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/unistd.h> 9 #include <asm/syscall.h> 10 11 /* 12 * Reuse the 64-bit entry points for the x32 versions that occupy different 13 * slots in the syscall table. 14 */ 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 22 23 #define __SYSCALL_64(nr, sym) 24 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> 28 #undef __SYSCALL_X32 29 #undef __SYSCALL_COMMON 30 31 #define __SYSCALL_X32(nr, sym) [nr] = __x32_##sym, 32 #define __SYSCALL_COMMON(nr, sym) [nr] = __x64_##sym, 33 34 asmlinkage const sys_call_ptr_t x32_sys_call_table[__NR_x32_syscall_max+1] = { 35 /* 36 * Smells like a compiler bug -- it doesn't work 37 * when the & below is removed. 38 */ 39 [0 ... __NR_x32_syscall_max] = &__x64_sys_ni_syscall, 40 #include <asm/syscalls_64.h> 41 }; 42