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mirror of https://github.com/chai2010/advanced-go-programming-book.git synced 2025-05-24 12:32:21 +00:00
2018-12-27 08:13:57 +08:00

23 lines
625 B
ArmAsm

// Copyright © 2018 ChaiShushan <chaishushan{AT}gmail.com>.
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
#include "textflag.h"
TEXT ·ptrToFunc(SB), NOSPLIT, $0-16
MOVQ ptr+0(FP), AX // AX = ptr
MOVQ AX, ret+8(FP) // return AX
RET
TEXT ·asmFunTwiceClosureAddr(SB), NOSPLIT, $0-8
LEAQ ·asmFunTwiceClosureBody(SB), AX // AX = ·asmFunTwiceClosureBody(SB)
MOVQ AX, ret+0(FP) // return AX
RET
TEXT ·asmFunTwiceClosureBody(SB), NOSPLIT|NEEDCTXT, $0-8
MOVQ 8(DX), AX
ADDQ AX , AX // AX *= 2
MOVQ AX , 8(DX) // ctx.X = AX
MOVQ AX , ret+0(FP) // return AX
RET