ALIGN(PAGE_SIZE);
.data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) {
NOSAVE_DATA
}
Acked-by: Segher Boessenkool
The patch is good and fixes a real problem. But, I still don't see how
it caused the "warning: allocated section `.data_nosave' not in
se
We need to align before the output section. Having the align inside
the output section causes the linker to put some filler in there,
which makes it a non-empty section, but this section isn't assigned to
a segment so you get a warning from the linker.
Signed-off-by: Sean MacLennan
---
diff --git
> Here is the ld -M output for the "bad" compile:
>
> .data_nosave0xc0376790 0x870 load address 0x00376790
> 0xc0377000. = ALIGN (0x1000)
> *fill* 0xc0376790 0x870 00
Ah right. Having the ALIGN() inside the output section causes the linker
to
Here is the ld -M output for the "bad" compile:
.data_nosave0xc0376790 0x870 load address 0x00376790
0xc0377000. = ALIGN (0x1000)
*fill* 0xc0376790 0x870 00
0xc0377000__nosave_begin = .
*(.data.nosave)
If you ignore the VMLINUX_SYMBOL, the only difference is moving the
ALIGN inside the brackets. If I move the ALIGN back where it was, then
the warning goes away.
But other sections moved the ALIGN without an issue. Could it be a
compiler problem? We are using version 4.0.0 (DENX ELDK 4.1 4.0.0).
I looked into it some more the patch converts this section:
. = ALIGN(PAGE_SIZE);
.data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) {
__nosave_begin = .;
*(.data.nosave)
. = ALIGN(PAGE_SIZE);
__nosave_end = .;
If I revert the commit show at the bottom of this email, the warnings
go away.
It took a while to find this, git bisect kept pointing me to a file
from arch/alpha :(
Cheers,
Sean
powerpc: Cleanup linker script using new linker script macros.
author Tim Abbott
Thu, 24 Sep 2009
Anybody else getting these? They just started popping up with the
recent changes for 2.6.32.
ppc_4xxFP-ld: .tmp_vmlinux1: warning: allocated section `.data_nosave'
not in segment KSYM.tmp_kallsyms1.S
AS .tmp_kallsyms1.o
LD .tmp_vmlinux2
ppc_4xxFP-ld: .tmp_vmlinux2: wa
