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: 58 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: 82 21; CHECK-NEXT: } 22; CHECK-NEXT: Section { 23; CHECK-NEXT: Type: ELEM (0x9) 24; CHECK-NEXT: Size: 7 25; CHECK-NEXT: Offset: 90 26; CHECK-NEXT: } 27; CHECK-NEXT: Section { 28; CHECK-NEXT: Type: CODE (0xA) 29; CHECK-NEXT: Size: 4 30; CHECK-NEXT: Offset: 103 31; CHECK-NEXT: } 32; CHECK-NEXT: Section { 33; CHECK-NEXT: Type: DATA (0xB) 34; CHECK-NEXT: Size: 19 35; CHECK-NEXT: Offset: 113 36; CHECK-NEXT: Segments [ 37; CHECK-NEXT: Segment { 38; CHECK-NEXT: Name: .data.foo 39; CHECK-NEXT: Size: 4 40; CHECK-NEXT: Offset: 0 41; CHECK-NEXT: } 42; CHECK-NEXT: Segment { 43; CHECK-NEXT: Name: .data.ptr2 44; CHECK-NEXT: Size: 4 45; CHECK-NEXT: Offset: 4 46; CHECK-NEXT: } 47; CHECK-NEXT: ] 48; CHECK-NEXT: } 49; CHECK-NEXT: Section { 50; CHECK-NEXT: Type: CUSTOM (0x0) 51; CHECK-NEXT: Size: 121 52; CHECK-NEXT: Offset: 138 53; CHECK-NEXT: Name: .debug_str 54; CHECK-NEXT: } 55; CHECK-NEXT: Section { 56; CHECK-NEXT: Type: CUSTOM (0x0) 57; CHECK-NEXT: Size: 84 58; CHECK-NEXT: Offset: 276 59; CHECK-NEXT: Name: .debug_abbrev 60; CHECK-NEXT: } 61; CHECK-NEXT: Section { 62; CHECK-NEXT: Type: CUSTOM (0x0) 63; CHECK-NEXT: Size: 106 64; CHECK-NEXT: Offset: 380 65; CHECK-NEXT: Name: .debug_info 66; CHECK-NEXT: } 67; CHECK-NEXT: Section { 68; CHECK-NEXT: Type: CUSTOM (0x0) 69; CHECK-NEXT: Size: 1 70; CHECK-NEXT: Offset: 504 71; CHECK-NEXT: Name: .debug_macinfo 72; CHECK-NEXT: } 73; CHECK-NEXT: Section { 74; CHECK-NEXT: Type: CUSTOM (0x0) 75; CHECK-NEXT: Size: 42 76; CHECK-NEXT: Offset: 526 77; CHECK-NEXT: Name: .debug_pubnames 78; CHECK-NEXT: } 79; CHECK-NEXT: Section { 80; CHECK-NEXT: Type: CUSTOM (0x0) 81; CHECK-NEXT: Size: 26 82; CHECK-NEXT: Offset: 590 83; CHECK-NEXT: Name: .debug_pubtypes 84; CHECK-NEXT: } 85; CHECK-NEXT: Section { 86; CHECK-NEXT: Type: CUSTOM (0x0) 87; CHECK-NEXT: Size: 57 88; CHECK-NEXT: Offset: 638 89; CHECK-NEXT: Name: .debug_line 90; CHECK-NEXT: } 91; CHECK-NEXT: Section { 92; CHECK-NEXT: Type: CUSTOM (0x0) 93; CHECK-NEXT: Size: 88 94; CHECK-NEXT: Offset: 713 95; CHECK-NEXT: Name: linking 96; CHECK-NEXT: } 97; CHECK-NEXT: Section { 98; CHECK-NEXT: Type: CUSTOM (0x0) 99; CHECK-NEXT: Size: 9 100; CHECK-NEXT: Offset: 815 101; CHECK-NEXT: Name: reloc.DATA 102; CHECK-NEXT: } 103; CHECK-NEXT: Section { 104; CHECK-NEXT: Type: CUSTOM (0x0) 105; CHECK-NEXT: Size: 58 106; CHECK-NEXT: Offset: 841 107; CHECK-NEXT: Name: reloc..debug_info 108; CHECK-NEXT: } 109; CHECK-NEXT: Section { 110; CHECK-NEXT: Type: CUSTOM (0x0) 111; CHECK-NEXT: Size: 6 112; CHECK-NEXT: Offset: 923 113; CHECK-NEXT: Name: reloc..debug_pubnames 114; CHECK-NEXT: } 115; CHECK-NEXT: Section { 116; CHECK-NEXT: Type: CUSTOM (0x0) 117; CHECK-NEXT: Size: 6 118; CHECK-NEXT: Offset: 957 119; CHECK-NEXT: Name: reloc..debug_pubtypes 120; CHECK-NEXT: } 121; CHECK-NEXT: Section { 122; CHECK-NEXT: Type: CUSTOM (0x0) 123; CHECK-NEXT: Size: 6 124; CHECK-NEXT: Offset: 991 125; CHECK-NEXT: Name: reloc..debug_line 126; CHECK-NEXT: } 127; CHECK-NEXT:] 128; CHECK-NEXT:Relocations [ 129; CHECK-NEXT: Section (6) DATA { 130; CHECK-NEXT: 0x6 R_WEBASSEMBLY_MEMORY_ADDR_I32 myextern 0 131; CHECK-NEXT: 0xF R_WEBASSEMBLY_TABLE_INDEX_I32 f2 132; CHECK-NEXT: } 133; CHECK-NEXT: Section (9) .debug_info { 134; CHECK-NEXT: 0x6 R_WEBASSEMBLY_SECTION_OFFSET_I32 .debug_abbrev 0 135; CHECK-NEXT: 0xC R_WEBASSEMBLY_SECTION_OFFSET_I32 .debug_str 0 136; CHECK-NEXT: 0x12 R_WEBASSEMBLY_SECTION_OFFSET_I32 .debug_str 55 137; CHECK-NEXT: 0x16 R_WEBASSEMBLY_SECTION_OFFSET_I32 .debug_line 0 138; CHECK-NEXT: 0x1A R_WEBASSEMBLY_SECTION_OFFSET_I32 .debug_str 62 139; CHECK-NEXT: 0x1E R_WEBASSEMBLY_FUNCTION_OFFSET_I32 f2 0 140; CHECK-NEXT: 0x27 R_WEBASSEMBLY_SECTION_OFFSET_I32 .debug_str 105 141; CHECK-NEXT: 0x33 R_WEBASSEMBLY_MEMORY_ADDR_I32 foo 0 142; CHECK-NEXT: 0x3D R_WEBASSEMBLY_SECTION_OFFSET_I32 .debug_str 109 143; CHECK-NEXT: 0x44 R_WEBASSEMBLY_SECTION_OFFSET_I32 .debug_str 113 144; CHECK-NEXT: 0x50 R_WEBASSEMBLY_MEMORY_ADDR_I32 ptr2 0 145; CHECK-NEXT: 0x5B R_WEBASSEMBLY_FUNCTION_OFFSET_I32 f2 0 146; CHECK-NEXT: 0x63 R_WEBASSEMBLY_SECTION_OFFSET_I32 .debug_str 118 147; CHECK-NEXT: } 148; CHECK-NEXT: Section (11) .debug_pubnames { 149; CHECK-NEXT: 0x6 R_WEBASSEMBLY_SECTION_OFFSET_I32 .debug_info 0 150; CHECK-NEXT: } 151; CHECK-NEXT: Section (12) .debug_pubtypes { 152; CHECK-NEXT: 0x6 R_WEBASSEMBLY_SECTION_OFFSET_I32 .debug_info 0 153; CHECK-NEXT: } 154; CHECK-NEXT: Section (13) .debug_line { 155; CHECK-NEXT: 0x2B R_WEBASSEMBLY_FUNCTION_OFFSET_I32 f2 0 156; CHECK-NEXT: } 157; CHECK-NEXT:] 158; CHECK-NEXT:Symbols [ 159; CHECK-NEXT: Symbol { 160; CHECK-NEXT: Name: f2 161; CHECK-NEXT: Type: FUNCTION (0x0) 162; CHECK-NEXT: Flags: 0x4 163; CHECK-NEXT: } 164; CHECK-NEXT: Symbol { 165; CHECK-NEXT: Name: foo 166; CHECK-NEXT: Type: DATA (0x1) 167; CHECK-NEXT: Flags: 0x4 168; CHECK-NEXT: } 169; CHECK-NEXT: Symbol { 170; CHECK-NEXT: Name: myextern 171; CHECK-NEXT: Type: DATA (0x1) 172; CHECK-NEXT: Flags: 0x10 173; CHECK-NEXT: } 174; CHECK-NEXT: Symbol { 175; CHECK-NEXT: Name: ptr2 176; CHECK-NEXT: Type: DATA (0x1) 177; CHECK-NEXT: Flags: 0x4 178; CHECK-NEXT: } 179; CHECK-NEXT: Symbol { 180; CHECK-NEXT: Name: .debug_str 181; CHECK-NEXT: Type: SECTION (0x3) 182; CHECK-NEXT: Flags: 0x2 183; CHECK-NEXT: } 184; CHECK-NEXT: Symbol { 185; CHECK-NEXT: Name: .debug_abbrev 186; CHECK-NEXT: Type: SECTION (0x3) 187; CHECK-NEXT: Flags: 0x2 188; CHECK-NEXT: } 189; CHECK-NEXT: Symbol { 190; CHECK-NEXT: Name: .debug_info 191; CHECK-NEXT: Type: SECTION (0x3) 192; CHECK-NEXT: Flags: 0x2 193; CHECK-NEXT: } 194; CHECK-NEXT: Symbol { 195; CHECK-NEXT: Name: .debug_line 196; CHECK-NEXT: Type: SECTION (0x3) 197; CHECK-NEXT: Flags: 0x2 198; CHECK-NEXT: } 199; CHECK-NEXT:] 200 201; generated from the following C code using: clang --target=wasm32 -g -O0 -S -emit-llvm test.c 202; extern int myextern; 203; void f2(void) { return; } 204; 205; int* foo = &myextern; 206; void (*ptr2)(void) = f2; 207 208target triple = "wasm32-unknown-unknown" 209 210source_filename = "test.c" 211 212@myextern = external global i32, align 4 213@foo = hidden global i32* @myextern, align 4, !dbg !0 214@ptr2 = hidden global void ()* @f2, align 4, !dbg !6 215 216; Function Attrs: noinline nounwind optnone 217define hidden void @f2() #0 !dbg !17 { 218entry: 219 ret void, !dbg !18 220} 221 222attributes #0 = { noinline nounwind optnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "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" } 223 224!llvm.dbg.cu = !{!2} 225!llvm.module.flags = !{!13, !14, !15} 226!llvm.ident = !{!16} 227 228!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 229!1 = distinct !DIGlobalVariable(name: "foo", scope: !2, file: !3, line: 4, type: !11, isLocal: false, isDefinition: true) 230!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) 231!3 = !DIFile(filename: "test.c", directory: "/usr/local/google/home/sbc/dev/wasm/simple") 232!4 = !{} 233!5 = !{!0, !6} 234!6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression()) 235!7 = distinct !DIGlobalVariable(name: "ptr2", scope: !2, file: !3, line: 5, type: !8, isLocal: false, isDefinition: true) 236!8 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !9, size: 32) 237!9 = !DISubroutineType(types: !10) 238!10 = !{null} 239!11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 32) 240!12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 241!13 = !{i32 2, !"Dwarf Version", i32 4} 242!14 = !{i32 2, !"Debug Info Version", i32 3} 243!15 = !{i32 1, !"wchar_size", i32 4} 244!16 = !{!"clang version 7.0.0 (trunk 332303) (llvm/trunk 332406)"} 245!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) 246!18 = !DILocation(line: 2, column: 17, scope: !17) 247