libmudflap/ChangeLog

   1 2009-03-31  Ben Elliston  <bje@au.ibm.com>
   2
   3         PR libmudflap/38462
   4         * testsuite/libmudflap.c/fail27-frag.c: Match `mudflap dead
   5         object', not `mudflap object'.
   6
   7 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
   8
   9         * configure: Regenerate.
  10
  11 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
  12
  13         * mf-runtime.c (__mf_usage): Update copyright notice dates.
  14
  15 2009-01-23  Jie Zhang  <jie.zhang@analog.com>
  16
  17         * mf-impl.h (__mf_get_state, __mf_set_state): Don't use
  18         __thread when TLS support is emulated.
  19         * mf-hooks3.c (__mf_get_state, __mf_set_state): Likewise.
  20         * mf-runtime.c (__mf_state_1): Likewise.
  21         * configure.ac: Use GCC_CHECK_EMUTLS.
  22         * configure: Regenerate.
  23         * config.h.in: Regenerate.
  24
  25 2008-12-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
  26
  27         * configure: Regenerate.
  28
  29 2008-11-26  Janis Johnson  <janis187@us.ibm.com>
  30
  31         PR testsuite/28870
  32         * testsuite/lib/mfdg.exp (dg-test): Use new timeout support.
  33         (dg-timeout): Remove.
  34         (standard-wait): Remove.
  35         * testsuite/lib/libmudflap.exp: Include new timeout library files.
  36         (libmudflap_target_compile): Set timeout value from new proc.
  37
  38 2008-11-10  Jakub Jelinek  <jakub@redhat.com>
  39
  40         PR middle-end/35314
  41         * testsuite/libmudflap.c/pass67-frag.c: New test.
  42
  43 2008-10-09  Jakub Jelinek  <jakub@redhat.com>
  44
  45         PR c++/37568
  46         * testsuite/libmudflap.c++/pass66-frag.cxx: New test.
  47
  48 2008-09-26  Peter O'Gorman  <pogma@thewrittenword.com>
  49             Steve Ellcey  <sje@cup.hp.com>
  50
  51         * configure: Regenerate for new libtool.
  52         * Makefile.in: Ditto.
  53         * testsuite/Makefile.in: Ditto.
  54
  55 2008-09-15  Jakub Jelinek  <jakub@redhat.com>
  56
  57         PR libmudflap/36397
  58         * testsuite/libmudflap.c/pass64-frag.c: New test.
  59
  60 2008-06-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
  61
  62         * Makefile.in: Regenerate.
  63         * config.h.in: Regenerate.
  64         * configure: Regenerate.
  65         * testsuite/Makefile.in: Regenerate.
  66
  67 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
  68
  69         PR bootstrap/35457
  70         * aclocal.m4: Regenerate.
  71         * configure: Regenerate.
  72
  73 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
  74
  75         * testsuite/libmudflap.c/pass63-frag.c: New test.
  76
  77 2008-03-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
  78
  79         * aclocal.m4: Regenerate.
  80         * configure: Likewise.
  81         * Makefile.in: Likewise.
  82         * testsuite/Makefile.in: Likewise.
  83
  84 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
  85
  86         * mf-runtime.c (__mf_usage): Update copyright notice dates.
  87
  88 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
  89
  90         * testsuite/libmudflap.c/fail8-frag.c: Adjust scan pattern for
  91         mudflap dead object.
  92         * testsuite/libmudflap.c/fail9-frag.c: Ditto.
  93
  94 2008-01-24  David Edelsohn  <edelsohn@gnu.org>
  95
  96         * configure: Regenerate.
  97
  98 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
  99
 100         PR tree-optimization/34618
 101         * testsuite/libmudflap.c/pass62-frag.c: New test.
 102
 103 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
 104
 105         PR c++/34619
 106         * testsuite/libmudflap.c++/pass61-frag.cxx: New test.
 107
 108 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
 109
 110         PR libmudflap/26442
 111         * testsuite/libmudflap.c++/pass60-frag.cxx: New test.
 112
 113 2007-10-15  Maciej W. Rozycki  <macro@linux-mips.org>
 114
 115         * configure: Regenerate following changes to ../config/tls.m4.
 116
 117 2007-07-26  Tom Tromey  <tromey@redhat.com>
 118
 119         * Makefile.in: Rebuilt.
 120         * Makefile.am (clean-local): Removed.
 121         (pth/mf-runtime.lo, pth/mf-heuristics.lo, pth/mf-hooks1.lo,
 122         pth/mf-hooks2.lo, pth/mf-hooks3.lo): Likewise.
 123         (libmudflapth_la_SOURCES): List sources.
 124         (libmudflapth_la_LIBADD): Clear.
 125         (libmudflapth_la_CFLAGS): New variable.
 126
 127 2007-07-05  H.J. Lu  <hongjiu.lu@intel.com>
 128
 129         * aclocal.m4: Regenerated.
 130
 131 2007-06-02  Paolo Bonzini  <bonzini@gnu.org>
 132
 133         * configure: Regenerate.
 134
 135 2007-05-31  Frank Ch. Eigler  <fche@redhat.com>
 136
 137         From Andi Kleen <ak@suse.de>:
 138         * mf-runtime.c (options): Rename structure for compatibility with
 139         glibc getopt_long.
 140
 141 2007-05-23  Steve Ellcey  <sje@cup.hp.com>
 142
 143         * Makefile.in: Regenerate.
 144         * configure: Regenerate.
 145         * aclocal.m4: Regenerate.
 146         * testsuite/Makefile.in: Regenerate.
 147
 148 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
 149
 150         * testsuite/libmudflap.cth/pass59-frag.c (main): Fix casting of arg.
 151
 152 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
 153
 154         * Makefile.am: Add dummy install-pdf target.
 155         * Makefile.in: Regenerate
 156
 157 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
 158
 159         PR libgomp/28468
 160         * configure: Regenerate.
 161
 162 2006-12-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
 163
 164         * configure: Regenerate.
 165
 166 2006-11-13  Daniel Jacobowitz  <dan@codesourcery.com>
 167
 168         * configure: Regenerated.
 169
 170 2006-11-10  Frank Ch. Eigler  <fche@redhat.com>
 171
 172         PR libmudflap/28578
 173         * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
 174         static but not function scope static.
 175         (free): Skip deallocation attempts for objects placed into
 176         bootstrap buffers.
 177         * testsuite/libmudflap.cth/pass59-frag.c: New test.
 178
 179 2006-11-06  Frank Ch. Eigler  <fche@redhat.com>
 180
 181         From Herman ten Brugge <hermantenbrugge@home.nl>:
 182         * mf-runtime.c (__mf_uncache_object): Optimize the code so that
 183         small and large objects are handled a lot faster.
 184
 185 2006-11-06  Frank Ch. Eigler  <fche@redhat.com>
 186
 187         * configure.ac (__libc_freeres): Look for it.
 188         * mf-impl.h (call_libc_freeres): New configuration flag.
 189         * mf-runtime.c (__mf_set_default_options): Set it by default.
 190         (__mfu_report): Call it if needed.
 191         (__mfu_unregister): Remove "unaccessed registered object" warning.
 192         * configure, config.h.in: Regenerated.
 193
 194 2006-09-18  Tom Tromey  <tromey@redhat.com>
 195
 196         * configure: Rebuilt.
 197
 198 2006-06-21  Frank Ch. Eigler  <fche@redhat.com>
 199
 200         PR 21274
 201         mf-runtime.h installation based on ssp patch for PR 26473 from
 202         Mark Mitchell  <mark@codesourcery.com>.
 203         * configure.ac (ACX_NONCANONICAL_TARGET): Use it.
 204         * Makefile.am (target_noncanonical): Define.
 205         (libsubincludedir): New variable.
 206         (nobase_libsubinclude_HEADERS): Add mf-runtime.h.
 207         (include_HEADERS): Remove.
 208         * configure, aclocal.m4, config.h.in: Regenerated.
 209         * Makefile.in, testsuite/Makefile.in: Likewise.
 210         * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT
 211         and _THREAD_SAFE redefinition values.
 212
 213 2006-05-23  Carlos O'Donell  <carlos@codesourcery.com>
 214
 215         * Makefile.am: Add install-html target. Add install-html to .PHONY
 216         * Makefile.in: Regenerate.
 217
 218 2006-04-19  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 219
 220         PR mudflap/26789
 221         * testsuite/libmudflap.c++/error1-frag.cxx: New test.
 222
 223         PR mudflap/26790
 224         * testsuite/libmudflap.c++/error2-frag.cxx: New test.
 225
 226 2006-04-10  Matthias Klose  <doko@debian.org>
 227
 228         * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib
 229         directory names containing underscores.
 230
 231 2005-11-22  Janis Johnson  <janis187@us.ibm.com>
 232
 233         * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
 234         MUDFLAP_FLAGS if static library not supported.
 235         * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
 236         * testsuite/libmudflap.c/externs.exp: Ditto.
 237         * testsuite/libmudflap.c++/ctors.exp: Ditto.
 238         * testsuite/libmudflap.c++/c++frags.exp: Ditto.
 239         * testsuite/libmudflap.cth/cthfrags.exp: Ditto.
 240
 241 2005-10-04  James E Wilson  <wilson@specifix.com>
 242
 243         * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare
 244         $name as array of characters with unknown bound.  Also store into the
 245         array.
 246         * configure: Regenerate.
 247
 248 2005-09-30  James E. Wilson  <wilson@specifix.com>
 249
 250         * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of
 251         AC_CHECK_HEADER.
 252         (target_thread_file): New.  Set from sed'ed gcc output.
 253         (posix_threads): New.  Set from target_thread_file.  Use instead of
 254         ac_have_pthread_h.
 255         (pthread_create_version): Move initialization before code using it.
 256         * configure: Regenerate.
 257
 258         * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown
 259         bounds.
 260
 261 2005-09-29  James E. Wilson  <wilson@specifix.com>
 262
 263         * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
 264         with HAVE_MMAP ifdef.
 265
 266 2005-09-23  Frank Ch. Eigler  <fche@elastic.org>
 267
 268         PR 23084.
 269         * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter.
 270
 271 2005-09-23  Frank Ch. Eigler  <fche@elastic.org>
 272
 273         * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319.
 274
 275 2005-09-23  Tom Tromey  <tromey@redhat.com>
 276
 277         * aclocal.m4, configure: Rebuilt.
 278         * configure.ac: Use GCC_CHECK_TLS.
 279         * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved
 280         to ../config.
 281
 282 2005-08-22  Jim Wilson  <wilson@specifix.com>
 283
 284         * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when
 285         __FreeBSD__ is defined.
 286
 287 2005-08-17  Jim Wilson  <wilson@specifix.com>
 288
 289         * mf-hooks1.c (malloc, calloc, realloc, free,
 290         __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling
 291         the real routines, and END_MALLOC_PROTECT afterwards.
 292         * mf-impl.h (enum __mf_state_enum): Expand comment.  Add in_malloc.
 293         (BEGIN_PROTECT): Handle in_malloc state.
 294         (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New.
 295         * testsuite/libmudflap.c/hook2-allocstuff.c: New.
 296
 297 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
 298
 299         * All files: Update FSF address.
 300
 301 2005-08-15  Ulrich Weigand  <weigand@informatik.uni-erlangen.de>
 302
 303         * mf-hooks3.c (main_seen_p): Remove.
 304         (__mf_get_state): Remove attempt to recognize the main thread.
 305
 306 2005-08-15  Maciej W. Rozycki  <macro@linux-mips.org>
 307
 308         * configure.ac: Test for the name of the symbol used for the entry
 309         point; define ENTRY_POINT to the result.
 310         * configure: Regenerate.
 311         * config.h.in: Regenerate.
 312         * mf-heuristics.c: Replace _start with ENTRY_POINT throughout.
 313
 314 2005-08-14  Ulrich Weigand  <weigand@informatik.uni-erlangen.de>
 315
 316         * mf-runtime.c (__mf_state_1): Initialize to reentrant.
 317         (__mf_init): Set thread state active.
 318         * mf-hooks3.c (__mf_pthread_spawner): Always set thread
 319         state active.
 320         (pthread_create wrapper): Always use thread spawner.
 321
 322         * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout.
 323         * testsuite/libmudflap.cth/pass39-frag.c: Likewise.
 324
 325 2005-07-16  Richard Henderson  <rth@redhat.com>
 326
 327         * acinclude.m4: New file.
 328         * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS.
 329         * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild.
 330         * mf-hooks1.c (__mf_0fn_malloc): Move body from ...
 331         (__mf_0fn_calloc): ... here.
 332         * mf-hooks3.c (struct pthread_info): Remove.
 333         (__mf_pthread_info, __mf_pthread_info_idx): Remove.
 334         (LIBMUDFLAPTH_THREADS_MAX): Set to 1021.
 335         (struct mf_thread_data): New.
 336         (mf_thread_data, mf_thread_data_lock): New.
 337         (__mf_allocate_blank_threadinfo): Remove.
 338         (__mf_find_threadinfo): Rewrite and simplify.  Only use if TLS is
 339         not available.
 340         (__mf_state_perthread): Remove.
 341         (__mf_get_state, __mf_set_state): New.
 342         (__mf_pthread_cleanup): Use &errno, rather than saved pointer.
 343         Update mf_thread_data killing procedure.
 344         (__mf_pthread_spawner): Similarly.
 345         (__mf_0fn_pthread_create): Only use wrapper if necessary.  Remove
 346         code to allocate thread stack space.
 347         (__mf_0fn_pthread_join, pthread_join): Remove.
 348         (__mf_0fn_pthread_exit, pthread_exit): Remove.
 349         * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove.
 350         (__mf_state_1): Rename from __mf_state; use TLS when available.
 351         (__mf_get_state, __mf_set_state): New.  Update all users.
 352         * mf-runtime.c (begin_recursion_protect1): New.
 353         (BEGIN_RECURSION_PROTECT): Use it.
 354         (__mf_state_1): Rename from __mf_state; use TLS when available.
 355         (threads_active_p): Remove.
 356         (__mf_usage): Compute it directly.
 357
 358 2005-06-19  Ulrich Weigand  <uweigand@de.ibm.com>
 359
 360         * testsuite/libmudflap.c/externs-1.c (main): Add return statement.
 361
 362 2005-06-15  Frank Ch. Eigler  <fche@redhat.com>
 363
 364         Fix for uncaching bug reported by Herman ten Brugge.
 365         * mf-runtime.c (__mf_uncache_object): Search whole cache.
 366         * testsuite/libmudflap.c/fail40-frag.c: New test.
 367
 368 2005-05-23  Alfred M. Szmidt  <ams@gnu.org>
 369
 370         PR libmudflap/21724
 371         * Makefile.am (AM_MAKEFLAGS): Pass includedir.
 372         * Makefile.in: Amend.
 373
 374 2005-06-14  Frank Ch. Eigler  <fche@redhat.com>
 375
 376         PR mudflap/21023
 377         * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files.
 378         * testsuite/libmudflap.c/cfrags.exp: Bypass new sources.
 379
 380 2005-06-14  Frank Ch. Eigler  <fche@redhat.com>
 381
 382         PR libmudflap/21094
 383         * testsuite/libmudflap.c++/*.exp: Assert build tree g++.
 384
 385 2005-06-14  Frank Ch. Eigler  <fche@redhat.com>
 386
 387         PR mudflap/22064
 388         * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
 389         unsigned vars with #defines instead of enums.
 390
 391 2005-05-09  Mike Stump  <mrs@apple.com>
 392
 393         * configure: Regenerate.
 394
 395 2005-04-12  Mike Stump  <mrs@apple.com>
 396
 397         * configure: Regenerate.
 398
 399 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
 400
 401         PR mudflap/19266
 402         * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
 403         * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
 404
 405 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
 406
 407         * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
 408
 409 2005-03-31  Mike Stump  <mrs@apple.com>
 410
 411         * mf-runtime.h: Add libmudflap copyright clause.
 412
 413 2005-03-21  Mike Stump  <mrs@apple.com>
 414
 415         * mf-heuristics.c: Fix whitespace at end of line.
 416         * mf-hooks1.c: Likewise.
 417         * mf-hooks2.c: Likewise.
 418         * mf-hooks3.c: Likewise.
 419         * mf-impl.h: Likewise.
 420         * mf-runtime.c: Likewise.
 421         * mf-runtime.h: Likewise.
 422
 423 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
 424
 425         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
 426         In all substitutions, expand gcc_version in Makefile.
 427         * aclocal.m4, configure: Regenerate.
 428         * Makefile.am: Set gcc_version.
 429         * Makefile.in, testsuite/Makefile.in: Regenerate.
 430
 431 2005-03-17  Frank Ch. Eigler  <fche@redhat.com>
 432
 433         * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
 434         * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
 435
 436 2005-02-13  Frank Ch. Eigler  <fche@redhat.com>
 437
 438         PR mudflap/19319
 439         * testsuite/libmudflap.c++/pass55-frag.c: New test.
 440
 441 2005-01-05  Richard Henderson  <rth@redhat.com>
 442
 443         * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
 444
 445 2005-01-02  Greg McGary  <greg@mcgary.org>
 446
 447         * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
 448         * mf-runtime.h: New file, replaces mf-runtime.h.in.
 449         * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
 450         * Makefile.in: Ditto.
 451         * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
 452         * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
 453         * testsuite/libmudflap.c/fail36-frag.c: New test.
 454         * testsuite/libmudflap.c/fail37-frag.c: New test.
 455         * testsuite/libmudflap.c/fail38-frag.c: New test.
 456
 457 2004-12-08  Kelley Cook  <kcook@gcc.gnu.org>
 458
 459         * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
 460         * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
 461
 462 2004-12-02  Richard Sandiford  <rsandifo@redhat.com>
 463
 464         * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
 465         * aclocal.m4: Include ../config/gcc-version.m4.
 466         * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
 467
 468 2004-11-29  Kelley Cook  <kcook@gcc.gnu.org>
 469
 470         * Makefile.am: Define ACLOCAL_AMFLAGS.
 471         * acinclude.m4: Remove.
 472         * stamp-h.in: Remove superfluous stamp file.
 473         * aclocal.m4, configure, Makefile.in: Regenerate.
 474         * testsuite/Makefile.in: Likewise.
 475
 476 2004-11-24  Kelley Cook  <kcook@gcc.gnu.org>
 477
 478         * Makefile.am: Revert previous.
 479         * acinclude.m4: Restore.
 480         * aclocal.m4, configure, Makefile.in: Regenerate.
 481         * testsuite/Makefile.in: Likewise.
 482
 483 2004-11-24  Kelley Cook  <kcook@gcc.gnu.org>
 484
 485         * Makefile.am: Define ACLOCAL_AMFLAGS.
 486         * acinclude.m4: Remove.
 487         * aclocal.m4, configure, Makefile.in: Regenerate.
 488         * testsuite/Makefile.in: Likewise.
 489
 490 2004-11-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 491
 492         * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
 493
 494 2004-11-23  Kelley Cook  <kcook@gcc.gnu.org>
 495
 496         * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
 497         * testsuite/Makefile.in: Likewise.
 498
 499 2004-11-01  Andreas Schwab  <schwab@suse.de>
 500
 501         * configure.ac: (target_alias): Default to $host_alias, not
 502         $target.
 503         * configure: Regenerated.
 504
 505 2004-10-28  Frank Ch. Eigler  <fche@redhat.com>
 506
 507         * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
 508         * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
 509         message.
 510
 511 2004-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
 512
 513         PR other/18138
 514         * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
 515
 516 2004-10-12  Frank Ch. Eigler  <fche@redhat.com>
 517
 518         * configure.ac: Check for more headers, functions.
 519         * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
 520         tracking overridden FILE buffers.
 521         (fopen, setvbuf): New/revised hook functions for buffer overriding.
 522         (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
 523         (fflush): Accept given NULL stream (means "all streams").
 524         * mf-runtime.h.in:
 525         * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
 526         HEAP/GUESS objects.
 527         (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
 528         (__mf_adapt_cache): Use them all.
 529         * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
 530         * testsuite/libmudflap.c++/ctors.exp: Ditto.
 531         * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
 532         * configure, config.h.in: Regenerated.
 533
 534 2004-10-05  Frank Ch. Eigler  <fche@redhat.com>
 535
 536         * configure.ac: Checking for sys/socket.h once is enough.
 537         * configure: Regenerated.
 538
 539 2004-10-04  Frank Ch. Eigler  <fche@redhat.com>
 540
 541         * configure.ac: Look for more headers & functions.
 542         * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
 543         * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
 544         * mf-runtime.c (options): Clean up integer signedness warnings.
 545         (main): Add a declaration to fix a warning.
 546         * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
 547         * configure, config.h.in: Regenerated.
 548
 549 2004-10-02  Frank Ch. Eigler  <fche@redhat.com>
 550
 551         * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
 552         New tests for proper base/limit checking for aggregates.
 553
 554 2004-09-15  Joseph S. Myers  <jsm@polyomino.org.uk>
 555
 556         * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
 557
 558 2004-09-07  Frank Ch. Eigler  <fche@redhat.com>
 559
 560         * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
 561         * mf-hooks2.c (strerror): Unregister previous string returned by
 562         previous strerror.
 563         (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
 564         (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
 565         * mf-runtime.h.in: Add redefine_extname pragmas for them all.
 566         * mf-runtime.c (__mf_describe_object): Clarify object life status.
 567         * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
 568         New tests.
 569         * configure, config.h.in: Regenerated.
 570
 571 2004-08-03  Dale Johannesen  <dalej@apple.com>
 572
 573          * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
 574
 575 2004-08-03  Frank Ch. Eigler  <fche@redhat.com>
 576
 577         * mf-runtime.c (compare_uintptr_t): Remove function.  Inline
 578         simplified contents in all former callers.
 579
 580 2004-07-27  Ulrich Weigand  <weigand@informatik.uni-erlangen.de>
 581
 582         * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
 583         the statically linked case.
 584
 585 2004-07-27  Frank Ch. Eigler  <fche@redhat.com>
 586
 587         * splay-tree.[ch]: Remove.  Merge contents into ...
 588         * mf-runtime.c: ... here, renaming symbols and making all functions
 589         static.  Remove unused min/max functions.
 590         * Makefile.am: Forget about splay-tree.[ch].
 591         * Makefile.in, testsuite/Makefile.in: Regenerated.
 592
 593 2004-07-21  Frank Ch. Eigler  <fche@redhat.com>
 594
 595         * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
 596         (__mfu_usage): Include (C) 2004.
 597         * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
 598         here.  Include a comment explaining why.
 599
 600 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
 601
 602         * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
 603         * mf-runtime.c (options): Give them a name.
 604         (__mf_set_default_options): Set them.
 605         (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
 606         (__mf_violation): Warning cleanup.
 607         * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
 608         * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
 609
 610 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
 611
 612         g++/15861
 613         * mf-runtime.c (__mf_init): Make it non-static.  Tolerate
 614         repeated invocation.
 615
 616 2004-07-09  Frank Ch. Eigler  <fche@redhat.com>
 617
 618         Test case for g++/15861
 619         * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
 620         * testsuite/libmudflap.c++/ctors.exp: Driver.
 621         * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
 622         Look only for *frag* test cases.
 623
 624 2004-07-08  Frank Ch. Eigler  <fche@redhat.com>
 625
 626         ANSI C conversion, libmudflap specialization, recursion limiting.
 627         * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
 628         argument and indirection function pointers, update callers.
 629         (splay_tree_s): Add statistics and recursion control fields
 630         num_keys, max_depth, depth, rebalance_p.
 631         * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
 632         Back out of search if it exceeds limit.
 633         (splay_tree_splay): Manage recursion limiting with rebalancing as
 634         needed.
 635         (splay_tree_new): More initialization.
 636         (splay_tree_rebalance): New function.
 637         (splay_tree_foreach): Rewrite using nonrecursive logic.
 638         (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
 639         Remove.  Point indirect calls to mf-runtime.c's routines.
 640         (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
 641         functions.
 642         (splay_tree_delete, splay_tree_delete_helper): Ditto.
 643         * testsuite/heap-scalestress.c: New test based on one from
 644         Eyal Lebedinsky <eyal@eyal.emu.id.au>:
 645
 646 2004-07-05  Matthias Klose  <doko@debian.org>
 647
 648         * libtool-version: New.
 649         * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
 650         Use -version-info for soname.
 651         * Makefile.in: Regenerate.
 652         * configure.ac: Remove libtool_VERSION macro
 653         * configure: Regenerate
 654
 655 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
 656
 657         * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
 658         __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
 659         #ifndef _MUDFLAP.
 660
 661 2004-06-29  Frank Ch. Eigler  <fche@redhat.com>
 662
 663         Splay tree implementation fork.
 664         * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
 665         Use hard-coded comparison function for uintptr_t.  Remove key/value
 666         deallocation logic.  Cache last splayed key for consecutive lookups.
 667         * Makefile.am, Makefile.in: Use them, don't link to them.
 668         * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
 669         (__mf_find_objects2): Flip successor/predecessor search sequence.
 670         * ansidecl.h, libiberty.h: Removed dummy files.
 671
 672 2004-06-29  Nick Clifton  <nickc@redhat.com>
 673
 674         * configure.ac (AC_CHECK_HEADERS): Add dirent.h
 675         * configure: Regenerate.
 676         * mf-hooks2.c: Surround uses of dirent.h with #ifdef
 677         HAVE_DIRENT_H.
 678         Remove spurious inclusion of <strings.h>.
 679
 680 2004-06-29  Nick Clifton  <nickc@redhat.com>
 681
 682         * mf-runtime.c (pthread_join): Only apply the weak pragma if the
 683         function actually exists.
 684
 685 2004-06-25  Frank Ch. Eigler  <fche@redhat.com>
 686
 687         * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
 688         * config.h.in: Regenerated.
 689
 690 2004-06-24  Frank Ch. Eigler  <fche@redhat.com>
 691
 692         Adopt splay trees for object database.
 693         * Makefile.am: Copy splay-tree.* from libiberty.
 694         * Makefile.in, testsuite/Makefile.in: Regenerated.
 695         * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
 696         * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
 697         * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
 698         * mf-runtime.c: Rewrite code dealing with object database to use
 699         libiberty splay trees.  Remove tree liveness aging option.
 700         * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
 701
 702 2004-06-15  Paolo Bonzini  <bonzini@gnu.org>
 703
 704         * configure.ac: New name of configure.in.  Update
 705         AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
 706         AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
 707         Autoconf 2.5x and Automake 1.7 or later.
 708         * configure.in: Remove.
 709         * configure: Regenerate.
 710
 711         * Makefile.am: Remove useless multilib rules.
 712         * Makefile.in: Regenerate.
 713
 714 2004-06-15  Paolo Bonzini  <bonzini@gnu.org>
 715
 716         * .cvsignore: New file.
 717
 718 2004-06-10  Stephen Crowley  <stephen.crowley@sbcglobal.net>
 719
 720         PR libmudflap/13505
 721         * mf-hooks2.c (semctl): Add cygwin porting hack.
 722
 723 2004-06-09  Frank Ch. Eigler  <fche@redhat.com>
 724
 725         ctype support.
 726         * configure.in: Look for ctype header and glibc implementation.
 727         * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
 728         array hooks for glibc 2.3.
 729         * mf-runtime.h.in: Wrap them.
 730         * mf-runtime.c (__mf_init): Leave marker regarding other ctype
 731         implementations.
 732         * testsuite/libmudflap.c/pass47-frag.c: New test.
 733         * configure, config.h.in: Regenerated.
 734
 735 2004-06-04  Frank Ch. Eigler  <fche@redhat.com>
 736
 737         Portability improvements, e.g., libmudflap/15293.
 738         * configure.in: Look for glibc extension functions.  Look for
 739         support of -f{function,data}-sections.  Look for more headers.
 740         Create testsuite/mfconfig.exp.  Correct more "test x.." thinkos.
 741         * Makefile.am: Use $(SECTION_FLAGS).  Collapse piecemeal-compiled
 742         mf-hooks* into usual single object per source.
 743         * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
 744         * mf-hooks2.c: #include a bunch more system headers.  Define strnlen
 745         if system doesn't provide one.
 746         * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
 747         (pthread_create): Use it to properly GC dead thread stacks.
 748         * mf-runtime.c (__mf_violation): Correct snprintf type warning.
 749         * testsuite/Makefile.am: Stop generating site.exp.
 750         * testsuite/mfconfig.exp.in: New file.
 751         * testsuite/config/default.exp: Load new mfconfig.exp.
 752         * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
 753         (prune_gcc_output): Add glibc static linking warnings.
 754         * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
 755         * testsuite/libmudflap.c/pass46-frag.c: Ditto.
 756         * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
 757         Regenerated with autoconf 2.57 and automake 1.7.
 758
 759 2004-06-04  Per Bothner  <per@bothner.com>
 760
 761         * configure.in (LIBMUDFLAPTH):  Fix thinko.
 762
 763         * configure.in:  Check for more headers.
 764         * mf-hooks2.c:  Conditionalize on HAVE_SYS_SOCKET_H etc.
 765
 766         * mf-runtime.c:  In two places conditionalize on SIUSR1 rather than
 767         HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
 768
 769 2004-06-01  Andreas Jaeger  <aj@suse.de>
 770
 771         * configure.in: Handle multilibs, support
 772         --enable-version-specific-runtime-libs.
 773         * Makefile.am (lib_LTLIBRARIES): Rename to ...
 774         (toolexeclib_LTLIBRARIES): this for multilib support.
 775         * Makefile.in: Regenerated.
 776         * configure: Regenerated.
 777         * aclocal.m4: Regenerated.
 778         * config.h.in: Regenerated.
 779         * testsuite/Makefile.in: Regenerated.
 780
 781 2004-06-01  Andreas Jaeger  <aj@suse.de>
 782
 783         * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
 784         multilibs, using multilib directory instead of hardcoded path.
 785         Set LD_RUN_PATH.
 786
 787 2004-05-21  Frank Ch. Eigler  <fche@redhat.com>
 788
 789         * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
 790         * Makefile.in: Ditto.
 791
 792 2004-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
 793
 794         * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
 795         * aclocal.m4, configure: Rebuilt.
 796
 797 2004-05-17  Frank Ch. Eigler  <fche@redhat.com>
 798
 799         * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
 800         import some build settings from libstdc++-v3 testsuite_flags.
 801         * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
 802         changes to pass test language.
 803
 804         * mf-runtime.c (__mfu_check): Poison the cache with antidote for
 805         quicker mode-nop handling.
 806
 807 2004-03-25  Frank Ch. Eigler  <fche@redhat.com>
 808
 809         * mf-impl.h: Added libgcc license header.
 810
 811 2004-03-20  Frank Ch. Eigler  <fche@redhat.com>
 812
 813         * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
 814         Added libgcc license header.
 815         * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
 816         (pthread_create): Simplify stack allocation syntax.
 817
 818 2004-03-08  Loren J. Rittle  <ljrittle@acm.org>
 819
 820         * mf-hooks2.c: Support FreeBSD.
 821         (WRAP_gets): Avoid gets().
 822         * testsuite/libmudflap.c/pass-stratcliff.c: Do not
 823         test unimplemented mem/str calls on FreeBSD.
 824         * testsuite/libmudflap.c/pass21-frag.c: Do not include
 825         <alloca.h> on FreeBSD.
 826
 827 2004-01-30  Frank Ch. Eigler  <fche@redhat.com>
 828
 829         * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
 830         * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
 831         * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
 832         flags for static linking permutation.
 833         * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
 834         some pthreads code that croaks on linux glibc tls.
 835
 836 2004-01-27  Frank Ch. Eigler  <fche@redhat.com>
 837
 838         * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
 839
 840 2004-01-15  Frank Ch. Eigler  <fche@redhat.com>
 841
 842         * testsuite/libmudflap.c/pass44-frag.c: New test.
 843
 844 2004-01-12  Frank Ch. Eigler  <fche@redhat.com>
 845
 846         * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
 847
 848 2004-01-08  Frank Ch. Eigler  <fche@redhat.com>
 849
 850         * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
 851
 852 2003-12-11  Frank Ch. Eigler  <fche@redhat.com>
 853
 854         * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
 855
 856 2003-12-08  Andrew Pinski  <pinskia@physics.uc.edu>
 857
 858         PR libmudflap/12670
 859         * configure.in: Add check for see if
 860         socklen_t typedef is in sys/socket.h.
 861         * mf-hooks1.c: Add define if socklen_t
 862         is not typedef.
 863         * mf-hooks2.c: Likewise.
 864         * mf-hooks3.c: Likewise.
 865         * config.h.in: Regen.
 866         * configure: Regen.
 867
 868 2003-12-08  Frank Ch. Eigler  <fche@redhat.com>
 869
 870         * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
 871         * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
 872         optimizations.
 873         * testsuite/libmudflap.c/pass25-frag.c: Ditto.
 874         * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
 875         (unoptimized) allocation of stack space.
 876
 877 2003-12-07  Richard Henderson  <rth@redhat.com>
 878
 879         * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
 880         * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
 881
 882 2003-12-06  Andrew Pinski <apinski@apple.com>
 883
 884         partial PR libmudflap/12670
 885         * mf-hooks1.c: Respect Darwin checks.  Conditionalize POSIX_SOURCE.
 886         * mf-hooks2.c: Likewise.
 887         * mf-hooks3.c: Likewise.
 888
 889 2003-11-19  Frank Ch. Eigler  <fche@redhat.com>
 890
 891         libstdc++/11696
 892         * mf-runtime.h.in: Switch to #pragma redefine_extname for
 893         symbols interposed at compile time.
 894         * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
 895
 896         libmudflap/12939
 897         * mf-hooks2.c (semctl): Tolerate FreeBSD.
 898
 899         * configure.in: Reorganize check for <pthread.h>.
 900         * configure: Regenerated.
 901
 902 2003-11-04  David Edelsohn  <edelsohn@gnu.org>
 903
 904         * mf-runtime.c (_ALL_SOURCE): Define for AIX.
 905         (_LARGE_FILE_API): Define for AIX.
 906         * mf-hooks[123]: Same.
 907         (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
 908
 909 2003-10-21  David Edelsohn  <edelsohn@gnu.org>
 910
 911         * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
 912
 913 2003-07-29  Frank Ch. Eigler  <fche@redhat.com>
 914
 915         2003-07-29  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
 916
 917         * configure.in: Update check for union semun.
 918
 919 2003-07-29  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
 920
 921         PR other/11673
 922         * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
 923
 924 2003-07-29  Frank Ch. Eigler  <fche@redhat.com>
 925
 926         PR other/11673
 927         * configure.in: Add checks for 64-bit LFS functions, struct semun
 928         definition, for BSD compatibility.
 929         * mf-hooks1.c: Respect BSD checks.  Conditionalize POSIX_SOURCE.
 930         * mf-hooks2.c: Ditto.  Include <strings.h> for bcmp* decls.
 931         * mf-hooks3.c: Ditto.
 932         (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
 933         mmap flag.
 934         * configure, config.h.in: Regenerated.
 935
 936 2003-07-23  Frank Ch. Eigler  <fche@redhat.com>
 937
 938         Multithreading fixes:
 939         * mf-runtime.c (__mf_object): Store allocating/deallocating
 940         thread id.
 941         (options): Support new "-thread-stack" option.
 942         Rename "-heur-argv-environ" option to "-heur-stdlib".
 943         Disable "-lc-mask" and "-lc-shift" options.
 944         (__mf_dynamic): Add function pointers for pthread_join/_exit.
 945         (__assert_fail): New self-contained function for glibc.
 946         * mf-hooks3.c: Essentially rewritten, particularly related to
 947         use of __mf_pthread_info array.
 948         (pthread_join, _exit): New hook functions.
 949         * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
 950         * testsuite/libmudflap.cth/pass40-frag.c: New test.
 951
 952         Warning cleanups:
 953         * mf-heuristics.c: Add type casts for tracing, sub calls.
 954         * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
 955         Update all callers to declare explicit result holder.
 956         (END_PROTECT): Removed.
 957         * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
 958
 959 2003-07-15  Diego Novillo  <dnovillo@redhat.com>
 960
 961         * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
 962         * testsuite/libmudflap.c/fail15-frag.c: Likewise.
 963         * testsuite/libmudflap.c/fail13-frag.c: Likewise.
 964
 965 2003-07-04  Frank Ch. Eigler  <fche@redhat.com>
 966
 967         * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
 968         * mf-hooks: Removed.
 969         * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
 970         Move these macros from old mf-hooks.c here.
 971         * Makefile.am: Adapt to split-up hook sources for faster builds.
 972         * Makefile.in: Regenerated.
 973
 974         * mf-heuristics.c: Remove #if-0 block.
 975
 976         * mf-impl.h (__mf_state): Reorganize declaration and implementation.
 977         (__mf_starting_p): New state only for use while dlsym bootstrapping.
 978         (CALL_REAL, __mf_init): Corresponding changes.
 979         (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix.  Update
 980         all callers to remove redundant "mf:" prefix.
 981         * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
 982         * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
 983         (__mf_pthread_info): Become a hash table.
 984
 985         * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
 986         "dg-repetitions" directives to control test case execution.
 987         * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
 988         options.
 989         * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
 990
 991 2003-06-25  Frank Ch. Eigler  <fche@redhat.com>
 992
 993         * mf-hooks.c (alloca): Separate into stub.
 994         (__mf_wrap_alloca_indirect): New function.  Use CALL_REAL
 995         malloc/free for alloca blocks.
 996         (pthread_create): Tolerate failing pthread_attr_get* calls.
 997         * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
 998         * mf-impl.h (CALL_WRAP): Remove macro.
 999         * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
1000         * testsuite/libmudflap.c/pass23-frag.c: Include more struct
1001         padding for ia64 BIT_FIELD_REF constructs.
1002
1003 2003-06-19  Frank Ch. Eigler  <fche@redhat.com>
1004
1005         * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
1006         (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
1007         libmudflap object type.
1008         * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
1009         crashes on unregistering STATIC objects.
1010
1011 2003-06-17  Frank Ch. Eigler  <fche@redhat.com>
1012
1013         Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
1014         * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
1015         (time, strerror, fopen, fopen64, fclose, fread): New hooks.
1016         (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
1017         (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
1018         (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
1019         (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
1020         (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
1021         (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
1022         (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
1023         (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
1024         (accept, bind, connect, gethostname, sethostname): New hooks.
1025         (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
1026         (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
1027         (semop, semctl, shmctl, shmat, shmdt): New hooks.
1028         * mf-runtime.h.in: Corresponding changes.
1029         * mf-runtime.c (__mf_ini): Register stdio objects.  Use STATIC type.
1030         (opts) Rename heur_argv_environ to heur_std_data.
1031         (__mf_wrap_main): Use STATIC type for argv/environ strings.
1032         * Makefile.am: Corresponding changes.
1033         * Makefile.in: Regenerated.
1034
1035 2003-06-11  Frank Ch. Eigler  <fche@redhat.com>
1036
1037         * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
1038         heuristic for threaded case, and for non-x86-linux targets.
1039         * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
1040         for use during pre-main() program startup.
1041         (__mf_0fn_*): Make these functions non-static.
1042         * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
1043         functions.
1044         * mf-runtime.c (__mf_state): Set initial state to "starting".
1045         (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
1046         (__wrap_main): New function to register argv[] and environ[] strings.
1047         (__mf_ini): Call it.
1048         (*): In all trace functions, use "%p" as formatter for uintptr_t.
1049
1050         * testsuite/libmudflap.c/pass38-frag.c: New test case.
1051         * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
1052
1053         * acinclude.m4: Add comments with aoliva's concerns about x86_64
1054         pass_all.
1055         * aclocal.m4, configure: Regenerated.
1056
1057 2003-06-04  Frank Ch. Eigler  <fche@redhat.com>
1058
1059         * acinclude.m4: Correct typo in AC_MSG_CHECKING.
1060         * aclocal.m4, configure: Regenerated.
1061
1062 2003-06-03  Frank Ch. Eigler  <fche@redhat.com>
1063
1064         * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
1065         for x86_64 target.  Disable caching for this value.
1066         * aclocal.m4, configure: Regenerated.
1067
1068 2003-06-02  Frank Ch. Eigler  <fche@redhat.com>
1069
1070         * testsuite/libmudflap.c/pass38-frag.c: Deleted.  -fwritable-strings
1071         is about to become deprecated, and its present handling bugs are
1072         unworthy of fixing.
1073
1074 2003-05-30  Frank Ch. Eigler  <fche@redhat.com>
1075
1076         * testsuite/libmudflap.c/pass38-frag.c: New test for
1077         -fwritable-strings.
1078
1079 2003-05-23  Frank Ch. Eigler  <fche@redhat.com>
1080
1081         * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
1082         __mf_report, asserting reentrant calling context.
1083
1084 2003-05-23  Frank Ch. Eigler  <fche@redhat.com>
1085
1086         * mf-hooks.c (realloc): Correct reentrancy logic.
1087         * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
1088
1089 2003-05-20  Frank Ch. Eigler  <fche@redhat.com>
1090
1091         * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
1092         PTHREAD_THREADS_MAX.  Update users.
1093         * mf-runtime.c (__mf_usage): Print [active] instead of [default]
1094         for active options.
1095         * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
1096         with libmudflapth presence indicator.
1097         * testsuite/Makefile.in: Regenerated.
1098
1099 2003-05-16  Frank Ch. Eigler  <fche@redhat.com>
1100
1101         * Makefile.am (AM_CFLAGS): Remove "-ansi".
1102         * configure.in: Remove silly no-pthreads => no-shared logic.
1103         * Makefile.in, configure: Regenerated.
1104         * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
1105         * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
1106         code.  Count reentrancy events.
1107         (all hook functions): Don't directly manipulate __mf_state variable.
1108         Add TRACE calls to hook functions without them.
1109         * mf-impl.h (LOCKTH): Try to count lock contention events.
1110         (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
1111         * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
1112         Reorganize reentrancy code.
1113         (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
1114         identify reentrancy with mutex holding times.
1115         (internal __mfu_ entry points): Remove internal reentrancy code.
1116         (__mf_init): Use ordinary locked calls.
1117         (__mfu_report): Print the two new counts.
1118         * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
1119         * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
1120         * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
1121         * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
1122         option defaults.
1123
1124 2003-05-09  Frank Ch. Eigler  <fche@redhat.com>
1125
1126         * configure.in: Add pthread support, plus glibc and porting hacks.
1127         * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
1128         from objects built into ./pth/.
1129         * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
1130         functions for internal entry points.  Update callers to pick
1131         locked vs. unlocked variants.
1132         (__mf_resolve_single_dynamic): Extend to support symbol versioning
1133         info coming in from a static data structure.
1134         (*): Reorder miscellaneous declarations to group data vs functions.
1135         (__mf_set_default_options): Simplify.
1136         (__mf_usage): Mention threading status of host executable.
1137         * mf-impl.h: Move max/min decls here.  Reorganize __mf_dynamic
1138         decls to match above.
1139         (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
1140         * mf-heuristics.c: Choose between locked/unlocked calls.  Add
1141         some lock/unlock markers.  Remove some unused code.
1142         * mf-hooks: Ditto.
1143         (pthread_create): New hook function.
1144         (__mf_pthread_cleanup, _spawner): New helper functions.
1145         * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
1146
1147 2003-05-02  Frank Ch. Eigler  <fche@redhat.com>
1148
1149         * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
1150
1151 2002-04-28  Frank Ch. Eigler  <fche@redhat.com>
1152
1153         * Makefile.am (HOOKOBJS): Add *time related hooks.
1154         * configure.in: Look for pthreads.h header.
1155         * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
1156         * mf-runtime.c: Begin sketching some pthreads support.
1157         (__mf_usage): Check for -lpthread presence.
1158         (__mf_unregister): Confirm matching unregistration base.
1159         (__mf_find_objects_rec): Reduce unnecessary recursion.
1160         * mf-runtime.h.in: Add "nothrow" attribute to functions.  Add
1161         #defines for new hook functions.
1162         * mf-impl.h: Corresponding changes.
1163         * config.h.in, configure, Makefile.in: Regenerated.
1164
1165 2002-04-27  Diego Novillo  <dnovillo@redhat.com>
1166
1167         * testsuite/libmudflap.c/fail1-frag.c: Add volatile
1168         modifiers to prevent being optimized away.
1169         * testsuite/libmudflap.c/fail10-frag.c: Likewise.
1170         * testsuite/libmudflap.c/fail13-frag.c: Likewise.
1171         * testsuite/libmudflap.c/fail14-frag.c: Likewise.
1172         * testsuite/libmudflap.c/fail15-frag.c: Likewise.
1173         * testsuite/libmudflap.c/fail2-frag.c: Likewise.
1174         * testsuite/libmudflap.c/fail20-frag.c: Likewise.
1175         * testsuite/libmudflap.c/fail3-frag.c: Likewise.
1176
1177 2003-04-15  Frank Ch. Eigler  <fche@redhat.com>
1178
1179         * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
1180         * configure.in: Look for uintptr_t and -ldl on target.
1181         * mf-runtime.h.in: Adjust uintptr_t declaration logic.
1182         * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
1183         * testsuite/Makefile.in: Regenerated.
1184         * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
1185         for better C compliance.
1186
1187 2003-04-15  Frank Ch. Eigler  <fche@redhat.com>
1188
1189         * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
1190         prevention code.
1191         * mf-runtime.c (__mf_set_default_options): Turn off
1192         check-initialization.
1193         (__mf_describe_object): Shorten description.
1194         * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
1195
1196 2003-04-07  Frank Ch. Eigler  <fche@redhat.com>
1197
1198         * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
1199
1200 2003-04-02  Frank Ch. Eigler  <fche@redhat.com>
1201
1202         * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
1203         calls specially.
1204         (__mf_0fn_malloc ... _munmap): New dummy backup calls.
1205         * mf-impl.h (CALL_BACKUP): New macros.
1206         * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
1207
1208 2003-03-31  Frank Ch. Eigler  <fche@redhat.com>
1209
1210         * Makefile.am (AM_CFLAGS): Remove optimization flags.
1211         (HOOKOBJS): Remove dlopen hook.
1212         (libmudflap_la_LIBADD): Add -ldl.
1213         * mf-hooks.c (dlopen): Remove hook.
1214         * mf-impl.h (__mf_dynamic): Ditto.
1215         * mf-runtime.c (__mf_resolve_dynamics): Ditto.
1216         * Makefile.in: Regenerated.
1217
1218 2003-03-28  Frank Ch. Eigler  <fche@redhat.com>
1219
1220         * configure.in: Check for target gettimeofday, signal, some headers.
1221         * mf-impl.h (__mf_opts): Add new "sigusr1_report" field.  Comment
1222         out inop multi_threaded field.
1223         * mf-runtime.c (options): Handle new "-sigusr1-report" option.
1224         (__mf_set_options): Correct handling of "-help".
1225         (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
1226         (__mf_check, __mf_register, __mf_unregister): Call it.
1227         (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
1228         (__mf_report_leaks): Make callable
1229         (__mf_tree_analyze): Traverse in-order.  Accumulate address bit
1230         distribution statistics.
1231         (__mf_adapt_cache): Rewrite shift guessing logic based on address
1232         bit distributions.
1233         * config.h.in, configure: Regenerated.
1234         * testsuite/libmudflap.c/fail27-frag.c: New test.
1235         * testsuite/libmudflap.c/pass36-frag.c: New test.
1236
1237 2003-03-11  Frank Ch. Eigler  <fche@redhat.com>
1238
1239         * mf-runtime.h.in: Tweak.
1240         * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
1241         Don't use intermediate files nor AC_OUTPUT-time postprocessing.
1242         * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
1243
1244 2003-03-10  Frank Ch. Eigler  <fche@redhat.com>
1245
1246         * configure.in: Tweak generation of mf-runtime.h some more.  It
1247         needs to work from both config.status and configure.
1248         * configure: Regenerated.
1249
1250 2003-03-10  Frank Ch. Eigler  <fche@redhat.com>
1251
1252         * Makefile.am: Reorganize hook file building.  Add auto dependencies.
1253         * configure.in: Tweak generation of mf-runtime.h.
1254         * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
1255         * mf-hooks.c (*): Adapt to initialized-heap object type.
1256         * mf-impl.h: Tweak cemetary boundaries.
1257         * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
1258         type.
1259         (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
1260         (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
1261         * testsuite/lib/libmudflap.exp (includes): Include build tree.
1262         * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
1263         checking.
1264         * testsuite/.../fail{25,26}-frag.c: New tests.
1265         * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
1266         * Makefile.in, configure: Regenerated.
1267
1268 2003-03-05  Frank Ch. Eigler  <fche@redhat.com>
1269
1270         * mf-runtime.c (__mf_set_default_options): Turn on initialization
1271         checking by default.
1272         (__mf_insert_new_object): As a temporary hack, assume that new
1273         objects registered on the stack start out initialized.
1274         * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
1275         heap objects by hand.
1276
1277 2003-03-05  Frank Ch. Eigler  <fche@redhat.com>
1278
1279         Switch to macro-style hooks for str*/mem*/b* functions.
1280         * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
1281         (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
1282         * mf-runtime.c: #include config.h to enable glibc backtraces again.
1283         (__mf_set_default_options): Turn off heur_proc_map.
1284         (*): Adapt to to macro-style hook functions.
1285         (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
1286         (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
1287         (__mf_violation): Handle __MF_VIOL_WATCH.
1288         * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
1289         (__mf_dynamic): Removed mem*/str*/b* functions.
1290         (TRACE, VERBOSE_TRACE): Add reentrancy locking.
1291         (WRAPPER2): New macro for macro-style hooks.
1292         * mf-hooks.c: Convert mem*/str*/b* functions to simpler
1293         macro-style hooks.
1294         (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
1295         * mf-heuristics.c: Adapt to macro-style hook functions.
1296         Correct some comments.
1297         * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
1298         output pattern tests.
1299         * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
1300         * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
1301
1302 2003-02-28  Frank Ch. Eigler  <fche@redhat.com>
1303
1304         * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
1305         for global array registration.
1306         * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
1307         * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
1308
1309 2003-02-27  Frank Ch. Eigler  <fche@redhat.com>
1310
1311         * Makefile.am: Add gross make bug workarounds.  Tweaked
1312         SUBDIRS and AM_CFLAGS.
1313         * Makefile.in: Regenerated.
1314
1315 2003-02-26  Frank Ch. Eigler  <fche@redhat.com>
1316
1317         Switch to dejagnu.
1318         * configure.in (AC_PROG_CXX): Don't look for C++ any more.
1319         * Makefile.am (TESTS): Remove simple automake testing.
1320         * configure, Makefile.in: Regenerated.
1321         (SUBDIRS): Include new testsuite/ directory.
1322         * tests/*: Removed all files; moved bulk under:
1323         * testsuite/*: New subdirectory tree.
1324         * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
1325         * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
1326         * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
1327         * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
1328         * testsuite/config/default.exp: New file.
1329         * testsuite/Makefile.am, Makefile.in: New files.
1330
1331 2003-01-29  Frank Ch. Eigler  <fche@redhat.com>
1332
1333         * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
1334         (TESTS): Add fail22 and pass29 tests.
1335         * mf-runtime.h.in: Change API to take void*/size_t region parameters.
1336         Add new access-type parameter for __mf_check.  Move __MF_VIOL* out.
1337         * mf-impl.h: Corresponding changes.  Update CLAMP* macros for void*
1338         values.  Move __MF_VIOL* here.
1339         * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
1340         (check_initialization): New field in __mf_opts.  Default off.
1341         (read_count,write_count): New fields in __mf_object.
1342         (__mf_check): Implement basic initialization checking.
1343         (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
1344         (__mf_describe_object): Print new fields.
1345         (__mf_violation): Identify check/read vs. check/write in messages.
1346         * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
1347         "-check-initialized" mudflap option.
1348         * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
1349         * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
1350         Drop __FILE__/__LINE__ hack.  Update callers.
1351         (*): Adapt to new mf-runtime.h API.
1352         * Makefile.in: regenerated.
1353
1354 2003-01-24  Frank Ch. Eigler  <fche@redhat.com>
1355
1356         * configure.in: Build mf-runtime.h a more proper way.
1357         * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
1358         * mf-runtime.c (verbose_violations): Turn on by default.
1359         * mf-runtime.h.in: Remove some miscellaneous stuff ...
1360         * mf-impl.h: ... and move it here.
1361         * configure: Regenerated.
1362
1363 2003-01-22  Frank Ch. Eigler  <fche@redhat.com>
1364
1365         * configure.in: Look for C++ compiler.
1366         * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
1367         fixed type warnings when built with C++.
1368         * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
1369         * Makefile.am (TESTS): Run them.
1370         (*) Add new rules for building and running C++ tests.
1371         (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
1372         * mf-runtime.h.in: Protect with extern "C".
1373         * Makefile, configure: Regenerated.
1374
1375 2003-01-06  Frank Ch. Eigler  <fche@redhat.com>
1376
1377         Portability improvements.
1378         * configure.in: Look for glibc backtrace headers/functions.
1379         * mf-hooks.c: Don't include <execinfo.h> any more.
1380         * mf-runtime.c (__mf_set_options): Call more stdlib functions
1381         via CALL_REAL.
1382         (__mf_backtrace): Provide alternate baby implementation in
1383         absence of glibc.
1384         * test/mf-driver.c: Portability tweaks.
1385         * acinclude.m4: New file, containing top level libtool.m4.
1386         * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1387
1388 2002-12-19  Frank Ch. Eigler  <fche@redhat.com>
1389
1390         * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1391
1392 2002-11-08  Frank Ch. Eigler  <fche@redhat.com>
1393
1394         * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1395         options.
1396         (__mf_unregister): Implement stack/heap object wiping.
1397         (__mf_set_options): Renamed from __mf_process_opts.
1398         (__mf_uncache_object): Change arg type, correct callers.
1399         * mf-impl.h: Corresponding changes.
1400         * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1401         * mf-runtime.h.in (__mf_set_options): Extend public API.
1402         * test/pass26-frag.c: New test for stack wiping.
1403         * Makefile.am (TESTS): Run it.
1404         * Makefile.in: Regenerated.
1405
1406 2002-11-07  Frank Ch. Eigler  <fche@redhat.com>
1407
1408         * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1409         * mf-runtime.c (__mf_object_t): Add watching_p field.
1410         (__mf_watch_or_not): New function to implement
1411         object watch flagging.
1412         (__mf_watch, __mf_unwatch): New wrappers for above.
1413         (__mf_check, __mf_describe_object): Handle objects with watching_p.
1414         (__mf_count_violation): Enlarge array.
1415         (__mf_uncache_object): Renamed from __mf_remove_old_object.  Don't
1416         unlink object.  Clear cache properly.
1417         (__mf_unregister): Unlink object explicitly before uncaching.
1418         * test/fail21-frag.c, pass25-frag.c: New tests.
1419         * Makefile.in, aclocal.m4: Regenerated.
1420
1421 2002-11-05  Frank Ch. Eigler  <fche@redhat.com>
1422
1423         * test/fail20-frag.c: New test for NULL pointer dereferencing.
1424         * Makefile.am (TESTS): Add it.
1425         * test/pass-stratcliff.c: Add decls of stpcpy.
1426         * configure.in: Test for <stdint.h>.  Generate mf-runtime.h in
1427         build tree from config.h and new file mf-runtime.h.in.
1428         * mf-runtime.h.in: Renamed from mf-runtime.h.  Tweak uintptr_t decl.
1429         * Makefile.in, configure, config.h.in: Regenerated.
1430         * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1431         * mf-runtime.c (options, __mf_set_default_options): Support new
1432         default "abbreviate" option.
1433         (__mf_object.description_epoch): New field.
1434         (__mf_describe_object): Conditionally abbreviate objects already
1435         displayed in current epoch.  Accept NULL input to increment epoch.
1436         (__mf_fini, __mf_ini): Reset description epoch.
1437         (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1438         that NULL pointer slot in lookup cache is invalidated.  Register a
1439         NOACCESS region around NULL.
1440         * mf-impl.h: Corresponding changes.
1441
1442 2002-10-16  Frank Ch. Eigler  <fche@redhat.com>
1443
1444         * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1445         * Makefile.am: Run them.  Install mf-runtime.h.
1446         * Makefile.in: Regenerated.
1447         * mf-hooks.c: Add some markers for more missing functions.
1448         * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1449         statistic to tune tune cache size (mask).
1450
1451 2002-10-01  Frank Ch. Eigler  <fche@redhat.com>
1452
1453         * test/pass23-frag.c: New test for bit_field_ref expressions.
1454         * Makefile.am, Makefile.in: Add new test.
1455         * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1456         (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1457         * mf-runtime.c (__mf_init): Register errno global.
1458         (__mf_find_object): Removed function.
1459         (__mf_check): Rewrite logic to support accesses across some
1460         contiguous but distinctly registered objects.
1461         (__mf_remove_old_object): Tolerate cache entries that span
1462         contiguous objects.
1463
1464 2002-09-30  Frank Ch. Eigler  <fche@redhat.com>
1465
1466         * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1467         * Makefile.am, Makefile.in: Run new tests.
1468         * mf-hooks.c (alloca): Correct stack direction logic.
1469
1470 2002-09-26  Frank Ch. Eigler  <fche@redhat.com>
1471
1472         * mf-impl.h (adapt_cache): New option.
1473         * mf-runtime.c (__mf_set_default_options): Set its default value.
1474         Tweak the tree_aging parameter down.
1475         (__mf_check): Maintain separate counter for cache-adaptation.
1476         (__mf_tree_analyze): New function to collect object tree stats.
1477         (__mf_adapt_cache): New function to automate cache parameters.
1478
1479 2002-09-24  Frank Ch. Eigler  <fche@redhat.com>
1480
1481         * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1482         hypothetical #if-0'd argv/envp region registration.
1483         * mf-runtime.c (__mf_init): Add kludged form of above.
1484         (*) Add "heur_argv_environ" flag, default on, to govern this.
1485         * mf-impl.h: Corresponding changes.
1486
1487 2002-09-20  Frank Ch. Eigler  <fche@redhat.com>
1488
1489         * test/fail18-frag.c: New test file for NOACCESS regions.
1490         * Makefile.am (TESTS): Add new test.
1491         * Makefile.in: Regenerated.
1492
1493         * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1494         * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1495         (optimize_object_tree): Remove unused mudflap_option.
1496         * mf-runtime.h (__MF_TYPE_NOACCESS): New region type.  Add printing
1497         support throughout.  Use .._MAX_CEM for cemetary upper bound.
1498         * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1499         regions.
1500         (__mf_object): Add new liveness field for use by tree aging.
1501         (__mf_check): Trigger tree aging when needed.
1502         (__mf_age_tree): New function to decay liveness field.
1503         (__mf_find_objects_rec): Use liveness field to rotate tree.
1504         (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1505         (__mf_unregister): Ditto.
1506         (__mf_register): Tweak duplicate-static message.
1507         (__mf_violation: Tweak nearby-object counter printing.
1508
1509 2002-09-16  Frank Ch. Eigler  <fche@redhat.com>
1510
1511         * test/pass20-frag.c: New test file.
1512         * Makefile.am (TESTS): Reorganize.  Add pass20 test.
1513         * Makefile.in: Regenerated.
1514
1515         * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros.  Update callers.
1516         * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1517         * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1518         entries to avoid repeat registration.
1519         * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1520         (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1521
1522 2002-09-09  Frank Ch. Eigler  <fche@redhat.com>
1523
1524         * Makefile.am: Create test sources with #include, not cat>>.
1525         * Makefile.in: Regenerated.
1526         * test/buildtest.sh: Removed.
1527         * test/driver.c (abort_handler, main): Be quiet.
1528
1529 2002-09-06  Frank Ch. Eigler  <fche@redhat.com>
1530
1531         * test/pass18-frag.c, pass19-frag.c: New tests.
1532         * Makefile.am (check): Run them.  Rebuild test programs each time.
1533         * Makefile.in: Regenerated.
1534
1535 2002-09-06  Frank Ch. Eigler  <fche@redhat.com>
1536
1537         * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1538         overlapping object search.
1539         (__mf_violation): Likewise for nearby objects.
1540         Improve nearby-object listing.
1541
1542         cleanup:
1543         * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1544         * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1545
1546 2002-09-03  Frank Ch. Eigler  <fche@redhat.com>
1547
1548         alloca support:
1549         * Makefile.am (AM_CFLAGS): New definition of needed settings.
1550         (HOOKOBJS): Add alloca-hook.o.
1551         * mf-hooks.c (alloca): New function to implement alloca in libiberty
1552         style.
1553         * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1554         (__mf_backtrace): Reimplement without using alloca.
1555         * Makefile.in: Regenerated.
1556
1557         cleanup:
1558         * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1559         Correct signedness bugs in length-tracking variables.
1560         * mf-impl.h: Make options unsigned.
1561         (CALL_WRAP): New macro to parallel CALL_REAL().
1562         (DECLARE): Remove erroneous ";" at end.
1563         * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1564         formatting specs with %08lx.  Correct several compiler warnings.
1565
1566 2002-08-28  Frank Ch. Eigler  <fche@redhat.com>
1567
1568         * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1569
1570 2002-08-27  Frank Ch. Eigler  <fche@redhat.com>
1571
1572         libmudflap hook breakup:
1573         * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1574         for libgcc_s.
1575         (TESTS): Make dependent on libmudflap.
1576         (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1577         compiled from segments of mf-hooks.c.
1578         * mf-hooks.c: Corresponding changes: wrap each function in
1579         #ifdef/#endif.
1580         * Makefile.in: Regenerated.
1581
1582         Heuristics reorganization:
1583         * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1584         Remove these functions.  Update callers.
1585         (__mf_heuristic_check): Incorporate all the various heuristics.
1586         Encode cacheability/retry judgement into trinary return value.
1587         Separate start-end logic into a separate fallback heuristic.  Only
1588         register relevant /proc/self/map segments.
1589         * mf-impl.h: Corresponding changes.
1590         * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1591         (__mf_init): Don't call __mf_init_heuristics.
1592
1593         Tracing cleanup:
1594         * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1595         "-verbose-trace" to emit all tracing messages other than those of
1596         basic public api.  Eliminate some duplicate/excessive messages.
1597         * mf-runtime.h: Corresponding changes.
1598
1599 2002-08-27  Graydon Hoare  <graydon@redhat.com>
1600
1601         * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1602         and __real when compiled with -DPIC.
1603         * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1604         * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1605         * Makefile.in: Regenerate.
1606
1607 2002-08-26  Graydon Hoare  <graydon@redhat.com>
1608
1609         * mf-impl.h: New file, private implementation header.
1610         * mf-runtime.h: Reorganize a bit.
1611         (CLAMPSZ): Fix arithmetic.
1612         (__MF_CACHE_MISS_P): Fix arithmetic.
1613         * mf-runtime.c: Reorganize a bit.
1614         (__mf_dynamic): New structure.
1615         (resolve_single_dynamic): New function.
1616         (__mf_resolve_dynamics): New function.
1617         (__mf_init): Initialize dynamic wrappers.
1618         * mf-hooks.c: Macro-ize __real calls.
1619         Clamp various bits of arithmetic.
1620         Add explicit __mf_check call contexts.
1621         * Makefile.am: Add dependencies on mf-impl.h
1622         * Makefile.in: Regenerate.
1623         * configure.in: Comment out shared override.
1624         * configure: Regenerate.
1625
1626 2002-08-22  Graydon Hoare  <graydon@redhat.com>
1627
1628         * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1629         (__mf_check): Re-inialize and check heuristics before violation.
1630         (__mf_register): Permit updating pure-guess regions.
1631         * mf-hooks.c (__wrap_free): Correct some free queue logic.
1632         (__wrap_dlopen): New wrapper function.
1633         (__wrap_mmap): New wrapper function.
1634         (__wrap_munmap): New wrapper function.
1635         * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1636         which are not stack addresses.
1637         (is_stack_address): New function.
1638         (__mf_init_heuristics): Save and restore state, always initialize with
1639         "starting" state.
1640
1641 2002-08-21  Frank Ch. Eigler  <fche@redhat.com>
1642
1643         * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1644         error.  Pass location string.
1645         (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1646         * mf-runtime.c (options): Add lc-mask, lc-shift options.
1647         (__mf_process_opts): Apply some sanity checking for lc-mask.
1648         (__mf_check, __mf_violation): Take new location-string argument.
1649         Update callers to pass NULL if necessary.
1650         (__mf_backtrace): New smart backtracer function.  Calls replace
1651         several ad-hoc blocks elsewhere.
1652         (__mf_describe_object): Remove bad reentrancy test.  Improve
1653         tracing message.
1654         * mf-runtime.h: Corresponding changes.  Public/private markup.
1655         (__MF_CACHE_MISS_P): New macro.
1656
1657 2002-08-20  Graydon Hoare  <graydon@redhat.com>
1658
1659         * mf-runtime.h: New option: stack_bound (heuristic).
1660         Move some macros out of implementation files.
1661         * mf-runtime.c: New option string: -stack-bound.
1662         Unify recursion protection with hooks.
1663         Add more logging.
1664         (__mf_check): Call __mf_heuristic_check.
1665         (__mf_process_opts): Fix "no-" processing.
1666         * mf-heuristics.c (__mf_heuristic_check): New function.
1667         * mf-hooks.c: Much off-by-one fixing, recursion protection.
1668
1669 2002-08-20  Frank Ch. Eigler  <fche@redhat.com>
1670
1671         Option parsing improvements, region splitting bug fixes:
1672         * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1673         * mf-runtime.h (heur_proc_map): New libmudflap option.
1674         * mf-runtime.c (__mf_set_default_options): Set it.
1675         (__mf_usage): Print default values/status.
1676         (__mf_process_opts): Support general "no-" option string prefix.
1677         (__mf_init): Print __mf_usage on unknown-option error.
1678         (__mf_register): Print trace message up front.
1679         Correct region splitting logic for case where a subregion disappears.
1680         Correct memory leak.
1681         (__mf_violation): Make even basic message conditional on option.
1682
1683         Build cleanup:
1684         * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1685         (clean-local): New target.
1686         (test/*x rules): Add -g CFLAGS.
1687         (CFLAGS): Add -freorder-blocks.
1688         (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1689         * Makefile.in: Regenerated.
1690         * Makefile, mf-config.h: Removed files.
1691
1692 2002-08-16  Graydon Hoare  <graydon@redhat.com>
1693
1694         * mf-runtime.c (__mf_insert_new_object): Factor out of
1695         __mf_register.
1696         (__mf_remove_old_object): Factor out of __mf_unregister.
1697         (__mf_register): Handle guessed regions, splitting
1698         guesses when new registrations arrive.
1699         (__mf_unregister): Do not unregister guesses.
1700         * mf-runtime.h: Move convenience macros around,
1701         declare new option fields. Add __MF_TYPE_GUESS.
1702         * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1703         (__wrap_free): Call __real_free for deferred frees.
1704         * Makefile.am: Add more tests, fix dependency.
1705         * Makefile.in: Regenerate.
1706         * test/pass[13..17]-frag.c: New testcases.
1707         * test/fail[13..17]-frag.c: New testcases.
1708
1709 2002-08-15  Graydon Hoare  <graydon@redhat.com>
1710
1711         * mf-heuristics.c: New file.
1712         * mf-runtime.c (options): Add -trace-calls option.
1713         (__mf_init): Call __mf_init_heuristics.
1714
1715 2002-08-14  Graydon Hoare  <graydon@redhat.com>
1716
1717         * Makefile.am (TESTS): Add testsuite support.
1718         * Makefile.in: Regenerate.
1719         * test/mf-driver.c: New file.
1720         * test/buildtest.sh: New file.
1721         * test/passNN-frag.c: New testcases.
1722         * test/failNN-frag.c: New testcases.
1723
1724 2002-08-14  Graydon Hoare  <graydon@redhat.com>
1725
1726         * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1727         verifying non-size-limited string extents.
1728
1729 2002-08-14  Frank Ch. Eigler  <fche@redhat.com>
1730
1731         * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1732         instead of plain str[n]len for internal checks.
1733         * mf-runtime.c (__mf_violation): Print optional stack traceback.
1734
1735 2002-08-14  Frank Ch. Eigler  <fche@redhat.com>
1736
1737         * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1738
1739 2002-08-13  Graydon Hoare  <graydon@redhat.com>
1740
1741         * mf-runtime.c: Rework configuration to operate on
1742         environment variable options rather than #defines
1743         (__mf_violation): Add simple fork-a-gdb violaiton mode.
1744         (__mf_init): Set static __mf_active_p flag on startup,
1745         to inhibit mudflap wrap-based checking during crt0.s.
1746         * mf-runtime.h: Declare options structure.
1747         * mf-hooks.c: New wrappings for mem*, b*, str*
1748         libc functions (temporarily #if 0-ed out).
1749
1750 2002-08-12  Frank Ch. Eigler  <fche@redhat.com>
1751
1752         * Makefile.am, configure.in: New files.
1753         * Makefile.in, Makefile, configure, config.h.in: New generated files.
1754         * stamp-h.in, aclocal.m4: Ditto.
1755
1756 2002-08-08  Frank Ch. Eigler  <fche@redhat.com>
1757
1758         * Makefile: New file.
1759         * mf-config.h: New file: runtime configuration.
1760         * mf-hooks.c: New file: interposed libc functions.
1761         * mf-runtime.c: New file: bulk of runtime.
1762         * mf-runtime.h: New file: public functions.