mbed official / mbed-src

mbed library sources

Dependents:   Encrypted my_mbed lklk CyaSSL_DTLS_Cellular ... more

Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

Import librarymbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

common/retarget.cpp@13:0645d8841f51, 2013-08-05 (annotated)

Committer:
bogdanm
Date:
Mon Aug 05 14:12:34 2013 +0300
Revision:
13:0645d8841f51
Child:
20:4263a77256ae
Update mbed sources to revision 64

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 13:0645d8841f51 1 /* mbed Microcontroller Library
bogdanm 13:0645d8841f51 2 * Copyright (c) 2006-2013 ARM Limited
bogdanm 13:0645d8841f51 3 *
bogdanm 13:0645d8841f51 4 * Licensed under the Apache License, Version 2.0 (the "License");
bogdanm 13:0645d8841f51 5 * you may not use this file except in compliance with the License.
bogdanm 13:0645d8841f51 6 * You may obtain a copy of the License at
bogdanm 13:0645d8841f51 7 *
bogdanm 13:0645d8841f51 8 * http://www.apache.org/licenses/LICENSE-2.0
bogdanm 13:0645d8841f51 9 *
bogdanm 13:0645d8841f51 10 * Unless required by applicable law or agreed to in writing, software
bogdanm 13:0645d8841f51 11 * distributed under the License is distributed on an "AS IS" BASIS,
bogdanm 13:0645d8841f51 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
bogdanm 13:0645d8841f51 13 * See the License for the specific language governing permissions and
bogdanm 13:0645d8841f51 14 * limitations under the License.
bogdanm 13:0645d8841f51 15 */
bogdanm 13:0645d8841f51 16 #include "platform.h"
bogdanm 13:0645d8841f51 17 #include "FileHandle.h"
bogdanm 13:0645d8841f51 18 #include "FileSystemLike.h"
bogdanm 13:0645d8841f51 19 #include "FilePath.h"
bogdanm 13:0645d8841f51 20 #include "serial_api.h"
bogdanm 13:0645d8841f51 21 #include "toolchain.h"
bogdanm 13:0645d8841f51 22 #include <errno.h>
bogdanm 13:0645d8841f51 23
bogdanm 13:0645d8841f51 24 #if defined(__ARMCC_VERSION)
bogdanm 13:0645d8841f51 25 # include <rt_sys.h>
bogdanm 13:0645d8841f51 26 # define PREFIX(x) _sys##x
bogdanm 13:0645d8841f51 27 # define OPEN_MAX _SYS_OPEN
bogdanm 13:0645d8841f51 28 # ifdef __MICROLIB
bogdanm 13:0645d8841f51 29 # pragma import(__use_full_stdio)
bogdanm 13:0645d8841f51 30 # endif
bogdanm 13:0645d8841f51 31
bogdanm 13:0645d8841f51 32 #elif defined(__ICCARM__)
bogdanm 13:0645d8841f51 33 # include <yfuns.h>
bogdanm 13:0645d8841f51 34 # define PREFIX(x) _##x
bogdanm 13:0645d8841f51 35 # define OPEN_MAX 16
bogdanm 13:0645d8841f51 36
bogdanm 13:0645d8841f51 37 # define STDIN_FILENO 0
bogdanm 13:0645d8841f51 38 # define STDOUT_FILENO 1
bogdanm 13:0645d8841f51 39 # define STDERR_FILENO 2
bogdanm 13:0645d8841f51 40
bogdanm 13:0645d8841f51 41 #else
bogdanm 13:0645d8841f51 42 # include <sys/stat.h>
bogdanm 13:0645d8841f51 43 # include <sys/unistd.h>
bogdanm 13:0645d8841f51 44 # include <sys/syslimits.h>
bogdanm 13:0645d8841f51 45 # define PREFIX(x) x
bogdanm 13:0645d8841f51 46 #endif
bogdanm 13:0645d8841f51 47
bogdanm 13:0645d8841f51 48 using namespace mbed;
bogdanm 13:0645d8841f51 49
bogdanm 13:0645d8841f51 50 #if defined(__MICROLIB) && (__ARMCC_VERSION>5030000)
bogdanm 13:0645d8841f51 51 // Before version 5.03, we were using a patched version of microlib with proper names
bogdanm 13:0645d8841f51 52 extern const char __stdin_name[] = ":tt";
bogdanm 13:0645d8841f51 53 extern const char __stdout_name[] = ":tt";
bogdanm 13:0645d8841f51 54 extern const char __stderr_name[] = ":tt";
bogdanm 13:0645d8841f51 55
bogdanm 13:0645d8841f51 56 #else
bogdanm 13:0645d8841f51 57 extern const char __stdin_name[] = "/stdin";
bogdanm 13:0645d8841f51 58 extern const char __stdout_name[] = "/stdout";
bogdanm 13:0645d8841f51 59 extern const char __stderr_name[] = "/stderr";
bogdanm 13:0645d8841f51 60 #endif
bogdanm 13:0645d8841f51 61
bogdanm 13:0645d8841f51 62 /* newlib has the filehandle field in the FILE struct as a short, so
bogdanm 13:0645d8841f51 63 * we can't just return a Filehandle* from _open and instead have to
bogdanm 13:0645d8841f51 64 * put it in a filehandles array and return the index into that array
bogdanm 13:0645d8841f51 65 * (or rather index+3, as filehandles 0-2 are stdin/out/err).
bogdanm 13:0645d8841f51 66 */
bogdanm 13:0645d8841f51 67 static FileHandle *filehandles[OPEN_MAX];
bogdanm 13:0645d8841f51 68
bogdanm 13:0645d8841f51 69 FileHandle::~FileHandle() {
bogdanm 13:0645d8841f51 70 /* Remove all open filehandles for this */
bogdanm 13:0645d8841f51 71 for (unsigned int fh_i = 0; fh_i < sizeof(filehandles)/sizeof(*filehandles); fh_i++) {
bogdanm 13:0645d8841f51 72 if (filehandles[fh_i] == this) {
bogdanm 13:0645d8841f51 73 filehandles[fh_i] = NULL;
bogdanm 13:0645d8841f51 74 }
bogdanm 13:0645d8841f51 75 }
bogdanm 13:0645d8841f51 76 }
bogdanm 13:0645d8841f51 77
bogdanm 13:0645d8841f51 78 #if DEVICE_SERIAL
bogdanm 13:0645d8841f51 79 extern int stdio_uart_inited;
bogdanm 13:0645d8841f51 80 extern serial_t stdio_uart;
bogdanm 13:0645d8841f51 81 #endif
bogdanm 13:0645d8841f51 82
bogdanm 13:0645d8841f51 83 static void init_serial() {
bogdanm 13:0645d8841f51 84 #if DEVICE_SERIAL
bogdanm 13:0645d8841f51 85 if (stdio_uart_inited) return;
bogdanm 13:0645d8841f51 86 serial_init(&stdio_uart, STDIO_UART_TX, STDIO_UART_RX);
bogdanm 13:0645d8841f51 87 #endif
bogdanm 13:0645d8841f51 88 }
bogdanm 13:0645d8841f51 89
bogdanm 13:0645d8841f51 90 static inline int openmode_to_posix(int openmode) {
bogdanm 13:0645d8841f51 91 int posix = openmode;
bogdanm 13:0645d8841f51 92 #ifdef __ARMCC_VERSION
bogdanm 13:0645d8841f51 93 if (openmode & OPEN_PLUS) {
bogdanm 13:0645d8841f51 94 posix = O_RDWR;
bogdanm 13:0645d8841f51 95 } else if(openmode & OPEN_W) {
bogdanm 13:0645d8841f51 96 posix = O_WRONLY;
bogdanm 13:0645d8841f51 97 } else if(openmode & OPEN_A) {
bogdanm 13:0645d8841f51 98 posix = O_WRONLY|O_APPEND;
bogdanm 13:0645d8841f51 99 } else {
bogdanm 13:0645d8841f51 100 posix = O_RDONLY;
bogdanm 13:0645d8841f51 101 }
bogdanm 13:0645d8841f51 102 /* a, w, a+, w+ all create if file does not already exist */
bogdanm 13:0645d8841f51 103 if (openmode & (OPEN_A|OPEN_W)) {
bogdanm 13:0645d8841f51 104 posix |= O_CREAT;
bogdanm 13:0645d8841f51 105 }
bogdanm 13:0645d8841f51 106 /* w and w+ truncate */
bogdanm 13:0645d8841f51 107 if (openmode & OPEN_W) {
bogdanm 13:0645d8841f51 108 posix |= O_TRUNC;
bogdanm 13:0645d8841f51 109 }
bogdanm 13:0645d8841f51 110 #elif defined(__ICCARM__)
bogdanm 13:0645d8841f51 111 switch (openmode & _LLIO_RDWRMASK) {
bogdanm 13:0645d8841f51 112 case _LLIO_RDONLY: posix = O_RDONLY; break;
bogdanm 13:0645d8841f51 113 case _LLIO_WRONLY: posix = O_WRONLY; break;
bogdanm 13:0645d8841f51 114 case _LLIO_RDWR : posix = O_RDWR ; break;
bogdanm 13:0645d8841f51 115 }
bogdanm 13:0645d8841f51 116 if (openmode & _LLIO_CREAT ) posix |= O_CREAT;
bogdanm 13:0645d8841f51 117 if (openmode & _LLIO_APPEND) posix |= O_APPEND;
bogdanm 13:0645d8841f51 118 if (openmode & _LLIO_TRUNC ) posix |= O_TRUNC;
bogdanm 13:0645d8841f51 119 #endif
bogdanm 13:0645d8841f51 120 return posix;
bogdanm 13:0645d8841f51 121 }
bogdanm 13:0645d8841f51 122
bogdanm 13:0645d8841f51 123 extern "C" FILEHANDLE PREFIX(_open)(const char* name, int openmode) {
bogdanm 13:0645d8841f51 124 #if defined(__MICROLIB) && (__ARMCC_VERSION>5030000)
bogdanm 13:0645d8841f51 125 // Before version 5.03, we were using a patched version of microlib with proper names
bogdanm 13:0645d8841f51 126 // This is the workaround that the microlib author suggested us
bogdanm 13:0645d8841f51 127 static int n = 0;
bogdanm 13:0645d8841f51 128 if (!std::strcmp(name, ":tt")) return n++;
bogdanm 13:0645d8841f51 129
bogdanm 13:0645d8841f51 130 #else
bogdanm 13:0645d8841f51 131 /* Use the posix convention that stdin,out,err are filehandles 0,1,2.
bogdanm 13:0645d8841f51 132 */
bogdanm 13:0645d8841f51 133 if (std::strcmp(name, __stdin_name) == 0) {
bogdanm 13:0645d8841f51 134 init_serial();
bogdanm 13:0645d8841f51 135 return 0;
bogdanm 13:0645d8841f51 136 } else if (std::strcmp(name, __stdout_name) == 0) {
bogdanm 13:0645d8841f51 137 init_serial();
bogdanm 13:0645d8841f51 138 return 1;
bogdanm 13:0645d8841f51 139 } else if (std::strcmp(name, __stderr_name) == 0) {
bogdanm 13:0645d8841f51 140 init_serial();
bogdanm 13:0645d8841f51 141 return 2;
bogdanm 13:0645d8841f51 142 }
bogdanm 13:0645d8841f51 143 #endif
bogdanm 13:0645d8841f51 144
bogdanm 13:0645d8841f51 145 // find the first empty slot in filehandles
bogdanm 13:0645d8841f51 146 unsigned int fh_i;
bogdanm 13:0645d8841f51 147 for (fh_i = 0; fh_i < sizeof(filehandles)/sizeof(*filehandles); fh_i++) {
bogdanm 13:0645d8841f51 148 if (filehandles[fh_i] == NULL) break;
bogdanm 13:0645d8841f51 149 }
bogdanm 13:0645d8841f51 150 if (fh_i >= sizeof(filehandles)/sizeof(*filehandles)) {
bogdanm 13:0645d8841f51 151 return -1;
bogdanm 13:0645d8841f51 152 }
bogdanm 13:0645d8841f51 153
bogdanm 13:0645d8841f51 154 FileHandle *res;
bogdanm 13:0645d8841f51 155
bogdanm 13:0645d8841f51 156 /* FILENAME: ":0x12345678" describes a FileLike* */
bogdanm 13:0645d8841f51 157 if (name[0] == ':') {
bogdanm 13:0645d8841f51 158 void *p;
bogdanm 13:0645d8841f51 159 sscanf(name, ":%p", &p);
bogdanm 13:0645d8841f51 160 res = (FileHandle*)p;
bogdanm 13:0645d8841f51 161
bogdanm 13:0645d8841f51 162 /* FILENAME: "/file_system/file_name" */
bogdanm 13:0645d8841f51 163 } else {
bogdanm 13:0645d8841f51 164 FilePath path(name);
bogdanm 13:0645d8841f51 165
bogdanm 13:0645d8841f51 166 if (path.isFile()) {
bogdanm 13:0645d8841f51 167 res = path.file();
bogdanm 13:0645d8841f51 168 } else {
bogdanm 13:0645d8841f51 169 FileSystemLike *fs = path.fileSystem();
bogdanm 13:0645d8841f51 170 if (fs == NULL) return -1;
bogdanm 13:0645d8841f51 171 int posix_mode = openmode_to_posix(openmode);
bogdanm 13:0645d8841f51 172 res = fs->open(path.fileName(), posix_mode); /* NULL if fails */
bogdanm 13:0645d8841f51 173 }
bogdanm 13:0645d8841f51 174 }
bogdanm 13:0645d8841f51 175
bogdanm 13:0645d8841f51 176 if (res == NULL) return -1;
bogdanm 13:0645d8841f51 177 filehandles[fh_i] = res;
bogdanm 13:0645d8841f51 178
bogdanm 13:0645d8841f51 179 return fh_i + 3; // +3 as filehandles 0-2 are stdin/out/err
bogdanm 13:0645d8841f51 180 }
bogdanm 13:0645d8841f51 181
bogdanm 13:0645d8841f51 182 extern "C" int PREFIX(_close)(FILEHANDLE fh) {
bogdanm 13:0645d8841f51 183 if (fh < 3) return 0;
bogdanm 13:0645d8841f51 184
bogdanm 13:0645d8841f51 185 FileHandle* fhc = filehandles[fh-3];
bogdanm 13:0645d8841f51 186 filehandles[fh-3] = NULL;
bogdanm 13:0645d8841f51 187 if (fhc == NULL) return -1;
bogdanm 13:0645d8841f51 188
bogdanm 13:0645d8841f51 189 return fhc->close();
bogdanm 13:0645d8841f51 190 }
bogdanm 13:0645d8841f51 191
bogdanm 13:0645d8841f51 192 #if defined(__ICCARM__)
bogdanm 13:0645d8841f51 193 extern "C" size_t __write (int fh, const unsigned char *buffer, size_t length) {
bogdanm 13:0645d8841f51 194 #else
bogdanm 13:0645d8841f51 195 extern "C" int PREFIX(_write)(FILEHANDLE fh, const unsigned char *buffer, unsigned int length, int mode) {
bogdanm 13:0645d8841f51 196 #endif
bogdanm 13:0645d8841f51 197 int n; // n is the number of bytes written
bogdanm 13:0645d8841f51 198 if (fh < 3) {
bogdanm 13:0645d8841f51 199 #if DEVICE_SERIAL
bogdanm 13:0645d8841f51 200 if (!stdio_uart_inited) init_serial();
bogdanm 13:0645d8841f51 201 for (unsigned int i = 0; i < length; i++) {
bogdanm 13:0645d8841f51 202 serial_putc(&stdio_uart, buffer[i]);
bogdanm 13:0645d8841f51 203 }
bogdanm 13:0645d8841f51 204 #endif
bogdanm 13:0645d8841f51 205 n = length;
bogdanm 13:0645d8841f51 206 } else {
bogdanm 13:0645d8841f51 207 FileHandle* fhc = filehandles[fh-3];
bogdanm 13:0645d8841f51 208 if (fhc == NULL) return -1;
bogdanm 13:0645d8841f51 209
bogdanm 13:0645d8841f51 210 n = fhc->write(buffer, length);
bogdanm 13:0645d8841f51 211 }
bogdanm 13:0645d8841f51 212 #ifdef __ARMCC_VERSION
bogdanm 13:0645d8841f51 213 return length-n;
bogdanm 13:0645d8841f51 214 #else
bogdanm 13:0645d8841f51 215 return n;
bogdanm 13:0645d8841f51 216 #endif
bogdanm 13:0645d8841f51 217 }
bogdanm 13:0645d8841f51 218
bogdanm 13:0645d8841f51 219 #if defined(__ICCARM__)
bogdanm 13:0645d8841f51 220 extern "C" size_t __read (int fh, unsigned char *buffer, size_t length) {
bogdanm 13:0645d8841f51 221 #else
bogdanm 13:0645d8841f51 222 extern "C" int PREFIX(_read)(FILEHANDLE fh, unsigned char *buffer, unsigned int length, int mode) {
bogdanm 13:0645d8841f51 223 #endif
bogdanm 13:0645d8841f51 224 int n; // n is the number of bytes read
bogdanm 13:0645d8841f51 225 if (fh < 3) {
bogdanm 13:0645d8841f51 226 // only read a character at a time from stdin
bogdanm 13:0645d8841f51 227 #if DEVICE_SERIAL
bogdanm 13:0645d8841f51 228 *buffer = serial_getc(&stdio_uart);
bogdanm 13:0645d8841f51 229 #endif
bogdanm 13:0645d8841f51 230 n = 1;
bogdanm 13:0645d8841f51 231 } else {
bogdanm 13:0645d8841f51 232 FileHandle* fhc = filehandles[fh-3];
bogdanm 13:0645d8841f51 233 if (fhc == NULL) return -1;
bogdanm 13:0645d8841f51 234
bogdanm 13:0645d8841f51 235 n = fhc->read(buffer, length);
bogdanm 13:0645d8841f51 236 }
bogdanm 13:0645d8841f51 237 #ifdef __ARMCC_VERSION
bogdanm 13:0645d8841f51 238 return length-n;
bogdanm 13:0645d8841f51 239 #else
bogdanm 13:0645d8841f51 240 return n;
bogdanm 13:0645d8841f51 241 #endif
bogdanm 13:0645d8841f51 242 }
bogdanm 13:0645d8841f51 243
bogdanm 13:0645d8841f51 244 #ifdef __ARMCC_VERSION
bogdanm 13:0645d8841f51 245 extern "C" int PREFIX(_istty)(FILEHANDLE fh)
bogdanm 13:0645d8841f51 246 #else
bogdanm 13:0645d8841f51 247 extern "C" int _isatty(FILEHANDLE fh)
bogdanm 13:0645d8841f51 248 #endif
bogdanm 13:0645d8841f51 249 {
bogdanm 13:0645d8841f51 250 /* stdin, stdout and stderr should be tty */
bogdanm 13:0645d8841f51 251 if (fh < 3) return 1;
bogdanm 13:0645d8841f51 252
bogdanm 13:0645d8841f51 253 FileHandle* fhc = filehandles[fh-3];
bogdanm 13:0645d8841f51 254 if (fhc == NULL) return -1;
bogdanm 13:0645d8841f51 255
bogdanm 13:0645d8841f51 256 return fhc->isatty();
bogdanm 13:0645d8841f51 257 }
bogdanm 13:0645d8841f51 258
bogdanm 13:0645d8841f51 259 extern "C"
bogdanm 13:0645d8841f51 260 #if defined(__ARMCC_VERSION)
bogdanm 13:0645d8841f51 261 int _sys_seek(FILEHANDLE fh, long position)
bogdanm 13:0645d8841f51 262 #elif defined(__ICCARM__)
bogdanm 13:0645d8841f51 263 long __lseek(int fh, long offset, int whence)
bogdanm 13:0645d8841f51 264 #else
bogdanm 13:0645d8841f51 265 int _lseek(FILEHANDLE fh, int offset, int whence)
bogdanm 13:0645d8841f51 266 #endif
bogdanm 13:0645d8841f51 267 {
bogdanm 13:0645d8841f51 268 if (fh < 3) return 0;
bogdanm 13:0645d8841f51 269
bogdanm 13:0645d8841f51 270 FileHandle* fhc = filehandles[fh-3];
bogdanm 13:0645d8841f51 271 if (fhc == NULL) return -1;
bogdanm 13:0645d8841f51 272
bogdanm 13:0645d8841f51 273 #if defined(__ARMCC_VERSION)
bogdanm 13:0645d8841f51 274 return fhc->lseek(position, SEEK_SET);
bogdanm 13:0645d8841f51 275 #else
bogdanm 13:0645d8841f51 276 return fhc->lseek(offset, whence);
bogdanm 13:0645d8841f51 277 #endif
bogdanm 13:0645d8841f51 278 }
bogdanm 13:0645d8841f51 279
bogdanm 13:0645d8841f51 280 #ifdef __ARMCC_VERSION
bogdanm 13:0645d8841f51 281 extern "C" int PREFIX(_ensure)(FILEHANDLE fh) {
bogdanm 13:0645d8841f51 282 if (fh < 3) return 0;
bogdanm 13:0645d8841f51 283
bogdanm 13:0645d8841f51 284 FileHandle* fhc = filehandles[fh-3];
bogdanm 13:0645d8841f51 285 if (fhc == NULL) return -1;
bogdanm 13:0645d8841f51 286
bogdanm 13:0645d8841f51 287 return fhc->fsync();
bogdanm 13:0645d8841f51 288 }
bogdanm 13:0645d8841f51 289
bogdanm 13:0645d8841f51 290 extern "C" long PREFIX(_flen)(FILEHANDLE fh) {
bogdanm 13:0645d8841f51 291 if (fh < 3) return 0;
bogdanm 13:0645d8841f51 292
bogdanm 13:0645d8841f51 293 FileHandle* fhc = filehandles[fh-3];
bogdanm 13:0645d8841f51 294 if (fhc == NULL) return -1;
bogdanm 13:0645d8841f51 295
bogdanm 13:0645d8841f51 296 return fhc->flen();
bogdanm 13:0645d8841f51 297 }
bogdanm 13:0645d8841f51 298 #endif
bogdanm 13:0645d8841f51 299
bogdanm 13:0645d8841f51 300
bogdanm 13:0645d8841f51 301 #if !defined(__ARMCC_VERSION) && !defined(__ICCARM__)
bogdanm 13:0645d8841f51 302 extern "C" int _fstat(int fd, struct stat *st) {
bogdanm 13:0645d8841f51 303 if ((STDOUT_FILENO == fd) || (STDERR_FILENO == fd) || (STDIN_FILENO == fd)) {
bogdanm 13:0645d8841f51 304 st->st_mode = S_IFCHR;
bogdanm 13:0645d8841f51 305 return 0;
bogdanm 13:0645d8841f51 306 }
bogdanm 13:0645d8841f51 307
bogdanm 13:0645d8841f51 308 errno = EBADF;
bogdanm 13:0645d8841f51 309 return -1;
bogdanm 13:0645d8841f51 310 }
bogdanm 13:0645d8841f51 311 #endif
bogdanm 13:0645d8841f51 312
bogdanm 13:0645d8841f51 313 namespace std {
bogdanm 13:0645d8841f51 314 extern "C" int remove(const char *path) {
bogdanm 13:0645d8841f51 315 FilePath fp(path);
bogdanm 13:0645d8841f51 316 FileSystemLike *fs = fp.fileSystem();
bogdanm 13:0645d8841f51 317 if (fs == NULL) return -1;
bogdanm 13:0645d8841f51 318
bogdanm 13:0645d8841f51 319 return fs->remove(fp.fileName());
bogdanm 13:0645d8841f51 320 }
bogdanm 13:0645d8841f51 321
bogdanm 13:0645d8841f51 322 extern "C" int rename(const char *oldname, const char *newname) {
bogdanm 13:0645d8841f51 323 return -1;
bogdanm 13:0645d8841f51 324 }
bogdanm 13:0645d8841f51 325
bogdanm 13:0645d8841f51 326 extern "C" char *tmpnam(char *s) {
bogdanm 13:0645d8841f51 327 return NULL;
bogdanm 13:0645d8841f51 328 }
bogdanm 13:0645d8841f51 329
bogdanm 13:0645d8841f51 330 extern "C" FILE *tmpfile() {
bogdanm 13:0645d8841f51 331 return NULL;
bogdanm 13:0645d8841f51 332 }
bogdanm 13:0645d8841f51 333 } // namespace std
bogdanm 13:0645d8841f51 334
bogdanm 13:0645d8841f51 335 #ifdef __ARMCC_VERSION
bogdanm 13:0645d8841f51 336 extern "C" char *_sys_command_string(char *cmd, int len) {
bogdanm 13:0645d8841f51 337 return NULL;
bogdanm 13:0645d8841f51 338 }
bogdanm 13:0645d8841f51 339 #endif
bogdanm 13:0645d8841f51 340
bogdanm 13:0645d8841f51 341 extern "C" DIR *opendir(const char *path) {
bogdanm 13:0645d8841f51 342 /* root dir is FileSystemLike */
bogdanm 13:0645d8841f51 343 if (path[0] == '/' && path[1] == 0) {
bogdanm 13:0645d8841f51 344 return FileSystemLike::opendir();
bogdanm 13:0645d8841f51 345 }
bogdanm 13:0645d8841f51 346
bogdanm 13:0645d8841f51 347 FilePath fp(path);
bogdanm 13:0645d8841f51 348 FileSystemLike* fs = fp.fileSystem();
bogdanm 13:0645d8841f51 349 if (fs == NULL) return NULL;
bogdanm 13:0645d8841f51 350
bogdanm 13:0645d8841f51 351 return fs->opendir(fp.fileName());
bogdanm 13:0645d8841f51 352 }
bogdanm 13:0645d8841f51 353
bogdanm 13:0645d8841f51 354 extern "C" struct dirent *readdir(DIR *dir) {
bogdanm 13:0645d8841f51 355 return dir->readdir();
bogdanm 13:0645d8841f51 356 }
bogdanm 13:0645d8841f51 357
bogdanm 13:0645d8841f51 358 extern "C" int closedir(DIR *dir) {
bogdanm 13:0645d8841f51 359 return dir->closedir();
bogdanm 13:0645d8841f51 360 }
bogdanm 13:0645d8841f51 361
bogdanm 13:0645d8841f51 362 extern "C" void rewinddir(DIR *dir) {
bogdanm 13:0645d8841f51 363 dir->rewinddir();
bogdanm 13:0645d8841f51 364 }
bogdanm 13:0645d8841f51 365
bogdanm 13:0645d8841f51 366 extern "C" off_t telldir(DIR *dir) {
bogdanm 13:0645d8841f51 367 return dir->telldir();
bogdanm 13:0645d8841f51 368 }
bogdanm 13:0645d8841f51 369
bogdanm 13:0645d8841f51 370 extern "C" void seekdir(DIR *dir, off_t off) {
bogdanm 13:0645d8841f51 371 dir->seekdir(off);
bogdanm 13:0645d8841f51 372 }
bogdanm 13:0645d8841f51 373
bogdanm 13:0645d8841f51 374 extern "C" int mkdir(const char *path, mode_t mode) {
bogdanm 13:0645d8841f51 375 FilePath fp(path);
bogdanm 13:0645d8841f51 376 FileSystemLike *fs = fp.fileSystem();
bogdanm 13:0645d8841f51 377 if (fs == NULL) return -1;
bogdanm 13:0645d8841f51 378
bogdanm 13:0645d8841f51 379 return fs->mkdir(fp.fileName(), mode);
bogdanm 13:0645d8841f51 380 }
bogdanm 13:0645d8841f51 381
bogdanm 13:0645d8841f51 382 #if defined(TOOLCHAIN_GCC)
bogdanm 13:0645d8841f51 383 /* prevents the exception handling name demangling code getting pulled in */
bogdanm 13:0645d8841f51 384 #include "error.h"
bogdanm 13:0645d8841f51 385 namespace __gnu_cxx {
bogdanm 13:0645d8841f51 386 void __verbose_terminate_handler() {
bogdanm 13:0645d8841f51 387 error("Exception");
bogdanm 13:0645d8841f51 388 }
bogdanm 13:0645d8841f51 389 }
bogdanm 13:0645d8841f51 390 extern "C" WEAK void __cxa_pure_virtual(void);
bogdanm 13:0645d8841f51 391 extern "C" WEAK void __cxa_pure_virtual(void) {
bogdanm 13:0645d8841f51 392 exit(1);
bogdanm 13:0645d8841f51 393 }
bogdanm 13:0645d8841f51 394
bogdanm 13:0645d8841f51 395 #endif
bogdanm 13:0645d8841f51 396
bogdanm 13:0645d8841f51 397 // ****************************************************************************
bogdanm 13:0645d8841f51 398 // mbed_main is a function that is called before main()
bogdanm 13:0645d8841f51 399
bogdanm 13:0645d8841f51 400 extern "C" WEAK void mbed_main(void);
bogdanm 13:0645d8841f51 401 extern "C" WEAK void mbed_main(void) {
bogdanm 13:0645d8841f51 402 }
bogdanm 13:0645d8841f51 403
bogdanm 13:0645d8841f51 404 #if defined(TOOLCHAIN_ARM)
bogdanm 13:0645d8841f51 405 extern "C" int $Super$$main(void);
bogdanm 13:0645d8841f51 406
bogdanm 13:0645d8841f51 407 extern "C" int $Sub$$main(void) {
bogdanm 13:0645d8841f51 408 mbed_main();
bogdanm 13:0645d8841f51 409 return $Super$$main();
bogdanm 13:0645d8841f51 410 }
bogdanm 13:0645d8841f51 411 #elif defined(TOOLCHAIN_GCC)
bogdanm 13:0645d8841f51 412 extern "C" int __real_main(void);
bogdanm 13:0645d8841f51 413
bogdanm 13:0645d8841f51 414 extern "C" int __wrap_main(void) {
bogdanm 13:0645d8841f51 415 mbed_main();
bogdanm 13:0645d8841f51 416 return __real_main();
bogdanm 13:0645d8841f51 417 }
bogdanm 13:0645d8841f51 418 #elif defined(TOOLCHAIN_IAR)
bogdanm 13:0645d8841f51 419 // IAR doesn't have the $Super/$Sub mechanism of armcc, nor something equivalent
bogdanm 13:0645d8841f51 420 // to ld's --wrap. It does have a --redirect, but that doesn't help, since redirecting
bogdanm 13:0645d8841f51 421 // 'main' to another symbol looses the original 'main' symbol. However, its startup
bogdanm 13:0645d8841f51 422 // code will call a function to setup argc and argv (__iar_argc_argv) if it is defined.
bogdanm 13:0645d8841f51 423 // Since mbed doesn't use argc/argv, we use this function to call our mbed_main.
bogdanm 13:0645d8841f51 424 extern "C" void __iar_argc_argv() {
bogdanm 13:0645d8841f51 425 mbed_main();
bogdanm 13:0645d8841f51 426 }
bogdanm 13:0645d8841f51 427 #endif