Mercurial > hg > CbC > CbC_gcc
diff libmudflap/ChangeLog @ 0:a06113de4d67
first commit
| author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
|---|---|
| date | Fri, 17 Jul 2009 14:47:48 +0900 |
| parents | |
| children | 58ad6c70ea60 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libmudflap/ChangeLog Fri Jul 17 14:47:48 2009 +0900 @@ -0,0 +1,1786 @@ +2009-04-21 Release Manager + + * GCC 4.4.0 released. + +2009-04-09 Nick Clifton <nickc@redhat.com> + + * mf-hooks1.c: Change copyright header to refer to version 3 + of the GNU General Public License with version 3.1 of the GCC + Runtime Library Exception and to point readers at the COPYING3 + and COPYING3.RUNTIME files and the FSF's license web page. + * mf-heuristics.c: Likewise. + * mf-hooks2.c: Likewise. + * mf-hooks3.c: Likewise. + * mf-impl.h: Likewise. + * mf-runtime.c: Likewise. + * mf-runtime.h: Likewise. + +2009-04-09 Jakub Jelinek <jakub@redhat.com> + + * testsuite/lib/mfdg.exp: Change copyright header to refer to + version 3 of the GNU General Public License and to point readers + at the COPYING3 file and the FSF's license web page. + * testsuite/lib/libmudflap.exp: Likewise. + +2009-03-31 Ben Elliston <bje@au.ibm.com> + + PR libmudflap/38462 + * testsuite/libmudflap.c/fail27-frag.c: Match `mudflap dead + object', not `mudflap object'. + +2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * configure: Regenerate. + +2009-02-03 Jakub Jelinek <jakub@redhat.com> + + * mf-runtime.c (__mf_usage): Update copyright notice dates. + +2009-01-23 Jie Zhang <jie.zhang@analog.com> + + * mf-impl.h (__mf_get_state, __mf_set_state): Don't use + __thread when TLS support is emulated. + * mf-hooks3.c (__mf_get_state, __mf_set_state): Likewise. + * mf-runtime.c (__mf_state_1): Likewise. + * configure.ac: Use GCC_CHECK_EMUTLS. + * configure: Regenerate. + * config.h.in: Regenerate. + +2008-12-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * configure: Regenerate. + +2008-11-26 Janis Johnson <janis187@us.ibm.com> + + PR testsuite/28870 + * testsuite/lib/mfdg.exp (dg-test): Use new timeout support. + (dg-timeout): Remove. + (standard-wait): Remove. + * testsuite/lib/libmudflap.exp: Include new timeout library files. + (libmudflap_target_compile): Set timeout value from new proc. + +2008-11-10 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/35314 + * testsuite/libmudflap.c/pass67-frag.c: New test. + +2008-10-09 Jakub Jelinek <jakub@redhat.com> + + PR c++/37568 + * testsuite/libmudflap.c++/pass66-frag.cxx: New test. + +2008-09-26 Peter O'Gorman <pogma@thewrittenword.com> + Steve Ellcey <sje@cup.hp.com> + + * configure: Regenerate for new libtool. + * Makefile.in: Ditto. + * testsuite/Makefile.in: Ditto. + +2008-09-15 Jakub Jelinek <jakub@redhat.com> + + PR libmudflap/36397 + * testsuite/libmudflap.c/pass64-frag.c: New test. + +2008-06-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * Makefile.in: Regenerate. + * config.h.in: Regenerate. + * configure: Regenerate. + * testsuite/Makefile.in: Regenerate. + +2008-04-18 Paolo Bonzini <bonzini@gnu.org> + + PR bootstrap/35457 + * aclocal.m4: Regenerate. + * configure: Regenerate. + +2008-03-20 Volker Reichelt <v.reichelt@netcologne.de> + + * testsuite/libmudflap.c/pass63-frag.c: New test. + +2008-03-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * aclocal.m4: Regenerate. + * configure: Likewise. + * Makefile.in: Likewise. + * testsuite/Makefile.in: Likewise. + +2008-03-02 Jakub Jelinek <jakub@redhat.com> + + * mf-runtime.c (__mf_usage): Update copyright notice dates. + +2008-02-21 Uros Bizjak <ubizjak@gmail.com> + + * testsuite/libmudflap.c/fail8-frag.c: Adjust scan pattern for + mudflap dead object. + * testsuite/libmudflap.c/fail9-frag.c: Ditto. + +2008-01-24 David Edelsohn <edelsohn@gnu.org> + + * configure: Regenerate. + +2008-01-05 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/34618 + * testsuite/libmudflap.c/pass62-frag.c: New test. + +2008-01-03 Jakub Jelinek <jakub@redhat.com> + + PR c++/34619 + * testsuite/libmudflap.c++/pass61-frag.cxx: New test. + +2008-01-01 Volker Reichelt <v.reichelt@netcologne.de> + + PR libmudflap/26442 + * testsuite/libmudflap.c++/pass60-frag.cxx: New test. + +2007-10-15 Maciej W. Rozycki <macro@linux-mips.org> + + * configure: Regenerate following changes to ../config/tls.m4. + +2007-07-26 Tom Tromey <tromey@redhat.com> + + * Makefile.in: Rebuilt. + * Makefile.am (clean-local): Removed. + (pth/mf-runtime.lo, pth/mf-heuristics.lo, pth/mf-hooks1.lo, + pth/mf-hooks2.lo, pth/mf-hooks3.lo): Likewise. + (libmudflapth_la_SOURCES): List sources. + (libmudflapth_la_LIBADD): Clear. + (libmudflapth_la_CFLAGS): New variable. + +2007-07-05 H.J. Lu <hongjiu.lu@intel.com> + + * aclocal.m4: Regenerated. + +2007-06-02 Paolo Bonzini <bonzini@gnu.org> + + * configure: Regenerate. + +2007-05-31 Frank Ch. Eigler <fche@redhat.com> + + From Andi Kleen <ak@suse.de>: + * mf-runtime.c (options): Rename structure for compatibility with + glibc getopt_long. + +2007-05-23 Steve Ellcey <sje@cup.hp.com> + + * Makefile.in: Regenerate. + * configure: Regenerate. + * aclocal.m4: Regenerate. + * testsuite/Makefile.in: Regenerate. + +2007-03-14 Uros Bizjak <ubizjak@gmail.com> + + * testsuite/libmudflap.cth/pass59-frag.c (main): Fix casting of arg. + +2007-03-01 Brooks Moses <brooks.moses@codesourcery.com> + + * Makefile.am: Add dummy install-pdf target. + * Makefile.in: Regenerate + +2007-02-07 Jakub Jelinek <jakub@redhat.com> + + PR libgomp/28468 + * configure: Regenerate. + +2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr> + + * configure: Regenerate. + +2006-11-13 Daniel Jacobowitz <dan@codesourcery.com> + + * configure: Regenerated. + +2006-11-10 Frank Ch. Eigler <fche@redhat.com> + + PR libmudflap/28578 + * mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers + static but not function scope static. + (free): Skip deallocation attempts for objects placed into + bootstrap buffers. + * testsuite/libmudflap.cth/pass59-frag.c: New test. + +2006-11-06 Frank Ch. Eigler <fche@redhat.com> + + From Herman ten Brugge <hermantenbrugge@home.nl>: + * mf-runtime.c (__mf_uncache_object): Optimize the code so that + small and large objects are handled a lot faster. + +2006-11-06 Frank Ch. Eigler <fche@redhat.com> + + * configure.ac (__libc_freeres): Look for it. + * mf-impl.h (call_libc_freeres): New configuration flag. + * mf-runtime.c (__mf_set_default_options): Set it by default. + (__mfu_report): Call it if needed. + (__mfu_unregister): Remove "unaccessed registered object" warning. + * configure, config.h.in: Regenerated. + +2006-09-18 Tom Tromey <tromey@redhat.com> + + * configure: Rebuilt. + +2006-06-21 Frank Ch. Eigler <fche@redhat.com> + + PR 21274 + mf-runtime.h installation based on ssp patch for PR 26473 from + Mark Mitchell <mark@codesourcery.com>. + * configure.ac (ACX_NONCANONICAL_TARGET): Use it. + * Makefile.am (target_noncanonical): Define. + (libsubincludedir): New variable. + (nobase_libsubinclude_HEADERS): Add mf-runtime.h. + (include_HEADERS): Remove. + * configure, aclocal.m4, config.h.in: Regenerated. + * Makefile.in, testsuite/Makefile.in: Likewise. + * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT + and _THREAD_SAFE redefinition values. + +2006-05-23 Carlos O'Donell <carlos@codesourcery.com> + + * Makefile.am: Add install-html target. Add install-html to .PHONY + * Makefile.in: Regenerate. + +2006-04-19 Volker Reichelt <reichelt@igpm.rwth-aachen.de> + + PR mudflap/26789 + * testsuite/libmudflap.c++/error1-frag.cxx: New test. + + PR mudflap/26790 + * testsuite/libmudflap.c++/error2-frag.cxx: New test. + +2006-04-10 Matthias Klose <doko@debian.org> + + * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib + directory names containing underscores. + +2005-11-22 Janis Johnson <janis187@us.ibm.com> + + * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from + MUDFLAP_FLAGS if static library not supported. + * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new. + * testsuite/libmudflap.c/externs.exp: Ditto. + * testsuite/libmudflap.c++/ctors.exp: Ditto. + * testsuite/libmudflap.c++/c++frags.exp: Ditto. + * testsuite/libmudflap.cth/cthfrags.exp: Ditto. + +2005-10-04 James E Wilson <wilson@specifix.com> + + * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare + $name as array of characters with unknown bound. Also store into the + array. + * configure: Regenerate. + +2005-09-30 James E. Wilson <wilson@specifix.com> + + * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of + AC_CHECK_HEADER. + (target_thread_file): New. Set from sed'ed gcc output. + (posix_threads): New. Set from target_thread_file. Use instead of + ac_have_pthread_h. + (pthread_create_version): Move initialization before code using it. + * configure: Regenerate. + + * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown + bounds. + +2005-09-29 James E. Wilson <wilson@specifix.com> + + * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect + with HAVE_MMAP ifdef. + +2005-09-23 Frank Ch. Eigler <fche@elastic.org> + + PR 23084. + * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter. + +2005-09-23 Frank Ch. Eigler <fche@elastic.org> + + * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319. + +2005-09-23 Tom Tromey <tromey@redhat.com> + + * aclocal.m4, configure: Rebuilt. + * configure.ac: Use GCC_CHECK_TLS. + * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved + to ../config. + +2005-08-22 Jim Wilson <wilson@specifix.com> + + * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when + __FreeBSD__ is defined. + +2005-08-17 Jim Wilson <wilson@specifix.com> + + * mf-hooks1.c (malloc, calloc, realloc, free, + __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling + the real routines, and END_MALLOC_PROTECT afterwards. + * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc. + (BEGIN_PROTECT): Handle in_malloc state. + (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New. + * testsuite/libmudflap.c/hook2-allocstuff.c: New. + +2005-08-17 Kelley Cook <kcook@gcc.gnu.org> + + * All files: Update FSF address. + +2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de> + + * mf-hooks3.c (main_seen_p): Remove. + (__mf_get_state): Remove attempt to recognize the main thread. + +2005-08-15 Maciej W. Rozycki <macro@linux-mips.org> + + * configure.ac: Test for the name of the symbol used for the entry + point; define ENTRY_POINT to the result. + * configure: Regenerate. + * config.h.in: Regenerate. + * mf-heuristics.c: Replace _start with ENTRY_POINT throughout. + +2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de> + + * mf-runtime.c (__mf_state_1): Initialize to reentrant. + (__mf_init): Set thread state active. + * mf-hooks3.c (__mf_pthread_spawner): Always set thread + state active. + (pthread_create wrapper): Always use thread spawner. + + * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout. + * testsuite/libmudflap.cth/pass39-frag.c: Likewise. + +2005-07-16 Richard Henderson <rth@redhat.com> + + * acinclude.m4: New file. + * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS. + * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild. + * mf-hooks1.c (__mf_0fn_malloc): Move body from ... + (__mf_0fn_calloc): ... here. + * mf-hooks3.c (struct pthread_info): Remove. + (__mf_pthread_info, __mf_pthread_info_idx): Remove. + (LIBMUDFLAPTH_THREADS_MAX): Set to 1021. + (struct mf_thread_data): New. + (mf_thread_data, mf_thread_data_lock): New. + (__mf_allocate_blank_threadinfo): Remove. + (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is + not available. + (__mf_state_perthread): Remove. + (__mf_get_state, __mf_set_state): New. + (__mf_pthread_cleanup): Use &errno, rather than saved pointer. + Update mf_thread_data killing procedure. + (__mf_pthread_spawner): Similarly. + (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove + code to allocate thread stack space. + (__mf_0fn_pthread_join, pthread_join): Remove. + (__mf_0fn_pthread_exit, pthread_exit): Remove. + * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove. + (__mf_state_1): Rename from __mf_state; use TLS when available. + (__mf_get_state, __mf_set_state): New. Update all users. + * mf-runtime.c (begin_recursion_protect1): New. + (BEGIN_RECURSION_PROTECT): Use it. + (__mf_state_1): Rename from __mf_state; use TLS when available. + (threads_active_p): Remove. + (__mf_usage): Compute it directly. + +2005-06-19 Ulrich Weigand <uweigand@de.ibm.com> + + * testsuite/libmudflap.c/externs-1.c (main): Add return statement. + +2005-06-15 Frank Ch. Eigler <fche@redhat.com> + + Fix for uncaching bug reported by Herman ten Brugge. + * mf-runtime.c (__mf_uncache_object): Search whole cache. + * testsuite/libmudflap.c/fail40-frag.c: New test. + +2005-05-23 Alfred M. Szmidt <ams@gnu.org> + + PR libmudflap/21724 + * Makefile.am (AM_MAKEFLAGS): Pass includedir. + * Makefile.in: Amend. + +2005-06-14 Frank Ch. Eigler <fche@redhat.com> + + PR mudflap/21023 + * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files. + * testsuite/libmudflap.c/cfrags.exp: Bypass new sources. + +2005-06-14 Frank Ch. Eigler <fche@redhat.com> + + PR libmudflap/21094 + * testsuite/libmudflap.c++/*.exp: Assert build tree g++. + +2005-06-14 Frank Ch. Eigler <fche@redhat.com> + + PR mudflap/22064 + * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary + unsigned vars with #defines instead of enums. + +2005-05-09 Mike Stump <mrs@apple.com> + + * configure: Regenerate. + +2005-04-12 Mike Stump <mrs@apple.com> + + * configure: Regenerate. + +2005-04-12 Frank Ch. Eigler <fche@redhat.com> + + PR mudflap/19266 + * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation. + * testsuite/libmudflap.c++/pass57-frag.cxx: New test. + +2005-04-04 Alan Modra <amodra@bigpond.net.au> + + * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned. + +2005-03-31 Mike Stump <mrs@apple.com> + + * mf-runtime.h: Add libmudflap copyright clause. + +2005-03-21 Mike Stump <mrs@apple.com> + + * mf-heuristics.c: Fix whitespace at end of line. + * mf-hooks1.c: Likewise. + * mf-hooks2.c: Likewise. + * mf-hooks3.c: Likewise. + * mf-impl.h: Likewise. + * mf-runtime.c: Likewise. + * mf-runtime.h: Likewise. + +2005-03-21 Zack Weinberg <zack@codesourcery.com> + + * configure.ac: Do not invoke TL_AC_GCC_VERSION. + In all substitutions, expand gcc_version in Makefile. + * aclocal.m4, configure: Regenerate. + * Makefile.am: Set gcc_version. + * Makefile.in, testsuite/Makefile.in: Regenerate. + +2005-03-17 Frank Ch. Eigler <fche@redhat.com> + + * mf-runtime.c (__mfu_check): Respect ignore_reads configuration. + * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests. + +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.