src/rustllvm/rustllvm.h

   1 // Copyright 2013 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 #include "llvm-c/BitReader.h"
  12 #include "llvm-c/Core.h"
  13 #include "llvm-c/ExecutionEngine.h"
  14 #include "llvm-c/Object.h"
  15 #include "llvm/ADT/ArrayRef.h"
  16 #include "llvm/ADT/DenseSet.h"
  17 #include "llvm/ADT/Triple.h"
  18 #include "llvm/Analysis/Lint.h"
  19 #include "llvm/Analysis/Passes.h"
  20 #include "llvm/ExecutionEngine/ExecutionEngine.h"
  21 #include "llvm/ExecutionEngine/Interpreter.h"
  22 #include "llvm/ExecutionEngine/MCJIT.h"
  23 #include "llvm/IR/IRBuilder.h"
  24 #include "llvm/IR/InlineAsm.h"
  25 #include "llvm/IR/InlineAsm.h"
  26 #include "llvm/IR/LLVMContext.h"
  27 #include "llvm/IR/LLVMContext.h"
  28 #include "llvm/IR/Module.h"
  29 #include "llvm/Support/CommandLine.h"
  30 #include "llvm/Support/Debug.h"
  31 #include "llvm/Support/DynamicLibrary.h"
  32 #include "llvm/Support/FormattedStream.h"
  33 #include "llvm/Support/Host.h"
  34 #include "llvm/Support/Memory.h"
  35 #include "llvm/Support/SourceMgr.h"
  36 #include "llvm/Support/TargetRegistry.h"
  37 #include "llvm/Support/TargetSelect.h"
  38 #include "llvm/Support/Timer.h"
  39 #include "llvm/Support/raw_ostream.h"
  40 #include "llvm/Target/TargetMachine.h"
  41 #include "llvm/Target/TargetOptions.h"
  42 #include "llvm/Transforms/IPO.h"
  43 #include "llvm/Transforms/Instrumentation.h"
  44 #include "llvm/Transforms/Scalar.h"
  45 #include "llvm/Transforms/Vectorize.h"
  46
  47 #define LLVM_VERSION_GE(major, minor)                                          \
  48   (LLVM_VERSION_MAJOR > (major) ||                                             \
  49    LLVM_VERSION_MAJOR == (major) && LLVM_VERSION_MINOR >= (minor))
  50
  51 #define LLVM_VERSION_EQ(major, minor)                                          \
  52   (LLVM_VERSION_MAJOR == (major) && LLVM_VERSION_MINOR == (minor))
  53
  54 #define LLVM_VERSION_LE(major, minor)                                          \
  55   (LLVM_VERSION_MAJOR < (major) ||                                             \
  56    LLVM_VERSION_MAJOR == (major) && LLVM_VERSION_MINOR <= (minor))
  57
  58 #define LLVM_VERSION_LT(major, minor) (!LLVM_VERSION_GE((major), (minor)))
  59
  60 #if LLVM_VERSION_GE(3, 7)
  61 #include "llvm/IR/LegacyPassManager.h"
  62 #else
  63 #include "llvm/PassManager.h"
  64 #endif
  65
  66 #if LLVM_VERSION_GE(4, 0)
  67 #include "llvm/Bitcode/BitcodeReader.h"
  68 #include "llvm/Bitcode/BitcodeWriter.h"
  69 #else
  70 #include "llvm/Bitcode/ReaderWriter.h"
  71 #endif
  72
  73 #include "llvm/IR/DIBuilder.h"
  74 #include "llvm/IR/DebugInfo.h"
  75 #include "llvm/IR/IRPrintingPasses.h"
  76 #include "llvm/Linker/Linker.h"
  77
  78 void LLVMRustSetLastError(const char *);
  79
  80 enum class LLVMRustResult { Success, Failure };
  81
  82 enum LLVMRustAttribute {
  83   AlwaysInline = 0,
  84   ByVal = 1,
  85   Cold = 2,
  86   InlineHint = 3,
  87   MinSize = 4,
  88   Naked = 5,
  89   NoAlias = 6,
  90   NoCapture = 7,
  91   NoInline = 8,
  92   NonNull = 9,
  93   NoRedZone = 10,
  94   NoReturn = 11,
  95   NoUnwind = 12,
  96   OptimizeForSize = 13,
  97   ReadOnly = 14,
  98   SExt = 15,
  99   StructRet = 16,
 100   UWTable = 17,
 101   ZExt = 18,
 102   InReg = 19,
 103   SanitizeThread = 20,
 104   SanitizeAddress = 21,
 105   SanitizeMemory = 22,
 106 };
 107
 108 typedef struct OpaqueRustString *RustStringRef;
 109 typedef struct LLVMOpaqueTwine *LLVMTwineRef;
 110 typedef struct LLVMOpaqueDebugLoc *LLVMDebugLocRef;
 111 typedef struct LLVMOpaqueSMDiagnostic *LLVMSMDiagnosticRef;
 112 typedef struct LLVMOpaqueRustJITMemoryManager *LLVMRustJITMemoryManagerRef;
 113
 114 extern "C" void LLVMRustStringWriteImpl(RustStringRef Str, const char *Ptr,
 115                                         size_t Size);
 116
 117 class RawRustStringOstream : public llvm::raw_ostream {
 118   RustStringRef Str;
 119   uint64_t Pos;
 120
 121   void write_impl(const char *Ptr, size_t Size) override {
 122     LLVMRustStringWriteImpl(Str, Ptr, Size);
 123     Pos += Size;
 124   }
 125
 126   uint64_t current_pos() const override { return Pos; }
 127
 128 public:
 129   explicit RawRustStringOstream(RustStringRef Str) : Str(Str), Pos(0) {}
 130
 131   ~RawRustStringOstream() {
 132     // LLVM requires this.
 133     flush();
 134   }
 135 };