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changeset 22990:231481a06214

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8078482: ppc: pass thread to throw_AbstractMethodError Summary: Also improve check for Safepoints in signal handler. Reviewed-by: kvn, simonis
author goetz
date Wed, 29 Apr 2015 11:22:15 +0200
parents 915ca3e9d15e
children 157895117ad5
files src/cpu/ppc/vm/interpreter_ppc.cpp src/os_cpu/linux_ppc/vm/os_linux_ppc.cpp
diffstat 2 files changed, 11 insertions(+), 6 deletions(-) [+]
line wrap: on
line diff
--- a/src/cpu/ppc/vm/interpreter_ppc.cpp	Wed Apr 29 19:37:10 2015 -0400
+++ b/src/cpu/ppc/vm/interpreter_ppc.cpp	Wed Apr 29 11:22:15 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
@@ -459,7 +459,8 @@
 
   // 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();
--- a/src/os_cpu/linux_ppc/vm/os_linux_ppc.cpp	Wed Apr 29 19:37:10 2015 -0400
+++ b/src/os_cpu/linux_ppc/vm/os_linux_ppc.cpp	Wed Apr 29 11:22:15 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
@@ -290,6 +290,7 @@
         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())) {
@@ -305,7 +306,10 @@
                // 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)", p2i(pc));
         }