Ed Maste 5a16cfaeb6 Avoid writing uninitialized stack data into a thread's MMX/SSE state by ... first getting the current state with td_thr_getxmmregs_p. Without this, debugging a threaded app that uses libthr resulted in kernel panics or spurious SIGFPEs for me. (As of revision 1.6, sys/i386/i386/ptrace_machdep.c masks off the reserved bits in the mxcsr register, which prevents the kernel panics.) Architectures without PT_GETXMMREGS are not affected. MFC after: 1 week		2007-02-20 18:10:13 +00:00
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fbsd-threads.c
frame-unwind.diff
Makefile