1 // SPDX-License-Identifier: GPL-2.0 2 /* System call table for x86-64. */ 3 4 #include <linux/linkage.h> 5 #include <linux/sys.h> 6 #include <linux/cache.h> 7 #include <linux/syscalls.h> 8 #include <asm/asm-offsets.h> 9 #include <asm/syscall.h> 10 11 extern asmlinkage long sys_ni_syscall(void); 12 13 SYSCALL_DEFINE0(ni_syscall) 14 { 15 return sys_ni_syscall(); 16 } 17 18 #define __SYSCALL_64(nr, sym, qual) extern asmlinkage long sym(const struct pt_regs *); 19 #define __SYSCALL_X32(nr, sym, qual) __SYSCALL_64(nr, sym, qual) 20 #include <asm/syscalls_64.h> 21 #undef __SYSCALL_64 22 #undef __SYSCALL_X32 23 24 #define __SYSCALL_64(nr, sym, qual) [nr] = sym, 25 #define __SYSCALL_X32(nr, sym, qual) 26 27 asmlinkage const sys_call_ptr_t sys_call_table[__NR_syscall_max+1] = { 28 /* 29 * Smells like a compiler bug -- it doesn't work 30 * when the & below is removed. 31 */ 32 [0 ... __NR_syscall_max] = &__x64_sys_ni_syscall, 33 #include <asm/syscalls_64.h> 34 }; 35 36 #undef __SYSCALL_64 37 #undef __SYSCALL_X32 38 39 #ifdef CONFIG_X86_X32_ABI 40 41 #define __SYSCALL_64(nr, sym, qual) 42 #define __SYSCALL_X32(nr, sym, qual) [nr] = sym, 43 44 asmlinkage const sys_call_ptr_t x32_sys_call_table[__NR_syscall_x32_max+1] = { 45 /* 46 * Smells like a compiler bug -- it doesn't work 47 * when the & below is removed. 48 */ 49 [0 ... __NR_syscall_x32_max] = &__x64_sys_ni_syscall, 50 #include <asm/syscalls_64.h> 51 }; 52 53 #undef __SYSCALL_64 54 #undef __SYSCALL_X32 55 56 #endif 57