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authorGuo Ren <guoren@linux.alibaba.com>2022-04-05 10:13:05 +0300
committerPalmer Dabbelt <palmer@rivosinc.com>2022-04-26 23:36:25 +0300
commit59c10c52f573faca862cda5ebcdd43831608eb5a (patch)
tree786a8dd25890ba8b97f07f01011c02d4a869ad08 /include/linux/compat.h
parent01abdfeac81b5f56062d0a78f2cdc805db937a75 (diff)
downloadlinux-59c10c52f573faca862cda5ebcdd43831608eb5a.tar.xz
riscv: compat: syscall: Add compat_sys_call_table implementation
Implement compat sys_call_table and some system call functions: truncate64, ftruncate64, fallocate, pread64, pwrite64, sync_file_range, readahead, fadvise64_64 which need argument translation. Signed-off-by: Guo Ren <guoren@linux.alibaba.com> Signed-off-by: Guo Ren <guoren@kernel.org> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Tested-by: Heiko Stuebner <heiko@sntech.de> Link: https://lore.kernel.org/r/20220405071314.3225832-12-guoren@kernel.org Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'include/linux/compat.h')
-rw-r--r--include/linux/compat.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/include/linux/compat.h b/include/linux/compat.h
index a0481fe6c5d5..ce6cd9b30d27 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -926,6 +926,43 @@ asmlinkage long compat_sys_sigaction(int sig,
/* obsolete: net/socket.c */
asmlinkage long compat_sys_socketcall(int call, u32 __user *args);
+#ifdef __ARCH_WANT_COMPAT_TRUNCATE64
+asmlinkage long compat_sys_truncate64(const char __user *pathname, compat_arg_u64(len));
+#endif
+
+#ifdef __ARCH_WANT_COMPAT_FTRUNCATE64
+asmlinkage long compat_sys_ftruncate64(unsigned int fd, compat_arg_u64(len));
+#endif
+
+#ifdef __ARCH_WANT_COMPAT_FALLOCATE
+asmlinkage long compat_sys_fallocate(int fd, int mode, compat_arg_u64(offset),
+ compat_arg_u64(len));
+#endif
+
+#ifdef __ARCH_WANT_COMPAT_PREAD64
+asmlinkage long compat_sys_pread64(unsigned int fd, char __user *buf, size_t count,
+ compat_arg_u64(pos));
+#endif
+
+#ifdef __ARCH_WANT_COMPAT_PWRITE64
+asmlinkage long compat_sys_pwrite64(unsigned int fd, const char __user *buf, size_t count,
+ compat_arg_u64(pos));
+#endif
+
+#ifdef __ARCH_WANT_COMPAT_SYNC_FILE_RANGE
+asmlinkage long compat_sys_sync_file_range(int fd, compat_arg_u64(pos),
+ compat_arg_u64(nbytes), unsigned int flags);
+#endif
+
+#ifdef __ARCH_WANT_COMPAT_FADVISE64_64
+asmlinkage long compat_sys_fadvise64_64(int fd, compat_arg_u64(pos),
+ compat_arg_u64(len), int advice);
+#endif
+
+#ifdef __ARCH_WANT_COMPAT_READAHEAD
+asmlinkage long compat_sys_readahead(int fd, compat_arg_u64(offset), size_t count);
+#endif
+
#endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */
/**