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authorTom Tromey <tromey@cygnus.com>1999-09-10 22:03:10 +0000
committerTom Tromey <tromey@gcc.gnu.org>1999-09-10 22:03:10 +0000
commit27e934d8bae03ea7eddeb3770641440333a71478 (patch)
tree2d703bb5c0f735c114d35388f4ce82a2a194fe18 /libjava/gcj/field.h
parent512d594b4f7945440be373bf14c6af8b88c91749 (diff)
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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.h169
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 */