arch/x86/kernel/asm-offsets_64.c

   1 #include <asm/ia32.h>
   2
   3 #define __SYSCALL_64(nr, sym, compat) [nr] = 1,
   4 #define __SYSCALL_COMMON(nr, sym, compat) [nr] = 1,
   5 #ifdef CONFIG_X86_X32_ABI
   6 # define __SYSCALL_X32(nr, sym, compat) [nr] = 1,
   7 #else
   8 # define __SYSCALL_X32(nr, sym, compat) /* nothing */
   9 #endif
  10 static char syscalls_64[] = {
  11 #include <asm/syscalls_64.h>
  12 };
  13 #define __SYSCALL_I386(nr, sym, compat) [nr] = 1,
  14 static char syscalls_ia32[] = {
  15 #include <asm/syscalls_32.h>
  16 };
  17
  18 int main(void)
  19 {
  20 #ifdef CONFIG_PARAVIRT
  21         OFFSET(PV_IRQ_adjust_exception_frame, pv_irq_ops, adjust_exception_frame);
  22         OFFSET(PV_CPU_usergs_sysret32, pv_cpu_ops, usergs_sysret32);
  23         OFFSET(PV_CPU_usergs_sysret64, pv_cpu_ops, usergs_sysret64);
  24         OFFSET(PV_CPU_swapgs, pv_cpu_ops, swapgs);
  25         BLANK();
  26 #endif
  27
  28 #ifdef CONFIG_IA32_EMULATION
  29         OFFSET(TI_sysenter_return, thread_info, sysenter_return);
  30         BLANK();
  31
  32 #define ENTRY(entry) OFFSET(IA32_SIGCONTEXT_ ## entry, sigcontext_ia32, entry)
  33         ENTRY(ax);
  34         ENTRY(bx);
  35         ENTRY(cx);
  36         ENTRY(dx);
  37         ENTRY(si);
  38         ENTRY(di);
  39         ENTRY(bp);
  40         ENTRY(sp);
  41         ENTRY(ip);
  42         BLANK();
  43 #undef ENTRY
  44
  45         OFFSET(IA32_RT_SIGFRAME_sigcontext, rt_sigframe_ia32, uc.uc_mcontext);
  46         BLANK();
  47 #endif
  48
  49 #define ENTRY(entry) OFFSET(pt_regs_ ## entry, pt_regs, entry)
  50         ENTRY(bx);
  51         ENTRY(bx);
  52         ENTRY(cx);
  53         ENTRY(dx);
  54         ENTRY(sp);
  55         ENTRY(bp);
  56         ENTRY(si);
  57         ENTRY(di);
  58         ENTRY(r8);
  59         ENTRY(r9);
  60         ENTRY(r10);
  61         ENTRY(r11);
  62         ENTRY(r12);
  63         ENTRY(r13);
  64         ENTRY(r14);
  65         ENTRY(r15);
  66         ENTRY(flags);
  67         BLANK();
  68 #undef ENTRY
  69
  70 #define ENTRY(entry) OFFSET(saved_context_ ## entry, saved_context, entry)
  71         ENTRY(cr0);
  72         ENTRY(cr2);
  73         ENTRY(cr3);
  74         ENTRY(cr4);
  75         ENTRY(cr8);
  76         BLANK();
  77 #undef ENTRY
  78
  79         OFFSET(TSS_ist, tss_struct, x86_tss.ist);
  80         BLANK();
  81
  82         DEFINE(__NR_syscall_max, sizeof(syscalls_64) - 1);
  83         DEFINE(NR_syscalls, sizeof(syscalls_64));
  84
  85         DEFINE(__NR_ia32_syscall_max, sizeof(syscalls_ia32) - 1);
  86         DEFINE(IA32_NR_syscalls, sizeof(syscalls_ia32));
  87
  88         return 0;
  89 }