49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
/*
|
|
* io-write.c --
|
|
*
|
|
* Copyright (c) 2006 CodeSourcery Inc
|
|
* Copyright (c) 2018 Mentor Graphics
|
|
*
|
|
* 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 <unistd.h>
|
|
#include <errno.h>
|
|
#define IO write
|
|
#include "io.h"
|
|
|
|
/*
|
|
* write -- write to a file descriptor
|
|
* input parameters:
|
|
* 0 : file descriptor
|
|
* 1 : buf ptr
|
|
* 2 : count
|
|
* output parameters:
|
|
* 0 : result
|
|
* 1 : errno
|
|
*/
|
|
|
|
ssize_t write (int fd, const void *buf, size_t count)
|
|
{
|
|
#if HOSTED
|
|
gdb_parambuf_t parameters;
|
|
parameters[0] = (uint32_t) fd;
|
|
parameters[1] = (uint32_t) buf;
|
|
parameters[2] = (uint32_t) count;
|
|
__io_hosted (HOSTED_WRITE, parameters);
|
|
errno = __hosted_from_gdb_errno (parameters[1]);
|
|
return parameters[0];
|
|
#else
|
|
errno = ENOSYS;
|
|
return -1;
|
|
#endif
|
|
}
|