linux-user/sparc/target_signal.h

   1 #ifndef SPARC_TARGET_SIGNAL_H
   2 #define SPARC_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_long 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      4096
  22 #define TARGET_SIGSTKSZ         16384
  23
  24 #ifndef UREG_I6
  25 #define UREG_I6        6
  26 #endif
  27 #ifndef UREG_FP
  28 #define UREG_FP        UREG_I6
  29 #endif
  30
  31 static inline abi_ulong get_sp_from_cpustate(CPUSPARCState *state)
  32 {
  33     return state->regwptr[UREG_FP];
  34 }
  35
  36
  37 #endif /* SPARC_TARGET_SIGNAL_H */