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gcc/libmudflap/ChangeLog
Frank Ch. Eigler 478cc36ff6 re PR libmudflap/19319 (Mudflap produce many violations on simple, correct c++ program) 
2005-02-13  Frank Ch. Eigler  <fche@redhat.com>

	PR mudflap/19319
	* testsuite/libmudflap.c++/pass55-frag.c: New test.

From-SVN: r94983
2005-02-13 12:49:34 +00:00

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2005-02-13 Frank Ch. Eigler <fche@redhat.com>
PR mudflap/19319
* testsuite/libmudflap.c++/pass55-frag.c: New test.
2005-01-05 Richard Henderson <rth@redhat.com>
* testsuite/libmudflap.c/pass32-frag.c: Fix typo.
2005-01-02 Greg McGary <greg@mcgary.org>
* mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
* mf-runtime.h: New file, replaces mf-runtime.h.in.
* configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
* Makefile.in: Ditto.
* testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
* testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
* testsuite/libmudflap.c/fail36-frag.c: New test.
* testsuite/libmudflap.c/fail37-frag.c: New test.
* testsuite/libmudflap.c/fail38-frag.c: New test.
2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
* Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
* aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
2004-12-02 Richard Sandiford <rsandifo@redhat.com>
* configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
* aclocal.m4: Include ../config/gcc-version.m4.
* configure, Makefile.in, testsuite/Makefile.in: Regenerate.
2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
* Makefile.am: Define ACLOCAL_AMFLAGS.
* acinclude.m4: Remove.
* stamp-h.in: Remove superfluous stamp file.
* aclocal.m4, configure, Makefile.in: Regenerate.
* testsuite/Makefile.in: Likewise.
2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
* Makefile.am: Revert previous.
* acinclude.m4: Restore.
* aclocal.m4, configure, Makefile.in: Regenerate.
* testsuite/Makefile.in: Likewise.
2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
* Makefile.am: Define ACLOCAL_AMFLAGS.
* acinclude.m4: Remove.
* aclocal.m4, configure, Makefile.in: Regenerate.
* testsuite/Makefile.in: Likewise.
2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
* testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
* Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
* testsuite/Makefile.in: Likewise.
2004-11-01 Andreas Schwab <schwab@suse.de>
* configure.ac: (target_alias): Default to $host_alias, not
$target.
* configure: Regenerated.
2004-10-28 Frank Ch. Eigler <fche@redhat.com>
* testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
* testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
message.
2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
PR other/18138
* testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
2004-10-12 Frank Ch. Eigler <fche@redhat.com>
* configure.ac: Check for more headers, functions.
* mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
tracking overridden FILE buffers.
(fopen, setvbuf): New/revised hook functions for buffer overriding.
(setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
(fflush): Accept given NULL stream (means "all streams").
* mf-runtime.h.in:
* mf-runtime.c (__mfu_check): Accept accesses that span adjacent
HEAP/GUESS objects.
(LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
(__mf_adapt_cache): Use them all.
* testsuite/libmudflap.c/pass35-frag.c: Update warning message.
* testsuite/libmudflap.c++/ctors.exp: Ditto.
* testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
* configure, config.h.in: Regenerated.
2004-10-05 Frank Ch. Eigler <fche@redhat.com>
* configure.ac: Checking for sys/socket.h once is enough.
* configure: Regenerated.
2004-10-04 Frank Ch. Eigler <fche@redhat.com>
* configure.ac: Look for more headers & functions.
* mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
* mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
* mf-runtime.c (options): Clean up integer signedness warnings.
(main): Add a declaration to fix a warning.
* mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
* configure, config.h.in: Regenerated.
2004-10-02 Frank Ch. Eigler <fche@redhat.com>
* testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
New tests for proper base/limit checking for aggregates.
2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
* testsuite/libmudflap.c/pass35-frag.c: Update expected message.
2004-09-07 Frank Ch. Eigler <fche@redhat.com>
* configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
* mf-hooks2.c (strerror): Unregister previous string returned by
previous strerror.
(getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
(getservent,getservbyname,getservbyport,gai_strerror): Ditto.
* mf-runtime.h.in: Add redefine_extname pragmas for them all.
* mf-runtime.c (__mf_describe_object): Clarify object life status.
* testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
New tests.
* configure, config.h.in: Regenerated.
2004-08-03 Dale Johannesen <dalej@apple.com>
* mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
2004-08-03 Frank Ch. Eigler <fche@redhat.com>
* mf-runtime.c (compare_uintptr_t): Remove function. Inline
simplified contents in all former callers.
2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
* mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
the statically linked case.
2004-07-27 Frank Ch. Eigler <fche@redhat.com>
* splay-tree.[ch]: Remove. Merge contents into ...
* mf-runtime.c: ... here, renaming symbols and making all functions
static. Remove unused min/max functions.
* Makefile.am: Forget about splay-tree.[ch].
* Makefile.in, testsuite/Makefile.in: Regenerated.
2004-07-21 Frank Ch. Eigler <fche@redhat.com>
* mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
(__mfu_usage): Include (C) 2004.
* mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
here. Include a comment explaining why.
2004-07-20 Frank Ch. Eigler <fche@redhat.com>
* mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
* mf-runtime.c (options): Give them a name.
(__mf_set_default_options): Set them.
(__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
(__mf_violation): Warning cleanup.
* mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
* splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
2004-07-15 Frank Ch. Eigler <fche@redhat.com>
g++/15861
* mf-runtime.c (__mf_init): Make it non-static. Tolerate
repeated invocation.
2004-07-09 Frank Ch. Eigler <fche@redhat.com>
Test case for g++/15861
* testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
* testsuite/libmudflap.c++/ctors.exp: Driver.
* testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
Look only for *frag* test cases.
2004-07-08 Frank Ch. Eigler <fche@redhat.com>
ANSI C conversion, libmudflap specialization, recursion limiting.
* splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
argument and indirection function pointers, update callers.
(splay_tree_s): Add statistics and recursion control fields
num_keys, max_depth, depth, rebalance_p.
* splay-tree.c (splay_tree_splay_helper): Track recursion depth.
Back out of search if it exceeds limit.
(splay_tree_splay): Manage recursion limiting with rebalancing as
needed.
(splay_tree_new): More initialization.
(splay_tree_rebalance): New function.
(splay_tree_foreach): Rewrite using nonrecursive logic.
(splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
Remove. Point indirect calls to mf-runtime.c's routines.
(splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
functions.
(splay_tree_delete, splay_tree_delete_helper): Ditto.
* testsuite/heap-scalestress.c: New test based on one from
Eyal Lebedinsky <eyal@eyal.emu.id.au>:
2004-07-05 Matthias Klose <doko@debian.org>
* libtool-version: New.
* Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
Use -version-info for soname.
* Makefile.in: Regenerate.
* configure.ac: Remove libtool_VERSION macro
* configure: Regenerate
2004-07-05 Zack Weinberg <zack@codesourcery.com>
* mf-runtime.h.in: Wrap declarations of struct __mf_cache,
__mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
#ifndef _MUDFLAP.
2004-06-29 Frank Ch. Eigler <fche@redhat.com>
Splay tree implementation fork.
* splay-tree.c, splay-tree.h: Copied & modified from libiberty.
Use hard-coded comparison function for uintptr_t. Remove key/value
deallocation logic. Cache last splayed key for consecutive lookups.
* Makefile.am, Makefile.in: Use them, don't link to them.
* mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
(__mf_find_objects2): Flip successor/predecessor search sequence.
* ansidecl.h, libiberty.h: Removed dummy files.
2004-06-29 Nick Clifton <nickc@redhat.com>
* configure.ac (AC_CHECK_HEADERS): Add dirent.h
* configure: Regenerate.
* mf-hooks2.c: Surround uses of dirent.h with #ifdef
HAVE_DIRENT_H.
Remove spurious inclusion of <strings.h>.
2004-06-29 Nick Clifton <nickc@redhat.com>
* mf-runtime.c (pthread_join): Only apply the weak pragma if the
function actually exists.
2004-06-25 Frank Ch. Eigler <fche@redhat.com>
* ansidecl.h, libiberty.h: New dummy files for building splay-tree.
* config.h.in: Regenerated.
2004-06-24 Frank Ch. Eigler <fche@redhat.com>
Adopt splay trees for object database.
* Makefile.am: Copy splay-tree.* from libiberty.
* Makefile.in, testsuite/Makefile.in: Regenerated.
* mf-runtime.h.in (__mf_unregister): Add third parameter (type).
* mf-hooks[123].c (*): Add new third parameter to mf_unregister.
* mf-impl.h (BEGIN_PROTECT): Remove some trace text.
* mf-runtime.c: Rewrite code dealing with object database to use
libiberty splay trees. Remove tree liveness aging option.
* testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
2004-06-15 Paolo Bonzini <bonzini@gnu.org>
* configure.ac: New name of configure.in. Update
AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
Autoconf 2.5x and Automake 1.7 or later.
* configure.in: Remove.
* configure: Regenerate.
* Makefile.am: Remove useless multilib rules.
* Makefile.in: Regenerate.
2004-06-15 Paolo Bonzini <bonzini@gnu.org>
* .cvsignore: New file.
2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
PR libmudflap/13505
* mf-hooks2.c (semctl): Add cygwin porting hack.
2004-06-09 Frank Ch. Eigler <fche@redhat.com>
ctype support.
* configure.in: Look for ctype header and glibc implementation.
* mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
array hooks for glibc 2.3.
* mf-runtime.h.in: Wrap them.
* mf-runtime.c (__mf_init): Leave marker regarding other ctype
implementations.
* testsuite/libmudflap.c/pass47-frag.c: New test.
* configure, config.h.in: Regenerated.
2004-06-04 Frank Ch. Eigler <fche@redhat.com>
Portability improvements, e.g., libmudflap/15293.
* configure.in: Look for glibc extension functions. Look for
support of -f{function,data}-sections. Look for more headers.
Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
* Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
mf-hooks* into usual single object per source.
* mf-hooks*.c: Remove all #if WRAP_foo conditionals.
* mf-hooks2.c: #include a bunch more system headers. Define strnlen
if system doesn't provide one.
* mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
(pthread_create): Use it to properly GC dead thread stacks.
* mf-runtime.c (__mf_violation): Correct snprintf type warning.
* testsuite/Makefile.am: Stop generating site.exp.
* testsuite/mfconfig.exp.in: New file.
* testsuite/config/default.exp: Load new mfconfig.exp.
* testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
(prune_gcc_output): Add glibc static linking warnings.
* testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
* testsuite/libmudflap.c/pass46-frag.c: Ditto.
* configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
Regenerated with autoconf 2.57 and automake 1.7.
2004-06-04 Per Bothner <per@bothner.com>
* configure.in (LIBMUDFLAPTH): Fix thinko.
* configure.in: Check for more headers.
* mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
* mf-runtime.c: In two places conditionalize on SIUSR1 rather than
HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
2004-06-01 Andreas Jaeger <aj@suse.de>
* configure.in: Handle multilibs, support
--enable-version-specific-runtime-libs.
* Makefile.am (lib_LTLIBRARIES): Rename to ...
(toolexeclib_LTLIBRARIES): this for multilib support.
* Makefile.in: Regenerated.
* configure: Regenerated.
* aclocal.m4: Regenerated.
* config.h.in: Regenerated.
* testsuite/Makefile.in: Regenerated.
2004-06-01 Andreas Jaeger <aj@suse.de>
* testsuite/lib/libmudflap.exp (libmudflap-init): Handle
multilibs, using multilib directory instead of hardcoded path.
Set LD_RUN_PATH.
2004-05-21 Frank Ch. Eigler <fche@redhat.com>
* Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
* Makefile.in: Ditto.
2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
* acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
* aclocal.m4, configure: Rebuilt.
2004-05-17 Frank Ch. Eigler <fche@redhat.com>
* lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
import some build settings from libstdc++-v3 testsuite_flags.
* .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
changes to pass test language.
* mf-runtime.c (__mfu_check): Poison the cache with antidote for
quicker mode-nop handling.
2004-03-25 Frank Ch. Eigler <fche@redhat.com>
* mf-impl.h: Added libgcc license header.
2004-03-20 Frank Ch. Eigler <fche@redhat.com>
* mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
Added libgcc license header.
* mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
(pthread_create): Simplify stack allocation syntax.
2004-03-08 Loren J. Rittle <ljrittle@acm.org>
* mf-hooks2.c: Support FreeBSD.
(WRAP_gets): Avoid gets().
* testsuite/libmudflap.c/pass-stratcliff.c: Do not
test unimplemented mem/str calls on FreeBSD.
* testsuite/libmudflap.c/pass21-frag.c: Do not include
<alloca.h> on FreeBSD.
2004-01-30 Frank Ch. Eigler <fche@redhat.com>
* testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
* testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
* testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
flags for static linking permutation.
* testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
some pthreads code that croaks on linux glibc tls.
2004-01-27 Frank Ch. Eigler <fche@redhat.com>
* testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
2004-01-15 Frank Ch. Eigler <fche@redhat.com>
* testsuite/libmudflap.c/pass44-frag.c: New test.
2004-01-12 Frank Ch. Eigler <fche@redhat.com>
* testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
2004-01-08 Frank Ch. Eigler <fche@redhat.com>
* testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
2003-12-11 Frank Ch. Eigler <fche@redhat.com>
* testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
PR libmudflap/12670
* configure.in: Add check for see if
socklen_t typedef is in sys/socket.h.
* mf-hooks1.c: Add define if socklen_t
is not typedef.
* mf-hooks2.c: Likewise.
* mf-hooks3.c: Likewise.
* config.h.in: Regen.
* configure: Regen.
2003-12-08 Frank Ch. Eigler <fche@redhat.com>
* mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
* testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
optimizations.
* testsuite/libmudflap.c/pass25-frag.c: Ditto.
* testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
(unoptimized) allocation of stack space.
2003-12-07 Richard Henderson <rth@redhat.com>
* testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
* testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
2003-12-06 Andrew Pinski <apinski@apple.com>
partial PR libmudflap/12670
* mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
* mf-hooks2.c: Likewise.
* mf-hooks3.c: Likewise.
2003-11-19 Frank Ch. Eigler <fche@redhat.com>
libstdc++/11696
* mf-runtime.h.in: Switch to #pragma redefine_extname for
symbols interposed at compile time.
* testsuite/libmudflap.c++/pass41-frag.cxx: New test.
libmudflap/12939
* mf-hooks2.c (semctl): Tolerate FreeBSD.
* configure.in: Reorganize check for <pthread.h>.
* configure: Regenerated.
2003-11-04 David Edelsohn <edelsohn@gnu.org>
* mf-runtime.c (_ALL_SOURCE): Define for AIX.
(_LARGE_FILE_API): Define for AIX.
* mf-hooks[123]: Same.
(_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
2003-10-21 David Edelsohn <edelsohn@gnu.org>
* mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
2003-07-29 Frank Ch. Eigler <fche@redhat.com>
2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
* configure.in: Update check for union semun.
2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
PR other/11673
* mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
2003-07-29 Frank Ch. Eigler <fche@redhat.com>
PR other/11673
* configure.in: Add checks for 64-bit LFS functions, struct semun
definition, for BSD compatibility.
* mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
* mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
* mf-hooks3.c: Ditto.
(pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
mmap flag.
* configure, config.h.in: Regenerated.
2003-07-23 Frank Ch. Eigler <fche@redhat.com>
Multithreading fixes:
* mf-runtime.c (__mf_object): Store allocating/deallocating
thread id.
(options): Support new "-thread-stack" option.
Rename "-heur-argv-environ" option to "-heur-stdlib".
Disable "-lc-mask" and "-lc-shift" options.
(__mf_dynamic): Add function pointers for pthread_join/_exit.
(__assert_fail): New self-contained function for glibc.
* mf-hooks3.c: Essentially rewritten, particularly related to
use of __mf_pthread_info array.
(pthread_join, _exit): New hook functions.
* mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
* testsuite/libmudflap.cth/pass40-frag.c: New test.
Warning cleanups:
* mf-heuristics.c: Add type casts for tracing, sub calls.
* mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
Update all callers to declare explicit result holder.
(END_PROTECT): Removed.
* testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
2003-07-15 Diego Novillo <dnovillo@redhat.com>
* testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
* testsuite/libmudflap.c/fail15-frag.c: Likewise.
* testsuite/libmudflap.c/fail13-frag.c: Likewise.
2003-07-04 Frank Ch. Eigler <fche@redhat.com>
* mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
* mf-hooks: Removed.
* mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
Move these macros from old mf-hooks.c here.
* Makefile.am: Adapt to split-up hook sources for faster builds.
* Makefile.in: Regenerated.
* mf-heuristics.c: Remove #if-0 block.
* mf-impl.h (__mf_state): Reorganize declaration and implementation.
(__mf_starting_p): New state only for use while dlsym bootstrapping.
(CALL_REAL, __mf_init): Corresponding changes.
(TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
all callers to remove redundant "mf:" prefix.
* mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
* mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
(__mf_pthread_info): Become a hash table.
* testsuite/lib/mfdg.exp: Support new "dg-timeout" and
"dg-repetitions" directives to control test case execution.
* testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
options.
* testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
2003-06-25 Frank Ch. Eigler <fche@redhat.com>
* mf-hooks.c (alloca): Separate into stub.
(__mf_wrap_alloca_indirect): New function. Use CALL_REAL
malloc/free for alloca blocks.
(pthread_create): Tolerate failing pthread_attr_get* calls.
* mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
* mf-impl.h (CALL_WRAP): Remove macro.
* testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
* testsuite/libmudflap.c/pass23-frag.c: Include more struct
padding for ia64 BIT_FIELD_REF constructs.
2003-06-19 Frank Ch. Eigler <fche@redhat.com>
* mf-hooks.c (struct pthread_info): Add "thread_errno" field.
(__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
libmudflap object type.
* mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
crashes on unregistering STATIC objects.
2003-06-17 Frank Ch. Eigler <fche@redhat.com>
Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
* mf-hooks.c (__mf_pthread_spawner): Register thread errno.
(time, strerror, fopen, fopen64, fclose, fread): New hooks.
(fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
(fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
(printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
(vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
(fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
(stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
(setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
(recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
(accept, bind, connect, gethostname, sethostname): New hooks.
(gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
(execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
(semop, semctl, shmctl, shmat, shmdt): New hooks.
* mf-runtime.h.in: Corresponding changes.
* mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
(opts) Rename heur_argv_environ to heur_std_data.
(__mf_wrap_main): Use STATIC type for argv/environ strings.
* Makefile.am: Corresponding changes.
* Makefile.in: Regenerated.
2003-06-11 Frank Ch. Eigler <fche@redhat.com>
* mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
heuristic for threaded case, and for non-x86-linux targets.
* mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
for use during pre-main() program startup.
(__mf_0fn_*): Make these functions non-static.
* mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
functions.
* mf-runtime.c (__mf_state): Set initial state to "starting".
(__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
(__wrap_main): New function to register argv[] and environ[] strings.
(__mf_ini): Call it.
(*): In all trace functions, use "%p" as formatter for uintptr_t.
* testsuite/libmudflap.c/pass38-frag.c: New test case.
* testsuite/libmudflap.cth/pass37-frag.c: Improved test.
* acinclude.m4: Add comments with aoliva's concerns about x86_64
pass_all.
* aclocal.m4, configure: Regenerated.
2003-06-04 Frank Ch. Eigler <fche@redhat.com>
* acinclude.m4: Correct typo in AC_MSG_CHECKING.
* aclocal.m4, configure: Regenerated.
2003-06-03 Frank Ch. Eigler <fche@redhat.com>
* acinclude.m4: Force "pass_all" deplibs_check_method for libtool
for x86_64 target. Disable caching for this value.
* aclocal.m4, configure: Regenerated.
2003-06-02 Frank Ch. Eigler <fche@redhat.com>
* testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
is about to become deprecated, and its present handling bugs are
unworthy of fixing.
2003-05-30 Frank Ch. Eigler <fche@redhat.com>
* testsuite/libmudflap.c/pass38-frag.c: New test for
-fwritable-strings.
2003-05-23 Frank Ch. Eigler <fche@redhat.com>
* mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
__mf_report, asserting reentrant calling context.
2003-05-23 Frank Ch. Eigler <fche@redhat.com>
* mf-hooks.c (realloc): Correct reentrancy logic.
* testsuite/libmudflap.c/hook-allocstuff.c: New test case.
2003-05-20 Frank Ch. Eigler <fche@redhat.com>
* mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
PTHREAD_THREADS_MAX. Update users.
* mf-runtime.c (__mf_usage): Print [active] instead of [default]
for active options.
* testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
with libmudflapth presence indicator.
* testsuite/Makefile.in: Regenerated.
2003-05-16 Frank Ch. Eigler <fche@redhat.com>
* Makefile.am (AM_CFLAGS): Remove "-ansi".
* configure.in: Remove silly no-pthreads => no-shared logic.
* Makefile.in, configure: Regenerated.
* mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
* mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
code. Count reentrancy events.
(all hook functions): Don't directly manipulate __mf_state variable.
Add TRACE calls to hook functions without them.
* mf-impl.h (LOCKTH): Try to count lock contention events.
(VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
* mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
Reorganize reentrancy code.
(external __mf_ entry points): Use RECURSION_PROTECT mechanism to
identify reentrancy with mutex holding times.
(internal __mfu_ entry points): Remove internal reentrancy code.
(__mf_init): Use ordinary locked calls.
(__mfu_report): Print the two new counts.
* testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
* testsuite/libmudfap.cth/cthfrags.exp: New test driver.
* testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
* testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
option defaults.
2003-05-09 Frank Ch. Eigler <fche@redhat.com>
* configure.in: Add pthread support, plus glibc and porting hacks.
* Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
from objects built into ./pth/.
* mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
functions for internal entry points. Update callers to pick
locked vs. unlocked variants.
(__mf_resolve_single_dynamic): Extend to support symbol versioning
info coming in from a static data structure.
(*): Reorder miscellaneous declarations to group data vs functions.
(__mf_set_default_options): Simplify.
(__mf_usage): Mention threading status of host executable.
* mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
decls to match above.
(LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
* mf-heuristics.c: Choose between locked/unlocked calls. Add
some lock/unlock markers. Remove some unused code.
* mf-hooks: Ditto.
(pthread_create): New hook function.
(__mf_pthread_cleanup, _spawner): New helper functions.
* configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
2003-05-02 Frank Ch. Eigler <fche@redhat.com>
* testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
2002-04-28 Frank Ch. Eigler <fche@redhat.com>
* Makefile.am (HOOKOBJS): Add *time related hooks.
* configure.in: Look for pthreads.h header.
* mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
* mf-runtime.c: Begin sketching some pthreads support.
(__mf_usage): Check for -lpthread presence.
(__mf_unregister): Confirm matching unregistration base.
(__mf_find_objects_rec): Reduce unnecessary recursion.
* mf-runtime.h.in: Add "nothrow" attribute to functions. Add
#defines for new hook functions.
* mf-impl.h: Corresponding changes.
* config.h.in, configure, Makefile.in: Regenerated.
2002-04-27 Diego Novillo <dnovillo@redhat.com>
* testsuite/libmudflap.c/fail1-frag.c: Add volatile
modifiers to prevent being optimized away.
* testsuite/libmudflap.c/fail10-frag.c: Likewise.
* testsuite/libmudflap.c/fail13-frag.c: Likewise.
* testsuite/libmudflap.c/fail14-frag.c: Likewise.
* testsuite/libmudflap.c/fail15-frag.c: Likewise.
* testsuite/libmudflap.c/fail2-frag.c: Likewise.
* testsuite/libmudflap.c/fail20-frag.c: Likewise.
* testsuite/libmudflap.c/fail3-frag.c: Likewise.
2003-04-15 Frank Ch. Eigler <fche@redhat.com>
* Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
* configure.in: Look for uintptr_t and -ldl on target.
* mf-runtime.h.in: Adjust uintptr_t declaration logic.
* Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
* testsuite/Makefile.in: Regenerated.
* mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
for better C compliance.
2003-04-15 Frank Ch. Eigler <fche@redhat.com>
* mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
prevention code.
* mf-runtime.c (__mf_set_default_options): Turn off
check-initialization.
(__mf_describe_object): Shorten description.
* testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
2003-04-07 Frank Ch. Eigler <fche@redhat.com>
* mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
2003-04-02 Frank Ch. Eigler <fche@redhat.com>
* mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
calls specially.
(__mf_0fn_malloc ... _munmap): New dummy backup calls.
* mf-impl.h (CALL_BACKUP): New macros.
* mf-runtime.c (__mf_init): Tweak __mf_state during startup.
2003-03-31 Frank Ch. Eigler <fche@redhat.com>
* Makefile.am (AM_CFLAGS): Remove optimization flags.
(HOOKOBJS): Remove dlopen hook.
(libmudflap_la_LIBADD): Add -ldl.
* mf-hooks.c (dlopen): Remove hook.
* mf-impl.h (__mf_dynamic): Ditto.
* mf-runtime.c (__mf_resolve_dynamics): Ditto.
* Makefile.in: Regenerated.
2003-03-28 Frank Ch. Eigler <fche@redhat.com>
* configure.in: Check for target gettimeofday, signal, some headers.
* mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
out inop multi_threaded field.
* mf-runtime.c (options): Handle new "-sigusr1-report" option.
(__mf_set_options): Correct handling of "-help".
(__mf_sigusr1_respond): New function to manage SIGUSR1 response.
(__mf_check, __mf_register, __mf_unregister): Call it.
(__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
(__mf_report_leaks): Make callable
(__mf_tree_analyze): Traverse in-order. Accumulate address bit
distribution statistics.
(__mf_adapt_cache): Rewrite shift guessing logic based on address
bit distributions.
* config.h.in, configure: Regenerated.
* testsuite/libmudflap.c/fail27-frag.c: New test.
* testsuite/libmudflap.c/pass36-frag.c: New test.
2003-03-11 Frank Ch. Eigler <fche@redhat.com>
* mf-runtime.h.in: Tweak.
* Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
Don't use intermediate files nor AC_OUTPUT-time postprocessing.
* Makefile.in, testsuite/Makefile.in, configure: Regenerated.
2003-03-10 Frank Ch. Eigler <fche@redhat.com>
* configure.in: Tweak generation of mf-runtime.h some more. It
needs to work from both config.status and configure.
* configure: Regenerated.
2003-03-10 Frank Ch. Eigler <fche@redhat.com>
* Makefile.am: Reorganize hook file building. Add auto dependencies.
* configure.in: Tweak generation of mf-runtime.h.
* mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
* mf-hooks.c (*): Adapt to initialized-heap object type.
* mf-impl.h: Tweak cemetary boundaries.
* mf-runtime.c (__mf_check): Adapt to new initialized-heap object
type.
(__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
(__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
* testsuite/lib/libmudflap.exp (includes): Include build tree.
* testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
checking.
* testsuite/.../fail{25,26}-frag.c: New tests.
* testsuite/.../pass{32,33,34,35}-frag.c: New tests.
* Makefile.in, configure: Regenerated.
2003-03-05 Frank Ch. Eigler <fche@redhat.com>
* mf-runtime.c (__mf_set_default_options): Turn on initialization
checking by default.
(__mf_insert_new_object): As a temporary hack, assume that new
objects registered on the stack start out initialized.
* testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
heap objects by hand.
2003-03-05 Frank Ch. Eigler <fche@redhat.com>
Switch to macro-style hooks for str*/mem*/b* functions.
* mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
(mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
* mf-runtime.c: #include config.h to enable glibc backtraces again.
(__mf_set_default_options): Turn off heur_proc_map.
(*): Adapt to to macro-style hook functions.
(__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
(__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
(__mf_violation): Handle __MF_VIOL_WATCH.
* mf-impl.h (__MF_TYPE_*): Moved these internal values here.
(__mf_dynamic): Removed mem*/str*/b* functions.
(TRACE, VERBOSE_TRACE): Add reentrancy locking.
(WRAPPER2): New macro for macro-style hooks.
* mf-hooks.c: Convert mem*/str*/b* functions to simpler
macro-style hooks.
(BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
* mf-heuristics.c: Adapt to macro-style hook functions.
Correct some comments.
* testsuite/lib/mfdg.exp (dg-test): Simplify result string for
output pattern tests.
* testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
* testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
2003-02-28 Frank Ch. Eigler <fche@redhat.com>
* testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
for global array registration.
* testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
* testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
2003-02-27 Frank Ch. Eigler <fche@redhat.com>
* Makefile.am: Add gross make bug workarounds. Tweaked
SUBDIRS and AM_CFLAGS.
* Makefile.in: Regenerated.
2003-02-26 Frank Ch. Eigler <fche@redhat.com>
Switch to dejagnu.
* configure.in (AC_PROG_CXX): Don't look for C++ any more.
* Makefile.am (TESTS): Remove simple automake testing.
* configure, Makefile.in: Regenerated.
(SUBDIRS): Include new testsuite/ directory.
* tests/*: Removed all files; moved bulk under:
* testsuite/*: New subdirectory tree.
* testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
* testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
* testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
* testsuite/lib/mfdg.exp: New file, derived from dejagnu.
* testsuite/config/default.exp: New file.
* testsuite/Makefile.am, Makefile.in: New files.
2003-01-29 Frank Ch. Eigler <fche@redhat.com>
* Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
(TESTS): Add fail22 and pass29 tests.
* mf-runtime.h.in: Change API to take void*/size_t region parameters.
Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
* mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
values. Move __MF_VIOL* here.
* mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
(check_initialization): New field in __mf_opts. Default off.
(read_count,write_count): New fields in __mf_object.
(__mf_check): Implement basic initialization checking.
(__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
(__mf_describe_object): Print new fields.
(__mf_violation): Identify check/read vs. check/write in messages.
* test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
"-check-initialized" mudflap option.
* test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
* mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
Drop __FILE__/__LINE__ hack. Update callers.
(*): Adapt to new mf-runtime.h API.
* Makefile.in: regenerated.
2003-01-24 Frank Ch. Eigler <fche@redhat.com>
* configure.in: Build mf-runtime.h a more proper way.
* mf-hooks.c (strdup, strndup): Correct reentrancy logic.
* mf-runtime.c (verbose_violations): Turn on by default.
* mf-runtime.h.in: Remove some miscellaneous stuff ...
* mf-impl.h: ... and move it here.
* configure: Regenerated.
2003-01-22 Frank Ch. Eigler <fche@redhat.com>
* configure.in: Look for C++ compiler.
* test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
fixed type warnings when built with C++.
* test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
* Makefile.am (TESTS): Run them.
(*) Add new rules for building and running C++ tests.
(TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
* mf-runtime.h.in: Protect with extern "C".
* Makefile, configure: Regenerated.
2003-01-06 Frank Ch. Eigler <fche@redhat.com>
Portability improvements.
* configure.in: Look for glibc backtrace headers/functions.
* mf-hooks.c: Don't include <execinfo.h> any more.
* mf-runtime.c (__mf_set_options): Call more stdlib functions
via CALL_REAL.
(__mf_backtrace): Provide alternate baby implementation in
absence of glibc.
* test/mf-driver.c: Portability tweaks.
* acinclude.m4: New file, containing top level libtool.m4.
* aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
2002-12-19 Frank Ch. Eigler <fche@redhat.com>
* mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
2002-11-08 Frank Ch. Eigler <fche@redhat.com>
* mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
options.
(__mf_unregister): Implement stack/heap object wiping.
(__mf_set_options): Renamed from __mf_process_opts.
(__mf_uncache_object): Change arg type, correct callers.
* mf-impl.h: Corresponding changes.
* mf-hooks.c (realloc): Save/restore heap-wiping flag.
* mf-runtime.h.in (__mf_set_options): Extend public API.
* test/pass26-frag.c: New test for stack wiping.
* Makefile.am (TESTS): Run it.
* Makefile.in: Regenerated.
2002-11-07 Frank Ch. Eigler <fche@redhat.com>
* mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
* mf-runtime.c (__mf_object_t): Add watching_p field.
(__mf_watch_or_not): New function to implement
object watch flagging.
(__mf_watch, __mf_unwatch): New wrappers for above.
(__mf_check, __mf_describe_object): Handle objects with watching_p.
(__mf_count_violation): Enlarge array.
(__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
unlink object. Clear cache properly.
(__mf_unregister): Unlink object explicitly before uncaching.
* test/fail21-frag.c, pass25-frag.c: New tests.
* Makefile.in, aclocal.m4: Regenerated.
2002-11-05 Frank Ch. Eigler <fche@redhat.com>
* test/fail20-frag.c: New test for NULL pointer dereferencing.
* Makefile.am (TESTS): Add it.
* test/pass-stratcliff.c: Add decls of stpcpy.
* configure.in: Test for <stdint.h>. Generate mf-runtime.h in
build tree from config.h and new file mf-runtime.h.in.
* mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
* Makefile.in, configure, config.h.in: Regenerated.
* mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
* mf-runtime.c (options, __mf_set_default_options): Support new
default "abbreviate" option.
(__mf_object.description_epoch): New field.
(__mf_describe_object): Conditionally abbreviate objects already
displayed in current epoch. Accept NULL input to increment epoch.
(__mf_fini, __mf_ini): Reset description epoch.
(__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
that NULL pointer slot in lookup cache is invalidated. Register a
NOACCESS region around NULL.
* mf-impl.h: Corresponding changes.
2002-10-16 Frank Ch. Eigler <fche@redhat.com>
* test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
* Makefile.am: Run them. Install mf-runtime.h.
* Makefile.in: Regenerated.
* mf-hooks.c: Add some markers for more missing functions.
* mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
statistic to tune tune cache size (mask).
2002-10-01 Frank Ch. Eigler <fche@redhat.com>
* test/pass23-frag.c: New test for bit_field_ref expressions.
* Makefile.am, Makefile.in: Add new test.
* mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
(MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
* mf-runtime.c (__mf_init): Register errno global.
(__mf_find_object): Removed function.
(__mf_check): Rewrite logic to support accesses across some
contiguous but distinctly registered objects.
(__mf_remove_old_object): Tolerate cache entries that span
contiguous objects.
2002-09-30 Frank Ch. Eigler <fche@redhat.com>
* test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
* Makefile.am, Makefile.in: Run new tests.
* mf-hooks.c (alloca): Correct stack direction logic.
2002-09-26 Frank Ch. Eigler <fche@redhat.com>
* mf-impl.h (adapt_cache): New option.
* mf-runtime.c (__mf_set_default_options): Set its default value.
Tweak the tree_aging parameter down.
(__mf_check): Maintain separate counter for cache-adaptation.
(__mf_tree_analyze): New function to collect object tree stats.
(__mf_adapt_cache): New function to automate cache parameters.
2002-09-24 Frank Ch. Eigler <fche@redhat.com>
* mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
hypothetical #if-0'd argv/envp region registration.
* mf-runtime.c (__mf_init): Add kludged form of above.
(*) Add "heur_argv_environ" flag, default on, to govern this.
* mf-impl.h: Corresponding changes.
2002-09-20 Frank Ch. Eigler <fche@redhat.com>
* test/fail18-frag.c: New test file for NOACCESS regions.
* Makefile.am (TESTS): Add new test.
* Makefile.in: Regenerated.
* mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
* mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
(optimize_object_tree): Remove unused mudflap_option.
* mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
support throughout. Use .._MAX_CEM for cemetary upper bound.
* mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
regions.
(__mf_object): Add new liveness field for use by tree aging.
(__mf_check): Trigger tree aging when needed.
(__mf_age_tree): New function to decay liveness field.
(__mf_find_objects_rec): Use liveness field to rotate tree.
(__mf_insert_new_object): Only provide backtrace for HEAP objects.
(__mf_unregister): Ditto.
(__mf_register): Tweak duplicate-static message.
(__mf_violation: Tweak nearby-object counter printing.
2002-09-16 Frank Ch. Eigler <fche@redhat.com>
* test/pass20-frag.c: New test file.
* Makefile.am (TESTS): Reorganize. Add pass20 test.
* Makefile.in: Regenerated.
* mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
* mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
* mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
entries to avoid repeat registration.
* mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
(__mf_register, __mf_unregister): Rewrite GUESS handling logic.
2002-09-09 Frank Ch. Eigler <fche@redhat.com>
* Makefile.am: Create test sources with #include, not cat>>.
* Makefile.in: Regenerated.
* test/buildtest.sh: Removed.
* test/driver.c (abort_handler, main): Be quiet.
2002-09-06 Frank Ch. Eigler <fche@redhat.com>
* test/pass18-frag.c, pass19-frag.c: New tests.
* Makefile.am (check): Run them. Rebuild test programs each time.
* Makefile.in: Regenerated.
2002-09-06 Frank Ch. Eigler <fche@redhat.com>
* mf-runtime.c (__mf_register): Correct SEGV-inducing error in
overlapping object search.
(__mf_violation): Likewise for nearby objects.
Improve nearby-object listing.
cleanup:
* mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
* mf-heuristics.c (__mf_heuristic_check): Tweak message.
2002-09-03 Frank Ch. Eigler <fche@redhat.com>
alloca support:
* Makefile.am (AM_CFLAGS): New definition of needed settings.
(HOOKOBJS): Add alloca-hook.o.
* mf-hooks.c (alloca): New function to implement alloca in libiberty
style.
* mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
(__mf_backtrace): Reimplement without using alloca.
* Makefile.in: Regenerated.
cleanup:
* mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
Correct signedness bugs in length-tracking variables.
* mf-impl.h: Make options unsigned.
(CALL_WRAP): New macro to parallel CALL_REAL().
(DECLARE): Remove erroneous ";" at end.
* mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
formatting specs with %08lx. Correct several compiler warnings.
2002-08-28 Frank Ch. Eigler <fche@redhat.com>
* mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
2002-08-27 Frank Ch. Eigler <fche@redhat.com>
libmudflap hook breakup:
* Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
for libgcc_s.
(TESTS): Make dependent on libmudflap.
(HOOKOBJS): Break up mf-hooks.o into many little hook objects,
compiled from segments of mf-hooks.c.
* mf-hooks.c: Corresponding changes: wrap each function in
#ifdef/#endif.
* Makefile.in: Regenerated.
Heuristics reorganization:
* mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
Remove these functions. Update callers.
(__mf_heuristic_check): Incorporate all the various heuristics.
Encode cacheability/retry judgement into trinary return value.
Separate start-end logic into a separate fallback heuristic. Only
register relevant /proc/self/map segments.
* mf-impl.h: Corresponding changes.
* mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
(__mf_init): Don't call __mf_init_heuristics.
Tracing cleanup:
* mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
"-verbose-trace" to emit all tracing messages other than those of
basic public api. Eliminate some duplicate/excessive messages.
* mf-runtime.h: Corresponding changes.
2002-08-27 Graydon Hoare <graydon@redhat.com>
* mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
and __real when compiled with -DPIC.
* mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
* Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
* Makefile.in: Regenerate.
2002-08-26 Graydon Hoare <graydon@redhat.com>
* mf-impl.h: New file, private implementation header.
* mf-runtime.h: Reorganize a bit.
(CLAMPSZ): Fix arithmetic.
(__MF_CACHE_MISS_P): Fix arithmetic.
* mf-runtime.c: Reorganize a bit.
(__mf_dynamic): New structure.
(resolve_single_dynamic): New function.
(__mf_resolve_dynamics): New function.
(__mf_init): Initialize dynamic wrappers.
* mf-hooks.c: Macro-ize __real calls.
Clamp various bits of arithmetic.
Add explicit __mf_check call contexts.
* Makefile.am: Add dependencies on mf-impl.h
* Makefile.in: Regenerate.
* configure.in: Comment out shared override.
* configure: Regenerate.
2002-08-22 Graydon Hoare <graydon@redhat.com>
* mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
(__mf_check): Re-inialize and check heuristics before violation.
(__mf_register): Permit updating pure-guess regions.
* mf-hooks.c (__wrap_free): Correct some free queue logic.
(__wrap_dlopen): New wrapper function.
(__wrap_mmap): New wrapper function.
(__wrap_munmap): New wrapper function.
* mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
which are not stack addresses.
(is_stack_address): New function.
(__mf_init_heuristics): Save and restore state, always initialize with
"starting" state.
2002-08-21 Frank Ch. Eigler <fche@redhat.com>
* mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
error. Pass location string.
(wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
* mf-runtime.c (options): Add lc-mask, lc-shift options.
(__mf_process_opts): Apply some sanity checking for lc-mask.
(__mf_check, __mf_violation): Take new location-string argument.
Update callers to pass NULL if necessary.
(__mf_backtrace): New smart backtracer function. Calls replace
several ad-hoc blocks elsewhere.
(__mf_describe_object): Remove bad reentrancy test. Improve
tracing message.
* mf-runtime.h: Corresponding changes. Public/private markup.
(__MF_CACHE_MISS_P): New macro.
2002-08-20 Graydon Hoare <graydon@redhat.com>
* mf-runtime.h: New option: stack_bound (heuristic).
Move some macros out of implementation files.
* mf-runtime.c: New option string: -stack-bound.
Unify recursion protection with hooks.
Add more logging.
(__mf_check): Call __mf_heuristic_check.
(__mf_process_opts): Fix "no-" processing.
* mf-heuristics.c (__mf_heuristic_check): New function.
* mf-hooks.c: Much off-by-one fixing, recursion protection.
2002-08-20 Frank Ch. Eigler <fche@redhat.com>
Option parsing improvements, region splitting bug fixes:
* mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
* mf-runtime.h (heur_proc_map): New libmudflap option.
* mf-runtime.c (__mf_set_default_options): Set it.
(__mf_usage): Print default values/status.
(__mf_process_opts): Support general "no-" option string prefix.
(__mf_init): Print __mf_usage on unknown-option error.
(__mf_register): Print trace message up front.
Correct region splitting logic for case where a subregion disappears.
Correct memory leak.
(__mf_violation): Make even basic message conditional on option.
Build cleanup:
* Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
(clean-local): New target.
(test/*x rules): Add -g CFLAGS.
(CFLAGS): Add -freorder-blocks.
(MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
* Makefile.in: Regenerated.
* Makefile, mf-config.h: Removed files.
2002-08-16 Graydon Hoare <graydon@redhat.com>
* mf-runtime.c (__mf_insert_new_object): Factor out of
__mf_register.
(__mf_remove_old_object): Factor out of __mf_unregister.
(__mf_register): Handle guessed regions, splitting
guesses when new registrations arrive.
(__mf_unregister): Do not unregister guesses.
* mf-runtime.h: Move convenience macros around,
declare new option fields. Add __MF_TYPE_GUESS.
* mf-hooks.c (__wrap_*alloc): Use crumple zones.
(__wrap_free): Call __real_free for deferred frees.
* Makefile.am: Add more tests, fix dependency.
* Makefile.in: Regenerate.
* test/pass[13..17]-frag.c: New testcases.
* test/fail[13..17]-frag.c: New testcases.
2002-08-15 Graydon Hoare <graydon@redhat.com>
* mf-heuristics.c: New file.
* mf-runtime.c (options): Add -trace-calls option.
(__mf_init): Call __mf_init_heuristics.
2002-08-14 Graydon Hoare <graydon@redhat.com>
* Makefile.am (TESTS): Add testsuite support.
* Makefile.in: Regenerate.
* test/mf-driver.c: New file.
* test/buildtest.sh: New file.
* test/passNN-frag.c: New testcases.
* test/failNN-frag.c: New testcases.
2002-08-14 Graydon Hoare <graydon@redhat.com>
* mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
verifying non-size-limited string extents.
2002-08-14 Frank Ch. Eigler <fche@redhat.com>
* mf-hooks.c: Make __wrap string* functions use __real_str[n]len
instead of plain str[n]len for internal checks.
* mf-runtime.c (__mf_violation): Print optional stack traceback.
2002-08-14 Frank Ch. Eigler <fche@redhat.com>
* mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
2002-08-13 Graydon Hoare <graydon@redhat.com>
* mf-runtime.c: Rework configuration to operate on
environment variable options rather than #defines
(__mf_violation): Add simple fork-a-gdb violaiton mode.
(__mf_init): Set static __mf_active_p flag on startup,
to inhibit mudflap wrap-based checking during crt0.s.
* mf-runtime.h: Declare options structure.
* mf-hooks.c: New wrappings for mem*, b*, str*
libc functions (temporarily #if 0-ed out).
2002-08-12 Frank Ch. Eigler <fche@redhat.com>
* Makefile.am, configure.in: New files.
* Makefile.in, Makefile, configure, config.h.in: New generated files.
* stamp-h.in, aclocal.m4: Ditto.
2002-08-08 Frank Ch. Eigler <fche@redhat.com>
* Makefile: New file.
* mf-config.h: New file: runtime configuration.
* mf-hooks.c: New file: interposed libc functions.
* mf-runtime.c: New file: bulk of runtime.
* mf-runtime.h: New file: public functions.
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