libmudflap/ChangeLog

   1 2004-11-24  Kelley Cook  <kcook@gcc.gnu.org>
   2
   3         * Makefile.am: Revert previous.
   4         * acinclude.m4: Restore.
   5         * aclocal.m4, configure, Makefile.in: Regenerate.
   6         * testsuite/Makefile.in: Likewise.
   7
   8 2004-11-24  Kelley Cook  <kcook@gcc.gnu.org>
   9
  10         * Makefile.am: Define ACLOCAL_AMFLAGS.
  11         * acinclude.m4: Remove.
  12         * aclocal.m4, configure, Makefile.in: Regenerate.
  13         * testsuite/Makefile.in: Likewise.
  14
  15 2004-11-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
  16
  17         * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
  18
  19 2004-11-23  Kelley Cook  <kcook@gcc.gnu.org>
  20
  21         * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
  22         * testsuite/Makefile.in: Likewise.
  23
  24 2004-11-01  Andreas Schwab  <schwab@suse.de>
  25
  26         * configure.ac: (target_alias): Default to $host_alias, not
  27         $target.
  28         * configure: Regenerated.
  29
  30 2004-10-28  Frank Ch. Eigler  <fche@redhat.com>
  31
  32         * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
  33         * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
  34         message.
  35
  36 2004-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
  37
  38         PR other/18138
  39         * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
  40
  41 2004-10-12  Frank Ch. Eigler  <fche@redhat.com>
  42
  43         * configure.ac: Check for more headers, functions.
  44         * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
  45         tracking overridden FILE buffers.
  46         (fopen, setvbuf): New/revised hook functions for buffer overriding.
  47         (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
  48         (fflush): Accept given NULL stream (means "all streams").
  49         * mf-runtime.h.in:
  50         * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
  51         HEAP/GUESS objects.
  52         (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
  53         (__mf_adapt_cache): Use them all.
  54         * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
  55         * testsuite/libmudflap.c++/ctors.exp: Ditto.
  56         * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
  57         * configure, config.h.in: Regenerated.
  58
  59 2004-10-05  Frank Ch. Eigler  <fche@redhat.com>
  60
  61         * configure.ac: Checking for sys/socket.h once is enough.
  62         * configure: Regenerated.
  63
  64 2004-10-04  Frank Ch. Eigler  <fche@redhat.com>
  65
  66         * configure.ac: Look for more headers & functions.
  67         * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
  68         * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
  69         * mf-runtime.c (options): Clean up integer signedness warnings.
  70         (main): Add a declaration to fix a warning.
  71         * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
  72         * configure, config.h.in: Regenerated.
  73
  74 2004-10-02  Frank Ch. Eigler  <fche@redhat.com>
  75
  76         * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
  77         New tests for proper base/limit checking for aggregates.
  78
  79 2004-09-15  Joseph S. Myers  <jsm@polyomino.org.uk>
  80
  81         * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
  82
  83 2004-09-07  Frank Ch. Eigler  <fche@redhat.com>
  84
  85         * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
  86         * mf-hooks2.c (strerror): Unregister previous string returned by
  87         previous strerror.
  88         (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
  89         (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
  90         * mf-runtime.h.in: Add redefine_extname pragmas for them all.
  91         * mf-runtime.c (__mf_describe_object): Clarify object life status.
  92         * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
  93         New tests.
  94         * configure, config.h.in: Regenerated.
  95
  96 2004-08-03  Dale Johannesen  <dalej@apple.com>
  97
  98          * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
  99
 100 2004-08-03  Frank Ch. Eigler  <fche@redhat.com>
 101
 102         * mf-runtime.c (compare_uintptr_t): Remove function.  Inline
 103         simplified contents in all former callers.
 104
 105 2004-07-27  Ulrich Weigand  <weigand@informatik.uni-erlangen.de>
 106
 107         * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
 108         the statically linked case.
 109
 110 2004-07-27  Frank Ch. Eigler  <fche@redhat.com>
 111
 112         * splay-tree.[ch]: Remove.  Merge contents into ...
 113         * mf-runtime.c: ... here, renaming symbols and making all functions
 114         static.  Remove unused min/max functions.
 115         * Makefile.am: Forget about splay-tree.[ch].
 116         * Makefile.in, testsuite/Makefile.in: Regenerated.
 117
 118 2004-07-21  Frank Ch. Eigler  <fche@redhat.com>
 119
 120         * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
 121         (__mfu_usage): Include (C) 2004.
 122         * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
 123         here.  Include a comment explaining why.
 124
 125 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
 126
 127         * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
 128         * mf-runtime.c (options): Give them a name.
 129         (__mf_set_default_options): Set them.
 130         (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
 131         (__mf_violation): Warning cleanup.
 132         * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
 133         * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
 134
 135 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
 136
 137         g++/15861
 138         * mf-runtime.c (__mf_init): Make it non-static.  Tolerate
 139         repeated invocation.
 140
 141 2004-07-09  Frank Ch. Eigler  <fche@redhat.com>
 142
 143         Test case for g++/15861
 144         * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
 145         * testsuite/libmudflap.c++/ctors.exp: Driver.
 146         * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
 147         Look only for *frag* test cases.
 148
 149 2004-07-08  Frank Ch. Eigler  <fche@redhat.com>
 150
 151         ANSI C conversion, libmudflap specialization, recursion limiting.
 152         * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
 153         argument and indirection function pointers, update callers.
 154         (splay_tree_s): Add statistics and recursion control fields
 155         num_keys, max_depth, depth, rebalance_p.
 156         * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
 157         Back out of search if it exceeds limit.
 158         (splay_tree_splay): Manage recursion limiting with rebalancing as
 159         needed.
 160         (splay_tree_new): More initialization.
 161         (splay_tree_rebalance): New function.
 162         (splay_tree_foreach): Rewrite using nonrecursive logic.
 163         (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
 164         Remove.  Point indirect calls to mf-runtime.c's routines.
 165         (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
 166         functions.
 167         (splay_tree_delete, splay_tree_delete_helper): Ditto.
 168         * testsuite/heap-scalestress.c: New test based on one from
 169         Eyal Lebedinsky <eyal@eyal.emu.id.au>:
 170
 171 2004-07-05  Matthias Klose  <doko@debian.org>
 172
 173         * libtool-version: New.
 174         * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
 175         Use -version-info for soname.
 176         * Makefile.in: Regenerate.
 177         * configure.ac: Remove libtool_VERSION macro
 178         * configure: Regenerate
 179
 180 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
 181
 182         * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
 183         __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
 184         #ifndef _MUDFLAP.
 185
 186 2004-06-29  Frank Ch. Eigler  <fche@redhat.com>
 187
 188         Splay tree implementation fork.
 189         * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
 190         Use hard-coded comparison function for uintptr_t.  Remove key/value
 191         deallocation logic.  Cache last splayed key for consecutive lookups.
 192         * Makefile.am, Makefile.in: Use them, don't link to them.
 193         * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
 194         (__mf_find_objects2): Flip successor/predecessor search sequence.
 195         * ansidecl.h, libiberty.h: Removed dummy files.
 196
 197 2004-06-29  Nick Clifton  <nickc@redhat.com>
 198
 199         * configure.ac (AC_CHECK_HEADERS): Add dirent.h
 200         * configure: Regenerate.
 201         * mf-hooks2.c: Surround uses of dirent.h with #ifdef
 202         HAVE_DIRENT_H.
 203         Remove spurious inclusion of <strings.h>.
 204
 205 2004-06-29  Nick Clifton  <nickc@redhat.com>
 206
 207         * mf-runtime.c (pthread_join): Only apply the weak pragma if the
 208         function actually exists.
 209
 210 2004-06-25  Frank Ch. Eigler  <fche@redhat.com>
 211
 212         * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
 213         * config.h.in: Regenerated.
 214
 215 2004-06-24  Frank Ch. Eigler  <fche@redhat.com>
 216
 217         Adopt splay trees for object database.
 218         * Makefile.am: Copy splay-tree.* from libiberty.
 219         * Makefile.in, testsuite/Makefile.in: Regenerated.
 220         * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
 221         * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
 222         * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
 223         * mf-runtime.c: Rewrite code dealing with object database to use
 224         libiberty splay trees.  Remove tree liveness aging option.
 225         * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
 226
 227 2004-06-15  Paolo Bonzini  <bonzini@gnu.org>
 228
 229         * configure.ac: New name of configure.in.  Update
 230         AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
 231         AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
 232         Autoconf 2.5x and Automake 1.7 or later.
 233         * configure.in: Remove.
 234         * configure: Regenerate.
 235
 236         * Makefile.am: Remove useless multilib rules.
 237         * Makefile.in: Regenerate.
 238
 239 2004-06-15  Paolo Bonzini  <bonzini@gnu.org>
 240
 241         * .cvsignore: New file.
 242
 243 2004-06-10  Stephen Crowley  <stephen.crowley@sbcglobal.net>
 244
 245         PR libmudflap/13505
 246         * mf-hooks2.c (semctl): Add cygwin porting hack.
 247
 248 2004-06-09  Frank Ch. Eigler  <fche@redhat.com>
 249
 250         ctype support.
 251         * configure.in: Look for ctype header and glibc implementation.
 252         * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
 253         array hooks for glibc 2.3.
 254         * mf-runtime.h.in: Wrap them.
 255         * mf-runtime.c (__mf_init): Leave marker regarding other ctype
 256         implementations.
 257         * testsuite/libmudflap.c/pass47-frag.c: New test.
 258         * configure, config.h.in: Regenerated.
 259
 260 2004-06-04  Frank Ch. Eigler  <fche@redhat.com>
 261
 262         Portability improvements, e.g., libmudflap/15293.
 263         * configure.in: Look for glibc extension functions.  Look for
 264         support of -f{function,data}-sections.  Look for more headers.
 265         Create testsuite/mfconfig.exp.  Correct more "test x.." thinkos.
 266         * Makefile.am: Use $(SECTION_FLAGS).  Collapse piecemeal-compiled
 267         mf-hooks* into usual single object per source.
 268         * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
 269         * mf-hooks2.c: #include a bunch more system headers.  Define strnlen
 270         if system doesn't provide one.
 271         * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
 272         (pthread_create): Use it to properly GC dead thread stacks.
 273         * mf-runtime.c (__mf_violation): Correct snprintf type warning.
 274         * testsuite/Makefile.am: Stop generating site.exp.
 275         * testsuite/mfconfig.exp.in: New file.
 276         * testsuite/config/default.exp: Load new mfconfig.exp.
 277         * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
 278         (prune_gcc_output): Add glibc static linking warnings.
 279         * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
 280         * testsuite/libmudflap.c/pass46-frag.c: Ditto.
 281         * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
 282         Regenerated with autoconf 2.57 and automake 1.7.
 283
 284 2004-06-04  Per Bothner  <per@bothner.com>
 285
 286         * configure.in (LIBMUDFLAPTH):  Fix thinko.
 287
 288         * configure.in:  Check for more headers.
 289         * mf-hooks2.c:  Conditionalize on HAVE_SYS_SOCKET_H etc.
 290
 291         * mf-runtime.c:  In two places conditionalize on SIUSR1 rather than
 292         HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
 293
 294 2004-06-01  Andreas Jaeger  <aj@suse.de>
 295
 296         * configure.in: Handle multilibs, support
 297         --enable-version-specific-runtime-libs.
 298         * Makefile.am (lib_LTLIBRARIES): Rename to ...
 299         (toolexeclib_LTLIBRARIES): this for multilib support.
 300         * Makefile.in: Regenerated.
 301         * configure: Regenerated.
 302         * aclocal.m4: Regenerated.
 303         * config.h.in: Regenerated.
 304         * testsuite/Makefile.in: Regenerated.
 305
 306 2004-06-01  Andreas Jaeger  <aj@suse.de>
 307
 308         * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
 309         multilibs, using multilib directory instead of hardcoded path.
 310         Set LD_RUN_PATH.
 311
 312 2004-05-21  Frank Ch. Eigler  <fche@redhat.com>
 313
 314         * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
 315         * Makefile.in: Ditto.
 316
 317 2004-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
 318
 319         * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
 320         * aclocal.m4, configure: Rebuilt.
 321
 322 2004-05-17  Frank Ch. Eigler  <fche@redhat.com>
 323
 324         * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
 325         import some build settings from libstdc++-v3 testsuite_flags.
 326         * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
 327         changes to pass test language.
 328
 329         * mf-runtime.c (__mfu_check): Poison the cache with antidote for
 330         quicker mode-nop handling.
 331
 332 2004-03-25  Frank Ch. Eigler  <fche@redhat.com>
 333
 334         * mf-impl.h: Added libgcc license header.
 335
 336 2004-03-20  Frank Ch. Eigler  <fche@redhat.com>
 337
 338         * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
 339         Added libgcc license header.
 340         * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
 341         (pthread_create): Simplify stack allocation syntax.
 342
 343 2004-03-08  Loren J. Rittle  <ljrittle@acm.org>
 344
 345         * mf-hooks2.c: Support FreeBSD.
 346         (WRAP_gets): Avoid gets().
 347         * testsuite/libmudflap.c/pass-stratcliff.c: Do not
 348         test unimplemented mem/str calls on FreeBSD.
 349         * testsuite/libmudflap.c/pass21-frag.c: Do not include
 350         <alloca.h> on FreeBSD.
 351
 352 2004-01-30  Frank Ch. Eigler  <fche@redhat.com>
 353
 354         * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
 355         * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
 356         * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
 357         flags for static linking permutation.
 358         * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
 359         some pthreads code that croaks on linux glibc tls.
 360
 361 2004-01-27  Frank Ch. Eigler  <fche@redhat.com>
 362
 363         * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
 364
 365 2004-01-15  Frank Ch. Eigler  <fche@redhat.com>
 366
 367         * testsuite/libmudflap.c/pass44-frag.c: New test.
 368
 369 2004-01-12  Frank Ch. Eigler  <fche@redhat.com>
 370
 371         * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
 372
 373 2004-01-08  Frank Ch. Eigler  <fche@redhat.com>
 374
 375         * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
 376
 377 2003-12-11  Frank Ch. Eigler  <fche@redhat.com>
 378
 379         * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
 380
 381 2003-12-08  Andrew Pinski  <pinskia@physics.uc.edu>
 382
 383         PR libmudflap/12670
 384         * configure.in: Add check for see if
 385         socklen_t typedef is in sys/socket.h.
 386         * mf-hooks1.c: Add define if socklen_t
 387         is not typedef.
 388         * mf-hooks2.c: Likewise.
 389         * mf-hooks3.c: Likewise.
 390         * config.h.in: Regen.
 391         * configure: Regen.
 392
 393 2003-12-08  Frank Ch. Eigler  <fche@redhat.com>
 394
 395         * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
 396         * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
 397         optimizations.
 398         * testsuite/libmudflap.c/pass25-frag.c: Ditto.
 399         * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
 400         (unoptimized) allocation of stack space.
 401
 402 2003-12-07  Richard Henderson  <rth@redhat.com>
 403
 404         * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
 405         * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
 406
 407 2003-12-06  Andrew Pinski <apinski@apple.com>
 408
 409         partial PR libmudflap/12670
 410         * mf-hooks1.c: Respect Darwin checks.  Conditionalize POSIX_SOURCE.
 411         * mf-hooks2.c: Likewise.
 412         * mf-hooks3.c: Likewise.
 413
 414 2003-11-19  Frank Ch. Eigler  <fche@redhat.com>
 415
 416         libstdc++/11696
 417         * mf-runtime.h.in: Switch to #pragma redefine_extname for
 418         symbols interposed at compile time.
 419         * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
 420
 421         libmudflap/12939
 422         * mf-hooks2.c (semctl): Tolerate FreeBSD.
 423
 424         * configure.in: Reorganize check for <pthread.h>.
 425         * configure: Regenerated.
 426
 427 2003-11-04  David Edelsohn  <edelsohn@gnu.org>
 428
 429         * mf-runtime.c (_ALL_SOURCE): Define for AIX.
 430         (_LARGE_FILE_API): Define for AIX.
 431         * mf-hooks[123]: Same.
 432         (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
 433
 434 2003-10-21  David Edelsohn  <edelsohn@gnu.org>
 435
 436         * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
 437
 438 2003-07-29  Frank Ch. Eigler  <fche@redhat.com>
 439
 440         2003-07-29  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
 441
 442         * configure.in: Update check for union semun.
 443
 444 2003-07-29  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
 445
 446         PR other/11673
 447         * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
 448
 449 2003-07-29  Frank Ch. Eigler  <fche@redhat.com>
 450
 451         PR other/11673
 452         * configure.in: Add checks for 64-bit LFS functions, struct semun
 453         definition, for BSD compatibility.
 454         * mf-hooks1.c: Respect BSD checks.  Conditionalize POSIX_SOURCE.
 455         * mf-hooks2.c: Ditto.  Include <strings.h> for bcmp* decls.
 456         * mf-hooks3.c: Ditto.
 457         (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
 458         mmap flag.
 459         * configure, config.h.in: Regenerated.
 460
 461 2003-07-23  Frank Ch. Eigler  <fche@redhat.com>
 462
 463         Multithreading fixes:
 464         * mf-runtime.c (__mf_object): Store allocating/deallocating
 465         thread id.
 466         (options): Support new "-thread-stack" option.
 467         Rename "-heur-argv-environ" option to "-heur-stdlib".
 468         Disable "-lc-mask" and "-lc-shift" options.
 469         (__mf_dynamic): Add function pointers for pthread_join/_exit.
 470         (__assert_fail): New self-contained function for glibc.
 471         * mf-hooks3.c: Essentially rewritten, particularly related to
 472         use of __mf_pthread_info array.
 473         (pthread_join, _exit): New hook functions.
 474         * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
 475         * testsuite/libmudflap.cth/pass40-frag.c: New test.
 476
 477         Warning cleanups:
 478         * mf-heuristics.c: Add type casts for tracing, sub calls.
 479         * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
 480         Update all callers to declare explicit result holder.
 481         (END_PROTECT): Removed.
 482         * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
 483
 484 2003-07-15  Diego Novillo  <dnovillo@redhat.com>
 485
 486         * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
 487         * testsuite/libmudflap.c/fail15-frag.c: Likewise.
 488         * testsuite/libmudflap.c/fail13-frag.c: Likewise.
 489
 490 2003-07-04  Frank Ch. Eigler  <fche@redhat.com>
 491
 492         * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
 493         * mf-hooks: Removed.
 494         * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
 495         Move these macros from old mf-hooks.c here.
 496         * Makefile.am: Adapt to split-up hook sources for faster builds.
 497         * Makefile.in: Regenerated.
 498
 499         * mf-heuristics.c: Remove #if-0 block.
 500
 501         * mf-impl.h (__mf_state): Reorganize declaration and implementation.
 502         (__mf_starting_p): New state only for use while dlsym bootstrapping.
 503         (CALL_REAL, __mf_init): Corresponding changes.
 504         (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix.  Update
 505         all callers to remove redundant "mf:" prefix.
 506         * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
 507         * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
 508         (__mf_pthread_info): Become a hash table.
 509
 510         * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
 511         "dg-repetitions" directives to control test case execution.
 512         * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
 513         options.
 514         * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
 515
 516 2003-06-25  Frank Ch. Eigler  <fche@redhat.com>
 517
 518         * mf-hooks.c (alloca): Separate into stub.
 519         (__mf_wrap_alloca_indirect): New function.  Use CALL_REAL
 520         malloc/free for alloca blocks.
 521         (pthread_create): Tolerate failing pthread_attr_get* calls.
 522         * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
 523         * mf-impl.h (CALL_WRAP): Remove macro.
 524         * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
 525         * testsuite/libmudflap.c/pass23-frag.c: Include more struct
 526         padding for ia64 BIT_FIELD_REF constructs.
 527
 528 2003-06-19  Frank Ch. Eigler  <fche@redhat.com>
 529
 530         * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
 531         (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
 532         libmudflap object type.
 533         * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
 534         crashes on unregistering STATIC objects.
 535
 536 2003-06-17  Frank Ch. Eigler  <fche@redhat.com>
 537
 538         Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
 539         * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
 540         (time, strerror, fopen, fopen64, fclose, fread): New hooks.
 541         (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
 542         (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
 543         (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
 544         (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
 545         (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
 546         (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
 547         (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
 548         (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
 549         (accept, bind, connect, gethostname, sethostname): New hooks.
 550         (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
 551         (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
 552         (semop, semctl, shmctl, shmat, shmdt): New hooks.
 553         * mf-runtime.h.in: Corresponding changes.
 554         * mf-runtime.c (__mf_ini): Register stdio objects.  Use STATIC type.
 555         (opts) Rename heur_argv_environ to heur_std_data.
 556         (__mf_wrap_main): Use STATIC type for argv/environ strings.
 557         * Makefile.am: Corresponding changes.
 558         * Makefile.in: Regenerated.
 559
 560 2003-06-11  Frank Ch. Eigler  <fche@redhat.com>
 561
 562         * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
 563         heuristic for threaded case, and for non-x86-linux targets.
 564         * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
 565         for use during pre-main() program startup.
 566         (__mf_0fn_*): Make these functions non-static.
 567         * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
 568         functions.
 569         * mf-runtime.c (__mf_state): Set initial state to "starting".
 570         (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
 571         (__wrap_main): New function to register argv[] and environ[] strings.
 572         (__mf_ini): Call it.
 573         (*): In all trace functions, use "%p" as formatter for uintptr_t.
 574
 575         * testsuite/libmudflap.c/pass38-frag.c: New test case.
 576         * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
 577
 578         * acinclude.m4: Add comments with aoliva's concerns about x86_64
 579         pass_all.
 580         * aclocal.m4, configure: Regenerated.
 581
 582 2003-06-04  Frank Ch. Eigler  <fche@redhat.com>
 583
 584         * acinclude.m4: Correct typo in AC_MSG_CHECKING.
 585         * aclocal.m4, configure: Regenerated.
 586
 587 2003-06-03  Frank Ch. Eigler  <fche@redhat.com>
 588
 589         * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
 590         for x86_64 target.  Disable caching for this value.
 591         * aclocal.m4, configure: Regenerated.
 592
 593 2003-06-02  Frank Ch. Eigler  <fche@redhat.com>
 594
 595         * testsuite/libmudflap.c/pass38-frag.c: Deleted.  -fwritable-strings
 596         is about to become deprecated, and its present handling bugs are
 597         unworthy of fixing.
 598
 599 2003-05-30  Frank Ch. Eigler  <fche@redhat.com>
 600
 601         * testsuite/libmudflap.c/pass38-frag.c: New test for
 602         -fwritable-strings.
 603
 604 2003-05-23  Frank Ch. Eigler  <fche@redhat.com>
 605
 606         * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
 607         __mf_report, asserting reentrant calling context.
 608
 609 2003-05-23  Frank Ch. Eigler  <fche@redhat.com>
 610
 611         * mf-hooks.c (realloc): Correct reentrancy logic.
 612         * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
 613
 614 2003-05-20  Frank Ch. Eigler  <fche@redhat.com>
 615
 616         * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
 617         PTHREAD_THREADS_MAX.  Update users.
 618         * mf-runtime.c (__mf_usage): Print [active] instead of [default]
 619         for active options.
 620         * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
 621         with libmudflapth presence indicator.
 622         * testsuite/Makefile.in: Regenerated.
 623
 624 2003-05-16  Frank Ch. Eigler  <fche@redhat.com>
 625
 626         * Makefile.am (AM_CFLAGS): Remove "-ansi".
 627         * configure.in: Remove silly no-pthreads => no-shared logic.
 628         * Makefile.in, configure: Regenerated.
 629         * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
 630         * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
 631         code.  Count reentrancy events.
 632         (all hook functions): Don't directly manipulate __mf_state variable.
 633         Add TRACE calls to hook functions without them.
 634         * mf-impl.h (LOCKTH): Try to count lock contention events.
 635         (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
 636         * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
 637         Reorganize reentrancy code.
 638         (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
 639         identify reentrancy with mutex holding times.
 640         (internal __mfu_ entry points): Remove internal reentrancy code.
 641         (__mf_init): Use ordinary locked calls.
 642         (__mfu_report): Print the two new counts.
 643         * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
 644         * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
 645         * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
 646         * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
 647         option defaults.
 648
 649 2003-05-09  Frank Ch. Eigler  <fche@redhat.com>
 650
 651         * configure.in: Add pthread support, plus glibc and porting hacks.
 652         * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
 653         from objects built into ./pth/.
 654         * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
 655         functions for internal entry points.  Update callers to pick
 656         locked vs. unlocked variants.
 657         (__mf_resolve_single_dynamic): Extend to support symbol versioning
 658         info coming in from a static data structure.
 659         (*): Reorder miscellaneous declarations to group data vs functions.
 660         (__mf_set_default_options): Simplify.
 661         (__mf_usage): Mention threading status of host executable.
 662         * mf-impl.h: Move max/min decls here.  Reorganize __mf_dynamic
 663         decls to match above.
 664         (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
 665         * mf-heuristics.c: Choose between locked/unlocked calls.  Add
 666         some lock/unlock markers.  Remove some unused code.
 667         * mf-hooks: Ditto.
 668         (pthread_create): New hook function.
 669         (__mf_pthread_cleanup, _spawner): New helper functions.
 670         * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
 671
 672 2003-05-02  Frank Ch. Eigler  <fche@redhat.com>
 673
 674         * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
 675
 676 2002-04-28  Frank Ch. Eigler  <fche@redhat.com>
 677
 678         * Makefile.am (HOOKOBJS): Add *time related hooks.
 679         * configure.in: Look for pthreads.h header.
 680         * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
 681         * mf-runtime.c: Begin sketching some pthreads support.
 682         (__mf_usage): Check for -lpthread presence.
 683         (__mf_unregister): Confirm matching unregistration base.
 684         (__mf_find_objects_rec): Reduce unnecessary recursion.
 685         * mf-runtime.h.in: Add "nothrow" attribute to functions.  Add
 686         #defines for new hook functions.
 687         * mf-impl.h: Corresponding changes.
 688         * config.h.in, configure, Makefile.in: Regenerated.
 689
 690 2002-04-27  Diego Novillo  <dnovillo@redhat.com>
 691
 692         * testsuite/libmudflap.c/fail1-frag.c: Add volatile
 693         modifiers to prevent being optimized away.
 694         * testsuite/libmudflap.c/fail10-frag.c: Likewise.
 695         * testsuite/libmudflap.c/fail13-frag.c: Likewise.
 696         * testsuite/libmudflap.c/fail14-frag.c: Likewise.
 697         * testsuite/libmudflap.c/fail15-frag.c: Likewise.
 698         * testsuite/libmudflap.c/fail2-frag.c: Likewise.
 699         * testsuite/libmudflap.c/fail20-frag.c: Likewise.
 700         * testsuite/libmudflap.c/fail3-frag.c: Likewise.
 701
 702 2003-04-15  Frank Ch. Eigler  <fche@redhat.com>
 703
 704         * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
 705         * configure.in: Look for uintptr_t and -ldl on target.
 706         * mf-runtime.h.in: Adjust uintptr_t declaration logic.
 707         * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
 708         * testsuite/Makefile.in: Regenerated.
 709         * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
 710         for better C compliance.
 711
 712 2003-04-15  Frank Ch. Eigler  <fche@redhat.com>
 713
 714         * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
 715         prevention code.
 716         * mf-runtime.c (__mf_set_default_options): Turn off
 717         check-initialization.
 718         (__mf_describe_object): Shorten description.
 719         * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
 720
 721 2003-04-07  Frank Ch. Eigler  <fche@redhat.com>
 722
 723         * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
 724
 725 2003-04-02  Frank Ch. Eigler  <fche@redhat.com>
 726
 727         * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
 728         calls specially.
 729         (__mf_0fn_malloc ... _munmap): New dummy backup calls.
 730         * mf-impl.h (CALL_BACKUP): New macros.
 731         * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
 732
 733 2003-03-31  Frank Ch. Eigler  <fche@redhat.com>
 734
 735         * Makefile.am (AM_CFLAGS): Remove optimization flags.
 736         (HOOKOBJS): Remove dlopen hook.
 737         (libmudflap_la_LIBADD): Add -ldl.
 738         * mf-hooks.c (dlopen): Remove hook.
 739         * mf-impl.h (__mf_dynamic): Ditto.
 740         * mf-runtime.c (__mf_resolve_dynamics): Ditto.
 741         * Makefile.in: Regenerated.
 742
 743 2003-03-28  Frank Ch. Eigler  <fche@redhat.com>
 744
 745         * configure.in: Check for target gettimeofday, signal, some headers.
 746         * mf-impl.h (__mf_opts): Add new "sigusr1_report" field.  Comment
 747         out inop multi_threaded field.
 748         * mf-runtime.c (options): Handle new "-sigusr1-report" option.
 749         (__mf_set_options): Correct handling of "-help".
 750         (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
 751         (__mf_check, __mf_register, __mf_unregister): Call it.
 752         (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
 753         (__mf_report_leaks): Make callable
 754         (__mf_tree_analyze): Traverse in-order.  Accumulate address bit
 755         distribution statistics.
 756         (__mf_adapt_cache): Rewrite shift guessing logic based on address
 757         bit distributions.
 758         * config.h.in, configure: Regenerated.
 759         * testsuite/libmudflap.c/fail27-frag.c: New test.
 760         * testsuite/libmudflap.c/pass36-frag.c: New test.
 761
 762 2003-03-11  Frank Ch. Eigler  <fche@redhat.com>
 763
 764         * mf-runtime.h.in: Tweak.
 765         * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
 766         Don't use intermediate files nor AC_OUTPUT-time postprocessing.
 767         * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
 768
 769 2003-03-10  Frank Ch. Eigler  <fche@redhat.com>
 770
 771         * configure.in: Tweak generation of mf-runtime.h some more.  It
 772         needs to work from both config.status and configure.
 773         * configure: Regenerated.
 774
 775 2003-03-10  Frank Ch. Eigler  <fche@redhat.com>
 776
 777         * Makefile.am: Reorganize hook file building.  Add auto dependencies.
 778         * configure.in: Tweak generation of mf-runtime.h.
 779         * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
 780         * mf-hooks.c (*): Adapt to initialized-heap object type.
 781         * mf-impl.h: Tweak cemetary boundaries.
 782         * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
 783         type.
 784         (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
 785         (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
 786         * testsuite/lib/libmudflap.exp (includes): Include build tree.
 787         * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
 788         checking.
 789         * testsuite/.../fail{25,26}-frag.c: New tests.
 790         * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
 791         * Makefile.in, configure: Regenerated.
 792
 793 2003-03-05  Frank Ch. Eigler  <fche@redhat.com>
 794
 795         * mf-runtime.c (__mf_set_default_options): Turn on initialization
 796         checking by default.
 797         (__mf_insert_new_object): As a temporary hack, assume that new
 798         objects registered on the stack start out initialized.
 799         * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
 800         heap objects by hand.
 801
 802 2003-03-05  Frank Ch. Eigler  <fche@redhat.com>
 803
 804         Switch to macro-style hooks for str*/mem*/b* functions.
 805         * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
 806         (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
 807         * mf-runtime.c: #include config.h to enable glibc backtraces again.
 808         (__mf_set_default_options): Turn off heur_proc_map.
 809         (*): Adapt to to macro-style hook functions.
 810         (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
 811         (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
 812         (__mf_violation): Handle __MF_VIOL_WATCH.
 813         * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
 814         (__mf_dynamic): Removed mem*/str*/b* functions.
 815         (TRACE, VERBOSE_TRACE): Add reentrancy locking.
 816         (WRAPPER2): New macro for macro-style hooks.
 817         * mf-hooks.c: Convert mem*/str*/b* functions to simpler
 818         macro-style hooks.
 819         (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
 820         * mf-heuristics.c: Adapt to macro-style hook functions.
 821         Correct some comments.
 822         * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
 823         output pattern tests.
 824         * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
 825         * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
 826
 827 2003-02-28  Frank Ch. Eigler  <fche@redhat.com>
 828
 829         * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
 830         for global array registration.
 831         * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
 832         * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
 833
 834 2003-02-27  Frank Ch. Eigler  <fche@redhat.com>
 835
 836         * Makefile.am: Add gross make bug workarounds.  Tweaked
 837         SUBDIRS and AM_CFLAGS.
 838         * Makefile.in: Regenerated.
 839
 840 2003-02-26  Frank Ch. Eigler  <fche@redhat.com>
 841
 842         Switch to dejagnu.
 843         * configure.in (AC_PROG_CXX): Don't look for C++ any more.
 844         * Makefile.am (TESTS): Remove simple automake testing.
 845         * configure, Makefile.in: Regenerated.
 846         (SUBDIRS): Include new testsuite/ directory.
 847         * tests/*: Removed all files; moved bulk under:
 848         * testsuite/*: New subdirectory tree.
 849         * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
 850         * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
 851         * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
 852         * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
 853         * testsuite/config/default.exp: New file.
 854         * testsuite/Makefile.am, Makefile.in: New files.
 855
 856 2003-01-29  Frank Ch. Eigler  <fche@redhat.com>
 857
 858         * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
 859         (TESTS): Add fail22 and pass29 tests.
 860         * mf-runtime.h.in: Change API to take void*/size_t region parameters.
 861         Add new access-type parameter for __mf_check.  Move __MF_VIOL* out.
 862         * mf-impl.h: Corresponding changes.  Update CLAMP* macros for void*
 863         values.  Move __MF_VIOL* here.
 864         * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
 865         (check_initialization): New field in __mf_opts.  Default off.
 866         (read_count,write_count): New fields in __mf_object.
 867         (__mf_check): Implement basic initialization checking.
 868         (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
 869         (__mf_describe_object): Print new fields.
 870         (__mf_violation): Identify check/read vs. check/write in messages.
 871         * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
 872         "-check-initialized" mudflap option.
 873         * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
 874         * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
 875         Drop __FILE__/__LINE__ hack.  Update callers.
 876         (*): Adapt to new mf-runtime.h API.
 877         * Makefile.in: regenerated.
 878
 879 2003-01-24  Frank Ch. Eigler  <fche@redhat.com>
 880
 881         * configure.in: Build mf-runtime.h a more proper way.
 882         * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
 883         * mf-runtime.c (verbose_violations): Turn on by default.
 884         * mf-runtime.h.in: Remove some miscellaneous stuff ...
 885         * mf-impl.h: ... and move it here.
 886         * configure: Regenerated.
 887
 888 2003-01-22  Frank Ch. Eigler  <fche@redhat.com>
 889
 890         * configure.in: Look for C++ compiler.
 891         * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
 892         fixed type warnings when built with C++.
 893         * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
 894         * Makefile.am (TESTS): Run them.
 895         (*) Add new rules for building and running C++ tests.
 896         (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
 897         * mf-runtime.h.in: Protect with extern "C".
 898         * Makefile, configure: Regenerated.
 899
 900 2003-01-06  Frank Ch. Eigler  <fche@redhat.com>
 901
 902         Portability improvements.
 903         * configure.in: Look for glibc backtrace headers/functions.
 904         * mf-hooks.c: Don't include <execinfo.h> any more.
 905         * mf-runtime.c (__mf_set_options): Call more stdlib functions
 906         via CALL_REAL.
 907         (__mf_backtrace): Provide alternate baby implementation in
 908         absence of glibc.
 909         * test/mf-driver.c: Portability tweaks.
 910         * acinclude.m4: New file, containing top level libtool.m4.
 911         * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
 912
 913 2002-12-19  Frank Ch. Eigler  <fche@redhat.com>
 914
 915         * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
 916
 917 2002-11-08  Frank Ch. Eigler  <fche@redhat.com>
 918
 919         * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
 920         options.
 921         (__mf_unregister): Implement stack/heap object wiping.
 922         (__mf_set_options): Renamed from __mf_process_opts.
 923         (__mf_uncache_object): Change arg type, correct callers.
 924         * mf-impl.h: Corresponding changes.
 925         * mf-hooks.c (realloc): Save/restore heap-wiping flag.
 926         * mf-runtime.h.in (__mf_set_options): Extend public API.
 927         * test/pass26-frag.c: New test for stack wiping.
 928         * Makefile.am (TESTS): Run it.
 929         * Makefile.in: Regenerated.
 930
 931 2002-11-07  Frank Ch. Eigler  <fche@redhat.com>
 932
 933         * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
 934         * mf-runtime.c (__mf_object_t): Add watching_p field.
 935         (__mf_watch_or_not): New function to implement
 936         object watch flagging.
 937         (__mf_watch, __mf_unwatch): New wrappers for above.
 938         (__mf_check, __mf_describe_object): Handle objects with watching_p.
 939         (__mf_count_violation): Enlarge array.
 940         (__mf_uncache_object): Renamed from __mf_remove_old_object.  Don't
 941         unlink object.  Clear cache properly.
 942         (__mf_unregister): Unlink object explicitly before uncaching.
 943         * test/fail21-frag.c, pass25-frag.c: New tests.
 944         * Makefile.in, aclocal.m4: Regenerated.
 945
 946 2002-11-05  Frank Ch. Eigler  <fche@redhat.com>
 947
 948         * test/fail20-frag.c: New test for NULL pointer dereferencing.
 949         * Makefile.am (TESTS): Add it.
 950         * test/pass-stratcliff.c: Add decls of stpcpy.
 951         * configure.in: Test for <stdint.h>.  Generate mf-runtime.h in
 952         build tree from config.h and new file mf-runtime.h.in.
 953         * mf-runtime.h.in: Renamed from mf-runtime.h.  Tweak uintptr_t decl.
 954         * Makefile.in, configure, config.h.in: Regenerated.
 955         * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
 956         * mf-runtime.c (options, __mf_set_default_options): Support new
 957         default "abbreviate" option.
 958         (__mf_object.description_epoch): New field.
 959         (__mf_describe_object): Conditionally abbreviate objects already
 960         displayed in current epoch.  Accept NULL input to increment epoch.
 961         (__mf_fini, __mf_ini): Reset description epoch.
 962         (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
 963         that NULL pointer slot in lookup cache is invalidated.  Register a
 964         NOACCESS region around NULL.
 965         * mf-impl.h: Corresponding changes.
 966
 967 2002-10-16  Frank Ch. Eigler  <fche@redhat.com>
 968
 969         * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
 970         * Makefile.am: Run them.  Install mf-runtime.h.
 971         * Makefile.in: Regenerated.
 972         * mf-hooks.c: Add some markers for more missing functions.
 973         * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
 974         statistic to tune tune cache size (mask).
 975
 976 2002-10-01  Frank Ch. Eigler  <fche@redhat.com>
 977
 978         * test/pass23-frag.c: New test for bit_field_ref expressions.
 979         * Makefile.am, Makefile.in: Add new test.
 980         * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
 981         (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
 982         * mf-runtime.c (__mf_init): Register errno global.
 983         (__mf_find_object): Removed function.
 984         (__mf_check): Rewrite logic to support accesses across some
 985         contiguous but distinctly registered objects.
 986         (__mf_remove_old_object): Tolerate cache entries that span
 987         contiguous objects.
 988
 989 2002-09-30  Frank Ch. Eigler  <fche@redhat.com>
 990
 991         * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
 992         * Makefile.am, Makefile.in: Run new tests.
 993         * mf-hooks.c (alloca): Correct stack direction logic.
 994
 995 2002-09-26  Frank Ch. Eigler  <fche@redhat.com>
 996
 997         * mf-impl.h (adapt_cache): New option.
 998         * mf-runtime.c (__mf_set_default_options): Set its default value.
 999         Tweak the tree_aging parameter down.
1000         (__mf_check): Maintain separate counter for cache-adaptation.
1001         (__mf_tree_analyze): New function to collect object tree stats.
1002         (__mf_adapt_cache): New function to automate cache parameters.
1003
1004 2002-09-24  Frank Ch. Eigler  <fche@redhat.com>
1005
1006         * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1007         hypothetical #if-0'd argv/envp region registration.
1008         * mf-runtime.c (__mf_init): Add kludged form of above.
1009         (*) Add "heur_argv_environ" flag, default on, to govern this.
1010         * mf-impl.h: Corresponding changes.
1011
1012 2002-09-20  Frank Ch. Eigler  <fche@redhat.com>
1013
1014         * test/fail18-frag.c: New test file for NOACCESS regions.
1015         * Makefile.am (TESTS): Add new test.
1016         * Makefile.in: Regenerated.
1017
1018         * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1019         * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1020         (optimize_object_tree): Remove unused mudflap_option.
1021         * mf-runtime.h (__MF_TYPE_NOACCESS): New region type.  Add printing
1022         support throughout.  Use .._MAX_CEM for cemetary upper bound.
1023         * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1024         regions.
1025         (__mf_object): Add new liveness field for use by tree aging.
1026         (__mf_check): Trigger tree aging when needed.
1027         (__mf_age_tree): New function to decay liveness field.
1028         (__mf_find_objects_rec): Use liveness field to rotate tree.
1029         (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1030         (__mf_unregister): Ditto.
1031         (__mf_register): Tweak duplicate-static message.
1032         (__mf_violation: Tweak nearby-object counter printing.
1033
1034 2002-09-16  Frank Ch. Eigler  <fche@redhat.com>
1035
1036         * test/pass20-frag.c: New test file.
1037         * Makefile.am (TESTS): Reorganize.  Add pass20 test.
1038         * Makefile.in: Regenerated.
1039
1040         * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros.  Update callers.
1041         * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1042         * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1043         entries to avoid repeat registration.
1044         * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1045         (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1046
1047 2002-09-09  Frank Ch. Eigler  <fche@redhat.com>
1048
1049         * Makefile.am: Create test sources with #include, not cat>>.
1050         * Makefile.in: Regenerated.
1051         * test/buildtest.sh: Removed.
1052         * test/driver.c (abort_handler, main): Be quiet.
1053
1054 2002-09-06  Frank Ch. Eigler  <fche@redhat.com>
1055
1056         * test/pass18-frag.c, pass19-frag.c: New tests.
1057         * Makefile.am (check): Run them.  Rebuild test programs each time.
1058         * Makefile.in: Regenerated.
1059
1060 2002-09-06  Frank Ch. Eigler  <fche@redhat.com>
1061
1062         * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1063         overlapping object search.
1064         (__mf_violation): Likewise for nearby objects.
1065         Improve nearby-object listing.
1066
1067         cleanup:
1068         * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1069         * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1070
1071 2002-09-03  Frank Ch. Eigler  <fche@redhat.com>
1072
1073         alloca support:
1074         * Makefile.am (AM_CFLAGS): New definition of needed settings.
1075         (HOOKOBJS): Add alloca-hook.o.
1076         * mf-hooks.c (alloca): New function to implement alloca in libiberty
1077         style.
1078         * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1079         (__mf_backtrace): Reimplement without using alloca.
1080         * Makefile.in: Regenerated.
1081
1082         cleanup:
1083         * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1084         Correct signedness bugs in length-tracking variables.
1085         * mf-impl.h: Make options unsigned.
1086         (CALL_WRAP): New macro to parallel CALL_REAL().
1087         (DECLARE): Remove erroneous ";" at end.
1088         * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1089         formatting specs with %08lx.  Correct several compiler warnings.
1090
1091 2002-08-28  Frank Ch. Eigler  <fche@redhat.com>
1092
1093         * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1094
1095 2002-08-27  Frank Ch. Eigler  <fche@redhat.com>
1096
1097         libmudflap hook breakup:
1098         * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1099         for libgcc_s.
1100         (TESTS): Make dependent on libmudflap.
1101         (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1102         compiled from segments of mf-hooks.c.
1103         * mf-hooks.c: Corresponding changes: wrap each function in
1104         #ifdef/#endif.
1105         * Makefile.in: Regenerated.
1106
1107         Heuristics reorganization:
1108         * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1109         Remove these functions.  Update callers.
1110         (__mf_heuristic_check): Incorporate all the various heuristics.
1111         Encode cacheability/retry judgement into trinary return value.
1112         Separate start-end logic into a separate fallback heuristic.  Only
1113         register relevant /proc/self/map segments.
1114         * mf-impl.h: Corresponding changes.
1115         * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1116         (__mf_init): Don't call __mf_init_heuristics.
1117
1118         Tracing cleanup:
1119         * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1120         "-verbose-trace" to emit all tracing messages other than those of
1121         basic public api.  Eliminate some duplicate/excessive messages.
1122         * mf-runtime.h: Corresponding changes.
1123
1124 2002-08-27  Graydon Hoare  <graydon@redhat.com>
1125
1126         * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1127         and __real when compiled with -DPIC.
1128         * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1129         * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1130         * Makefile.in: Regenerate.
1131
1132 2002-08-26  Graydon Hoare  <graydon@redhat.com>
1133
1134         * mf-impl.h: New file, private implementation header.
1135         * mf-runtime.h: Reorganize a bit.
1136         (CLAMPSZ): Fix arithmetic.
1137         (__MF_CACHE_MISS_P): Fix arithmetic.
1138         * mf-runtime.c: Reorganize a bit.
1139         (__mf_dynamic): New structure.
1140         (resolve_single_dynamic): New function.
1141         (__mf_resolve_dynamics): New function.
1142         (__mf_init): Initialize dynamic wrappers.
1143         * mf-hooks.c: Macro-ize __real calls.
1144         Clamp various bits of arithmetic.
1145         Add explicit __mf_check call contexts.
1146         * Makefile.am: Add dependencies on mf-impl.h
1147         * Makefile.in: Regenerate.
1148         * configure.in: Comment out shared override.
1149         * configure: Regenerate.
1150
1151 2002-08-22  Graydon Hoare  <graydon@redhat.com>
1152
1153         * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1154         (__mf_check): Re-inialize and check heuristics before violation.
1155         (__mf_register): Permit updating pure-guess regions.
1156         * mf-hooks.c (__wrap_free): Correct some free queue logic.
1157         (__wrap_dlopen): New wrapper function.
1158         (__wrap_mmap): New wrapper function.
1159         (__wrap_munmap): New wrapper function.
1160         * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1161         which are not stack addresses.
1162         (is_stack_address): New function.
1163         (__mf_init_heuristics): Save and restore state, always initialize with
1164         "starting" state.
1165
1166 2002-08-21  Frank Ch. Eigler  <fche@redhat.com>
1167
1168         * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1169         error.  Pass location string.
1170         (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1171         * mf-runtime.c (options): Add lc-mask, lc-shift options.
1172         (__mf_process_opts): Apply some sanity checking for lc-mask.
1173         (__mf_check, __mf_violation): Take new location-string argument.
1174         Update callers to pass NULL if necessary.
1175         (__mf_backtrace): New smart backtracer function.  Calls replace
1176         several ad-hoc blocks elsewhere.
1177         (__mf_describe_object): Remove bad reentrancy test.  Improve
1178         tracing message.
1179         * mf-runtime.h: Corresponding changes.  Public/private markup.
1180         (__MF_CACHE_MISS_P): New macro.
1181
1182 2002-08-20  Graydon Hoare  <graydon@redhat.com>
1183
1184         * mf-runtime.h: New option: stack_bound (heuristic).
1185         Move some macros out of implementation files.
1186         * mf-runtime.c: New option string: -stack-bound.
1187         Unify recursion protection with hooks.
1188         Add more logging.
1189         (__mf_check): Call __mf_heuristic_check.
1190         (__mf_process_opts): Fix "no-" processing.
1191         * mf-heuristics.c (__mf_heuristic_check): New function.
1192         * mf-hooks.c: Much off-by-one fixing, recursion protection.
1193
1194 2002-08-20  Frank Ch. Eigler  <fche@redhat.com>
1195
1196         Option parsing improvements, region splitting bug fixes:
1197         * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1198         * mf-runtime.h (heur_proc_map): New libmudflap option.
1199         * mf-runtime.c (__mf_set_default_options): Set it.
1200         (__mf_usage): Print default values/status.
1201         (__mf_process_opts): Support general "no-" option string prefix.
1202         (__mf_init): Print __mf_usage on unknown-option error.
1203         (__mf_register): Print trace message up front.
1204         Correct region splitting logic for case where a subregion disappears.
1205         Correct memory leak.
1206         (__mf_violation): Make even basic message conditional on option.
1207
1208         Build cleanup:
1209         * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1210         (clean-local): New target.
1211         (test/*x rules): Add -g CFLAGS.
1212         (CFLAGS): Add -freorder-blocks.
1213         (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1214         * Makefile.in: Regenerated.
1215         * Makefile, mf-config.h: Removed files.
1216
1217 2002-08-16  Graydon Hoare  <graydon@redhat.com>
1218
1219         * mf-runtime.c (__mf_insert_new_object): Factor out of
1220         __mf_register.
1221         (__mf_remove_old_object): Factor out of __mf_unregister.
1222         (__mf_register): Handle guessed regions, splitting
1223         guesses when new registrations arrive.
1224         (__mf_unregister): Do not unregister guesses.
1225         * mf-runtime.h: Move convenience macros around,
1226         declare new option fields. Add __MF_TYPE_GUESS.
1227         * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1228         (__wrap_free): Call __real_free for deferred frees.
1229         * Makefile.am: Add more tests, fix dependency.
1230         * Makefile.in: Regenerate.
1231         * test/pass[13..17]-frag.c: New testcases.
1232         * test/fail[13..17]-frag.c: New testcases.
1233
1234 2002-08-15  Graydon Hoare  <graydon@redhat.com>
1235
1236         * mf-heuristics.c: New file.
1237         * mf-runtime.c (options): Add -trace-calls option.
1238         (__mf_init): Call __mf_init_heuristics.
1239
1240 2002-08-14  Graydon Hoare  <graydon@redhat.com>
1241
1242         * Makefile.am (TESTS): Add testsuite support.
1243         * Makefile.in: Regenerate.
1244         * test/mf-driver.c: New file.
1245         * test/buildtest.sh: New file.
1246         * test/passNN-frag.c: New testcases.
1247         * test/failNN-frag.c: New testcases.
1248
1249 2002-08-14  Graydon Hoare  <graydon@redhat.com>
1250
1251         * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1252         verifying non-size-limited string extents.
1253
1254 2002-08-14  Frank Ch. Eigler  <fche@redhat.com>
1255
1256         * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1257         instead of plain str[n]len for internal checks.
1258         * mf-runtime.c (__mf_violation): Print optional stack traceback.
1259
1260 2002-08-14  Frank Ch. Eigler  <fche@redhat.com>
1261
1262         * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1263
1264 2002-08-13  Graydon Hoare  <graydon@redhat.com>
1265
1266         * mf-runtime.c: Rework configuration to operate on
1267         environment variable options rather than #defines
1268         (__mf_violation): Add simple fork-a-gdb violaiton mode.
1269         (__mf_init): Set static __mf_active_p flag on startup,
1270         to inhibit mudflap wrap-based checking during crt0.s.
1271         * mf-runtime.h: Declare options structure.
1272         * mf-hooks.c: New wrappings for mem*, b*, str*
1273         libc functions (temporarily #if 0-ed out).
1274
1275 2002-08-12  Frank Ch. Eigler  <fche@redhat.com>
1276
1277         * Makefile.am, configure.in: New files.
1278         * Makefile.in, Makefile, configure, config.h.in: New generated files.
1279         * stamp-h.in, aclocal.m4: Ditto.
1280
1281 2002-08-08  Frank Ch. Eigler  <fche@redhat.com>
1282
1283         * Makefile: New file.
1284         * mf-config.h: New file: runtime configuration.
1285         * mf-hooks.c: New file: interposed libc functions.
1286         * mf-runtime.c: New file: bulk of runtime.
1287         * mf-runtime.h: New file: public functions.