1 ; RUN: llc -split-dwarf=Enable -O0 %s -mtriple=x86_64-unknown-linux-gnu -filetype=obj -o %t 2 ; RUN: llvm-dwarfdump -debug-dump=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 @a = common global i32 0, align 4 7 8 !llvm.dbg.cu = !{!0} 9 !llvm.module.flags = !{!9} 10 11 !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.3 (trunk 169021) (llvm/trunk 169020)", isOptimized: false, splitDebugFilename: "baz.dwo", emissionKind: FullDebug, file: !8, enums: !1, retainedTypes: !1, globals: !3, imports: !1) 12 !1 = !{} 13 !3 = !{!5} 14 !5 = !DIGlobalVariable(name: "a", line: 1, isLocal: false, isDefinition: true, scope: null, file: !6, type: !7, variable: i32* @a) 15 !6 = !DIFile(filename: "baz.c", directory: "/usr/local/google/home/echristo/tmp") 16 !7 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 17 !8 = !DIFile(filename: "baz.c", directory: "/usr/local/google/home/echristo/tmp") 18 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_GNU_dwo_name DW_FORM_strp 29 ; CHECK: DW_AT_comp_dir 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_GNU_dwo_name DW_FORM_GNU_str_index 37 ; CHECK: DW_AT_producer DW_FORM_GNU_str_index 38 ; CHECK: DW_AT_language DW_FORM_data2 39 ; CHECK: DW_AT_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_GNU_dwo_name [DW_FORM_strp] ( .debug_str[0x00000000] = "baz.dwo") 62 ; CHECK-NEXT: DW_AT_comp_dir [DW_FORM_strp] ( .debug_str[0x00000008] = "/usr/local/google/home/echristo/tmp") 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_GNU_dwo_name [DW_FORM_GNU_str_index] ( indexed (00000000) string = "baz.dwo") 69 ; CHECK: DW_AT_producer [DW_FORM_GNU_str_index] ( indexed (00000001) string = "clang version 3.3 (trunk 169021) (llvm/trunk 169020)") 70 ; CHECK: DW_AT_language [DW_FORM_data2] (DW_LANG_C99) 71 ; CHECK: DW_AT_name [DW_FORM_GNU_str_index] ( indexed (00000002) string = "baz.c") 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 (00000003) 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] (<0x2> fb 00 ) 83 ; CHECK: [[TYPE]]: DW_TAG_base_type 84 ; CHECK: DW_AT_name [DW_FORM_GNU_str_index] ( indexed (00000004) string = "int") 85 86 ; CHECK: .debug_str contents: 87 ; CHECK: 0x00000000: "baz.dwo" 88 ; CHECK: 0x00000008: "/usr/local/google/home/echristo/tmp" 89 90 ; CHECK: .debug_str.dwo contents: 91 ; CHECK: 0x00000000: "baz.dwo" 92 ; CHECK: 0x00000008: "clang version 3.3 (trunk 169021) (llvm/trunk 169020)" 93 ; CHECK: 0x0000003d: "baz.c" 94 ; CHECK: 0x00000043: "a" 95 ; CHECK: 0x00000045: "int" 96 97 ; CHECK: .debug_str_offsets.dwo contents: 98 ; CHECK: 0x00000000: 00000000 99 ; CHECK: 0x00000004: 00000008 100 ; CHECK: 0x00000008: 0000003d 101 ; CHECK: 0x0000000c: 00000043 102 ; CHECK: 0x00000010: 00000045 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 !9 = !{i32 1, !"Debug Info Version", i32 3} 119
