xref: /linux/arch/x86/kernel/asm-offsets_64.c (revision e9f0878c4b2004ac19581274c1ae4c61ae3ca70e)
1 // SPDX-License-Identifier: GPL-2.0
2 #ifndef __LINUX_KBUILD_H
3 # error "Please do not build this file directly, build asm-offsets.c instead"
4 #endif
5 
6 #include <asm/ia32.h>
7 
8 #define __SYSCALL_64(nr, sym, qual) [nr] = 1,
9 static char syscalls_64[] = {
10 #include <asm/syscalls_64.h>
11 };
12 #define __SYSCALL_I386(nr, sym, qual) [nr] = 1,
13 static char syscalls_ia32[] = {
14 #include <asm/syscalls_32.h>
15 };
16 
17 #if defined(CONFIG_KVM_GUEST) && defined(CONFIG_PARAVIRT_SPINLOCKS)
18 #include <asm/kvm_para.h>
19 #endif
20 
21 int main(void)
22 {
23 #ifdef CONFIG_PARAVIRT
24 	OFFSET(PV_CPU_usergs_sysret64, pv_cpu_ops, usergs_sysret64);
25 	OFFSET(PV_CPU_swapgs, pv_cpu_ops, swapgs);
26 #ifdef CONFIG_DEBUG_ENTRY
27 	OFFSET(PV_IRQ_save_fl, pv_irq_ops, save_fl);
28 #endif
29 	BLANK();
30 #endif
31 
32 #if defined(CONFIG_KVM_GUEST) && defined(CONFIG_PARAVIRT_SPINLOCKS)
33 	OFFSET(KVM_STEAL_TIME_preempted, kvm_steal_time, preempted);
34 	BLANK();
35 #endif
36 
37 #define ENTRY(entry) OFFSET(pt_regs_ ## entry, pt_regs, entry)
38 	ENTRY(bx);
39 	ENTRY(cx);
40 	ENTRY(dx);
41 	ENTRY(sp);
42 	ENTRY(bp);
43 	ENTRY(si);
44 	ENTRY(di);
45 	ENTRY(r8);
46 	ENTRY(r9);
47 	ENTRY(r10);
48 	ENTRY(r11);
49 	ENTRY(r12);
50 	ENTRY(r13);
51 	ENTRY(r14);
52 	ENTRY(r15);
53 	ENTRY(flags);
54 	BLANK();
55 #undef ENTRY
56 
57 #define ENTRY(entry) OFFSET(saved_context_ ## entry, saved_context, entry)
58 	ENTRY(cr0);
59 	ENTRY(cr2);
60 	ENTRY(cr3);
61 	ENTRY(cr4);
62 	ENTRY(cr8);
63 	ENTRY(gdt_desc);
64 	BLANK();
65 #undef ENTRY
66 
67 	OFFSET(TSS_ist, tss_struct, x86_tss.ist);
68 	BLANK();
69 
70 #ifdef CONFIG_STACKPROTECTOR
71 	DEFINE(stack_canary_offset, offsetof(union irq_stack_union, stack_canary));
72 	BLANK();
73 #endif
74 
75 	DEFINE(__NR_syscall_max, sizeof(syscalls_64) - 1);
76 	DEFINE(NR_syscalls, sizeof(syscalls_64));
77 
78 	DEFINE(__NR_syscall_compat_max, sizeof(syscalls_ia32) - 1);
79 	DEFINE(IA32_NR_syscalls, sizeof(syscalls_ia32));
80 
81 	return 0;
82 }
83