xref: /openbmc/linux/arch/x86/kernel/asm-offsets_32.c (revision 5dea1c88)
1 #include <asm/ucontext.h>
2 
3 #include <linux/lguest.h>
4 #include "../../../drivers/lguest/lg.h"
5 
6 /* workaround for a warning with -Wmissing-prototypes */
7 void foo(void);
8 
9 void foo(void)
10 {
11 	OFFSET(IA32_SIGCONTEXT_ax, sigcontext, ax);
12 	OFFSET(IA32_SIGCONTEXT_bx, sigcontext, bx);
13 	OFFSET(IA32_SIGCONTEXT_cx, sigcontext, cx);
14 	OFFSET(IA32_SIGCONTEXT_dx, sigcontext, dx);
15 	OFFSET(IA32_SIGCONTEXT_si, sigcontext, si);
16 	OFFSET(IA32_SIGCONTEXT_di, sigcontext, di);
17 	OFFSET(IA32_SIGCONTEXT_bp, sigcontext, bp);
18 	OFFSET(IA32_SIGCONTEXT_sp, sigcontext, sp);
19 	OFFSET(IA32_SIGCONTEXT_ip, sigcontext, ip);
20 	BLANK();
21 
22 	OFFSET(CPUINFO_x86, cpuinfo_x86, x86);
23 	OFFSET(CPUINFO_x86_vendor, cpuinfo_x86, x86_vendor);
24 	OFFSET(CPUINFO_x86_model, cpuinfo_x86, x86_model);
25 	OFFSET(CPUINFO_x86_mask, cpuinfo_x86, x86_mask);
26 	OFFSET(CPUINFO_hard_math, cpuinfo_x86, hard_math);
27 	OFFSET(CPUINFO_cpuid_level, cpuinfo_x86, cpuid_level);
28 	OFFSET(CPUINFO_x86_capability, cpuinfo_x86, x86_capability);
29 	OFFSET(CPUINFO_x86_vendor_id, cpuinfo_x86, x86_vendor_id);
30 	BLANK();
31 
32 	OFFSET(TI_sysenter_return, thread_info, sysenter_return);
33 	OFFSET(TI_cpu, thread_info, cpu);
34 	BLANK();
35 
36 	OFFSET(PT_EBX, pt_regs, bx);
37 	OFFSET(PT_ECX, pt_regs, cx);
38 	OFFSET(PT_EDX, pt_regs, dx);
39 	OFFSET(PT_ESI, pt_regs, si);
40 	OFFSET(PT_EDI, pt_regs, di);
41 	OFFSET(PT_EBP, pt_regs, bp);
42 	OFFSET(PT_EAX, pt_regs, ax);
43 	OFFSET(PT_DS,  pt_regs, ds);
44 	OFFSET(PT_ES,  pt_regs, es);
45 	OFFSET(PT_FS,  pt_regs, fs);
46 	OFFSET(PT_GS,  pt_regs, gs);
47 	OFFSET(PT_ORIG_EAX, pt_regs, orig_ax);
48 	OFFSET(PT_EIP, pt_regs, ip);
49 	OFFSET(PT_CS,  pt_regs, cs);
50 	OFFSET(PT_EFLAGS, pt_regs, flags);
51 	OFFSET(PT_OLDESP, pt_regs, sp);
52 	OFFSET(PT_OLDSS,  pt_regs, ss);
53 	BLANK();
54 
55 	OFFSET(IA32_RT_SIGFRAME_sigcontext, rt_sigframe, uc.uc_mcontext);
56 	BLANK();
57 
58 	/* Offset from the sysenter stack to tss.sp0 */
59 	DEFINE(TSS_sysenter_sp0, offsetof(struct tss_struct, x86_tss.sp0) -
60 		 sizeof(struct tss_struct));
61 
62 #if defined(CONFIG_LGUEST) || defined(CONFIG_LGUEST_GUEST) || defined(CONFIG_LGUEST_MODULE)
63 	BLANK();
64 	OFFSET(LGUEST_DATA_irq_enabled, lguest_data, irq_enabled);
65 	OFFSET(LGUEST_DATA_irq_pending, lguest_data, irq_pending);
66 
67 	BLANK();
68 	OFFSET(LGUEST_PAGES_host_gdt_desc, lguest_pages, state.host_gdt_desc);
69 	OFFSET(LGUEST_PAGES_host_idt_desc, lguest_pages, state.host_idt_desc);
70 	OFFSET(LGUEST_PAGES_host_cr3, lguest_pages, state.host_cr3);
71 	OFFSET(LGUEST_PAGES_host_sp, lguest_pages, state.host_sp);
72 	OFFSET(LGUEST_PAGES_guest_gdt_desc, lguest_pages,state.guest_gdt_desc);
73 	OFFSET(LGUEST_PAGES_guest_idt_desc, lguest_pages,state.guest_idt_desc);
74 	OFFSET(LGUEST_PAGES_guest_gdt, lguest_pages, state.guest_gdt);
75 	OFFSET(LGUEST_PAGES_regs_trapnum, lguest_pages, regs.trapnum);
76 	OFFSET(LGUEST_PAGES_regs_errcode, lguest_pages, regs.errcode);
77 	OFFSET(LGUEST_PAGES_regs, lguest_pages, regs);
78 #endif
79 }
80