Mercurial > hg > truffle
changeset 12108: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(-) [+] |
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--- 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