arch/x86/kernel/asm-offsets_32.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/ucontext.h>
   6
   7 #include <linux/lguest.h>
   8 #include "../../../drivers/lguest/lg.h"
   9
  10 #define __SYSCALL_I386(nr, sym, compat) [nr] = 1,
  11 static char syscalls[] = {
  12 #include <asm/syscalls_32.h>
  13 };
  14
  15 /* workaround for a warning with -Wmissing-prototypes */
  16 void foo(void);
  17
  18 void foo(void)
  19 {
  20         OFFSET(IA32_SIGCONTEXT_ax, sigcontext, ax);
  21         OFFSET(IA32_SIGCONTEXT_bx, sigcontext, bx);
  22         OFFSET(IA32_SIGCONTEXT_cx, sigcontext, cx);
  23         OFFSET(IA32_SIGCONTEXT_dx, sigcontext, dx);
  24         OFFSET(IA32_SIGCONTEXT_si, sigcontext, si);
  25         OFFSET(IA32_SIGCONTEXT_di, sigcontext, di);
  26         OFFSET(IA32_SIGCONTEXT_bp, sigcontext, bp);
  27         OFFSET(IA32_SIGCONTEXT_sp, sigcontext, sp);
  28         OFFSET(IA32_SIGCONTEXT_ip, sigcontext, ip);
  29         BLANK();
  30
  31         OFFSET(CPUINFO_x86, cpuinfo_x86, x86);
  32         OFFSET(CPUINFO_x86_vendor, cpuinfo_x86, x86_vendor);
  33         OFFSET(CPUINFO_x86_model, cpuinfo_x86, x86_model);
  34         OFFSET(CPUINFO_x86_mask, cpuinfo_x86, x86_mask);
  35         OFFSET(CPUINFO_cpuid_level, cpuinfo_x86, cpuid_level);
  36         OFFSET(CPUINFO_x86_capability, cpuinfo_x86, x86_capability);
  37         OFFSET(CPUINFO_x86_vendor_id, cpuinfo_x86, x86_vendor_id);
  38         BLANK();
  39
  40         OFFSET(TI_sysenter_return, thread_info, sysenter_return);
  41         OFFSET(TI_cpu, thread_info, cpu);
  42         BLANK();
  43
  44         OFFSET(PT_EBX, pt_regs, bx);
  45         OFFSET(PT_ECX, pt_regs, cx);
  46         OFFSET(PT_EDX, pt_regs, dx);
  47         OFFSET(PT_ESI, pt_regs, si);
  48         OFFSET(PT_EDI, pt_regs, di);
  49         OFFSET(PT_EBP, pt_regs, bp);
  50         OFFSET(PT_EAX, pt_regs, ax);
  51         OFFSET(PT_DS,  pt_regs, ds);
  52         OFFSET(PT_ES,  pt_regs, es);
  53         OFFSET(PT_FS,  pt_regs, fs);
  54         OFFSET(PT_GS,  pt_regs, gs);
  55         OFFSET(PT_ORIG_EAX, pt_regs, orig_ax);
  56         OFFSET(PT_EIP, pt_regs, ip);
  57         OFFSET(PT_CS,  pt_regs, cs);
  58         OFFSET(PT_EFLAGS, pt_regs, flags);
  59         OFFSET(PT_OLDESP, pt_regs, sp);
  60         OFFSET(PT_OLDSS,  pt_regs, ss);
  61         BLANK();
  62
  63         OFFSET(IA32_RT_SIGFRAME_sigcontext, rt_sigframe, uc.uc_mcontext);
  64         BLANK();
  65
  66         OFFSET(saved_context_gdt_desc, saved_context, gdt_desc);
  67         BLANK();
  68
  69         /* Offset from the sysenter stack to tss.sp0 */
  70         DEFINE(TSS_sysenter_sp0, offsetof(struct tss_struct, x86_tss.sp0) -
  71                offsetofend(struct tss_struct, SYSENTER_stack));
  72
  73 #if defined(CONFIG_LGUEST) || defined(CONFIG_LGUEST_GUEST) || defined(CONFIG_LGUEST_MODULE)
  74         BLANK();
  75         OFFSET(LGUEST_DATA_irq_enabled, lguest_data, irq_enabled);
  76         OFFSET(LGUEST_DATA_irq_pending, lguest_data, irq_pending);
  77
  78         BLANK();
  79         OFFSET(LGUEST_PAGES_host_gdt_desc, lguest_pages, state.host_gdt_desc);
  80         OFFSET(LGUEST_PAGES_host_idt_desc, lguest_pages, state.host_idt_desc);
  81         OFFSET(LGUEST_PAGES_host_cr3, lguest_pages, state.host_cr3);
  82         OFFSET(LGUEST_PAGES_host_sp, lguest_pages, state.host_sp);
  83         OFFSET(LGUEST_PAGES_guest_gdt_desc, lguest_pages,state.guest_gdt_desc);
  84         OFFSET(LGUEST_PAGES_guest_idt_desc, lguest_pages,state.guest_idt_desc);
  85         OFFSET(LGUEST_PAGES_guest_gdt, lguest_pages, state.guest_gdt);
  86         OFFSET(LGUEST_PAGES_regs_trapnum, lguest_pages, regs.trapnum);
  87         OFFSET(LGUEST_PAGES_regs_errcode, lguest_pages, regs.errcode);
  88         OFFSET(LGUEST_PAGES_regs, lguest_pages, regs);
  89 #endif
  90         BLANK();
  91         DEFINE(__NR_syscall_max, sizeof(syscalls) - 1);
  92         DEFINE(NR_syscalls, sizeof(syscalls));
  93 }