4.4BSD snapshot (revision 8.1); add 1993 to copyright

new copyright; att/bsd/shared

Add copyright

changes from donn@utah-cs for common header file for pcc

synchronize to version 2

Restoring to unlinted version

The changes were made to allow successful linting

clean up temporary allocation, moving everything relevant to
tmps.c and (new) tmps.h. correctly emit LBRAC lines. allocate registers
from high to low. put in data structures for multiple types of

clean up temporary allocation, moving everything relevant to
tmps.c and (new) tmps.h. correctly emit LBRAC lines. allocate registers
from high to low. put in data structures for multiple types of registers.

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complain in segend() when trying to compile with -z (ie for pxp counters).

add "pxp" counter to external routines, in case they are locally resolved.

add storage classes to namelist, and use them.

check for syntax error before panicing

add temporary register allocation

centralize temporary allocation in tmps.c

break out funchdr and funcend

put back id keywords which inadvertently got lost...

merge in onyx changes

change name size count to entire header size count

allow runtime tests to be dynamically changed at routine entry/exit

get sdb stabs into the right places. use nm -ap for details.

change ``ZFRAME'' to ``blkclr''

convert to "fp", "ap" type display; fix SUCC and PRED

modify to allow use of px written in `C' and the use of libpc

add warnings for extensions to language

round up size of arguments for NARGCHK call.