[llvm-readobj] Print symbol version when dumping relocations (PR31564)
Summary: This helps resolve https://bugs.llvm.org/show_bug.cgi?id=31564 Reviewers: jhenderson, grimar Reviewed By: jhenderson Subscribers: rupprecht, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D59175 llvm-svn: 355922
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# RUN: yaml2obj %s > %t.o
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# RUN: llvm-readobj -demangle -r %t.o | FileCheck %s --check-prefix LLVM
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# RUN: llvm-readelf -demangle -r %t.o | FileCheck %s --check-prefix GNU
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# GNU: Relocation section '.rela.plt' at offset {{.*}} contains 5 entries:
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# GNU-NEXT: Offset Info Type Symbol's Value Symbol's Name + Addend
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# GNU-NEXT: 0000000000013018 0000000100000007 R_X86_64_JUMP_SLOT 0000000000000000 f1@v3 + 0
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# GNU-NEXT: 0000000000013020 0000000200000007 R_X86_64_JUMP_SLOT 0000000000000000 f2@v2 + 0
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# GNU-NEXT: 0000000000013028 0000000300000007 R_X86_64_JUMP_SLOT 0000000000000000 g1@v1 + 0
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# GNU-NEXT: 0000000000013040 0000000400000007 R_X86_64_JUMP_SLOT 0000000000000000 f1()@v3 + 0
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# GNU-NEXT: 0000000000013058 0000000500000007 R_X86_64_JUMP_SLOT 0000000000000000 f3 + 0
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# LLVM: Relocations [
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# LLVM-NEXT: Section (3) .rela.plt {
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# LLVM-NEXT: 0x13018 R_X86_64_JUMP_SLOT f1@v3 0x0
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# LLVM-NEXT: 0x13020 R_X86_64_JUMP_SLOT f2@v2 0x0
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# LLVM-NEXT: 0x13028 R_X86_64_JUMP_SLOT g1@v1 0x0
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# LLVM-NEXT: 0x13040 R_X86_64_JUMP_SLOT f1()@v3 0x0
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# LLVM-NEXT: 0x13058 R_X86_64_JUMP_SLOT f3 0x0
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# LLVM-NEXT: }
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# LLVM-NEXT: ]
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_EXEC
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Machine: EM_X86_64
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Entry: 0x0000000000000000
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Sections:
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- Name: .gnu.version
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Type: SHT_GNU_versym
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Flags: [ SHF_ALLOC ]
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Link: .dynsym
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AddressAlign: 0x0000000000000002
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EntSize: 0x0000000000000002
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Entries: [ 0, 2, 3, 4, 2 ]
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- Name: .gnu.version_r
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Type: SHT_GNU_verneed
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Flags: [ SHF_ALLOC ]
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Link: .dynstr
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AddressAlign: 0x0000000000000004
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Info: 0x0000000000000002
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Dependencies:
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- Version: 1
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File: verneed1.so.0
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Entries:
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- Name: v2
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Hash: 1938
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Flags: 0
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Other: 3
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- Name: v3
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Hash: 1939
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Flags: 0
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Other: 2
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- Version: 1
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File: verneed2.so.0
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Entries:
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- Name: v1
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Hash: 1937
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Flags: 0
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Other: 4
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- Name: .rela.plt
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Type: SHT_RELA
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Flags: [ SHF_ALLOC ]
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Info: 0
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Link: 7
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AddressAlign: 0x0000000000000008
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EntSize: 0x0000000000000018
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Relocations:
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- Offset: 0x0000000000013018
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Symbol: f1
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Type: R_X86_64_JUMP_SLOT
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- Offset: 0x0000000000013020
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Symbol: f2
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Type: R_X86_64_JUMP_SLOT
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- Offset: 0x0000000000013028
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Symbol: g1
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Type: R_X86_64_JUMP_SLOT
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- Offset: 0x0000000000013040
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Symbol: _Z2f1v
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Type: R_X86_64_JUMP_SLOT
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- Offset: 0x0000000000013058
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Symbol: f3
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Type: R_X86_64_JUMP_SLOT
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Symbols:
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Global:
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- Name: f1
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- Name: f2
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- Name: g1
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- Name: _Z2f1v
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- Name: f3
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DynamicSymbols:
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Global:
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- Name: f1
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- Name: f2
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- Name: g1
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- Name: _Z2f1v
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- Name: f3
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...
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@ -2706,7 +2706,8 @@ void GNUStyle<ELFT>::printRelocation(const ELFO *Obj, const Elf_Shdr *SymTab,
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TargetName = unwrapOrError(Obj->getSectionName(Sec));
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} else if (Sym) {
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StringRef StrTable = unwrapOrError(Obj->getStringTableForSymtab(*SymTab));
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TargetName = maybeDemangle(unwrapOrError(Sym->getName(StrTable)));
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TargetName = this->dumper()->getFullSymbolName(
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Sym, StrTable, SymTab->sh_type == SHT_DYNSYM /* IsDynamic */);
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}
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unsigned Width = ELFT::Is64Bits ? 16 : 8;
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@ -4293,7 +4294,8 @@ void LLVMStyle<ELFT>::printRelocation(const ELFO *Obj, Elf_Rela Rel,
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TargetName = unwrapOrError(Obj->getSectionName(Sec));
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} else if (Sym) {
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StringRef StrTable = unwrapOrError(Obj->getStringTableForSymtab(*SymTab));
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TargetName = maybeDemangle(unwrapOrError(Sym->getName(StrTable)));
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TargetName = this->dumper()->getFullSymbolName(
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Sym, StrTable, SymTab->sh_type == SHT_DYNSYM /* IsDynamic */);
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}
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if (opts::ExpandRelocs) {
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