]>
Commit | Line | Data |
---|---|---|
223e47cc LB |
1 | //===-- Interpreter.h - Abstract Execution Engine Interface -----*- C++ -*-===// |
2 | // | |
3 | // The LLVM Compiler Infrastructure | |
4 | // | |
5 | // This file is distributed under the University of Illinois Open Source | |
6 | // License. See LICENSE.TXT for details. | |
7 | // | |
8 | //===----------------------------------------------------------------------===// | |
9 | // | |
10 | // This file forces the interpreter to link in on certain operating systems. | |
11 | // (Windows). | |
12 | // | |
13 | //===----------------------------------------------------------------------===// | |
14 | ||
970d7e83 LB |
15 | #ifndef LLVM_EXECUTIONENGINE_INTERPRETER_H |
16 | #define LLVM_EXECUTIONENGINE_INTERPRETER_H | |
223e47cc LB |
17 | |
18 | #include "llvm/ExecutionEngine/ExecutionEngine.h" | |
19 | #include <cstdlib> | |
20 | ||
21 | extern "C" void LLVMLinkInInterpreter(); | |
22 | ||
23 | namespace { | |
24 | struct ForceInterpreterLinking { | |
25 | ForceInterpreterLinking() { | |
26 | // We must reference the interpreter in such a way that compilers will not | |
27 | // delete it all as dead code, even with whole program optimization, | |
28 | // yet is effectively a NO-OP. As the compiler isn't smart enough | |
29 | // to know that getenv() never returns -1, this will do the job. | |
30 | if (std::getenv("bar") != (char*) -1) | |
31 | return; | |
32 | ||
33 | LLVMLinkInInterpreter(); | |
34 | } | |
35 | } ForceInterpreterLinking; | |
36 | } | |
37 | ||
38 | #endif |