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show_user_instructions() is a slightly modified version of show_instructions() that allows userspace instruction dump. This will be useful within show_signal_msg() to dump userspace instructions of the faulty location. Here is a sample of what show_user_instructions() outputs: pandafault[10850]: code: 4bfffeec 4bfffee8 3c401002 38427f00 fbe1fff8 f821ffc1 7c3f0b78 3d22fffe pandafault[10850]: code: 392988d0 f93f0020 e93f0020 39400048 <99490000> 39200000 7d234b78 383f0040 The current->comm and current->pid printed can serve as a glue that links the instructions dump to its originator, allowing messages to be interleaved in the logs. Signed-off-by: Murilo Opsfelder Araujo <muriloo@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
14 lines
297 B
C
14 lines
297 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Stack trace functions.
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*
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* Copyright 2018, Murilo Opsfelder Araujo, IBM Corporation.
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*/
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#ifndef _ASM_POWERPC_STACKTRACE_H
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#define _ASM_POWERPC_STACKTRACE_H
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void show_user_instructions(struct pt_regs *regs);
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#endif /* _ASM_POWERPC_STACKTRACE_H */
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