linux-sgx-trts-modified/psw/urts/routine.cpp

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#include "enclave.h"
#include "routine.h"
#include "se_error_internal.h"
#include "xsave.h"

extern "C"
sgx_status_t sgx_ecall(const sgx_enclave_id_t enclave_id, const int proc, const void *ocall_table, void *ms)
{
    if(proc < 0)
        return SGX_ERROR_INVALID_FUNCTION;

    CEnclave* enclave = CEnclavePool::instance()->ref_enclave(enclave_id);

    //If we failed to reference enclave, there is no corresponding enclave instance, so we didn't increase the enclave.m_ref;
    if(!enclave)
        return SGX_ERROR_INVALID_ENCLAVE_ID;

    sgx_status_t result = SGX_ERROR_UNEXPECTED;
    {
        result = enclave->ecall(proc, ocall_table, ms);
    }
    {
        //This solution seems more readable and easy to validate, but low performace
        CEnclavePool::instance()->unref_enclave(enclave);
    }

    return result;
}

extern "C"
int sgx_ocall(const unsigned int proc, const sgx_ocall_table_t *ocall_table, void *ms, CTrustThread *trust_thread)
{
    assert(trust_thread != NULL);
    CEnclave* enclave = trust_thread->get_enclave();
    assert(enclave != NULL);
    return enclave->ocall(proc, ocall_table, ms);
}