arch/um/sys-x86_64/shared/sysdep/ptrace_user.h

   1 /*
   2  * Copyright 2003 PathScale, Inc.
   3  *
   4  * Licensed under the GPL
   5  */
   6
   7 #ifndef __SYSDEP_X86_64_PTRACE_USER_H__
   8 #define __SYSDEP_X86_64_PTRACE_USER_H__
   9
  10 #define __FRAME_OFFSETS
  11 #include <sys/ptrace.h>
  12 #include <linux/ptrace.h>
  13 #include <asm/ptrace.h>
  14 #undef __FRAME_OFFSETS
  15 #include <generated/user_constants.h>
  16
  17 #define PT_INDEX(off) ((off) / sizeof(unsigned long))
  18
  19 #define PT_SYSCALL_NR(regs) ((regs)[PT_INDEX(ORIG_RAX)])
  20 #define PT_SYSCALL_NR_OFFSET (ORIG_RAX)
  21
  22 #define PT_SYSCALL_RET_OFFSET (RAX)
  23
  24 /*
  25  * x86_64 FC3 doesn't define this in /usr/include/linux/ptrace.h even though
  26  * it's defined in the kernel's include/linux/ptrace.h. Additionally, use the
  27  * 2.4 name and value for 2.4 host compatibility.
  28  */
  29 #ifndef PTRACE_OLDSETOPTIONS
  30 #define PTRACE_OLDSETOPTIONS 21
  31 #endif
  32
  33 #define REGS_IP_INDEX PT_INDEX(RIP)
  34 #define REGS_SP_INDEX PT_INDEX(RSP)
  35
  36 #define FP_SIZE (HOST_FP_SIZE)
  37
  38 #endif