Signed-off-by: Yoshinori Sato <[email protected]> --- ldso/ldso/h8300/dl-sysdep.h | 1 + libc/sysdeps/linux/h8300/posix_fadvise64.c | 60 ++++++++++++++++++++++++++++++ 2 files changed, 61 insertions(+) create mode 100644 ldso/ldso/h8300/dl-sysdep.h create mode 100644 libc/sysdeps/linux/h8300/posix_fadvise64.c
diff --git a/ldso/ldso/h8300/dl-sysdep.h b/ldso/ldso/h8300/dl-sysdep.h new file mode 100644 index 0000000..880d048 --- /dev/null +++ b/ldso/ldso/h8300/dl-sysdep.h @@ -0,0 +1 @@ +/* dl not supported */ diff --git a/libc/sysdeps/linux/h8300/posix_fadvise64.c b/libc/sysdeps/linux/h8300/posix_fadvise64.c new file mode 100644 index 0000000..20ecca8 --- /dev/null +++ b/libc/sysdeps/linux/h8300/posix_fadvise64.c @@ -0,0 +1,60 @@ +/* vi: set sw=4 ts=4: */ +/* + * posix_fadvise64() for uClibc + * http://www.opengroup.org/onlinepubs/009695399/functions/posix_fadvise.html + * + * Copyright (C) 2000-2006 Erik Andersen <[email protected]> + * + * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. + */ + +#include <features.h> +#include <unistd.h> +#include <errno.h> +#include <endian.h> +#include <stdint.h> +#include <sys/types.h> +#include <sys/syscall.h> +#include <fcntl.h> + +#ifdef __UCLIBC_HAS_LFS__ +#ifdef __NR_fadvise64_64 + +int posix_fadvise64(int fd, __off64_t offset, __off64_t len, int advice) +{ + unsigned long offset_h, offset_l; + unsigned long len_h, len_l; + register unsigned int __asm__("er0") er0; + offset_h = ofsfet >> 32; + offset_l = offset & 0xffffffffUL; + len_h = len >> 32; + len_l = len & 0xffffffffUL; + __asm__ __volatile__ ( + "mov.l %6, er5\n\t" + "mov.l %5, er4\n\t" + "mov.l %4, er3\n\t" + "mov.l %3, er2\n\t" + "mov.l %2, er1\n\t" + "mov.l %1, er0\n\t" + "mov.l %7, er6\n\t" + "trapa #0" + : "=r" (er0) + : "0" (__NR_posix_fadvice64) , "g" (fd), "g" (offset_h), "g" (offset_l), + "g" (len_h), "g" (len_l), "g" (advice) + : "memory" ); + + if (er0 >= 0) + return 0; + else + return -er0; +} +#elif !defined __NR_fadvise64 && defined __UCLIBC_HAS_STUBS__ +/* This is declared as a strong alias in posix_fadvise.c if __NR_fadvise64 + * is defined. + */ +int posix_fadvise64(int fd, __off64_t offset, __off64_t len, int advice) +{ + return ENOSYS; +} +#endif /* __NR_fadvise64_64 */ +#endif /* __UCLIBC_HAS_LFS__ */ -- 2.1.4 _______________________________________________ uClibc mailing list [email protected] http://lists.busybox.net/mailman/listinfo/uclibc
