linux/arch/x86/entry/syscall_x32.c
Brian Gerst cab56d3484 x86/entry: Remove ABI prefixes from functions in syscall tables
Move the ABI prefixes to the __SYSCALL_[abi]() macros.  This allows removal
of the need to strip the prefix for UML.

Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20200313195144.164260-13-brgerst@gmail.com
2020-03-21 16:03:23 +01:00

30 lines
882 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)
#define __SYSCALL_X32(nr, sym) extern asmlinkage long __x32_##sym(const struct pt_regs *);
#define __SYSCALL_COMMON(nr, sym) extern asmlinkage 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>
};