/*
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*
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* honggfuzz - architecture dependent code
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* -----------------------------------------
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*
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* Author: Robert Swiecki <swiecki@google.com>
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*
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* Copyright 2010-2018 by Google Inc. All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License. You may obtain
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* a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* permissions and limitations under the License.
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*
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*/
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#ifndef _HF_LINUX_UNWIND_H_
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#define _HF_LINUX_UNWIND_H_
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#include <linux/limits.h>
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#include <sys/types.h>
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/* String buffer size for function names in stack traces produced from libunwind */
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#define _HF_FUNC_NAME_SZ 256 // Should be alright for mangled C++ procs too
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#define _HF_MAX_FUNCS 80
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typedef struct {
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void* pc;
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/* If ASan custom parsing, function not available without symbolication */
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char func[_HF_FUNC_NAME_SZ];
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/*
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* If libuwind proc maps is used to retrieve map name
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* If ASan custom parsing it's retrieved from generated report file
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*/
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char mapName[PATH_MAX];
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/*
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* If libunwind + bfd symbolizer, line is actual symbol file line
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* If libunwind + custom (e.g. Android), line is offset from function symbol
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* If ASan custom parsing, line is offset from matching map load base address
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*/
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size_t line;
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} funcs_t;
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extern size_t arch_unwindStack(pid_t pid, funcs_t* funcs);
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extern char* arch_btContainsSymbol(
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size_t symbolsListSz, char** symbolsList, size_t num_frames, funcs_t* funcs);
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#endif
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