Hi Dan,
The standard ALPHA_MAGIC number is 0x183.
However, the DEC C and C++ compilers can generate compressed binary
files, whose magic number will be 0x188.
Ah ha!
An alternative would be to use the 'objZ -u' command to uncompress the
.o file. Presumably, this could be done automatically from within the
BFD library.
Hmm - this might be tricky. What if the objZ program is not available ?
What if I am running on a non-DEC ALPHA host and I want to examine/use
object files created in this compressed format ? Is the compression
scheme used by DEC documented ? Is there source code available for it ?
I think that the simplest change we could make would be to have BFD
detect object files with a magic number of 0x188 and then have it issue
an error message along the lines of "please decompress this file before
passing it to BFD". What do you think ?
Cheers
Nick
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