94 lines
2.9 KiB
C
94 lines
2.9 KiB
C
/*
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* Copyright (c) 2013-2014, Wind River Systems, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @file
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* @brief GCC toolchain linker defs
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*
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* This header file defines the necessary macros used by the linker script for
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* use with the GCC linker.
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*/
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#ifndef __LINKER_TOOL_GCC_H
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#define __LINKER_TOOL_GCC_H
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#if defined(CONFIG_ARM)
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OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
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#elif defined(CONFIG_ARC)
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OUTPUT_FORMAT("elf32-littlearc", "elf32-bigarc", "elf32-littlearc")
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#elif defined(CONFIG_X86)
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#if defined(__IAMCU)
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OUTPUT_FORMAT("elf32-iamcu")
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OUTPUT_ARCH(iamcu:intel)
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#else
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OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
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OUTPUT_ARCH(i386)
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#endif
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#elif defined(CONFIG_NIOS2)
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OUTPUT_FORMAT("elf32-littlenios2", "elf32-bignios2", "elf32-littlenios2")
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#else
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#error Arch not supported.
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#endif
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/*
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* The GROUP_START() and GROUP_END() macros are used to define a group
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* of sections located in one memory area, such as RAM, ROM, etc.
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* The <where> parameter is the name of the memory area.
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*/
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#define GROUP_START(where)
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#define GROUP_END(where)
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/*
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* The GROUP_LINK_IN() macro is located at the end of the section
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* description and tells the linker that this section is located in
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* the memory area specified by <where> argument.
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*/
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#define GROUP_LINK_IN(where) > where
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/*
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* The GROUP_FOLLOWS_AT() macro is located at the end of the section
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* and indicates that the section does not specify an address at which
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* it is to be loaded, but that it follows a section which did specify
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* such an address
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*/
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#define GROUP_FOLLOWS_AT(where) AT > where
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/*
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* The SECTION_PROLOGUE() macro is used to define the beginning of a section.
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* The <name> parameter is the name of the section, and the <option> parameter
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* is to include any special options such as (NOLOAD). Page alignment has its
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* own parameter since it needs abstraction across the different toolchains.
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* If not required, the <options> and <align> parameters should be left blank.
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*/
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#define SECTION_PROLOGUE(name, options, align) name options : align
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/*
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* The SECTION_AT_PROLOGUE() macro is similar to SECTION_PROLOGUE() except
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* that, in addition, the address at which the section is to be loaded is
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* specified.
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*/
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#define SECTION_AT_PROLOGUE(name, options, align, addr) \
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name options : align AT(addr)
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#define SORT_BY_NAME(x) SORT(x)
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#define OPTIONAL
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#define COMMON_SYMBOLS *(COMMON)
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#endif /* !__LINKER_TOOL_GCC_H */
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