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AVR Linker: Allow the start of the data region to specified on the command line.

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PR 29471
	* scripttempl/avr.sc (__DATA_REGION_ORIGIN__): Define.  If a value
	has not been provided on the command line then use DATA_ORIGIN.
	(MEMORY): Use __DATA_REGION_ORIGIN__ as the start of the data region.
This commit is contained in:
Nick Clifton 2022-11-03 09:17:41 +00:00
parent a1af8f405c
commit fa6895ad35
2 changed files with 10 additions and 1 deletions
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7
ld/ChangeLog
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@ -1,3 +1,10 @@
2022-11-03 Nick Clifton <nickc@redhat.com>
PR 29471
* scripttempl/avr.sc (__DATA_REGION_ORIGIN__): Define. If a value
has not been provided on the command line then use DATA_ORIGIN.
(MEMORY): Use __DATA_REGION_ORIGIN__ as the start of the data region.
2022-10-21 Nick Clifton <nickc@redhat.com>
PR 29654

4
ld/scripttempl/avr.sc
View file

@ -28,7 +28,9 @@ EOF
test -n "${RELOCATING}" && cat <<EOF
__TEXT_REGION_LENGTH__ = DEFINED(__TEXT_REGION_LENGTH__) ? __TEXT_REGION_LENGTH__ : $TEXT_LENGTH;
__DATA_REGION_ORIGIN__ = DEFINED(__DATA_REGION_ORIGIN__) ? __DATA_REGION_ORIGIN__ : $DATA_ORIGIN;
__DATA_REGION_LENGTH__ = DEFINED(__DATA_REGION_LENGTH__) ? __DATA_REGION_LENGTH__ : $DATA_LENGTH;
${EEPROM_LENGTH+__EEPROM_REGION_LENGTH__ = DEFINED(__EEPROM_REGION_LENGTH__) ? __EEPROM_REGION_LENGTH__ : $EEPROM_LENGTH;}
__FUSE_REGION_LENGTH__ = DEFINED(__FUSE_REGION_LENGTH__) ? __FUSE_REGION_LENGTH__ : $FUSE_LENGTH;
__LOCK_REGION_LENGTH__ = DEFINED(__LOCK_REGION_LENGTH__) ? __LOCK_REGION_LENGTH__ : $LOCK_LENGTH;
@ -38,7 +40,7 @@ ${RODATA_PM_OFFSET+__RODATA_PM_OFFSET__ = DEFINED(__RODATA_PM_OFFSET__) ? __RODA
MEMORY
{
text (rx) : ORIGIN = 0, LENGTH = __TEXT_REGION_LENGTH__
data (rw!x) : ORIGIN = $DATA_ORIGIN, LENGTH = __DATA_REGION_LENGTH__
data (rw!x) : ORIGIN = __DATA_REGION_ORIGIN__, LENGTH = __DATA_REGION_LENGTH__
${EEPROM_LENGTH+ eeprom (rw!x) : ORIGIN = 0x810000, LENGTH = __EEPROM_REGION_LENGTH__}
$FUSE_NAME (rw!x) : ORIGIN = 0x820000, LENGTH = __FUSE_REGION_LENGTH__
lock (rw!x) : ORIGIN = 0x830000, LENGTH = __LOCK_REGION_LENGTH__