mirror of
https://github.com/RPCS3/llvm.git
synced 2026-01-31 01:25:19 +01:00
51ecde1f0a
Differential revision: reviews.llvm.org/D16568 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@258831 91177308-0d34-0410-b5e6-96231b3b80d8
803 lines
29 KiB
C++
803 lines
29 KiB
C++
//===---- OrcRemoteTargetClient.h - Orc Remote-target Client ----*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file defines the OrcRemoteTargetClient class and helpers. This class
|
|
// can be used to communicate over an RPCChannel with an OrcRemoteTargetServer
|
|
// instance to support remote-JITing.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_EXECUTIONENGINE_ORC_ORCREMOTETARGETCLIENT_H
|
|
#define LLVM_EXECUTIONENGINE_ORC_ORCREMOTETARGETCLIENT_H
|
|
|
|
#include "IndirectionUtils.h"
|
|
#include "OrcRemoteTargetRPCAPI.h"
|
|
#include <system_error>
|
|
|
|
#define DEBUG_TYPE "orc-remote"
|
|
|
|
namespace llvm {
|
|
namespace orc {
|
|
namespace remote {
|
|
|
|
/// This class provides utilities (including memory manager, indirect stubs
|
|
/// manager, and compile callback manager types) that support remote JITing
|
|
/// in ORC.
|
|
///
|
|
/// Each of the utility classes talks to a JIT server (an instance of the
|
|
/// OrcRemoteTargetServer class) via an RPC system (see RPCUtils.h) to carry out
|
|
/// its actions.
|
|
template <typename ChannelT>
|
|
class OrcRemoteTargetClient : public OrcRemoteTargetRPCAPI {
|
|
public:
|
|
/// Remote memory manager.
|
|
class RCMemoryManager : public RuntimeDyld::MemoryManager {
|
|
public:
|
|
RCMemoryManager(OrcRemoteTargetClient &Client, ResourceIdMgr::ResourceId Id)
|
|
: Client(Client), Id(Id) {
|
|
DEBUG(dbgs() << "Created remote allocator " << Id << "\n");
|
|
}
|
|
|
|
RCMemoryManager(RCMemoryManager &&Other)
|
|
: Client(std::move(Other.Client)), Id(std::move(Other.Id)),
|
|
Unmapped(std::move(Other.Unmapped)),
|
|
Unfinalized(std::move(Other.Unfinalized)) {}
|
|
|
|
RCMemoryManager operator=(RCMemoryManager &&Other) {
|
|
Client = std::move(Other.Client);
|
|
Id = std::move(Other.Id);
|
|
Unmapped = std::move(Other.Unmapped);
|
|
Unfinalized = std::move(Other.Unfinalized);
|
|
return *this;
|
|
}
|
|
|
|
~RCMemoryManager() override {
|
|
Client.destroyRemoteAllocator(Id);
|
|
DEBUG(dbgs() << "Destroyed remote allocator " << Id << "\n");
|
|
}
|
|
|
|
uint8_t *allocateCodeSection(uintptr_t Size, unsigned Alignment,
|
|
unsigned SectionID,
|
|
StringRef SectionName) override {
|
|
Unmapped.back().CodeAllocs.emplace_back(Size, Alignment);
|
|
uint8_t *Alloc = reinterpret_cast<uint8_t *>(
|
|
Unmapped.back().CodeAllocs.back().getLocalAddress());
|
|
DEBUG(dbgs() << "Allocator " << Id << " allocated code for "
|
|
<< SectionName << ": " << Alloc << " (" << Size
|
|
<< " bytes, alignment " << Alignment << ")\n");
|
|
return Alloc;
|
|
}
|
|
|
|
uint8_t *allocateDataSection(uintptr_t Size, unsigned Alignment,
|
|
unsigned SectionID, StringRef SectionName,
|
|
bool IsReadOnly) override {
|
|
if (IsReadOnly) {
|
|
Unmapped.back().RODataAllocs.emplace_back(Size, Alignment);
|
|
uint8_t *Alloc = reinterpret_cast<uint8_t *>(
|
|
Unmapped.back().RODataAllocs.back().getLocalAddress());
|
|
DEBUG(dbgs() << "Allocator " << Id << " allocated ro-data for "
|
|
<< SectionName << ": " << Alloc << " (" << Size
|
|
<< " bytes, alignment " << Alignment << ")\n");
|
|
return Alloc;
|
|
} // else...
|
|
|
|
Unmapped.back().RWDataAllocs.emplace_back(Size, Alignment);
|
|
uint8_t *Alloc = reinterpret_cast<uint8_t *>(
|
|
Unmapped.back().RWDataAllocs.back().getLocalAddress());
|
|
DEBUG(dbgs() << "Allocator " << Id << " allocated rw-data for "
|
|
<< SectionName << ": " << Alloc << " (" << Size
|
|
<< " bytes, alignment " << Alignment << ")\n");
|
|
return Alloc;
|
|
}
|
|
|
|
void reserveAllocationSpace(uintptr_t CodeSize, uint32_t CodeAlign,
|
|
uintptr_t RODataSize, uint32_t RODataAlign,
|
|
uintptr_t RWDataSize,
|
|
uint32_t RWDataAlign) override {
|
|
Unmapped.push_back(ObjectAllocs());
|
|
|
|
DEBUG(dbgs() << "Allocator " << Id << " reserved:\n");
|
|
|
|
if (CodeSize != 0) {
|
|
std::error_code EC = Client.reserveMem(Unmapped.back().RemoteCodeAddr,
|
|
Id, CodeSize, CodeAlign);
|
|
// FIXME; Add error to poll.
|
|
assert(!EC && "Failed reserving remote memory.");
|
|
(void)EC;
|
|
DEBUG(dbgs() << " code: "
|
|
<< format("0x%016x", Unmapped.back().RemoteCodeAddr)
|
|
<< " (" << CodeSize << " bytes, alignment " << CodeAlign
|
|
<< ")\n");
|
|
}
|
|
|
|
if (RODataSize != 0) {
|
|
std::error_code EC = Client.reserveMem(Unmapped.back().RemoteRODataAddr,
|
|
Id, RODataSize, RODataAlign);
|
|
// FIXME; Add error to poll.
|
|
assert(!EC && "Failed reserving remote memory.");
|
|
(void)EC;
|
|
DEBUG(dbgs() << " ro-data: "
|
|
<< format("0x%016x", Unmapped.back().RemoteRODataAddr)
|
|
<< " (" << RODataSize << " bytes, alignment "
|
|
<< RODataAlign << ")\n");
|
|
}
|
|
|
|
if (RWDataSize != 0) {
|
|
std::error_code EC = Client.reserveMem(Unmapped.back().RemoteRWDataAddr,
|
|
Id, RWDataSize, RWDataAlign);
|
|
// FIXME; Add error to poll.
|
|
assert(!EC && "Failed reserving remote memory.");
|
|
(void)EC;
|
|
DEBUG(dbgs() << " rw-data: "
|
|
<< format("0x%016x", Unmapped.back().RemoteRWDataAddr)
|
|
<< " (" << RWDataSize << " bytes, alignment "
|
|
<< RWDataAlign << ")\n");
|
|
}
|
|
}
|
|
|
|
bool needsToReserveAllocationSpace() override { return true; }
|
|
|
|
void registerEHFrames(uint8_t *Addr, uint64_t LoadAddr,
|
|
size_t Size) override {
|
|
UnfinalizedEHFrames.push_back(
|
|
std::make_pair(LoadAddr, static_cast<uint32_t>(Size)));
|
|
}
|
|
|
|
void deregisterEHFrames(uint8_t *Addr, uint64_t LoadAddr,
|
|
size_t Size) override {
|
|
auto EC = Client.deregisterEHFrames(LoadAddr, Size);
|
|
// FIXME: Add error poll.
|
|
assert(!EC && "Failed to register remote EH frames.");
|
|
(void)EC;
|
|
}
|
|
|
|
void notifyObjectLoaded(RuntimeDyld &Dyld,
|
|
const object::ObjectFile &Obj) override {
|
|
DEBUG(dbgs() << "Allocator " << Id << " applied mappings:\n");
|
|
for (auto &ObjAllocs : Unmapped) {
|
|
{
|
|
TargetAddress NextCodeAddr = ObjAllocs.RemoteCodeAddr;
|
|
for (auto &Alloc : ObjAllocs.CodeAllocs) {
|
|
NextCodeAddr = alignTo(NextCodeAddr, Alloc.getAlign());
|
|
Dyld.mapSectionAddress(Alloc.getLocalAddress(), NextCodeAddr);
|
|
DEBUG(dbgs() << " code: "
|
|
<< static_cast<void *>(Alloc.getLocalAddress())
|
|
<< " -> " << format("0x%016x", NextCodeAddr) << "\n");
|
|
Alloc.setRemoteAddress(NextCodeAddr);
|
|
NextCodeAddr += Alloc.getSize();
|
|
}
|
|
}
|
|
{
|
|
TargetAddress NextRODataAddr = ObjAllocs.RemoteRODataAddr;
|
|
for (auto &Alloc : ObjAllocs.RODataAllocs) {
|
|
NextRODataAddr = alignTo(NextRODataAddr, Alloc.getAlign());
|
|
Dyld.mapSectionAddress(Alloc.getLocalAddress(), NextRODataAddr);
|
|
DEBUG(dbgs() << " ro-data: "
|
|
<< static_cast<void *>(Alloc.getLocalAddress())
|
|
<< " -> " << format("0x%016x", NextRODataAddr)
|
|
<< "\n");
|
|
Alloc.setRemoteAddress(NextRODataAddr);
|
|
NextRODataAddr += Alloc.getSize();
|
|
}
|
|
}
|
|
{
|
|
TargetAddress NextRWDataAddr = ObjAllocs.RemoteRWDataAddr;
|
|
for (auto &Alloc : ObjAllocs.RWDataAllocs) {
|
|
NextRWDataAddr = alignTo(NextRWDataAddr, Alloc.getAlign());
|
|
Dyld.mapSectionAddress(Alloc.getLocalAddress(), NextRWDataAddr);
|
|
DEBUG(dbgs() << " rw-data: "
|
|
<< static_cast<void *>(Alloc.getLocalAddress())
|
|
<< " -> " << format("0x%016x", NextRWDataAddr)
|
|
<< "\n");
|
|
Alloc.setRemoteAddress(NextRWDataAddr);
|
|
NextRWDataAddr += Alloc.getSize();
|
|
}
|
|
}
|
|
Unfinalized.push_back(std::move(ObjAllocs));
|
|
}
|
|
Unmapped.clear();
|
|
}
|
|
|
|
bool finalizeMemory(std::string *ErrMsg = nullptr) override {
|
|
DEBUG(dbgs() << "Allocator " << Id << " finalizing:\n");
|
|
|
|
for (auto &ObjAllocs : Unfinalized) {
|
|
|
|
for (auto &Alloc : ObjAllocs.CodeAllocs) {
|
|
DEBUG(dbgs() << " copying code: "
|
|
<< static_cast<void *>(Alloc.getLocalAddress()) << " -> "
|
|
<< format("0x%016x", Alloc.getRemoteAddress()) << " ("
|
|
<< Alloc.getSize() << " bytes)\n");
|
|
Client.writeMem(Alloc.getRemoteAddress(), Alloc.getLocalAddress(),
|
|
Alloc.getSize());
|
|
}
|
|
|
|
if (ObjAllocs.RemoteCodeAddr) {
|
|
DEBUG(dbgs() << " setting R-X permissions on code block: "
|
|
<< format("0x%016x", ObjAllocs.RemoteCodeAddr) << "\n");
|
|
Client.setProtections(Id, ObjAllocs.RemoteCodeAddr,
|
|
sys::Memory::MF_READ | sys::Memory::MF_EXEC);
|
|
}
|
|
|
|
for (auto &Alloc : ObjAllocs.RODataAllocs) {
|
|
DEBUG(dbgs() << " copying ro-data: "
|
|
<< static_cast<void *>(Alloc.getLocalAddress()) << " -> "
|
|
<< format("0x%016x", Alloc.getRemoteAddress()) << " ("
|
|
<< Alloc.getSize() << " bytes)\n");
|
|
Client.writeMem(Alloc.getRemoteAddress(), Alloc.getLocalAddress(),
|
|
Alloc.getSize());
|
|
}
|
|
|
|
if (ObjAllocs.RemoteRODataAddr) {
|
|
DEBUG(dbgs() << " setting R-- permissions on ro-data block: "
|
|
<< format("0x%016x", ObjAllocs.RemoteRODataAddr)
|
|
<< "\n");
|
|
Client.setProtections(Id, ObjAllocs.RemoteRODataAddr,
|
|
sys::Memory::MF_READ);
|
|
}
|
|
|
|
for (auto &Alloc : ObjAllocs.RWDataAllocs) {
|
|
DEBUG(dbgs() << " copying rw-data: "
|
|
<< static_cast<void *>(Alloc.getLocalAddress()) << " -> "
|
|
<< format("0x%016x", Alloc.getRemoteAddress()) << " ("
|
|
<< Alloc.getSize() << " bytes)\n");
|
|
Client.writeMem(Alloc.getRemoteAddress(), Alloc.getLocalAddress(),
|
|
Alloc.getSize());
|
|
}
|
|
|
|
if (ObjAllocs.RemoteRWDataAddr) {
|
|
DEBUG(dbgs() << " setting RW- permissions on rw-data block: "
|
|
<< format("0x%016x", ObjAllocs.RemoteRWDataAddr)
|
|
<< "\n");
|
|
Client.setProtections(Id, ObjAllocs.RemoteRWDataAddr,
|
|
sys::Memory::MF_READ | sys::Memory::MF_WRITE);
|
|
}
|
|
}
|
|
Unfinalized.clear();
|
|
|
|
for (auto &EHFrame : UnfinalizedEHFrames) {
|
|
auto EC = Client.registerEHFrames(EHFrame.first, EHFrame.second);
|
|
// FIXME: Add error poll.
|
|
assert(!EC && "Failed to register remote EH frames.");
|
|
(void)EC;
|
|
}
|
|
UnfinalizedEHFrames.clear();
|
|
|
|
return false;
|
|
}
|
|
|
|
private:
|
|
class Alloc {
|
|
public:
|
|
Alloc(uint64_t Size, unsigned Align)
|
|
: Size(Size), Align(Align), Contents(new char[Size + Align - 1]) {}
|
|
|
|
Alloc(Alloc &&Other)
|
|
: Size(std::move(Other.Size)), Align(std::move(Other.Align)),
|
|
Contents(std::move(Other.Contents)),
|
|
RemoteAddr(std::move(Other.RemoteAddr)) {}
|
|
|
|
Alloc &operator=(Alloc &&Other) {
|
|
Size = std::move(Other.Size);
|
|
Align = std::move(Other.Align);
|
|
Contents = std::move(Other.Contents);
|
|
RemoteAddr = std::move(Other.RemoteAddr);
|
|
return *this;
|
|
}
|
|
|
|
uint64_t getSize() const { return Size; }
|
|
|
|
unsigned getAlign() const { return Align; }
|
|
|
|
char *getLocalAddress() const {
|
|
uintptr_t LocalAddr = reinterpret_cast<uintptr_t>(Contents.get());
|
|
LocalAddr = alignTo(LocalAddr, Align);
|
|
return reinterpret_cast<char *>(LocalAddr);
|
|
}
|
|
|
|
void setRemoteAddress(TargetAddress RemoteAddr) {
|
|
this->RemoteAddr = RemoteAddr;
|
|
}
|
|
|
|
TargetAddress getRemoteAddress() const { return RemoteAddr; }
|
|
|
|
private:
|
|
uint64_t Size;
|
|
unsigned Align;
|
|
std::unique_ptr<char[]> Contents;
|
|
TargetAddress RemoteAddr = 0;
|
|
};
|
|
|
|
struct ObjectAllocs {
|
|
ObjectAllocs() = default;
|
|
|
|
ObjectAllocs(ObjectAllocs &&Other)
|
|
: RemoteCodeAddr(std::move(Other.RemoteCodeAddr)),
|
|
RemoteRODataAddr(std::move(Other.RemoteRODataAddr)),
|
|
RemoteRWDataAddr(std::move(Other.RemoteRWDataAddr)),
|
|
CodeAllocs(std::move(Other.CodeAllocs)),
|
|
RODataAllocs(std::move(Other.RODataAllocs)),
|
|
RWDataAllocs(std::move(Other.RWDataAllocs)) {}
|
|
|
|
ObjectAllocs &operator=(ObjectAllocs &&Other) {
|
|
RemoteCodeAddr = std::move(Other.RemoteCodeAddr);
|
|
RemoteRODataAddr = std::move(Other.RemoteRODataAddr);
|
|
RemoteRWDataAddr = std::move(Other.RemoteRWDataAddr);
|
|
CodeAllocs = std::move(Other.CodeAllocs);
|
|
RODataAllocs = std::move(Other.RODataAllocs);
|
|
RWDataAllocs = std::move(Other.RWDataAllocs);
|
|
return *this;
|
|
}
|
|
|
|
TargetAddress RemoteCodeAddr = 0;
|
|
TargetAddress RemoteRODataAddr = 0;
|
|
TargetAddress RemoteRWDataAddr = 0;
|
|
std::vector<Alloc> CodeAllocs, RODataAllocs, RWDataAllocs;
|
|
};
|
|
|
|
OrcRemoteTargetClient &Client;
|
|
ResourceIdMgr::ResourceId Id;
|
|
std::vector<ObjectAllocs> Unmapped;
|
|
std::vector<ObjectAllocs> Unfinalized;
|
|
std::vector<std::pair<uint64_t, uint32_t>> UnfinalizedEHFrames;
|
|
};
|
|
|
|
/// Remote indirect stubs manager.
|
|
class RCIndirectStubsManager : public IndirectStubsManager {
|
|
public:
|
|
RCIndirectStubsManager(OrcRemoteTargetClient &Remote,
|
|
ResourceIdMgr::ResourceId Id)
|
|
: Remote(Remote), Id(Id) {}
|
|
|
|
~RCIndirectStubsManager() override {
|
|
Remote.destroyIndirectStubsManager(Id);
|
|
}
|
|
|
|
std::error_code createStub(StringRef StubName, TargetAddress StubAddr,
|
|
JITSymbolFlags StubFlags) override {
|
|
if (auto EC = reserveStubs(1))
|
|
return EC;
|
|
|
|
return createStubInternal(StubName, StubAddr, StubFlags);
|
|
}
|
|
|
|
std::error_code createStubs(const StubInitsMap &StubInits) override {
|
|
if (auto EC = reserveStubs(StubInits.size()))
|
|
return EC;
|
|
|
|
for (auto &Entry : StubInits)
|
|
if (auto EC = createStubInternal(Entry.first(), Entry.second.first,
|
|
Entry.second.second))
|
|
return EC;
|
|
|
|
return std::error_code();
|
|
}
|
|
|
|
JITSymbol findStub(StringRef Name, bool ExportedStubsOnly) override {
|
|
auto I = StubIndexes.find(Name);
|
|
if (I == StubIndexes.end())
|
|
return nullptr;
|
|
auto Key = I->second.first;
|
|
auto Flags = I->second.second;
|
|
auto StubSymbol = JITSymbol(getStubAddr(Key), Flags);
|
|
if (ExportedStubsOnly && !StubSymbol.isExported())
|
|
return nullptr;
|
|
return StubSymbol;
|
|
}
|
|
|
|
JITSymbol findPointer(StringRef Name) override {
|
|
auto I = StubIndexes.find(Name);
|
|
if (I == StubIndexes.end())
|
|
return nullptr;
|
|
auto Key = I->second.first;
|
|
auto Flags = I->second.second;
|
|
return JITSymbol(getPtrAddr(Key), Flags);
|
|
}
|
|
|
|
std::error_code updatePointer(StringRef Name,
|
|
TargetAddress NewAddr) override {
|
|
auto I = StubIndexes.find(Name);
|
|
assert(I != StubIndexes.end() && "No stub pointer for symbol");
|
|
auto Key = I->second.first;
|
|
return Remote.writePointer(getPtrAddr(Key), NewAddr);
|
|
}
|
|
|
|
private:
|
|
struct RemoteIndirectStubsInfo {
|
|
TargetAddress StubBase;
|
|
TargetAddress PtrBase;
|
|
unsigned NumStubs;
|
|
};
|
|
|
|
OrcRemoteTargetClient &Remote;
|
|
ResourceIdMgr::ResourceId Id;
|
|
std::vector<RemoteIndirectStubsInfo> RemoteIndirectStubsInfos;
|
|
typedef std::pair<uint16_t, uint16_t> StubKey;
|
|
std::vector<StubKey> FreeStubs;
|
|
StringMap<std::pair<StubKey, JITSymbolFlags>> StubIndexes;
|
|
|
|
std::error_code reserveStubs(unsigned NumStubs) {
|
|
if (NumStubs <= FreeStubs.size())
|
|
return std::error_code();
|
|
|
|
unsigned NewStubsRequired = NumStubs - FreeStubs.size();
|
|
TargetAddress StubBase;
|
|
TargetAddress PtrBase;
|
|
unsigned NumStubsEmitted;
|
|
|
|
Remote.emitIndirectStubs(StubBase, PtrBase, NumStubsEmitted, Id,
|
|
NewStubsRequired);
|
|
|
|
unsigned NewBlockId = RemoteIndirectStubsInfos.size();
|
|
RemoteIndirectStubsInfos.push_back({StubBase, PtrBase, NumStubsEmitted});
|
|
|
|
for (unsigned I = 0; I < NumStubsEmitted; ++I)
|
|
FreeStubs.push_back(std::make_pair(NewBlockId, I));
|
|
|
|
return std::error_code();
|
|
}
|
|
|
|
std::error_code createStubInternal(StringRef StubName,
|
|
TargetAddress InitAddr,
|
|
JITSymbolFlags StubFlags) {
|
|
auto Key = FreeStubs.back();
|
|
FreeStubs.pop_back();
|
|
StubIndexes[StubName] = std::make_pair(Key, StubFlags);
|
|
return Remote.writePointer(getPtrAddr(Key), InitAddr);
|
|
}
|
|
|
|
TargetAddress getStubAddr(StubKey K) {
|
|
assert(RemoteIndirectStubsInfos[K.first].StubBase != 0 &&
|
|
"Missing stub address");
|
|
return RemoteIndirectStubsInfos[K.first].StubBase +
|
|
K.second * Remote.getIndirectStubSize();
|
|
}
|
|
|
|
TargetAddress getPtrAddr(StubKey K) {
|
|
assert(RemoteIndirectStubsInfos[K.first].PtrBase != 0 &&
|
|
"Missing pointer address");
|
|
return RemoteIndirectStubsInfos[K.first].PtrBase +
|
|
K.second * Remote.getPointerSize();
|
|
}
|
|
};
|
|
|
|
/// Remote compile callback manager.
|
|
class RCCompileCallbackManager : public JITCompileCallbackManager {
|
|
public:
|
|
RCCompileCallbackManager(TargetAddress ErrorHandlerAddress,
|
|
OrcRemoteTargetClient &Remote)
|
|
: JITCompileCallbackManager(ErrorHandlerAddress), Remote(Remote) {
|
|
assert(!Remote.CompileCallback && "Compile callback already set");
|
|
Remote.CompileCallback = [this](TargetAddress TrampolineAddr) {
|
|
return executeCompileCallback(TrampolineAddr);
|
|
};
|
|
Remote.emitResolverBlock();
|
|
}
|
|
|
|
private:
|
|
void grow() override {
|
|
TargetAddress BlockAddr = 0;
|
|
uint32_t NumTrampolines = 0;
|
|
auto EC = Remote.emitTrampolineBlock(BlockAddr, NumTrampolines);
|
|
assert(!EC && "Failed to create trampolines");
|
|
|
|
uint32_t TrampolineSize = Remote.getTrampolineSize();
|
|
for (unsigned I = 0; I < NumTrampolines; ++I)
|
|
this->AvailableTrampolines.push_back(BlockAddr + (I * TrampolineSize));
|
|
}
|
|
|
|
OrcRemoteTargetClient &Remote;
|
|
};
|
|
|
|
/// Create an OrcRemoteTargetClient.
|
|
/// Channel is the ChannelT instance to communicate on. It is assumed that
|
|
/// the channel is ready to be read from and written to.
|
|
static ErrorOr<OrcRemoteTargetClient> Create(ChannelT &Channel) {
|
|
std::error_code EC;
|
|
OrcRemoteTargetClient H(Channel, EC);
|
|
if (EC)
|
|
return EC;
|
|
return H;
|
|
}
|
|
|
|
/// Call the int(void) function at the given address in the target and return
|
|
/// its result.
|
|
std::error_code callIntVoid(int &Result, TargetAddress Addr) {
|
|
DEBUG(dbgs() << "Calling int(*)(void) " << format("0x%016x", Addr) << "\n");
|
|
|
|
if (auto EC = call<CallIntVoid>(Channel, Addr))
|
|
return EC;
|
|
|
|
unsigned NextProcId;
|
|
if (auto EC = listenForCompileRequests(NextProcId))
|
|
return EC;
|
|
|
|
if (NextProcId != CallIntVoidResponseId)
|
|
return orcError(OrcErrorCode::UnexpectedRPCCall);
|
|
|
|
return handle<CallIntVoidResponse>(Channel, [&](int R) {
|
|
Result = R;
|
|
DEBUG(dbgs() << "Result: " << R << "\n");
|
|
return std::error_code();
|
|
});
|
|
}
|
|
|
|
/// Call the int(int, char*[]) function at the given address in the target and
|
|
/// return its result.
|
|
std::error_code callMain(int &Result, TargetAddress Addr,
|
|
const std::vector<std::string> &Args) {
|
|
DEBUG(dbgs() << "Calling int(*)(int, char*[]) " << format("0x%016x", Addr)
|
|
<< "\n");
|
|
|
|
if (auto EC = call<CallMain>(Channel, Addr, Args))
|
|
return EC;
|
|
|
|
unsigned NextProcId;
|
|
if (auto EC = listenForCompileRequests(NextProcId))
|
|
return EC;
|
|
|
|
if (NextProcId != CallMainResponseId)
|
|
return orcError(OrcErrorCode::UnexpectedRPCCall);
|
|
|
|
return handle<CallMainResponse>(Channel, [&](int R) {
|
|
Result = R;
|
|
DEBUG(dbgs() << "Result: " << R << "\n");
|
|
return std::error_code();
|
|
});
|
|
}
|
|
|
|
/// Call the void() function at the given address in the target and wait for
|
|
/// it to finish.
|
|
std::error_code callVoidVoid(TargetAddress Addr) {
|
|
DEBUG(dbgs() << "Calling void(*)(void) " << format("0x%016x", Addr)
|
|
<< "\n");
|
|
|
|
if (auto EC = call<CallVoidVoid>(Channel, Addr))
|
|
return EC;
|
|
|
|
unsigned NextProcId;
|
|
if (auto EC = listenForCompileRequests(NextProcId))
|
|
return EC;
|
|
|
|
if (NextProcId != CallVoidVoidResponseId)
|
|
return orcError(OrcErrorCode::UnexpectedRPCCall);
|
|
|
|
return handle<CallVoidVoidResponse>(Channel, doNothing);
|
|
}
|
|
|
|
/// Create an RCMemoryManager which will allocate its memory on the remote
|
|
/// target.
|
|
std::error_code
|
|
createRemoteMemoryManager(std::unique_ptr<RCMemoryManager> &MM) {
|
|
assert(!MM && "MemoryManager should be null before creation.");
|
|
|
|
auto Id = AllocatorIds.getNext();
|
|
if (auto EC = call<CreateRemoteAllocator>(Channel, Id))
|
|
return EC;
|
|
MM = llvm::make_unique<RCMemoryManager>(*this, Id);
|
|
return std::error_code();
|
|
}
|
|
|
|
/// Create an RCIndirectStubsManager that will allocate stubs on the remote
|
|
/// target.
|
|
std::error_code
|
|
createIndirectStubsManager(std::unique_ptr<RCIndirectStubsManager> &I) {
|
|
assert(!I && "Indirect stubs manager should be null before creation.");
|
|
auto Id = IndirectStubOwnerIds.getNext();
|
|
if (auto EC = call<CreateIndirectStubsOwner>(Channel, Id))
|
|
return EC;
|
|
I = llvm::make_unique<RCIndirectStubsManager>(*this, Id);
|
|
return std::error_code();
|
|
}
|
|
|
|
/// Search for symbols in the remote process. Note: This should be used by
|
|
/// symbol resolvers *after* they've searched the local symbol table in the
|
|
/// JIT stack.
|
|
std::error_code getSymbolAddress(TargetAddress &Addr, StringRef Name) {
|
|
// Check for an 'out-of-band' error, e.g. from an MM destructor.
|
|
if (ExistingError)
|
|
return ExistingError;
|
|
|
|
// Request remote symbol address.
|
|
if (auto EC = call<GetSymbolAddress>(Channel, Name))
|
|
return EC;
|
|
|
|
return expect<GetSymbolAddressResponse>(Channel, [&](TargetAddress &A) {
|
|
Addr = A;
|
|
DEBUG(dbgs() << "Remote address lookup " << Name << " = "
|
|
<< format("0x%016x", Addr) << "\n");
|
|
return std::error_code();
|
|
});
|
|
}
|
|
|
|
/// Get the triple for the remote target.
|
|
const std::string &getTargetTriple() const { return RemoteTargetTriple; }
|
|
|
|
std::error_code terminateSession() { return call<TerminateSession>(Channel); }
|
|
|
|
private:
|
|
OrcRemoteTargetClient(ChannelT &Channel, std::error_code &EC)
|
|
: Channel(Channel) {
|
|
if ((EC = call<GetRemoteInfo>(Channel)))
|
|
return;
|
|
|
|
EC = expect<GetRemoteInfoResponse>(
|
|
Channel, readArgs(RemoteTargetTriple, RemotePointerSize, RemotePageSize,
|
|
RemoteTrampolineSize, RemoteIndirectStubSize));
|
|
}
|
|
|
|
std::error_code deregisterEHFrames(TargetAddress Addr, uint32_t Size) {
|
|
return call<RegisterEHFrames>(Channel, Addr, Size);
|
|
}
|
|
|
|
void destroyRemoteAllocator(ResourceIdMgr::ResourceId Id) {
|
|
if (auto EC = call<DestroyRemoteAllocator>(Channel, Id)) {
|
|
// FIXME: This will be triggered by a removeModuleSet call: Propagate
|
|
// error return up through that.
|
|
llvm_unreachable("Failed to destroy remote allocator.");
|
|
AllocatorIds.release(Id);
|
|
}
|
|
}
|
|
|
|
std::error_code destroyIndirectStubsManager(ResourceIdMgr::ResourceId Id) {
|
|
IndirectStubOwnerIds.release(Id);
|
|
return call<DestroyIndirectStubsOwner>(Channel, Id);
|
|
}
|
|
|
|
std::error_code emitIndirectStubs(TargetAddress &StubBase,
|
|
TargetAddress &PtrBase,
|
|
uint32_t &NumStubsEmitted,
|
|
ResourceIdMgr::ResourceId Id,
|
|
uint32_t NumStubsRequired) {
|
|
if (auto EC = call<EmitIndirectStubs>(Channel, Id, NumStubsRequired))
|
|
return EC;
|
|
|
|
return expect<EmitIndirectStubsResponse>(
|
|
Channel, readArgs(StubBase, PtrBase, NumStubsEmitted));
|
|
}
|
|
|
|
std::error_code emitResolverBlock() {
|
|
// Check for an 'out-of-band' error, e.g. from an MM destructor.
|
|
if (ExistingError)
|
|
return ExistingError;
|
|
|
|
return call<EmitResolverBlock>(Channel);
|
|
}
|
|
|
|
std::error_code emitTrampolineBlock(TargetAddress &BlockAddr,
|
|
uint32_t &NumTrampolines) {
|
|
// Check for an 'out-of-band' error, e.g. from an MM destructor.
|
|
if (ExistingError)
|
|
return ExistingError;
|
|
|
|
if (auto EC = call<EmitTrampolineBlock>(Channel))
|
|
return EC;
|
|
|
|
return expect<EmitTrampolineBlockResponse>(
|
|
Channel, [&](TargetAddress BAddr, uint32_t NTrampolines) {
|
|
BlockAddr = BAddr;
|
|
NumTrampolines = NTrampolines;
|
|
return std::error_code();
|
|
});
|
|
}
|
|
|
|
uint32_t getIndirectStubSize() const { return RemoteIndirectStubSize; }
|
|
uint32_t getPageSize() const { return RemotePageSize; }
|
|
uint32_t getPointerSize() const { return RemotePointerSize; }
|
|
|
|
uint32_t getTrampolineSize() const { return RemoteTrampolineSize; }
|
|
|
|
std::error_code listenForCompileRequests(uint32_t &NextId) {
|
|
// Check for an 'out-of-band' error, e.g. from an MM destructor.
|
|
if (ExistingError)
|
|
return ExistingError;
|
|
|
|
if (auto EC = getNextProcId(Channel, NextId))
|
|
return EC;
|
|
|
|
while (NextId == RequestCompileId) {
|
|
TargetAddress TrampolineAddr = 0;
|
|
if (auto EC = handle<RequestCompile>(Channel, readArgs(TrampolineAddr)))
|
|
return EC;
|
|
|
|
TargetAddress ImplAddr = CompileCallback(TrampolineAddr);
|
|
if (auto EC = call<RequestCompileResponse>(Channel, ImplAddr))
|
|
return EC;
|
|
|
|
if (auto EC = getNextProcId(Channel, NextId))
|
|
return EC;
|
|
}
|
|
|
|
return std::error_code();
|
|
}
|
|
|
|
std::error_code readMem(char *Dst, TargetAddress Src, uint64_t Size) {
|
|
// Check for an 'out-of-band' error, e.g. from an MM destructor.
|
|
if (ExistingError)
|
|
return ExistingError;
|
|
|
|
if (auto EC = call<ReadMem>(Channel, Src, Size))
|
|
return EC;
|
|
|
|
if (auto EC = expect<ReadMemResponse>(
|
|
Channel, [&]() { return Channel.readBytes(Dst, Size); }))
|
|
return EC;
|
|
|
|
return std::error_code();
|
|
}
|
|
|
|
std::error_code registerEHFrames(TargetAddress &RAddr, uint32_t Size) {
|
|
return call<RegisterEHFrames>(Channel, RAddr, Size);
|
|
}
|
|
|
|
std::error_code reserveMem(TargetAddress &RemoteAddr,
|
|
ResourceIdMgr::ResourceId Id, uint64_t Size,
|
|
uint32_t Align) {
|
|
|
|
// Check for an 'out-of-band' error, e.g. from an MM destructor.
|
|
if (ExistingError)
|
|
return ExistingError;
|
|
|
|
if (std::error_code EC = call<ReserveMem>(Channel, Id, Size, Align))
|
|
return EC;
|
|
|
|
return expect<ReserveMemResponse>(Channel, readArgs(RemoteAddr));
|
|
}
|
|
|
|
std::error_code setProtections(ResourceIdMgr::ResourceId Id,
|
|
TargetAddress RemoteSegAddr,
|
|
unsigned ProtFlags) {
|
|
return call<SetProtections>(Channel, Id, RemoteSegAddr, ProtFlags);
|
|
}
|
|
|
|
std::error_code writeMem(TargetAddress Addr, const char *Src, uint64_t Size) {
|
|
// Check for an 'out-of-band' error, e.g. from an MM destructor.
|
|
if (ExistingError)
|
|
return ExistingError;
|
|
|
|
// Make the send call.
|
|
if (auto EC = call<WriteMem>(Channel, Addr, Size))
|
|
return EC;
|
|
|
|
// Follow this up with the section contents.
|
|
if (auto EC = Channel.appendBytes(Src, Size))
|
|
return EC;
|
|
|
|
return Channel.send();
|
|
}
|
|
|
|
std::error_code writePointer(TargetAddress Addr, TargetAddress PtrVal) {
|
|
// Check for an 'out-of-band' error, e.g. from an MM destructor.
|
|
if (ExistingError)
|
|
return ExistingError;
|
|
|
|
return call<WritePtr>(Channel, Addr, PtrVal);
|
|
}
|
|
|
|
static std::error_code doNothing() { return std::error_code(); }
|
|
|
|
ChannelT &Channel;
|
|
std::error_code ExistingError;
|
|
std::string RemoteTargetTriple;
|
|
uint32_t RemotePointerSize = 0;
|
|
uint32_t RemotePageSize = 0;
|
|
uint32_t RemoteTrampolineSize = 0;
|
|
uint32_t RemoteIndirectStubSize = 0;
|
|
ResourceIdMgr AllocatorIds, IndirectStubOwnerIds;
|
|
std::function<TargetAddress(TargetAddress)> CompileCallback;
|
|
};
|
|
|
|
} // end namespace remote
|
|
} // end namespace orc
|
|
} // end namespace llvm
|
|
|
|
#undef DEBUG_TYPE
|
|
|
|
#endif // LLVM_EXECUTIONENGINE_ORC_ORCREMOTETARGETCLIENT_H
|