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arm/boot: Handle all sections explicitly

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In preparation for warning on orphan sections, use common macros for
debug sections, discards, and text stubs. Add discards for unwanted .note,
and .rel sections.

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Russell King <linux@armlinux.org.uk>
Link: https://lore.kernel.org/r/20200821194310.3089815-21-keescook@chromium.org
This commit is contained in:
Kees Cook 2020-08-21 12:43:01 -07:00 committed by Ingo Molnar
parent 0c918e753f
commit 7e8c4ed263
1 changed files with 10 additions and 10 deletions
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20
arch/arm/boot/compressed/vmlinux.lds.S
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@ -2,6 +2,7 @@
/*
* Copyright (C) 2000 Russell King
*/
#include <asm/vmlinux.lds.h>
#ifdef CONFIG_CPU_ENDIAN_BE8
#define ZIMAGE_MAGIC(x) ( (((x) >> 24) & 0x000000ff) | \
@ -17,8 +18,11 @@ ENTRY(_start)
SECTIONS
{
/DISCARD/ : {
COMMON_DISCARDS
*(.ARM.exidx*)
*(.ARM.extab*)
*(.note.*)
*(.rel.*)
/*
* Discard any r/w data - this produces a link error if we have any,
* which is required for PIC decompression. Local data generates
@ -36,9 +40,7 @@ SECTIONS
*(.start)
*(.text)
*(.text.*)
*(.gnu.warning)
*(.glue_7t)
*(.glue_7)
ARM_STUBS_TEXT
}
.table : ALIGN(4) {
_table_start = .;
@ -128,12 +130,10 @@ SECTIONS
PROVIDE(__pecoff_data_size = ALIGN(512) - ADDR(.data));
PROVIDE(__pecoff_end = ALIGN(512));
.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) }
STABS_DEBUG
DWARF_DEBUG
ARM_DETAILS
ARM_ASSERTS
}
ASSERT(_edata_real == _edata, "error: zImage file size is incorrect");