2 #include <machine/fpu.h>
7 inline static void *ucontext_stack_pointer(void *uap)
9 ucontext_t *ucontext = (ucontext_t *)uap;
10 return (void *)ucontext->uc_mcontext.mc_rsp;
13 inline static unsigned int uap_fpu_status(void *uap)
15 ucontext_t *ucontext = (ucontext_t *)uap;
16 if (ucontext->uc_mcontext.mc_fpformat == _MC_FPFMT_XMM)
18 struct savefpu *xmm = (struct savefpu *)(&ucontext->uc_mcontext.mc_fpstate);
19 return xmm->sv_env.en_sw | xmm->sv_env.en_mxcsr;
25 inline static void uap_clear_fpu_status(void *uap)
27 ucontext_t *ucontext = (ucontext_t *)uap;
28 if (ucontext->uc_mcontext.mc_fpformat == _MC_FPFMT_XMM)
30 struct savefpu *xmm = (struct savefpu *)(&ucontext->uc_mcontext.mc_fpstate);
31 xmm->sv_env.en_sw = 0;
32 xmm->sv_env.en_mxcsr &= 0xffffffc0;
36 #define UAP_PROGRAM_COUNTER(ucontext) (((ucontext_t *)(ucontext))->uc_mcontext.mc_rip)