diff options
Diffstat (limited to 'ldso/include/dl-syscall.h')
| -rw-r--r-- | ldso/include/dl-syscall.h | 64 |
1 files changed, 63 insertions, 1 deletions
diff --git a/ldso/include/dl-syscall.h b/ldso/include/dl-syscall.h index 9d80c6a26..55688e1c1 100644 --- a/ldso/include/dl-syscall.h +++ b/ldso/include/dl-syscall.h @@ -36,9 +36,37 @@ extern int _dl_errno; /* 1. common-generic ABI doesn't need kernel_stat translation * 3. S_IS?ID already provided by stat.h */ +#include <fcntl.h> #include <sys/stat.h> +#include <dl-string.h> + +static __always_inline void +__cp_stat_statx (struct stat *to, struct statx *from) +{ + _dl_memset (to, 0, sizeof (struct stat)); + to->st_dev = ((from->stx_dev_minor & 0xff) | (from->stx_dev_major << 8) + | ((from->stx_dev_minor & ~0xff) << 12)); + to->st_rdev = ((from->stx_rdev_minor & 0xff) | (from->stx_rdev_major << 8) + | ((from->stx_rdev_minor & ~0xff) << 12)); + to->st_ino = from->stx_ino; + to->st_mode = from->stx_mode; + to->st_nlink = from->stx_nlink; + to->st_uid = from->stx_uid; + to->st_gid = from->stx_gid; + to->st_atime = from->stx_atime.tv_sec; + to->st_atim.tv_nsec = from->stx_atime.tv_nsec; + to->st_mtime = from->stx_mtime.tv_sec; + to->st_mtim.tv_nsec = from->stx_mtime.tv_nsec; + to->st_ctime = from->stx_ctime.tv_sec; + to->st_ctim.tv_nsec = from->stx_ctime.tv_nsec; + to->st_size = from->stx_size; + to->st_blocks = from->stx_blocks; + to->st_blksize = from->stx_blksize; +} #endif +#define AT_NO_AUTOMOUNT 0x800 +#define AT_EMPTY_PATH 0x1000 /* Here are the definitions for some syscalls that are used by the dynamic linker. The idea is that we want to be able @@ -109,14 +137,48 @@ static __always_inline int _dl_stat(const char *file_name, # define __NR__dl_stat __NR_stat static __always_inline _syscall2(int, _dl_stat, const char *, file_name, struct stat *, buf) + +#elif defined __NR_statx && defined __UCLIBC_HAVE_STATX__ +# define __NR__dl_statx __NR_statx +# include <fcntl.h> +# include <statx_cp.h> + +static __always_inline _syscall5(int, _dl_statx, int, fd, const char *, file_name, int, flags, + unsigned int, mask, struct statx *, buf); + +static __always_inline int _dl_stat(const char *file_name, + struct stat *buf) +{ + struct statx tmp; + int rc = _dl_statx(AT_FDCWD, file_name, AT_NO_AUTOMOUNT, STATX_BASIC_STATS, &tmp); + if (rc == 0) + __cp_stat_statx ((struct stat *)buf, &tmp); + return rc; +} #endif #if defined __NR_fstat64 && !defined __NR_fstat # define __NR__dl_fstat __NR_fstat64 +static __always_inline _syscall2(int, _dl_fstat, int, fd, struct stat *, buf) #elif defined __NR_fstat # define __NR__dl_fstat __NR_fstat -#endif static __always_inline _syscall2(int, _dl_fstat, int, fd, struct stat *, buf) +#elif defined __NR_statx && defined __UCLIBC_HAVE_STATX__ +# define __NR__dl_fstatx __NR_statx +static __always_inline _syscall5(int, _dl_fstatx, int, fd, const char *, file_name, int, flags, unsigned int, mask, struct stat *, buf); + +static __always_inline int _dl_fstat(int fd, + struct stat *buf) +{ + struct statx tmp; + int rc = _dl_fstatx(fd, "", AT_EMPTY_PATH, STATX_BASIC_STATS, &tmp); + if (rc == 0) + __cp_stat_statx ((struct stat *)buf, &tmp); + return rc; +} +#else +static __always_inline _syscall2(int, _dl_fstat, int, fd, struct stat *, buf) +#endif #define __NR__dl_munmap __NR_munmap static __always_inline _syscall2(int, _dl_munmap, void *, start, unsigned long, length) |