1171 lines
45 KiB
Plaintext
1171 lines
45 KiB
Plaintext
2004-07-21 Frank Ch. Eigler <fche@redhat.com>
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* mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
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(__mfu_usage): Include (C) 2004.
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* mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
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here. Include a comment explaining why.
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2004-07-20 Frank Ch. Eigler <fche@redhat.com>
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* mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
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* mf-runtime.c (options): Give them a name.
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(__mf_set_default_options): Set them.
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(__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
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(__mf_violation): Warning cleanup.
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* mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
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* splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
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2004-07-15 Frank Ch. Eigler <fche@redhat.com>
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g++/15861
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* mf-runtime.c (__mf_init): Make it non-static. Tolerate
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repeated invocation.
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2004-07-09 Frank Ch. Eigler <fche@redhat.com>
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Test case for g++/15861
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* testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
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* testsuite/libmudflap.c++/ctors.exp: Driver.
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* testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
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Look only for *frag* test cases.
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2004-07-08 Frank Ch. Eigler <fche@redhat.com>
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ANSI C conversion, libmudflap specialization, recursion limiting.
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* splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
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argument and indirection function pointers, update callers.
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(splay_tree_s): Add statistics and recursion control fields
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num_keys, max_depth, depth, rebalance_p.
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* splay-tree.c (splay_tree_splay_helper): Track recursion depth.
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Back out of search if it exceeds limit.
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(splay_tree_splay): Manage recursion limiting with rebalancing as
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needed.
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(splay_tree_new): More initialization.
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(splay_tree_rebalance): New function.
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(splay_tree_foreach): Rewrite using nonrecursive logic.
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(splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
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Remove. Point indirect calls to mf-runtime.c's routines.
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(splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
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functions.
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(splay_tree_delete, splay_tree_delete_helper): Ditto.
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* testsuite/heap-scalestress.c: New test based on one from
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Eyal Lebedinsky <eyal@eyal.emu.id.au>:
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2004-07-05 Matthias Klose <doko@debian.org>
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* libtool-version: New.
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* Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
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Use -version-info for soname.
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* Makefile.in: Regenerate.
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* configure.ac: Remove libtool_VERSION macro
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* configure: Regenerate
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2004-07-05 Zack Weinberg <zack@codesourcery.com>
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* mf-runtime.h.in: Wrap declarations of struct __mf_cache,
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__mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
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#ifndef _MUDFLAP.
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2004-06-29 Frank Ch. Eigler <fche@redhat.com>
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Splay tree implementation fork.
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* splay-tree.c, splay-tree.h: Copied & modified from libiberty.
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Use hard-coded comparison function for uintptr_t. Remove key/value
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deallocation logic. Cache last splayed key for consecutive lookups.
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* Makefile.am, Makefile.in: Use them, don't link to them.
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* mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
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(__mf_find_objects2): Flip successor/predecessor search sequence.
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* ansidecl.h, libiberty.h: Removed dummy files.
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2004-06-29 Nick Clifton <nickc@redhat.com>
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* configure.ac (AC_CHECK_HEADERS): Add dirent.h
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* configure: Regenerate.
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* mf-hooks2.c: Surround uses of dirent.h with #ifdef
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HAVE_DIRENT_H.
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Remove spurious inclusion of <strings.h>.
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2004-06-29 Nick Clifton <nickc@redhat.com>
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* mf-runtime.c (pthread_join): Only apply the weak pragma if the
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function actually exists.
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2004-06-25 Frank Ch. Eigler <fche@redhat.com>
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* ansidecl.h, libiberty.h: New dummy files for building splay-tree.
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* config.h.in: Regenerated.
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2004-06-24 Frank Ch. Eigler <fche@redhat.com>
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Adopt splay trees for object database.
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* Makefile.am: Copy splay-tree.* from libiberty.
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* Makefile.in, testsuite/Makefile.in: Regenerated.
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* mf-runtime.h.in (__mf_unregister): Add third parameter (type).
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* mf-hooks[123].c (*): Add new third parameter to mf_unregister.
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* mf-impl.h (BEGIN_PROTECT): Remove some trace text.
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* mf-runtime.c: Rewrite code dealing with object database to use
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libiberty splay trees. Remove tree liveness aging option.
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* testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
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2004-06-15 Paolo Bonzini <bonzini@gnu.org>
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* configure.ac: New name of configure.in. Update
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AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
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AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
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Autoconf 2.5x and Automake 1.7 or later.
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* configure.in: Remove.
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* configure: Regenerate.
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* Makefile.am: Remove useless multilib rules.
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* Makefile.in: Regenerate.
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2004-06-15 Paolo Bonzini <bonzini@gnu.org>
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* .cvsignore: New file.
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2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
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PR libmudflap/13505
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* mf-hooks2.c (semctl): Add cygwin porting hack.
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2004-06-09 Frank Ch. Eigler <fche@redhat.com>
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ctype support.
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* configure.in: Look for ctype header and glibc implementation.
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* mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
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array hooks for glibc 2.3.
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* mf-runtime.h.in: Wrap them.
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* mf-runtime.c (__mf_init): Leave marker regarding other ctype
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implementations.
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* testsuite/libmudflap.c/pass47-frag.c: New test.
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* configure, config.h.in: Regenerated.
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2004-06-04 Frank Ch. Eigler <fche@redhat.com>
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Portability improvements, e.g., libmudflap/15293.
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* configure.in: Look for glibc extension functions. Look for
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support of -f{function,data}-sections. Look for more headers.
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Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
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* Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
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mf-hooks* into usual single object per source.
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* mf-hooks*.c: Remove all #if WRAP_foo conditionals.
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* mf-hooks2.c: #include a bunch more system headers. Define strnlen
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if system doesn't provide one.
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* mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
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(pthread_create): Use it to properly GC dead thread stacks.
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* mf-runtime.c (__mf_violation): Correct snprintf type warning.
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* testsuite/Makefile.am: Stop generating site.exp.
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* testsuite/mfconfig.exp.in: New file.
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* testsuite/config/default.exp: Load new mfconfig.exp.
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* testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
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(prune_gcc_output): Add glibc static linking warnings.
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* testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
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* testsuite/libmudflap.c/pass46-frag.c: Ditto.
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* configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
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Regenerated with autoconf 2.57 and automake 1.7.
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2004-06-04 Per Bothner <per@bothner.com>
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* configure.in (LIBMUDFLAPTH): Fix thinko.
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* configure.in: Check for more headers.
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* mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
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* mf-runtime.c: In two places conditionalize on SIUSR1 rather than
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HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
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2004-06-01 Andreas Jaeger <aj@suse.de>
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* configure.in: Handle multilibs, support
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--enable-version-specific-runtime-libs.
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* Makefile.am (lib_LTLIBRARIES): Rename to ...
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(toolexeclib_LTLIBRARIES): this for multilib support.
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* Makefile.in: Regenerated.
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* configure: Regenerated.
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* aclocal.m4: Regenerated.
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* config.h.in: Regenerated.
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* testsuite/Makefile.in: Regenerated.
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2004-06-01 Andreas Jaeger <aj@suse.de>
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* testsuite/lib/libmudflap.exp (libmudflap-init): Handle
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multilibs, using multilib directory instead of hardcoded path.
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Set LD_RUN_PATH.
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2004-05-21 Frank Ch. Eigler <fche@redhat.com>
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* Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
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* Makefile.in: Ditto.
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2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
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* acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
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* aclocal.m4, configure: Rebuilt.
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2004-05-17 Frank Ch. Eigler <fche@redhat.com>
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* lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
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import some build settings from libstdc++-v3 testsuite_flags.
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* .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
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changes to pass test language.
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* mf-runtime.c (__mfu_check): Poison the cache with antidote for
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quicker mode-nop handling.
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2004-03-25 Frank Ch. Eigler <fche@redhat.com>
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* mf-impl.h: Added libgcc license header.
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2004-03-20 Frank Ch. Eigler <fche@redhat.com>
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* mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
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Added libgcc license header.
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* mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
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(pthread_create): Simplify stack allocation syntax.
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2004-03-08 Loren J. Rittle <ljrittle@acm.org>
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* mf-hooks2.c: Support FreeBSD.
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(WRAP_gets): Avoid gets().
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* testsuite/libmudflap.c/pass-stratcliff.c: Do not
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test unimplemented mem/str calls on FreeBSD.
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* testsuite/libmudflap.c/pass21-frag.c: Do not include
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<alloca.h> on FreeBSD.
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2004-01-30 Frank Ch. Eigler <fche@redhat.com>
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* testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
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* testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
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* testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
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flags for static linking permutation.
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* testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
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some pthreads code that croaks on linux glibc tls.
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2004-01-27 Frank Ch. Eigler <fche@redhat.com>
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* testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
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2004-01-15 Frank Ch. Eigler <fche@redhat.com>
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* testsuite/libmudflap.c/pass44-frag.c: New test.
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2004-01-12 Frank Ch. Eigler <fche@redhat.com>
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* testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
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2004-01-08 Frank Ch. Eigler <fche@redhat.com>
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* testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
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2003-12-11 Frank Ch. Eigler <fche@redhat.com>
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* testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
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2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
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PR libmudflap/12670
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* configure.in: Add check for see if
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socklen_t typedef is in sys/socket.h.
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* mf-hooks1.c: Add define if socklen_t
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is not typedef.
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* mf-hooks2.c: Likewise.
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* mf-hooks3.c: Likewise.
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* config.h.in: Regen.
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* configure: Regen.
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2003-12-08 Frank Ch. Eigler <fche@redhat.com>
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* mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
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* testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
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optimizations.
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* testsuite/libmudflap.c/pass25-frag.c: Ditto.
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* testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
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(unoptimized) allocation of stack space.
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2003-12-07 Richard Henderson <rth@redhat.com>
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* testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
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* testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
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2003-12-06 Andrew Pinski <apinski@apple.com>
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partial PR libmudflap/12670
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* mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
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* mf-hooks2.c: Likewise.
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* mf-hooks3.c: Likewise.
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2003-11-19 Frank Ch. Eigler <fche@redhat.com>
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libstdc++/11696
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* mf-runtime.h.in: Switch to #pragma redefine_extname for
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symbols interposed at compile time.
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* testsuite/libmudflap.c++/pass41-frag.cxx: New test.
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libmudflap/12939
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* mf-hooks2.c (semctl): Tolerate FreeBSD.
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* configure.in: Reorganize check for <pthread.h>.
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* configure: Regenerated.
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2003-11-04 David Edelsohn <edelsohn@gnu.org>
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* mf-runtime.c (_ALL_SOURCE): Define for AIX.
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(_LARGE_FILE_API): Define for AIX.
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* mf-hooks[123]: Same.
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(_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
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2003-10-21 David Edelsohn <edelsohn@gnu.org>
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* mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
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2003-07-29 Frank Ch. Eigler <fche@redhat.com>
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2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
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* configure.in: Update check for union semun.
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2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
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PR other/11673
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* mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
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2003-07-29 Frank Ch. Eigler <fche@redhat.com>
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PR other/11673
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* configure.in: Add checks for 64-bit LFS functions, struct semun
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definition, for BSD compatibility.
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* mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
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* mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
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* mf-hooks3.c: Ditto.
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(pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
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mmap flag.
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* configure, config.h.in: Regenerated.
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2003-07-23 Frank Ch. Eigler <fche@redhat.com>
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Multithreading fixes:
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* mf-runtime.c (__mf_object): Store allocating/deallocating
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thread id.
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(options): Support new "-thread-stack" option.
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Rename "-heur-argv-environ" option to "-heur-stdlib".
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Disable "-lc-mask" and "-lc-shift" options.
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(__mf_dynamic): Add function pointers for pthread_join/_exit.
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(__assert_fail): New self-contained function for glibc.
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* mf-hooks3.c: Essentially rewritten, particularly related to
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use of __mf_pthread_info array.
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(pthread_join, _exit): New hook functions.
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* mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
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* testsuite/libmudflap.cth/pass40-frag.c: New test.
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Warning cleanups:
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* mf-heuristics.c: Add type casts for tracing, sub calls.
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* mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
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Update all callers to declare explicit result holder.
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(END_PROTECT): Removed.
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* testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
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2003-07-15 Diego Novillo <dnovillo@redhat.com>
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* testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
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* testsuite/libmudflap.c/fail15-frag.c: Likewise.
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* testsuite/libmudflap.c/fail13-frag.c: Likewise.
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2003-07-04 Frank Ch. Eigler <fche@redhat.com>
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* mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
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* mf-hooks: Removed.
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* mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
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Move these macros from old mf-hooks.c here.
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* Makefile.am: Adapt to split-up hook sources for faster builds.
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* Makefile.in: Regenerated.
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* mf-heuristics.c: Remove #if-0 block.
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* mf-impl.h (__mf_state): Reorganize declaration and implementation.
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(__mf_starting_p): New state only for use while dlsym bootstrapping.
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(CALL_REAL, __mf_init): Corresponding changes.
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(TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
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all callers to remove redundant "mf:" prefix.
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* mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
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* mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
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(__mf_pthread_info): Become a hash table.
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* testsuite/lib/mfdg.exp: Support new "dg-timeout" and
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"dg-repetitions" directives to control test case execution.
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* testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
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options.
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* testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
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2003-06-25 Frank Ch. Eigler <fche@redhat.com>
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* mf-hooks.c (alloca): Separate into stub.
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(__mf_wrap_alloca_indirect): New function. Use CALL_REAL
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malloc/free for alloca blocks.
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(pthread_create): Tolerate failing pthread_attr_get* calls.
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* mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
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* mf-impl.h (CALL_WRAP): Remove macro.
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* testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
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* testsuite/libmudflap.c/pass23-frag.c: Include more struct
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padding for ia64 BIT_FIELD_REF constructs.
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2003-06-19 Frank Ch. Eigler <fche@redhat.com>
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* 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.
|