tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
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/syscall.h>
9
10#define __SYSCALL(nr, sym) extern long __x64_##sym(const struct pt_regs *);
11#define __SYSCALL_NORETURN(nr, sym) extern long __noreturn __x64_##sym(const struct pt_regs *);
12#include <asm/syscalls_64.h>
13#undef __SYSCALL
14
15#undef __SYSCALL_NORETURN
16#define __SYSCALL_NORETURN __SYSCALL
17
18/*
19 * The sys_call_table[] is no longer used for system calls, but
20 * kernel/trace/trace_syscalls.c still wants to know the system
21 * call address.
22 */
23#define __SYSCALL(nr, sym) __x64_##sym,
24const sys_call_ptr_t sys_call_table[] = {
25#include <asm/syscalls_64.h>
26};
27#undef __SYSCALL
28
29#define __SYSCALL(nr, sym) case nr: return __x64_##sym(regs);
30long x64_sys_call(const struct pt_regs *regs, unsigned int nr)
31{
32 switch (nr) {
33 #include <asm/syscalls_64.h>
34 default: return __x64_sys_ni_syscall(regs);
35 }
36};