Messages in this thread |  | | | Subject | Re: [PATCH] i386: vmlinux.lds.S Distinguish absolute symbols | | From | (Eric W. Biederman) | | Date | Sun, 31 Jul 2005 02:45:27 -0600 |
Sam Ravnborg <sam@ravnborg.org> writes:
> > >> > I recall that when Kai Germaschewski long time ago started the >> > unification of the vmlinux.lds files some people had boot problems >> > exactly because the label was defined inside the section and therefore >> > ld caused it to have another value as if it was placed outside the >> > section. >> >> I remember seeing something like that. I don't know if those problems >> apply to a modern ld, but it is certainly worth looking into. > I was googling a bit with no luck. > But apperantly looking at include/asm-generic/vmlinux.lds.h > I'm utterly wrong. It was the other way around that caused problems.
Thanks for doing the research.
> Placing the labels outside {} sometimes gave an unaligned start address, > whereas placing the label inside {} gave the correct address. > At his also makes sense. If ld decide to align a section then it will do > so after a label defined outside the section.
This also gives a solid argument for why doing this will be safe as vmlinux.lds.h already does we can't be making things worse. :)
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