libmudflap/ChangeLog

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