25eb09c3bb
replace *(.init_array .init_array.*) with KEEP(*(.init_array .init_array.*)). The KEEP statement within a linker script will instruct the linker to keep the specified section, even if no symbols inside it are referenced. This statement is used within the SECTIONS section of the linker script. This becomes relevant when garbage collection is performed at link time, enabled by passing the --gc-sections switch to the linker. The KEEP statement instructs the linker to use the specified section as a root node when creating a dependency graph, looking for unused sections. Essentially forcing the section to be marked as used. Signed-off-by: cuiziwei <cuiziwei@xiaomi.com>
132 lines
3.7 KiB
Plaintext
132 lines
3.7 KiB
Plaintext
/****************************************************************************
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* boards/arm/sama5/sama5d3x-ek/scripts/nor-ddram.ld
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/* The SAMA5D3x-EK has 128MB of NOR flash at CS0 (0x1000:0000). In this
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* configuration, the .text and a copy of the .data section will be loaded
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* into NOR flash. NuttX .data, .bss, the IDLE stack, and the primary
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* heap will be allocated in SRAM. The SAMA5D3 has 128 KB of ISRAM beginning
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* at virtual address 0x0030:0000.
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*
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* The SAMA5D3 has 128 KB of ISRAM beginning at virtual address 0x0030:0000
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* And 256Mb of SDRAm at address 0x2000:0000. This script assumes ISRAM used
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* only for the page table. All variables are retained in SDRAM.
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*
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* Vectors in low memory are assumed to reside at the beginning of NOR flash.
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*/
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MEMORY
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{
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norflash (W!RX) : ORIGIN = 0x10000000, LENGTH = 128M
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isram (WR) : ORIGIN = 0x00304000, LENGTH = 128K - 16K
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sdram (W!RX) : ORIGIN = 0x20000000, LENGTH = 256K
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}
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ENTRY(entry)
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ENTRY(_stext)
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SECTIONS
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{
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.text :
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{
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_stext = ABSOLUTE(.);
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*(.vectors)
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*(.text .text.*)
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*(.fixup)
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*(.gnu.warning)
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*(.rodata .rodata.*)
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*(.gnu.linkonce.t.*)
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*(.glue_7)
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*(.glue_7t)
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*(.got)
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*(.gcc_except_table)
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*(.gnu.linkonce.r.*)
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*(.ARM.extab*)
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*(.gnu.linkonce.armextab.*)
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_etext = ABSOLUTE(.);
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} > norflash
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.init_section :
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{
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_sinit = ABSOLUTE(.);
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KEEP(*(.init_array .init_array.*))
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_einit = ABSOLUTE(.);
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} > norflash
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.ARM.extab :
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{
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*(.ARM.extab*)
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} > norflash
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/* .ARM.exidx is sorted, so has to go in its own output section. */
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PROVIDE_HIDDEN (__exidx_start = .);
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.ARM.exidx :
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{
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*(.ARM.exidx* .gnu.linkonce.armexidx.*)
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} > norflash
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PROVIDE_HIDDEN (__exidx_end = .);
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.data :
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{
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_sdata = ABSOLUTE(.);
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*(.data .data.*)
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*(.gnu.linkonce.d.*)
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CONSTRUCTORS
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. = ALIGN(4);
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_edata = ABSOLUTE(.);
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} > sdram AT > norflash
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_eronly = LOADADDR(.data);
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.bss :
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{
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_sbss = ABSOLUTE(.);
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*(.bss .bss.*)
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*(.gnu.linkonce.b.*)
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*(COMMON)
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. = ALIGN(4);
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_ebss = ABSOLUTE(.);
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} > sdram
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/* Uninitialized data */
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.noinit :
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{
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_snoinit = ABSOLUTE(.);
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*(.noinit*)
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_enoinit = ABSOLUTE(.);
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} > sdram
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/* Stabs debugging sections. */
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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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.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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.debug_abbrev 0 : { *(.debug_abbrev) }
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.debug_info 0 : { *(.debug_info) }
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.debug_line 0 : { *(.debug_line) }
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.debug_pubnames 0 : { *(.debug_pubnames) }
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.debug_aranges 0 : { *(.debug_aranges) }
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}
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