libmudflap/ChangeLog

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