1 //===--------------- OrcV2CBindings.cpp - C bindings OrcV2 APIs -----------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "llvm-c/Orc.h"
10 #include "llvm-c/TargetMachine.h"
11 
12 #include "llvm/ExecutionEngine/Orc/JITTargetMachineBuilder.h"
13 #include "llvm/ExecutionEngine/Orc/LLJIT.h"
14 
15 using namespace llvm;
16 using namespace llvm::orc;
17 
18 DEFINE_SIMPLE_CONVERSION_FUNCTIONS(ThreadSafeContext,
19                                    LLVMOrcThreadSafeContextRef)
20 DEFINE_SIMPLE_CONVERSION_FUNCTIONS(ThreadSafeModule, LLVMOrcThreadSafeModuleRef)
21 DEFINE_SIMPLE_CONVERSION_FUNCTIONS(LLJIT, LLVMOrcLLJITRef)
22 
23 LLVMOrcThreadSafeContextRef LLVMOrcCreateNewThreadSafeContext() {
24   return wrap(new ThreadSafeContext(std::make_unique<LLVMContext>()));
25 }
26 
27 LLVMContextRef
28 LLVMOrcThreadSafeContextGetContext(LLVMOrcThreadSafeContextRef TSCtx) {
29   return wrap(unwrap(TSCtx)->getContext());
30 }
31 
32 void LLVMOrcDisposeThreadSafeContext(LLVMOrcThreadSafeContextRef TSCtx) {
33   delete unwrap(TSCtx);
34 }
35 
36 LLVMOrcThreadSafeModuleRef
37 LLVMOrcCreateNewThreadSafeModule(LLVMModuleRef M,
38                                  LLVMOrcThreadSafeContextRef TSCtx) {
39   return wrap(
40       new ThreadSafeModule(std::unique_ptr<Module>(unwrap(M)), *unwrap(TSCtx)));
41 }
42 
43 void LLVMOrcDisposeThreadSafeModule(LLVMOrcThreadSafeModuleRef TSM) {
44   delete unwrap(TSM);
45 }
46 
47 LLVMErrorRef LLVMOrcCreateDefaultLLJIT(LLVMOrcLLJITRef *Result) {
48   auto J = LLJITBuilder().create();
49 
50   if (!J) {
51     Result = 0;
52     return wrap(J.takeError());
53   }
54 
55   *Result = wrap(J->release());
56   return LLVMErrorSuccess;
57 }
58 
59 LLVMErrorRef LLVMOrcDisposeLLJIT(LLVMOrcLLJITRef J) {
60   delete unwrap(J);
61   return LLVMErrorSuccess;
62 }
63 
64 LLVMErrorRef LLVMOrcLLJITAddLLVMIRModule(LLVMOrcLLJITRef J,
65                                          LLVMOrcThreadSafeModuleRef TSM) {
66   return wrap(unwrap(J)->addIRModule(std::move(*unwrap(TSM))));
67 }
68 
69 LLVMErrorRef LLVMOrcLLJITLookup(LLVMOrcLLJITRef J,
70                                 LLVMOrcJITTargetAddress *Result,
71                                 const char *Name) {
72   auto Sym = unwrap(J)->lookup(Name);
73   if (!Sym) {
74     *Result = 0;
75     return wrap(Sym.takeError());
76   }
77 
78   *Result = Sym->getAddress();
79   return LLVMErrorSuccess;
80 }
81