From 0ed2f796d7723af8321f35d4ef5e6781ea41e36d Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Thu, 18 Aug 2022 14:11:31 +0200
Subject: syscall/fork: FORK_SHAREMEM for primitive "threads"

---
 src/user/lib/thread.S | 8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100644 src/user/lib/thread.S

(limited to 'src/user/lib/thread.S')

diff --git a/src/user/lib/thread.S b/src/user/lib/thread.S
new file mode 100644
index 0000000..3cd3500
--- /dev/null
+++ b/src/user/lib/thread.S
@@ -0,0 +1,8 @@
+.section .text
+.global chstack
+.type chstack, @function
+// _Noreturn void chstack(void *arg, void (*fn)(void*), void *esp);
+chstack:
+	mov %rdx, %rsp
+	call *%rsi
+	jmp 0 // "exit"
-- 
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