https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103604
--- Comment #12 from YunQiang Su <syq at debian dot org> ---
(In reply to YunQiang Su from comment #11)
> (In reply to Iain Buclaw from comment #10)
> > (In reply to YunQiang Su from comment #6)
> > >
> > > This patch can solve this problem: of course, we need to back port it to
> > > gcc-10/gcc-11 also.
> > >
> > > The problem is due to that:
> > > N32 and N64 uses different "struct stat"
> > > In the older version, __USE_FILE_OFFSET64 may be not defined for N64
> > > while now, it is defined.
> > Is this patch backwards compatible though? Perhaps the value of
> > `__USE_FILE_OFFSET64` should instead be fixed to match that of the target.
>
> ohhh. you are right. I misunderstand this problem.
There are no previous version at all..., since all of them are broken.
And __USE_FILE_OFFSET64 for D is always defined (at least since it is introduce
into gcc).
So *stat64* function call should always be used, and stat.d has a wrong
version.
So the patch should be:
Index: gcc-12-12-20211211/src/libphobos/libdruntime/core/sys/posix/sys/stat.d
===================================================================
--- gcc-12-12-20211211.orig/src/libphobos/libdruntime/core/sys/posix/sys/stat.d
+++ gcc-12-12-20211211/src/libphobos/libdruntime/core/sys/posix/sys/stat.d
@@ -368,7 +368,7 @@ version (CRuntime_Glibc)
}
else
{
- c_long[3] st_pad2;
+ uint[3] st_pad2;
c_long st_size;
}
static if (__USE_MISC || __USE_XOPEN2K8)
@@ -402,7 +402,7 @@ version (CRuntime_Glibc)
{
c_long st_blocks;
}
- c_long[14] st_pad5;
+ uint[14] st_pad5;
}
}
else version (PPC)
This is the gdb ptype /o outputs:
type = struct core.sys.posix.sys.stat.stat_t {
ulong st_dev;
int st_pad1[3];
ulong st_ino;
uint st_mode;
ulong st_nlink;
uint st_uid;
uint st_gid;
ulong st_rdev;
long st_pad2[3];
long st_size;
long st_atime;
ulong st_atimensec;
long st_mtime;
ulong st_mtimensec;
long st_ctime;
ulong st_ctimensec;
long st_blksize;
uint st_pad4;
long st_blocks;
long st_pad5[14];
}
/* offset | size */ type = struct stat {
/* 0 | 8 */ __dev_t st_dev;
/* 8 | 12 */ int st_pad1[3];
/* XXX 4-byte hole */
/* 24 | 8 */ __ino64_t st_ino;
/* 32 | 4 */ __mode_t st_mode;
/* XXX 4-byte hole */
/* 40 | 8 */ __nlink_t st_nlink;
/* 48 | 4 */ __uid_t st_uid;
/* 52 | 4 */ __gid_t st_gid;
/* 56 | 8 */ __dev_t st_rdev;
/* 64 | 12 */ unsigned int st_pad2[3];
/* XXX 4-byte hole */
/* 80 | 8 */ __off64_t st_size;
/* 88 | 16 */ struct timespec {
/* 88 | 8 */ __time_t tv_sec;
/* 96 | 8 */ __syscall_slong_t tv_nsec;
/* total size (bytes): 16 */
} st_atim;
/* 104 | 16 */ struct timespec {
/* 104 | 8 */ __time_t tv_sec;
/* 112 | 8 */ __syscall_slong_t tv_nsec;
/* total size (bytes): 16 */
} st_mtim;
/* 120 | 16 */ struct timespec {
/* 120 | 8 */ __time_t tv_sec;
/* 128 | 8 */ __syscall_slong_t tv_nsec;
/* total size (bytes): 16 */
} st_ctim;
/* 136 | 8 */ __blksize_t st_blksize;
/* 144 | 4 */ unsigned int st_pad4;
/* XXX 4-byte hole */
/* 152 | 8 */ __blkcnt64_t st_blocks;
/* 160 | 56 */ int st_pad5[14];
/* total size (bytes): 216 */
}
