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gas misbehavior in binutils-2.16.1 for sh4 target and --enable-shared
- From: Mike Frysinger <vapier at gentoo dot org>
- To: binutils at sources dot redhat dot com
- Date: Wed, 24 Aug 2005 19:53:14 -0400
- Subject: gas misbehavior in binutils-2.16.1 for sh4 target and --enable-shared
while debugging a gcc issue, i noticed that `file` was giving me varying
results; turns out that it was due to configuring binutils-2.16.1 with
--enable-shared. binutils-2.15 works as expected, so i'm inclined to think it
a bug :). the other quirky thing is readelf shows different Flags in the ELF
header ...
using vanilla binutils-2.16.1 and binutils-2.15 on an amd64 host, i ran:
./configure --target=sh4-linux --enable-shared
make
touch test.s
./gas/as-new test.s -o test.o
file test.o
./binutils/readelf -h test.o | grep Flags
binutils-2.16.1 with --enabled-shared:
test.o: ELF 32-bit LSB relocatable, Hitachi SH, version 1 (SYSV), not stripped
Flags: 0x19, unknown ISA
binutils-2.16.1 without --enabled-shared:
binutils-2.15 with --enabled-shared:
test.o: ELF 32-bit LSB relocatable, Hitachi SH, version 1 MathCoPro/FPU/MAU
Required (SYSV), not stripped
Flags: 0x1, sh1
running through strace shows that the correct libbfd.so is being loaded,
libbfd-2.16.1.so from ./bfd/.libs/x86_64/libbfd-2.16.1.so ... so what
gives ? :)
for reference, i tested a few different versions ... 2.15.92.0.2 and
2.16.91.0.3 also have this odd behavior ...
-mike