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https://gitee.com/openharmony/arkcompiler_ets_runtime
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918df80092
issue:https://gitee.com/openharmony/arkcompiler_ets_runtime/issues/I92XQ0 Signed-off-by: luobinghao <luobinghao@huawei.com> Change-Id: I10587767b64128da8f1abc04a625027561956c9d
97 lines
4.1 KiB
C++
97 lines
4.1 KiB
C++
/*
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* Copyright (c) 2022 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ECMASCRIPT_ARK_STACKMAP_H
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#define ECMASCRIPT_ARK_STACKMAP_H
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#include "ecmascript/stackmap/llvm/llvm_stackmap_type.h"
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namespace panda::ecmascript::kungfu {
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struct ARKConst {
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LLVMStackMapType::IntType offset;
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};
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struct ArkStackMapHeader {
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uint32_t secSize;
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uint32_t callsiteNum;
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};
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#pragma pack(1)
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struct CallsiteHeader {
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uint32_t calliteOffsetInTxtSec {0}; // relative text start addr
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uint32_t stackmapOffsetInSMSec{0}; // relative stackmap start addr
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uint32_t deoptOffset {0};
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uint16_t stackmapNum {0};
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uint16_t deoptNum {0};
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};
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#pragma pack ()
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/* <vregId and kind, value> */
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struct ARKDeopt {
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LLVMStackMapType::VRegId id; // deoptid
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LocationTy::Kind kind;
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std::variant<LLVMStackMapType::IntType, LLVMStackMapType::LargeInt, LLVMStackMapType::DwarfRegAndOffsetType> value;
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};
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struct ARKCallsite {
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CallsiteHeader head;
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LLVMStackMapType::CallSiteInfo stackmaps;
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std::vector<kungfu::ARKDeopt> callsite2Deopt;
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bool operator < (const ARKCallsite & x) const
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{
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return head.calliteOffsetInTxtSec < x.head.calliteOffsetInTxtSec;
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}
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uint32_t CalHeadSize() const;
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uint32_t CalStackMapSize(Triple triple) const;
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};
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struct ARKCallsiteAOTFileInfo {
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ArkStackMapHeader secHead;
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std::vector<ARKCallsite> callsites;
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};
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using ArkStackMap = LLVMStackMapType::CallSiteInfo;
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using CalleeRegAndOffsetVec = std::vector<LLVMStackMapType::DwarfRegAndOffsetType>;
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// * ArkStackMap layout as the following:
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// +-----------------------------------------+ ---------
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// | secSize | ^
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// |-----------------------------------------| ArkStackMapHeader
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// | callsiteNum | v
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// +-----------------------------------------+ ---------
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// | calliteOffsetInTxtSec | ^
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// |-----------------------------------------| |
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// | stackmapOffsetInSMSec | |
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// |-----------------------------------------| |
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// | deoptOffset | CallsiteHeader[0]
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// |-----------------------------------------| |
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// | stackmapNum | |
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// |-----------------------------------------| |
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// | deoptNum | v
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// |-----------------------------------------| ---------
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// | . . . . . |
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// +-----------------------------------------+ ---------
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// | dwarfRegAndOff(sleb128) | StackMaps[0]
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// |-----------------------------------------| ---------
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// | . . . . . |
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// +-----------------------------------------+ ---------
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// | vregIdAndKind(sleb128) | ^
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// |-----------------------------------------| Deopts[0]
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// | value(sleb128) | v
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// |-----------------------------------------| ---------
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// | . . . . . |
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// +-----------------------------------------+ ---------
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//
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// NOLINTNEXTLINE(cppcoreguidelines-pro-type-member-init)
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} // namespace panda::ecmascript::kungfu
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#endif // ECMASCRIPT_ARK_STACKMAP_H
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