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, compat) [nr] = 1,
   8 #define __SYSCALL_COMMON(nr, sym, compat) [nr] = 1,
   9 #ifdef CONFIG_X86_X32_ABI
  10 # define __SYSCALL_X32(nr, sym, compat) [nr] = 1,
  11 #else
  12 # define __SYSCALL_X32(nr, sym, compat) /* nothing */
  13 #endif
  14 static char syscalls_64[] = {
  15 #include <asm/syscalls_64.h>
  16 };
  17 #define __SYSCALL_I386(nr, sym, compat) [nr] = 1,
  18 static char syscalls_ia32[] = {
  19 #include <asm/syscalls_32.h>
  20 };
  21
  22 int main(void)
  23 {
  24 #ifdef CONFIG_PARAVIRT
  25         OFFSET(PV_IRQ_adjust_exception_frame, pv_irq_ops, adjust_exception_frame);
  26         OFFSET(PV_CPU_usergs_sysret32, pv_cpu_ops, usergs_sysret32);
  27         OFFSET(PV_CPU_usergs_sysret64, pv_cpu_ops, usergs_sysret64);
  28         OFFSET(PV_CPU_swapgs, pv_cpu_ops, swapgs);
  29         BLANK();
  30 #endif
  31
  32 #ifdef CONFIG_IA32_EMULATION
  33         OFFSET(TI_sysenter_return, thread_info, sysenter_return);
  34         BLANK();
  35
  36 #define ENTRY(entry) OFFSET(IA32_SIGCONTEXT_ ## entry, sigcontext_ia32, entry)
  37         ENTRY(ax);
  38         ENTRY(bx);
  39         ENTRY(cx);
  40         ENTRY(dx);
  41         ENTRY(si);
  42         ENTRY(di);
  43         ENTRY(bp);
  44         ENTRY(sp);
  45         ENTRY(ip);
  46         BLANK();
  47 #undef ENTRY
  48
  49         OFFSET(IA32_RT_SIGFRAME_sigcontext, rt_sigframe_ia32, uc.uc_mcontext);
  50         BLANK();
  51 #endif
  52
  53 #define ENTRY(entry) OFFSET(pt_regs_ ## entry, pt_regs, entry)
  54         ENTRY(bx);
  55         ENTRY(cx);
  56         ENTRY(dx);
  57         ENTRY(sp);
  58         ENTRY(bp);
  59         ENTRY(si);
  60         ENTRY(di);
  61         ENTRY(r8);
  62         ENTRY(r9);
  63         ENTRY(r10);
  64         ENTRY(r11);
  65         ENTRY(r12);
  66         ENTRY(r13);
  67         ENTRY(r14);
  68         ENTRY(r15);
  69         ENTRY(flags);
  70         BLANK();
  71 #undef ENTRY
  72
  73 #define ENTRY(entry) OFFSET(saved_context_ ## entry, saved_context, entry)
  74         ENTRY(cr0);
  75         ENTRY(cr2);
  76         ENTRY(cr3);
  77         ENTRY(cr4);
  78         ENTRY(cr8);
  79         ENTRY(gdt_desc);
  80         BLANK();
  81 #undef ENTRY
  82
  83         OFFSET(TSS_ist, tss_struct, x86_tss.ist);
  84         OFFSET(TSS_sp0, tss_struct, x86_tss.sp0);
  85         BLANK();
  86
  87         DEFINE(__NR_syscall_max, sizeof(syscalls_64) - 1);
  88         DEFINE(NR_syscalls, sizeof(syscalls_64));
  89
  90         DEFINE(__NR_ia32_syscall_max, sizeof(syscalls_ia32) - 1);
  91         DEFINE(IA32_NR_syscalls, sizeof(syscalls_ia32));
  92
  93         return 0;
  94 }