dc4daa010a
If embedded python modules are going to be built into other binaries, then they can't depend on other parts of gem5. Change-Id: I4e12f1962cb6330e70866a40388689102c23693a Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/49420 Maintainer: Gabe Black <gabe.black@gmail.com> Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Tested-by: kokoro <noreply+kokoro@google.com>
114 lines
3.8 KiB
C++
114 lines
3.8 KiB
C++
/*
|
|
* Copyright (c) 2012, 2017 ARM Limited
|
|
* All rights reserved
|
|
*
|
|
* The license below extends only to copyright in the software and shall
|
|
* not be construed as granting a license to any other intellectual
|
|
* property including but not limited to intellectual property relating
|
|
* to a hardware implementation of the functionality of the software
|
|
* licensed hereunder. You may use the software subject to the license
|
|
* terms below provided that you ensure that this notice is replicated
|
|
* unmodified and in its entirety in all distributions of the software,
|
|
* modified or unmodified, in source code or in binary form.
|
|
*
|
|
* Copyright (c) 2000-2005 The Regents of The University of Michigan
|
|
* Copyright (c) 2008 The Hewlett-Packard Development Company
|
|
* 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 the copyright holders 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.
|
|
*/
|
|
|
|
#include "pybind11/embed.h"
|
|
|
|
#include "python/embedded.hh"
|
|
|
|
#include <zlib.h>
|
|
|
|
#include <cstdlib>
|
|
#include <iostream>
|
|
#include <list>
|
|
|
|
namespace py = pybind11;
|
|
|
|
namespace gem5
|
|
{
|
|
|
|
EmbeddedPython::EmbeddedPython(const char *abspath, const char *modpath,
|
|
const unsigned char *code, int zlen, int len)
|
|
: abspath(abspath), modpath(modpath), code(code), zlen(zlen), len(len)
|
|
{
|
|
getList().push_back(this);
|
|
}
|
|
|
|
std::list<EmbeddedPython *> &
|
|
EmbeddedPython::getList()
|
|
{
|
|
static std::list<EmbeddedPython *> the_list;
|
|
return the_list;
|
|
}
|
|
|
|
/*
|
|
* Uncompress and unmarshal the code object stored in the
|
|
* EmbeddedPython
|
|
*/
|
|
py::object
|
|
EmbeddedPython::getCode() const
|
|
{
|
|
Bytef marshalled[len];
|
|
uLongf unzlen = len;
|
|
int ret = uncompress(marshalled, &unzlen, (const Bytef *)code, zlen);
|
|
if (ret != Z_OK) {
|
|
std::cerr << "Could not uncompress code: " << zError(ret) << std::endl;
|
|
std::abort();
|
|
}
|
|
assert(unzlen == (uLongf)len);
|
|
|
|
auto marshal = py::module_::import("marshal");
|
|
return marshal.attr("loads")(py::bytes((char *)marshalled, len));
|
|
}
|
|
|
|
bool
|
|
EmbeddedPython::addModule() const
|
|
{
|
|
auto importer = py::module_::import("importer");
|
|
importer.attr("add_module")(abspath, modpath, getCode());
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
* Load and initialize all of the python parts of M5.
|
|
*/
|
|
int
|
|
EmbeddedPython::initAll()
|
|
{
|
|
// Load the embedded python files into the embedded python importer.
|
|
for (auto *embedded: getList()) {
|
|
if (!embedded->addModule())
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
} // namespace gem5
|