golang l 代码
文件路径：/src/cmd/link/internal/riscv64/l.go
/ Copyright 2019 The Go Authors. All rights reserved.
/ Use of this source code is governed by a BSD-style
/ license that can be found in the LICENSE file.
package riscv64
const (
maxAlign = 32 / max data alignment
minAlign = 1
funcAlign = 8
dwarfRegLR = 1
dwarfRegSP = 2
)