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cf7c22b5d8
* m68k/Makefile.in (bdm-semihost.o): Build from bdm-semihost.S. * m68k/bdm-semihost.c: Remove. * m68k/bdm-semihost.S: New. * m68k/bdm-crt0.S: Don't install semihosting trap handler. * m68k/bdm-close.c, bdm-exit.c, bdm-fstat.c, bdm-gettimeofday.c, bdm-isatty.c, bdm-lseek.c, bdm-open.c, bdm-read.c, bdm-rename.c, bdm-stat.c, bdm-system.c, bdm-unlink.c, bdm-write.c): Update. * m68k/bdm-isrs.c: Update comment. * m68k/bdm-semihost.h (BDM_TRAPNUM, BDM_FUNC_REG, BDM_ARG_REG, BDM_TRAP): Remove. (__bdm_semihost): Declare.
57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
/*
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* bdm-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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#include "bdm-semihost.h"
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#include "bdm-gdb.h"
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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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/*
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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 : result
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* 1 : errno
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*/
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int open (const char *fname, int flags, ...)
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{
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gdb_parambuf_t parameters;
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parameters[0] = (uint32_t) fname;
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parameters[1] = strlen (fname) + 1;
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parameters[2] = convert_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] = convert_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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__bdm_semihost (BDM_OPEN, parameters);
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errno = convert_from_gdb_errno (parameters[1]);
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return parameters[0];
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}
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