changeset 5141:badf4244ceae

8022183: GCC 4.6 change sdefault setting for omit-frame-pointer which breaks hotspot stack walking Summary: Explicitly specify -fno-omit-frame-pointer. Reviewed-by: coleenp, dholmes, dcubed
author hseigel
date Sun, 25 Aug 2013 21:21:18 -0400
parents cacc421f39d7
children faf2631b9334 4c84d351cca9
files make/linux/makefiles/amd64.make make/linux/makefiles/gcc.make
diffstat 2 files changed, 9 insertions(+), 7 deletions(-) [+]
line wrap: on
line diff
--- a/make/linux/makefiles/amd64.make	Fri Aug 23 10:39:15 2013 -0700
+++ b/make/linux/makefiles/amd64.make	Sun Aug 25 21:21:18 2013 -0400
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2003, 2013, 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
@@ -31,9 +31,4 @@
 
 CFLAGS += -D_LP64=1
 
-# The serviceability agent relies on frame pointer (%rbp) to walk thread stack
-ifndef USE_SUNCC
-  CFLAGS += -fno-omit-frame-pointer
-endif
-
 OPT_CFLAGS/compactingPermGenGen.o = -O1
--- a/make/linux/makefiles/gcc.make	Fri Aug 23 10:39:15 2013 -0700
+++ b/make/linux/makefiles/gcc.make	Sun Aug 25 21:21:18 2013 -0400
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 1999, 2013, 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
@@ -398,3 +398,10 @@
 ifdef MINIMIZE_RAM_USAGE
 CFLAGS += -DMINIMIZE_RAM_USAGE
 endif
+
+# Stack walking in the JVM relies on frame pointer (%rbp) to walk thread stack.
+# Explicitly specify -fno-omit-frame-pointer because it is off by default
+# starting with gcc 4.6.
+ifndef USE_SUNCC
+  CFLAGS += -fno-omit-frame-pointer
+endif