xref: /linux/arch/x86/kernel/asm-offsets_64.c (revision add4b1b02da7e7ec35c34dd04d351ac53f3f0dd8)
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 #ifdef CONFIG_IA32_EMULATION
33 	OFFSET(TI_sysenter_return, thread_info, sysenter_return);
34 	BLANK();
35 
36 #define ENTRY(entry) OFFSET(IA32_SIGCONTEXT_ ## entry, sigcontext_ia32, entry)
37 	ENTRY(ax);
38 	ENTRY(bx);
39 	ENTRY(cx);
40 	ENTRY(dx);
41 	ENTRY(si);
42 	ENTRY(di);
43 	ENTRY(bp);
44 	ENTRY(sp);
45 	ENTRY(ip);
46 	BLANK();
47 #undef ENTRY
48 
49 	OFFSET(IA32_RT_SIGFRAME_sigcontext, rt_sigframe_ia32, uc.uc_mcontext);
50 	BLANK();
51 #endif
52 
53 #define ENTRY(entry) OFFSET(pt_regs_ ## entry, pt_regs, entry)
54 	ENTRY(bx);
55 	ENTRY(cx);
56 	ENTRY(dx);
57 	ENTRY(sp);
58 	ENTRY(bp);
59 	ENTRY(si);
60 	ENTRY(di);
61 	ENTRY(r8);
62 	ENTRY(r9);
63 	ENTRY(r10);
64 	ENTRY(r11);
65 	ENTRY(r12);
66 	ENTRY(r13);
67 	ENTRY(r14);
68 	ENTRY(r15);
69 	ENTRY(flags);
70 	BLANK();
71 #undef ENTRY
72 
73 #define ENTRY(entry) OFFSET(saved_context_ ## entry, saved_context, entry)
74 	ENTRY(cr0);
75 	ENTRY(cr2);
76 	ENTRY(cr3);
77 	ENTRY(cr4);
78 	ENTRY(cr8);
79 	ENTRY(gdt_desc);
80 	BLANK();
81 #undef ENTRY
82 
83 	OFFSET(TSS_ist, tss_struct, x86_tss.ist);
84 	BLANK();
85 
86 	DEFINE(__NR_syscall_max, sizeof(syscalls_64) - 1);
87 	DEFINE(NR_syscalls, sizeof(syscalls_64));
88 
89 	DEFINE(__NR_ia32_syscall_max, sizeof(syscalls_ia32) - 1);
90 	DEFINE(IA32_NR_syscalls, sizeof(syscalls_ia32));
91 
92 	return 0;
93 }
94