> We are looking into porting some code to Linux on s/390 and > I will probably have to write a few assembler routines to > accomplish the port. I am looking for any documentation > available on the linkage conventions, register usage, etc. > in this environment.
You're probably looking for the ELF ABI documentation: http://oss.software.ibm.com/developerworks/opensource/linux390/docu/l390abi0.pdf
