arch/x86/kernel/asm-offsets_64.c

   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 }