source: bootcd/isolinux/syslinux-6.03/efi/x86_64/syslinux.ld

/* -----------------------------------------------------------------------
 *   
 *   Copyright 2008-2009 H. Peter Anvin - All Rights Reserved
 *   Copyright 2009 Intel Corporation; author: H. Peter Anvin
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
 *   Boston MA 02110-1301, USA; either version 2 of the License, or
 *   (at your option) any later version; incorporated herein by reference.
 *
 * ----------------------------------------------------------------------- */

/*
 * Linker script for the SYSLINUX core
 */

OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64", "elf64-x86-64")
OUTPUT_ARCH(i386:x86-64)
ENTRY(_start)

SECTIONS
{
        . = 0;
        ImageBase = .;          /* For gnu-efi's crt0 */
        __module_start = .;
        . = SEGMENT_START("text-segment", 0) + SIZEOF_HEADERS;
        .text : {
                FILL(0x90909090)
                __text_start = .;
                *(.text)
                *(.text.*)
                __text_end = .;
        }

        . = ALIGN(16);

        .rodata : {
                __rodata_start = .;
                *(.rodata)
                *(.rodata.*)
                __rodata_end = .;
        }

        . = ALIGN(4);

        .ctors : {
                __ctors_start = .;
                KEEP (*(SORT(.ctors.*)))
                KEEP (*(.ctors))
                __ctors_end = .;
        }

        .dtors : {
                __dtors_start = .;
                KEEP (*(SORT(.dtors.*)))
                KEEP (*(.dtors))
                __dtors_end = .;
        }

        . = ALIGN(4096);
        .rel : {
                *(.rel.got)
                *(.rel.data)
                *(.rel.data.*)
                *(.rel.ctors)
        }

        . = ALIGN(4);

        .gnu.hash : {
                __gnu_hash_start = .;
                *(.gnu.hash)
                __gnu_hash_end = .;
        }


        .dynsym : {
                __dynsym_start = .;
                *(.dynsym)
                __dynsym_end = .;
        }

        . = ALIGN(4);

        .dynstr : {
                __dynstr_start = .;
                *(.dynstr)
                __dynstr_end = .;
        }

        . = ALIGN(4);

        .dynlink : {
                __dynlink_start = .;
                *(.dynlink)
                __dynlink_end = .;
        }

        . = ALIGN(4);

        .got : {
                __got_start = .;
                KEEP (*(.got.plt))
                KEEP (*(.got))
                __got_end = .;
        }

        . = ALIGN(4);

        .dynamic : {
                __dynamic_start = .;
                *(.dynamic)
                __dynamic_end = .;
        }

        . = ALIGN(16);

        .data : {
                __data_start = .;
                *(.data)
                *(.data.*)
                *(.lowmem)
                __data_end = .;
        }

        .reloc : {
                *(.reloc)
        }

        .symtab : {
                *(.symtab)
        }

        .strtab : {
                *(.strtab)
        }

        .bss (NOLOAD) : {
                /* the EFI loader doesn't seem to like a .bss section,
                   so we stick it all into .data: */
                __bss_start = .;
                *(.bss)
                *(.bss.*)
                *(.bss16)
                *(.hugebss)
                *(COMMON)
                __bss_end = .;
                *(.sbss)
                *(.scommon)
        }
        __bss_len = ABSOLUTE(__bss_end) - ABSOLUTE(__bss_start);
        __bss_dwords = (__bss_len + 3) >> 2;

        . = ALIGN(128);

        /* Very large objects which don't need to be zeroed */

        .hugebss : {
                __hugebss_start = .;
                *(.hugebss)
                *(.hugebss.*)
                __hugebss_end = .;
        }

        _end = .;

        /* Stuff we don't need... */
        /DISCARD/ : {
                *(.eh_frame)
                *(.comment)
        }
}