diff options
Diffstat (limited to 'libgloss/csky/io-open.c')
-rw-r--r-- | libgloss/csky/io-open.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/libgloss/csky/io-open.c b/libgloss/csky/io-open.c new file mode 100644 index 000000000..f2f630e23 --- /dev/null +++ b/libgloss/csky/io-open.c @@ -0,0 +1,62 @@ +/* + * io-open.c -- + * + * Copyright (c) 2006 CodeSourcery Inc + * + * The authors hereby grant permission to use, copy, modify, distribute, + * and license this software and its documentation for any purpose, provided + * that existing copyright notices are retained in all copies and that this + * notice is included verbatim in any distributions. No written agreement, + * license, or royalty fee is required for any of the authorized uses. + * Modifications to this software may be copyrighted by their authors + * and need not follow the licensing terms described here, provided that + * the new terms are clearly indicated on the first page of each file where + * they apply. + */ + +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <stdarg.h> +#include <string.h> +#include <errno.h> +#define IO open +#include "io.h" + +/* + * open -- Open a file. + * input parameters: + * 0 : fname ptr + * 1 : fname length + * 2 : flags + * 3 : mode + * output parameters: + * 0 : errno + * result : r0 + */ + +int open (const char *fname, int flags, ...) +{ +#if HOSTED + gdb_parambuf_t parameters; + int ret; + parameters[0] = (uint32_t) fname; + parameters[1] = strlen (fname); + parameters[2] = __hosted_to_gdb_open_flags (flags); + if (flags & O_CREAT) + { + va_list ap; + va_start (ap, flags); + parameters[3] = __hosted_to_gdb_mode_t (va_arg (ap, mode_t)); + va_end (ap); + } + else + parameters[3] = 0; + ret =__hosted (HOSTED_OPEN, parameters); + errno = __hosted_from_gdb_errno (parameters[0]); + return ret; +#else + errno = ENOSYS; + return -1; +#endif +} |