rt-thread-official/libcpu/aarch64/link.lds.S

192 lines
4.9 KiB
ArmAsm

/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Date Author Notes
* 2017-5-30 bernard first version
*/
#include "rtconfig.h"
OUTPUT_FORMAT("elf64-littleaarch64", "elf64-littleaarch64", "elf64-littleaarch64")
OUTPUT_ARCH(aarch64)
#ifndef ARCH_TEXT_OFFSET
#define ARCH_TEXT_OFFSET 0x200000 /* We always boot in address where is 2MB aligned */
#endif
#ifndef ARCH_RAM_OFFSET
#define ARCH_RAM_OFFSET 0
#endif
SECTIONS
{
_text_offset = ARCH_TEXT_OFFSET;
#ifdef RT_USING_SMART
. = KERNEL_VADDR_START + _text_offset;
#else
. = ARCH_RAM_OFFSET + _text_offset;
#endif
.text :
{
PROVIDE(__text_start = .);
KEEP(*(.text.entrypoint)) /* The entry point */
*(.vectors)
*(.text) /* remaining code */
*(.text.*) /* remaining code */
*(.rodata) /* read-only data (constants) */
*(.rodata*)
*(.glue_7)
*(.glue_7t)
*(.gnu.linkonce.t*)
/* section information for utest */
. = ALIGN(8);
PROVIDE(__rt_utest_tc_tab_start = .);
KEEP(*(UtestTcTab))
PROVIDE(__rt_utest_tc_tab_end = .);
/* section information for finsh shell */
. = ALIGN(8);
PROVIDE(__fsymtab_start = .);
KEEP(*(FSymTab))
PROVIDE(__fsymtab_end = .);
. = ALIGN(8);
PROVIDE(__vsymtab_start = .);
KEEP(*(VSymTab))
PROVIDE(__vsymtab_end = .);
. = ALIGN(8);
/* section information for modules */
. = ALIGN(8);
PROVIDE(__rtmsymtab_start = .);
KEEP(*(RTMSymTab))
PROVIDE(__rtmsymtab_end = .);
/* section information for initialization */
. = ALIGN(8);
PROVIDE(__rt_init_start = .);
KEEP(*(SORT(.rti_fn*)))
PROVIDE(__rt_init_end = .);
/* section information for rt_ofw. */
. = ALIGN(16);
PROVIDE(__rt_ofw_data_start = .);
KEEP(*(SORT(.rt_ofw_data.*)))
PROVIDE(__rt_ofw_data_end = .);
. = ALIGN(16);
PROVIDE(__text_end = .);
}
.eh_frame_hdr :
{
*(.eh_frame_hdr)
*(.eh_frame_entry)
}
.eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) }
. = ALIGN(8);
.data :
{
*(.data)
*(.data.*)
*(.data1)
*(.data1.*)
. = ALIGN(16);
_gp = ABSOLUTE(.); /* Base of small data */
*(.sdata)
*(.sdata.*)
*(.rel.local)
}
. = ALIGN(8);
.ctors :
{
PROVIDE(__ctors_start = .);
/* new GCC version uses .init_array */
KEEP(*(SORT(.init_array.*)))
KEEP(*(.init_array))
PROVIDE(__ctors_end = .);
}
.dtors :
{
PROVIDE(__dtors_start = .);
KEEP(*(SORT(.dtors.*)))
KEEP(*(.dtors))
PROVIDE(__dtors_end = .);
}
. = ALIGN(16);
.bss :
{
/*
* We need some free space to page or cpu stack, move .bss.noclean.*
* to optimize size.
*/
PROVIDE(__bss_noclean_start = .);
*(.bss.noclean.*)
PROVIDE(__bss_noclean_end = .);
. = ALIGN(8);
PROVIDE(__bss_start = .);
*(.bss)
*(.bss.*)
*(.dynbss)
*(COMMON)
. = ALIGN(8);
PROVIDE(__bss_end = .);
}
/*
* We should make the bootloader know the size of memory we need,
* so we MUST calc the image's size with section '.bss'.
*/
_end = .;
/* Stabs debugging sections. */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
.stab.excl 0 : { *(.stab.excl) }
.stab.exclstr 0 : { *(.stab.exclstr) }
.stab.index 0 : { *(.stab.index) }
.stab.indexstr 0 : { *(.stab.indexstr) }
.comment 0 : { *(.comment) }
/* DWARF debug sections.
* Symbols in the DWARF debugging sections are relative to the beginning
* of the section so we begin them at 0. */
/* DWARF 1 */
.debug 0 : { *(.debug) }
.line 0 : { *(.line) }
/* GNU DWARF 1 extensions */
.debug_srcinfo 0 : { *(.debug_srcinfo) }
.debug_sfnames 0 : { *(.debug_sfnames) }
/* DWARF 1.1 and DWARF 2 */
.debug_aranges 0 : { *(.debug_aranges) }
.debug_pubnames 0 : { *(.debug_pubnames) }
/* DWARF 2 */
.debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
.debug_abbrev 0 : { *(.debug_abbrev) }
.debug_line 0 : { *(.debug_line) }
.debug_frame 0 : { *(.debug_frame) }
.debug_str 0 : { *(.debug_str) }
.debug_loc 0 : { *(.debug_loc) }
.debug_macinfo 0 : { *(.debug_macinfo) }
/* SGI/MIPS DWARF 2 extensions */
.debug_weaknames 0 : { *(.debug_weaknames) }
.debug_funcnames 0 : { *(.debug_funcnames) }
.debug_typenames 0 : { *(.debug_typenames) }
.debug_varnames 0 : { *(.debug_varnames) }
__data_size = SIZEOF(.data);
__bss_size = SIZEOF(.bss);
}