qemu/linux-user/i386/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_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
  24static inline abi_ulong get_sp_from_cpustate(CPUX86State *state)
  25{
  26    return state->regs[R_ESP];
  27}
  28
  29#endif /* TARGET_SIGNAL_H */
  30