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/* MN10300 User process data
*
* Copyright (C) 2007 Matsushita Electric Industrial Co., Ltd.
* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public Licence
* as published by the Free Software Foundation; either version
* 2 of the Licence, or (at your option) any later version.
*/
#ifndef _ASM_USER_H
#define _ASM_USER_H
#include <asm/page.h>
#include <linux/ptrace.h>
#ifndef __ASSEMBLY__
/*
* When the kernel dumps core, it starts by dumping the user struct - this will
* be used by gdb to figure out where the data and stack segments are within
* the file, and what virtual addresses to use.
*/
struct user {
/* We start with the registers, to mimic the way that "memory" is
* returned from the ptrace(3,...) function.
*/
struct pt_regs regs; /* Where the registers are actually stored */
/* The rest of this junk is to help gdb figure out what goes where */
unsigned long int u_tsize; /* Text segment size (pages). */
unsigned long int u_dsize; /* Data segment size (pages). */
unsigned long int u_ssize; /* Stack segment size (pages). */
unsigned long start_code; /* Starting virtual address of text. */
unsigned long start_stack; /* Starting virtual address of stack area.
This is actually the bottom of the stack,
the top of the stack is always found in the
esp register. */
long int signal; /* Signal that caused the core dump. */
int reserved; /* No longer used */
struct user_pt_regs *u_ar0; /* Used by gdb to help find the values for */
/* the registers */
unsigned long magic; /* To uniquely identify a core file */
char u_comm[32]; /* User command that was responsible */
};
#endif
#define NBPG PAGE_SIZE
#define UPAGES 1
#define HOST_TEXT_START_ADDR +(u.start_code)
#define HOST_STACK_END_ADDR +(u.start_stack + u.u_ssize * NBPG)
#endif /* _ASM_USER_H */
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