Greg Kroah-Hartman
70a5d86d72
This reverts commit 61e719d64f.
Bug: 171539436
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I7aa7220994a697e745082f2448c3cb2e38358259
42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/* System call table for x32 ABI. */
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#include <linux/linkage.h>
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#include <linux/sys.h>
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#include <linux/cache.h>
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#include <linux/syscalls.h>
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#include <asm/unistd.h>
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#include <asm/syscall.h>
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/*
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* Reuse the 64-bit entry points for the x32 versions that occupy different
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* slots in the syscall table.
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*/
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#define __x32_sys_readv __x64_sys_readv
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#define __x32_sys_writev __x64_sys_writev
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#define __x32_sys_getsockopt __x64_sys_getsockopt
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#define __x32_sys_setsockopt __x64_sys_setsockopt
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#define __x32_sys_vmsplice __x64_sys_vmsplice
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#define __x32_sys_process_vm_readv __x64_sys_process_vm_readv
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#define __x32_sys_process_vm_writev __x64_sys_process_vm_writev
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#define __SYSCALL_64(nr, sym)
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#define __SYSCALL_X32(nr, sym) extern long __x32_##sym(const struct pt_regs *);
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#define __SYSCALL_COMMON(nr, sym) extern long __x64_##sym(const struct pt_regs *);
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#include <asm/syscalls_64.h>
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#undef __SYSCALL_X32
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#undef __SYSCALL_COMMON
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#define __SYSCALL_X32(nr, sym) [nr] = __x32_##sym,
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#define __SYSCALL_COMMON(nr, sym) [nr] = __x64_##sym,
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asmlinkage const sys_call_ptr_t x32_sys_call_table[__NR_x32_syscall_max+1] = {
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/*
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* Smells like a compiler bug -- it doesn't work
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* when the & below is removed.
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*/
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[0 ... __NR_x32_syscall_max] = &__x64_sys_ni_syscall,
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#include <asm/syscalls_64.h>
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};
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