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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364// SPDX-License-Identifier: GPL-2.0-only/* * AArch64-specific system calls implementation * * Copyright (C) 2012 ARM Ltd. * Author: Catalin Marinas <catalin.marinas@arm.com> */
#include <linux/compiler.h>#include <linux/errno.h>#include <linux/fs.h>#include <linux/mm.h>#include <linux/export.h>#include <linux/sched.h>#include <linux/slab.h>#include <linux/syscalls.h>
#include <asm/cpufeature.h>#include <asm/syscall.h>
SYSCALL_DEFINE6(mmap, unsigned long, addr, unsigned long, len, unsigned long, prot, unsigned long, flags, unsigned long, fd, unsigned long, off){ if (offset_in_page(off) != 0) return -EINVAL;
return ksys_mmap_pgoff(addr, len, prot, flags, fd, off >> PAGE_SHIFT);}
SYSCALL_DEFINE1(arm64_personality, unsigned int, personality){ if (personality(personality) == PER_LINUX32 && !system_supports_32bit_el0()) return -EINVAL; return ksys_personality(personality);}
asmlinkage long sys_ni_syscall(void);
asmlinkage long __arm64_sys_ni_syscall(const struct pt_regs *__unused){ return sys_ni_syscall();}
/* * Wrappers to pass the pt_regs argument. */#define __arm64_sys_personality __arm64_sys_arm64_personality
#define __SYSCALL_WITH_COMPAT(nr, native, compat) __SYSCALL(nr, native)
#undef __SYSCALL#define __SYSCALL(nr, sym) asmlinkage long __arm64_##sym(const struct pt_regs *);#include <asm/syscall_table_64.h>
#undef __SYSCALL#define __SYSCALL(nr, sym) [nr] = __arm64_##sym,
const syscall_fn_t sys_call_table[__NR_syscalls] = { [0 ... __NR_syscalls - 1] = __arm64_sys_ni_syscall,#include <asm/syscall_table_64.h>};