File openjdk-6-src-b09-execstack.patch of Package java-1_6_0-openjdk
http://dev.gentooexperimental.org/~flameeyes/openjdk-patches/
"backported" to OpenJDK 6:
--- openjdk/hotspot/src/os_cpu/linux_amd64/vm/linux_amd64.s
+++ openjdk/hotspot/src/os_cpu/linux_amd64/vm/linux_amd64.s
@@ -401,3 +401,6 @@
addq $4,%rdx
jg 4b
ret
+
+.section .note.GNU-stack,"",%progbits
+
--- openjdk/hotspot/src/os_cpu/linux_i486/vm/linux_i486.s
+++ openjdk/hotspot/src/os_cpu/linux_i486/vm/linux_i486.s
@@ -651,3 +651,4 @@
popl %ebx
ret
+.section .note.GNU-stack,"",%progbits