On May 26, 2006, at 8:52 PM, Eric Blossom wrote:
There's already a test in the usrp and gr-usrp code for this.
See configure.ac, AC_C_BIGENDIAN.
Yup, that works. I'll send diff's once I have confirmation that this
is the issue.
in test.asm (syntax could be wrong...)
.globl _start_test, _end_test
.align 16
_start_test:
.db 1
.align 4
_end_test:
Then use nm to extract the resulting symbol values, followed by some
python, etc to compute difference.
Yes, something like that, but '.align 16' is too big. sed could do
the trick too.
Even simpler would be:
+++++++++++++++++
.text
.globl _abc
.byte 1
.align 4
_abc:
+++++++++++++++++
Then:
gcc -c -o test.o test.S
nm test.o | grep abc | sed -e 's/.*\([0-9a-fA-F][0-9a-fA-F]\).*abc.*/
\1/'
the output of the NM pipe should be '10' or '16' for 'log' based and
something else (I think '04') for linear based. This works for me
(returns '10', which is in hex but that doesn't matter). Should be
pretty straight forward to stick in an m4 file. - MLD
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