libmudflap/ChangeLog

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