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