bpftrace/SOURCES/bpftrace-0.12.1-orc-Fix-build-with-clang-13.patch
2022-05-10 07:48:42 +00:00

133 lines
3.9 KiB
Diff

From 3bde9d98aa48b9c7eba9fe559dee6c66d8b57634 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Sat, 4 Sep 2021 17:28:17 -0700
Subject: [PATCH] orc: Fix build with clang >= 13
Fixes errors like
src/ast/bpforc/bpforcv2.cpp:3:9: error: constructor for 'bpftrace::BpfOrc' must explicitly initialize the member 'ES' which does not have a default constructor
BpfOrc::BpfOrc(TargetMachine *TM, DataLayout DL)
^
Fixes https://github.com/iovisor/bpftrace/issues/1963
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
src/bpforc.h | 23 ++++++++++++++++++++++-
src/bpforcv2.cpp | 23 +++++++++++++++--------
2 files changed, 37 insertions(+), 9 deletions(-)
diff --git a/src/bpforc.h b/src/bpforc.h
index 5634c544..1900e497 100644
--- a/src/bpforc.h
+++ b/src/bpforc.h
@@ -20,6 +20,9 @@
#ifdef LLVM_ORC_V2
#include <llvm/ExecutionEngine/Orc/Core.h>
#include <llvm/ExecutionEngine/Orc/JITTargetMachineBuilder.h>
+#if LLVM_VERSION_MAJOR >= 13
+#include <llvm/ExecutionEngine/Orc/ExecutorProcessControl.h>
+#endif
#endif
#include <optional>
@@ -66,8 +69,12 @@ class BpfOrc
std::unique_ptr<TargetMachine> TM;
DataLayout DL;
#if LLVM_VERSION_MAJOR >= 7
+#ifdef LLVM_ORC_V2
+ std::unique_ptr<ExecutionSession> ES;
+#else // LLVM_ORC_V1
ExecutionSession ES;
#endif
+#endif
#if LLVM_VERSION_MAJOR >= 7 && LLVM_VERSION_MAJOR < 12
std::shared_ptr<SymbolResolver> Resolver;
#endif
@@ -92,7 +99,21 @@ class BpfOrc
#endif
public:
+#if LLVM_VERSION_MAJOR >= 13
+ ~BpfOrc()
+ {
+ if (auto Err = ES->endSession())
+ ES->reportError(std::move(Err));
+ }
+#endif
+#ifdef LLVM_ORC_V2
+ BpfOrc(TargetMachine *TM,
+ DataLayout DL,
+ std::unique_ptr<ExecutionSession> ES);
+#else
BpfOrc(TargetMachine *TM, DataLayout DL);
+#endif
+
void compile(std::unique_ptr<Module> M);
/* Helper for creating a orc object, responsible for creating internal objects
@@ -125,7 +146,7 @@ class BpfOrc
#ifdef LLVM_ORC_V2
Expected<JITEvaluatedSymbol> lookup(StringRef Name)
{
- return ES.lookup({ &MainJD }, Mangle(Name.str()));
+ return ES->lookup({ &MainJD }, Mangle(Name.str()));
}
#endif
};
diff --git a/src/bpforcv2.cpp b/src/bpforcv2.cpp
index 209e08e5..104213b0 100644
--- a/src/bpforcv2.cpp
+++ b/src/bpforcv2.cpp
@@ -1,24 +1,26 @@
// Included by bpforc.cpp
-BpfOrc::BpfOrc(TargetMachine *TM, DataLayout DL)
+BpfOrc::BpfOrc(TargetMachine *TM,
+ DataLayout DL,
+ std::unique_ptr<ExecutionSession> ES)
: TM(std::move(TM)),
DL(std::move(DL)),
- ObjectLayer(ES,
+ ES(std::move(ES)),
+ ObjectLayer(*(this->ES),
[this]() {
return std::make_unique<MemoryManager>(sections_);
}),
- CompileLayer(ES,
+ CompileLayer(*this->ES,
ObjectLayer,
std::make_unique<SimpleCompiler>(*this->TM)),
- Mangle(ES, this->DL),
+ Mangle(*this->ES, this->DL),
CTX(std::make_unique<LLVMContext>()),
- MainJD(cantFail(ES.createJITDylib("<main>")))
+ MainJD(cantFail(this->ES->createJITDylib("<main>")))
{
MainJD.addGenerator(
cantFail(DynamicLibrarySearchGenerator::GetForCurrentProcess(
DL.getGlobalPrefix())));
}
-
LLVMContext &BpfOrc::getContext()
{
return *CTX.getContext();
@@ -37,8 +39,13 @@ std::unique_ptr<BpfOrc> BpfOrc::Create()
// return unique_ptrs
auto DL = cantFail(JTMB.getDefaultDataLayoutForTarget());
auto TM = cantFail(JTMB.createTargetMachine());
-
- return std::make_unique<BpfOrc>(TM.release(), std::move(DL));
+#if LLVM_VERSION_MAJOR >= 13
+ auto EPC = SelfExecutorProcessControl::Create();
+ auto ES = std::make_unique<ExecutionSession>(std::move(*EPC));
+#else
+ auto ES = std::make_unique<ExecutionSession>();
+#endif
+ return std::make_unique<BpfOrc>(TM.release(), std::move(DL), std::move(ES));
}
void BpfOrc::compile(std::unique_ptr<Module> M)
--
2.31.1