commit bc27e030834ccf1dc91bd4bba5a4a187c165ac64
Author: Matthew Dillon <[email protected]>
Date: Fri Dec 25 13:56:01 2015 -0800
libc - fix getcontext bug from last commit
* getcontext() should not save the FP state (which is all scratch),
and was already setting the flags to indicate such, but still calling
the xsave instruction.
Remove the xsave instruction, fixing issues on numerous computers.
* Note that setcontext() will properly restore the FP state if the context
contains valid FP state (i.e. the ucontext was taken from a signal handler
argument).
Reported-by: YRabbit
Summary of changes:
lib/libc/x86_64/sys/getcontext.S | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/bc27e030834ccf1dc91bd4bba5a4a187c165ac64
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DragonFly BSD source repository
