Add IAR support

Make the following changes for IAR support:
-define __deprecated_message for IAR
-fix python error in iar.py
-move variable length array in buffered serial from cpp file to c file.
    IAR only supports variable length arrays in c.

frameworks/utest/utest/shim.h

@@ -30,6 +30,8 @@
 #   ifndef __deprecated_message
 #       if defined(__CC_ARM)
 #           define __deprecated_message(msg) __attribute__((deprecated))
+#       elif defined (__ICCARM__)
+#           define __deprecated_message(msg)
 #       else
 #           define __deprecated_message(msg) __attribute__((deprecated(msg)))
 #       endif

net/ESP8266Interface/ESP8266/ATParser/BufferedSerial/BufferedPrint.c

@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2014-2015 ARM Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ * Licensed under the Apache License, Version 2.0 (the License); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdarg.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "mbed_error.h"
+
+size_t BufferedSerialThunk(void *buf_serial, const void *s, size_t length);
+
+int BufferedPrintfC(void *stream, int size, const char* format, va_list arg)
+{
+    int r;
+    char buffer[size];
+    memset(buffer, 0, size);
+    r = vsprintf(buffer, format, arg);
+    // this may not hit the heap but should alert the user anyways
+    if(r > (int32_t) size) {
+        error("%s %d buffer overwrite (max_buf_size: %d exceeded: %d)!\r\n", __FILE__, __LINE__, size, r);
+        return 0;
+    }
+    if ( r > 0 ) {
+        BufferedSerialThunk(stream, buffer, r);
+    }
+    return r;
+}

net/ESP8266Interface/ESP8266/ATParser/BufferedSerial/BufferedSerial.cpp

@@ -23,6 +23,8 @@
 #include "BufferedSerial.h"
 #include <stdarg.h>
 
+extern "C" int BufferedPrintfC(void *stream, int size, const char* format, va_list arg);
+
 BufferedSerial::BufferedSerial(PinName tx, PinName rx, uint32_t buf_size, uint32_t tx_multiple, const char* name)
     : RawSerial(tx, rx) , _rxbuf(buf_size), _txbuf((uint32_t)(tx_multiple*buf_size))
 {
@@ -79,26 +81,18 @@ int BufferedSerial::puts(const char *s)
     return 0;
 }
 
+extern "C" size_t BufferedSerialThunk(void *buf_serial, const void *s, size_t length)
+{
+    BufferedSerial *buffered_serial = (BufferedSerial *)buf_serial;
+    return buffered_serial->write(s, length);
+}
+
 int BufferedSerial::printf(const char* format, ...)
 {
-    char buffer[this->_buf_size];
-    memset(buffer,0,this->_buf_size);
-    int r = 0;
-
     va_list arg;
     va_start(arg, format);
-    r = vsprintf(buffer, format, arg);
+    int r = BufferedPrintfC((void*)this, this->_buf_size, format, arg);
-    // this may not hit the heap but should alert the user anyways
-    if(r > (int32_t) this->_buf_size) {
-        error("%s %d buffer overwrite (max_buf_size: %d exceeded: %d)!\r\n", __FILE__, __LINE__,this->_buf_size,r);
-        va_end(arg);
-        return 0;
-    }
     va_end(arg);
-    if ( r > 0 ) {
-        r = BufferedSerial::write(buffer, r);
-    }
-
     return r;
 }
 

tools/toolchains/iar.py

@@ -149,7 +149,7 @@ class IAR(mbedToolchain):
         cmd = [self.ld, "-o", output, "--skip_dynamic_initialization", "--map=%s" % map_file] + objects + libraries
 
         if mem_map:
-            args.extend(["--config", mem_map])
+            cmd.extend(["--config", mem_map])
 
         # Call cmdline hook
         cmd = self.hook.get_cmdline_linker(cmd)