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-rw-r--r--libjava/gnu/gcj/util/natDebug.cc118
1 files changed, 118 insertions, 0 deletions
diff --git a/libjava/gnu/gcj/util/natDebug.cc b/libjava/gnu/gcj/util/natDebug.cc
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index 000000000..e2631b14a
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+++ b/libjava/gnu/gcj/util/natDebug.cc
@@ -0,0 +1,118 @@
+// natDebug -- C++ side of Debug
+
+/* Copyright (C) 2004 Free Software Foundation
+
+ 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. */
+
+#include <config.h>
+#include <stddef.h>
+#include <gcj/cni.h>
+#include <gcj/field.h>
+#include <gcj/javaprims.h>
+#include <java/lang/reflect/Field.h>
+#include <java/lang/Class.h>
+#include <java/lang/Byte.h>
+#include <java/lang/Short.h>
+#include <java/lang/Integer.h>
+#include <java/lang/Long.h>
+#include <java/lang/Float.h>
+#include <java/lang/Double.h>
+#include <java/lang/Boolean.h>
+#include <java/lang/Character.h>
+#include <java/lang/IllegalArgumentException.h>
+
+#include <gnu/gcj/util/Debug.h>
+
+jlong
+gnu::gcj::util::Debug::getAddr (::java::lang::Object *o)
+{
+ return (jlong)(size_t)o;
+}
+
+JArray< ::java::lang::reflect::Field *> *
+gnu::gcj::util::Debug::getDeclaredFields (::java::lang::Class *c)
+{
+ return c->getDeclaredFields (false);
+}
+
+static void *
+getField (::java::lang::Object *obj,
+ ::java::lang::reflect::Field *field)
+{
+ using namespace java::lang::reflect;
+
+ jfieldID fld = _Jv_FromReflectedField (field);
+ _Jv_ushort flags = fld->getModifiers();
+
+ if (flags & Modifier::STATIC)
+ {
+ jclass fldClass = field->getDeclaringClass ();
+ JvInitClass(fldClass);
+ return (void*) fld->u.addr;
+ }
+ else
+ {
+ return (void*) ((char*) obj + fld->getOffset ());
+ }
+}
+
+::java::lang::Object *
+gnu::gcj::util::Debug::getField (::java::lang::Object *o,
+ ::java::lang::reflect::Field *field)
+{
+ void *addr = ::getField (o, field);
+
+ jclass type = field->getType();
+ if (! type->isPrimitive ())
+ return * (jobject*) addr;
+ if (type == JvPrimClass (double))
+ return new ::java::lang::Double (* (jdouble*) addr);
+ if (type == JvPrimClass (float))
+ return new ::java::lang::Float (* (jfloat*) addr);
+ if (type == JvPrimClass (long))
+ return new ::java::lang::Long (* (jlong*) addr);
+ if (type == JvPrimClass (int))
+ return new ::java::lang::Integer (* (jint*) addr);
+ if (type == JvPrimClass (short))
+ return new ::java::lang::Short (* (jshort*) addr);
+ if (type == JvPrimClass (byte))
+ return new ::java::lang::Byte (* (jbyte*) addr);
+ if (type == JvPrimClass (char))
+ return new ::java::lang::Character (* (jchar*) addr);
+ if (type == JvPrimClass (boolean))
+ {
+ _Jv_InitClass (&::java::lang::Boolean::class$);
+ if (* (jboolean*) addr)
+ return ::java::lang::Boolean::TRUE;
+ else
+ return ::java::lang::Boolean::FALSE;
+ }
+ throw new ::java::lang::IllegalArgumentException;
+}
+
+/* A simple method of printing an object that can be called from a
+ debugger. */
+extern "C"
+void
+_Jv_Debug (void *p)
+{
+ (new ::gnu::gcj::util::Debug ())->write ((jobject)p);
+}
+
+extern "C"
+void
+_Jv_DeepDebug (void *p, int depth)
+{
+ (new ::gnu::gcj::util::Debug (depth))->write ((jobject)p);
+}
+
+extern "C"
+void
+_Jv_StaticDeepDebug (void *p, int depth)
+{
+ (new ::gnu::gcj::util::Debug (depth, true))->write ((jobject)p);
+}