From df1f11433357c40c4ccbbcea5fa119a441f14ca6 Mon Sep 17 00:00:00 2001
From: green <green@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Thu, 6 Sep 2001 22:32:54 +0000
Subject:         * include/jvm.h: Declare _Jv_RegisterResource.         *
 gnu/gcj/Core.java, gnu/gcj/natCore.cc,        
 gnu/gcj/protocol/core/Connection.java,        
 gnu/gcj/protocol/core/Handler.java,        
 gnu/gcj/protocol/core/CoreInputStream.java,        
 gnu/gcj/protocol/core/natCoreInputStream.cc: New files.         *
 java/net/URL.java (setURLStreamHandler): Use        
 gnu.gcj.protocol.core.Handler for the core protocol.         *
 gnu/gcj/runtime/VMClassLoader.java (init): Add "core:/" to the         end of
 java.class.path.         * Makefile.am (ordinary_java_source_files): Add new
 java files.         (nat_source_files): Add new native code files.         *
 Makefile.in: Rebuilt.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45450 138bc75d-0d04-0410-961f-82ee72b054a4
---
 libjava/gnu/gcj/natCore.cc | 82 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100644 libjava/gnu/gcj/natCore.cc

(limited to 'libjava/gnu/gcj/natCore.cc')

diff --git a/libjava/gnu/gcj/natCore.cc b/libjava/gnu/gcj/natCore.cc
new file mode 100644
index 00000000000..8e7a0240527
--- /dev/null
+++ b/libjava/gnu/gcj/natCore.cc
@@ -0,0 +1,82 @@
+// natCore -- C++ side of Core
+
+/* Copyright (C) 2001  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.  */
+
+/* Author: Anthony Green <green@redhat.com>.  */
+
+#include <config.h>
+
+#include <gcj/cni.h>
+#include <jvm.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include <java/lang/NullPointerException.h>
+#include <java/io/IOException.h>
+#include <gnu/gcj/Core.h>
+
+typedef struct core_chain_struct
+{
+  int name_length;
+  const char *name;
+  int data_length;
+  const void *data;
+  
+  struct core_chain_struct *next;
+} core_chain;
+
+static core_chain *root;
+
+void _Jv_RegisterResource (void *vptr)
+{
+  char *rptr = (char *)vptr;
+
+  // These are permanent data structures for now.  This routine is
+  // called from a static constructor, so we shouldn't depend on too
+  // much existing infrastructure.
+  core_chain *cc = (core_chain *) malloc (sizeof (core_chain));
+
+  cc->name_length = ((int *)rptr)[0];
+  cc->data_length = ((int *)rptr)[1];
+  cc->name = rptr + 2*sizeof(int);
+  cc->data = cc->name + cc->name_length;
+
+  // Add this new item to the chain...
+  core_chain *old_root = root;
+  cc->next = old_root;
+  root = cc;
+}
+
+gnu::gcj::Core *
+gnu::gcj::Core::create (jstring name)
+{
+  char buf[name->length() + 1];
+  jsize total = JvGetStringUTFRegion (name, 0, name->length(), buf);
+  buf[total] = '\0';
+
+  core_chain *node = root;
+
+  while (node)
+    {
+      if (total == node->name_length
+	  && strncmp (buf, node->name, total) == 0)
+	{
+	  gnu::gcj::Core *core = 
+	    (gnu::gcj::Core *) _Jv_AllocObject(&gnu::gcj::Core::class$,
+					       sizeof (gnu::gcj::Core));
+	  core->ptr = (gnu::gcj::RawData *) node->data;
+	  core->length = node->data_length;
+	  return core;
+	}
+      else
+	node = node->next;
+    }
+
+  throw new java::io::IOException (JvNewStringLatin1 ("can't open core"));
+}
-- 
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