From 8b9762e269c5276dce486d818327f451e2ac1e49 Mon Sep 17 00:00:00 2001
From: dbuck <unknown>
Date: Tue, 10 Apr 2018 14:52:33 -0700
Subject: [PATCH] 8187045: [linux] Not all libraries in the VM are linked with
 -z,noexecstack Reviewed-by: dholmes, erikj

---
 common/autoconf/generated-configure.sh | 11 ++++++-----
 common/autoconf/toolchain.m4           |  9 +++++----
 2 files changed, 11 insertions(+), 9 deletions(-)

diff --git a/common/autoconf/generated-configure.sh b/common/autoconf/generated-configure.sh
index a29a784..50fe868 100644
--- a/common/autoconf/generated-configure.sh
+++ b/common/autoconf/generated-configure.sh
@@ -3776,7 +3776,7 @@ fi
 
 
 #
-# Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -3912,7 +3912,7 @@ fi
 #CUSTOM_AUTOCONF_INCLUDE
 
 # Do not change or remove the following line, it is needed for consistency checks:
-DATE_WHEN_GENERATED=1521483882
+DATE_WHEN_GENERATED=1523388104
 
 ###############################################################################
 #
@@ -30178,9 +30178,10 @@ $as_echo "$supports" >&6; }
         LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker --hash-style=both "
       fi
       if test "x$OPENJDK_TARGET_OS" = xlinux; then
-        # And since we now know that the linker is gnu, then add -z defs, to forbid
-        # undefined symbols in object files.
-        LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -z -Xlinker defs"
+        # And since we now know that the linker is gnu, then add:
+        #   -z defs, to forbid undefined symbols in object files
+        #   -z noexecstack, to mark stack regions as non-executable
+        LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -z -Xlinker defs -Xlinker -z -Xlinker noexecstack"
         if test "x$DEBUG_LEVEL" = "xrelease"; then
           # When building release libraries, tell the linker optimize them.
           # Should this be supplied to the OSS linker as well?
diff --git a/common/autoconf/toolchain.m4 b/common/autoconf/toolchain.m4
index 1af8fa3..f8f32a3 100644
--- a/common/autoconf/toolchain.m4
+++ b/common/autoconf/toolchain.m4
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -1211,9 +1211,10 @@ AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_JDK],
         LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker --hash-style=both "
       fi
       if test "x$OPENJDK_TARGET_OS" = xlinux; then
-        # And since we now know that the linker is gnu, then add -z defs, to forbid
-        # undefined symbols in object files.
-        LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -z -Xlinker defs"
+        # And since we now know that the linker is gnu, then add:
+        #   -z defs, to forbid undefined symbols in object files
+        #   -z noexecstack, to mark stack regions as non-executable
+        LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -z -Xlinker defs -Xlinker -z -Xlinker noexecstack"
         if test "x$DEBUG_LEVEL" = "xrelease"; then
           # When building release libraries, tell the linker optimize them.
           # Should this be supplied to the OSS linker as well?
-- 
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