103 lines
3.7 KiB
C
103 lines
3.7 KiB
C
/* linker-tool-gcc.h - GCC toolchain linker defs */
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/*
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* Copyright (c) 2013-2014, Wind River Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1) Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2) Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3) Neither the name of Wind River Systems nor the names of its contributors
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* may be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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DESCRIPTION
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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_CPU_CORTEXM)
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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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#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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/*
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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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/* Diab-isms */
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#define SORT_BY_NAME(x) SORT(x)
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#define OPTIONAL
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/* see linker-tool-diab.h for description */
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#define PGALIGN_ALIGN(x) ALIGN(x)
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#define COMMON_SYMBOLS *(COMMON)
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#endif /* !__LINKER_TOOL_GCC_H */
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