ARM: simplify generation of compressed vmlinux.lds file

As we are now using the C preprocessor, we do not need to use sed to
edit constants in this file, and then pass the resulting file through
the C preprocessor.  Instead, rely solely on the C preprocessor to
rewrite TEXT_START and BSS_ADDR.

Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff --git a/arch/arm/boot/compressed/.gitignore b/arch/arm/boot/compressed/.gitignore
index 6a26e7b..0714e03 100644 (file)
--- a/arch/arm/boot/compressed/.gitignore
+++ b/arch/arm/boot/compressed/.gitignore
@@ -10,7 +10,6 @@ piggy.xzkern
 piggy.lz4
 vmlinux
 vmlinux.lds
-vmlinux.lds.S
 
 # borrowed libfdt files
 fdt.c

diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index 8a80906..76a50ec 100644 (file)
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -81,7 +81,7 @@ ZTEXTADDR     := 0
 ZBSSADDR       := ALIGN(8)
 endif
 
-SEDFLAGS       = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/
+CPPFLAGS_vmlinux.lds := -DTEXT_START="$(ZTEXTADDR)" -DBSS_START="$(ZBSSADDR)"
 
 suffix_$(CONFIG_KERNEL_GZIP) = gzip
 suffix_$(CONFIG_KERNEL_LZO)  = lzo
@@ -114,7 +114,7 @@ targets       := vmlinux vmlinux.lds \
 # Make sure files are removed during clean
 extra-y       += piggy.gzip piggy.lzo piggy.lzma piggy.xzkern piggy.lz4 \
                 lib1funcs.S ashldi3.S bswapsdi2.S $(libfdt) $(libfdt_hdrs) \
-                hyp-stub.S vmlinux.lds.S
+                hyp-stub.S
 
 ifeq ($(CONFIG_FUNCTION_TRACER),y)
 ORIG_CFLAGS := $(KBUILD_CFLAGS)
@@ -199,8 +199,5 @@ CFLAGS_font.o := -Dstatic=
 $(obj)/font.c: $(FONTC)
        $(call cmd,shipped)
 
-$(obj)/vmlinux.lds.S: $(obj)/vmlinux.lds.in arch/arm/boot/Makefile $(KCONFIG_CONFIG)
-       @sed "$(SEDFLAGS)" < $< > $@
-
 $(obj)/hyp-stub.S: $(srctree)/arch/$(SRCARCH)/kernel/hyp-stub.S
        $(call cmd,shipped)

diff --git a/arch/arm/boot/compressed/vmlinux.lds.in b/arch/arm/boot/compressed/vmlinux.lds.S
similarity index 97%
rename from arch/arm/boot/compressed/vmlinux.lds.in
rename to arch/arm/boot/compressed/vmlinux.lds.S
index 6016223..2b60b84 100644 (file)
--- a/arch/arm/boot/compressed/vmlinux.lds.in
+++ b/arch/arm/boot/compressed/vmlinux.lds.S
@@ -1,6 +1,4 @@
 /*
- *  linux/arch/arm/boot/compressed/vmlinux.lds.in
- *
  *  Copyright (C) 2000 Russell King
  *
  * This program is free software; you can redistribute it and/or modify
@@ -87,4 +85,3 @@ SECTIONS
   .stab.indexstr 0     : { *(.stab.indexstr) }
   .comment 0           : { *(.comment) }
 }
-