xref: /linux/arch/x86/entry/syscall_x32.c (revision 55d0969c451159cff86949b38c39171cab962069)
1 // SPDX-License-Identifier: GPL-2.0
2 /* System call table for x32 ABI. */
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 #define __SYSCALL(nr, sym) extern long __x64_##sym(const struct pt_regs *);
11 #define __SYSCALL_NORETURN(nr, sym) extern long __noreturn __x64_##sym(const struct pt_regs *);
12 #include <asm/syscalls_x32.h>
13 #undef  __SYSCALL
14 
15 #undef  __SYSCALL_NORETURN
16 #define __SYSCALL_NORETURN __SYSCALL
17 
18 #define __SYSCALL(nr, sym) case nr: return __x64_##sym(regs);
19 long x32_sys_call(const struct pt_regs *regs, unsigned int nr)
20 {
21 	switch (nr) {
22 	#include <asm/syscalls_x32.h>
23 	default: return __x64_sys_ni_syscall(regs);
24 	}
25 };
26