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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/um/sys-i386/shared/sysdep/ptrace_user.h
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/* 

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 * Copyright (C) 2002 Jeff Dike ([email protected])

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 * Licensed under the GPL

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 */

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#ifndef __SYSDEP_I386_PTRACE_USER_H__

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#define __SYSDEP_I386_PTRACE_USER_H__

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#include <sys/ptrace.h>

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#include <linux/ptrace.h>

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#include <asm/ptrace.h>

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#include "user_constants.h"

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#define PT_OFFSET(r) ((r) * sizeof(long))

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#define PT_SYSCALL_NR(regs) ((regs)[ORIG_EAX])

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#define PT_SYSCALL_NR_OFFSET PT_OFFSET(ORIG_EAX)

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#define PT_SYSCALL_ARG1_OFFSET PT_OFFSET(EBX)

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#define PT_SYSCALL_ARG2_OFFSET PT_OFFSET(ECX)

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#define PT_SYSCALL_ARG3_OFFSET PT_OFFSET(EDX)

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#define PT_SYSCALL_ARG4_OFFSET PT_OFFSET(ESI)

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#define PT_SYSCALL_ARG5_OFFSET PT_OFFSET(EDI)

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#define PT_SYSCALL_ARG6_OFFSET PT_OFFSET(EBP)

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#define PT_SYSCALL_RET_OFFSET PT_OFFSET(EAX)

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#define REGS_SYSCALL_NR EAX /* This is used before a system call */

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#define REGS_SYSCALL_ARG1 EBX

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#define REGS_SYSCALL_ARG2 ECX

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#define REGS_SYSCALL_ARG3 EDX

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#define REGS_SYSCALL_ARG4 ESI

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#define REGS_SYSCALL_ARG5 EDI

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#define REGS_SYSCALL_ARG6 EBP

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#define REGS_IP_INDEX EIP

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#define REGS_SP_INDEX UESP

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#define PT_IP_OFFSET PT_OFFSET(EIP)

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#define PT_IP(regs) ((regs)[EIP])

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#define PT_SP_OFFSET PT_OFFSET(UESP)

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#define PT_SP(regs) ((regs)[UESP])

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#define FP_SIZE ((HOST_FPX_SIZE > HOST_FP_SIZE) ? HOST_FPX_SIZE : HOST_FP_SIZE)

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#ifndef FRAME_SIZE

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#define FRAME_SIZE (17)

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#endif

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#endif

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