1 // SPDX-License-Identifier: GPL-2.0
2 /* System call table for i386. */
3
4 #include <linux/linkage.h>
5 #include <linux/sys.h>
6 #include <linux/cache.h>
7 #include <linux/syscalls.h>
8 #include <asm/syscall.h>
9
10 #ifdef CONFIG_IA32_EMULATION
11 #define __SYSCALL_WITH_COMPAT(nr, native, compat) __SYSCALL(nr, compat)
12 #else
13 #define __SYSCALL_WITH_COMPAT(nr, native, compat) __SYSCALL(nr, native)
14 #endif
15
16 #define __SYSCALL(nr, sym) extern long __ia32_##sym(const struct pt_regs *);
17 #define __SYSCALL_NORETURN(nr, sym) extern long __noreturn __ia32_##sym(const struct pt_regs *);
18 #include <asm/syscalls_32.h>
19 #undef __SYSCALL
20
21 #undef __SYSCALL_NORETURN
22 #define __SYSCALL_NORETURN __SYSCALL
23
24 /*
25 * The sys_call_table[] is no longer used for system calls, but
26 * kernel/trace/trace_syscalls.c still wants to know the system
27 * call address.
28 */
29 #ifdef CONFIG_X86_32
30 #define __SYSCALL(nr, sym) __ia32_##sym,
31 const sys_call_ptr_t sys_call_table[] = {
32 #include <asm/syscalls_32.h>
33 };
34 #undef __SYSCALL
35 #endif
36
37 #define __SYSCALL(nr, sym) case nr: return __ia32_##sym(regs);
ia32_sys_call(const struct pt_regs * regs,unsigned int nr)38 long ia32_sys_call(const struct pt_regs *regs, unsigned int nr)
39 {
40 switch (nr) {
41 #include <asm/syscalls_32.h>
42 default: return __ia32_sys_ni_syscall(regs);
43 }
44 };
45