142 lines
4.0 KiB
C
142 lines
4.0 KiB
C
/*
|
|
* hosted io support.
|
|
*
|
|
* 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 <stdint.h>
|
|
#include <sys/types.h>
|
|
#include <sys/time.h>
|
|
#include <sys/stat.h>
|
|
|
|
#define HOSTED_EXIT 0
|
|
#define HOSTED_INIT_SIM 1
|
|
#define HOSTED_OPEN 2
|
|
#define HOSTED_CLOSE 3
|
|
#define HOSTED_READ 4
|
|
#define HOSTED_WRITE 5
|
|
#define HOSTED_LSEEK 6
|
|
#define HOSTED_RENAME 7
|
|
#define HOSTED_UNLINK 8
|
|
#define HOSTED_STAT 9
|
|
#define HOSTED_FSTAT 10
|
|
#define HOSTED_GETTIMEOFDAY 11
|
|
#define HOSTED_ISATTY 12
|
|
#define HOSTED_SYSTEM 13
|
|
|
|
/* This function is provided by the board's BSP, because the precise
|
|
mechanism of informing gdb is board specific. */
|
|
extern int __io_hosted (int func, void *args);
|
|
|
|
/* Protocol specific representation of datatypes, as specified in D.9.11
|
|
* of the GDB manual.
|
|
* Note that since the m68k is big-endian, we can use native
|
|
* representations of integer datatypes in structured datatypes. */
|
|
|
|
typedef uint32_t gdb_mode_t;
|
|
typedef uint32_t gdb_time_t;
|
|
|
|
struct gdb_stat {
|
|
uint32_t st_dev; /* device */
|
|
uint32_t st_ino; /* inode */
|
|
gdb_mode_t st_mode; /* protection */
|
|
uint32_t st_nlink; /* number of hard links */
|
|
uint32_t st_uid; /* user ID of owner */
|
|
uint32_t st_gid; /* group ID of owner */
|
|
uint32_t st_rdev; /* device type (if inode device) */
|
|
uint64_t st_size; /* total size, in bytes */
|
|
uint64_t st_blksize; /* blocksize for filesystem I/O */
|
|
uint64_t st_blocks; /* number of blocks allocated */
|
|
gdb_time_t st_atim; /* time of last access */
|
|
gdb_time_t st_mtim; /* time of last modification */
|
|
gdb_time_t st_ctim; /* time of last change */
|
|
};
|
|
|
|
struct gdb_timeval {
|
|
gdb_time_t tv_sec; /* second */
|
|
uint64_t tv_usec; /* microsecond */
|
|
};
|
|
|
|
|
|
/* Parameters are passed between the library and the debugging stub
|
|
* in a fixed-size buffer.
|
|
*/
|
|
|
|
typedef uint32_t gdb_parambuf_t[4];
|
|
|
|
/* open flags */
|
|
|
|
#define GDB_O_RDONLY 0x0
|
|
#define GDB_O_WRONLY 0x1
|
|
#define GDB_O_RDWR 0x2
|
|
#define GDB_O_APPEND 0x8
|
|
#define GDB_O_CREAT 0x200
|
|
#define GDB_O_TRUNC 0x400
|
|
#define GDB_O_EXCL 0x800
|
|
|
|
/* mode_t values */
|
|
|
|
#define GDB_S_IFREG 0100000
|
|
#define GDB_S_IFDIR 040000
|
|
#define GDB_S_IRUSR 0400
|
|
#define GDB_S_IWUSR 0200
|
|
#define GDB_S_IXUSR 0100
|
|
#define GDB_S_IRGRP 040
|
|
#define GDB_S_IWGRP 020
|
|
#define GDB_S_IXGRP 010
|
|
#define GDB_S_IROTH 04
|
|
#define GDB_S_IWOTH 02
|
|
#define GDB_S_IXOTH 01
|
|
|
|
/* errno values */
|
|
|
|
#define GDB_EPERM 1
|
|
#define GDB_ENOENT 2
|
|
#define GDB_EINTR 4
|
|
#define GDB_EBADF 9
|
|
#define GDB_EACCES 13
|
|
#define GDB_EFAULT 14
|
|
#define GDB_EBUSY 16
|
|
#define GDB_EEXIST 17
|
|
#define GDB_ENODEV 19
|
|
#define GDB_ENOTDIR 20
|
|
#define GDB_EISDIR 21
|
|
#define GDB_EINVAL 22
|
|
#define GDB_ENFILE 23
|
|
#define GDB_EMFILE 24
|
|
#define GDB_EFBIG 27
|
|
#define GDB_ENOSPC 28
|
|
#define GDB_ESPIPE 29
|
|
#define GDB_EROFS 30
|
|
#define GDB_ENAMETOOLONG 91
|
|
#define GDB_EUNKNOWN 9999
|
|
|
|
/* lseek flags */
|
|
|
|
#define GDB_SEEK_SET 0
|
|
#define GDB_SEEK_CUR 1
|
|
#define GDB_SEEK_END 2
|
|
|
|
|
|
/* conversion functions */
|
|
|
|
extern gdb_mode_t __hosted_to_gdb_mode_t (mode_t m);
|
|
extern int32_t __hosted_to_gdb_open_flags (int f);
|
|
extern int32_t __hosted_to_gdb_lseek_flags (int f);
|
|
|
|
extern void __hosted_from_gdb_stat (const struct gdb_stat *gs,
|
|
struct stat *s);
|
|
extern void __hosted_from_gdb_timeval (const struct gdb_timeval *gt,
|
|
struct timeval *t);
|
|
extern int __hosted_from_gdb_errno (int32_t err);
|