FreeBSD hardware watchpoint implementation

Description

FreeBSD hardware watchpoint implementation

Implement x86_64 debug register read/write in support of hardware
watchpoints. Hoist LinuxThread::TraceNotify code back into
POSIXThread::TraceNotify()

Patch by John Wolfe.

We still need to rework this later to avoid the #ifdef FreeBSD.

llvm-reviews.chandlerc.com/D2572
llvm.org/pr16706

Details

Committed
emasteFeb 19 2014, 10:34 AM
Parents
rL201705: Update decorator for test that still fails with FreeBSD Watchpoint support
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