From: AceVest <zhaoyanbai@126.com>
Date: Sat, 18 Oct 2014 12:25:01 +0000 (+0800)
Subject: add exit support
X-Git-Url: http://zhaoyanbai.com/repos/?a=commitdiff_plain;h=9eb9373ad6544a6ddba7f34889fe772f689f8eea;p=kernel.git

add exit support
---

diff --git a/bin/hello.c b/bin/hello.c
index 07043e9..0fb8a96 100644
--- a/bin/hello.c
+++ b/bin/hello.c
@@ -15,7 +15,6 @@
 int main()
 {
     printf("hello world\n");
-    exit(0);
 
     return 0;
 }
diff --git a/lib/libc.S b/lib/libc.S
index ea20738..bffe2c5 100644
--- a/lib/libc.S
+++ b/lib/libc.S
@@ -1,4 +1,5 @@
 .extern main
+.extern exit
 .global _start
 
 _start:
@@ -9,30 +10,18 @@ _start:
     nop
     nop
 
-/*
-    movl $11, %eax;
-
-    pushl $1f;
-    pushl %ecx;
-    pushl %edx;
-    pushl %ebp;
-    movl %esp,%ebp;
-    sysenter;
-    1:
-
-loop:
-    jmp loop
-    */
-
-
     pushl   $0xAAAAAAAA
+    pushl   $0x22222222
     pushl   $0x11111111
 
     call main
 
-
     addl    $12, %esp
 
+    pushl   $0
+    call    exit
+    addl    $4, %esp
+
     nop
     nop
     nop