libmudflap/ChangeLog

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