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go/test/fixedbugs/issue11656.dir/asm_ppc64.s

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test: workaround SIGILL on issue11656 on aix For some reason, aix sometimes executes the bogus function body. This should never happen as it lives in a no-execute section. It might be a transient permission blip as the heap grows. Add a small function to cleanup and synchronize the icache before jumping to the bogus function to ensure it causes a panic, not SIGILL. Fixes #44583 Change-Id: Iadca62d82bfb70fc62088705dac42a880a1208fa Reviewed-on: https://go-review.googlesource.com/c/go/+/377314 Trust: Bryan Mills <bcmills@google.com> Run-TryBot: Paul Murphy <murp@ibm.com> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Cherry Mui <cherryyz@google.com>
2022-01-10 09:57:16 -07:00
// Copyright 2022 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.
#include "textflag.h"
// func syncIcache(p uintptr)
TEXT main·syncIcache(SB), NOSPLIT|NOFRAME, $0-0
SYNC
MOVD (R3), R3
ICBI (R3)
ISYNC
RET
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