Mark ELF sections whose name start with .note as note
Previously, such section would be marked as SHT_PROGBITS which
makes it impossible to use an initialized C variable declaration
to emit an (allocated) ELF note. The new behavior is also consistent
with ELF assembly parser.
Differential Revision: https://reviews.llvm.org/D24692
llvm-svn: 282010
diff --git a/llvm/test/CodeGen/X86/note-sections.ll b/llvm/test/CodeGen/X86/note-sections.ll
new file mode 100644
index 0000000..d8a3d93
--- /dev/null
+++ b/llvm/test/CodeGen/X86/note-sections.ll
@@ -0,0 +1,19 @@
+; RUN: llc -mtriple x86_64-pc-linux < %s | FileCheck %s
+
+%struct.note = type { %struct.Elf32_Nhdr, [7 x i8], %struct.payload }
+%struct.Elf32_Nhdr = type { i32, i32, i32 }
+%struct.payload = type { i16 }
+
+@foonote = internal constant %struct.note { %struct.Elf32_Nhdr { i32 7, i32 2, i32 17 }, [7 x i8] c"foobar\00", %struct.payload { i16 23 } }, section ".note.foo", align 4
+
+; CHECK: .section .note.foo,"a",@note
+; CHECK-NEXT: .p2align 2
+; CHECK-NEXT: foonote:
+; CHECK-NEXT: .long 7
+; CHECK-NEXT: .long 2
+; CHECK-NEXT: .long 17
+; CHECK-NEXT: .asciz "foobar"
+; CHECK-NEXT: .zero 1
+; CHECK-NEXT: .short 23
+; CHECK-NEXT: .zero 2
+; CHECK-NEXT: .size foonote, 24