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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [libgloss/] [m68k/] [io.h] - Blame information for rev 258

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Line No. Rev Author Line
1 207 jeremybenn
/*
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 * hosted & unhosted io support.
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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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#if HOSTED
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#include <stdint.h>
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#include <sys/types.h>
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#include <sys/time.h>
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#include <sys/stat.h>
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#define HOSTED_EXIT  0
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#define HOSTED_INIT_SIM 1
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#define HOSTED_OPEN 2
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#define HOSTED_CLOSE 3
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#define HOSTED_READ 4
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#define HOSTED_WRITE 5
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#define HOSTED_LSEEK 6
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#define HOSTED_RENAME 7
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#define HOSTED_UNLINK 8
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#define HOSTED_STAT 9
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#define HOSTED_FSTAT 10
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#define HOSTED_GETTIMEOFDAY 11
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#define HOSTED_ISATTY 12
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#define HOSTED_SYSTEM 13
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/* This function is provided by the board's BSP, because the precise
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   mechanism of informing gdb is board specific.  */
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extern int __io_hosted (int func, void *args);
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/* Protocol specific representation of datatypes, as specified in D.9.11
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 * of the GDB manual.
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 * Note that since the m68k is big-endian, we can use native
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 * representations of integer datatypes in structured datatypes. */
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typedef uint32_t gdb_mode_t;
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typedef uint32_t gdb_time_t;
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struct gdb_stat {
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  uint32_t    st_dev;     /* device */
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  uint32_t    st_ino;     /* inode */
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  gdb_mode_t  st_mode;    /* protection */
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  uint32_t    st_nlink;   /* number of hard links */
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  uint32_t    st_uid;     /* user ID of owner */
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  uint32_t    st_gid;     /* group ID of owner */
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  uint32_t    st_rdev;    /* device type (if inode device) */
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  uint64_t    st_size;    /* total size, in bytes */
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  uint64_t    st_blksize; /* blocksize for filesystem I/O */
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  uint64_t    st_blocks;  /* number of blocks allocated */
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  gdb_time_t  st_atime;   /* time of last access */
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  gdb_time_t  st_mtime;   /* time of last modification */
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  gdb_time_t  st_ctime;   /* time of last change */
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};
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struct gdb_timeval {
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  gdb_time_t tv_sec;  /* second */
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  uint64_t tv_usec;   /* microsecond */
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};
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/* Parameters are passed between the library and the debugging stub
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 * in a fixed-size buffer.
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 */
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typedef uint32_t gdb_parambuf_t[4];
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/* open flags */
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#define GDB_O_RDONLY   0x0
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#define GDB_O_WRONLY   0x1
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#define GDB_O_RDWR     0x2
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#define GDB_O_APPEND   0x8
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#define GDB_O_CREAT  0x200
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#define GDB_O_TRUNC  0x400
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#define GDB_O_EXCL   0x800
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/* mode_t values */
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#define GDB_S_IFREG 0100000
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#define GDB_S_IFDIR  040000
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#define GDB_S_IRUSR    0400
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#define GDB_S_IWUSR    0200
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#define GDB_S_IXUSR    0100
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#define GDB_S_IRGRP     040
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#define GDB_S_IWGRP     020
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#define GDB_S_IXGRP     010
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#define GDB_S_IROTH      04
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#define GDB_S_IWOTH      02
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#define GDB_S_IXOTH      01
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/* errno values */
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#define GDB_EPERM         1
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#define GDB_ENOENT        2
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#define GDB_EINTR         4
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#define GDB_EBADF         9
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#define GDB_EACCES       13
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#define GDB_EFAULT       14
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#define GDB_EBUSY        16
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#define GDB_EEXIST       17
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#define GDB_ENODEV       19
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#define GDB_ENOTDIR      20
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#define GDB_EISDIR       21
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#define GDB_EINVAL       22
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#define GDB_ENFILE       23
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#define GDB_EMFILE       24
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#define GDB_EFBIG        27
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#define GDB_ENOSPC       28
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#define GDB_ESPIPE       29
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#define GDB_EROFS        30
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#define GDB_ENAMETOOLONG 91
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#define GDB_EUNKNOWN     9999
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/* lseek flags */
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#define GDB_SEEK_SET 0
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#define GDB_SEEK_CUR 1
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#define GDB_SEEK_END 2
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/* conversion functions */
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extern gdb_mode_t __hosted_to_gdb_mode_t (mode_t m);
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extern int32_t __hosted_to_gdb_open_flags (int f);
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extern int32_t __hosted_to_gdb_lseek_flags (int f);
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extern void __hosted_from_gdb_stat (const struct gdb_stat *gs,
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                                    struct stat *s);
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extern void __hosted_from_gdb_timeval (const struct gdb_timeval *gt,
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                                       struct timeval *t);
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extern int __hosted_from_gdb_errno (int32_t err);
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#else
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#ifdef IO
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#define IO_NAME_(IO) __hosted_##IO
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#define IO_NAME(IO) IO_NAME_(IO)
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#define IO_STRING_(IO) #IO
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#define IO_STRING(IO) IO_STRING_(IO)
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/* Emit an object that causes a gnu linker warning.  */
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static const char IO_NAME (IO) []
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__attribute__ ((section (".gnu.warning"), used)) =
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"IO function '" IO_STRING (IO) "' used";
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#endif
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#endif

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