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ARM: Enable use of relocation type tlsldo in debug info for tls data. This fixes PR18554. Reviewers: Renato Golin, Keith Walker git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200826 91177308-0d34-0410-b5e6-96231b3b80d8 Kai Nacke 6 years ago
3 changed file(s) with 37 addition(s) and 0 deletion(s). Raw diff Collapse all Expand all
5050 MCSymbolRefExpr::VK_ARM_TARGET2,
5151 getContext());
5252 }
53
54 const MCExpr *ARMElfTargetObjectFile::
55 getDebugThreadLocalSymbol(const MCSymbol *Sym) const {
56 return MCSymbolRefExpr::Create(Sym, MCSymbolRefExpr::VK_ARM_TLSLDO,
57 getContext());
58 }
3535 virtual const MCSection *getAttributesSection() const {
3636 return AttributesSection;
3737 }
38
39 /// \brief Describe a TLS variable address within debug info.
40 virtual const MCExpr *getDebugThreadLocalSymbol(const MCSymbol *Sym) const;
3841 };
3942
4043 } // end namespace llvm
0 ; RUN: llc -O0 -filetype=asm -mtriple=armv7-linux-gnuehabi < %s | FileCheck %s
1 ;
2 ; Generated with clang with source
3 ; __thread int x;
4
5 @x = thread_local global i32 0, align 4
6
7 !llvm.dbg.cu = !{!0}
8 !llvm.module.flags = !{!7, !8}
9 !llvm.ident = !{!9}
10
11 ; 6 byte of data
12 ; CHECK: .byte 6 @ DW_AT_location
13 ; DW_OP_const4u
14 ; CHECK: .byte 12
15 ; The debug relocation of the address of the tls variable
16 ; CHECK: .long x(tlsldo)
17
18 !0 = metadata !{i32 786449, metadata !1, i32 12, metadata !"clang version 3.5 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !2, metadata !3, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/tmp/tls.c] [DW_LANG_C99]
19 !1 = metadata !{metadata !"tls.c", metadata !"/tmp"}
20 !2 = metadata !{}
21 !3 = metadata !{metadata !4}
22 !4 = metadata !{i32 786484, i32 0, null, metadata !"x", metadata !"x", metadata !"", metadata !5, i32 1, metadata !6, i32 0, i32 1, i32* @x, null} ; [ DW_TAG_variable ] [x] [line 1] [def]
23 !5 = metadata !{i32 786473, metadata !1} ; [ DW_TAG_file_type ] [/tmp/tls.c]
24 !6 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
25 !7 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
26 !8 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
27 !9 = metadata !{metadata !"clang version 3.5 "}