/* * 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);