41 lines
1.0 KiB
C++
41 lines
1.0 KiB
C++
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#include <ucontext.h>
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#include <signal.h>
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#include <sys/signal.h>
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#include <machine/ucontext.h>
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#include <sys/_ucontext.h>
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#include <machine/fpu.h>
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namespace factor {
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inline static unsigned int uap_fpu_status(void *uap)
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{
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ucontext_t *ucontext = (ucontext_t *)uap;
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if (ucontext->uc_mcontext.mc_fpformat == _MC_FPFMT_XMM)
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{
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struct savefpu *xmm = (struct savefpu *)(&ucontext->uc_mcontext.mc_fpstate);
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return xmm->sv_env.en_sw | xmm->sv_env.en_mxcsr;
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}
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else
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return 0;
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}
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inline static void uap_clear_fpu_status(void *uap)
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{
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ucontext_t *ucontext = (ucontext_t *)uap;
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if (ucontext->uc_mcontext.mc_fpformat == _MC_FPFMT_XMM)
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{
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struct savefpu *xmm = (struct savefpu *)(&ucontext->uc_mcontext.mc_fpstate);
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xmm->sv_env.en_sw = 0;
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xmm->sv_env.en_mxcsr &= 0xffffffc0;
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}
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}
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#define UAP_STACK_POINTER(ucontext) (((struct sigcontext *)ucontext)->sc_rsp)
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#define UAP_PROGRAM_COUNTER(ucontext) (((struct sigcontext *)ucontext)->sc_rip)
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#define UAP_SET_TOC_POINTER(uap, ptr) (void)0
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#define UAP_STACK_POINTER_TYPE long
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static const unsigned JIT_FRAME_SIZE = 32;
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}
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