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/*
* io-system.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 <stdlib.h>
#include <string.h>
#include <errno.h>
#include <sys/wait.h>
#define IO _system
#include "io.h"
/*
* system: execute command on (remote) host
* input parameters:
* 0 : command ptr
* 1 : command length
* output parameters:
* 0 : result
* 1 : errno
*/
int _system (const char *command)
{
#if HOSTED
int e;
gdb_parambuf_t parameters;
parameters[0] = (uint32_t) command;
parameters[1] = command ? (uint32_t) strlen (command) + 1 : 0;
__hosted (HOSTED_SYSTEM, parameters);
errno = __hosted_from_gdb_errno (parameters[1]);
e = parameters[0];
if (e >= 0 && command)
{
/* We have to convert e, an exit status to the encoded status of
the command. To avoid hard coding the exit status, we simply
loop until we find the right position. */
int exit_code;
for (exit_code = e; e && WEXITSTATUS (e) != exit_code; e <<= 1)
continue;
}
return e;
#else
if (!command)
return 0;
errno = ENOSYS;
return -1;
#endif
}
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