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annotate libgo/misc/cgo/test/issue9400/asm_s390x.s @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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111
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1 // Copyright 2016 The Go Authors. All rights reserved.
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2 // Use of this source code is governed by a BSD-style
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3 // license that can be found in the LICENSE file.
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4
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5 // +build !gccgo
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6
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7 #include "textflag.h"
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8
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9 TEXT ·RewindAndSetgid(SB),NOSPLIT,$0-0
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10 // Rewind stack pointer so anything that happens on the stack
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11 // will clobber the test pattern created by the caller
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12 ADD $(1024 * 8), R15
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13
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14 // Ask signaller to setgid
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15 MOVD $·Baton(SB), R5
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16 MOVW $1, 0(R5)
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17
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18 // Wait for setgid completion
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19 loop:
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20 SYNC
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21 MOVW ·Baton(SB), R3
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22 CMPBNE R3, $0, loop
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23
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24 // Restore stack
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25 SUB $(1024 * 8), R15
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26 RET