setjmp.h

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#ifndef _SETJMP_H_
#define _SETJMP_H_
 
struct __jmp_buf_tag {
  void *ret_addr;
  char s;
  void *sp;
  char csrs[14];
};
 
typedef struct __jmp_buf_tag jmp_buf[1];
 
// Using preserve-none means that setjmp is only responsible for saving reserved
// registers: FP, SP, and S.
__attribute__((preserve_none, leaf)) int setjmp(jmp_buf src);
void longjmp(jmp_buf dst, int arg);
 
#endif // not _SETJMP_H_