libmudflap/ChangeLog

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