In uClibc almost all architectures uses their own kernel_stat.h header, so
i follow this way. Also we have to handle what time_t we use - 32bit or
64bit and make time structures in kernel_stat structure in accordance with
this.
For other architectures (ARM, PPC, MIPS, xtensa) we already use the same
scheme. These are the arguments to use the solution that I implemented :)
чт, 29 февр. 2024 г. в 00:03, Stafford Horne <sho...@gmail.com>:
> On Wed, Feb 28, 2024 at 11:46:09AM +0300, Dmitry Chestnykh wrote:
> > Signed-off-by: Dmitry Chestnykh <dm.chestn...@gmail.com>
> > ---
> > extra/Configs/Config.in | 1 +
> > libc/sysdeps/linux/or1k/bits/kernel_stat.h | 37 +++++++++++++++++++
> > .../linux/or1k/bits/uClibc_arch_features.h | 3 --
> > 3 files changed, 38 insertions(+), 3 deletions(-)
> > create mode 100644 libc/sysdeps/linux/or1k/bits/kernel_stat.h
> >
> > diff --git a/extra/Configs/Config.in b/extra/Configs/Config.in
> > index c7c502040..ded1f72c9 100644
> > --- a/extra/Configs/Config.in
> > +++ b/extra/Configs/Config.in
> > @@ -1028,6 +1028,7 @@ config UCLIBC_USE_TIME64
> > bool "Use *time64 syscalls instead of 32bit ones (if possible)"
> > depends on TARGET_arm || \
> > (TARGET_mips && !CONFIG_MIPS_N64_ABI) || \
> > + TARGET_or1k || \
> > TARGET_powerpc || \
> > TARGET_xtensa
> > # TODO: add support for other architectures
> > diff --git a/libc/sysdeps/linux/or1k/bits/kernel_stat.h
> b/libc/sysdeps/linux/or1k/bits/kernel_stat.h
> > new file mode 100644
> > index 000000000..cec44ecfc
> > --- /dev/null
> > +++ b/libc/sysdeps/linux/or1k/bits/kernel_stat.h
> > @@ -0,0 +1,37 @@
> > +#ifndef _BITS_STAT_STRUCT_H
> > +#define _BITS_STAT_STRUCT_H
> > +
> > +#if defined(__UCLIBC_USE_TIME64__)
> > +#include "internal/time64_helpers.h"
> > +#endif
> > +
> > +struct kernel_stat {
> > + unsigned long st_dev; /* Device. */
> > + unsigned long st_ino; /* File serial number. */
> > + unsigned int st_mode; /* File mode. */
> > + unsigned int st_nlink; /* Link count. */
> > + unsigned int st_uid; /* User ID of the file's owner. */
> > + unsigned int st_gid; /* Group ID of the file's group. */
> > + unsigned long st_rdev; /* Device number, if device. */
> > + unsigned long __pad1;
> > + long st_size; /* Size of file, in bytes. */
> > + int st_blksize; /* Optimal block size for I/O. */
> > + int __pad2;
> > + long st_blocks; /* Number 512-byte blocks
> allocated. */
> > +#if defined(__UCLIBC_USE_TIME64__)
> > + struct __ts32_struct __st_atim32;
> > + struct __ts32_struct __st_mtim32;
> > + struct __ts32_struct __st_ctim32;
> > +#else
> > + struct timespec st_atim;
> > + struct timespec st_mtim;
> > + struct timespec st_ctim;
> > +#endif
> > + unsigned int __unused4;
> > + unsigned int __unused5;
> > +};
> > +
> > +#define kernel_stat64 kernel_stat
> > +
> > +#endif /* _BITS_STAT_STRUCT_H */
> > +
>
> Why is this struct needed for openrisc? It looks like something that is
> common
> and could be shared/imported?
>
> > diff --git a/libc/sysdeps/linux/or1k/bits/uClibc_arch_features.h
> b/libc/sysdeps/linux/or1k/bits/uClibc_arch_features.h
> > index a9560b0b9..e11e71f88 100644
> > --- a/libc/sysdeps/linux/or1k/bits/uClibc_arch_features.h
> > +++ b/libc/sysdeps/linux/or1k/bits/uClibc_arch_features.h
> > @@ -14,9 +14,6 @@
> > /* can your target use syscall6() for mmap ? */
> > #define __UCLIBC_MMAP_HAS_6_ARGS__
> >
> > -/* does your target use statx */
> > -#undef __UCLIBC_HAVE_STATX__
> > -
> > /* does your target have a broken create_module() ? */
> > #undef __UCLIBC_BROKEN_CREATE_MODULE__
> >
> > --
> > 2.44.0
> >
>
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