arch/x86/kernel/asm-offsets_64.c

   1 #ifndef __LINUX_KBUILD_H
   2 # error "Please do not build this file directly, build asm-offsets.c instead"
   3 #endif
   4
   5 #include <asm/ia32.h>
   6
   7 #define __SYSCALL_64(nr, sym, qual) [nr] = 1,
   8 static char syscalls_64[] = {
   9 #include <asm/syscalls_64.h>
  10 };
  11 #define __SYSCALL_I386(nr, sym, qual) [nr] = 1,
  12 static char syscalls_ia32[] = {
  13 #include <asm/syscalls_32.h>
  14 };
  15
  16 #if defined(CONFIG_KVM_GUEST) && defined(CONFIG_PARAVIRT_SPINLOCKS)
  17 #include <asm/kvm_para.h>
  18 #endif
  19
  20 int main(void)
  21 {
  22 #ifdef CONFIG_PARAVIRT
  23         OFFSET(PV_CPU_usergs_sysret64, pv_cpu_ops, usergs_sysret64);
  24         OFFSET(PV_CPU_swapgs, pv_cpu_ops, swapgs);
  25 #ifdef CONFIG_DEBUG_ENTRY
  26         OFFSET(PV_IRQ_save_fl, pv_irq_ops, save_fl);
  27 #endif
  28         BLANK();
  29 #endif
  30
  31 #if defined(CONFIG_KVM_GUEST) && defined(CONFIG_PARAVIRT_SPINLOCKS)
  32         OFFSET(KVM_STEAL_TIME_preempted, kvm_steal_time, preempted);
  33         BLANK();
  34 #endif
  35
  36 #define ENTRY(entry) OFFSET(pt_regs_ ## entry, pt_regs, entry)
  37         ENTRY(bx);
  38         ENTRY(cx);
  39         ENTRY(dx);
  40         ENTRY(sp);
  41         ENTRY(bp);
  42         ENTRY(si);
  43         ENTRY(di);
  44         ENTRY(r8);
  45         ENTRY(r9);
  46         ENTRY(r10);
  47         ENTRY(r11);
  48         ENTRY(r12);
  49         ENTRY(r13);
  50         ENTRY(r14);
  51         ENTRY(r15);
  52         ENTRY(flags);
  53         BLANK();
  54 #undef ENTRY
  55
  56 #define ENTRY(entry) OFFSET(saved_context_ ## entry, saved_context, entry)
  57         ENTRY(cr0);
  58         ENTRY(cr2);
  59         ENTRY(cr3);
  60         ENTRY(cr4);
  61         ENTRY(cr8);
  62         ENTRY(gdt_desc);
  63         BLANK();
  64 #undef ENTRY
  65
  66         OFFSET(TSS_ist, tss_struct, x86_tss.ist);
  67         OFFSET(TSS_sp0, tss_struct, x86_tss.sp0);
  68         OFFSET(TSS_sp1, tss_struct, x86_tss.sp1);
  69         BLANK();
  70
  71 #ifdef CONFIG_CC_STACKPROTECTOR
  72         DEFINE(stack_canary_offset, offsetof(union irq_stack_union, stack_canary));
  73         BLANK();
  74 #endif
  75
  76         DEFINE(__NR_syscall_max, sizeof(syscalls_64) - 1);
  77         DEFINE(NR_syscalls, sizeof(syscalls_64));
  78
  79         DEFINE(__NR_syscall_compat_max, sizeof(syscalls_ia32) - 1);
  80         DEFINE(IA32_NR_syscalls, sizeof(syscalls_ia32));
  81
  82         return 0;
  83 }