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  2. C400-L
  3. November 2004

ABI/call-stack information from within an ILE/C program

Is there any documentation or explanation of the Application Binary Interface (ABI), or equivalent, when in native mode (non-PASE)?

I want to be able to determine how parameters are passed and where they are located in memory when one C function calls another (a "static procedure call", I believe) which would cover both intra-program calls and inter-program (*PGM to *SVRPGM) calls.

The V5R3 ILE Concepts manual explains the use of call stacks which is how it all appears to happen, but there doesn't seem to be a way to access these directly from within C.

I'm using teraspace-enabled programs so pointers are 8-bytes rather than 16-byte tagged pointers, if that matters.


Regards,
Peter Colson.


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