[U-Boot] [U-Boot, v3] Makefile: Fix linking with modern binutils

Vagrant Cascadian vagrant at debian.org
Mon Apr 10 01:02:02 UTC 2017


On 2017-04-09, Andreas Färber <afaerber at suse.de> wrote:
> From: Joel Stanley <joel at jms.id.au>
>
> Since Binutils 1a9ccd70f9a7[1] u-boot will not link targets that set
> CONFIG_SYS_TEXT_BASE=0 with the following error:
>
>   LD      u-boot
> arm-linux-gnueabi-ld.bfd: u-boot: Not enough room for program headers, try
>  linking with -N
> arm-linux-gnueabi-ld.bfd: final link failed: Bad value
>
> The issue can be reproduced with the bad binutils and the rock2_defconfig
> target.
>
> This issue was also encountered by the powerpc kernel[2], with the fix
> being to pass --no-dynamic-linker for linkers newer than 2.26 when this
> flag was introduced. The option tells ld that the PIE or shared lib does
> not need loaded program headers.
>
> Ubuntu Zesty's Binutils 2.27.51.20161202 hits this error.

Also been hitting this with Debian's cross-toolchains (currently
binutils 2.28-3), but only when cross-building the firefly-rk3288 with
binutils-arm-linux-gnueabihf target. Other targets build fine...

This patch does appear to fix or workaround the issue for me, though,
thanks!

live well,
  vagrant


> [1] https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=commit;h=1a9ccd70f9a7
> [2] https://git.kernel.org/cgit/linux/kernel/git/powerpc/linux.git/commit/?h=next&id=ff45000fcb56b5b0f1a14a865d3541746d838a0a
>
> Signed-off-by: Joel Stanley <joel at jms.id.au>
> [AF: Apply to LDFLAGS_$(SPL_BIN) as well, suggested by Tom Rini]
> Signed-off-by: Andreas Färber <afaerber at suse.de>
> ---
>  Makefile             | 4 ++++
>  scripts/Makefile.spl | 4 ++++
>  2 files changed, 8 insertions(+)
>
> diff --git a/Makefile b/Makefile
> index ca7d60d..09b597d 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -805,6 +805,10 @@ ALL-y += $(CONFIG_BUILD_TARGET:"%"=%)
>  endif
>  
>  LDFLAGS_u-boot += $(LDFLAGS_FINAL)
> +
> +# Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
> +LDFLAGS_u-boot += $(call ld-option, --no-dynamic-linker)
> +
>  ifneq ($(CONFIG_SYS_TEXT_BASE),)
>  LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE)
>  endif
> diff --git a/scripts/Makefile.spl b/scripts/Makefile.spl
> index 760acee..eb24292 100644
> --- a/scripts/Makefile.spl
> +++ b/scripts/Makefile.spl
> @@ -291,6 +291,10 @@ $(obj)/u-boot-x86-16bit-spl.bin: $(obj)/u-boot-spl FORCE
>  	$(call if_changed,objcopy)
>  
>  LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
> +
> +# Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
> +LDFLAGS_$(SPL_BIN) += $(call ld-option, --no-dynamic-linker)
> +
>  ifneq ($(CONFIG_SPL_TEXT_BASE),)
>  LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)
>  endif
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