3 Commits

Author	SHA1	Message	Date
Thomas Moestl	9300cb7db7	Save/restore the %y register around calls to the C user trap handler; ... gcc emits the deprecated sparc v8 instructions that use this register when optimizing for UltraSparc machines because they are apparetly faster then their v9 counterpars there.	2002-03-11 02:53:03 +00:00
Jake Burkholder	d1497824f0	Add space for %fsr and %tstate to utrapframe. Save them in the generic ... user trap entry code. Restore %asi and %ccr from the saved %tstate before returning to the trapping user code. Submitted by: tmm	2002-02-23 19:00:30 +00:00
Jake Burkholder	6ce4e876a7	Add libc side of user trap handling. ... Add support for handling floating point disabled traps mostly in userland for the simple single threaded case. Not yet enabled by default. Implement __sparc_utrap_install as specified by the sparc abi.	2002-01-01 21:58:32 +00:00