| ; RUN: llc -split-dwarf=Enable -O0 %s -mtriple=x86_64-unknown-linux-gnu -filetype=obj -o %t |
| ; RUN: llvm-dwarfdump -debug-dump=all %t | FileCheck %s |
| ; RUN: llvm-readobj --relocations %t | FileCheck --check-prefix=OBJ %s |
| ; RUN: llvm-objdump -h %t | FileCheck --check-prefix=HDR %s |
| |
| @a = common global i32 0, align 4 |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!9} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.3 (trunk 169021) (llvm/trunk 169020)", isOptimized: false, splitDebugFilename: "baz.dwo", emissionKind: 0, file: !8, enums: !1, retainedTypes: !1, subprograms: !1, globals: !3, imports: !1) |
| !1 = !{} |
| !3 = !{!5} |
| !5 = !DIGlobalVariable(name: "a", line: 1, isLocal: false, isDefinition: true, scope: null, file: !6, type: !7, variable: i32* @a) |
| !6 = !DIFile(filename: "baz.c", directory: "/usr/local/google/home/echristo/tmp") |
| !7 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) |
| !8 = !DIFile(filename: "baz.c", directory: "/usr/local/google/home/echristo/tmp") |
| |
| ; Check that the skeleton compile unit contains the proper attributes: |
| ; This DIE has the following attributes: DW_AT_comp_dir, DW_AT_stmt_list, |
| ; DW_AT_low_pc, DW_AT_high_pc, DW_AT_ranges, DW_AT_dwo_name, DW_AT_dwo_id, |
| ; DW_AT_ranges_base, DW_AT_addr_base. |
| |
| ; CHECK: .debug_abbrev contents: |
| ; CHECK: Abbrev table for offset: 0x00000000 |
| ; CHECK: [1] DW_TAG_compile_unit DW_CHILDREN_no |
| ; CHECK: DW_AT_stmt_list DW_FORM_sec_offset |
| ; CHECK: DW_AT_GNU_dwo_name DW_FORM_strp |
| ; CHECK: DW_AT_comp_dir DW_FORM_strp |
| ; CHECK: DW_AT_GNU_dwo_id DW_FORM_data8 |
| |
| ; Check that we're using the right forms. |
| ; CHECK: .debug_abbrev.dwo contents: |
| ; CHECK: Abbrev table for offset: 0x00000000 |
| ; CHECK: [1] DW_TAG_compile_unit DW_CHILDREN_yes |
| ; CHECK: DW_AT_producer DW_FORM_GNU_str_index |
| ; CHECK: DW_AT_language DW_FORM_data2 |
| ; CHECK: DW_AT_name DW_FORM_GNU_str_index |
| ; CHECK-NOT: DW_AT_low_pc |
| ; CHECK-NOT: DW_AT_stmt_list |
| ; CHECK-NOT: DW_AT_comp_dir |
| ; CHECK: DW_AT_GNU_dwo_id DW_FORM_data8 |
| |
| ; CHECK: [2] DW_TAG_variable DW_CHILDREN_no |
| ; CHECK: DW_AT_name DW_FORM_GNU_str_index |
| ; CHECK: DW_AT_type DW_FORM_ref4 |
| ; CHECK: DW_AT_external DW_FORM_flag_present |
| ; CHECK: DW_AT_decl_file DW_FORM_data1 |
| ; CHECK: DW_AT_decl_line DW_FORM_data1 |
| ; CHECK: DW_AT_location DW_FORM_exprloc |
| |
| ; CHECK: [3] DW_TAG_base_type DW_CHILDREN_no |
| ; CHECK: DW_AT_name DW_FORM_GNU_str_index |
| ; CHECK: DW_AT_encoding DW_FORM_data1 |
| ; CHECK: DW_AT_byte_size DW_FORM_data1 |
| |
| ; CHECK: .debug_info contents: |
| ; CHECK: DW_TAG_compile_unit |
| ; CHECK-NEXT: DW_AT_stmt_list [DW_FORM_sec_offset] (0x00000000) |
| ; CHECK-NEXT: DW_AT_GNU_dwo_name [DW_FORM_strp] ( .debug_str[0x00000000] = "baz.dwo") |
| ; CHECK-NEXT: DW_AT_comp_dir [DW_FORM_strp] ( .debug_str[0x00000008] = "/usr/local/google/home/echristo/tmp") |
| ; CHECK-NEXT: DW_AT_GNU_dwo_id [DW_FORM_data8] (0x1f1f859683d49324) |
| |
| ; Check that the rest of the compile units have information. |
| ; CHECK: .debug_info.dwo contents: |
| ; CHECK: DW_TAG_compile_unit |
| ; CHECK: DW_AT_producer [DW_FORM_GNU_str_index] ( indexed (00000000) string = "clang version 3.3 (trunk 169021) (llvm/trunk 169020)") |
| ; CHECK: DW_AT_language [DW_FORM_data2] (DW_LANG_C99) |
| ; CHECK: DW_AT_name [DW_FORM_GNU_str_index] ( indexed (00000001) string = "baz.c") |
| ; CHECK-NOT: DW_AT_low_pc |
| ; CHECK-NOT: DW_AT_stmt_list |
| ; CHECK-NOT: DW_AT_comp_dir |
| ; CHECK: DW_AT_GNU_dwo_id [DW_FORM_data8] (0x1f1f859683d49324) |
| ; CHECK: DW_TAG_variable |
| ; CHECK: DW_AT_name [DW_FORM_GNU_str_index] ( indexed (00000002) string = "a") |
| ; CHECK: DW_AT_type [DW_FORM_ref4] (cu + 0x{{[0-9a-f]*}} => {[[TYPE:0x[0-9a-f]*]]}) |
| ; CHECK: DW_AT_external [DW_FORM_flag_present] (true) |
| ; CHECK: DW_AT_decl_file [DW_FORM_data1] (0x01) |
| ; CHECK: DW_AT_decl_line [DW_FORM_data1] (1) |
| ; CHECK: DW_AT_location [DW_FORM_exprloc] (<0x2> fb 00 ) |
| ; CHECK: [[TYPE]]: DW_TAG_base_type |
| ; CHECK: DW_AT_name [DW_FORM_GNU_str_index] ( indexed (00000003) string = "int") |
| |
| ; CHECK: .debug_str contents: |
| ; CHECK: 0x00000000: "baz.dwo" |
| ; CHECK: 0x00000008: "/usr/local/google/home/echristo/tmp" |
| |
| ; CHECK: .debug_str.dwo contents: |
| ; CHECK: 0x00000000: "clang version 3.3 (trunk 169021) (llvm/trunk 169020)" |
| ; CHECK: 0x00000035: "baz.c" |
| ; CHECK: 0x0000003b: "a" |
| ; CHECK: 0x0000003d: "int" |
| |
| ; CHECK: .debug_str_offsets.dwo contents: |
| ; CHECK: 0x00000000: 00000000 |
| ; CHECK: 0x00000004: 00000035 |
| ; CHECK: 0x00000008: 0000003b |
| ; CHECK: 0x0000000c: 0000003d |
| |
| ; Object file checks |
| ; For x86-64-linux we should have this set of relocations for the debug info section |
| ; |
| ; OBJ: .debug_info |
| ; OBJ-NEXT: R_X86_64_32 .debug_abbrev |
| ; OBJ-NEXT: R_X86_64_32 .debug_line |
| ; OBJ-NEXT: R_X86_64_32 .debug_str |
| ; OBJ-NEXT: R_X86_64_32 .debug_str |
| ; OBJ-NEXT: R_X86_64_32 .debug_addr |
| ; OBJ-NEXT: } |
| |
| ; HDR-NOT: .debug_aranges |
| ; HDR-NOT: .rela.{{.*}}.dwo |
| |
| !9 = !{i32 1, !"Debug Info Version", i32 3} |