Hi Zhigang,
sorry i forgot to attach the file. Now attach the tar ball.
Unfortunately you sent this huge attachment to the entire binutils
mailing list, not just me. In the future please try not to do this. If
you cannot create a small test case then please either just send the
large test case only to the people who specifically request it, or else
make it available via FTP or HTTP download.
Anyway I downloaded the tarball, built a new mipsel-elf toolchain and
tried to reproduce your problem. Unfortunately although I could build
the executable the piofree_handle variable was correctly aligned:
% grep piofree_handle fred.map
piofree_handle 0x4 extras.o
0x000000008090b490 piofree_handle
By the way have you tried using objdump to verify that the
piofree_handle is misaligned and that the bug is not just in the
addresses being reported in the map file ?
% objdump --syms fred | grep piofree_handle
8090b490 g O .sbss 00000004 piofree_handle
I was using a toolchain built from yesterday's gcc and binutils sources.
Since you say that you have reproduced this problem using an 050907
set of the binutils sources I can only conclude that either:
* The bug is in binutils and it has been fixed in the last few days.
* The bug is in the libgcc.a, libc.a or libsupc++.a libraries that
are included via the target.ld script. Have you tried rebuilding these
libraries ?
* The bug is connected with the host machine being used to run the
toolchain. I was using a x86 box with Red Hat Enterprise Linux rel 3
installed on it and a host compiler which was a gcc 3.4 clone released
by Red Hat called "GNUPro 04r2-2".
Cheers
Nick
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