| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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 <asm/asm-offsets.h> |
| 8 | #include <asm/syscall.h> |
| 9 | |
| 10 | /* this is a lie, but it does not hurt as sys_ni_syscall just returns -EINVAL */ |
| 11 | extern asmlinkage long sys_ni_syscall(const struct pt_regs *); |
| 12 | #define __SYSCALL_64(nr, sym, qual) extern asmlinkage long sym(const struct pt_regs *); |
| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 13 | #define __SYSCALL_X32(nr, sym, qual) __SYSCALL_64(nr, sym, qual) |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 14 | #include <asm/syscalls_64.h> |
| 15 | #undef __SYSCALL_64 |
| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 16 | #undef __SYSCALL_X32 |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 17 | |
| 18 | #define __SYSCALL_64(nr, sym, qual) [nr] = sym, |
| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 19 | #define __SYSCALL_X32(nr, sym, qual) |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 20 | |
| 21 | asmlinkage const sys_call_ptr_t sys_call_table[__NR_syscall_max+1] = { |
| 22 | /* |
| 23 | * Smells like a compiler bug -- it doesn't work |
| 24 | * when the & below is removed. |
| 25 | */ |
| 26 | [0 ... __NR_syscall_max] = &sys_ni_syscall, |
| 27 | #include <asm/syscalls_64.h> |
| 28 | }; |
| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 29 | |
| 30 | #undef __SYSCALL_64 |
| 31 | #undef __SYSCALL_X32 |
| 32 | |
| 33 | #ifdef CONFIG_X86_X32_ABI |
| 34 | |
| 35 | #define __SYSCALL_64(nr, sym, qual) |
| 36 | #define __SYSCALL_X32(nr, sym, qual) [nr] = sym, |
| 37 | |
| 38 | asmlinkage const sys_call_ptr_t x32_sys_call_table[__NR_syscall_x32_max+1] = { |
| 39 | /* |
| 40 | * Smells like a compiler bug -- it doesn't work |
| 41 | * when the & below is removed. |
| 42 | */ |
| 43 | [0 ... __NR_syscall_x32_max] = &sys_ni_syscall, |
| 44 | #include <asm/syscalls_64.h> |
| 45 | }; |
| 46 | |
| 47 | #undef __SYSCALL_64 |
| 48 | #undef __SYSCALL_X32 |
| 49 | |
| 50 | #endif |