unix: use the stat64 family and fix Stat_t on linux/sparc64

unix/linux/types.go

@@ -216,6 +216,34 @@ typedef struct {
 
 	long			st_blocks;
 } my_stat;
+#elif defined(__sparc__) && defined(__arch64__)
+
+// The glibc and kernel stat do not agree on sparc64 either: glibc puts st_ino
+// at offset 16 and st_nlink at 28, the kernel at 8 and 16. The raw syscalls
+// fill the kernel's struct stat64, so use that, with the same adjustments as
+// above.
+typedef struct {
+	unsigned long		st_dev;
+	unsigned long		st_ino;
+	unsigned long		st_nlink;
+
+	unsigned int		st_mode;
+	unsigned int		st_uid;
+	unsigned int		st_gid;
+	unsigned int		__pad0;
+
+	unsigned long		st_rdev;
+	long			st_size;
+	long			st_blksize;
+	long			st_blocks;
+
+	// Declared as six separate longs in the kernel.
+	struct timespec		st_atim;
+	struct timespec		st_mtim;
+	struct timespec		st_ctim;
+
+	long			__unused[3];
+} my_stat;
 #else
 typedef struct stat my_stat;
 #endif

unix/syscall_linux_sparc64.go

@@ -8,7 +8,7 @@ package unix
 
 //sys	Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64
 //sys	Fchown(fd int, uid int, gid int) (err error)
-//sys	Fstat(fd int, stat *Stat_t) (err error)
+//sys	Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64
 //sys	Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64
 //sys	Fstatfs(fd int, buf *Statfs_t) (err error)
 //sys	Ftruncate(fd int, length int64) (err error)
@@ -19,7 +19,7 @@ package unix
 //sysnb	Getuid() (uid int)
 //sys	Lchown(path string, uid int, gid int) (err error)
 //sys	Listen(s int, n int) (err error)
-//sys	Lstat(path string, stat *Stat_t) (err error)
+//sys	Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64
 //sys	Pause() (err error)
 //sys	pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
 //sys	pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
@@ -31,7 +31,7 @@ package unix
 //sys	setfsuid(uid int) (prev int, err error)
 //sys	Shutdown(fd int, how int) (err error)
 //sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error)
-//sys	Stat(path string, stat *Stat_t) (err error)
+//sys	Stat(path string, stat *Stat_t) (err error) = SYS_STAT64
 //sys	Statfs(path string, buf *Statfs_t) (err error)
 //sys	SyncFileRange(fd int, off int64, n int64, flags int) (err error)
 //sys	Truncate(path string, length int64) (err error)