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3 commits

Author SHA1 Message Date
Jake Burkholder
621136996a Add an alternate signal trampoline to libc; add a wrapper for the sigtramp 
install sysarch, to be called from _start.

This will allow the stack to be mapped non-executable, as required by the
sparc v9 abi.
 2002-04-29 18:14:44 +00:00
Jake Burkholder
3b16ee2c6c Fix wrong offsets. Add offsets for %fsr and %tstate. 
Submitted by:	tmm
 2002-02-23 19:01:22 +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