xref: /linux/arch/x86/entry/syscall_32.c (revision 6fdcba32711044c35c0e1b094cbd8f3f0b4472c9)
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 <asm/asm-offsets.h>
8 #include <asm/syscall.h>
9 
10 #ifdef CONFIG_IA32_EMULATION
11 /* On X86_64, we use struct pt_regs * to pass parameters to syscalls */
12 #define __SYSCALL_I386(nr, sym, qual) extern asmlinkage long sym(const struct pt_regs *);
13 #define __sys_ni_syscall __ia32_sys_ni_syscall
14 #else /* CONFIG_IA32_EMULATION */
15 #define __SYSCALL_I386(nr, sym, qual) extern asmlinkage long sym(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long);
16 extern asmlinkage long sys_ni_syscall(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long);
17 #define __sys_ni_syscall sys_ni_syscall
18 #endif /* CONFIG_IA32_EMULATION */
19 
20 #include <asm/syscalls_32.h>
21 #undef __SYSCALL_I386
22 
23 #define __SYSCALL_I386(nr, sym, qual) [nr] = sym,
24 
25 __visible const sys_call_ptr_t ia32_sys_call_table[__NR_syscall_compat_max+1] = {
26 	/*
27 	 * Smells like a compiler bug -- it doesn't work
28 	 * when the & below is removed.
29 	 */
30 	[0 ... __NR_syscall_compat_max] = &__sys_ni_syscall,
31 #include <asm/syscalls_32.h>
32 };
33