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118 lines
2.8 KiB
Plaintext
118 lines
2.8 KiB
Plaintext
/*
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* Copyright (C) 2014 René Kijewski <rene.kijewski@fu-berlin.de>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/* The bootloader will look at this image and start execution at the symbol
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designated as the entry point. */
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ENTRY(_start)
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/* Tell where the various sections of the object files will be put in the final
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kernel image. */
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SECTIONS
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{
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/* Begin putting sections at 1 MiB, a conventional place for kernels to be
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loaded at by the bootloader. */
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. = 1M;
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_kernel_memory_start = .;
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/* First put the multiboot header, as it is required to be put very early
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early in the image or the bootloader won't recognize the file format.
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Next we'll put the .text section. */
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._multiboot_header :
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{
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*(._multiboot_header)
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}
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.note.gnu.build-id :
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{
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*(.note.gnu.build-id)
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}
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.text :
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{
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. = ALIGN(4);
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_section_text_start = .;
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*(.text)
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*(.text.*)
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*(.gnu.linkonce.t)
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*(.gnu.linkonce.t.*)
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_section_text_end = .;
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}
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. = ALIGN(0x1000);
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/* Read-only data. */
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.rodata :
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{
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_section_rodata_start = .;
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*(.rodata)
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*(.rodata.*)
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*(.gnu.linkonce.r)
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*(.gnu.linkonce.r.*)
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_section_rodata_end = .;
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}
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. = ALIGN(0x1000);
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/* Read-write data (initialized) */
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.data :
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{
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_section_data_start = .;
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*(.data)
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*(.data.*)
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*(.gnu.linkonce.d)
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*(.gnu.linkonce.d.*)
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. = ALIGN(4);
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_section_data_end = .;
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/* no need to align between .data and .bss */
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}
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/* Read-write data (uninitialized) and stack */
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.bss :
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{
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_section_bss_start = .;
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*(COMMON)
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*(COMMON.*)
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*(.bss)
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*(.bss.*)
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*(.gnu.linkonce.b)
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*(.gnu.linkonce.b.*)
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_section_bss_end = .;
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}
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. = ALIGN(0x1000);
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_kernel_memory_end = .;
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. += 0x1000;
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. = ALIGN(0x10000);
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_heap_start = .;
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/* The compiler may produce other sections, by default it will put them in
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a segment with the same name. Simply add stuff here as needed. */
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}
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