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author | Vladimir Marko <vmarko@google.com> | 2014-04-09 18:45:35 +0100 |
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committer | Vladimir Marko <vmarko@google.com> | 2014-04-25 12:24:46 +0100 |
commit | 8a630577ed2d9e9571c3434c505e5de223b23c07 (patch) | |
tree | 106367100c639011f0abb72b3b0e227c0764e8e0 /runtime/oat_file-inl.h | |
parent | 96c6ab93336b972a38bd2448bcccf19188b8389b (diff) | |
download | art-8a630577ed2d9e9571c3434c505e5de223b23c07.zip art-8a630577ed2d9e9571c3434c505e5de223b23c07.tar.gz art-8a630577ed2d9e9571c3434c505e5de223b23c07.tar.bz2 |
Move mapping table and vmap table offsets to OatMethodHeader.
This change has a libcore/ companion CL
"Remove ArtMethod's quick fields mapping table and vmap table."
https://android-review.googlesource.com/91254
Bug: 11767815
Change-Id: I46ce2067e1ecd915da3890606498e31ffc332813
Diffstat (limited to 'runtime/oat_file-inl.h')
-rw-r--r-- | runtime/oat_file-inl.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/runtime/oat_file-inl.h b/runtime/oat_file-inl.h new file mode 100644 index 0000000..00ae797 --- /dev/null +++ b/runtime/oat_file-inl.h @@ -0,0 +1,60 @@ +/* + * Copyright (C) 2014 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_RUNTIME_OAT_FILE_INL_H_ +#define ART_RUNTIME_OAT_FILE_INL_H_ + +#include "oat_file.h" + +namespace art { + +inline uint32_t OatFile::OatMethod::GetMappingTableOffset() const { + const uint8_t* mapping_table = GetMappingTable(); + return static_cast<uint32_t>(mapping_table != nullptr ? mapping_table - begin_ : 0u); +} + +inline uint32_t OatFile::OatMethod::GetVmapTableOffset() const { + const uint8_t* vmap_table = GetVmapTable(); + return static_cast<uint32_t>(vmap_table != nullptr ? vmap_table - begin_ : 0u); +} + +inline const uint8_t* OatFile::OatMethod::GetMappingTable() const { + const void* code = mirror::ArtMethod::EntryPointToCodePointer(GetQuickCode()); + if (code == nullptr) { + return nullptr; + } + uint32_t offset = reinterpret_cast<const OatMethodHeader*>(code)[-1].mapping_table_offset_; + if (UNLIKELY(offset == 0u)) { + return nullptr; + } + return reinterpret_cast<const uint8_t*>(code) - offset; +} + +inline const uint8_t* OatFile::OatMethod::GetVmapTable() const { + const void* code = mirror::ArtMethod::EntryPointToCodePointer(GetQuickCode()); + if (code == nullptr) { + return nullptr; + } + uint32_t offset = reinterpret_cast<const OatMethodHeader*>(code)[-1].vmap_table_offset_; + if (UNLIKELY(offset == 0u)) { + return nullptr; + } + return reinterpret_cast<const uint8_t*>(code) - offset; +} + +} // namespace art + +#endif // ART_RUNTIME_OAT_FILE_INL_H_ |