42 lines
1.4 KiB
C++
42 lines
1.4 KiB
C++
#include "master.hpp"
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namespace factor {
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void factor_vm::c_to_factor(cell quot) {
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/* First time this is called, wrap the c-to-factor sub-primitive inside
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of a callback stub, which saves and restores non-volatile registers
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per platform ABI conventions, so that the Factor compiler can treat
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all registers as volatile */
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if (!c_to_factor_func) {
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tagged<word> c_to_factor_word(special_objects[C_TO_FACTOR_WORD]);
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code_block* c_to_factor_block = callbacks->add(c_to_factor_word.value(), 0);
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cell func = c_to_factor_block->entry_point();
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CODE_TO_FUNCTION_POINTER_CALLBACK(this, func);
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c_to_factor_func = (c_to_factor_func_type) func;
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}
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c_to_factor_func(quot);
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}
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void factor_vm::unwind_native_frames(cell quot, cell to) {
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tagged<word> entry_point_word(special_objects[UNWIND_NATIVE_FRAMES_WORD]);
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cell func = entry_point_word->entry_point;
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CODE_TO_FUNCTION_POINTER(func);
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((unwind_native_frames_func_type) func)(quot, to);
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}
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cell factor_vm::get_fpu_state() {
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tagged<word> entry_point_word(special_objects[GET_FPU_STATE_WORD]);
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cell func = entry_point_word->entry_point;
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CODE_TO_FUNCTION_POINTER(func);
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return ((get_fpu_state_func_type) func)();
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}
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void factor_vm::set_fpu_state(cell state) {
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tagged<word> entry_point_word(special_objects[SET_FPU_STATE_WORD]);
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cell func = entry_point_word->entry_point;
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CODE_TO_FUNCTION_POINTER(func);
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((set_fpu_state_func_type) func)(state);
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}
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}
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