* 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
2006-08-15 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
2006-07-13 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
2006-04-28 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
2006-02-08 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
* 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
* 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
* 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
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
2005-03-10 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
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
2004-07-12 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
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
* include/jvm.h (struct _Jv_frame_info): New structure.
* gnu/gcj/runtime/natNameFinder.cc: Include StringBuffer.h,
java-interp.h.
(lookupInterp): New method.
(getAddrAsString): Use _Jv_frame_info.
(dladdrLookup): Likewise.
* gnu/gcj/runtime/NameFinder.java (lookup): Try to look up
interpreted frame.
(lookupInterp): Declare.
* java/lang/natVMThrowable.cc: Include Thread.h, java-interp.h.
(fillInStackTrace): Collect information on interpreted frames.
Use _Jv_frame_info.
* interpret.cc: Include Thread.h.
(run): Create and push _Jv_MethodChain object.
(_Jv_EndOfInterpreter): New global.
* java/lang/Thread.java (interp_frame): New field.
* include/java-interp.h (struct _Jv_MethodChain): New structure.
Include NameFinder.h.
From-SVN: r56657
2001-02-12 Jeff Sturm <jeff.sturm@commerceone.com>
Tom Tromey <tromey@redhat.com>
* interpret.cc (continue1): [insn_invokevirtual] Do an explicit
null pointer check.
Co-Authored-By: Tom Tromey <tromey@redhat.com>
From-SVN: r39607
* defineclass.cc: Include alloca.h only if HAVE_ALLOCA_H.
* java/lang/natDouble.cc: Likewise.
* java/lang/reflect/natMethod.cc: Likewise.
* interpret.cc: Likewise. Fix NULLCHECKs that tested a _Jv_word.
From-SVN: r36404
