Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/x86/kernel/asm-offsets_64.c
10818 views
1
#include <asm/ia32.h>

2


3
#define __NO_STUBS 1

4
#undef __SYSCALL

5
#undef _ASM_X86_UNISTD_64_H

6
#define __SYSCALL(nr, sym) [nr] = 1,

7
static char syscalls[] = {

8
#include <asm/unistd.h>

9
};

10


11
int main(void)

12
{

13
#ifdef CONFIG_PARAVIRT

14
	OFFSET(PV_IRQ_adjust_exception_frame, pv_irq_ops, adjust_exception_frame);

15
	OFFSET(PV_CPU_usergs_sysret32, pv_cpu_ops, usergs_sysret32);

16
	OFFSET(PV_CPU_usergs_sysret64, pv_cpu_ops, usergs_sysret64);

17
	OFFSET(PV_CPU_swapgs, pv_cpu_ops, swapgs);

18
	BLANK();

19
#endif

20


21
#ifdef CONFIG_IA32_EMULATION

22
	OFFSET(TI_sysenter_return, thread_info, sysenter_return);

23
	BLANK();

24


25
#define ENTRY(entry) OFFSET(IA32_SIGCONTEXT_ ## entry, sigcontext_ia32, entry)

26
	ENTRY(ax);

27
	ENTRY(bx);

28
	ENTRY(cx);

29
	ENTRY(dx);

30
	ENTRY(si);

31
	ENTRY(di);

32
	ENTRY(bp);

33
	ENTRY(sp);

34
	ENTRY(ip);

35
	BLANK();

36
#undef ENTRY

37


38
	OFFSET(IA32_RT_SIGFRAME_sigcontext, rt_sigframe_ia32, uc.uc_mcontext);

39
	BLANK();

40
#endif

41


42
#define ENTRY(entry) OFFSET(pt_regs_ ## entry, pt_regs, entry)

43
	ENTRY(bx);

44
	ENTRY(bx);

45
	ENTRY(cx);

46
	ENTRY(dx);

47
	ENTRY(sp);

48
	ENTRY(bp);

49
	ENTRY(si);

50
	ENTRY(di);

51
	ENTRY(r8);

52
	ENTRY(r9);

53
	ENTRY(r10);

54
	ENTRY(r11);

55
	ENTRY(r12);

56
	ENTRY(r13);

57
	ENTRY(r14);

58
	ENTRY(r15);

59
	ENTRY(flags);

60
	BLANK();

61
#undef ENTRY

62


63
#define ENTRY(entry) OFFSET(saved_context_ ## entry, saved_context, entry)

64
	ENTRY(cr0);

65
	ENTRY(cr2);

66
	ENTRY(cr3);

67
	ENTRY(cr4);

68
	ENTRY(cr8);

69
	BLANK();

70
#undef ENTRY

71


72
	OFFSET(TSS_ist, tss_struct, x86_tss.ist);

73
	BLANK();

74


75
	DEFINE(__NR_syscall_max, sizeof(syscalls) - 1);

76


77
	return 0;

78
}

79


80