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

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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>
This commit is contained in:
Russell King (Oracle) 2022-02-11 19:49:50 +00:00
parent 04e91b7324
commit 8d9d651ff2
1 changed files with 12 additions and 7 deletions
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19
arch/arm/include/asm/vmlinux.lds.h
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@ -26,6 +26,11 @@
#define ARM_MMU_DISCARD(x) x
#endif
/* 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); \
__proc_info_begin = .; \
@ -110,19 +115,19 @@
* only thing that matters is their relative offsets
*/
#define ARM_VECTORS \
__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));