libmudflap/ChangeLog

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