diff options
author | 2019-02-12 16:35:48 +0000 | |
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committer | 2019-03-20 15:20:54 +0000 | |
commit | 2faab0064bccdf06a454ba5fc37f2cfeceab78bc (patch) | |
tree | bc51a211068019d77e7739164adf5be5c6333b7b /compiler/debug/dwarf/writer.h | |
parent | 5f1465ff689eccbb1b6d15160d1a3700793956da (diff) |
Create libelffile library for ELF file manipulation.
Move some of our tooling to library to make it reusable.
Remove MIPS support from the ELF builder. This is slightly
easier than making it independent of the runtime.
Bug: 110133331
Test: test.py -b --host
Change-Id: I93343808d0e27ee8e1117e713a2503e8179fc245
Diffstat (limited to 'compiler/debug/dwarf/writer.h')
-rw-r--r-- | compiler/debug/dwarf/writer.h | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/compiler/debug/dwarf/writer.h b/compiler/debug/dwarf/writer.h deleted file mode 100644 index c09d97aa79..0000000000 --- a/compiler/debug/dwarf/writer.h +++ /dev/null @@ -1,184 +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_WRITER_H_ -#define ART_COMPILER_DEBUG_DWARF_WRITER_H_ - -#include <type_traits> -#include <vector> - -#include <android-base/logging.h> - -#include "base/bit_utils.h" -#include "base/leb128.h" - -namespace art { -namespace dwarf { - -// The base class for all DWARF writers. -template <typename Vector = std::vector<uint8_t>> -class Writer { - static_assert(std::is_same<typename Vector::value_type, uint8_t>::value, "Invalid value type"); - - public: - void PushUint8(int value) { - DCHECK_GE(value, 0); - DCHECK_LE(value, UINT8_MAX); - data_->push_back(value & 0xff); - } - - void PushUint16(int value) { - DCHECK_GE(value, 0); - DCHECK_LE(value, UINT16_MAX); - data_->push_back((value >> 0) & 0xff); - data_->push_back((value >> 8) & 0xff); - } - - void PushUint32(uint32_t value) { - data_->push_back((value >> 0) & 0xff); - data_->push_back((value >> 8) & 0xff); - data_->push_back((value >> 16) & 0xff); - data_->push_back((value >> 24) & 0xff); - } - - void PushUint32(int value) { - DCHECK_GE(value, 0); - PushUint32(static_cast<uint32_t>(value)); - } - - void PushUint32(uint64_t value) { - DCHECK_LE(value, UINT32_MAX); - PushUint32(static_cast<uint32_t>(value)); - } - - void PushUint64(uint64_t value) { - data_->push_back((value >> 0) & 0xff); - data_->push_back((value >> 8) & 0xff); - data_->push_back((value >> 16) & 0xff); - data_->push_back((value >> 24) & 0xff); - data_->push_back((value >> 32) & 0xff); - data_->push_back((value >> 40) & 0xff); - data_->push_back((value >> 48) & 0xff); - data_->push_back((value >> 56) & 0xff); - } - - void PushInt8(int value) { - DCHECK_GE(value, INT8_MIN); - DCHECK_LE(value, INT8_MAX); - PushUint8(static_cast<uint8_t>(value)); - } - - void PushInt16(int value) { - DCHECK_GE(value, INT16_MIN); - DCHECK_LE(value, INT16_MAX); - PushUint16(static_cast<uint16_t>(value)); - } - - void PushInt32(int value) { - PushUint32(static_cast<uint32_t>(value)); - } - - void PushInt64(int64_t value) { - PushUint64(static_cast<uint64_t>(value)); - } - - // Variable-length encoders. - - void PushUleb128(uint32_t value) { - EncodeUnsignedLeb128(data_, value); - } - - void PushUleb128(int value) { - DCHECK_GE(value, 0); - EncodeUnsignedLeb128(data_, value); - } - - void PushSleb128(int value) { - EncodeSignedLeb128(data_, value); - } - - // Miscellaneous functions. - - void PushString(const char* value) { - data_->insert(data_->end(), value, value + strlen(value) + 1); - } - - void PushData(const uint8_t* ptr, size_t num_bytes) { - data_->insert(data_->end(), ptr, ptr + num_bytes); - } - - void PushData(const char* ptr, size_t num_bytes) { - data_->insert(data_->end(), ptr, ptr + num_bytes); - } - - void PushData(const Vector* buffer) { - data_->insert(data_->end(), buffer->begin(), buffer->end()); - } - - void UpdateUint32(size_t offset, uint32_t value) { - DCHECK_LT(offset + 3, data_->size()); - (*data_)[offset + 0] = (value >> 0) & 0xFF; - (*data_)[offset + 1] = (value >> 8) & 0xFF; - (*data_)[offset + 2] = (value >> 16) & 0xFF; - (*data_)[offset + 3] = (value >> 24) & 0xFF; - } - - void UpdateUint64(size_t offset, uint64_t value) { - DCHECK_LT(offset + 7, data_->size()); - (*data_)[offset + 0] = (value >> 0) & 0xFF; - (*data_)[offset + 1] = (value >> 8) & 0xFF; - (*data_)[offset + 2] = (value >> 16) & 0xFF; - (*data_)[offset + 3] = (value >> 24) & 0xFF; - (*data_)[offset + 4] = (value >> 32) & 0xFF; - (*data_)[offset + 5] = (value >> 40) & 0xFF; - (*data_)[offset + 6] = (value >> 48) & 0xFF; - (*data_)[offset + 7] = (value >> 56) & 0xFF; - } - - void UpdateUleb128(size_t offset, uint32_t value) { - DCHECK_LE(offset + UnsignedLeb128Size(value), data_->size()); - UpdateUnsignedLeb128(data_->data() + offset, value); - } - - void Pop() { - return data_->pop_back(); - } - - void Pad(int alignment) { - DCHECK_NE(alignment, 0); - data_->resize(RoundUp(data_->size(), alignment), 0); - } - - const Vector* data() const { - return data_; - } - - size_t size() const { - return data_->size(); - } - - explicit Writer(Vector* buffer) : data_(buffer) { } - - private: - Vector* const data_; - - DISALLOW_COPY_AND_ASSIGN(Writer); -}; - -} // namespace dwarf -} // namespace art - -#endif // ART_COMPILER_DEBUG_DWARF_WRITER_H_ |