0057-Xtensa-Use-ctors-for-Xtensa-target-by-default.patch

From 5929f57fb11be4ee12e5c50f956cdf542818dd01 Mon Sep 17 00:00:00 2001
From: Andrei Safronov <safronov@espressif.com>
Date: Wed, 5 Apr 2023 00:59:06 +0300
Subject: [PATCH 057/158] [Xtensa] Use ctors for Xtensa target by default

---
 llvm/lib/Target/Xtensa/CMakeLists.txt         |  1 +
 .../lib/Target/Xtensa/XtensaTargetMachine.cpp |  7 +++++-
 .../Target/Xtensa/XtensaTargetObjectFile.cpp  | 23 +++++++++++++++++
 .../Target/Xtensa/XtensaTargetObjectFile.h    | 25 +++++++++++++++++++
 4 files changed, 55 insertions(+), 1 deletion(-)
 create mode 100644 llvm/lib/Target/Xtensa/XtensaTargetObjectFile.cpp
 create mode 100644 llvm/lib/Target/Xtensa/XtensaTargetObjectFile.h

diff --git a/llvm/lib/Target/Xtensa/CMakeLists.txt b/llvm/lib/Target/Xtensa/CMakeLists.txt
index 1a3ff0c5311f..2d27fa78a9b8 100644
--- a/llvm/lib/Target/Xtensa/CMakeLists.txt
+++ b/llvm/lib/Target/Xtensa/CMakeLists.txt
@@ -27,6 +27,7 @@ add_llvm_target(XtensaCodeGen
   XtensaSizeReductionPass.cpp
   XtensaSubtarget.cpp
   XtensaTargetMachine.cpp
+  XtensaTargetObjectFile.cpp
 
   LINK_COMPONENTS
   AsmPrinter
diff --git a/llvm/lib/Target/Xtensa/XtensaTargetMachine.cpp b/llvm/lib/Target/Xtensa/XtensaTargetMachine.cpp
index 2d8e14589d60..4d7392b85839 100644
--- a/llvm/lib/Target/Xtensa/XtensaTargetMachine.cpp
+++ b/llvm/lib/Target/Xtensa/XtensaTargetMachine.cpp
@@ -14,6 +14,7 @@
 
 #include "XtensaMachineFunctionInfo.h"
 #include "XtensaTargetMachine.h"
+#include "XtensaTargetObjectFile.h"
 #include "TargetInfo/XtensaTargetInfo.h"
 #include "llvm/CodeGen/Passes.h"
 #include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
@@ -45,6 +46,10 @@ static Reloc::Model getEffectiveRelocModel(bool JIT,
   return *RM;
 }
 
+static std::unique_ptr<TargetLoweringObjectFile> createTLOF() {
+  return std::make_unique<XtensaElfTargetObjectFile>();
+}
+
 XtensaTargetMachine::XtensaTargetMachine(const Target &T, const Triple &TT,
                                          StringRef CPU, StringRef FS,
                                          const TargetOptions &Options,
@@ -55,7 +60,7 @@ XtensaTargetMachine::XtensaTargetMachine(const Target &T, const Triple &TT,
     : LLVMTargetMachine(T, computeDataLayout(TT, CPU, Options, IsLittle), TT,
                         CPU, FS, Options, getEffectiveRelocModel(JIT, RM),
                         getEffectiveCodeModel(CM, CodeModel::Small), OL),
-      TLOF(std::make_unique<TargetLoweringObjectFileELF>()),
+      TLOF(createTLOF()),
       Subtarget(TT, std::string(CPU), std::string(FS), *this) {
   initAsmInfo();
 }
diff --git a/llvm/lib/Target/Xtensa/XtensaTargetObjectFile.cpp b/llvm/lib/Target/Xtensa/XtensaTargetObjectFile.cpp
new file mode 100644
index 000000000000..27da879ea860
--- /dev/null
+++ b/llvm/lib/Target/Xtensa/XtensaTargetObjectFile.cpp
@@ -0,0 +1,23 @@
+//===-- llvm/Target/XtensaTargetObjectFile.cpp - Xtensa Object Info Impl --===//
+//
+// 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 "XtensaTargetObjectFile.h"
+#include "llvm/MC/MCContext.h"
+#include "llvm/Target/TargetMachine.h"
+
+using namespace llvm;
+
+//===----------------------------------------------------------------------===//
+//                               ELF Target
+//===----------------------------------------------------------------------===//
+
+void XtensaElfTargetObjectFile::Initialize(MCContext &Ctx,
+                                           const TargetMachine &TM) {
+  TargetLoweringObjectFileELF::Initialize(Ctx, TM);
+  InitializeELF(false);
+}
diff --git a/llvm/lib/Target/Xtensa/XtensaTargetObjectFile.h b/llvm/lib/Target/Xtensa/XtensaTargetObjectFile.h
new file mode 100644
index 000000000000..dae8f890459a
--- /dev/null
+++ b/llvm/lib/Target/Xtensa/XtensaTargetObjectFile.h
@@ -0,0 +1,25 @@
+//===- llvm/Target/XtensaTargetObjectFile.h - Xtensa Object Info -*- C++ -*-==//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_XTENSA_XTENSATARGETOBJECTFILE_H
+#define LLVM_LIB_TARGET_XTENSA_XTENSATARGETOBJECTFILE_H
+
+#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
+
+namespace llvm {
+
+class XtensaElfTargetObjectFile : public TargetLoweringObjectFileELF {
+public:
+  XtensaElfTargetObjectFile() : TargetLoweringObjectFileELF() {}
+
+  void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
+};
+
+} // end namespace llvm
+
+#endif // LLVM_LIB_TARGET_XTENSA_XTENSATARGETOBJECTFILE_H
-- 
2.40.1