1; RUN: llc -split-dwarf-file=baz.dwo -O0 %s -mtriple=wasm32-unknown-unknown -filetype=obj -o %t 2; RUN: llvm-dwarfdump -v -all %t | FileCheck %s 3; RUN: llvm-readobj --relocations %t | FileCheck --check-prefix=OBJ %s 4; RUN: llvm-objdump -h %t | FileCheck --check-prefix=HDR %s 5 6; This test is derived from test/DebugInfo/X86/fission-cu.ll 7 8source_filename = "test/DebugInfo/WebAssembly/fission-cu.ll" 9 10@a = global i32 0, align 4, !dbg !0 11 12!llvm.dbg.cu = !{!4} 13!llvm.module.flags = !{!7} 14 15!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 16!1 = !DIGlobalVariable(name: "a", scope: null, file: !2, line: 1, type: !3, isLocal: false, isDefinition: true) 17!2 = !DIFile(filename: "baz.c", directory: "/usr/local/google/home/echristo/tmp") 18!3 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 19!4 = distinct !DICompileUnit(language: DW_LANG_C99, file: !2, producer: "clang version 3.3 (trunk 169021) (llvm/trunk 169020)", isOptimized: false, runtimeVersion: 0, splitDebugFilename: "baz.dwo", emissionKind: FullDebug, enums: !5, retainedTypes: !5, globals: !6, imports: !5) 20!5 = !{} 21; Check that the skeleton compile unit contains the proper attributes: 22; This DIE has the following attributes: DW_AT_comp_dir, DW_AT_stmt_list, 23; DW_AT_low_pc, DW_AT_high_pc, DW_AT_ranges, DW_AT_dwo_name, DW_AT_dwo_id, 24; DW_AT_ranges_base, DW_AT_addr_base. 25 26; CHECK: .debug_abbrev contents: 27; CHECK: Abbrev table for offset: 0x00000000 28; CHECK: [1] DW_TAG_compile_unit DW_CHILDREN_no 29; CHECK: DW_AT_stmt_list DW_FORM_sec_offset 30; CHECK: DW_AT_comp_dir DW_FORM_strp 31; CHECK: DW_AT_GNU_dwo_name DW_FORM_strp 32; CHECK: DW_AT_GNU_dwo_id DW_FORM_data8 33 34; Check that we're using the right forms. 35; CHECK: .debug_abbrev.dwo contents: 36; CHECK: Abbrev table for offset: 0x00000000 37; CHECK: [1] DW_TAG_compile_unit DW_CHILDREN_yes 38; CHECK: DW_AT_producer DW_FORM_GNU_str_index 39; CHECK: DW_AT_language DW_FORM_data2 40; CHECK: DW_AT_name DW_FORM_GNU_str_index 41; CHECK: DW_AT_GNU_dwo_name DW_FORM_GNU_str_index 42; CHECK-NOT: DW_AT_low_pc 43; CHECK-NOT: DW_AT_stmt_list 44; CHECK-NOT: DW_AT_comp_dir 45; CHECK: DW_AT_GNU_dwo_id DW_FORM_data8 46 47; CHECK: [2] DW_TAG_variable DW_CHILDREN_no 48; CHECK: DW_AT_name DW_FORM_GNU_str_index 49; CHECK: DW_AT_type DW_FORM_ref4 50; CHECK: DW_AT_external DW_FORM_flag_present 51; CHECK: DW_AT_decl_file DW_FORM_data1 52; CHECK: DW_AT_decl_line DW_FORM_data1 53; CHECK: DW_AT_location DW_FORM_exprloc 54 55; CHECK: [3] DW_TAG_base_type DW_CHILDREN_no 56; CHECK: DW_AT_name DW_FORM_GNU_str_index 57; CHECK: DW_AT_encoding DW_FORM_data1 58; CHECK: DW_AT_byte_size DW_FORM_data1 59 60; CHECK: .debug_info contents: 61; CHECK: DW_TAG_compile_unit 62; CHECK-NEXT: DW_AT_stmt_list [DW_FORM_sec_offset] (0x00000000) 63; CHECK-NEXT: DW_AT_comp_dir [DW_FORM_strp] ( .debug_str[0x00000000] = "/usr/local/google/home/echristo/tmp") 64; CHECK-NEXT: DW_AT_GNU_dwo_name [DW_FORM_strp] ( .debug_str[0x00000024] = "baz.dwo") 65; CHECK-NEXT: DW_AT_GNU_dwo_id [DW_FORM_data8] (0x1f1f859683d49324) 66 67; Check that the rest of the compile units have information. 68; CHECK: .debug_info.dwo contents: 69; CHECK: DW_TAG_compile_unit 70; CHECK: DW_AT_producer [DW_FORM_GNU_str_index] (indexed (00000002) string = "clang version 3.3 (trunk 169021) (llvm/trunk 169020)") 71; CHECK: DW_AT_language [DW_FORM_data2] (DW_LANG_C99) 72; CHECK: DW_AT_name [DW_FORM_GNU_str_index] (indexed (00000003) string = "baz.c") 73; CHECK: DW_AT_GNU_dwo_name [DW_FORM_GNU_str_index] (indexed (00000004) string = "baz.dwo") 74; CHECK-NOT: DW_AT_low_pc 75; CHECK-NOT: DW_AT_stmt_list 76; CHECK-NOT: DW_AT_comp_dir 77; CHECK: DW_AT_GNU_dwo_id [DW_FORM_data8] (0x1f1f859683d49324) 78; CHECK: DW_TAG_variable 79; CHECK: DW_AT_name [DW_FORM_GNU_str_index] (indexed (00000000) string = "a") 80; CHECK: DW_AT_type [DW_FORM_ref4] (cu + 0x{{[0-9a-f]*}} => {[[TYPE:0x[0-9a-f]*]]} 81; CHECK: DW_AT_external [DW_FORM_flag_present] (true) 82; CHECK: DW_AT_decl_file [DW_FORM_data1] (0x01) 83; CHECK: DW_AT_decl_line [DW_FORM_data1] (1) 84; CHECK: DW_AT_location [DW_FORM_exprloc] (DW_OP_GNU_addr_index 0x0) 85; CHECK: [[TYPE]]: DW_TAG_base_type 86; CHECK: DW_AT_name [DW_FORM_GNU_str_index] (indexed (00000001) string = "int") 87 88; CHECK: .debug_str contents: 89; CHECK: 0x00000000: "/usr/local/google/home/echristo/tmp" 90; CHECK: 0x00000024: "baz.dwo" 91 92; CHECK: .debug_str.dwo contents: 93; CHECK: 0x00000000: "a" 94; CHECK: 0x00000002: "int" 95; CHECK: 0x00000006: "clang version 3.3 (trunk 169021) (llvm/trunk 169020)" 96; CHECK: 0x0000003b: "baz.c" 97; CHECK: 0x00000041: "baz.dwo" 98 99; CHECK: .debug_str_offsets.dwo contents: 100; CHECK: 0x00000000: 00000000 101; CHECK: 0x00000004: 00000002 102; CHECK: 0x00000008: 00000006 103; CHECK: 0x0000000c: 0000003b 104; CHECK: 0x00000010: 00000041 105 106; Object file checks 107; For wasm we should have this set of relocations for the debug info section 108; 109; OBJ: .debug_info 110; OBJ-NEXT: R_WASM_SECTION_OFFSET_I32 .debug_abbrev 0 111; OBJ-NEXT: R_WASM_SECTION_OFFSET_I32 .debug_line 0 112; OBJ-NEXT: R_WASM_SECTION_OFFSET_I32 .debug_str 0 113; OBJ-NEXT: R_WASM_SECTION_OFFSET_I32 .debug_str 36 114; OBJ-NEXT: R_WASM_SECTION_OFFSET_I32 .debug_addr 0 115; OBJ-NEXT: } 116 117; HDR-NOT: .debug_aranges 118; HDR-NOT: .rela.{{.*}}.dwo 119 120!6 = !{!0} 121!7 = !{i32 1, !"Debug Info Version", i32 3} 122