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This commit is contained in:
Ivan 2018-06-03 02:41:28 +03:00
parent b613a53948
commit 91c1b8e69c
8 changed files with 76 additions and 88 deletions
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47
runtime/jit-rt/cpp-so/compile.cpp
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@ -30,8 +30,8 @@
#include "llvm/Bitcode/BitcodeReader.h"
#include "llvm/ExecutionEngine/JITSymbol.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/Mangler.h"
#include "llvm/IR/GlobalVariable.h"
#include "llvm/IR/Mangler.h"
#include "llvm/Linker/Linker.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Transforms/Utils/Cloning.h"
@ -112,7 +112,7 @@ private:
struct BindHandle final {
std::string name;
void* handle = nullptr;
void *handle = nullptr;
};
std::vector<BindHandle> bindHandles;
@ -148,9 +148,7 @@ public:
return nullptr;
}
const std::vector<BindHandle> &getBindHandles() const {
return bindHandles;
}
const std::vector<BindHandle> &getBindHandles() const { return bindHandles; }
void addBindHandle(llvm::StringRef name, void *handle) {
assert(!name.empty());
@ -174,7 +172,7 @@ void *resolveSymbol(llvm::JITSymbol &symbol) {
void generateBind(const Context &context, JITContext &jitContext,
JitModuleInfo &moduleInfo, llvm::Module &module) {
auto getIrFunc = [&](const void *ptr)->llvm::Function * {
auto getIrFunc = [&](const void *ptr) -> llvm::Function * {
assert(ptr != nullptr);
auto funcDesc = moduleInfo.getFunc(ptr);
if (funcDesc == nullptr) {
@ -187,32 +185,30 @@ void generateBind(const Context &context, JITContext &jitContext,
bindFuncs.reserve(jitContext.getBindInstances().size() * 2);
auto genBind = [&](void *bindPtr, void *originalFunc, void *exampleFunc,
const llvm::ArrayRef<ParamSlice> &params) {
const llvm::ArrayRef<ParamSlice> &params) {
assert(bindPtr != nullptr);
assert(bindFuncs.end() == bindFuncs.find(bindPtr));
auto funcToInline = getIrFunc(originalFunc);
if (funcToInline != nullptr) {
auto exampleIrFunc = getIrFunc(exampleFunc);
assert(exampleIrFunc != nullptr);
auto errhandler = [&](const std::string &str) {
fatal(context, str);
};
auto overrideHandler =
[&](llvm::Type &type, const void *data, size_t size)->
llvm::Constant *{
auto errhandler = [&](const std::string &str) { fatal(context, str); };
auto overrideHandler = [&](llvm::Type &type, const void *data,
size_t size) -> llvm::Constant * {
if (type.isPointerTy()) {
auto getBindFunc = [&]() {
auto handle = *static_cast<void * const *>(data);
return handle != nullptr && jitContext.hasBindFunction(handle) ?
handle : nullptr;
auto handle = *static_cast<void *const *>(data);
return handle != nullptr && jitContext.hasBindFunction(handle)
? handle
: nullptr;
};
auto ptype = llvm::cast<llvm::PointerType>(&type);
auto elemType = ptype->getElementType();
if (elemType->isFunctionTy()) {
(void)size;
assert(size == sizeof(void*));
auto val = *reinterpret_cast<void * const *>(data);
assert(size == sizeof(void *));
auto val = *reinterpret_cast<void *const *>(data);
if (val != nullptr) {
auto ret = getIrFunc(val);
if (ret != nullptr && ret->getType() != &type) {
@ -226,17 +222,16 @@ void generateBind(const Context &context, JITContext &jitContext,
auto bindIrFunc = it->second;
auto funcPtrType = bindIrFunc->getType();
auto globalVar1 = new llvm::GlobalVariable(
module, funcPtrType, true,
llvm::GlobalValue::PrivateLinkage,
bindIrFunc, ".jit_bind_handle");
module, funcPtrType, true, llvm::GlobalValue::PrivateLinkage,
bindIrFunc, ".jit_bind_handle");
return llvm::ConstantExpr::getBitCast(globalVar1, &type);
}
}
return nullptr;
};
auto func = bindParamsToFunc(module, *funcToInline, *exampleIrFunc,
params, errhandler,
BindOverride(overrideHandler));
auto func =
bindParamsToFunc(module, *funcToInline, *exampleIrFunc, params,
errhandler, BindOverride(overrideHandler));
moduleInfo.addBindHandle(func->getName(), bindPtr);
bindFuncs.insert({bindPtr, func});
} else {
@ -255,7 +250,7 @@ void generateBind(const Context &context, JITContext &jitContext,
void applyBind(const Context &context, JITContext &jitContext,
const JitModuleInfo &moduleInfo) {
auto &layout = jitContext.getDataLayout();
for (auto& elem : moduleInfo.getBindHandles()) {
for (auto &elem : moduleInfo.getBindHandles()) {
auto decorated = decorate(elem.name, layout);
auto symbol = jitContext.findSymbol(decorated);
auto addr = resolveSymbol(symbol);
@ -264,7 +259,7 @@ void applyBind(const Context &context, JITContext &jitContext,
elem.name + "\" (\"" + decorated + "\")";
fatal(context, desc);
} else {
auto handle = static_cast<void**>(elem.handle);
auto handle = static_cast<void **>(elem.handle);
*handle = addr;
}
}