From bd7bc63fac5851b1a1c7366a74504452578e237a Mon Sep 17 00:00:00 2001
From: Darien Raymond <admin@v2ray.com>
Date: Thu, 15 Nov 2018 21:16:43 +0100
Subject: [PATCH] prevent stack copy

---
 common/protocol/address.go | 1 +
 common/serial/serial.go    | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/common/protocol/address.go b/common/protocol/address.go
index 4f80e6c9..a3c628d4 100644
--- a/common/protocol/address.go
+++ b/common/protocol/address.go
@@ -226,6 +226,7 @@ func (p *addressParser) readAddress(b *buf.Buffer, reader io.Reader) (net.Addres
 	}
 }
 
+//go:nosplit
 func (p *addressParser) writeAddress(writer io.Writer, address net.Address) error {
 	tb := p.addrByteMap[address.Family()]
 	if tb == afInvalid {
diff --git a/common/serial/serial.go b/common/serial/serial.go
index c964db97..c2320bc9 100644
--- a/common/serial/serial.go
+++ b/common/serial/serial.go
@@ -9,6 +9,7 @@ import (
 )
 
 // ReadUint16 reads first two bytes from the reader, and then coverts them to an uint16 value.
+//go:nosplit
 func ReadUint16(reader io.Reader) (uint16, error) {
 	var b stack.TwoBytes
 	s := b[:]
@@ -22,6 +23,7 @@ func ReadUint16(reader io.Reader) (uint16, error) {
 }
 
 // WriteUint16 writes an uint16 value into writer.
+//go:nosplit
 func WriteUint16(writer io.Writer, value uint16) (int, error) {
 	var b stack.TwoBytes
 	s := b[:]
@@ -33,6 +35,7 @@ func WriteUint16(writer io.Writer, value uint16) (int, error) {
 }
 
 // WriteUint64 writes an uint64 value into writer.
+//go:nosplit
 func WriteUint64(writer io.Writer, value uint64) (int, error) {
 	var b stack.EightBytes
 	s := b[:]