arthur.c
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:2k
- /*
- * linux/arch/arm/kernel/arthur.c
- *
- * Copyright (C) 1998, 1999, 2000, 2001 Philip Blundell
- *
- * Arthur personality
- */
- /*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
- #include <linux/module.h>
- #include <linux/personality.h>
- #include <linux/stddef.h>
- #include <linux/signal.h>
- #include <linux/sched.h>
- #include <linux/init.h>
- #include <asm/ptrace.h>
- /* Arthur doesn't have many signals, and a lot of those that it does
- have don't map easily to any Linux equivalent. Never mind. */
- #define ARTHUR_SIGABRT 1
- #define ARTHUR_SIGFPE 2
- #define ARTHUR_SIGILL 3
- #define ARTHUR_SIGINT 4
- #define ARTHUR_SIGSEGV 5
- #define ARTHUR_SIGTERM 6
- #define ARTHUR_SIGSTAK 7
- #define ARTHUR_SIGUSR1 8
- #define ARTHUR_SIGUSR2 9
- #define ARTHUR_SIGOSERROR 10
- static unsigned long arthur_to_linux_signals[32] = {
- 0, 1, 2, 3, 4, 5, 6, 7,
- 8, 9, 10, 11, 12, 13, 14, 15,
- 16, 17, 18, 19, 20, 21, 22, 23,
- 24, 25, 26, 27, 28, 29, 30, 31
- };
- static unsigned long linux_to_arthur_signals[32] = {
- 0, -1, ARTHUR_SIGINT, -1,
- ARTHUR_SIGILL, 5, ARTHUR_SIGABRT, 7,
- ARTHUR_SIGFPE, 9, ARTHUR_SIGUSR1, ARTHUR_SIGSEGV,
- ARTHUR_SIGUSR2, 13, 14, ARTHUR_SIGTERM,
- 16, 17, 18, 19,
- 20, 21, 22, 23,
- 24, 25, 26, 27,
- 28, 29, 30, 31
- };
- static void arthur_lcall7(int nr, struct pt_regs *regs)
- {
- struct siginfo info;
- info.si_signo = SIGSWI;
- info.si_errno = nr;
- /* Bounce it to the emulator */
- send_sig_info(SIGSWI, &info, current);
- }
- static struct exec_domain arthur_exec_domain = {
- "Arthur", /* name */
- arthur_lcall7,
- PER_RISCOS, PER_RISCOS,
- arthur_to_linux_signals,
- linux_to_arthur_signals,
- THIS_MODULE,
- NULL /* Nothing after this in the list. */
- };
- /*
- * We could do with some locking to stop Arthur being removed while
- * processes are using it.
- */
- int __init arthur_init(void)
- {
- return register_exec_domain(&arthur_exec_domain);
- }
- void __exit arthur_exit(void)
- {
- unregister_exec_domain(&arthur_exec_domain);
- }
- module_init(arthur_init);
- module_exit(arthur_exit);