From a0c43a80469d816549aa93e2ad663af2c6a8e6cf Mon Sep 17 00:00:00 2001
From: Matthias Kruk <m@m10k.eu>
Date: Fri, 31 Jan 2020 20:23:55 +0900
Subject: [PATCH] Add fork and execfve syscall stubs to userspace libc

---
 libc/syscall.S | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/libc/syscall.S b/libc/syscall.S
index 7d53714..9efebd8 100644
--- a/libc/syscall.S
+++ b/libc/syscall.S
@@ -222,3 +222,26 @@ cxsendrecv:
 
 	popl    %ebx
 	ret
+
+.global fork
+fork:
+	pushl	%ebx
+
+	movl	$SYS_FORK, %eax
+	int		$SYSCALL_POSIX
+
+	popl	%ebx
+	ret
+
+.global execfve
+execfve:
+	pushl	%ebx
+
+	movl	$SYS_EXECFVE, %eax
+	movl	8(%esp), %ebx
+	movl	12(%esp), %ecx
+	movl	16(%esp), %edx
+	int		$SYSCALL_POSIX
+
+	popl	%ebx
+	ret
-- 
2.47.3