diff src/cpu/x86/vm/nativeInst_x86.cpp @ 116:018d5b58dd4f

6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes Summary: Initial checkin of JSDT code Reviewed-by: acorn, sbohne
author kamg
date Thu, 17 Apr 2008 22:18:15 -0400
parents a61af66fc99e
children d1605aabd0a1
line wrap: on
line diff
--- a/src/cpu/x86/vm/nativeInst_x86.cpp	Wed Apr 16 17:36:29 2008 -0400
+++ b/src/cpu/x86/vm/nativeInst_x86.cpp	Thu Apr 17 22:18:15 2008 -0400
@@ -472,3 +472,7 @@
   else
     return addr_at(0) + length + sbyte_at(offset);
 }
+
+bool NativeInstruction::is_dtrace_trap() {
+  return (*(int32_t*)this & 0xff) == 0xcc;
+}