[llvm] cb26c1c - Revert "Do not emit a named symbol to denote the start of the debug_frame section"

[Shubham Sandeep Rastogi via llvm-commits]

Author: Shubham Sandeep Rastogi
Date: 2023-06-26T11:53:18-07:00
New Revision: cb26c1c745e899c839cb05eacad03efa55c69996

URL: https://github.com/llvm/llvm-project/commit/cb26c1c745e899c839cb05eacad03efa55c69996
DIFF: https://github.com/llvm/llvm-project/commit/cb26c1c745e899c839cb05eacad03efa55c69996.diff

LOG: Revert "Do not emit a named symbol to denote the start of the debug_frame section"

This reverts commit d6576add99e5ebf936f836aa3ecdc85deb33687e.

Reverted because

BUILD FAILED: failed 41960 expected passes 86 expected failures 28788 unsupported tests 1 unexpected failures (failure)

Added: 
    

Modified: 
    llvm/lib/MC/MCObjectFileInfo.cpp

Removed: 
    llvm/test/DebugInfo/debug_frame_symbol.ll


################################################################################
diff  --git a/llvm/lib/MC/MCObjectFileInfo.cpp b/llvm/lib/MC/MCObjectFileInfo.cpp
index 9fceaa20ca68c..d3b9fa45d6aa2 100644
--- a/llvm/lib/MC/MCObjectFileInfo.cpp
+++ b/llvm/lib/MC/MCObjectFileInfo.cpp
@@ -249,7 +249,7 @@ void MCObjectFileInfo::initMachOMCObjectFileInfo(const Triple &T) {
                            SectionKind::getMetadata(), "section_line_str");
   DwarfFrameSection =
       Ctx->getMachOSection("__DWARF", "__debug_frame", MachO::S_ATTR_DEBUG,
-                           SectionKind::getMetadata(), "section_frame");
+                           SectionKind::getMetadata());
   DwarfPubNamesSection =
       Ctx->getMachOSection("__DWARF", "__debug_pubnames", MachO::S_ATTR_DEBUG,
                            SectionKind::getMetadata());

diff  --git a/llvm/test/DebugInfo/debug_frame_symbol.ll b/llvm/test/DebugInfo/debug_frame_symbol.ll
deleted file mode 100644
index dc8e50ca17820..0000000000000
--- a/llvm/test/DebugInfo/debug_frame_symbol.ll
+++ /dev/null
@@ -1,42 +0,0 @@
-; This test makes sure that the debug_frame section does not contain any named symbols.
-; The ll file was compiled by using the following command.
-; > clang -arch arm64 -ffreestanding -g -c -x c -o /tmp/test.o /tmp/test.c
-;
-; > cat /tmp/test.c
-; void foo(void) {}
-
-
-; RUN: llc %s -O0 -filetype=obj -o - | llvm-nm -s __DWARF __debug_frame - | FileCheck %s --allow-empty
-
-; CHECK-NOT: {{.*}}ltmp{{[0-9]+}}
-
-; ModuleID = '/tmp/test.c'
-source_filename = "/tmp/test.c"
-target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
-target triple = "arm64-apple-macosx14.0.0"
-
-; Function Attrs: noinline nounwind optnone ssp
-define void @foo() #0 !dbg !8 {
-entry:
-  ret void, !dbg !12
-}
-
-attributes #0 = { noinline nounwind optnone ssp "frame-pointer"="non-leaf" "no-builtins" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="apple-m1" "target-features"="+aes,+crc,+dotprod,+fp-armv8,+fp16fml,+fullfp16,+lse,+neon,+ras,+rcpc,+rdm,+sha2,+sha3,+v8.1a,+v8.2a,+v8.3a,+v8.4a,+v8.5a,+v8a,+zcm,+zcz" }
-
-!llvm.dbg.cu = !{!0}
-!llvm.module.flags = !{!2, !3, !4, !5, !6}
-!llvm.ident = !{!7}
-
-!0 = distinct !DICompileUnit(language: DW_LANG_C11, file: !1, producer: "clang version 17.0.0 (git at github.com:llvm/llvm-project.git e734a12b608f8c4a2b03fb2f3194de1cc3b43344)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: Apple, sysroot: "/")
-!1 = !DIFile(filename: "/tmp/test.c", directory: "/tmp")
-!2 = !{i32 7, !"Dwarf Version", i32 4}
-!3 = !{i32 2, !"Debug Info Version", i32 3}
-!4 = !{i32 1, !"wchar_size", i32 4}
-!5 = !{i32 8, !"PIC Level", i32 2}
-!6 = !{i32 7, !"frame-pointer", i32 1}
-!7 = !{!"clang version 17.0.0 (git at github.com:llvm/llvm-project.git e734a12b608f8c4a2b03fb2f3194de1cc3b43344)"}
-!8 = distinct !DISubprogram(name: "foo", scope: !9, file: !9, line: 1, type: !10, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0)
-!9 = !DIFile(filename: "/tmp/test.c", directory: "")
-!10 = !DISubroutineType(types: !11)
-!11 = !{null}
-!12 = !DILocation(line: 1, column: 17, scope: !8)