From: Michael Schwingen <michael@schwingen.org>
Date: Sun, 22 May 2011 22:00:03 +0000 (+0200)
Subject: use -ffunction-sections / --gc-sections on IXP42x
X-Git-Tag: v2011.06~5^2~10
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=66463e60dff59716eb323cc1e219189c0fd8671c;p=oweals%2Fu-boot.git

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

Signed-off-by: Michael Schwingen <michael@schwingen.org>
---

diff --git a/arch/arm/cpu/ixp/config.mk b/arch/arm/cpu/ixp/config.mk
index deca3f4d55..5868cba38b 100644
--- a/arch/arm/cpu/ixp/config.mk
+++ b/arch/arm/cpu/ixp/config.mk
@@ -27,6 +27,11 @@ BIG_ENDIAN = y
 PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float -mbig-endian
 
 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
diff --git a/arch/arm/cpu/ixp/u-boot.lds b/arch/arm/cpu/ixp/u-boot.lds
index 3587f8aa6b..7199de4af1 100644
--- a/arch/arm/cpu/ixp/u-boot.lds
+++ b/arch/arm/cpu/ixp/u-boot.lds
@@ -31,8 +31,8 @@ SECTIONS
 	. = ALIGN(4);
 	.text :
 	{
-		arch/arm/cpu/ixp/start.o(.text)
-		*(.text)
+		arch/arm/cpu/ixp/start.o(.text*)
+		*(.text*)
 	}
 
 	. = ALIGN(4);
@@ -40,7 +40,7 @@ SECTIONS
 
 	. = ALIGN(4);
 	.data : {
-		*(.data)
+		*(.data*)
 	}
 
 	. = ALIGN(4);
@@ -67,7 +67,7 @@ SECTIONS
 
 	.bss __rel_dyn_start (OVERLAY) : {
 		__bss_start = .;
-		*(.bss)
+		*(.bss*)
 		 . = ALIGN(4);
 		__bss_end__ = .;
 	}