vendor/llvm/llvm-release_39-r276489

1 files changed, 1 insertions, 54 deletions

diff --git a/lib/MC/MCWinEH.cpp b/lib/MC/MCWinEH.cpp
index 83af203c7acb1..21a913999f64e 100644
--- a/lib/MC/MCWinEH.cpp
+++ b/lib/MC/MCWinEH.cpp
@@ -19,60 +19,7 @@
 namespace llvm {
 namespace WinEH {
 
-/// We can't have one section for all .pdata or .xdata because the Microsoft
-/// linker seems to want all code relocations to refer to the same object file
-/// section. If the code described is comdat, create a new comdat section
-/// associated with that comdat. If the code described is not in the main .text
-/// section, make a new section for it. Otherwise use the main unwind info
-/// section.
-static MCSection *getUnwindInfoSection(StringRef SecName,
-                                       MCSectionCOFF *UnwindSec,
-                                       const MCSymbol *Function,
-                                       MCContext &Context) {
-  if (Function && Function->isInSection()) {
-    // If Function is in a COMDAT, get or create an unwind info section in that
-    // COMDAT group.
-    const MCSectionCOFF *FunctionSection =
-        cast<MCSectionCOFF>(&Function->getSection());
-    if (FunctionSection->getCharacteristics() & COFF::IMAGE_SCN_LNK_COMDAT) {
-      return Context.getAssociativeCOFFSection(
-          UnwindSec, FunctionSection->getCOMDATSymbol());
-    }
-
-    // If Function is in a section other than .text, create a new .pdata section.
-    // Otherwise use the plain .pdata section.
-    if (const auto *Section = dyn_cast<MCSectionCOFF>(FunctionSection)) {
-      StringRef CodeSecName = Section->getSectionName();
-      if (CodeSecName == ".text")
-        return UnwindSec;
-
-      if (CodeSecName.startswith(".text$"))
-        CodeSecName = CodeSecName.substr(6);
-
-      return Context.getCOFFSection((SecName + Twine('$') + CodeSecName).str(),
-                                    COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
-                                        COFF::IMAGE_SCN_MEM_READ,
-                                    SectionKind::getData());
-    }
-  }
-
-  return UnwindSec;
-
-}
-
-MCSection *UnwindEmitter::getPDataSection(const MCSymbol *Function,
-                                          MCContext &Context) {
-  MCSectionCOFF *PData =
-      cast<MCSectionCOFF>(Context.getObjectFileInfo()->getPDataSection());
-  return getUnwindInfoSection(".pdata", PData, Function, Context);
-}
-
-MCSection *UnwindEmitter::getXDataSection(const MCSymbol *Function,
-                                          MCContext &Context) {
-  MCSectionCOFF *XData =
-      cast<MCSectionCOFF>(Context.getObjectFileInfo()->getXDataSection());
-  return getUnwindInfoSection(".xdata", XData, Function, Context);
-}
+UnwindEmitter::~UnwindEmitter() {}
 
 }
 }