xref: /openbmc/linux/arch/x86/entry/syscall_32.c (revision e4c881d2)
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 
18 #include <asm/syscalls_32.h>
19 #undef __SYSCALL
20 
21 /*
22  * The sys_call_table[] is no longer used for system calls, but
23  * kernel/trace/trace_syscalls.c still wants to know the system
24  * call address.
25  */
26 #ifdef CONFIG_X86_32
27 #define __SYSCALL(nr, sym) __ia32_##sym,
28 const sys_call_ptr_t sys_call_table[] = {
29 #include <asm/syscalls_32.h>
30 };
31 #undef __SYSCALL
32 #endif
33 
34 #define __SYSCALL(nr, sym) case nr: return __ia32_##sym(regs);
35 
36 long ia32_sys_call(const struct pt_regs *regs, unsigned int nr)
37 {
38 	switch (nr) {
39 	#include <asm/syscalls_32.h>
40 	default: return __ia32_sys_ni_syscall(regs);
41 	}
42 };
43