38 lines
1.1 KiB
C++
38 lines
1.1 KiB
C++
#include <ucontext.h>
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namespace factor
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{
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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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return ucontext->uc_mcontext.fpregs->swd
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| ucontext->uc_mcontext.fpregs->mxcsr;
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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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ucontext->uc_mcontext.fpregs->swd = 0;
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ucontext->uc_mcontext.fpregs->mxcsr &= 0xffffffc0;
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}
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#define UAP_STACK_POINTER(ucontext) (((ucontext_t *)ucontext)->uc_mcontext.gregs[15])
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#define UAP_PROGRAM_COUNTER(ucontext) (((ucontext_t *)ucontext)->uc_mcontext.gregs[16])
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#define UAP_SET_TOC_POINTER(uap, ptr) (void)0
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#define CODE_TO_FUNCTION_POINTER(code) (void)0
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#define CODE_TO_FUNCTION_POINTER_CALLBACK(vm, code) (void)0
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#define FUNCTION_CODE_POINTER(ptr) ptr
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#define FUNCTION_TOC_POINTER(ptr) ptr
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#define UAP_STACK_POINTER_TYPE greg_t
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/* Must match the leaf-stack-frame-size, signal-handler-stack-frame-size,
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and stack-frame-size constants in basis/cpu/x86/64/unix/bootstrap.factor */
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static const unsigned LEAF_FRAME_SIZE = 16;
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static const unsigned SIGNAL_HANDLER_STACK_FRAME_SIZE = 160;
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static const unsigned JIT_FRAME_SIZE = 32;
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}
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