[llvm] r207744 - [llvm-readobj] Add support for Mips specific ELF header e_flags.

[Simon Atanasyan]

Author: atanasyan
Date: Thu May  1 06:07:19 2014
New Revision: 207744

URL: http://llvm.org/viewvc/llvm-project?rev=207744&view=rev
Log:
[llvm-readobj] Add support for Mips specific ELF header e_flags.

Modified:
    llvm/trunk/test/Object/yaml2obj-elf-file-headers-with-e_flags.yaml
    llvm/trunk/tools/llvm-readobj/ELFDumper.cpp

Modified: llvm/trunk/test/Object/yaml2obj-elf-file-headers-with-e_flags.yaml
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Object/yaml2obj-elf-file-headers-with-e_flags.yaml?rev=207744&r1=207743&r2=207744&view=diff
==============================================================================
--- llvm/trunk/test/Object/yaml2obj-elf-file-headers-with-e_flags.yaml (original)
+++ llvm/trunk/test/Object/yaml2obj-elf-file-headers-with-e_flags.yaml Thu May  1 06:07:19 2014
@@ -5,12 +5,13 @@ FileHeader:
   Data: ELFDATA2LSB
   Type: ET_REL
   Machine: EM_MIPS
-  Flags: [ EF_MIPS_NOREORDER, EF_MIPS_ABI_O32 ]
+  Flags: [ EF_MIPS_NOREORDER, EF_MIPS_ABI_O32, EF_MIPS_ARCH_32R2 ]
 
 # CHECK: Format: ELF32-mips
 # CHECK: Arch: mipsel
 # CHECK: Machine: EM_MIPS
-# CHECK: Flags [ (0x1001)
-# CHECK-NEXT: 0x1
-# CHECK-NEXT: 0x1000
+# CHECK: Flags [ (0x70001001)
+# CHECK-NEXT: EF_MIPS_ABI_O32 (0x1000)
+# CHECK-NEXT: EF_MIPS_ARCH_32R2 (0x70000000)
+# CHECK-NEXT: EF_MIPS_NOREORDER (0x1)
 # CHECK-NEXT: ]

Modified: llvm/trunk/tools/llvm-readobj/ELFDumper.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-readobj/ELFDumper.cpp?rev=207744&r1=207743&r2=207744&view=diff
==============================================================================
--- llvm/trunk/tools/llvm-readobj/ELFDumper.cpp (original)
+++ llvm/trunk/tools/llvm-readobj/ELFDumper.cpp Thu May  1 06:07:19 2014
@@ -437,6 +437,27 @@ static const EnumEntry<unsigned> ElfSegm
   LLVM_READOBJ_ENUM_ENT(ELF, PF_R)
 };
 
+static const EnumEntry<unsigned> ElfHeaderMipsFlags[] = {
+  LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_NOREORDER),
+  LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_PIC),
+  LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_CPIC),
+  LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI2),
+  LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_32BITMODE),
+  LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_NAN2008),
+  LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_O32),
+  LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MICROMIPS),
+  LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_ASE_M16),
+  LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_1),
+  LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_2),
+  LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_3),
+  LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_4),
+  LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_5),
+  LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_32),
+  LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_64),
+  LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_32R2),
+  LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_64R2)
+};
+
 template<class ELFT>
 void ELFDumper<ELFT>::printFileHeaders() {
   const typename ELFO::Elf_Ehdr *Header = Obj->getHeader();
@@ -464,7 +485,14 @@ void ELFDumper<ELFT>::printFileHeaders()
     W.printHex   ("Entry", Header->e_entry);
     W.printHex   ("ProgramHeaderOffset", Header->e_phoff);
     W.printHex   ("SectionHeaderOffset", Header->e_shoff);
-    W.printFlags ("Flags", Header->e_flags);
+    switch (Header->e_machine) {
+    case EM_MIPS:
+      W.printFlags("Flags", Header->e_flags, makeArrayRef(ElfHeaderMipsFlags),
+                   unsigned(ELF::EF_MIPS_ARCH));
+      break;
+    default:
+      W.printFlags("Flags", Header->e_flags);
+    }
     W.printNumber("HeaderSize", Header->e_ehsize);
     W.printNumber("ProgramHeaderEntrySize", Header->e_phentsize);
     W.printNumber("ProgramHeaderCount", Header->e_phnum);