arch/x86/kernel/asm-offsets_64.c

   1 #include <asm/ia32.h>
   2
   3 #define __SYSCALL_64(nr, sym, compat) [nr] = 1,
   4 static char syscalls_64[] = {
   5 #include <asm/syscalls_64.h>
   6 };
   7 #define __SYSCALL_I386(nr, sym, compat) [nr] = 1,
   8 static char syscalls_ia32[] = {
   9 #include <asm/syscalls_32.h>
  10 };
  11
  12 int main(void)
  13 {
  14 #ifdef CONFIG_PARAVIRT
  15         OFFSET(PV_IRQ_adjust_exception_frame, pv_irq_ops, adjust_exception_frame);
  16         OFFSET(PV_CPU_usergs_sysret32, pv_cpu_ops, usergs_sysret32);
  17         OFFSET(PV_CPU_usergs_sysret64, pv_cpu_ops, usergs_sysret64);
  18         OFFSET(PV_CPU_swapgs, pv_cpu_ops, swapgs);
  19         BLANK();
  20 #endif
  21
  22 #ifdef CONFIG_IA32_EMULATION
  23         OFFSET(TI_sysenter_return, thread_info, sysenter_return);
  24         BLANK();
  25
  26 #define ENTRY(entry) OFFSET(IA32_SIGCONTEXT_ ## entry, sigcontext_ia32, entry)
  27         ENTRY(ax);
  28         ENTRY(bx);
  29         ENTRY(cx);
  30         ENTRY(dx);
  31         ENTRY(si);
  32         ENTRY(di);
  33         ENTRY(bp);
  34         ENTRY(sp);
  35         ENTRY(ip);
  36         BLANK();
  37 #undef ENTRY
  38
  39         OFFSET(IA32_RT_SIGFRAME_sigcontext, rt_sigframe_ia32, uc.uc_mcontext);
  40         BLANK();
  41 #endif
  42
  43 #define ENTRY(entry) OFFSET(pt_regs_ ## entry, pt_regs, entry)
  44         ENTRY(bx);
  45         ENTRY(bx);
  46         ENTRY(cx);
  47         ENTRY(dx);
  48         ENTRY(sp);
  49         ENTRY(bp);
  50         ENTRY(si);
  51         ENTRY(di);
  52         ENTRY(r8);
  53         ENTRY(r9);
  54         ENTRY(r10);
  55         ENTRY(r11);
  56         ENTRY(r12);
  57         ENTRY(r13);
  58         ENTRY(r14);
  59         ENTRY(r15);
  60         ENTRY(flags);
  61         BLANK();
  62 #undef ENTRY
  63
  64 #define ENTRY(entry) OFFSET(saved_context_ ## entry, saved_context, entry)
  65         ENTRY(cr0);
  66         ENTRY(cr2);
  67         ENTRY(cr3);
  68         ENTRY(cr4);
  69         ENTRY(cr8);
  70         BLANK();
  71 #undef ENTRY
  72
  73         OFFSET(TSS_ist, tss_struct, x86_tss.ist);
  74         BLANK();
  75
  76         DEFINE(__NR_syscall_max, sizeof(syscalls_64) - 1);
  77         DEFINE(NR_syscalls, sizeof(syscalls_64));
  78
  79         DEFINE(__NR_ia32_syscall_max, sizeof(syscalls_ia32) - 1);
  80         DEFINE(IA32_NR_syscalls, sizeof(syscalls_ia32));
  81
  82         return 0;
  83 }