gcc/libjava/include/java-field.h
Anthony Green 58eb6e7cef [multiple changes]
1999-08-09  Anthony Green  <green@cygnus.com>

        * gij.cc: New file.

        * include/config.h.in: Rebuilt.
        * acconfig.h: Add INTERPRETER.

        * configure: Rebuilt.

        * Makefile.in: Rebuilt.
        * Makefile.am (libffi_files): Identify the libffi object files for
        inclusion in libgcj.
        (LIBFFIINCS): Define.

        * interpret.cc (gnu::gcj::runtime::MethodInvocation::continue1):
        Dummy definition for configurations without an interpreter.

        * java/net/natPlainSocketImpl.cc (getOption): Disamiguate call to
        java::lang::Boolean constructor.

        * include/java-interp.h: Always include java-cpool.h.

        * java/lang/natClassLoader.cc (getVMClassLoader0): Always return 0
        when INTERPRETER not defined.

        * java/lang/Class.h (finalize): Define.

        * gnu/gcj/util/path/DirectoryPathEntry.java (getURL): Catch
        IOException from File.getCanonicalPath.
        (getStream): Likewise.

        * NEWS: More news.
        * THANKS: More thanks.

1999-08-09  Kresten Krab Thorup  <krab@gnu.org>

        * resolve.cc (get_ffi_type_from_signature): Generate uint16 for
        jchar type.
        (_Jv_PrepareClass): Allow non-abstract classes to
        have abstract subclasses.
        (_Jv_ResolvePoolEntry): Revert subclass check for protected
        fields and methods.
        * interpret.cc (continue1/perform_invoke): Don't sign extend
        uint16 return val.
        (continue1/lshl,lshr): Push long, not int.
        (continue1/ulshr): Use UINT64, not long long.
        * defineclass.cc (handleFieldsEnd): Handle case when all fields
        are static.
        * java/lang/natClass.cc (forName): Add call to _Jv_InitClass.
        * java/lang/FirstThread.java (run): Add top-level exception
        handler.
        (run0): Renamed from run.

1999-08-08  Kresten Krab Thorup  <krab@gnu.org>

        * configure.in (--with-interpreter): Added.
        * include/config.h.in (INTERPRETER): Added.

        * java/lang/ClassLoader.java: File replaced.
        * java/lang/VMClassLoader.java: New file.
        * java/lang/natClassLoader.cc: New file.
        * gnu/gcj/runtime/MethodInvocation.java: New file.
        * gnu/gcj/util/path/SearchPath.java: New file.
        * gnu/gcj/util/path/PathEntry.java: New file.
        * gnu/gcj/util/path/DirectoryPathEntry.java: New file.
        * gnu/gcj/util/path/ZipPathEntry.java: New file.
        * gnu/gcj/util/path/URLPathEntry.java: New file.
        * gnu/gcj/util/path/CacheEntry.java: New file.
        * include/java-interp.h: New file.
        * include/java-cpool.h: New file.
        * include/java-insns.h: New file.
        * defineclass.cc: New file.
        * interpret.cc: New file.
        * resolve.cc: New file.

        * java/lang/natClass.cc (loaded_classes, _Jv_RegisterClass,
        _Jv_RegisterClasses, _Jv_FindClassInCache, _Jv_FindClass,
        _Jv_NewClass, _Jv_FindArrayClass): Moved to natClassLoader.cc.
        (finalize): New.
        (STATE_NOTHING, STATE_RESOLVED, STATE_IN_PROGRESS, STATE_DONE,
        STATE_ERROR): Moved to java/lang/Class.h and renamed with JV_
        prefix.
        (initializeClass): Use new JV_ prefixed names.  Also, call
        ClassLoader::resolveClass instead of _Jv_ResolveClass.

        * java/lang/Class.h (JV_STATE_PRELOADING, JV_STATE_LOADING,
        JV_STATE_LOADED, JV_STATE_COMPILED, JV_STATE_PREPARED,
        JV_STATE_LINKED): New.
        (_Jv_WaitForState, _Jv_RegisterInitiatingLoader,
        _Jv_UnregisterClass, _Jv_InternClassStrings): New friends.
        (_Jv_IsInterpretedClass, _Jv_InitField, _Jv_LookupDeclaredMethod,
        _Jv_DetermineVTableIndex, _Jv_ResolvePoolEntry, _Jv_PrepareClass,
        _Jv_ClassReader, _Jv_InterpClass, _Jv_InterpMethod,
        _Jv_InterpMethodInvocation): New friends for interpreter.
        (finalize): New.
        (CONSTANT_Class, CONSTANT_String, etc.): Moved to
        include/java-cpool.h and renamed with JV_ prefix.

        * include/jvm.h (_Jv_makeUtf8Const, _Jv_makeUtf8TypeConst): New
        decls.
        (_Jv_UnregisterClass): New decl.

        * java/lang/natClassLoader.cc (_Jv_FindArrayClass): Added
        class loader argument.
        (_Jv_FindClass): Use class loader.

        * prims.cc (_Jv_makeUtf8Const): New function.
        (_Jv_NewObjectArray): Change use of _Jv_FindArrayClass.
        (_Jv_NewPrimArray): Ditto.
        (_Jv_FindClassFromSignature): Ditto.
        * java/lang/reflect/natArray.cc (newInstance): Ditto.
        * java/lang/reflect/natMethod.cc (getType): Ditto.

        * include/java-field.h (_Jv_Field::isRef): Make robust for
        non-resolved contexts.

        * boehm.cc (_Jv_MarkObj): Mark interpreter-related fields.
        Also, don't mark class->next field.

        * java/lang/VirtualMachineError.java: Added FIXME note.

        * configure.in (INTERPSPEC): New spec.
        * libgcj.spec.in: Added INTERPSPEC.
        * Makefile.am: Added gcjh friends for java/lang/VMClassLoader and
        gnu/gcj/runtime/MethodInvocation.
        (libgcj_la_SOURCES): Added resolve.cc defineclass.cc interpret.cc.
        (ordinary_java_source_files): Added above mentioned java classes.

        * configure: Rebuilt.
        * Makefile.in: Rebuilt.

From-SVN: r28597
1999-08-08 14:06:23 +00:00

170 lines
3.5 KiB
C++

// java-field.h - Header file for fieldID instances. -*- c++ -*-
/* Copyright (C) 1998, 1999 Cygnus Solutions
This file is part of libgcj.
This software is copyrighted work licensed under the terms of the
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
details. */
#ifndef __JAVA_FIELD_H__
#define __JAVA_FIELD_H__
#include <java/lang/Class.h>
#include <java/lang/reflect/Field.h>
#define _Jv_FIELD_UNRESOLVED_FLAG 0x8000
#define _Jv_FIELD_CONSTANT_VALUE 0x4000
struct _Jv_Field
{
#ifndef COMPACT_FIELDS
struct _Jv_Utf8Const* name;
#endif
/* The type of the field, if isResolved().
If !isResolved(): The fields's signature as a (Utf8Const*). */
jclass type;
_Jv_ushort flags;
#ifdef COMPACT_FIELDS
short nameIndex; /* ofsfet in class's name table */
#else
_Jv_ushort bsize; /* not really needed ... */
#endif
union {
int boffset; /* offset in bytes for instance field */
void* addr; /* address of static field */
} u;
#ifdef __cplusplus
jboolean isResolved ()
{ return ! (flags & _Jv_FIELD_UNRESOLVED_FLAG); }
public:
int getOffset () { return u.boffset; }
jobject getObjectField (jobject obj)
{ return *(jobject *)((char *)obj + getOffset ()); }
jfieldID getNextInstanceField () { return this + 1; }
jboolean isRef ()
{
if (!isResolved ())
{
char first = ((_Jv_Utf8Const*)type)->data[0];
return first == '[' || first == 'L';
}
else
{
return ! type->isPrimitive ();
}
}
// FIXME - may need to mask off internal flags.
int getModifiers() { return flags; }
#ifdef COMPACT_FIELDS
_Jv_Utf8Const * getNameUtf8Const (jclass cls)
{ return clas->fieldNames + nameIndex; }
#else
_Jv_Utf8Const * getNameUtf8Const (jclass) { return name; }
#endif
#endif
};
#ifdef __cplusplus
inline jbyte
_Jv_GetStaticByteField (jclass, _Jv_Field* field)
{
return * (jbyte *) field->u.addr;
}
inline jshort
_Jv_GetStaticShortField (jclass, _Jv_Field* field)
{
return * (jshort *) field->u.addr;
}
inline jint
_Jv_GetStaticIntField (jclass, _Jv_Field* field)
{
return * (jint *) field->u.addr;
}
inline jlong
_Jv_GetStaticLongField (jclass, _Jv_Field* field)
{
return * (jlong *) field->u.addr;
}
inline jobject
_Jv_GetObjectField (jobject obj, _Jv_Field* field)
{
return field->getObjectField (obj);
}
inline jbyte
_Jv_GetByteField (jobject obj, _Jv_Field* field)
{
return * (jbyte *) ((char*) obj + field->getOffset ());
}
inline jshort
_Jv_GetShortField (jobject obj, _Jv_Field* field)
{
return * (jshort *) ((char*) obj + field->getOffset ());
}
inline jint
_Jv_GetIntField (jobject obj, _Jv_Field* field)
{
return * (jint *) ((char*) obj + field->getOffset ());
}
inline jlong
_Jv_GetLongField (jobject obj, _Jv_Field* field)
{
return * (jlong *) ((char*) obj + field->getOffset ());
}
extern inline jfieldID
_Jv_FromReflectedField (java::lang::reflect::Field *field)
{
return (jfieldID) ((char *) field->declaringClass->fields + field->offset);
}
#ifdef __JAVA_CNI_H__
extern inline jfieldID
JvGetFirstInstanceField (jclass klass)
{
return &(klass->fields[klass->static_field_count]);
}
extern inline jint
JvNumInstanceFields (jclass klass)
{
return klass->field_count - klass->static_field_count;
}
extern inline jboolean
JvFieldIsRef (jfieldID field)
{
return field->isRef ();
}
extern inline jobject
JvGetObjectField (jobject obj, _Jv_Field* field)
{
return _Jv_GetObjectField (obj, field);
}
#endif /* defined (__JAVA_CNI_H__) */
#endif
#endif /* __JAVA_FIELD_H */