Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/um/sys-x86_64/shared/sysdep/ptrace_user.h
10820 views
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 "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_ARG1(regs) (((unsigned long *) (regs))[PT_INDEX(RDI)])

23
#define PT_SYSCALL_ARG1_OFFSET (RDI)

24


25
#define PT_SYSCALL_ARG2(regs) (((unsigned long *) (regs))[PT_INDEX(RSI)])

26
#define PT_SYSCALL_ARG2_OFFSET (RSI)

27


28
#define PT_SYSCALL_ARG3(regs) (((unsigned long *) (regs))[PT_INDEX(RDX)])

29
#define PT_SYSCALL_ARG3_OFFSET (RDX)

30


31
#define PT_SYSCALL_ARG4(regs) (((unsigned long *) (regs))[PT_INDEX(RCX)])

32
#define PT_SYSCALL_ARG4_OFFSET (RCX)

33


34
#define PT_SYSCALL_ARG5(regs) (((unsigned long *) (regs))[PT_INDEX(R8)])

35
#define PT_SYSCALL_ARG5_OFFSET (R8)

36


37
#define PT_SYSCALL_ARG6(regs) (((unsigned long *) (regs))[PT_INDEX(R9)])

38
#define PT_SYSCALL_ARG6_OFFSET (R9)

39


40
#define PT_SYSCALL_RET_OFFSET (RAX)

41


42
#define PT_IP_OFFSET (RIP)

43
#define PT_IP(regs) ((regs)[PT_INDEX(RIP)])

44


45
#define PT_SP_OFFSET (RSP)

46
#define PT_SP(regs) ((regs)[PT_INDEX(RSP)])

47


48
#define PT_ORIG_RAX_OFFSET (ORIG_RAX)

49
#define PT_ORIG_RAX(regs) ((regs)[PT_INDEX(ORIG_RAX)])

50


51
/*

52
 * x86_64 FC3 doesn't define this in /usr/include/linux/ptrace.h even though

53
 * it's defined in the kernel's include/linux/ptrace.h. Additionally, use the

54
 * 2.4 name and value for 2.4 host compatibility.

55
 */

56
#ifndef PTRACE_OLDSETOPTIONS

57
#define PTRACE_OLDSETOPTIONS 21

58
#endif

59


60
/*

61
 * These are before the system call, so the system call number is RAX

62
 * rather than ORIG_RAX, and arg4 is R10 rather than RCX

63
 */

64
#define REGS_SYSCALL_NR PT_INDEX(RAX)

65
#define REGS_SYSCALL_ARG1 PT_INDEX(RDI)

66
#define REGS_SYSCALL_ARG2 PT_INDEX(RSI)

67
#define REGS_SYSCALL_ARG3 PT_INDEX(RDX)

68
#define REGS_SYSCALL_ARG4 PT_INDEX(R10)

69
#define REGS_SYSCALL_ARG5 PT_INDEX(R8)

70
#define REGS_SYSCALL_ARG6 PT_INDEX(R9)

71


72
#define REGS_IP_INDEX PT_INDEX(RIP)

73
#define REGS_SP_INDEX PT_INDEX(RSP)

74


75
#define FP_SIZE (HOST_FP_SIZE)

76


77
#endif

78


79