comparison src/os_cpu/linux_sparc/vm/os_linux_sparc.cpp @ 5903:da4be62fb889

7147740: add assertions to check stack alignment on VM entry from generated code (x64) Summary: check stack alignment on VM entry on x64. Reviewed-by: kvn, never
author roland
date Mon, 27 Feb 2012 09:17:44 +0100
parents 1d1603768966
children 716e6ef4482a
comparison
equal deleted inserted replaced
5902:c7987cbaf2ca 5903:da4be62fb889
754 size_t os::Linux::default_guard_size(os::ThreadType thr_type) { 754 size_t os::Linux::default_guard_size(os::ThreadType thr_type) {
755 // Creating guard page is very expensive. Java thread has HotSpot 755 // Creating guard page is very expensive. Java thread has HotSpot
756 // guard page, only enable glibc guard page for non-Java threads. 756 // guard page, only enable glibc guard page for non-Java threads.
757 return (thr_type == java_thread ? 0 : page_size()); 757 return (thr_type == java_thread ? 0 : page_size());
758 } 758 }
759
760 #ifndef PRODUCT
761 void os::verify_stack_alignment() {
762 }
763 #endif