1/* 2 * Copyright 2003 PathScale, Inc. 3 * 4 * Licensed under the GPL 5 */ 6 7#ifndef __SYSDEP_X86_64_SIGCONTEXT_H 8#define __SYSDEP_X86_64_SIGCONTEXT_H 9 10#include <sysdep/sc.h> 11 12#define IP_RESTART_SYSCALL(ip) ((ip) -= 2) 13 14#define SC_RESTART_SYSCALL(sc) IP_RESTART_SYSCALL(SC_IP(sc)) 15#define SC_SET_SYSCALL_RETURN(sc, result) SC_RAX(sc) = (result) 16 17#define SC_FAULT_ADDR(sc) SC_CR2(sc) 18#define SC_FAULT_TYPE(sc) SC_ERR(sc) 19 20#define GET_FAULTINFO_FROM_SC(fi,sc) \ 21 { \ 22 (fi).cr2 = SC_CR2(sc); \ 23 (fi).error_code = SC_ERR(sc); \ 24 (fi).trap_no = SC_TRAPNO(sc); \ 25 } 26 27/* ptrace expects that, at the start of a system call, %eax contains 28 * -ENOSYS, so this makes it so. 29 */ 30 31#define SC_START_SYSCALL(sc) do SC_RAX(sc) = -ENOSYS; while(0) 32 33/* This is Page Fault */ 34#define SEGV_IS_FIXABLE(fi) ((fi)->trap_no == 14) 35 36/* No broken SKAS API, which doesn't pass trap_no, here. */ 37#define SEGV_MAYBE_FIXABLE(fi) 0 38 39extern unsigned long *sc_sigmask(void *sc_ptr); 40 41#endif 42 43/* 44 * Overrides for Emacs so that we follow Linus's tabbing style. 45 * Emacs will notice this stuff at the end of the file and automatically 46 * adjust the settings for this buffer only. This must remain at the end 47 * of the file. 48 * --------------------------------------------------------------------------- 49 * Local variables: 50 * c-file-style: "linux" 51 * End: 52 */ 53