src/hotspot/os_cpu/solaris_x86/thread_solaris_x86.hpp
changeset 47216 71c04702a3d5
parent 40644 39e631ed7145
child 49480 d7df2dd501ce
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/os_cpu/solaris_x86/thread_solaris_x86.hpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 1999, 2013, Oracle and/or its affiliates. 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
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef OS_CPU_SOLARIS_X86_VM_THREAD_SOLARIS_X86_HPP
+#define OS_CPU_SOLARIS_X86_VM_THREAD_SOLARIS_X86_HPP
+
+ private:
+  void pd_initialize()                           { _anchor.clear(); }
+
+  frame pd_last_frame() {
+    assert(has_last_Java_frame(), "must have last_Java_sp() when suspended");
+    vmassert(_anchor.last_Java_pc() != NULL, "not walkable");
+    return frame(_anchor.last_Java_sp(), _anchor.last_Java_fp(), _anchor.last_Java_pc());
+  }
+
+ public:
+  // Mutators are highly dangerous....
+  intptr_t* last_Java_fp()                       { return _anchor.last_Java_fp(); }
+  void  set_last_Java_fp(intptr_t* fp)           { _anchor.set_last_Java_fp(fp);   }
+
+  void set_base_of_stack_pointer(intptr_t* base_sp)  {}
+
+  static ByteSize last_Java_fp_offset()          {
+    return byte_offset_of(JavaThread, _anchor) + JavaFrameAnchor::last_Java_fp_offset();
+  }
+
+  intptr_t* base_of_stack_pointer()                  { return NULL; }
+  void record_base_of_stack_pointer()            {}
+
+  bool pd_get_top_frame_for_signal_handler(frame* fr_addr, void* ucontext,
+    bool isInJava);
+  bool pd_get_top_frame_for_profiling(frame* fr_addr, void* ucontext,
+    bool isInJava);
+private:
+  bool pd_get_top_frame(frame* fr_addr, void* ucontext,
+    bool isInJava);
+public:
+
+  // These routines are only used on cpu architectures that
+  // have separate register stacks (Itanium).
+  static bool register_stack_overflow() { return false; }
+  static void enable_register_stack_guard() {}
+  static void disable_register_stack_guard() {}
+
+#endif // OS_CPU_SOLARIS_X86_VM_THREAD_SOLARIS_X86_HPP