libmudflap/ChangeLog

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