linux-sgx-trts-modified/SampleCode/SampleEnclave/App/Edger8rSyntax/Arrays.cpp

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#include "../App.h"
#include "Enclave_u.h"

/* edger8r_array_attributes:
 *   Invokes ECALLs declared with array attributes.
 */
void edger8r_array_attributes(void)
{
    sgx_status_t ret = SGX_ERROR_UNEXPECTED;

    /* user_check */
    int arr1[4] = {0, 1, 2, 3};
    ret = ecall_array_user_check(global_eid, arr1);
    if (ret != SGX_SUCCESS)
        abort();

    /* make sure arr1 is changed */
    for (int i = 0; i < 4; i++)
        assert(arr1[i] == (3 - i));

    /* in */
    int arr2[4] = {0, 1, 2, 3};
    ret = ecall_array_in(global_eid, arr2);
    if (ret != SGX_SUCCESS)
        abort();
    
    /* arr2 is not changed */
    for (int i = 0; i < 4; i++)
        assert(arr2[i] == i);
    
    /* out */
    int arr3[4] = {0, 1, 2, 3};
    ret = ecall_array_out(global_eid, arr3);
    if (ret != SGX_SUCCESS)
        abort();
    
    /* arr3 is changed */
    for (int i = 0; i < 4; i++)
        assert(arr3[i] == (3 - i));
    
    /* in, out */
    int arr4[4] = {0, 1, 2, 3};
    ret = ecall_array_in_out(global_eid, arr4);
    if (ret != SGX_SUCCESS)
        abort();
    
    /* arr4 is changed */
    for (int i = 0; i < 4; i++)
        assert(arr4[i] == (3 - i));
    
    /* isary */
    array_t arr5 = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
    ret = ecall_array_isary(global_eid, arr5);
    if (ret != SGX_SUCCESS)
        abort();
    
    /* arr5 is changed */
    for (int i = 0; i < 10; i++)
        assert(arr5[i] == (9 - i));
}