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AVR32: Build position-independent u-boot

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Add -fPIC -mno-init-got to the avr32-specific CFLAGS to make u-boot
position independent. This will make relocation a lot easier.

-mno-init-got means that gcc shouldn't emit code to load the GOT
address into r6 in every function prologue. We do it once and for
all in the early startup assembly code, so enabling this option
makes u-boot a bit faster and smaller.

The assembly parts have always been position-independent, so no code
changes should be necessary.

Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
This commit is contained in:
Haavard Skinnemoen 2006-11-18 17:32:31 +01:00
parent 5374b36de9
commit 28c699ef69
1 changed files with 1 additions and 1 deletions
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2
avr32_config.mk
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@ -21,5 +21,5 @@
# MA 02111-1307 USA
#
PLATFORM_RELFLAGS += -ffixed-r5 -mno-pic -mrelax
PLATFORM_RELFLAGS += -ffixed-r5 -fPIC -mno-init-got -mrelax
PLATFORM_LDFLAGS += --relax