From 27e1aee7ef42cf280dacf77e7e8b6e1ebc3b79a0 Mon Sep 17 00:00:00 2001
From: stefan <stefan@315a16e6-25f9-4109-90ae-ca3045a26c18>
Date: Tue, 17 Aug 2010 10:25:50 +0000
Subject: [PATCH] - add missing files - update of the configure example

git-svn-id: http://svn.lfbs.rwth-aachen.de/svn/scc/trunk/MetalSVM@98 315a16e6-25f9-4109-90ae-ca3045a26c18
---
 include/metalsvm/config.h.example |  8 ++++
 include/stdarg.h                  | 35 +++++++++++++++
 libgloss/crt0.asm                 | 75 +++++++++++++++++++++++++++++++
 3 files changed, 118 insertions(+)
 create mode 100644 include/stdarg.h
 create mode 100644 libgloss/crt0.asm

diff --git a/include/metalsvm/config.h.example b/include/metalsvm/config.h.example
index 50ea4720..6c0e0501 100644
--- a/include/metalsvm/config.h.example
+++ b/include/metalsvm/config.h.example
@@ -62,6 +62,8 @@ extern "C" {
 #define HAVE_ARCH_MEMSET
 #define HAVE_ARCH_MEMCPY
 #define HAVE_ARCH_STRLEN
+#define HAVE_ARCH_STRCPY
+#define HAVE_ARCH_STRNCPY
 
 typedef unsigned long long uint64_t;
 typedef long long int64_t;
@@ -71,6 +73,12 @@ typedef unsigned short uint16_t;
 typedef short int16_t;
 typedef unsigned char uint8_t;
 typedef char int8_t;
+typedef unsigned short wchar_t;
+
+#ifndef _WINT_T
+#define _WINT_T
+typedef unsigned int wint_t;
+#endif
 
 #ifdef __cplusplus
 }
diff --git a/include/stdarg.h b/include/stdarg.h
new file mode 100644
index 00000000..a4089dad
--- /dev/null
+++ b/include/stdarg.h
@@ -0,0 +1,35 @@
+/* 
+ * Copyright 2010 Stefan Lankes, Chair for Operating Systems,
+ *                               RWTH Aachen University
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * This file is part of MetalSVM.
+ */
+
+#ifndef __ANSI_STDARG_H__
+#define __ANSI_STDARG_H__
+
+#include <metalsvm/stdarg.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define __VALIST 	va_list
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/libgloss/crt0.asm b/libgloss/crt0.asm
new file mode 100644
index 00000000..fd6d381c
--- /dev/null
+++ b/libgloss/crt0.asm
@@ -0,0 +1,75 @@
+; 
+; Copyright 2010 Stefan Lankes, Chair for Operating Systems,
+;                               RWTH Aachen University
+;
+; Licensed under the Apache License, Version 2.0 (the "License");
+; you may not use this file except in compliance with the License.
+; You may obtain a copy of the License at
+;
+;     http://www.apache.org/licenses/LICENSE-2.0
+;
+; Unless required by applicable law or agreed to in writing, software
+; distributed under the License is distributed on an "AS IS" BASIS,
+; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+; See the License for the specific language governing permissions and
+; limitations under the License.
+;
+; This file is part of metalsvm.
+
+[BITS 32]
+SECTION .data
+   cmdline DB "cmdline", 0
+   argv DD 0, 0
+
+SECTION .text
+global _start
+extern main
+extern __do_global_dtors
+extern __do_global_ctors
+extern hardware_init_hook
+extern software_init_hook
+extern atexit
+extern exit
+_start:
+   ; call init hooks, if any exists
+   lea eax, [hardware_init_hook]
+   cmp eax, 0
+   je	L1
+   call eax
+L1:
+   lea eax, [software_init_hook]
+   cmp eax, 0
+   je L2
+   call eax
+L2:
+   ; register a function to be called at normal process termination
+   push __do_global_dtors
+   call atexit
+   pop eax
+
+   ; call init function
+   call __do_global_ctors
+
+   ; build argc/argv pair and then push
+   ; them onto the stack...
+   mov [argv+0], DWORD cmdline
+   mov eax, [esp+4]
+   mov [argv+4], eax
+   push argv
+   push 2
+
+   ; call the user's function
+   call main
+
+   ; remove argc/argv pair
+   add esp, 8
+
+   ; call exit from the C library so atexit gets called, and the
+   ; C++ destructors get run. This calls our exit routine below    
+   ; when it's done.
+   ; call "exit"
+   push eax
+   call exit
+
+   ; endless loop
+   jmp $