[Bug ld/17306] New: ld aborts when linking with --just-symbols

[famcool at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=17306

            Bug ID: 17306
           Summary: ld aborts when linking with --just-symbols
           Product: binutils
           Version: 2.24
            Status: NEW
          Severity: normal
          Priority: P2
         Component: ld
          Assignee: unassigned at sourceware dot org
          Reporter: famcool at gmail dot com

I hit this error while I am building qemu-img with the source code from
qemu-project.org:

/usr/bin/ld: BFD (GNU Binutils) 2.24 internal error, aborting at
/build/binutils/src/binutils-2.24/bfd/elf64-x86-64.c line 3641 in
elf_x86_64_relocate_section

/usr/bin/ld: Please report this bug.

collect2: error: ld returned 1 exit status


My ld version:

$ ld --version
GNU ld (GNU Binutils) 2.24
Copyright 2013 Free Software Foundation, Inc.
This program is free software; you may redistribute it under the terms of
the GNU General Public License version 3 or (at your option) a later version.
This program has absolutely no warranty.

Command line: The below line, as a modified command from the one that would be
generated by QEMU's build system:

$ c++ -Werror -fPIE -DPIE -m64 -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64
-D_LARGEFILE_SOURCE -Wstrict-prototypes -Wredundant-decls -Wall -Wundef
-Wwrite-strings -Wmissing-prototypes -fno-strict-aliasing -fno-common
-Wno-error=deprecated-declarations  -Wendif-labels -Wmissing-include-dirs
-Wempty-body -Wnested-externs -Wformat-security -Wformat-y2k -Winit-self
-Wignored-qualifiers -Wold-style-declaration -Wold-style-definition
-Wtype-limits -fstack-protector-strong  -I/usr/include/p11-kit-1 
-I/usr/include/p11-kit-1    -I/usr/include/libpng16 
-I/usr/include/spice-server -I/usr/include/cacard -I/usr/include/nss
-I/usr/include/nspr -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include
-I/usr/include/pixman-1 -I/usr/include/spice-1  -I/usr/include/libusb-1.0  
-I/usr/include/pixman-1  -I/home/fam/qemu/dtc/libfdt -I/home/fam/qemu/tests -O2
-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -pthread -I/usr/include/glib-2.0
-I/usr/lib/glib-2.0/include  -pthread -I/usr/include/glib-2.0
-I/usr/lib/glib-2.0/include  -g  -Wl,--warn-common -Wl,-z,relro -Wl,-z,now -pie
-m64 -g -lrt  -o qemu-img qemu-img.o async.o thread-pool.o nbd.o block.o
blockjob.o main-loop.o iohandler.o qemu-timer.o aio-posix.o qemu-io-cmds.o
qemu-coroutine.o qemu-coroutine-lock.o qemu-coroutine-io.o
qemu-coroutine-sleep.o coroutine-ucontext.o block/raw_bsd.o block/cow.o
block/qcow.o block/vdi.o block/vmdk.o block/cloop.o block/dmg.o block/bochs.o
block/vpc.o block/vvfat.o block/qcow2.o block/qcow2-refcount.o
block/qcow2-cluster.o block/qcow2-snapshot.o block/qcow2-cache.o block/qed.o
block/qed-gencb.o block/qed-l2-cache.o block/qed-table.o block/qed-cluster.o
block/qed-check.o block/vhdx.o block/vhdx-endian.o block/vhdx-log.o
block/quorum.o block/parallels.o block/blkdebug.o block/blkverify.o
block/snapshot.o block/qapi.o block/raw-posix.o block/linux-aio.o block/nbd.o
block/nbd-client.o block/sheepdog.o block/nfs.o
-Wl,--just-symbols=block/iscsi.o libqemuutil.a libqemustub.a   -lz -laio -lm
-Wl,--export-dynamic -lgmodule-2.0 -pthread -lglib-2.0  -lgthread-2.0 -pthread
-lglib-2.0   -lz -lnfs  -lz -lcap-ng -lvdeplug -luuid -lgnutls  -lgnutls 
-lgnutls  -lSDL -lpthread  -lX11 -lvte -lgtk-x11-2.0 -lgdk-x11-2.0
-lpangocairo-1.0 -latk-1.0 -lgdk_pixbuf-2.0 -lpangoft2-1.0 -lpango-1.0
-lfontconfig -lfreetype -lgio-2.0 -lgobject-2.0 -lglib-2.0 -lcairo -lX11 -lXext
 -lgtk-x11-2.0 -lgdk-x11-2.0 -lpangocairo-1.0 -latk-1.0 -lcairo
-lgdk_pixbuf-2.0 -lgio-2.0 -lpangoft2-1.0 -lpango-1.0 -lgobject-2.0 -lglib-2.0
-lfontconfig -lfreetype  -lX11  -llzo2 -lsnappy -lseccomp  -lutil

The base command is from QEMU's build command:

"cd $QEMU_SRC; ./configure --enable-modules --target-list=x86_64-softmmu; make
qemu-img V=1".

It's the last command to actually link many objects, libraries and archives to
the executable qemu-img.

The only difference is the manually added "-Wl,--just-symbols=block/iscsi.o",
which I used here to try to fix the problem described in

http://lists.gnu.org/archive/html/qemu-devel/2014-08/msg03397.html

The purpose of this --just-symbols option, is to force qemu-img to include the
definition of function "qmp_query_uuid" with --just-symbols=block/iscsi.o.
Because block/iscsi.o references this symbol but qemu-img itself doesn't.

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