307 lines
12 KiB
Plaintext
307 lines
12 KiB
Plaintext
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/***********************license start***************
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* Copyright (c) 2003-2010 Cavium Inc. (support@cavium.com). All rights
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* reserved.
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*
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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
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of Cavium Inc. nor the names of
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* its contributors may be used to endorse or promote products
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* derived from this software without specific prior written
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* permission.
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* This Software, including technical data, may be subject to U.S. export control
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* laws, including the U.S. Export Administration Act and its associated
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* regulations, and may be subject to export or import regulations in other
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* countries.
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* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
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* AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR
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* WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO
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* THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR
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* DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM
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* SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE,
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* MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF
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* VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR
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* CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR
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* PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
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***********************license end**************************************/
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/*
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* This was created from a template supplied by GNU binutils.
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* Copyright (C) 2004 Cavium Inc.
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*/
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/**
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* @file
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* This linker script for use in building simple executive application to run
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* under Linux in userspace. The important difference from a standard Linux
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* binary is the addition of the ".cvmx_shared" memory section. This script
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* adds two symbols __cvmx_shared_start and __cvmx_sahred_end before and after
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* the CVMX_SHARED data. These are used by cvmx-app-init-linux.c to create a
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* shared region across all application processes.
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*
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* The original template for this files was:
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* ${OCTEON_ROOT}/tools/mips64-octeon-linux-gnu/lib/ldscripts/elf64btsmip.x
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*/
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OUTPUT_FORMAT("elf64-tradbigmips", "elf64-tradbigmips",
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"elf64-tradlittlemips")
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OUTPUT_ARCH(mips)
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ENTRY(__start)
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SEARCH_DIR("${OCTEON_ROOT}/tools/mips64-octeon-linux-gnu/lib");
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SECTIONS
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{
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/* Read-only sections, merged into text segment: */
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PROVIDE (__executable_start = 0x120000000); . = 0x120000000 + SIZEOF_HEADERS;
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.MIPS.options : { *(.MIPS.options) }
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.note.gnu.build-id : { *(.note.gnu.build-id) }
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.dynamic : { *(.dynamic) }
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.hash : { *(.hash) }
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.gnu.hash : { *(.gnu.hash) }
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.dynsym : { *(.dynsym) }
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.dynstr : { *(.dynstr) }
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.gnu.version : { *(.gnu.version) }
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.gnu.version_d : { *(.gnu.version_d) }
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.gnu.version_r : { *(.gnu.version_r) }
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.rel.init : { *(.rel.init) }
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.rela.init : { *(.rela.init) }
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.rel.text : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) }
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.rela.text : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) }
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.rel.fini : { *(.rel.fini) }
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.rela.fini : { *(.rela.fini) }
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.rel.rodata : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) }
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.rela.rodata : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) }
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.rel.data.rel.ro : { *(.rel.data.rel.ro* .rel.gnu.linkonce.d.rel.ro.*) }
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.rela.data.rel.ro : { *(.rela.data.rel.ro* .rela.gnu.linkonce.d.rel.ro.*) }
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.rel.data : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) }
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.rela.data : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) }
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.rel.tdata : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) }
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.rela.tdata : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) }
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.rel.tbss : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) }
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.rela.tbss : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) }
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.rel.ctors : { *(.rel.ctors) }
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.rela.ctors : { *(.rela.ctors) }
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.rel.dtors : { *(.rel.dtors) }
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.rela.dtors : { *(.rela.dtors) }
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.rel.got : { *(.rel.got) }
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.rela.got : { *(.rela.got) }
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.rel.dyn : { *(.rel.dyn) }
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.rel.sdata : { *(.rel.sdata .rel.sdata.* .rel.gnu.linkonce.s.*) }
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.rela.sdata : { *(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*) }
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.rel.sbss : { *(.rel.sbss .rel.sbss.* .rel.gnu.linkonce.sb.*) }
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.rela.sbss : { *(.rela.sbss .rela.sbss.* .rela.gnu.linkonce.sb.*) }
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.rel.sdata2 : { *(.rel.sdata2 .rel.sdata2.* .rel.gnu.linkonce.s2.*) }
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.rela.sdata2 : { *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*) }
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.rel.sbss2 : { *(.rel.sbss2 .rel.sbss2.* .rel.gnu.linkonce.sb2.*) }
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.rela.sbss2 : { *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*) }
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.rel.bss : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) }
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.rela.bss : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) }
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.rel.plt : { *(.rel.plt) }
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.rela.plt : { *(.rela.plt) }
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.init :
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{
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KEEP (*(.init))
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} =0
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.plt : { *(.plt) }
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.text :
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{
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_ftext = . ;
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*(.text .stub .text.* .gnu.linkonce.t.*)
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/* .gnu.warning sections are handled specially by elf32.em. */
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*(.gnu.warning)
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*(.mips16.fn.*) *(.mips16.call.*)
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} =0
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.fini :
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{
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KEEP (*(.fini))
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} =0
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PROVIDE (__etext = .);
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PROVIDE (_etext = .);
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PROVIDE (etext = .);
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.rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
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.rodata1 : { *(.rodata1) }
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.sdata2 :
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{
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*(.sdata2 .sdata2.* .gnu.linkonce.s2.*)
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}
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.sbss2 : { *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) }
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.eh_frame_hdr : { *(.eh_frame_hdr) }
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.eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) }
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.gcc_except_table : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) }
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/* Adjust the address for the data segment. We want to adjust up to
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the same address within the page on the next page up. */
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. = ALIGN (CONSTANT (MAXPAGESIZE)) - ((CONSTANT (MAXPAGESIZE) - .) & (CONSTANT (MAXPAGESIZE) - 1)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
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/* Exception handling */
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.eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) }
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.gcc_except_table : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
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/* Thread Local Storage sections */
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.tdata : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
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.tbss : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
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.preinit_array :
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{
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PROVIDE_HIDDEN (__preinit_array_start = .);
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KEEP (*(.preinit_array))
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PROVIDE_HIDDEN (__preinit_array_end = .);
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}
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.init_array :
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{
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PROVIDE_HIDDEN (__init_array_start = .);
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KEEP (*(SORT(.init_array.*)))
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KEEP (*(.init_array))
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PROVIDE_HIDDEN (__init_array_end = .);
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}
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.fini_array :
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{
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PROVIDE_HIDDEN (__fini_array_start = .);
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KEEP (*(.fini_array))
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KEEP (*(SORT(.fini_array.*)))
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PROVIDE_HIDDEN (__fini_array_end = .);
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}
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.ctors :
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||
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{
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||
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/* gcc uses crtbegin.o to find the start of
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the constructors, so we make sure it is
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first. Because this is a wildcard, it
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doesn't matter if the user does not
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actually link against crtbegin.o; the
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linker won't look for a file to match a
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wildcard. The wildcard also means that it
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doesn't matter which directory crtbegin.o
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is in. */
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KEEP (*crtbegin.o(.ctors))
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KEEP (*crtbegin?.o(.ctors))
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/* We don't want to include the .ctor section from
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the crtend.o file until after the sorted ctors.
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The .ctor section from the crtend file contains the
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end of ctors marker and it must be last */
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KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
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KEEP (*(SORT(.ctors.*)))
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KEEP (*(.ctors))
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}
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.dtors :
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{
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KEEP (*crtbegin.o(.dtors))
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KEEP (*crtbegin?.o(.dtors))
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KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
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KEEP (*(SORT(.dtors.*)))
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KEEP (*(.dtors))
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}
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.jcr : { KEEP (*(.jcr)) }
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.data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) }
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. = DATA_SEGMENT_RELRO_END (0, .);
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.data :
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{
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_fdata = . ;
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*(.data .data.* .gnu.linkonce.d.*)
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SORT(CONSTRUCTORS)
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}
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.data1 : { *(.data1) }
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.got.plt : { *(.got.plt) }
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. = .;
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_gp = ALIGN(16) + 0x7ff0;
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.got : { *(.got) }
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/* We want the small data sections together, so single-instruction offsets
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can access them all, and initialized data all before uninitialized, so
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we can shorten the on-disk segment size. */
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.sdata :
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{
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*(.sdata .sdata.* .gnu.linkonce.s.*)
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}
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.lit8 : { *(.lit8) }
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.lit4 : { *(.lit4) }
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.srdata : { *(.srdata) }
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. = ALIGN (0x10000);
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__cvmx_shared_start = .;
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.cvmx_shared : {*(.cvmx_shared .cvmx_shared.linkonce.*)}
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.cvmx_shared_bss : { *(.cvmx_shared_bss .cvmx_shared_bss.linkonce.*) }
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. = ALIGN (0x10000);
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__cvmx_shared_end = .;
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_edata = .; PROVIDE (edata = .);
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__bss_start = .;
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_fbss = .;
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.sbss :
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{
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PROVIDE (__sbss_start = .);
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PROVIDE (___sbss_start = .);
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*(.dynsbss)
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*(.sbss .sbss.* .gnu.linkonce.sb.*)
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*(.scommon)
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PROVIDE (__sbss_end = .);
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PROVIDE (___sbss_end = .);
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}
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.bss :
|
||
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{
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||
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*(.dynbss)
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||
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*(.bss .bss.* .gnu.linkonce.b.*)
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*(COMMON)
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/* Align here to ensure that the .bss section occupies space up to
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_end. Align after .bss to ensure correct alignment even if the
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.bss section disappears because there are no input sections.
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FIXME: Why do we need it? When there is no .bss section, we don't
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pad the .data section. */
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. = ALIGN(. != 0 ? 64 / 8 : 1);
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}
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. = ALIGN(64 / 8);
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. = ALIGN(32M); /* RBF added alignment of data */
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.cvmx_shared : { *(.cvmx_shared) }
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_end = .; PROVIDE (end = .);
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. = DATA_SEGMENT_END (.);
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/* Stabs debugging sections. */
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||
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.stab 0 : { *(.stab) }
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.stabstr 0 : { *(.stabstr) }
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.stab.excl 0 : { *(.stab.excl) }
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||
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.stab.exclstr 0 : { *(.stab.exclstr) }
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.stab.index 0 : { *(.stab.index) }
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.stab.indexstr 0 : { *(.stab.indexstr) }
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.comment 0 : { *(.comment) }
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/* DWARF debug sections.
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Symbols in the DWARF debugging sections are relative to the beginning
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of the section so we begin them at 0. */
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/* DWARF 1 */
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.debug 0 : { *(.debug) }
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.line 0 : { *(.line) }
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/* GNU DWARF 1 extensions */
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.debug_srcinfo 0 : { *(.debug_srcinfo) }
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.debug_sfnames 0 : { *(.debug_sfnames) }
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/* DWARF 1.1 and DWARF 2 */
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.debug_aranges 0 : { *(.debug_aranges) }
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.debug_pubnames 0 : { *(.debug_pubnames) }
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/* DWARF 2 */
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.debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
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.debug_abbrev 0 : { *(.debug_abbrev) }
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.debug_line 0 : { *(.debug_line) }
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.debug_frame 0 : { *(.debug_frame) }
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.debug_str 0 : { *(.debug_str) }
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.debug_loc 0 : { *(.debug_loc) }
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.debug_macinfo 0 : { *(.debug_macinfo) }
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/* SGI/MIPS DWARF 2 extensions */
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.debug_weaknames 0 : { *(.debug_weaknames) }
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.debug_funcnames 0 : { *(.debug_funcnames) }
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.debug_typenames 0 : { *(.debug_typenames) }
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.debug_varnames 0 : { *(.debug_varnames) }
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/* DWARF 3 */
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.debug_pubtypes 0 : { *(.debug_pubtypes) }
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.debug_ranges 0 : { *(.debug_ranges) }
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||
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.gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
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.gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }
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.gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }
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||
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/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) }
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||
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}
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