libmudflap/ChangeLog

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