1 /*
 2  * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
 3  * Copyright (c) 2020, 2021, Huawei Technologies Co., Ltd. All rights reserved.
 4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 5  *
 6  * This code is free software; you can redistribute it and/or modify it
 7  * under the terms of the GNU General Public License version 2 only, as
 8  * published by the Free Software Foundation.
 9  *
10  * This code is distributed in the hope that it will be useful, but WITHOUT
11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
13  * version 2 for more details (a copy is included in the LICENSE file that
14  * accompanied this code).
15  *
16  * You should have received a copy of the GNU General Public License version
17  * 2 along with this work; if not, write to the Free Software Foundation,
18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19  *
20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21  * or visit www.oracle.com if you need additional information or have any
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25 
26 #ifndef OS_CPU_LINUX_RISCV_THREAD_LINUX_RISCV_HPP
27 #define OS_CPU_LINUX_RISCV_THREAD_LINUX_RISCV_HPP
28 
29  private:
30   void pd_initialize() {
31     _anchor.clear();
32   }
33 
34   frame pd_last_frame();
35 
36  public:
37   static ByteSize last_Java_fp_offset()          {
38     return byte_offset_of(JavaThread, _anchor) + JavaFrameAnchor::last_Java_fp_offset();
39   }
40 
41   bool pd_get_top_frame_for_signal_handler(frame* fr_addr, void* ucontext,
42     bool isInJava);
43 
44   bool pd_get_top_frame_for_profiling(frame* fr_addr, void* ucontext, bool isInJava);
45 private:
46   bool pd_get_top_frame(frame* fr_addr, void* ucontext, bool isInJava);
47 public:
48 
49   static Thread *riscv64_get_thread_helper();
50 
51 #endif // OS_CPU_LINUX_RISCV_THREAD_LINUX_RISCV_HPP