# HG changeset patch
# User goetz
# Date 1430125146 -7200
# Node ID 5845bd6da2457ef5935f11193e960897998ec49a
# Parent  15499ffd2d7c3a1be9ec29db3a3e14d442b40c38
8078482, PR2307: ppc: pass thread to throw_AbstractMethodError
Summary: Also improve check for Safepoints in signal handler.
Reviewed-by: kvn, simonis

diff -r 15499ffd2d7c -r 5845bd6da245 src/cpu/ppc/vm/interpreter_ppc.cpp
--- a/src/cpu/ppc/vm/interpreter_ppc.cpp	Tue Feb 03 11:32:50 2015 +0100
+++ b/src/cpu/ppc/vm/interpreter_ppc.cpp	Mon Apr 27 10:59:06 2015 +0200
@@ -1,6 +1,6 @@
 /*
- * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
- * Copyright 2012, 2014 SAP AG. All rights reserved.
+ * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2012, 2015 SAP AG. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -475,7 +475,8 @@
 
   // This is not a leaf but we have a JavaFrameAnchor now and we will
   // check (create) exceptions afterward so this is ok.
-  __ call_VM_leaf(CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_AbstractMethodError));
+  __ call_VM_leaf(CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_AbstractMethodError),
+                  R16_thread);
 
   // Pop the C frame and restore LR.
   __ pop_frame();
diff -r 15499ffd2d7c -r 5845bd6da245 src/os_cpu/linux_ppc/vm/os_linux_ppc.cpp
--- a/src/os_cpu/linux_ppc/vm/os_linux_ppc.cpp	Tue Feb 03 11:32:50 2015 +0100
+++ b/src/os_cpu/linux_ppc/vm/os_linux_ppc.cpp	Mon Apr 27 10:59:06 2015 +0200
@@ -1,6 +1,6 @@
 /*
- * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
- * Copyright 2012, 2013 SAP AG. All rights reserved.
+ * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2012, 2015 SAP AG. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -302,6 +302,7 @@
         goto report_and_die;
       }
 
+      CodeBlob *cb = NULL;
       // Handle signal from NativeJump::patch_verified_entry().
       if (( TrapBasedNotEntrantChecks && sig == SIGTRAP && nativeInstruction_at(pc)->is_sigtrap_zombie_not_entrant()) ||
           (!TrapBasedNotEntrantChecks && sig == SIGILL  && nativeInstruction_at(pc)->is_sigill_zombie_not_entrant())) {
@@ -316,7 +317,10 @@
                // especially when we try to read from the safepoint polling page. So the check
                //   (address)info->si_addr == os::get_standard_polling_page()
                // doesn't work for us. We use:
-               ((NativeInstruction*)pc)->is_safepoint_poll()) {
+               ((NativeInstruction*)pc)->is_safepoint_poll() &&
+               CodeCache::contains((void*) pc) &&
+               ((cb = CodeCache::find_blob(pc)) != NULL) &&
+               cb->is_nmethod()) {
         if (TraceTraps)
           tty->print_cr("trap: safepoint_poll at " INTPTR_FORMAT " (SIGSEGV)", pc);
         stub = SharedRuntime::get_poll_stub(pc);