On Tue, Apr 18, 2017 at 10:35:32PM +0200, Álvaro Fernández Rojas wrote: > LD gives the following warning when trying to process u-boot-elf.o > warning: cannot find entry symbol __start; defaulting to 0000000080010000 > Fix this by renaming _start to __start > > Signed-off-by: Álvaro Fernández Rojas <nolt...@gmail.com> > --- > v3: Introduce changes suggested by Daniel Schwierzeck: > - Split patches. > v2: Introduce changes suggested by Daniel Schwierzeck: > - Fix _start vs __start symbol. > > Makefile | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/Makefile b/Makefile > index 8730550..66c9be2 100644 > --- a/Makefile > +++ b/Makefile > @@ -1187,7 +1187,7 @@ u-boot-img-spl-at-end.bin: u-boot.img > spl/u-boot-spl.bin FORCE > u-boot.elf: u-boot.bin > @$(OBJCOPY) -I binary $(PLATFORM_ELFFLAGS) $< u-boot-elf.o > @$(LD) u-boot-elf.o -o $@ \ > - --defsym=_start=$(CONFIG_SYS_TEXT_BASE) \ > + --defsym=__start=$(CONFIG_SYS_TEXT_BASE) \ > -Ttext=$(CONFIG_SYS_TEXT_BASE) > > # Rule to link u-boot
I don't know what's going on here, but I don't think this is right. We don't see this warning on aarch64 today. I would think that since we're talking about ELF _start vs __start would be part of the standard. -- Tom
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