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[elfabi] Prepare elfabi/ifs merging.

Browse Source 
This change implements unified text stub format and command line
interface proposed in the elfabi/ifs merge plan.

Differential Revision: https://reviews.llvm.org/D99399
This commit is contained in:
Haowei Wu 2021-03-31 16:48:56 -07:00
parent 6713c55c41
commit db5e2f303b
46 changed files with 1399 additions and 301 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
include/llvm/BinaryFormat/ELF.h
View File

@ -19,8 +19,10 @@
#ifndef LLVM_BINARYFORMAT_ELF_H
#define LLVM_BINARYFORMAT_ELF_H
#include "llvm/ADT/StringRef.h"
#include <cstdint>
#include <cstring>
#include <string>
namespace llvm {
namespace ELF {
@ -1673,6 +1675,12 @@ enum {
ELFCOMPRESS_HIPROC = 0x7fffffff // End of processor-specific.
};
/// Convert an architecture name into ELF's e_machine value.
uint16_t convertArchNameToEMachine(StringRef Arch);
/// Convert an ELF's e_machine value into an architecture name.
StringRef convertEMachineToArchName(uint16_t EMachine);
} // end namespace ELF
} // end namespace llvm

3
include/llvm/InterfaceStub/ELFObjHandler.h
View File

@ -35,11 +35,10 @@ Expected<std::unique_ptr<ELFStub>> readELFFile(MemoryBufferRef Buf);
///
/// @param FilePath File path for writing the ELF binary.
/// @param Stub Source ELFStub to generate a binary ELF stub from.
/// @param OutputFormat Target ELFType to write binary as.
/// @param WriteIfChanged Whether or not to preserve timestamp if
/// the output stays the same.
Error writeBinaryStub(StringRef FilePath, const ELFStub &Stub,
ELFTarget OutputFormat, bool WriteIfChanged = false);
bool WriteIfChanged = false);
} // end namespace elfabi
} // end namespace llvm

49
include/llvm/InterfaceStub/ELFStub.h
View File

@ -15,6 +15,7 @@
#define LLVM_INTERFACESTUB_ELFSTUB_H
#include "llvm/BinaryFormat/ELF.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/VersionTuple.h"
#include <set>
#include <vector>
@ -34,8 +35,25 @@ enum class ELFSymbolType {
Unknown = 16,
};
enum class ELFEndiannessType {
Little = ELF::ELFDATA2LSB,
Big = ELF::ELFDATA2MSB,
// Endianness info is 1 bytes, 256 is safely out of rance.
Unknown = 256,
};
enum class ELFBitWidthType {
ELF32 = ELF::ELFCLASS32,
ELF64 = ELF::ELFCLASS64,
// Bit width info is 1 bytes, 256 is safely out of rance.
Unknown = 256,
};
struct ELFSymbol {
ELFSymbol(std::string SymbolName) : Name(SymbolName) {}
ELFSymbol() = default;
explicit ELFSymbol(std::string SymbolName) : Name(std::move(SymbolName)) {}
std::string Name;
uint64_t Size;
ELFSymbolType Type;
@ -45,21 +63,42 @@ struct ELFSymbol {
bool operator<(const ELFSymbol &RHS) const { return Name < RHS.Name; }
};
struct IFSTarget {
Optional<std::string> Triple;
Optional<std::string> ObjectFormat;
Optional<ELFArch> Arch;
Optional<std::string> ArchString;
Optional<ELFEndiannessType> Endianness;
Optional<ELFBitWidthType> BitWidth;
};
// A cumulative representation of ELF stubs.
// Both textual and binary stubs will read into and write from this object.
class ELFStub {
struct ELFStub {
// TODO: Add support for symbol versioning.
public:
VersionTuple TbeVersion;
Optional<std::string> SoName;
ELFArch Arch;
IFSTarget Target;
std::vector<std::string> NeededLibs;
std::set<ELFSymbol> Symbols;
std::vector<ELFSymbol> Symbols;
ELFStub() {}
ELFStub(const ELFStub &Stub);
ELFStub(ELFStub &&Stub);
};
// Create a alias class for ELFStub.
// LLVM's YAML library does not allow mapping a class with 2 traits,
// which prevents us using 'Target:' field with different definitions.
// This class makes it possible to map a second traits so the same data
// structure can be used for 2 different yaml schema.
struct ELFStubTriple : ELFStub {
ELFStubTriple() {}
ELFStubTriple(const ELFStub &Stub);
ELFStubTriple(const ELFStubTriple &Stub);
ELFStubTriple(ELFStubTriple &&Stub);
};
} // end namespace elfabi
} // end namespace llvm

19
include/llvm/InterfaceStub/TBEHandler.h
View File

@ -15,6 +15,7 @@
#ifndef LLVM_INTERFACESTUB_TBEHANDLER_H
#define LLVM_INTERFACESTUB_TBEHANDLER_H
#include "ELFStub.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/VersionTuple.h"
#include <memory>
@ -27,7 +28,7 @@ class StringRef;
namespace elfabi {
class ELFStub;
struct ELFStub;
const VersionTuple TBEVersionCurrent(1, 0);
@ -37,6 +38,22 @@ Expected<std::unique_ptr<ELFStub>> readTBEFromBuffer(StringRef Buf);
/// Attempts to write an ELF interface file to a raw_ostream.
Error writeTBEToOutputStream(raw_ostream &OS, const ELFStub &Stub);
/// Override the target platform inforation in the text stub.
Error overrideTBETarget(ELFStub &Stub, Optional<ELFArch> OverrideArch,
Optional<ELFEndiannessType> OverrideEndianness,
Optional<ELFBitWidthType> OverrideBitWidth,
Optional<std::string> OverrideTriple);
/// Validate the target platform inforation in the text stub.
Error validateTBETarget(ELFStub &Stub, bool ParseTriple);
/// Strips target platform information from the text stub.
void stripTBETarget(ELFStub &Stub, bool StripTriple, bool StripArch,
bool StripEndianness, bool StripBitWidth);
/// Parse llvm triple string into a IFSTarget struct.
IFSTarget parseTriple(StringRef TripleStr);
} // end namespace elfabi
} // end namespace llvm

1
lib/BinaryFormat/CMakeLists.txt
View File

@ -1,6 +1,7 @@
add_llvm_component_library(LLVMBinaryFormat
AMDGPUMetadataVerifier.cpp
Dwarf.cpp
ELF.cpp
MachO.cpp
Magic.cpp
Minidump.cpp

568
lib/BinaryFormat/ELF.cpp Normal file
View File

@ -0,0 +1,568 @@
//===- llvm/BinaryFormat/ELF.cpp - The ELF format ---------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "llvm/BinaryFormat/ELF.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/Support/Error.h"
using namespace llvm;
using namespace ELF;
/// Convert an architecture name into ELF's e_machine value.
uint16_t ELF::convertArchNameToEMachine(StringRef Arch) {
std::string LowerArch = Arch.lower();
return StringSwitch<uint16_t>(LowerArch)
.Case("none", EM_NONE)
.Case("m32", EM_M32)
.Case("sparc", EM_SPARC)
.Case("386", EM_386)
.Case("68k", EM_68K)
.Case("88k", EM_88K)
.Case("iamcu", EM_IAMCU)
.Case("860", EM_860)
.Case("mips", EM_MIPS)
.Case("s370", EM_S370)
.Case("mips_rs3_le", EM_MIPS_RS3_LE)
.Case("parisc", EM_PARISC)
.Case("vpp500", EM_VPP500)
.Case("sparc32plus", EM_SPARC32PLUS)
.Case("960", EM_960)
.Case("ppc", EM_PPC)
.Case("ppc64", EM_PPC64)
.Case("s390", EM_S390)
.Case("spu", EM_SPU)
.Case("v800", EM_V800)
.Case("fr20", EM_FR20)
.Case("rh32", EM_RH32)
.Case("rce", EM_RCE)
.Case("arm", EM_ARM)
.Case("alpha", EM_ALPHA)
.Case("sh", EM_SH)
.Case("sparcv9", EM_SPARCV9)
.Case("tricore", EM_TRICORE)
.Case("arc", EM_ARC)
.Case("h8_300", EM_H8_300)
.Case("h8_300h", EM_H8_300H)
.Case("h8s", EM_H8S)
.Case("h8_500", EM_H8_500)
.Case("ia_64", EM_IA_64)
.Case("mips_x", EM_MIPS_X)
.Case("coldfire", EM_COLDFIRE)
.Case("68hc12", EM_68HC12)
.Case("mma", EM_MMA)
.Case("pcp", EM_PCP)
.Case("ncpu", EM_NCPU)
.Case("ndr1", EM_NDR1)
.Case("starcore", EM_STARCORE)
.Case("me16", EM_ME16)
.Case("st100", EM_ST100)
.Case("tinyj", EM_TINYJ)
.Case("x86_64", EM_X86_64)
.Case("pdsp", EM_PDSP)
.Case("pdp10", EM_PDP10)
.Case("pdp11", EM_PDP11)
.Case("fx66", EM_FX66)
.Case("st9plus", EM_ST9PLUS)
.Case("st7", EM_ST7)
.Case("68hc16", EM_68HC16)
.Case("68hc11", EM_68HC11)
.Case("68hc08", EM_68HC08)
.Case("68hc05", EM_68HC05)
.Case("svx", EM_SVX)
.Case("st19", EM_ST19)
.Case("vax", EM_VAX)
.Case("cris", EM_CRIS)
.Case("javelin", EM_JAVELIN)
.Case("firepath", EM_FIREPATH)
.Case("zsp", EM_ZSP)
.Case("mmix", EM_MMIX)
.Case("huany", EM_HUANY)
.Case("prism", EM_PRISM)
.Case("avr", EM_AVR)
.Case("fr30", EM_FR30)
.Case("d10v", EM_D10V)
.Case("d30v", EM_D30V)
.Case("v850", EM_V850)
.Case("m32r", EM_M32R)
.Case("mn10300", EM_MN10300)
.Case("mn10200", EM_MN10200)
.Case("pj", EM_PJ)
.Case("openrisc", EM_OPENRISC)
.Case("arc_compact", EM_ARC_COMPACT)
.Case("xtensa", EM_XTENSA)
.Case("videocore", EM_VIDEOCORE)
.Case("tmm_gpp", EM_TMM_GPP)
.Case("ns32k", EM_NS32K)
.Case("tpc", EM_TPC)
.Case("snp1k", EM_SNP1K)
.Case("st200", EM_ST200)
.Case("ip2k", EM_IP2K)
.Case("max", EM_MAX)
.Case("cr", EM_CR)
.Case("f2mc16", EM_F2MC16)
.Case("msp430", EM_MSP430)
.Case("blackfin", EM_BLACKFIN)
.Case("se_c33", EM_SE_C33)
.Case("sep", EM_SEP)
.Case("arca", EM_ARCA)
.Case("unicore", EM_UNICORE)
.Case("excess", EM_EXCESS)
.Case("dxp", EM_DXP)
.Case("altera_nios2", EM_ALTERA_NIOS2)
.Case("crx", EM_CRX)
.Case("xgate", EM_XGATE)
.Case("c166", EM_C166)
.Case("m16c", EM_M16C)
.Case("dspic30f", EM_DSPIC30F)
.Case("ce", EM_CE)
.Case("m32c", EM_M32C)
.Case("tsk3000", EM_TSK3000)
.Case("rs08", EM_RS08)
.Case("sharc", EM_SHARC)
.Case("ecog2", EM_ECOG2)
.Case("score7", EM_SCORE7)
.Case("dsp24", EM_DSP24)
.Case("videocore3", EM_VIDEOCORE3)
.Case("latticemico32", EM_LATTICEMICO32)
.Case("se_c17", EM_SE_C17)
.Case("ti_c6000", EM_TI_C6000)
.Case("ti_c2000", EM_TI_C2000)
.Case("ti_c5500", EM_TI_C5500)
.Case("mmdsp_plus", EM_MMDSP_PLUS)
.Case("cypress_m8c", EM_CYPRESS_M8C)
.Case("r32c", EM_R32C)
.Case("trimedia", EM_TRIMEDIA)
.Case("hexagon", EM_HEXAGON)
.Case("8051", EM_8051)
.Case("stxp7x", EM_STXP7X)
.Case("nds32", EM_NDS32)
.Case("ecog1", EM_ECOG1)
.Case("ecog1x", EM_ECOG1X)
.Case("maxq30", EM_MAXQ30)
.Case("ximo16", EM_XIMO16)
.Case("manik", EM_MANIK)
.Case("craynv2", EM_CRAYNV2)
.Case("rx", EM_RX)
.Case("metag", EM_METAG)
.Case("mcst_elbrus", EM_MCST_ELBRUS)
.Case("ecog16", EM_ECOG16)
.Case("cr16", EM_CR16)
.Case("etpu", EM_ETPU)
.Case("sle9x", EM_SLE9X)
.Case("l10m", EM_L10M)
.Case("k10m", EM_K10M)
.Case("aarch64", EM_AARCH64)
.Case("avr32", EM_AVR32)
.Case("stm8", EM_STM8)
.Case("tile64", EM_TILE64)
.Case("tilepro", EM_TILEPRO)
.Case("cuda", EM_CUDA)
.Case("tilegx", EM_TILEGX)
.Case("cloudshield", EM_CLOUDSHIELD)
.Case("corea_1st", EM_COREA_1ST)
.Case("corea_2nd", EM_COREA_2ND)
.Case("arc_compact2", EM_ARC_COMPACT2)
.Case("open8", EM_OPEN8)
.Case("rl78", EM_RL78)
.Case("videocore5", EM_VIDEOCORE5)
.Case("78kor", EM_78KOR)
.Case("56800ex", EM_56800EX)
.Case("ba1", EM_BA1)
.Case("ba2", EM_BA2)
.Case("xcore", EM_XCORE)
.Case("mchp_pic", EM_MCHP_PIC)
.Case("intel205", EM_INTEL205)
.Case("intel206", EM_INTEL206)
.Case("intel207", EM_INTEL207)
.Case("intel208", EM_INTEL208)
.Case("intel209", EM_INTEL209)
.Case("km32", EM_KM32)
.Case("kmx32", EM_KMX32)
.Case("kmx16", EM_KMX16)
.Case("kmx8", EM_KMX8)
.Case("kvarc", EM_KVARC)
.Case("cdp", EM_CDP)
.Case("coge", EM_COGE)
.Case("cool", EM_COOL)
.Case("norc", EM_NORC)
.Case("csr_kalimba", EM_CSR_KALIMBA)
.Case("amdgpu", EM_AMDGPU)
.Case("riscv", EM_RISCV)
.Case("lanai", EM_LANAI)
.Case("bpf", EM_BPF)
.Case("ve", EM_VE)
.Case("csky", EM_CSKY)
.Default(EM_NONE);
}
/// Convert an ELF's e_machine value into an architecture name.
StringRef ELF::convertEMachineToArchName(uint16_t EMachine) {
switch (EMachine) {
case EM_NONE:
return "None";
case EM_M32:
return "m32";
case EM_SPARC:
return "sparc";
case EM_386:
return "386";
case EM_68K:
return "68k";
case EM_88K:
return "88k";
case EM_IAMCU:
return "iamcu";
case EM_860:
return "860";
case EM_MIPS:
return "mips";
case EM_S370:
return "s370";
case EM_MIPS_RS3_LE:
return "mips_rs3_le";
case EM_PARISC:
return "parisc";
case EM_VPP500:
return "vpp500";
case EM_SPARC32PLUS:
return "sparc32plus";
case EM_960:
return "960";
case EM_PPC:
return "ppc";
case EM_PPC64:
return "ppc64";
case EM_S390:
return "s390";
case EM_SPU:
return "spu";
case EM_V800:
return "v800";
case EM_FR20:
return "fr20";
case EM_RH32:
return "rh32";
case EM_RCE:
return "rce";
case EM_ARM:
return "arm";
case EM_ALPHA:
return "alpha";
case EM_SH:
return "sh";
case EM_SPARCV9:
return "sparcv9";
case EM_TRICORE:
return "tricore";
case EM_ARC:
return "arc";
case EM_H8_300:
return "h8_300";
case EM_H8_300H:
return "h8_300h";
case EM_H8S:
return "h8s";
case EM_H8_500:
return "h8_500";
case EM_IA_64:
return "ia_64";
case EM_MIPS_X:
return "mips_x";
case EM_COLDFIRE:
return "coldfire";
case EM_68HC12:
return "68hc12";
case EM_MMA:
return "mma";
case EM_PCP:
return "pcp";
case EM_NCPU:
return "ncpu";
case EM_NDR1:
return "ndr1";
case EM_STARCORE:
return "starcore";
case EM_ME16:
return "me16";
case EM_ST100:
return "st100";
case EM_TINYJ:
return "tinyj";
case EM_X86_64:
return "x86_64";
case EM_PDSP:
return "pdsp";
case EM_PDP10:
return "pdp10";
case EM_PDP11:
return "pdp11";
case EM_FX66:
return "fx66";
case EM_ST9PLUS:
return "st9plus";
case EM_ST7:
return "st7";
case EM_68HC16:
return "68hc16";
case EM_68HC11:
return "68hc11";
case EM_68HC08:
return "68hc08";
case EM_68HC05:
return "68hc05";
case EM_SVX:
return "svx";
case EM_ST19:
return "st19";
case EM_VAX:
return "vax";
case EM_CRIS:
return "cris";
case EM_JAVELIN:
return "javelin";
case EM_FIREPATH:
return "firepath";
case EM_ZSP:
return "zsp";
case EM_MMIX:
return "mmix";
case EM_HUANY:
return "huany";
case EM_PRISM:
return "prism";
case EM_AVR:
return "avr";
case EM_FR30:
return "fr30";
case EM_D10V:
return "d10v";
case EM_D30V:
return "d30v";
case EM_V850:
return "v850";
case EM_M32R:
return "m32r";
case EM_MN10300:
return "mn10300";
case EM_MN10200:
return "mn10200";
case EM_PJ:
return "pj";
case EM_OPENRISC:
return "openrisc";
case EM_ARC_COMPACT:
return "arc_compact";
case EM_XTENSA:
return "xtensa";
case EM_VIDEOCORE:
return "videocore";
case EM_TMM_GPP:
return "tmm_gpp";
case EM_NS32K:
return "ns32k";
case EM_TPC:
return "tpc";
case EM_SNP1K:
return "snp1k";
case EM_ST200:
return "st200";
case EM_IP2K:
return "ip2k";
case EM_MAX:
return "max";
case EM_CR:
return "cr";
case EM_F2MC16:
return "f2mc16";
case EM_MSP430:
return "msp430";
case EM_BLACKFIN:
return "blackfin";
case EM_SE_C33:
return "se_c33";
case EM_SEP:
return "sep";
case EM_ARCA:
return "arca";
case EM_UNICORE:
return "unicore";
case EM_EXCESS:
return "excess";
case EM_DXP:
return "dxp";
case EM_ALTERA_NIOS2:
return "altera_nios2";
case EM_CRX:
return "crx";
case EM_XGATE:
return "xgate";
case EM_C166:
return "c166";
case EM_M16C:
return "m16c";
case EM_DSPIC30F:
return "dspic30f";
case EM_CE:
return "ce";
case EM_M32C:
return "m32c";
case EM_TSK3000:
return "tsk3000";
case EM_RS08:
return "rs08";
case EM_SHARC:
return "sharc";
case EM_ECOG2:
return "ecog2";
case EM_SCORE7:
return "score7";
case EM_DSP24:
return "dsp24";
case EM_VIDEOCORE3:
return "videocore3";
case EM_LATTICEMICO32:
return "latticemico32";
case EM_SE_C17:
return "se_c17";
case EM_TI_C6000:
return "ti_c6000";
case EM_TI_C2000:
return "ti_c2000";
case EM_TI_C5500:
return "ti_c5500";
case EM_MMDSP_PLUS:
return "mmdsp_plus";
case EM_CYPRESS_M8C:
return "cypress_m8c";
case EM_R32C:
return "r32c";
case EM_TRIMEDIA:
return "trimedia";
case EM_HEXAGON:
return "hexagon";
case EM_8051:
return "8051";
case EM_STXP7X:
return "stxp7x";
case EM_NDS32:
return "nds32";
case EM_ECOG1:
return "ecog1";
case EM_MAXQ30:
return "maxq30";
case EM_XIMO16:
return "ximo16";
case EM_MANIK:
return "manik";
case EM_CRAYNV2:
return "craynv2";
case EM_RX:
return "rx";
case EM_METAG:
return "metag";
case EM_MCST_ELBRUS:
return "mcst_elbrus";
case EM_ECOG16:
return "ecog16";
case EM_CR16:
return "cr16";
case EM_ETPU:
return "etpu";
case EM_SLE9X:
return "sle9x";
case EM_L10M:
return "l10m";
case EM_K10M:
return "k10m";
case EM_AARCH64:
return "AArch64";
case EM_AVR32:
return "avr32";
case EM_STM8:
return "stm8";
case EM_TILE64:
return "tile64";
case EM_TILEPRO:
return "tilepro";
case EM_CUDA:
return "cuda";
case EM_TILEGX:
return "tilegx";
case EM_CLOUDSHIELD:
return "cloudshield";
case EM_COREA_1ST:
return "corea_1st";
case EM_COREA_2ND:
return "corea_2nd";
case EM_ARC_COMPACT2:
return "arc_compact2";
case EM_OPEN8:
return "open8";
case EM_RL78:
return "rl78";
case EM_VIDEOCORE5:
return "videocore5";
case EM_78KOR:
return "78kor";
case EM_56800EX:
return "56800ex";
case EM_BA1:
return "ba1";
case EM_BA2:
return "ba2";
case EM_XCORE:
return "xcore";
case EM_MCHP_PIC:
return "mchp_pic";
case EM_INTEL205:
return "intel205";
case EM_INTEL206:
return "intel206";
case EM_INTEL207:
return "intel207";
case EM_INTEL208:
return "intel208";
case EM_INTEL209:
return "intel209";
case EM_KM32:
return "km32";
case EM_KMX32:
return "kmx32";
case EM_KMX16:
return "kmx16";
case EM_KMX8:
return "kmx8";
case EM_KVARC:
return "kvarc";
case EM_CDP:
return "cdp";
case EM_COGE:
return "coge";
case EM_COOL:
return "cool";
case EM_NORC:
return "norc";
case EM_CSR_KALIMBA:
return "csr_kalimba";
case EM_AMDGPU:
return "amdgpu";
case EM_RISCV:
return "riscv";
case EM_LANAI:
return "lanai";
case EM_BPF:
return "bpf";
case EM_VE:
return "ve";
case EM_CSKY:
return "csky";
default:
return "None";
}
}

1
lib/InterfaceStub/CMakeLists.txt
View File

@ -4,6 +4,7 @@ add_llvm_component_library(LLVMInterfaceStub
TBEHandler.cpp
LINK_COMPONENTS
BinaryFormat
MC
Object
Support

38
lib/InterfaceStub/ELFObjHandler.cpp
View File

@ -250,7 +250,8 @@ public:
fillStrTabShdr(ShStrTab);
// Finish initializing the ELF header.
initELFHeader<ELFT>(ElfHeader, Stub.Arch);
initELFHeader<ELFT>(ElfHeader,
static_cast<uint16_t>(Stub.Target.Arch.getValue()));
ElfHeader.e_shstrndx = ShStrTab.Index;
ElfHeader.e_shnum = LastSection->Index + 1;
ElfHeader.e_shoff =
@ -517,7 +518,7 @@ static Error populateSymbols(ELFStub &TargetStub,
if (!SymName)
return SymName.takeError();
ELFSymbol Sym = createELFSym<ELFT>(*SymName, RawSym);
TargetStub.Symbols.insert(std::move(Sym));
TargetStub.Symbols.push_back(std::move(Sym));
// TODO: Populate symbol warning.
}
return Error::success();
@ -561,7 +562,12 @@ buildStub(const ELFObjectFile<ELFT> &ElfObj) {
DynEnt.StrSize);
// Populate Arch from ELF header.
DestStub->Arch = ElfFile.getHeader().e_machine;
DestStub->Target.Arch = static_cast<ELFArch>(ElfFile.getHeader().e_machine);
DestStub->Target.BitWidth =
(ELFBitWidthType)ElfFile.getHeader().e_ident[EI_CLASS];
DestStub->Target.Endianness =
(ELFEndiannessType)ElfFile.getHeader().e_ident[EI_DATA];
DestStub->Target.ObjectFormat = "ELF";
// Populate SoName from .dynamic entries and dynamic string table.
if (DynEnt.SONameOffset.hasValue()) {
@ -667,15 +673,23 @@ Expected<std::unique_ptr<ELFStub>> readELFFile(MemoryBufferRef Buf) {
// This function wraps the ELFT writeELFBinaryToFile() so writeBinaryStub()
// can be called without having to use ELFType templates directly.
Error writeBinaryStub(StringRef FilePath, const ELFStub &Stub,
ELFTarget OutputFormat, bool WriteIfChanged) {
if (OutputFormat == ELFTarget::ELF32LE)
return writeELFBinaryToFile<ELF32LE>(FilePath, Stub, WriteIfChanged);
if (OutputFormat == ELFTarget::ELF32BE)
return writeELFBinaryToFile<ELF32BE>(FilePath, Stub, WriteIfChanged);
if (OutputFormat == ELFTarget::ELF64LE)
return writeELFBinaryToFile<ELF64LE>(FilePath, Stub, WriteIfChanged);
if (OutputFormat == ELFTarget::ELF64BE)
return writeELFBinaryToFile<ELF64BE>(FilePath, Stub, WriteIfChanged);
bool WriteIfChanged) {
assert(Stub.Target.Arch);
assert(Stub.Target.BitWidth);
assert(Stub.Target.Endianness);
if (Stub.Target.BitWidth == ELFBitWidthType::ELF32) {
if (Stub.Target.Endianness == ELFEndiannessType::Little) {
return writeELFBinaryToFile<ELF32LE>(FilePath, Stub, WriteIfChanged);
} else {
return writeELFBinaryToFile<ELF32BE>(FilePath, Stub, WriteIfChanged);
}
} else {
if (Stub.Target.Endianness == ELFEndiannessType::Little) {
return writeELFBinaryToFile<ELF64LE>(FilePath, Stub, WriteIfChanged);
} else {
return writeELFBinaryToFile<ELF64BE>(FilePath, Stub, WriteIfChanged);
}
}
llvm_unreachable("invalid binary output target");
}

29
lib/InterfaceStub/ELFStub.cpp
View File

@ -7,13 +7,14 @@
//===-----------------------------------------------------------------------===/
#include "llvm/InterfaceStub/ELFStub.h"
#include "llvm/Support/Error.h"
using namespace llvm;
using namespace llvm::elfabi;
ELFStub::ELFStub(ELFStub const &Stub) {
TbeVersion = Stub.TbeVersion;
Arch = Stub.Arch;
Target = Stub.Target;
SoName = Stub.SoName;
NeededLibs = Stub.NeededLibs;
Symbols = Stub.Symbols;
@ -21,7 +22,31 @@ ELFStub::ELFStub(ELFStub const &Stub) {
ELFStub::ELFStub(ELFStub &&Stub) {
TbeVersion = std::move(Stub.TbeVersion);
Arch = std::move(Stub.Arch);
Target = std::move(Stub.Target);
SoName = std::move(Stub.SoName);
NeededLibs = std::move(Stub.NeededLibs);
Symbols = std::move(Stub.Symbols);
}
ELFStubTriple::ELFStubTriple(ELFStubTriple const &Stub) {
TbeVersion = Stub.TbeVersion;
Target = Stub.Target;
SoName = Stub.SoName;
NeededLibs = Stub.NeededLibs;
Symbols = Stub.Symbols;
}
ELFStubTriple::ELFStubTriple(ELFStub const &Stub) {
TbeVersion = Stub.TbeVersion;
Target = Stub.Target;
SoName = Stub.SoName;
NeededLibs = Stub.NeededLibs;
Symbols = Stub.Symbols;
}
ELFStubTriple::ELFStubTriple(ELFStubTriple &&Stub) {
TbeVersion = std::move(Stub.TbeVersion);
Target = std::move(Stub.Target);
SoName = std::move(Stub.SoName);
NeededLibs = std::move(Stub.NeededLibs);
Symbols = std::move(Stub.Symbols);

271
lib/InterfaceStub/TBEHandler.cpp
View File

@ -9,14 +9,16 @@
#include "llvm/InterfaceStub/TBEHandler.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/ADT/Triple.h"
#include "llvm/InterfaceStub/ELFStub.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/LineIterator.h"
#include "llvm/Support/YAMLTraits.h"
using namespace llvm;
using namespace llvm::elfabi;
LLVM_YAML_STRONG_TYPEDEF(ELFArch, ELFArchMapper)
LLVM_YAML_IS_SEQUENCE_VECTOR(ELFSymbol)
namespace llvm {
namespace yaml {
@ -35,43 +37,80 @@ template <> struct ScalarEnumerationTraits<ELFSymbolType> {
}
};
/// YAML traits for ELFArch.
template <> struct ScalarTraits<ELFArchMapper> {
static void output(const ELFArchMapper &Value, void *,
template <> struct ScalarTraits<ELFEndiannessType> {
static void output(const ELFEndiannessType &Value, void *,
llvm::raw_ostream &Out) {
// Map from integer to architecture string.
switch (Value) {
case (ELFArch)ELF::EM_X86_64:
Out << "x86_64";
case ELFEndiannessType::Big:
Out << "big";
break;
case (ELFArch)ELF::EM_AARCH64:
Out << "AArch64";
case ELFEndiannessType::Little:
Out << "little";
break;
case (ELFArch)ELF::EM_NONE:
default:
Out << "Unknown";
llvm_unreachable("Unsupported endianness");
}
}
static StringRef input(StringRef Scalar, void *, ELFArchMapper &Value) {
// Map from architecture string to integer.
Value = StringSwitch<ELFArch>(Scalar)
.Case("x86_64", ELF::EM_X86_64)
.Case("AArch64", ELF::EM_AARCH64)
.Case("Unknown", ELF::EM_NONE)
.Default(ELF::EM_NONE);
// Returning empty StringRef indicates successful parse.
static StringRef input(StringRef Scalar, void *, ELFEndiannessType &Value) {
Value = StringSwitch<ELFEndiannessType>(Scalar)
.Case("big", ELFEndiannessType::Big)
.Case("little", ELFEndiannessType::Little)
.Default(ELFEndiannessType::Unknown);
if (Value == ELFEndiannessType::Unknown) {
return "Unsupported endianness";
}
return StringRef();
}
// Don't place quotation marks around architecture value.
static QuotingType mustQuote(StringRef) { return QuotingType::None; }
};
template <> struct ScalarTraits<ELFBitWidthType> {
static void output(const ELFBitWidthType &Value, void *,
llvm::raw_ostream &Out) {
switch (Value) {
case ELFBitWidthType::ELF32:
Out << "32";
break;
case ELFBitWidthType::ELF64:
Out << "64";
break;
default:
llvm_unreachable("Unsupported bit width");
}
}
static StringRef input(StringRef Scalar, void *, ELFBitWidthType &Value) {
Value = StringSwitch<ELFBitWidthType>(Scalar)
.Case("32", ELFBitWidthType::ELF32)
.Case("64", ELFBitWidthType::ELF64)
.Default(ELFBitWidthType::Unknown);
if (Value == ELFBitWidthType::Unknown) {
return "Unsupported bit width";
}
return StringRef();
}
static QuotingType mustQuote(StringRef) { return QuotingType::None; }
};
template <> struct MappingTraits<IFSTarget> {
static void mapping(IO &IO, IFSTarget &Target) {
IO.mapOptional("ObjectFormat", Target.ObjectFormat);
IO.mapOptional("Arch", Target.ArchString);
IO.mapOptional("Endianness", Target.Endianness);
IO.mapOptional("BitWidth", Target.BitWidth);
}
// Compacts symbol information into a single line.
static const bool flow = true; // NOLINT(readability-identifier-naming)
};
/// YAML traits for ELFSymbol.
template <> struct MappingTraits<ELFSymbol> {
static void mapping(IO &IO, ELFSymbol &Symbol) {
IO.mapRequired("Name", Symbol.Name);
IO.mapRequired("Type", Symbol.Type);
// The need for symbol size depends on the symbol type.
if (Symbol.Type == ELFSymbolType::NoType) {
@ -87,57 +126,203 @@ template <> struct MappingTraits<ELFSymbol> {
}
// Compacts symbol information into a single line.
static const bool flow = true;
};
/// YAML traits for set of ELFSymbols.
template <> struct CustomMappingTraits<std::set<ELFSymbol>> {
static void inputOne(IO &IO, StringRef Key, std::set<ELFSymbol> &Set) {
ELFSymbol Sym(Key.str());
IO.mapRequired(Key.str().c_str(), Sym);
Set.insert(Sym);
}
static void output(IO &IO, std::set<ELFSymbol> &Set) {
for (auto &Sym : Set)
IO.mapRequired(Sym.Name.c_str(), const_cast<ELFSymbol &>(Sym));
}
static const bool flow = true; // NOLINT(readability-identifier-naming)
};
/// YAML traits for ELFStub objects.
template <> struct MappingTraits<ELFStub> {
static void mapping(IO &IO, ELFStub &Stub) {
if (!IO.mapTag("!tapi-tbe", true))
if (!IO.mapTag("!ifs-v1", true))
IO.setError("Not a .tbe YAML file.");
IO.mapRequired("TbeVersion", Stub.TbeVersion);
IO.mapOptional("SoName", Stub.SoName);
IO.mapRequired("Arch", (ELFArchMapper &)Stub.Arch);
IO.mapOptional("Target", Stub.Target);
IO.mapOptional("NeededLibs", Stub.NeededLibs);
IO.mapRequired("Symbols", Stub.Symbols);
}
};
/// YAML traits for ELFStubTriple objects.
template <> struct MappingTraits<ELFStubTriple> {
static void mapping(IO &IO, ELFStubTriple &Stub) {
if (!IO.mapTag("!ifs-v1", true))
IO.setError("Not a .tbe YAML file.");
IO.mapRequired("TbeVersion", Stub.TbeVersion);
IO.mapOptional("SoName", Stub.SoName);
IO.mapOptional("Target", Stub.Target.Triple);
IO.mapOptional("NeededLibs", Stub.NeededLibs);
IO.mapRequired("Symbols", Stub.Symbols);
}
};
} // end namespace yaml
} // end namespace llvm
/// Attempt to determine if a Text stub uses target triple.
bool usesTriple(StringRef Buf) {
for (line_iterator I(MemoryBufferRef(Buf, "ELFStub")); !I.is_at_eof(); ++I) {
StringRef Line = (*I).trim();
if (Line.startswith("Target:")) {
if (Line == "Target:" || (Line.find("{") != Line.npos)) {
return false;
}
}
}
return true;
}
Expected<std::unique_ptr<ELFStub>> elfabi::readTBEFromBuffer(StringRef Buf) {
yaml::Input YamlIn(Buf);
std::unique_ptr<ELFStub> Stub(new ELFStub());
YamlIn >> *Stub;
if (std::error_code Err = YamlIn.error())
std::unique_ptr<ELFStubTriple> Stub(new ELFStubTriple());
if (usesTriple(Buf)) {
YamlIn >> *Stub;
} else {
YamlIn >> *static_cast<ELFStub *>(Stub.get());
}
if (std::error_code Err = YamlIn.error()) {
return createStringError(Err, "YAML failed reading as TBE");
}
if (Stub->TbeVersion > elfabi::TBEVersionCurrent)
return make_error<StringError>(
"TBE version " + Stub->TbeVersion.getAsString() + " is unsupported.",
std::make_error_code(std::errc::invalid_argument));
if (Stub->Target.ArchString) {
Stub->Target.Arch =
ELF::convertArchNameToEMachine(Stub->Target.ArchString.getValue());
}
return std::move(Stub);
}
Error elfabi::writeTBEToOutputStream(raw_ostream &OS, const ELFStub &Stub) {
yaml::Output YamlOut(OS, NULL, /*WrapColumn =*/0);
std::unique_ptr<ELFStubTriple> CopyStub(new ELFStubTriple(Stub));
if (Stub.Target.Arch) {
CopyStub->Target.ArchString = std::string(
ELF::convertEMachineToArchName(Stub.Target.Arch.getValue()));
}
IFSTarget Target = Stub.Target;
YamlOut << const_cast<ELFStub &>(Stub);
if (CopyStub->Target.Triple ||
(!CopyStub->Target.ArchString && !CopyStub->Target.Endianness &&
!CopyStub->Target.BitWidth))
YamlOut << *CopyStub;
else
YamlOut << *static_cast<ELFStub *>(CopyStub.get());
return Error::success();
}
Error elfabi::overrideTBETarget(ELFStub &Stub, Optional<ELFArch> OverrideArch,
Optional<ELFEndiannessType> OverrideEndianness,
Optional<ELFBitWidthType> OverrideBitWidth,
Optional<std::string> OverrideTriple) {
std::error_code OverrideEC(1, std::generic_category());
if (OverrideArch) {
if (Stub.Target.Arch &&
Stub.Target.Arch.getValue() != OverrideArch.getValue()) {
return make_error<StringError>(
"Supplied Arch conflicts with the text stub", OverrideEC);
}
Stub.Target.Arch = OverrideArch.getValue();
}
if (OverrideEndianness) {
if (Stub.Target.Endianness &&
Stub.Target.Endianness.getValue() != OverrideEndianness.getValue()) {
return make_error<StringError>(
"Supplied Endianness conflicts with the text stub", OverrideEC);
}
Stub.Target.Endianness = OverrideEndianness.getValue();
}
if (OverrideBitWidth) {
if (Stub.Target.BitWidth &&
Stub.Target.BitWidth.getValue() != OverrideBitWidth.getValue()) {
return make_error<StringError>(
"Supplied BitWidth conflicts with the text stub", OverrideEC);
}
Stub.Target.BitWidth = OverrideBitWidth.getValue();
}
if (OverrideTriple) {
if (Stub.Target.Triple &&
Stub.Target.Triple.getValue() != OverrideTriple.getValue()) {
return make_error<StringError>(
"Supplied Triple conflicts with the text stub", OverrideEC);
}
Stub.Target.Triple = OverrideTriple.getValue();
}
return Error::success();
}
Error elfabi::validateTBETarget(ELFStub &Stub, bool ParseTriple) {
std::error_code ValidationEC(1, std::generic_category());
if (Stub.Target.Triple) {
if (Stub.Target.Arch || Stub.Target.BitWidth || Stub.Target.Endianness ||
Stub.Target.ObjectFormat) {
return make_error<StringError>(
"Target triple cannot be used simultaneously with ELF target format",
ValidationEC);
}
if (ParseTriple) {
IFSTarget TargetFromTriple = parseTriple(Stub.Target.Triple.getValue());
Stub.Target.Arch = TargetFromTriple.Arch;
Stub.Target.BitWidth = TargetFromTriple.BitWidth;
Stub.Target.Endianness = TargetFromTriple.Endianness;
}
return Error::success();
}
if (!Stub.Target.Arch || !Stub.Target.BitWidth || !Stub.Target.Endianness) {
// TODO: unify the error message.
if (!Stub.Target.Arch) {
return make_error<StringError>("Arch is not defined in the text stub",
ValidationEC);
}
if (!Stub.Target.BitWidth) {
return make_error<StringError>("BitWidth is not defined in the text stub",
ValidationEC);
}
if (!Stub.Target.Endianness) {
return make_error<StringError>(
"Endianness is not defined in the text stub", ValidationEC);
}
}
return Error::success();
}
IFSTarget elfabi::parseTriple(StringRef TripleStr) {
Triple IFSTriple(TripleStr);
IFSTarget RetTarget;
// TODO: Implement a Triple Arch enum to e_machine map.
switch (IFSTriple.getArch()) {
case Triple::ArchType::aarch64:
RetTarget.Arch = (ELFArch)ELF::EM_AARCH64;
break;
case Triple::ArchType::x86_64:
RetTarget.Arch = (ELFArch)ELF::EM_X86_64;
break;
default:
RetTarget.Arch = (ELFArch)ELF::EM_NONE;
}
RetTarget.Endianness = IFSTriple.isLittleEndian() ? ELFEndiannessType::Little
: ELFEndiannessType::Big;
RetTarget.BitWidth =
IFSTriple.isArch64Bit() ? ELFBitWidthType::ELF64 : ELFBitWidthType::ELF32;
return RetTarget;
}
void elfabi::stripTBETarget(ELFStub &Stub, bool StripTriple, bool StripArch,
bool StripEndianness, bool StripBitWidth) {
if (StripTriple || StripArch) {
Stub.Target.Arch.reset();
Stub.Target.ArchString.reset();
}
if (StripTriple || StripEndianness) {
Stub.Target.Endianness.reset();
}
if (StripTriple || StripBitWidth) {
Stub.Target.BitWidth.reset();
}
if (StripTriple) {
Stub.Target.Triple.reset();
}
if (!Stub.Target.Arch && !Stub.Target.BitWidth && !Stub.Target.Endianness) {
Stub.Target.ObjectFormat.reset();
}
}

8
test/tools/llvm-elfabi/binary-read-add-soname.test
View File

@ -1,5 +1,5 @@
# RUN: yaml2obj %s -o %t
# RUN: llvm-elfabi --elf %t --emit-tbe=- --soname=best.so | FileCheck %s
# RUN: llvm-elfabi --input-format=ELF --output-format=TBE --output=- --soname=best.so %t | FileCheck %s
!ELF
FileHeader:
@ -42,9 +42,9 @@ ProgramHeaders:
FirstSec: .dynamic
LastSec: .dynamic
# CHECK: --- !tapi-tbe
# CHECK: --- !ifs-v1
# CHECK-NEXT: TbeVersion: {{[1-9]\d*\.(0|([1-9]\d*))}}
# CHECK-NEXT: SoName: best.so{{$}}
# CHECK-NEXT: Arch: AArch64
# CHECK-NEXT: Symbols: {}
# CHECK-NEXT: Target: { ObjectFormat: ELF, Arch: AArch64, Endianness: little, BitWidth: 64 }
# CHECK-NEXT: Symbols: []
# CHECK-NEXT: ...

106
test/tools/llvm-elfabi/binary-read-arch.test
View File

@ -1,7 +1,8 @@
# RUN: yaml2obj %s -o %t
# RUN: llvm-elfabi --elf %t --emit-tbe=- | FileCheck %s
# RUN: yaml2obj --docnum=1 %s -o %t
# RUN: llvm-elfabi --input-format=ELF --output-format=TBE --output=- %t | FileCheck %s -DTARGET="{ ObjectFormat: ELF, Arch: x86_64, Endianness: little, BitWidth: 64 }"
# RUN: llvm-elfabi --input-format=ELF --output-format=TBE --output=- --hint-ifs-target="x86_64-linux-gnu" %t | FileCheck %s -DTARGET="x86_64-linux-gnu"
!ELF
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
@ -42,8 +43,101 @@ ProgramHeaders:
FirstSec: .dynamic
LastSec: .dynamic
# CHECK: --- !tapi-tbe
# CHECK: --- !ifs-v1
# CHECK-NEXT: TbeVersion: {{[1-9]\d*\.(0|([1-9]\d*))}}
# CHECK-NEXT: Arch: x86_64
# CHECK-NEXT: Symbols: {}
# CHECK-NEXT: Target: [[TARGET]]
# CHECK-NEXT: Symbols: []
# CHECK-NEXT: ...
# HINTERR: error: Triple hint does not match the actual [[MSG]]
# RUN: yaml2obj --docnum=1 %s -o %t
# RUN: not llvm-elfabi --input-format=ELF --output-format=TBE --output=%t.tbe --hint-ifs-target="aarch64-linux-gnu" %t 2>&1 | FileCheck %s -DMSG=architecture --check-prefix=HINTERR
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2MSB
Type: ET_DYN
Machine: EM_X86_64
Sections:
- Name: .dynstr
Type: SHT_STRTAB
Flags: [ SHF_ALLOC ]
Address: 0x0000
Content: "00"
- Name: .dynamic
Type: SHT_DYNAMIC
Flags: [ SHF_ALLOC ]
Address: 0x0000000000000008
Link: .dynstr
AddressAlign: 0x0000000000000008
EntSize: 0x0000000000000010
Entries:
- Tag: DT_STRSZ
Value: 0x0000000000000001
- Tag: DT_STRTAB
Value: 0x0000000000000000
- Tag: DT_SYMTAB
Value: 0x0000000000000000
- Tag: DT_NULL
Value: 0x0000000000000000
ProgramHeaders:
- Type: PT_LOAD
Flags: [ PF_R ]
VAddr: 0x0000
Align: 8
FirstSec: .dynstr
LastSec: .dynamic
- Type: PT_DYNAMIC
Flags: [ PF_X, PF_R ]
VAddr: 0x0008
FirstSec: .dynamic
LastSec: .dynamic
# RUN: yaml2obj --docnum=2 %s -o %t
# RUN: not llvm-elfabi --input-format=ELF --output-format=TBE --output=%t.tbe --hint-ifs-target="x86_64-unknown-linux-gnu" %t 2>&1 | FileCheck %s -DMSG="endianness" --check-prefix=HINTERR
--- !ELF
FileHeader:
Class: ELFCLASS32
Data: ELFDATA2LSB
Type: ET_DYN
Machine: EM_X86_64
Sections:
- Name: .dynstr
Type: SHT_STRTAB
Flags: [ SHF_ALLOC ]
Address: 0x0000
Content: "00"
- Name: .dynamic
Type: SHT_DYNAMIC
Flags: [ SHF_ALLOC ]
Address: 0x0000000000000008
Link: .dynstr
AddressAlign: 0x0000000000000008
EntSize: 0x0000000000000010
Entries:
- Tag: DT_STRSZ
Value: 0x0000000000000001
- Tag: DT_STRTAB
Value: 0x0000000000000000
- Tag: DT_SYMTAB
Value: 0x0000000000000000
- Tag: DT_NULL
Value: 0x0000000000000000
ProgramHeaders:
- Type: PT_LOAD
Flags: [ PF_R ]
VAddr: 0x0000
Align: 8
FirstSec: .dynstr
LastSec: .dynamic
- Type: PT_DYNAMIC
Flags: [ PF_X, PF_R ]
VAddr: 0x0008
FirstSec: .dynamic
LastSec: .dynamic
# RUN: yaml2obj --docnum=3 %s -o %t
# RUN: not llvm-elfabi --input-format=ELF --output-format=TBE --output=%t.tbe --hint-ifs-target="x86_64-unknown-linux-gnu" %t 2>&1 | FileCheck %s -DMSG="bit width" --check-prefix=HINTERR

2
test/tools/llvm-elfabi/binary-read-bad-soname.test
View File

@ -1,5 +1,5 @@
# RUN: yaml2obj %s -o %t
# RUN: not llvm-elfabi --elf %t --emit-tbe=%t.tbe 2>&1 | FileCheck %s
# RUN: not llvm-elfabi --input-format=ELF --output-format=TBE --output=%t.tbe %t 2>&1 | FileCheck %s
!ELF
FileHeader:

2
test/tools/llvm-elfabi/binary-read-bad-vaddr.test
View File

@ -1,5 +1,5 @@
# RUN: yaml2obj %s -o %t
# RUN: not llvm-elfabi --elf %t --emit-tbe=%t.tbe 2>&1 | FileCheck %s
# RUN: not llvm-elfabi --input-format=ELF --output-format=TBE --output=%t.tbe %t 2>&1 | FileCheck %s
!ELF
FileHeader:

2
test/tools/llvm-elfabi/binary-read-neededlibs-bad-offset.test
View File

@ -1,5 +1,5 @@
# RUN: yaml2obj %s -o %t
# RUN: not llvm-elfabi --elf %t --emit-tbe=%t.tbe 2>&1 | FileCheck %s
# RUN: not llvm-elfabi --input-format=ELF --output-format=TBE --output=%t.tbe %t 2>&1 | FileCheck %s
!ELF
FileHeader:

4
test/tools/llvm-elfabi/binary-read-neededlibs.test
View File

@ -1,5 +1,5 @@
# RUN: yaml2obj %s -o %t
# RUN: llvm-elfabi --elf %t --emit-tbe=- | FileCheck %s
# RUN: llvm-elfabi --input-format=ELF --output-format=TBE --output=- %t | FileCheck %s
!ELF
FileHeader:
@ -48,4 +48,4 @@ ProgramHeaders:
# CHECK: NeededLibs:
# CHECK-NEXT: - libfoo.so{{$}}
# CHECK-NEXT: - libbar.so{{$}}
# CHECK-NEXT: Symbols: {}
# CHECK-NEXT: Symbols: []

2
test/tools/llvm-elfabi/binary-read-no-dt-strsz.test
View File

@ -1,5 +1,5 @@
# RUN: yaml2obj %s -o %t
# RUN: not llvm-elfabi --elf %t --emit-tbe=%t.tbe 2>&1 | FileCheck %s
# RUN: not llvm-elfabi --input-format=ELF --output-format=TBE --output=%t.tbe %t 2>&1 | FileCheck %s
!ELF
FileHeader:

2
test/tools/llvm-elfabi/binary-read-no-dt-strtab.test
View File

@ -1,5 +1,5 @@
# RUN: yaml2obj %s -o %t
# RUN: not llvm-elfabi --elf %t --emit-tbe=%t.tbe 2>&1 | FileCheck %s
# RUN: not llvm-elfabi --input-format=ELF --output-format=TBE --output=%t.tbe %t 2>&1 | FileCheck %s
!ELF
FileHeader:

2
test/tools/llvm-elfabi/binary-read-no-dynamic.test
View File

@ -1,5 +1,5 @@
# RUN: yaml2obj %s -o %t
# RUN: not llvm-elfabi --elf %t --emit-tbe=%t.tbe 2>&1 | FileCheck %s
# RUN: not llvm-elfabi --input-format=ELF --output-format=TBE --output=%t.tbe %t 2>&1 | FileCheck %s
!ELF
FileHeader:

4
test/tools/llvm-elfabi/binary-read-replace-soname.test
View File

@ -1,6 +1,6 @@
# RUN: yaml2obj %s -o %t
# RUN: llvm-elfabi --elf %t --emit-tbe=- | FileCheck %s --check-prefix=ORIGINAL
# RUN: llvm-elfabi --elf %t --emit-tbe=- --soname=libbest.so | FileCheck %s --check-prefix=REPLACED
# RUN: llvm-elfabi --input-format=ELF --output-format=TBE --output=- %t | FileCheck %s --check-prefix=ORIGINAL
# RUN: llvm-elfabi --input-format=ELF --output-format=TBE --soname=libbest.so --output=- %t | FileCheck %s --check-prefix=REPLACED
!ELF
FileHeader:

2
test/tools/llvm-elfabi/binary-read-soname-no-null.test
View File

@ -1,5 +1,5 @@
# RUN: yaml2obj %s -o %t
# RUN: not llvm-elfabi --elf %t --emit-tbe=%t.tbe 2>&1 | FileCheck %s
# RUN: not llvm-elfabi --input-format=ELF --output-format=TBE --output=%t.tbe %t 2>&1 | FileCheck %s
!ELF
FileHeader:

8
test/tools/llvm-elfabi/binary-read-soname.test
View File

@ -1,5 +1,5 @@
# RUN: yaml2obj %s -o %t
# RUN: llvm-elfabi --elf %t --emit-tbe=- | FileCheck %s
# RUN: llvm-elfabi --input-format=ELF --output-format=TBE --output=- %t | FileCheck %s
!ELF
FileHeader:
@ -45,9 +45,9 @@ ProgramHeaders:
FirstSec: .dynamic
LastSec: .dynamic
# CHECK: --- !tapi-tbe
# CHECK: --- !ifs-v1
# CHECK-NEXT: TbeVersion: {{[1-9]\d*\.(0|([1-9]\d*))}}
# CHECK-NEXT: SoName: somelib.so{{$}}
# CHECK-NEXT: Arch: x86_64
# CHECK-NEXT: Symbols: {}
# CHECK-NEXT: Target: { ObjectFormat: ELF, Arch: x86_64, Endianness: little, BitWidth: 64 }
# CHECK-NEXT: Symbols: []
# CHECK-NEXT: ...

26
test/tools/llvm-elfabi/binary-read-syms-gnu-hash.test
View File

@ -1,22 +1,22 @@
# RUN: llvm-elfabi --elf %p/Inputs/gnu_hash.so --emit-tbe=- | FileCheck %s
# RUN: llvm-elfabi --input-format=ELF --output-format=TBE --output=- %p/Inputs/gnu_hash.so | FileCheck %s
# CHECK: --- !tapi-tbe
# CHECK: --- !ifs-v1
# CHECK-NEXT: TbeVersion: 1.0
# CHECK-NEXT: SoName: libsomething.so
# CHECK-NEXT: Arch: x86_64
# CHECK-NEXT: Target: { ObjectFormat: ELF, Arch: x86_64, Endianness: little, BitWidth: 64 }
# CHECK-NEXT: NeededLibs:
# CHECK-NEXT: - libm.so.6
# CHECK-NEXT: - libc.so.6
# CHECK-NEXT: - ld-linux-x86-64.so.2
# CHECK-NEXT: Symbols:
# CHECK-NEXT: AGlobalInteger: { Type: Object, Size: 4 }
# CHECK-NEXT: AThreadLocalLongInteger: { Type: TLS, Size: 8 }
# CHECK-NEXT: _ITM_deregisterTMCloneTable: { Type: NoType, Undefined: true, Weak: true }
# CHECK-NEXT: _ITM_registerTMCloneTable: { Type: NoType, Undefined: true, Weak: true }
# CHECK-NEXT: _Z11rotateArrayPii: { Type: Func }
# CHECK-NEXT: __cxa_finalize: { Type: Func, Undefined: true, Weak: true }
# CHECK-NEXT: __gmon_start__: { Type: NoType, Undefined: true, Weak: true }
# CHECK-NEXT: __tls_get_addr: { Type: Func, Undefined: true }
# CHECK-NEXT: _fini: { Type: Func }
# CHECK-NEXT: _init: { Type: Func }
# CHECK-NEXT: - { Name: __gmon_start__, Type: NoType, Undefined: true, Weak: true }
# CHECK-NEXT: - { Name: _ITM_deregisterTMCloneTable, Type: NoType, Undefined: true, Weak: true }
# CHECK-NEXT: - { Name: _ITM_registerTMCloneTable, Type: NoType, Undefined: true, Weak: true }
# CHECK-NEXT: - { Name: __cxa_finalize, Type: Func, Undefined: true, Weak: true }
# CHECK-NEXT: - { Name: __tls_get_addr, Type: Func, Undefined: true }
# CHECK-NEXT: - { Name: _init, Type: Func }
# CHECK-NEXT: - { Name: _fini, Type: Func }
# CHECK-NEXT: - { Name: AGlobalInteger, Type: Object, Size: 4 }
# CHECK-NEXT: - { Name: AThreadLocalLongInteger, Type: TLS, Size: 8 }
# CHECK-NEXT: - { Name: _Z11rotateArrayPii, Type: Func }
# CHECK-NEXT: ...

26
test/tools/llvm-elfabi/binary-read-syms-sysv-hash.test
View File

@ -1,22 +1,22 @@
# RUN: llvm-elfabi --elf %p/Inputs/sysv_hash.so --emit-tbe=- | FileCheck %s
# RUN: llvm-elfabi --input-format=ELF --output-format=TBE --output=- %p/Inputs/sysv_hash.so | FileCheck %s
# CHECK: --- !tapi-tbe
# CHECK: --- !ifs-v1
# CHECK-NEXT: TbeVersion: 1.0
# CHECK-NEXT: SoName: libsomething.so
# CHECK-NEXT: Arch: x86_64
# CHECK-NEXT: Target: { ObjectFormat: ELF, Arch: x86_64, Endianness: little, BitWidth: 64 }
# CHECK-NEXT: NeededLibs:
# CHECK-NEXT: - libm.so.6
# CHECK-NEXT: - libc.so.6
# CHECK-NEXT: - ld-linux-x86-64.so.2
# CHECK-NEXT: Symbols:
# CHECK-NEXT: AGlobalInteger: { Type: Object, Size: 4 }
# CHECK-NEXT: AThreadLocalLongInteger: { Type: TLS, Size: 8 }
# CHECK-NEXT: _ITM_deregisterTMCloneTable: { Type: NoType, Undefined: true, Weak: true }
# CHECK-NEXT: _ITM_registerTMCloneTable: { Type: NoType, Undefined: true, Weak: true }
# CHECK-NEXT: _Z11rotateArrayPii: { Type: Func }
# CHECK-NEXT: __cxa_finalize: { Type: Func, Undefined: true, Weak: true }
# CHECK-NEXT: __gmon_start__: { Type: NoType, Undefined: true, Weak: true }
# CHECK-NEXT: __tls_get_addr: { Type: Func, Undefined: true }
# CHECK-NEXT: _fini: { Type: Func }
# CHECK-NEXT: _init: { Type: Func }
# CHECK-NEXT: - { Name: __gmon_start__, Type: NoType, Undefined: true, Weak: true }
# CHECK-NEXT: - { Name: _init, Type: Func }
# CHECK-NEXT: - { Name: _fini, Type: Func }
# CHECK-NEXT: - { Name: _ITM_deregisterTMCloneTable, Type: NoType, Undefined: true, Weak: true }
# CHECK-NEXT: - { Name: _ITM_registerTMCloneTable, Type: NoType, Undefined: true, Weak: true }
# CHECK-NEXT: - { Name: __cxa_finalize, Type: Func, Undefined: true, Weak: true }
# CHECK-NEXT: - { Name: AGlobalInteger, Type: Object, Size: 4 }
# CHECK-NEXT: - { Name: AThreadLocalLongInteger, Type: TLS, Size: 8 }
# CHECK-NEXT: - { Name: _Z11rotateArrayPii, Type: Func }
# CHECK-NEXT: - { Name: __tls_get_addr, Type: Func, Undefined: true }
# CHECK-NEXT: ...

2
test/tools/llvm-elfabi/fail-file-open.test
View File

@ -1,4 +1,4 @@
# RUN: not llvm-elfabi %s.NotAFileInTestingDir --emit-tbe=%t 2>&1 | FileCheck %s
# RUN: not llvm-elfabi --output-format=TBE --output=%t.tbe %s.NotAFileInTestingDir 2>&1 | FileCheck %s
This file will not be read. An invalid file path is fed to llvm-elfabi.

8
test/tools/llvm-elfabi/fail-file-write-windows.test
View File

@ -3,14 +3,14 @@
# REQUIRES: system-windows
# RUN: touch %t.TestFile
# RUN: chmod 400 %t.TestFile
# RUN: not llvm-elfabi %s --output-target=elf64-little %t.TestFile 2>&1 | FileCheck -DMSG=%errc_EACCES %s --check-prefix=ERR
# RUN: not llvm-elfabi --output-format=ELF --output=%t.TestFile %s 2>&1 | FileCheck -DMSG=%errc_EACCES %s --check-prefix=ERR
# RUN: chmod 777 %t.TestFile
# RUN: rm -rf %t.TestFile
--- !tapi-tbe
--- !ifs-v1
TbeVersion: 1.0
Arch: AArch64
Symbols: {}
Target: { ObjectFormat: ELF, Arch: AArch64, Endianness: little, BitWidth: 64 }
Symbols: []
...
# ERR: error: [[MSG]]

8
test/tools/llvm-elfabi/fail-file-write.test
View File

@ -5,14 +5,14 @@
# RUN: mkdir %t.TestDir
# RUN: touch %t.TestDir/Output.TestFile
# RUN: chmod 400 %t.TestDir
# RUN: not llvm-elfabi %s --output-target=elf64-little %t.TestDir/Output.TestFile 2>&1 | FileCheck -DMSG=%errc_EACCES %s --check-prefix=ERR
# RUN: not llvm-elfabi --output-format=ELF --output=%t.TestDir/Output.TestFile %s 2>&1 | FileCheck -DMSG=%errc_EACCES %s --check-prefix=ERR
# RUN: chmod 777 %t.TestDir
# RUN: rm -rf %t.TestDir
--- !tapi-tbe
--- !ifs-v1
TbeVersion: 1.0
Arch: AArch64
Symbols: {}
Target: { ObjectFormat: ELF, Arch: AArch64, Endianness: little, BitWidth: 64 }
Symbols: []
...
# ERR: [[MSG]] when trying to open `{{.*}}.TestDir/Output.TestFile` for writing

14
test/tools/llvm-elfabi/output-target-error.test
View File

@ -1,15 +1,15 @@
## Test running llvm-elfabi without specifying a valid target.
# RUN: not llvm-elfabi %s %t 2>&1 | FileCheck %s --check-prefix=MISSING
# RUN: not llvm-elfabi %s --output-target=nope %t 2>&1 | FileCheck %s --check-prefix=INVALID
# RUN: not llvm-elfabi --output=%t %s 2>&1 | FileCheck %s --check-prefix=MISSING
# RUN: not llvm-elfabi --output-format=nope --output=%t %s 2>&1 | FileCheck %s --check-prefix=INVALID
--- !tapi-tbe
--- !ifs-v1
SoName: somelib.so
TbeVersion: 1.0
Arch: x86_64
Symbols: {}
Target: { ObjectFormat: ELF, Arch: x86_64, Endianness: little, BitWidth: 64 }
Symbols: []
...
# MISSING: error: no binary output target specified.
# MISSING: llvm-elfabi: for the --output-format option: must be specified at least once!
# INVALID: llvm-elfabi: for the --output-target option: Cannot find option named 'nope'!
# INVALID: llvm-elfabi: for the --output-format option: Cannot find option named 'nope'!

14
test/tools/llvm-elfabi/preserve-dates-stub.test
View File

@ -1,19 +1,19 @@
## Test writing unchanged content to ELF Stub file with --write-if-changed flag.
# RUN: llvm-elfabi %s --output-target=elf64-little %t
# RUN: llvm-elfabi --output-format=ELF --output=%t %s
# RUN: env TZ=GMT touch -m -t 197001010000 %t
# RUN: llvm-elfabi %s --output-target=elf64-little %t --write-if-changed
# RUN: llvm-elfabi --output-format=ELF --output=%t --write-if-changed %s
# RUN: env TZ=GMT ls -l %t | FileCheck %s
--- !tapi-tbe
--- !ifs-v1
TbeVersion: 1.0
Arch: x86_64
Target: { ObjectFormat: ELF, Arch: x86_64, Endianness: little, BitWidth: 64 }
NeededLibs:
- libc.so.6
Symbols:
bar: { Type: Object, Size: 42 }
baz: { Type: TLS, Size: 3 }
plus: { Type: Func }
- { Name: bar, Type: Object, Size: 42 }
- { Name: baz, Type: TLS, Size: 3 }
- { Name: plus, Type: Func }
...
# CHECK: {{[[:space:]]1970}}

4
test/tools/llvm-elfabi/preserve-dates-tbe.test
View File

@ -1,8 +1,8 @@
## Test writing unchanged content to TBE file with --write-if-changed flag.
# RUN: llvm-elfabi --elf %p/Inputs/gnu_hash.so --emit-tbe=%t
# RUN: llvm-elfabi --input-format=ELF --output-format=TBE --output=%t %p/Inputs/gnu_hash.so
# RUN: env TZ=GMT touch -m -t 197001010000 %t
# RUN: llvm-elfabi --elf %p/Inputs/gnu_hash.so --emit-tbe=%t --write-if-changed
# RUN: llvm-elfabi --input-format=ELF --output-format=TBE --output=%t --write-if-changed %p/Inputs/gnu_hash.so
# RUN: env TZ=GMT ls -l %t | FileCheck %s
# CHECK: {{[[:space:]]1970}}

16
test/tools/llvm-elfabi/read-elf-dynsym.test
View File

@ -5,26 +5,26 @@
## Test if llvm-elfabi reads DT_SYMTAB size through section headers by puting the wrong terminator in DT_GNU_HASH.
# RUN: yaml2obj %s -o %tfull -DGNUHASHVALUE="[0x9]" -DTAG1="DT_GNU_HASH" -DVAL1="0xC00"
# RUN: llvm-elfabi --elf %tfull --emit-tbe=- | FileCheck %s
# RUN: llvm-elfabi --input-format=ELF --output-format=TBE --output=- %tfull | FileCheck %s
## Test if llvm-elfabi fails to read DT_SYMTAB size through section headers when the value of sh_entsize is invalid.
# RUN: yaml2obj %s -o %tfull -DGNUHASHVALUE="[0x9]" -DTAG1="DT_GNU_HASH" -DVAL1="0xC00" -DENTSIZE="0x19"
# RUN: not llvm-elfabi --elf %tfull --emit-tbe=- 2>&1 | FileCheck %s --check-prefix=BADENTSIZE
# RUN: not llvm-elfabi --input-format=ELF --output-format=TBE --output=- %tfull 2>&1 | FileCheck %s --check-prefix=BADENTSIZE
## Test if llvm-elfabi reads DT_SYMTAB size through DT_GNU_HASH.
# RUN: yaml2obj %s -o %tw.gnu.hash -DGNUHASHVALUE="[0x8, 0x9]" -DTAG1="DT_GNU_HASH" -DVAL1="0xC00" -DNOHEADER="true"
# RUN: llvm-elfabi --elf %tw.gnu.hash --emit-tbe=- | FileCheck %s
# RUN: llvm-elfabi --input-format=ELF --output-format=TBE --output=- %tw.gnu.hash | FileCheck %s
## Test if llvm-elfabi fails to read DT_SYMTAB size through DT_GNU_HASH when there is no terminator.
# RUN: yaml2obj %s -o %tw.gnu.hash -DGNUHASHVALUE="[0x8, 0xA]" -DTAG1="DT_GNU_HASH" -DVAL1="0xC00" -DNOHEADER="true"
# RUN: not llvm-elfabi --elf %tw.gnu.hash --emit-tbe=- 2>&1 | FileCheck %s --check-prefix=NOTERMINATOR
# RUN: not llvm-elfabi --input-format=ELF --output-format=TBE --output=- %tw.gnu.hash 2>&1 | FileCheck %s --check-prefix=NOTERMINATOR
# CHECK: --- !tapi-tbe
# CHECK: --- !ifs-v1
# CHECK-NEXT: TbeVersion: 1.0
# CHECK-NEXT: Arch: AArch64
# CHECK-NEXT: Target: { ObjectFormat: ELF, Arch: AArch64, Endianness: little, BitWidth: 64 }
# CHECK-NEXT: Symbols:
# CHECK-NEXT: bar: { Type: Object, Size: 0, Undefined: true }
# CHECK-NEXT: foo: { Type: Func, Undefined: true }
# CHECK-NEXT: - { Name: foo, Type: Func, Undefined: true }
# CHECK-NEXT: - { Name: bar, Type: Object, Size: 0, Undefined: true }
# CHECK-NEXT: ...
# BADENTSIZE: SHT_DYNSYM section has sh_size (72) % sh_entsize (25) that is not 0

16
test/tools/llvm-elfabi/read-tbe-as-elf.test
View File

@ -1,15 +1,15 @@
# RUN: not llvm-elfabi --elf %s --emit-tbe=%t 2>&1 | FileCheck %s
# RUN: not llvm-elfabi --input-format=ELF --output-format=TBE --output=%t %s 2>&1 | FileCheck %s
--- !tapi-tbe
--- !ifs-v1
SoName: somelib.so
TbeVersion: 1.0
Arch: x86_64
Target: { ObjectFormat: ELF, Arch: AArch64, Endianness: little, BitWidth: 64 }
Symbols:
foo: { Type: Func }
bar: { Type: Object, Size: 42 }
baz: { Type: Object, Size: 8 }
not: { Type: Object, Undefined: true, Size: 128 }
nor: { Type: Func, Undefined: true }
- { Name: foo, Type: Func }
- { Name: bar, Type: Object, Size: 42 }
- { Name: baz, Type: Object, Size: 8 }
- { Name: not, Type: Object, Undefined: true, Size: 128 }
- { Name: nor, Type: Func, Undefined: true }
...
# CHECK: The file was not recognized as a valid object file

14
test/tools/llvm-elfabi/read-tbe-as-tbe.test
View File

@ -1,13 +1,13 @@
# RUN: llvm-elfabi --tbe %s --emit-tbe=- | FileCheck %s
# RUN: llvm-elfabi --input-format=TBE --output-format=TBE --output=- %s | FileCheck %s
--- !tapi-tbe
--- !ifs-v1
TbeVersion: 1.0
Arch: AArch64
Symbols: {}
Target: { ObjectFormat: ELF, Arch: AArch64, Endianness: little, BitWidth: 64 }
Symbols: []
...
# CHECK: --- !tapi-tbe
# CHECK: --- !ifs-v1
# CHECK-NEXT: TbeVersion: {{[1-9]\d*\.(0|([1-9]\d*))}}
# CHECK-NEXT: Arch: AArch64
# CHECK-NEXT: Symbols: {}
# CHECK-NEXT: Target: { ObjectFormat: ELF, Arch: AArch64, Endianness: little, BitWidth: 64 }
# CHECK-NEXT: Symbols: []
# CHECK-NEXT: ...

17
test/tools/llvm-elfabi/read-tbe-with-bad-bitwidth.test Normal file
View File

@ -0,0 +1,17 @@
## Test reading TBE file with bad bit width.
# RUN: not llvm-elfabi --output-format=TBE --output=- %s 2>&1 | FileCheck %s
--- !ifs-v1
SoName: somelib.so
TbeVersion: 1.0
Target: { ObjectFormat: ELF, Arch: x86_64, Endianness: little, BitWidth: 65 }
Symbols:
- { Name: foo, Type: Func }
- { Name: bar, Type: Object, Size: 42 }
- { Name: baz, Type: Object, Size: 8 }
- { Name: not, Type: Object, Size: 128, Undefined: true }
- { Name: nor, Type: Func, Undefined: true }
...
# CHECK: YAML:8:74: error: Unsupported bit width

17
test/tools/llvm-elfabi/read-tbe-with-bad-endianness.test Normal file
View File

@ -0,0 +1,17 @@
## Test reading TBE file with bad endianness.
# RUN: not llvm-elfabi --output-format=TBE --output=- %s 2>&1 | FileCheck %s
--- !ifs-v1
SoName: somelib.so
TbeVersion: 1.0
Target: { ObjectFormat: ELF, Arch: x86_64, Endianness: lit, BitWidth: 64 }
Symbols:
- { Name: foo, Type: Func }
- { Name: bar, Type: Object, Size: 42 }
- { Name: baz, Type: Object, Size: 8 }
- { Name: not, Type: Object, Size: 128, Undefined: true }
- { Name: nor, Type: Func, Undefined: true }
...
# CHECK: YAML:8:56: error: Unsupported endianness

2
test/tools/llvm-elfabi/read-unsupported-file.test
View File

@ -1,4 +1,4 @@
# RUN: not llvm-elfabi %s --emit-tbe=%t 2>&1 | FileCheck %s
# RUN: not llvm-elfabi --output-format=TBE --output=- %s 2>&1| FileCheck %s
This is just some text that cannot be read by llvm-elfabi.

27
test/tools/llvm-elfabi/strip-target.test Normal file
View File

@ -0,0 +1,27 @@
## Test writing tbe with stripped target information.
# RUN: llvm-elfabi --input-format=ELF --output-format=TBE --strip-ifs-target --output=- %p/Inputs/sysv_hash.so | FileCheck %s --check-prefix=NOTARGET
# RUN: llvm-elfabi --input-format=ELF --output-format=TBE --strip-ifs-arch --strip-ifs-endianness --strip-ifs-bitwidth --output=- %p/Inputs/sysv_hash.so | FileCheck %s --check-prefix=NOTARGET
# RUN: llvm-elfabi --input-format=ELF --output-format=TBE --strip-ifs-arch --output=- %p/Inputs/sysv_hash.so | FileCheck %s -DELFTARGET="ObjectFormat: ELF, Endianness: little, BitWidth: 64" --check-prefix=CHECK
# RUN: llvm-elfabi --input-format=ELF --output-format=TBE --strip-ifs-endianness --output=- %p/Inputs/sysv_hash.so | FileCheck %s -DELFTARGET="ObjectFormat: ELF, Arch: x86_64, BitWidth: 64" --check-prefix=CHECK
# RUN: llvm-elfabi --input-format=ELF --output-format=TBE --strip-ifs-bitwidth --output=- %p/Inputs/sysv_hash.so | FileCheck %s -DELFTARGET="ObjectFormat: ELF, Arch: x86_64, Endianness: little" --check-prefix=CHECK
# CHECK: --- !ifs-v1
# CHECK-NEXT: TbeVersion: 1.0
# CHECK-NEXT: SoName: libsomething.so
# CHECK-NEXT: Target: { [[ELFTARGET]] }
# CHECK-NEXT: NeededLibs:
# CHECK-NEXT: - libm.so.6
# CHECK-NEXT: - libc.so.6
# CHECK-NEXT: - ld-linux-x86-64.so.2
# CHECK-NEXT: Symbols:
# NOTARGET: --- !ifs-v1
# NOTARGET-NEXT: TbeVersion: 1.0
# NOTARGET-NEXT: SoName: libsomething.so
# NOTARGET-NEXT: NeededLibs:
# NOTARGET-NEXT: - libm.so.6
# NOTARGET-NEXT: - libc.so.6
# NOTARGET-NEXT: - ld-linux-x86-64.so.2
# NOTARGET-NEXT: Symbols:

10
test/tools/llvm-elfabi/tbe-emits-current-version.test
View File

@ -1,13 +1,13 @@
# RUN: llvm-elfabi %s --emit-tbe=- | FileCheck %s
# RUN: llvm-elfabi --output-format=TBE --output=- %s | FileCheck %s
--- !tapi-tbe
--- !ifs-v1
TbeVersion: 1.0
Arch: AArch64
Symbols: {}
Target: { ObjectFormat: ELF, Arch: AArch64, Endianness: little, BitWidth: 64 }
Symbols: []
...
# As the tbe reader/writer is updated, update this check to ensure --emit-tbe
# uses the latest tbe writer by default.
# CHECK: --- !tapi-tbe
# CHECK: --- !ifs-v1
# CHECK-NEXT: TbeVersion: 1.0

30
test/tools/llvm-elfabi/tbe-read-basic.test
View File

@ -1,25 +1,25 @@
# RUN: llvm-elfabi %s --emit-tbe=- | FileCheck %s
# RUN: llvm-elfabi --output-format=TBE --output=- %s | FileCheck %s
--- !tapi-tbe
--- !ifs-v1
SoName: somelib.so
TbeVersion: 1.0
Arch: x86_64
Target: { ObjectFormat: ELF, Arch: x86_64, Endianness: little, BitWidth: 64 }
Symbols:
foo: { Type: Func }
bar: { Type: Object, Size: 42 }
baz: { Type: Object, Size: 8 }
not: { Type: Object, Undefined: true, Size: 128 }
nor: { Type: Func, Undefined: true }
- { Name: foo, Type: Func }
- { Name: bar, Type: Object, Size: 42 }
- { Name: baz, Type: Object, Size: 8 }
- { Name: not, Type: Object, Size: 128, Undefined: true }
- { Name: nor, Type: Func, Undefined: true }
...
# CHECK: --- !tapi-tbe
# CHECK: --- !ifs-v1
# CHECK-NEXT: TbeVersion: {{[1-9]\d*\.(0|([1-9]\d*))}}
# CHECK-NEXT: SoName: somelib.so
# CHECK-NEXT: Arch: x86_64
# CHECK-NEXT: Target: { ObjectFormat: ELF, Arch: x86_64, Endianness: little, BitWidth: 64 }
# CHECK-NEXT: Symbols:
# CHECK-NEXT: bar: { Type: Object, Size: 42 }
# CHECK-NEXT: baz: { Type: Object, Size: 8 }
# CHECK-NEXT: foo: { Type: Func }
# CHECK-NEXT: nor: { Type: Func, Undefined: true }
# CHECK-NEXT: not: { Type: Object, Size: 128, Undefined: true }
# CHECK-NEXT: - { Name: foo, Type: Func }
# CHECK-NEXT: - { Name: bar, Type: Object, Size: 42 }
# CHECK-NEXT: - { Name: baz, Type: Object, Size: 8 }
# CHECK-NEXT: - { Name: not, Type: Object, Size: 128, Undefined: true }
# CHECK-NEXT: - { Name: nor, Type: Func, Undefined: true }
# CHECK-NEXT: ...

8
test/tools/llvm-elfabi/write-stub-no-nonlocal-symbol.test
View File

@ -1,14 +1,14 @@
## Test writing stub elf when symbol table contains no non-local symbol.
# RUN: llvm-elfabi %s --output-target=elf64-little %t
# RUN: llvm-elfabi --output-format=ELF --output=%t %s
# RUN: llvm-readobj -S %t | FileCheck %s -DCLASS="64-bit (0x2)" -DDE="LittleEndian (0x1)" -DHS=64 -DPHES=56 -DSHES=64 -DDYNSYMAL=8 -DDYNSYMES=24 -DDYNAMICAL=8 -DDYNAMICES=16 -DDYNTABZ=000000000
--- !tapi-tbe
--- !ifs-v1
TbeVersion: 1.0
Arch: x86_64
Target: { ObjectFormat: ELF, Arch: x86_64, Endianness: little, BitWidth: 64 }
NeededLibs:
- libc.so.6
Symbols: {}
Symbols: []
...
# CHECK: Section {

40
test/tools/llvm-elfabi/write-stub.test
View File

@ -1,26 +1,44 @@
## Test writing stub elf with minimal sections.
# RUN: llvm-elfabi %s --output-target=elf32-little %t.elf32l
# RUN: llvm-elfabi --output-format=ELF --output=%t.elf32l --arch=x86_64 --bitwidth=32 --endianness=little %s
# RUN: llvm-readobj -h -S --string-dump .dynstr --string-dump .shstrtab --dyn-symbols --dynamic-table %t.elf32l | FileCheck %s -DCLASS="32-bit (0x1)" -DDE="LittleEndian (0x1)" -DHS=52 -DPHES=32 -DSHES=40 -DDYNSYMAL=4 -DDYNSYMES=16 -DDYNAMICAL=4 -DDYNAMICES=8 -DDYNTABZ=0
# RUN: llvm-elfabi %s --output-target=elf32-big %t.elf32b
# RUN: llvm-elfabi --output-format=ELF --output=%t.elf32b --arch=x86_64 --bitwidth=32 --endianness=big %s
# RUN: llvm-readobj -h -S --string-dump .dynstr --string-dump .shstrtab --dyn-symbols --dynamic-table %t.elf32b | FileCheck %s -DCLASS="32-bit (0x1)" -DDE="BigEndian (0x2)" -DHS=52 -DPHES=32 -DSHES=40 -DDYNSYMAL=4 -DDYNSYMES=16 -DDYNAMICAL=4 -DDYNAMICES=8 -DDYNTABZ=0
# RUN: llvm-elfabi %s --output-target=elf64-little %t.elf64l
# RUN: llvm-elfabi --output-format=ELF --output=%t.elf64l --arch=x86_64 --bitwidth=64 --endianness=little %s
# RUN: llvm-readobj -h -S --string-dump .dynstr --string-dump .shstrtab --dyn-symbols --dynamic-table %t.elf64l | FileCheck %s -DCLASS="64-bit (0x2)" -DDE="LittleEndian (0x1)" -DHS=64 -DPHES=56 -DSHES=64 -DDYNSYMAL=8 -DDYNSYMES=24 -DDYNAMICAL=8 -DDYNAMICES=16 -DDYNTABZ=000000000
# RUN: llvm-elfabi %s --output-target=elf64-big %t.elf64b
# RUN: llvm-elfabi --output-format=ELF --output=%t.elf64l --target=x86_64-linux-gnu %s
# RUN: llvm-readobj -h -S --string-dump .dynstr --string-dump .shstrtab --dyn-symbols --dynamic-table %t.elf64l | FileCheck %s -DCLASS="64-bit (0x2)" -DDE="LittleEndian (0x1)" -DHS=64 -DPHES=56 -DSHES=64 -DDYNSYMAL=8 -DDYNSYMES=24 -DDYNAMICAL=8 -DDYNAMICES=16 -DDYNTABZ=000000000
# RUN: llvm-elfabi --output-format=ELF --output=%t.elf64b --arch=x86_64 --bitwidth=64 --endianness=big %s
# RUN: llvm-readobj -h -S --string-dump .dynstr --string-dump .shstrtab --dyn-symbols --dynamic-table %t.elf64b | FileCheck %s -DCLASS="64-bit (0x2)" -DDE="BigEndian (0x2)" -DHS=64 -DPHES=56 -DSHES=64 -DDYNSYMAL=8 -DDYNSYMES=24 -DDYNAMICAL=8 -DDYNAMICES=16 -DDYNTABZ=000000000
--- !tapi-tbe
# RUN: not llvm-elfabi --output-format=ELF --output=%t --arch=x86_64 --bitwidth=64 --endianness=big --target=x86_64-linux-gnu %s 2>&1 | FileCheck %s --check-prefix=TRIPLEERR
# RUN: not llvm-elfabi --output-format=ELF --output=%t --bitwidth=64 --endianness=big %s 2>&1 | FileCheck %s -DMSG="Arch" --check-prefix=TARGETERR
# RUN: not llvm-elfabi --output-format=ELF --output=%t --arch=x86_64 --endianness=big %s 2>&1 | FileCheck %s -DMSG="BitWidth" --check-prefix=TARGETERR
# RUN: not llvm-elfabi --output-format=ELF --output=%t --arch=x86_64 --bitwidth=64 %s 2>&1 | FileCheck %s -DMSG="Endianness" --check-prefix=TARGETERR
# RUN: llvm-elfabi --output-format=TBE --output=%t.target --target=x86_64-linux-gnu %s
# RUN: not llvm-elfabi --output-format=ELF --output=%t --target=aarch64-linux-gnu %t.target 2>&1 | FileCheck %s -DMSG="Triple" --check-prefix=CONFLICTERR
# RUN: llvm-elfabi --output-format=TBE --output=%t.target --arch=x86_64 --endianness=little --bitwidth=64 %s
# RUN: not llvm-elfabi --output-format=ELF --output=%t --arch=AArch64 %t.target 2>&1 | FileCheck %s -DMSG=Arch --check-prefix=CONFLICTERR
# RUN: not llvm-elfabi --output-format=ELF --output=%t --endianness=big %t.target 2>&1 | FileCheck %s -DMSG=Endianness --check-prefix=CONFLICTERR
# RUN: not llvm-elfabi --output-format=ELF --output=%t --bitwidth=32 %t.target 2>&1 | FileCheck %s -DMSG=BitWidth --check-prefix=CONFLICTERR
--- !ifs-v1
TbeVersion: 1.0
Arch: x86_64
NeededLibs:
- libc.so.6
Symbols:
bar: { Type: Object, Size: 42 }
baz: { Type: TLS, Size: 3 }
plus: { Type: Func }
- { Name: bar, Type: Object, Size: 42 }
- { Name: baz, Type: TLS, Size: 3 }
- { Name: plus, Type: Func }
...
# CHECK: ElfHeader {
@ -175,3 +193,7 @@ Symbols:
# CHECK-NEXT: [ 9] .dynsym
# CHECK-NEXT: [ 11] .dynamic
# CHECK-NEXT: [ 1a] .shstrtab
# TRIPLEERR: error: Target triple cannot be used simultaneously with ELF target format
# TARGETERR: error: [[MSG]] is not defined in the text stub
# CONFLICTERR: error: Supplied [[MSG]] conflicts with the text stub

1
tools/llvm-elfabi/CMakeLists.txt
View File

@ -1,4 +1,5 @@
set(LLVM_LINK_COMPONENTS
BinaryFormat
InterfaceStub
Object
Support

131
tools/llvm-elfabi/llvm-elfabi.cpp
View File

@ -30,33 +30,50 @@ using namespace llvm;
using namespace llvm::elfabi;
// Command line flags:
cl::opt<FileFormat> InputFileFormat(
cl::desc("Force input file format:"),
cl::values(clEnumValN(FileFormat::TBE, "tbe",
"Read `input` as text-based ELF stub"),
clEnumValN(FileFormat::ELF, "elf",
"Read `input` as ELF binary")));
cl::opt<std::string> InputFilePath(cl::Positional, cl::desc("input"),
cl::Required);
cl::opt<std::string>
EmitTBE("emit-tbe",
cl::desc("Emit a text-based ELF stub (.tbe) from the input file"),
cl::value_desc("path"));
cl::opt<FileFormat> InputFormat(
"input-format", cl::desc("Specify the input file format"),
cl::values(clEnumValN(FileFormat::TBE, "TBE", "Text based ELF stub file"),
clEnumValN(FileFormat::ELF, "ELF", "ELF object file")));
cl::opt<FileFormat> OutputFormat(
"output-format", cl::desc("Specify the output file format"),
cl::values(clEnumValN(FileFormat::TBE, "TBE", "Text based ELF stub file"),
clEnumValN(FileFormat::ELF, "ELF", "ELF stub file")),
cl::Required);
cl::opt<std::string> OptArch("arch",
cl::desc("Specify the architecture, e.g. x86_64"));
cl::opt<ELFBitWidthType> OptBitWidth(
"bitwidth", cl::desc("Specify the bit width"),
cl::values(clEnumValN(ELFBitWidthType::ELF32, "32", "32 bits"),
clEnumValN(ELFBitWidthType::ELF64, "64", "64 bits")));
cl::opt<ELFEndiannessType> OptEndianness(
"endianness", cl::desc("Specify the endianness"),
cl::values(clEnumValN(ELFEndiannessType::Little, "little", "Little Endian"),
clEnumValN(ELFEndiannessType::Big, "big", "Big Endian")));
cl::opt<std::string> OptTargetTriple(
"target", cl::desc("Specify the target triple, e.g. x86_64-linux-gnu"));
cl::opt<std::string> OptTargetTripleHint(
"hint-ifs-target",
cl::desc("When --output-format is 'TBE', this flag will hint the expected "
"target triple for IFS output"));
cl::opt<bool> StripIFSArch(
"strip-ifs-arch",
cl::desc("Strip target architecture information away from IFS output"));
cl::opt<bool> StripIFSBitWidth(
"strip-ifs-bitwidth",
cl::desc("Strip target bit width information away from IFS output"));
cl::opt<bool> StripIFSEndiannessWidth(
"strip-ifs-endianness",
cl::desc("Strip target endianness information away from IFS output"));
cl::opt<bool> StripIFSTarget(
"strip-ifs-target",
cl::desc("Strip all target information away from IFS output"));
cl::opt<std::string>
SOName("soname",
cl::desc("Manually set the DT_SONAME entry of any emitted files"),
cl::value_desc("name"));
cl::opt<ELFTarget> BinaryOutputTarget(
"output-target", cl::desc("Create a binary stub for the specified target"),
cl::values(clEnumValN(ELFTarget::ELF32LE, "elf32-little",
"32-bit little-endian ELF stub"),
clEnumValN(ELFTarget::ELF32BE, "elf32-big",
"32-bit big-endian ELF stub"),
clEnumValN(ELFTarget::ELF64LE, "elf64-little",
"64-bit little-endian ELF stub"),
clEnumValN(ELFTarget::ELF64BE, "elf64-big",
"64-bit big-endian ELF stub")));
cl::opt<std::string> BinaryOutputFilePath(cl::Positional, cl::desc("output"));
cl::opt<std::string> OutputFilePath("output", cl::desc("Output file"));
cl::opt<bool> WriteIfChanged(
"write-if-changed",
cl::desc("Write the output file only if it is new or has changed."));
@ -106,8 +123,7 @@ static Expected<std::unique_ptr<ELFStub>> readInputFile(StringRef FilePath) {
ErrorCollector EC(/*UseFatalErrors=*/false);
// First try to read as a binary (fails fast if not binary).
if (InputFileFormat.getNumOccurrences() == 0 ||
InputFileFormat == FileFormat::ELF) {
if (InputFormat.getNumOccurrences() == 0 || InputFormat == FileFormat::ELF) {
Expected<std::unique_ptr<ELFStub>> StubFromELF =
readELFFile(FileReadBuffer->getMemBufferRef());
if (StubFromELF) {
@ -117,8 +133,7 @@ static Expected<std::unique_ptr<ELFStub>> readInputFile(StringRef FilePath) {
}
// Fall back to reading as a tbe.
if (InputFileFormat.getNumOccurrences() == 0 ||
InputFileFormat == FileFormat::TBE) {
if (InputFormat.getNumOccurrences() == 0 || InputFormat == FileFormat::TBE) {
Expected<std::unique_ptr<ELFStub>> StubFromTBE =
readTBEFromBuffer(FileReadBuffer->getBuffer());
if (StubFromTBE) {
@ -145,7 +160,6 @@ static void fatalError(Error Err) {
int main(int argc, char *argv[]) {
// Parse arguments.
cl::ParseCommandLineOptions(argc, argv);
Expected<std::unique_ptr<ELFStub>> StubOrErr = readInputFile(InputFilePath);
if (!StubOrErr)
fatalError(StubOrErr.takeError());
@ -155,22 +169,65 @@ int main(int argc, char *argv[]) {
// Change SoName before emitting stubs.
if (SOName.getNumOccurrences() == 1)
TargetStub->SoName = SOName;
if (EmitTBE.getNumOccurrences() == 1) {
Optional<ELFArch> OverrideArch;
Optional<ELFEndiannessType> OverrideEndianness;
Optional<ELFBitWidthType> OverrideBitWidth;
Optional<std::string> OverrideTriple;
if (OptArch.getNumOccurrences() == 1) {
OverrideArch = ELF::convertArchNameToEMachine(OptArch.getValue());
}
if (OptEndianness.getNumOccurrences() == 1)
OverrideEndianness = OptEndianness.getValue();
if (OptBitWidth.getNumOccurrences() == 1)
OverrideBitWidth = OptBitWidth.getValue();
if (OptTargetTriple.getNumOccurrences() == 1)
OverrideTriple = OptTargetTriple.getValue();
Error OverrideError =
overrideTBETarget(*TargetStub, OverrideArch, OverrideEndianness,
OverrideBitWidth, OverrideTriple);
if (OverrideError)
fatalError(std::move(OverrideError));
switch (OutputFormat.getValue()) {
case FileFormat::TBE: {
TargetStub->TbeVersion = TBEVersionCurrent;
Error TBEWriteError = writeTBE(EmitTBE, *TargetStub);
if (InputFormat.getValue() == FileFormat::ELF &&
OptTargetTripleHint.getNumOccurrences() == 1) {
std::error_code HintEC(1, std::generic_category());
IFSTarget HintTarget = parseTriple(OptTargetTripleHint);
if (TargetStub->Target.Arch.getValue() != HintTarget.Arch.getValue()) {
fatalError(make_error<StringError>(
"Triple hint does not match the actual architecture", HintEC));
}
if (TargetStub->Target.Endianness.getValue() !=
HintTarget.Endianness.getValue()) {
fatalError(make_error<StringError>(
"Triple hint does not match the actual endianness", HintEC));
}
if (TargetStub->Target.BitWidth.getValue() !=
HintTarget.BitWidth.getValue()) {
fatalError(make_error<StringError>(
"Triple hint does not match the actual bit width", HintEC));
}
stripTBETarget(*TargetStub, true, false, false, false);
TargetStub->Target.Triple = OptTargetTripleHint.getValue();
} else {
stripTBETarget(*TargetStub, StripIFSTarget, StripIFSArch,
StripIFSEndiannessWidth, StripIFSBitWidth);
}
Error TBEWriteError = writeTBE(OutputFilePath.getValue(), *TargetStub);
if (TBEWriteError)
fatalError(std::move(TBEWriteError));
break;
}
// Write out binary ELF stub.
if (BinaryOutputFilePath.getNumOccurrences() == 1) {
if (BinaryOutputTarget.getNumOccurrences() == 0)
fatalError(createStringError(errc::not_supported,
"no binary output target specified."));
Error BinaryWriteError = writeBinaryStub(
BinaryOutputFilePath, *TargetStub, BinaryOutputTarget, WriteIfChanged);
case FileFormat::ELF: {
Error TargetError = validateTBETarget(*TargetStub, true);
if (TargetError)
fatalError(std::move(TargetError));
Error BinaryWriteError =
writeBinaryStub(OutputFilePath, *TargetStub, WriteIfChanged);
if (BinaryWriteError)
fatalError(std::move(BinaryWriteError));
break;
}
}
}

2
tools/llvm-ifs/CMakeLists.txt
View File

@ -1,5 +1,5 @@
set(LLVM_LINK_COMPONENTS
InterfaceStub
InterfaceStub
Object
Support
TextAPI

31
tools/llvm-ifs/llvm-ifs.cpp
View File

@ -10,6 +10,8 @@
#include "llvm/ADT/StringSwitch.h"
#include "llvm/ADT/Triple.h"
#include "llvm/InterfaceStub/ELFObjHandler.h"
#include "llvm/InterfaceStub/ELFStub.h"
#include "llvm/InterfaceStub/TBEHandler.h"
#include "llvm/ObjectYAML/yaml2obj.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
@ -348,23 +350,10 @@ static int writeElfStub(const Triple &T, const std::vector<IFSSymbol> &Symbols,
return convertYAML(YIn, Out, ErrHandler) ? 0 : 1;
}
static elfabi::ELFTarget convertIFSStub(const IFSStub &IfsStub,
elfabi::ELFStub &ElfStub) {
static Error convertIFSStub(const IFSStub &IfsStub, elfabi::ELFStub &ElfStub) {
ElfStub.TbeVersion = IfsStub.IfsVersion;
ElfStub.SoName = IfsStub.SOName;
// TODO: Support more archs and targets.
Triple IFSTriple(IfsStub.Triple);
elfabi::ELFTarget Target = elfabi::ELFTarget::ELF64LE;
switch (IFSTriple.getArch()) {
case Triple::ArchType::aarch64:
ElfStub.Arch = (elfabi::ELFArch)ELF::EM_AARCH64;
break;
case Triple::ArchType::x86_64:
ElfStub.Arch = (elfabi::ELFArch)ELF::EM_X86_64;
break;
default:
ElfStub.Arch = (elfabi::ELFArch)ELF::EM_NONE;
}
ElfStub.Target.Triple = IfsStub.Triple;
ElfStub.NeededLibs = IfsStub.NeededLibs;
for (const IFSSymbol &IfsSymbol : IfsStub.Symbols) {
elfabi::ELFSymbol ElfSymbol(IfsSymbol.Name);
@ -387,9 +376,9 @@ static elfabi::ELFTarget convertIFSStub(const IFSStub &IfsStub,
ElfSymbol.Undefined = false;
ElfSymbol.Weak = IfsSymbol.Weak;
ElfSymbol.Warning = IfsSymbol.Warning;
ElfStub.Symbols.insert(ElfSymbol);
ElfStub.Symbols.push_back(ElfSymbol);
}
return Target;
return llvm::elfabi::validateTBETarget(ElfStub, true);
}
static int writeIfso(const IFSStub &Stub, bool IsWriteIfs) {
@ -400,9 +389,11 @@ static int writeIfso(const IFSStub &Stub, bool IsWriteIfs) {
// format is ELF.
if (UseInterfaceStub && (!IsWriteIfs) && ObjectFileFormat != "TBD") {
elfabi::ELFStub ElfStub;
elfabi::ELFTarget Target = convertIFSStub(Stub, ElfStub);
Error BinaryWriteError =
elfabi::writeBinaryStub(OutputFilename, ElfStub, Target);
Error ConvertError = convertIFSStub(Stub, ElfStub);
if (ConvertError) {
return -1;
}
Error BinaryWriteError = elfabi::writeBinaryStub(OutputFilename, ElfStub);
if (BinaryWriteError) {
return -1;
}

105
unittests/InterfaceStub/ELFYAMLTest.cpp
View File

@ -34,19 +34,21 @@ void compareByLine(StringRef LHS, StringRef RHS) {
}
TEST(ElfYamlTextAPI, YAMLReadableTBE) {
const char Data[] = "--- !tapi-tbe\n"
const char Data[] = "--- !ifs-v1\n"
"TbeVersion: 1.0\n"
"Arch: x86_64\n"
"Target: { ObjectFormat: ELF, Arch: x86_64, Endianness: "
"little, BitWidth: 64 }\n"
"NeededLibs: [libc.so, libfoo.so, libbar.so]\n"
"Symbols:\n"
" foo: { Type: Func, Undefined: true }\n"
" - { Name: foo, Type: Func, Undefined: true }\n"
"...\n";
Expected<std::unique_ptr<ELFStub>> StubOrErr = readTBEFromBuffer(Data);
ASSERT_THAT_ERROR(StubOrErr.takeError(), Succeeded());
std::unique_ptr<ELFStub> Stub = std::move(StubOrErr.get());
EXPECT_NE(Stub.get(), nullptr);
EXPECT_FALSE(Stub->SoName.hasValue());
EXPECT_EQ(Stub->Arch, (uint16_t)llvm::ELF::EM_X86_64);
EXPECT_TRUE(Stub->Target.Arch.hasValue());
EXPECT_EQ(Stub->Target.Arch.getValue(), (uint16_t)llvm::ELF::EM_X86_64);
EXPECT_EQ(Stub->NeededLibs.size(), 3u);
EXPECT_STREQ(Stub->NeededLibs[0].c_str(), "libc.so");
EXPECT_STREQ(Stub->NeededLibs[1].c_str(), "libfoo.so");
@ -54,18 +56,20 @@ TEST(ElfYamlTextAPI, YAMLReadableTBE) {
}
TEST(ElfYamlTextAPI, YAMLReadsTBESymbols) {
const char Data[] = "--- !tapi-tbe\n"
"TbeVersion: 1.0\n"
"SoName: test.so\n"
"Arch: x86_64\n"
"Symbols:\n"
" bar: { Type: Object, Size: 42 }\n"
" baz: { Type: TLS, Size: 3 }\n"
" foo: { Type: Func, Warning: \"Deprecated!\" }\n"
" nor: { Type: NoType, Undefined: true }\n"
" not: { Type: File, Undefined: true, Size: 111, "
"Weak: true, Warning: \'All fields populated!\' }\n"
"...\n";
const char Data[] =
"--- !ifs-v1\n"
"TbeVersion: 1.0\n"
"SoName: test.so\n"
"Target: { ObjectFormat: ELF, Arch: x86_64, Endianness: little, "
"BitWidth: 64 }\n"
"Symbols:\n"
" - { Name: bar, Type: Object, Size: 42 }\n"
" - { Name: baz, Type: TLS, Size: 3 }\n"
" - { Name: foo, Type: Func, Warning: \"Deprecated!\" }\n"
" - { Name: nor, Type: NoType, Undefined: true }\n"
" - { Name: not, Type: File, Undefined: true, Size: 111, "
"Weak: true, Warning: \'All fields populated!\' }\n"
"...\n";
Expected<std::unique_ptr<ELFStub>> StubOrErr = readTBEFromBuffer(Data);
ASSERT_THAT_ERROR(StubOrErr.takeError(), Succeeded());
std::unique_ptr<ELFStub> Stub = std::move(StubOrErr.get());
@ -119,11 +123,12 @@ TEST(ElfYamlTextAPI, YAMLReadsTBESymbols) {
}
TEST(ElfYamlTextAPI, YAMLReadsNoTBESyms) {
const char Data[] = "--- !tapi-tbe\n"
const char Data[] = "--- !ifs-v1\n"
"TbeVersion: 1.0\n"
"SoName: test.so\n"
"Arch: x86_64\n"
"Symbols: {}\n"
"Target: { ObjectFormat: ELF, Arch: x86_64, Endianness: "
"little, BitWidth: 64 }\n"
"Symbols: []\n"
"...\n";
Expected<std::unique_ptr<ELFStub>> StubOrErr = readTBEFromBuffer(Data);
ASSERT_THAT_ERROR(StubOrErr.takeError(), Succeeded());
@ -137,7 +142,8 @@ TEST(ElfYamlTextAPI, YAMLUnreadableTBE) {
const char Data[] = "--- !tapi-tbz\n"
"TbeVersion: z.3\n"
"SoName: test.so\n"
"Arch: x86_64\n"
"Target: { ObjectFormat: ELF, Arch: x86_64, Endianness: "
"little, BitWidth: 64 }\n"
"Symbols:\n"
" foo: { Type: Func, Undefined: true }\n";
Expected<std::unique_ptr<ELFStub>> StubOrErr = readTBEFromBuffer(Data);
@ -145,11 +151,12 @@ TEST(ElfYamlTextAPI, YAMLUnreadableTBE) {
}
TEST(ElfYamlTextAPI, YAMLUnsupportedVersion) {
const char Data[] = "--- !tapi-tbe\n"
const char Data[] = "--- !ifs-v1\n"
"TbeVersion: 9.9.9\n"
"SoName: test.so\n"
"Arch: x86_64\n"
"Symbols: {}\n"
"Target: { ObjectFormat: ELF, Arch: x86_64, Endianness: "
"little, BitWidth: 64 }\n"
"Symbols: []\n"
"...\n";
Expected<std::unique_ptr<ELFStub>> StubOrErr = readTBEFromBuffer(Data);
std::string ErrorMessage = toString(StubOrErr.takeError());
@ -158,18 +165,28 @@ TEST(ElfYamlTextAPI, YAMLUnsupportedVersion) {
TEST(ElfYamlTextAPI, YAMLWritesTBESymbols) {
const char Expected[] =
"--- !tapi-tbe\n"
"--- !ifs-v1\n"
"TbeVersion: 1.0\n"
"Arch: AArch64\n"
"Target: { ObjectFormat: ELF, Arch: AArch64, Endianness: "
"little, BitWidth: 64 }\n"
"Symbols:\n"
" bar: { Type: Func, Weak: true }\n"
" foo: { Type: NoType, Size: 99, Warning: Does nothing }\n"
" nor: { Type: Func, Undefined: true }\n"
" not: { Type: Unknown, Size: 12345678901234 }\n"
" - { Name: bar, Type: Func, Weak: true }\n"
" - { Name: foo, Type: NoType, Size: 99, Warning: Does nothing }\n"
" - { Name: nor, Type: Func, Undefined: true }\n"
" - { Name: not, Type: Unknown, Size: 12345678901234 }\n"
"...\n";
ELFStub Stub;
Stub.TbeVersion = VersionTuple(1, 0);
Stub.Arch = ELF::EM_AARCH64;
Stub.Target.Arch = ELF::EM_AARCH64;
Stub.Target.BitWidth = ELFBitWidthType::ELF64;
Stub.Target.Endianness = ELFEndiannessType::Little;
Stub.Target.ObjectFormat = "ELF";
ELFSymbol SymBar("bar");
SymBar.Size = 128u;
SymBar.Type = ELFSymbolType::Func;
SymBar.Undefined = false;
SymBar.Weak = true;
ELFSymbol SymFoo("foo");
SymFoo.Size = 99u;
@ -178,12 +195,6 @@ TEST(ElfYamlTextAPI, YAMLWritesTBESymbols) {
SymFoo.Weak = false;
SymFoo.Warning = "Does nothing";
ELFSymbol SymBar("bar");
SymBar.Size = 128u;
SymBar.Type = ELFSymbolType::Func;
SymBar.Undefined = false;
SymBar.Weak = true;
ELFSymbol SymNor("nor");
SymNor.Size = 1234u;
SymNor.Type = ELFSymbolType::Func;
@ -196,11 +207,11 @@ TEST(ElfYamlTextAPI, YAMLWritesTBESymbols) {
SymNot.Undefined = false;
SymNot.Weak = false;
// Deliberately not in order to check that result is sorted.
Stub.Symbols.insert(SymNot);
Stub.Symbols.insert(SymBar);
Stub.Symbols.insert(SymFoo);
Stub.Symbols.insert(SymNor);
// Symbol order is preserved instead of being sorted.
Stub.Symbols.push_back(SymBar);
Stub.Symbols.push_back(SymFoo);
Stub.Symbols.push_back(SymNor);
Stub.Symbols.push_back(SymNot);
// Ensure move constructor works as expected.
ELFStub Moved = std::move(Stub);
@ -213,20 +224,24 @@ TEST(ElfYamlTextAPI, YAMLWritesTBESymbols) {
}
TEST(ElfYamlTextAPI, YAMLWritesNoTBESyms) {
const char Expected[] = "--- !tapi-tbe\n"
const char Expected[] = "--- !ifs-v1\n"
"TbeVersion: 1.0\n"
"SoName: nosyms.so\n"
"Arch: x86_64\n"
"Target: { ObjectFormat: ELF, Arch: x86_64, "
"Endianness: little, BitWidth: 64 }\n"
"NeededLibs:\n"
" - libc.so\n"
" - libfoo.so\n"
" - libbar.so\n"
"Symbols: {}\n"
"Symbols: []\n"
"...\n";
ELFStub Stub;
Stub.TbeVersion = VersionTuple(1, 0);
Stub.SoName = "nosyms.so";
Stub.Arch = ELF::EM_X86_64;
Stub.Target.Arch = ELF::EM_X86_64;
Stub.Target.BitWidth = ELFBitWidthType::ELF64;
Stub.Target.Endianness = ELFEndiannessType::Little;
Stub.Target.ObjectFormat = "ELF";
Stub.NeededLibs.push_back("libc.so");
Stub.NeededLibs.push_back("libfoo.so");
Stub.NeededLibs.push_back("libbar.so");