um: get rid of pointless include "..." where include <...> will do
[linux-2.6-block.git] / arch / um / kernel / exec.c
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1d3468a6 1/*
ba180fd4 2 * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
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3 * Licensed under the GPL
4 */
5
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6#include <linux/stddef.h>
7#include <linux/module.h>
8#include <linux/fs.h>
9#include <linux/ptrace.h>
10#include <linux/sched.h>
11#include <linux/slab.h>
12#include <asm/current.h>
13#include <asm/processor.h>
14#include <asm/uaccess.h>
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15#include <as-layout.h>
16#include <mem_user.h>
17#include <skas.h>
18#include <os.h>
ff64b4c1 19#include "internal.h"
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20
21void flush_thread(void)
22{
77bf4400 23 void *data = NULL;
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24 int ret;
25
aa6758d4 26 arch_flush_thread(&current->thread.arch);
77bf4400 27
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28 ret = unmap(&current->mm->context.id, 0, STUB_START, 0, &data);
29 ret = ret || unmap(&current->mm->context.id, STUB_END,
536788fe 30 host_task_size - STUB_END, 1, &data);
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31 if (ret) {
32 printk(KERN_ERR "flush_thread - clearing address space failed, "
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33 "err = %d\n", ret);
34 force_sig(SIGKILL, current);
35 }
36
6c738ffa 37 __switch_mm(&current->mm->context.id);
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38}
39
40void start_thread(struct pt_regs *regs, unsigned long eip, unsigned long esp)
41{
bf56d576 42 get_safe_registers(regs->regs.gp, regs->regs.fp);
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43 PT_REGS_IP(regs) = eip;
44 PT_REGS_SP(regs) = esp;
42459792 45 current->ptrace &= ~PT_DTRACE;
1d3468a6 46#ifdef SUBARCH_EXECVE1
42459792 47 SUBARCH_EXECVE1(regs->regs);
1d3468a6 48#endif
1da177e4 49}
42459792 50EXPORT_SYMBOL(start_thread);
1da177e4 51
cb1dcc0f 52long um_execve(const char *file, const char __user *const __user *argv, const char __user *const __user *env)
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53{
54 long err;
55
42459792 56 err = do_execve(file, argv, env, &current->thread.regs);
ba180fd4 57 if (!err)
fab95c55 58 UML_LONGJMP(current->thread.exec_buf, 1);
ba180fd4 59 return err;
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60}
61
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62long sys_execve(const char __user *file, const char __user *const __user *argv,
63 const char __user *const __user *env)
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64{
65 long error;
66 char *filename;
67
4d338e1a 68 filename = getname(file);
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69 error = PTR_ERR(filename);
70 if (IS_ERR(filename)) goto out;
42459792 71 error = do_execve(filename, argv, env, &current->thread.regs);
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72 putname(filename);
73 out:
ba180fd4 74 return error;
1da177e4 75}