libmudflap/ChangeLog

   1 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
   2
   3         PR mudflap/19266
   4         * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
   5         * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
   6
   7 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
   8
   9         * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
  10
  11 2005-03-31  Mike Stump  <mrs@apple.com>
  12
  13         * mf-runtime.h: Add libmudflap copyright clause.
  14
  15 2005-03-21  Mike Stump  <mrs@apple.com>
  16
  17         * mf-heuristics.c: Fix whitespace at end of line.
  18         * mf-hooks1.c: Likewise.
  19         * mf-hooks2.c: Likewise.
  20         * mf-hooks3.c: Likewise.
  21         * mf-impl.h: Likewise.
  22         * mf-runtime.c: Likewise.
  23         * mf-runtime.h: Likewise.
  24
  25 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
  26
  27         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
  28         In all substitutions, expand gcc_version in Makefile.
  29         * aclocal.m4, configure: Regenerate.
  30         * Makefile.am: Set gcc_version.
  31         * Makefile.in, testsuite/Makefile.in: Regenerate.
  32
  33 2005-03-17  Frank Ch. Eigler  <fche@redhat.com>
  34
  35         * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
  36         * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
  37
  38 2005-02-13  Frank Ch. Eigler  <fche@redhat.com>
  39
  40         PR mudflap/19319
  41         * testsuite/libmudflap.c++/pass55-frag.c: New test.
  42
  43 2005-01-05  Richard Henderson  <rth@redhat.com>
  44
  45         * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
  46
  47 2005-01-02  Greg McGary  <greg@mcgary.org>
  48
  49         * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
  50         * mf-runtime.h: New file, replaces mf-runtime.h.in.
  51         * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
  52         * Makefile.in: Ditto.
  53         * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
  54         * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
  55         * testsuite/libmudflap.c/fail36-frag.c: New test.
  56         * testsuite/libmudflap.c/fail37-frag.c: New test.
  57         * testsuite/libmudflap.c/fail38-frag.c: New test.
  58
  59 2004-12-08  Kelley Cook  <kcook@gcc.gnu.org>
  60
  61         * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
  62         * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
  63
  64 2004-12-02  Richard Sandiford  <rsandifo@redhat.com>
  65
  66         * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
  67         * aclocal.m4: Include ../config/gcc-version.m4.
  68         * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
  69
  70 2004-11-29  Kelley Cook  <kcook@gcc.gnu.org>
  71
  72         * Makefile.am: Define ACLOCAL_AMFLAGS.
  73         * acinclude.m4: Remove.
  74         * stamp-h.in: Remove superfluous stamp file.
  75         * aclocal.m4, configure, Makefile.in: Regenerate.
  76         * testsuite/Makefile.in: Likewise.
  77
  78 2004-11-24  Kelley Cook  <kcook@gcc.gnu.org>
  79
  80         * Makefile.am: Revert previous.
  81         * acinclude.m4: Restore.
  82         * aclocal.m4, configure, Makefile.in: Regenerate.
  83         * testsuite/Makefile.in: Likewise.
  84
  85 2004-11-24  Kelley Cook  <kcook@gcc.gnu.org>
  86
  87         * Makefile.am: Define ACLOCAL_AMFLAGS.
  88         * acinclude.m4: Remove.
  89         * aclocal.m4, configure, Makefile.in: Regenerate.
  90         * testsuite/Makefile.in: Likewise.
  91
  92 2004-11-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
  93
  94         * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
  95
  96 2004-11-23  Kelley Cook  <kcook@gcc.gnu.org>
  97
  98         * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
  99         * testsuite/Makefile.in: Likewise.
 100
 101 2004-11-01  Andreas Schwab  <schwab@suse.de>
 102
 103         * configure.ac: (target_alias): Default to $host_alias, not
 104         $target.
 105         * configure: Regenerated.
 106
 107 2004-10-28  Frank Ch. Eigler  <fche@redhat.com>
 108
 109         * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
 110         * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
 111         message.
 112
 113 2004-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
 114
 115         PR other/18138
 116         * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
 117
 118 2004-10-12  Frank Ch. Eigler  <fche@redhat.com>
 119
 120         * configure.ac: Check for more headers, functions.
 121         * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
 122         tracking overridden FILE buffers.
 123         (fopen, setvbuf): New/revised hook functions for buffer overriding.
 124         (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
 125         (fflush): Accept given NULL stream (means "all streams").
 126         * mf-runtime.h.in:
 127         * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
 128         HEAP/GUESS objects.
 129         (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
 130         (__mf_adapt_cache): Use them all.
 131         * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
 132         * testsuite/libmudflap.c++/ctors.exp: Ditto.
 133         * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
 134         * configure, config.h.in: Regenerated.
 135
 136 2004-10-05  Frank Ch. Eigler  <fche@redhat.com>
 137
 138         * configure.ac: Checking for sys/socket.h once is enough.
 139         * configure: Regenerated.
 140
 141 2004-10-04  Frank Ch. Eigler  <fche@redhat.com>
 142
 143         * configure.ac: Look for more headers & functions.
 144         * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
 145         * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
 146         * mf-runtime.c (options): Clean up integer signedness warnings.
 147         (main): Add a declaration to fix a warning.
 148         * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
 149         * configure, config.h.in: Regenerated.
 150
 151 2004-10-02  Frank Ch. Eigler  <fche@redhat.com>
 152
 153         * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
 154         New tests for proper base/limit checking for aggregates.
 155
 156 2004-09-15  Joseph S. Myers  <jsm@polyomino.org.uk>
 157
 158         * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
 159
 160 2004-09-07  Frank Ch. Eigler  <fche@redhat.com>
 161
 162         * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
 163         * mf-hooks2.c (strerror): Unregister previous string returned by
 164         previous strerror.
 165         (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
 166         (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
 167         * mf-runtime.h.in: Add redefine_extname pragmas for them all.
 168         * mf-runtime.c (__mf_describe_object): Clarify object life status.
 169         * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
 170         New tests.
 171         * configure, config.h.in: Regenerated.
 172
 173 2004-08-03  Dale Johannesen  <dalej@apple.com>
 174
 175          * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
 176
 177 2004-08-03  Frank Ch. Eigler  <fche@redhat.com>
 178
 179         * mf-runtime.c (compare_uintptr_t): Remove function.  Inline
 180         simplified contents in all former callers.
 181
 182 2004-07-27  Ulrich Weigand  <weigand@informatik.uni-erlangen.de>
 183
 184         * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
 185         the statically linked case.
 186
 187 2004-07-27  Frank Ch. Eigler  <fche@redhat.com>
 188
 189         * splay-tree.[ch]: Remove.  Merge contents into ...
 190         * mf-runtime.c: ... here, renaming symbols and making all functions
 191         static.  Remove unused min/max functions.
 192         * Makefile.am: Forget about splay-tree.[ch].
 193         * Makefile.in, testsuite/Makefile.in: Regenerated.
 194
 195 2004-07-21  Frank Ch. Eigler  <fche@redhat.com>
 196
 197         * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
 198         (__mfu_usage): Include (C) 2004.
 199         * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
 200         here.  Include a comment explaining why.
 201
 202 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
 203
 204         * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
 205         * mf-runtime.c (options): Give them a name.
 206         (__mf_set_default_options): Set them.
 207         (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
 208         (__mf_violation): Warning cleanup.
 209         * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
 210         * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
 211
 212 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
 213
 214         g++/15861
 215         * mf-runtime.c (__mf_init): Make it non-static.  Tolerate
 216         repeated invocation.
 217
 218 2004-07-09  Frank Ch. Eigler  <fche@redhat.com>
 219
 220         Test case for g++/15861
 221         * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
 222         * testsuite/libmudflap.c++/ctors.exp: Driver.
 223         * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
 224         Look only for *frag* test cases.
 225
 226 2004-07-08  Frank Ch. Eigler  <fche@redhat.com>
 227
 228         ANSI C conversion, libmudflap specialization, recursion limiting.
 229         * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
 230         argument and indirection function pointers, update callers.
 231         (splay_tree_s): Add statistics and recursion control fields
 232         num_keys, max_depth, depth, rebalance_p.
 233         * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
 234         Back out of search if it exceeds limit.
 235         (splay_tree_splay): Manage recursion limiting with rebalancing as
 236         needed.
 237         (splay_tree_new): More initialization.
 238         (splay_tree_rebalance): New function.
 239         (splay_tree_foreach): Rewrite using nonrecursive logic.
 240         (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
 241         Remove.  Point indirect calls to mf-runtime.c's routines.
 242         (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
 243         functions.
 244         (splay_tree_delete, splay_tree_delete_helper): Ditto.
 245         * testsuite/heap-scalestress.c: New test based on one from
 246         Eyal Lebedinsky <eyal@eyal.emu.id.au>:
 247
 248 2004-07-05  Matthias Klose  <doko@debian.org>
 249
 250         * libtool-version: New.
 251         * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
 252         Use -version-info for soname.
 253         * Makefile.in: Regenerate.
 254         * configure.ac: Remove libtool_VERSION macro
 255         * configure: Regenerate
 256
 257 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
 258
 259         * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
 260         __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
 261         #ifndef _MUDFLAP.
 262
 263 2004-06-29  Frank Ch. Eigler  <fche@redhat.com>
 264
 265         Splay tree implementation fork.
 266         * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
 267         Use hard-coded comparison function for uintptr_t.  Remove key/value
 268         deallocation logic.  Cache last splayed key for consecutive lookups.
 269         * Makefile.am, Makefile.in: Use them, don't link to them.
 270         * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
 271         (__mf_find_objects2): Flip successor/predecessor search sequence.
 272         * ansidecl.h, libiberty.h: Removed dummy files.
 273
 274 2004-06-29  Nick Clifton  <nickc@redhat.com>
 275
 276         * configure.ac (AC_CHECK_HEADERS): Add dirent.h
 277         * configure: Regenerate.
 278         * mf-hooks2.c: Surround uses of dirent.h with #ifdef
 279         HAVE_DIRENT_H.
 280         Remove spurious inclusion of <strings.h>.
 281
 282 2004-06-29  Nick Clifton  <nickc@redhat.com>
 283
 284         * mf-runtime.c (pthread_join): Only apply the weak pragma if the
 285         function actually exists.
 286
 287 2004-06-25  Frank Ch. Eigler  <fche@redhat.com>
 288
 289         * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
 290         * config.h.in: Regenerated.
 291
 292 2004-06-24  Frank Ch. Eigler  <fche@redhat.com>
 293
 294         Adopt splay trees for object database.
 295         * Makefile.am: Copy splay-tree.* from libiberty.
 296         * Makefile.in, testsuite/Makefile.in: Regenerated.
 297         * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
 298         * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
 299         * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
 300         * mf-runtime.c: Rewrite code dealing with object database to use
 301         libiberty splay trees.  Remove tree liveness aging option.
 302         * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
 303
 304 2004-06-15  Paolo Bonzini  <bonzini@gnu.org>
 305
 306         * configure.ac: New name of configure.in.  Update
 307         AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
 308         AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
 309         Autoconf 2.5x and Automake 1.7 or later.
 310         * configure.in: Remove.
 311         * configure: Regenerate.
 312
 313         * Makefile.am: Remove useless multilib rules.
 314         * Makefile.in: Regenerate.
 315
 316 2004-06-15  Paolo Bonzini  <bonzini@gnu.org>
 317
 318         * .cvsignore: New file.
 319
 320 2004-06-10  Stephen Crowley  <stephen.crowley@sbcglobal.net>
 321
 322         PR libmudflap/13505
 323         * mf-hooks2.c (semctl): Add cygwin porting hack.
 324
 325 2004-06-09  Frank Ch. Eigler  <fche@redhat.com>
 326
 327         ctype support.
 328         * configure.in: Look for ctype header and glibc implementation.
 329         * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
 330         array hooks for glibc 2.3.
 331         * mf-runtime.h.in: Wrap them.
 332         * mf-runtime.c (__mf_init): Leave marker regarding other ctype
 333         implementations.
 334         * testsuite/libmudflap.c/pass47-frag.c: New test.
 335         * configure, config.h.in: Regenerated.
 336
 337 2004-06-04  Frank Ch. Eigler  <fche@redhat.com>
 338
 339         Portability improvements, e.g., libmudflap/15293.
 340         * configure.in: Look for glibc extension functions.  Look for
 341         support of -f{function,data}-sections.  Look for more headers.
 342         Create testsuite/mfconfig.exp.  Correct more "test x.." thinkos.
 343         * Makefile.am: Use $(SECTION_FLAGS).  Collapse piecemeal-compiled
 344         mf-hooks* into usual single object per source.
 345         * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
 346         * mf-hooks2.c: #include a bunch more system headers.  Define strnlen
 347         if system doesn't provide one.
 348         * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
 349         (pthread_create): Use it to properly GC dead thread stacks.
 350         * mf-runtime.c (__mf_violation): Correct snprintf type warning.
 351         * testsuite/Makefile.am: Stop generating site.exp.
 352         * testsuite/mfconfig.exp.in: New file.
 353         * testsuite/config/default.exp: Load new mfconfig.exp.
 354         * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
 355         (prune_gcc_output): Add glibc static linking warnings.
 356         * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
 357         * testsuite/libmudflap.c/pass46-frag.c: Ditto.
 358         * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
 359         Regenerated with autoconf 2.57 and automake 1.7.
 360
 361 2004-06-04  Per Bothner  <per@bothner.com>
 362
 363         * configure.in (LIBMUDFLAPTH):  Fix thinko.
 364
 365         * configure.in:  Check for more headers.
 366         * mf-hooks2.c:  Conditionalize on HAVE_SYS_SOCKET_H etc.
 367
 368         * mf-runtime.c:  In two places conditionalize on SIUSR1 rather than
 369         HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
 370
 371 2004-06-01  Andreas Jaeger  <aj@suse.de>
 372
 373         * configure.in: Handle multilibs, support
 374         --enable-version-specific-runtime-libs.
 375         * Makefile.am (lib_LTLIBRARIES): Rename to ...
 376         (toolexeclib_LTLIBRARIES): this for multilib support.
 377         * Makefile.in: Regenerated.
 378         * configure: Regenerated.
 379         * aclocal.m4: Regenerated.
 380         * config.h.in: Regenerated.
 381         * testsuite/Makefile.in: Regenerated.
 382
 383 2004-06-01  Andreas Jaeger  <aj@suse.de>
 384
 385         * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
 386         multilibs, using multilib directory instead of hardcoded path.
 387         Set LD_RUN_PATH.
 388
 389 2004-05-21  Frank Ch. Eigler  <fche@redhat.com>
 390
 391         * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
 392         * Makefile.in: Ditto.
 393
 394 2004-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
 395
 396         * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
 397         * aclocal.m4, configure: Rebuilt.
 398
 399 2004-05-17  Frank Ch. Eigler  <fche@redhat.com>
 400
 401         * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
 402         import some build settings from libstdc++-v3 testsuite_flags.
 403         * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
 404         changes to pass test language.
 405
 406         * mf-runtime.c (__mfu_check): Poison the cache with antidote for
 407         quicker mode-nop handling.
 408
 409 2004-03-25  Frank Ch. Eigler  <fche@redhat.com>
 410
 411         * mf-impl.h: Added libgcc license header.
 412
 413 2004-03-20  Frank Ch. Eigler  <fche@redhat.com>
 414
 415         * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
 416         Added libgcc license header.
 417         * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
 418         (pthread_create): Simplify stack allocation syntax.
 419
 420 2004-03-08  Loren J. Rittle  <ljrittle@acm.org>
 421
 422         * mf-hooks2.c: Support FreeBSD.
 423         (WRAP_gets): Avoid gets().
 424         * testsuite/libmudflap.c/pass-stratcliff.c: Do not
 425         test unimplemented mem/str calls on FreeBSD.
 426         * testsuite/libmudflap.c/pass21-frag.c: Do not include
 427         <alloca.h> on FreeBSD.
 428
 429 2004-01-30  Frank Ch. Eigler  <fche@redhat.com>
 430
 431         * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
 432         * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
 433         * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
 434         flags for static linking permutation.
 435         * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
 436         some pthreads code that croaks on linux glibc tls.
 437
 438 2004-01-27  Frank Ch. Eigler  <fche@redhat.com>
 439
 440         * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
 441
 442 2004-01-15  Frank Ch. Eigler  <fche@redhat.com>
 443
 444         * testsuite/libmudflap.c/pass44-frag.c: New test.
 445
 446 2004-01-12  Frank Ch. Eigler  <fche@redhat.com>
 447
 448         * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
 449
 450 2004-01-08  Frank Ch. Eigler  <fche@redhat.com>
 451
 452         * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
 453
 454 2003-12-11  Frank Ch. Eigler  <fche@redhat.com>
 455
 456         * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
 457
 458 2003-12-08  Andrew Pinski  <pinskia@physics.uc.edu>
 459
 460         PR libmudflap/12670
 461         * configure.in: Add check for see if
 462         socklen_t typedef is in sys/socket.h.
 463         * mf-hooks1.c: Add define if socklen_t
 464         is not typedef.
 465         * mf-hooks2.c: Likewise.
 466         * mf-hooks3.c: Likewise.
 467         * config.h.in: Regen.
 468         * configure: Regen.
 469
 470 2003-12-08  Frank Ch. Eigler  <fche@redhat.com>
 471
 472         * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
 473         * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
 474         optimizations.
 475         * testsuite/libmudflap.c/pass25-frag.c: Ditto.
 476         * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
 477         (unoptimized) allocation of stack space.
 478
 479 2003-12-07  Richard Henderson  <rth@redhat.com>
 480
 481         * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
 482         * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
 483
 484 2003-12-06  Andrew Pinski <apinski@apple.com>
 485
 486         partial PR libmudflap/12670
 487         * mf-hooks1.c: Respect Darwin checks.  Conditionalize POSIX_SOURCE.
 488         * mf-hooks2.c: Likewise.
 489         * mf-hooks3.c: Likewise.
 490
 491 2003-11-19  Frank Ch. Eigler  <fche@redhat.com>
 492
 493         libstdc++/11696
 494         * mf-runtime.h.in: Switch to #pragma redefine_extname for
 495         symbols interposed at compile time.
 496         * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
 497
 498         libmudflap/12939
 499         * mf-hooks2.c (semctl): Tolerate FreeBSD.
 500
 501         * configure.in: Reorganize check for <pthread.h>.
 502         * configure: Regenerated.
 503
 504 2003-11-04  David Edelsohn  <edelsohn@gnu.org>
 505
 506         * mf-runtime.c (_ALL_SOURCE): Define for AIX.
 507         (_LARGE_FILE_API): Define for AIX.
 508         * mf-hooks[123]: Same.
 509         (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
 510
 511 2003-10-21  David Edelsohn  <edelsohn@gnu.org>
 512
 513         * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
 514
 515 2003-07-29  Frank Ch. Eigler  <fche@redhat.com>
 516
 517         2003-07-29  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
 518
 519         * configure.in: Update check for union semun.
 520
 521 2003-07-29  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
 522
 523         PR other/11673
 524         * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
 525
 526 2003-07-29  Frank Ch. Eigler  <fche@redhat.com>
 527
 528         PR other/11673
 529         * configure.in: Add checks for 64-bit LFS functions, struct semun
 530         definition, for BSD compatibility.
 531         * mf-hooks1.c: Respect BSD checks.  Conditionalize POSIX_SOURCE.
 532         * mf-hooks2.c: Ditto.  Include <strings.h> for bcmp* decls.
 533         * mf-hooks3.c: Ditto.
 534         (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
 535         mmap flag.
 536         * configure, config.h.in: Regenerated.
 537
 538 2003-07-23  Frank Ch. Eigler  <fche@redhat.com>
 539
 540         Multithreading fixes:
 541         * mf-runtime.c (__mf_object): Store allocating/deallocating
 542         thread id.
 543         (options): Support new "-thread-stack" option.
 544         Rename "-heur-argv-environ" option to "-heur-stdlib".
 545         Disable "-lc-mask" and "-lc-shift" options.
 546         (__mf_dynamic): Add function pointers for pthread_join/_exit.
 547         (__assert_fail): New self-contained function for glibc.
 548         * mf-hooks3.c: Essentially rewritten, particularly related to
 549         use of __mf_pthread_info array.
 550         (pthread_join, _exit): New hook functions.
 551         * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
 552         * testsuite/libmudflap.cth/pass40-frag.c: New test.
 553
 554         Warning cleanups:
 555         * mf-heuristics.c: Add type casts for tracing, sub calls.
 556         * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
 557         Update all callers to declare explicit result holder.
 558         (END_PROTECT): Removed.
 559         * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
 560
 561 2003-07-15  Diego Novillo  <dnovillo@redhat.com>
 562
 563         * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
 564         * testsuite/libmudflap.c/fail15-frag.c: Likewise.
 565         * testsuite/libmudflap.c/fail13-frag.c: Likewise.
 566
 567 2003-07-04  Frank Ch. Eigler  <fche@redhat.com>
 568
 569         * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
 570         * mf-hooks: Removed.
 571         * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
 572         Move these macros from old mf-hooks.c here.
 573         * Makefile.am: Adapt to split-up hook sources for faster builds.
 574         * Makefile.in: Regenerated.
 575
 576         * mf-heuristics.c: Remove #if-0 block.
 577
 578         * mf-impl.h (__mf_state): Reorganize declaration and implementation.
 579         (__mf_starting_p): New state only for use while dlsym bootstrapping.
 580         (CALL_REAL, __mf_init): Corresponding changes.
 581         (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix.  Update
 582         all callers to remove redundant "mf:" prefix.
 583         * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
 584         * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
 585         (__mf_pthread_info): Become a hash table.
 586
 587         * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
 588         "dg-repetitions" directives to control test case execution.
 589         * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
 590         options.
 591         * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
 592
 593 2003-06-25  Frank Ch. Eigler  <fche@redhat.com>
 594
 595         * mf-hooks.c (alloca): Separate into stub.
 596         (__mf_wrap_alloca_indirect): New function.  Use CALL_REAL
 597         malloc/free for alloca blocks.
 598         (pthread_create): Tolerate failing pthread_attr_get* calls.
 599         * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
 600         * mf-impl.h (CALL_WRAP): Remove macro.
 601         * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
 602         * testsuite/libmudflap.c/pass23-frag.c: Include more struct
 603         padding for ia64 BIT_FIELD_REF constructs.
 604
 605 2003-06-19  Frank Ch. Eigler  <fche@redhat.com>
 606
 607         * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
 608         (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
 609         libmudflap object type.
 610         * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
 611         crashes on unregistering STATIC objects.
 612
 613 2003-06-17  Frank Ch. Eigler  <fche@redhat.com>
 614
 615         Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
 616         * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
 617         (time, strerror, fopen, fopen64, fclose, fread): New hooks.
 618         (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
 619         (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
 620         (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
 621         (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
 622         (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
 623         (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
 624         (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
 625         (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
 626         (accept, bind, connect, gethostname, sethostname): New hooks.
 627         (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
 628         (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
 629         (semop, semctl, shmctl, shmat, shmdt): New hooks.
 630         * mf-runtime.h.in: Corresponding changes.
 631         * mf-runtime.c (__mf_ini): Register stdio objects.  Use STATIC type.
 632         (opts) Rename heur_argv_environ to heur_std_data.
 633         (__mf_wrap_main): Use STATIC type for argv/environ strings.
 634         * Makefile.am: Corresponding changes.
 635         * Makefile.in: Regenerated.
 636
 637 2003-06-11  Frank Ch. Eigler  <fche@redhat.com>
 638
 639         * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
 640         heuristic for threaded case, and for non-x86-linux targets.
 641         * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
 642         for use during pre-main() program startup.
 643         (__mf_0fn_*): Make these functions non-static.
 644         * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
 645         functions.
 646         * mf-runtime.c (__mf_state): Set initial state to "starting".
 647         (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
 648         (__wrap_main): New function to register argv[] and environ[] strings.
 649         (__mf_ini): Call it.
 650         (*): In all trace functions, use "%p" as formatter for uintptr_t.
 651
 652         * testsuite/libmudflap.c/pass38-frag.c: New test case.
 653         * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
 654
 655         * acinclude.m4: Add comments with aoliva's concerns about x86_64
 656         pass_all.
 657         * aclocal.m4, configure: Regenerated.
 658
 659 2003-06-04  Frank Ch. Eigler  <fche@redhat.com>
 660
 661         * acinclude.m4: Correct typo in AC_MSG_CHECKING.
 662         * aclocal.m4, configure: Regenerated.
 663
 664 2003-06-03  Frank Ch. Eigler  <fche@redhat.com>
 665
 666         * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
 667         for x86_64 target.  Disable caching for this value.
 668         * aclocal.m4, configure: Regenerated.
 669
 670 2003-06-02  Frank Ch. Eigler  <fche@redhat.com>
 671
 672         * testsuite/libmudflap.c/pass38-frag.c: Deleted.  -fwritable-strings
 673         is about to become deprecated, and its present handling bugs are
 674         unworthy of fixing.
 675
 676 2003-05-30  Frank Ch. Eigler  <fche@redhat.com>
 677
 678         * testsuite/libmudflap.c/pass38-frag.c: New test for
 679         -fwritable-strings.
 680
 681 2003-05-23  Frank Ch. Eigler  <fche@redhat.com>
 682
 683         * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
 684         __mf_report, asserting reentrant calling context.
 685
 686 2003-05-23  Frank Ch. Eigler  <fche@redhat.com>
 687
 688         * mf-hooks.c (realloc): Correct reentrancy logic.
 689         * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
 690
 691 2003-05-20  Frank Ch. Eigler  <fche@redhat.com>
 692
 693         * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
 694         PTHREAD_THREADS_MAX.  Update users.
 695         * mf-runtime.c (__mf_usage): Print [active] instead of [default]
 696         for active options.
 697         * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
 698         with libmudflapth presence indicator.
 699         * testsuite/Makefile.in: Regenerated.
 700
 701 2003-05-16  Frank Ch. Eigler  <fche@redhat.com>
 702
 703         * Makefile.am (AM_CFLAGS): Remove "-ansi".
 704         * configure.in: Remove silly no-pthreads => no-shared logic.
 705         * Makefile.in, configure: Regenerated.
 706         * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
 707         * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
 708         code.  Count reentrancy events.
 709         (all hook functions): Don't directly manipulate __mf_state variable.
 710         Add TRACE calls to hook functions without them.
 711         * mf-impl.h (LOCKTH): Try to count lock contention events.
 712         (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
 713         * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
 714         Reorganize reentrancy code.
 715         (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
 716         identify reentrancy with mutex holding times.
 717         (internal __mfu_ entry points): Remove internal reentrancy code.
 718         (__mf_init): Use ordinary locked calls.
 719         (__mfu_report): Print the two new counts.
 720         * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
 721         * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
 722         * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
 723         * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
 724         option defaults.
 725
 726 2003-05-09  Frank Ch. Eigler  <fche@redhat.com>
 727
 728         * configure.in: Add pthread support, plus glibc and porting hacks.
 729         * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
 730         from objects built into ./pth/.
 731         * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
 732         functions for internal entry points.  Update callers to pick
 733         locked vs. unlocked variants.
 734         (__mf_resolve_single_dynamic): Extend to support symbol versioning
 735         info coming in from a static data structure.
 736         (*): Reorder miscellaneous declarations to group data vs functions.
 737         (__mf_set_default_options): Simplify.
 738         (__mf_usage): Mention threading status of host executable.
 739         * mf-impl.h: Move max/min decls here.  Reorganize __mf_dynamic
 740         decls to match above.
 741         (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
 742         * mf-heuristics.c: Choose between locked/unlocked calls.  Add
 743         some lock/unlock markers.  Remove some unused code.
 744         * mf-hooks: Ditto.
 745         (pthread_create): New hook function.
 746         (__mf_pthread_cleanup, _spawner): New helper functions.
 747         * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
 748
 749 2003-05-02  Frank Ch. Eigler  <fche@redhat.com>
 750
 751         * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
 752
 753 2002-04-28  Frank Ch. Eigler  <fche@redhat.com>
 754
 755         * Makefile.am (HOOKOBJS): Add *time related hooks.
 756         * configure.in: Look for pthreads.h header.
 757         * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
 758         * mf-runtime.c: Begin sketching some pthreads support.
 759         (__mf_usage): Check for -lpthread presence.
 760         (__mf_unregister): Confirm matching unregistration base.
 761         (__mf_find_objects_rec): Reduce unnecessary recursion.
 762         * mf-runtime.h.in: Add "nothrow" attribute to functions.  Add
 763         #defines for new hook functions.
 764         * mf-impl.h: Corresponding changes.
 765         * config.h.in, configure, Makefile.in: Regenerated.
 766
 767 2002-04-27  Diego Novillo  <dnovillo@redhat.com>
 768
 769         * testsuite/libmudflap.c/fail1-frag.c: Add volatile
 770         modifiers to prevent being optimized away.
 771         * testsuite/libmudflap.c/fail10-frag.c: Likewise.
 772         * testsuite/libmudflap.c/fail13-frag.c: Likewise.
 773         * testsuite/libmudflap.c/fail14-frag.c: Likewise.
 774         * testsuite/libmudflap.c/fail15-frag.c: Likewise.
 775         * testsuite/libmudflap.c/fail2-frag.c: Likewise.
 776         * testsuite/libmudflap.c/fail20-frag.c: Likewise.
 777         * testsuite/libmudflap.c/fail3-frag.c: Likewise.
 778
 779 2003-04-15  Frank Ch. Eigler  <fche@redhat.com>
 780
 781         * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
 782         * configure.in: Look for uintptr_t and -ldl on target.
 783         * mf-runtime.h.in: Adjust uintptr_t declaration logic.
 784         * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
 785         * testsuite/Makefile.in: Regenerated.
 786         * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
 787         for better C compliance.
 788
 789 2003-04-15  Frank Ch. Eigler  <fche@redhat.com>
 790
 791         * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
 792         prevention code.
 793         * mf-runtime.c (__mf_set_default_options): Turn off
 794         check-initialization.
 795         (__mf_describe_object): Shorten description.
 796         * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
 797
 798 2003-04-07  Frank Ch. Eigler  <fche@redhat.com>
 799
 800         * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
 801
 802 2003-04-02  Frank Ch. Eigler  <fche@redhat.com>
 803
 804         * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
 805         calls specially.
 806         (__mf_0fn_malloc ... _munmap): New dummy backup calls.
 807         * mf-impl.h (CALL_BACKUP): New macros.
 808         * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
 809
 810 2003-03-31  Frank Ch. Eigler  <fche@redhat.com>
 811
 812         * Makefile.am (AM_CFLAGS): Remove optimization flags.
 813         (HOOKOBJS): Remove dlopen hook.
 814         (libmudflap_la_LIBADD): Add -ldl.
 815         * mf-hooks.c (dlopen): Remove hook.
 816         * mf-impl.h (__mf_dynamic): Ditto.
 817         * mf-runtime.c (__mf_resolve_dynamics): Ditto.
 818         * Makefile.in: Regenerated.
 819
 820 2003-03-28  Frank Ch. Eigler  <fche@redhat.com>
 821
 822         * configure.in: Check for target gettimeofday, signal, some headers.
 823         * mf-impl.h (__mf_opts): Add new "sigusr1_report" field.  Comment
 824         out inop multi_threaded field.
 825         * mf-runtime.c (options): Handle new "-sigusr1-report" option.
 826         (__mf_set_options): Correct handling of "-help".
 827         (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
 828         (__mf_check, __mf_register, __mf_unregister): Call it.
 829         (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
 830         (__mf_report_leaks): Make callable
 831         (__mf_tree_analyze): Traverse in-order.  Accumulate address bit
 832         distribution statistics.
 833         (__mf_adapt_cache): Rewrite shift guessing logic based on address
 834         bit distributions.
 835         * config.h.in, configure: Regenerated.
 836         * testsuite/libmudflap.c/fail27-frag.c: New test.
 837         * testsuite/libmudflap.c/pass36-frag.c: New test.
 838
 839 2003-03-11  Frank Ch. Eigler  <fche@redhat.com>
 840
 841         * mf-runtime.h.in: Tweak.
 842         * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
 843         Don't use intermediate files nor AC_OUTPUT-time postprocessing.
 844         * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
 845
 846 2003-03-10  Frank Ch. Eigler  <fche@redhat.com>
 847
 848         * configure.in: Tweak generation of mf-runtime.h some more.  It
 849         needs to work from both config.status and configure.
 850         * configure: Regenerated.
 851
 852 2003-03-10  Frank Ch. Eigler  <fche@redhat.com>
 853
 854         * Makefile.am: Reorganize hook file building.  Add auto dependencies.
 855         * configure.in: Tweak generation of mf-runtime.h.
 856         * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
 857         * mf-hooks.c (*): Adapt to initialized-heap object type.
 858         * mf-impl.h: Tweak cemetary boundaries.
 859         * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
 860         type.
 861         (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
 862         (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
 863         * testsuite/lib/libmudflap.exp (includes): Include build tree.
 864         * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
 865         checking.
 866         * testsuite/.../fail{25,26}-frag.c: New tests.
 867         * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
 868         * Makefile.in, configure: Regenerated.
 869
 870 2003-03-05  Frank Ch. Eigler  <fche@redhat.com>
 871
 872         * mf-runtime.c (__mf_set_default_options): Turn on initialization
 873         checking by default.
 874         (__mf_insert_new_object): As a temporary hack, assume that new
 875         objects registered on the stack start out initialized.
 876         * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
 877         heap objects by hand.
 878
 879 2003-03-05  Frank Ch. Eigler  <fche@redhat.com>
 880
 881         Switch to macro-style hooks for str*/mem*/b* functions.
 882         * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
 883         (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
 884         * mf-runtime.c: #include config.h to enable glibc backtraces again.
 885         (__mf_set_default_options): Turn off heur_proc_map.
 886         (*): Adapt to to macro-style hook functions.
 887         (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
 888         (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
 889         (__mf_violation): Handle __MF_VIOL_WATCH.
 890         * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
 891         (__mf_dynamic): Removed mem*/str*/b* functions.
 892         (TRACE, VERBOSE_TRACE): Add reentrancy locking.
 893         (WRAPPER2): New macro for macro-style hooks.
 894         * mf-hooks.c: Convert mem*/str*/b* functions to simpler
 895         macro-style hooks.
 896         (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
 897         * mf-heuristics.c: Adapt to macro-style hook functions.
 898         Correct some comments.
 899         * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
 900         output pattern tests.
 901         * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
 902         * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
 903
 904 2003-02-28  Frank Ch. Eigler  <fche@redhat.com>
 905
 906         * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
 907         for global array registration.
 908         * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
 909         * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
 910
 911 2003-02-27  Frank Ch. Eigler  <fche@redhat.com>
 912
 913         * Makefile.am: Add gross make bug workarounds.  Tweaked
 914         SUBDIRS and AM_CFLAGS.
 915         * Makefile.in: Regenerated.
 916
 917 2003-02-26  Frank Ch. Eigler  <fche@redhat.com>
 918
 919         Switch to dejagnu.
 920         * configure.in (AC_PROG_CXX): Don't look for C++ any more.
 921         * Makefile.am (TESTS): Remove simple automake testing.
 922         * configure, Makefile.in: Regenerated.
 923         (SUBDIRS): Include new testsuite/ directory.
 924         * tests/*: Removed all files; moved bulk under:
 925         * testsuite/*: New subdirectory tree.
 926         * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
 927         * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
 928         * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
 929         * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
 930         * testsuite/config/default.exp: New file.
 931         * testsuite/Makefile.am, Makefile.in: New files.
 932
 933 2003-01-29  Frank Ch. Eigler  <fche@redhat.com>
 934
 935         * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
 936         (TESTS): Add fail22 and pass29 tests.
 937         * mf-runtime.h.in: Change API to take void*/size_t region parameters.
 938         Add new access-type parameter for __mf_check.  Move __MF_VIOL* out.
 939         * mf-impl.h: Corresponding changes.  Update CLAMP* macros for void*
 940         values.  Move __MF_VIOL* here.
 941         * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
 942         (check_initialization): New field in __mf_opts.  Default off.
 943         (read_count,write_count): New fields in __mf_object.
 944         (__mf_check): Implement basic initialization checking.
 945         (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
 946         (__mf_describe_object): Print new fields.
 947         (__mf_violation): Identify check/read vs. check/write in messages.
 948         * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
 949         "-check-initialized" mudflap option.
 950         * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
 951         * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
 952         Drop __FILE__/__LINE__ hack.  Update callers.
 953         (*): Adapt to new mf-runtime.h API.
 954         * Makefile.in: regenerated.
 955
 956 2003-01-24  Frank Ch. Eigler  <fche@redhat.com>
 957
 958         * configure.in: Build mf-runtime.h a more proper way.
 959         * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
 960         * mf-runtime.c (verbose_violations): Turn on by default.
 961         * mf-runtime.h.in: Remove some miscellaneous stuff ...
 962         * mf-impl.h: ... and move it here.
 963         * configure: Regenerated.
 964
 965 2003-01-22  Frank Ch. Eigler  <fche@redhat.com>
 966
 967         * configure.in: Look for C++ compiler.
 968         * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
 969         fixed type warnings when built with C++.
 970         * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
 971         * Makefile.am (TESTS): Run them.
 972         (*) Add new rules for building and running C++ tests.
 973         (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
 974         * mf-runtime.h.in: Protect with extern "C".
 975         * Makefile, configure: Regenerated.
 976
 977 2003-01-06  Frank Ch. Eigler  <fche@redhat.com>
 978
 979         Portability improvements.
 980         * configure.in: Look for glibc backtrace headers/functions.
 981         * mf-hooks.c: Don't include <execinfo.h> any more.
 982         * mf-runtime.c (__mf_set_options): Call more stdlib functions
 983         via CALL_REAL.
 984         (__mf_backtrace): Provide alternate baby implementation in
 985         absence of glibc.
 986         * test/mf-driver.c: Portability tweaks.
 987         * acinclude.m4: New file, containing top level libtool.m4.
 988         * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
 989
 990 2002-12-19  Frank Ch. Eigler  <fche@redhat.com>
 991
 992         * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
 993
 994 2002-11-08  Frank Ch. Eigler  <fche@redhat.com>
 995
 996         * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
 997         options.
 998         (__mf_unregister): Implement stack/heap object wiping.
 999         (__mf_set_options): Renamed from __mf_process_opts.
1000         (__mf_uncache_object): Change arg type, correct callers.
1001         * mf-impl.h: Corresponding changes.
1002         * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1003         * mf-runtime.h.in (__mf_set_options): Extend public API.
1004         * test/pass26-frag.c: New test for stack wiping.
1005         * Makefile.am (TESTS): Run it.
1006         * Makefile.in: Regenerated.
1007
1008 2002-11-07  Frank Ch. Eigler  <fche@redhat.com>
1009
1010         * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1011         * mf-runtime.c (__mf_object_t): Add watching_p field.
1012         (__mf_watch_or_not): New function to implement
1013         object watch flagging.
1014         (__mf_watch, __mf_unwatch): New wrappers for above.
1015         (__mf_check, __mf_describe_object): Handle objects with watching_p.
1016         (__mf_count_violation): Enlarge array.
1017         (__mf_uncache_object): Renamed from __mf_remove_old_object.  Don't
1018         unlink object.  Clear cache properly.
1019         (__mf_unregister): Unlink object explicitly before uncaching.
1020         * test/fail21-frag.c, pass25-frag.c: New tests.
1021         * Makefile.in, aclocal.m4: Regenerated.
1022
1023 2002-11-05  Frank Ch. Eigler  <fche@redhat.com>
1024
1025         * test/fail20-frag.c: New test for NULL pointer dereferencing.
1026         * Makefile.am (TESTS): Add it.
1027         * test/pass-stratcliff.c: Add decls of stpcpy.
1028         * configure.in: Test for <stdint.h>.  Generate mf-runtime.h in
1029         build tree from config.h and new file mf-runtime.h.in.
1030         * mf-runtime.h.in: Renamed from mf-runtime.h.  Tweak uintptr_t decl.
1031         * Makefile.in, configure, config.h.in: Regenerated.
1032         * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1033         * mf-runtime.c (options, __mf_set_default_options): Support new
1034         default "abbreviate" option.
1035         (__mf_object.description_epoch): New field.
1036         (__mf_describe_object): Conditionally abbreviate objects already
1037         displayed in current epoch.  Accept NULL input to increment epoch.
1038         (__mf_fini, __mf_ini): Reset description epoch.
1039         (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1040         that NULL pointer slot in lookup cache is invalidated.  Register a
1041         NOACCESS region around NULL.
1042         * mf-impl.h: Corresponding changes.
1043
1044 2002-10-16  Frank Ch. Eigler  <fche@redhat.com>
1045
1046         * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1047         * Makefile.am: Run them.  Install mf-runtime.h.
1048         * Makefile.in: Regenerated.
1049         * mf-hooks.c: Add some markers for more missing functions.
1050         * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1051         statistic to tune tune cache size (mask).
1052
1053 2002-10-01  Frank Ch. Eigler  <fche@redhat.com>
1054
1055         * test/pass23-frag.c: New test for bit_field_ref expressions.
1056         * Makefile.am, Makefile.in: Add new test.
1057         * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1058         (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1059         * mf-runtime.c (__mf_init): Register errno global.
1060         (__mf_find_object): Removed function.
1061         (__mf_check): Rewrite logic to support accesses across some
1062         contiguous but distinctly registered objects.
1063         (__mf_remove_old_object): Tolerate cache entries that span
1064         contiguous objects.
1065
1066 2002-09-30  Frank Ch. Eigler  <fche@redhat.com>
1067
1068         * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1069         * Makefile.am, Makefile.in: Run new tests.
1070         * mf-hooks.c (alloca): Correct stack direction logic.
1071
1072 2002-09-26  Frank Ch. Eigler  <fche@redhat.com>
1073
1074         * mf-impl.h (adapt_cache): New option.
1075         * mf-runtime.c (__mf_set_default_options): Set its default value.
1076         Tweak the tree_aging parameter down.
1077         (__mf_check): Maintain separate counter for cache-adaptation.
1078         (__mf_tree_analyze): New function to collect object tree stats.
1079         (__mf_adapt_cache): New function to automate cache parameters.
1080
1081 2002-09-24  Frank Ch. Eigler  <fche@redhat.com>
1082
1083         * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1084         hypothetical #if-0'd argv/envp region registration.
1085         * mf-runtime.c (__mf_init): Add kludged form of above.
1086         (*) Add "heur_argv_environ" flag, default on, to govern this.
1087         * mf-impl.h: Corresponding changes.
1088
1089 2002-09-20  Frank Ch. Eigler  <fche@redhat.com>
1090
1091         * test/fail18-frag.c: New test file for NOACCESS regions.
1092         * Makefile.am (TESTS): Add new test.
1093         * Makefile.in: Regenerated.
1094
1095         * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1096         * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1097         (optimize_object_tree): Remove unused mudflap_option.
1098         * mf-runtime.h (__MF_TYPE_NOACCESS): New region type.  Add printing
1099         support throughout.  Use .._MAX_CEM for cemetary upper bound.
1100         * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1101         regions.
1102         (__mf_object): Add new liveness field for use by tree aging.
1103         (__mf_check): Trigger tree aging when needed.
1104         (__mf_age_tree): New function to decay liveness field.
1105         (__mf_find_objects_rec): Use liveness field to rotate tree.
1106         (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1107         (__mf_unregister): Ditto.
1108         (__mf_register): Tweak duplicate-static message.
1109         (__mf_violation: Tweak nearby-object counter printing.
1110
1111 2002-09-16  Frank Ch. Eigler  <fche@redhat.com>
1112
1113         * test/pass20-frag.c: New test file.
1114         * Makefile.am (TESTS): Reorganize.  Add pass20 test.
1115         * Makefile.in: Regenerated.
1116
1117         * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros.  Update callers.
1118         * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1119         * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1120         entries to avoid repeat registration.
1121         * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1122         (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1123
1124 2002-09-09  Frank Ch. Eigler  <fche@redhat.com>
1125
1126         * Makefile.am: Create test sources with #include, not cat>>.
1127         * Makefile.in: Regenerated.
1128         * test/buildtest.sh: Removed.
1129         * test/driver.c (abort_handler, main): Be quiet.
1130
1131 2002-09-06  Frank Ch. Eigler  <fche@redhat.com>
1132
1133         * test/pass18-frag.c, pass19-frag.c: New tests.
1134         * Makefile.am (check): Run them.  Rebuild test programs each time.
1135         * Makefile.in: Regenerated.
1136
1137 2002-09-06  Frank Ch. Eigler  <fche@redhat.com>
1138
1139         * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1140         overlapping object search.
1141         (__mf_violation): Likewise for nearby objects.
1142         Improve nearby-object listing.
1143
1144         cleanup:
1145         * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1146         * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1147
1148 2002-09-03  Frank Ch. Eigler  <fche@redhat.com>
1149
1150         alloca support:
1151         * Makefile.am (AM_CFLAGS): New definition of needed settings.
1152         (HOOKOBJS): Add alloca-hook.o.
1153         * mf-hooks.c (alloca): New function to implement alloca in libiberty
1154         style.
1155         * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1156         (__mf_backtrace): Reimplement without using alloca.
1157         * Makefile.in: Regenerated.
1158
1159         cleanup:
1160         * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1161         Correct signedness bugs in length-tracking variables.
1162         * mf-impl.h: Make options unsigned.
1163         (CALL_WRAP): New macro to parallel CALL_REAL().
1164         (DECLARE): Remove erroneous ";" at end.
1165         * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1166         formatting specs with %08lx.  Correct several compiler warnings.
1167
1168 2002-08-28  Frank Ch. Eigler  <fche@redhat.com>
1169
1170         * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1171
1172 2002-08-27  Frank Ch. Eigler  <fche@redhat.com>
1173
1174         libmudflap hook breakup:
1175         * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1176         for libgcc_s.
1177         (TESTS): Make dependent on libmudflap.
1178         (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1179         compiled from segments of mf-hooks.c.
1180         * mf-hooks.c: Corresponding changes: wrap each function in
1181         #ifdef/#endif.
1182         * Makefile.in: Regenerated.
1183
1184         Heuristics reorganization:
1185         * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1186         Remove these functions.  Update callers.
1187         (__mf_heuristic_check): Incorporate all the various heuristics.
1188         Encode cacheability/retry judgement into trinary return value.
1189         Separate start-end logic into a separate fallback heuristic.  Only
1190         register relevant /proc/self/map segments.
1191         * mf-impl.h: Corresponding changes.
1192         * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1193         (__mf_init): Don't call __mf_init_heuristics.
1194
1195         Tracing cleanup:
1196         * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1197         "-verbose-trace" to emit all tracing messages other than those of
1198         basic public api.  Eliminate some duplicate/excessive messages.
1199         * mf-runtime.h: Corresponding changes.
1200
1201 2002-08-27  Graydon Hoare  <graydon@redhat.com>
1202
1203         * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1204         and __real when compiled with -DPIC.
1205         * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1206         * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1207         * Makefile.in: Regenerate.
1208
1209 2002-08-26  Graydon Hoare  <graydon@redhat.com>
1210
1211         * mf-impl.h: New file, private implementation header.
1212         * mf-runtime.h: Reorganize a bit.
1213         (CLAMPSZ): Fix arithmetic.
1214         (__MF_CACHE_MISS_P): Fix arithmetic.
1215         * mf-runtime.c: Reorganize a bit.
1216         (__mf_dynamic): New structure.
1217         (resolve_single_dynamic): New function.
1218         (__mf_resolve_dynamics): New function.
1219         (__mf_init): Initialize dynamic wrappers.
1220         * mf-hooks.c: Macro-ize __real calls.
1221         Clamp various bits of arithmetic.
1222         Add explicit __mf_check call contexts.
1223         * Makefile.am: Add dependencies on mf-impl.h
1224         * Makefile.in: Regenerate.
1225         * configure.in: Comment out shared override.
1226         * configure: Regenerate.
1227
1228 2002-08-22  Graydon Hoare  <graydon@redhat.com>
1229
1230         * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1231         (__mf_check): Re-inialize and check heuristics before violation.
1232         (__mf_register): Permit updating pure-guess regions.
1233         * mf-hooks.c (__wrap_free): Correct some free queue logic.
1234         (__wrap_dlopen): New wrapper function.
1235         (__wrap_mmap): New wrapper function.
1236         (__wrap_munmap): New wrapper function.
1237         * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1238         which are not stack addresses.
1239         (is_stack_address): New function.
1240         (__mf_init_heuristics): Save and restore state, always initialize with
1241         "starting" state.
1242
1243 2002-08-21  Frank Ch. Eigler  <fche@redhat.com>
1244
1245         * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1246         error.  Pass location string.
1247         (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1248         * mf-runtime.c (options): Add lc-mask, lc-shift options.
1249         (__mf_process_opts): Apply some sanity checking for lc-mask.
1250         (__mf_check, __mf_violation): Take new location-string argument.
1251         Update callers to pass NULL if necessary.
1252         (__mf_backtrace): New smart backtracer function.  Calls replace
1253         several ad-hoc blocks elsewhere.
1254         (__mf_describe_object): Remove bad reentrancy test.  Improve
1255         tracing message.
1256         * mf-runtime.h: Corresponding changes.  Public/private markup.
1257         (__MF_CACHE_MISS_P): New macro.
1258
1259 2002-08-20  Graydon Hoare  <graydon@redhat.com>
1260
1261         * mf-runtime.h: New option: stack_bound (heuristic).
1262         Move some macros out of implementation files.
1263         * mf-runtime.c: New option string: -stack-bound.
1264         Unify recursion protection with hooks.
1265         Add more logging.
1266         (__mf_check): Call __mf_heuristic_check.
1267         (__mf_process_opts): Fix "no-" processing.
1268         * mf-heuristics.c (__mf_heuristic_check): New function.
1269         * mf-hooks.c: Much off-by-one fixing, recursion protection.
1270
1271 2002-08-20  Frank Ch. Eigler  <fche@redhat.com>
1272
1273         Option parsing improvements, region splitting bug fixes:
1274         * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1275         * mf-runtime.h (heur_proc_map): New libmudflap option.
1276         * mf-runtime.c (__mf_set_default_options): Set it.
1277         (__mf_usage): Print default values/status.
1278         (__mf_process_opts): Support general "no-" option string prefix.
1279         (__mf_init): Print __mf_usage on unknown-option error.
1280         (__mf_register): Print trace message up front.
1281         Correct region splitting logic for case where a subregion disappears.
1282         Correct memory leak.
1283         (__mf_violation): Make even basic message conditional on option.
1284
1285         Build cleanup:
1286         * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1287         (clean-local): New target.
1288         (test/*x rules): Add -g CFLAGS.
1289         (CFLAGS): Add -freorder-blocks.
1290         (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1291         * Makefile.in: Regenerated.
1292         * Makefile, mf-config.h: Removed files.
1293
1294 2002-08-16  Graydon Hoare  <graydon@redhat.com>
1295
1296         * mf-runtime.c (__mf_insert_new_object): Factor out of
1297         __mf_register.
1298         (__mf_remove_old_object): Factor out of __mf_unregister.
1299         (__mf_register): Handle guessed regions, splitting
1300         guesses when new registrations arrive.
1301         (__mf_unregister): Do not unregister guesses.
1302         * mf-runtime.h: Move convenience macros around,
1303         declare new option fields. Add __MF_TYPE_GUESS.
1304         * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1305         (__wrap_free): Call __real_free for deferred frees.
1306         * Makefile.am: Add more tests, fix dependency.
1307         * Makefile.in: Regenerate.
1308         * test/pass[13..17]-frag.c: New testcases.
1309         * test/fail[13..17]-frag.c: New testcases.
1310
1311 2002-08-15  Graydon Hoare  <graydon@redhat.com>
1312
1313         * mf-heuristics.c: New file.
1314         * mf-runtime.c (options): Add -trace-calls option.
1315         (__mf_init): Call __mf_init_heuristics.
1316
1317 2002-08-14  Graydon Hoare  <graydon@redhat.com>
1318
1319         * Makefile.am (TESTS): Add testsuite support.
1320         * Makefile.in: Regenerate.
1321         * test/mf-driver.c: New file.
1322         * test/buildtest.sh: New file.
1323         * test/passNN-frag.c: New testcases.
1324         * test/failNN-frag.c: New testcases.
1325
1326 2002-08-14  Graydon Hoare  <graydon@redhat.com>
1327
1328         * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1329         verifying non-size-limited string extents.
1330
1331 2002-08-14  Frank Ch. Eigler  <fche@redhat.com>
1332
1333         * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1334         instead of plain str[n]len for internal checks.
1335         * mf-runtime.c (__mf_violation): Print optional stack traceback.
1336
1337 2002-08-14  Frank Ch. Eigler  <fche@redhat.com>
1338
1339         * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1340
1341 2002-08-13  Graydon Hoare  <graydon@redhat.com>
1342
1343         * mf-runtime.c: Rework configuration to operate on
1344         environment variable options rather than #defines
1345         (__mf_violation): Add simple fork-a-gdb violaiton mode.
1346         (__mf_init): Set static __mf_active_p flag on startup,
1347         to inhibit mudflap wrap-based checking during crt0.s.
1348         * mf-runtime.h: Declare options structure.
1349         * mf-hooks.c: New wrappings for mem*, b*, str*
1350         libc functions (temporarily #if 0-ed out).
1351
1352 2002-08-12  Frank Ch. Eigler  <fche@redhat.com>
1353
1354         * Makefile.am, configure.in: New files.
1355         * Makefile.in, Makefile, configure, config.h.in: New generated files.
1356         * stamp-h.in, aclocal.m4: Ditto.
1357
1358 2002-08-08  Frank Ch. Eigler  <fche@redhat.com>
1359
1360         * Makefile: New file.
1361         * mf-config.h: New file: runtime configuration.
1362         * mf-hooks.c: New file: interposed libc functions.
1363         * mf-runtime.c: New file: bulk of runtime.
1364         * mf-runtime.h: New file: public functions.