Move syscall codes into separate file

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>

include/syscall-codes.h

+#ifndef CR_SYSCALL_CODES_H_
+#define CR_SYSCALL_CODES_H_
+
+#ifdef CONFIG_X86_64
+
+#define __NR_read		0
+#define __NR_write		1
+#define __NR_open		2
+#define __NR_close		3
+#define __NR_lseek		8
+#define __NR_mmap		9
+#define __NR_mprotect		10
+#define __NR_munmap		11
+#define __NR_brk		12
+#define __NR_mincore		27
+#define __NR_dup		32
+#define __NR_dup2		33
+#define __NR_pause		34
+#define __NR_nanosleep		35
+#define __NR_getpid		39
+#define __NR_exit		60
+
+#else /* CONFIG_X86_64 */
+# error x86-32 bit mode not yet implemented
+#endif /* CONFIG_X86_64 */
+
+#endif /* CR_SYSCALL_CODES_H_ */

include/syscall.h

@@ -4,6 +4,7 @@
 #include <sys/types.h>
 
 #include "compiler.h"
+#include "syscall-codes.h"
 
 #ifdef CONFIG_X86_64
 
@@ -98,26 +99,6 @@ static long syscall6(int nr, unsigned long arg0, unsigned long arg1,
 	return ret;
 }
 
-/*
- * syscall codes
- */
-#define __NR_read		0
-#define __NR_write		1
-#define __NR_open		2
-#define __NR_close		3
-#define __NR_lseek		8
-#define __NR_mmap		9
-#define __NR_mprotect		10
-#define __NR_munmap		11
-#define __NR_brk		12
-#define __NR_mincore		27
-#define __NR_dup		32
-#define __NR_dup2		33
-#define __NR_pause		34
-#define __NR_nanosleep		35
-#define __NR_getpid		39
-#define __NR_exit		60
-
 static unsigned long sys_pause(void)
 {
 	return syscall0(__NR_pause);