linux-user/x86_64/target_signal.h

   1 #ifndef X86_64_TARGET_SIGNAL_H
   2 #define X86_64_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      2048
  22 #define TARGET_SIGSTKSZ         8192
  23
  24 static inline abi_ulong get_sp_from_cpustate(CPUX86State *state)
  25 {
  26     return state->regs[R_ESP];
  27 }
  28 #endif /* X86_64_TARGET_SIGNAL_H */