xref: /linux/arch/x86/kernel/asm-offsets_64.c (revision b85d45947951d23cb22d90caecf4c1eb81342c96)
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, compat) [nr] = 1,
8 #define __SYSCALL_COMMON(nr, sym, compat) [nr] = 1,
9 #ifdef CONFIG_X86_X32_ABI
10 # define __SYSCALL_X32(nr, sym, compat) [nr] = 1,
11 #else
12 # define __SYSCALL_X32(nr, sym, compat) /* nothing */
13 #endif
14 static char syscalls_64[] = {
15 #include <asm/syscalls_64.h>
16 };
17 #define __SYSCALL_I386(nr, sym, compat) [nr] = 1,
18 static char syscalls_ia32[] = {
19 #include <asm/syscalls_32.h>
20 };
21 
22 int main(void)
23 {
24 #ifdef CONFIG_PARAVIRT
25 	OFFSET(PV_IRQ_adjust_exception_frame, pv_irq_ops, adjust_exception_frame);
26 	OFFSET(PV_CPU_usergs_sysret32, pv_cpu_ops, usergs_sysret32);
27 	OFFSET(PV_CPU_usergs_sysret64, pv_cpu_ops, usergs_sysret64);
28 	OFFSET(PV_CPU_swapgs, pv_cpu_ops, swapgs);
29 	BLANK();
30 #endif
31 
32 #define ENTRY(entry) OFFSET(pt_regs_ ## entry, pt_regs, entry)
33 	ENTRY(bx);
34 	ENTRY(cx);
35 	ENTRY(dx);
36 	ENTRY(sp);
37 	ENTRY(bp);
38 	ENTRY(si);
39 	ENTRY(di);
40 	ENTRY(r8);
41 	ENTRY(r9);
42 	ENTRY(r10);
43 	ENTRY(r11);
44 	ENTRY(r12);
45 	ENTRY(r13);
46 	ENTRY(r14);
47 	ENTRY(r15);
48 	ENTRY(flags);
49 	BLANK();
50 #undef ENTRY
51 
52 #define ENTRY(entry) OFFSET(saved_context_ ## entry, saved_context, entry)
53 	ENTRY(cr0);
54 	ENTRY(cr2);
55 	ENTRY(cr3);
56 	ENTRY(cr4);
57 	ENTRY(cr8);
58 	ENTRY(gdt_desc);
59 	BLANK();
60 #undef ENTRY
61 
62 	OFFSET(TSS_ist, tss_struct, x86_tss.ist);
63 	OFFSET(TSS_sp0, tss_struct, x86_tss.sp0);
64 	BLANK();
65 
66 	DEFINE(__NR_syscall_max, sizeof(syscalls_64) - 1);
67 	DEFINE(NR_syscalls, sizeof(syscalls_64));
68 
69 	DEFINE(__NR_syscall_compat_max, sizeof(syscalls_ia32) - 1);
70 	DEFINE(IA32_NR_syscalls, sizeof(syscalls_ia32));
71 
72 	return 0;
73 }
74