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/* Copyright (C) 1999-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library. If not, see
<https://www.gnu.org/licenses/>. */
#ifndef _SYS_USER_H
#define _SYS_USER_H 1
/* The whole purpose of this file is for gdb/strace and gdb/strace
only. Don't read too much into it. Don't use it for anything other
than gdb/strace unless you know what you are doing. */
#include <asm/reg.h>
#include <stddef.h>
struct user
{
unsigned long int regs[EF_SIZE / 8 + 32]; /* integer and fp regs */
size_t u_tsize; /* text size (pages) */
size_t u_dsize; /* data size (pages) */
size_t u_ssize; /* stack size (pages) */
unsigned long int start_code; /* text starting address */
unsigned long int start_data; /* data starting address */
unsigned long int start_stack; /* stack starting address */
long int signal; /* signal causing core dump */
struct regs *u_ar0; /* help gdb find registers */
unsigned long int magic; /* identifies a core file */
char u_comm[32]; /* user command name */
};
#define PAGE_SHIFT 13
#define PAGE_SIZE (1UL << PAGE_SHIFT)
#define PAGE_MASK (~(PAGE_SIZE-1))
#define NBPG PAGE_SIZE
#define UPAGES 1
#define HOST_TEXT_START_ADDR (u.start_code)
#define HOST_DATA_START_ADDR (u.start_data)
#define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG)
#endif /* sys/user.h */
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