3d4e9d5eb0
This allows these details to be shared with JITLink, which is allowed to depend on the OrcShared library (but not on OrcJIT).
75 lines
2.8 KiB
C++
75 lines
2.8 KiB
C++
//===---------- ObjectFormats.cpp - Object format details for ORC ---------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// ORC-specific object format details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ExecutionEngine/Orc/Shared/ObjectFormats.h"
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namespace llvm {
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namespace orc {
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StringRef MachODataCommonSectionName = "__DATA,__common";
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StringRef MachODataDataSectionName = "__DATA,__data";
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StringRef MachOEHFrameSectionName = "__TEXT,__eh_frame";
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StringRef MachOCompactUnwindInfoSectionName = "__TEXT,__unwind_info";
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StringRef MachOModInitFuncSectionName = "__DATA,__mod_init_func";
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StringRef MachOObjCClassListSectionName = "__DATA,__objc_classlist";
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StringRef MachOObjCImageInfoSectionName = "__DATA,__objc_image_info";
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StringRef MachOObjCSelRefsSectionName = "__DATA,__objc_selrefs";
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StringRef MachOSwift5ProtoSectionName = "__TEXT,__swift5_proto";
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StringRef MachOSwift5ProtosSectionName = "__TEXT,__swift5_protos";
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StringRef MachOSwift5TypesSectionName = "__TEXT,__swift5_types";
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StringRef MachOThreadBSSSectionName = "__DATA,__thread_bss";
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StringRef MachOThreadDataSectionName = "__DATA,__thread_data";
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StringRef MachOThreadVarsSectionName = "__DATA,__thread_vars";
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StringRef MachOInitSectionNames[6] = {
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MachOModInitFuncSectionName, MachOObjCSelRefsSectionName,
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MachOObjCClassListSectionName, MachOSwift5ProtosSectionName,
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MachOSwift5ProtoSectionName, MachOSwift5TypesSectionName};
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StringRef ELFEHFrameSectionName = ".eh_frame";
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StringRef ELFInitArrayFuncSectionName = ".init_array";
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StringRef ELFThreadBSSSectionName = ".tbss";
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StringRef ELFThreadDataSectionName = ".tdata";
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bool isMachOInitializerSection(StringRef SegName, StringRef SecName) {
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for (auto &InitSection : MachOInitSectionNames) {
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// Loop below assumes all MachO init sectios have a length-6
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// segment name.
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assert(InitSection[6] == ',' && "Init section seg name has length != 6");
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if (InitSection.starts_with(SegName) && InitSection.substr(7) == SecName)
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return true;
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}
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return false;
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}
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bool isMachOInitializerSection(StringRef QualifiedName) {
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for (auto &InitSection : MachOInitSectionNames)
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if (InitSection == QualifiedName)
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return true;
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return false;
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}
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bool isELFInitializerSection(StringRef SecName) {
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if (SecName.consume_front(ELFInitArrayFuncSectionName) &&
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(SecName.empty() || SecName[0] == '.'))
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return true;
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return false;
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}
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bool isCOFFInitializerSection(StringRef SecName) {
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return SecName.startswith(".CRT");
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}
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} // namespace orc
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} // namespace llvm
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