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author | Tom Tromey <tromey@cygnus.com> | 1999-09-10 22:03:10 +0000 |
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committer | Tom Tromey <tromey@gcc.gnu.org> | 1999-09-10 22:03:10 +0000 |
commit | 27e934d8bae03ea7eddeb3770641440333a71478 (patch) | |
tree | 2d703bb5c0f735c114d35388f4ce82a2a194fe18 /libjava/gcj/field.h | |
parent | 512d594b4f7945440be373bf14c6af8b88c91749 (diff) | |
download | gcc-27e934d8bae03ea7eddeb3770641440333a71478.zip gcc-27e934d8bae03ea7eddeb3770641440333a71478.tar.gz gcc-27e934d8bae03ea7eddeb3770641440333a71478.tar.bz2 |
configure: Rebuilt.
* configure: Rebuilt.
* configure.in: Build include/Makefile.
* Makefile.in: Rebuilt.
* Makefile.am (SUBDIRS): Added gcj and include.
(install-data-local): New target.
(extra_headers): New macro.
* include/Makefile.in: New file.
* include/Makefile.am: New file.
* interpret.cc: Don't include gcj/field.h or gcj/cni.h.
* java/lang/reflect/natField.cc: Don't include gcj/field.h or
gcj/cni.h.
* boehm.cc: Don't include java-threads.h or gcj/field.h.
* resolve.cc: Include config.h.
* defineclass.cc: Include config.h.
* include/java-interp.h: Don't include config.h.
* include/jvm.h: Include java-threads.h, Object.h, java-gc.h,
cni.h.
* gcj/javaprims.h: Regenerated namespace decls.
* classes.pl (scan): Don't put `;' after closing brace.
* Makefile.in: Rebuilt.
* Makefile.am (INCLUDES): Added -I for top_srcdir.
* configure.in: Create gcj/Makefile.
* gcj/Makefile.in: New file.
* gcj/Makefile.am: New file.
* java/lang/Object.h: Don't include any other headers.
* gcj/array.h: Renamed from include/java-array.h.
* gcj/field.h: Renamed from include/java-field.h.
* gcj/method.h: Renamed from include/java-method.h.
* gcj/cni.h, gcj/javaprims.h: Moved from include/.
Updated all files to reflect new include structure.
From-SVN: r29278
Diffstat (limited to 'libjava/gcj/field.h')
-rw-r--r-- | libjava/gcj/field.h | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/libjava/gcj/field.h b/libjava/gcj/field.h new file mode 100644 index 0000000..07cb4f8 --- /dev/null +++ b/libjava/gcj/field.h @@ -0,0 +1,169 @@ +// 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 __GCJ_FIELD_H__ +#define __GCJ_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 __GCJ_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 (__GCJ_CNI_H__) */ + +#endif + +#endif /* __GCJ_FIELD_H */ |