linux-user/mips/target_signal.h

   1 #ifndef MIPS_TARGET_SIGNAL_H
   2 #define MIPS_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_long ss_sp;
  10         abi_ulong ss_size;
  11         abi_long ss_flags;
  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(CPUMIPSState *state)
  25 {
  26     return state->active_tc.gpr[29];
  27 }
  28
  29 #if defined(TARGET_ABI_MIPSO32)
  30 /* compare linux/arch/mips/kernel/signal.c:setup_frame() */
  31 #define TARGET_ARCH_HAS_SETUP_FRAME
  32 #endif
  33 #endif /* MIPS_TARGET_SIGNAL_H */