[yaml2obj] Initial ELF support.

Currently, only emitting the ELF header is supported (no sections or
segments).

The ELFYAML code organization is broadly similar to the COFFYAML code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183711 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 229 insertions, 0 deletions

diff --git a/lib/Object/CMakeLists.txt b/lib/Object/CMakeLists.txt
index e24f78a..cec0e28 100644
--- a/lib/Object/CMakeLists.txt
+++ b/lib/Object/CMakeLists.txt
@@ -4,6 +4,7 @@ add_llvm_library(LLVMObject
   COFFObjectFile.cpp
   COFFYAML.cpp
   ELFObjectFile.cpp
+  ELFYAML.cpp
   Error.cpp
   MachOObjectFile.cpp
   Object.cpp
diff --git a/lib/Object/ELFYAML.cpp b/lib/Object/ELFYAML.cpp
new file mode 100644
index 0000000..c4f3fc1
--- /dev/null
+++ b/lib/Object/ELFYAML.cpp
@@ -0,0 +1,228 @@
+//===- ELFYAML.cpp - ELF YAMLIO implementation ----------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines classes for handling the YAML representation of ELF.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Object/ELFYAML.h"
+
+namespace llvm {
+namespace yaml {
+
+void
+ScalarEnumerationTraits<ELFYAML::ELF_ET>::enumeration(IO &IO,
+                                                      ELFYAML::ELF_ET &Value) {
+#define ECase(X) IO.enumCase(Value, #X, ELF::X);
+  ECase(ET_NONE)
+  ECase(ET_REL)
+  ECase(ET_EXEC)
+  ECase(ET_DYN)
+  ECase(ET_CORE)
+#undef ECase
+}
+
+void
+ScalarEnumerationTraits<ELFYAML::ELF_EM>::enumeration(IO &IO,
+                                                      ELFYAML::ELF_EM &Value) {
+#define ECase(X) IO.enumCase(Value, #X, ELF::X);
+  ECase(EM_NONE)
+  ECase(EM_M32)
+  ECase(EM_SPARC)
+  ECase(EM_386)
+  ECase(EM_68K)
+  ECase(EM_88K)
+  ECase(EM_486)
+  ECase(EM_860)
+  ECase(EM_MIPS)
+  ECase(EM_S370)
+  ECase(EM_MIPS_RS3_LE)
+  ECase(EM_PARISC)
+  ECase(EM_VPP500)
+  ECase(EM_SPARC32PLUS)
+  ECase(EM_960)
+  ECase(EM_PPC)
+  ECase(EM_PPC64)
+  ECase(EM_S390)
+  ECase(EM_SPU)
+  ECase(EM_V800)
+  ECase(EM_FR20)
+  ECase(EM_RH32)
+  ECase(EM_RCE)
+  ECase(EM_ARM)
+  ECase(EM_ALPHA)
+  ECase(EM_SH)
+  ECase(EM_SPARCV9)
+  ECase(EM_TRICORE)
+  ECase(EM_ARC)
+  ECase(EM_H8_300)
+  ECase(EM_H8_300H)
+  ECase(EM_H8S)
+  ECase(EM_H8_500)
+  ECase(EM_IA_64)
+  ECase(EM_MIPS_X)
+  ECase(EM_COLDFIRE)
+  ECase(EM_68HC12)
+  ECase(EM_MMA)
+  ECase(EM_PCP)
+  ECase(EM_NCPU)
+  ECase(EM_NDR1)
+  ECase(EM_STARCORE)
+  ECase(EM_ME16)
+  ECase(EM_ST100)
+  ECase(EM_TINYJ)
+  ECase(EM_X86_64)
+  ECase(EM_PDSP)
+  ECase(EM_PDP10)
+  ECase(EM_PDP11)
+  ECase(EM_FX66)
+  ECase(EM_ST9PLUS)
+  ECase(EM_ST7)
+  ECase(EM_68HC16)
+  ECase(EM_68HC11)
+  ECase(EM_68HC08)
+  ECase(EM_68HC05)
+  ECase(EM_SVX)
+  ECase(EM_ST19)
+  ECase(EM_VAX)
+  ECase(EM_CRIS)
+  ECase(EM_JAVELIN)
+  ECase(EM_FIREPATH)
+  ECase(EM_ZSP)
+  ECase(EM_MMIX)
+  ECase(EM_HUANY)
+  ECase(EM_PRISM)
+  ECase(EM_AVR)
+  ECase(EM_FR30)
+  ECase(EM_D10V)
+  ECase(EM_D30V)
+  ECase(EM_V850)
+  ECase(EM_M32R)
+  ECase(EM_MN10300)
+  ECase(EM_MN10200)
+  ECase(EM_PJ)
+  ECase(EM_OPENRISC)
+  ECase(EM_ARC_COMPACT)
+  ECase(EM_XTENSA)
+  ECase(EM_VIDEOCORE)
+  ECase(EM_TMM_GPP)
+  ECase(EM_NS32K)
+  ECase(EM_TPC)
+  ECase(EM_SNP1K)
+  ECase(EM_ST200)
+  ECase(EM_IP2K)
+  ECase(EM_MAX)
+  ECase(EM_CR)
+  ECase(EM_F2MC16)
+  ECase(EM_MSP430)
+  ECase(EM_BLACKFIN)
+  ECase(EM_SE_C33)
+  ECase(EM_SEP)
+  ECase(EM_ARCA)
+  ECase(EM_UNICORE)
+  ECase(EM_EXCESS)
+  ECase(EM_DXP)
+  ECase(EM_ALTERA_NIOS2)
+  ECase(EM_CRX)
+  ECase(EM_XGATE)
+  ECase(EM_C166)
+  ECase(EM_M16C)
+  ECase(EM_DSPIC30F)
+  ECase(EM_CE)
+  ECase(EM_M32C)
+  ECase(EM_TSK3000)
+  ECase(EM_RS08)
+  ECase(EM_SHARC)
+  ECase(EM_ECOG2)
+  ECase(EM_SCORE7)
+  ECase(EM_DSP24)
+  ECase(EM_VIDEOCORE3)
+  ECase(EM_LATTICEMICO32)
+  ECase(EM_SE_C17)
+  ECase(EM_TI_C6000)
+  ECase(EM_TI_C2000)
+  ECase(EM_TI_C5500)
+  ECase(EM_MMDSP_PLUS)
+  ECase(EM_CYPRESS_M8C)
+  ECase(EM_R32C)
+  ECase(EM_TRIMEDIA)
+  ECase(EM_HEXAGON)
+  ECase(EM_8051)
+  ECase(EM_STXP7X)
+  ECase(EM_NDS32)
+  ECase(EM_ECOG1)
+  ECase(EM_ECOG1X)
+  ECase(EM_MAXQ30)
+  ECase(EM_XIMO16)
+  ECase(EM_MANIK)
+  ECase(EM_CRAYNV2)
+  ECase(EM_RX)
+  ECase(EM_METAG)
+  ECase(EM_MCST_ELBRUS)
+  ECase(EM_ECOG16)
+  ECase(EM_CR16)
+  ECase(EM_ETPU)
+  ECase(EM_SLE9X)
+  ECase(EM_L10M)
+  ECase(EM_K10M)
+  ECase(EM_AARCH64)
+  ECase(EM_AVR32)
+  ECase(EM_STM8)
+  ECase(EM_TILE64)
+  ECase(EM_TILEPRO)
+  ECase(EM_MICROBLAZE)
+  ECase(EM_CUDA)
+  ECase(EM_TILEGX)
+  ECase(EM_CLOUDSHIELD)
+  ECase(EM_COREA_1ST)
+  ECase(EM_COREA_2ND)
+  ECase(EM_ARC_COMPACT2)
+  ECase(EM_OPEN8)
+  ECase(EM_RL78)
+  ECase(EM_VIDEOCORE5)
+  ECase(EM_78KOR)
+  ECase(EM_56800EX)
+  ECase(EM_MBLAZE)
+#undef ECase
+}
+
+void ScalarEnumerationTraits<ELFYAML::ELF_ELFCLASS>::enumeration(
+    IO &IO, ELFYAML::ELF_ELFCLASS &Value) {
+#define ECase(X) IO.enumCase(Value, #X, ELF::X);
+  // Since the semantics of ELFCLASSNONE is "invalid", just don't accept it
+  // here.
+  ECase(ELFCLASS32)
+  ECase(ELFCLASS64)
+#undef ECase
+}
+
+void ScalarEnumerationTraits<ELFYAML::ELF_ELFDATA>::enumeration(
+    IO &IO, ELFYAML::ELF_ELFDATA &Value) {
+#define ECase(X) IO.enumCase(Value, #X, ELF::X);
+  // Since the semantics of ELFDATANONE is "invalid", just don't accept it
+  // here.
+  ECase(ELFDATA2LSB)
+  ECase(ELFDATA2MSB)
+#undef ECase
+}
+
+void MappingTraits<ELFYAML::Header>::mapping(IO &IO, ELFYAML::Header &Header) {
+  IO.mapRequired("Class", Header.Class);
+  IO.mapRequired("Data", Header.Data);
+  IO.mapRequired("Type", Header.Type);
+  IO.mapRequired("Machine", Header.Machine);
+  IO.mapOptional("Entry", Header.Entry, Hex64(0));
+}
+
+void MappingTraits<ELFYAML::Object>::mapping(IO &IO, ELFYAML::Object &Object) {
+  IO.mapRequired("Header", Object.Header);
+}
+
+} // end namespace yaml
+} // end namespace llvm