libmudflap/ChangeLog

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