agent/src/share/classes/sun/jvm/hotspot/debugger/linux/LinuxCDebugger.java

rev 8073 : 8078521: AARCH64: Add AArch64 SA support
Reviewed-by: kvn

@@ -1,7 +1,8 @@
 /*
  * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, Red Hat Inc.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.

@@ -29,16 +30,18 @@
 
 import sun.jvm.hotspot.debugger.*;
 import sun.jvm.hotspot.debugger.cdbg.*;
 import sun.jvm.hotspot.debugger.x86.*;
 import sun.jvm.hotspot.debugger.amd64.*;
+import sun.jvm.hotspot.debugger.aarch64.*;
 import sun.jvm.hotspot.debugger.sparc.*;
 import sun.jvm.hotspot.debugger.ppc64.*;
 import sun.jvm.hotspot.debugger.linux.x86.*;
 import sun.jvm.hotspot.debugger.linux.amd64.*;
 import sun.jvm.hotspot.debugger.linux.sparc.*;
 import sun.jvm.hotspot.debugger.linux.ppc64.*;
+import sun.jvm.hotspot.debugger.linux.aarch64.*;
 import sun.jvm.hotspot.utilities.*;
 
 class LinuxCDebugger implements CDebugger {
   private LinuxDebugger dbg;
 

@@ -104,10 +107,17 @@
         Address sp = context.getRegisterAsAddress(PPC64ThreadContext.SP);
         if (sp == null) return null;
         Address pc  = context.getRegisterAsAddress(PPC64ThreadContext.PC);
         if (pc == null) return null;
         return new LinuxPPC64CFrame(dbg, sp, pc, LinuxDebuggerLocal.getAddressSize());
+    } else if (cpu.equals("aarch64")) {
+       AARCH64ThreadContext context = (AARCH64ThreadContext) thread.getContext();
+       Address fp = context.getRegisterAsAddress(AARCH64ThreadContext.FP);
+       if (fp == null) return null;
+       Address pc  = context.getRegisterAsAddress(AARCH64ThreadContext.PC);
+       if (pc == null) return null;
+       return new LinuxAARCH64CFrame(dbg, fp, pc);
      } else {
        // Runtime exception thrown by LinuxThreadContextFactory if unknown cpu
        ThreadContext context = (ThreadContext) thread.getContext();
        return context.getTopFrame(dbg);
     }