arch/riscv/kernel/compat_syscall_table.c

Source file repositories/reference/linux-study-clean/arch/riscv/kernel/compat_syscall_table.c

File Facts

System
Linux kernel
Corpus path
arch/riscv/kernel/compat_syscall_table.c
Extension
.c
Size
694 bytes
Lines
26
Domain
Architecture Layer
Bucket
arch/riscv
Inferred role
Architecture Layer: syscall or user/kernel boundary
Status
core implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0-only

#define __SYSCALL_COMPAT

#include <linux/compat.h>
#include <linux/syscalls.h>
#include <asm-generic/mman-common.h>
#include <asm-generic/syscalls.h>
#include <asm/syscall.h>

#define __SYSCALL_WITH_COMPAT(nr, native, compat) __SYSCALL(nr, compat)

#undef __SYSCALL
#define __SYSCALL(nr, call)	asmlinkage long __riscv_##call(const struct pt_regs *);
#include <asm/syscall_table_32.h>

#undef __SYSCALL
#define __SYSCALL(nr, call)      [nr] = __riscv_##call,

asmlinkage long compat_sys_rt_sigreturn(void);

void * const compat_sys_call_table[__NR_syscalls] = {
	[0 ... __NR_syscalls - 1] = __riscv_sys_ni_syscall,
#include <asm/syscall_table_32.h>
};

Annotation

Implementation Notes