diff options
Diffstat (limited to 'target/linux/generic/hack-5.10/220-gc_sections.patch')
| -rw-r--r-- | target/linux/generic/hack-5.10/220-gc_sections.patch | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/target/linux/generic/hack-5.10/220-gc_sections.patch b/target/linux/generic/hack-5.10/220-gc_sections.patch deleted file mode 100644 index 810c5aecf5f..00000000000 --- a/target/linux/generic/hack-5.10/220-gc_sections.patch +++ /dev/null @@ -1,120 +0,0 @@ -From e3d8676f5722b7622685581e06e8f53e6138e3ab Mon Sep 17 00:00:00 2001 -From: Felix Fietkau <nbd@nbd.name> -Date: Sat, 15 Jul 2017 23:42:36 +0200 -Subject: use -ffunction-sections, -fdata-sections and --gc-sections - -In combination with kernel symbol export stripping this significantly reduces -the kernel image size. Used on both ARM and MIPS architectures. - -Signed-off-by: Felix Fietkau <nbd@nbd.name> -Signed-off-by: Jonas Gorski <jogo@openwrt.org> -Signed-off-by: Gabor Juhos <juhosg@openwrt.org> ---- ---- a/arch/arm/Kconfig -+++ b/arch/arm/Kconfig -@@ -113,6 +113,7 @@ config ARM - select HAVE_UID16 - select HAVE_VIRT_CPU_ACCOUNTING_GEN - select IRQ_FORCED_THREADING -+ select HAVE_LD_DEAD_CODE_DATA_ELIMINATION - select MODULES_USE_ELF_REL - select NEED_DMA_MAP_STATE - select OF_EARLY_FLATTREE if OF ---- a/arch/arm/boot/compressed/Makefile -+++ b/arch/arm/boot/compressed/Makefile -@@ -98,6 +98,7 @@ $(foreach o, $(libfdt_objs) atags_to_fdt - ifdef building_out_of_srctree - $(shell rm -f $(addprefix $(obj)/, fdt_rw.c fdt_ro.c fdt_wip.c fdt.c)) - endif -+KBUILD_CFLAGS_KERNEL := $(patsubst -f%-sections,,$(KBUILD_CFLAGS_KERNEL)) - - targets := vmlinux vmlinux.lds piggy_data piggy.o \ - lib1funcs.o ashldi3.o bswapsdi2.o \ ---- a/arch/arm/kernel/vmlinux.lds.S -+++ b/arch/arm/kernel/vmlinux.lds.S -@@ -100,24 +100,24 @@ SECTIONS - } - .init.arch.info : { - __arch_info_begin = .; -- *(.arch.info.init) -+ KEEP(*(.arch.info.init)) - __arch_info_end = .; - } - .init.tagtable : { - __tagtable_begin = .; -- *(.taglist.init) -+ KEEP(*(.taglist.init)) - __tagtable_end = .; - } - #ifdef CONFIG_SMP_ON_UP - .init.smpalt : { - __smpalt_begin = .; -- *(.alt.smp.init) -+ KEEP(*(.alt.smp.init)) - __smpalt_end = .; - } - #endif - .init.pv_table : { - __pv_table_begin = .; -- *(.pv_table) -+ KEEP(*(.pv_table)) - __pv_table_end = .; - } - ---- a/arch/arm/include/asm/vmlinux.lds.h -+++ b/arch/arm/include/asm/vmlinux.lds.h -@@ -23,19 +23,19 @@ - #define ARM_MMU_DISCARD(x) - #else - #define ARM_MMU_KEEP(x) --#define ARM_MMU_DISCARD(x) x -+#define ARM_MMU_DISCARD(x) KEEP(x) - #endif - - #define PROC_INFO \ - . = ALIGN(4); \ - __proc_info_begin = .; \ -- *(.proc.info.init) \ -+ KEEP(*(.proc.info.init)) \ - __proc_info_end = .; - - #define IDMAP_TEXT \ - ALIGN_FUNCTION(); \ - __idmap_text_start = .; \ -- *(.idmap.text) \ -+ KEEP(*(.idmap.text)) \ - __idmap_text_end = .; \ - - #define ARM_DISCARD \ -@@ -96,12 +96,12 @@ - . = ALIGN(8); \ - .ARM.unwind_idx : { \ - __start_unwind_idx = .; \ -- *(.ARM.exidx*) \ -+ KEEP(*(.ARM.exidx*)) \ - __stop_unwind_idx = .; \ - } \ - .ARM.unwind_tab : { \ - __start_unwind_tab = .; \ -- *(.ARM.extab*) \ -+ KEEP(*(.ARM.extab*)) \ - __stop_unwind_tab = .; \ - } - -@@ -112,14 +112,14 @@ - #define ARM_VECTORS \ - __vectors_start = .; \ - .vectors 0xffff0000 : AT(__vectors_start) { \ -- *(.vectors) \ -+ KEEP(*(.vectors)) \ - } \ - . = __vectors_start + SIZEOF(.vectors); \ - __vectors_end = .; \ - \ - __stubs_start = .; \ - .stubs ADDR(.vectors) + 0x1000 : AT(__stubs_start) { \ -- *(.stubs) \ -+ KEEP(*(.stubs)) \ - } \ - . = __stubs_start + SIZEOF(.stubs); \ - __stubs_end = .; \ |