arch/x86/um/shared/sysdep/ptrace_64.h

   1 /*
   2  * Copyright 2003 PathScale, Inc.
   3  * Copyright (C) 2003 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
   4  *
   5  * Licensed under the GPL
   6  */
   7
   8 #ifndef __SYSDEP_X86_64_PTRACE_H
   9 #define __SYSDEP_X86_64_PTRACE_H
  10
  11 #define MAX_FP_NR HOST_FP_SIZE
  12
  13 #define REGS_R8(r) ((r)[HOST_R8])
  14 #define REGS_R9(r) ((r)[HOST_R9])
  15 #define REGS_R10(r) ((r)[HOST_R10])
  16 #define REGS_R11(r) ((r)[HOST_R11])
  17 #define REGS_R12(r) ((r)[HOST_R12])
  18 #define REGS_R13(r) ((r)[HOST_R13])
  19 #define REGS_R14(r) ((r)[HOST_R14])
  20 #define REGS_R15(r) ((r)[HOST_R15])
  21
  22 #define HOST_FS_BASE 21
  23 #define HOST_GS_BASE 22
  24 #define HOST_DS 23
  25 #define HOST_ES 24
  26 #define HOST_FS 25
  27 #define HOST_GS 26
  28
  29 /* Also defined in asm/ptrace-x86_64.h, but not in libc headers.  So, these
  30  * are already defined for kernel code, but not for userspace code.
  31  */
  32 #ifndef FS_BASE
  33 /* These aren't defined in ptrace.h, but exist in struct user_regs_struct,
  34  * which is what x86_64 ptrace actually uses.
  35  */
  36 #define FS_BASE (HOST_FS_BASE * sizeof(long))
  37 #define GS_BASE (HOST_GS_BASE * sizeof(long))
  38 #define DS (HOST_DS * sizeof(long))
  39 #define ES (HOST_ES * sizeof(long))
  40 #define FS (HOST_FS * sizeof(long))
  41 #define GS (HOST_GS * sizeof(long))
  42 #endif
  43
  44 #define UPT_R8(r) REGS_R8((r)->gp)
  45 #define UPT_R9(r) REGS_R9((r)->gp)
  46 #define UPT_R10(r) REGS_R10((r)->gp)
  47 #define UPT_R11(r) REGS_R11((r)->gp)
  48 #define UPT_R12(r) REGS_R12((r)->gp)
  49 #define UPT_R13(r) REGS_R13((r)->gp)
  50 #define UPT_R14(r) REGS_R14((r)->gp)
  51 #define UPT_R15(r) REGS_R15((r)->gp)
  52
  53 #define UPT_SYSCALL_ARG1(r) UPT_DI(r)
  54 #define UPT_SYSCALL_ARG2(r) UPT_SI(r)
  55 #define UPT_SYSCALL_ARG3(r) UPT_DX(r)
  56 #define UPT_SYSCALL_ARG4(r) UPT_R10(r)
  57 #define UPT_SYSCALL_ARG5(r) UPT_R8(r)
  58 #define UPT_SYSCALL_ARG6(r) UPT_R9(r)
  59
  60 static inline void arch_init_registers(int pid)
  61 {
  62 }
  63
  64 #endif