Current File : //usr/local/go/src/cmd/asm/internal/asm/testdata/amd64dynlinkerror.s
// Copyright 2021 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.
// Test to make sure that if we use R15 after it is clobbered by
// a global variable access while dynamic linking, we get an error.
// See issue 43661.
TEXT ·a1(SB), 0, $0-0
CMPL runtime·writeBarrier(SB), $0
MOVL $0, R15
RET
TEXT ·a2(SB), 0, $0-0
CMPL runtime·writeBarrier(SB), $0
MOVQ $0, R15
RET
TEXT ·a3(SB), 0, $0-0
CMPL runtime·writeBarrier(SB), $0
XORL R15, R15
RET
TEXT ·a4(SB), 0, $0-0
CMPL runtime·writeBarrier(SB), $0
XORQ R15, R15
RET
TEXT ·a5(SB), 0, $0-0
CMPL runtime·writeBarrier(SB), $0
XORL R15, R15
RET
TEXT ·a6(SB), 0, $0-0
CMPL runtime·writeBarrier(SB), $0
POPQ R15
PUSHQ R15
RET
TEXT ·a7(SB), 0, $0-0
CMPL runtime·writeBarrier(SB), $0
MOVQ R15, AX // ERROR "when dynamic linking, R15 is clobbered by a global variable access and is used here"
RET
TEXT ·a8(SB), 0, $0-0
CMPL runtime·writeBarrier(SB), $0
ADDQ AX, R15 // ERROR "when dynamic linking, R15 is clobbered by a global variable access and is used here"
RET
TEXT ·a9(SB), 0, $0-0
CMPL runtime·writeBarrier(SB), $0
ORQ R15, R15 // ERROR "when dynamic linking, R15 is clobbered by a global variable access and is used here"
RET
TEXT ·a10(SB), 0, $0-0
CMPL runtime·writeBarrier(SB), $0
JEQ one
ORQ R15, R15 // ERROR "when dynamic linking, R15 is clobbered by a global variable access and is used here"
one:
RET
TEXT ·a11(SB), 0, $0-0
CMPL runtime·writeBarrier(SB), $0
JEQ one
JMP two
one:
ORQ R15, R15 // ERROR "when dynamic linking, R15 is clobbered by a global variable access and is used here"
two:
RET
TEXT ·a12(SB), 0, $0-0
CMPL runtime·writeBarrier(SB), $0
JMP one
two:
ORQ R15, R15
RET
one:
MOVL $0, R15
JMP two
Mini Shell