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ARM: use LOADADDR() to get load address of sections

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commit 8d9d651ff2 upstream.

Use the linker's LOADADDR() macro to get the load address of the
sections, and provide a macro to set the start and end symbols.

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Russell King (Oracle)
2022-02-11 19:49:50 +00:00
committed by Greg Kroah-Hartman
parent dfea991212
commit 964aafb29a
2 changed files with 24 additions and 14 deletions
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19
arch/arm/kernel/vmlinux-xip.lds.S
View File

@@ -12,6 +12,11 @@
#include <asm/memory.h>
#include <asm/page.h>
/* Set start/end symbol names to the LMA for the section */
#define ARM_LMA(sym, section) \
sym##_start = LOADADDR(section); \
sym##_end = LOADADDR(section) + SIZEOF(section)
#define PROC_INFO \
. = ALIGN(4); \
VMLINUX_SYMBOL(__proc_info_begin) = .; \
@@ -148,19 +153,19 @@ SECTIONS
* The vectors and stubs are relocatable code, and the
* only thing that matters is their relative offsets
*/
__vectors_start = .;
__vectors_lma = .;
.vectors 0xffff0000 : AT(__vectors_start) {
*(.vectors)
}
. = __vectors_start + SIZEOF(.vectors);
__vectors_end = .;
ARM_LMA(__vectors, .vectors);
. = __vectors_lma + SIZEOF(.vectors);
__stubs_start = .;
.stubs ADDR(.vectors) + 0x1000 : AT(__stubs_start) {
__stubs_lma = .;
.stubs ADDR(.vectors) + 0x1000 : AT(__stubs_lma) {
*(.stubs)
}
. = __stubs_start + SIZEOF(.stubs);
__stubs_end = .;
ARM_LMA(__stubs, .stubs);
. = __stubs_lma + SIZEOF(.stubs);
PROVIDE(vector_fiq_offset = vector_fiq - ADDR(.vectors));

19
arch/arm/kernel/vmlinux.lds.S
View File

@@ -14,6 +14,11 @@
#include <asm/page.h>
#include <asm/pgtable.h>
/* Set start/end symbol names to the LMA for the section */
#define ARM_LMA(sym, section) \
sym##_start = LOADADDR(section); \
sym##_end = LOADADDR(section) + SIZEOF(section)
#define PROC_INFO \
. = ALIGN(4); \
VMLINUX_SYMBOL(__proc_info_begin) = .; \
@@ -169,19 +174,19 @@ SECTIONS
* The vectors and stubs are relocatable code, and the
* only thing that matters is their relative offsets
*/
__vectors_start = .;
__vectors_lma = .;
.vectors 0xffff0000 : AT(__vectors_start) {
*(.vectors)
}
. = __vectors_start + SIZEOF(.vectors);
__vectors_end = .;
ARM_LMA(__vectors, .vectors);
. = __vectors_lma + SIZEOF(.vectors);
__stubs_start = .;
.stubs ADDR(.vectors) + 0x1000 : AT(__stubs_start) {
__stubs_lma = .;
.stubs ADDR(.vectors) + 0x1000 : AT(__stubs_lma) {
*(.stubs)
}
. = __stubs_start + SIZEOF(.stubs);
__stubs_end = .;
ARM_LMA(__stubs, .stubs);
. = __stubs_lma + SIZEOF(.stubs);
PROVIDE(vector_fiq_offset = vector_fiq - ADDR(.vectors));