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gcc/libitm/ChangeLog
Iain Sandoe 8cf36bb3b8 weakref.m4: New file. 
config:

	* weakref.m4: New file.

libitm:

	* configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
	* alloc_cpp.cc: Generate dummy functions if we don't
	HAVE_ELF_STYLE_WEAKREF.
	* eh_cpp.cc: Likewise.
	* configure: Regenerate.
	* aclocal.m4:  Likewise.
	* config.h.in: Likewise.
	* Makefile.in: Likewise.
	* testsuite/Makefile.in: Likewise.

From-SVN: r181618
2011-11-22 14:49:11 +00:00

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2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
* configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
* alloc_cpp.cc: Generate dummy functions if we don't
HAVE_ELF_STYLE_WEAKREF.
* eh_cpp.cc: Likewise.
* configure: Regenerate.
* aclocal.m4: Likewise.
* config.h.in: Likewise.
* Makefile.in: Likewise.
* testsuite/Makefile.in: Likewise.
2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
* config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
__USER_LABEL_PREFIX__ for targets that use it.
(TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
(_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
in portability to non-elf targets.
(GTM_longjmp): Likewise.
* libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
where required.
2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
* testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
* testsuite/libitm.c/memset-1.c: Likewise.
2011-11-21 Andreas Tobler <andreast@fgznet.ch>
* configure: Regenerate.
2011-11-21 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
(LIBITM_ENABLE_SYMVERS): Handle sun style.
* Makefile.am: Handle sun style versioning.
(libitm_la_LINK): Add $(libitm_la_LDFLAGS).
* configure: Regenerate.
* Makefile.in: Regenerate.
2011-11-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* config/generic/asmcfi.h: Fix comment.
* config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
sequence without .hidden support, error for non-ELF targets.
(GTM_longjmp) [__ELF__]: Only use .hidden if
HAVE_ATTRIBUTE_VISIBILITY.
2011-11-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
_ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
Dummy functions.
* eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
__cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
2011-11-16 Uros Bizjak <ubizjak@gmail.com>
PR bootstrap/51098
* acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
* configure: Regenerate.
2011-11-14 H.J. Lu <hongjiu.lu@intel.com>
* testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
2011-11-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
.hidden.
(.note.GNU-stack): Only use if __linux__.
* alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
* testsuite/libitm.c/notx.c: Use dg-options "-pthread".
* testsuite/libitm.c/reentrant.c: Likewise.
* testsuite/libitm.c/simple-2.c: Likewise.
* testsuite/libitm.c/txrelease.c: Likewise.
* testsuite/libitm.c++/static_ctor.C: Likewise.
2011-11-10 Richard Henderson <rth@redhat.com>
* config/x86/x86_avx.cc: Remove #undef __AVX__ hack. Tidy comments.
* Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
* configure.ac (ARCH_X86_AVX): New conditional.
* Makefile.in, configure: Rebuild.
2011-11-09 Richard Henderson <rth@redhat.com>
* acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
* configure.ac: Use it.
* config.h.in, configure: Rebuild.
* config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
2011-11-09 Richard Henderson <rth@redhat.com>
* barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
* config/alpha/unaligned.h: Remove file.
* config/generic/unaligned.h: Remove file.
* config/x86/unaligned.h: Remove file.
* config/generic/cachepage.h: Remove file.
* config/posix/cachepage.cc: Remove file.
* config/generic/cacheline.cc: Remove file.
* config/x86/cacheline.cc: Remove file.
* config/generic/cacheline.h (gtm_cacheline): Remove the
store_mask, copy_mask, copy_mask_wb methods.
* config/x86/cacheline.h: Likewise.
* config/alpha/cacheline.h: Fall back to generic after setting size.
* config/generic/tls.cc (gtm_mask_stack): Remove.
* config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
(GTM_vpalignr_table): Remove.
* config/x86/x86_sse.cc (GTM_palignr_table): Remove.
(GTM_pshift_table): Remove.
* config/libitm_i.h: Don't include cachepage.h.
* Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
* Makefile.in, testsuite/Makefile.in: Rebuild.
2011-11-09 Richard Henderson <rth@redhat.com>
* config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
to emit branch prediction hint.
* config/x86/sjlj.S: Protect elf directives with __ELF__.
Protect .note.GNU-stack with __linux__.
* configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
* configure, aclocal.m4, config.h.in: Rebuild.
* config/generic/asmcfi.h: New file.
* config/x86/sjlj.S: Use it.
2011-11-08 Richard Henderson <rth@redhat.com>
* local.cc (_ITM_LB): Use a normal call, not a function alias.
2011-11-08 Richard Henderson <rth@redhat.com>
* configure.tgt: Test correct directory for supported cpus.
* configure.ac: Exit if unsupported.
* configure: Rebuild.
* configure.tgt: Delete boilerplate from libgomp for unsupported
targets. Set UNSUPPORTED for unsupported targets.
2011-11-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* configure.tgt: Handle i386 like i[456]86.
* config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
take address.
* config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
!HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
2011-11-05 Aldy Hernandez <aldyh@redhat.com>
* method-wbetl.cc: Update copyright notice.
* aatree.cc: Same.
* util.cc: Same.
* libitm.h: Same.
* memset.cc: Same.
* eh_cpp.cc: Same.
* barrier.tpl: Same.
* useraction.cc: Same.
* stmlock.h: Same.
* memcpy.cc: Same.
* common.h: Same.
* config/generic/tls.cc: Same.
* config/generic/cacheline.h: Same.
* config/generic/cachepage.h: Same.
* config/generic/cacheline.cc: Same.
* config/generic/unaligned.h: Same.
* config/x86/cacheline.h: Same.
* config/x86/cacheline.cc: Same.
* config/x86/unaligned.h: Same.
* config/alpha/cacheline.h: Same.
* config/alpha/unaligned.h: Same.
* config/alpha/sjlj.S: Same.
* config/posix/cachepage.cc: Same.
* config/linux/futex.h: Same.
* config/linux/alpha/futex_bits.h: Same.
2011-11-04 Torvald Riegel <triegel@redhat.com>
* libitm.texi: No cover text and invariant sections.
2011-11-03 Richard Henderson <rth@redhat.com>
* local_type_traits: New file.
* libitm_i.h: Use it. Use C headers, not C++ wrappers.
2011-11-03 Richard Henderson <rth@redhat.com>
* configure.ac: Don't test for gfortran.
* configure: Rebuild.
* testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
* testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
2011-11-03 Aldy Hernandez <aldyh@redhat.com>
* testsuite/libitm.c/memcpy-1.c: Add copyright notice.
* testsuite/libitm.c/memset-1.c: Same.
* testsuite/libitm.c/c.exp: Same.
* testsuite/lib/libitm-dg.exp: Same.
* testsuite/lib/libitm.exp: Same.
* testsuite/libitm.c++/c++.exp: Same.
2011-11-03 Aldy Hernandez <aldyh@redhat.com>
* testsuite/config/default.exp: Update copyright date.
* configure.ac: Add copyright info.
* configure.tgt: Same.
2011-11-03 Aldy Hernandez <aldyh@redhat.com>
* testsuite/libitm.c/reentrant.c: XFAIL.
* testsuite/libitm.c++/static_ctor.C: XFAIL.
2011-10-29 Torvald Riegel <triegel@redhat.com>
* beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
handle aborts.
(_ITM_abortTransaction): Handle aborts of outer transactions.
* libitm_i.h: Same.
* eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
* libitm.texi: Document aborts of outer transactions.
* testsuite/libitm.c/cancel.c: New file.
2011-10-19 Torvald Riegel <triegel@redhat.com>
* testsuite/*: Change __transaction to __transaction_atomic or
__transaction_relaxed.
2011-10-19 Torvald Riegel <triegel@redhat.com>
* config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
(gtm_thr): Same.
2011-10-19 Torvald Riegel <triegel@redhat.com>
* libitm_i.h: Add gl_wt dispatch.
* retry.cc (parse_default_method): Same.
* method-gl.cc: New file.
* Makefile.am: Use method-gl.cc.
* Makefile.in: Rebuild.
2011-10-19 Torvald Riegel <triegel@redhat.com>
* beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
safety if requested by a TM method.
* dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
privatization safety.
* method-serial.cc: Same.
2011-10-19 Torvald Riegel <triegel@redhat.com>
* libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
(GTM::gtm_thread): Renamed local_undo to undolog. Renamed
undolog-related member functions from *_local to *_undolog.
* local.cc (gtm_thread::commit_undolog): Same.
* beginend.cc (GTM::gtm_thread::trycommit): Same.
(GTM::gtm_thread::rollback): Roll back undolog before
dispatch-specific rollback.
2011-10-19 Torvald Riegel <triegel@redhat.com>
* retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
re-initialization of the current method group.
* libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
2011-10-19 Torvald Riegel <triegel@redhat.com>
* alloc.cc (commit_allocations_2): Do not free transaction-local
memory when committing a nested transaction.
2011-10-19 Torvald Riegel <triegel@redhat.com>
* method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
serial-irrevocable dispatch, not serial.
2011-10-19 Torvald Riegel <triegel@redhat.com>
* libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
declarations.
* dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
* method-serial.cc: Implement begin_or_restart().
* beginend.cc (GTM::gtm_thread::begin_transaction): Call
dispatch-specific begin_or_restart().
(GTM::gtm_thread::restart): Same.
2011-08-23 Torvald Riegel <triegel@redhat.com>
* retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
restarting without switching to serial mode.
(GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
transaction state. Choose closed-nesting alternative if available.
(GTM::gtm_thread::set_default_dispatch): New.
(parse_default_method): New.
(GTM::gtm_thread::number_of_threads_changed): New.
* method-serial.cc (GTM::serial_mg): New method group class.
(GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
fini.
(GTM::serial_dispatch): Same.
(GTM::serialirr_onwrite_dispatch): Same.
(GTM::gtm_thread::serialirr_mode): Remove calls to fini.
* beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
registered threads.
(GTM::gtm_thread::gtm_thread): Same.
(_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
(GTM::gtm_thread::trycommit): Same. Reset number of restarts.
(GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
choose dispatch but set state according to dispatch here.
* dispatch.h (GTM::abi_dispatch::fini): Move to method group.
(GTM::method_group): New class.
(GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
* libitm_i.h (GTM::gtm_thread): Add declarations for new members.
* libitm.texi: Document TM methods, method groups, method life cycle.
Rename method sets to method groups.
2011-08-23 Torvald Riegel <triegel@redhat.com>
* config/x86/tls.h: Moved to ...
* config/linux/x86/tls.h: ... here.
2011-08-23 Torvald Riegel <triegel@redhat.com>
* config/x86/tls.h: Use __x86_64__ instead of __LP64__.
Add X32 support.
* config/x86/sjlj.S: Same.
2011-08-19 Torvald Riegel <triegel@redhat.com>
* config/linux/rwlock.h: New file.
* config/linux/rwlock.c: New file.
* configure.ac: Reenable futex support (undo SVN rev 157758).
* Makefile.am: Same.
* configure.tgt: Same.
* config/linux/alpha/futex_bits.h: Same.
* config/linux/futex.h: Same. Return number of woken processes.
* config/linux/futex.cc: Same.
(futex_wait): Remove spinning.
* config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
Use __x86_64__ instead of __LP64__.
* aclocal.m4: Include generic futex checks.
* configure: Rebuild.
* Makefile.in: Rebuild.
* testsuite/Makefile.in: Rebuild.
* beginend.cc: Include pthread.h.
* config/posix/cachepage.cc: Same.
2011-08-12 Torvald Riegel <triegel@redhat.com>
* config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
(abi_disp, set_abi_disp): Move to tx's TLS slot.
(set_gtm_thr): New.
* config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
(set_gtm_thr): New.
(GTM::gtm_thread::thread_num): Removed.
(GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
* libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
tx-to-thread renaming.
* beginend.cc: Adapted to tx-to-thread renaming.
(GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
(GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
* query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
gtm_transaction to gtm_thread.
(_ITM_getThreadnum): Removed. Not supported anymore.
* testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
* libitm.texi: Documented that _ITM_getThreadnum is not supported.
* useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
gtm_tx-to-gtm_thr renaming if necessary.
* eh_cpp.cc: Same.
* local.cc: Same.
* retry.cc: Same.
* clone.cc: Same.
* alloc.cc: Same.
* alloc_c.cc: Same.
* alloc_cpp.cc: Same.
* method-serial.cc: Same.
* config/generic/tls.cc: Same.
* config/posix/rwlock.h (gtm_rwlock): Same.
* config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
2011-08-12 Torvald Riegel <triegel@redhat.com>
* config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
implementation.
(gtm_rwlock::read_unlock): Same.
(gtm_rwlock::write_lock_generic): New. Generalized from ...
(gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
* libitm_i.h (GTM::gtm_transaction): Added shared_state.
* config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
w_upgrade. Replaced by per-transaction flags (in shared_state).
Added c_confirmed_writers.
(GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
GTM::gtm_rwlock::write_upgrade): Add tx parameter.
* retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
* method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
* beginend.cc (GTM::gtm_transaction::begin_transaction,
_ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
* libitm.texi: Document locking conventions and implementations in
libitm.
2011-08-12 Torvald Riegel <triegel@redhat.com>
* libitm_i.h (next_tx): Add list of all threads' transaction.
* beginend.cc (GTM::gtm_transaction::begin_transaction): Register
transaction with list of transactions and ...
(thread_exit_handler): ... deregister here.
* config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
* config/x86/target.h: Same.
2011-08-12 Torvald Riegel <triegel@redhat.com>
* testsuite/libitm.c++/static_ctor.C: New file.
2011-08-12 Torvald Riegel <triegel@redhat.com>
* testsuite/libitm.c/reentrant.c: New file.
2011-08-12 Torvald Riegel <triegel@redhat.com>
* config/generic/tls.h: Remove the free list for transactions and ...
* beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
(GTM::gtm_transaction::operator delete): ... and release here.
(thread_exit_handler): New. Delete tx when thread terminates.
(thread_exit_init): New.
(GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
* testsuite/libitm.c/txrelease.c: New file.
2011-08-12 Torvald Riegel <triegel@redhat.com>
* query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
* testsuite/libitm.c/notx.c: New file.
2011-08-12 Torvald Riegel <triegel@redhat.com>
* config/generic/tls.h (gtm_thread): Move local_tid from here ...
* libitm_i.h (local_tid): ... to here.
* beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
(GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
2011-08-12 Torvald Riegel <triegel@redhat.com>
* retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
serialirr_onwrite_dispatch as new default for now.
* method-serial.cc (serialirr_onwrite_dispatch): New.
(GTM::dispatch_serialirr_onwrite): New.
* libitm_i.h: Same.
2011-08-12 Torvald Riegel <triegel@redhat.com>
* beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
* query.cc (_ITM_getTransactionId): There is no active transaction if
the current nesting level is zero.
2011-07-28 Torvald Riegel <triegel@redhat.com>
* beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
rollback.
2011-07-28 Torvald Riegel <triegel@redhat.com>
* retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
transaction properties from the caller instead of from the
transaction object.
* libitm_i.h: Same.
* beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
2011-07-28 Torvald Riegel <triegel@redhat.com>
* local.cc (gtm_transaction::rollback_local): Support closed nesting.
* eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
* dispatch.h: Same.
* method-serial.cc: Same.
* beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
flat nesting as default, and closed nesting on demand.
(GTM::gtm_transaction::rollback): Same.
(_ITM_abortTransaction): Same.
(GTM::gtm_transaction::restart): Same.
(GTM::gtm_transaction::trycommit): Same.
(GTM::gtm_transaction::trycommit_and_finalize): Removed.
(choose_code_path): New.
(GTM::gtm_transaction_cp::save): New.
(GTM::gtm_transaction_cp::commit): New.
* query.cc (_ITM_inTransaction): Support flat nesting.
* libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
(GTM::gtm_transaction): Support flat and closed nesting.
* alloc.cc (commit_allocations_2): New.
(commit_cb_data): New helper struct.
(GTM::gtm_transaction::commit_allocations): Handle nested
commits/rollbacks.
* libitm.texi: Update user action section, add description of nesting.
2011-07-28 Torvald Riegel <triegel@redhat.com>
* libitm_i.h: Add closed nesting as restart reason.
* retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
2011-07-28 Torvald Riegel <triegel@redhat.com>
* useraction.cc: Use vector instead of list to store actions.
Also support partial rollbacks for closed nesting.
* libitm_i.h (GTM::gtm_transaction::user_action): Same.
* beginend.cc: Same.
2011-07-28 Torvald Riegel <triegel@redhat.com>
* dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
closed_nesting flags, as well as a closed nesting alternative.
* method-serial.cc: Same.
(serial_dispatch): Renamed to serialirr_dispatch.
(GTM::dispatch_serialirr): Same.
(serial_dispatch_ul): Renamed to serial_dispatch.
(GTM::dispatch_serial): Same.
2011-07-28 Torvald Riegel <triegel@redhat.com>
* libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
2011-07-28 Torvald Riegel <triegel@redhat.com>
* aatree.h (aa_tree::remove): New.
(aa_tree::operator new): Add placement new.
2011-07-02 Torvald Riegel <triegel@redhat.com>
* containers.h: New file.
* util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
* libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
* common.h: ... to here.
(local_undo): Use GTM::vector for gtm_transaction::local_undo.
* local.cc: Same.
2011-06-30 Torvald Riegel <triegel@redhat.com>
* libitm_i.h (STATE_ABORTING): Remove.
* beginend.cc (_ITM_abortTransaction): Same.
(GTM::gtm_transaction::trycommit_and_finalize): Same.
* libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
(_ITM_rollbackTransaction): Remove.
* beginend.cc: Same.
* libitm.map: Same.
* libitm.texi: Document these ABI changes.
2011-06-30 Torvald Riegel <triegel@redhat.com>
* libitm.texi: New file.
* Makefile.am: Add libitm.texi.
* Makefile.in: Rebuild.
2011-06-30 Torvald Riegel <triegel@redhat.com>
* libitm_i.h: Move parts to common.h and dispatch.h.
* common.h: New file.
* dispatch.h: New file, new dispatch class.
Rename GTM::abi_dispatch::lock_type to ls_modifier.
RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
* beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
decision to retry.cc.
* retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
only.
(GTM::gtm_transaction::decide_begin_dispatch): Same.
* method-serial.cc: Adapt to new dispatch. Add serial mode with undo
logging.
* barrier.cc: Use new barriers definitions.
(abi_dispatch::memmove_overlap_check): New.
* config/x86/x86_sse.cc: Same.
* config/x86/x86_avx.cc: Same.
* Makefile.am: Don't build readonly and wbetl methods, memset.cc and
memcpy.cc.
* Makefile.in: Rebuild.
* method-readonly.cc: Remove.
* method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
2011-06-30 Torvald Riegel <triegel@redhat.com>
* alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
* testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
* testsuite/libitm.c/dropref-2.c: Same.
* testsuite/libitm.c/dropref.c: Same.
2011-06-30 Torvald Riegel <triegel@redhat.com>
* config/generic/tls.h (gtm_disp): Rename to abi_disp.
* config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
* libitm_i.h: Rename gtm_dispatch to abi_dispatch.
* alloc_c.cc: Same.
* barrier.tpl: Same.
* beginend.c: Same.
* config/generic/tls.h: Same.
* config/x86/tls.h: Same.
* libitm_i.h: Same.
* memcpy.cc: Same.
* memset.cc: Same.
* method-readonly.cc: Same.
* method-serial.cc: Same.
* method-wbetl.cc: Same.
* retry.cc: Same.
2011-03-03 Richard Henderson <rth@redhat.com>
* config/posix/rwlock.cc (write_upgrade): Add missing case.
From Patrik Marlier <patrick.marlier@unine.ch>.
2011-02-03 Richard Henderson <rth@redhat.com>
* acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
* configure.ac: Use it.
* configure, config.h.in: Rebuild.
* alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
(_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
_ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
* libitm.map: Use wildcards to match size_t mangling.
2010-12-14 Richard Henderson <rth@redhat.com>
* beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
blocks of TIDs per thread.
* config/generic/tls.h (struct gtm_thread): Add local_tid member.
(setup_gtm_thr): Return the thread structure.
* config/x86/tls.h (setup_gtm_thr): Likewise.
2010-12-14 Richard Henderson <rth@redhat.com>
* clone.cc (table_lock): Remove.
(find_clone): Don't take it.
(ExcludeTransaction): New helper class.
(_ITM_registerTMCloneTable): Use it.
(_ITM_deregisterTMCloneTable): Likewise.
2010-12-14 Richard Henderson <rth@redhat.com>
* config/x86/tls.h: New file.
2010-07-15 Richard Henderson <rth@redhat.com>
* Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
* Makefile.in: Rebuild.
2010-07-13 Aldy Hernandez <aldyh@redhat.com>
* method-wbetl.cc (trydropreference): Fix source line.
2010-07-13 Aldy Hernandez <aldyh@redhat.com>
* libitm.h: Add comment.
* libitm_i.h (begin_transaction): Add ITM_REGPARM.
2010-07-07 Aldy Hernandez <aldyh@redhat.com>
* configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
* beginend.cc (begin_transaction): If 64-bit sync builtins are not
available, use pthread mutexes.
* acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
* config.h.in: Regenerate.
* configure: Regenerate.
2010-07-06 Aldy Hernandez <aldyh@redhat.com>
* libitm.h (ITM_PURE): Define.
Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
2010-06-28 Aldy Hernandez <aldyh@redhat.com>
* method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
(validate): Add comment.
(trydropreference): New.
* method-readonly.cc (class readonly_dispatch): Add
trydropreference.
* alloc_c.cc (_ITM_dropReferences): Remove const attribute.
Call trydropreference().
* libitm.h (_ITM_dropReferences): Remove const attribute.
* method-serial.cc (class serial_dispatch): Add trydropreference.
* libitm_i.h (struct gtm_dispatch): Add trydropreference.
2010-06-28 Aldy Hernandez <aldyh@redhat.com>
* memcpy.cc (do_memcpy): Comment.
2010-06-25 Aldy Hernandez <aldyh@redhat.com>
* barrier.tpl: Add comments throughout.
2010-06-24 Aldy Hernandez <aldyh@redhat.com>
* method-wbetl.cc (struct w_entry): Add comments.
(trycommit): Same.
(rollback): Same.
2010-06-24 Aldy Hernandez <aldyh@redhat.com>
* alloc_c.cc (_ITM_dropReferences): New.
* libitm.map (_ITM_dropReferences): Add.
* libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
* libitm_i.h (struct gtm_transaction): Declare
drop_references_allocations and drop_references_local.
* local.cc (rollback_local): Ignore memory when applicable.
(drop_references_local): New.
2010-06-23 Richard Henderson <rth@redhat.com>
* barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
memset.cc, method-serial.cc: Revert the 2010-06-16 change.
* config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
* config/alpha/target.h: Likewise.
* config/generic/tls.cc (gtm_mask_stack): Use it.
2010-06-23 Richard Henderson <rth@redhat.com>
* config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
a mutex instead of trying a lock-free compare-and-swap on the list.
(gtm_cacheline_page::operator delete): Likewise.
2010-06-16 Richard Henderson <rth@redhat.com>
* method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
that overlap the libitm stack.
* barrier.tpl: Mark incoming stack.
* beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
_ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
* clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
* memcpy.cc, memset.cc: Likewise.
* method-serial.cc (_ITM_changeTransactionMode): Likewise.
* config/generic/tls.h (gtm_thread): Add stack_top member.
(gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
* libitm_i.h (gtm_mask_stack): Declare.
* config/generic/tls.cc: New file.
* Makefile.am (libitm_la_SOURCES): Add it.
(AM_CXXFLAGS): Turn off exceptions.
* Makefile.in: Rebuild.
2010-06-16 Richard Henderson <rth@redhat.com>
* alloc.cc (struct gtm_alloc_action): Move definition ...
* libitm_i.h: ... here.
(class gtm_transaction): Declare new and delete.
* beginend.cc (alloc_tx): Reformulate as operator new.
(free_tx): Reformulate as operator delete.
* config/generic/tls.h (gtm_thread): Change free_tx member to void *.
2010-06-11 Richard Henderson <rth@redhat.com>
* clone.cc (clone_entry_compare): Fix typo.
From Patrik Marlier <patrick.marlier@unine.ch>.
2010-05-13 Richard Henderson <rth@redhat.com>
* alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
in extern "C".
2010-05-07 Aldy Hernandez <aldyh@redhat.com>
* libitm_i.h (struct gtm_transaction): Remove
get_allocation_size.
(record_allocation): Remove size parameter.
* libitm.map (_ITM_realloc): Remove.
* alloc_c.cc (_ITM_realloc): Remove.
(_ITM_malloc): Remove size argument to record_allocation.
(_ITM_calloc): Same.
* alloc_cpp.cc (_ZGTtnwm): Same.
(_ZGTtnwmRKSt9nothrow_t): Same.
(_ZGTtnam): Same.
(_ZGTtnamRKSt9nothrow_t): Same.
* alloc.cc (struct gtm_alloc_action): Remove size.
(get_allocation_size): Remove.
(commit_allocations): Add comment.
(record_allocation): Remove size parameter.
(forget_allocation): Remove set of size.
2010-04-19 Aldy Hernandez <aldyh@redhat.com>
* Makefile.am (abi_version): New.
(AM_CXXFLAGS): Pass abi_version.
* Makefile.in: Regenerate.
* config/x86/unaligned.h: Remove always_inline kludge for vectors.
2010-04-06 Aldy Hernandez <aldyh@redhat.com>
* clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
_ITM_getTMCloneOrIrrevokable.
* libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
* libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
2010-03-26 Aldy Hernandez <aldyh@redhat.com>
* configure.ac: Remove Linux futex support.
* configure.tgt (config_path): Same.
* Makefile.am: Same.
* config/linux: Remove entire directory.
* configure: Rebuild.
* Makefile.in: Rebuild.
* testsuite/Makefile.in: Rebuild.
2010-03-09 Aldy Hernandez <aldyh@redhat.com>
* retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
switching to serial mode.
* beginend.cc (trycommit_and_finalize): Unlock serial_lock.
2010-03-03 Aldy Hernandez <aldyh@redhat.com>
* configure.tgt: Add emacs -*- tags.
* barrier.tpl: Same.
2010-02-23 Aldy Hernandez <aldyh@redhat.com>
* Makefile.am: Rename serial.cc to method-serial.cc.
* Makefile.in: Regenerate with automake 1.11.1.
* testsuite/Makefile.in: Same.
* aclocal.m4: Regenerate with aclocal 1.11.1.
* method-serial.cc: Rename from serial.cc.
* libitm_i.h (struct gtm_transaction): Update comment on
serialirr_mode.
2010-02-22 Aldy Hernandez <aldyh@redhat.com>
* libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
* config/linux/rwlock.h (class gtm_rwlock): Add comments.
2010-02-11 Aldy Hernandez <aldyh@redhat.com>
* configure: Rebuild.
2009-11-12 Richard Henderson <rth@redhat.com>
* Rewrite everything in C++.
2009-11-03 Richard Henderson <rth@redhat.com>
* config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
* Makefile.am (libitm_la_SOURCES): Add them.
* configure.ac (ARCH_X86): New conditional.
* Makefile.in, configure: Rebuild.
* configure.tgt: Set up ARCH; do cflags setup at the same time.
Move futex setup into "other system configury" case.
* local.c (rollback_local): Merge into ...
(GTM_rollback_local): ... here.
(GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
(_ITM_LB): Define as an alias to GTM_LB.
2009-11-03 Richard Henderson <rth@redhat.com>
* method-readonly.c: New file.
* Makefile.am (libitm_la_SOURCES): Add it.
* Makefile.in: Rebuild.
* beginend.c (gtm_stmlock_array, gtm_clock): New.
(GTM_begin_transaction): Use dispatch_readonly for read-only txn.
* libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
(GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
gtm_stmlock_set_owned, gtm_stmlock_get_addr,
gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
gtm_get_clock, gtm_inc_clock): New.
* method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
replace uses with new libitm_i.h symbols.
(dispatch_wbetl): Rename from wbetl_dispatch.
* retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
away from dispatch_readonly; abort if the beginTransaction call
asserted that the transaction was readonly.
2009-11-03 Richard Henderson <rth@redhat.com>
* memset.c: New file.
* Makefile.am (libitm_la_SOURCES): Add it.
* Makefile.in: Rebuild.
* testsuite/libitm.c/memset-1.c: New.
2009-11-03 Richard Henderson <rth@redhat.com>
* dispatch.c: Remove file.
* useraction.c (struct gtm_user_action): Move from libitm.h.
* serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
(serial_memset, serial_memmove, serial_memcpy): Remove.
(serial_W*, serial_R*): Remove.
(serial_dispatch): Update to match.
* configure.ac: Move Werror down below configure checks. Don't
check for sys/loadavg.h, do check for malloc.h. Don't check for
getloadavg and clock_gettime; do check for memalign, posix_memalign.
Use GCC_AC_FUNC_MMAP_BLACKLIST
* libitm.h: Split out all internal items to...
* libitm_i.h: ... here. New file.
* copymask.c: New file.
* local.c (struct gtm_local_undo): Move from libitm.h.
(GTM_alloc_local): Rename from alloc_local; export.
* memcpy.c: New file.
* alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
* config/posix/page.c: New file.
* config/posix/target_tls.h: Remove file.
* barrier.c: New file.
* Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
copymask.c, page.c.
* alloc.c (struct gtm_alloc_action): Move from libitm.h.
* method-wbetl.c: Rewrite for new cacheline methods.
* Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
* config/alpha/sjlj.S: Fix typo.
* config/alpha/target_i.h: Copy functions from alpha/target.h.
* config/alpha/copymask.c: New file.
* config/alpha/target.h (CACHELINE_SIZE): New.
(STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
* config/x86/target_i.h: Copy functions from x86/target.h.
* config/x86/copymask.c: New file.
* config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
(CACHELINE_SIZE, STRICT_ALIGNMENT): New.
(PAGE_SIZE, FIXED_PAGE_SIZE): New.
* config/x86/target_tls.h: Move contents to target_i.h.
* testsuite/libitm.c/clone-1.c: Include libitm.h.
* testsuite/libitm.c/memcpy-1.c: New.
2009-10-22 Richard Henderson <rth@redhat.com>
* Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
(AM_CCASFLAGS): New.
* configure.ac: Add AM_PROG_AS. Use m4_rename_force for
saving/restoring _AC_ARG_VAR_PRECIOUS.
* Makefile.in, aclocal.m4, config.h.in, configure,
testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
2009-10-22 Richard Henderson <rth@redhat.com>
* testsuite/*: Update for new compiler syntax.
2009-10-21 Richard Henderson <rth@redhat.com>
* libitm.h (_ITM_abortReason): Add outerAbort.
2009-08-03 Richard Henderson <rth@redhat.com>
* libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
_ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
* method-wbetl.c (struct w_entry): Remove mask.
(wbetl_write, wbetl_load): Return pointer to word containing the data;
adjust all callers.
2009-07-22 Richard Henderson <rth@redhat.com>
* eh_cpp.c: New file.
* Makefile.am (libitm_la_SOURCES): Add it.
* Makefile.in: Rebuild.
* beginend.c (GTM_rollback_transaction): Undo exception state.
(GTM_trycommit_transaction): Mark inline.
(GTM_trycommit_and_finalize_transaction): Split out from ...
(_ITM_commitTransaction): ... here.
(_ITM_commitTransactionEH): New function.
* libitm.h (struct gtm_transaction): Add cxa_catch_count,
cxa_unthrown, eh_in_flight; reorder.
* testsuite/libitm.c++/c++.exp: New.
* testsuite/libitm.c++/eh-1.C: New.
* aatree.c (aa_free): Remove REGPARM.
* aatree.h: Remove all REGPARM.
2009-07-18 Richard Henderson <rth@redhat.com>
* aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
* Makefile.am (libitm_la_SOURCES): Add them.
* Makefile.in: Rebuild.
* beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
(GTM_trycommit_transaction): Likewise.
* libitm.h: Include aatree.h
(struct gtm_alloc_action): New.
(struct gtm_transaction): Add alloc_actions.
(GTM_record_allocation, GTM_forget_allocation): Declare.
(GTM_get_allocation_size, GTM_commit_allocations): Declare.
* libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
_ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
_ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
_ZGTtdaPvRKSt9nothrow_t): Export.
2009-07-18 Richard Henderson <rth@redhat.com>
* target_tls.h: Move ...
* config/posix/target_tls.h: ... here.
2009-07-07 Richard Henderson <rth@redhat.com>
* config/x86/target.h (atomic_write_barrier): Use sfence if available.
2009-07-07 Richard Henderson <rth@redhat.com>
* Update to GPL3.
2009-07-07 Richard Henderson <rth@redhat.com>
* libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
* beginend.c (global_tid): Widen to _ITM_transactionId_t.
* configure.tgt: Don't use -ftls-model for x86 linux.
* libitm.h: Include target.h after standard includes.
(_gtm_thr): Rename from gtm_thr.
(setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
(gtm_disp, set_gtm_disp): New.
* beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
retry.c, serial.c, useraction.c: Use accessor functions throughout.
* config/alpha/target_tls.h, config/x86/target_tls.h: New files.
2009-07-07 Richard Henderson <rth@redhat.com>
* config/linux/rwlock.c (EZ): New define. Use it throughout.
2009-07-06 Richard Henderson <rth@redhat.com>
* libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
(_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
(_ITM_beginTransaction): Take variadic arguments.
(_ITM_registerThrownObject): Declare.
* beginend.c, serial.c: Update.
* libitm.map: Add _ITM_registerThrownObject.
2009-01-28 Richard Henderson <rth@redhat.com>
* Makefile.am (libitm_la_SOURCES): Add clone.c.
* Makefile.in: Rebuild.
* beginend.c (_ITM_abortTransaction): Abort if irrevokable.
(GTM_restart_transaction): Fix uninstrumented code check.
* retry.c (GTM_decide_retry_strategy): Add serial check.
* serial.c (GTM_serialmode): Add irrevokable variable. Don't
automatically go irrevokable when in serial mode.
* clone.c: New file.
* libitm.h, libitm.map: Update.
2009-01-27 Richard Henderson <rth@redhat.com>
* Makefile.am (LTCCASCOMPILE): Define.
(libitm_la_SOURCES): Add methid-wbetl.c.
* testsuite/Makefile.am: New
* configure.ac: Add testsuite/Makefile.
* Makefile.in, testsuite/Makefile.in, configure: Regenerate.
* beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
(_ITM_abortTransaction): Finalize implementation method; pass
transaction properties to longjmp.
(GTM_restart_transaction): Split out from ...
(_ITM_commitTransaction): ... here.
* config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
Move to config/x86/target.h.
* config/linux/alpha/futex_bits.h: New.
* config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
* config/x86/target.h: Disable target types for 32-bit.
* config/alpha/sjlj.S, config/alpha/target.h: New.
* libitm.h (struct gtm_dispatch): Add init, fini.
(enum restart_reason): New.
(struct gtm_transaction): Add method and restarts.
* retry.c (GTM_decide_retry_strategy): Implement.
* serial.c (serial_init, serial_fini): New.
(GTM_serialmode): Finialize outgoing method.
* method-wbetl.c: New.
2008-12-09 Richard Henderson <rth@redhat.com>
* config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
* configure.tgt (i386-*, x86_64-*): Don't force SSE.
* dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
* libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
(_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
(_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
* local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
* serial.c (serial_R##T, serial_W##T): Likewise.
2008-11-21 Richard Henderson <rth@redhat.com>
* Initial commit.
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