C++ (Cpp) jit_insn_call_indirect_vtable Examples

Example #1

File: JitInstanceMemberFunction.cpp Project: Masstronaut/phantom-cpp

void JitInstanceMemberFunction::compileVTableIndirectionFunction()
{
    m_jit_virtual_indirection_function = jit_function_create((jit_context_t)m_jit_context.context, toJitSignature(m_eAbi, getSignature()));
    o_assert(m_jit_virtual_indirection_function.function);
    jit_context_build_start((jit_context_t)m_jit_context.context);
    size_t argCount = getSignature()->getParameterCount()+1; // parameters+this
    jit_value_t* args = o_allocate_n(argCount, jit_value_t); 

    // The indirection has the same signature as the indirected one
    jit_value_t this_pointer = jit_value_get_param((jit_function_t)m_jit_virtual_indirection_function.function, 0);
    jit_value_t vtable_index = jit_value_create_nint_constant((jit_function_t)m_jit_virtual_indirection_function.function, jit_type_nuint, getInstanceMemberFunction()->getVirtualTableIndex());
    jit_value_t vtable_array = jit_insn_load_relative ((jit_function_t)m_jit_virtual_indirection_function.function, this_pointer, 0, jit_type_void_ptr);
    jit_value_t vtable_pointer = jit_insn_load_elem((jit_function_t)m_jit_virtual_indirection_function.function, vtable_array, vtable_index, jit_type_void_ptr);

    size_t i = 0;
    for(;i<argCount;++i)
    {
        args[i] = jit_value_get_param((jit_function_t)m_jit_virtual_indirection_function.function, i);
    }

    jit_insn_call_indirect_vtable ((jit_function_t)m_jit_virtual_indirection_function.function, vtable_pointer, jit_function_get_signature((jit_function_t)m_jit_function.function), args, argCount, 0);

    int result = jit_function_compile((jit_function_t)m_jit_virtual_indirection_function.function);
    o_assert(result != 0);
    
    jit_context_build_end((jit_context_t)m_jit_context.context);

    o_deallocate_n(args, argCount, jit_value_t);
}

Example #2

File: jit-plus-function.cpp Project: DragonL/YAC6xSim

jit_value jit_function::insn_call_indirect_vtable
	(const jit_value& value, jit_type_t signature,
 	 jit_value_t *args, unsigned int num_args, int flags)
{
	value_wrap(jit_insn_call_indirect_vtable
		(func, value.raw(), signature, args, num_args, flags));
}