISS_P): New macro.
1554
1555 2002-08-20  Graydon Hoare  <graydon@redhat.com>
1556
1557         * mf-runtime.h: New option: stack_bound (heuristic).
1558         Move some macros out of implementation files.
1559         * mf-runtime.c: New option string: -stack-bound.
1560         Unify recursion protection with hooks.
1561         Add more logging.
1562         (__mf_check): Call __mf_heuristic_check.
1563         (__mf_process_opts): Fix "no-" processing.
1564         * mf-heuristics.c (__mf_heuristic_check): New function.
1565         * mf-hooks.c: Much off-by-one fixing, recursion protection.
1566
1567 2002-08-20  Frank Ch. Eigler  <fche@redhat.com>
1568
1569         Option parsing improvements, region splitting bug fixes:
1570         * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1571         * mf-runtime.h (heur_proc_map): New libmudflap option.
1572         * mf-runtime.c (__mf_set_default_options): Set it.
1573         (__mf_usage): Print default values/status.
1574         (__mf_process_opts): Support general "no-" option string prefix.
1575         (__mf_init): Print __mf_usage on unknown-option error.
1576         (__mf_register): Print trace message up front.
1577         Correct region splitting logic for case where a subregion disappears.
1578         Correct memory leak.
1579         (__mf_violation): Make even basic message conditional on option.
1580
1581         Build cleanup:
1582         * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1583         (clean-local): New target.
1584         (test/*x rules): Add -g CFLAGS.
1585         (CFLAGS): Add -freorder-blocks.
1586         (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1587         * Makefile.in: Regenerated.
1588         * Makefile, mf-config.h: Removed files.
1589
1590 2002-08-16  Graydon Hoare  <graydon@redhat.com>
1591
1592         * mf-runtime.c (__mf_insert_new_object): Factor out of
1593         __mf_register.
1594         (__mf_remove_old_object): Factor out of __mf_unregister.
1595         (__mf_register): Handle guessed regions, splitting
1596         guesses when new registrations arrive.
1597         (__mf_unregister): Do not unregister guesses.
1598         * mf-runtime.h: Move convenience macros around,
1599         declare new option fields. Add __MF_TYPE_GUESS.
1600         * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1601         (__wrap_free): Call __real_free for deferred frees.
1602         * Makefile.am: Add more tests, fix dependency.
1603         * Makefile.in: Regenerate.
1604         * test/pass[13..17]-frag.c: New testcases.
1605         * test/fail[13..17]-frag.c: New testcases.
1606
1607 2002-08-15  Graydon Hoare  <graydon@redhat.com>
1608
1609         * mf-heuristics.c: New file.
1610         * mf-runtime.c (options): Add -trace-calls option.
1611         (__mf_init): Call __mf_init_heuristics.
1612
1613 2002-08-14  Graydon Hoare  <graydon@redhat.com>
1614
1615         * Makefile.am (TESTS): Add testsuite support.
1616         * Makefile.in: Regenerate.
1617         * test/mf-driver.c: New file.
1618         * test/buildtest.sh: New file.
1619         * test/passNN-frag.c: New testcases.
1620         * test/failNN-frag.c: New testcases.
1621
1622 2002-08-14  Graydon Hoare  <graydon@redhat.com>
1623
1624         * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1625         verifying non-size-limited string extents.
1626
1627 2002-08-14  Frank Ch. Eigler  <fche@redhat.com>
1628
1629         * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1630         instead of plain str[n]len for internal checks.
1631         * mf-runtime.c (__mf_violation): Print optional stack traceback.
1632
1633 2002-08-14  Frank Ch. Eigler  <fche@redhat.com>
1634
1635         * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1636
1637 2002-08-13  Graydon Hoare  <graydon@redhat.com>
1638
1639         * mf-runtime.c: Rework configuration to operate on
1640         environment variable options rather than #defines
1641         (__mf_violation): Add simple fork-a-gdb violaiton mode.
1642         (__mf_init): Set static __mf_active_p flag on startup,
1643         to inhibit mudflap wrap-based checking during crt0.s.
1644         * mf-runtime.h: Declare options structure.
1645         * mf-hooks.c: New wrappings for mem*, b*, str*
1646         libc functions (temporarily #if 0-ed out).
1647
1648 2002-08-12  Frank Ch. Eigler  <fche@redhat.com>
1649
1650         * Makefile.am, configure.in: New files.
1651         * Makefile.in, Makefile, configure, config.h.in: New generated files.
1652         * stamp-h.in, aclocal.m4: Ditto.
1653
1654 2002-08-08  Frank Ch. Eigler  <fche@redhat.com>
1655
1656         * Makefile: New file.
1657         * mf-config.h: New file: runtime configuration.
1658         * mf-hooks.c: New file: interposed libc functions.
1659         * mf-runtime.c: New file: bulk of runtime.
1660         * mf-runtime.h: New file: public functions.