kernel: when using --gc-sections, add --sort-section=name to get a more stable sorting order

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 41951
master
Felix Fietkau 10 years ago
parent 428539a3a2
commit fe295cd178
  1. 6
      target/linux/generic/patches-3.10/220-gc_sections.patch
  2. 2
      target/linux/generic/patches-3.10/302-mips_no_branch_likely.patch
  3. 2
      target/linux/generic/patches-3.10/305-mips_module_reloc.patch
  4. 6
      target/linux/generic/patches-3.13/220-gc_sections.patch
  5. 2
      target/linux/generic/patches-3.13/302-mips_no_branch_likely.patch
  6. 2
      target/linux/generic/patches-3.13/305-mips_module_reloc.patch
  7. 6
      target/linux/generic/patches-3.14/220-gc_sections.patch
  8. 2
      target/linux/generic/patches-3.14/302-mips_no_branch_likely.patch
  9. 2
      target/linux/generic/patches-3.14/305-mips_module_reloc.patch
  10. 4
      target/linux/generic/patches-3.8/220-gc_sections.patch
  11. 2
      target/linux/generic/patches-3.8/302-mips_no_branch_likely.patch
  12. 2
      target/linux/generic/patches-3.8/305-mips_module_reloc.patch
  13. 4
      target/linux/generic/patches-3.9/220-gc_sections.patch
  14. 2
      target/linux/generic/patches-3.9/302-mips_no_branch_likely.patch
  15. 2
      target/linux/generic/patches-3.9/305-mips_module_reloc.patch

@ -1,6 +1,6 @@
From: Felix Fietkau <nbd@openwrt.org> 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 In combination with kernel symbol export stripping this significantly reduces
the kernel image size. Used on both ARM and MIPS architectures. 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 += -G 0 -mno-abicalls -fno-pic -pipe
cflags-y += -msoft-float cflags-y += -msoft-float
-LDFLAGS_vmlinux += -G 0 -static -n -nostdlib -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_AFLAGS_MODULE += -mlong-calls
KBUILD_CFLAGS_MODULE += -mlong-calls KBUILD_CFLAGS_MODULE += -mlong-calls
@ -423,7 +423,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
ifeq ($(CONFIG_CPU_ENDIAN_BE8),y) ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
LDFLAGS_vmlinux += --be8 LDFLAGS_vmlinux += --be8
endif endif
+LDFLAGS_vmlinux += --gc-sections +LDFLAGS_vmlinux += --gc-sections --sort-section=name
OBJCOPYFLAGS :=-O binary -R .comment -S OBJCOPYFLAGS :=-O binary -R .comment -S
GZFLAGS :=-9 GZFLAGS :=-9

@ -7,5 +7,5 @@
-cflags-y += -G 0 -mno-abicalls -fno-pic -pipe -cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
+cflags-y += -G 0 -mno-abicalls -fno-pic -pipe -mno-branch-likely +cflags-y += -G 0 -mno-abicalls -fno-pic -pipe -mno-branch-likely
cflags-y += -msoft-float 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 KBUILD_AFLAGS_MODULE += -mlong-calls

@ -3,7 +3,7 @@
@@ -90,8 +90,13 @@ all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlin @@ -90,8 +90,13 @@ all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlin
cflags-y += -G 0 -mno-abicalls -fno-pic -pipe -mno-branch-likely cflags-y += -G 0 -mno-abicalls -fno-pic -pipe -mno-branch-likely
cflags-y += -msoft-float 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 +ifdef CONFIG_64BIT
KBUILD_AFLAGS_MODULE += -mlong-calls KBUILD_AFLAGS_MODULE += -mlong-calls
KBUILD_CFLAGS_MODULE += -mlong-calls KBUILD_CFLAGS_MODULE += -mlong-calls

@ -1,6 +1,6 @@
From: Felix Fietkau <nbd@openwrt.org> 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 In combination with kernel symbol export stripping this significantly reduces
the kernel image size. Used on both ARM and MIPS architectures. 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 += -G 0 -mno-abicalls -fno-pic -pipe
cflags-y += -msoft-float cflags-y += -msoft-float
-LDFLAGS_vmlinux += -G 0 -static -n -nostdlib -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_AFLAGS_MODULE += -mlong-calls
KBUILD_CFLAGS_MODULE += -mlong-calls KBUILD_CFLAGS_MODULE += -mlong-calls
@ -409,7 +409,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
LDFLAGS_vmlinux += --be8 LDFLAGS_vmlinux += --be8
LDFLAGS_MODULE += --be8 LDFLAGS_MODULE += --be8
endif endif
+LDFLAGS_vmlinux += --gc-sections +LDFLAGS_vmlinux += --gc-sections --sort-section=name
OBJCOPYFLAGS :=-O binary -R .comment -S OBJCOPYFLAGS :=-O binary -R .comment -S
GZFLAGS :=-9 GZFLAGS :=-9

@ -7,5 +7,5 @@
-cflags-y += -G 0 -mno-abicalls -fno-pic -pipe -cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
+cflags-y += -G 0 -mno-abicalls -fno-pic -pipe -mno-branch-likely +cflags-y += -G 0 -mno-abicalls -fno-pic -pipe -mno-branch-likely
cflags-y += -msoft-float 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 KBUILD_AFLAGS_MODULE += -mlong-calls

@ -3,7 +3,7 @@
@@ -90,8 +90,13 @@ all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlin @@ -90,8 +90,13 @@ all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlin
cflags-y += -G 0 -mno-abicalls -fno-pic -pipe -mno-branch-likely cflags-y += -G 0 -mno-abicalls -fno-pic -pipe -mno-branch-likely
cflags-y += -msoft-float 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 +ifdef CONFIG_64BIT
KBUILD_AFLAGS_MODULE += -mlong-calls KBUILD_AFLAGS_MODULE += -mlong-calls
KBUILD_CFLAGS_MODULE += -mlong-calls KBUILD_CFLAGS_MODULE += -mlong-calls

@ -1,6 +1,6 @@
From: Felix Fietkau <nbd@openwrt.org> 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 In combination with kernel symbol export stripping this significantly reduces
the kernel image size. Used on both ARM and MIPS architectures. 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 += -G 0 -mno-abicalls -fno-pic -pipe
cflags-y += -msoft-float cflags-y += -msoft-float
-LDFLAGS_vmlinux += -G 0 -static -n -nostdlib -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_AFLAGS_MODULE += -mlong-calls
KBUILD_CFLAGS_MODULE += -mlong-calls KBUILD_CFLAGS_MODULE += -mlong-calls
@ -409,7 +409,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
LDFLAGS_vmlinux += --be8 LDFLAGS_vmlinux += --be8
LDFLAGS_MODULE += --be8 LDFLAGS_MODULE += --be8
endif endif
+LDFLAGS_vmlinux += --gc-sections +LDFLAGS_vmlinux += --gc-sections --sort-section=name
OBJCOPYFLAGS :=-O binary -R .comment -S OBJCOPYFLAGS :=-O binary -R .comment -S
GZFLAGS :=-9 GZFLAGS :=-9

@ -7,5 +7,5 @@
-cflags-y += -G 0 -mno-abicalls -fno-pic -pipe -cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
+cflags-y += -G 0 -mno-abicalls -fno-pic -pipe -mno-branch-likely +cflags-y += -G 0 -mno-abicalls -fno-pic -pipe -mno-branch-likely
cflags-y += -msoft-float 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 KBUILD_AFLAGS_MODULE += -mlong-calls

@ -3,7 +3,7 @@
@@ -90,8 +90,13 @@ all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlin @@ -90,8 +90,13 @@ all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlin
cflags-y += -G 0 -mno-abicalls -fno-pic -pipe -mno-branch-likely cflags-y += -G 0 -mno-abicalls -fno-pic -pipe -mno-branch-likely
cflags-y += -msoft-float 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 +ifdef CONFIG_64BIT
KBUILD_AFLAGS_MODULE += -mlong-calls KBUILD_AFLAGS_MODULE += -mlong-calls
KBUILD_CFLAGS_MODULE += -mlong-calls KBUILD_CFLAGS_MODULE += -mlong-calls

@ -5,7 +5,7 @@
cflags-y += -G 0 -mno-abicalls -fno-pic -pipe cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
cflags-y += -msoft-float cflags-y += -msoft-float
-LDFLAGS_vmlinux += -G 0 -static -n -nostdlib -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_AFLAGS_MODULE += -mlong-calls
KBUILD_CFLAGS_MODULE += -mlong-calls KBUILD_CFLAGS_MODULE += -mlong-calls
@ -378,7 +378,7 @@
ifeq ($(CONFIG_CPU_ENDIAN_BE8),y) ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
LDFLAGS_vmlinux += --be8 LDFLAGS_vmlinux += --be8
endif endif
+LDFLAGS_vmlinux += --gc-sections +LDFLAGS_vmlinux += --gc-sections --sort-section=name
OBJCOPYFLAGS :=-O binary -R .comment -S OBJCOPYFLAGS :=-O binary -R .comment -S
GZFLAGS :=-9 GZFLAGS :=-9

@ -7,5 +7,5 @@
-cflags-y += -G 0 -mno-abicalls -fno-pic -pipe -cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
+cflags-y += -G 0 -mno-abicalls -fno-pic -pipe -mno-branch-likely +cflags-y += -G 0 -mno-abicalls -fno-pic -pipe -mno-branch-likely
cflags-y += -msoft-float 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 KBUILD_AFLAGS_MODULE += -mlong-calls

@ -3,7 +3,7 @@
@@ -90,8 +90,13 @@ all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlin @@ -90,8 +90,13 @@ all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlin
cflags-y += -G 0 -mno-abicalls -fno-pic -pipe -mno-branch-likely cflags-y += -G 0 -mno-abicalls -fno-pic -pipe -mno-branch-likely
cflags-y += -msoft-float 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 +ifdef CONFIG_64BIT
KBUILD_AFLAGS_MODULE += -mlong-calls KBUILD_AFLAGS_MODULE += -mlong-calls
KBUILD_CFLAGS_MODULE += -mlong-calls KBUILD_CFLAGS_MODULE += -mlong-calls

@ -5,7 +5,7 @@
cflags-y += -G 0 -mno-abicalls -fno-pic -pipe cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
cflags-y += -msoft-float cflags-y += -msoft-float
-LDFLAGS_vmlinux += -G 0 -static -n -nostdlib -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_AFLAGS_MODULE += -mlong-calls
KBUILD_CFLAGS_MODULE += -mlong-calls KBUILD_CFLAGS_MODULE += -mlong-calls
@ -411,7 +411,7 @@
ifeq ($(CONFIG_CPU_ENDIAN_BE8),y) ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
LDFLAGS_vmlinux += --be8 LDFLAGS_vmlinux += --be8
endif endif
+LDFLAGS_vmlinux += --gc-sections +LDFLAGS_vmlinux += --gc-sections --sort-section=name
OBJCOPYFLAGS :=-O binary -R .comment -S OBJCOPYFLAGS :=-O binary -R .comment -S
GZFLAGS :=-9 GZFLAGS :=-9

@ -7,5 +7,5 @@
-cflags-y += -G 0 -mno-abicalls -fno-pic -pipe -cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
+cflags-y += -G 0 -mno-abicalls -fno-pic -pipe -mno-branch-likely +cflags-y += -G 0 -mno-abicalls -fno-pic -pipe -mno-branch-likely
cflags-y += -msoft-float 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 KBUILD_AFLAGS_MODULE += -mlong-calls

@ -3,7 +3,7 @@
@@ -90,8 +90,13 @@ all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlin @@ -90,8 +90,13 @@ all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlin
cflags-y += -G 0 -mno-abicalls -fno-pic -pipe -mno-branch-likely cflags-y += -G 0 -mno-abicalls -fno-pic -pipe -mno-branch-likely
cflags-y += -msoft-float 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 +ifdef CONFIG_64BIT
KBUILD_AFLAGS_MODULE += -mlong-calls KBUILD_AFLAGS_MODULE += -mlong-calls
KBUILD_CFLAGS_MODULE += -mlong-calls KBUILD_CFLAGS_MODULE += -mlong-calls

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