/* * Copyright 2010 Tilera Corporation. All Rights Reserved. * *   This program is free software; you can redistribute it and/or *   modify it under the terms of the GNU General Public License *   as published by the Free Software Foundation, version 2. * *   This program is distributed in the hope that it will be useful, but *   WITHOUT ANY WARRANTY; without even the implied warranty of *   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or *   NON INFRINGEMENT.  See the GNU General Public License for *   more details. */ #ifndef _ASM_TILE_STACK_H#define _ASM_TILE_STACK_H #include <linux/types.h>#include <linux/sched.h>#include <asm/backtrace.h>#include <asm/page.h>#include <hv/hypervisor.h> /* Everything we need to keep track of a backtrace iteration */struct KBacktraceIterator {	BacktraceIterator it;	struct task_struct *task;     /* task we are backtracing */	int end;		      /* iteration complete. */	int new_context;              /* new context is starting */	int profile;                  /* profiling, so stop on async intrpt */	int verbose;		      /* printk extra info (don't want to				       * do this for profiling) */	int is_current;               /* backtracing current task */}; /* Iteration methods for kernel backtraces */ /* * Initialize a KBacktraceIterator from a task_struct, and optionally from * a set of registers.  If the registers are omitted, the process is * assumed to be descheduled, and registers are read from the process's * thread_struct and stack.  "verbose" means to printk some additional * information about fault handlers as we pass them on the stack. */extern void KBacktraceIterator_init(struct KBacktraceIterator *kbt,				    struct task_struct *, struct pt_regs *); /* Initialize iterator based on current stack. */extern void KBacktraceIterator_init_current(struct KBacktraceIterator *kbt); /* Helper method for above. */extern void _KBacktraceIterator_init_current(struct KBacktraceIterator *kbt,				ulong pc, ulong lr, ulong sp, ulong r52); /* No more frames? */extern int KBacktraceIterator_end(struct KBacktraceIterator *kbt); /* Advance to the next frame. */extern void KBacktraceIterator_next(struct KBacktraceIterator *kbt); /* Dump just the contents of the pt_regs structure. */extern void tile_show_regs(struct pt_regs *); /* * Dump stack given complete register info. Use only from the * architecture-specific code; show_stack() * and dump_stack() are architecture-independent entry points. */extern void tile_show_stack(struct KBacktraceIterator *); #endif /* _ASM_TILE_STACK_H */