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use -ffunction-sections / --gc-sections on IXP42x 

Signed-off-by: Michael Schwingen <michael@schwingen.org>
This commit is contained in:
Michael Schwingen 2011-05-23 00:00:03 +02:00 committed by Albert ARIBAUD
parent 363613a08d
commit 66463e60df
2 changed files with 9 additions and 4 deletions
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5
arch/arm/cpu/ixp/config.mk
View File

@ -27,6 +27,11 @@ BIG_ENDIAN = y
PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float -mbig-endian PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float -mbig-endian
PLATFORM_CPPFLAGS += -mbig-endian -march=armv5te -mtune=strongarm1100 PLATFORM_CPPFLAGS += -mbig-endian -march=armv5te -mtune=strongarm1100
# -fdata-sections triggers "section .bss overlaps section .rel.dyn" linker error
PLATFORM_RELFLAGS += -ffunction-sections
LDFLAGS_u-boot += --gc-sections
# ========================================================================= # =========================================================================
# #
# Supply options according to compiler version # Supply options according to compiler version

8
arch/arm/cpu/ixp/u-boot.lds
View File

@ -31,8 +31,8 @@ SECTIONS
. = ALIGN(4); . = ALIGN(4);
.text : .text :
{ {
arch/arm/cpu/ixp/start.o(.text) arch/arm/cpu/ixp/start.o(.text*)
*(.text) *(.text*)
} }
. = ALIGN(4); . = ALIGN(4);
@ -40,7 +40,7 @@ SECTIONS
. = ALIGN(4); . = ALIGN(4);
.data : { .data : {
*(.data) *(.data*)
} }
. = ALIGN(4); . = ALIGN(4);
@ -67,7 +67,7 @@ SECTIONS
.bss __rel_dyn_start (OVERLAY) : { .bss __rel_dyn_start (OVERLAY) : {
__bss_start = .; __bss_start = .;
*(.bss) *(.bss*)
. = ALIGN(4); . = ALIGN(4);
__bss_end__ = .; __bss_end__ = .;
} }