mbed official / mbed

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

Dependents:   hello SerialTestv11 SerialTestv12 Sierpinski ... more

mbed 2

This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.

platform/mbed_toolchain.h@172:65be27845400, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 20:53:29 2019 +0000
Revision:
172:65be27845400
Parent:
171:3a7713b1edbc 
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 156:ff21514d8981 1
AnnaBridge 156:ff21514d8981 2 /** \addtogroup platform */
AnnaBridge 156:ff21514d8981 3 /** @{*/
AnnaBridge 158:1c57384330a6 4 /**
AnnaBridge 158:1c57384330a6 5 * \defgroup platform_toolchain Toolchain functions
AnnaBridge 158:1c57384330a6 6 * @{
AnnaBridge 158:1c57384330a6 7 */
Anna Bridge 160:5571c4ff569f 8
AnnaBridge 156:ff21514d8981 9 /* mbed Microcontroller Library
AnnaBridge 156:ff21514d8981 10 * Copyright (c) 2006-2013 ARM Limited
AnnaBridge 172:65be27845400 11 * SPDX-License-Identifier: Apache-2.0
AnnaBridge 156:ff21514d8981 12 *
AnnaBridge 156:ff21514d8981 13 * Licensed under the Apache License, Version 2.0 (the "License");
AnnaBridge 156:ff21514d8981 14 * you may not use this file except in compliance with the License.
AnnaBridge 156:ff21514d8981 15 * You may obtain a copy of the License at
AnnaBridge 156:ff21514d8981 16 *
AnnaBridge 156:ff21514d8981 17 * http://www.apache.org/licenses/LICENSE-2.0
AnnaBridge 156:ff21514d8981 18 *
AnnaBridge 156:ff21514d8981 19 * Unless required by applicable law or agreed to in writing, software
AnnaBridge 156:ff21514d8981 20 * distributed under the License is distributed on an "AS IS" BASIS,
AnnaBridge 156:ff21514d8981 21 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AnnaBridge 156:ff21514d8981 22 * See the License for the specific language governing permissions and
AnnaBridge 156:ff21514d8981 23 * limitations under the License.
AnnaBridge 156:ff21514d8981 24 */
AnnaBridge 156:ff21514d8981 25 #ifndef MBED_TOOLCHAIN_H
AnnaBridge 156:ff21514d8981 26 #define MBED_TOOLCHAIN_H
AnnaBridge 156:ff21514d8981 27
AnnaBridge 156:ff21514d8981 28 #include "mbed_preprocessor.h"
AnnaBridge 156:ff21514d8981 29
AnnaBridge 156:ff21514d8981 30
AnnaBridge 156:ff21514d8981 31 // Warning for unsupported compilers
AnnaBridge 156:ff21514d8981 32 #if !defined(__GNUC__) /* GCC */ \
AnnaBridge 156:ff21514d8981 33 && !defined(__CC_ARM) /* ARMCC */ \
AnnaBridge 156:ff21514d8981 34 && !defined(__clang__) /* LLVM/Clang */ \
AnnaBridge 156:ff21514d8981 35 && !defined(__ICCARM__) /* IAR */
AnnaBridge 156:ff21514d8981 36 #warning "This compiler is not yet supported."
AnnaBridge 156:ff21514d8981 37 #endif
AnnaBridge 156:ff21514d8981 38
AnnaBridge 156:ff21514d8981 39
AnnaBridge 156:ff21514d8981 40 // Attributes
AnnaBridge 156:ff21514d8981 41
AnnaBridge 156:ff21514d8981 42 /** MBED_PACKED
AnnaBridge 156:ff21514d8981 43 * Pack a structure, preventing any padding from being added between fields.
AnnaBridge 156:ff21514d8981 44 *
AnnaBridge 156:ff21514d8981 45 * @code
AnnaBridge 156:ff21514d8981 46 * #include "mbed_toolchain.h"
AnnaBridge 156:ff21514d8981 47 *
AnnaBridge 156:ff21514d8981 48 * MBED_PACKED(struct) foo {
AnnaBridge 156:ff21514d8981 49 * char x;
AnnaBridge 156:ff21514d8981 50 * int y;
AnnaBridge 156:ff21514d8981 51 * };
AnnaBridge 156:ff21514d8981 52 * @endcode
AnnaBridge 156:ff21514d8981 53 */
AnnaBridge 156:ff21514d8981 54 #ifndef MBED_PACKED
AnnaBridge 156:ff21514d8981 55 #if defined(__ICCARM__)
AnnaBridge 156:ff21514d8981 56 #define MBED_PACKED(struct) __packed struct
AnnaBridge 156:ff21514d8981 57 #else
AnnaBridge 156:ff21514d8981 58 #define MBED_PACKED(struct) struct __attribute__((packed))
AnnaBridge 156:ff21514d8981 59 #endif
AnnaBridge 156:ff21514d8981 60 #endif
AnnaBridge 156:ff21514d8981 61
AnnaBridge 156:ff21514d8981 62 /** MBED_ALIGN(N)
AnnaBridge 156:ff21514d8981 63 * Declare a variable to be aligned on an N-byte boundary.
AnnaBridge 156:ff21514d8981 64 *
AnnaBridge 156:ff21514d8981 65 * @note
AnnaBridge 156:ff21514d8981 66 * IAR does not support alignment greater than word size on the stack
Anna Bridge 160:5571c4ff569f 67 *
AnnaBridge 156:ff21514d8981 68 * @code
AnnaBridge 156:ff21514d8981 69 * #include "mbed_toolchain.h"
AnnaBridge 156:ff21514d8981 70 *
AnnaBridge 156:ff21514d8981 71 * MBED_ALIGN(16) char a;
AnnaBridge 156:ff21514d8981 72 * @endcode
AnnaBridge 156:ff21514d8981 73 */
AnnaBridge 156:ff21514d8981 74 #ifndef MBED_ALIGN
AnnaBridge 156:ff21514d8981 75 #if defined(__ICCARM__)
AnnaBridge 156:ff21514d8981 76 #define MBED_ALIGN(N) _Pragma(MBED_STRINGIFY(data_alignment=N))
AnnaBridge 156:ff21514d8981 77 #else
AnnaBridge 156:ff21514d8981 78 #define MBED_ALIGN(N) __attribute__((aligned(N)))
AnnaBridge 156:ff21514d8981 79 #endif
AnnaBridge 156:ff21514d8981 80 #endif
AnnaBridge 156:ff21514d8981 81
AnnaBridge 156:ff21514d8981 82 /** MBED_UNUSED
AnnaBridge 156:ff21514d8981 83 * Declare a function argument to be unused, suppressing compiler warnings
AnnaBridge 156:ff21514d8981 84 *
AnnaBridge 156:ff21514d8981 85 * @code
AnnaBridge 156:ff21514d8981 86 * #include "mbed_toolchain.h"
AnnaBridge 156:ff21514d8981 87 *
AnnaBridge 156:ff21514d8981 88 * void foo(MBED_UNUSED int arg) {
AnnaBridge 156:ff21514d8981 89 *
AnnaBridge 156:ff21514d8981 90 * }
AnnaBridge 156:ff21514d8981 91 * @endcode
AnnaBridge 156:ff21514d8981 92 */
AnnaBridge 156:ff21514d8981 93 #ifndef MBED_UNUSED
AnnaBridge 156:ff21514d8981 94 #if defined(__GNUC__) || defined(__clang__) || defined(__CC_ARM)
AnnaBridge 156:ff21514d8981 95 #define MBED_UNUSED __attribute__((__unused__))
AnnaBridge 156:ff21514d8981 96 #else
AnnaBridge 156:ff21514d8981 97 #define MBED_UNUSED
AnnaBridge 156:ff21514d8981 98 #endif
AnnaBridge 156:ff21514d8981 99 #endif
AnnaBridge 156:ff21514d8981 100
AnnaBridge 156:ff21514d8981 101 /** MBED_USED
AnnaBridge 156:ff21514d8981 102 * Inform the compiler that a static variable is to be retained in the object file, even if it is unreferenced.
AnnaBridge 156:ff21514d8981 103 *
AnnaBridge 156:ff21514d8981 104 * @code
AnnaBridge 156:ff21514d8981 105 * #include "mbed_toolchain.h"
AnnaBridge 156:ff21514d8981 106 *
AnnaBridge 156:ff21514d8981 107 * MBED_USED int foo;
AnnaBridge 156:ff21514d8981 108 *
AnnaBridge 156:ff21514d8981 109 * @endcode
AnnaBridge 156:ff21514d8981 110 */
AnnaBridge 156:ff21514d8981 111 #ifndef MBED_USED
AnnaBridge 156:ff21514d8981 112 #if defined(__GNUC__) || defined(__clang__) || defined(__CC_ARM)
AnnaBridge 156:ff21514d8981 113 #define MBED_USED __attribute__((used))
AnnaBridge 156:ff21514d8981 114 #elif defined(__ICCARM__)
AnnaBridge 156:ff21514d8981 115 #define MBED_USED __root
AnnaBridge 156:ff21514d8981 116 #else
AnnaBridge 156:ff21514d8981 117 #define MBED_USED
AnnaBridge 156:ff21514d8981 118 #endif
AnnaBridge 156:ff21514d8981 119 #endif
AnnaBridge 156:ff21514d8981 120
AnnaBridge 156:ff21514d8981 121 /** MBED_WEAK
AnnaBridge 156:ff21514d8981 122 * Mark a function as being weak.
AnnaBridge 156:ff21514d8981 123 *
AnnaBridge 156:ff21514d8981 124 * @note
AnnaBridge 156:ff21514d8981 125 * Functions should only be marked as weak in the source file. The header file
AnnaBridge 156:ff21514d8981 126 * should contain a regular function declaration to insure the function is emitted.
AnnaBridge 156:ff21514d8981 127 * A function marked weak will not be emitted if an alternative non-weak
AnnaBridge 156:ff21514d8981 128 * implementation is defined.
Anna Bridge 160:5571c4ff569f 129 *
AnnaBridge 156:ff21514d8981 130 * @note
AnnaBridge 156:ff21514d8981 131 * Weak functions are not friendly to making code re-usable, as they can only
AnnaBridge 156:ff21514d8981 132 * be overridden once (and if they are multiply overridden the linker will emit
AnnaBridge 156:ff21514d8981 133 * no warning). You should not normally use weak symbols as part of the API to
AnnaBridge 156:ff21514d8981 134 * re-usable modules.
Anna Bridge 160:5571c4ff569f 135 *
AnnaBridge 156:ff21514d8981 136 * @code
AnnaBridge 156:ff21514d8981 137 * #include "mbed_toolchain.h"
Anna Bridge 160:5571c4ff569f 138 *
AnnaBridge 156:ff21514d8981 139 * MBED_WEAK void foo() {
AnnaBridge 156:ff21514d8981 140 * // a weak implementation of foo that can be overriden by a definition
AnnaBridge 156:ff21514d8981 141 * // without __weak
AnnaBridge 156:ff21514d8981 142 * }
AnnaBridge 156:ff21514d8981 143 * @endcode
AnnaBridge 156:ff21514d8981 144 */
AnnaBridge 156:ff21514d8981 145 #ifndef MBED_WEAK
AnnaBridge 156:ff21514d8981 146 #if defined(__ICCARM__)
AnnaBridge 156:ff21514d8981 147 #define MBED_WEAK __weak
AnnaBridge 171:3a7713b1edbc 148 #elif defined(__MINGW32__)
AnnaBridge 171:3a7713b1edbc 149 #define MBED_WEAK
AnnaBridge 156:ff21514d8981 150 #else
AnnaBridge 156:ff21514d8981 151 #define MBED_WEAK __attribute__((weak))
AnnaBridge 156:ff21514d8981 152 #endif
AnnaBridge 156:ff21514d8981 153 #endif
AnnaBridge 156:ff21514d8981 154
AnnaBridge 156:ff21514d8981 155 /** MBED_PURE
AnnaBridge 156:ff21514d8981 156 * Hint to the compiler that a function depends only on parameters
AnnaBridge 156:ff21514d8981 157 *
AnnaBridge 156:ff21514d8981 158 * @code
AnnaBridge 156:ff21514d8981 159 * #include "mbed_toolchain.h"
AnnaBridge 156:ff21514d8981 160 *
AnnaBridge 156:ff21514d8981 161 * MBED_PURE int foo(int arg){
AnnaBridge 156:ff21514d8981 162 * // no access to global variables
AnnaBridge 156:ff21514d8981 163 * }
AnnaBridge 156:ff21514d8981 164 * @endcode
AnnaBridge 156:ff21514d8981 165 */
AnnaBridge 156:ff21514d8981 166 #ifndef MBED_PURE
AnnaBridge 156:ff21514d8981 167 #if defined(__GNUC__) || defined(__clang__) || defined(__CC_ARM)
AnnaBridge 156:ff21514d8981 168 #define MBED_PURE __attribute__((const))
AnnaBridge 156:ff21514d8981 169 #else
AnnaBridge 156:ff21514d8981 170 #define MBED_PURE
AnnaBridge 156:ff21514d8981 171 #endif
AnnaBridge 156:ff21514d8981 172 #endif
AnnaBridge 156:ff21514d8981 173
AnnaBridge 156:ff21514d8981 174 /** MBED_NOINLINE
AnnaBridge 156:ff21514d8981 175 * Declare a function that must not be inlined.
AnnaBridge 156:ff21514d8981 176 *
AnnaBridge 156:ff21514d8981 177 * @code
AnnaBridge 156:ff21514d8981 178 * #include "mbed_toolchain.h"
Anna Bridge 160:5571c4ff569f 179 *
AnnaBridge 156:ff21514d8981 180 * MBED_NOINLINE void foo() {
Anna Bridge 160:5571c4ff569f 181 *
AnnaBridge 156:ff21514d8981 182 * }
AnnaBridge 156:ff21514d8981 183 * @endcode
AnnaBridge 156:ff21514d8981 184 */
AnnaBridge 156:ff21514d8981 185 #ifndef MBED_NOINLINE
AnnaBridge 156:ff21514d8981 186 #if defined(__GNUC__) || defined(__clang__) || defined(__CC_ARM)
AnnaBridge 156:ff21514d8981 187 #define MBED_NOINLINE __attribute__((noinline))
AnnaBridge 156:ff21514d8981 188 #elif defined(__ICCARM__)
AnnaBridge 156:ff21514d8981 189 #define MBED_NOINLINE _Pragma("inline=never")
AnnaBridge 156:ff21514d8981 190 #else
AnnaBridge 156:ff21514d8981 191 #define MBED_NOINLINE
AnnaBridge 156:ff21514d8981 192 #endif
AnnaBridge 156:ff21514d8981 193 #endif
AnnaBridge 156:ff21514d8981 194
AnnaBridge 156:ff21514d8981 195 /** MBED_FORCEINLINE
AnnaBridge 156:ff21514d8981 196 * Declare a function that must always be inlined. Failure to inline
AnnaBridge 156:ff21514d8981 197 * such a function will result in an error.
AnnaBridge 156:ff21514d8981 198 *
AnnaBridge 156:ff21514d8981 199 * @code
AnnaBridge 156:ff21514d8981 200 * #include "mbed_toolchain.h"
Anna Bridge 160:5571c4ff569f 201 *
AnnaBridge 156:ff21514d8981 202 * MBED_FORCEINLINE void foo() {
Anna Bridge 160:5571c4ff569f 203 *
AnnaBridge 156:ff21514d8981 204 * }
AnnaBridge 156:ff21514d8981 205 * @endcode
AnnaBridge 156:ff21514d8981 206 */
AnnaBridge 156:ff21514d8981 207 #ifndef MBED_FORCEINLINE
AnnaBridge 156:ff21514d8981 208 #if defined(__GNUC__) || defined(__clang__) || defined(__CC_ARM)
AnnaBridge 156:ff21514d8981 209 #define MBED_FORCEINLINE static inline __attribute__((always_inline))
AnnaBridge 156:ff21514d8981 210 #elif defined(__ICCARM__)
AnnaBridge 156:ff21514d8981 211 #define MBED_FORCEINLINE _Pragma("inline=forced") static
AnnaBridge 156:ff21514d8981 212 #else
AnnaBridge 156:ff21514d8981 213 #define MBED_FORCEINLINE static inline
AnnaBridge 156:ff21514d8981 214 #endif
AnnaBridge 156:ff21514d8981 215 #endif
AnnaBridge 156:ff21514d8981 216
AnnaBridge 156:ff21514d8981 217 /** MBED_NORETURN
AnnaBridge 156:ff21514d8981 218 * Declare a function that will never return.
AnnaBridge 156:ff21514d8981 219 *
AnnaBridge 156:ff21514d8981 220 * @code
AnnaBridge 156:ff21514d8981 221 * #include "mbed_toolchain.h"
Anna Bridge 160:5571c4ff569f 222 *
AnnaBridge 156:ff21514d8981 223 * MBED_NORETURN void foo() {
AnnaBridge 156:ff21514d8981 224 * // must never return
AnnaBridge 156:ff21514d8981 225 * while (1) {}
AnnaBridge 156:ff21514d8981 226 * }
AnnaBridge 156:ff21514d8981 227 * @endcode
AnnaBridge 156:ff21514d8981 228 */
AnnaBridge 156:ff21514d8981 229 #ifndef MBED_NORETURN
AnnaBridge 156:ff21514d8981 230 #if defined(__GNUC__) || defined(__clang__) || defined(__CC_ARM)
AnnaBridge 156:ff21514d8981 231 #define MBED_NORETURN __attribute__((noreturn))
AnnaBridge 156:ff21514d8981 232 #elif defined(__ICCARM__)
AnnaBridge 156:ff21514d8981 233 #define MBED_NORETURN __noreturn
AnnaBridge 156:ff21514d8981 234 #else
AnnaBridge 156:ff21514d8981 235 #define MBED_NORETURN
AnnaBridge 156:ff21514d8981 236 #endif
AnnaBridge 156:ff21514d8981 237 #endif
AnnaBridge 156:ff21514d8981 238
AnnaBridge 156:ff21514d8981 239 /** MBED_UNREACHABLE
AnnaBridge 156:ff21514d8981 240 * An unreachable statement. If the statement is reached,
AnnaBridge 172:65be27845400 241 * behavior is undefined. Useful in situations where the compiler
AnnaBridge 172:65be27845400 242 * cannot deduce if the code is unreachable.
AnnaBridge 156:ff21514d8981 243 *
AnnaBridge 156:ff21514d8981 244 * @code
AnnaBridge 156:ff21514d8981 245 * #include "mbed_toolchain.h"
AnnaBridge 156:ff21514d8981 246 *
AnnaBridge 156:ff21514d8981 247 * void foo(int arg) {
AnnaBridge 156:ff21514d8981 248 * switch (arg) {
AnnaBridge 156:ff21514d8981 249 * case 1: return 1;
AnnaBridge 156:ff21514d8981 250 * case 2: return 2;
AnnaBridge 156:ff21514d8981 251 * ...
AnnaBridge 156:ff21514d8981 252 * }
AnnaBridge 156:ff21514d8981 253 * MBED_UNREACHABLE;
AnnaBridge 156:ff21514d8981 254 * }
AnnaBridge 156:ff21514d8981 255 * @endcode
AnnaBridge 156:ff21514d8981 256 */
AnnaBridge 156:ff21514d8981 257 #ifndef MBED_UNREACHABLE
AnnaBridge 156:ff21514d8981 258 #if (defined(__GNUC__) || defined(__clang__)) && !defined(__CC_ARM)
AnnaBridge 156:ff21514d8981 259 #define MBED_UNREACHABLE __builtin_unreachable()
AnnaBridge 156:ff21514d8981 260 #else
AnnaBridge 156:ff21514d8981 261 #define MBED_UNREACHABLE while (1)
AnnaBridge 156:ff21514d8981 262 #endif
AnnaBridge 156:ff21514d8981 263 #endif
AnnaBridge 156:ff21514d8981 264
AnnaBridge 156:ff21514d8981 265 /** MBED_DEPRECATED("message string")
AnnaBridge 156:ff21514d8981 266 * Mark a function declaration as deprecated, if it used then a warning will be
AnnaBridge 156:ff21514d8981 267 * issued by the compiler possibly including the provided message. Note that not
AnnaBridge 156:ff21514d8981 268 * all compilers are able to display the message.
AnnaBridge 156:ff21514d8981 269 *
AnnaBridge 156:ff21514d8981 270 * @code
AnnaBridge 156:ff21514d8981 271 * #include "mbed_toolchain.h"
Anna Bridge 160:5571c4ff569f 272 *
AnnaBridge 156:ff21514d8981 273 * MBED_DEPRECATED("don't foo any more, bar instead")
AnnaBridge 156:ff21514d8981 274 * void foo(int arg);
AnnaBridge 156:ff21514d8981 275 * @endcode
AnnaBridge 156:ff21514d8981 276 */
AnnaBridge 156:ff21514d8981 277 #ifndef MBED_DEPRECATED
AnnaBridge 156:ff21514d8981 278 #if defined(__CC_ARM)
AnnaBridge 156:ff21514d8981 279 #define MBED_DEPRECATED(M) __attribute__((deprecated))
AnnaBridge 156:ff21514d8981 280 #elif defined(__GNUC__) || defined(__clang__)
AnnaBridge 156:ff21514d8981 281 #define MBED_DEPRECATED(M) __attribute__((deprecated(M)))
AnnaBridge 156:ff21514d8981 282 #else
AnnaBridge 156:ff21514d8981 283 #define MBED_DEPRECATED(M)
AnnaBridge 156:ff21514d8981 284 #endif
AnnaBridge 156:ff21514d8981 285 #endif
AnnaBridge 156:ff21514d8981 286
AnnaBridge 156:ff21514d8981 287 /** MBED_DEPRECATED_SINCE("version", "message string")
AnnaBridge 156:ff21514d8981 288 * Mark a function declaration as deprecated, noting that the declaration was
AnnaBridge 156:ff21514d8981 289 * deprecated on the specified version. If the function is used then a warning
AnnaBridge 156:ff21514d8981 290 * will be issued by the compiler possibly including the provided message.
AnnaBridge 156:ff21514d8981 291 * Note that not all compilers are able to display this message.
AnnaBridge 156:ff21514d8981 292 *
AnnaBridge 156:ff21514d8981 293 * @code
AnnaBridge 156:ff21514d8981 294 * #include "mbed_toolchain.h"
AnnaBridge 156:ff21514d8981 295 *
AnnaBridge 156:ff21514d8981 296 * MBED_DEPRECATED_SINCE("mbed-os-5.1", "don't foo any more, bar instead")
AnnaBridge 156:ff21514d8981 297 * void foo(int arg);
AnnaBridge 156:ff21514d8981 298 * @endcode
AnnaBridge 156:ff21514d8981 299 */
AnnaBridge 156:ff21514d8981 300 #define MBED_DEPRECATED_SINCE(D, M) MBED_DEPRECATED(M " [since " D "]")
AnnaBridge 156:ff21514d8981 301
AnnaBridge 156:ff21514d8981 302 /** MBED_CALLER_ADDR()
AnnaBridge 156:ff21514d8981 303 * Returns the caller of the current function.
AnnaBridge 156:ff21514d8981 304 *
AnnaBridge 156:ff21514d8981 305 * @note
AnnaBridge 156:ff21514d8981 306 * This macro is only implemented for GCC and ARMCC.
AnnaBridge 156:ff21514d8981 307 *
AnnaBridge 156:ff21514d8981 308 * @code
AnnaBridge 156:ff21514d8981 309 * #include "mbed_toolchain.h"
AnnaBridge 156:ff21514d8981 310 *
AnnaBridge 156:ff21514d8981 311 * printf("This function was called from %p", MBED_CALLER_ADDR());
AnnaBridge 156:ff21514d8981 312 * @endcode
AnnaBridge 156:ff21514d8981 313 *
AnnaBridge 156:ff21514d8981 314 * @return Address of the calling function
AnnaBridge 156:ff21514d8981 315 */
AnnaBridge 156:ff21514d8981 316 #ifndef MBED_CALLER_ADDR
AnnaBridge 156:ff21514d8981 317 #if (defined(__GNUC__) || defined(__clang__)) && !defined(__CC_ARM)
AnnaBridge 156:ff21514d8981 318 #define MBED_CALLER_ADDR() __builtin_extract_return_addr(__builtin_return_address(0))
AnnaBridge 156:ff21514d8981 319 #elif defined(__CC_ARM)
AnnaBridge 156:ff21514d8981 320 #define MBED_CALLER_ADDR() __builtin_return_address(0)
AnnaBridge 156:ff21514d8981 321 #else
AnnaBridge 156:ff21514d8981 322 #define MBED_CALLER_ADDR() (NULL)
AnnaBridge 156:ff21514d8981 323 #endif
AnnaBridge 156:ff21514d8981 324 #endif
AnnaBridge 156:ff21514d8981 325
AnnaBridge 156:ff21514d8981 326 #ifndef MBED_SECTION
AnnaBridge 156:ff21514d8981 327 #if (defined(__GNUC__) || defined(__clang__)) || defined(__CC_ARM)
AnnaBridge 156:ff21514d8981 328 #define MBED_SECTION(name) __attribute__ ((section (name)))
AnnaBridge 156:ff21514d8981 329 #elif defined(__ICCARM__)
AnnaBridge 156:ff21514d8981 330 #define MBED_SECTION(name) _Pragma(MBED_STRINGIFY(location=name))
AnnaBridge 156:ff21514d8981 331 #else
AnnaBridge 156:ff21514d8981 332 #error "Missing MBED_SECTION directive"
AnnaBridge 156:ff21514d8981 333 #endif
AnnaBridge 156:ff21514d8981 334 #endif
AnnaBridge 156:ff21514d8981 335
Anna Bridge 160:5571c4ff569f 336 /**
Anna Bridge 160:5571c4ff569f 337 * Macro expanding to a string literal of the enclosing function name.
Anna Bridge 160:5571c4ff569f 338 *
Anna Bridge 160:5571c4ff569f 339 * The string returned takes into account language specificity and yield human
Anna Bridge 160:5571c4ff569f 340 * readable content.
Anna Bridge 160:5571c4ff569f 341 *
Anna Bridge 160:5571c4ff569f 342 * As an example, if the macro is used within a C++ function then the string
Anna Bridge 160:5571c4ff569f 343 * literal containing the function name will contain the complete signature of
Anna Bridge 160:5571c4ff569f 344 * the function - including template parameters - and namespace qualifications.
Anna Bridge 160:5571c4ff569f 345 */
Anna Bridge 160:5571c4ff569f 346 #ifndef MBED_PRETTY_FUNCTION
Anna Bridge 160:5571c4ff569f 347 #define MBED_PRETTY_FUNCTION __PRETTY_FUNCTION__
Anna Bridge 160:5571c4ff569f 348 #endif
Anna Bridge 160:5571c4ff569f 349
AnnaBridge 156:ff21514d8981 350 #ifndef MBED_PRINTF
AnnaBridge 156:ff21514d8981 351 #if defined(__GNUC__) || defined(__CC_ARM)
AnnaBridge 156:ff21514d8981 352 #define MBED_PRINTF(format_idx, first_param_idx) __attribute__ ((__format__(__printf__, format_idx, first_param_idx)))
AnnaBridge 156:ff21514d8981 353 #else
AnnaBridge 156:ff21514d8981 354 #define MBED_PRINTF(format_idx, first_param_idx)
AnnaBridge 156:ff21514d8981 355 #endif
AnnaBridge 156:ff21514d8981 356 #endif
AnnaBridge 156:ff21514d8981 357
AnnaBridge 156:ff21514d8981 358 #ifndef MBED_PRINTF_METHOD
AnnaBridge 156:ff21514d8981 359 #if defined(__GNUC__) || defined(__CC_ARM)
AnnaBridge 172:65be27845400 360 #define MBED_PRINTF_METHOD(format_idx, first_param_idx) __attribute__ ((__format__(__printf__, format_idx+1, first_param_idx == 0 ? 0 : first_param_idx+1)))
AnnaBridge 156:ff21514d8981 361 #else
AnnaBridge 156:ff21514d8981 362 #define MBED_PRINTF_METHOD(format_idx, first_param_idx)
AnnaBridge 156:ff21514d8981 363 #endif
AnnaBridge 156:ff21514d8981 364 #endif
AnnaBridge 156:ff21514d8981 365
AnnaBridge 156:ff21514d8981 366 #ifndef MBED_SCANF
AnnaBridge 156:ff21514d8981 367 #if defined(__GNUC__) || defined(__CC_ARM)
AnnaBridge 156:ff21514d8981 368 #define MBED_SCANF(format_idx, first_param_idx) __attribute__ ((__format__(__scanf__, format_idx, first_param_idx)))
AnnaBridge 156:ff21514d8981 369 #else
AnnaBridge 156:ff21514d8981 370 #define MBED_SCANF(format_idx, first_param_idx)
AnnaBridge 156:ff21514d8981 371 #endif
AnnaBridge 156:ff21514d8981 372 #endif
AnnaBridge 156:ff21514d8981 373
AnnaBridge 156:ff21514d8981 374 #ifndef MBED_SCANF_METHOD
AnnaBridge 156:ff21514d8981 375 #if defined(__GNUC__) || defined(__CC_ARM)
AnnaBridge 172:65be27845400 376 #define MBED_SCANF_METHOD(format_idx, first_param_idx) __attribute__ ((__format__(__scanf__, format_idx+1, first_param_idx == 0 ? 0 : first_param_idx+1)))
AnnaBridge 156:ff21514d8981 377 #else
AnnaBridge 156:ff21514d8981 378 #define MBED_SCANF_METHOD(format_idx, first_param_idx)
AnnaBridge 156:ff21514d8981 379 #endif
AnnaBridge 156:ff21514d8981 380 #endif
AnnaBridge 156:ff21514d8981 381
AnnaBridge 165:d1b4690b3f8b 382 // Macro containing the filename part of the value of __FILE__. Defined as
AnnaBridge 165:d1b4690b3f8b 383 // string literal.
AnnaBridge 165:d1b4690b3f8b 384 #ifndef MBED_FILENAME
AnnaBridge 165:d1b4690b3f8b 385 #if defined(__CC_ARM)
AnnaBridge 165:d1b4690b3f8b 386 #define MBED_FILENAME __MODULE__
AnnaBridge 165:d1b4690b3f8b 387 #elif defined(__GNUC__)
AnnaBridge 165:d1b4690b3f8b 388 #define MBED_FILENAME (__builtin_strrchr(__FILE__, '/') ? __builtin_strrchr(__FILE__, '/') + 1 : __builtin_strrchr(__FILE__, '\\') ? __builtin_strrchr(__FILE__, '\\') + 1 : __FILE__)
AnnaBridge 165:d1b4690b3f8b 389 #elif defined(__ICCARM__)
AnnaBridge 165:d1b4690b3f8b 390 #define MBED_FILENAME (strrchr(__FILE__, '/') ? strrchr(__FILE__, '/') + 1 : strrchr(__FILE__, '\\') ? strrchr(__FILE__, '\\') + 1 : __FILE__)
AnnaBridge 165:d1b4690b3f8b 391 #else
AnnaBridge 165:d1b4690b3f8b 392 #define MBED_FILENAME __FILE__
AnnaBridge 165:d1b4690b3f8b 393 #endif
AnnaBridge 165:d1b4690b3f8b 394 #endif // #ifndef MBED_FILENAME
AnnaBridge 165:d1b4690b3f8b 395
AnnaBridge 156:ff21514d8981 396 // FILEHANDLE declaration
AnnaBridge 156:ff21514d8981 397 #if defined(TOOLCHAIN_ARM)
AnnaBridge 156:ff21514d8981 398 #include <rt_sys.h>
AnnaBridge 156:ff21514d8981 399 #endif
AnnaBridge 156:ff21514d8981 400
AnnaBridge 156:ff21514d8981 401 #ifndef FILEHANDLE
AnnaBridge 170:e95d10626187 402 typedef int FILEHANDLE;
AnnaBridge 156:ff21514d8981 403 #endif
AnnaBridge 156:ff21514d8981 404
AnnaBridge 156:ff21514d8981 405 // Backwards compatibility
AnnaBridge 156:ff21514d8981 406 #ifndef WEAK
AnnaBridge 156:ff21514d8981 407 #define WEAK MBED_WEAK
AnnaBridge 156:ff21514d8981 408 #endif
AnnaBridge 156:ff21514d8981 409
AnnaBridge 156:ff21514d8981 410 #ifndef PACKED
AnnaBridge 156:ff21514d8981 411 #define PACKED MBED_PACKED()
AnnaBridge 156:ff21514d8981 412 #endif
AnnaBridge 156:ff21514d8981 413
AnnaBridge 156:ff21514d8981 414 #ifndef EXTERN
AnnaBridge 156:ff21514d8981 415 #define EXTERN extern
AnnaBridge 156:ff21514d8981 416 #endif
AnnaBridge 156:ff21514d8981 417
Anna Bridge 169:a7c7b631e539 418 /** MBED_NONSECURE_ENTRY
Anna Bridge 169:a7c7b631e539 419 * Declare a function that can be called from non-secure world or secure world
Anna Bridge 169:a7c7b631e539 420 *
Anna Bridge 169:a7c7b631e539 421 * @code
Anna Bridge 169:a7c7b631e539 422 * #include "mbed_toolchain.h"
Anna Bridge 169:a7c7b631e539 423 *
Anna Bridge 169:a7c7b631e539 424 * MBED_NONSECURE_ENTRY void foo() {
Anna Bridge 169:a7c7b631e539 425 *
Anna Bridge 169:a7c7b631e539 426 * }
Anna Bridge 169:a7c7b631e539 427 * @endcode
Anna Bridge 169:a7c7b631e539 428 */
Anna Bridge 169:a7c7b631e539 429 #if defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3L)
Anna Bridge 169:a7c7b631e539 430 #if defined (__ICCARM__)
Anna Bridge 169:a7c7b631e539 431 #define MBED_NONSECURE_ENTRY __cmse_nonsecure_entry
Anna Bridge 169:a7c7b631e539 432 #else
Anna Bridge 169:a7c7b631e539 433 #define MBED_NONSECURE_ENTRY __attribute__((cmse_nonsecure_entry))
Anna Bridge 169:a7c7b631e539 434 #endif
Anna Bridge 169:a7c7b631e539 435 #else
Anna Bridge 169:a7c7b631e539 436 #define MBED_NONSECURE_ENTRY
Anna Bridge 169:a7c7b631e539 437 #endif
Anna Bridge 169:a7c7b631e539 438
AnnaBridge 156:ff21514d8981 439 #endif
AnnaBridge 156:ff21514d8981 440
AnnaBridge 156:ff21514d8981 441 /** @}*/
AnnaBridge 158:1c57384330a6 442 /** @}*/