xref: /openbmc/linux/arch/x86/kernel/asm-offsets_64.c (revision 4f6cce39)
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/ia32.h>
6 
7 #define __SYSCALL_64(nr, sym, qual) [nr] = 1,
8 static char syscalls_64[] = {
9 #include <asm/syscalls_64.h>
10 };
11 #define __SYSCALL_I386(nr, sym, qual) [nr] = 1,
12 static char syscalls_ia32[] = {
13 #include <asm/syscalls_32.h>
14 };
15 
16 #if defined(CONFIG_KVM_GUEST) && defined(CONFIG_PARAVIRT_SPINLOCKS)
17 #include <asm/kvm_para.h>
18 #endif
19 
20 int main(void)
21 {
22 #ifdef CONFIG_PARAVIRT
23 	OFFSET(PV_IRQ_adjust_exception_frame, pv_irq_ops, adjust_exception_frame);
24 	OFFSET(PV_CPU_usergs_sysret64, pv_cpu_ops, usergs_sysret64);
25 	OFFSET(PV_CPU_swapgs, pv_cpu_ops, swapgs);
26 	BLANK();
27 #endif
28 
29 #if defined(CONFIG_KVM_GUEST) && defined(CONFIG_PARAVIRT_SPINLOCKS)
30 	OFFSET(KVM_STEAL_TIME_preempted, kvm_steal_time, preempted);
31 	BLANK();
32 #endif
33 
34 #define ENTRY(entry) OFFSET(pt_regs_ ## entry, pt_regs, entry)
35 	ENTRY(bx);
36 	ENTRY(cx);
37 	ENTRY(dx);
38 	ENTRY(sp);
39 	ENTRY(bp);
40 	ENTRY(si);
41 	ENTRY(di);
42 	ENTRY(r8);
43 	ENTRY(r9);
44 	ENTRY(r10);
45 	ENTRY(r11);
46 	ENTRY(r12);
47 	ENTRY(r13);
48 	ENTRY(r14);
49 	ENTRY(r15);
50 	ENTRY(flags);
51 	BLANK();
52 #undef ENTRY
53 
54 #define ENTRY(entry) OFFSET(saved_context_ ## entry, saved_context, entry)
55 	ENTRY(cr0);
56 	ENTRY(cr2);
57 	ENTRY(cr3);
58 	ENTRY(cr4);
59 	ENTRY(cr8);
60 	ENTRY(gdt_desc);
61 	BLANK();
62 #undef ENTRY
63 
64 	OFFSET(TSS_ist, tss_struct, x86_tss.ist);
65 	OFFSET(TSS_sp0, tss_struct, x86_tss.sp0);
66 	BLANK();
67 
68 #ifdef CONFIG_CC_STACKPROTECTOR
69 	DEFINE(stack_canary_offset, offsetof(union irq_stack_union, stack_canary));
70 	BLANK();
71 #endif
72 
73 	DEFINE(__NR_syscall_max, sizeof(syscalls_64) - 1);
74 	DEFINE(NR_syscalls, sizeof(syscalls_64));
75 
76 	DEFINE(__NR_syscall_compat_max, sizeof(syscalls_ia32) - 1);
77 	DEFINE(IA32_NR_syscalls, sizeof(syscalls_ia32));
78 
79 	return 0;
80 }
81