It looks like the data section goes from left to right.
And the ascii goes from right to left!!
There is a space character at the begin of the string.
Robert Bon
Tim Wade wrote:
> Sorry I didn't explain that very well -- this snippet of data explains
> the problem better!
>
> 0x00001150 36323a39 353a3431 202c3330 30322036 6 2003, 14:59:26
> 0x00001160 ff80d0f2 0036ff80 d0f21204 12050000 ..........6.....
> 0x00001170 41304135 41340035 ffc2007f 407f0035 5...@...5.4a5a0a
>
> If you look at the top line the ascii is fine but the data section goes
> from left to right! The data address of 0x1150e is 0x20, a space (' ')
> character, but there is no space character in the last 8 bytes of the
> string... Maybe the endian-ness is 64 bits?
>
> Also get this for a data section:
>
> Hex dump of section '.data':
> 0x00000200 00000078 00002638 00000000 00fe0000 ........8&..x...
> 0x00000210 00000000 00000000 00000000 00000000 ................
> 0x00000220 00000000 00000000 00000f00 00000000 ................
> 0x00000230 00010000 00000000 00000000 00000000 ................
> 0x00000240 413023fe 831f4130 0A...#0A
>
> Note at the end the data section is right justified but the ascii
> section is left. Is this correct?
>
> Sorry to be so irritating but I want to write a script to pull some
> information out of the built file for production purposes and it is a
> bit hard getting it all to hang toghter...
>
> Thanks
> Tim
>
> > -----Original Message-----
> > From: Chris Liechti [mailto:cliec...@gmx.net]
> > Sent: Friday, 17 October 2003 2:25 AM
> > To: mspgcc-users@lists.sourceforge.net
> > Subject: Re: [Mspgcc-users] Something odd in msp430-readelf
> >
> >
> > Tim Wade wrote:
> > > Hi I was using the msp430-readelf program to check a few things and
> > > noticed that if you do a --hex-dump=? Then you get the expected hex
> > > dump but the hex values on the left seem to be back to
> > front.... For
> > > example:
> > >
> > > Hex dump of section '.text':
> > > 0x00001100 403d0200 403e5256 403f0120 5a8040b2 ....@.z ....@vr>@..=@
> > > 0x00001110 2bfb9d0e 531e0000 4ffe2405 9e0d024c L....$.O...S...+
> > >
> > > The string bit on the right seems to be correct but if you Look
> > > carefully at the hex values you will notice that they are
> > Flipped left
> > > to right ie in our case the hex value of 0x40 should Be at address
> > > 0x110f NOT 0x1100
> > >
> > > This wouldn't appear to be correct?
> >
> > thats fine. look up the difference between "little endian" and "big
> > endian" byte order. the MSP430 is little endian.
> >
> > a hex dump with byte swapped 32bit ints doesnt make much
> > sense for the
> > MSP430, but if you switch the output format to 16bit ints,
> > its the same
> > as the processor sees when accessing 16bit values. i'm sure
> > you can also
> > switch to a eight bit hex dump, which would show the bytes in
> > the same
> > order as the ascii dump on the right.
> >
> > chris
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