^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /* System call table for x32 ABI. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) #include <linux/linkage.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #include <linux/sys.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include <linux/cache.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <linux/syscalls.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <asm/unistd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <asm/syscall.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * Reuse the 64-bit entry points for the x32 versions that occupy different
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * slots in the syscall table.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #define __x32_sys_readv __x64_sys_readv
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #define __x32_sys_writev __x64_sys_writev
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #define __x32_sys_getsockopt __x64_sys_getsockopt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #define __x32_sys_setsockopt __x64_sys_setsockopt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define __x32_sys_vmsplice __x64_sys_vmsplice
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define __x32_sys_process_vm_readv __x64_sys_process_vm_readv
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define __x32_sys_process_vm_writev __x64_sys_process_vm_writev
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define __SYSCALL_64(nr, sym)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define __SYSCALL_X32(nr, sym) extern long __x32_##sym(const struct pt_regs *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define __SYSCALL_COMMON(nr, sym) extern long __x64_##sym(const struct pt_regs *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include <asm/syscalls_64.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #undef __SYSCALL_X32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #undef __SYSCALL_COMMON
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define __SYSCALL_X32(nr, sym) [nr] = __x32_##sym,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #define __SYSCALL_COMMON(nr, sym) [nr] = __x64_##sym,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) asmlinkage const sys_call_ptr_t x32_sys_call_table[__NR_x32_syscall_max+1] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * Smells like a compiler bug -- it doesn't work
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) * when the & below is removed.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) [0 ... __NR_x32_syscall_max] = &__x64_sys_ni_syscall,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #include <asm/syscalls_64.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) };