Files
2026-09-20 00:38:24 +02:00

22 lines
568 B
ArmAsm

// Copyright (c) 2026 Petr Balvín <opensource@petrbalvin.org> (https://petrbalvin.org)
// SPDX-License-Identifier: BSD-3-Clause
#include "textflag.h"
// func cleanAdd(a, b int64) int64
// A well-behaved function that preserves the goroutine pointer.
TEXT ·cleanAdd(SB), NOSPLIT, $0-24
MOV a+0(FP), X5
MOV b+8(FP), X6
ADD X5, X6, X5
MOV X5, ret+16(FP)
RET
// func dirtyG(a int64) int64
// Deliberately clobbers g, the goroutine pointer (X27; a serious ABI violation).
TEXT ·dirtyG(SB), NOSPLIT, $0-16
MOV $0x5678, g
MOV a+0(FP), X5
MOV X5, ret+8(FP)
RET