qemu/linux-user/nios2/target_signal.h
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   1#ifndef TARGET_SIGNAL_H
   2#define TARGET_SIGNAL_H
   3
   4#include "cpu.h"
   5
   6/* this struct defines a stack used during syscall handling */
   7
   8typedef struct target_sigaltstack {
   9    abi_long ss_sp;
  10    abi_ulong ss_size;
  11    abi_long ss_flags;
  12} target_stack_t;
  13
  14/* sigaltstack controls  */
  15#define TARGET_SS_ONSTACK     1
  16#define TARGET_SS_DISABLE     2
  17
  18#define TARGET_MINSIGSTKSZ    2048
  19#define TARGET_SIGSTKSZ       8192
  20
  21static inline abi_ulong get_sp_from_cpustate(CPUNios2State *state)
  22{
  23    return state->regs[R_SP];
  24}
  25
  26#endif /* TARGET_SIGNAL_H */
  27