| /* |
| * Copyright (c) 2013-2014, Wind River Systems, Inc. |
| * |
| * 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. |
| */ |
| |
| /** |
| * @file |
| * @brief GCC toolchain linker defs |
| * |
| * This header file defines the necessary macros used by the linker script for |
| * use with the GCC linker. |
| */ |
| |
| #ifndef __LINKER_TOOL_GCC_H |
| #define __LINKER_TOOL_GCC_H |
| |
| #if defined(CONFIG_ARM) |
| OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", "elf32-littlearm") |
| #elif defined(CONFIG_ARC) |
| OUTPUT_FORMAT("elf32-littlearc", "elf32-bigarc", "elf32-littlearc") |
| #elif defined(CONFIG_X86) |
| #if defined(__IAMCU) |
| OUTPUT_FORMAT("elf32-iamcu") |
| OUTPUT_ARCH(iamcu:intel) |
| #else |
| OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386") |
| OUTPUT_ARCH(i386) |
| #endif |
| #else |
| #error Arch not supported. |
| #endif |
| |
| /* |
| * The GROUP_START() and GROUP_END() macros are used to define a group |
| * of sections located in one memory area, such as RAM, ROM, etc. |
| * The <where> parameter is the name of the memory area. |
| */ |
| #define GROUP_START(where) |
| #define GROUP_END(where) |
| |
| /* |
| * The GROUP_LINK_IN() macro is located at the end of the section |
| * description and tells the linker that this section is located in |
| * the memory area specified by <where> argument. |
| */ |
| #define GROUP_LINK_IN(where) > where |
| |
| /* |
| * The GROUP_FOLLOWS_AT() macro is located at the end of the section |
| * and indicates that the section does not specify an address at which |
| * it is to be loaded, but that it follows a section which did specify |
| * such an address |
| */ |
| #define GROUP_FOLLOWS_AT(where) AT > where |
| |
| /* |
| * The SECTION_PROLOGUE() macro is used to define the beginning of a section. |
| * The <name> parameter is the name of the section, and the <option> parameter |
| * is to include any special options such as (NOLOAD). Page alignment has its |
| * own parameter since it needs abstraction across the different toolchains. |
| * If not required, the <options> and <align> parameters should be left blank. |
| */ |
| |
| #define SECTION_PROLOGUE(name, options, align) name options : align |
| |
| /* |
| * The SECTION_AT_PROLOGUE() macro is similar to SECTION_PROLOGUE() except |
| * that, in addition, the address at which the section is to be loaded is |
| * specified. |
| */ |
| |
| #define SECTION_AT_PROLOGUE(name, options, align, addr) \ |
| name options : align AT(addr) |
| |
| #define SORT_BY_NAME(x) SORT(x) |
| #define OPTIONAL |
| |
| #define COMMON_SYMBOLS *(COMMON) |
| |
| #endif /* !__LINKER_TOOL_GCC_H */ |