1; RUN: llc -mtriple=x86_64-pc-linux-gnu -generate-gnu-dwarf-pub-sections < %s | FileCheck -check-prefix=ASM %s 2; RUN: llc -mtriple=x86_64-pc-linux-gnu -generate-gnu-dwarf-pub-sections -filetype=obj < %s | llvm-dwarfdump - | FileCheck %s 3; ModuleID = 'dwarf-public-names.cpp' 4; 5; Generated from: 6; 7; struct C { 8; void member_function(); 9; static int static_member_function(); 10; static int static_member_variable; 11; }; 12; 13; int C::static_member_variable = 0; 14; 15; void C::member_function() { 16; static_member_variable = 0; 17; } 18; 19; int C::static_member_function() { 20; return static_member_variable; 21; } 22; 23; C global_variable; 24; 25; int global_function() { 26; return -1; 27; } 28; 29; namespace ns { 30; void global_namespace_function() { 31; global_variable.member_function(); 32; } 33; int global_namespace_variable = 1; 34; struct D { 35; int A; 36; } d; 37; } 38 39; ASM: .section .debug_gnu_pubnames 40; ASM: .byte 32 # Kind: VARIABLE, EXTERNAL 41; ASM-NEXT: .asciz "global_variable" # External Name 42 43; ASM: .section .debug_gnu_pubtypes 44; ASM: .byte 16 # Kind: TYPE, EXTERNAL 45; ASM-NEXT: .asciz "C" # External Name 46 47; CHECK: .debug_info contents: 48; CHECK: Compile Unit: 49; CHECK: DW_AT_GNU_pubnames [DW_FORM_flag_present] (true) 50; CHECK-NOT: DW_AT_GNU_pubtypes [ 51 52; CHECK: [[STATIC_MEM_VAR:0x[0-9a-f]+]]: DW_TAG_variable 53; CHECK-NEXT: DW_AT_specification {{.*}} "static_member_variable" 54 55; CHECK: [[C:0x[0-9a-f]+]]: DW_TAG_structure_type 56; CHECK-NEXT: DW_AT_name {{.*}} "C" 57 58; CHECK: DW_TAG_member 59; CHECK-NEXT: DW_AT_name {{.*}} "static_member_variable" 60 61; CHECK: DW_TAG_subprogram 62; CHECK-NEXT: DW_AT_MIPS_linkage_name 63; CHECK-NEXT: DW_AT_name {{.*}} "member_function" 64 65; CHECK: DW_TAG_subprogram 66; CHECK-NEXT: DW_AT_MIPS_linkage_name 67; CHECK-NEXT: DW_AT_name {{.*}} "static_member_function" 68 69; CHECK: [[INT:0x[0-9a-f]+]]: DW_TAG_base_type 70; CHECK-NEXT: DW_AT_name {{.*}} "int" 71 72; CHECK: [[GLOB_VAR:0x[0-9a-f]+]]: DW_TAG_variable 73; CHECK-NEXT: DW_AT_name {{.*}} "global_variable" 74 75; CHECK: [[NS:0x[0-9a-f]+]]: DW_TAG_namespace 76; CHECK-NEXT: DW_AT_name {{.*}} "ns" 77 78; CHECK: [[GLOB_NS_VAR:0x[0-9a-f]+]]: DW_TAG_variable 79; CHECK-NEXT: DW_AT_name {{.*}} "global_namespace_variable" 80; CHECK-NOT: DW_AT_specification 81; CHECK: DW_AT_location 82; CHECK-NOT: DW_AT_specification 83 84; CHECK: [[D_VAR:0x[0-9a-f]+]]: DW_TAG_variable 85; CHECK-NEXT: DW_AT_name {{.*}} "d" 86; CHECK-NOT: DW_AT_specification 87; CHECK: DW_AT_location 88; CHECK-NOT: DW_AT_specification 89 90; CHECK: [[D:0x[0-9a-f]+]]: DW_TAG_structure_type 91; CHECK-NEXT: DW_AT_name {{.*}} "D" 92 93; CHECK: [[GLOB_NS_FUNC:0x[0-9a-f]+]]: DW_TAG_subprogram 94; CHECK-NOT: DW_TAG 95; CHECK: DW_AT_MIPS_linkage_name 96; CHECK-NOT: DW_TAG 97; CHECK: DW_AT_name {{.*}} "global_namespace_function" 98 99; CHECK: DW_TAG_subprogram 100; CHECK-NOT: DW_TAG 101; CHECK: DW_AT_name {{.*}} "f3" 102; CHECK-NOT: {{DW_TAG|NULL}} 103; CHECK: [[F3_Z:.*]]: DW_TAG_variable 104; CHECK-NOT: DW_TAG 105; CHECK: DW_AT_name {{.*}} "z" 106; CHECK-NOT: {{DW_TAG|NULL}} 107; CHECK: DW_AT_location 108; CHECK-NOT: {{DW_TAG|NULL}} 109; CHECK: NULL 110; CHECK-NOT: {{DW_TAG|NULL}} 111 112; CHECK: [[OUTER:.*]]: DW_TAG_namespace 113; CHECK-NOT: DW_TAG 114; CHECK: DW_AT_name {{.*}} "outer" 115; CHECK-NOT: {{DW_TAG|NULL}} 116; CHECK: [[OUTER_ANON:.*]]: DW_TAG_namespace 117; CHECK-NOT: {{DW_TAG|NULL}} 118; CHECK-NOT: DW_AT_name 119; CHECK: [[OUTER_ANON_C:.*]]: DW_TAG_variable 120; CHECK-NOT: DW_TAG 121; CHECK: DW_AT_name {{.*}} "c" 122; CHECK-NOT: {{DW_TAG|NULL}} 123; CHECK: NULL 124; CHECK-NOT: {{DW_TAG|NULL}} 125; FIXME: We probably shouldn't bother describing the implicit 126; import of the preceding anonymous namespace. This should be fixed 127; in clang. 128; CHECK: DW_TAG_imported_module 129; CHECK-NOT: {{DW_TAG|NULL}} 130; CHECK: NULL 131; CHECK-NOT: {{DW_TAG|NULL}} 132 133; CHECK: [[ANON:.*]]: DW_TAG_namespace 134; CHECK-NOT: DW_AT_name 135; CHECK: [[ANON_INNER:.*]]: DW_TAG_namespace 136; CHECK-NOT: DW_TAG 137; CHECK: DW_AT_name {{.*}} "inner" 138; CHECK-NOT: {{DW_TAG|NULL}} 139; CHECK: [[ANON_INNER_B:.*]]: DW_TAG_variable 140; CHECK-NOT: DW_TAG 141; CHECK: DW_AT_name {{.*}} "b" 142; CHECK-NOT: {{DW_TAG|NULL}} 143; CHECK: NULL 144; CHECK-NOT: {{DW_TAG|NULL}} 145; CHECK: [[ANON_I:.*]]: DW_TAG_variable 146; CHECK-NOT: DW_TAG 147; CHECK: DW_AT_name {{.*}} "i" 148; CHECK-NOT: {{DW_TAG|NULL}} 149; CHECK: NULL 150; CHECK-NOT: {{DW_TAG|NULL}} 151 152; CHECK: [[MEM_FUNC:0x[0-9a-f]+]]: DW_TAG_subprogram 153; CHECK-NOT: DW_TAG 154; CHECK: DW_AT_specification {{.*}} "_ZN1C15member_functionEv" 155 156; CHECK: [[STATIC_MEM_FUNC:0x[0-9a-f]+]]: DW_TAG_subprogram 157; CHECK-NOT: DW_TAG 158; CHECK: DW_AT_specification {{.*}} "_ZN1C22static_member_functionEv" 159 160; CHECK: [[GLOBAL_FUNC:0x[0-9a-f]+]]: DW_TAG_subprogram 161; CHECK-NOT: DW_TAG 162; CHECK: DW_AT_MIPS_linkage_name 163; CHECK-NOT: DW_TAG 164; CHECK: DW_AT_name {{.*}} "global_function" 165 166; CHECK-LABEL: .debug_gnu_pubnames contents: 167; CHECK-NEXT: length = {{.*}} version = 0x0002 unit_offset = 0x00000000 unit_size = {{.*}} 168; CHECK-NEXT: Offset Linkage Kind Name 169; CHECK-DAG: [[GLOBAL_FUNC]] EXTERNAL FUNCTION "global_function" 170; CHECK-DAG: [[NS]] EXTERNAL TYPE "ns" 171; CHECK-DAG: [[MEM_FUNC]] EXTERNAL FUNCTION "C::member_function" 172; CHECK-DAG: [[GLOB_VAR]] EXTERNAL VARIABLE "global_variable" 173; CHECK-DAG: [[GLOB_NS_VAR]] EXTERNAL VARIABLE "ns::global_namespace_variable" 174; CHECK-DAG: [[GLOB_NS_FUNC]] EXTERNAL FUNCTION "ns::global_namespace_function" 175; CHECK-DAG: [[D_VAR]] EXTERNAL VARIABLE "ns::d" 176; CHECK-DAG: [[STATIC_MEM_VAR]] EXTERNAL VARIABLE "C::static_member_variable" 177; CHECK-DAG: [[STATIC_MEM_FUNC]] EXTERNAL FUNCTION "C::static_member_function" 178; CHECK-DAG: [[ANON]] EXTERNAL TYPE "(anonymous namespace)" 179; CHECK-DAG: [[ANON_INNER]] EXTERNAL TYPE "(anonymous namespace)::inner" 180; CHECK-DAG: [[OUTER]] EXTERNAL TYPE "outer" 181; CHECK-DAG: [[OUTER_ANON]] EXTERNAL TYPE "outer::(anonymous namespace)" 182; CHECK-DAG: [[ANON_I]] STATIC VARIABLE "(anonymous namespace)::i" 183; CHECK-DAG: [[ANON_INNER_B]] STATIC VARIABLE "(anonymous namespace)::inner::b" 184; CHECK-DAG: [[OUTER_ANON_C]] STATIC VARIABLE "outer::(anonymous namespace)::c" 185 186; GCC Doesn't put local statics in pubnames, but it seems not unreasonable and 187; comes out naturally from LLVM's implementation, so I'm OK with it for now. If 188; it's demonstrated that this is a major size concern or degrades debug info 189; consumer behavior, feel free to change it. 190 191; CHECK-DAG: [[F3_Z]] STATIC VARIABLE "f3::z" 192 193 194; CHECK-LABEL: debug_gnu_pubtypes contents: 195; CHECK: Offset Linkage Kind Name 196; CHECK-DAG: [[C]] EXTERNAL TYPE "C" 197; CHECK-DAG: [[D]] EXTERNAL TYPE "ns::D" 198; CHECK-DAG: [[INT]] STATIC TYPE "int" 199 200%struct.C = type { i8 } 201%"struct.ns::D" = type { i32 } 202 203@_ZN1C22static_member_variableE = global i32 0, align 4 204@global_variable = global %struct.C zeroinitializer, align 1 205@_ZN2ns25global_namespace_variableE = global i32 1, align 4 206@_ZN2ns1dE = global %"struct.ns::D" zeroinitializer, align 4 207@_ZZ2f3vE1z = internal global i32 0, align 4 208@_ZN12_GLOBAL__N_11iE = internal global i32 0, align 4 209@_ZN12_GLOBAL__N_15inner1bE = internal global i32 0, align 4 210@_ZN5outer12_GLOBAL__N_11cE = internal global i32 0, align 4 211 212; Function Attrs: nounwind uwtable 213define void @_ZN1C15member_functionEv(%struct.C* %this) #0 align 2 { 214entry: 215 %this.addr = alloca %struct.C*, align 8 216 store %struct.C* %this, %struct.C** %this.addr, align 8 217 call void @llvm.dbg.declare(metadata %struct.C** %this.addr, metadata !50, metadata !{!"0x102"}), !dbg !52 218 %this1 = load %struct.C** %this.addr 219 store i32 0, i32* @_ZN1C22static_member_variableE, align 4, !dbg !53 220 ret void, !dbg !54 221} 222 223; Function Attrs: nounwind readnone 224declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 225 226; Function Attrs: nounwind uwtable 227define i32 @_ZN1C22static_member_functionEv() #0 align 2 { 228entry: 229 %0 = load i32* @_ZN1C22static_member_variableE, align 4, !dbg !55 230 ret i32 %0, !dbg !55 231} 232 233; Function Attrs: nounwind uwtable 234define i32 @_Z15global_functionv() #0 { 235entry: 236 ret i32 -1, !dbg !56 237} 238 239; Function Attrs: nounwind uwtable 240define void @_ZN2ns25global_namespace_functionEv() #0 { 241entry: 242 call void @_ZN1C15member_functionEv(%struct.C* @global_variable), !dbg !57 243 ret void, !dbg !58 244} 245 246; Function Attrs: nounwind uwtable 247define i32* @_Z2f3v() #0 { 248entry: 249 ret i32* @_ZZ2f3vE1z, !dbg !59 250} 251 252; Function Attrs: nounwind uwtable 253define i32 @_Z2f7v() #0 { 254entry: 255 %0 = load i32* @_ZN12_GLOBAL__N_11iE, align 4, !dbg !60 256 %call = call i32* @_Z2f3v(), !dbg !60 257 %1 = load i32* %call, align 4, !dbg !60 258 %add = add nsw i32 %0, %1, !dbg !60 259 %2 = load i32* @_ZN12_GLOBAL__N_15inner1bE, align 4, !dbg !60 260 %add1 = add nsw i32 %add, %2, !dbg !60 261 %3 = load i32* @_ZN5outer12_GLOBAL__N_11cE, align 4, !dbg !60 262 %add2 = add nsw i32 %add1, %3, !dbg !60 263 ret i32 %add2, !dbg !60 264} 265 266attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } 267attributes #1 = { nounwind readnone } 268 269!llvm.dbg.cu = !{!0} 270!llvm.module.flags = !{!47, !48} 271!llvm.ident = !{!49} 272 273!0 = !{!"0x11\004\00clang version 3.5.0 \000\00\000\00\001", !1, !2, !3, !19, !32, !45} ; [ DW_TAG_compile_unit ] [/tmp/dbginfo/pubnames.cpp] [DW_LANG_C_plus_plus] 274!1 = !{!"pubnames.cpp", !"/tmp/dbginfo"} 275!2 = !{} 276!3 = !{!4, !15} 277!4 = !{!"0x13\00C\001\008\008\000\000\000", !1, null, null, !5, null, null, !"_ZTS1C"} ; [ DW_TAG_structure_type ] [C] [line 1, size 8, align 8, offset 0] [def] [from ] 278!5 = !{!6, !8, !12} 279!6 = !{!"0xd\00static_member_variable\004\000\000\000\004096", !1, !"_ZTS1C", !7, null} ; [ DW_TAG_member ] [static_member_variable] [line 4, size 0, align 0, offset 0] [static] [from int] 280!7 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed] 281!8 = !{!"0x2e\00member_function\00member_function\00_ZN1C15member_functionEv\002\000\000\000\006\00256\000\002", !1, !"_ZTS1C", !9, null, null, null, i32 0, null} ; [ DW_TAG_subprogram ] [line 2] [member_function] 282!9 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !10, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 283!10 = !{null, !11} 284!11 = !{!"0xf\00\000\0064\0064\000\001088", null, null, !"_ZTS1C"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1C] 285!12 = !{!"0x2e\00static_member_function\00static_member_function\00_ZN1C22static_member_functionEv\003\000\000\000\006\00256\000\003", !1, !"_ZTS1C", !13, null, null, null, i32 0, null} ; [ DW_TAG_subprogram ] [line 3] [static_member_function] 286!13 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !14, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 287!14 = !{!7} 288!15 = !{!"0x13\00D\0028\0032\0032\000\000\000", !1, !16, null, !17, null, null, !"_ZTSN2ns1DE"} ; [ DW_TAG_structure_type ] [D] [line 28, size 32, align 32, offset 0] [def] [from ] 289!16 = !{!"0x39\00ns\0023", !1, null} ; [ DW_TAG_namespace ] [ns] [line 23] 290!17 = !{!18} 291!18 = !{!"0xd\00A\0029\0032\0032\000\000", !1, !"_ZTSN2ns1DE", !7} ; [ DW_TAG_member ] [A] [line 29, size 32, align 32, offset 0] [from int] 292!19 = !{!20, !21, !22, !24, !27, !31} 293!20 = !{!"0x2e\00member_function\00member_function\00_ZN1C15member_functionEv\009\000\001\000\006\00256\000\009", !1, !"_ZTS1C", !9, null, void (%struct.C*)* @_ZN1C15member_functionEv, null, !8, !2} ; [ DW_TAG_subprogram ] [line 9] [def] [member_function] 294!21 = !{!"0x2e\00static_member_function\00static_member_function\00_ZN1C22static_member_functionEv\0013\000\001\000\006\00256\000\0013", !1, !"_ZTS1C", !13, null, i32 ()* @_ZN1C22static_member_functionEv, null, !12, !2} ; [ DW_TAG_subprogram ] [line 13] [def] [static_member_function] 295!22 = !{!"0x2e\00global_function\00global_function\00_Z15global_functionv\0019\000\001\000\006\00256\000\0019", !1, !23, !13, null, i32 ()* @_Z15global_functionv, null, null, !2} ; [ DW_TAG_subprogram ] [line 19] [def] [global_function] 296!23 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [/tmp/dbginfo/pubnames.cpp] 297!24 = !{!"0x2e\00global_namespace_function\00global_namespace_function\00_ZN2ns25global_namespace_functionEv\0024\000\001\000\006\00256\000\0024", !1, !16, !25, null, void ()* @_ZN2ns25global_namespace_functionEv, null, null, !2} ; [ DW_TAG_subprogram ] [line 24] [def] [global_namespace_function] 298!25 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !26, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 299!26 = !{null} 300!27 = !{!"0x2e\00f3\00f3\00_Z2f3v\0037\000\001\000\006\00256\000\0037", !1, !23, !28, null, i32* ()* @_Z2f3v, null, null, !2} ; [ DW_TAG_subprogram ] [line 37] [def] [f3] 301!28 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !29, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 302!29 = !{!30} 303!30 = !{!"0xf\00\000\0064\0064\000\000", null, null, !7} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from int] 304!31 = !{!"0x2e\00f7\00f7\00_Z2f7v\0054\000\001\000\006\00256\000\0054", !1, !23, !13, null, i32 ()* @_Z2f7v, null, null, !2} ; [ DW_TAG_subprogram ] [line 54] [def] [f7] 305!32 = !{!33, !34, !35, !36, !37, !38, !41, !44} 306!33 = !{!"0x34\00static_member_variable\00static_member_variable\00_ZN1C22static_member_variableE\007\000\001", null, !23, !7, i32* @_ZN1C22static_member_variableE, !6} ; [ DW_TAG_variable ] [static_member_variable] [line 7] [def] 307!34 = !{!"0x34\00global_variable\00global_variable\00\0017\000\001", null, !23, !"_ZTS1C", %struct.C* @global_variable, null} ; [ DW_TAG_variable ] [global_variable] [line 17] [def] 308!35 = !{!"0x34\00global_namespace_variable\00global_namespace_variable\00_ZN2ns25global_namespace_variableE\0027\000\001", !16, !23, !7, i32* @_ZN2ns25global_namespace_variableE, null} ; [ DW_TAG_variable ] [global_namespace_variable] [line 27] [def] 309!36 = !{!"0x34\00d\00d\00_ZN2ns1dE\0030\000\001", !16, !23, !"_ZTSN2ns1DE", %"struct.ns::D"* @_ZN2ns1dE, null} ; [ DW_TAG_variable ] [d] [line 30] [def] 310!37 = !{!"0x34\00z\00z\00\0038\001\001", !27, !23, !7, i32* @_ZZ2f3vE1z, null} ; [ DW_TAG_variable ] [z] [line 38] [local] [def] 311!38 = !{!"0x34\00c\00c\00_ZN5outer12_GLOBAL__N_11cE\0050\001\001", !39, !23, !7, i32* @_ZN5outer12_GLOBAL__N_11cE, null} ; [ DW_TAG_variable ] [c] [line 50] [local] [def] 312!39 = !{!"0x39\00\0049", !1, !40} ; [ DW_TAG_namespace ] [line 49] 313!40 = !{!"0x39\00outer\0048", !1, null} ; [ DW_TAG_namespace ] [outer] [line 48] 314!41 = !{!"0x34\00b\00b\00_ZN12_GLOBAL__N_15inner1bE\0044\001\001", !42, !23, !7, i32* @_ZN12_GLOBAL__N_15inner1bE, null} ; [ DW_TAG_variable ] [b] [line 44] [local] [def] 315!42 = !{!"0x39\00inner\0043", !1, !43} ; [ DW_TAG_namespace ] [inner] [line 43] 316!43 = !{!"0x39\00\0033", !1, null} ; [ DW_TAG_namespace ] [line 33] 317!44 = !{!"0x34\00i\00i\00_ZN12_GLOBAL__N_11iE\0034\001\001", !43, !23, !7, i32* @_ZN12_GLOBAL__N_11iE, null} ; [ DW_TAG_variable ] [i] [line 34] [local] [def] 318!45 = !{!46} 319!46 = !{!"0x3a\0040\00", !40, !39} ; [ DW_TAG_imported_module ] 320!47 = !{i32 2, !"Dwarf Version", i32 4} 321!48 = !{i32 2, !"Debug Info Version", i32 2} 322!49 = !{!"clang version 3.5.0 "} 323!50 = !{!"0x101\00this\0016777216\001088", !20, null, !51} ; [ DW_TAG_arg_variable ] [this] [line 0] 324!51 = !{!"0xf\00\000\0064\0064\000\000", null, null, !"_ZTS1C"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS1C] 325!52 = !MDLocation(line: 0, scope: !20) 326!53 = !MDLocation(line: 10, scope: !20) 327!54 = !MDLocation(line: 11, scope: !20) 328!55 = !MDLocation(line: 14, scope: !21) 329!56 = !MDLocation(line: 20, scope: !22) 330!57 = !MDLocation(line: 25, scope: !24) 331!58 = !MDLocation(line: 26, scope: !24) 332!59 = !MDLocation(line: 39, scope: !27) 333!60 = !MDLocation(line: 55, scope: !31) 334