libmudflap/ChangeLog

   1 2004-12-08  Kelley Cook  <kcook@gcc.gnu.org>
   2
   3         * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
   4         * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
   5
   6 2004-12-02  Richard Sandiford  <rsandifo@redhat.com>
   7
   8         * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
   9         * aclocal.m4: Include ../config/gcc-version.m4.
  10         * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
  11
  12 2004-11-29  Kelley Cook  <kcook@gcc.gnu.org>
  13
  14         * Makefile.am: Define ACLOCAL_AMFLAGS.
  15         * acinclude.m4: Remove.
  16         * stamp-h.in: Remove superfluous stamp file.
  17         * aclocal.m4, configure, Makefile.in: Regenerate.
  18         * testsuite/Makefile.in: Likewise.
  19
  20 2004-11-24  Kelley Cook  <kcook@gcc.gnu.org>
  21
  22         * Makefile.am: Revert previous.
  23         * acinclude.m4: Restore.
  24         * aclocal.m4, configure, Makefile.in: Regenerate.
  25         * testsuite/Makefile.in: Likewise.
  26
  27 2004-11-24  Kelley Cook  <kcook@gcc.gnu.org>
  28
  29         * Makefile.am: Define ACLOCAL_AMFLAGS.
  30         * acinclude.m4: Remove.
  31         * aclocal.m4, configure, Makefile.in: Regenerate.
  32         * testsuite/Makefile.in: Likewise.
  33
  34 2004-11-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
  35
  36         * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
  37
  38 2004-11-23  Kelley Cook  <kcook@gcc.gnu.org>
  39
  40         * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
  41         * testsuite/Makefile.in: Likewise.
  42
  43 2004-11-01  Andreas Schwab  <schwab@suse.de>
  44
  45         * configure.ac: (target_alias): Default to $host_alias, not
  46         $target.
  47         * configure: Regenerated.
  48
  49 2004-10-28  Frank Ch. Eigler  <fche@redhat.com>
  50
  51         * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
  52         * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
  53         message.
  54
  55 2004-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
  56
  57         PR other/18138
  58         * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
  59
  60 2004-10-12  Frank Ch. Eigler  <fche@redhat.com>
  61
  62         * configure.ac: Check for more headers, functions.
  63         * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
  64         tracking overridden FILE buffers.
  65         (fopen, setvbuf): New/revised hook functions for buffer overriding.
  66         (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
  67         (fflush): Accept given NULL stream (means "all streams").
  68         * mf-runtime.h.in:
  69         * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
  70         HEAP/GUESS objects.
  71         (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
  72         (__mf_adapt_cache): Use them all.
  73         * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
  74         * testsuite/libmudflap.c++/ctors.exp: Ditto.
  75         * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
  76         * configure, config.h.in: Regenerated.
  77
  78 2004-10-05  Frank Ch. Eigler  <fche@redhat.com>
  79
  80         * configure.ac: Checking for sys/socket.h once is enough.
  81         * configure: Regenerated.
  82
  83 2004-10-04  Frank Ch. Eigler  <fche@redhat.com>
  84
  85         * configure.ac: Look for more headers & functions.
  86         * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
  87         * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
  88         * mf-runtime.c (options): Clean up integer signedness warnings.
  89         (main): Add a declaration to fix a warning.
  90         * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
  91         * configure, config.h.in: Regenerated.
  92
  93 2004-10-02  Frank Ch. Eigler  <fche@redhat.com>
  94
  95         * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
  96         New tests for proper base/limit checking for aggregates.
  97
  98 2004-09-15  Joseph S. Myers  <jsm@polyomino.org.uk>
  99
 100         * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
 101
 102 2004-09-07  Frank Ch. Eigler  <fche@redhat.com>
 103
 104         * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
 105         * mf-hooks2.c (strerror): Unregister previous string returned by
 106         previous strerror.
 107         (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
 108         (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
 109         * mf-runtime.h.in: Add redefine_extname pragmas for them all.
 110         * mf-runtime.c (__mf_describe_object): Clarify object life status.
 111         * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
 112         New tests.
 113         * configure, config.h.in: Regenerated.
 114
 115 2004-08-03  Dale Johannesen  <dalej@apple.com>
 116
 117          * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
 118
 119 2004-08-03  Frank Ch. Eigler  <fche@redhat.com>
 120
 121         * mf-runtime.c (compare_uintptr_t): Remove function.  Inline
 122         simplified contents in all former callers.
 123
 124 2004-07-27  Ulrich Weigand  <weigand@informatik.uni-erlangen.de>
 125
 126         * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
 127         the statically linked case.
 128
 129 2004-07-27  Frank Ch. Eigler  <fche@redhat.com>
 130
 131         * splay-tree.[ch]: Remove.  Merge contents into ...
 132         * mf-runtime.c: ... here, renaming symbols and making all functions
 133         static.  Remove unused min/max functions.
 134         * Makefile.am: Forget about splay-tree.[ch].
 135         * Makefile.in, testsuite/Makefile.in: Regenerated.
 136
 137 2004-07-21  Frank Ch. Eigler  <fche@redhat.com>
 138
 139         * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
 140         (__mfu_usage): Include (C) 2004.
 141         * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
 142         here.  Include a comment explaining why.
 143
 144 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
 145
 146         * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
 147         * mf-runtime.c (options): Give them a name.
 148         (__mf_set_default_options): Set them.
 149         (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
 150         (__mf_violation): Warning cleanup.
 151         * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
 152         * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
 153
 154 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
 155
 156         g++/15861
 157         * mf-runtime.c (__mf_init): Make it non-static.  Tolerate
 158         repeated invocation.
 159
 160 2004-07-09  Frank Ch. Eigler  <fche@redhat.com>
 161
 162         Test case for g++/15861
 163         * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
 164         * testsuite/libmudflap.c++/ctors.exp: Driver.
 165         * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
 166         Look only for *frag* test cases.
 167
 168 2004-07-08  Frank Ch. Eigler  <fche@redhat.com>
 169
 170         ANSI C conversion, libmudflap specialization, recursion limiting.
 171         * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
 172         argument and indirection function pointers, update callers.
 173         (splay_tree_s): Add statistics and recursion control fields
 174         num_keys, max_depth, depth, rebalance_p.
 175         * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
 176         Back out of search if it exceeds limit.
 177         (splay_tree_splay): Manage recursion limiting with rebalancing as
 178         needed.
 179         (splay_tree_new): More initialization.
 180         (splay_tree_rebalance): New function.
 181         (splay_tree_foreach): Rewrite using nonrecursive logic.
 182         (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
 183         Remove.  Point indirect calls to mf-runtime.c's routines.
 184         (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
 185         functions.
 186         (splay_tree_delete, splay_tree_delete_helper): Ditto.
 187         * testsuite/heap-scalestress.c: New test based on one from
 188         Eyal Lebedinsky <eyal@eyal.emu.id.au>:
 189
 190 2004-07-05  Matthias Klose  <doko@debian.org>
 191
 192         * libtool-version: New.
 193         * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
 194         Use -version-info for soname.
 195         * Makefile.in: Regenerate.
 196         * configure.ac: Remove libtool_VERSION macro
 197         * configure: Regenerate
 198
 199 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
 200
 201         * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
 202         __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
 203         #ifndef _MUDFLAP.
 204
 205 2004-06-29  Frank Ch. Eigler  <fche@redhat.com>
 206
 207         Splay tree implementation fork.
 208         * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
 209         Use hard-coded comparison function for uintptr_t.  Remove key/value
 210         deallocation logic.  Cache last splayed key for consecutive lookups.
 211         * Makefile.am, Makefile.in: Use them, don't link to them.
 212         * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
 213         (__mf_find_objects2): Flip successor/predecessor search sequence.
 214         * ansidecl.h, libiberty.h: Removed dummy files.
 215
 216 2004-06-29  Nick Clifton  <nickc@redhat.com>
 217
 218         * configure.ac (AC_CHECK_HEADERS): Add dirent.h
 219         * configure: Regenerate.
 220         * mf-hooks2.c: Surround uses of dirent.h with #ifdef
 221         HAVE_DIRENT_H.
 222         Remove spurious inclusion of <strings.h>.
 223
 224 2004-06-29  Nick Clifton  <nickc@redhat.com>
 225
 226         * mf-runtime.c (pthread_join): Only apply the weak pragma if the
 227         function actually exists.
 228
 229 2004-06-25  Frank Ch. Eigler  <fche@redhat.com>
 230
 231         * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
 232         * config.h.in: Regenerated.
 233
 234 2004-06-24  Frank Ch. Eigler  <fche@redhat.com>
 235
 236         Adopt splay trees for object database.
 237         * Makefile.am: Copy splay-tree.* from libiberty.
 238         * Makefile.in, testsuite/Makefile.in: Regenerated.
 239         * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
 240         * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
 241         * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
 242         * mf-runtime.c: Rewrite code dealing with object database to use
 243         libiberty splay trees.  Remove tree liveness aging option.
 244         * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
 245
 246 2004-06-15  Paolo Bonzini  <bonzini@gnu.org>
 247
 248         * configure.ac: New name of configure.in.  Update
 249         AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
 250         AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
 251         Autoconf 2.5x and Automake 1.7 or later.
 252         * configure.in: Remove.
 253         * configure: Regenerate.
 254
 255         * Makefile.am: Remove useless multilib rules.
 256         * Makefile.in: Regenerate.
 257
 258 2004-06-15  Paolo Bonzini  <bonzini@gnu.org>
 259
 260         * .cvsignore: New file.
 261
 262 2004-06-10  Stephen Crowley  <stephen.crowley@sbcglobal.net>
 263
 264         PR libmudflap/13505
 265         * mf-hooks2.c (semctl): Add cygwin porting hack.
 266
 267 2004-06-09  Frank Ch. Eigler  <fche@redhat.com>
 268
 269         ctype support.
 270         * configure.in: Look for ctype header and glibc implementation.
 271         * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
 272         array hooks for glibc 2.3.
 273         * mf-runtime.h.in: Wrap them.
 274         * mf-runtime.c (__mf_init): Leave marker regarding other ctype
 275         implementations.
 276         * testsuite/libmudflap.c/pass47-frag.c: New test.
 277         * configure, config.h.in: Regenerated.
 278
 279 2004-06-04  Frank Ch. Eigler  <fche@redhat.com>
 280
 281         Portability improvements, e.g., libmudflap/15293.
 282         * configure.in: Look for glibc extension functions.  Look for
 283         support of -f{function,data}-sections.  Look for more headers.
 284         Create testsuite/mfconfig.exp.  Correct more "test x.." thinkos.
 285         * Makefile.am: Use $(SECTION_FLAGS).  Collapse piecemeal-compiled
 286         mf-hooks* into usual single object per source.
 287         * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
 288         * mf-hooks2.c: #include a bunch more system headers.  Define strnlen
 289         if system doesn't provide one.
 290         * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
 291         (pthread_create): Use it to properly GC dead thread stacks.
 292         * mf-runtime.c (__mf_violation): Correct snprintf type warning.
 293         * testsuite/Makefile.am: Stop generating site.exp.
 294         * testsuite/mfconfig.exp.in: New file.
 295         * testsuite/config/default.exp: Load new mfconfig.exp.
 296         * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
 297         (prune_gcc_output): Add glibc static linking warnings.
 298         * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
 299         * testsuite/libmudflap.c/pass46-frag.c: Ditto.
 300         * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
 301         Regenerated with autoconf 2.57 and automake 1.7.
 302
 303 2004-06-04  Per Bothner  <per@bothner.com>
 304
 305         * configure.in (LIBMUDFLAPTH):  Fix thinko.
 306
 307         * configure.in:  Check for more headers.
 308         * mf-hooks2.c:  Conditionalize on HAVE_SYS_SOCKET_H etc.
 309
 310         * mf-runtime.c:  In two places conditionalize on SIUSR1 rather than
 311         HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
 312
 313 2004-06-01  Andreas Jaeger  <aj@suse.de>
 314
 315         * configure.in: Handle multilibs, support
 316         --enable-version-specific-runtime-libs.
 317         * Makefile.am (lib_LTLIBRARIES): Rename to ...
 318         (toolexeclib_LTLIBRARIES): this for multilib support.
 319         * Makefile.in: Regenerated.
 320         * configure: Regenerated.
 321         * aclocal.m4: Regenerated.
 322         * config.h.in: Regenerated.
 323         * testsuite/Makefile.in: Regenerated.
 324
 325 2004-06-01  Andreas Jaeger  <aj@suse.de>
 326
 327         * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
 328         multilibs, using multilib directory instead of hardcoded path.
 329         Set LD_RUN_PATH.
 330
 331 2004-05-21  Frank Ch. Eigler  <fche@redhat.com>
 332
 333         * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
 334         * Makefile.in: Ditto.
 335
 336 2004-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
 337
 338         * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
 339         * aclocal.m4, configure: Rebuilt.
 340
 341 2004-05-17  Frank Ch. Eigler  <fche@redhat.com>
 342
 343         * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
 344         import some build settings from libstdc++-v3 testsuite_flags.
 345         * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
 346         changes to pass test language.
 347
 348         * mf-runtime.c (__mfu_check): Poison the cache with antidote for
 349         quicker mode-nop handling.
 350
 351 2004-03-25  Frank Ch. Eigler  <fche@redhat.com>
 352
 353         * mf-impl.h: Added libgcc license header.
 354
 355 2004-03-20  Frank Ch. Eigler  <fche@redhat.com>
 356
 357         * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
 358         Added libgcc license header.
 359         * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
 360         (pthread_create): Simplify stack allocation syntax.
 361
 362 2004-03-08  Loren J. Rittle  <ljrittle@acm.org>
 363
 364         * mf-hooks2.c: Support FreeBSD.
 365         (WRAP_gets): Avoid gets().
 366         * testsuite/libmudflap.c/pass-stratcliff.c: Do not
 367         test unimplemented mem/str calls on FreeBSD.
 368         * testsuite/libmudflap.c/pass21-frag.c: Do not include
 369         <alloca.h> on FreeBSD.
 370
 371 2004-01-30  Frank Ch. Eigler  <fche@redhat.com>
 372
 373         * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
 374         * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
 375         * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
 376         flags for static linking permutation.
 377         * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
 378         some pthreads code that croaks on linux glibc tls.
 379
 380 2004-01-27  Frank Ch. Eigler  <fche@redhat.com>
 381
 382         * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
 383
 384 2004-01-15  Frank Ch. Eigler  <fche@redhat.com>
 385
 386         * testsuite/libmudflap.c/pass44-frag.c: New test.
 387
 388 2004-01-12  Frank Ch. Eigler  <fche@redhat.com>
 389
 390         * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
 391
 392 2004-01-08  Frank Ch. Eigler  <fche@redhat.com>
 393
 394         * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
 395
 396 2003-12-11  Frank Ch. Eigler  <fche@redhat.com>
 397
 398         * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
 399
 400 2003-12-08  Andrew Pinski  <pinskia@physics.uc.edu>
 401
 402         PR libmudflap/12670
 403         * configure.in: Add check for see if
 404         socklen_t typedef is in sys/socket.h.
 405         * mf-hooks1.c: Add define if socklen_t
 406         is not typedef.
 407         * mf-hooks2.c: Likewise.
 408         * mf-hooks3.c: Likewise.
 409         * config.h.in: Regen.
 410         * configure: Regen.
 411
 412 2003-12-08  Frank Ch. Eigler  <fche@redhat.com>
 413
 414         * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
 415         * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
 416         optimizations.
 417         * testsuite/libmudflap.c/pass25-frag.c: Ditto.
 418         * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
 419         (unoptimized) allocation of stack space.
 420
 421 2003-12-07  Richard Henderson  <rth@redhat.com>
 422
 423         * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
 424         * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
 425
 426 2003-12-06  Andrew Pinski <apinski@apple.com>
 427
 428         partial PR libmudflap/12670
 429         * mf-hooks1.c: Respect Darwin checks.  Conditionalize POSIX_SOURCE.
 430         * mf-hooks2.c: Likewise.
 431         * mf-hooks3.c: Likewise.
 432
 433 2003-11-19  Frank Ch. Eigler  <fche@redhat.com>
 434
 435         libstdc++/11696
 436         * mf-runtime.h.in: Switch to #pragma redefine_extname for
 437         symbols interposed at compile time.
 438         * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
 439
 440         libmudflap/12939
 441         * mf-hooks2.c (semctl): Tolerate FreeBSD.
 442
 443         * configure.in: Reorganize check for <pthread.h>.
 444         * configure: Regenerated.
 445
 446 2003-11-04  David Edelsohn  <edelsohn@gnu.org>
 447
 448         * mf-runtime.c (_ALL_SOURCE): Define for AIX.
 449         (_LARGE_FILE_API): Define for AIX.
 450         * mf-hooks[123]: Same.
 451         (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
 452
 453 2003-10-21  David Edelsohn  <edelsohn@gnu.org>
 454
 455         * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
 456
 457 2003-07-29  Frank Ch. Eigler  <fche@redhat.com>
 458
 459         2003-07-29  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
 460
 461         * configure.in: Update check for union semun.
 462
 463 2003-07-29  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
 464
 465         PR other/11673
 466         * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
 467
 468 2003-07-29  Frank Ch. Eigler  <fche@redhat.com>
 469
 470         PR other/11673
 471         * configure.in: Add checks for 64-bit LFS functions, struct semun
 472         definition, for BSD compatibility.
 473         * mf-hooks1.c: Respect BSD checks.  Conditionalize POSIX_SOURCE.
 474         * mf-hooks2.c: Ditto.  Include <strings.h> for bcmp* decls.
 475         * mf-hooks3.c: Ditto.
 476         (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
 477         mmap flag.
 478         * configure, config.h.in: Regenerated.
 479
 480 2003-07-23  Frank Ch. Eigler  <fche@redhat.com>
 481
 482         Multithreading fixes:
 483         * mf-runtime.c (__mf_object): Store allocating/deallocating
 484         thread id.
 485         (options): Support new "-thread-stack" option.
 486         Rename "-heur-argv-environ" option to "-heur-stdlib".
 487         Disable "-lc-mask" and "-lc-shift" options.
 488         (__mf_dynamic): Add function pointers for pthread_join/_exit.
 489         (__assert_fail): New self-contained function for glibc.
 490         * mf-hooks3.c: Essentially rewritten, particularly related to
 491         use of __mf_pthread_info array.
 492         (pthread_join, _exit): New hook functions.
 493         * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
 494         * testsuite/libmudflap.cth/pass40-frag.c: New test.
 495
 496         Warning cleanups:
 497         * mf-heuristics.c: Add type casts for tracing, sub calls.
 498         * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
 499         Update all callers to declare explicit result holder.
 500         (END_PROTECT): Removed.
 501         * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
 502
 503 2003-07-15  Diego Novillo  <dnovillo@redhat.com>
 504
 505         * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
 506         * testsuite/libmudflap.c/fail15-frag.c: Likewise.
 507         * testsuite/libmudflap.c/fail13-frag.c: Likewise.
 508
 509 2003-07-04  Frank Ch. Eigler  <fche@redhat.com>
 510
 511         * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
 512         * mf-hooks: Removed.
 513         * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
 514         Move these macros from old mf-hooks.c here.
 515         * Makefile.am: Adapt to split-up hook sources for faster builds.
 516         * Makefile.in: Regenerated.
 517
 518         * mf-heuristics.c: Remove #if-0 block.
 519
 520         * mf-impl.h (__mf_state): Reorganize declaration and implementation.
 521         (__mf_starting_p): New state only for use while dlsym bootstrapping.
 522         (CALL_REAL, __mf_init): Corresponding changes.
 523         (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix.  Update
 524         all callers to remove redundant "mf:" prefix.
 525         * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
 526         * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
 527         (__mf_pthread_info): Become a hash table.
 528
 529         * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
 530         "dg-repetitions" directives to control test case execution.
 531         * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
 532         options.
 533         * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
 534
 535 2003-06-25  Frank Ch. Eigler  <fche@redhat.com>
 536
 537         * mf-hooks.c (alloca): Separate into stub.
 538         (__mf_wrap_alloca_indirect): New function.  Use CALL_REAL
 539         malloc/free for alloca blocks.
 540         (pthread_create): Tolerate failing pthread_attr_get* calls.
 541         * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
 542         * mf-impl.h (CALL_WRAP): Remove macro.
 543         * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
 544         * testsuite/libmudflap.c/pass23-frag.c: Include more struct
 545         padding for ia64 BIT_FIELD_REF constructs.
 546
 547 2003-06-19  Frank Ch. Eigler  <fche@redhat.com>
 548
 549         * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
 550         (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
 551         libmudflap object type.
 552         * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
 553         crashes on unregistering STATIC objects.
 554
 555 2003-06-17  Frank Ch. Eigler  <fche@redhat.com>
 556
 557         Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
 558         * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
 559         (time, strerror, fopen, fopen64, fclose, fread): New hooks.
 560         (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
 561         (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
 562         (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
 563         (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
 564         (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
 565         (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
 566         (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
 567         (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
 568         (accept, bind, connect, gethostname, sethostname): New hooks.
 569         (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
 570         (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
 571         (semop, semctl, shmctl, shmat, shmdt): New hooks.
 572         * mf-runtime.h.in: Corresponding changes.
 573         * mf-runtime.c (__mf_ini): Register stdio objects.  Use STATIC type.
 574         (opts) Rename heur_argv_environ to heur_std_data.
 575         (__mf_wrap_main): Use STATIC type for argv/environ strings.
 576         * Makefile.am: Corresponding changes.
 577         * Makefile.in: Regenerated.
 578
 579 2003-06-11  Frank Ch. Eigler  <fche@redhat.com>
 580
 581         * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
 582         heuristic for threaded case, and for non-x86-linux targets.
 583         * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
 584         for use during pre-main() program startup.
 585         (__mf_0fn_*): Make these functions non-static.
 586         * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
 587         functions.
 588         * mf-runtime.c (__mf_state): Set initial state to "starting".
 589         (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
 590         (__wrap_main): New function to register argv[] and environ[] strings.
 591         (__mf_ini): Call it.
 592         (*): In all trace functions, use "%p" as formatter for uintptr_t.
 593
 594         * testsuite/libmudflap.c/pass38-frag.c: New test case.
 595         * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
 596
 597         * acinclude.m4: Add comments with aoliva's concerns about x86_64
 598         pass_all.
 599         * aclocal.m4, configure: Regenerated.
 600
 601 2003-06-04  Frank Ch. Eigler  <fche@redhat.com>
 602
 603         * acinclude.m4: Correct typo in AC_MSG_CHECKING.
 604         * aclocal.m4, configure: Regenerated.
 605
 606 2003-06-03  Frank Ch. Eigler  <fche@redhat.com>
 607
 608         * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
 609         for x86_64 target.  Disable caching for this value.
 610         * aclocal.m4, configure: Regenerated.
 611
 612 2003-06-02  Frank Ch. Eigler  <fche@redhat.com>
 613
 614         * testsuite/libmudflap.c/pass38-frag.c: Deleted.  -fwritable-strings
 615         is about to become deprecated, and its present handling bugs are
 616         unworthy of fixing.
 617
 618 2003-05-30  Frank Ch. Eigler  <fche@redhat.com>
 619
 620         * testsuite/libmudflap.c/pass38-frag.c: New test for
 621         -fwritable-strings.
 622
 623 2003-05-23  Frank Ch. Eigler  <fche@redhat.com>
 624
 625         * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
 626         __mf_report, asserting reentrant calling context.
 627
 628 2003-05-23  Frank Ch. Eigler  <fche@redhat.com>
 629
 630         * mf-hooks.c (realloc): Correct reentrancy logic.
 631         * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
 632
 633 2003-05-20  Frank Ch. Eigler  <fche@redhat.com>
 634
 635         * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
 636         PTHREAD_THREADS_MAX.  Update users.
 637         * mf-runtime.c (__mf_usage): Print [active] instead of [default]
 638         for active options.
 639         * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
 640         with libmudflapth presence indicator.
 641         * testsuite/Makefile.in: Regenerated.
 642
 643 2003-05-16  Frank Ch. Eigler  <fche@redhat.com>
 644
 645         * Makefile.am (AM_CFLAGS): Remove "-ansi".
 646         * configure.in: Remove silly no-pthreads => no-shared logic.
 647         * Makefile.in, configure: Regenerated.
 648         * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
 649         * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
 650         code.  Count reentrancy events.
 651         (all hook functions): Don't directly manipulate __mf_state variable.
 652         Add TRACE calls to hook functions without them.
 653         * mf-impl.h (LOCKTH): Try to count lock contention events.
 654         (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
 655         * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
 656         Reorganize reentrancy code.
 657         (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
 658         identify reentrancy with mutex holding times.
 659         (internal __mfu_ entry points): Remove internal reentrancy code.
 660         (__mf_init): Use ordinary locked calls.
 661         (__mfu_report): Print the two new counts.
 662         * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
 663         * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
 664         * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
 665         * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
 666         option defaults.
 667
 668 2003-05-09  Frank Ch. Eigler  <fche@redhat.com>
 669
 670         * configure.in: Add pthread support, plus glibc and porting hacks.
 671         * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
 672         from objects built into ./pth/.
 673         * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
 674         functions for internal entry points.  Update callers to pick
 675         locked vs. unlocked variants.
 676         (__mf_resolve_single_dynamic): Extend to support symbol versioning
 677         info coming in from a static data structure.
 678         (*): Reorder miscellaneous declarations to group data vs functions.
 679         (__mf_set_default_options): Simplify.
 680         (__mf_usage): Mention threading status of host executable.
 681         * mf-impl.h: Move max/min decls here.  Reorganize __mf_dynamic
 682         decls to match above.
 683         (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
 684         * mf-heuristics.c: Choose between locked/unlocked calls.  Add
 685         some lock/unlock markers.  Remove some unused code.
 686         * mf-hooks: Ditto.
 687         (pthread_create): New hook function.
 688         (__mf_pthread_cleanup, _spawner): New helper functions.
 689         * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
 690
 691 2003-05-02  Frank Ch. Eigler  <fche@redhat.com>
 692
 693         * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
 694
 695 2002-04-28  Frank Ch. Eigler  <fche@redhat.com>
 696
 697         * Makefile.am (HOOKOBJS): Add *time related hooks.
 698         * configure.in: Look for pthreads.h header.
 699         * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
 700         * mf-runtime.c: Begin sketching some pthreads support.
 701         (__mf_usage): Check for -lpthread presence.
 702         (__mf_unregister): Confirm matching unregistration base.
 703         (__mf_find_objects_rec): Reduce unnecessary recursion.
 704         * mf-runtime.h.in: Add "nothrow" attribute to functions.  Add
 705         #defines for new hook functions.
 706         * mf-impl.h: Corresponding changes.
 707         * config.h.in, configure, Makefile.in: Regenerated.
 708
 709 2002-04-27  Diego Novillo  <dnovillo@redhat.com>
 710
 711         * testsuite/libmudflap.c/fail1-frag.c: Add volatile
 712         modifiers to prevent being optimized away.
 713         * testsuite/libmudflap.c/fail10-frag.c: Likewise.
 714         * testsuite/libmudflap.c/fail13-frag.c: Likewise.
 715         * testsuite/libmudflap.c/fail14-frag.c: Likewise.
 716         * testsuite/libmudflap.c/fail15-frag.c: Likewise.
 717         * testsuite/libmudflap.c/fail2-frag.c: Likewise.
 718         * testsuite/libmudflap.c/fail20-frag.c: Likewise.
 719         * testsuite/libmudflap.c/fail3-frag.c: Likewise.
 720
 721 2003-04-15  Frank Ch. Eigler  <fche@redhat.com>
 722
 723         * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
 724         * configure.in: Look for uintptr_t and -ldl on target.
 725         * mf-runtime.h.in: Adjust uintptr_t declaration logic.
 726         * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
 727         * testsuite/Makefile.in: Regenerated.
 728         * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
 729         for better C compliance.
 730
 731 2003-04-15  Frank Ch. Eigler  <fche@redhat.com>
 732
 733         * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
 734         prevention code.
 735         * mf-runtime.c (__mf_set_default_options): Turn off
 736         check-initialization.
 737         (__mf_describe_object): Shorten description.
 738         * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
 739
 740 2003-04-07  Frank Ch. Eigler  <fche@redhat.com>
 741
 742         * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
 743
 744 2003-04-02  Frank Ch. Eigler  <fche@redhat.com>
 745
 746         * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
 747         calls specially.
 748         (__mf_0fn_malloc ... _munmap): New dummy backup calls.
 749         * mf-impl.h (CALL_BACKUP): New macros.
 750         * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
 751
 752 2003-03-31  Frank Ch. Eigler  <fche@redhat.com>
 753
 754         * Makefile.am (AM_CFLAGS): Remove optimization flags.
 755         (HOOKOBJS): Remove dlopen hook.
 756         (libmudflap_la_LIBADD): Add -ldl.
 757         * mf-hooks.c (dlopen): Remove hook.
 758         * mf-impl.h (__mf_dynamic): Ditto.
 759         * mf-runtime.c (__mf_resolve_dynamics): Ditto.
 760         * Makefile.in: Regenerated.
 761
 762 2003-03-28  Frank Ch. Eigler  <fche@redhat.com>
 763
 764         * configure.in: Check for target gettimeofday, signal, some headers.
 765         * mf-impl.h (__mf_opts): Add new "sigusr1_report" field.  Comment
 766         out inop multi_threaded field.
 767         * mf-runtime.c (options): Handle new "-sigusr1-report" option.
 768         (__mf_set_options): Correct handling of "-help".
 769         (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
 770         (__mf_check, __mf_register, __mf_unregister): Call it.
 771         (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
 772         (__mf_report_leaks): Make callable
 773         (__mf_tree_analyze): Traverse in-order.  Accumulate address bit
 774         distribution statistics.
 775         (__mf_adapt_cache): Rewrite shift guessing logic based on address
 776         bit distributions.
 777         * config.h.in, configure: Regenerated.
 778         * testsuite/libmudflap.c/fail27-frag.c: New test.
 779         * testsuite/libmudflap.c/pass36-frag.c: New test.
 780
 781 2003-03-11  Frank Ch. Eigler  <fche@redhat.com>
 782
 783         * mf-runtime.h.in: Tweak.
 784         * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
 785         Don't use intermediate files nor AC_OUTPUT-time postprocessing.
 786         * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
 787
 788 2003-03-10  Frank Ch. Eigler  <fche@redhat.com>
 789
 790         * configure.in: Tweak generation of mf-runtime.h some more.  It
 791         needs to work from both config.status and configure.
 792         * configure: Regenerated.
 793
 794 2003-03-10  Frank Ch. Eigler  <fche@redhat.com>
 795
 796         * Makefile.am: Reorganize hook file building.  Add auto dependencies.
 797         * configure.in: Tweak generation of mf-runtime.h.
 798         * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
 799         * mf-hooks.c (*): Adapt to initialized-heap object type.
 800         * mf-impl.h: Tweak cemetary boundaries.
 801         * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
 802         type.
 803         (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
 804         (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
 805         * testsuite/lib/libmudflap.exp (includes): Include build tree.
 806         * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
 807         checking.
 808         * testsuite/.../fail{25,26}-frag.c: New tests.
 809         * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
 810         * Makefile.in, configure: Regenerated.
 811
 812 2003-03-05  Frank Ch. Eigler  <fche@redhat.com>
 813
 814         * mf-runtime.c (__mf_set_default_options): Turn on initialization
 815         checking by default.
 816         (__mf_insert_new_object): As a temporary hack, assume that new
 817         objects registered on the stack start out initialized.
 818         * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
 819         heap objects by hand.
 820
 821 2003-03-05  Frank Ch. Eigler  <fche@redhat.com>
 822
 823         Switch to macro-style hooks for str*/mem*/b* functions.
 824         * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
 825         (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
 826         * mf-runtime.c: #include config.h to enable glibc backtraces again.
 827         (__mf_set_default_options): Turn off heur_proc_map.
 828         (*): Adapt to to macro-style hook functions.
 829         (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
 830         (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
 831         (__mf_violation): Handle __MF_VIOL_WATCH.
 832         * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
 833         (__mf_dynamic): Removed mem*/str*/b* functions.
 834         (TRACE, VERBOSE_TRACE): Add reentrancy locking.
 835         (WRAPPER2): New macro for macro-style hooks.
 836         * mf-hooks.c: Convert mem*/str*/b* functions to simpler
 837         macro-style hooks.
 838         (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
 839         * mf-heuristics.c: Adapt to macro-style hook functions.
 840         Correct some comments.
 841         * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
 842         output pattern tests.
 843         * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
 844         * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
 845
 846 2003-02-28  Frank Ch. Eigler  <fche@redhat.com>
 847
 848         * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
 849         for global array registration.
 850         * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
 851         * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
 852
 853 2003-02-27  Frank Ch. Eigler  <fche@redhat.com>
 854
 855         * Makefile.am: Add gross make bug workarounds.  Tweaked
 856         SUBDIRS and AM_CFLAGS.
 857         * Makefile.in: Regenerated.
 858
 859 2003-02-26  Frank Ch. Eigler  <fche@redhat.com>
 860
 861         Switch to dejagnu.
 862         * configure.in (AC_PROG_CXX): Don't look for C++ any more.
 863         * Makefile.am (TESTS): Remove simple automake testing.
 864         * configure, Makefile.in: Regenerated.
 865         (SUBDIRS): Include new testsuite/ directory.
 866         * tests/*: Removed all files; moved bulk under:
 867         * testsuite/*: New subdirectory tree.
 868         * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
 869         * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
 870         * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
 871         * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
 872         * testsuite/config/default.exp: New file.
 873         * testsuite/Makefile.am, Makefile.in: New files.
 874
 875 2003-01-29  Frank Ch. Eigler  <fche@redhat.com>
 876
 877         * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
 878         (TESTS): Add fail22 and pass29 tests.
 879         * mf-runtime.h.in: Change API to take void*/size_t region parameters.
 880         Add new access-type parameter for __mf_check.  Move __MF_VIOL* out.
 881         * mf-impl.h: Corresponding changes.  Update CLAMP* macros for void*
 882         values.  Move __MF_VIOL* here.
 883         * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
 884         (check_initialization): New field in __mf_opts.  Default off.
 885         (read_count,write_count): New fields in __mf_object.
 886         (__mf_check): Implement basic initialization checking.
 887         (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
 888         (__mf_describe_object): Print new fields.
 889         (__mf_violation): Identify check/read vs. check/write in messages.
 890         * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
 891         "-check-initialized" mudflap option.
 892         * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
 893         * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
 894         Drop __FILE__/__LINE__ hack.  Update callers.
 895         (*): Adapt to new mf-runtime.h API.
 896         * Makefile.in: regenerated.
 897
 898 2003-01-24  Frank Ch. Eigler  <fche@redhat.com>
 899
 900         * configure.in: Build mf-runtime.h a more proper way.
 901         * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
 902         * mf-runtime.c (verbose_violations): Turn on by default.
 903         * mf-runtime.h.in: Remove some miscellaneous stuff ...
 904         * mf-impl.h: ... and move it here.
 905         * configure: Regenerated.
 906
 907 2003-01-22  Frank Ch. Eigler  <fche@redhat.com>
 908
 909         * configure.in: Look for C++ compiler.
 910         * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
 911         fixed type warnings when built with C++.
 912         * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
 913         * Makefile.am (TESTS): Run them.
 914         (*) Add new rules for building and running C++ tests.
 915         (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
 916         * mf-runtime.h.in: Protect with extern "C".
 917         * Makefile, configure: Regenerated.
 918
 919 2003-01-06  Frank Ch. Eigler  <fche@redhat.com>
 920
 921         Portability improvements.
 922         * configure.in: Look for glibc backtrace headers/functions.
 923         * mf-hooks.c: Don't include <execinfo.h> any more.
 924         * mf-runtime.c (__mf_set_options): Call more stdlib functions
 925         via CALL_REAL.
 926         (__mf_backtrace): Provide alternate baby implementation in
 927         absence of glibc.
 928         * test/mf-driver.c: Portability tweaks.
 929         * acinclude.m4: New file, containing top level libtool.m4.
 930         * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
 931
 932 2002-12-19  Frank Ch. Eigler  <fche@redhat.com>
 933
 934         * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
 935
 936 2002-11-08  Frank Ch. Eigler  <fche@redhat.com>
 937
 938         * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
 939         options.
 940         (__mf_unregister): Implement stack/heap object wiping.
 941         (__mf_set_options): Renamed from __mf_process_opts.
 942         (__mf_uncache_object): Change arg type, correct callers.
 943         * mf-impl.h: Corresponding changes.
 944         * mf-hooks.c (realloc): Save/restore heap-wiping flag.
 945         * mf-runtime.h.in (__mf_set_options): Extend public API.
 946         * test/pass26-frag.c: New test for stack wiping.
 947         * Makefile.am (TESTS): Run it.
 948         * Makefile.in: Regenerated.
 949
 950 2002-11-07  Frank Ch. Eigler  <fche@redhat.com>
 951
 952         * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
 953         * mf-runtime.c (__mf_object_t): Add watching_p field.
 954         (__mf_watch_or_not): New function to implement
 955         object watch flagging.
 956         (__mf_watch, __mf_unwatch): New wrappers for above.
 957         (__mf_check, __mf_describe_object): Handle objects with watching_p.
 958         (__mf_count_violation): Enlarge array.
 959         (__mf_uncache_object): Renamed from __mf_remove_old_object.  Don't
 960         unlink object.  Clear cache properly.
 961         (__mf_unregister): Unlink object explicitly before uncaching.
 962         * test/fail21-frag.c, pass25-frag.c: New tests.
 963         * Makefile.in, aclocal.m4: Regenerated.
 964
 965 2002-11-05  Frank Ch. Eigler  <fche@redhat.com>
 966
 967         * test/fail20-frag.c: New test for NULL pointer dereferencing.
 968         * Makefile.am (TESTS): Add it.
 969         * test/pass-stratcliff.c: Add decls of stpcpy.
 970         * configure.in: Test for <stdint.h>.  Generate mf-runtime.h in
 971         build tree from config.h and new file mf-runtime.h.in.
 972         * mf-runtime.h.in: Renamed from mf-runtime.h.  Tweak uintptr_t decl.
 973         * Makefile.in, configure, config.h.in: Regenerated.
 974         * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
 975         * mf-runtime.c (options, __mf_set_default_options): Support new
 976         default "abbreviate" option.
 977         (__mf_object.description_epoch): New field.
 978         (__mf_describe_object): Conditionally abbreviate objects already
 979         displayed in current epoch.  Accept NULL input to increment epoch.
 980         (__mf_fini, __mf_ini): Reset description epoch.
 981         (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
 982         that NULL pointer slot in lookup cache is invalidated.  Register a
 983         NOACCESS region around NULL.
 984         * mf-impl.h: Corresponding changes.
 985
 986 2002-10-16  Frank Ch. Eigler  <fche@redhat.com>
 987
 988         * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
 989         * Makefile.am: Run them.  Install mf-runtime.h.
 990         * Makefile.in: Regenerated.
 991         * mf-hooks.c: Add some markers for more missing functions.
 992         * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
 993         statistic to tune tune cache size (mask).
 994
 995 2002-10-01  Frank Ch. Eigler  <fche@redhat.com>
 996
 997         * test/pass23-frag.c: New test for bit_field_ref expressions.
 998         * Makefile.am, Makefile.in: Add new test.
 999         * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1000         (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1001         * mf-runtime.c (__mf_init): Register errno global.
1002         (__mf_find_object): Removed function.
1003         (__mf_check): Rewrite logic to support accesses across some
1004         contiguous but distinctly registered objects.
1005         (__mf_remove_old_object): Tolerate cache entries that span
1006         contiguous objects.
1007
1008 2002-09-30  Frank Ch. Eigler  <fche@redhat.com>
1009
1010         * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1011         * Makefile.am, Makefile.in: Run new tests.
1012         * mf-hooks.c (alloca): Correct stack direction logic.
1013
1014 2002-09-26  Frank Ch. Eigler  <fche@redhat.com>
1015
1016         * mf-impl.h (adapt_cache): New option.
1017         * mf-runtime.c (__mf_set_default_options): Set its default value.
1018         Tweak the tree_aging parameter down.
1019         (__mf_check): Maintain separate counter for cache-adaptation.
1020         (__mf_tree_analyze): New function to collect object tree stats.
1021         (__mf_adapt_cache): New function to automate cache parameters.
1022
1023 2002-09-24  Frank Ch. Eigler  <fche@redhat.com>
1024
1025         * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1026         hypothetical #if-0'd argv/envp region registration.
1027         * mf-runtime.c (__mf_init): Add kludged form of above.
1028         (*) Add "heur_argv_environ" flag, default on, to govern this.
1029         * mf-impl.h: Corresponding changes.
1030
1031 2002-09-20  Frank Ch. Eigler  <fche@redhat.com>
1032
1033         * test/fail18-frag.c: New test file for NOACCESS regions.
1034         * Makefile.am (TESTS): Add new test.
1035         * Makefile.in: Regenerated.
1036
1037         * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1038         * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1039         (optimize_object_tree): Remove unused mudflap_option.
1040         * mf-runtime.h (__MF_TYPE_NOACCESS): New region type.  Add printing
1041         support throughout.  Use .._MAX_CEM for cemetary upper bound.
1042         * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1043         regions.
1044         (__mf_object): Add new liveness field for use by tree aging.
1045         (__mf_check): Trigger tree aging when needed.
1046         (__mf_age_tree): New function to decay liveness field.
1047         (__mf_find_objects_rec): Use liveness field to rotate tree.
1048         (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1049         (__mf_unregister): Ditto.
1050         (__mf_register): Tweak duplicate-static message.
1051         (__mf_violation: Tweak nearby-object counter printing.
1052
1053 2002-09-16  Frank Ch. Eigler  <fche@redhat.com>
1054
1055         * test/pass20-frag.c: New test file.
1056         * Makefile.am (TESTS): Reorganize.  Add pass20 test.
1057         * Makefile.in: Regenerated.
1058
1059         * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros.  Update callers.
1060         * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1061         * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1062         entries to avoid repeat registration.
1063         * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1064         (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1065
1066 2002-09-09  Frank Ch. Eigler  <fche@redhat.com>
1067
1068         * Makefile.am: Create test sources with #include, not cat>>.
1069         * Makefile.in: Regenerated.
1070         * test/buildtest.sh: Removed.
1071         * test/driver.c (abort_handler, main): Be quiet.
1072
1073 2002-09-06  Frank Ch. Eigler  <fche@redhat.com>
1074
1075         * test/pass18-frag.c, pass19-frag.c: New tests.
1076         * Makefile.am (check): Run them.  Rebuild test programs each time.
1077         * Makefile.in: Regenerated.
1078
1079 2002-09-06  Frank Ch. Eigler  <fche@redhat.com>
1080
1081         * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1082         overlapping object search.
1083         (__mf_violation): Likewise for nearby objects.
1084         Improve nearby-object listing.
1085
1086         cleanup:
1087         * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1088         * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1089
1090 2002-09-03  Frank Ch. Eigler  <fche@redhat.com>
1091
1092         alloca support:
1093         * Makefile.am (AM_CFLAGS): New definition of needed settings.
1094         (HOOKOBJS): Add alloca-hook.o.
1095         * mf-hooks.c (alloca): New function to implement alloca in libiberty
1096         style.
1097         * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1098         (__mf_backtrace): Reimplement without using alloca.
1099         * Makefile.in: Regenerated.
1100
1101         cleanup:
1102         * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1103         Correct signedness bugs in length-tracking variables.
1104         * mf-impl.h: Make options unsigned.
1105         (CALL_WRAP): New macro to parallel CALL_REAL().
1106         (DECLARE): Remove erroneous ";" at end.
1107         * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1108         formatting specs with %08lx.  Correct several compiler warnings.
1109
1110 2002-08-28  Frank Ch. Eigler  <fche@redhat.com>
1111
1112         * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1113
1114 2002-08-27  Frank Ch. Eigler  <fche@redhat.com>
1115
1116         libmudflap hook breakup:
1117         * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1118         for libgcc_s.
1119         (TESTS): Make dependent on libmudflap.
1120         (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1121         compiled from segments of mf-hooks.c.
1122         * mf-hooks.c: Corresponding changes: wrap each function in
1123         #ifdef/#endif.
1124         * Makefile.in: Regenerated.
1125
1126         Heuristics reorganization:
1127         * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1128         Remove these functions.  Update callers.
1129         (__mf_heuristic_check): Incorporate all the various heuristics.
1130         Encode cacheability/retry judgement into trinary return value.
1131         Separate start-end logic into a separate fallback heuristic.  Only
1132         register relevant /proc/self/map segments.
1133         * mf-impl.h: Corresponding changes.
1134         * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1135         (__mf_init): Don't call __mf_init_heuristics.
1136
1137         Tracing cleanup:
1138         * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1139         "-verbose-trace" to emit all tracing messages other than those of
1140         basic public api.  Eliminate some duplicate/excessive messages.
1141         * mf-runtime.h: Corresponding changes.
1142
1143 2002-08-27  Graydon Hoare  <graydon@redhat.com>
1144
1145         * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1146         and __real when compiled with -DPIC.
1147         * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1148         * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1149         * Makefile.in: Regenerate.
1150
1151 2002-08-26  Graydon Hoare  <graydon@redhat.com>
1152
1153         * mf-impl.h: New file, private implementation header.
1154         * mf-runtime.h: Reorganize a bit.
1155         (CLAMPSZ): Fix arithmetic.
1156         (__MF_CACHE_MISS_P): Fix arithmetic.
1157         * mf-runtime.c: Reorganize a bit.
1158         (__mf_dynamic): New structure.
1159         (resolve_single_dynamic): New function.
1160         (__mf_resolve_dynamics): New function.
1161         (__mf_init): Initialize dynamic wrappers.
1162         * mf-hooks.c: Macro-ize __real calls.
1163         Clamp various bits of arithmetic.
1164         Add explicit __mf_check call contexts.
1165         * Makefile.am: Add dependencies on mf-impl.h
1166         * Makefile.in: Regenerate.
1167         * configure.in: Comment out shared override.
1168         * configure: Regenerate.
1169
1170 2002-08-22  Graydon Hoare  <graydon@redhat.com>
1171
1172         * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1173         (__mf_check): Re-inialize and check heuristics before violation.
1174         (__mf_register): Permit updating pure-guess regions.
1175         * mf-hooks.c (__wrap_free): Correct some free queue logic.
1176         (__wrap_dlopen): New wrapper function.
1177         (__wrap_mmap): New wrapper function.
1178         (__wrap_munmap): New wrapper function.
1179         * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1180         which are not stack addresses.
1181         (is_stack_address): New function.
1182         (__mf_init_heuristics): Save and restore state, always initialize with
1183         "starting" state.
1184
1185 2002-08-21  Frank Ch. Eigler  <fche@redhat.com>
1186
1187         * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1188         error.  Pass location string.
1189         (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1190         * mf-runtime.c (options): Add lc-mask, lc-shift options.
1191         (__mf_process_opts): Apply some sanity checking for lc-mask.
1192         (__mf_check, __mf_violation): Take new location-string argument.
1193         Update callers to pass NULL if necessary.
1194         (__mf_backtrace): New smart backtracer function.  Calls replace
1195         several ad-hoc blocks elsewhere.
1196         (__mf_describe_object): Remove bad reentrancy test.  Improve
1197         tracing message.
1198         * mf-runtime.h: Corresponding changes.  Public/private markup.
1199         (__MF_CACHE_MISS_P): New macro.
1200
1201 2002-08-20  Graydon Hoare  <graydon@redhat.com>
1202
1203         * mf-runtime.h: New option: stack_bound (heuristic).
1204         Move some macros out of implementation files.
1205         * mf-runtime.c: New option string: -stack-bound.
1206         Unify recursion protection with hooks.
1207         Add more logging.
1208         (__mf_check): Call __mf_heuristic_check.
1209         (__mf_process_opts): Fix "no-" processing.
1210         * mf-heuristics.c (__mf_heuristic_check): New function.
1211         * mf-hooks.c: Much off-by-one fixing, recursion protection.
1212
1213 2002-08-20  Frank Ch. Eigler  <fche@redhat.com>
1214
1215         Option parsing improvements, region splitting bug fixes:
1216         * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1217         * mf-runtime.h (heur_proc_map): New libmudflap option.
1218         * mf-runtime.c (__mf_set_default_options): Set it.
1219         (__mf_usage): Print default values/status.
1220         (__mf_process_opts): Support general "no-" option string prefix.
1221         (__mf_init): Print __mf_usage on unknown-option error.
1222         (__mf_register): Print trace message up front.
1223         Correct region splitting logic for case where a subregion disappears.
1224         Correct memory leak.
1225         (__mf_violation): Make even basic message conditional on option.
1226
1227         Build cleanup:
1228         * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1229         (clean-local): New target.
1230         (test/*x rules): Add -g CFLAGS.
1231         (CFLAGS): Add -freorder-blocks.
1232         (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1233         * Makefile.in: Regenerated.
1234         * Makefile, mf-config.h: Removed files.
1235
1236 2002-08-16  Graydon Hoare  <graydon@redhat.com>
1237
1238         * mf-runtime.c (__mf_insert_new_object): Factor out of
1239         __mf_register.
1240         (__mf_remove_old_object): Factor out of __mf_unregister.
1241         (__mf_register): Handle guessed regions, splitting
1242         guesses when new registrations arrive.
1243         (__mf_unregister): Do not unregister guesses.
1244         * mf-runtime.h: Move convenience macros around,
1245         declare new option fields. Add __MF_TYPE_GUESS.
1246         * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1247         (__wrap_free): Call __real_free for deferred frees.
1248         * Makefile.am: Add more tests, fix dependency.
1249         * Makefile.in: Regenerate.
1250         * test/pass[13..17]-frag.c: New testcases.
1251         * test/fail[13..17]-frag.c: New testcases.
1252
1253 2002-08-15  Graydon Hoare  <graydon@redhat.com>
1254
1255         * mf-heuristics.c: New file.
1256         * mf-runtime.c (options): Add -trace-calls option.
1257         (__mf_init): Call __mf_init_heuristics.
1258
1259 2002-08-14  Graydon Hoare  <graydon@redhat.com>
1260
1261         * Makefile.am (TESTS): Add testsuite support.
1262         * Makefile.in: Regenerate.
1263         * test/mf-driver.c: New file.
1264         * test/buildtest.sh: New file.
1265         * test/passNN-frag.c: New testcases.
1266         * test/failNN-frag.c: New testcases.
1267
1268 2002-08-14  Graydon Hoare  <graydon@redhat.com>
1269
1270         * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1271         verifying non-size-limited string extents.
1272
1273 2002-08-14  Frank Ch. Eigler  <fche@redhat.com>
1274
1275         * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1276         instead of plain str[n]len for internal checks.
1277         * mf-runtime.c (__mf_violation): Print optional stack traceback.
1278
1279 2002-08-14  Frank Ch. Eigler  <fche@redhat.com>
1280
1281         * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1282
1283 2002-08-13  Graydon Hoare  <graydon@redhat.com>
1284
1285         * mf-runtime.c: Rework configuration to operate on
1286         environment variable options rather than #defines
1287         (__mf_violation): Add simple fork-a-gdb violaiton mode.
1288         (__mf_init): Set static __mf_active_p flag on startup,
1289         to inhibit mudflap wrap-based checking during crt0.s.
1290         * mf-runtime.h: Declare options structure.
1291         * mf-hooks.c: New wrappings for mem*, b*, str*
1292         libc functions (temporarily #if 0-ed out).
1293
1294 2002-08-12  Frank Ch. Eigler  <fche@redhat.com>
1295
1296         * Makefile.am, configure.in: New files.
1297         * Makefile.in, Makefile, configure, config.h.in: New generated files.
1298         * stamp-h.in, aclocal.m4: Ditto.
1299
1300 2002-08-08  Frank Ch. Eigler  <fche@redhat.com>
1301
1302         * Makefile: New file.
1303         * mf-config.h: New file: runtime configuration.
1304         * mf-hooks.c: New file: interposed libc functions.
1305         * mf-runtime.c: New file: bulk of runtime.
1306         * mf-runtime.h: New file: public functions.