FAQ: [#6024] Kernel xip failed to build due to strncpy calling memcpy in assembly(2010)

[#6024] Kernel xip failed to build due to strncpy calling memcpy in assembly

Submitted By: Vivi Li

Open Date

2010-05-11 00:23:55 Close Date

2010-05-19 04:23:43

Priority:

Medium Assignee:

Robin Getz

Status:

Closed Fixed In Release:

N/A

Found In Release:

2010R1 Release:

Category:

N/A Board:

N/A

Processor:

BF527 Silicon Revision:

Is this bug repeatable?:

Yes Resolution:

Fixed

Uboot version or rev.:

Toolchain version or rev.:

gcc4.3-2010_Jan_22

App binary format:

N/A

Summary: Kernel xip failed to build due to strncpy calling memcpy in assembly

Details:

Kernel xip failed to build on BF527-EZKIT/BF526-EZBRD in latest trunk.

The bug appears some time between April 29th and May 7th.

LD vmlinux.o

MODPOST vmlinux.o

GEN .version

CHK include/generated/compile.h

UPD include/generated/compile.h

CC init/version.o

LD init/built-in.o

LD .tmp_vmlinux1

arch/blackfin/lib/lib.a(strncpy.o): In function `strncpy':

arch/blackfin/lib/strncpy.S:71: relocation truncated to fit: R_BFIN_PCREL24 against symbol `memset' defined in .text section in arch/blackfin/lib/lib.a(memset.o)

make[1]: *** [.tmp_vmlinux1] Error 1

make[1]: Leaving directory `/home/test/work/cruise/checkouts/uclinux-dist/linux-2.6.x'

make: *** [linux] Error 1

Follow-ups

--- Mike Frysinger 2010-05-11 01:50:23

the new arch/blackfin/lib/strncpy.S code needs to use pseudo_long_call with

memset rather than a direct CALL. but we need a free scratch register to JUMP

indirectly via ...

Robin gets to find it

--- Mike Frysinger 2010-05-15 20:47:38

the board is irrelevant

--- Robin Getz 2010-05-17 15:44:49

should be fixed in trunk.

-Robin

--- Vivi Li 2010-05-19 04:21:31

OK now, close it.

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