arch/um/sys-i386/shared/sysdep/ptrace_user.h

   1 /*
   2  * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
   3  * Licensed under the GPL
   4  */
   5
   6 #ifndef __SYSDEP_I386_PTRACE_USER_H__
   7 #define __SYSDEP_I386_PTRACE_USER_H__
   8
   9 #include <sys/ptrace.h>
  10 #include <linux/ptrace.h>
  11 #include <asm/ptrace.h>
  12 #include "user_constants.h"
  13
  14 #define PT_OFFSET(r) ((r) * sizeof(long))
  15
  16 #define PT_SYSCALL_NR(regs) ((regs)[ORIG_EAX])
  17 #define PT_SYSCALL_NR_OFFSET PT_OFFSET(ORIG_EAX)
  18
  19 #define PT_SYSCALL_ARG1_OFFSET PT_OFFSET(EBX)
  20 #define PT_SYSCALL_ARG2_OFFSET PT_OFFSET(ECX)
  21 #define PT_SYSCALL_ARG3_OFFSET PT_OFFSET(EDX)
  22 #define PT_SYSCALL_ARG4_OFFSET PT_OFFSET(ESI)
  23 #define PT_SYSCALL_ARG5_OFFSET PT_OFFSET(EDI)
  24 #define PT_SYSCALL_ARG6_OFFSET PT_OFFSET(EBP)
  25
  26 #define PT_SYSCALL_RET_OFFSET PT_OFFSET(EAX)
  27
  28 #define REGS_SYSCALL_NR EAX /* This is used before a system call */
  29 #define REGS_SYSCALL_ARG1 EBX
  30 #define REGS_SYSCALL_ARG2 ECX
  31 #define REGS_SYSCALL_ARG3 EDX
  32 #define REGS_SYSCALL_ARG4 ESI
  33 #define REGS_SYSCALL_ARG5 EDI
  34 #define REGS_SYSCALL_ARG6 EBP
  35
  36 #define REGS_IP_INDEX EIP
  37 #define REGS_SP_INDEX UESP
  38
  39 #define PT_IP_OFFSET PT_OFFSET(EIP)
  40 #define PT_IP(regs) ((regs)[EIP])
  41 #define PT_SP_OFFSET PT_OFFSET(UESP)
  42 #define PT_SP(regs) ((regs)[UESP])
  43
  44 #define FP_SIZE ((HOST_FPX_SIZE > HOST_FP_SIZE) ? HOST_FPX_SIZE : HOST_FP_SIZE)
  45
  46 #ifndef FRAME_SIZE
  47 #define FRAME_SIZE (17)
  48 #endif
  49
  50 #endif