| 1 | /* |
|---|
| 2 | * hosted io support for GDB's remote fileio protocol |
|---|
| 3 | * |
|---|
| 4 | * Copyright (c) 2006 CodeSourcery Inc |
|---|
| 5 | * |
|---|
| 6 | * The authors hereby grant permission to use, copy, modify, distribute, |
|---|
| 7 | * and license this software and its documentation for any purpose, provided |
|---|
| 8 | * that existing copyright notices are retained in all copies and that this |
|---|
| 9 | * notice is included verbatim in any distributions. No written agreement, |
|---|
| 10 | * license, or royalty fee is required for any of the authorized uses. |
|---|
| 11 | * Modifications to this software may be copyrighted by their authors |
|---|
| 12 | * and need not follow the licensing terms described here, provided that |
|---|
| 13 | * the new terms are clearly indicated on the first page of each file where |
|---|
| 14 | * they apply. |
|---|
| 15 | */ |
|---|
| 16 | |
|---|
| 17 | #include "io.h" |
|---|
| 18 | #include <fcntl.h> |
|---|
| 19 | #include <unistd.h> |
|---|
| 20 | #include <errno.h> |
|---|
| 21 | |
|---|
| 22 | gdb_mode_t |
|---|
| 23 | __hosted_to_gdb_mode_t (mode_t m) |
|---|
| 24 | { |
|---|
| 25 | gdb_mode_t result = 0; |
|---|
| 26 | if (m & S_IFREG) |
|---|
| 27 | result |= GDB_S_IFREG; |
|---|
| 28 | if (m & S_IFDIR) |
|---|
| 29 | result |= GDB_S_IFDIR; |
|---|
| 30 | if (m & S_IRUSR) |
|---|
| 31 | result |= GDB_S_IRUSR; |
|---|
| 32 | if (m & S_IWUSR) |
|---|
| 33 | result |= GDB_S_IWUSR; |
|---|
| 34 | if (m & S_IXUSR) |
|---|
| 35 | result |= GDB_S_IXUSR; |
|---|
| 36 | if (m & S_IRGRP) |
|---|
| 37 | result |= GDB_S_IRGRP; |
|---|
| 38 | if (m & S_IWGRP) |
|---|
| 39 | result |= GDB_S_IWGRP; |
|---|
| 40 | if (m & S_IXGRP) |
|---|
| 41 | result |= GDB_S_IXGRP; |
|---|
| 42 | if (m & S_IROTH) |
|---|
| 43 | result |= GDB_S_IROTH; |
|---|
| 44 | if (m & S_IWOTH) |
|---|
| 45 | result |= GDB_S_IWOTH; |
|---|
| 46 | if (m & S_IXOTH) |
|---|
| 47 | result |= GDB_S_IXOTH; |
|---|
| 48 | return result; |
|---|
| 49 | } |
|---|
| 50 | |
|---|
| 51 | int32_t |
|---|
| 52 | __hosted_to_gdb_open_flags (int f) |
|---|
| 53 | { |
|---|
| 54 | int32_t result = 0; |
|---|
| 55 | if (f & O_RDONLY) |
|---|
| 56 | result |= GDB_O_RDONLY; |
|---|
| 57 | if (f & O_WRONLY) |
|---|
| 58 | result |= GDB_O_WRONLY; |
|---|
| 59 | if (f & O_RDWR) |
|---|
| 60 | result |= GDB_O_RDWR; |
|---|
| 61 | if (f & O_APPEND) |
|---|
| 62 | result |= GDB_O_APPEND; |
|---|
| 63 | if (f & O_CREAT) |
|---|
| 64 | result |= GDB_O_CREAT; |
|---|
| 65 | if (f & O_TRUNC) |
|---|
| 66 | result |= GDB_O_TRUNC; |
|---|
| 67 | if (f & O_EXCL) |
|---|
| 68 | result |= GDB_O_EXCL; |
|---|
| 69 | return result; |
|---|
| 70 | } |
|---|
| 71 | |
|---|
| 72 | int32_t |
|---|
| 73 | __hosted_to_gdb_lseek_flags (int f) |
|---|
| 74 | { |
|---|
| 75 | if (f == SEEK_CUR) |
|---|
| 76 | return GDB_SEEK_CUR; |
|---|
| 77 | else if (f == SEEK_END) |
|---|
| 78 | return GDB_SEEK_END; |
|---|
| 79 | else |
|---|
| 80 | return GDB_SEEK_SET; |
|---|
| 81 | } |
|---|
| 82 | |
|---|
| 83 | void |
|---|
| 84 | __hosted_from_gdb_stat (const struct gdb_stat *gs, |
|---|
| 85 | struct stat *s) |
|---|
| 86 | { |
|---|
| 87 | s->st_dev = gs->st_dev; |
|---|
| 88 | s->st_ino = gs->st_ino; |
|---|
| 89 | s->st_mode = gs->st_mode; |
|---|
| 90 | s->st_nlink = gs->st_nlink; |
|---|
| 91 | s->st_uid = gs->st_uid; |
|---|
| 92 | s->st_gid = gs->st_gid; |
|---|
| 93 | s->st_rdev = gs->st_rdev; |
|---|
| 94 | s->st_size = gs->st_size; |
|---|
| 95 | s->st_blksize = gs->st_blksize; |
|---|
| 96 | s->st_blocks = gs->st_blocks; |
|---|
| 97 | s->st_atime = gs->st_atime; |
|---|
| 98 | s->st_mtime = gs->st_mtime; |
|---|
| 99 | s->st_ctime = gs->st_ctime; |
|---|
| 100 | } |
|---|
| 101 | |
|---|
| 102 | void |
|---|
| 103 | __hosted_from_gdb_timeval (const struct gdb_timeval *gt, |
|---|
| 104 | struct timeval *t) |
|---|
| 105 | { |
|---|
| 106 | t->tv_sec = gt->tv_sec; |
|---|
| 107 | t->tv_usec = gt->tv_usec; |
|---|
| 108 | } |
|---|
| 109 | |
|---|
| 110 | int |
|---|
| 111 | __hosted_from_gdb_errno (int32_t err) |
|---|
| 112 | { |
|---|
| 113 | switch (err) |
|---|
| 114 | { |
|---|
| 115 | case 0: return 0; |
|---|
| 116 | case GDB_EPERM: return EPERM; |
|---|
| 117 | case GDB_ENOENT: return ENOENT; |
|---|
| 118 | case GDB_EINTR: return EINTR; |
|---|
| 119 | case GDB_EBADF: return EBADF; |
|---|
| 120 | case GDB_EACCES: return EACCES; |
|---|
| 121 | case GDB_EFAULT: return EFAULT; |
|---|
| 122 | case GDB_EBUSY: return EBUSY; |
|---|
| 123 | case GDB_EEXIST: return EEXIST; |
|---|
| 124 | case GDB_ENODEV: return ENODEV; |
|---|
| 125 | case GDB_ENOTDIR: return ENOTDIR; |
|---|
| 126 | case GDB_EISDIR: return EISDIR; |
|---|
| 127 | case GDB_EINVAL: return EINVAL; |
|---|
| 128 | case GDB_ENFILE: return ENFILE; |
|---|
| 129 | case GDB_EMFILE: return EMFILE; |
|---|
| 130 | case GDB_EFBIG: return EFBIG; |
|---|
| 131 | case GDB_ENOSPC: return ENOSPC; |
|---|
| 132 | case GDB_ESPIPE: return ESPIPE; |
|---|
| 133 | case GDB_EROFS: return EROFS; |
|---|
| 134 | case GDB_ENAMETOOLONG: return ENAMETOOLONG; |
|---|
| 135 | case GDB_EUNKNOWN: |
|---|
| 136 | default: |
|---|
| 137 | return EIO; |
|---|
| 138 | } |
|---|
| 139 | } |
|---|
| 140 | |
|---|
