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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Rev | Line | |
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[444] | 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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