Re: Binutils v2.21.1a ARM mrs disassembler.

[Matthew Gretton-Dann]

On Wed, May 09, 2012 at 05:14:56PM +0100, Bill Pringlemeir wrote:
> 
> I have issues decoding 'mrs sp,spsr' with objdump for an ARM target.
> 
> 00000000 <irq_handler>:
>    0:   e14fd000        .word   0xe14fd000
> 
> I only pass '--disassemble'.  The objdump was built with
> 'crosstool-ng'.  Here are my configure args.
> 
> [INFO ]  Installing binutils
> [EXTRA]    Configuring binutils
> [DEBUG]    Extra config passed: '--enable-ld=default --enable-gold=yes
> --enable-plugins --with-pkgversion=crosstool-NG hg+-c7fa97debb36
> --disable-multilib --disable-nls'
> [DEBUG]    ==> Executing: 'CFLAGS= -pipe ' 'CXXFLAGS= -pipe '
> '/home/bpringlemeir/crosstool-arm-4.6.3/.build/src/binutils-2.21.1a/configure'
> '--build=x86_64-build_unknown-linux-gnu'
> '--host=x86_64-build_unknown-linux-gnu'
> '--target=arm-none-linux-gnueabi'
> '--prefix=/home/bpringlemeir/x-tools/arm-none-linux-gnueabi'
> '--disable-werror' '--enable-ld=default' '--enable-gold=yes'
> '--enable-plugins' '--with-pkgversion=crosstool-NG hg+-c7fa97debb36'
> '--disable-multilib' '--disable-nls' '--with-float=soft'
> '--with-sysroot=/home/bpringlemeir/x-tools/arm-none-linux-gnueabi/arm-none-linux-gnueabi/sysroot'
>  
> 
> Here is objdump --version...
> 
>    GNU objdump (crosstool-NG hg+-c7fa97debb36) 2.21.1
>    Copyright 2011 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) any
>    later version.  This program has absolutely no warranty.
> 

I cannot reproduce this behaviour with binutils built from plain FSF
sources.

Can you please provide a small test case showing the source passed into the
assembler; how the assembler is invoked; and how objdump is invoked on the
assembler's output?

Thanks,

Matt

-- 
Matthew Gretton-Dann
Principal Engineer, PD Software, ARM Ltd.