libmudflap/ChangeLog

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