Implementing __printf. Setting libc_raw as default libc. Removing LIBC_STD mode.

2014-08-06 15:00:33 +04:00
parent 440a3c64a2
commit 084ca2325c
7 changed files with 812 additions and 197 deletions
@@ -23,10 +23,10 @@
 * mov %rax -> ret
 */
 #define SYSCALL_1( syscall_no, arg1, ret) \
-    __asm ( "syscall" \
-          : "=a" ( ret ) \
-          : "a" (syscall_no), "D" (arg1) \
-          : "rcx", "r11" );
+    __asm volatile ( "syscall" \
+                     : "=a" ( ret ) \
+                     : "a" (syscall_no), "D" (arg1) \
+                     : "rcx", "r11" );

 /*
 * mov syscall_no -> %rax
@@ -36,10 +36,10 @@
 * mov %rax -> ret
 */
 #define SYSCALL_2( syscall_no, arg1, arg2, ret) \
-    __asm ( "syscall" \
-          : "=a" ( ret ) \
-          : "a" (syscall_no), "D" (arg1), "S" (arg2) \
-          : "rcx", "r11" );
+    __asm volatile ( "syscall" \
+                     : "=a" ( ret ) \
+                     : "a" (syscall_no), "D" (arg1), "S" (arg2) \
+                     : "rcx", "r11" );

 /*
 * mov syscall_no -> %rax
@@ -50,10 +50,10 @@
 * mov %rax -> ret
 */
 #define SYSCALL_3( syscall_no, arg1, arg2, arg3, ret) \
-    __asm ( "syscall" \
-          : "=a" ( ret ) \
-          : "a" (syscall_no), "D" (arg1), "S" (arg2), "d" (arg3) \
-          : "rcx", "r11" );
+    __asm volatile ( "syscall" \
+                     : "=a" ( ret ) \
+                     : "a" (syscall_no), "D" (arg1), "S" (arg2), "d" (arg3) \
+                     : "rcx", "r11" );

 #define _START            \
   mov (%rsp), %rdi;      \