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44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
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/*
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* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/ptrace.h>
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#include <linux/export.h>
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/*-------------------------------------------------------------------------
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* APIs expected by various kernel sub-systems
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*-------------------------------------------------------------------------
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*/
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noinline void show_stacktrace(struct task_struct *tsk, struct pt_regs *regs)
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{
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pr_info("\nStack Trace: NOT Available\n");
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}
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EXPORT_SYMBOL(show_stacktrace);
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/* Expected by sched Code */
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void show_stack(struct task_struct *tsk, unsigned long *sp)
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{
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show_stacktrace(tsk, NULL);
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}
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/* Expected by Rest of kernel code */
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void dump_stack(void)
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{
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show_stacktrace(NULL, NULL);
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}
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EXPORT_SYMBOL(dump_stack);
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/* Another API expected by schedular, shows up in "ps" as Wait Channel
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* Ofcourse just returning schedule( ) would be pointless so unwind until
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* the function is not in schedular code
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*/
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unsigned int get_wchan(struct task_struct *tsk)
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{
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return 0;
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}
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