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[llvm-readobj] - Teach readobj to print DT_AUXILIARY dynamic tag in human readable form.

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Previously DT_AUXILIARY was unknown, patch fixes that.

Differential revision: https://reviews.llvm.org/D24138

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@280471 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
George Rimar 2016-09-02 07:35:19 +00:00
parent 87afa50931
commit 677dd5b404
4 changed files with 42 additions and 0 deletions
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BIN
test/tools/llvm-readobj/Inputs/dynamic-table-so.x86 Normal file
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2
test/tools/llvm-readobj/Inputs/dynamic-table.c
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@ -1,3 +1,5 @@
// clang -target x86_64-linux-gnu -shared -fPIC -lc dynamic-table.c \
// -o dynamic-table-so.x86 -Wl,-f,aux_val
// clang -target mipsel-linux-gnu -shared -fPIC -lc dynamic-table.c \
// -o dynamic-table-so.mips
// clang -target mipsel-linux-gnu -lc dynamic-table.c \

36
test/tools/llvm-readobj/dynamic.test
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@ -112,6 +112,42 @@ ELF-X86-EXE: 0x6FFFFFFA RELCOUNT 6
ELF-X86-EXE: 0x00000000 NULL 0x0
ELF-X86-EXE: ]
RUN: llvm-readobj -dynamic-table %p/Inputs/dynamic-table-so.x86 \
RUN: | FileCheck %s -check-prefix ELF-X86-SO
ELF-X86-SO: Format: ELF64-x86-64
ELF-X86-SO: Arch: x86_64
ELF-X86-SO: AddressSize: 64bit
ELF-X86-SO: LoadName:
ELF-X86-SO: DynamicSection [ (26 entries)
ELF-X86-SO: Tag Type Name/Value
ELF-X86-SO: 0x0000000000000001 NEEDED SharedLibrary (libc.so.6)
ELF-X86-SO: 0x0000000000000001 NEEDED SharedLibrary (ld-linux-x86-64.so.2)
ELF-X86-SO: 0x000000007FFFFFFD AUXILIARY Auxiliary library: [aux_val]
ELF-X86-SO: 0x000000000000000C INIT 0x610
ELF-X86-SO: 0x000000000000000D FINI 0x7AC
ELF-X86-SO: 0x0000000000000019 INIT_ARRAY 0x200DD0
ELF-X86-SO: 0x000000000000001B INIT_ARRAYSZ 8 (bytes)
ELF-X86-SO: 0x000000000000001A FINI_ARRAY 0x200DD8
ELF-X86-SO: 0x000000000000001C FINI_ARRAYSZ 8 (bytes)
ELF-X86-SO: 0x000000006FFFFEF5 GNU_HASH 0x1C8
ELF-X86-SO: 0x0000000000000005 STRTAB 0x3A0
ELF-X86-SO: 0x0000000000000006 SYMTAB 0x208
ELF-X86-SO: 0x000000000000000A STRSZ 231 (bytes)
ELF-X86-SO: 0x000000000000000B SYMENT 24 (bytes)
ELF-X86-SO: 0x0000000000000003 PLTGOT 0x201000
ELF-X86-SO: 0x0000000000000002 PLTRELSZ 48 (bytes)
ELF-X86-SO: 0x0000000000000014 PLTREL RELA
ELF-X86-SO: 0x0000000000000017 JMPREL 0x5E0
ELF-X86-SO: 0x0000000000000007 RELA 0x4F0
ELF-X86-SO: 0x0000000000000008 RELASZ 240 (bytes)
ELF-X86-SO: 0x0000000000000009 RELAENT 24 (bytes)
ELF-X86-SO: 0x000000006FFFFFFE VERNEED 0x4B0
ELF-X86-SO: 0x000000006FFFFFFF VERNEEDNUM 2
ELF-X86-SO: 0x000000006FFFFFF0 VERSYM 0x488
ELF-X86-SO: 0x000000006FFFFFF9 RELACOUNT 3
ELF-X86-SO: 0x0000000000000000 NULL 0x0
RUN: llvm-readobj -dynamic-table %p/Inputs/dynamic-table-so.aarch64 \
RUN: | FileCheck %s -check-prefix ELF-AARCH64-SO

4
tools/llvm-readobj/ELFDumper.cpp
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@ -1561,6 +1561,7 @@ static const char *getTypeString(uint64_t Type) {
LLVM_READOBJ_TYPE_CASE(MIPS_RLD_MAP);
LLVM_READOBJ_TYPE_CASE(MIPS_PLTGOT);
LLVM_READOBJ_TYPE_CASE(MIPS_OPTIONS);
LLVM_READOBJ_TYPE_CASE(AUXILIARY);
default: return "unknown";
}
}
@ -1721,6 +1722,9 @@ void ELFDumper<ELFT>::printValue(uint64_t Type, uint64_t Value) {
case DT_SONAME:
OS << "LibrarySoname (" << getDynamicString(Value) << ")";
break;
case DT_AUXILIARY:
OS << "Auxiliary library: [" << getDynamicString(Value) << "]";
break;
case DT_RPATH:
case DT_RUNPATH:
OS << getDynamicString(Value);