| /* |
| * 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 : result |
| * 1 : errno |
| */ |
| |
| int open (const char *fname, int flags, ...) |
| { |
| #if HOSTED |
| gdb_parambuf_t parameters; |
| parameters[0] = (uint32_t) fname; |
| parameters[1] = strlen (fname) + 1; |
| 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; |
| __hosted (HOSTED_OPEN, parameters); |
| errno = __hosted_from_gdb_errno (parameters[1]); |
| return parameters[0]; |
| #else |
| errno = ENOSYS; |
| return -1; |
| #endif |
| } |