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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>
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

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 -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

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
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

6
target/linux/generic/patches-3.13/220-gc_sections.patch
View 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
@ -409,7 +409,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
LDFLAGS_vmlinux += --be8
LDFLAGS_MODULE += --be8
endif
+LDFLAGS_vmlinux += --gc-sections
+LDFLAGS_vmlinux += --gc-sections --sort-section=name
OBJCOPYFLAGS :=-O binary -R .comment -S
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 -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

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
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

6
target/linux/generic/patches-3.14/220-gc_sections.patch
View 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
@ -409,7 +409,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
LDFLAGS_vmlinux += --be8
LDFLAGS_MODULE += --be8
endif
+LDFLAGS_vmlinux += --gc-sections
+LDFLAGS_vmlinux += --gc-sections --sort-section=name
OBJCOPYFLAGS :=-O binary -R .comment -S
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 -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

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
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

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 += -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
@ -378,7 +378,7 @@
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

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 -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

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
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

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 += -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
@ -411,7 +411,7 @@
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

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 -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

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
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