linux-user/unicore32/target_signal.h

   1 /*
   2  * Copyright (C) 2010-2011 GUAN Xue-tao
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 as
   6  * published by the Free Software Foundation.
   7  */
   8 #ifndef TARGET_SIGNAL_H
   9 #define TARGET_SIGNAL_H
  10
  11 /* this struct defines a stack used during syscall handling */
  12 typedef struct target_sigaltstack {
  13     abi_ulong ss_sp;
  14     abi_ulong ss_flags;
  15     abi_ulong ss_size;
  16 } target_stack_t;
  17
  18 /*
  19  * sigaltstack controls
  20  */
  21 #define TARGET_SS_ONSTACK               1
  22 #define TARGET_SS_DISABLE               2
  23
  24 #define get_sp_from_cpustate(cpustate)  (cpustate->regs[29])
  25
  26 #endif /* TARGET_SIGNAL_H */