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

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

SVN-Revision: 41951
This commit is contained in:
Felix Fietkau 2014-08-02 18:50:55 +00:00
parent 428539a3a2
commit fe295cd178
15 changed files with 23 additions and 23 deletions
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6
target/linux/generic/patches-3.10/220-gc_sections.patch
View File

@ -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

2
target/linux/generic/patches-3.10/302-mips_no_branch_likely.patch
View File

@ -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

2
target/linux/generic/patches-3.10/305-mips_module_reloc.patch
View File

@ -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

6
target/linux/generic/patches-3.13/220-gc_sections.patch
View File

@ -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

2
target/linux/generic/patches-3.13/302-mips_no_branch_likely.patch
View File

@ -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

2
target/linux/generic/patches-3.13/305-mips_module_reloc.patch
View File

@ -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

6
target/linux/generic/patches-3.14/220-gc_sections.patch
View File

@ -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

2
target/linux/generic/patches-3.14/302-mips_no_branch_likely.patch
View File

@ -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

2
target/linux/generic/patches-3.14/305-mips_module_reloc.patch
View File

@ -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

4
target/linux/generic/patches-3.8/220-gc_sections.patch
View File

@ -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

2
target/linux/generic/patches-3.8/302-mips_no_branch_likely.patch
View File

@ -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

2
target/linux/generic/patches-3.8/305-mips_module_reloc.patch
View File

@ -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

4
target/linux/generic/patches-3.9/220-gc_sections.patch
View File

@ -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

2
target/linux/generic/patches-3.9/302-mips_no_branch_likely.patch
View File

@ -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

2
target/linux/generic/patches-3.9/305-mips_module_reloc.patch
View File

@ -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