libmudflap/ChangeLog

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