llvm-readobj: Print AMDGPU note type names

Differential Revision: https://reviews.llvm.org/D38751


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@315813 91177308-0d34-0410-b5e6-96231b3b80d8

Author: kzhuravl

test/CodeGen/AMDGPU/elf-notes.ll

@@ -24,6 +24,10 @@
 ; OSABI-PAL-NOT: .amd_amdgpu_hsa_metadata
 ; OSABI-PAL: .amd_amdgpu_pal_metadata
 
+; RUN: llc -mtriple=amdgcn-amd-unknown -mcpu=gfx800 -mattr=+code-object-v3 -filetype=obj < %s | llvm-readobj -elf-output-style=GNU -notes  | FileCheck --check-prefix=GCN --check-prefix=OSABI-UNK-ELF --check-prefix=GFX800 %s
+; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx800 -mattr=+code-object-v3 -filetype=obj < %s | llvm-readobj -elf-output-style=GNU -notes  | FileCheck --check-prefix=GCN --check-prefix=OSABI-HSA-ELF --check-prefix=GFX800 %s
+; RUN: llc -mtriple=amdgcn-amd-amdpal -mcpu=gfx800 -mattr=+code-object-v3 -filetype=obj < %s | llvm-readobj -elf-output-style=GNU -notes  | FileCheck --check-prefix=GCN --check-prefix=OSABI-PAL-ELF --check-prefix=GFX800 %s
+
 ; R600-NOT: .hsa_code_object_version
 ; R600-NOT: .hsa_code_object_isa
 ; R600-NOT: .amd_amdgpu_isa
@@ -33,3 +37,27 @@
 define amdgpu_kernel void @elf_notes() {
   ret void
 }
+
+; OSABI-UNK-ELF-NOT: Unknown note type
+; OSABI-UNK-ELF: NT_AMD_AMDGPU_ISA (ISA Version)
+; OSABI-UNK-ELF-NOT: Unknown note type
+; OSABI-UNK-ELF-NOT: NT_AMD_AMDGPU_HSA_METADATA (HSA Metadata)
+; OSABI-UNK-ELF-NOT: Unknown note type
+; OSABI-UNK-ELF-NOT: NT_AMD_AMDGPU_PAL_METADATA (PAL Metadata)
+; OSABI-UNK-ELF-NOT: Unknown note type
+
+; OSABI-HSA-ELF-NOT: Unknown note type
+; OSABI-HSA-ELF: NT_AMD_AMDGPU_ISA (ISA Version)
+; OSABI-HSA-ELF-NOT: Unknown note type
+; OSABI-HSA-ELF: NT_AMD_AMDGPU_HSA_METADATA (HSA Metadata)
+; OSABI-HSA-ELF-NOT: Unknown note type
+; OSABI-HSA-ELF-NOT: NT_AMD_AMDGPU_PAL_METADATA (PAL Metadata)
+; OSABI-HSA-ELF-NOT: Unknown note type
+
+; OSABI-PAL-ELF-NOT: Unknown note type
+; OSABI-PAL-ELF: NT_AMD_AMDGPU_ISA (ISA Version)
+; OSABI-PAL-ELF-NOT: Unknown note type
+; OSABI-PAL-ELF-NOT: NT_AMD_AMDGPU_HSA_METADATA (HSA Metadata)
+; OSABI-PAL-ELF-NOT: Unknown note type
+; OSABI-PAL-ELF: NT_AMD_AMDGPU_PAL_METADATA (PAL Metadata)
+; OSABI-PAL-ELF-NOT: Unknown note type

test/CodeGen/AMDGPU/hsa-metadata-from-llvm-ir-full.ll

@@ -1293,11 +1293,11 @@ attributes #0 = { "runtime-handle"="__test_block_invoke_kernel_runtime_handle" }
 !110 = !{!"__block_literal"}
 
 ; NOTES: Displaying notes found at file offset 0x{{[0-9]+}}
-; NOTES-NEXT: Owner    Data size    Description
-; NOTES-NEXT: AMD      0x00000008   Unknown note type: (0x00000001)
-; NOTES-NEXT: AMD      0x0000001b   Unknown note type: (0x00000003)
-; GFX700:     AMD      0x00008f64   Unknown note type: (0x0000000a)
-; GFX800:     AMD      0x000092e4   Unknown note type: (0x0000000a)
-; GFX900:     AMD      0x00008f64   Unknown note type: (0x0000000a)
+; NOTES:  Owner    Data size    Description
+; NOTES:  AMD      0x00000008   Unknown note type (0x00000001)
+; NOTES:  AMD      0x0000001b   Unknown note type (0x00000003)
+; GFX700: AMD      0x00008f64   NT_AMD_AMDGPU_HSA_METADATA (HSA Metadata)
+; GFX800: AMD      0x000092e4   NT_AMD_AMDGPU_HSA_METADATA (HSA Metadata)
+; GFX900: AMD      0x00008f64   NT_AMD_AMDGPU_HSA_METADATA (HSA Metadata)
 
 ; PARSER: AMDGPU HSA Metadata Parser Test: PASS

tools/llvm-readobj/ELFDumper.cpp

@@ -3393,7 +3393,7 @@ static std::string getGNUNoteTypeName(const uint32_t NT) {
   std::string string;
   raw_string_ostream OS(string);
   OS << format("Unknown note type (0x%08x)", NT);
-  return string;
+  return OS.str();
 }
 
 static std::string getFreeBSDNoteTypeName(const uint32_t NT) {
@@ -3421,7 +3421,30 @@ static std::string getFreeBSDNoteTypeName(const uint32_t NT) {
   std::string string;
   raw_string_ostream OS(string);
   OS << format("Unknown note type (0x%08x)", NT);
-  return string;
+  return OS.str();
+}
+
+static std::string getAMDGPUNoteTypeName(const uint32_t NT) {
+  static const struct {
+    uint32_t ID;
+    const char *Name;
+  } Notes[] = {
+    {ELF::NT_AMD_AMDGPU_HSA_METADATA,
+     "NT_AMD_AMDGPU_HSA_METADATA (HSA Metadata)"},
+    {ELF::NT_AMD_AMDGPU_ISA,
+     "NT_AMD_AMDGPU_ISA (ISA Version)"},
+    {ELF::NT_AMD_AMDGPU_PAL_METADATA,
+     "NT_AMD_AMDGPU_PAL_METADATA (PAL Metadata)"}
+  };
+
+  for (const auto &Note : Notes)
+    if (Note.ID == NT)
+      return std::string(Note.Name);
+
+  std::string string;
+  raw_string_ostream OS(string);
+  OS << format("Unknown note type (0x%08x)", NT);
+  return OS.str();
 }
 
 template <typename ELFT>
@@ -3504,6 +3527,8 @@ void GNUStyle<ELFT>::printNotes(const ELFFile<ELFT> *Obj) {
         printGNUNote<ELFT>(OS, Type, Descriptor, DescriptorSize);
       } else if (Name == "FreeBSD") {
         OS << getFreeBSDNoteTypeName(Type) << '\n';
+      } else if (Name == "AMD") {
+        OS << getAMDGPUNoteTypeName(Type) << '\n';
       } else {
         OS << "Unknown note type: (" << format_hex(Type, 10) << ')';
       }