arch/x86/kernel/asm-offsets_64.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #ifndef __LINUX_KBUILD_H
   3 # error "Please do not build this file directly, build asm-offsets.c instead"
   4 #endif
   5
   6 #include <asm/ia32.h>
   7
   8 #if defined(CONFIG_KVM_GUEST) && defined(CONFIG_PARAVIRT_SPINLOCKS)
   9 #include <asm/kvm_para.h>
  10 #endif
  11
  12 int main(void)
  13 {
  14 #ifdef CONFIG_PARAVIRT
  15 #ifdef CONFIG_PARAVIRT_XXL
  16         OFFSET(PV_CPU_usergs_sysret64, paravirt_patch_template,
  17                cpu.usergs_sysret64);
  18         OFFSET(PV_CPU_swapgs, paravirt_patch_template, cpu.swapgs);
  19 #ifdef CONFIG_DEBUG_ENTRY
  20         OFFSET(PV_IRQ_save_fl, paravirt_patch_template, irq.save_fl);
  21 #endif
  22 #endif
  23         BLANK();
  24 #endif
  25
  26 #if defined(CONFIG_KVM_GUEST) && defined(CONFIG_PARAVIRT_SPINLOCKS)
  27         OFFSET(KVM_STEAL_TIME_preempted, kvm_steal_time, preempted);
  28         BLANK();
  29 #endif
  30
  31 #define ENTRY(entry) OFFSET(pt_regs_ ## entry, pt_regs, entry)
  32         ENTRY(bx);
  33         ENTRY(cx);
  34         ENTRY(dx);
  35         ENTRY(sp);
  36         ENTRY(bp);
  37         ENTRY(si);
  38         ENTRY(di);
  39         ENTRY(r8);
  40         ENTRY(r9);
  41         ENTRY(r10);
  42         ENTRY(r11);
  43         ENTRY(r12);
  44         ENTRY(r13);
  45         ENTRY(r14);
  46         ENTRY(r15);
  47         ENTRY(flags);
  48         BLANK();
  49 #undef ENTRY
  50
  51 #define ENTRY(entry) OFFSET(saved_context_ ## entry, saved_context, entry)
  52         ENTRY(cr0);
  53         ENTRY(cr2);
  54         ENTRY(cr3);
  55         ENTRY(cr4);
  56         ENTRY(gdt_desc);
  57         BLANK();
  58 #undef ENTRY
  59
  60         BLANK();
  61
  62 #ifdef CONFIG_STACKPROTECTOR
  63         DEFINE(stack_canary_offset, offsetof(struct fixed_percpu_data, stack_canary));
  64         BLANK();
  65 #endif
  66         return 0;
  67 }