Compiling Device Drivers for AIX 3.1
Steve DeJarnett
steve at panews.awdpa.ibm.com
Wed Mar 27 04:04:37 AEST 1991
In article <39757 at netnews.upenn.edu> massa at eniac.seas.upenn.edu (Michael Massa ) writes:
>Does anyone know the correct "ld" options for linking a device driver?
cc -o yourdd yourdd.o -eyour_entrypoint -bimport:/lib/kernex.exp
-bimport:/lib/syscalls.exp -lsys -lcsys
Note that this should all be on the same line.
>Anytime I access autoinitialized global variables or use a string constant
>in my code, I generate an instruction storage interrupt. I suspect I'm
>linking wrong. Thanks.
You were probably getting a libc routine instead of the corresponding
kernel-mode routine. This sounds very familiar. Everyone I know has had this
happen at least once during driver development.
Hope that helps,
Steve DeJarnett Internet: steve at ibmpa.awdpa.ibm.com
IBM PSP Palo Alto UUCP: uunet!ibmpa.awdpa.ibm.com!steve
(415) 855-3510 IBM VNET: dejarnet at ausvmq
These opinions are my own. I doubt IBM wants them.......
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