[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.

llvm-svn: 183711

1 files changed, 32 insertions, 0 deletions

diff --git a/llvm/test/Object/yaml2obj-elf-basic.test b/llvm/test/Object/yaml2obj-elf-basic.test
new file mode 100644
index 00000000000..e97ad2013bf
--- /dev/null
+++ b/llvm/test/Object/yaml2obj-elf-basic.test
@@ -0,0 +1,32 @@
+RUN: yaml2obj -format=elf %p/Inputs/ELF/Header.yaml | llvm-readobj -file-headers - | FileCheck %s
+
+// CHECK:      File: <stdin>
+// CHECK-NEXT: Format: ELF64-x86-64
+// CHECK-NEXT: Arch: x86_64
+// CHECK-NEXT: AddressSize: 64bit
+// CHECK-NEXT: LoadName:
+// CHECK-NEXT: ElfHeader {
+// CHECK-NEXT:   Ident {
+// CHECK-NEXT:     Magic: (7F 45 4C 46)
+// CHECK-NEXT:     Class: 64-bit (0x2)
+// CHECK-NEXT:     DataEncoding: LittleEndian (0x1)
+// CHECK-NEXT:     FileVersion: 1
+// CHECK-NEXT:     OS/ABI: SystemV (0x0)
+// CHECK-NEXT:     ABIVersion: 0
+// CHECK-NEXT:     Unused: (00 00 00 00 00 00 00)
+// CHECK-NEXT:   }
+// CHECK-NEXT:   Type: Executable (0x2)
+// CHECK-NEXT:   Machine: EM_X86_64 (0x3E)
+// CHECK-NEXT:   Version: 1
+// CHECK-NEXT:   Entry: 0x400000
+// CHECK-NEXT:   ProgramHeaderOffset: 0x0
+// CHECK-NEXT:   SectionHeaderOffset: 0x0
+// CHECK-NEXT:   Flags [ (0x0)
+// CHECK-NEXT:   ]
+// CHECK-NEXT:   HeaderSize: 64
+// CHECK-NEXT:   ProgramHeaderEntrySize: 0
+// CHECK-NEXT:   ProgramHeaderCount: 0
+// CHECK-NEXT:   SectionHeaderEntrySize: 0
+// CHECK-NEXT:   SectionHeaderCount: 0
+// CHECK-NEXT:   StringTableSectionIndex: 0
+// CHECK-NEXT: }