libmudflap/ChangeLog

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