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Side by Side Diff: lib/CodeGen/ELFWriter.cpp

Issue 4294001: arm-mc-elf-s07 (Closed)
Patch Set: Created 10 years, 1 month ago
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1 //===-- ELFWriter.cpp - Target-independent ELF Writer code ----------------===// 1 //===-- ELFWriter.cpp - Target-independent ELF Writer code ----------------===//
2 // 2 //
3 // The LLVM Compiler Infrastructure 3 // The LLVM Compiler Infrastructure
4 // 4 //
5 // This file is distributed under the University of Illinois Open Source 5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details. 6 // License. See LICENSE.TXT for details.
7 // 7 //
8 //===----------------------------------------------------------------------===// 8 //===----------------------------------------------------------------------===//
9 // 9 //
10 // This file implements the target-independent ELF writer. This file writes out 10 // This file implements the target-independent ELF writer. This file writes out
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758 MRE = Relos.end(); MRI != MRE; ++MRI) { 758 MRE = Relos.end(); MRI != MRE; ++MRI) {
759 MachineRelocation &MR = *MRI; 759 MachineRelocation &MR = *MRI;
760 760
761 // Relocatable field offset from the section start 761 // Relocatable field offset from the section start
762 unsigned RelOffset = MR.getMachineCodeOffset(); 762 unsigned RelOffset = MR.getMachineCodeOffset();
763 763
764 // Symbol index in the symbol table 764 // Symbol index in the symbol table
765 unsigned SymIdx = 0; 765 unsigned SymIdx = 0;
766 766
767 // Target specific relocation field type and size 767 // Target specific relocation field type and size
768 unsigned RelType = TEW->getRelocationType(MR.getRelocationType()); 768 unsigned RelType = TEW->getRelocationType(S, MR);
769 unsigned RelTySize = TEW->getRelocationTySize(RelType); 769 unsigned RelTySize = TEW->getRelocationTySize(RelType);
770 int64_t Addend = 0; 770 int64_t Addend = 0;
771 771
772 // There are several machine relocations types, and each one of 772 // There are several machine relocations types, and each one of
773 // them needs a different approach to retrieve the symbol table index. 773 // them needs a different approach to retrieve the symbol table index.
774 if (MR.isGlobalValue()) { 774 if (MR.isGlobalValue()) {
775 const GlobalValue *G = MR.getGlobalValue(); 775 const GlobalValue *G = MR.getGlobalValue();
776 int64_t GlobalOffset = MR.getConstantVal(); 776 int64_t GlobalOffset = MR.getConstantVal();
777 SymIdx = GblSymLookup[G]; 777 SymIdx = GblSymLookup[G];
778 if (G->hasPrivateLinkage()) { 778 if (G->hasPrivateLinkage()) {
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1081 } 1081 }
1082 1082
1083 // Align output for the section table. 1083 // Align output for the section table.
1084 for (size_t NewFileOff = (FileOff+TableAlign-1) & ~(TableAlign-1); 1084 for (size_t NewFileOff = (FileOff+TableAlign-1) & ~(TableAlign-1);
1085 FileOff != NewFileOff; ++FileOff) 1085 FileOff != NewFileOff; ++FileOff)
1086 O << (char)0xAB; 1086 O << (char)0xAB;
1087 1087
1088 // Emit the section table itself. 1088 // Emit the section table itself.
1089 O.write((char *)&SHdrTable.getData()[0], SHdrTable.size()); 1089 O.write((char *)&SHdrTable.getData()[0], SHdrTable.size());
1090 } 1090 }
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