libmudflap/ChangeLog

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