corda/SampleCode/SampleEnclave/Enclave/Edger8rSyntax/Arrays.cpp
Angie Chinchilla 9441de4c38 Initial release of Intel SGX for Linux.
This release is used in conjunction with the linux-sgx-driver Intial release:
https://github.com/01org/linux-sgx-driver
commit-id: 0e865ce5e6b297a787bcdc12d98bada8174be6d7

Intel-id: 33399

Signed-off-by: Angie Chinchilla <angie.v.chinchilla@intel.com>
2016-06-23 18:51:53 -04:00

103 lines
3.2 KiB
C++

/*
* Copyright (C) 2011-2016 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 Array Attributes */
#include "sgx_trts.h"
#include "../Enclave.h"
#include "Enclave_t.h"
/* ecall_array_user_check:
* [user_check] parameter does not perfrom copy operations.
*/
void ecall_array_user_check(int arr[4])
{
if (sgx_is_outside_enclave(arr, 4 * sizeof(int)) != 1)
abort();
for (int i = 0; i < 4; i++) {
assert(arr[i] == i);
arr[i] = 3 - i;
}
}
/* ecall_array_in:
* arr[] is copied to trusted domain, but modified
* results will not be reflected to the untrusted side.
*/
void ecall_array_in(int arr[4])
{
for (int i = 0; i < 4; i++) {
assert(arr[i] == i);
arr[i] = (3 - i);
}
}
/* ecall_array_out:
* arr[] is allocated inside the enclave, and it will be copied
* to the untrusted side
*/
void ecall_array_out(int arr[4])
{
for (int i = 0; i < 4; i++) {
/* arr is not copied from App */
assert(arr[i] == 0);
arr[i] = (3 - i);
}
}
/* ecall_array_in_out:
* arr[] will be allocated inside the enclave, content of arr[] will be copied either.
* After ECALL returns, the results will be copied to the outside.
*/
void ecall_array_in_out(int arr[4])
{
for (int i = 0; i < 4; i++) {
assert(arr[i] == i);
arr[i] = (3 - i);
}
}
/* ecall_array_isary:
* [isary] tells Edger8r that user defined 'array_t' is an array type.
*/
void ecall_array_isary(array_t arr)
{
if (sgx_is_outside_enclave(arr, sizeof(array_t)) != 1)
abort();
int n = sizeof(array_t)/sizeof(arr[0]);
for (int i = 0; i < n; i++) {
assert(arr[i] == i);
arr[i] = (n - 1 - i);
}
}