From 47ed5dd031d7d2c587e6afd386e79ccec1a1b7f7 Mon Sep 17 00:00:00 2001 From: Albert ARIBAUD Date: Thu, 7 Nov 2013 14:21:46 +0100 Subject: [PATCH] arm: keep all sections in ELF file MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Current LDS files /DISCARD/ a lot of sections when linking ELF files, causing diagnostic tools such as readelf or objdump to produce partial output. Keep all section at link stage, filter only at objcopy time so that .bin remains minimal. Signed-off-by: Albert ARIBAUD Reviewed-by: Benoît Thébaudeau --- Makefile | 2 +- arch/arm/config.mk | 3 +++ arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds | 16 +++++++++------- arch/arm/cpu/arm926ejs/spear/u-boot-spl.lds | 16 +++++++++------- arch/arm/cpu/ixp/u-boot.lds | 15 +++++++++------ arch/arm/cpu/u-boot-spl.lds | 15 +++++++++------ arch/arm/cpu/u-boot.lds | 18 ++++++++++-------- board/actux1/u-boot.lds | 15 +++++++++------ board/actux2/u-boot.lds | 15 +++++++++------ board/actux3/u-boot.lds | 15 +++++++++------ board/dvlhost/u-boot.lds | 15 +++++++++------ board/freescale/mx31ads/u-boot.lds | 18 +++++++++--------- board/ti/am335x/u-boot.lds | 15 +++++++++------ board/vpac270/u-boot-spl.lds | 18 +++++++++--------- 14 files changed, 113 insertions(+), 83 deletions(-) diff --git a/Makefile b/Makefile index 1f499c5..af0ad57 100644 --- a/Makefile +++ b/Makefile @@ -393,7 +393,7 @@ $(obj)u-boot.hex: $(obj)u-boot $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ $(obj)u-boot.srec: $(obj)u-boot - $(OBJCOPY) -O srec $< $@ + $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ $(obj)u-boot.bin: $(obj)u-boot $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@ diff --git a/arch/arm/config.mk b/arch/arm/config.mk index bdabcf4..fd3e5fb 100644 --- a/arch/arm/config.mk +++ b/arch/arm/config.mk @@ -103,3 +103,6 @@ ALL-y += checkarmreloc # such usage by requiring word relocations. PLATFORM_CPPFLAGS += $(call cc-option, -mword-relocations) endif + +# limit ourselves to the sections we want in the .bin. +OBJCFLAGS += -j .text -j .rodata -j .data -j .u_boot_list -j .rel.dyn diff --git a/arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds b/arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds index 40bcc31..80fb9bd 100644 --- a/arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds +++ b/arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds @@ -51,11 +51,13 @@ SECTIONS _end = .; - /DISCARD/ : { *(.dynstr*) } - /DISCARD/ : { *(.dynsym*) } - /DISCARD/ : { *(.dynamic*) } - /DISCARD/ : { *(.hash*) } - /DISCARD/ : { *(.plt*) } - /DISCARD/ : { *(.interp*) } - /DISCARD/ : { *(.gnu*) } + .dynsym _end : { *(.dynsym) } + .dynbss : { *(.dynbss) } + .dynstr : { *(.dynstr*) } + .dynamic : { *(.dynamic*) } + .hash : { *(.hash*) } + .plt : { *(.plt*) } + .interp : { *(.interp*) } + .gnu : { *(.gnu*) } + .ARM.exidx : { *(.ARM.exidx*) } } diff --git a/arch/arm/cpu/arm926ejs/spear/u-boot-spl.lds b/arch/arm/cpu/arm926ejs/spear/u-boot-spl.lds index 4927736..76b499d 100644 --- a/arch/arm/cpu/arm926ejs/spear/u-boot-spl.lds +++ b/arch/arm/cpu/arm926ejs/spear/u-boot-spl.lds @@ -51,11 +51,13 @@ SECTIONS _end = .; - /DISCARD/ : { *(.dynstr*) } - /DISCARD/ : { *(.dynsym*) } - /DISCARD/ : { *(.dynamic*) } - /DISCARD/ : { *(.hash*) } - /DISCARD/ : { *(.plt*) } - /DISCARD/ : { *(.interp*) } - /DISCARD/ : { *(.gnu*) } + .dynsym _end : { *(.dynsym) } + .dynbss : { *(.dynbss) } + .dynstr : { *(.dynstr*) } + .dynamic : { *(.dynamic*) } + .hash : { *(.hash*) } + .plt : { *(.plt*) } + .interp : { *(.interp*) } + .gnu : { *(.gnu*) } + .ARM.exidx : { *(.ARM.exidx*) } } diff --git a/arch/arm/cpu/ixp/u-boot.lds b/arch/arm/cpu/ixp/u-boot.lds index c8d2e12..676ae2c 100644 --- a/arch/arm/cpu/ixp/u-boot.lds +++ b/arch/arm/cpu/ixp/u-boot.lds @@ -79,10 +79,13 @@ SECTIONS KEEP(*(.__bss_end)); } - /DISCARD/ : { *(.dynsym) } - /DISCARD/ : { *(.dynstr*) } - /DISCARD/ : { *(.dynamic*) } - /DISCARD/ : { *(.plt*) } - /DISCARD/ : { *(.interp*) } - /DISCARD/ : { *(.gnu*) } + .dynsym _end : { *(.dynsym) } + .dynbss : { *(.dynbss) } + .dynstr : { *(.dynstr*) } + .dynamic : { *(.dynamic*) } + .hash : { *(.hash*) } + .plt : { *(.plt*) } + .interp : { *(.interp*) } + .gnu : { *(.gnu*) } + .ARM.exidx : { *(.ARM.exidx*) } } diff --git a/arch/arm/cpu/u-boot-spl.lds b/arch/arm/cpu/u-boot-spl.lds index 36cc54a..4880d0f 100644 --- a/arch/arm/cpu/u-boot-spl.lds +++ b/arch/arm/cpu/u-boot-spl.lds @@ -51,12 +51,15 @@ SECTIONS __bss_end = .; } - /DISCARD/ : { *(.dynsym) } - /DISCARD/ : { *(.dynstr*) } - /DISCARD/ : { *(.dynamic*) } - /DISCARD/ : { *(.plt*) } - /DISCARD/ : { *(.interp*) } - /DISCARD/ : { *(.gnu*) } + .dynsym _end : { *(.dynsym) } + .dynbss : { *(.dynbss) } + .dynstr : { *(.dynstr*) } + .dynamic : { *(.dynamic*) } + .hash : { *(.hash*) } + .plt : { *(.plt*) } + .interp : { *(.interp*) } + .gnu : { *(.gnu*) } + .ARM.exidx : { *(.ARM.exidx*) } } #if defined(CONFIG_SPL_MAX_SIZE) diff --git a/arch/arm/cpu/u-boot.lds b/arch/arm/cpu/u-boot.lds index 23bf030..9463a33 100644 --- a/arch/arm/cpu/u-boot.lds +++ b/arch/arm/cpu/u-boot.lds @@ -91,12 +91,14 @@ SECTIONS KEEP(*(.__bss_end)); } - /DISCARD/ : { *(.dynsym) } - /DISCARD/ : { *(.dynstr*) } - /DISCARD/ : { *(.dynamic*) } - /DISCARD/ : { *(.plt*) } - /DISCARD/ : { *(.interp*) } - /DISCARD/ : { *(.gnu*) } - /DISCARD/ : { *(.ARM.exidx*) } - /DISCARD/ : { *(.gnu.linkonce.armexidx.*) } + .dynsym _end : { *(.dynsym) } + .hash : { *(.hash) } + .got.plt : { *(.got.plt) } + .dynbss : { *(.dynbss) } + .dynstr : { *(.dynstr*) } + .dynamic : { *(.dynamic*) } + .plt : { *(.plt*) } + .interp : { *(.interp*) } + .gnu : { *(.gnu*) } + .ARM.exidx : { *(.ARM.exidx*) } } diff --git a/board/actux1/u-boot.lds b/board/actux1/u-boot.lds index a656fa9..12e018f 100644 --- a/board/actux1/u-boot.lds +++ b/board/actux1/u-boot.lds @@ -87,10 +87,13 @@ SECTIONS KEEP(*(.__bss_end)); } - /DISCARD/ : { *(.dynsym) } - /DISCARD/ : { *(.dynstr*) } - /DISCARD/ : { *(.dynamic*) } - /DISCARD/ : { *(.plt*) } - /DISCARD/ : { *(.interp*) } - /DISCARD/ : { *(.gnu*) } + .dynsym _end : { *(.dynsym) } + .dynbss : { *(.dynbss) } + .dynstr : { *(.dynstr*) } + .dynamic : { *(.dynamic*) } + .hash : { *(.hash*) } + .plt : { *(.plt*) } + .interp : { *(.interp*) } + .gnu : { *(.gnu*) } + .ARM.exidx : { *(.ARM.exidx*) } } diff --git a/board/actux2/u-boot.lds b/board/actux2/u-boot.lds index 7a17176..300273b 100644 --- a/board/actux2/u-boot.lds +++ b/board/actux2/u-boot.lds @@ -87,10 +87,13 @@ SECTIONS KEEP(*(.__bss_end)); } - /DISCARD/ : { *(.dynsym) } - /DISCARD/ : { *(.dynstr*) } - /DISCARD/ : { *(.dynamic*) } - /DISCARD/ : { *(.plt*) } - /DISCARD/ : { *(.interp*) } - /DISCARD/ : { *(.gnu*) } + .dynsym _end : { *(.dynsym) } + .dynbss : { *(.dynbss) } + .dynstr : { *(.dynstr*) } + .dynamic : { *(.dynamic*) } + .hash : { *(.hash*) } + .plt : { *(.plt*) } + .interp : { *(.interp*) } + .gnu : { *(.gnu*) } + .ARM.exidx : { *(.ARM.exidx*) } } diff --git a/board/actux3/u-boot.lds b/board/actux3/u-boot.lds index aadfdd2..9c97c53 100644 --- a/board/actux3/u-boot.lds +++ b/board/actux3/u-boot.lds @@ -87,10 +87,13 @@ SECTIONS KEEP(*(.__bss_end)); } - /DISCARD/ : { *(.dynsym) } - /DISCARD/ : { *(.dynstr*) } - /DISCARD/ : { *(.dynamic*) } - /DISCARD/ : { *(.plt*) } - /DISCARD/ : { *(.interp*) } - /DISCARD/ : { *(.gnu*) } + .dynsym _end : { *(.dynsym) } + .dynbss : { *(.dynbss) } + .dynstr : { *(.dynstr*) } + .dynamic : { *(.dynamic*) } + .hash : { *(.hash*) } + .plt : { *(.plt*) } + .interp : { *(.interp*) } + .gnu : { *(.gnu*) } + .ARM.exidx : { *(.ARM.exidx*) } } diff --git a/board/dvlhost/u-boot.lds b/board/dvlhost/u-boot.lds index 40c9c80..057d94b 100644 --- a/board/dvlhost/u-boot.lds +++ b/board/dvlhost/u-boot.lds @@ -87,10 +87,13 @@ SECTIONS KEEP(*(.__bss_end)); } - /DISCARD/ : { *(.dynsym) } - /DISCARD/ : { *(.dynstr*) } - /DISCARD/ : { *(.dynamic*) } - /DISCARD/ : { *(.plt*) } - /DISCARD/ : { *(.interp*) } - /DISCARD/ : { *(.gnu*) } + .dynsym _end : { *(.dynsym) } + .dynbss : { *(.dynbss) } + .dynstr : { *(.dynstr*) } + .dynamic : { *(.dynamic*) } + .hash : { *(.hash*) } + .plt : { *(.plt*) } + .interp : { *(.interp*) } + .gnu : { *(.gnu*) } + .ARM.exidx : { *(.ARM.exidx*) } } diff --git a/board/freescale/mx31ads/u-boot.lds b/board/freescale/mx31ads/u-boot.lds index 3acc4ca..6cfca2d 100644 --- a/board/freescale/mx31ads/u-boot.lds +++ b/board/freescale/mx31ads/u-boot.lds @@ -90,13 +90,13 @@ SECTIONS KEEP(*(.__bss_end)); } - /DISCARD/ : { *(.bss*) } - /DISCARD/ : { *(.dynsym) } - /DISCARD/ : { *(.dynstr*) } - /DISCARD/ : { *(.dynsym*) } - /DISCARD/ : { *(.dynamic*) } - /DISCARD/ : { *(.hash*) } - /DISCARD/ : { *(.plt*) } - /DISCARD/ : { *(.interp*) } - /DISCARD/ : { *(.gnu*) } + .dynsym _end : { *(.dynsym) } + .dynbss : { *(.dynbss) } + .dynstr : { *(.dynstr*) } + .dynamic : { *(.dynamic*) } + .hash : { *(.hash*) } + .plt : { *(.plt*) } + .interp : { *(.interp*) } + .gnu : { *(.gnu*) } + .ARM.exidx : { *(.ARM.exidx*) } } diff --git a/board/ti/am335x/u-boot.lds b/board/ti/am335x/u-boot.lds index a173f62..9f96a43 100644 --- a/board/ti/am335x/u-boot.lds +++ b/board/ti/am335x/u-boot.lds @@ -108,10 +108,13 @@ SECTIONS KEEP(*(.__bss_end)); } - /DISCARD/ : { *(.dynsym) } - /DISCARD/ : { *(.dynstr*) } - /DISCARD/ : { *(.dynamic*) } - /DISCARD/ : { *(.plt*) } - /DISCARD/ : { *(.interp*) } - /DISCARD/ : { *(.gnu*) } + .dynsym _end : { *(.dynsym) } + .dynbss : { *(.dynbss) } + .dynstr : { *(.dynstr*) } + .dynamic : { *(.dynamic*) } + .hash : { *(.hash*) } + .plt : { *(.plt*) } + .interp : { *(.interp*) } + .gnu : { *(.gnu*) } + .ARM.exidx : { *(.ARM.exidx*) } } diff --git a/board/vpac270/u-boot-spl.lds b/board/vpac270/u-boot-spl.lds index 7eac497..08c78b3 100644 --- a/board/vpac270/u-boot-spl.lds +++ b/board/vpac270/u-boot-spl.lds @@ -62,13 +62,13 @@ SECTIONS __bss_end = .; } - /DISCARD/ : { *(.bss*) } - /DISCARD/ : { *(.dynsym) } - /DISCARD/ : { *(.dynstr*) } - /DISCARD/ : { *(.dynsym*) } - /DISCARD/ : { *(.dynamic*) } - /DISCARD/ : { *(.hash*) } - /DISCARD/ : { *(.plt*) } - /DISCARD/ : { *(.interp*) } - /DISCARD/ : { *(.gnu*) } + .dynsym _end : { *(.dynsym) } + .dynbss : { *(.dynbss) } + .dynstr : { *(.dynstr*) } + .dynamic : { *(.dynamic*) } + .hash : { *(.hash*) } + .plt : { *(.plt*) } + .interp : { *(.interp*) } + .gnu : { *(.gnu*) } + .ARM.exidx : { *(.ARM.exidx*) } }