http://sourceware.org/bugzilla/show_bug.cgi?id=13362
Bug #: 13362
Summary: internal error in value_from_output_section, at
../../gold/reloc.cc:1549 on armel
Product: binutils
Version: 2.23 (HEAD)
Status: NEW
Severity: normal
Priority: P2
Component: gold
AssignedTo: i...@airs.com
ReportedBy: jrnie...@gmail.com
CC: ccout...@google.com, dougk...@google.com
Classification: Unclassified
Created attachment 6042
--> http://sourceware.org/bugzilla/attachment.cgi?id=6042
kernel module generated with systemtap 1.6-1
Hi,
Timo Lindfors found that running "ld.gold -r -o typequery_kmod_8.ko
typequery_kmod_8.o" with this object file on his openmoko and on his marvell
development board (which are ARMv4 and v5, respectively) produces
ld.gold: internal error in value_from_output_section, at
../../gold/reloc.cc:1549
Just like PR12771, it's reproducible with real hardware but not on qemu
(since qemu doesn't emulate misaligned accesses with a trap or rotation).
Timo checked that the testcase from PR12771 still isn't causing trouble,
so this is a distinct bug.
Tests so far have been with version 2.21.90.20111025-1 from Debian sid.
After running "echo 5 >/proc/cpu/alignment", it dies with SIGBUS instead.
So we can get a backtrace:
#0 rel<32> at gold/i386.cc:3632
#1 rel32 at gold/reloc.h:559
#2 gold::relocate_for_relocatable<32, false, 9> at gold/target-reloc.h:784
#3 gold::Sized_relobj_file<32, false>::do_relocate_sections at
gold/reloc.cc:1027
#4 (anonymous namespace)::Arm_relobj<false>::do_relocate_sections at
gold/arm.cc:6452
#5 relocate_sections at gold/object.h:2337
#6 gold::Sized_relobj_file<32, false>::do_relocate at gold/reloc.cc:670
#7 relocate at gold/object.h:1074
#8 gold::Relocate_task::run at gold/reloc.cc:239
#9 gold::Workqueue::find_and_run_task at gold/workqueue.cc:319
Details, including a fuller backtrace, are at http://bugs.debian.org/647049
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