# HG changeset patch # User coleenp # Date 1329256234 18000 # Node ID 28d91e43ab6d0acf323a30afa96aec484b21d0d4 # Parent 1891640ca63f557faf9a828c68a8241136067848 7145587: Stack overflows in Java code cause 64-bit JVMs to exit due to SIGSEGV (sparc version) Summary: Increase StackShadowPages to accomodate the JDK changes to increase buffer size in socketWrite Reviewed-by: acorn, phh, dcubed, kamg, dsamersoff diff -r 1891640ca63f -r 28d91e43ab6d src/cpu/sparc/vm/globals_sparc.hpp --- a/src/cpu/sparc/vm/globals_sparc.hpp Tue Feb 14 06:54:27 2012 -0800 +++ b/src/cpu/sparc/vm/globals_sparc.hpp Tue Feb 14 16:50:34 2012 -0500 @@ -56,14 +56,15 @@ // Stack slots are 2X larger in LP64 than in the 32 bit VM. define_pd_global(intx, ThreadStackSize, 1024); define_pd_global(intx, VMThreadStackSize, 1024); +define_pd_global(intx, StackShadowPages, 10 DEBUG_ONLY(+1)); #else define_pd_global(intx, ThreadStackSize, 512); define_pd_global(intx, VMThreadStackSize, 512); +define_pd_global(intx, StackShadowPages, 3 DEBUG_ONLY(+1)); #endif define_pd_global(intx, StackYellowPages, 2); define_pd_global(intx, StackRedPages, 1); -define_pd_global(intx, StackShadowPages, 3 DEBUG_ONLY(+1)); define_pd_global(intx, PreInflateSpin, 40); // Determined by running design center