63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
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/*
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* io-system.c --
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*
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* Copyright (c) 2006 CodeSourcery Inc
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*
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* The authors hereby grant permission to use, copy, modify, distribute,
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* and license this software and its documentation for any purpose, provided
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* that existing copyright notices are retained in all copies and that this
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* notice is included verbatim in any distributions. No written agreement,
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* license, or royalty fee is required for any of the authorized uses.
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* Modifications to this software may be copyrighted by their authors
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* and need not follow the licensing terms described here, provided that
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* the new terms are clearly indicated on the first page of each file where
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* they apply.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <sys/wait.h>
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#define IO _system
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#include "io.h"
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/*
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* system: execute command on (remote) host
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* input parameters:
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* 0 : command ptr
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* 1 : command length
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* output parameters:
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* 0 : errno
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* result : r0
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*/
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int _system (const char *command)
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{
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#if HOSTED
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int e;
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gdb_parambuf_t parameters;
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parameters[0] = (uint32_t) command;
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parameters[1] = command ? (uint32_t) strlen (command) : 0;
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e = __hosted (HOSTED_SYSTEM, parameters);
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errno = __hosted_from_gdb_errno (parameters[0]);
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if (e >= 0 && command)
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{
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/* We have to convert e, an exit status to the encoded status of
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the command. To avoid hard coding the exit status, we simply
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loop until we find the right position. */
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int exit_code;
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for (exit_code = e; e && WEXITSTATUS (e) != exit_code; e <<= 1)
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continue;
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}
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return e;
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#else
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if (!command)
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return 0;
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errno = ENOSYS;
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return -1;
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#endif
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}
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