graal-compiler: src/share/vm/utilities/decoder.hpp annotate

annotate src/share/vm/utilities/decoder.hpp @ 4872:aa3d708d67c4

7141200: log some interesting information in ring buffers for crashes Reviewed-by: kvn, jrose, kevinw, brutisso, twisti, jmasa

author	never
date	Wed, 01 Feb 2012 07:59:01 -0800
parents	d7e3846464d0
children	db006a85bf91

rev	line source
2022 2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	1 /*
4803 d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
2022 2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	4 *
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	7 * published by the Free Software Foundation.
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	8 *
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	13 * accompanied this code).
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	14 *
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	18 *
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	20 * or visit www.oracle.com if you need additional information or have any
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	21 * questions.
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	22 *
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	23 */
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	24
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	25
4803 d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	26 #ifndef SHARE_VM_UTILITIES_DECODER_HPP
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	27 #define SHARE_VM_UTILITIES_DECODER_HPP
2022 2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	28
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	29 #include "memory/allocation.hpp"
4803 d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	30 #include "runtime/mutex.hpp"
2022 2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	31
4803 d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	32 class NullDecoder: public CHeapObj {
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	33 public:
2022 2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	34 // status code for decoding native C frame
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	35 enum decoder_status {
4803 d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	36 not_available = -10, // real decoder is not available
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	37 no_error = 0, // successfully decoded frames
2022 2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	38 out_of_memory, // out of memory
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	39 file_invalid, // invalid elf file
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	40 file_not_found, // could not found symbol file (on windows), such as jvm.pdb or jvm.map
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	41 helper_not_found, // could not load dbghelp.dll (Windows only)
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	42 helper_func_error, // decoding functions not found (Windows only)
4803 d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	43 helper_init_error // SymInitialize failed (Windows only)
2022 2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	44 };
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	45
4803 d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	46 NullDecoder() {
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	47 _decoder_status = not_available;
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	48 }
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	49
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	50 ~NullDecoder() {};
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	51
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	52 virtual bool decode(address pc, char* buf, int buflen, int* offset,
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	53 const char* modulepath = NULL) {
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	54 return false;
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	55 }
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	56
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	57 virtual bool demangle(const char* symbol, char* buf, int buflen) {
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	58 return false;
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	59 }
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	60
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	61 virtual bool can_decode_C_frame_in_vm() const {
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	62 return false;
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	63 }
2022 2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	64
4803 d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	65 virtual decoder_status status() const {
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	66 return _decoder_status;
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	67 }
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	68
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	69 virtual bool has_error() const {
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	70 return is_error(_decoder_status);
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	71 }
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	72
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	73 static bool is_error(decoder_status status) {
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	74 return (status > 0);
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	75 }
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	76
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	77 protected:
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	78 decoder_status _decoder_status;
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	79 };
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	80
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	81
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	82 class Decoder: AllStatic {
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	83 public:
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	84 static bool decode(address pc, char* buf, int buflen, int* offset, const char* modulepath = NULL);
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	85 static bool demangle(const char* symbol, char* buf, int buflen);
2022 2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	86 static bool can_decode_C_frame_in_vm();
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	87
4803 d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	88 static void shutdown();
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	89 protected:
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	90 static NullDecoder* get_decoder();
2022 2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	91
4803 d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	92 private:
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	93 static NullDecoder* _decoder;
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	94 static NullDecoder _do_nothing_decoder;
2022 2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	95
4803 d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	96 protected:
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	97 static Mutex* _decoder_lock;
2022 2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	98 };
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	99
4803 d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	100 #endif // SHARE_VM_UTILITIES_DECODER_HPP

Mercurial > hg > graal-compiler

annotate src/share/vm/utilities/decoder.hpp @ 4872:aa3d708d67c4