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From 1fa1097d45afa2fe2bfd989fbd90578f5c5fc540 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20Draszik?= <andre.draszik@jci.com>
Date: Mon, 13 Aug 2018 12:14:21 +0100
Subject: [PATCH] hotspot/aarch64: fix undefined behaviour (gcc v8 fix)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Backport patch from
http://hg.openjdk.java.net/aarch64-port/jdk8u/hotspot/rev/253b0c304db6
to address segfaults due to undefined behaviour.
|# HG changeset patch
|# User shade
|# Date 1526068247 -7200
|# Node ID 253b0c304db6d31be3d3d7cf7cf1b3561a16dc3a
|# Parent 1ced2ae00e35e6f855175fc44500b37fbac9e314
UB in os_linux_aarch64.cpp SpinPause
Reviewed-by: aph, shade, adinn
Signed-off-by: André Draszik <andre.draszik@jci.com>
Upstream-Status: Backport [http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/rev/ca4663e58916]
---
hotspot/src/os_cpu/linux_aarch64/vm/os_linux_aarch64.cpp | 1 +
1 file changed, 1 insertion(+)
diff --git a/hotspot/src/os_cpu/linux_aarch64/vm/os_linux_aarch64.cpp b/hotspot/src/os_cpu/linux_aarch64/vm/os_linux_aarch64.cpp
index 8b985693..f536817e 100644
--- a/hotspot/src/os_cpu/linux_aarch64/vm/os_linux_aarch64.cpp
+++ b/hotspot/src/os_cpu/linux_aarch64/vm/os_linux_aarch64.cpp
@@ -699,6 +699,7 @@ void os::verify_stack_alignment() {
extern "C" {
int SpinPause() {
+ return 0;
}
void _Copy_conjoint_jshorts_atomic(jshort* from, jshort* to, size_t count) {
--
2.18.0
|
