operation atomic.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@109110 138bc75d-0d04-0410-961f-82ee72b054a4

	* sysdep/ia64-frame.h: Removed.
	* sysdep/ia64.c: Removed.
	* sysdep/dwarf2-backtrace.cc: Removed.
	* configure.ac: Remove references to HAVE_BACKTRACE and
	SUPPLY_BACKTRACE.
	* Makefile.am: Remove SUPPLY_BACKTRACE support.
	* configure: Rebuilt.
	* Makefile.in: Rebuilt.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@107486 138bc75d-0d04-0410-961f-82ee72b054a4

	__LP64__ is defined rather than __powerpc64__.
	(compare_and_swap): 'ret' is an obj_addr_t not just an int.
	(compare_and_swap_release): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@104746 138bc75d-0d04-0410-961f-82ee72b054a4

	* sysdep/pa/descriptor.h: New file.
	* configure.host: Use sysdep/pa/descriptor.h on hppa*-*.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@103306 138bc75d-0d04-0410-961f-82ee72b054a4

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@101453 138bc75d-0d04-0410-961f-82ee72b054a4

        * sysdep/descriptor-n.h: New file.
        * sysdep/descriptor-y.h: New file.
        * sysdep/powerpc/descriptor.h: New file.
        * configure.host: Set $descriptor_h appropriate for the host.
        * configure.ac: Link it.
        * configure: Regenerate.
        * stacktrace.cc: Include sysdep/descriptor.h.
        (_Jv_StackTrace::UpdateNCodeMap): Use UNWRAP_FUNCTION_DESCRIPTOR.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@100173 138bc75d-0d04-0410-961f-82ee72b054a4

	New Stack Trace infrastructure.
	* Makefile.am (libgcj0_convenience_la_SOURCES): Add stacktrace.cc.
	(gnu/gcj/runtime/StackTrace.lo): Removed.
	(ordinary_java_source_files): Remove obsolete files.
	(nat_source_files): Remove obsolete files. Add natVMThrowable.cc.
	* configure.host (fallback_backtrace_h): Set backtrace header
	for mingw and cygwin targets.
	* configure.ac: Make symlink for fallback backtrace headers.
	* Makefile.in, configure: Rebuilt.
	* defineclass.cc (_Jv_ClassReader::read_one_code_attribute):
	Read 'LineNumberTable' attribute.
	(_Jv_ClassReader::read_one_class_attribute): Read 'SourceFile'
	attribute.
	(_Jv_ClassReader::handleCodeAttribute): Initialize method line
	table fields.
	* exception.cc: Remove unused include.
	* interpret.cc (DIRECT_THREADED, insn_slot): Moved to java-interp.h.
	(SAVE_PC): New macro. Save current PC in the interpreter frame.
	(NULLCHECK, NULLARRAYCHECK): Use SAVE_PC.
	(_Jv_InterpMethod::compile): Translate bytecode PC values in the line
	table to direct threaded instruction values.
	(_Jv_StartOfInterpreter, _Jv_EndOfInterpreter): Removed.
	(_Jv_InterpMethod::run): No longer member function. All
	callers updated. Remove _Unwind calls. Call SAVE_PC whenever a call
	is made or where an instruction could throw.
	(_Jv_InterpMethod::get_source_line): New. Look up source line numbers
	in line_table.
	* prims.cc (catch_segv): Construct exception after MAKE_THROW_FRAME.
	(catch_fpe): Likewise.
	* stacktrace.cc: New file. Stack trace code now here.
	* gnu/gcj/runtime/MethodRef.java:
	* gnu/gcj/runtime/NameFinder.java: Mostly reimplemented. Now simply
	calls addr2line to look up PC addresses in a given binary or shared
	library.
	* gnu/gcj/runtime/StackTrace.java, gnu/gcj/runtime/natNameFinder.cc,
	gnu/gcj/runtime/natStackTrace.cc: Removed.
	* gnu/java/lang/MainThread.java (call_main): Add comment warning that
	this function name is specially recognised by the stack trace code
	and shouldn't be changed.
	* include/java-interp.h (DIRECT_THREADED, insn_slot): Moved here.
	(struct  _Jv_LineTableEntry, line_table, line_table_len): New.
	(_Jv_InterpMethod::run): Update declaration.
	(_Jv_StackTrace_): New friend. NameFinder and StackTrace no longer
	friends.
	(_Jv_InterpFrame): Renamed from _Jv_MethodChain. Add PC field.
	* include/java-stack.h: New file. Declarations for stack tracing.
	* include/jvm.h (_Jv_Frame_info): Removed.
	* java/lang/Class.h: Update friend declarations.
	* java/lang/VMClassLoader.java (getSystemClassLoader): Simplify
	exception message.
	* java/lang/VMThrowable.java (fillInStackTrace): Now native.
	(getStackTrace): Now native.
	(data): New RawDataManaged field.
	* java/lang/natClass.cc: Update includes.
	(forName): Use _Jv_StackTrace::GetCallingClass for
	calling-classloader check.
	(getClassLoader): Likewise.
	* java/lang/natRuntime.cc: Update includes.
	(_load): Use _Jv_StackTrace::GetFirstNonSystemClassLoader.
	* java/lang/natVMSecurityManager.cc: Update includes.
	(getClassContext): Use _Jv_StackTrace::GetClassContext.
	* java/lang/natVMThrowable.cc: New file. Native methods for
	VMThrowable.
	* java/lang/reflect/natArray.cc: Update includes.
	(newInstance): Use _Jv_StackTrace::GetCallingClass to implement
	accessibility check.
	* java/lang/reflect/natConstructor.cc: Update includes.
	(newInstance): Use _Jv_StackTrace::GetCallingClass to implement
	accessibility check.
	* java/lang/reflect/natField.cc: Update includes.
	(getAddr): Use _Jv_StackTrace::GetCallingClass to implement
	accessibility check.
	* java/lang/reflect/natMethod.cc: Update includes.
	(invoke): Use _Jv_StackTrace::GetCallingClass to implement
	accessibility check.
	* java/util/natResourceBundle.cc: Update includes.
	(getCallingClassLoader): Use _Jv_StackTrace::GetCallingClass.
	* java/util/logging/natLogger.cc: Update includes. Use
	_Jv_StackTrace::GetCallerInfo to get call-site info.
	* sysdep/generic/backtrace.h: Fallback backtrace code. Stub
	implementation.
	* sysdep/i386/backtrace.h: New. Fallback backtrace code. i386
	implementation.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@96253 138bc75d-0d04-0410-961f-82ee72b054a4

	* configure.host: Enable hash synchronization on Darwin.
	* sysdep/powerpc/locks.h (compare_and_swap): Use '\n' instead of
	';', since this is a comment on Darwin.
	(compare_and_swap_release): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@84214 138bc75d-0d04-0410-961f-82ee72b054a4

        * configure.in: Build java for hppa target.
        * configure: Regenerate.
        * libjava/configure.host (hppa-*): Add target.
        * libjava/sysdeps/pa/lock.h: New file.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@79703 138bc75d-0d04-0410-961f-82ee72b054a4

	* sysdep/x86-64/locks.h: Don't use in/out memory constraints.
	* sysdep/i386/locks.h: Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@75982 138bc75d-0d04-0410-961f-82ee72b054a4

	* sysdep/sparc/locks.h (__cas_start_atomic): %g0 --> %%g0.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@73006 138bc75d-0d04-0410-961f-82ee72b054a4

	* include/mips-signal.h: New file.
	* sysdep/dwarf2-backtrace.cc: New file.
	* sysdep/mips: New directory.
	* sysdep/mips/locks.h: New file.
	* Makefile.am(extra_cc_files): New, to allow extra c++ files to be
	added to libgcj.
	(extra_cc_source_files): Ditto.
	* configure.host(disable_dladdr):  New shell variable passed to
	configure.
	(mips*-*-linux*): sysdeps_dir=mips,
	can_unwind_signal=yes, disable_dladdr=yes, use -mxgot.
	(mipsel*-linux* | mipsisa32el*-linux*): Enable hash synchronization.
	* configure.in:(mips*-*-linux*): Use sysdep/dwarf2-backtrace.cc to
	generate backtrace, and include/mips-signal.h as SIGNAL_HANDLER
	(HAVE_DLADDR): Make it depend on setting of disable_dladdr.
	(EXTRA_CC_FILES): New, to support conditional addition of
	sysdep/dwarf2-backtrace.cc.
	* configure: Regenerated.
	* Makefile.in: Regenerated.
	* gcj/Makefile.in: Regenerated.
	* include/config.h.in: Regenerated.
	* include/Makefile.in: Regenerated.
	* testsuite/Makefile.in: Regenerated.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@72808 138bc75d-0d04-0410-961f-82ee72b054a4

        (compare_and_swap): Use __sync_bool_compare_and_swap.
        (compare_and_swap_release): Expose ar.ccv assignment.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@64737 138bc75d-0d04-0410-961f-82ee72b054a4

	Enable hash synchronization.  Add sysdeps dir.
	* sysdep/s390/locks.h: New file.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@57927 138bc75d-0d04-0410-961f-82ee72b054a4

	* sysdep/x86-64/locks.h (compare_and_swap): Fix multilib support.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@57682 138bc75d-0d04-0410-961f-82ee72b054a4

        * sysdep/sh/locks.h: New file.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@55922 138bc75d-0d04-0410-961f-82ee72b054a4

	(_LARX): Define.
	(_STCX): Define.
	(compare_and_swap): Use _LARX and _STCX.
	(compare_and_swap_release): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@55855 138bc75d-0d04-0410-961f-82ee72b054a4

        * java/lang/ieeefp.h: Add x86-64 support.
        * configure.in: Likewise.
        * configure.host: Likewise.
        * configure: Regenerated.
        * sysdep/x86-64/locks.h: New file with x86-64 locks.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@55588 138bc75d-0d04-0410-961f-82ee72b054a4

	* include/dwarf2-signal.h (SIGNAL_HANDLER): Name siginfo_t pointer
	arg.
	(MAKE_THROW_FRAME): Define for 32-bit and 64-bit sparc.
	(INIT_SEGV, INIT_FPE): Use direct __libc_sigaction installation
	on Sparc too.
	* include/sparc-signal.h (FLUSH_REGISTER_WINDOWS): Define properly
	for 64-bit sparc.
	(MAKE_THROW_FRAME): Use long for sp/retaddr so 64-bit works.
	* sysdeps/sparc/locks.h: New file.
	* configure.in (SIGNAL_HANDLER): Set to include/sparc-signal.h
	on all sparc Solaris configurations.  Set to
	include/dwarf2-signal.h on sparc Linux.
	* configure: Regenerate
	* configure.host (can_unwind_signal): sparc*-linux* can do it now.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@52575 138bc75d-0d04-0410-961f-82ee72b054a4

	not release_set.
	* sysdep/powerpc/locks.h (write_barrier): New function.
	* sysdep/i386/locks.h (write_barrier): New function.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@51101 138bc75d-0d04-0410-961f-82ee72b054a4

	* configure.in: Define SLOW_PTHREAD_SELF if configure.host set
	slow_pthread_self. Set up symlink for sysdeps directory.
	* configure.host: Document more shell variables. Set sysdeps_dir
	for most platforms. Set slow_pthread_self for i686. Set
	enable_hash_synchronization_default and slow_pthread_self for PowerPC.
	* posix-threads.cc (_Jv_ThreadSelf_out_of_line): Use release_set so
	that memory barrier is emitted where required.
	* include/posix-threads.h (_Jv_ThreadSelf for SLOW_PTHREAD_SELF): Add
	read_barrier() to enforce ordering of reads.
	* sysdep/powerpc/locks.h: New file. Implementation of synchronization
	primitives for PowerPC.
	* sysdep/i386/locks.h: New file. Synchronization primitives for i386
	moved from natObject.cc.
	* sysdep/alpha/locks.h: Likewise.
	* sysdep/ia64/locks.h: Likewise.
	* sysdep/generic/locks.h: Likewise.
	* java/lang/natObject.cc: Move thread synchronization primitives to
	system-dependent headers.

gcc/java:
	* decl.c (java_init_decl_processing): Make sure class_type_node
	alignment is not less than 64 bits if hash synchronization is enabled.

boehm-gc:
	* include/gc_priv.h: Define ALIGN_DOUBLE on 32 bit targets if GCJ
	support is enabled, for hash synchronization.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@50518 138bc75d-0d04-0410-961f-82ee72b054a4

* Imported beans and serialization
* Updated IA-64 port
* Miscellaneous bug fixes


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@34028 138bc75d-0d04-0410-961f-82ee72b054a4