92 lines
2.1 KiB
C
92 lines
2.1 KiB
C
|
/*
|
||
|
|
* Copyright (C) 2000, 2001 Jeff Dike (jdike@karaya.com)
|
||
|
|
* Licensed under the GPL
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "linux/slab.h"
|
||
|
|
#include "linux/smp_lock.h"
|
||
|
|
#include "linux/ptrace.h"
|
||
|
|
#include "asm/ptrace.h"
|
||
|
|
#include "asm/pgtable.h"
|
||
|
|
#include "asm/tlbflush.h"
|
||
|
|
#include "asm/uaccess.h"
|
||
|
|
#include "user_util.h"
|
||
|
|
#include "kern_util.h"
|
||
|
|
#include "mem_user.h"
|
||
|
|
#include "kern.h"
|
||
|
|
#include "irq_user.h"
|
||
|
|
#include "tlb.h"
|
||
|
|
#include "2_5compat.h"
|
||
|
|
#include "os.h"
|
||
|
|
#include "time_user.h"
|
||
|
|
#include "choose-mode.h"
|
||
|
|
#include "mode_kern.h"
|
||
|
|
|
||
|
|
void flush_thread(void)
|
||
|
|
{
|
||
|
|
CHOOSE_MODE(flush_thread_tt(), flush_thread_skas());
|
||
|
|
}
|
||
|
|
|
||
|
|
void start_thread(struct pt_regs *regs, unsigned long eip, unsigned long esp)
|
||
|
|
{
|
||
|
|
CHOOSE_MODE_PROC(start_thread_tt, start_thread_skas, regs, eip, esp);
|
||
|
|
}
|
||
|
|
|
||
|
|
extern void log_exec(char **argv, void *tty);
|
||
|
|
|
||
|
|
static long execve1(char *file, char __user * __user *argv,
|
||
|
|
char *__user __user *env)
|
||
|
|
{
|
||
|
|
long error;
|
||
|
|
|
||
|
|
#ifdef CONFIG_TTY_LOG
|
||
|
|
log_exec(argv, current->tty);
|
||
|
|
#endif
|
||
|
|
error = do_execve(file, argv, env, ¤t->thread.regs);
|
||
|
|
if (error == 0){
|
||
|
|
task_lock(current);
|
||
|
|
current->ptrace &= ~PT_DTRACE;
|
||
|
|
task_unlock(current);
|
||
|
|
set_cmdline(current_cmd());
|
||
|
|
}
|
||
|
|
return(error);
|
||
|
|
}
|
||
|
|
|
||
|
|
long um_execve(char *file, char __user *__user *argv, char __user *__user *env)
|
||
|
|
{
|
||
|
|
long err;
|
||
|
|
|
||
|
|
err = execve1(file, argv, env);
|
||
|
|
if(!err)
|
||
|
|
do_longjmp(current->thread.exec_buf, 1);
|
||
|
|
return(err);
|
||
|
|
}
|
||
|
|
|
||
|
|
long sys_execve(char *file, char __user *__user *argv,
|
||
|
|
char __user *__user *env)
|
||
|
|
{
|
||
|
|
long error;
|
||
|
|
char *filename;
|
||
|
|
|
||
|
|
lock_kernel();
|
||
|
|
filename = getname((char __user *) file);
|
||
|
|
error = PTR_ERR(filename);
|
||
|
|
if (IS_ERR(filename)) goto out;
|
||
|
|
error = execve1(filename, argv, env);
|
||
|
|
putname(filename);
|
||
|
|
out:
|
||
|
|
unlock_kernel();
|
||
|
|
return(error);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Overrides for Emacs so that we follow Linus's tabbing style.
|
||
|
|
* Emacs will notice this stuff at the end of the file and automatically
|
||
|
|
* adjust the settings for this buffer only. This must remain at the end
|
||
|
|
* of the file.
|
||
|
|
* ---------------------------------------------------------------------------
|
||
|
|
* Local variables:
|
||
|
|
* c-file-style: "linux"
|
||
|
|
* End:
|
||
|
|
*/
|