1 files changed, 0 insertions, 154 deletions
diff --git a/contrib/llvm/lib/CodeGen/FaultMaps.cpp b/contrib/llvm/lib/CodeGen/FaultMaps.cpp
deleted file mode 100644
index 600f72d320eb..000000000000
--- a/contrib/llvm/lib/CodeGen/FaultMaps.cpp
+++ /dev/null
@@ -1,154 +0,0 @@
-//===- FaultMaps.cpp ------------------------------------------------------===//
-//
-// 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 "llvm/CodeGen/FaultMaps.h"
-#include "llvm/ADT/Twine.h"
-#include "llvm/CodeGen/AsmPrinter.h"
-#include "llvm/MC/MCContext.h"
-#include "llvm/MC/MCExpr.h"
-#include "llvm/MC/MCObjectFileInfo.h"
-#include "llvm/MC/MCStreamer.h"
-#include "llvm/Support/Debug.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/Format.h"
-#include "llvm/Support/raw_ostream.h"
-
-using namespace llvm;
-
-#define DEBUG_TYPE "faultmaps"
-
-static const int FaultMapVersion = 1;
-const char *FaultMaps::WFMP = "Fault Maps: ";
-
-FaultMaps::FaultMaps(AsmPrinter &AP) : AP(AP) {}
-
-void FaultMaps::recordFaultingOp(FaultKind FaultTy,
-                                 const MCSymbol *HandlerLabel) {
-  MCContext &OutContext = AP.OutStreamer->getContext();
-  MCSymbol *FaultingLabel = OutContext.createTempSymbol();
-
-  AP.OutStreamer->EmitLabel(FaultingLabel);
-
-  const MCExpr *FaultingOffset = MCBinaryExpr::createSub(
-      MCSymbolRefExpr::create(FaultingLabel, OutContext),
-      MCSymbolRefExpr::create(AP.CurrentFnSymForSize, OutContext), OutContext);
-
-  const MCExpr *HandlerOffset = MCBinaryExpr::createSub(
-      MCSymbolRefExpr::create(HandlerLabel, OutContext),
-      MCSymbolRefExpr::create(AP.CurrentFnSymForSize, OutContext), OutContext);
-
-  FunctionInfos[AP.CurrentFnSym].emplace_back(FaultTy, FaultingOffset,
-                                              HandlerOffset);
-}
-
-void FaultMaps::serializeToFaultMapSection() {
-  if (FunctionInfos.empty())
-    return;
-
-  MCContext &OutContext = AP.OutStreamer->getContext();
-  MCStreamer &OS = *AP.OutStreamer;
-
-  // Create the section.
-  MCSection *FaultMapSection =
-      OutContext.getObjectFileInfo()->getFaultMapSection();
-  OS.SwitchSection(FaultMapSection);
-
-  // Emit a dummy symbol to force section inclusion.
-  OS.EmitLabel(OutContext.getOrCreateSymbol(Twine("__LLVM_FaultMaps")));
-
-  LLVM_DEBUG(dbgs() << "********** Fault Map Output **********\n");
-
-  // Header
-  OS.EmitIntValue(FaultMapVersion, 1); // Version.
-  OS.EmitIntValue(0, 1);               // Reserved.
-  OS.EmitIntValue(0, 2);               // Reserved.
-
-  LLVM_DEBUG(dbgs() << WFMP << "#functions = " << FunctionInfos.size() << "\n");
-  OS.EmitIntValue(FunctionInfos.size(), 4);
-
-  LLVM_DEBUG(dbgs() << WFMP << "functions:\n");
-
-  for (const auto &FFI : FunctionInfos)
-    emitFunctionInfo(FFI.first, FFI.second);
-}
-
-void FaultMaps::emitFunctionInfo(const MCSymbol *FnLabel,
-                                 const FunctionFaultInfos &FFI) {
-  MCStreamer &OS = *AP.OutStreamer;
-
-  LLVM_DEBUG(dbgs() << WFMP << "  function addr: " << *FnLabel << "\n");
-  OS.EmitSymbolValue(FnLabel, 8);
-
-  LLVM_DEBUG(dbgs() << WFMP << "  #faulting PCs: " << FFI.size() << "\n");
-  OS.EmitIntValue(FFI.size(), 4);
-
-  OS.EmitIntValue(0, 4); // Reserved
-
-  for (auto &Fault : FFI) {
-    LLVM_DEBUG(dbgs() << WFMP << "    fault type: "
-                      << faultTypeToString(Fault.Kind) << "\n");
-    OS.EmitIntValue(Fault.Kind, 4);
-
-    LLVM_DEBUG(dbgs() << WFMP << "    faulting PC offset: "
-                      << *Fault.FaultingOffsetExpr << "\n");
-    OS.EmitValue(Fault.FaultingOffsetExpr, 4);
-
-    LLVM_DEBUG(dbgs() << WFMP << "    fault handler PC offset: "
-                      << *Fault.HandlerOffsetExpr << "\n");
-    OS.EmitValue(Fault.HandlerOffsetExpr, 4);
-  }
-}
-
-const char *FaultMaps::faultTypeToString(FaultMaps::FaultKind FT) {
-  switch (FT) {
-  default:
-    llvm_unreachable("unhandled fault type!");
-  case FaultMaps::FaultingLoad:
-    return "FaultingLoad";
-  case FaultMaps::FaultingLoadStore:
-    return "FaultingLoadStore";
-  case FaultMaps::FaultingStore:
-    return "FaultingStore";
-  }
-}
-
-raw_ostream &llvm::
-operator<<(raw_ostream &OS,
-           const FaultMapParser::FunctionFaultInfoAccessor &FFI) {
-  OS << "Fault kind: "
-     << FaultMaps::faultTypeToString((FaultMaps::FaultKind)FFI.getFaultKind())
-     << ", faulting PC offset: " << FFI.getFaultingPCOffset()
-     << ", handling PC offset: " << FFI.getHandlerPCOffset();
-  return OS;
-}
-
-raw_ostream &llvm::
-operator<<(raw_ostream &OS, const FaultMapParser::FunctionInfoAccessor &FI) {
-  OS << "FunctionAddress: " << format_hex(FI.getFunctionAddr(), 8)
-     << ", NumFaultingPCs: " << FI.getNumFaultingPCs() << "\n";
-  for (unsigned i = 0, e = FI.getNumFaultingPCs(); i != e; ++i)
-    OS << FI.getFunctionFaultInfoAt(i) << "\n";
-  return OS;
-}
-
-raw_ostream &llvm::operator<<(raw_ostream &OS, const FaultMapParser &FMP) {
-  OS << "Version: " << format_hex(FMP.getFaultMapVersion(), 2) << "\n";
-  OS << "NumFunctions: " << FMP.getNumFunctions() << "\n";
-
-  if (FMP.getNumFunctions() == 0)
-    return OS;
-
-  FaultMapParser::FunctionInfoAccessor FI;
-
-  for (unsigned i = 0, e = FMP.getNumFunctions(); i != e; ++i) {
-    FI = (i == 0) ? FMP.getFirstFunctionInfo() : FI.getNextFunctionInfo();
-    OS << FI;
-  }
-
-  return OS;
-}