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//===------- JITLinkTestUtils.cpp - Utilities for JITLink unit tests ------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "JITLinkTestUtils.h"
#include "llvm/ExecutionEngine/JITLink/MachO_x86_64.h"
#include "llvm/Testing/Support/Error.h"
#include "gtest/gtest.h"
using namespace llvm;
using namespace llvm::orc;
using namespace llvm::jitlink;
static const char BlockContentBytes[] = {
0x54, 0x68, 0x65, 0x72, 0x65, 0x20, 0x77, 0x61, 0x73, 0x20, 0x6d, 0x6f,
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ArrayRef<char> BlockContent(BlockContentBytes);
void lookupResolveEverythingToNull(
const llvm::jitlink::JITLinkContext::LookupMap &Symbols,
std::unique_ptr<llvm::jitlink::JITLinkAsyncLookupContinuation> LC) {
llvm::orc::ExecutorAddr Null;
llvm::jitlink::AsyncLookupResult Result;
for (auto &KV : Symbols)
Result[KV.first] = {Null, llvm::JITSymbolFlags::Exported};
LC->run(std::move(Result));
}
void lookupErrorOut(
const llvm::jitlink::JITLinkContext::LookupMap &Symbols,
std::unique_ptr<llvm::jitlink::JITLinkAsyncLookupContinuation> LC) {
LC->run(llvm::make_error<llvm::StringError>("Lookup failed",
llvm::inconvertibleErrorCode()));
}
std::unique_ptr<MockJITLinkContext> makeMockContext(
llvm::unique_function<void(llvm::Error)> HandleFailed,
llvm::unique_function<void(MockJITLinkMemoryManager &)> SetupMemMgr,
llvm::unique_function<void(MockJITLinkContext &)> SetupContext) {
auto MemMgr = std::make_unique<MockJITLinkMemoryManager>();
SetupMemMgr(*MemMgr);
auto Ctx = std::make_unique<MockJITLinkContext>(std::move(MemMgr),
std::move(HandleFailed));
SetupContext(*Ctx);
return Ctx;
}
void defaultMemMgrSetup(MockJITLinkMemoryManager &) {}
void defaultCtxSetup(MockJITLinkContext &) {}
TEST(JITLinkMocks, SmokeTest) {
// Check that the testing infrastructure defaults can "link" a graph
// successfully.
auto G = std::make_unique<LinkGraph>(
"foo", std::make_shared<orc::SymbolStringPool>(),
Triple("x86_64-apple-darwin"), SubtargetFeatures(),
getGenericEdgeKindName);
ArrayRef<char> Content = "hello, world!";
auto &Sec =
G->createSection("__data", orc::MemProt::Read | orc::MemProt::Write);
orc::ExecutorAddr B1Addr(0x1000);
auto &B = G->createContentBlock(Sec, Content, B1Addr, 8, 0);
G->addDefinedSymbol(B, 4, "S", 4, Linkage::Strong, Scope::Default, false,
false);
Error Err = Error::success();
auto Ctx =
makeMockContext(JoinErrorsInto(Err), defaultMemMgrSetup, defaultCtxSetup);
link_MachO_x86_64(std::move(G), std::move(Ctx));
EXPECT_THAT_ERROR(std::move(Err), Succeeded());
}
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