Linux Kernel  3.7.1
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asm-offsets_32.c
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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_hard_math, cpuinfo_x86, hard_math);
32  OFFSET(CPUINFO_cpuid_level, cpuinfo_x86, cpuid_level);
33  OFFSET(CPUINFO_x86_capability, cpuinfo_x86, x86_capability);
34  OFFSET(CPUINFO_x86_vendor_id, cpuinfo_x86, x86_vendor_id);
35  BLANK();
36 
37  OFFSET(TI_sysenter_return, thread_info, sysenter_return);
38  OFFSET(TI_cpu, thread_info, cpu);
39  BLANK();
40 
41  OFFSET(PT_EBX, pt_regs, bx);
42  OFFSET(PT_ECX, pt_regs, cx);
43  OFFSET(PT_EDX, pt_regs, dx);
44  OFFSET(PT_ESI, pt_regs, si);
45  OFFSET(PT_EDI, pt_regs, di);
46  OFFSET(PT_EBP, pt_regs, bp);
47  OFFSET(PT_EAX, pt_regs, ax);
48  OFFSET(PT_DS, pt_regs, ds);
49  OFFSET(PT_ES, pt_regs, es);
50  OFFSET(PT_FS, pt_regs, fs);
51  OFFSET(PT_GS, pt_regs, gs);
52  OFFSET(PT_ORIG_EAX, pt_regs, orig_ax);
53  OFFSET(PT_EIP, pt_regs, ip);
54  OFFSET(PT_CS, pt_regs, cs);
55  OFFSET(PT_EFLAGS, pt_regs, flags);
56  OFFSET(PT_OLDESP, pt_regs, sp);
57  OFFSET(PT_OLDSS, pt_regs, ss);
58  BLANK();
59 
60  OFFSET(IA32_RT_SIGFRAME_sigcontext, rt_sigframe, uc.uc_mcontext);
61  BLANK();
62 
63  /* Offset from the sysenter stack to tss.sp0 */
64  DEFINE(TSS_sysenter_sp0, offsetof(struct tss_struct, x86_tss.sp0) -
65  sizeof(struct tss_struct));
66 
67 #if defined(CONFIG_LGUEST) || defined(CONFIG_LGUEST_GUEST) || defined(CONFIG_LGUEST_MODULE)
68  BLANK();
69  OFFSET(LGUEST_DATA_irq_enabled, lguest_data, irq_enabled);
70  OFFSET(LGUEST_DATA_irq_pending, lguest_data, irq_pending);
71 
72  BLANK();
73  OFFSET(LGUEST_PAGES_host_gdt_desc, lguest_pages, state.host_gdt_desc);
74  OFFSET(LGUEST_PAGES_host_idt_desc, lguest_pages, state.host_idt_desc);
75  OFFSET(LGUEST_PAGES_host_cr3, lguest_pages, state.host_cr3);
76  OFFSET(LGUEST_PAGES_host_sp, lguest_pages, state.host_sp);
77  OFFSET(LGUEST_PAGES_guest_gdt_desc, lguest_pages,state.guest_gdt_desc);
78  OFFSET(LGUEST_PAGES_guest_idt_desc, lguest_pages,state.guest_idt_desc);
79  OFFSET(LGUEST_PAGES_guest_gdt, lguest_pages, state.guest_gdt);
80  OFFSET(LGUEST_PAGES_regs_trapnum, lguest_pages, regs.trapnum);
81  OFFSET(LGUEST_PAGES_regs_errcode, lguest_pages, regs.errcode);
82  OFFSET(LGUEST_PAGES_regs, lguest_pages, regs);
83 #endif
84  BLANK();
85  DEFINE(__NR_syscall_max, sizeof(syscalls) - 1);
86  DEFINE(NR_syscalls, sizeof(syscalls));
87 }