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2bcd57ab61
* remove asm/atomic.h inclusion from linux/utsname.h -- not needed after kref conversion * remove linux/utsname.h inclusion from files which do not need it NOTE: it looks like fs/binfmt_elf.c do not need utsname.h, however due to some personality stuff it _is_ needed -- cowardly leave ELF-related headers and files alone. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
/*
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* arch/sh/kernel/sys_sh64.c
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*
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* Copyright (C) 2000, 2001 Paolo Alberelli
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*
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* This file contains various random system calls that
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* have a non-standard calling sequence on the Linux/SH5
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* platform.
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*/
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#include <linux/errno.h>
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#include <linux/rwsem.h>
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#include <linux/sched.h>
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#include <linux/mm.h>
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#include <linux/fs.h>
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#include <linux/smp.h>
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#include <linux/sem.h>
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#include <linux/msg.h>
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#include <linux/shm.h>
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#include <linux/stat.h>
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#include <linux/mman.h>
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#include <linux/file.h>
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#include <linux/syscalls.h>
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#include <linux/ipc.h>
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#include <asm/uaccess.h>
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#include <asm/ptrace.h>
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#include <asm/unistd.h>
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/*
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* Do a system call from kernel instead of calling sys_execve so we
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* end up with proper pt_regs.
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*/
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int kernel_execve(const char *filename, char *const argv[], char *const envp[])
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{
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register unsigned long __sc0 __asm__ ("r9") = ((0x13 << 16) | __NR_execve);
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register unsigned long __sc2 __asm__ ("r2") = (unsigned long) filename;
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register unsigned long __sc3 __asm__ ("r3") = (unsigned long) argv;
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register unsigned long __sc4 __asm__ ("r4") = (unsigned long) envp;
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__asm__ __volatile__ ("trapa %1 !\t\t\t execve(%2,%3,%4)"
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: "=r" (__sc0)
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: "r" (__sc0), "r" (__sc2), "r" (__sc3), "r" (__sc4) );
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__asm__ __volatile__ ("!dummy %0 %1 %2 %3"
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: : "r" (__sc0), "r" (__sc2), "r" (__sc3), "r" (__sc4) : "memory");
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return __sc0;
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}
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