1; RUN: llc -filetype=obj %s -o - | llvm-readobj -r -S --symbols - | FileCheck %s 2 3; CHECK: Format: WASM 4; CHECK-NEXT:Arch: wasm32 5; CHECK-NEXT:AddressSize: 32bit 6; CHECK-NEXT:Sections [ 7; CHECK-NEXT: Section { 8; CHECK-NEXT: Type: TYPE (0x1) 9; CHECK-NEXT: Size: 4 10; CHECK-NEXT: Offset: 8 11; CHECK-NEXT: } 12; CHECK-NEXT: Section { 13; CHECK-NEXT: Type: IMPORT (0x2) 14; CHECK-NEXT: Size: 81 15; CHECK-NEXT: Offset: 18 16; CHECK-NEXT: } 17; CHECK-NEXT: Section { 18; CHECK-NEXT: Type: FUNCTION (0x3) 19; CHECK-NEXT: Size: 2 20; CHECK-NEXT: Offset: 105 21; CHECK-NEXT: } 22; CHECK-NEXT: Section { 23; CHECK-NEXT: Type: ELEM (0x9) 24; CHECK-NEXT: Size: 7 25; CHECK-NEXT: Offset: 113 26; CHECK-NEXT: } 27; CHECK-NEXT: Section { 28; CHECK-NEXT: Type: DATACOUNT (0xC) 29; CHECK-NEXT: Size: 1 30; CHECK-NEXT: Offset: 126 31; CHECK-NEXT: } 32; CHECK-NEXT: Section { 33; CHECK-NEXT: Type: CODE (0xA) 34; CHECK-NEXT: Size: 4 35; CHECK-NEXT: Offset: 133 36; CHECK-NEXT: } 37; CHECK-NEXT: Section { 38; CHECK-NEXT: Type: DATA (0xB) 39; CHECK-NEXT: Size: 19 40; CHECK-NEXT: Offset: 143 41; CHECK-NEXT: Segments [ 42; CHECK-NEXT: Segment { 43; CHECK-NEXT: Name: .data.foo 44; CHECK-NEXT: Size: 4 45; CHECK-NEXT: Offset: 0 46; CHECK-NEXT: } 47; CHECK-NEXT: Segment { 48; CHECK-NEXT: Name: .data.ptr2 49; CHECK-NEXT: Size: 4 50; CHECK-NEXT: Offset: 4 51; CHECK-NEXT: } 52; CHECK-NEXT: ] 53; CHECK-NEXT: } 54; CHECK-NEXT: Section { 55; CHECK-NEXT: Type: CUSTOM (0x0) 56; CHECK-NEXT: Size: 86 57; CHECK-NEXT: Offset: 168 58; CHECK-NEXT: Name: .debug_abbrev 59; CHECK-NEXT: } 60; CHECK-NEXT: Section { 61; CHECK-NEXT: Type: CUSTOM (0x0) 62; CHECK-NEXT: Size: 114 63; CHECK-NEXT: Offset: 274 64; CHECK-NEXT: Name: .debug_info 65; CHECK-NEXT: } 66; CHECK-NEXT: Section { 67; CHECK-NEXT: Type: CUSTOM (0x0) 68; CHECK-NEXT: Size: 121 69; CHECK-NEXT: Offset: 406 70; CHECK-NEXT: Name: .debug_str 71; CHECK-NEXT: } 72; CHECK-NEXT: Section { 73; CHECK-NEXT: Type: CUSTOM (0x0) 74; CHECK-NEXT: Size: 42 75; CHECK-NEXT: Offset: 544 76; CHECK-NEXT: Name: .debug_pubnames 77; CHECK-NEXT: } 78; CHECK-NEXT: Section { 79; CHECK-NEXT: Type: CUSTOM (0x0) 80; CHECK-NEXT: Size: 26 81; CHECK-NEXT: Offset: 608 82; CHECK-NEXT: Name: .debug_pubtypes 83; CHECK-NEXT: } 84; CHECK-NEXT: Section { 85; CHECK-NEXT: Type: CUSTOM (0x0) 86; CHECK-NEXT: Size: 57 87; CHECK-NEXT: Offset: 656 88; CHECK-NEXT: Name: .debug_line 89; CHECK-NEXT: } 90; CHECK-NEXT: Section { 91; CHECK-NEXT: Type: CUSTOM (0x0) 92; CHECK-NEXT: Size: 91 93; CHECK-NEXT: Offset: 731 94; CHECK-NEXT: Name: linking 95; CHECK-NEXT: } 96; CHECK-NEXT: Section { 97; CHECK-NEXT: Type: CUSTOM (0x0) 98; CHECK-NEXT: Size: 9 99; CHECK-NEXT: Offset: 836 100; CHECK-NEXT: Name: reloc.DATA 101; CHECK-NEXT: } 102; CHECK-NEXT: Section { 103; CHECK-NEXT: Type: CUSTOM (0x0) 104; CHECK-NEXT: Size: 61 105; CHECK-NEXT: Offset: 862 106; CHECK-NEXT: Name: reloc..debug_info 107; CHECK-NEXT: } 108; CHECK-NEXT: Section { 109; CHECK-NEXT: Type: CUSTOM (0x0) 110; CHECK-NEXT: Size: 6 111; CHECK-NEXT: Offset: 947 112; CHECK-NEXT: Name: reloc..debug_pubnames 113; CHECK-NEXT: } 114; CHECK-NEXT: Section { 115; CHECK-NEXT: Type: CUSTOM (0x0) 116; CHECK-NEXT: Size: 6 117; CHECK-NEXT: Offset: 981 118; CHECK-NEXT: Name: reloc..debug_pubtypes 119; CHECK-NEXT: } 120; CHECK-NEXT: Section { 121; CHECK-NEXT: Type: CUSTOM (0x0) 122; CHECK-NEXT: Size: 6 123; CHECK-NEXT: Offset: 1015 124; CHECK-NEXT: Name: reloc..debug_line 125; CHECK-NEXT: } 126; CHECK-NEXT: Section { 127; CHECK-NEXT: Type: CUSTOM (0x0) 128; CHECK-NEXT: Size: 77 129; CHECK-NEXT: Offset: 1045 130; CHECK-NEXT: Name: producers 131; CHECK-NEXT: } 132; CHECK-NEXT:] 133; CHECK-NEXT:Relocations [ 134; CHECK-NEXT: Section (7) DATA { 135; CHECK-NEXT: 0x6 R_WASM_MEMORY_ADDR_I32 myextern 0 136; CHECK-NEXT: 0xF R_WASM_TABLE_INDEX_I32 f2 137; CHECK-NEXT: } 138; CHECK-NEXT: Section (9) .debug_info { 139; CHECK-NEXT: 0x6 R_WASM_SECTION_OFFSET_I32 .debug_abbrev 0 140; CHECK-NEXT: 0xC R_WASM_SECTION_OFFSET_I32 .debug_str 0 141; CHECK-NEXT: 0x12 R_WASM_SECTION_OFFSET_I32 .debug_str 55 142; CHECK-NEXT: 0x16 R_WASM_SECTION_OFFSET_I32 .debug_line 0 143; CHECK-NEXT: 0x1A R_WASM_SECTION_OFFSET_I32 .debug_str 62 144; CHECK-NEXT: 0x1E R_WASM_FUNCTION_OFFSET_I32 f2 0 145; CHECK-NEXT: 0x27 R_WASM_SECTION_OFFSET_I32 .debug_str 105 146; CHECK-NEXT: 0x33 R_WASM_MEMORY_ADDR_I32 foo 0 147; CHECK-NEXT: 0x3D R_WASM_SECTION_OFFSET_I32 .debug_str 109 148; CHECK-NEXT: 0x44 R_WASM_SECTION_OFFSET_I32 .debug_str 113 149; CHECK-NEXT: 0x50 R_WASM_MEMORY_ADDR_I32 ptr2 0 150; CHECK-NEXT: 0x5B R_WASM_FUNCTION_OFFSET_I32 f2 0 151; CHECK-NEXT: 0x66 R_WASM_GLOBAL_INDEX_I32 __stack_pointer 152; CHECK-NEXT: 0x6B R_WASM_SECTION_OFFSET_I32 .debug_str 118 153; CHECK-NEXT: } 154; CHECK-NEXT: Section (11) .debug_pubnames { 155; CHECK-NEXT: 0x6 R_WASM_SECTION_OFFSET_I32 .debug_info 0 156; CHECK-NEXT: } 157; CHECK-NEXT: Section (12) .debug_pubtypes { 158; CHECK-NEXT: 0x6 R_WASM_SECTION_OFFSET_I32 .debug_info 0 159; CHECK-NEXT: } 160; CHECK-NEXT: Section (13) .debug_line { 161; CHECK-NEXT: 0x2B R_WASM_FUNCTION_OFFSET_I32 f2 0 162; CHECK-NEXT: } 163; CHECK-NEXT:] 164; CHECK-NEXT:Symbols [ 165; CHECK-NEXT: Symbol { 166; CHECK-NEXT: Name: f2 167; CHECK-NEXT: Type: FUNCTION (0x0) 168; CHECK-NEXT: Flags [ (0x4) 169; CHECK-NEXT: VISIBILITY_HIDDEN (0x4) 170; CHECK-NEXT: ] 171; CHECK-NEXT: ElementIndex: 0x0 172; CHECK-NEXT: } 173; CHECK-NEXT: Symbol { 174; CHECK-NEXT: Name: foo 175; CHECK-NEXT: Type: DATA (0x1) 176; CHECK-NEXT: Flags [ (0x4) 177; CHECK-NEXT: VISIBILITY_HIDDEN (0x4) 178; CHECK-NEXT: ] 179; CHECK-NEXT: Offset: 0x0 180; CHECK-NEXT: Segment: 0x0 181; CHECK-NEXT: Size: 0x4 182; CHECK-NEXT: } 183; CHECK-NEXT: Symbol { 184; CHECK-NEXT: Name: myextern 185; CHECK-NEXT: Type: DATA (0x1) 186; CHECK-NEXT: Flags [ (0x10) 187; CHECK-NEXT: UNDEFINED (0x10) 188; CHECK-NEXT: ] 189; CHECK-NEXT: } 190; CHECK-NEXT: Symbol { 191; CHECK-NEXT: Name: ptr2 192; CHECK-NEXT: Type: DATA (0x1) 193; CHECK-NEXT: Flags [ (0x4) 194; CHECK-NEXT: VISIBILITY_HIDDEN (0x4) 195; CHECK-NEXT: ] 196; CHECK-NEXT: Offset: 0x0 197; CHECK-NEXT: Segment: 0x1 198; CHECK-NEXT: Size: 0x4 199; CHECK-NEXT: } 200; CHECK-NEXT: Symbol { 201; CHECK-NEXT: Name: .debug_abbrev 202; CHECK-NEXT: Type: SECTION (0x3) 203; CHECK-NEXT: Flags [ (0x2) 204; CHECK-NEXT: BINDING_LOCAL (0x2) 205; CHECK-NEXT: ] 206; CHECK-NEXT: ElementIndex: 0x7 207; CHECK-NEXT: } 208; CHECK-NEXT: Symbol { 209; CHECK-NEXT: Name: .debug_info 210; CHECK-NEXT: Type: SECTION (0x3) 211; CHECK-NEXT: Flags [ (0x2) 212; CHECK-NEXT: BINDING_LOCAL (0x2) 213; CHECK-NEXT: ] 214; CHECK-NEXT: ElementIndex: 0x8 215; CHECK-NEXT: } 216; CHECK-NEXT: Symbol { 217; CHECK-NEXT: Name: __stack_pointer 218; CHECK-NEXT: Type: GLOBAL (0x2) 219; CHECK-NEXT: Flags [ (0x10) 220; CHECK-NEXT: UNDEFINED (0x10) 221; CHECK-NEXT: ] 222; CHECK-NEXT: ImportModule: env 223; CHECK-NEXT: ElementIndex: 0x0 224; CHECK-NEXT: } 225; CHECK-NEXT: Symbol { 226; CHECK-NEXT: Name: .debug_str 227; CHECK-NEXT: Type: SECTION (0x3) 228; CHECK-NEXT: Flags [ (0x2) 229; CHECK-NEXT: BINDING_LOCAL (0x2) 230; CHECK-NEXT: ] 231; CHECK-NEXT: ElementIndex: 0x9 232; CHECK-NEXT: } 233; CHECK-NEXT: Symbol { 234; CHECK-NEXT: Name: .debug_line 235; CHECK-NEXT: Type: SECTION (0x3) 236; CHECK-NEXT: Flags [ (0x2) 237; CHECK-NEXT: BINDING_LOCAL (0x2) 238; CHECK-NEXT: ] 239; CHECK-NEXT: ElementIndex: 0xC 240; CHECK-NEXT: } 241; CHECK-NEXT:] 242 243; generated from the following C code using: clang --target=wasm32 -g -O0 -S -emit-llvm test.c 244; extern int myextern; 245; void f2(void) { return; } 246; 247; int* foo = &myextern; 248; void (*ptr2)(void) = f2; 249 250target triple = "wasm32-unknown-unknown" 251 252source_filename = "test.c" 253 254@myextern = external global i32, align 4 255@foo = hidden global i32* @myextern, align 4, !dbg !0 256@ptr2 = hidden global void ()* @f2, align 4, !dbg !6 257 258; Function Attrs: noinline nounwind optnone 259define hidden void @f2() #0 !dbg !17 { 260entry: 261 ret void, !dbg !18 262} 263 264attributes #0 = { noinline nounwind optnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="generic" "unsafe-fp-math"="false" "use-soft-float"="false" } 265 266!llvm.dbg.cu = !{!2} 267!llvm.module.flags = !{!13, !14, !15} 268!llvm.ident = !{!16} 269 270!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 271!1 = distinct !DIGlobalVariable(name: "foo", scope: !2, file: !3, line: 4, type: !11, isLocal: false, isDefinition: true) 272!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 7.0.0 (trunk 332303) (llvm/trunk 332406)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5) 273!3 = !DIFile(filename: "test.c", directory: "/usr/local/google/home/sbc/dev/wasm/simple") 274!4 = !{} 275!5 = !{!0, !6} 276!6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression()) 277!7 = distinct !DIGlobalVariable(name: "ptr2", scope: !2, file: !3, line: 5, type: !8, isLocal: false, isDefinition: true) 278!8 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !9, size: 32) 279!9 = !DISubroutineType(types: !10) 280!10 = !{null} 281!11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 32) 282!12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 283!13 = !{i32 2, !"Dwarf Version", i32 4} 284!14 = !{i32 2, !"Debug Info Version", i32 3} 285!15 = !{i32 1, !"wchar_size", i32 4} 286!16 = !{!"clang version 7.0.0 (trunk 332303) (llvm/trunk 332406)"} 287!17 = distinct !DISubprogram(name: "f2", scope: !3, file: !3, line: 2, type: !9, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: false, unit: !2, retainedNodes: !4) 288!18 = !DILocation(line: 2, column: 17, scope: !17) 289