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- /*
- * Copyright (C) 2011-2018 Intel Corporation. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
- /* Test Basic Types */
- #include "sgx_trts.h"
- #include "../Enclave.h"
- #include "Enclave_t.h"
- #include <limits>
- #include <cmath>
- /* used to eliminate `unused variable' warning */
- #define UNUSED(val) (void)(val)
- #define ULP 2
- /* used to compare double variables in order to avoid compile warnings */
- bool almost_equal(double x, double y)
- {
- /* the machine epsilon has to be scaled to the magnitude of the larger value
- and multiplied by the desired precision in ULPs (units in the last place) */
- return std::abs(x-y) <= std::numeric_limits<double>::epsilon() * std::abs(x+y) * ULP;
- }
- /* used to compare double variables in order to avoid compile warnings */
- bool almost_equal(float x, float y)
- {
- /* the machine epsilon has to be scaled to the magnitude of the larger value
- and multiplied by the desired precision in ULPs (units in the last place) */
- return std::abs(x-y) <= std::numeric_limits<float>::epsilon() * std::abs(x+y) * ULP;
- }
- /* ecall_type_char:
- * [char] value passed by App.
- */
- void ecall_type_char(char val)
- {
- assert(val == 0x12);
- #ifndef DEBUG
- UNUSED(val);
- #endif
- }
- /* ecall_type_int:
- * [int] value passed by App.
- */
- void ecall_type_int(int val)
- {
- assert(val == 1234);
- #ifndef DEBUG
- UNUSED(val);
- #endif
- }
- /* ecall_type_float:
- * [float] value passed by App.
- */
- void ecall_type_float(float val)
- {
- assert(almost_equal(val, (float)1234.0));
- #ifndef DEBUG
- UNUSED(val);
- #endif
- }
- /* ecall_type_double:
- * [double] value passed by App.
- */
- void ecall_type_double(double val)
- {
- assert(almost_equal(val, (double)1234.5678));
- #ifndef DEBUG
- UNUSED(val);
- #endif
- }
- /* ecall_type_size_t:
- * [size_t] value passed by App.
- */
- void ecall_type_size_t(size_t val)
- {
- assert(val == (size_t)12345678);
- #ifndef DEBUG
- UNUSED(val);
- #endif
- }
- /* ecall_type_wchar_t:
- * [wchar_t] value passed by App.
- */
- void ecall_type_wchar_t(wchar_t val)
- {
- assert(val == (wchar_t)0x1234);
- #ifndef DEBUG
- UNUSED(val);
- #endif
- }
- /* ecall_type_struct:
- * struct_foo_t is defined in EDL and can be used in ECALL.
- */
- void ecall_type_struct(struct struct_foo_t val)
- {
- assert(val.struct_foo_0 == 1234);
- assert(val.struct_foo_1 == 5678);
- #ifndef DEBUG
- UNUSED(val);
- #endif
- }
- /*
- * ecall_type_enum_union:
- * enum_foo_t/union_foo_t is defined in EDL
- * and can be used in ECALL.
- */
- void ecall_type_enum_union(enum enum_foo_t val1, union union_foo_t *val2)
- {
- if (sgx_is_outside_enclave(val2, sizeof(union union_foo_t)) != 1)
- abort();
- val2->union_foo_0 = 1;
- val2->union_foo_1 = 2; /* overwrite union_foo_0 */
- assert(val1 == ENUM_FOO_0);
- #ifndef DEBUG
- UNUSED(val1);
- #endif
- }
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