Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> writes:
On Wed, Nov 10, 2010 at 11:02, Andreas Schwab <schwab@xxxxxxxxxxxxxx> wrote:
Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> writes:
On Wed, Nov 10, 2010 at 08:08, Michael Schmitz
<schmitzmic@xxxxxxxxxxxxxx> wrote:
seen this before?
Not this particular one...
LD .tmp_vmlinux1
fs/built-in.o: In function `alignfile':
binfmt_elf.c:(.text+0x307bc): undefined reference to `__divdi3'
fs/built-in.o: In function `elf_core_dump':
binfmt_elf.c:(.text+0x3139c): undefined reference to `__divdi3'
make: *** [.tmp_vmlinux1] Error 1
Where is that called? The right fix in most cases is to use do_div from
<asm/div64.h>.
alignfile: roundup(*foffset, 4)
elf_core_dump: roundup(offset, ELF_EXEC_PAGESIZE)
(assumed it's caused by the roundup() calls, assembly output?)
Both are divisions by a power-of-two, but the dividend is a (signed!) long long.
I cannot reproduce that.
Andreas.
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Andreas Schwab, schwab@xxxxxxxxxxxxxx
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