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ARM: linker script: factor out vectors and stubs 

Signed-off-by: Nicolas Pitre <nico@linaro.org>
Tested-by: Chris Brandt <Chris.Brandt@renesas.com>
This commit is contained in:
Nicolas Pitre 2018-03-01 22:17:03 -05:00
parent d9a46e6e71
commit 9147095896
3 changed files with 23 additions and 40 deletions
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21
arch/arm/kernel/vmlinux-xip.lds.S
View File

@ -73,26 +73,7 @@ SECTIONS
_etext = .; /* End of text and rodata section */
/*
* The vectors and stubs are relocatable code, and the
* only thing that matters is their relative offsets
*/
__vectors_start = .;
.vectors 0xffff0000 : AT(__vectors_start) {
*(.vectors)
}
. = __vectors_start + SIZEOF(.vectors);
__vectors_end = .;
__stubs_start = .;
.stubs ADDR(.vectors) + 0x1000 : AT(__stubs_start) {
*(.stubs)
}
. = __stubs_start + SIZEOF(.stubs);
__stubs_end = .;
PROVIDE(vector_fiq_offset = vector_fiq - ADDR(.vectors));
ARM_VECTORS
INIT_TEXT_SECTION(8)
.exit.text : {
ARM_EXIT_KEEP(EXIT_TEXT)

21
arch/arm/kernel/vmlinux.lds.S
View File

@ -86,26 +86,7 @@ SECTIONS
#endif
__init_begin = .;
/*
* The vectors and stubs are relocatable code, and the
* only thing that matters is their relative offsets
*/
__vectors_start = .;
.vectors 0xffff0000 : AT(__vectors_start) {
*(.vectors)
}
. = __vectors_start + SIZEOF(.vectors);
__vectors_end = .;
__stubs_start = .;
.stubs ADDR(.vectors) + 0x1000 : AT(__stubs_start) {
*(.stubs)
}
. = __stubs_start + SIZEOF(.stubs);
__stubs_end = .;
PROVIDE(vector_fiq_offset = vector_fiq - ADDR(.vectors));
ARM_VECTORS
INIT_TEXT_SECTION(8)
.exit.text : {
ARM_EXIT_KEEP(EXIT_TEXT)

21
arch/arm/kernel/vmlinux.lds.h
View File

@ -92,3 +92,24 @@
*(.ARM.extab*) \
__stop_unwind_tab = .; \
}
/*
* The vectors and stubs are relocatable code, and the
* only thing that matters is their relative offsets
*/
#define ARM_VECTORS \
__vectors_start = .; \
.vectors 0xffff0000 : AT(__vectors_start) { \
*(.vectors) \
} \
. = __vectors_start + SIZEOF(.vectors); \
__vectors_end = .; \
\
__stubs_start = .; \
.stubs ADDR(.vectors) + 0x1000 : AT(__stubs_start) { \
*(.stubs) \
} \
. = __stubs_start + SIZEOF(.stubs); \
__stubs_end = .; \
\
PROVIDE(vector_fiq_offset = vector_fiq - ADDR(.vectors));