42 lines
867 B
C++
42 lines
867 B
C++
/*
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* \brief Backtrace helper utility
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* \date 2020-01-21
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* \author Stefan Kalkowski
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*/
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/*
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* Copyright (C) 2020 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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#ifndef _INCLUDE__SPEC__ARM_64__OS__BACKTRACE_H_
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#define _INCLUDE__SPEC__ARM_64__OS__BACKTRACE_H_
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#include <base/log.h>
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namespace Genode { void inline backtrace() __attribute__((always_inline)); }
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/**
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* Print frame pointer based backtrace
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*
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* To use this function compile your code with the -fno-omit-frame-pointer GCC
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* option.
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*/
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void inline Genode::backtrace()
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{
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addr_t * fp;
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asm volatile ("mov %0, x29" : "=r"(fp) ::);
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while (fp) {
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addr_t ip = fp[1];
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fp = (addr_t*) fp[0];
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Genode::log(Hex(ip));
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}
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}
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#endif /* _INCLUDE__SPEC__ARM_64__OS__BACKTRACE_H_ */
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