linux-user/aarch64/target_signal.h

   1 #ifndef AARCH64_TARGET_SIGNAL_H
   2 #define AARCH64_TARGET_SIGNAL_H
   3
   4 #include "cpu.h"
   5
   6 /* this struct defines a stack used during syscall handling */
   7
   8 typedef struct target_sigaltstack {
   9     abi_ulong ss_sp;
  10     abi_int ss_flags;
  11     abi_ulong ss_size;
  12 } target_stack_t;
  13
  14
  15 /*
  16  * sigaltstack controls
  17  */
  18 #define TARGET_SS_ONSTACK 1
  19 #define TARGET_SS_DISABLE 2
  20
  21 #define TARGET_MINSIGSTKSZ 2048
  22 #define TARGET_SIGSTKSZ 8192
  23
  24 static inline abi_ulong get_sp_from_cpustate(CPUARMState *state)
  25 {
  26    return state->xregs[31];
  27 }
  28
  29 #endif /* AARCH64_TARGET_SIGNAL_H */