1 files changed, 0 insertions, 249 deletions

diff --git a/wasm/OutputSections.cpp b/wasm/OutputSections.cpp
deleted file mode 100644
index 4123d63b7466..000000000000
--- a/wasm/OutputSections.cpp
+++ /dev/null
@@ -1,249 +0,0 @@
-//===- OutputSections.cpp -------------------------------------------------===//
-//
-//                             The LLVM Linker
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "OutputSections.h"
-#include "InputChunks.h"
-#include "InputFiles.h"
-#include "OutputSegment.h"
-#include "WriterUtils.h"
-#include "lld/Common/ErrorHandler.h"
-#include "lld/Common/Threads.h"
-#include "llvm/ADT/Twine.h"
-#include "llvm/Support/LEB128.h"
-
-#define DEBUG_TYPE "lld"
-
-using namespace llvm;
-using namespace llvm::wasm;
-using namespace lld;
-using namespace lld::wasm;
-
-static StringRef sectionTypeToString(uint32_t SectionType) {
-  switch (SectionType) {
-  case WASM_SEC_CUSTOM:
-    return "CUSTOM";
-  case WASM_SEC_TYPE:
-    return "TYPE";
-  case WASM_SEC_IMPORT:
-    return "IMPORT";
-  case WASM_SEC_FUNCTION:
-    return "FUNCTION";
-  case WASM_SEC_TABLE:
-    return "TABLE";
-  case WASM_SEC_MEMORY:
-    return "MEMORY";
-  case WASM_SEC_GLOBAL:
-    return "GLOBAL";
-  case WASM_SEC_EVENT:
-    return "EVENT";
-  case WASM_SEC_EXPORT:
-    return "EXPORT";
-  case WASM_SEC_START:
-    return "START";
-  case WASM_SEC_ELEM:
-    return "ELEM";
-  case WASM_SEC_CODE:
-    return "CODE";
-  case WASM_SEC_DATA:
-    return "DATA";
-  default:
-    fatal("invalid section type");
-  }
-}
-
-// Returns a string, e.g. "FUNCTION(.text)".
-std::string lld::toString(const OutputSection &Sec) {
-  if (!Sec.Name.empty())
-    return (Sec.getSectionName() + "(" + Sec.Name + ")").str();
-  return Sec.getSectionName();
-}
-
-StringRef OutputSection::getSectionName() const {
-  return sectionTypeToString(Type);
-}
-
-void OutputSection::createHeader(size_t BodySize) {
-  raw_string_ostream OS(Header);
-  debugWrite(OS.tell(), "section type [" + getSectionName() + "]");
-  encodeULEB128(Type, OS);
-  writeUleb128(OS, BodySize, "section size");
-  OS.flush();
-  log("createHeader: " + toString(*this) + " body=" + Twine(BodySize) +
-      " total=" + Twine(getSize()));
-}
-
-CodeSection::CodeSection(ArrayRef<InputFunction *> Functions)
-    : OutputSection(WASM_SEC_CODE), Functions(Functions) {
-  assert(Functions.size() > 0);
-
-  raw_string_ostream OS(CodeSectionHeader);
-  writeUleb128(OS, Functions.size(), "function count");
-  OS.flush();
-  BodySize = CodeSectionHeader.size();
-
-  for (InputFunction *Func : Functions) {
-    Func->OutputOffset = BodySize;
-    Func->calculateSize();
-    BodySize += Func->getSize();
-  }
-
-  createHeader(BodySize);
-}
-
-void CodeSection::writeTo(uint8_t *Buf) {
-  log("writing " + toString(*this));
-  log(" size=" + Twine(getSize()));
-  log(" headersize=" + Twine(Header.size()));
-  log(" codeheadersize=" + Twine(CodeSectionHeader.size()));
-  Buf += Offset;
-
-  // Write section header
-  memcpy(Buf, Header.data(), Header.size());
-  Buf += Header.size();
-
-  // Write code section headers
-  memcpy(Buf, CodeSectionHeader.data(), CodeSectionHeader.size());
-
-  // Write code section bodies
-  parallelForEach(Functions,
-                  [&](const InputChunk *Chunk) { Chunk->writeTo(Buf); });
-}
-
-uint32_t CodeSection::numRelocations() const {
-  uint32_t Count = 0;
-  for (const InputChunk *Func : Functions)
-    Count += Func->NumRelocations();
-  return Count;
-}
-
-void CodeSection::writeRelocations(raw_ostream &OS) const {
-  for (const InputChunk *C : Functions)
-    C->writeRelocations(OS);
-}
-
-DataSection::DataSection(ArrayRef<OutputSegment *> Segments)
-    : OutputSection(WASM_SEC_DATA), Segments(Segments) {
-  raw_string_ostream OS(DataSectionHeader);
-
-  writeUleb128(OS, Segments.size(), "data segment count");
-  OS.flush();
-  BodySize = DataSectionHeader.size();
-
-  for (OutputSegment *Segment : Segments) {
-    raw_string_ostream OS(Segment->Header);
-    writeUleb128(OS, 0, "memory index");
-    WasmInitExpr InitExpr;
-    if (Config->Pic) {
-      assert(Segments.size() <= 1 &&
-             "Currenly only a single data segment is supported in PIC mode");
-      InitExpr.Opcode = WASM_OPCODE_GLOBAL_GET;
-      InitExpr.Value.Global = WasmSym::MemoryBase->getGlobalIndex();
-    } else {
-      InitExpr.Opcode = WASM_OPCODE_I32_CONST;
-      InitExpr.Value.Int32 = Segment->StartVA;
-    }
-    writeInitExpr(OS, InitExpr);
-    writeUleb128(OS, Segment->Size, "segment size");
-    OS.flush();
-
-    Segment->SectionOffset = BodySize;
-    BodySize += Segment->Header.size() + Segment->Size;
-    log("Data segment: size=" + Twine(Segment->Size));
-
-    for (InputSegment *InputSeg : Segment->InputSegments)
-      InputSeg->OutputOffset = Segment->SectionOffset + Segment->Header.size() +
-                               InputSeg->OutputSegmentOffset;
-  }
-
-  createHeader(BodySize);
-}
-
-void DataSection::writeTo(uint8_t *Buf) {
-  log("writing " + toString(*this) + " size=" + Twine(getSize()) +
-      " body=" + Twine(BodySize));
-  Buf += Offset;
-
-  // Write section header
-  memcpy(Buf, Header.data(), Header.size());
-  Buf += Header.size();
-
-  // Write data section headers
-  memcpy(Buf, DataSectionHeader.data(), DataSectionHeader.size());
-
-  parallelForEach(Segments, [&](const OutputSegment *Segment) {
-    // Write data segment header
-    uint8_t *SegStart = Buf + Segment->SectionOffset;
-    memcpy(SegStart, Segment->Header.data(), Segment->Header.size());
-
-    // Write segment data payload
-    for (const InputChunk *Chunk : Segment->InputSegments)
-      Chunk->writeTo(Buf);
-  });
-}
-
-uint32_t DataSection::numRelocations() const {
-  uint32_t Count = 0;
-  for (const OutputSegment *Seg : Segments)
-    for (const InputChunk *InputSeg : Seg->InputSegments)
-      Count += InputSeg->NumRelocations();
-  return Count;
-}
-
-void DataSection::writeRelocations(raw_ostream &OS) const {
-  for (const OutputSegment *Seg : Segments)
-    for (const InputChunk *C : Seg->InputSegments)
-      C->writeRelocations(OS);
-}
-
-CustomSection::CustomSection(std::string Name,
-                             ArrayRef<InputSection *> InputSections)
-    : OutputSection(WASM_SEC_CUSTOM, Name), PayloadSize(0),
-      InputSections(InputSections) {
-  raw_string_ostream OS(NameData);
-  encodeULEB128(Name.size(), OS);
-  OS << Name;
-  OS.flush();
-
-  for (InputSection *Section : InputSections) {
-    Section->OutputOffset = PayloadSize;
-    PayloadSize += Section->getSize();
-  }
-
-  createHeader(PayloadSize + NameData.size());
-}
-
-void CustomSection::writeTo(uint8_t *Buf) {
-  log("writing " + toString(*this) + " size=" + Twine(getSize()) +
-      " chunks=" + Twine(InputSections.size()));
-
-  assert(Offset);
-  Buf += Offset;
-
-  // Write section header
-  memcpy(Buf, Header.data(), Header.size());
-  Buf += Header.size();
-  memcpy(Buf, NameData.data(), NameData.size());
-  Buf += NameData.size();
-
-  // Write custom sections payload
-  parallelForEach(InputSections,
-                  [&](const InputSection *Section) { Section->writeTo(Buf); });
-}
-
-uint32_t CustomSection::numRelocations() const {
-  uint32_t Count = 0;
-  for (const InputSection *InputSect : InputSections)
-    Count += InputSect->NumRelocations();
-  return Count;
-}
-
-void CustomSection::writeRelocations(raw_ostream &OS) const {
-  for (const InputSection *S : InputSections)
-    S->writeRelocations(OS);
-}