x86/syscalls: Split the x32 syscalls into their own table
[sfrench/cifs-2.6.git] / arch / x86 / kernel / asm-offsets_64.c
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 #define __SYSCALL_X32(nr, sym, qual)
10 static char syscalls_64[] = {
11 #include <asm/syscalls_64.h>
12 };
13 #undef __SYSCALL_64
14 #undef __SYSCALL_X32
15
16 #ifdef CONFIG_X86_X32_ABI
17 #define __SYSCALL_64(nr, sym, qual)
18 #define __SYSCALL_X32(nr, sym, qual) [nr] = 1,
19 static char syscalls_x32[] = {
20 #include <asm/syscalls_64.h>
21 };
22 #undef __SYSCALL_64
23 #undef __SYSCALL_X32
24 #endif
25
26 #define __SYSCALL_I386(nr, sym, qual) [nr] = 1,
27 static char syscalls_ia32[] = {
28 #include <asm/syscalls_32.h>
29 };
30 #undef __SYSCALL_I386
31
32 #if defined(CONFIG_KVM_GUEST) && defined(CONFIG_PARAVIRT_SPINLOCKS)
33 #include <asm/kvm_para.h>
34 #endif
35
36 int main(void)
37 {
38 #ifdef CONFIG_PARAVIRT
39 #ifdef CONFIG_PARAVIRT_XXL
40         OFFSET(PV_CPU_usergs_sysret64, paravirt_patch_template,
41                cpu.usergs_sysret64);
42         OFFSET(PV_CPU_swapgs, paravirt_patch_template, cpu.swapgs);
43 #ifdef CONFIG_DEBUG_ENTRY
44         OFFSET(PV_IRQ_save_fl, paravirt_patch_template, irq.save_fl);
45 #endif
46 #endif
47         BLANK();
48 #endif
49
50 #if defined(CONFIG_KVM_GUEST) && defined(CONFIG_PARAVIRT_SPINLOCKS)
51         OFFSET(KVM_STEAL_TIME_preempted, kvm_steal_time, preempted);
52         BLANK();
53 #endif
54
55 #define ENTRY(entry) OFFSET(pt_regs_ ## entry, pt_regs, entry)
56         ENTRY(bx);
57         ENTRY(cx);
58         ENTRY(dx);
59         ENTRY(sp);
60         ENTRY(bp);
61         ENTRY(si);
62         ENTRY(di);
63         ENTRY(r8);
64         ENTRY(r9);
65         ENTRY(r10);
66         ENTRY(r11);
67         ENTRY(r12);
68         ENTRY(r13);
69         ENTRY(r14);
70         ENTRY(r15);
71         ENTRY(flags);
72         BLANK();
73 #undef ENTRY
74
75 #define ENTRY(entry) OFFSET(saved_context_ ## entry, saved_context, entry)
76         ENTRY(cr0);
77         ENTRY(cr2);
78         ENTRY(cr3);
79         ENTRY(cr4);
80         ENTRY(cr8);
81         ENTRY(gdt_desc);
82         BLANK();
83 #undef ENTRY
84
85         OFFSET(TSS_ist, tss_struct, x86_tss.ist);
86         DEFINE(DB_STACK_OFFSET, offsetof(struct cea_exception_stacks, DB_stack) -
87                offsetof(struct cea_exception_stacks, DB1_stack));
88         BLANK();
89
90 #ifdef CONFIG_STACKPROTECTOR
91         DEFINE(stack_canary_offset, offsetof(struct fixed_percpu_data, stack_canary));
92         BLANK();
93 #endif
94
95         DEFINE(__NR_syscall_max, sizeof(syscalls_64) - 1);
96         DEFINE(NR_syscalls, sizeof(syscalls_64));
97
98 #ifdef CONFIG_X86_X32_ABI
99         DEFINE(__NR_syscall_x32_max, sizeof(syscalls_x32) - 1);
100         DEFINE(X32_NR_syscalls, sizeof(syscalls_x32));
101 #endif
102
103         DEFINE(__NR_syscall_compat_max, sizeof(syscalls_ia32) - 1);
104         DEFINE(IA32_NR_syscalls, sizeof(syscalls_ia32));
105
106         return 0;
107 }