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Linux/Alpha specific definitions to access information passed up from the

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kernel.
This commit is contained in:
Ulrich Drepper 1999-09-03 07:08:11 +00:00
parent 876914479a
commit f908ea6c85
1 changed files with 50 additions and 0 deletions
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sysdeps/unix/sysv/linux/alpha/sys/user.h Normal file
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/* Copyright (C) 1999 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#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/page.h>
#include <asm/reg.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 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 */