On Mon, 13 Jun 2011, Russell King - ARM Linux wrote:
> On Sun, Jun 12, 2011 at 02:06:38AM -0400, Nicolas Pitre wrote:
> > diff --git a/arch/arm/boot/compressed/vmlinux.lds.in
> > b/arch/arm/boot/compressed/vmlinux.lds.in
> > index ea80abe..6c02db1 100644
> > --- a/arch/arm/boot/compressed/vmlinux.lds.in
> > +++ b/arch/arm/boot/compressed/vmlinux.lds.in
> > @@ -47,6 +47,9 @@ SECTIONS
> > .got : { *(.got) }
> > _got_end = .;
> > .got.plt : { *(.got.plt) }
> > +
> > + /* ensure the zImage file size is always a multiple of 64 bits */
> > + .pad : { BYTE(0); . = ALIGN(8); }
>
> Why add a byte before aligning? Isn't merely aligning to 64-bit sufficient?
No. If a section is empty, despite the align statement, ld would simply
omit it entirely and the output file size won't be aligned.
Nicolas
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