63 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			63 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * io-open.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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| 
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| #include <sys/types.h>
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| #include <sys/stat.h>
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| #include <fcntl.h>
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| #include <stdarg.h>
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| #include <string.h>
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| #include <errno.h>
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| #define IO open
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| #include "io.h"
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| 
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| /*
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|  * open -- Open a file.
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|  * input parameters:
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|  *   0 : fname ptr
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|  *   1 : fname length
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|  *   2 : flags
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|  *   3 : mode
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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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| 
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| int open (const char *fname, int flags, ...)
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| {
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| #if HOSTED
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|   gdb_parambuf_t parameters;
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|   int ret;
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|   parameters[0] = (uint32_t) fname;
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|   parameters[1] = strlen (fname);
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|   parameters[2] = __hosted_to_gdb_open_flags (flags);
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|   if (flags & O_CREAT)
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|     {
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|       va_list ap;
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|       va_start (ap, flags);
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|       parameters[3] = __hosted_to_gdb_mode_t (va_arg (ap, mode_t));
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|       va_end (ap);
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|     }
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|   else
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|     parameters[3] = 0;
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|   ret =__hosted (HOSTED_OPEN, parameters);
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|   errno = __hosted_from_gdb_errno (parameters[0]);
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|   return ret;
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| #else
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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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