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 = metadata !{i32 786449, metadata !8, i32 12, metadata !"clang version 3.3 (trunk 169021) (llvm/trunk 169020)", i1 false, metadata !"", i32 0, metadata !1, metadata !1, metadata !1, metadata !3, metadata !1, metadata !"baz.dwo"} ; [ DW_TAG_compile_unit ] [/usr/local/google/home/echristo/tmp/baz.c] [DW_LANG_C99] 12 !1 = metadata !{} 13 !3 = metadata !{metadata !5} 14 !5 = metadata !{i32 786484, i32 0, null, metadata !"a", metadata !"a", metadata !"", metadata !6, i32 1, metadata !7, i32 0, i32 1, i32* @a, null} ; [ DW_TAG_variable ] [a] [line 1] [def] 15 !6 = metadata !{i32 786473, metadata !8} ; [ DW_TAG_file_type ] 16 !7 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed] 17 !8 = metadata !{metadata !"baz.c", metadata !"/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_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-NOT: DW_AT_low_pc 40 ; CHECK-NOT: DW_AT_stmt_list 41 ; CHECK-NOT: DW_AT_comp_dir 42 ; CHECK: DW_AT_GNU_dwo_id DW_FORM_data8 43 44 ; CHECK: [2] DW_TAG_variable DW_CHILDREN_no 45 ; CHECK: DW_AT_name DW_FORM_GNU_str_index 46 ; CHECK: DW_AT_type DW_FORM_ref4 47 ; CHECK: DW_AT_external DW_FORM_flag_present 48 ; CHECK: DW_AT_decl_file DW_FORM_data1 49 ; CHECK: DW_AT_decl_line DW_FORM_data1 50 ; CHECK: DW_AT_location DW_FORM_exprloc 51 52 ; CHECK: [3] DW_TAG_base_type DW_CHILDREN_no 53 ; CHECK: DW_AT_name DW_FORM_GNU_str_index 54 ; CHECK: DW_AT_encoding DW_FORM_data1 55 ; CHECK: DW_AT_byte_size DW_FORM_data1 56 57 ; CHECK: .debug_info contents: 58 ; CHECK: DW_TAG_compile_unit 59 ; CHECK-NEXT: DW_AT_stmt_list [DW_FORM_sec_offset] (0x00000000) 60 ; CHECK-NEXT: DW_AT_GNU_dwo_name [DW_FORM_strp] ( .debug_str[0x00000000] = "baz.dwo") 61 ; CHECK-NEXT: DW_AT_comp_dir [DW_FORM_strp] ( .debug_str[0x00000008] = "/usr/local/google/home/echristo/tmp") 62 ; CHECK-NEXT: DW_AT_GNU_dwo_id [DW_FORM_data8] (0x1f1f859683d49324) 63 64 ; Check that the rest of the compile units have information. 65 ; CHECK: .debug_info.dwo contents: 66 ; CHECK: DW_TAG_compile_unit 67 ; CHECK: DW_AT_producer [DW_FORM_GNU_str_index] ( indexed (00000000) string = "clang version 3.3 (trunk 169021) (llvm/trunk 169020)") 68 ; CHECK: DW_AT_language [DW_FORM_data2] (0x000c) 69 ; CHECK: DW_AT_name [DW_FORM_GNU_str_index] ( indexed (00000001) string = "baz.c") 70 ; CHECK-NOT: DW_AT_low_pc 71 ; CHECK-NOT: DW_AT_stmt_list 72 ; CHECK-NOT: DW_AT_comp_dir 73 ; CHECK: DW_AT_GNU_dwo_id [DW_FORM_data8] (0x1f1f859683d49324) 74 ; CHECK: DW_TAG_variable 75 ; CHECK: DW_AT_name [DW_FORM_GNU_str_index] ( indexed (00000002) string = "a") 76 ; CHECK: DW_AT_type [DW_FORM_ref4] (cu + 0x{{[0-9a-f]*}} => {[[TYPE:0x[0-9a-f]*]]}) 77 ; CHECK: DW_AT_external [DW_FORM_flag_present] (true) 78 ; CHECK: DW_AT_decl_file [DW_FORM_data1] (0x01) 79 ; CHECK: DW_AT_decl_line [DW_FORM_data1] (0x01) 80 ; CHECK: DW_AT_location [DW_FORM_exprloc] (<0x2> fb 00 ) 81 ; CHECK: [[TYPE]]: DW_TAG_base_type 82 ; CHECK: DW_AT_name [DW_FORM_GNU_str_index] ( indexed (00000003) string = "int") 83 84 ; CHECK: .debug_str contents: 85 ; CHECK: 0x00000000: "baz.dwo" 86 ; CHECK: 0x00000008: "/usr/local/google/home/echristo/tmp" 87 88 ; CHECK: .debug_str.dwo contents: 89 ; CHECK: 0x00000000: "clang version 3.3 (trunk 169021) (llvm/trunk 169020)" 90 ; CHECK: 0x00000035: "baz.c" 91 ; CHECK: 0x0000003b: "a" 92 ; CHECK: 0x0000003d: "int" 93 94 ; CHECK: .debug_str_offsets.dwo contents: 95 ; CHECK: 0x00000000: 00000000 96 ; CHECK: 0x00000004: 00000035 97 ; CHECK: 0x00000008: 0000003b 98 ; CHECK: 0x0000000c: 0000003d 99 100 ; Object file checks 101 ; For x86-64-linux we should have this set of relocations for the debug info section 102 ; 103 ; OBJ: .debug_info 104 ; OBJ-NEXT: R_X86_64_32 .debug_abbrev 105 ; OBJ-NEXT: R_X86_64_32 .debug_line 106 ; OBJ-NEXT: R_X86_64_32 .debug_str 107 ; OBJ-NEXT: R_X86_64_32 .debug_str 108 ; OBJ-NEXT: R_X86_64_32 .debug_addr 109 ; OBJ-NEXT: } 110 111 ; HDR-NOT: .debug_aranges 112 ; HDR-NOT: .rela.{{.*}}.dwo 113 114 !9 = metadata !{i32 1, metadata !"Debug Info Version", i32 1} 115