src/cpu/ppc/vm/globals_ppc.hpp

rev 12364 : imported patch compilerGuardFix.patch

@@ -40,10 +40,13 @@
 define_pd_global(bool, TrapBasedNullChecks,   true);
 define_pd_global(bool, UncommonNullCast,      true);  // Uncommon-trap NULLs passed to check cast.
 
 #define DEFAULT_STACK_YELLOW_PAGES (2)
 #define DEFAULT_STACK_RED_PAGES (1)
+// Java_java_net_SocketOutputStream_socketWrite0() uses a 64k buffer on the
+// stack if compiled for unix and LP64. To pass stack overflow tests we need
+// 20 shadow pages.
 #define DEFAULT_STACK_SHADOW_PAGES (20 DEBUG_ONLY(+2))
 #define DEFAULT_STACK_RESERVED_PAGES (1)
 
 #define MIN_STACK_YELLOW_PAGES DEFAULT_STACK_YELLOW_PAGES
 #define MIN_STACK_RED_PAGES DEFAULT_STACK_RED_PAGES