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Embed runtime header files in libbcc.so
To avoid installing header files needed by clang to disk (/usr/share/bcc), embed the files as strings inside the library and feed them to clang as memory buffers. The mechanism that we use to do this retains all of the existing features, as in one can still do `#include <bcc/helpers.h>`, even though it is redundant, and clang will pick up the embedded file. Fixes: iovisor#333 Signed-off-by: Brenden Blanco <[email protected]>
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Brenden Blanco
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Feb 18, 2016
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Original file line number | Diff line number | Diff line change |
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@@ -1,4 +1,2 @@ | ||
usr/include/bcc/* | ||
usr/lib/x86_64-linux-gnu/libbcc* | ||
usr/share/bcc/include/* | ||
usr/share/bcc/lib/* |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,42 @@ | ||
/* | ||
* Copyright (c) 2016 PLUMgrid, Inc. | ||
* | ||
* Licensed under the Apache License, Version 2.0 (the "License"); | ||
* you may not use this file except in compliance with the License. | ||
* You may obtain a copy of the License at | ||
* | ||
* http:https://www.apache.org/licenses/LICENSE-2.0 | ||
* | ||
* Unless required by applicable law or agreed to in writing, software | ||
* distributed under the License is distributed on an "AS IS" BASIS, | ||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
* See the License for the specific language governing permissions and | ||
* limitations under the License. | ||
*/ | ||
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#include "exported_files.h" | ||
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using std::map; | ||
using std::string; | ||
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namespace ebpf { | ||
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// c++11 feature for including raw string literals | ||
// see http:https://www.stroustrup.com/C++11FAQ.html#raw-strings | ||
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map<string, const char *> ExportedFiles::headers_ = { | ||
{ | ||
"/virtual/include/bcc/proto.h", | ||
#include "export/proto.h" | ||
}, | ||
{ | ||
"/virtual/include/bcc/helpers.h", | ||
#include "export/helpers.h" | ||
}, | ||
{ | ||
"/virtual/lib/clang/include/stdarg.h", | ||
#include "clang/include/stdarg.h" | ||
}, | ||
}; | ||
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} |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,30 @@ | ||
/* | ||
* Copyright (c) 2016 PLUMgrid, Inc. | ||
* | ||
* Licensed under the Apache License, Version 2.0 (the "License"); | ||
* you may not use this file except in compliance with the License. | ||
* You may obtain a copy of the License at | ||
* | ||
* http:https://www.apache.org/licenses/LICENSE-2.0 | ||
* | ||
* Unless required by applicable law or agreed to in writing, software | ||
* distributed under the License is distributed on an "AS IS" BASIS, | ||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
* See the License for the specific language governing permissions and | ||
* limitations under the License. | ||
*/ | ||
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#pragma once | ||
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#include <map> | ||
#include <string> | ||
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namespace ebpf { | ||
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class ExportedFiles { | ||
static std::map<std::string, const char *> headers_; | ||
public: | ||
static const std::map<std::string, const char *> & headers() { return headers_; } | ||
}; | ||
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} |
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