libmudflap/ChangeLog

   1 2004-01-02  Greg McGary  <greg@mcgary.org>
   2
   3         * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
   4         * mf-runtime.h: New file, replaces mf-runtime.h.in.
   5         * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
   6         * Makefile.in: Ditto.
   7         * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
   8         * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
   9         * testsuite/libmudflap.c/fail36-frag.c: New test.
  10         * testsuite/libmudflap.c/fail37-frag.c: New test.
  11         * testsuite/libmudflap.c/fail38-frag.c: New test.
  12
  13 2004-12-08  Kelley Cook  <kcook@gcc.gnu.org>
  14
  15         * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
  16         * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
  17
  18 2004-12-02  Richard Sandiford  <rsandifo@redhat.com>
  19
  20         * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
  21         * aclocal.m4: Include ../config/gcc-version.m4.
  22         * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
  23
  24 2004-11-29  Kelley Cook  <kcook@gcc.gnu.org>
  25
  26         * Makefile.am: Define ACLOCAL_AMFLAGS.
  27         * acinclude.m4: Remove.
  28         * stamp-h.in: Remove superfluous stamp file.
  29         * aclocal.m4, configure, Makefile.in: Regenerate.
  30         * testsuite/Makefile.in: Likewise.
  31
  32 2004-11-24  Kelley Cook  <kcook@gcc.gnu.org>
  33
  34         * Makefile.am: Revert previous.
  35         * acinclude.m4: Restore.
  36         * aclocal.m4, configure, Makefile.in: Regenerate.
  37         * testsuite/Makefile.in: Likewise.
  38
  39 2004-11-24  Kelley Cook  <kcook@gcc.gnu.org>
  40
  41         * Makefile.am: Define ACLOCAL_AMFLAGS.
  42         * acinclude.m4: Remove.
  43         * aclocal.m4, configure, Makefile.in: Regenerate.
  44         * testsuite/Makefile.in: Likewise.
  45
  46 2004-11-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
  47
  48         * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
  49
  50 2004-11-23  Kelley Cook  <kcook@gcc.gnu.org>
  51
  52         * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
  53         * testsuite/Makefile.in: Likewise.
  54
  55 2004-11-01  Andreas Schwab  <schwab@suse.de>
  56
  57         * configure.ac: (target_alias): Default to $host_alias, not
  58         $target.
  59         * configure: Regenerated.
  60
  61 2004-10-28  Frank Ch. Eigler  <fche@redhat.com>
  62
  63         * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
  64         * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
  65         message.
  66
  67 2004-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
  68
  69         PR other/18138
  70         * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
  71
  72 2004-10-12  Frank Ch. Eigler  <fche@redhat.com>
  73
  74         * configure.ac: Check for more headers, functions.
  75         * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
  76         tracking overridden FILE buffers.
  77         (fopen, setvbuf): New/revised hook functions for buffer overriding.
  78         (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
  79         (fflush): Accept given NULL stream (means "all streams").
  80         * mf-runtime.h.in:
  81         * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
  82         HEAP/GUESS objects.
  83         (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
  84         (__mf_adapt_cache): Use them all.
  85         * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
  86         * testsuite/libmudflap.c++/ctors.exp: Ditto.
  87         * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
  88         * configure, config.h.in: Regenerated.
  89
  90 2004-10-05  Frank Ch. Eigler  <fche@redhat.com>
  91
  92         * configure.ac: Checking for sys/socket.h once is enough.
  93         * configure: Regenerated.
  94
  95 2004-10-04  Frank Ch. Eigler  <fche@redhat.com>
  96
  97         * configure.ac: Look for more headers & functions.
  98         * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
  99         * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
 100         * mf-runtime.c (options): Clean up integer signedness warnings.
 101         (main): Add a declaration to fix a warning.
 102         * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
 103         * configure, config.h.in: Regenerated.
 104
 105 2004-10-02  Frank Ch. Eigler  <fche@redhat.com>
 106
 107         * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
 108         New tests for proper base/limit checking for aggregates.
 109
 110 2004-09-15  Joseph S. Myers  <jsm@polyomino.org.uk>
 111
 112         * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
 113
 114 2004-09-07  Frank Ch. Eigler  <fche@redhat.com>
 115
 116         * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
 117         * mf-hooks2.c (strerror): Unregister previous string returned by
 118         previous strerror.
 119         (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
 120         (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
 121         * mf-runtime.h.in: Add redefine_extname pragmas for them all.
 122         * mf-runtime.c (__mf_describe_object): Clarify object life status.
 123         * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
 124         New tests.
 125         * configure, config.h.in: Regenerated.
 126
 127 2004-08-03  Dale Johannesen  <dalej@apple.com>
 128
 129          * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
 130
 131 2004-08-03  Frank Ch. Eigler  <fche@redhat.com>
 132
 133         * mf-runtime.c (compare_uintptr_t): Remove function.  Inline
 134         simplified contents in all former callers.
 135
 136 2004-07-27  Ulrich Weigand  <weigand@informatik.uni-erlangen.de>
 137
 138         * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
 139         the statically linked case.
 140
 141 2004-07-27  Frank Ch. Eigler  <fche@redhat.com>
 142
 143         * splay-tree.[ch]: Remove.  Merge contents into ...
 144         * mf-runtime.c: ... here, renaming symbols and making all functions
 145         static.  Remove unused min/max functions.
 146         * Makefile.am: Forget about splay-tree.[ch].
 147         * Makefile.in, testsuite/Makefile.in: Regenerated.
 148
 149 2004-07-21  Frank Ch. Eigler  <fche@redhat.com>
 150
 151         * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
 152         (__mfu_usage): Include (C) 2004.
 153         * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
 154         here.  Include a comment explaining why.
 155
 156 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
 157
 158         * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
 159         * mf-runtime.c (options): Give them a name.
 160         (__mf_set_default_options): Set them.
 161         (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
 162         (__mf_violation): Warning cleanup.
 163         * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
 164         * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
 165
 166 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
 167
 168         g++/15861
 169         * mf-runtime.c (__mf_init): Make it non-static.  Tolerate
 170         repeated invocation.
 171
 172 2004-07-09  Frank Ch. Eigler  <fche@redhat.com>
 173
 174         Test case for g++/15861
 175         * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
 176         * testsuite/libmudflap.c++/ctors.exp: Driver.
 177         * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
 178         Look only for *frag* test cases.
 179
 180 2004-07-08  Frank Ch. Eigler  <fche@redhat.com>
 181
 182         ANSI C conversion, libmudflap specialization, recursion limiting.
 183         * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
 184         argument and indirection function pointers, update callers.
 185         (splay_tree_s): Add statistics and recursion control fields
 186         num_keys, max_depth, depth, rebalance_p.
 187         * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
 188         Back out of search if it exceeds limit.
 189         (splay_tree_splay): Manage recursion limiting with rebalancing as
 190         needed.
 191         (splay_tree_new): More initialization.
 192         (splay_tree_rebalance): New function.
 193         (splay_tree_foreach): Rewrite using nonrecursive logic.
 194         (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
 195         Remove.  Point indirect calls to mf-runtime.c's routines.
 196         (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
 197         functions.
 198         (splay_tree_delete, splay_tree_delete_helper): Ditto.
 199         * testsuite/heap-scalestress.c: New test based on one from
 200         Eyal Lebedinsky <eyal@eyal.emu.id.au>:
 201
 202 2004-07-05  Matthias Klose  <doko@debian.org>
 203
 204         * libtool-version: New.
 205         * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
 206         Use -version-info for soname.
 207         * Makefile.in: Regenerate.
 208         * configure.ac: Remove libtool_VERSION macro
 209         * configure: Regenerate
 210
 211 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
 212
 213         * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
 214         __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
 215         #ifndef _MUDFLAP.
 216
 217 2004-06-29  Frank Ch. Eigler  <fche@redhat.com>
 218
 219         Splay tree implementation fork.
 220         * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
 221         Use hard-coded comparison function for uintptr_t.  Remove key/value
 222         deallocation logic.  Cache last splayed key for consecutive lookups.
 223         * Makefile.am, Makefile.in: Use them, don't link to them.
 224         * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
 225         (__mf_find_objects2): Flip successor/predecessor search sequence.
 226         * ansidecl.h, libiberty.h: Removed dummy files.
 227
 228 2004-06-29  Nick Clifton  <nickc@redhat.com>
 229
 230         * configure.ac (AC_CHECK_HEADERS): Add dirent.h
 231         * configure: Regenerate.
 232         * mf-hooks2.c: Surround uses of dirent.h with #ifdef
 233         HAVE_DIRENT_H.
 234         Remove spurious inclusion of <strings.h>.
 235
 236 2004-06-29  Nick Clifton  <nickc@redhat.com>
 237
 238         * mf-runtime.c (pthread_join): Only apply the weak pragma if the
 239         function actually exists.
 240
 241 2004-06-25  Frank Ch. Eigler  <fche@redhat.com>
 242
 243         * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
 244         * config.h.in: Regenerated.
 245
 246 2004-06-24  Frank Ch. Eigler  <fche@redhat.com>
 247
 248         Adopt splay trees for object database.
 249         * Makefile.am: Copy splay-tree.* from libiberty.
 250         * Makefile.in, testsuite/Makefile.in: Regenerated.
 251         * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
 252         * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
 253         * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
 254         * mf-runtime.c: Rewrite code dealing with object database to use
 255         libiberty splay trees.  Remove tree liveness aging option.
 256         * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
 257
 258 2004-06-15  Paolo Bonzini  <bonzini@gnu.org>
 259
 260         * configure.ac: New name of configure.in.  Update
 261         AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
 262         AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
 263         Autoconf 2.5x and Automake 1.7 or later.
 264         * configure.in: Remove.
 265         * configure: Regenerate.
 266
 267         * Makefile.am: Remove useless multilib rules.
 268         * Makefile.in: Regenerate.
 269
 270 2004-06-15  Paolo Bonzini  <bonzini@gnu.org>
 271
 272         * .cvsignore: New file.
 273
 274 2004-06-10  Stephen Crowley  <stephen.crowley@sbcglobal.net>
 275
 276         PR libmudflap/13505
 277         * mf-hooks2.c (semctl): Add cygwin porting hack.
 278
 279 2004-06-09  Frank Ch. Eigler  <fche@redhat.com>
 280
 281         ctype support.
 282         * configure.in: Look for ctype header and glibc implementation.
 283         * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
 284         array hooks for glibc 2.3.
 285         * mf-runtime.h.in: Wrap them.
 286         * mf-runtime.c (__mf_init): Leave marker regarding other ctype
 287         implementations.
 288         * testsuite/libmudflap.c/pass47-frag.c: New test.
 289         * configure, config.h.in: Regenerated.
 290
 291 2004-06-04  Frank Ch. Eigler  <fche@redhat.com>
 292
 293         Portability improvements, e.g., libmudflap/15293.
 294         * configure.in: Look for glibc extension functions.  Look for
 295         support of -f{function,data}-sections.  Look for more headers.
 296         Create testsuite/mfconfig.exp.  Correct more "test x.." thinkos.
 297         * Makefile.am: Use $(SECTION_FLAGS).  Collapse piecemeal-compiled
 298         mf-hooks* into usual single object per source.
 299         * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
 300         * mf-hooks2.c: #include a bunch more system headers.  Define strnlen
 301         if system doesn't provide one.
 302         * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
 303         (pthread_create): Use it to properly GC dead thread stacks.
 304         * mf-runtime.c (__mf_violation): Correct snprintf type warning.
 305         * testsuite/Makefile.am: Stop generating site.exp.
 306         * testsuite/mfconfig.exp.in: New file.
 307         * testsuite/config/default.exp: Load new mfconfig.exp.
 308         * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
 309         (prune_gcc_output): Add glibc static linking warnings.
 310         * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
 311         * testsuite/libmudflap.c/pass46-frag.c: Ditto.
 312         * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
 313         Regenerated with autoconf 2.57 and automake 1.7.
 314
 315 2004-06-04  Per Bothner  <per@bothner.com>
 316
 317         * configure.in (LIBMUDFLAPTH):  Fix thinko.
 318
 319         * configure.in:  Check for more headers.
 320         * mf-hooks2.c:  Conditionalize on HAVE_SYS_SOCKET_H etc.
 321
 322         * mf-runtime.c:  In two places conditionalize on SIUSR1 rather than
 323         HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
 324
 325 2004-06-01  Andreas Jaeger  <aj@suse.de>
 326
 327         * configure.in: Handle multilibs, support
 328         --enable-version-specific-runtime-libs.
 329         * Makefile.am (lib_LTLIBRARIES): Rename to ...
 330         (toolexeclib_LTLIBRARIES): this for multilib support.
 331         * Makefile.in: Regenerated.
 332         * configure: Regenerated.
 333         * aclocal.m4: Regenerated.
 334         * config.h.in: Regenerated.
 335         * testsuite/Makefile.in: Regenerated.
 336
 337 2004-06-01  Andreas Jaeger  <aj@suse.de>
 338
 339         * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
 340         multilibs, using multilib directory instead of hardcoded path.
 341         Set LD_RUN_PATH.
 342
 343 2004-05-21  Frank Ch. Eigler  <fche@redhat.com>
 344
 345         * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
 346         * Makefile.in: Ditto.
 347
 348 2004-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
 349
 350         * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
 351         * aclocal.m4, configure: Rebuilt.
 352
 353 2004-05-17  Frank Ch. Eigler  <fche@redhat.com>
 354
 355         * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
 356         import some build settings from libstdc++-v3 testsuite_flags.
 357         * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
 358         changes to pass test language.
 359
 360         * mf-runtime.c (__mfu_check): Poison the cache with antidote for
 361         quicker mode-nop handling.
 362
 363 2004-03-25  Frank Ch. Eigler  <fche@redhat.com>
 364
 365         * mf-impl.h: Added libgcc license header.
 366
 367 2004-03-20  Frank Ch. Eigler  <fche@redhat.com>
 368
 369         * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
 370         Added libgcc license header.
 371         * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
 372         (pthread_create): Simplify stack allocation syntax.
 373
 374 2004-03-08  Loren J. Rittle  <ljrittle@acm.org>
 375
 376         * mf-hooks2.c: Support FreeBSD.
 377         (WRAP_gets): Avoid gets().
 378         * testsuite/libmudflap.c/pass-stratcliff.c: Do not
 379         test unimplemented mem/str calls on FreeBSD.
 380         * testsuite/libmudflap.c/pass21-frag.c: Do not include
 381         <alloca.h> on FreeBSD.
 382
 383 2004-01-30  Frank Ch. Eigler  <fche@redhat.com>
 384
 385         * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
 386         * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
 387         * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
 388         flags for static linking permutation.
 389         * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
 390         some pthreads code that croaks on linux glibc tls.
 391
 392 2004-01-27  Frank Ch. Eigler  <fche@redhat.com>
 393
 394         * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
 395
 396 2004-01-15  Frank Ch. Eigler  <fche@redhat.com>
 397
 398         * testsuite/libmudflap.c/pass44-frag.c: New test.
 399
 400 2004-01-12  Frank Ch. Eigler  <fche@redhat.com>
 401
 402         * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
 403
 404 2004-01-08  Frank Ch. Eigler  <fche@redhat.com>
 405
 406         * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
 407
 408 2003-12-11  Frank Ch. Eigler  <fche@redhat.com>
 409
 410         * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
 411
 412 2003-12-08  Andrew Pinski  <pinskia@physics.uc.edu>
 413
 414         PR libmudflap/12670
 415         * configure.in: Add check for see if
 416         socklen_t typedef is in sys/socket.h.
 417         * mf-hooks1.c: Add define if socklen_t
 418         is not typedef.
 419         * mf-hooks2.c: Likewise.
 420         * mf-hooks3.c: Likewise.
 421         * config.h.in: Regen.
 422         * configure: Regen.
 423
 424 2003-12-08  Frank Ch. Eigler  <fche@redhat.com>
 425
 426         * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
 427         * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
 428         optimizations.
 429         * testsuite/libmudflap.c/pass25-frag.c: Ditto.
 430         * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
 431         (unoptimized) allocation of stack space.
 432
 433 2003-12-07  Richard Henderson  <rth@redhat.com>
 434
 435         * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
 436         * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
 437
 438 2003-12-06  Andrew Pinski <apinski@apple.com>
 439
 440         partial PR libmudflap/12670
 441         * mf-hooks1.c: Respect Darwin checks.  Conditionalize POSIX_SOURCE.
 442         * mf-hooks2.c: Likewise.
 443         * mf-hooks3.c: Likewise.
 444
 445 2003-11-19  Frank Ch. Eigler  <fche@redhat.com>
 446
 447         libstdc++/11696
 448         * mf-runtime.h.in: Switch to #pragma redefine_extname for
 449         symbols interposed at compile time.
 450         * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
 451
 452         libmudflap/12939
 453         * mf-hooks2.c (semctl): Tolerate FreeBSD.
 454
 455         * configure.in: Reorganize check for <pthread.h>.
 456         * configure: Regenerated.
 457
 458 2003-11-04  David Edelsohn  <edelsohn@gnu.org>
 459
 460         * mf-runtime.c (_ALL_SOURCE): Define for AIX.
 461         (_LARGE_FILE_API): Define for AIX.
 462         * mf-hooks[123]: Same.
 463         (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
 464
 465 2003-10-21  David Edelsohn  <edelsohn@gnu.org>
 466
 467         * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
 468
 469 2003-07-29  Frank Ch. Eigler  <fche@redhat.com>
 470
 471         2003-07-29  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
 472
 473         * configure.in: Update check for union semun.
 474
 475 2003-07-29  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
 476
 477         PR other/11673
 478         * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
 479
 480 2003-07-29  Frank Ch. Eigler  <fche@redhat.com>
 481
 482         PR other/11673
 483         * configure.in: Add checks for 64-bit LFS functions, struct semun
 484         definition, for BSD compatibility.
 485         * mf-hooks1.c: Respect BSD checks.  Conditionalize POSIX_SOURCE.
 486         * mf-hooks2.c: Ditto.  Include <strings.h> for bcmp* decls.
 487         * mf-hooks3.c: Ditto.
 488         (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
 489         mmap flag.
 490         * configure, config.h.in: Regenerated.
 491
 492 2003-07-23  Frank Ch. Eigler  <fche@redhat.com>
 493
 494         Multithreading fixes:
 495         * mf-runtime.c (__mf_object): Store allocating/deallocating
 496         thread id.
 497         (options): Support new "-thread-stack" option.
 498         Rename "-heur-argv-environ" option to "-heur-stdlib".
 499         Disable "-lc-mask" and "-lc-shift" options.
 500         (__mf_dynamic): Add function pointers for pthread_join/_exit.
 501         (__assert_fail): New self-contained function for glibc.
 502         * mf-hooks3.c: Essentially rewritten, particularly related to
 503         use of __mf_pthread_info array.
 504         (pthread_join, _exit): New hook functions.
 505         * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
 506         * testsuite/libmudflap.cth/pass40-frag.c: New test.
 507
 508         Warning cleanups:
 509         * mf-heuristics.c: Add type casts for tracing, sub calls.
 510         * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
 511         Update all callers to declare explicit result holder.
 512         (END_PROTECT): Removed.
 513         * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
 514
 515 2003-07-15  Diego Novillo  <dnovillo@redhat.com>
 516
 517         * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
 518         * testsuite/libmudflap.c/fail15-frag.c: Likewise.
 519         * testsuite/libmudflap.c/fail13-frag.c: Likewise.
 520
 521 2003-07-04  Frank Ch. Eigler  <fche@redhat.com>
 522
 523         * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
 524         * mf-hooks: Removed.
 525         * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
 526         Move these macros from old mf-hooks.c here.
 527         * Makefile.am: Adapt to split-up hook sources for faster builds.
 528         * Makefile.in: Regenerated.
 529
 530         * mf-heuristics.c: Remove #if-0 block.
 531
 532         * mf-impl.h (__mf_state): Reorganize declaration and implementation.
 533         (__mf_starting_p): New state only for use while dlsym bootstrapping.
 534         (CALL_REAL, __mf_init): Corresponding changes.
 535         (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix.  Update
 536         all callers to remove redundant "mf:" prefix.
 537         * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
 538         * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
 539         (__mf_pthread_info): Become a hash table.
 540
 541         * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
 542         "dg-repetitions" directives to control test case execution.
 543         * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
 544         options.
 545         * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
 546
 547 2003-06-25  Frank Ch. Eigler  <fche@redhat.com>
 548
 549         * mf-hooks.c (alloca): Separate into stub.
 550         (__mf_wrap_alloca_indirect): New function.  Use CALL_REAL
 551         malloc/free for alloca blocks.
 552         (pthread_create): Tolerate failing pthread_attr_get* calls.
 553         * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
 554         * mf-impl.h (CALL_WRAP): Remove macro.
 555         * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
 556         * testsuite/libmudflap.c/pass23-frag.c: Include more struct
 557         padding for ia64 BIT_FIELD_REF constructs.
 558
 559 2003-06-19  Frank Ch. Eigler  <fche@redhat.com>
 560
 561         * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
 562         (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
 563         libmudflap object type.
 564         * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
 565         crashes on unregistering STATIC objects.
 566
 567 2003-06-17  Frank Ch. Eigler  <fche@redhat.com>
 568
 569         Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
 570         * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
 571         (time, strerror, fopen, fopen64, fclose, fread): New hooks.
 572         (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
 573         (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
 574         (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
 575         (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
 576         (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
 577         (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
 578         (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
 579         (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
 580         (accept, bind, connect, gethostname, sethostname): New hooks.
 581         (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
 582         (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
 583         (semop, semctl, shmctl, shmat, shmdt): New hooks.
 584         * mf-runtime.h.in: Corresponding changes.
 585         * mf-runtime.c (__mf_ini): Register stdio objects.  Use STATIC type.
 586         (opts) Rename heur_argv_environ to heur_std_data.
 587         (__mf_wrap_main): Use STATIC type for argv/environ strings.
 588         * Makefile.am: Corresponding changes.
 589         * Makefile.in: Regenerated.
 590
 591 2003-06-11  Frank Ch. Eigler  <fche@redhat.com>
 592
 593         * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
 594         heuristic for threaded case, and for non-x86-linux targets.
 595         * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
 596         for use during pre-main() program startup.
 597         (__mf_0fn_*): Make these functions non-static.
 598         * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
 599         functions.
 600         * mf-runtime.c (__mf_state): Set initial state to "starting".
 601         (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
 602         (__wrap_main): New function to register argv[] and environ[] strings.
 603         (__mf_ini): Call it.
 604         (*): In all trace functions, use "%p" as formatter for uintptr_t.
 605
 606         * testsuite/libmudflap.c/pass38-frag.c: New test case.
 607         * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
 608
 609         * acinclude.m4: Add comments with aoliva's concerns about x86_64
 610         pass_all.
 611         * aclocal.m4, configure: Regenerated.
 612
 613 2003-06-04  Frank Ch. Eigler  <fche@redhat.com>
 614
 615         * acinclude.m4: Correct typo in AC_MSG_CHECKING.
 616         * aclocal.m4, configure: Regenerated.
 617
 618 2003-06-03  Frank Ch. Eigler  <fche@redhat.com>
 619
 620         * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
 621         for x86_64 target.  Disable caching for this value.
 622         * aclocal.m4, configure: Regenerated.
 623
 624 2003-06-02  Frank Ch. Eigler  <fche@redhat.com>
 625
 626         * testsuite/libmudflap.c/pass38-frag.c: Deleted.  -fwritable-strings
 627         is about to become deprecated, and its present handling bugs are
 628         unworthy of fixing.
 629
 630 2003-05-30  Frank Ch. Eigler  <fche@redhat.com>
 631
 632         * testsuite/libmudflap.c/pass38-frag.c: New test for
 633         -fwritable-strings.
 634
 635 2003-05-23  Frank Ch. Eigler  <fche@redhat.com>
 636
 637         * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
 638         __mf_report, asserting reentrant calling context.
 639
 640 2003-05-23  Frank Ch. Eigler  <fche@redhat.com>
 641
 642         * mf-hooks.c (realloc): Correct reentrancy logic.
 643         * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
 644
 645 2003-05-20  Frank Ch. Eigler  <fche@redhat.com>
 646
 647         * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
 648         PTHREAD_THREADS_MAX.  Update users.
 649         * mf-runtime.c (__mf_usage): Print [active] instead of [default]
 650         for active options.
 651         * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
 652         with libmudflapth presence indicator.
 653         * testsuite/Makefile.in: Regenerated.
 654
 655 2003-05-16  Frank Ch. Eigler  <fche@redhat.com>
 656
 657         * Makefile.am (AM_CFLAGS): Remove "-ansi".
 658         * configure.in: Remove silly no-pthreads => no-shared logic.
 659         * Makefile.in, configure: Regenerated.
 660         * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
 661         * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
 662         code.  Count reentrancy events.
 663         (all hook functions): Don't directly manipulate __mf_state variable.
 664         Add TRACE calls to hook functions without them.
 665         * mf-impl.h (LOCKTH): Try to count lock contention events.
 666         (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
 667         * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
 668         Reorganize reentrancy code.
 669         (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
 670         identify reentrancy with mutex holding times.
 671         (internal __mfu_ entry points): Remove internal reentrancy code.
 672         (__mf_init): Use ordinary locked calls.
 673         (__mfu_report): Print the two new counts.
 674         * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
 675         * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
 676         * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
 677         * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
 678         option defaults.
 679
 680 2003-05-09  Frank Ch. Eigler  <fche@redhat.com>
 681
 682         * configure.in: Add pthread support, plus glibc and porting hacks.
 683         * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
 684         from objects built into ./pth/.
 685         * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
 686         functions for internal entry points.  Update callers to pick
 687         locked vs. unlocked variants.
 688         (__mf_resolve_single_dynamic): Extend to support symbol versioning
 689         info coming in from a static data structure.
 690         (*): Reorder miscellaneous declarations to group data vs functions.
 691         (__mf_set_default_options): Simplify.
 692         (__mf_usage): Mention threading status of host executable.
 693         * mf-impl.h: Move max/min decls here.  Reorganize __mf_dynamic
 694         decls to match above.
 695         (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
 696         * mf-heuristics.c: Choose between locked/unlocked calls.  Add
 697         some lock/unlock markers.  Remove some unused code.
 698         * mf-hooks: Ditto.
 699         (pthread_create): New hook function.
 700         (__mf_pthread_cleanup, _spawner): New helper functions.
 701         * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
 702
 703 2003-05-02  Frank Ch. Eigler  <fche@redhat.com>
 704
 705         * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
 706
 707 2002-04-28  Frank Ch. Eigler  <fche@redhat.com>
 708
 709         * Makefile.am (HOOKOBJS): Add *time related hooks.
 710         * configure.in: Look for pthreads.h header.
 711         * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
 712         * mf-runtime.c: Begin sketching some pthreads support.
 713         (__mf_usage): Check for -lpthread presence.
 714         (__mf_unregister): Confirm matching unregistration base.
 715         (__mf_find_objects_rec): Reduce unnecessary recursion.
 716         * mf-runtime.h.in: Add "nothrow" attribute to functions.  Add
 717         #defines for new hook functions.
 718         * mf-impl.h: Corresponding changes.
 719         * config.h.in, configure, Makefile.in: Regenerated.
 720
 721 2002-04-27  Diego Novillo  <dnovillo@redhat.com>
 722
 723         * testsuite/libmudflap.c/fail1-frag.c: Add volatile
 724         modifiers to prevent being optimized away.
 725         * testsuite/libmudflap.c/fail10-frag.c: Likewise.
 726         * testsuite/libmudflap.c/fail13-frag.c: Likewise.
 727         * testsuite/libmudflap.c/fail14-frag.c: Likewise.
 728         * testsuite/libmudflap.c/fail15-frag.c: Likewise.
 729         * testsuite/libmudflap.c/fail2-frag.c: Likewise.
 730         * testsuite/libmudflap.c/fail20-frag.c: Likewise.
 731         * testsuite/libmudflap.c/fail3-frag.c: Likewise.
 732
 733 2003-04-15  Frank Ch. Eigler  <fche@redhat.com>
 734
 735         * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
 736         * configure.in: Look for uintptr_t and -ldl on target.
 737         * mf-runtime.h.in: Adjust uintptr_t declaration logic.
 738         * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
 739         * testsuite/Makefile.in: Regenerated.
 740         * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
 741         for better C compliance.
 742
 743 2003-04-15  Frank Ch. Eigler  <fche@redhat.com>
 744
 745         * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
 746         prevention code.
 747         * mf-runtime.c (__mf_set_default_options): Turn off
 748         check-initialization.
 749         (__mf_describe_object): Shorten description.
 750         * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
 751
 752 2003-04-07  Frank Ch. Eigler  <fche@redhat.com>
 753
 754         * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
 755
 756 2003-04-02  Frank Ch. Eigler  <fche@redhat.com>
 757
 758         * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
 759         calls specially.
 760         (__mf_0fn_malloc ... _munmap): New dummy backup calls.
 761         * mf-impl.h (CALL_BACKUP): New macros.
 762         * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
 763
 764 2003-03-31  Frank Ch. Eigler  <fche@redhat.com>
 765
 766         * Makefile.am (AM_CFLAGS): Remove optimization flags.
 767         (HOOKOBJS): Remove dlopen hook.
 768         (libmudflap_la_LIBADD): Add -ldl.
 769         * mf-hooks.c (dlopen): Remove hook.
 770         * mf-impl.h (__mf_dynamic): Ditto.
 771         * mf-runtime.c (__mf_resolve_dynamics): Ditto.
 772         * Makefile.in: Regenerated.
 773
 774 2003-03-28  Frank Ch. Eigler  <fche@redhat.com>
 775
 776         * configure.in: Check for target gettimeofday, signal, some headers.
 777         * mf-impl.h (__mf_opts): Add new "sigusr1_report" field.  Comment
 778         out inop multi_threaded field.
 779         * mf-runtime.c (options): Handle new "-sigusr1-report" option.
 780         (__mf_set_options): Correct handling of "-help".
 781         (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
 782         (__mf_check, __mf_register, __mf_unregister): Call it.
 783         (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
 784         (__mf_report_leaks): Make callable
 785         (__mf_tree_analyze): Traverse in-order.  Accumulate address bit
 786         distribution statistics.
 787         (__mf_adapt_cache): Rewrite shift guessing logic based on address
 788         bit distributions.
 789         * config.h.in, configure: Regenerated.
 790         * testsuite/libmudflap.c/fail27-frag.c: New test.
 791         * testsuite/libmudflap.c/pass36-frag.c: New test.
 792
 793 2003-03-11  Frank Ch. Eigler  <fche@redhat.com>
 794
 795         * mf-runtime.h.in: Tweak.
 796         * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
 797         Don't use intermediate files nor AC_OUTPUT-time postprocessing.
 798         * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
 799
 800 2003-03-10  Frank Ch. Eigler  <fche@redhat.com>
 801
 802         * configure.in: Tweak generation of mf-runtime.h some more.  It
 803         needs to work from both config.status and configure.
 804         * configure: Regenerated.
 805
 806 2003-03-10  Frank Ch. Eigler  <fche@redhat.com>
 807
 808         * Makefile.am: Reorganize hook file building.  Add auto dependencies.
 809         * configure.in: Tweak generation of mf-runtime.h.
 810         * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
 811         * mf-hooks.c (*): Adapt to initialized-heap object type.
 812         * mf-impl.h: Tweak cemetary boundaries.
 813         * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
 814         type.
 815         (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
 816         (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
 817         * testsuite/lib/libmudflap.exp (includes): Include build tree.
 818         * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
 819         checking.
 820         * testsuite/.../fail{25,26}-frag.c: New tests.
 821         * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
 822         * Makefile.in, configure: Regenerated.
 823
 824 2003-03-05  Frank Ch. Eigler  <fche@redhat.com>
 825
 826         * mf-runtime.c (__mf_set_default_options): Turn on initialization
 827         checking by default.
 828         (__mf_insert_new_object): As a temporary hack, assume that new
 829         objects registered on the stack start out initialized.
 830         * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
 831         heap objects by hand.
 832
 833 2003-03-05  Frank Ch. Eigler  <fche@redhat.com>
 834
 835         Switch to macro-style hooks for str*/mem*/b* functions.
 836         * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
 837         (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
 838         * mf-runtime.c: #include config.h to enable glibc backtraces again.
 839         (__mf_set_default_options): Turn off heur_proc_map.
 840         (*): Adapt to to macro-style hook functions.
 841         (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
 842         (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
 843         (__mf_violation): Handle __MF_VIOL_WATCH.
 844         * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
 845         (__mf_dynamic): Removed mem*/str*/b* functions.
 846         (TRACE, VERBOSE_TRACE): Add reentrancy locking.
 847         (WRAPPER2): New macro for macro-style hooks.
 848         * mf-hooks.c: Convert mem*/str*/b* functions to simpler
 849         macro-style hooks.
 850         (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
 851         * mf-heuristics.c: Adapt to macro-style hook functions.
 852         Correct some comments.
 853         * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
 854         output pattern tests.
 855         * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
 856         * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
 857
 858 2003-02-28  Frank Ch. Eigler  <fche@redhat.com>
 859
 860         * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
 861         for global array registration.
 862         * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
 863         * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
 864
 865 2003-02-27  Frank Ch. Eigler  <fche@redhat.com>
 866
 867         * Makefile.am: Add gross make bug workarounds.  Tweaked
 868         SUBDIRS and AM_CFLAGS.
 869         * Makefile.in: Regenerated.
 870
 871 2003-02-26  Frank Ch. Eigler  <fche@redhat.com>
 872
 873         Switch to dejagnu.
 874         * configure.in (AC_PROG_CXX): Don't look for C++ any more.
 875         * Makefile.am (TESTS): Remove simple automake testing.
 876         * configure, Makefile.in: Regenerated.
 877         (SUBDIRS): Include new testsuite/ directory.
 878         * tests/*: Removed all files; moved bulk under:
 879         * testsuite/*: New subdirectory tree.
 880         * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
 881         * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
 882         * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
 883         * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
 884         * testsuite/config/default.exp: New file.
 885         * testsuite/Makefile.am, Makefile.in: New files.
 886
 887 2003-01-29  Frank Ch. Eigler  <fche@redhat.com>
 888
 889         * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
 890         (TESTS): Add fail22 and pass29 tests.
 891         * mf-runtime.h.in: Change API to take void*/size_t region parameters.
 892         Add new access-type parameter for __mf_check.  Move __MF_VIOL* out.
 893         * mf-impl.h: Corresponding changes.  Update CLAMP* macros for void*
 894         values.  Move __MF_VIOL* here.
 895         * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
 896         (check_initialization): New field in __mf_opts.  Default off.
 897         (read_count,write_count): New fields in __mf_object.
 898         (__mf_check): Implement basic initialization checking.
 899         (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
 900         (__mf_describe_object): Print new fields.
 901         (__mf_violation): Identify check/read vs. check/write in messages.
 902         * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
 903         "-check-initialized" mudflap option.
 904         * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
 905         * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
 906         Drop __FILE__/__LINE__ hack.  Update callers.
 907         (*): Adapt to new mf-runtime.h API.
 908         * Makefile.in: regenerated.
 909
 910 2003-01-24  Frank Ch. Eigler  <fche@redhat.com>
 911
 912         * configure.in: Build mf-runtime.h a more proper way.
 913         * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
 914         * mf-runtime.c (verbose_violations): Turn on by default.
 915         * mf-runtime.h.in: Remove some miscellaneous stuff ...
 916         * mf-impl.h: ... and move it here.
 917         * configure: Regenerated.
 918
 919 2003-01-22  Frank Ch. Eigler  <fche@redhat.com>
 920
 921         * configure.in: Look for C++ compiler.
 922         * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
 923         fixed type warnings when built with C++.
 924         * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
 925         * Makefile.am (TESTS): Run them.
 926         (*) Add new rules for building and running C++ tests.
 927         (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
 928         * mf-runtime.h.in: Protect with extern "C".
 929         * Makefile, configure: Regenerated.
 930
 931 2003-01-06  Frank Ch. Eigler  <fche@redhat.com>
 932
 933         Portability improvements.
 934         * configure.in: Look for glibc backtrace headers/functions.
 935         * mf-hooks.c: Don't include <execinfo.h> any more.
 936         * mf-runtime.c (__mf_set_options): Call more stdlib functions
 937         via CALL_REAL.
 938         (__mf_backtrace): Provide alternate baby implementation in
 939         absence of glibc.
 940         * test/mf-driver.c: Portability tweaks.
 941         * acinclude.m4: New file, containing top level libtool.m4.
 942         * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
 943
 944 2002-12-19  Frank Ch. Eigler  <fche@redhat.com>
 945
 946         * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
 947
 948 2002-11-08  Frank Ch. Eigler  <fche@redhat.com>
 949
 950         * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
 951         options.
 952         (__mf_unregister): Implement stack/heap object wiping.
 953         (__mf_set_options): Renamed from __mf_process_opts.
 954         (__mf_uncache_object): Change arg type, correct callers.
 955         * mf-impl.h: Corresponding changes.
 956         * mf-hooks.c (realloc): Save/restore heap-wiping flag.
 957         * mf-runtime.h.in (__mf_set_options): Extend public API.
 958         * test/pass26-frag.c: New test for stack wiping.
 959         * Makefile.am (TESTS): Run it.
 960         * Makefile.in: Regenerated.
 961
 962 2002-11-07  Frank Ch. Eigler  <fche@redhat.com>
 963
 964         * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
 965         * mf-runtime.c (__mf_object_t): Add watching_p field.
 966         (__mf_watch_or_not): New function to implement
 967         object watch flagging.
 968         (__mf_watch, __mf_unwatch): New wrappers for above.
 969         (__mf_check, __mf_describe_object): Handle objects with watching_p.
 970         (__mf_count_violation): Enlarge array.
 971         (__mf_uncache_object): Renamed from __mf_remove_old_object.  Don't
 972         unlink object.  Clear cache properly.
 973         (__mf_unregister): Unlink object explicitly before uncaching.
 974         * test/fail21-frag.c, pass25-frag.c: New tests.
 975         * Makefile.in, aclocal.m4: Regenerated.
 976
 977 2002-11-05  Frank Ch. Eigler  <fche@redhat.com>
 978
 979         * test/fail20-frag.c: New test for NULL pointer dereferencing.
 980         * Makefile.am (TESTS): Add it.
 981         * test/pass-stratcliff.c: Add decls of stpcpy.
 982         * configure.in: Test for <stdint.h>.  Generate mf-runtime.h in
 983         build tree from config.h and new file mf-runtime.h.in.
 984         * mf-runtime.h.in: Renamed from mf-runtime.h.  Tweak uintptr_t decl.
 985         * Makefile.in, configure, config.h.in: Regenerated.
 986         * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
 987         * mf-runtime.c (options, __mf_set_default_options): Support new
 988         default "abbreviate" option.
 989         (__mf_object.description_epoch): New field.
 990         (__mf_describe_object): Conditionally abbreviate objects already
 991         displayed in current epoch.  Accept NULL input to increment epoch.
 992         (__mf_fini, __mf_ini): Reset description epoch.
 993         (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
 994         that NULL pointer slot in lookup cache is invalidated.  Register a
 995         NOACCESS region around NULL.
 996         * mf-impl.h: Corresponding changes.
 997
 998 2002-10-16  Frank Ch. Eigler  <fche@redhat.com>
 999
1000         * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1001         * Makefile.am: Run them.  Install mf-runtime.h.
1002         * Makefile.in: Regenerated.
1003         * mf-hooks.c: Add some markers for more missing functions.
1004         * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1005         statistic to tune tune cache size (mask).
1006
1007 2002-10-01  Frank Ch. Eigler  <fche@redhat.com>
1008
1009         * test/pass23-frag.c: New test for bit_field_ref expressions.
1010         * Makefile.am, Makefile.in: Add new test.
1011         * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1012         (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1013         * mf-runtime.c (__mf_init): Register errno global.
1014         (__mf_find_object): Removed function.
1015         (__mf_check): Rewrite logic to support accesses across some
1016         contiguous but distinctly registered objects.
1017         (__mf_remove_old_object): Tolerate cache entries that span
1018         contiguous objects.
1019
1020 2002-09-30  Frank Ch. Eigler  <fche@redhat.com>
1021
1022         * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1023         * Makefile.am, Makefile.in: Run new tests.
1024         * mf-hooks.c (alloca): Correct stack direction logic.
1025
1026 2002-09-26  Frank Ch. Eigler  <fche@redhat.com>
1027
1028         * mf-impl.h (adapt_cache): New option.
1029         * mf-runtime.c (__mf_set_default_options): Set its default value.
1030         Tweak the tree_aging parameter down.
1031         (__mf_check): Maintain separate counter for cache-adaptation.
1032         (__mf_tree_analyze): New function to collect object tree stats.
1033         (__mf_adapt_cache): New function to automate cache parameters.
1034
1035 2002-09-24  Frank Ch. Eigler  <fche@redhat.com>
1036
1037         * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1038         hypothetical #if-0'd argv/envp region registration.
1039         * mf-runtime.c (__mf_init): Add kludged form of above.
1040         (*) Add "heur_argv_environ" flag, default on, to govern this.
1041         * mf-impl.h: Corresponding changes.
1042
1043 2002-09-20  Frank Ch. Eigler  <fche@redhat.com>
1044
1045         * test/fail18-frag.c: New test file for NOACCESS regions.
1046         * Makefile.am (TESTS): Add new test.
1047         * Makefile.in: Regenerated.
1048
1049         * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1050         * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1051         (optimize_object_tree): Remove unused mudflap_option.
1052         * mf-runtime.h (__MF_TYPE_NOACCESS): New region type.  Add printing
1053         support throughout.  Use .._MAX_CEM for cemetary upper bound.
1054         * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1055         regions.
1056         (__mf_object): Add new liveness field for use by tree aging.
1057         (__mf_check): Trigger tree aging when needed.
1058         (__mf_age_tree): New function to decay liveness field.
1059         (__mf_find_objects_rec): Use liveness field to rotate tree.
1060         (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1061         (__mf_unregister): Ditto.
1062         (__mf_register): Tweak duplicate-static message.
1063         (__mf_violation: Tweak nearby-object counter printing.
1064
1065 2002-09-16  Frank Ch. Eigler  <fche@redhat.com>
1066
1067         * test/pass20-frag.c: New test file.
1068         * Makefile.am (TESTS): Reorganize.  Add pass20 test.
1069         * Makefile.in: Regenerated.
1070
1071         * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros.  Update callers.
1072         * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1073         * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1074         entries to avoid repeat registration.
1075         * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1076         (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1077
1078 2002-09-09  Frank Ch. Eigler  <fche@redhat.com>
1079
1080         * Makefile.am: Create test sources with #include, not cat>>.
1081         * Makefile.in: Regenerated.
1082         * test/buildtest.sh: Removed.
1083         * test/driver.c (abort_handler, main): Be quiet.
1084
1085 2002-09-06  Frank Ch. Eigler  <fche@redhat.com>
1086
1087         * test/pass18-frag.c, pass19-frag.c: New tests.
1088         * Makefile.am (check): Run them.  Rebuild test programs each time.
1089         * Makefile.in: Regenerated.
1090
1091 2002-09-06  Frank Ch. Eigler  <fche@redhat.com>
1092
1093         * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1094         overlapping object search.
1095         (__mf_violation): Likewise for nearby objects.
1096         Improve nearby-object listing.
1097
1098         cleanup:
1099         * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1100         * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1101
1102 2002-09-03  Frank Ch. Eigler  <fche@redhat.com>
1103
1104         alloca support:
1105         * Makefile.am (AM_CFLAGS): New definition of needed settings.
1106         (HOOKOBJS): Add alloca-hook.o.
1107         * mf-hooks.c (alloca): New function to implement alloca in libiberty
1108         style.
1109         * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1110         (__mf_backtrace): Reimplement without using alloca.
1111         * Makefile.in: Regenerated.
1112
1113         cleanup:
1114         * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1115         Correct signedness bugs in length-tracking variables.
1116         * mf-impl.h: Make options unsigned.
1117         (CALL_WRAP): New macro to parallel CALL_REAL().
1118         (DECLARE): Remove erroneous ";" at end.
1119         * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1120         formatting specs with %08lx.  Correct several compiler warnings.
1121
1122 2002-08-28  Frank Ch. Eigler  <fche@redhat.com>
1123
1124         * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1125
1126 2002-08-27  Frank Ch. Eigler  <fche@redhat.com>
1127
1128         libmudflap hook breakup:
1129         * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1130         for libgcc_s.
1131         (TESTS): Make dependent on libmudflap.
1132         (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1133         compiled from segments of mf-hooks.c.
1134         * mf-hooks.c: Corresponding changes: wrap each function in
1135         #ifdef/#endif.
1136         * Makefile.in: Regenerated.
1137
1138         Heuristics reorganization:
1139         * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1140         Remove these functions.  Update callers.
1141         (__mf_heuristic_check): Incorporate all the various heuristics.
1142         Encode cacheability/retry judgement into trinary return value.
1143         Separate start-end logic into a separate fallback heuristic.  Only
1144         register relevant /proc/self/map segments.
1145         * mf-impl.h: Corresponding changes.
1146         * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1147         (__mf_init): Don't call __mf_init_heuristics.
1148
1149         Tracing cleanup:
1150         * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1151         "-verbose-trace" to emit all tracing messages other than those of
1152         basic public api.  Eliminate some duplicate/excessive messages.
1153         * mf-runtime.h: Corresponding changes.
1154
1155 2002-08-27  Graydon Hoare  <graydon@redhat.com>
1156
1157         * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1158         and __real when compiled with -DPIC.
1159         * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1160         * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1161         * Makefile.in: Regenerate.
1162
1163 2002-08-26  Graydon Hoare  <graydon@redhat.com>
1164
1165         * mf-impl.h: New file, private implementation header.
1166         * mf-runtime.h: Reorganize a bit.
1167         (CLAMPSZ): Fix arithmetic.
1168         (__MF_CACHE_MISS_P): Fix arithmetic.
1169         * mf-runtime.c: Reorganize a bit.
1170         (__mf_dynamic): New structure.
1171         (resolve_single_dynamic): New function.
1172         (__mf_resolve_dynamics): New function.
1173         (__mf_init): Initialize dynamic wrappers.
1174         * mf-hooks.c: Macro-ize __real calls.
1175         Clamp various bits of arithmetic.
1176         Add explicit __mf_check call contexts.
1177         * Makefile.am: Add dependencies on mf-impl.h
1178         * Makefile.in: Regenerate.
1179         * configure.in: Comment out shared override.
1180         * configure: Regenerate.
1181
1182 2002-08-22  Graydon Hoare  <graydon@redhat.com>
1183
1184         * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1185         (__mf_check): Re-inialize and check heuristics before violation.
1186         (__mf_register): Permit updating pure-guess regions.
1187         * mf-hooks.c (__wrap_free): Correct some free queue logic.
1188         (__wrap_dlopen): New wrapper function.
1189         (__wrap_mmap): New wrapper function.
1190         (__wrap_munmap): New wrapper function.
1191         * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1192         which are not stack addresses.
1193         (is_stack_address): New function.
1194         (__mf_init_heuristics): Save and restore state, always initialize with
1195         "starting" state.
1196
1197 2002-08-21  Frank Ch. Eigler  <fche@redhat.com>
1198
1199         * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1200         error.  Pass location string.
1201         (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1202         * mf-runtime.c (options): Add lc-mask, lc-shift options.
1203         (__mf_process_opts): Apply some sanity checking for lc-mask.
1204         (__mf_check, __mf_violation): Take new location-string argument.
1205         Update callers to pass NULL if necessary.
1206         (__mf_backtrace): New smart backtracer function.  Calls replace
1207         several ad-hoc blocks elsewhere.
1208         (__mf_describe_object): Remove bad reentrancy test.  Improve
1209         tracing message.
1210         * mf-runtime.h: Corresponding changes.  Public/private markup.
1211         (__MF_CACHE_MISS_P): New macro.
1212
1213 2002-08-20  Graydon Hoare  <graydon@redhat.com>
1214
1215         * mf-runtime.h: New option: stack_bound (heuristic).
1216         Move some macros out of implementation files.
1217         * mf-runtime.c: New option string: -stack-bound.
1218         Unify recursion protection with hooks.
1219         Add more logging.
1220         (__mf_check): Call __mf_heuristic_check.
1221         (__mf_process_opts): Fix "no-" processing.
1222         * mf-heuristics.c (__mf_heuristic_check): New function.
1223         * mf-hooks.c: Much off-by-one fixing, recursion protection.
1224
1225 2002-08-20  Frank Ch. Eigler  <fche@redhat.com>
1226
1227         Option parsing improvements, region splitting bug fixes:
1228         * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1229         * mf-runtime.h (heur_proc_map): New libmudflap option.
1230         * mf-runtime.c (__mf_set_default_options): Set it.
1231         (__mf_usage): Print default values/status.
1232         (__mf_process_opts): Support general "no-" option string prefix.
1233         (__mf_init): Print __mf_usage on unknown-option error.
1234         (__mf_register): Print trace message up front.
1235         Correct region splitting logic for case where a subregion disappears.
1236         Correct memory leak.
1237         (__mf_violation): Make even basic message conditional on option.
1238
1239         Build cleanup:
1240         * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1241         (clean-local): New target.
1242         (test/*x rules): Add -g CFLAGS.
1243         (CFLAGS): Add -freorder-blocks.
1244         (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1245         * Makefile.in: Regenerated.
1246         * Makefile, mf-config.h: Removed files.
1247
1248 2002-08-16  Graydon Hoare  <graydon@redhat.com>
1249
1250         * mf-runtime.c (__mf_insert_new_object): Factor out of
1251         __mf_register.
1252         (__mf_remove_old_object): Factor out of __mf_unregister.
1253         (__mf_register): Handle guessed regions, splitting
1254         guesses when new registrations arrive.
1255         (__mf_unregister): Do not unregister guesses.
1256         * mf-runtime.h: Move convenience macros around,
1257         declare new option fields. Add __MF_TYPE_GUESS.
1258         * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1259         (__wrap_free): Call __real_free for deferred frees.
1260         * Makefile.am: Add more tests, fix dependency.
1261         * Makefile.in: Regenerate.
1262         * test/pass[13..17]-frag.c: New testcases.
1263         * test/fail[13..17]-frag.c: New testcases.
1264
1265 2002-08-15  Graydon Hoare  <graydon@redhat.com>
1266
1267         * mf-heuristics.c: New file.
1268         * mf-runtime.c (options): Add -trace-calls option.
1269         (__mf_init): Call __mf_init_heuristics.
1270
1271 2002-08-14  Graydon Hoare  <graydon@redhat.com>
1272
1273         * Makefile.am (TESTS): Add testsuite support.
1274         * Makefile.in: Regenerate.
1275         * test/mf-driver.c: New file.
1276         * test/buildtest.sh: New file.
1277         * test/passNN-frag.c: New testcases.
1278         * test/failNN-frag.c: New testcases.
1279
1280 2002-08-14  Graydon Hoare  <graydon@redhat.com>
1281
1282         * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1283         verifying non-size-limited string extents.
1284
1285 2002-08-14  Frank Ch. Eigler  <fche@redhat.com>
1286
1287         * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1288         instead of plain str[n]len for internal checks.
1289         * mf-runtime.c (__mf_violation): Print optional stack traceback.
1290
1291 2002-08-14  Frank Ch. Eigler  <fche@redhat.com>
1292
1293         * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1294
1295 2002-08-13  Graydon Hoare  <graydon@redhat.com>
1296
1297         * mf-runtime.c: Rework configuration to operate on
1298         environment variable options rather than #defines
1299         (__mf_violation): Add simple fork-a-gdb violaiton mode.
1300         (__mf_init): Set static __mf_active_p flag on startup,
1301         to inhibit mudflap wrap-based checking during crt0.s.
1302         * mf-runtime.h: Declare options structure.
1303         * mf-hooks.c: New wrappings for mem*, b*, str*
1304         libc functions (temporarily #if 0-ed out).
1305
1306 2002-08-12  Frank Ch. Eigler  <fche@redhat.com>
1307
1308         * Makefile.am, configure.in: New files.
1309         * Makefile.in, Makefile, configure, config.h.in: New generated files.
1310         * stamp-h.in, aclocal.m4: Ditto.
1311
1312 2002-08-08  Frank Ch. Eigler  <fche@redhat.com>
1313
1314         * Makefile: New file.
1315         * mf-config.h: New file: runtime configuration.
1316         * mf-hooks.c: New file: interposed libc functions.
1317         * mf-runtime.c: New file: bulk of runtime.
1318         * mf-runtime.h: New file: public functions.