gcc/libjava/gcj/field.h

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// field.h - Header file for fieldID instances. -*- c++ -*-
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/* Copyright (C) 1998, 1999, 2000 Free Software Foundation
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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 __GCJ_FIELD_H__
#define __GCJ_FIELD_H__
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#include <java/lang/Class.h>
#include <java/lang/reflect/Field.h>
#include <java/lang/reflect/Modifier.h>
natField.cc (BooleanClass): Don't define. * java/lang/reflect/natField.cc (BooleanClass): Don't define. * java/lang/reflect/natArray.cc (BooleanClass): Don't define. * java/lang/Class.h (Object): Added `class$' field. * java/lang/Object.h (Object): Added `class$' field. * defineclass.cc (ClassClass): Use `class$' form. (ClassObject): Likewise. * resolve.cc (ClassObject): Use `class$' form. (ObjectClass): Likewise. * interpret.cc (ClassError): Removed. * java/net/natPlainDatagramSocketImpl.cc (BooleanClass): Use `class$' form. (IntegerClass): Likewise. * java/net/natPlainSocketImpl.cc (BooleanClass): Use `class$' form. * java/lang/natClassLoader.cc (CloneableClass): Use `class$' form. (ObjectClass, ClassClass, VMClassLoaderClass, ClassLoaderClass, SerializableClass): Likewise. Include Serializable.h, Cloneable.h. * java/lang/natSystem.cc (SystemClass): Removed. (init_properties): Use `class$' form. * java/lang/natObject.cc (CloneableClass): Removed. (clone): Use `class$' form. * java/lang/natClass.cc (CloneableClass): Use `class$' form. (ObjectClass, ErrorClass, ClassClass, MethodClass, FieldClass, ConstructorClass): Likewise. * java/lang/reflect/natMethod.cc (ObjectClass): Use `class$' form. (ClassClass, VoidClass, ByteClass, ShortClass, CharacterClass, IntegerClass, LongClass, FloatClass, DoubleClass): Likewise. * java/io/natObjectInputStream.cc (ObjectClass): Use `class$' form. (ClassClass): Likewise. * include/jvm.h (StringClass): Use `class$' form. * prims.cc (ObjectClass): Removed. (_Jv_RunMain): Use `class$' form. (_Jv_AllocObject): Likewise. * jni.cc (ClassClass): Use `class$' form. (ThrowableClass): Likewise. (ObjectClass): Likewise. (MethodClass): Likewise. (ThreadGroupClass): Likewise. (NativeThreadClass): Likewise. * boehm.cc (ObjectClass): Removed. (ClassClass): Removed. (_Jv_MarkObj): Use `class$' form. * gcj/field.h (JvFieldIsRef): Use `class$' form. Include RawData.h. From-SVN: r36740
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#include <gnu/gcj/RawData.h>
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#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
jshort nameIndex; /* offset in class's name table */
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#else
_Jv_ushort bsize; /* not really needed ... */
#endif
union {
jint boffset; /* offset in bytes for instance field */
char* addr; /* address of static field */
jobject* object_addr; /* address of static object field... etc */
jbyte* byte_addr;
jshort* short_addr;
jchar* char_addr;
jint* int_addr;
jlong* long_addr;
jfloat* float_addr;
jdouble* double_addr;
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} 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 getNextField () { return this + 1; }
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[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
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jboolean isRef ()
{
if (!isResolved ())
{
char first = ((_Jv_Utf8Const*)type)->first();
[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
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return first == '[' || first == 'L';
}
else
{
return ! type->isPrimitive ();
}
}
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jclass getClass ()
{
// We can't use JvAssert here because it is not in a public
// header.
// JvAssert (isResolved ());
return type;
}
// Need to mask off all unknown/internal flags before returning.
int getModifiers()
{
return flags & java::lang::reflect::Modifier::ALL_FLAGS;
}
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#ifdef COMPACT_FIELDS
_Jv_Utf8Const * getNameUtf8Const (jclass cls)
{ return clas->fieldNames + nameIndex; }
#else
_Jv_Utf8Const * getNameUtf8Const (jclass) { return name; }
#endif
#endif
};
#ifdef __cplusplus
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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 __GCJ_CNI_H__
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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 jfieldID
JvGetFirstStaticField (jclass klass)
{
return &(klass->fields[0]);
}
extern inline jint
JvNumStaticFields (jclass klass)
{
return klass->static_field_count;
}
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extern inline jboolean
JvFieldIsRef (jfieldID field)
{
natField.cc (BooleanClass): Don't define. * java/lang/reflect/natField.cc (BooleanClass): Don't define. * java/lang/reflect/natArray.cc (BooleanClass): Don't define. * java/lang/Class.h (Object): Added `class$' field. * java/lang/Object.h (Object): Added `class$' field. * defineclass.cc (ClassClass): Use `class$' form. (ClassObject): Likewise. * resolve.cc (ClassObject): Use `class$' form. (ObjectClass): Likewise. * interpret.cc (ClassError): Removed. * java/net/natPlainDatagramSocketImpl.cc (BooleanClass): Use `class$' form. (IntegerClass): Likewise. * java/net/natPlainSocketImpl.cc (BooleanClass): Use `class$' form. * java/lang/natClassLoader.cc (CloneableClass): Use `class$' form. (ObjectClass, ClassClass, VMClassLoaderClass, ClassLoaderClass, SerializableClass): Likewise. Include Serializable.h, Cloneable.h. * java/lang/natSystem.cc (SystemClass): Removed. (init_properties): Use `class$' form. * java/lang/natObject.cc (CloneableClass): Removed. (clone): Use `class$' form. * java/lang/natClass.cc (CloneableClass): Use `class$' form. (ObjectClass, ErrorClass, ClassClass, MethodClass, FieldClass, ConstructorClass): Likewise. * java/lang/reflect/natMethod.cc (ObjectClass): Use `class$' form. (ClassClass, VoidClass, ByteClass, ShortClass, CharacterClass, IntegerClass, LongClass, FloatClass, DoubleClass): Likewise. * java/io/natObjectInputStream.cc (ObjectClass): Use `class$' form. (ClassClass): Likewise. * include/jvm.h (StringClass): Use `class$' form. * prims.cc (ObjectClass): Removed. (_Jv_RunMain): Use `class$' form. (_Jv_AllocObject): Likewise. * jni.cc (ClassClass): Use `class$' form. (ThrowableClass): Likewise. (ObjectClass): Likewise. (MethodClass): Likewise. (ThreadGroupClass): Likewise. (NativeThreadClass): Likewise. * boehm.cc (ObjectClass): Removed. (ClassClass): Removed. (_Jv_MarkObj): Use `class$' form. * gcj/field.h (JvFieldIsRef): Use `class$' form. Include RawData.h. From-SVN: r36740
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return field->isRef () && field->type != &gnu::gcj::RawData::class$;
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}
extern inline jobject
JvGetObjectField (jobject obj, _Jv_Field* field)
{
return _Jv_GetObjectField (obj, field);
}
#endif /* defined (__GCJ_CNI_H__) */
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#endif /* __cplusplus */
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#endif /* __GCJ_FIELD_H */