include/asm-um/ptrace-x86_64.h

   1 /*
   2  * Copyright 2003 PathScale, Inc.
   3  *
   4  * Licensed under the GPL
   5  */
   6
   7 #ifndef __UM_PTRACE_X86_64_H
   8 #define __UM_PTRACE_X86_64_H
   9
  10 #include "linux/compiler.h"
  11 #include "asm/errno.h"
  12 #include "asm/host_ldt.h"
  13
  14 #define __FRAME_OFFSETS /* Needed to get the R* macros */
  15 #include "asm/ptrace-generic.h"
  16
  17 #define HOST_AUDIT_ARCH AUDIT_ARCH_X86_64
  18
  19 /* Also defined in sysdep/ptrace.h, so may already be defined. */
  20 #ifndef FS_BASE
  21 #define FS_BASE (21 * sizeof(unsigned long))
  22 #define GS_BASE (22 * sizeof(unsigned long))
  23 #define DS (23 * sizeof(unsigned long))
  24 #define ES (24 * sizeof(unsigned long))
  25 #define FS (25 * sizeof(unsigned long))
  26 #define GS (26 * sizeof(unsigned long))
  27 #endif
  28
  29 #define PT_REGS_RBX(r) UPT_RBX(&(r)->regs)
  30 #define PT_REGS_RCX(r) UPT_RCX(&(r)->regs)
  31 #define PT_REGS_RDX(r) UPT_RDX(&(r)->regs)
  32 #define PT_REGS_RSI(r) UPT_RSI(&(r)->regs)
  33 #define PT_REGS_RDI(r) UPT_RDI(&(r)->regs)
  34 #define PT_REGS_RBP(r) UPT_RBP(&(r)->regs)
  35 #define PT_REGS_RAX(r) UPT_RAX(&(r)->regs)
  36 #define PT_REGS_R8(r) UPT_R8(&(r)->regs)
  37 #define PT_REGS_R9(r) UPT_R9(&(r)->regs)
  38 #define PT_REGS_R10(r) UPT_R10(&(r)->regs)
  39 #define PT_REGS_R11(r) UPT_R11(&(r)->regs)
  40 #define PT_REGS_R12(r) UPT_R12(&(r)->regs)
  41 #define PT_REGS_R13(r) UPT_R13(&(r)->regs)
  42 #define PT_REGS_R14(r) UPT_R14(&(r)->regs)
  43 #define PT_REGS_R15(r) UPT_R15(&(r)->regs)
  44
  45 #define PT_REGS_FS(r) UPT_FS(&(r)->regs)
  46 #define PT_REGS_GS(r) UPT_GS(&(r)->regs)
  47 #define PT_REGS_DS(r) UPT_DS(&(r)->regs)
  48 #define PT_REGS_ES(r) UPT_ES(&(r)->regs)
  49 #define PT_REGS_SS(r) UPT_SS(&(r)->regs)
  50 #define PT_REGS_CS(r) UPT_CS(&(r)->regs)
  51
  52 #define PT_REGS_ORIG_RAX(r) UPT_ORIG_RAX(&(r)->regs)
  53 #define PT_REGS_RIP(r) UPT_IP(&(r)->regs)
  54 #define PT_REGS_RSP(r) UPT_SP(&(r)->regs)
  55
  56 #define PT_REGS_EFLAGS(r) UPT_EFLAGS(&(r)->regs)
  57
  58 /* XXX */
  59 #define user_mode(r) UPT_IS_USER(&(r)->regs)
  60 #define PT_REGS_ORIG_SYSCALL(r) PT_REGS_RAX(r)
  61 #define PT_REGS_SYSCALL_RET(r) PT_REGS_RAX(r)
  62
  63 #define PT_FIX_EXEC_STACK(sp) do ; while(0)
  64
  65 #define profile_pc(regs) PT_REGS_IP(regs)
  66
  67 static inline int ptrace_get_thread_area(struct task_struct *child, int idx,
  68                                          struct user_desc __user *user_desc)
  69 {
  70         return -ENOSYS;
  71 }
  72
  73 static inline int ptrace_set_thread_area(struct task_struct *child, int idx,
  74                                          struct user_desc __user *user_desc)
  75 {
  76         return -ENOSYS;
  77 }
  78
  79 static inline void arch_switch_to_tt(struct task_struct *from,
  80                                      struct task_struct *to)
  81 {
  82 }
  83
  84 extern void arch_switch_to_skas(struct task_struct *from,
  85                                 struct task_struct *to);
  86
  87 extern long arch_prctl_skas(struct task_struct *task, int code,
  88                             unsigned long __user *addr);
  89
  90 #endif