On Wed, 21 Jul 2021 09:56:07 +0200 Patrick Delaunay <patrick.delau...@foss.st.com> wrote:
> With LTO activated, the buildman tools failed with an error on my > configuration (Ubuntu 20.04, stm32mp15_trusted_defconfig) with the error: > > ../arm-linux-gnueabi/bin/nm: > scripts/gen_ll_addressable_symbols.sh: file format not recognized > > It seems the shell variable initialization NM=$(NM) is not correctly > interpreted when shell is started in the Makefile, but I have not this > issue when I compile the same target without buildman. > > I don't found the root reason of the problem but I solve it by > providing $(NM) as script parameter instead using a shell variable. > > The command executed is identical: > > cmd_keep-syms-lto.c := NM=arm-none-linux-gnueabihf-gcc-nm \ > u-boot/scripts/gen_ll_addressable_symbols.sh arch/arm/cpu/built-in.o \ > .... net/built-in.o >keep-syms-lto.c > > cmd_keep-syms-lto.c := u-boot/scripts/gen_ll_addressable_symbols.sh \ > arm-none-linux-gnueabihf-gcc-nm arch/arm/cpu/built-in.o \ > ... net/built-in.o > keep-syms-lto.c > > Reviewed-by: Simon Glass <s...@chromium.org> > Signed-off-by: Patrick Delaunay <patrick.delau...@foss.st.com> > --- > Resend with correct commit message for patman > s/Serie-cc/Series-cc/ > > > Makefile | 2 +- > scripts/Makefile.spl | 2 +- > scripts/gen_ll_addressable_symbols.sh | 5 ++++- > 3 files changed, 6 insertions(+), 3 deletions(-) > > diff --git a/Makefile b/Makefile > index ca2432c8ce..140dea09f4 100644 > --- a/Makefile > +++ b/Makefile > @@ -1736,7 +1736,7 @@ u-boot-keep-syms-lto_c := $(patsubst > %.o,%.c,$(u-boot-keep-syms-lto)) > > quiet_cmd_keep_syms_lto = KSL $@ > cmd_keep_syms_lto = \ > - NM=$(NM) $(srctree)/scripts/gen_ll_addressable_symbols.sh $^ >$@ > + $(srctree)/scripts/gen_ll_addressable_symbols.sh $(NM) $^ > $@ > > quiet_cmd_keep_syms_lto_cc = KSLCC $@ > cmd_keep_syms_lto_cc = \ > diff --git a/scripts/Makefile.spl b/scripts/Makefile.spl > index 5be1a9ba1b..25a3e7fa52 100644 > --- a/scripts/Makefile.spl > +++ b/scripts/Makefile.spl > @@ -459,7 +459,7 @@ u-boot-spl-keep-syms-lto_c := \ > > quiet_cmd_keep_syms_lto = KSL $@ > cmd_keep_syms_lto = \ > - NM=$(NM) $(srctree)/scripts/gen_ll_addressable_symbols.sh $^ >$@ > + $(srctree)/scripts/gen_ll_addressable_symbols.sh $(NM) $^ > $@ > > quiet_cmd_keep_syms_lto_cc = KSLCC $@ > cmd_keep_syms_lto_cc = \ > diff --git a/scripts/gen_ll_addressable_symbols.sh > b/scripts/gen_ll_addressable_symbols.sh > index 3978a39d97..b8840dd011 100755 > --- a/scripts/gen_ll_addressable_symbols.sh > +++ b/scripts/gen_ll_addressable_symbols.sh > @@ -5,8 +5,11 @@ > # Generate __ADDRESSABLE(symbol) for every linker list entry symbol, so that > LTO > # does not optimize these symbols away > > +# The expected parameter of this script is the command requested to have > +# the U-Boot symbols to parse, for example: $(NM) $(u-boot-main) > + > set -e > > echo '#include <common.h>' > -$NM "$@" 2>/dev/null | grep -oe > '_u_boot_list_2_[a-zA-Z0-9_]*_2_[a-zA-Z0-9_]*' | \ > +$@ 2>/dev/null | grep -oe '_u_boot_list_2_[a-zA-Z0-9_]*_2_[a-zA-Z0-9_]*' | \ > sort -u | sed -e 's/^\(.*\)/extern char \1[];\n__ADDRESSABLE(\1);/' Shouldn't we use "$@" ? In case the arguments contain spaces? Marek
