Commit Graph

85 Commits

Author SHA1 Message Date
Andrew Haley
f0580031a7 re PR libgcj/8995 (race cases in interpreter)
2008-09-17  Andrew Haley  <aph@redhat.com>

        PR libgcj/8995:

        * defineclass.cc (_Jv_ClassReader::handleCodeAttribute):
        Initialize thread_count.
        * include/java-interp.h (_Jv_InterpMethod::thread_count): New
        field.
         (_Jv_InterpMethod::rewrite_insn_mutex): New mutex.
        (_Jv_InterpFrame:: _Jv_InterpFrame): Pass frame_type.
        * interpret.cc
        (ThreadCountAdjuster): New class.
        (_Jv_InterpMethod::thread_count): New field.
        (_Jv_InitInterpreter): Initialize rewrite_insn_mutex.
        Increment and decrement thread_count field in methods.
        * interpret-run.cc (REWRITE_INSN): Check thread_count <= 1.
        (REWRITE_INSN): Likewise.
        Declare a ThreadCountAdjuster.
        * java/lang/reflect/natVMProxy.cc (run_proxy): Initialize frame
        type as frame_proxy.

From-SVN: r140593
2008-09-23 13:51:58 +00:00
David Daney
4c42b3d84f ffi.h.in (FFI_SIZEOF_JAVA_RAW): Define if not already defined.
2007-12-06  David Daney  <ddaney@avtrex.com>

	* include/ffi.h.in (FFI_SIZEOF_JAVA_RAW): Define if not	already
	defined.
	(ffi_java_raw): New typedef.
	(ffi_java_raw_call, ffi_java_ptrarray_to_raw,
	ffi_java_raw_to_ptrarray): Change parameter types from ffi_raw to
	ffi_java_raw.
	(ffi_java_raw_closure) : Same.
	(ffi_prep_java_raw_closure, ffi_prep_java_raw_closure_loc): Change
	parameter types.
	* src/java_raw_api.c (ffi_java_raw_size):  Replace FFI_SIZEOF_ARG with
	FFI_SIZEOF_JAVA_RAW.
	(ffi_java_raw_to_ptrarray): Change type of raw to ffi_java_raw.
	Replace FFI_SIZEOF_ARG with FFI_SIZEOF_JAVA_RAW. Use
	sizeof(ffi_java_raw) for alignment calculations.
	(ffi_java_ptrarray_to_raw): Same.
	(ffi_java_rvalue_to_raw): Add special handling for FFI_TYPE_POINTER
        if FFI_SIZEOF_JAVA_RAW == 4.
	(ffi_java_raw_to_rvalue): Same.
	(ffi_java_raw_call): Change type of raw to ffi_java_raw.
	(ffi_java_translate_args): Same.
	(ffi_prep_java_raw_closure_loc, ffi_prep_java_raw_closure): Change
	parameter types.
	* src/mips/ffitarget.h (FFI_SIZEOF_JAVA_RAW): Define for N32 ABI.

2007-12-06  David Daney  <ddaney@avtrex.com>

	* interpret.cc: Replace ffi_raw with INTERP_FFI_RAW_TYPE throughout.
	(ncode_closure, ffi_closure_fun): Define versions for
	non-FFI_NATIVE_RAW_API case.
	* include/java-interp.h (INTERP_FFI_RAW_TYPE): Define and use to
	replace	ffi_raw throughout.
	* jni.cc, interpret-run.cc: Replace ffi_raw with INTERP_FFI_RAW_TYPE
	throughout.

From-SVN: r130660
2007-12-06 22:02:22 +00:00
David Daney
86acf60c5b configure.ac (INTERPRETER): New AM_CONDITIONAL.
* configure.ac (INTERPRETER): New AM_CONDITIONAL.
	* scripts/makemake.tcl (package_map): Mark jdwp and jvmti packages
	as being for interpreter only.  Place interpreter related files in
	'if INTERPRETER' block.
	(interpreter_package_files): New list.
	(interpreter_header_vars): Ditto.
	(emit_package_rule_to_list): Renamed from emit_package_rule with
	new target list parameter.
	(emit_package_rule): Rewritten to call emit_package_rule_to_list.
	(emit_interpreter_rule): New function.
	(emit_source_var): Place interpreter related files in
	interpreter_header_vars.
	* Makefile.am (ACLOCAL_AMFLAGS): Add -I libltdl.
	(libgcj_interpret_source_files): New variable.
	(libgcj_la_SOURCES): Move jvmti.cc and  interpret.cc to
	libgcj_interpret_source_files and include
	libgcj_interpret_source_files.
	(nat_jdwp_source_files): New variable.
	(nat_jvmti_source_files): Ditto.
	(nat_source_files): Move jdwp and jvmti related files to
	nat_jdwp_source_files and nat_jvmti_source_files and include
	nat_jdwp_source_files and nat_jvmti_source_files.
	* Makefile.in: Regenerate.
	* include/Makefile.in: Ditto.
	* testsuite/Makefile.in: Ditto.
	* gcj/Makefile.in: Ditto.
	* sources.am: Ditto.
	* configure: Ditto.
	* include/config.h.in: Ditto.
	* interpret.cc: Remove #ifdef INTERPRETER block.
	* stacktrace.cc (UnwindTraceFn): Do not handle proxy frames if
	interpreter disabled.
	* include/java-interp.h (_Jv_FrameType): Move outside of
	#ifdef INTERPRETER block.
	* include/execution.h (_Jv_IndirectCompiledEngine::do_get_closure_list,
	_Jv_InterpreterEngine, _Jv_soleInterpreterEngine): Place in
	#ifdef INTERPRETER block.
	* jni.cc (jvmti.h, jvmti-int.h):  Only include if INTERPRETER is
	defined.
	(_Jv_JNI_PopSystemFrame, _Jv_JNI_GetEnv): Only do jvmti processing
	if INTERPRETER is defined.
	* prims.cc (jvmti.h, jvmti-int.h, Jdwp.h, VMVirtualMachine.h):  Only
	include if INTERPRETER is defined.
	(defaultJdwpOptions, jdwpOptions, jvmti_agent_onload_func,
	jvmti_agent_onunload_func, jvmti_agentonload, jvmti_agentonunload,
	jvmti_agent_opts, load_jvmti_agent): Only define if INTERPRETER is
	defined.
	(parse_x_arg): Only process 'runjdwp:' if INTERPRETER is defined.
	(parse_init_args): Only process jvmti related options if
	INTERPRETER is defined.
	(_Jv_CreateJavaVM): Only call _Jv_JVMTI_Init if INTERPRETER is
	defined.
	(_Jv_RunMain): Only do jvmti and jdwp processing if INTERPRETER is
	defined.
	* link.cc (jvmti.h, jvmti-int.h):  Only include if INTERPRETER is
	defined.
	(_Jv_ThrowNoClassDefFoundError, _Jv_Linker::create_error_method):
	Define if if INTERPRETER is not defined.
	(_Jv_Linker::wait_for_state): Only do jvmti proccessing if
	INTERPRETER is defined.
	* boehm.cc (closure_list_pointer, finalize_closure_list,
	_Jv_ClosureListFinalizer): Only define if INTERPRETER is
	defined.
	* java/lang/natThread.cc (jvmti.h, jvmti-int.h):  Only include if
	INTERPRETER is defined.
	(finish_, _Jv_NotifyThreadStart): Only do jvmti proccessing if
	INTERPRETER is defined.
	* java/lang/Class.h (_Jv_InterpreterEngine): Move declaration
	and friend declaration inside #ifdef INTERPRETER block.
	* java/lang/natClass.cc (_Jv_ClosureList::releaseClosures,
	_Jv_ClosureList::registerClosure, _Jv_GetInterpClassSourceFile):
	Only define if INTERPRETER is defined.
	* java/lang/reflect/natVMProxy.cc (UnsupportedOperationException.h):
	Include.
	(generateProxyClass): Throw UnsupportedOperationException unless
	INTERPRETER is defined.

From-SVN: r127097
2007-07-31 16:17:21 +00:00
Keith Seitz
4da8e29dfc interpret.cc (get_local_var_table): Make sure the method is compiled.
* interpret.cc (get_local_var_table) [DIRECT_THREADED]: Make sure the
        method is compiled.
        * testsuite/libjava.jvmti/interp/getlocalvartable.out: Revise
        for compiled methods.

From-SVN: r126556
2007-07-11 17:37:24 +00:00
Keith Seitz
7dace0ca51 java-interp.h (_Jv_LocalVarTableEntry): Add union for bytecode_pc and direct-threaded pc.
* include/java-interp.h (_Jv_LocalVarTableEntry): Add union
        for bytecode_pc and direct-threaded pc.
        Add field descriptions inline.
        * defineclass.cc (read_one_code_attribute): Change from
        bytecode_start_pc to bytecode_pc.
        Remove unused variable "len".
        * interpret.cc (compile): Remap the variable table, too.
        (get_local_var_table) [DIRECT_THREADED]: Use insn_index on the
        start location to map from pc_t to code index.

From-SVN: r125734
2007-06-15 03:53:52 +00:00
Keith Seitz
8faab1f43b java-interp.h (breakpoint_at): Declare.
* include/java-interp.h (breakpoint_at): Declare.
        * interpret.cc (breakpoint_at): New function.
        * gnu/classpath/jdwp/VMVirtualMachine.java (_event_list):
        New member.
        * gnu/classpath/jdwp/natVMVirtualMachine.cc (initialize):
        Initialize _event_list.
        (handle_single_step): If there is a breakpoint at the
        location at which we are stopping, do not send the notification.
        Instead add the event to a list of events that occur at this
        location.
        (jdwpBreakpointCB): If the event list is not empty, send
        whatever events are in it and the breakpoint event in a single
        notification.
        Mark parameter jni_env as MAYBE_UNUSED.
        * classpath/lib/gnu/classpath/jdwp/VMVirtualMachine.class:
        Regenerated.
        * gnu/classpath/jdwp/VMVirtualMachine.h: Regenerated.

From-SVN: r124777
2007-05-16 20:12:33 +00:00
Keith Seitz
98265f29a6 interpret.cc (STOREA): Rewrite using temporary variable to avoid double-macro expansion side-effects.
* interpret.cc (STOREA): Rewrite using temporary variable to
        avoid double-macro expansion side-effects.
        (STOREI): Likewise.
        (STOREF): Likewise.
        (STOREL)[SIZEOF_VOID_P == 8]: Likewise.
        (STORED)[SIZEOF_VOID_P == 8]: Likewise.
        (STOREL)[SIZEOF_VOID_P != 8]: Likewise.
        (STORED)[SIZEOF_VOID_P != 8]: Likewise.
        (POKEI): Likewise.

From-SVN: r124746
2007-05-15 21:35:28 +00:00
Keith Seitz
136bed8f1a interpret.cc: Don't include ExceptionEvent.h.
* interpret.cc: Don't include ExceptionEvent.h.
        * gnu/gcj/jvmti/natExceptionEvent.cc: Remove.
        * Makefile.am (nat_source_files): Remove natExceptionEvent.cc.
        * Makefile.in: Regenerated.

From-SVN: r124407
2007-05-04 02:08:07 +00:00
Keith Seitz
befd756626 jvmti-int.h (_Jv_ReportJVMTIExceptionThrow): Declare.
* include/jvmti-int.h (_Jv_ReportJVMTIExceptionThrow):
        Declare.
        * interpret.cc (_Jv_ReportJVMTIExceptionThrow): New function.
        (find_catch_location): New function.
        (REPORT_EXCEPTION): New macro.
        (throw_internal_error): Use REPORT_EXCEPTION.
        (throw_incompatible_class_change_error): Likewise.
        (throw_null_pointer_exception): Likewise.
        (throw_class_format_error): Likewise.
        * interpret-run.cc (INTERP_REPORT_EXCEPTION)[DEBUG]: Set
        to REPORT_EXCEPTION.
        (INTERP_REPORT_EXCEPTION)[!DEBUG]: Make nop.
        (insn_new): Use INTERP_REPORT_EXCEPTION.
        (insn_athrow): Likewise.
        Remove previous JVMTI exception notifications.
        Add JVMTI ExceptionCatch notificatin.
        * jni.cc (_Jv_PopSystemFrame): Notify JVMTI clients of
        exception throw.
        * gnu/gcj/jvmti/ExceptionEvent.java: Removed.
        * gnu/gcj/jvmti/ExceptionEvent.h: Removed.
        * classpath/lib/gnu/gcj/jvmti/ExceptionEvent.class: Removed.
        * gnu/classpath/jdwp/natVMVirtualMachine.cc
        (jdwpExceptionCB): New function.
        (jdwpVMInitCB): Set Exception event handler and enable.
        * sources.am: Regenerated.
        * Makefile.in: Regenerated.

From-SVN: r124406
2007-05-04 01:04:11 +00:00
Alexandre Oliva
18fa3240db ffi.h.in (ffi_closure_alloc, [...]): New.
libffi/ChangeLog:
* include/ffi.h.in (ffi_closure_alloc, ffi_closure_free): New.
(ffi_prep_closure_loc): New.
(ffi_prep_raw_closure_loc): New.
(ffi_prep_java_raw_closure_loc): New.
* src/closures.c: New file.
* src/dlmalloc.c [FFI_MMAP_EXEC_WRIT] (struct malloc_segment):
Replace sflags with exec_offset.
[FFI_MMAP_EXEC_WRIT] (mmap_exec_offset, add_segment_exec_offset,
sub_segment_exec_offset): New macros.
(get_segment_flags, set_segment_flags, check_segment_merge): New
macros.
(is_mmapped_segment, is_extern_segment): Use get_segment_flags.
(add_segment, sys_alloc, create_mspace, create_mspace_with_base,
destroy_mspace): Use new macros.
(sys_alloc): Silence warning.
* Makefile.am (libffi_la_SOURCES): Add src/closures.c.
* Makefile.in: Rebuilt.
* src/prep_cif [FFI_CLOSURES] (ffi_prep_closure): Implement in
terms of ffi_prep_closure_loc.
* src/raw_api.c (ffi_prep_raw_closure_loc): Renamed and adjusted
from...
(ffi_prep_raw_closure): ... this.  Re-implement in terms of the
renamed version.
* src/java_raw_api (ffi_prep_java_raw_closure_loc): Renamed and
adjusted from...
(ffi_prep_java_raw_closure): ... this.  Re-implement in terms of
the renamed version.
* src/alpha/ffi.c (ffi_prep_closure_loc): Renamed from
(ffi_prep_closure): ... this.
* src/pa/ffi.c: Likewise.
* src/cris/ffi.c: Likewise.  Adjust.
* src/frv/ffi.c: Likewise.
* src/ia64/ffi.c: Likewise.
* src/mips/ffi.c: Likewise.
* src/powerpc/ffi_darwin.c: Likewise.
* src/s390/ffi.c: Likewise.
* src/sh/ffi.c: Likewise.
* src/sh64/ffi.c: Likewise.
* src/sparc/ffi.c: Likewise.
* src/x86/ffi64.c: Likewise.
* src/x86/ffi.c: Likewise.
(FFI_INIT_TRAMPOLINE): Adjust.
(ffi_prep_raw_closure_loc): Renamed and adjusted from...
(ffi_prep_raw_closure): ... this.
* src/powerpc/ffi.c (ffi_prep_closure_loc): Renamed from
(ffi_prep_closure): ... this.
(flush_icache): Adjust.
boehm-gc/ChangeLog:
* include/gc.h (GC_REGISTER_FINALIZER_UNREACHABLE): New.
(GC_register_finalizer_unreachable): Declare.
(GC_debug_register_finalizer_unreachable): Declare.
* finalize.c (GC_unreachable_finalize_mark_proc): New.
(GC_register_finalizer_unreachable): New.
(GC_finalize): Handle it.
* dbg_mlc.c (GC_debug_register_finalizer_unreachable): New.
(GC_debug_register_finalizer_no_order): Fix whitespace.
libjava/ChangeLog:
* include/jvm.h (_Jv_ClosureListFinalizer): New.
(_Jv_Linker::create_error_method): Adjust.
* boehm.cc (_Jv_ClosureListFinalizer): New.
* nogc.cc (_Jv_ClosureListFinalizer): New.
* java/lang/Class.h (class _Jv_ClosureList): New.
(class java::lang::Class): Declare it as friend.
* java/lang/natClass.cc (_Jv_ClosureList::releaseClosures): New.
(_Jv_ClosureList::registerClousure): New.
* include/execution.h (_Jv_ExecutionEngine): Add get_closure_list.
(_Jv_CompiledEngine::do_get_closure_list): New.
(_Jv_CompiledEngine::_Jv_CompiledEngine): Use it.
(_Jv_IndirectCompiledClass): Add closures.
(_Jv_IndirectCompiledEngine::get_aux_info): New.
(_Jv_IndirectCompiledEngine::do_allocate_field_initializers): Use
it.
(_Jv_IndirectCompiledEngine::do_get_closure_list): New.
(_Jv_IndirectCompiledEngine::_Jv_IndirectCompiledEngine): Use it.
(_Jv_InterpreterEngine::do_get_closure_list): Declare.
(_Jv_InterpreterEngine::_Jv_InterpreterEngine): Use it.
* interpret.cc (FFI_PREP_RAW_CLOSURE): Use _loc variants.
(node_closure): Add closure list.
(_Jv_InterpMethod::ncode): Add jclass argument.  Use
ffi_closure_alloc and the separate code pointer.  Register the
closure for finalization.
(_Jv_JNIMethod::ncode): Likewise.
(_Jv_InterpreterEngine::do_create_ncode): Pass klass to ncode.
(_Jv_InterpreterEngine::do_get_closure_list): New.
* include/java-interp.h (_Jv_InterpMethod::ncode): Adjust.
(_Jv_InterpClass): Add closures field.
(_Jv_JNIMethod::ncode): Adjust.
* defineclass.cc (_Jv_ClassReader::handleCodeAttribute): Adjust.
(_Jv_ClassReader::handleMethodsEnd): Likewise.
* link.cc (struct method_closure): Add closure list.
(_Jv_Linker::create_error_method): Add jclass argument.  Use
ffi_closure_alloc and the separate code pointer.  Register the
closure for finalization.
(_Jv_Linker::link_symbol_table): Remove outdated comment about
sharing of otable and atable.  Adjust.
* java/lang/reflect/natVMProxy.cc (ncode_closure): Add closure
list.
(ncode): Add jclass argument.  Use ffi_closure_alloc and the
separate code pointer.  Register the closure for finalization.
(java::lang::reflect::VMProxy::generateProxyClass): Adjust.
* testsuite/libjava.jar/TestClosureGC.java: New.
* testsuite/libjava.jar/TestClosureGC.out: New.
* testsuite/libjava.jar/TestClosureGC.xfail: New.
* testsuite/libjava.jar/TestClosureGC.jar: New.

From-SVN: r122652
2007-03-07 07:27:25 +00:00
Kyle Galloway
ce359ed916 interpret.cc: Add extra DEBUG_LOCALS_INSN calls for multi-slot variables to maintain type info.
2007-02-16  Kyle Galloway  <kgallowa@redhat.com>

	* interpret.cc: Add extra DEBUG_LOCALS_INSN calls for multi-slot
	variables to maintain type info.
	* interpret-run.cc: Add local variable info to frame in the debug
	interpreter.
	* jvmti.cc (getLocalFrame): New method.
	(_Jv_JVMTI_GetLocalObject): New method.
	(_Jv_JVMTI_GetLocallInt): New method.
	(_Jv_JVMTI_GetLocalFloat): New method.
	(_Jv_JVMTI_GetLocalLong): New method.
	(_Jv_JVMTI_GetLocalDouble): New method.
	(_Jv_JVMTI_SetLocalObject): New method.
	(_Jv_JVMTI_SetLocalInt): New method.
	(_Jv_JVMTI_SetLocalFloat): New method.
	(_Jv_JVMTI_SetLocalLong): New method.
	(_Jv_JVMTI_SetLocalDouble): New method.

From-SVN: r122048
2007-02-16 18:32:07 +00:00
Kyle Galloway
7a1bf87c6e interpret.cc (_Jv_InterpMethod::check_handler): New method.
2007-02-15  Kyle Galloway  <kgallowa@redhat.com>
	
	* interpret.cc (_Jv_InterpMethod::check_handler): New method.
    * interpret-run.cc: Change the catch section to report exception
    events and to use the new check_handler method.
    * include/java-interp.h (_Jv_InterpMethod): Add check_handler.
    * gnu/gcj/jvmti/ExceptionEvent.java: New file.
    * gnu/gcj/jvmti/ExceptionEvent.h: New file.
    * gnu/gcj/jvmti/natExceptionEvent.cc: New file.
    * libjava/classpath/lib/gnu/gcj/jvmti/ExceptionEvent.class: New
    file.
    * sources.am: Added ExceptionEvent.java.
    * Makefile.am: Added natExceptionEvent.cc
    * Makefile.in: Regenerated.
    * include/Makefile.in: Regenerated.
    * gcj/Makefile.in: Regenerated.

From-SVN: r122019
2007-02-16 00:05:39 +00:00
Kyle Galloway
fe60528edc defineclass.cc (_Jv_ClassReader::read_one_code_attribute): Added LocalVariableTable attribute handling.
2007-02-15  Kyle Galloway  <kgallowa@redhat.com>

	* defineclass.cc (_Jv_ClassReader::read_one_code_attribute):
    Added LocalVariableTable attribute handling.
    (_Jv_ClassReader::pool_Utf8_to_char_arr): New method.
    * jvmti.cc (_Jv_JVMTI_GetLocalVariableTable): New method.
    * include/java-interp.h: Added local_var_table and
    local_var_table_len fields to _Jv_InterpMethod.
    (_Jv_InterpMethod::get_local_var_table): New method.
    * testsuite/libjava.jvmti/interp/getlocalvartable.java: New
    test.
    * testsuite/libjava.jvmti/interp/getlocalvartable.jar: New test.
    * testsuite/libjava.jvmti/interp/getlocalvartable.out: Output
    for new test.
    * testsuite/libjava.jvmti/interp/getlocalvartable.h: New test.
    * testsuite/libjava.jvmti/interp/natgetlocalvartable.cc: New
    test.

From-SVN: r121999
2007-02-15 15:08:27 +00:00
Keith Seitz
c6923d93eb jvmti-int.h (JVMTI): Declare member "enabled".
* include/jvmti-int.h (JVMTI): Declare member "enabled".
        * jvmti.cc (JVMTI): Add member "enabled".
        (_Jv_GetJVMTIEnv): Mark JVMTI enabled.
        * interpret.cc (_Jv_InterpMethod::ncode): Use JVMTI::enabled
        instead of gnu::classpath::jdwp::Jdwp::isDebugging.
        (_Jv_CompileMethod): If JVMTI is enabled, use run_debug
        instead of run to compile the method.

        * interpret-run.cc [DEBUG] (NEXT_INSN): Add JVMTI single step
        notification.

From-SVN: r121442
2007-01-31 23:25:39 +00:00
Tom Tromey
d75bf84344 interpret.cc (run_debug): Remove comment.
* interpret.cc (run_debug): Remove comment.
	(STOREA): Reformat.
	(STOREI): Likewise.
	(STOREF): Likewise.
	(STOREL): Likewise.
	(STORED): Likewise.
	(POKEI): Likewise.
	(run_normal_debug): Likewise.
	(run_synch_object_debug): Likewise.
	(run_class_debug): Likewise.
	(run_synch_class_debug): Likewise.
	(get1s): Likewise.
	(get1u): Likewise.
	(get2u): Likewise.
	(get4): Likewise.
	(NULLARRAYCHECK): Likewise.
	(ARRAYBOUNDSCHECK): Likewise.
	* interpret-run.cc (insn_target) <breakpoint>: Tidy.

From-SVN: r121313
2007-01-29 22:00:30 +00:00
Keith Seitz
c422af91ad interpret.cc: Include gnu/gcj/jvmti/Breakpoint.h...
* interpret.cc: Include gnu/gcj/jvmti/Breakpoint.h,
        gnu/gcj/jvmti/BreakpointManager.h, jvmti.h, and jvmti-int.h
        * interpret-run.cc: Implement insn_breakpoint.

From-SVN: r121155
2007-01-25 00:40:45 +00:00
Tom Tromey
97b8365caf Merged gcj-eclipse branch to trunk.
From-SVN: r120621
2007-01-09 19:58:05 +00:00
Keith Seitz
0f546316f4 java-insns.h (enum java_code): Add op_breakpoint.
* include/java-insns.h (enum java_code): Add op_breakpoint.
        * include/java-interp.h (_Jv_InterpMethod): Declare breakpoint_insn.
        [INTERPRETER]: Declare _Jv_InterpMethod::bp_insn_slot.
        [!INTERPRETER]: Declare _Jv_InterpMethod::bp_insn_opcode.
        (install_break): Declare.
        * interpret.cc (breakpoint_insn): Define breakpoint insn.
        (compile): Add op_breakpoint to "can't happen" cases.
        [INTERPRETER] Initialize breakpoint insn if necessary.
        (install_break): New method.
        * interpret-run.cc: Add op_breakpoint to insn_targets.
        Add insn_breakpoint label.
        * verify.cc (branch_prepass): Add op_breakpoint to unrecognized
        opcodes section of switch statement.
        (verify_instructions_0): Likewise.

From-SVN: r117734
2006-10-14 20:11:12 +00:00
Keith Seitz
05ee9ca08f java-interp.h (_Jv_InterpMethod::get_insn): Declare.
* include/java-interp.h (_Jv_InterpMethod::get_insn): Declare.
        (_Jv_InterpMethod::set_insn): Declare.
        * interpret.cc (_Jv_InterpMethod::get_insn): New method.
        (_Jv_InterpMethod::get_insn): New method.

From-SVN: r117614
2006-10-10 20:15:51 +00:00
Keith Seitz
19add4f7e4 java-interp.h (prepared): Change type to pc_t.
* include/java-interp.h (prepared): Change type to pc_t.
        (insn_index): Define for both DIRECT_THREADED and bytecode interpreters.
        * interpret.cc [!DIRECT_THREADED] (POKEI): Fix typo.
        (insn_index): Implement for bytecode interpreter.
        * interpret-run.cc [!DIRECT_THREADED] (AVAL1U): Add _Jv_Linker class
        qualifier to resolve_pool_entry.
        [!DIRECT_THREADED] (AVAL2U): Likewise.
        [!DIRECT_THREADED] bytecode() cannot be called without an object.
        Changed all typos.
        [!DIRECT_THREADED] Likewise for defining_class.

From-SVN: r117333
2006-09-30 19:20:16 +00:00
Kyle Galloway
50ac25005f java-interp.h (_Jv_InterpMethod::run_debug): New method.
2006-08-15  Kyle Galloway  <kgallowa@redhat.com>

  * include/java-interp.h (_Jv_InterpMethod::run_debug): New method.
  * interpret.cc: Added placeholder for debug variable type info to STORE*
  macros.
  (_Jv_InterpMethod::run_debug): New method.
  (_Jv_InterpMethod::run_sync_object_debug): New method.
  (_Jv_InterpMethod::run_sync_class_debug): New method.
  (_Jv_InterpMethod::run_normal_debug): New method.
  (_Jv_InterpMethod::run_class_debug): New method.
  (_Jv_InterpMethod::ncode ()): Changed to select either debug or normal
  versions of these functions.
  * interpret-run.cc: New file, holds contents of old 	
  _Jv_InterpMethod::run method.
  * stacktrace.cc (_Jv_StackTrace::UnwindTraceFn): Changed to select
  appropriate function for debug or normal mode.

From-SVN: r116167
2006-08-15 20:40:10 +00:00
Bryce McKinlay
b369a1989c interpret.cc (_Jv_InterpMethod::run): Don't SAVE_PC for fdiv.
2006-07-13  Bryce McKinlay  <mckinlay@redhat.com>

	* interpret.cc (_Jv_InterpMethod::run): Don't SAVE_PC for fdiv.

From-SVN: r115431
2006-07-14 01:52:18 +01:00
Bryce McKinlay
43e6b77cbb interpret.cc (_Jv_InterpMethod::compile): Add FIXME comment.
2006-07-13  Bryce McKinlay  <mckinlay@redhat.com>

	* interpret.cc (_Jv_InterpMethod::compile): Add FIXME comment.
	(_Jv_InterpMethod::run): SAVE_PC before executing any instruction 
	using resolve_pool_entry, as it can throw. Likewise for div/rem ops
	that can throw ArithmeticException.

From-SVN: r115422
2006-07-13 22:13:12 +01:00
Tom Tromey
a7285117b4 re PR libgcj/26861 (VirtualMachineError in interperter.)
PR libgcj/26861:
	* interpret.cc (run) <insn_getfield>: Removed 0xffff check.
	<insn_putfield>: Likewise.
	(NULLCHECK): Define unconditionally.
	* link.cc (ensure_class_linked): Removed dead code.

From-SVN: r113531
2006-05-04 17:35:05 +00:00
Bryce McKinlay
23bc3a894d link.cc (_Jv_Linker::resolve_pool_entry): Don't pass vtable_index to resolve_method.
2006-04-28  Bryce McKinlay  <mckinlay@redhat.com>

	* link.cc (_Jv_Linker::resolve_pool_entry): Don't pass vtable_index
	to resolve_method.
	* interpret.cc (insn_invokevirtual): Use method->index, not
	vtable_index. Check accflag FINAL to determine finals. Only do
	explicit null check if calling a final method. Use
	throw_null_pointer_exception.
	(invokevirtual_resolved): Likewise.
	(null_pointer_exc): Remove static field.
	(throw_null_pointer_exception): Always define. Throw a new
	NullPointerException every time.
	* include/java-interp.h (_Jv_ResolvedMethod): Remove vtable_index
	field.
	* include/execution.h (resolve_method): Remove vtable_index argument.

From-SVN: r113370
2006-04-29 02:35:50 +01:00
Tom Tromey
d07548f9ca * interpret.cc (do_allocate_static_fields): Added comment.
From-SVN: r111683
2006-03-03 18:32:22 +00:00
Bryce McKinlay
1349c68851 re PR libgcj/25187 (dereferencing type-punned pointer warnings while building libgcj)
2006-02-08  Bryce McKinlay  <mckinlay@redhat.com>

        PR libgcj/25187:
        * gnu/gcj/io/natSimpleSHSStream.cc
        (gnu::gcj::io::SimpleSHSStream::shsFinal): Remove bogus cast.
        * interpret.cc (_Jv_InterpMethod::run): Simplify arguments to
        _Jv_InterpFrame().
        * boehm.cc: #undef some autoconf macros before including gc-config.h.
        (_Jv_MarkObject): Don't mark the class, it is reachable via the vtable.
        (_Jv_MarkArray): Likewise.
        * java/lang/ref/natReference.cc (java::lang::ref::Reference::create):
        Simplify _Jv_GCRegisterDisappearingLink() call.
        * java/lang/Class.h (getComponentType): Use element_type.
        (element_type): New field declaration, as a union with "methods".
        * java/lang/natClassLoader.cc (_Jv_NewArrayClass): Use "element_type".
        * java/net/natVMNetworkInterfacePosix.cc
        (java::net::VMNetworkInterface::getInterfaces): Add "int" cast to
        avoid sign comparison warning.
        * include/java-interp.h (_Jv_InterpFrame): Take thread as second
        argument, not parent call frame.
        * include/x86_64-signal.h (MAKE_THROW_FRAME): Use "gregs" directly,
        without a cast.
        (restore_rt): Declare with hidden visibility, not "static".
        * posix.cc (_Jv_platform_initProperties): Make "tmpdir" a string
        constant.
        * jni.cc (_Jv_JNI_DestroyJavaVM): Use a union to avoid strict alias
        warning

From-SVN: r110783
2006-02-09 01:35:33 +00:00
Bryce McKinlay
2cf94e58cb link.cc (_Jv_Linker::print_class_loaded): Declare string constants as "const char *".
2006-02-08  Bryce McKinlay  <mckinlay@redhat.com>

	* link.cc (_Jv_Linker::print_class_loaded): Declare string constants
	as "const char *".
	* verify.cc (verify_fail): Likewise.
	* gnu/classpath/natSystemProperties.cc (file_encoding): Likewise.
	* interpret.cc (throw_internal_error, throw_class_format_error):
	Likewise.
	* gcj/javaprims.h (_Jv_hashUtf8String, _Jv_Utf8Const::space_needed, 
	_Jv_Utf8Const::init, _Jv_makeUtf8Const): Likewise.
	* java/lang/Class.h (_Jv_InitPrimClass): Likewise.
	* include/jvm.h (_Jv_strLengthUtf8, _Jv_makeUtf8Const): Likewise.
	* defineclass.cc (throw_internal_error, throw_no_class_def_found_error,
	is_attribute_name): Likewise.
	* prims.cc (_Jv_strLengthUtf8, _Jv_hashUtf8String, _Jv_Utf8Const::init,
	_Jv_makeUtf8Const, _Jv_InitPrimClass): Likewise.

From-SVN: r110767
2006-02-08 20:38:13 +00:00
Tom Tromey
8b1753e3ec PR libgcj/26063, PR libgcj/17978, PR libgcj/10598:
* defineclass.cc (parse): Use _Jv_AllocRawObj.
	(read_constpool): Likewise.
	(read_one_code_attribute): Use internal function name.
	(handleConstantPool): Use _Jv_AllocRawObj.
	(handleInterfacesBegin): Likewise.
	(handleFieldsBegin): Likewise.
	(handleMethodsBegin): Likewise.
	(handleCodeAttribute): Likewise.
	(handleMethodsEnd): Likewise.
	* include/jvm.h (new_vtable): Use _Jv_AllocRawObj.
	* interpret.cc (do_allocate_static_fields): Use _Jv_AllocRawObj.
	Allocate reference fields separately.
	* link.cc (prepare_constant_time_tables): Use _Jv_AllocRawObj.
	(add_miranda_methods): Likewise.
	(generate_itable): Use _Jv_AllocBytes.
	(find_iindex): Likewise.
	(struct method_closure): New structure.
	(create_error_method): Use struct method_closure; allocate with
	_Jv_AllocBytes.
	(ensure_fields_laid_out): Separate reference fields from
	non-reference fields.
	* boehm.cc (_Jv_MarkObj): Mark vtable.  Only mark direct fields
	of Class.
	(_Jv_MarkArray): Mark vtable.
	(_Jv_AllocRawObj): Don't allocate objects of size 0.
	* include/execution.h
	(_Jv_ExecutionEngine::allocate_static_fields): Added 'int'
	parameter.
	(struct _Jv_CompiledEngine): Updated.
	(class _Jv_InterpreterEngine): Updated.

From-SVN: r110763
2006-02-08 20:07:29 +00:00
Keith Seitz
e939885ff5 java-interp.h (insn_index): New declaration.
* include/java-interp.h (insn_index): New declaration.
        (num_insn_slots): New private variable.
        (get_line_table): New declaration.
        * interpret.cc (insn_index): New function.
        (get_line_table): New function.

From-SVN: r110411
2006-01-30 21:20:40 +00:00
Keith Seitz
d0f4aa53e0 java-interp.h (_Jv_CompileMethod): Add declaration.
* include/java-interp.h (_Jv_CompileMethod): Add declaration.
        (class _Jv_InterpMethod): Add _Jv_CompileMethod as a friend.
        * interpret.cc (_Jv_CompileMethod): New function.
        (run):  Massage code to allow for NULL args.
        Update comments to explain NULL args.
        Return if compiling the method and args is NULL.

From-SVN: r109918
2006-01-18 21:52:45 +00:00
Tom Tromey
a022cd5969 re PR libgcj/16032 (libgcj should reject class files with incorrect version numbers)
PR libgcj/16032:
	* interpret.cc (AVAL1U): Resolve pool entry when not direct
	threaded.
	(AVAL2U): Likewise.
	(compile): Handle 'ldc class' specially.
	(_Jv_InterpMethod::run): Added special 'ldc class' instruction.
	* verify.cc (check_constant): Handle 'ldc class' for 1.5 classes.
	* defineclass.cc (handleCodeAttribute): Set new field.
	(MAJOR_1_1, MINOR_1_1, MAJOR_1_2, MINOR_1_2, MAJOR_1_3, MINOR_1_3,
	MAJOR_1_4, MINOR_1_4, MAJOR_1_5, MINOR_1_5): New defines.
	(parse): Check version numbers.
	(_Jv_ClassReader::is_15): New field.
	(_Jv_ClassReader): Initialize it.
	* include/java-interp.h (_Jv_InterpMethod::is_15): New field.

From-SVN: r104325
2005-09-15 22:02:13 +00:00
Colin Walters
3ffa3729c0 verify.cc (class _Jv_BytecodeVerifier): Don't check for abstract classes or interfaces here...
2005-07-06  Colin Walters  <walters@verbum.org>

	* verify.cc (class _Jv_BytecodeVerifier) <op_new>: Don't
	check for abstract classes or interfaces here; JVM spec
	says it should throw an exception, so we'll do so later.
	* interpret.cc (run): Throw an InstantiationException for
	abstract classes and interfaces.

From-SVN: r101788
2005-07-08 19:13:30 +00:00
Tom Tromey
9cc2dc63bb interpret.cc (run): Use _Jv_CheckCast.
* interpret.cc (run) <insn_checkcast, checkcast_resolved>: Use
	_Jv_CheckCast.

From-SVN: r101427
2005-06-29 16:18:53 +00:00
Tom Tromey
6a05987083 interpret.cc (compile): Handle case where table entry is outside of PC range.
* interpret.cc (compile): Handle case where table entry is
	outside of PC range.

From-SVN: r101298
2005-06-24 22:04:11 +00:00
Anthony Green
f00fac9d2f jni.cc (natrehash): Don't bother clearing memory again.
2005-04-22  Anthony Green  <green@redhat.com>

        * jni.cc (natrehash): Don't bother clearing memory again.
        * interpret.cc (do_allocate_static_fields): Ditto.
        * java/lang/natString.cc (rehash): Ditto.

From-SVN: r98583
2005-04-22 19:02:41 +00:00
Bryce McKinlay
18744d9b72 New Stack Trace infrastructure.
2005-03-10  Bryce McKinlay  <mckinlay@redhat.com>

	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.

From-SVN: r96253
2005-03-10 19:02:21 +00:00
Tom Tromey
a8182d3719 re PR libgcj/15719 (GIJ Interpeter: Problem with NaN / infinity comparisons)
PR libgcj/15719:
	* interpret.cc (run) <insn_dcmpl, insn_dcmpg>: Set tmpval
	correctly.

From-SVN: r92966
2005-01-05 19:03:10 +00:00
Tom Tromey
367390404d * Merged gcj-abi-2-dev-branch to trunk.
(Actual changes too large to list in the commit message;
see ChangeLog.)

From-SVN: r91270
2004-11-25 03:47:08 +00:00
Andrew Haley
180a373d0d interpret.cc (_Jv_InterpMethod::run): Initialize _Jv_StartOfInterpreter.
2004-10-13  Andrew Haley  <aph@redhat.com>

        * interpret.cc (_Jv_InterpMethod::run): Initialize
        _Jv_StartOfInterpreter.
        (_Jv_StartOfInterpreter, _Jv_EndOfInterpreter): Functions removed.
        (_Jv_StartOfInterpreter, _Jv_EndOfInterpreter): New variables.
        * gnu/gcj/runtime/natStackTrace.cc (fillInStackTrace): Use
        _Unwind_FindEnclosingFunction to discover whether PC is within the
        interpreter.

From-SVN: r89037
2004-10-14 15:21:13 +00:00
Ulrich Weigand
5549179ffb interpret.cc (run): Correctly access libffi return values of integral smaller-than-int type...
* interpret.cc (run): Correctly access libffi return values of
	integral smaller-than-int type; these are implicitly promoted.

From-SVN: r84645
2004-07-13 21:06:33 +00:00
Bryce McKinlay
6187fd28ad re PR libgcj/7587 (direct threaded interpreter not thread-safe)
2004-07-13  Bryce McKinlay  <mckinlay@redhat.com>

	PR libgcj/7587
	* interpret.cc (compile_mutex): New.
	(_Jv_InitInterpreter): New. Initialize compile_mutex.
	(run): Lock compile_mutex before calling compile() if compilation is
	required.
	* prims.cc (_Jv_CreateJavaVM): Call _Jv_InitInterpreter().
	* include/java-interp.h (_Jv_InitInterpreter): Declare.

From-SVN: r84644
2004-07-13 22:03:03 +01:00
Bryce McKinlay
7a1c3d48ab re PR libgcj/15713 (compile interpret.cc with -fno-strict-aliasing)
2004-07-12  Bryce McKinlay  <mckinlay@redhat.com>

	PR libgcj/15713
	* include/jvm.h (_Jv_value): New union type.
	* gcj/field.h (_Jv_Field): Add new _addr union field variants
	* interperet.cc (run): Use _Jv_value union type and *_addr _Jv_Field
	union members.

From-SVN: r84596
2004-07-13 02:04:47 +01:00
Tom Tromey
618df7453e * interpret.cc (run): Handle wide fload.
From-SVN: r82889
2004-06-10 06:18:18 +00:00
Bryce McKinlay
bf7ad40253 interpret.cc (_Jv_InterpMethod::run): Update _Jv_AllocObject arguments to match new signature.
2004-04-16  Bryce McKinlay  <mckinlay@redhat.com>

	* interpret.cc (_Jv_InterpMethod::run): Update _Jv_AllocObject
	arguments to match new signature. Remove FIXME comments.

From-SVN: r80766
2004-04-16 20:38:27 +01:00
Paolo Bonzini
415c96ca6a interpret.cc (_Jv_InterpMethod::run): Don't use libffi types, they were meant to be internal.
2003-10-14  Paolo Bonzini  <bonzini@gnu.org>

	* interpret.cc (_Jv_InterpMethod::run): Don't
	use libffi types, they were meant to be internal.
	* gcj/javaprims.h (_Jv_ulong): New typedef.

From-SVN: r72482
2003-10-14 17:53:42 +00:00
Tom Tromey
4c98b1b078 defineclass.cc (handleMethodsEnd): Precompute code for static method.
* defineclass.cc (handleMethodsEnd): Precompute code for static
	method.
	(handleCodeAttribute): Likewise.
	* resolve.cc (ncode): Use run_class for unsynchronized static
	methods.
	* include/java-interp.h (class _Jv_InterpMethod): Declare
	run_class.
	* interpret.cc (run_synch_class): Initialize class.
	(run) [insn_invokestatic]: Don't initialize class.
	[insn_anewarray]: Likewise.
	[insn_multianewarray]: Likewise.
	(run_class): New function.

From-SVN: r61727
2003-01-24 19:58:21 +00:00
Mark Mitchell
dfe5a36e95 boehm.cc: Remove stray semicolon.
* boehm.cc: Remove stray semicolon.
	* interpret.cc: Likewise.
	* prims.cc: Likewise.
	* verify.cc (_Jv_BytecodeVerifier::verify_fail): Move definition
	earlier to ensure default arguments are processed.
	* gcj/array.h (JArray): Add forward declaration.
	(elements): Likewise.
	* gcj/javaprim.h: Remove stray semicolons.
	* include/bohm-gc.h: Likewise.
	* include/jni.h: Likewise.
	* include/jvm.h: Likewise.
	* java/lang/Class.h (_Jv_GetArrayClass): Declare _Jv_NewArrayClass.

From-SVN: r60556
2002-12-28 06:38:52 +00:00
Tom Tromey
b4d0051bd9 java-interp.h (class _Jv_InterpMethod): Added JV_MARKOBJ_DECL.
* include/java-interp.h (class _Jv_InterpMethod): Added
	JV_MARKOBJ_DECL.
	* boehm.cc (_Jv_MarkObj): Consolidated interpreter code.  Also
	mark `prepared' field of interpreted method.
	* interpret.cc (compile): Use _Jv_AllocBytes.

From-SVN: r59900
2002-12-06 23:41:38 +00:00
Tom Tromey
b0fbe966b1 verify.cc (type::compatible): Check initialization status first.
* verify.cc (type::compatible): Check initialization status
	first.
	* interpret.cc (run) [insn_invokespecial, invokespecial_resolved]:
	Don't use NULLCHECK.

From-SVN: r59494
2002-11-26 06:51:14 +00:00