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89 lines
3.1 KiB
Plaintext
89 lines
3.1 KiB
Plaintext
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/*
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* Copyright (C) 2011-2016 Intel Corporation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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/* Functions.edl - Samples for function attributes. */
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enclave {
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/*
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* Following keywords/attributes are supported for untrusted functions:
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* cdecl, stdcall, fastcall, dllimport (only for Windows).
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* [public] is only supported for the trusted functions.
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* Trusted function will be treated as [private] w/o the [public].
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*/
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trusted {
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public void ecall_function_calling_convs(void);
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/*
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* [public]:
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* public ECALL can be called directly in App.
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*/
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public void ecall_function_public(void);
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/*
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* [private]:
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* private ECALL cannot be called directly in App.
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*/
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int ecall_function_private(void);
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};
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untrusted {
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/*
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* [cdecl]:
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* tells edger8r the calling convention of the OCALLs is 'cdecl'.
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* [dllimport]:
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* indicats the OCALL is provided in DLLs.
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*
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* Note: memccpy() is provided by MS system DLL, we don't need to implement it in App side.
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*/
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[cdecl, dllimport] void *memccpy([in, out, size=len] void *dest, [in, size=len] const void *src, int val, size_t len);
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/*
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* [allow]:
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* OCALL 'ocall_function_allow' can invoke ECALL 'ecall_function_private' in App side.
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*
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* Note: No ECALL can be called in OCALL w/o [allow].
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*/
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void ocall_function_allow(void) allow(ecall_function_private);
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};
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};
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