libmudflap/ChangeLog

   1 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
   2
   3         * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
   4
   5 2005-03-31  Mike Stump  <mrs@apple.com>
   6
   7         * mf-runtime.h: Add libmudflap copyright clause.
   8
   9 2005-03-21  Mike Stump  <mrs@apple.com>
  10
  11         * mf-heuristics.c: Fix whitespace at end of line.
  12         * mf-hooks1.c: Likewise.
  13         * mf-hooks2.c: Likewise.
  14         * mf-hooks3.c: Likewise.
  15         * mf-impl.h: Likewise.
  16         * mf-runtime.c: Likewise.
  17         * mf-runtime.h: Likewise.
  18
  19 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
  20
  21         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
  22         In all substitutions, expand gcc_version in Makefile.
  23         * aclocal.m4, configure: Regenerate.
  24         * Makefile.am: Set gcc_version.
  25         * Makefile.in, testsuite/Makefile.in: Regenerate.
  26
  27 2005-03-17  Frank Ch. Eigler  <fche@redhat.com>
  28
  29         * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
  30         * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
  31
  32 2005-02-13  Frank Ch. Eigler  <fche@redhat.com>
  33
  34         PR mudflap/19319
  35         * testsuite/libmudflap.c++/pass55-frag.c: New test.
  36
  37 2005-01-05  Richard Henderson  <rth@redhat.com>
  38
  39         * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
  40
  41 2005-01-02  Greg McGary  <greg@mcgary.org>
  42
  43         * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
  44         * mf-runtime.h: New file, replaces mf-runtime.h.in.
  45         * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
  46         * Makefile.in: Ditto.
  47         * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
  48         * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
  49         * testsuite/libmudflap.c/fail36-frag.c: New test.
  50         * testsuite/libmudflap.c/fail37-frag.c: New test.
  51         * testsuite/libmudflap.c/fail38-frag.c: New test.
  52
  53 2004-12-08  Kelley Cook  <kcook@gcc.gnu.org>
  54
  55         * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
  56         * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
  57
  58 2004-12-02  Richard Sandiford  <rsandifo@redhat.com>
  59
  60         * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
  61         * aclocal.m4: Include ../config/gcc-version.m4.
  62         * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
  63
  64 2004-11-29  Kelley Cook  <kcook@gcc.gnu.org>
  65
  66         * Makefile.am: Define ACLOCAL_AMFLAGS.
  67         * acinclude.m4: Remove.
  68         * stamp-h.in: Remove superfluous stamp file.
  69         * aclocal.m4, configure, Makefile.in: Regenerate.
  70         * testsuite/Makefile.in: Likewise.
  71
  72 2004-11-24  Kelley Cook  <kcook@gcc.gnu.org>
  73
  74         * Makefile.am: Revert previous.
  75         * acinclude.m4: Restore.
  76         * aclocal.m4, configure, Makefile.in: Regenerate.
  77         * testsuite/Makefile.in: Likewise.
  78
  79 2004-11-24  Kelley Cook  <kcook@gcc.gnu.org>
  80
  81         * Makefile.am: Define ACLOCAL_AMFLAGS.
  82         * acinclude.m4: Remove.
  83         * aclocal.m4, configure, Makefile.in: Regenerate.
  84         * testsuite/Makefile.in: Likewise.
  85
  86 2004-11-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
  87
  88         * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
  89
  90 2004-11-23  Kelley Cook  <kcook@gcc.gnu.org>
  91
  92         * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
  93         * testsuite/Makefile.in: Likewise.
  94
  95 2004-11-01  Andreas Schwab  <schwab@suse.de>
  96
  97         * configure.ac: (target_alias): Default to $host_alias, not
  98         $target.
  99         * configure: Regenerated.
 100
 101 2004-10-28  Frank Ch. Eigler  <fche@redhat.com>
 102
 103         * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
 104         * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
 105         message.
 106
 107 2004-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
 108
 109         PR other/18138
 110         * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
 111
 112 2004-10-12  Frank Ch. Eigler  <fche@redhat.com>
 113
 114         * configure.ac: Check for more headers, functions.
 115         * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
 116         tracking overridden FILE buffers.
 117         (fopen, setvbuf): New/revised hook functions for buffer overriding.
 118         (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
 119         (fflush): Accept given NULL stream (means "all streams").
 120         * mf-runtime.h.in:
 121         * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
 122         HEAP/GUESS objects.
 123         (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
 124         (__mf_adapt_cache): Use them all.
 125         * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
 126         * testsuite/libmudflap.c++/ctors.exp: Ditto.
 127         * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
 128         * configure, config.h.in: Regenerated.
 129
 130 2004-10-05  Frank Ch. Eigler  <fche@redhat.com>
 131
 132         * configure.ac: Checking for sys/socket.h once is enough.
 133         * configure: Regenerated.
 134
 135 2004-10-04  Frank Ch. Eigler  <fche@redhat.com>
 136
 137         * configure.ac: Look for more headers & functions.
 138         * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
 139         * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
 140         * mf-runtime.c (options): Clean up integer signedness warnings.
 141         (main): Add a declaration to fix a warning.
 142         * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
 143         * configure, config.h.in: Regenerated.
 144
 145 2004-10-02  Frank Ch. Eigler  <fche@redhat.com>
 146
 147         * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
 148         New tests for proper base/limit checking for aggregates.
 149
 150 2004-09-15  Joseph S. Myers  <jsm@polyomino.org.uk>
 151
 152         * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
 153
 154 2004-09-07  Frank Ch. Eigler  <fche@redhat.com>
 155
 156         * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
 157         * mf-hooks2.c (strerror): Unregister previous string returned by
 158         previous strerror.
 159         (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
 160         (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
 161         * mf-runtime.h.in: Add redefine_extname pragmas for them all.
 162         * mf-runtime.c (__mf_describe_object): Clarify object life status.
 163         * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
 164         New tests.
 165         * configure, config.h.in: Regenerated.
 166
 167 2004-08-03  Dale Johannesen  <dalej@apple.com>
 168
 169          * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
 170
 171 2004-08-03  Frank Ch. Eigler  <fche@redhat.com>
 172
 173         * mf-runtime.c (compare_uintptr_t): Remove function.  Inline
 174         simplified contents in all former callers.
 175
 176 2004-07-27  Ulrich Weigand  <weigand@informatik.uni-erlangen.de>
 177
 178         * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
 179         the statically linked case.
 180
 181 2004-07-27  Frank Ch. Eigler  <fche@redhat.com>
 182
 183         * splay-tree.[ch]: Remove.  Merge contents into ...
 184         * mf-runtime.c: ... here, renaming symbols and making all functions
 185         static.  Remove unused min/max functions.
 186         * Makefile.am: Forget about splay-tree.[ch].
 187         * Makefile.in, testsuite/Makefile.in: Regenerated.
 188
 189 2004-07-21  Frank Ch. Eigler  <fche@redhat.com>
 190
 191         * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
 192         (__mfu_usage): Include (C) 2004.
 193         * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
 194         here.  Include a comment explaining why.
 195
 196 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
 197
 198         * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
 199         * mf-runtime.c (options): Give them a name.
 200         (__mf_set_default_options): Set them.
 201         (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
 202         (__mf_violation): Warning cleanup.
 203         * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
 204         * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
 205
 206 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
 207
 208         g++/15861
 209         * mf-runtime.c (__mf_init): Make it non-static.  Tolerate
 210         repeated invocation.
 211
 212 2004-07-09  Frank Ch. Eigler  <fche@redhat.com>
 213
 214         Test case for g++/15861
 215         * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
 216         * testsuite/libmudflap.c++/ctors.exp: Driver.
 217         * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
 218         Look only for *frag* test cases.
 219
 220 2004-07-08  Frank Ch. Eigler  <fche@redhat.com>
 221
 222         ANSI C conversion, libmudflap specialization, recursion limiting.
 223         * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
 224         argument and indirection function pointers, update callers.
 225         (splay_tree_s): Add statistics and recursion control fields
 226         num_keys, max_depth, depth, rebalance_p.
 227         * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
 228         Back out of search if it exceeds limit.
 229         (splay_tree_splay): Manage recursion limiting with rebalancing as
 230         needed.
 231         (splay_tree_new): More initialization.
 232         (splay_tree_rebalance): New function.
 233         (splay_tree_foreach): Rewrite using nonrecursive logic.
 234         (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
 235         Remove.  Point indirect calls to mf-runtime.c's routines.
 236         (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
 237         functions.
 238         (splay_tree_delete, splay_tree_delete_helper): Ditto.
 239         * testsuite/heap-scalestress.c: New test based on one from
 240         Eyal Lebedinsky <eyal@eyal.emu.id.au>:
 241
 242 2004-07-05  Matthias Klose  <doko@debian.org>
 243
 244         * libtool-version: New.
 245         * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
 246         Use -version-info for soname.
 247         * Makefile.in: Regenerate.
 248         * configure.ac: Remove libtool_VERSION macro
 249         * configure: Regenerate
 250
 251 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
 252
 253         * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
 254         __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
 255         #ifndef _MUDFLAP.
 256
 257 2004-06-29  Frank Ch. Eigler  <fche@redhat.com>
 258
 259         Splay tree implementation fork.
 260         * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
 261         Use hard-coded comparison function for uintptr_t.  Remove key/value
 262         deallocation logic.  Cache last splayed key for consecutive lookups.
 263         * Makefile.am, Makefile.in: Use them, don't link to them.
 264         * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
 265         (__mf_find_objects2): Flip successor/predecessor search sequence.
 266         * ansidecl.h, libiberty.h: Removed dummy files.
 267
 268 2004-06-29  Nick Clifton  <nickc@redhat.com>
 269
 270         * configure.ac (AC_CHECK_HEADERS): Add dirent.h
 271         * configure: Regenerate.
 272         * mf-hooks2.c: Surround uses of dirent.h with #ifdef
 273         HAVE_DIRENT_H.
 274         Remove spurious inclusion of <strings.h>.
 275
 276 2004-06-29  Nick Clifton  <nickc@redhat.com>
 277
 278         * mf-runtime.c (pthread_join): Only apply the weak pragma if the
 279         function actually exists.
 280
 281 2004-06-25  Frank Ch. Eigler  <fche@redhat.com>
 282
 283         * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
 284         * config.h.in: Regenerated.
 285
 286 2004-06-24  Frank Ch. Eigler  <fche@redhat.com>
 287
 288         Adopt splay trees for object database.
 289         * Makefile.am: Copy splay-tree.* from libiberty.
 290         * Makefile.in, testsuite/Makefile.in: Regenerated.
 291         * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
 292         * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
 293         * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
 294         * mf-runtime.c: Rewrite code dealing with object database to use
 295         libiberty splay trees.  Remove tree liveness aging option.
 296         * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
 297
 298 2004-06-15  Paolo Bonzini  <bonzini@gnu.org>
 299
 300         * configure.ac: New name of configure.in.  Update
 301         AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
 302         AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
 303         Autoconf 2.5x and Automake 1.7 or later.
 304         * configure.in: Remove.
 305         * configure: Regenerate.
 306
 307         * Makefile.am: Remove useless multilib rules.
 308         * Makefile.in: Regenerate.
 309
 310 2004-06-15  Paolo Bonzini  <bonzini@gnu.org>
 311
 312         * .cvsignore: New file.
 313
 314 2004-06-10  Stephen Crowley  <stephen.crowley@sbcglobal.net>
 315
 316         PR libmudflap/13505
 317         * mf-hooks2.c (semctl): Add cygwin porting hack.
 318
 319 2004-06-09  Frank Ch. Eigler  <fche@redhat.com>
 320
 321         ctype support.
 322         * configure.in: Look for ctype header and glibc implementation.
 323         * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
 324         array hooks for glibc 2.3.
 325         * mf-runtime.h.in: Wrap them.
 326         * mf-runtime.c (__mf_init): Leave marker regarding other ctype
 327         implementations.
 328         * testsuite/libmudflap.c/pass47-frag.c: New test.
 329         * configure, config.h.in: Regenerated.
 330
 331 2004-06-04  Frank Ch. Eigler  <fche@redhat.com>
 332
 333         Portability improvements, e.g., libmudflap/15293.
 334         * configure.in: Look for glibc extension functions.  Look for
 335         support of -f{function,data}-sections.  Look for more headers.
 336         Create testsuite/mfconfig.exp.  Correct more "test x.." thinkos.
 337         * Makefile.am: Use $(SECTION_FLAGS).  Collapse piecemeal-compiled
 338         mf-hooks* into usual single object per source.
 339         * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
 340         * mf-hooks2.c: #include a bunch more system headers.  Define strnlen
 341         if system doesn't provide one.
 342         * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
 343         (pthread_create): Use it to properly GC dead thread stacks.
 344         * mf-runtime.c (__mf_violation): Correct snprintf type warning.
 345         * testsuite/Makefile.am: Stop generating site.exp.
 346         * testsuite/mfconfig.exp.in: New file.
 347         * testsuite/config/default.exp: Load new mfconfig.exp.
 348         * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
 349         (prune_gcc_output): Add glibc static linking warnings.
 350         * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
 351         * testsuite/libmudflap.c/pass46-frag.c: Ditto.
 352         * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
 353         Regenerated with autoconf 2.57 and automake 1.7.
 354
 355 2004-06-04  Per Bothner  <per@bothner.com>
 356
 357         * configure.in (LIBMUDFLAPTH):  Fix thinko.
 358
 359         * configure.in:  Check for more headers.
 360         * mf-hooks2.c:  Conditionalize on HAVE_SYS_SOCKET_H etc.
 361
 362         * mf-runtime.c:  In two places conditionalize on SIUSR1 rather than
 363         HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
 364
 365 2004-06-01  Andreas Jaeger  <aj@suse.de>
 366
 367         * configure.in: Handle multilibs, support
 368         --enable-version-specific-runtime-libs.
 369         * Makefile.am (lib_LTLIBRARIES): Rename to ...
 370         (toolexeclib_LTLIBRARIES): this for multilib support.
 371         * Makefile.in: Regenerated.
 372         * configure: Regenerated.
 373         * aclocal.m4: Regenerated.
 374         * config.h.in: Regenerated.
 375         * testsuite/Makefile.in: Regenerated.
 376
 377 2004-06-01  Andreas Jaeger  <aj@suse.de>
 378
 379         * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
 380         multilibs, using multilib directory instead of hardcoded path.
 381         Set LD_RUN_PATH.
 382
 383 2004-05-21  Frank Ch. Eigler  <fche@redhat.com>
 384
 385         * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
 386         * Makefile.in: Ditto.
 387
 388 2004-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
 389
 390         * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
 391         * aclocal.m4, configure: Rebuilt.
 392
 393 2004-05-17  Frank Ch. Eigler  <fche@redhat.com>
 394
 395         * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
 396         import some build settings from libstdc++-v3 testsuite_flags.
 397         * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
 398         changes to pass test language.
 399
 400         * mf-runtime.c (__mfu_check): Poison the cache with antidote for
 401         quicker mode-nop handling.
 402
 403 2004-03-25  Frank Ch. Eigler  <fche@redhat.com>
 404
 405         * mf-impl.h: Added libgcc license header.
 406
 407 2004-03-20  Frank Ch. Eigler  <fche@redhat.com>
 408
 409         * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
 410         Added libgcc license header.
 411         * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
 412         (pthread_create): Simplify stack allocation syntax.
 413
 414 2004-03-08  Loren J. Rittle  <ljrittle@acm.org>
 415
 416         * mf-hooks2.c: Support FreeBSD.
 417         (WRAP_gets): Avoid gets().
 418         * testsuite/libmudflap.c/pass-stratcliff.c: Do not
 419         test unimplemented mem/str calls on FreeBSD.
 420         * testsuite/libmudflap.c/pass21-frag.c: Do not include
 421         <alloca.h> on FreeBSD.
 422
 423 2004-01-30  Frank Ch. Eigler  <fche@redhat.com>
 424
 425         * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
 426         * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
 427         * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
 428         flags for static linking permutation.
 429         * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
 430         some pthreads code that croaks on linux glibc tls.
 431
 432 2004-01-27  Frank Ch. Eigler  <fche@redhat.com>
 433
 434         * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
 435
 436 2004-01-15  Frank Ch. Eigler  <fche@redhat.com>
 437
 438         * testsuite/libmudflap.c/pass44-frag.c: New test.
 439
 440 2004-01-12  Frank Ch. Eigler  <fche@redhat.com>
 441
 442         * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
 443
 444 2004-01-08  Frank Ch. Eigler  <fche@redhat.com>
 445
 446         * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
 447
 448 2003-12-11  Frank Ch. Eigler  <fche@redhat.com>
 449
 450         * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
 451
 452 2003-12-08  Andrew Pinski  <pinskia@physics.uc.edu>
 453
 454         PR libmudflap/12670
 455         * configure.in: Add check for see if
 456         socklen_t typedef is in sys/socket.h.
 457         * mf-hooks1.c: Add define if socklen_t
 458         is not typedef.
 459         * mf-hooks2.c: Likewise.
 460         * mf-hooks3.c: Likewise.
 461         * config.h.in: Regen.
 462         * configure: Regen.
 463
 464 2003-12-08  Frank Ch. Eigler  <fche@redhat.com>
 465
 466         * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
 467         * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
 468         optimizations.
 469         * testsuite/libmudflap.c/pass25-frag.c: Ditto.
 470         * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
 471         (unoptimized) allocation of stack space.
 472
 473 2003-12-07  Richard Henderson  <rth@redhat.com>
 474
 475         * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
 476         * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
 477
 478 2003-12-06  Andrew Pinski <apinski@apple.com>
 479
 480         partial PR libmudflap/12670
 481         * mf-hooks1.c: Respect Darwin checks.  Conditionalize POSIX_SOURCE.
 482         * mf-hooks2.c: Likewise.
 483         * mf-hooks3.c: Likewise.
 484
 485 2003-11-19  Frank Ch. Eigler  <fche@redhat.com>
 486
 487         libstdc++/11696
 488         * mf-runtime.h.in: Switch to #pragma redefine_extname for
 489         symbols interposed at compile time.
 490         * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
 491
 492         libmudflap/12939
 493         * mf-hooks2.c (semctl): Tolerate FreeBSD.
 494
 495         * configure.in: Reorganize check for <pthread.h>.
 496         * configure: Regenerated.
 497
 498 2003-11-04  David Edelsohn  <edelsohn@gnu.org>
 499
 500         * mf-runtime.c (_ALL_SOURCE): Define for AIX.
 501         (_LARGE_FILE_API): Define for AIX.
 502         * mf-hooks[123]: Same.
 503         (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
 504
 505 2003-10-21  David Edelsohn  <edelsohn@gnu.org>
 506
 507         * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
 508
 509 2003-07-29  Frank Ch. Eigler  <fche@redhat.com>
 510
 511         2003-07-29  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
 512
 513         * configure.in: Update check for union semun.
 514
 515 2003-07-29  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
 516
 517         PR other/11673
 518         * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
 519
 520 2003-07-29  Frank Ch. Eigler  <fche@redhat.com>
 521
 522         PR other/11673
 523         * configure.in: Add checks for 64-bit LFS functions, struct semun
 524         definition, for BSD compatibility.
 525         * mf-hooks1.c: Respect BSD checks.  Conditionalize POSIX_SOURCE.
 526         * mf-hooks2.c: Ditto.  Include <strings.h> for bcmp* decls.
 527         * mf-hooks3.c: Ditto.
 528         (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
 529         mmap flag.
 530         * configure, config.h.in: Regenerated.
 531
 532 2003-07-23  Frank Ch. Eigler  <fche@redhat.com>
 533
 534         Multithreading fixes:
 535         * mf-runtime.c (__mf_object): Store allocating/deallocating
 536         thread id.
 537         (options): Support new "-thread-stack" option.
 538         Rename "-heur-argv-environ" option to "-heur-stdlib".
 539         Disable "-lc-mask" and "-lc-shift" options.
 540         (__mf_dynamic): Add function pointers for pthread_join/_exit.
 541         (__assert_fail): New self-contained function for glibc.
 542         * mf-hooks3.c: Essentially rewritten, particularly related to
 543         use of __mf_pthread_info array.
 544         (pthread_join, _exit): New hook functions.
 545         * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
 546         * testsuite/libmudflap.cth/pass40-frag.c: New test.
 547
 548         Warning cleanups:
 549         * mf-heuristics.c: Add type casts for tracing, sub calls.
 550         * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
 551         Update all callers to declare explicit result holder.
 552         (END_PROTECT): Removed.
 553         * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
 554
 555 2003-07-15  Diego Novillo  <dnovillo@redhat.com>
 556
 557         * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
 558         * testsuite/libmudflap.c/fail15-frag.c: Likewise.
 559         * testsuite/libmudflap.c/fail13-frag.c: Likewise.
 560
 561 2003-07-04  Frank Ch. Eigler  <fche@redhat.com>
 562
 563         * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
 564         * mf-hooks: Removed.
 565         * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
 566         Move these macros from old mf-hooks.c here.
 567         * Makefile.am: Adapt to split-up hook sources for faster builds.
 568         * Makefile.in: Regenerated.
 569
 570         * mf-heuristics.c: Remove #if-0 block.
 571
 572         * mf-impl.h (__mf_state): Reorganize declaration and implementation.
 573         (__mf_starting_p): New state only for use while dlsym bootstrapping.
 574         (CALL_REAL, __mf_init): Corresponding changes.
 575         (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix.  Update
 576         all callers to remove redundant "mf:" prefix.
 577         * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
 578         * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
 579         (__mf_pthread_info): Become a hash table.
 580
 581         * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
 582         "dg-repetitions" directives to control test case execution.
 583         * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
 584         options.
 585         * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
 586
 587 2003-06-25  Frank Ch. Eigler  <fche@redhat.com>
 588
 589         * mf-hooks.c (alloca): Separate into stub.
 590         (__mf_wrap_alloca_indirect): New function.  Use CALL_REAL
 591         malloc/free for alloca blocks.
 592         (pthread_create): Tolerate failing pthread_attr_get* calls.
 593         * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
 594         * mf-impl.h (CALL_WRAP): Remove macro.
 595         * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
 596         * testsuite/libmudflap.c/pass23-frag.c: Include more struct
 597         padding for ia64 BIT_FIELD_REF constructs.
 598
 599 2003-06-19  Frank Ch. Eigler  <fche@redhat.com>
 600
 601         * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
 602         (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
 603         libmudflap object type.
 604         * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
 605         crashes on unregistering STATIC objects.
 606
 607 2003-06-17  Frank Ch. Eigler  <fche@redhat.com>
 608
 609         Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
 610         * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
 611         (time, strerror, fopen, fopen64, fclose, fread): New hooks.
 612         (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
 613         (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
 614         (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
 615         (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
 616         (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
 617         (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
 618         (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
 619         (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
 620         (accept, bind, connect, gethostname, sethostname): New hooks.
 621         (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
 622         (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
 623         (semop, semctl, shmctl, shmat, shmdt): New hooks.
 624         * mf-runtime.h.in: Corresponding changes.
 625         * mf-runtime.c (__mf_ini): Register stdio objects.  Use STATIC type.
 626         (opts) Rename heur_argv_environ to heur_std_data.
 627         (__mf_wrap_main): Use STATIC type for argv/environ strings.
 628         * Makefile.am: Corresponding changes.
 629         * Makefile.in: Regenerated.
 630
 631 2003-06-11  Frank Ch. Eigler  <fche@redhat.com>
 632
 633         * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
 634         heuristic for threaded case, and for non-x86-linux targets.
 635         * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
 636         for use during pre-main() program startup.
 637         (__mf_0fn_*): Make these functions non-static.
 638         * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
 639         functions.
 640         * mf-runtime.c (__mf_state): Set initial state to "starting".
 641         (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
 642         (__wrap_main): New function to register argv[] and environ[] strings.
 643         (__mf_ini): Call it.
 644         (*): In all trace functions, use "%p" as formatter for uintptr_t.
 645
 646         * testsuite/libmudflap.c/pass38-frag.c: New test case.
 647         * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
 648
 649         * acinclude.m4: Add comments with aoliva's concerns about x86_64
 650         pass_all.
 651         * aclocal.m4, configure: Regenerated.
 652
 653 2003-06-04  Frank Ch. Eigler  <fche@redhat.com>
 654
 655         * acinclude.m4: Correct typo in AC_MSG_CHECKING.
 656         * aclocal.m4, configure: Regenerated.
 657
 658 2003-06-03  Frank Ch. Eigler  <fche@redhat.com>
 659
 660         * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
 661         for x86_64 target.  Disable caching for this value.
 662         * aclocal.m4, configure: Regenerated.
 663
 664 2003-06-02  Frank Ch. Eigler  <fche@redhat.com>
 665
 666         * testsuite/libmudflap.c/pass38-frag.c: Deleted.  -fwritable-strings
 667         is about to become deprecated, and its present handling bugs are
 668         unworthy of fixing.
 669
 670 2003-05-30  Frank Ch. Eigler  <fche@redhat.com>
 671
 672         * testsuite/libmudflap.c/pass38-frag.c: New test for
 673         -fwritable-strings.
 674
 675 2003-05-23  Frank Ch. Eigler  <fche@redhat.com>
 676
 677         * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
 678         __mf_report, asserting reentrant calling context.
 679
 680 2003-05-23  Frank Ch. Eigler  <fche@redhat.com>
 681
 682         * mf-hooks.c (realloc): Correct reentrancy logic.
 683         * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
 684
 685 2003-05-20  Frank Ch. Eigler  <fche@redhat.com>
 686
 687         * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
 688         PTHREAD_THREADS_MAX.  Update users.
 689         * mf-runtime.c (__mf_usage): Print [active] instead of [default]
 690         for active options.
 691         * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
 692         with libmudflapth presence indicator.
 693         * testsuite/Makefile.in: Regenerated.
 694
 695 2003-05-16  Frank Ch. Eigler  <fche@redhat.com>
 696
 697         * Makefile.am (AM_CFLAGS): Remove "-ansi".
 698         * configure.in: Remove silly no-pthreads => no-shared logic.
 699         * Makefile.in, configure: Regenerated.
 700         * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
 701         * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
 702         code.  Count reentrancy events.
 703         (all hook functions): Don't directly manipulate __mf_state variable.
 704         Add TRACE calls to hook functions without them.
 705         * mf-impl.h (LOCKTH): Try to count lock contention events.
 706         (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
 707         * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
 708         Reorganize reentrancy code.
 709         (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
 710         identify reentrancy with mutex holding times.
 711         (internal __mfu_ entry points): Remove internal reentrancy code.
 712         (__mf_init): Use ordinary locked calls.
 713         (__mfu_report): Print the two new counts.
 714         * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
 715         * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
 716         * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
 717         * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
 718         option defaults.
 719
 720 2003-05-09  Frank Ch. Eigler  <fche@redhat.com>
 721
 722         * configure.in: Add pthread support, plus glibc and porting hacks.
 723         * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
 724         from objects built into ./pth/.
 725         * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
 726         functions for internal entry points.  Update callers to pick
 727         locked vs. unlocked variants.
 728         (__mf_resolve_single_dynamic): Extend to support symbol versioning
 729         info coming in from a static data structure.
 730         (*): Reorder miscellaneous declarations to group data vs functions.
 731         (__mf_set_default_options): Simplify.
 732         (__mf_usage): Mention threading status of host executable.
 733         * mf-impl.h: Move max/min decls here.  Reorganize __mf_dynamic
 734         decls to match above.
 735         (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
 736         * mf-heuristics.c: Choose between locked/unlocked calls.  Add
 737         some lock/unlock markers.  Remove some unused code.
 738         * mf-hooks: Ditto.
 739         (pthread_create): New hook function.
 740         (__mf_pthread_cleanup, _spawner): New helper functions.
 741         * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
 742
 743 2003-05-02  Frank Ch. Eigler  <fche@redhat.com>
 744
 745         * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
 746
 747 2002-04-28  Frank Ch. Eigler  <fche@redhat.com>
 748
 749         * Makefile.am (HOOKOBJS): Add *time related hooks.
 750         * configure.in: Look for pthreads.h header.
 751         * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
 752         * mf-runtime.c: Begin sketching some pthreads support.
 753         (__mf_usage): Check for -lpthread presence.
 754         (__mf_unregister): Confirm matching unregistration base.
 755         (__mf_find_objects_rec): Reduce unnecessary recursion.
 756         * mf-runtime.h.in: Add "nothrow" attribute to functions.  Add
 757         #defines for new hook functions.
 758         * mf-impl.h: Corresponding changes.
 759         * config.h.in, configure, Makefile.in: Regenerated.
 760
 761 2002-04-27  Diego Novillo  <dnovillo@redhat.com>
 762
 763         * testsuite/libmudflap.c/fail1-frag.c: Add volatile
 764         modifiers to prevent being optimized away.
 765         * testsuite/libmudflap.c/fail10-frag.c: Likewise.
 766         * testsuite/libmudflap.c/fail13-frag.c: Likewise.
 767         * testsuite/libmudflap.c/fail14-frag.c: Likewise.
 768         * testsuite/libmudflap.c/fail15-frag.c: Likewise.
 769         * testsuite/libmudflap.c/fail2-frag.c: Likewise.
 770         * testsuite/libmudflap.c/fail20-frag.c: Likewise.
 771         * testsuite/libmudflap.c/fail3-frag.c: Likewise.
 772
 773 2003-04-15  Frank Ch. Eigler  <fche@redhat.com>
 774
 775         * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
 776         * configure.in: Look for uintptr_t and -ldl on target.
 777         * mf-runtime.h.in: Adjust uintptr_t declaration logic.
 778         * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
 779         * testsuite/Makefile.in: Regenerated.
 780         * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
 781         for better C compliance.
 782
 783 2003-04-15  Frank Ch. Eigler  <fche@redhat.com>
 784
 785         * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
 786         prevention code.
 787         * mf-runtime.c (__mf_set_default_options): Turn off
 788         check-initialization.
 789         (__mf_describe_object): Shorten description.
 790         * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
 791
 792 2003-04-07  Frank Ch. Eigler  <fche@redhat.com>
 793
 794         * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
 795
 796 2003-04-02  Frank Ch. Eigler  <fche@redhat.com>
 797
 798         * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
 799         calls specially.
 800         (__mf_0fn_malloc ... _munmap): New dummy backup calls.
 801         * mf-impl.h (CALL_BACKUP): New macros.
 802         * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
 803
 804 2003-03-31  Frank Ch. Eigler  <fche@redhat.com>
 805
 806         * Makefile.am (AM_CFLAGS): Remove optimization flags.
 807         (HOOKOBJS): Remove dlopen hook.
 808         (libmudflap_la_LIBADD): Add -ldl.
 809         * mf-hooks.c (dlopen): Remove hook.
 810         * mf-impl.h (__mf_dynamic): Ditto.
 811         * mf-runtime.c (__mf_resolve_dynamics): Ditto.
 812         * Makefile.in: Regenerated.
 813
 814 2003-03-28  Frank Ch. Eigler  <fche@redhat.com>
 815
 816         * configure.in: Check for target gettimeofday, signal, some headers.
 817         * mf-impl.h (__mf_opts): Add new "sigusr1_report" field.  Comment
 818         out inop multi_threaded field.
 819         * mf-runtime.c (options): Handle new "-sigusr1-report" option.
 820         (__mf_set_options): Correct handling of "-help".
 821         (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
 822         (__mf_check, __mf_register, __mf_unregister): Call it.
 823         (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
 824         (__mf_report_leaks): Make callable
 825         (__mf_tree_analyze): Traverse in-order.  Accumulate address bit
 826         distribution statistics.
 827         (__mf_adapt_cache): Rewrite shift guessing logic based on address
 828         bit distributions.
 829         * config.h.in, configure: Regenerated.
 830         * testsuite/libmudflap.c/fail27-frag.c: New test.
 831         * testsuite/libmudflap.c/pass36-frag.c: New test.
 832
 833 2003-03-11  Frank Ch. Eigler  <fche@redhat.com>
 834
 835         * mf-runtime.h.in: Tweak.
 836         * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
 837         Don't use intermediate files nor AC_OUTPUT-time postprocessing.
 838         * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
 839
 840 2003-03-10  Frank Ch. Eigler  <fche@redhat.com>
 841
 842         * configure.in: Tweak generation of mf-runtime.h some more.  It
 843         needs to work from both config.status and configure.
 844         * configure: Regenerated.
 845
 846 2003-03-10  Frank Ch. Eigler  <fche@redhat.com>
 847
 848         * Makefile.am: Reorganize hook file building.  Add auto dependencies.
 849         * configure.in: Tweak generation of mf-runtime.h.
 850         * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
 851         * mf-hooks.c (*): Adapt to initialized-heap object type.
 852         * mf-impl.h: Tweak cemetary boundaries.
 853         * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
 854         type.
 855         (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
 856         (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
 857         * testsuite/lib/libmudflap.exp (includes): Include build tree.
 858         * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
 859         checking.
 860         * testsuite/.../fail{25,26}-frag.c: New tests.
 861         * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
 862         * Makefile.in, configure: Regenerated.
 863
 864 2003-03-05  Frank Ch. Eigler  <fche@redhat.com>
 865
 866         * mf-runtime.c (__mf_set_default_options): Turn on initialization
 867         checking by default.
 868         (__mf_insert_new_object): As a temporary hack, assume that new
 869         objects registered on the stack start out initialized.
 870         * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
 871         heap objects by hand.
 872
 873 2003-03-05  Frank Ch. Eigler  <fche@redhat.com>
 874
 875         Switch to macro-style hooks for str*/mem*/b* functions.
 876         * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
 877         (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
 878         * mf-runtime.c: #include config.h to enable glibc backtraces again.
 879         (__mf_set_default_options): Turn off heur_proc_map.
 880         (*): Adapt to to macro-style hook functions.
 881         (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
 882         (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
 883         (__mf_violation): Handle __MF_VIOL_WATCH.
 884         * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
 885         (__mf_dynamic): Removed mem*/str*/b* functions.
 886         (TRACE, VERBOSE_TRACE): Add reentrancy locking.
 887         (WRAPPER2): New macro for macro-style hooks.
 888         * mf-hooks.c: Convert mem*/str*/b* functions to simpler
 889         macro-style hooks.
 890         (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
 891         * mf-heuristics.c: Adapt to macro-style hook functions.
 892         Correct some comments.
 893         * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
 894         output pattern tests.
 895         * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
 896         * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
 897
 898 2003-02-28  Frank Ch. Eigler  <fche@redhat.com>
 899
 900         * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
 901         for global array registration.
 902         * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
 903         * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
 904
 905 2003-02-27  Frank Ch. Eigler  <fche@redhat.com>
 906
 907         * Makefile.am: Add gross make bug workarounds.  Tweaked
 908         SUBDIRS and AM_CFLAGS.
 909         * Makefile.in: Regenerated.
 910
 911 2003-02-26  Frank Ch. Eigler  <fche@redhat.com>
 912
 913         Switch to dejagnu.
 914         * configure.in (AC_PROG_CXX): Don't look for C++ any more.
 915         * Makefile.am (TESTS): Remove simple automake testing.
 916         * configure, Makefile.in: Regenerated.
 917         (SUBDIRS): Include new testsuite/ directory.
 918         * tests/*: Removed all files; moved bulk under:
 919         * testsuite/*: New subdirectory tree.
 920         * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
 921         * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
 922         * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
 923         * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
 924         * testsuite/config/default.exp: New file.
 925         * testsuite/Makefile.am, Makefile.in: New files.
 926
 927 2003-01-29  Frank Ch. Eigler  <fche@redhat.com>
 928
 929         * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
 930         (TESTS): Add fail22 and pass29 tests.
 931         * mf-runtime.h.in: Change API to take void*/size_t region parameters.
 932         Add new access-type parameter for __mf_check.  Move __MF_VIOL* out.
 933         * mf-impl.h: Corresponding changes.  Update CLAMP* macros for void*
 934         values.  Move __MF_VIOL* here.
 935         * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
 936         (check_initialization): New field in __mf_opts.  Default off.
 937         (read_count,write_count): New fields in __mf_object.
 938         (__mf_check): Implement basic initialization checking.
 939         (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
 940         (__mf_describe_object): Print new fields.
 941         (__mf_violation): Identify check/read vs. check/write in messages.
 942         * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
 943         "-check-initialized" mudflap option.
 944         * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
 945         * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
 946         Drop __FILE__/__LINE__ hack.  Update callers.
 947         (*): Adapt to new mf-runtime.h API.
 948         * Makefile.in: regenerated.
 949
 950 2003-01-24  Frank Ch. Eigler  <fche@redhat.com>
 951
 952         * configure.in: Build mf-runtime.h a more proper way.
 953         * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
 954         * mf-runtime.c (verbose_violations): Turn on by default.
 955         * mf-runtime.h.in: Remove some miscellaneous stuff ...
 956         * mf-impl.h: ... and move it here.
 957         * configure: Regenerated.
 958
 959 2003-01-22  Frank Ch. Eigler  <fche@redhat.com>
 960
 961         * configure.in: Look for C++ compiler.
 962         * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
 963         fixed type warnings when built with C++.
 964         * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
 965         * Makefile.am (TESTS): Run them.
 966         (*) Add new rules for building and running C++ tests.
 967         (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
 968         * mf-runtime.h.in: Protect with extern "C".
 969         * Makefile, configure: Regenerated.
 970
 971 2003-01-06  Frank Ch. Eigler  <fche@redhat.com>
 972
 973         Portability improvements.
 974         * configure.in: Look for glibc backtrace headers/functions.
 975         * mf-hooks.c: Don't include <execinfo.h> any more.
 976         * mf-runtime.c (__mf_set_options): Call more stdlib functions
 977         via CALL_REAL.
 978         (__mf_backtrace): Provide alternate baby implementation in
 979         absence of glibc.
 980         * test/mf-driver.c: Portability tweaks.
 981         * acinclude.m4: New file, containing top level libtool.m4.
 982         * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
 983
 984 2002-12-19  Frank Ch. Eigler  <fche@redhat.com>
 985
 986         * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
 987
 988 2002-11-08  Frank Ch. Eigler  <fche@redhat.com>
 989
 990         * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
 991         options.
 992         (__mf_unregister): Implement stack/heap object wiping.
 993         (__mf_set_options): Renamed from __mf_process_opts.
 994         (__mf_uncache_object): Change arg type, correct callers.
 995         * mf-impl.h: Corresponding changes.
 996         * mf-hooks.c (realloc): Save/restore heap-wiping flag.
 997         * mf-runtime.h.in (__mf_set_options): Extend public API.
 998         * test/pass26-frag.c: New test for stack wiping.
 999         * Makefile.am (TESTS): Run it.
1000         * Makefile.in: Regenerated.
1001
1002 2002-11-07  Frank Ch. Eigler  <fche@redhat.com>
1003
1004         * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1005         * mf-runtime.c (__mf_object_t): Add watching_p field.
1006         (__mf_watch_or_not): New function to implement
1007         object watch flagging.
1008         (__mf_watch, __mf_unwatch): New wrappers for above.
1009         (__mf_check, __mf_describe_object): Handle objects with watching_p.
1010         (__mf_count_violation): Enlarge array.
1011         (__mf_uncache_object): Renamed from __mf_remove_old_object.  Don't
1012         unlink object.  Clear cache properly.
1013         (__mf_unregister): Unlink object explicitly before uncaching.
1014         * test/fail21-frag.c, pass25-frag.c: New tests.
1015         * Makefile.in, aclocal.m4: Regenerated.
1016
1017 2002-11-05  Frank Ch. Eigler  <fche@redhat.com>
1018
1019         * test/fail20-frag.c: New test for NULL pointer dereferencing.
1020         * Makefile.am (TESTS): Add it.
1021         * test/pass-stratcliff.c: Add decls of stpcpy.
1022         * configure.in: Test for <stdint.h>.  Generate mf-runtime.h in
1023         build tree from config.h and new file mf-runtime.h.in.
1024         * mf-runtime.h.in: Renamed from mf-runtime.h.  Tweak uintptr_t decl.
1025         * Makefile.in, configure, config.h.in: Regenerated.
1026         * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1027         * mf-runtime.c (options, __mf_set_default_options): Support new
1028         default "abbreviate" option.
1029         (__mf_object.description_epoch): New field.
1030         (__mf_describe_object): Conditionally abbreviate objects already
1031         displayed in current epoch.  Accept NULL input to increment epoch.
1032         (__mf_fini, __mf_ini): Reset description epoch.
1033         (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1034         that NULL pointer slot in lookup cache is invalidated.  Register a
1035         NOACCESS region around NULL.
1036         * mf-impl.h: Corresponding changes.
1037
1038 2002-10-16  Frank Ch. Eigler  <fche@redhat.com>
1039
1040         * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1041         * Makefile.am: Run them.  Install mf-runtime.h.
1042         * Makefile.in: Regenerated.
1043         * mf-hooks.c: Add some markers for more missing functions.
1044         * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1045         statistic to tune tune cache size (mask).
1046
1047 2002-10-01  Frank Ch. Eigler  <fche@redhat.com>
1048
1049         * test/pass23-frag.c: New test for bit_field_ref expressions.
1050         * Makefile.am, Makefile.in: Add new test.
1051         * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1052         (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1053         * mf-runtime.c (__mf_init): Register errno global.
1054         (__mf_find_object): Removed function.
1055         (__mf_check): Rewrite logic to support accesses across some
1056         contiguous but distinctly registered objects.
1057         (__mf_remove_old_object): Tolerate cache entries that span
1058         contiguous objects.
1059
1060 2002-09-30  Frank Ch. Eigler  <fche@redhat.com>
1061
1062         * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1063         * Makefile.am, Makefile.in: Run new tests.
1064         * mf-hooks.c (alloca): Correct stack direction logic.
1065
1066 2002-09-26  Frank Ch. Eigler  <fche@redhat.com>
1067
1068         * mf-impl.h (adapt_cache): New option.
1069         * mf-runtime.c (__mf_set_default_options): Set its default value.
1070         Tweak the tree_aging parameter down.
1071         (__mf_check): Maintain separate counter for cache-adaptation.
1072         (__mf_tree_analyze): New function to collect object tree stats.
1073         (__mf_adapt_cache): New function to automate cache parameters.
1074
1075 2002-09-24  Frank Ch. Eigler  <fche@redhat.com>
1076
1077         * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1078         hypothetical #if-0'd argv/envp region registration.
1079         * mf-runtime.c (__mf_init): Add kludged form of above.
1080         (*) Add "heur_argv_environ" flag, default on, to govern this.
1081         * mf-impl.h: Corresponding changes.
1082
1083 2002-09-20  Frank Ch. Eigler  <fche@redhat.com>
1084
1085         * test/fail18-frag.c: New test file for NOACCESS regions.
1086         * Makefile.am (TESTS): Add new test.
1087         * Makefile.in: Regenerated.
1088
1089         * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1090         * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1091         (optimize_object_tree): Remove unused mudflap_option.
1092         * mf-runtime.h (__MF_TYPE_NOACCESS): New region type.  Add printing
1093         support throughout.  Use .._MAX_CEM for cemetary upper bound.
1094         * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1095         regions.
1096         (__mf_object): Add new liveness field for use by tree aging.
1097         (__mf_check): Trigger tree aging when needed.
1098         (__mf_age_tree): New function to decay liveness field.
1099         (__mf_find_objects_rec): Use liveness field to rotate tree.
1100         (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1101         (__mf_unregister): Ditto.
1102         (__mf_register): Tweak duplicate-static message.
1103         (__mf_violation: Tweak nearby-object counter printing.
1104
1105 2002-09-16  Frank Ch. Eigler  <fche@redhat.com>
1106
1107         * test/pass20-frag.c: New test file.
1108         * Makefile.am (TESTS): Reorganize.  Add pass20 test.
1109         * Makefile.in: Regenerated.
1110
1111         * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros.  Update callers.
1112         * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1113         * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1114         entries to avoid repeat registration.
1115         * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1116         (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1117
1118 2002-09-09  Frank Ch. Eigler  <fche@redhat.com>
1119
1120         * Makefile.am: Create test sources with #include, not cat>>.
1121         * Makefile.in: Regenerated.
1122         * test/buildtest.sh: Removed.
1123         * test/driver.c (abort_handler, main): Be quiet.
1124
1125 2002-09-06  Frank Ch. Eigler  <fche@redhat.com>
1126
1127         * test/pass18-frag.c, pass19-frag.c: New tests.
1128         * Makefile.am (check): Run them.  Rebuild test programs each time.
1129         * Makefile.in: Regenerated.
1130
1131 2002-09-06  Frank Ch. Eigler  <fche@redhat.com>
1132
1133         * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1134         overlapping object search.
1135         (__mf_violation): Likewise for nearby objects.
1136         Improve nearby-object listing.
1137
1138         cleanup:
1139         * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1140         * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1141
1142 2002-09-03  Frank Ch. Eigler  <fche@redhat.com>
1143
1144         alloca support:
1145         * Makefile.am (AM_CFLAGS): New definition of needed settings.
1146         (HOOKOBJS): Add alloca-hook.o.
1147         * mf-hooks.c (alloca): New function to implement alloca in libiberty
1148         style.
1149         * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1150         (__mf_backtrace): Reimplement without using alloca.
1151         * Makefile.in: Regenerated.
1152
1153         cleanup:
1154         * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1155         Correct signedness bugs in length-tracking variables.
1156         * mf-impl.h: Make options unsigned.
1157         (CALL_WRAP): New macro to parallel CALL_REAL().
1158         (DECLARE): Remove erroneous ";" at end.
1159         * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1160         formatting specs with %08lx.  Correct several compiler warnings.
1161
1162 2002-08-28  Frank Ch. Eigler  <fche@redhat.com>
1163
1164         * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1165
1166 2002-08-27  Frank Ch. Eigler  <fche@redhat.com>
1167
1168         libmudflap hook breakup:
1169         * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1170         for libgcc_s.
1171         (TESTS): Make dependent on libmudflap.
1172         (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1173         compiled from segments of mf-hooks.c.
1174         * mf-hooks.c: Corresponding changes: wrap each function in
1175         #ifdef/#endif.
1176         * Makefile.in: Regenerated.
1177
1178         Heuristics reorganization:
1179         * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1180         Remove these functions.  Update callers.
1181         (__mf_heuristic_check): Incorporate all the various heuristics.
1182         Encode cacheability/retry judgement into trinary return value.
1183         Separate start-end logic into a separate fallback heuristic.  Only
1184         register relevant /proc/self/map segments.
1185         * mf-impl.h: Corresponding changes.
1186         * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1187         (__mf_init): Don't call __mf_init_heuristics.
1188
1189         Tracing cleanup:
1190         * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1191         "-verbose-trace" to emit all tracing messages other than those of
1192         basic public api.  Eliminate some duplicate/excessive messages.
1193         * mf-runtime.h: Corresponding changes.
1194
1195 2002-08-27  Graydon Hoare  <graydon@redhat.com>
1196
1197         * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1198         and __real when compiled with -DPIC.
1199         * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1200         * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1201         * Makefile.in: Regenerate.
1202
1203 2002-08-26  Graydon Hoare  <graydon@redhat.com>
1204
1205         * mf-impl.h: New file, private implementation header.
1206         * mf-runtime.h: Reorganize a bit.
1207         (CLAMPSZ): Fix arithmetic.
1208         (__MF_CACHE_MISS_P): Fix arithmetic.
1209         * mf-runtime.c: Reorganize a bit.
1210         (__mf_dynamic): New structure.
1211         (resolve_single_dynamic): New function.
1212         (__mf_resolve_dynamics): New function.
1213         (__mf_init): Initialize dynamic wrappers.
1214         * mf-hooks.c: Macro-ize __real calls.
1215         Clamp various bits of arithmetic.
1216         Add explicit __mf_check call contexts.
1217         * Makefile.am: Add dependencies on mf-impl.h
1218         * Makefile.in: Regenerate.
1219         * configure.in: Comment out shared override.
1220         * configure: Regenerate.
1221
1222 2002-08-22  Graydon Hoare  <graydon@redhat.com>
1223
1224         * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1225         (__mf_check): Re-inialize and check heuristics before violation.
1226         (__mf_register): Permit updating pure-guess regions.
1227         * mf-hooks.c (__wrap_free): Correct some free queue logic.
1228         (__wrap_dlopen): New wrapper function.
1229         (__wrap_mmap): New wrapper function.
1230         (__wrap_munmap): New wrapper function.
1231         * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1232         which are not stack addresses.
1233         (is_stack_address): New function.
1234         (__mf_init_heuristics): Save and restore state, always initialize with
1235         "starting" state.
1236
1237 2002-08-21  Frank Ch. Eigler  <fche@redhat.com>
1238
1239         * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1240         error.  Pass location string.
1241         (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1242         * mf-runtime.c (options): Add lc-mask, lc-shift options.
1243         (__mf_process_opts): Apply some sanity checking for lc-mask.
1244         (__mf_check, __mf_violation): Take new location-string argument.
1245         Update callers to pass NULL if necessary.
1246         (__mf_backtrace): New smart backtracer function.  Calls replace
1247         several ad-hoc blocks elsewhere.
1248         (__mf_describe_object): Remove bad reentrancy test.  Improve
1249         tracing message.
1250         * mf-runtime.h: Corresponding changes.  Public/private markup.
1251         (__MF_CACHE_MISS_P): New macro.
1252
1253 2002-08-20  Graydon Hoare  <graydon@redhat.com>
1254
1255         * mf-runtime.h: New option: stack_bound (heuristic).
1256         Move some macros out of implementation files.
1257         * mf-runtime.c: New option string: -stack-bound.
1258         Unify recursion protection with hooks.
1259         Add more logging.
1260         (__mf_check): Call __mf_heuristic_check.
1261         (__mf_process_opts): Fix "no-" processing.
1262         * mf-heuristics.c (__mf_heuristic_check): New function.
1263         * mf-hooks.c: Much off-by-one fixing, recursion protection.
1264
1265 2002-08-20  Frank Ch. Eigler  <fche@redhat.com>
1266
1267         Option parsing improvements, region splitting bug fixes:
1268         * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1269         * mf-runtime.h (heur_proc_map): New libmudflap option.
1270         * mf-runtime.c (__mf_set_default_options): Set it.
1271         (__mf_usage): Print default values/status.
1272         (__mf_process_opts): Support general "no-" option string prefix.
1273         (__mf_init): Print __mf_usage on unknown-option error.
1274         (__mf_register): Print trace message up front.
1275         Correct region splitting logic for case where a subregion disappears.
1276         Correct memory leak.
1277         (__mf_violation): Make even basic message conditional on option.
1278
1279         Build cleanup:
1280         * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1281         (clean-local): New target.
1282         (test/*x rules): Add -g CFLAGS.
1283         (CFLAGS): Add -freorder-blocks.
1284         (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1285         * Makefile.in: Regenerated.
1286         * Makefile, mf-config.h: Removed files.
1287
1288 2002-08-16  Graydon Hoare  <graydon@redhat.com>
1289
1290         * mf-runtime.c (__mf_insert_new_object): Factor out of
1291         __mf_register.
1292         (__mf_remove_old_object): Factor out of __mf_unregister.
1293         (__mf_register): Handle guessed regions, splitting
1294         guesses when new registrations arrive.
1295         (__mf_unregister): Do not unregister guesses.
1296         * mf-runtime.h: Move convenience macros around,
1297         declare new option fields. Add __MF_TYPE_GUESS.
1298         * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1299         (__wrap_free): Call __real_free for deferred frees.
1300         * Makefile.am: Add more tests, fix dependency.
1301         * Makefile.in: Regenerate.
1302         * test/pass[13..17]-frag.c: New testcases.
1303         * test/fail[13..17]-frag.c: New testcases.
1304
1305 2002-08-15  Graydon Hoare  <graydon@redhat.com>
1306
1307         * mf-heuristics.c: New file.
1308         * mf-runtime.c (options): Add -trace-calls option.
1309         (__mf_init): Call __mf_init_heuristics.
1310
1311 2002-08-14  Graydon Hoare  <graydon@redhat.com>
1312
1313         * Makefile.am (TESTS): Add testsuite support.
1314         * Makefile.in: Regenerate.
1315         * test/mf-driver.c: New file.
1316         * test/buildtest.sh: New file.
1317         * test/passNN-frag.c: New testcases.
1318         * test/failNN-frag.c: New testcases.
1319
1320 2002-08-14  Graydon Hoare  <graydon@redhat.com>
1321
1322         * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1323         verifying non-size-limited string extents.
1324
1325 2002-08-14  Frank Ch. Eigler  <fche@redhat.com>
1326
1327         * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1328         instead of plain str[n]len for internal checks.
1329         * mf-runtime.c (__mf_violation): Print optional stack traceback.
1330
1331 2002-08-14  Frank Ch. Eigler  <fche@redhat.com>
1332
1333         * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1334
1335 2002-08-13  Graydon Hoare  <graydon@redhat.com>
1336
1337         * mf-runtime.c: Rework configuration to operate on
1338         environment variable options rather than #defines
1339         (__mf_violation): Add simple fork-a-gdb violaiton mode.
1340         (__mf_init): Set static __mf_active_p flag on startup,
1341         to inhibit mudflap wrap-based checking during crt0.s.
1342         * mf-runtime.h: Declare options structure.
1343         * mf-hooks.c: New wrappings for mem*, b*, str*
1344         libc functions (temporarily #if 0-ed out).
1345
1346 2002-08-12  Frank Ch. Eigler  <fche@redhat.com>
1347
1348         * Makefile.am, configure.in: New files.
1349         * Makefile.in, Makefile, configure, config.h.in: New generated files.
1350         * stamp-h.in, aclocal.m4: Ditto.
1351
1352 2002-08-08  Frank Ch. Eigler  <fche@redhat.com>
1353
1354         * Makefile: New file.
1355         * mf-config.h: New file: runtime configuration.
1356         * mf-hooks.c: New file: interposed libc functions.
1357         * mf-runtime.c: New file: bulk of runtime.
1358         * mf-runtime.h: New file: public functions.