arch/x86/kernel/asm-offsets_32.c

   1 #include <asm/ucontext.h>
   2
   3 #include <linux/lguest.h>
   4 #include "../../../drivers/lguest/lg.h"
   5
   6 #define __SYSCALL_I386(nr, sym, compat) [nr] = 1,
   7 static char syscalls[] = {
   8 #include <asm/syscalls_32.h>
   9 };
  10
  11 /* workaround for a warning with -Wmissing-prototypes */
  12 void foo(void);
  13
  14 void foo(void)
  15 {
  16         OFFSET(IA32_SIGCONTEXT_ax, sigcontext, ax);
  17         OFFSET(IA32_SIGCONTEXT_bx, sigcontext, bx);
  18         OFFSET(IA32_SIGCONTEXT_cx, sigcontext, cx);
  19         OFFSET(IA32_SIGCONTEXT_dx, sigcontext, dx);
  20         OFFSET(IA32_SIGCONTEXT_si, sigcontext, si);
  21         OFFSET(IA32_SIGCONTEXT_di, sigcontext, di);
  22         OFFSET(IA32_SIGCONTEXT_bp, sigcontext, bp);
  23         OFFSET(IA32_SIGCONTEXT_sp, sigcontext, sp);
  24         OFFSET(IA32_SIGCONTEXT_ip, sigcontext, ip);
  25         BLANK();
  26
  27         OFFSET(CPUINFO_x86, cpuinfo_x86, x86);
  28         OFFSET(CPUINFO_x86_vendor, cpuinfo_x86, x86_vendor);
  29         OFFSET(CPUINFO_x86_model, cpuinfo_x86, x86_model);
  30         OFFSET(CPUINFO_x86_mask, cpuinfo_x86, x86_mask);
  31         OFFSET(CPUINFO_cpuid_level, cpuinfo_x86, cpuid_level);
  32         OFFSET(CPUINFO_x86_capability, cpuinfo_x86, x86_capability);
  33         OFFSET(CPUINFO_x86_vendor_id, cpuinfo_x86, x86_vendor_id);
  34         BLANK();
  35
  36         OFFSET(TI_sysenter_return, thread_info, sysenter_return);
  37         OFFSET(TI_cpu, thread_info, cpu);
  38         BLANK();
  39
  40         OFFSET(PT_EBX, pt_regs, bx);
  41         OFFSET(PT_ECX, pt_regs, cx);
  42         OFFSET(PT_EDX, pt_regs, dx);
  43         OFFSET(PT_ESI, pt_regs, si);
  44         OFFSET(PT_EDI, pt_regs, di);
  45         OFFSET(PT_EBP, pt_regs, bp);
  46         OFFSET(PT_EAX, pt_regs, ax);
  47         OFFSET(PT_DS,  pt_regs, ds);
  48         OFFSET(PT_ES,  pt_regs, es);
  49         OFFSET(PT_FS,  pt_regs, fs);
  50         OFFSET(PT_GS,  pt_regs, gs);
  51         OFFSET(PT_ORIG_EAX, pt_regs, orig_ax);
  52         OFFSET(PT_EIP, pt_regs, ip);
  53         OFFSET(PT_CS,  pt_regs, cs);
  54         OFFSET(PT_EFLAGS, pt_regs, flags);
  55         OFFSET(PT_OLDESP, pt_regs, sp);
  56         OFFSET(PT_OLDSS,  pt_regs, ss);
  57         BLANK();
  58
  59         OFFSET(IA32_RT_SIGFRAME_sigcontext, rt_sigframe, uc.uc_mcontext);
  60         BLANK();
  61
  62         OFFSET(saved_context_gdt_desc, saved_context, gdt_desc);
  63         BLANK();
  64
  65         /* Offset from the sysenter stack to tss.sp0 */
  66         DEFINE(TSS_sysenter_sp0, offsetof(struct tss_struct, x86_tss.sp0) -
  67                  sizeof(struct tss_struct));
  68
  69 #if defined(CONFIG_LGUEST) || defined(CONFIG_LGUEST_GUEST) || defined(CONFIG_LGUEST_MODULE)
  70         BLANK();
  71         OFFSET(LGUEST_DATA_irq_enabled, lguest_data, irq_enabled);
  72         OFFSET(LGUEST_DATA_irq_pending, lguest_data, irq_pending);
  73
  74         BLANK();
  75         OFFSET(LGUEST_PAGES_host_gdt_desc, lguest_pages, state.host_gdt_desc);
  76         OFFSET(LGUEST_PAGES_host_idt_desc, lguest_pages, state.host_idt_desc);
  77         OFFSET(LGUEST_PAGES_host_cr3, lguest_pages, state.host_cr3);
  78         OFFSET(LGUEST_PAGES_host_sp, lguest_pages, state.host_sp);
  79         OFFSET(LGUEST_PAGES_guest_gdt_desc, lguest_pages,state.guest_gdt_desc);
  80         OFFSET(LGUEST_PAGES_guest_idt_desc, lguest_pages,state.guest_idt_desc);
  81         OFFSET(LGUEST_PAGES_guest_gdt, lguest_pages, state.guest_gdt);
  82         OFFSET(LGUEST_PAGES_regs_trapnum, lguest_pages, regs.trapnum);
  83         OFFSET(LGUEST_PAGES_regs_errcode, lguest_pages, regs.errcode);
  84         OFFSET(LGUEST_PAGES_regs, lguest_pages, regs);
  85 #endif
  86         BLANK();
  87         DEFINE(__NR_syscall_max, sizeof(syscalls) - 1);
  88         DEFINE(NR_syscalls, sizeof(syscalls));
  89 }