kernel: when using --gc-sections, add --sort-section=name to get a more stable sortin...
authorFelix Fietkau <nbd@openwrt.org>
Wed, 6 Aug 2014 10:30:17 +0000 (10:30 +0000)
committerFelix Fietkau <nbd@openwrt.org>
Wed, 6 Aug 2014 10:30:17 +0000 (10:30 +0000)
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Backport of r41951

SVN-Revision: 42009

target/linux/generic/patches-3.10/220-gc_sections.patch
target/linux/generic/patches-3.10/302-mips_no_branch_likely.patch
target/linux/generic/patches-3.10/305-mips_module_reloc.patch

index cc40d8e5ffa9c448114f4778f07bba8be5269927..22f85ba74ff7093d18ce5cd913e66d7dafd9f761 100644 (file)
@@ -1,6 +1,6 @@
 From: Felix Fietkau <nbd@openwrt.org>
 
-use -ffunction-sections, -fdata-sections and --gc-sections
+use -ffunction-sections, -fdata-sections and --gc-sections --sort-section=name
 
 In combination with kernel symbol export stripping this significantly reduces
 the kernel image size. Used on both ARM and MIPS architectures.
@@ -17,7 +17,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
  cflags-y                      += -G 0 -mno-abicalls -fno-pic -pipe
  cflags-y                      += -msoft-float
 -LDFLAGS_vmlinux                       += -G 0 -static -n -nostdlib
-+LDFLAGS_vmlinux                       += -G 0 -static -n -nostdlib --gc-sections
++LDFLAGS_vmlinux                       += -G 0 -static -n -nostdlib --gc-sections --sort-section=name
  KBUILD_AFLAGS_MODULE          += -mlong-calls
  KBUILD_CFLAGS_MODULE          += -mlong-calls
  
@@ -423,7 +423,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
  ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
  LDFLAGS_vmlinux       += --be8
  endif
-+LDFLAGS_vmlinux += --gc-sections
++LDFLAGS_vmlinux += --gc-sections --sort-section=name
  
  OBJCOPYFLAGS  :=-O binary -R .comment -S
  GZFLAGS               :=-9
index 44c6b04fcf4d1f72044666e4f607adf4fbcdb8bf..19adcb800b92e84ff5ab467b7b05756c65842ae1 100644 (file)
@@ -7,5 +7,5 @@
 -cflags-y                      += -G 0 -mno-abicalls -fno-pic -pipe
 +cflags-y                      += -G 0 -mno-abicalls -fno-pic -pipe -mno-branch-likely
  cflags-y                      += -msoft-float
- LDFLAGS_vmlinux                       += -G 0 -static -n -nostdlib --gc-sections
+ LDFLAGS_vmlinux                       += -G 0 -static -n -nostdlib --gc-sections --sort-section=name
  KBUILD_AFLAGS_MODULE          += -mlong-calls
index d8cd0e59cf3dc6eab9b8295ef63ed5c7b18a3d79..0566eef161cd10aecb9387ff6c7d5504ffe1a96a 100644 (file)
@@ -3,7 +3,7 @@
 @@ -90,8 +90,13 @@ all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlin
  cflags-y                      += -G 0 -mno-abicalls -fno-pic -pipe -mno-branch-likely
  cflags-y                      += -msoft-float
- LDFLAGS_vmlinux                       += -G 0 -static -n -nostdlib --gc-sections
+ LDFLAGS_vmlinux                       += -G 0 -static -n -nostdlib --gc-sections --sort-section=name
 +ifdef CONFIG_64BIT
  KBUILD_AFLAGS_MODULE          += -mlong-calls
  KBUILD_CFLAGS_MODULE          += -mlong-calls