diff options
Diffstat (limited to 'system/x86_64/unified.S')
| -rw-r--r-- | system/x86_64/unified.S | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/system/x86_64/unified.S b/system/x86_64/unified.S new file mode 100644 index 0000000..c4dff7d --- /dev/null +++ b/system/x86_64/unified.S @@ -0,0 +1,27 @@ +#define SYS_exit 0x3c + +.text +.weak exit +exit: +.global _exit +_exit: + mov $SYS_exit,%al + +.global __unified_syscall +__unified_syscall: + movzbl %al, %eax + mov %rcx, %r10 + syscall + cmpq $-128, %rax + jbe .Lnoerror + negl %eax + pushq %rax + call __errno_location + popq %rcx + movl %ecx,(%rax) + orq $-1, %rax +.Lnoerror: + + ret +.Lhere: + .size __unified_syscall,.Lhere-__unified_syscall |