libmudflap/ChangeLog

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