1 // SPDX-License-Identifier: GPL-2.0
2 /* System call table for x32 ABI. */
4 #include <linux/linkage.h>
6 #include <linux/cache.h>
7 #include <linux/syscalls.h>
8 #include <asm/unistd.h>
9 #include <asm/syscall.h>
12 * Reuse the 64-bit entry points for the x32 versions that occupy different
13 * slots in the syscall table.
15 #define __x32_sys_readv __x64_sys_readv
16 #define __x32_sys_writev __x64_sys_writev
17 #define __x32_sys_getsockopt __x64_sys_getsockopt
18 #define __x32_sys_setsockopt __x64_sys_setsockopt
19 #define __x32_sys_vmsplice __x64_sys_vmsplice
20 #define __x32_sys_process_vm_readv __x64_sys_process_vm_readv
21 #define __x32_sys_process_vm_writev __x64_sys_process_vm_writev
23 #define __SYSCALL_64(nr, sym)
25 #define __SYSCALL_X32(nr, sym) extern long __x32_##sym(const struct pt_regs *);
26 #define __SYSCALL_COMMON(nr, sym) extern long __x64_##sym(const struct pt_regs *);
27 #include <asm/syscalls_64.h>
29 #undef __SYSCALL_COMMON
31 #define __SYSCALL_X32(nr, sym) [nr] = __x32_##sym,
32 #define __SYSCALL_COMMON(nr, sym) [nr] = __x64_##sym,
34 asmlinkage const sys_call_ptr_t x32_sys_call_table[__NR_x32_syscall_max+1] = {
36 * Smells like a compiler bug -- it doesn't work
37 * when the & below is removed.
39 [0 ... __NR_x32_syscall_max] = &__x64_sys_ni_syscall,
40 #include <asm/syscalls_64.h>