| /* |
| * 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 |
| } |