libmudflap/ChangeLog

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