42 строки
1.3 KiB
C
42 строки
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/* System call table for x32 ABI. */
|
|
|
|
#include <linux/linkage.h>
|
|
#include <linux/sys.h>
|
|
#include <linux/cache.h>
|
|
#include <linux/syscalls.h>
|
|
#include <asm/unistd.h>
|
|
#include <asm/syscall.h>
|
|
|
|
/*
|
|
* Reuse the 64-bit entry points for the x32 versions that occupy different
|
|
* slots in the syscall table.
|
|
*/
|
|
#define __x32_sys_readv __x64_sys_readv
|
|
#define __x32_sys_writev __x64_sys_writev
|
|
#define __x32_sys_getsockopt __x64_sys_getsockopt
|
|
#define __x32_sys_setsockopt __x64_sys_setsockopt
|
|
#define __x32_sys_vmsplice __x64_sys_vmsplice
|
|
#define __x32_sys_process_vm_readv __x64_sys_process_vm_readv
|
|
#define __x32_sys_process_vm_writev __x64_sys_process_vm_writev
|
|
|
|
#define __SYSCALL_64(nr, sym)
|
|
|
|
#define __SYSCALL_X32(nr, sym) extern long __x32_##sym(const struct pt_regs *);
|
|
#define __SYSCALL_COMMON(nr, sym) extern long __x64_##sym(const struct pt_regs *);
|
|
#include <asm/syscalls_64.h>
|
|
#undef __SYSCALL_X32
|
|
#undef __SYSCALL_COMMON
|
|
|
|
#define __SYSCALL_X32(nr, sym) [nr] = __x32_##sym,
|
|
#define __SYSCALL_COMMON(nr, sym) [nr] = __x64_##sym,
|
|
|
|
asmlinkage const sys_call_ptr_t x32_sys_call_table[__NR_x32_syscall_max+1] = {
|
|
/*
|
|
* Smells like a compiler bug -- it doesn't work
|
|
* when the & below is removed.
|
|
*/
|
|
[0 ... __NR_x32_syscall_max] = &__x64_sys_ni_syscall,
|
|
#include <asm/syscalls_64.h>
|
|
};
|