libmudflap/ChangeLog

   1 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
   2
   3         * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
   4
   5 2005-03-21  Mike Stump  <mrs@apple.com>
   6
   7         * mf-heuristics.c: Fix whitespace at end of line.
   8         * mf-hooks1.c: Likewise.
   9         * mf-hooks2.c: Likewise.
  10         * mf-hooks3.c: Likewise.
  11         * mf-impl.h: Likewise.
  12         * mf-runtime.c: Likewise.
  13         * mf-runtime.h: Likewise.
  14
  15 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
  16
  17         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
  18         In all substitutions, expand gcc_version in Makefile.
  19         * aclocal.m4, configure: Regenerate.
  20         * Makefile.am: Set gcc_version.
  21         * Makefile.in, testsuite/Makefile.in: Regenerate.
  22
  23 2005-03-17  Frank Ch. Eigler  <fche@redhat.com>
  24
  25         * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
  26         * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
  27
  28 2005-02-13  Frank Ch. Eigler  <fche@redhat.com>
  29
  30         PR mudflap/19319
  31         * testsuite/libmudflap.c++/pass55-frag.c: New test.
  32
  33 2005-01-05  Richard Henderson  <rth@redhat.com>
  34
  35         * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
  36
  37 2005-01-02  Greg McGary  <greg@mcgary.org>
  38
  39         * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
  40         * mf-runtime.h: New file, replaces mf-runtime.h.in.
  41         * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
  42         * Makefile.in: Ditto.
  43         * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
  44         * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
  45         * testsuite/libmudflap.c/fail36-frag.c: New test.
  46         * testsuite/libmudflap.c/fail37-frag.c: New test.
  47         * testsuite/libmudflap.c/fail38-frag.c: New test.
  48
  49 2004-12-08  Kelley Cook  <kcook@gcc.gnu.org>
  50
  51         * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
  52         * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
  53
  54 2004-12-02  Richard Sandiford  <rsandifo@redhat.com>
  55
  56         * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
  57         * aclocal.m4: Include ../config/gcc-version.m4.
  58         * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
  59
  60 2004-11-29  Kelley Cook  <kcook@gcc.gnu.org>
  61
  62         * Makefile.am: Define ACLOCAL_AMFLAGS.
  63         * acinclude.m4: Remove.
  64         * stamp-h.in: Remove superfluous stamp file.
  65         * aclocal.m4, configure, Makefile.in: Regenerate.
  66         * testsuite/Makefile.in: Likewise.
  67
  68 2004-11-24  Kelley Cook  <kcook@gcc.gnu.org>
  69
  70         * Makefile.am: Revert previous.
  71         * acinclude.m4: Restore.
  72         * aclocal.m4, configure, Makefile.in: Regenerate.
  73         * testsuite/Makefile.in: Likewise.
  74
  75 2004-11-24  Kelley Cook  <kcook@gcc.gnu.org>
  76
  77         * Makefile.am: Define ACLOCAL_AMFLAGS.
  78         * acinclude.m4: Remove.
  79         * aclocal.m4, configure, Makefile.in: Regenerate.
  80         * testsuite/Makefile.in: Likewise.
  81
  82 2004-11-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
  83
  84         * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
  85
  86 2004-11-23  Kelley Cook  <kcook@gcc.gnu.org>
  87
  88         * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
  89         * testsuite/Makefile.in: Likewise.
  90
  91 2004-11-01  Andreas Schwab  <schwab@suse.de>
  92
  93         * configure.ac: (target_alias): Default to $host_alias, not
  94         $target.
  95         * configure: Regenerated.
  96
  97 2004-10-28  Frank Ch. Eigler  <fche@redhat.com>
  98
  99         * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
 100         * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
 101         message.
 102
 103 2004-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
 104
 105         PR other/18138
 106         * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
 107
 108 2004-10-12  Frank Ch. Eigler  <fche@redhat.com>
 109
 110         * configure.ac: Check for more headers, functions.
 111         * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
 112         tracking overridden FILE buffers.
 113         (fopen, setvbuf): New/revised hook functions for buffer overriding.
 114         (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
 115         (fflush): Accept given NULL stream (means "all streams").
 116         * mf-runtime.h.in:
 117         * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
 118         HEAP/GUESS objects.
 119         (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
 120         (__mf_adapt_cache): Use them all.
 121         * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
 122         * testsuite/libmudflap.c++/ctors.exp: Ditto.
 123         * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
 124         * configure, config.h.in: Regenerated.
 125
 126 2004-10-05  Frank Ch. Eigler  <fche@redhat.com>
 127
 128         * configure.ac: Checking for sys/socket.h once is enough.
 129         * configure: Regenerated.
 130
 131 2004-10-04  Frank Ch. Eigler  <fche@redhat.com>
 132
 133         * configure.ac: Look for more headers & functions.
 134         * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
 135         * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
 136         * mf-runtime.c (options): Clean up integer signedness warnings.
 137         (main): Add a declaration to fix a warning.
 138         * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
 139         * configure, config.h.in: Regenerated.
 140
 141 2004-10-02  Frank Ch. Eigler  <fche@redhat.com>
 142
 143         * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
 144         New tests for proper base/limit checking for aggregates.
 145
 146 2004-09-15  Joseph S. Myers  <jsm@polyomino.org.uk>
 147
 148         * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
 149
 150 2004-09-07  Frank Ch. Eigler  <fche@redhat.com>
 151
 152         * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
 153         * mf-hooks2.c (strerror): Unregister previous string returned by
 154         previous strerror.
 155         (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
 156         (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
 157         * mf-runtime.h.in: Add redefine_extname pragmas for them all.
 158         * mf-runtime.c (__mf_describe_object): Clarify object life status.
 159         * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
 160         New tests.
 161         * configure, config.h.in: Regenerated.
 162
 163 2004-08-03  Dale Johannesen  <dalej@apple.com>
 164
 165          * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
 166
 167 2004-08-03  Frank Ch. Eigler  <fche@redhat.com>
 168
 169         * mf-runtime.c (compare_uintptr_t): Remove function.  Inline
 170         simplified contents in all former callers.
 171
 172 2004-07-27  Ulrich Weigand  <weigand@informatik.uni-erlangen.de>
 173
 174         * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
 175         the statically linked case.
 176
 177 2004-07-27  Frank Ch. Eigler  <fche@redhat.com>
 178
 179         * splay-tree.[ch]: Remove.  Merge contents into ...
 180         * mf-runtime.c: ... here, renaming symbols and making all functions
 181         static.  Remove unused min/max functions.
 182         * Makefile.am: Forget about splay-tree.[ch].
 183         * Makefile.in, testsuite/Makefile.in: Regenerated.
 184
 185 2004-07-21  Frank Ch. Eigler  <fche@redhat.com>
 186
 187         * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
 188         (__mfu_usage): Include (C) 2004.
 189         * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
 190         here.  Include a comment explaining why.
 191
 192 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
 193
 194         * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
 195         * mf-runtime.c (options): Give them a name.
 196         (__mf_set_default_options): Set them.
 197         (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
 198         (__mf_violation): Warning cleanup.
 199         * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
 200         * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
 201
 202 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
 203
 204         g++/15861
 205         * mf-runtime.c (__mf_init): Make it non-static.  Tolerate
 206         repeated invocation.
 207
 208 2004-07-09  Frank Ch. Eigler  <fche@redhat.com>
 209
 210         Test case for g++/15861
 211         * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
 212         * testsuite/libmudflap.c++/ctors.exp: Driver.
 213         * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
 214         Look only for *frag* test cases.
 215
 216 2004-07-08  Frank Ch. Eigler  <fche@redhat.com>
 217
 218         ANSI C conversion, libmudflap specialization, recursion limiting.
 219         * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
 220         argument and indirection function pointers, update callers.
 221         (splay_tree_s): Add statistics and recursion control fields
 222         num_keys, max_depth, depth, rebalance_p.
 223         * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
 224         Back out of search if it exceeds limit.
 225         (splay_tree_splay): Manage recursion limiting with rebalancing as
 226         needed.
 227         (splay_tree_new): More initialization.
 228         (splay_tree_rebalance): New function.
 229         (splay_tree_foreach): Rewrite using nonrecursive logic.
 230         (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
 231         Remove.  Point indirect calls to mf-runtime.c's routines.
 232         (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
 233         functions.
 234         (splay_tree_delete, splay_tree_delete_helper): Ditto.
 235         * testsuite/heap-scalestress.c: New test based on one from
 236         Eyal Lebedinsky <eyal@eyal.emu.id.au>:
 237
 238 2004-07-05  Matthias Klose  <doko@debian.org>
 239
 240         * libtool-version: New.
 241         * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
 242         Use -version-info for soname.
 243         * Makefile.in: Regenerate.
 244         * configure.ac: Remove libtool_VERSION macro
 245         * configure: Regenerate
 246
 247 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
 248
 249         * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
 250         __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
 251         #ifndef _MUDFLAP.
 252
 253 2004-06-29  Frank Ch. Eigler  <fche@redhat.com>
 254
 255         Splay tree implementation fork.
 256         * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
 257         Use hard-coded comparison function for uintptr_t.  Remove key/value
 258         deallocation logic.  Cache last splayed key for consecutive lookups.
 259         * Makefile.am, Makefile.in: Use them, don't link to them.
 260         * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
 261         (__mf_find_objects2): Flip successor/predecessor search sequence.
 262         * ansidecl.h, libiberty.h: Removed dummy files.
 263
 264 2004-06-29  Nick Clifton  <nickc@redhat.com>
 265
 266         * configure.ac (AC_CHECK_HEADERS): Add dirent.h
 267         * configure: Regenerate.
 268         * mf-hooks2.c: Surround uses of dirent.h with #ifdef
 269         HAVE_DIRENT_H.
 270         Remove spurious inclusion of <strings.h>.
 271
 272 2004-06-29  Nick Clifton  <nickc@redhat.com>
 273
 274         * mf-runtime.c (pthread_join): Only apply the weak pragma if the
 275         function actually exists.
 276
 277 2004-06-25  Frank Ch. Eigler  <fche@redhat.com>
 278
 279         * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
 280         * config.h.in: Regenerated.
 281
 282 2004-06-24  Frank Ch. Eigler  <fche@redhat.com>
 283
 284         Adopt splay trees for object database.
 285         * Makefile.am: Copy splay-tree.* from libiberty.
 286         * Makefile.in, testsuite/Makefile.in: Regenerated.
 287         * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
 288         * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
 289         * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
 290         * mf-runtime.c: Rewrite code dealing with object database to use
 291         libiberty splay trees.  Remove tree liveness aging option.
 292         * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
 293
 294 2004-06-15  Paolo Bonzini  <bonzini@gnu.org>
 295
 296         * configure.ac: New name of configure.in.  Update
 297         AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
 298         AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
 299         Autoconf 2.5x and Automake 1.7 or later.
 300         * configure.in: Remove.
 301         * configure: Regenerate.
 302
 303         * Makefile.am: Remove useless multilib rules.
 304         * Makefile.in: Regenerate.
 305
 306 2004-06-15  Paolo Bonzini  <bonzini@gnu.org>
 307
 308         * .cvsignore: New file.
 309
 310 2004-06-10  Stephen Crowley  <stephen.crowley@sbcglobal.net>
 311
 312         PR libmudflap/13505
 313         * mf-hooks2.c (semctl): Add cygwin porting hack.
 314
 315 2004-06-09  Frank Ch. Eigler  <fche@redhat.com>
 316
 317         ctype support.
 318         * configure.in: Look for ctype header and glibc implementation.
 319         * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
 320         array hooks for glibc 2.3.
 321         * mf-runtime.h.in: Wrap them.
 322         * mf-runtime.c (__mf_init): Leave marker regarding other ctype
 323         implementations.
 324         * testsuite/libmudflap.c/pass47-frag.c: New test.
 325         * configure, config.h.in: Regenerated.
 326
 327 2004-06-04  Frank Ch. Eigler  <fche@redhat.com>
 328
 329         Portability improvements, e.g., libmudflap/15293.
 330         * configure.in: Look for glibc extension functions.  Look for
 331         support of -f{function,data}-sections.  Look for more headers.
 332         Create testsuite/mfconfig.exp.  Correct more "test x.." thinkos.
 333         * Makefile.am: Use $(SECTION_FLAGS).  Collapse piecemeal-compiled
 334         mf-hooks* into usual single object per source.
 335         * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
 336         * mf-hooks2.c: #include a bunch more system headers.  Define strnlen
 337         if system doesn't provide one.
 338         * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
 339         (pthread_create): Use it to properly GC dead thread stacks.
 340         * mf-runtime.c (__mf_violation): Correct snprintf type warning.
 341         * testsuite/Makefile.am: Stop generating site.exp.
 342         * testsuite/mfconfig.exp.in: New file.
 343         * testsuite/config/default.exp: Load new mfconfig.exp.
 344         * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
 345         (prune_gcc_output): Add glibc static linking warnings.
 346         * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
 347         * testsuite/libmudflap.c/pass46-frag.c: Ditto.
 348         * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
 349         Regenerated with autoconf 2.57 and automake 1.7.
 350
 351 2004-06-04  Per Bothner  <per@bothner.com>
 352
 353         * configure.in (LIBMUDFLAPTH):  Fix thinko.
 354
 355         * configure.in:  Check for more headers.
 356         * mf-hooks2.c:  Conditionalize on HAVE_SYS_SOCKET_H etc.
 357
 358         * mf-runtime.c:  In two places conditionalize on SIUSR1 rather than
 359         HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
 360
 361 2004-06-01  Andreas Jaeger  <aj@suse.de>
 362
 363         * configure.in: Handle multilibs, support
 364         --enable-version-specific-runtime-libs.
 365         * Makefile.am (lib_LTLIBRARIES): Rename to ...
 366         (toolexeclib_LTLIBRARIES): this for multilib support.
 367         * Makefile.in: Regenerated.
 368         * configure: Regenerated.
 369         * aclocal.m4: Regenerated.
 370         * config.h.in: Regenerated.
 371         * testsuite/Makefile.in: Regenerated.
 372
 373 2004-06-01  Andreas Jaeger  <aj@suse.de>
 374
 375         * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
 376         multilibs, using multilib directory instead of hardcoded path.
 377         Set LD_RUN_PATH.
 378
 379 2004-05-21  Frank Ch. Eigler  <fche@redhat.com>
 380
 381         * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
 382         * Makefile.in: Ditto.
 383
 384 2004-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
 385
 386         * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
 387         * aclocal.m4, configure: Rebuilt.
 388
 389 2004-05-17  Frank Ch. Eigler  <fche@redhat.com>
 390
 391         * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
 392         import some build settings from libstdc++-v3 testsuite_flags.
 393         * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
 394         changes to pass test language.
 395
 396         * mf-runtime.c (__mfu_check): Poison the cache with antidote for
 397         quicker mode-nop handling.
 398
 399 2004-03-25  Frank Ch. Eigler  <fche@redhat.com>
 400
 401         * mf-impl.h: Added libgcc license header.
 402
 403 2004-03-20  Frank Ch. Eigler  <fche@redhat.com>
 404
 405         * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
 406         Added libgcc license header.
 407         * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
 408         (pthread_create): Simplify stack allocation syntax.
 409
 410 2004-03-08  Loren J. Rittle  <ljrittle@acm.org>
 411
 412         * mf-hooks2.c: Support FreeBSD.
 413         (WRAP_gets): Avoid gets().
 414         * testsuite/libmudflap.c/pass-stratcliff.c: Do not
 415         test unimplemented mem/str calls on FreeBSD.
 416         * testsuite/libmudflap.c/pass21-frag.c: Do not include
 417         <alloca.h> on FreeBSD.
 418
 419 2004-01-30  Frank Ch. Eigler  <fche@redhat.com>
 420
 421         * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
 422         * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
 423         * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
 424         flags for static linking permutation.
 425         * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
 426         some pthreads code that croaks on linux glibc tls.
 427
 428 2004-01-27  Frank Ch. Eigler  <fche@redhat.com>
 429
 430         * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
 431
 432 2004-01-15  Frank Ch. Eigler  <fche@redhat.com>
 433
 434         * testsuite/libmudflap.c/pass44-frag.c: New test.
 435
 436 2004-01-12  Frank Ch. Eigler  <fche@redhat.com>
 437
 438         * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
 439
 440 2004-01-08  Frank Ch. Eigler  <fche@redhat.com>
 441
 442         * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
 443
 444 2003-12-11  Frank Ch. Eigler  <fche@redhat.com>
 445
 446         * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
 447
 448 2003-12-08  Andrew Pinski  <pinskia@physics.uc.edu>
 449
 450         PR libmudflap/12670
 451         * configure.in: Add check for see if
 452         socklen_t typedef is in sys/socket.h.
 453         * mf-hooks1.c: Add define if socklen_t
 454         is not typedef.
 455         * mf-hooks2.c: Likewise.
 456         * mf-hooks3.c: Likewise.
 457         * config.h.in: Regen.
 458         * configure: Regen.
 459
 460 2003-12-08  Frank Ch. Eigler  <fche@redhat.com>
 461
 462         * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
 463         * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
 464         optimizations.
 465         * testsuite/libmudflap.c/pass25-frag.c: Ditto.
 466         * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
 467         (unoptimized) allocation of stack space.
 468
 469 2003-12-07  Richard Henderson  <rth@redhat.com>
 470
 471         * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
 472         * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
 473
 474 2003-12-06  Andrew Pinski <apinski@apple.com>
 475
 476         partial PR libmudflap/12670
 477         * mf-hooks1.c: Respect Darwin checks.  Conditionalize POSIX_SOURCE.
 478         * mf-hooks2.c: Likewise.
 479         * mf-hooks3.c: Likewise.
 480
 481 2003-11-19  Frank Ch. Eigler  <fche@redhat.com>
 482
 483         libstdc++/11696
 484         * mf-runtime.h.in: Switch to #pragma redefine_extname for
 485         symbols interposed at compile time.
 486         * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
 487
 488         libmudflap/12939
 489         * mf-hooks2.c (semctl): Tolerate FreeBSD.
 490
 491         * configure.in: Reorganize check for <pthread.h>.
 492         * configure: Regenerated.
 493
 494 2003-11-04  David Edelsohn  <edelsohn@gnu.org>
 495
 496         * mf-runtime.c (_ALL_SOURCE): Define for AIX.
 497         (_LARGE_FILE_API): Define for AIX.
 498         * mf-hooks[123]: Same.
 499         (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
 500
 501 2003-10-21  David Edelsohn  <edelsohn@gnu.org>
 502
 503         * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
 504
 505 2003-07-29  Frank Ch. Eigler  <fche@redhat.com>
 506
 507         2003-07-29  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
 508
 509         * configure.in: Update check for union semun.
 510
 511 2003-07-29  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
 512
 513         PR other/11673
 514         * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
 515
 516 2003-07-29  Frank Ch. Eigler  <fche@redhat.com>
 517
 518         PR other/11673
 519         * configure.in: Add checks for 64-bit LFS functions, struct semun
 520         definition, for BSD compatibility.
 521         * mf-hooks1.c: Respect BSD checks.  Conditionalize POSIX_SOURCE.
 522         * mf-hooks2.c: Ditto.  Include <strings.h> for bcmp* decls.
 523         * mf-hooks3.c: Ditto.
 524         (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
 525         mmap flag.
 526         * configure, config.h.in: Regenerated.
 527
 528 2003-07-23  Frank Ch. Eigler  <fche@redhat.com>
 529
 530         Multithreading fixes:
 531         * mf-runtime.c (__mf_object): Store allocating/deallocating
 532         thread id.
 533         (options): Support new "-thread-stack" option.
 534         Rename "-heur-argv-environ" option to "-heur-stdlib".
 535         Disable "-lc-mask" and "-lc-shift" options.
 536         (__mf_dynamic): Add function pointers for pthread_join/_exit.
 537         (__assert_fail): New self-contained function for glibc.
 538         * mf-hooks3.c: Essentially rewritten, particularly related to
 539         use of __mf_pthread_info array.
 540         (pthread_join, _exit): New hook functions.
 541         * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
 542         * testsuite/libmudflap.cth/pass40-frag.c: New test.
 543
 544         Warning cleanups:
 545         * mf-heuristics.c: Add type casts for tracing, sub calls.
 546         * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
 547         Update all callers to declare explicit result holder.
 548         (END_PROTECT): Removed.
 549         * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
 550
 551 2003-07-15  Diego Novillo  <dnovillo@redhat.com>
 552
 553         * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
 554         * testsuite/libmudflap.c/fail15-frag.c: Likewise.
 555         * testsuite/libmudflap.c/fail13-frag.c: Likewise.
 556
 557 2003-07-04  Frank Ch. Eigler  <fche@redhat.com>
 558
 559         * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
 560         * mf-hooks: Removed.
 561         * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
 562         Move these macros from old mf-hooks.c here.
 563         * Makefile.am: Adapt to split-up hook sources for faster builds.
 564         * Makefile.in: Regenerated.
 565
 566         * mf-heuristics.c: Remove #if-0 block.
 567
 568         * mf-impl.h (__mf_state): Reorganize declaration and implementation.
 569         (__mf_starting_p): New state only for use while dlsym bootstrapping.
 570         (CALL_REAL, __mf_init): Corresponding changes.
 571         (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix.  Update
 572         all callers to remove redundant "mf:" prefix.
 573         * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
 574         * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
 575         (__mf_pthread_info): Become a hash table.
 576
 577         * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
 578         "dg-repetitions" directives to control test case execution.
 579         * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
 580         options.
 581         * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
 582
 583 2003-06-25  Frank Ch. Eigler  <fche@redhat.com>
 584
 585         * mf-hooks.c (alloca): Separate into stub.
 586         (__mf_wrap_alloca_indirect): New function.  Use CALL_REAL
 587         malloc/free for alloca blocks.
 588         (pthread_create): Tolerate failing pthread_attr_get* calls.
 589         * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
 590         * mf-impl.h (CALL_WRAP): Remove macro.
 591         * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
 592         * testsuite/libmudflap.c/pass23-frag.c: Include more struct
 593         padding for ia64 BIT_FIELD_REF constructs.
 594
 595 2003-06-19  Frank Ch. Eigler  <fche@redhat.com>
 596
 597         * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
 598         (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
 599         libmudflap object type.
 600         * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
 601         crashes on unregistering STATIC objects.
 602
 603 2003-06-17  Frank Ch. Eigler  <fche@redhat.com>
 604
 605         Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
 606         * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
 607         (time, strerror, fopen, fopen64, fclose, fread): New hooks.
 608         (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
 609         (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
 610         (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
 611         (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
 612         (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
 613         (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
 614         (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
 615         (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
 616         (accept, bind, connect, gethostname, sethostname): New hooks.
 617         (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
 618         (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
 619         (semop, semctl, shmctl, shmat, shmdt): New hooks.
 620         * mf-runtime.h.in: Corresponding changes.
 621         * mf-runtime.c (__mf_ini): Register stdio objects.  Use STATIC type.
 622         (opts) Rename heur_argv_environ to heur_std_data.
 623         (__mf_wrap_main): Use STATIC type for argv/environ strings.
 624         * Makefile.am: Corresponding changes.
 625         * Makefile.in: Regenerated.
 626
 627 2003-06-11  Frank Ch. Eigler  <fche@redhat.com>
 628
 629         * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
 630         heuristic for threaded case, and for non-x86-linux targets.
 631         * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
 632         for use during pre-main() program startup.
 633         (__mf_0fn_*): Make these functions non-static.
 634         * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
 635         functions.
 636         * mf-runtime.c (__mf_state): Set initial state to "starting".
 637         (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
 638         (__wrap_main): New function to register argv[] and environ[] strings.
 639         (__mf_ini): Call it.
 640         (*): In all trace functions, use "%p" as formatter for uintptr_t.
 641
 642         * testsuite/libmudflap.c/pass38-frag.c: New test case.
 643         * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
 644
 645         * acinclude.m4: Add comments with aoliva's concerns about x86_64
 646         pass_all.
 647         * aclocal.m4, configure: Regenerated.
 648
 649 2003-06-04  Frank Ch. Eigler  <fche@redhat.com>
 650
 651         * acinclude.m4: Correct typo in AC_MSG_CHECKING.
 652         * aclocal.m4, configure: Regenerated.
 653
 654 2003-06-03  Frank Ch. Eigler  <fche@redhat.com>
 655
 656         * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
 657         for x86_64 target.  Disable caching for this value.
 658         * aclocal.m4, configure: Regenerated.
 659
 660 2003-06-02  Frank Ch. Eigler  <fche@redhat.com>
 661
 662         * testsuite/libmudflap.c/pass38-frag.c: Deleted.  -fwritable-strings
 663         is about to become deprecated, and its present handling bugs are
 664         unworthy of fixing.
 665
 666 2003-05-30  Frank Ch. Eigler  <fche@redhat.com>
 667
 668         * testsuite/libmudflap.c/pass38-frag.c: New test for
 669         -fwritable-strings.
 670
 671 2003-05-23  Frank Ch. Eigler  <fche@redhat.com>
 672
 673         * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
 674         __mf_report, asserting reentrant calling context.
 675
 676 2003-05-23  Frank Ch. Eigler  <fche@redhat.com>
 677
 678         * mf-hooks.c (realloc): Correct reentrancy logic.
 679         * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
 680
 681 2003-05-20  Frank Ch. Eigler  <fche@redhat.com>
 682
 683         * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
 684         PTHREAD_THREADS_MAX.  Update users.
 685         * mf-runtime.c (__mf_usage): Print [active] instead of [default]
 686         for active options.
 687         * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
 688         with libmudflapth presence indicator.
 689         * testsuite/Makefile.in: Regenerated.
 690
 691 2003-05-16  Frank Ch. Eigler  <fche@redhat.com>
 692
 693         * Makefile.am (AM_CFLAGS): Remove "-ansi".
 694         * configure.in: Remove silly no-pthreads => no-shared logic.
 695         * Makefile.in, configure: Regenerated.
 696         * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
 697         * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
 698         code.  Count reentrancy events.
 699         (all hook functions): Don't directly manipulate __mf_state variable.
 700         Add TRACE calls to hook functions without them.
 701         * mf-impl.h (LOCKTH): Try to count lock contention events.
 702         (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
 703         * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
 704         Reorganize reentrancy code.
 705         (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
 706         identify reentrancy with mutex holding times.
 707         (internal __mfu_ entry points): Remove internal reentrancy code.
 708         (__mf_init): Use ordinary locked calls.
 709         (__mfu_report): Print the two new counts.
 710         * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
 711         * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
 712         * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
 713         * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
 714         option defaults.
 715
 716 2003-05-09  Frank Ch. Eigler  <fche@redhat.com>
 717
 718         * configure.in: Add pthread support, plus glibc and porting hacks.
 719         * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
 720         from objects built into ./pth/.
 721         * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
 722         functions for internal entry points.  Update callers to pick
 723         locked vs. unlocked variants.
 724         (__mf_resolve_single_dynamic): Extend to support symbol versioning
 725         info coming in from a static data structure.
 726         (*): Reorder miscellaneous declarations to group data vs functions.
 727         (__mf_set_default_options): Simplify.
 728         (__mf_usage): Mention threading status of host executable.
 729         * mf-impl.h: Move max/min decls here.  Reorganize __mf_dynamic
 730         decls to match above.
 731         (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
 732         * mf-heuristics.c: Choose between locked/unlocked calls.  Add
 733         some lock/unlock markers.  Remove some unused code.
 734         * mf-hooks: Ditto.
 735         (pthread_create): New hook function.
 736         (__mf_pthread_cleanup, _spawner): New helper functions.
 737         * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
 738
 739 2003-05-02  Frank Ch. Eigler  <fche@redhat.com>
 740
 741         * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
 742
 743 2002-04-28  Frank Ch. Eigler  <fche@redhat.com>
 744
 745         * Makefile.am (HOOKOBJS): Add *time related hooks.
 746         * configure.in: Look for pthreads.h header.
 747         * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
 748         * mf-runtime.c: Begin sketching some pthreads support.
 749         (__mf_usage): Check for -lpthread presence.
 750         (__mf_unregister): Confirm matching unregistration base.
 751         (__mf_find_objects_rec): Reduce unnecessary recursion.
 752         * mf-runtime.h.in: Add "nothrow" attribute to functions.  Add
 753         #defines for new hook functions.
 754         * mf-impl.h: Corresponding changes.
 755         * config.h.in, configure, Makefile.in: Regenerated.
 756
 757 2002-04-27  Diego Novillo  <dnovillo@redhat.com>
 758
 759         * testsuite/libmudflap.c/fail1-frag.c: Add volatile
 760         modifiers to prevent being optimized away.
 761         * testsuite/libmudflap.c/fail10-frag.c: Likewise.
 762         * testsuite/libmudflap.c/fail13-frag.c: Likewise.
 763         * testsuite/libmudflap.c/fail14-frag.c: Likewise.
 764         * testsuite/libmudflap.c/fail15-frag.c: Likewise.
 765         * testsuite/libmudflap.c/fail2-frag.c: Likewise.
 766         * testsuite/libmudflap.c/fail20-frag.c: Likewise.
 767         * testsuite/libmudflap.c/fail3-frag.c: Likewise.
 768
 769 2003-04-15  Frank Ch. Eigler  <fche@redhat.com>
 770
 771         * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
 772         * configure.in: Look for uintptr_t and -ldl on target.
 773         * mf-runtime.h.in: Adjust uintptr_t declaration logic.
 774         * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
 775         * testsuite/Makefile.in: Regenerated.
 776         * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
 777         for better C compliance.
 778
 779 2003-04-15  Frank Ch. Eigler  <fche@redhat.com>
 780
 781         * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
 782         prevention code.
 783         * mf-runtime.c (__mf_set_default_options): Turn off
 784         check-initialization.
 785         (__mf_describe_object): Shorten description.
 786         * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
 787
 788 2003-04-07  Frank Ch. Eigler  <fche@redhat.com>
 789
 790         * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
 791
 792 2003-04-02  Frank Ch. Eigler  <fche@redhat.com>
 793
 794         * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
 795         calls specially.
 796         (__mf_0fn_malloc ... _munmap): New dummy backup calls.
 797         * mf-impl.h (CALL_BACKUP): New macros.
 798         * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
 799
 800 2003-03-31  Frank Ch. Eigler  <fche@redhat.com>
 801
 802         * Makefile.am (AM_CFLAGS): Remove optimization flags.
 803         (HOOKOBJS): Remove dlopen hook.
 804         (libmudflap_la_LIBADD): Add -ldl.
 805         * mf-hooks.c (dlopen): Remove hook.
 806         * mf-impl.h (__mf_dynamic): Ditto.
 807         * mf-runtime.c (__mf_resolve_dynamics): Ditto.
 808         * Makefile.in: Regenerated.
 809
 810 2003-03-28  Frank Ch. Eigler  <fche@redhat.com>
 811
 812         * configure.in: Check for target gettimeofday, signal, some headers.
 813         * mf-impl.h (__mf_opts): Add new "sigusr1_report" field.  Comment
 814         out inop multi_threaded field.
 815         * mf-runtime.c (options): Handle new "-sigusr1-report" option.
 816         (__mf_set_options): Correct handling of "-help".
 817         (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
 818         (__mf_check, __mf_register, __mf_unregister): Call it.
 819         (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
 820         (__mf_report_leaks): Make callable
 821         (__mf_tree_analyze): Traverse in-order.  Accumulate address bit
 822         distribution statistics.
 823         (__mf_adapt_cache): Rewrite shift guessing logic based on address
 824         bit distributions.
 825         * config.h.in, configure: Regenerated.
 826         * testsuite/libmudflap.c/fail27-frag.c: New test.
 827         * testsuite/libmudflap.c/pass36-frag.c: New test.
 828
 829 2003-03-11  Frank Ch. Eigler  <fche@redhat.com>
 830
 831         * mf-runtime.h.in: Tweak.
 832         * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
 833         Don't use intermediate files nor AC_OUTPUT-time postprocessing.
 834         * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
 835
 836 2003-03-10  Frank Ch. Eigler  <fche@redhat.com>
 837
 838         * configure.in: Tweak generation of mf-runtime.h some more.  It
 839         needs to work from both config.status and configure.
 840         * configure: Regenerated.
 841
 842 2003-03-10  Frank Ch. Eigler  <fche@redhat.com>
 843
 844         * Makefile.am: Reorganize hook file building.  Add auto dependencies.
 845         * configure.in: Tweak generation of mf-runtime.h.
 846         * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
 847         * mf-hooks.c (*): Adapt to initialized-heap object type.
 848         * mf-impl.h: Tweak cemetary boundaries.
 849         * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
 850         type.
 851         (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
 852         (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
 853         * testsuite/lib/libmudflap.exp (includes): Include build tree.
 854         * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
 855         checking.
 856         * testsuite/.../fail{25,26}-frag.c: New tests.
 857         * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
 858         * Makefile.in, configure: Regenerated.
 859
 860 2003-03-05  Frank Ch. Eigler  <fche@redhat.com>
 861
 862         * mf-runtime.c (__mf_set_default_options): Turn on initialization
 863         checking by default.
 864         (__mf_insert_new_object): As a temporary hack, assume that new
 865         objects registered on the stack start out initialized.
 866         * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
 867         heap objects by hand.
 868
 869 2003-03-05  Frank Ch. Eigler  <fche@redhat.com>
 870
 871         Switch to macro-style hooks for str*/mem*/b* functions.
 872         * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
 873         (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
 874         * mf-runtime.c: #include config.h to enable glibc backtraces again.
 875         (__mf_set_default_options): Turn off heur_proc_map.
 876         (*): Adapt to to macro-style hook functions.
 877         (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
 878         (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
 879         (__mf_violation): Handle __MF_VIOL_WATCH.
 880         * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
 881         (__mf_dynamic): Removed mem*/str*/b* functions.
 882         (TRACE, VERBOSE_TRACE): Add reentrancy locking.
 883         (WRAPPER2): New macro for macro-style hooks.
 884         * mf-hooks.c: Convert mem*/str*/b* functions to simpler
 885         macro-style hooks.
 886         (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
 887         * mf-heuristics.c: Adapt to macro-style hook functions.
 888         Correct some comments.
 889         * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
 890         output pattern tests.
 891         * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
 892         * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
 893
 894 2003-02-28  Frank Ch. Eigler  <fche@redhat.com>
 895
 896         * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
 897         for global array registration.
 898         * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
 899         * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
 900
 901 2003-02-27  Frank Ch. Eigler  <fche@redhat.com>
 902
 903         * Makefile.am: Add gross make bug workarounds.  Tweaked
 904         SUBDIRS and AM_CFLAGS.
 905         * Makefile.in: Regenerated.
 906
 907 2003-02-26  Frank Ch. Eigler  <fche@redhat.com>
 908
 909         Switch to dejagnu.
 910         * configure.in (AC_PROG_CXX): Don't look for C++ any more.
 911         * Makefile.am (TESTS): Remove simple automake testing.
 912         * configure, Makefile.in: Regenerated.
 913         (SUBDIRS): Include new testsuite/ directory.
 914         * tests/*: Removed all files; moved bulk under:
 915         * testsuite/*: New subdirectory tree.
 916         * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
 917         * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
 918         * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
 919         * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
 920         * testsuite/config/default.exp: New file.
 921         * testsuite/Makefile.am, Makefile.in: New files.
 922
 923 2003-01-29  Frank Ch. Eigler  <fche@redhat.com>
 924
 925         * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
 926         (TESTS): Add fail22 and pass29 tests.
 927         * mf-runtime.h.in: Change API to take void*/size_t region parameters.
 928         Add new access-type parameter for __mf_check.  Move __MF_VIOL* out.
 929         * mf-impl.h: Corresponding changes.  Update CLAMP* macros for void*
 930         values.  Move __MF_VIOL* here.
 931         * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
 932         (check_initialization): New field in __mf_opts.  Default off.
 933         (read_count,write_count): New fields in __mf_object.
 934         (__mf_check): Implement basic initialization checking.
 935         (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
 936         (__mf_describe_object): Print new fields.
 937         (__mf_violation): Identify check/read vs. check/write in messages.
 938         * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
 939         "-check-initialized" mudflap option.
 940         * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
 941         * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
 942         Drop __FILE__/__LINE__ hack.  Update callers.
 943         (*): Adapt to new mf-runtime.h API.
 944         * Makefile.in: regenerated.
 945
 946 2003-01-24  Frank Ch. Eigler  <fche@redhat.com>
 947
 948         * configure.in: Build mf-runtime.h a more proper way.
 949         * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
 950         * mf-runtime.c (verbose_violations): Turn on by default.
 951         * mf-runtime.h.in: Remove some miscellaneous stuff ...
 952         * mf-impl.h: ... and move it here.
 953         * configure: Regenerated.
 954
 955 2003-01-22  Frank Ch. Eigler  <fche@redhat.com>
 956
 957         * configure.in: Look for C++ compiler.
 958         * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
 959         fixed type warnings when built with C++.
 960         * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
 961         * Makefile.am (TESTS): Run them.
 962         (*) Add new rules for building and running C++ tests.
 963         (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
 964         * mf-runtime.h.in: Protect with extern "C".
 965         * Makefile, configure: Regenerated.
 966
 967 2003-01-06  Frank Ch. Eigler  <fche@redhat.com>
 968
 969         Portability improvements.
 970         * configure.in: Look for glibc backtrace headers/functions.
 971         * mf-hooks.c: Don't include <execinfo.h> any more.
 972         * mf-runtime.c (__mf_set_options): Call more stdlib functions
 973         via CALL_REAL.
 974         (__mf_backtrace): Provide alternate baby implementation in
 975         absence of glibc.
 976         * test/mf-driver.c: Portability tweaks.
 977         * acinclude.m4: New file, containing top level libtool.m4.
 978         * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
 979
 980 2002-12-19  Frank Ch. Eigler  <fche@redhat.com>
 981
 982         * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
 983
 984 2002-11-08  Frank Ch. Eigler  <fche@redhat.com>
 985
 986         * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
 987         options.
 988         (__mf_unregister): Implement stack/heap object wiping.
 989         (__mf_set_options): Renamed from __mf_process_opts.
 990         (__mf_uncache_object): Change arg type, correct callers.
 991         * mf-impl.h: Corresponding changes.
 992         * mf-hooks.c (realloc): Save/restore heap-wiping flag.
 993         * mf-runtime.h.in (__mf_set_options): Extend public API.
 994         * test/pass26-frag.c: New test for stack wiping.
 995         * Makefile.am (TESTS): Run it.
 996         * Makefile.in: Regenerated.
 997
 998 2002-11-07  Frank Ch. Eigler  <fche@redhat.com>
 999
1000         * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1001         * mf-runtime.c (__mf_object_t): Add watching_p field.
1002         (__mf_watch_or_not): New function to implement
1003         object watch flagging.
1004         (__mf_watch, __mf_unwatch): New wrappers for above.
1005         (__mf_check, __mf_describe_object): Handle objects with watching_p.
1006         (__mf_count_violation): Enlarge array.
1007         (__mf_uncache_object): Renamed from __mf_remove_old_object.  Don't
1008         unlink object.  Clear cache properly.
1009         (__mf_unregister): Unlink object explicitly before uncaching.
1010         * test/fail21-frag.c, pass25-frag.c: New tests.
1011         * Makefile.in, aclocal.m4: Regenerated.
1012
1013 2002-11-05  Frank Ch. Eigler  <fche@redhat.com>
1014
1015         * test/fail20-frag.c: New test for NULL pointer dereferencing.
1016         * Makefile.am (TESTS): Add it.
1017         * test/pass-stratcliff.c: Add decls of stpcpy.
1018         * configure.in: Test for <stdint.h>.  Generate mf-runtime.h in
1019         build tree from config.h and new file mf-runtime.h.in.
1020         * mf-runtime.h.in: Renamed from mf-runtime.h.  Tweak uintptr_t decl.
1021         * Makefile.in, configure, config.h.in: Regenerated.
1022         * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1023         * mf-runtime.c (options, __mf_set_default_options): Support new
1024         default "abbreviate" option.
1025         (__mf_object.description_epoch): New field.
1026         (__mf_describe_object): Conditionally abbreviate objects already
1027         displayed in current epoch.  Accept NULL input to increment epoch.
1028         (__mf_fini, __mf_ini): Reset description epoch.
1029         (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1030         that NULL pointer slot in lookup cache is invalidated.  Register a
1031         NOACCESS region around NULL.
1032         * mf-impl.h: Corresponding changes.
1033
1034 2002-10-16  Frank Ch. Eigler  <fche@redhat.com>
1035
1036         * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1037         * Makefile.am: Run them.  Install mf-runtime.h.
1038         * Makefile.in: Regenerated.
1039         * mf-hooks.c: Add some markers for more missing functions.
1040         * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1041         statistic to tune tune cache size (mask).
1042
1043 2002-10-01  Frank Ch. Eigler  <fche@redhat.com>
1044
1045         * test/pass23-frag.c: New test for bit_field_ref expressions.
1046         * Makefile.am, Makefile.in: Add new test.
1047         * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1048         (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1049         * mf-runtime.c (__mf_init): Register errno global.
1050         (__mf_find_object): Removed function.
1051         (__mf_check): Rewrite logic to support accesses across some
1052         contiguous but distinctly registered objects.
1053         (__mf_remove_old_object): Tolerate cache entries that span
1054         contiguous objects.
1055
1056 2002-09-30  Frank Ch. Eigler  <fche@redhat.com>
1057
1058         * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1059         * Makefile.am, Makefile.in: Run new tests.
1060         * mf-hooks.c (alloca): Correct stack direction logic.
1061
1062 2002-09-26  Frank Ch. Eigler  <fche@redhat.com>
1063
1064         * mf-impl.h (adapt_cache): New option.
1065         * mf-runtime.c (__mf_set_default_options): Set its default value.
1066         Tweak the tree_aging parameter down.
1067         (__mf_check): Maintain separate counter for cache-adaptation.
1068         (__mf_tree_analyze): New function to collect object tree stats.
1069         (__mf_adapt_cache): New function to automate cache parameters.
1070
1071 2002-09-24  Frank Ch. Eigler  <fche@redhat.com>
1072
1073         * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1074         hypothetical #if-0'd argv/envp region registration.
1075         * mf-runtime.c (__mf_init): Add kludged form of above.
1076         (*) Add "heur_argv_environ" flag, default on, to govern this.
1077         * mf-impl.h: Corresponding changes.
1078
1079 2002-09-20  Frank Ch. Eigler  <fche@redhat.com>
1080
1081         * test/fail18-frag.c: New test file for NOACCESS regions.
1082         * Makefile.am (TESTS): Add new test.
1083         * Makefile.in: Regenerated.
1084
1085         * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1086         * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1087         (optimize_object_tree): Remove unused mudflap_option.
1088         * mf-runtime.h (__MF_TYPE_NOACCESS): New region type.  Add printing
1089         support throughout.  Use .._MAX_CEM for cemetary upper bound.
1090         * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1091         regions.
1092         (__mf_object): Add new liveness field for use by tree aging.
1093         (__mf_check): Trigger tree aging when needed.
1094         (__mf_age_tree): New function to decay liveness field.
1095         (__mf_find_objects_rec): Use liveness field to rotate tree.
1096         (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1097         (__mf_unregister): Ditto.
1098         (__mf_register): Tweak duplicate-static message.
1099         (__mf_violation: Tweak nearby-object counter printing.
1100
1101 2002-09-16  Frank Ch. Eigler  <fche@redhat.com>
1102
1103         * test/pass20-frag.c: New test file.
1104         * Makefile.am (TESTS): Reorganize.  Add pass20 test.
1105         * Makefile.in: Regenerated.
1106
1107         * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros.  Update callers.
1108         * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1109         * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1110         entries to avoid repeat registration.
1111         * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1112         (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1113
1114 2002-09-09  Frank Ch. Eigler  <fche@redhat.com>
1115
1116         * Makefile.am: Create test sources with #include, not cat>>.
1117         * Makefile.in: Regenerated.
1118         * test/buildtest.sh: Removed.
1119         * test/driver.c (abort_handler, main): Be quiet.
1120
1121 2002-09-06  Frank Ch. Eigler  <fche@redhat.com>
1122
1123         * test/pass18-frag.c, pass19-frag.c: New tests.
1124         * Makefile.am (check): Run them.  Rebuild test programs each time.
1125         * Makefile.in: Regenerated.
1126
1127 2002-09-06  Frank Ch. Eigler  <fche@redhat.com>
1128
1129         * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1130         overlapping object search.
1131         (__mf_violation): Likewise for nearby objects.
1132         Improve nearby-object listing.
1133
1134         cleanup:
1135         * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1136         * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1137
1138 2002-09-03  Frank Ch. Eigler  <fche@redhat.com>
1139
1140         alloca support:
1141         * Makefile.am (AM_CFLAGS): New definition of needed settings.
1142         (HOOKOBJS): Add alloca-hook.o.
1143         * mf-hooks.c (alloca): New function to implement alloca in libiberty
1144         style.
1145         * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1146         (__mf_backtrace): Reimplement without using alloca.
1147         * Makefile.in: Regenerated.
1148
1149         cleanup:
1150         * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1151         Correct signedness bugs in length-tracking variables.
1152         * mf-impl.h: Make options unsigned.
1153         (CALL_WRAP): New macro to parallel CALL_REAL().
1154         (DECLARE): Remove erroneous ";" at end.
1155         * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1156         formatting specs with %08lx.  Correct several compiler warnings.
1157
1158 2002-08-28  Frank Ch. Eigler  <fche@redhat.com>
1159
1160         * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1161
1162 2002-08-27  Frank Ch. Eigler  <fche@redhat.com>
1163
1164         libmudflap hook breakup:
1165         * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1166         for libgcc_s.
1167         (TESTS): Make dependent on libmudflap.
1168         (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1169         compiled from segments of mf-hooks.c.
1170         * mf-hooks.c: Corresponding changes: wrap each function in
1171         #ifdef/#endif.
1172         * Makefile.in: Regenerated.
1173
1174         Heuristics reorganization:
1175         * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1176         Remove these functions.  Update callers.
1177         (__mf_heuristic_check): Incorporate all the various heuristics.
1178         Encode cacheability/retry judgement into trinary return value.
1179         Separate start-end logic into a separate fallback heuristic.  Only
1180         register relevant /proc/self/map segments.
1181         * mf-impl.h: Corresponding changes.
1182         * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1183         (__mf_init): Don't call __mf_init_heuristics.
1184
1185         Tracing cleanup:
1186         * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1187         "-verbose-trace" to emit all tracing messages other than those of
1188         basic public api.  Eliminate some duplicate/excessive messages.
1189         * mf-runtime.h: Corresponding changes.
1190
1191 2002-08-27  Graydon Hoare  <graydon@redhat.com>
1192
1193         * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1194         and __real when compiled with -DPIC.
1195         * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1196         * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1197         * Makefile.in: Regenerate.
1198
1199 2002-08-26  Graydon Hoare  <graydon@redhat.com>
1200
1201         * mf-impl.h: New file, private implementation header.
1202         * mf-runtime.h: Reorganize a bit.
1203         (CLAMPSZ): Fix arithmetic.
1204         (__MF_CACHE_MISS_P): Fix arithmetic.
1205         * mf-runtime.c: Reorganize a bit.
1206         (__mf_dynamic): New structure.
1207         (resolve_single_dynamic): New function.
1208         (__mf_resolve_dynamics): New function.
1209         (__mf_init): Initialize dynamic wrappers.
1210         * mf-hooks.c: Macro-ize __real calls.
1211         Clamp various bits of arithmetic.
1212         Add explicit __mf_check call contexts.
1213         * Makefile.am: Add dependencies on mf-impl.h
1214         * Makefile.in: Regenerate.
1215         * configure.in: Comment out shared override.
1216         * configure: Regenerate.
1217
1218 2002-08-22  Graydon Hoare  <graydon@redhat.com>
1219
1220         * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1221         (__mf_check): Re-inialize and check heuristics before violation.
1222         (__mf_register): Permit updating pure-guess regions.
1223         * mf-hooks.c (__wrap_free): Correct some free queue logic.
1224         (__wrap_dlopen): New wrapper function.
1225         (__wrap_mmap): New wrapper function.
1226         (__wrap_munmap): New wrapper function.
1227         * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1228         which are not stack addresses.
1229         (is_stack_address): New function.
1230         (__mf_init_heuristics): Save and restore state, always initialize with
1231         "starting" state.
1232
1233 2002-08-21  Frank Ch. Eigler  <fche@redhat.com>
1234
1235         * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1236         error.  Pass location string.
1237         (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1238         * mf-runtime.c (options): Add lc-mask, lc-shift options.
1239         (__mf_process_opts): Apply some sanity checking for lc-mask.
1240         (__mf_check, __mf_violation): Take new location-string argument.
1241         Update callers to pass NULL if necessary.
1242         (__mf_backtrace): New smart backtracer function.  Calls replace
1243         several ad-hoc blocks elsewhere.
1244         (__mf_describe_object): Remove bad reentrancy test.  Improve
1245         tracing message.
1246         * mf-runtime.h: Corresponding changes.  Public/private markup.
1247         (__MF_CACHE_MISS_P): New macro.
1248
1249 2002-08-20  Graydon Hoare  <graydon@redhat.com>
1250
1251         * mf-runtime.h: New option: stack_bound (heuristic).
1252         Move some macros out of implementation files.
1253         * mf-runtime.c: New option string: -stack-bound.
1254         Unify recursion protection with hooks.
1255         Add more logging.
1256         (__mf_check): Call __mf_heuristic_check.
1257         (__mf_process_opts): Fix "no-" processing.
1258         * mf-heuristics.c (__mf_heuristic_check): New function.
1259         * mf-hooks.c: Much off-by-one fixing, recursion protection.
1260
1261 2002-08-20  Frank Ch. Eigler  <fche@redhat.com>
1262
1263         Option parsing improvements, region splitting bug fixes:
1264         * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1265         * mf-runtime.h (heur_proc_map): New libmudflap option.
1266         * mf-runtime.c (__mf_set_default_options): Set it.
1267         (__mf_usage): Print default values/status.
1268         (__mf_process_opts): Support general "no-" option string prefix.
1269         (__mf_init): Print __mf_usage on unknown-option error.
1270         (__mf_register): Print trace message up front.
1271         Correct region splitting logic for case where a subregion disappears.
1272         Correct memory leak.
1273         (__mf_violation): Make even basic message conditional on option.
1274
1275         Build cleanup:
1276         * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1277         (clean-local): New target.
1278         (test/*x rules): Add -g CFLAGS.
1279         (CFLAGS): Add -freorder-blocks.
1280         (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1281         * Makefile.in: Regenerated.
1282         * Makefile, mf-config.h: Removed files.
1283
1284 2002-08-16  Graydon Hoare  <graydon@redhat.com>
1285
1286         * mf-runtime.c (__mf_insert_new_object): Factor out of
1287         __mf_register.
1288         (__mf_remove_old_object): Factor out of __mf_unregister.
1289         (__mf_register): Handle guessed regions, splitting
1290         guesses when new registrations arrive.
1291         (__mf_unregister): Do not unregister guesses.
1292         * mf-runtime.h: Move convenience macros around,
1293         declare new option fields. Add __MF_TYPE_GUESS.
1294         * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1295         (__wrap_free): Call __real_free for deferred frees.
1296         * Makefile.am: Add more tests, fix dependency.
1297         * Makefile.in: Regenerate.
1298         * test/pass[13..17]-frag.c: New testcases.
1299         * test/fail[13..17]-frag.c: New testcases.
1300
1301 2002-08-15  Graydon Hoare  <graydon@redhat.com>
1302
1303         * mf-heuristics.c: New file.
1304         * mf-runtime.c (options): Add -trace-calls option.
1305         (__mf_init): Call __mf_init_heuristics.
1306
1307 2002-08-14  Graydon Hoare  <graydon@redhat.com>
1308
1309         * Makefile.am (TESTS): Add testsuite support.
1310         * Makefile.in: Regenerate.
1311         * test/mf-driver.c: New file.
1312         * test/buildtest.sh: New file.
1313         * test/passNN-frag.c: New testcases.
1314         * test/failNN-frag.c: New testcases.
1315
1316 2002-08-14  Graydon Hoare  <graydon@redhat.com>
1317
1318         * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1319         verifying non-size-limited string extents.
1320
1321 2002-08-14  Frank Ch. Eigler  <fche@redhat.com>
1322
1323         * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1324         instead of plain str[n]len for internal checks.
1325         * mf-runtime.c (__mf_violation): Print optional stack traceback.
1326
1327 2002-08-14  Frank Ch. Eigler  <fche@redhat.com>
1328
1329         * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1330
1331 2002-08-13  Graydon Hoare  <graydon@redhat.com>
1332
1333         * mf-runtime.c: Rework configuration to operate on
1334         environment variable options rather than #defines
1335         (__mf_violation): Add simple fork-a-gdb violaiton mode.
1336         (__mf_init): Set static __mf_active_p flag on startup,
1337         to inhibit mudflap wrap-based checking during crt0.s.
1338         * mf-runtime.h: Declare options structure.
1339         * mf-hooks.c: New wrappings for mem*, b*, str*
1340         libc functions (temporarily #if 0-ed out).
1341
1342 2002-08-12  Frank Ch. Eigler  <fche@redhat.com>
1343
1344         * Makefile.am, configure.in: New files.
1345         * Makefile.in, Makefile, configure, config.h.in: New generated files.
1346         * stamp-h.in, aclocal.m4: Ditto.
1347
1348 2002-08-08  Frank Ch. Eigler  <fche@redhat.com>
1349
1350         * Makefile: New file.
1351         * mf-config.h: New file: runtime configuration.
1352         * mf-hooks.c: New file: interposed libc functions.
1353         * mf-runtime.c: New file: bulk of runtime.
1354         * mf-runtime.h: New file: public functions.