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-rw-r--r--compiler/debug/dwarf/headers.h162
1 files changed, 0 insertions, 162 deletions
diff --git a/compiler/debug/dwarf/headers.h b/compiler/debug/dwarf/headers.h
deleted file mode 100644
index 3cc8ad8290..0000000000
--- a/compiler/debug/dwarf/headers.h
+++ /dev/null
@@ -1,162 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ART_COMPILER_DEBUG_DWARF_HEADERS_H_
-#define ART_COMPILER_DEBUG_DWARF_HEADERS_H_
-
-#include <cstdint>
-
-#include "base/array_ref.h"
-#include "debug/dwarf/debug_frame_opcode_writer.h"
-#include "debug/dwarf/debug_info_entry_writer.h"
-#include "debug/dwarf/debug_line_opcode_writer.h"
-#include "debug/dwarf/dwarf_constants.h"
-#include "debug/dwarf/register.h"
-#include "debug/dwarf/writer.h"
-
-namespace art {
-namespace dwarf {
-
-// Note that all headers start with 32-bit length.
-// DWARF also supports 64-bit lengths, but we never use that.
-// It is intended to support very large debug sections (>4GB),
-// and compilers are expected *not* to use it by default.
-// In particular, it is not related to machine architecture.
-
-// Write common information entry (CIE) to .debug_frame or .eh_frame section.
-template<typename Vector>
-void WriteCIE(bool is64bit,
- Reg return_address_register,
- const DebugFrameOpCodeWriter<Vector>& opcodes,
- std::vector<uint8_t>* buffer) {
- static_assert(std::is_same<typename Vector::value_type, uint8_t>::value, "Invalid value type");
-
- Writer<> writer(buffer);
- size_t cie_header_start_ = writer.data()->size();
- writer.PushUint32(0); // Length placeholder.
- writer.PushUint32(0xFFFFFFFF); // CIE id.
- writer.PushUint8(1); // Version.
- writer.PushString("zR");
- writer.PushUleb128(DebugFrameOpCodeWriter<Vector>::kCodeAlignmentFactor);
- writer.PushSleb128(DebugFrameOpCodeWriter<Vector>::kDataAlignmentFactor);
- writer.PushUleb128(return_address_register.num()); // ubyte in DWARF2.
- writer.PushUleb128(1); // z: Augmentation data size.
- if (is64bit) {
- writer.PushUint8(DW_EH_PE_absptr | DW_EH_PE_udata8); // R: Pointer encoding.
- } else {
- writer.PushUint8(DW_EH_PE_absptr | DW_EH_PE_udata4); // R: Pointer encoding.
- }
- writer.PushData(opcodes.data());
- writer.Pad(is64bit ? 8 : 4);
- writer.UpdateUint32(cie_header_start_, writer.data()->size() - cie_header_start_ - 4);
-}
-
-// Write frame description entry (FDE) to .debug_frame or .eh_frame section.
-inline
-void WriteFDE(bool is64bit,
- uint64_t cie_pointer, // Offset of relevant CIE in debug_frame setcion.
- uint64_t code_address,
- uint64_t code_size,
- const ArrayRef<const uint8_t>& opcodes,
- /*inout*/ std::vector<uint8_t>* buffer) {
- Writer<> writer(buffer);
- size_t fde_header_start = writer.data()->size();
- writer.PushUint32(0); // Length placeholder.
- writer.PushUint32(cie_pointer);
- // Relocate code_address if it has absolute value.
- if (is64bit) {
- writer.PushUint64(code_address);
- writer.PushUint64(code_size);
- } else {
- writer.PushUint32(code_address);
- writer.PushUint32(code_size);
- }
- writer.PushUleb128(0); // Augmentation data size.
- writer.PushData(opcodes.data(), opcodes.size());
- writer.Pad(is64bit ? 8 : 4);
- writer.UpdateUint32(fde_header_start, writer.data()->size() - fde_header_start - 4);
-}
-
-// Write compilation unit (CU) to .debug_info section.
-template<typename Vector>
-void WriteDebugInfoCU(uint32_t debug_abbrev_offset,
- const DebugInfoEntryWriter<Vector>& entries,
- std::vector<uint8_t>* debug_info) {
- static_assert(std::is_same<typename Vector::value_type, uint8_t>::value, "Invalid value type");
-
- Writer<> writer(debug_info);
- size_t start = writer.data()->size();
- writer.PushUint32(0); // Length placeholder.
- writer.PushUint16(4); // Version.
- writer.PushUint32(debug_abbrev_offset);
- writer.PushUint8(entries.Is64bit() ? 8 : 4);
- size_t entries_offset = writer.data()->size();
- DCHECK_EQ(entries_offset, DebugInfoEntryWriter<Vector>::kCompilationUnitHeaderSize);
- writer.PushData(entries.data());
- writer.UpdateUint32(start, writer.data()->size() - start - 4);
-}
-
-struct FileEntry {
- std::string file_name;
- int directory_index;
- int modification_time;
- int file_size;
-};
-
-// Write line table to .debug_line section.
-template<typename Vector>
-void WriteDebugLineTable(const std::vector<std::string>& include_directories,
- const std::vector<FileEntry>& files,
- const DebugLineOpCodeWriter<Vector>& opcodes,
- std::vector<uint8_t>* debug_line) {
- static_assert(std::is_same<typename Vector::value_type, uint8_t>::value, "Invalid value type");
-
- Writer<> writer(debug_line);
- size_t header_start = writer.data()->size();
- writer.PushUint32(0); // Section-length placeholder.
- writer.PushUint16(3); // .debug_line version.
- size_t header_length_pos = writer.data()->size();
- writer.PushUint32(0); // Header-length placeholder.
- writer.PushUint8(1 << opcodes.GetCodeFactorBits());
- writer.PushUint8(DebugLineOpCodeWriter<Vector>::kDefaultIsStmt ? 1 : 0);
- writer.PushInt8(DebugLineOpCodeWriter<Vector>::kLineBase);
- writer.PushUint8(DebugLineOpCodeWriter<Vector>::kLineRange);
- writer.PushUint8(DebugLineOpCodeWriter<Vector>::kOpcodeBase);
- static const int opcode_lengths[DebugLineOpCodeWriter<Vector>::kOpcodeBase] = {
- 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 1 };
- for (int i = 1; i < DebugLineOpCodeWriter<Vector>::kOpcodeBase; i++) {
- writer.PushUint8(opcode_lengths[i]);
- }
- for (const std::string& directory : include_directories) {
- writer.PushData(directory.data(), directory.size() + 1);
- }
- writer.PushUint8(0); // Terminate include_directories list.
- for (const FileEntry& file : files) {
- writer.PushData(file.file_name.data(), file.file_name.size() + 1);
- writer.PushUleb128(file.directory_index);
- writer.PushUleb128(file.modification_time);
- writer.PushUleb128(file.file_size);
- }
- writer.PushUint8(0); // Terminate file list.
- writer.UpdateUint32(header_length_pos, writer.data()->size() - header_length_pos - 4);
- writer.PushData(opcodes.data());
- writer.UpdateUint32(header_start, writer.data()->size() - header_start - 4);
-}
-
-} // namespace dwarf
-} // namespace art
-
-#endif // ART_COMPILER_DEBUG_DWARF_HEADERS_H_
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