Last change
on this file since 478 was
444,
checked in by satin@…, 7 years ago
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add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
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File size:
1.3 KB
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Line | |
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1 | /* |
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2 | * io-write.c -- |
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3 | * |
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4 | * Copyright (c) 2006 CodeSourcery Inc |
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5 | * |
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6 | * The authors hereby grant permission to use, copy, modify, distribute, |
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7 | * and license this software and its documentation for any purpose, provided |
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8 | * that existing copyright notices are retained in all copies and that this |
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9 | * notice is included verbatim in any distributions. No written agreement, |
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10 | * license, or royalty fee is required for any of the authorized uses. |
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11 | * Modifications to this software may be copyrighted by their authors |
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12 | * and need not follow the licensing terms described here, provided that |
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13 | * the new terms are clearly indicated on the first page of each file where |
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14 | * they apply. |
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15 | */ |
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16 | |
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17 | #include <unistd.h> |
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18 | #include <errno.h> |
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19 | #define IO write |
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20 | #include "io.h" |
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21 | |
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22 | /* |
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23 | * write -- write to a file descriptor |
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24 | * input parameters: |
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25 | * 0 : file descriptor |
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26 | * 1 : buf ptr |
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27 | * 2 : count |
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28 | * output parameters: |
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29 | * 0 : result |
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30 | * 1 : errno |
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31 | */ |
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32 | |
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33 | ssize_t write (int fd, const void *buf, size_t count) |
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34 | { |
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35 | #if HOSTED |
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36 | gdb_parambuf_t parameters; |
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37 | parameters[0] = (uint32_t) fd; |
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38 | parameters[1] = (uint32_t) buf; |
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39 | parameters[2] = (uint32_t) count; |
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40 | __hosted (HOSTED_WRITE, parameters); |
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41 | errno = __hosted_from_gdb_errno (parameters[1]); |
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42 | return parameters[0]; |
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43 | #else |
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44 | errno = ENOSYS; |
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45 | return -1; |
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46 | #endif |
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47 | } |
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