linux/arch/x86/entry/syscall_x32.c
Brian Gerst 0872098804 x86/entry: Move max syscall number calculation to syscallhdr.sh
Instead of using an array in asm-offsets to calculate the max syscall
number, calculate it when writing out the syscall headers.

Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20200313195144.164260-9-brgerst@gmail.com
2020-03-21 16:03:21 +01:00

27 lines
712 B
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>
#define __SYSCALL_64(nr, sym, qual)
#define __SYSCALL_X32(nr, sym, qual) extern asmlinkage long sym(const struct pt_regs *);
#include <asm/syscalls_64.h>
#undef __SYSCALL_X32
#define __SYSCALL_X32(nr, sym, qual) [nr] = 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>
};