From 6c0bf27d74510d1d7fac9208e766eae8efac2592 Mon Sep 17 00:00:00 2001 From: Jason Jin Date: Mon, 22 Aug 2011 17:24:45 +0800 Subject: ColdFire: Cleanup for partial linking and --gc-sections Introduce the --gc-sections for ColdFire platform and clean up the corresponding lds file. Signed-off-by: TsiChung Liew Signed-off-by: Jason Jin --- board/freescale/m54451evb/u-boot.spa | 73 ++++++---------------------------- board/freescale/m54451evb/u-boot.stm | 76 ++++++------------------------------ 2 files changed, 24 insertions(+), 125 deletions(-) (limited to 'board/freescale/m54451evb') diff --git a/board/freescale/m54451evb/u-boot.spa b/board/freescale/m54451evb/u-boot.spa index e1bacd3..d13e762 100644 --- a/board/freescale/m54451evb/u-boot.spa +++ b/board/freescale/m54451evb/u-boot.spa @@ -22,65 +22,22 @@ */ OUTPUT_ARCH(m68k) -/* Do we need any of these for elf? - __DYNAMIC = 0; */ + SECTIONS { /* Read-only sections, merged into text segment: */ - . = + SIZEOF_HEADERS; - .interp : { *(.interp) } - .hash : { *(.hash) } - .dynsym : { *(.dynsym) } - .dynstr : { *(.dynstr) } - .rel.text : { *(.rel.text) } - .rela.text : { *(.rela.text) } - .rel.data : { *(.rel.data) } - .rela.data : { *(.rela.data) } - .rel.rodata : { *(.rel.rodata) } - .rela.rodata : { *(.rela.rodata) } - .rel.got : { *(.rel.got) } - .rela.got : { *(.rela.got) } - .rel.ctors : { *(.rel.ctors) } - .rela.ctors : { *(.rela.ctors) } - .rel.dtors : { *(.rel.dtors) } - .rela.dtors : { *(.rela.dtors) } - .rel.bss : { *(.rel.bss) } - .rela.bss : { *(.rela.bss) } - .rel.plt : { *(.rel.plt) } - .rela.plt : { *(.rela.plt) } - .init : { *(.init) } - .plt : { *(.plt) } .text : { - /* WARNING - the following is hand-optimized to fit within */ - /* the sector layout of our flash chips! XXX FIXME XXX */ - - arch/m68k/cpu/mcf5445x/start.o (.text) - arch/m68k/cpu/mcf5445x/libmcf5445x.o (.text) - arch/m68k/lib/libm68k.o (.text) - common/cmd_flash.o (.text) - common/dlmalloc.o (.text) - common/main.o (.text) - common/image.o (.text) - lib/libgeneric.o (.text) + arch/m68k/cpu/mcf5445x/start.o (.text*) - . = DEFINED(env_offset) ? env_offset : .; - common/env_embedded.o (.text) - - *(.text) - *(.fixup) - *(.got1) + *(.text*) } _etext = .; PROVIDE (etext = .); .rodata : { - *(.rodata) - *(.rodata1) + *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) } - .fini : { *(.fini) } =0 - .ctors : { *(.ctors) } - .dtors : { *(.dtors) } /* Read-write section, merged into data segment: */ . = (. + 0x00FF) & 0xFFFFFF00; @@ -90,24 +47,20 @@ SECTIONS .reloc : { __got_start = .; - *(.got) + KEEP(*(.got)) __got_end = .; _GOT2_TABLE_ = .; - *(.got2) + KEEP(*(.got2)) _FIXUP_TABLE_ = .; - *(.fixup) + KEEP(*(.fixup)) } __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; __fixup_entries = (. - _FIXUP_TABLE_)>>2; .data : { - *(.data) - *(.data1) - *(.sdata) - *(.sdata2) - *(.dynamic) - CONSTRUCTORS + *(.data*) + *(.sdata*) } _edata = .; PROVIDE (edata = .); @@ -117,7 +70,6 @@ SECTIONS .u_boot_cmd : { *(.u_boot_cmd) } __u_boot_cmd_end = .; - . = .; __start___ex_table = .; __ex_table : { *(__ex_table) } @@ -131,12 +83,11 @@ SECTIONS __init_end = .; __bss_start = .; - .bss : + .bss (NOLOAD) : { _sbss = .; - *(.sbss) *(.scommon) - *(.dynbss) - *(.bss) + *(.bss*) + *(.sbss*) *(COMMON) . = ALIGN(4); _ebss = .; diff --git a/board/freescale/m54451evb/u-boot.stm b/board/freescale/m54451evb/u-boot.stm index 1c6979f..45924b7 100644 --- a/board/freescale/m54451evb/u-boot.stm +++ b/board/freescale/m54451evb/u-boot.stm @@ -22,68 +22,22 @@ */ OUTPUT_ARCH(m68k) -/* Do we need any of these for elf? - __DYNAMIC = 0; */ + SECTIONS { /* Read-only sections, merged into text segment: */ - . = + SIZEOF_HEADERS; - .interp : { *(.interp) } - .hash : { *(.hash) } - .dynsym : { *(.dynsym) } - .dynstr : { *(.dynstr) } - .rel.text : { *(.rel.text) } - .rela.text : { *(.rela.text) } - .rel.data : { *(.rel.data) } - .rela.data : { *(.rela.data) } - .rel.rodata : { *(.rel.rodata) } - .rela.rodata : { *(.rela.rodata) } - .rel.got : { *(.rel.got) } - .rela.got : { *(.rela.got) } - .rel.ctors : { *(.rel.ctors) } - .rela.ctors : { *(.rela.ctors) } - .rel.dtors : { *(.rel.dtors) } - .rela.dtors : { *(.rela.dtors) } - .rel.bss : { *(.rel.bss) } - .rela.bss : { *(.rela.bss) } - .rel.plt : { *(.rel.plt) } - .rela.plt : { *(.rela.plt) } - .init : { *(.init) } - .plt : { *(.plt) } .text : { - /* WARNING - the following is hand-optimized to fit within */ - /* the sector layout of our flash chips! XXX FIXME XXX */ - - arch/m68k/cpu/mcf5445x/start.o (.text) -/* arch/m68k/cpu/mcf5445x/cpu_init.o (.text) - arch/m68k/cpu/mcf5445x/cpu.o (.text) - arch/m68k/cpu/mcf5445x/dspi.o (.text) - arch/m68k/cpu/mcf5445x/interrupt.o (.text) - arch/m68k/cpu/mcf5445x/speed.o (.text) - arch/m68k/lib/board.o (.text) - common/serial.o (.text) - common/console.o (.text) - lib/display_options.o (.text) - board/freescale/m54455evb/m54455evb.o (.text) + arch/m68k/cpu/mcf5445x/start.o (.text*) - . = DEFINED(env_offset) ? env_offset : .; - common/env_embedded.o (.text) -*/ - *(.text) - *(.fixup) - *(.got1) + *(.text*) } _etext = .; PROVIDE (etext = .); .rodata : { - *(.rodata) - *(.rodata1) + *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) } - .fini : { *(.fini) } =0 - .ctors : { *(.ctors) } - .dtors : { *(.dtors) } /* Read-write section, merged into data segment: */ . = (. + 0x00FF) & 0xFFFFFF00; @@ -93,24 +47,20 @@ SECTIONS .reloc : { __got_start = .; - *(.got) + KEEP(*(.got)) __got_end = .; _GOT2_TABLE_ = .; - *(.got2) + KEEP(*(.got2)) _FIXUP_TABLE_ = .; - *(.fixup) + KEEP(*(.fixup)) } __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; __fixup_entries = (. - _FIXUP_TABLE_)>>2; .data : { - *(.data) - *(.data1) - *(.sdata) - *(.sdata2) - *(.dynamic) - CONSTRUCTORS + *(.data*) + *(.sdata*) } _edata = .; PROVIDE (edata = .); @@ -120,7 +70,6 @@ SECTIONS .u_boot_cmd : { *(.u_boot_cmd) } __u_boot_cmd_end = .; - . = .; __start___ex_table = .; __ex_table : { *(__ex_table) } @@ -134,12 +83,11 @@ SECTIONS __init_end = .; __bss_start = .; - .bss : + .bss (NOLOAD) : { _sbss = .; - *(.sbss) *(.scommon) - *(.dynbss) - *(.bss) + *(.bss*) + *(.sbss*) *(COMMON) . = ALIGN(4); _ebss = .; -- cgit v1.1