1; RUN: llc -split-dwarf-file=baz.dwo -O0 %s -mtriple=x86_64-unknown-linux-gnu -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 6source_filename = "test/DebugInfo/X86/fission-cu.ll" 7 8@a = common global i32 0, align 4, !dbg !0 9 10!llvm.dbg.cu = !{!4} 11!llvm.module.flags = !{!7} 12 13!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 14!1 = !DIGlobalVariable(name: "a", scope: null, file: !2, line: 1, type: !3, isLocal: false, isDefinition: true) 15!2 = !DIFile(filename: "baz.c", directory: "/usr/local/google/home/echristo/tmp") 16!3 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 17!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) 18!5 = !{} 19; Check that the skeleton compile unit contains the proper attributes: 20; This DIE has the following attributes: DW_AT_comp_dir, DW_AT_stmt_list, 21; DW_AT_low_pc, DW_AT_high_pc, DW_AT_ranges, DW_AT_dwo_name, DW_AT_dwo_id, 22; DW_AT_ranges_base, DW_AT_addr_base. 23 24; CHECK: .debug_abbrev contents: 25; CHECK: Abbrev table for offset: 0x00000000 26; CHECK: [1] DW_TAG_compile_unit DW_CHILDREN_no 27; CHECK: DW_AT_stmt_list DW_FORM_sec_offset 28; CHECK: DW_AT_comp_dir DW_FORM_strp 29; CHECK: DW_AT_GNU_dwo_name DW_FORM_strp 30; CHECK: DW_AT_GNU_dwo_id DW_FORM_data8 31 32; Check that we're using the right forms. 33; CHECK: .debug_abbrev.dwo contents: 34; CHECK: Abbrev table for offset: 0x00000000 35; CHECK: [1] DW_TAG_compile_unit DW_CHILDREN_yes 36; CHECK: DW_AT_producer DW_FORM_GNU_str_index 37; CHECK: DW_AT_language DW_FORM_data2 38; CHECK: DW_AT_name DW_FORM_GNU_str_index 39; CHECK: DW_AT_GNU_dwo_name DW_FORM_GNU_str_index 40; CHECK-NOT: DW_AT_low_pc 41; CHECK-NOT: DW_AT_stmt_list 42; CHECK-NOT: DW_AT_comp_dir 43; CHECK: DW_AT_GNU_dwo_id DW_FORM_data8 44 45; CHECK: [2] DW_TAG_variable DW_CHILDREN_no 46; CHECK: DW_AT_name DW_FORM_GNU_str_index 47; CHECK: DW_AT_type DW_FORM_ref4 48; CHECK: DW_AT_external DW_FORM_flag_present 49; CHECK: DW_AT_decl_file DW_FORM_data1 50; CHECK: DW_AT_decl_line DW_FORM_data1 51; CHECK: DW_AT_location DW_FORM_exprloc 52 53; CHECK: [3] DW_TAG_base_type DW_CHILDREN_no 54; CHECK: DW_AT_name DW_FORM_GNU_str_index 55; CHECK: DW_AT_encoding DW_FORM_data1 56; CHECK: DW_AT_byte_size DW_FORM_data1 57 58; CHECK: .debug_info contents: 59; CHECK: DW_TAG_compile_unit 60; CHECK-NEXT: DW_AT_stmt_list [DW_FORM_sec_offset] (0x00000000) 61; CHECK-NEXT: DW_AT_comp_dir [DW_FORM_strp] ( .debug_str[0x00000000] = "/usr/local/google/home/echristo/tmp") 62; CHECK-NEXT: DW_AT_GNU_dwo_name [DW_FORM_strp] ( .debug_str[0x00000024] = "baz.dwo") 63; CHECK-NEXT: DW_AT_GNU_dwo_id [DW_FORM_data8] (0x1f1f859683d49324) 64 65; Check that the rest of the compile units have information. 66; CHECK: .debug_info.dwo contents: 67; CHECK: DW_TAG_compile_unit 68; CHECK: DW_AT_producer [DW_FORM_GNU_str_index] (indexed (00000002) string = "clang version 3.3 (trunk 169021) (llvm/trunk 169020)") 69; CHECK: DW_AT_language [DW_FORM_data2] (DW_LANG_C99) 70; CHECK: DW_AT_name [DW_FORM_GNU_str_index] (indexed (00000003) string = "baz.c") 71; CHECK: DW_AT_GNU_dwo_name [DW_FORM_GNU_str_index] (indexed (00000004) string = "baz.dwo") 72; CHECK-NOT: DW_AT_low_pc 73; CHECK-NOT: DW_AT_stmt_list 74; CHECK-NOT: DW_AT_comp_dir 75; CHECK: DW_AT_GNU_dwo_id [DW_FORM_data8] (0x1f1f859683d49324) 76; CHECK: DW_TAG_variable 77; CHECK: DW_AT_name [DW_FORM_GNU_str_index] (indexed (00000000) string = "a") 78; CHECK: DW_AT_type [DW_FORM_ref4] (cu + 0x{{[0-9a-f]*}} => {[[TYPE:0x[0-9a-f]*]]} 79; CHECK: DW_AT_external [DW_FORM_flag_present] (true) 80; CHECK: DW_AT_decl_file [DW_FORM_data1] (0x01) 81; CHECK: DW_AT_decl_line [DW_FORM_data1] (1) 82; CHECK: DW_AT_location [DW_FORM_exprloc] (DW_OP_GNU_addr_index 0x0) 83; CHECK: [[TYPE]]: DW_TAG_base_type 84; CHECK: DW_AT_name [DW_FORM_GNU_str_index] (indexed (00000001) string = "int") 85 86; CHECK: .debug_str contents: 87; CHECK: 0x00000000: "/usr/local/google/home/echristo/tmp" 88; CHECK: 0x00000024: "baz.dwo" 89 90; CHECK: .debug_str.dwo contents: 91; CHECK: 0x00000000: "a" 92; CHECK: 0x00000002: "int" 93; CHECK: 0x00000006: "clang version 3.3 (trunk 169021) (llvm/trunk 169020)" 94; CHECK: 0x0000003b: "baz.c" 95; CHECK: 0x00000041: "baz.dwo" 96 97; CHECK: .debug_str_offsets.dwo contents: 98; CHECK: 0x00000000: 00000000 99; CHECK: 0x00000004: 00000002 100; CHECK: 0x00000008: 00000006 101; CHECK: 0x0000000c: 0000003b 102; CHECK: 0x00000010: 00000041 103 104; Object file checks 105; For x86-64-linux we should have this set of relocations for the debug info section 106; 107; OBJ: .debug_info 108; OBJ-NEXT: R_X86_64_32 .debug_abbrev 109; OBJ-NEXT: R_X86_64_32 .debug_line 110; OBJ-NEXT: R_X86_64_32 .debug_str 111; OBJ-NEXT: R_X86_64_32 .debug_str 112; OBJ-NEXT: R_X86_64_32 .debug_addr 113; OBJ-NEXT: } 114 115; HDR-NOT: .debug_aranges 116; HDR-NOT: .rela.{{.*}}.dwo 117 118!6 = !{!0} 119!7 = !{i32 1, !"Debug Info Version", i32 3} 120