# RUN: llvm-mc -triple x86_64-unknown-linux %s -filetype=obj -o %t.o # RUN: llvm-dwarfdump -v %t.o | FileCheck %s # Test object to verify that dwarfdump handles dwp files with DWARF v5 string # offset tables. We have 3 CUs and 2 TUs, where it is assumed that # CU1 and TU1 came from one object file, CU2 and TU2 from a second object # file, and CU3 from a third object file that was compiled with # -gdwarf-4. # .section .debug_str.dwo,"MSe",@progbits,1 str_producer: .asciz "Handmade DWARF producer" str_CU1: .asciz "Compile_Unit_1" str_CU1_dir: .asciz "/home/test/CU1" str_CU2: .asciz "Compile_Unit_2" str_CU2_dir: .asciz "/home/test/CU2" str_TU1: .asciz "Type_Unit_1" str_TU1_type: .asciz "MyStruct_1" str_TU2: .asciz "Type_Unit_2" str_TU2_type: .asciz "MyStruct_2" str_CU3: .asciz "Compile_Unit_3" str_CU3_dir: .asciz "/home/test/CU3" .section .debug_str_offsets.dwo,"e",@progbits # Object files 1's portion of the .debug_str_offsets.dwo section. # CU1 and TU1 share a contribution to the string offsets table. .debug_str_offsets_object_file1_start: .long .debug_str_offsets_object_file1_end-.debug_str_offsets_base_1 .short 5 # DWARF version .short 0 # Padding .debug_str_offsets_base_1: .long str_producer-.debug_str.dwo .long str_CU1-.debug_str.dwo .long str_CU1_dir-.debug_str.dwo .long str_TU1-.debug_str.dwo .long str_TU1_type-.debug_str.dwo .debug_str_offsets_object_file1_end: # Object files 2's portion of the .debug_str_offsets.dwo section. # CU2 and TU2 share a contribution to the string offsets table. .debug_str_offsets_object_file2_start: .long .debug_str_offsets_object_file2_end-.debug_str_offsets_base_2 .short 5 # DWARF version .short 0 # Padding .debug_str_offsets_base_2: .long str_producer-.debug_str.dwo .long str_CU2-.debug_str.dwo .long str_CU2_dir-.debug_str.dwo .long str_TU2-.debug_str.dwo .long str_TU2_type-.debug_str.dwo .debug_str_offsets_object_file2_end: # Object files 3's portion of the .debug_str_offsets.dwo section. # This file is assumed to have been compiled with -gdwarf-4 and # therefore contains a version 4 CU and a GNU format contribution # to the .debug_str_offsets section. .debug_str_offsets_object_file3_start: .debug_str_offsets_base_3: .long str_producer-.debug_str.dwo .long str_CU3-.debug_str.dwo .long str_CU3_dir-.debug_str.dwo .debug_str_offsets_object_file3_end: # Abbrevs are shared for all compile and type units .section .debug_abbrev.dwo,"e",@progbits .byte 0x01 # Abbrev code .byte 0x11 # DW_TAG_compile_unit .byte 0x00 # DW_CHILDREN_no .byte 0x25 # DW_AT_producer .byte 0x1a # DW_FORM_strx .byte 0x03 # DW_AT_name .byte 0x1a # DW_FORM_strx .byte 0x03 # DW_AT_name .byte 0x1a # DW_FORM_strx .byte 0x00 # EOM(1) .byte 0x00 # EOM(2) .byte 0x02 # Abbrev code .byte 0x41 # DW_TAG_type_unit .byte 0x01 # DW_CHILDREN_yes .byte 0x03 # DW_AT_name .byte 0x1a # DW_FORM_strx .byte 0x00 # EOM(1) .byte 0x00 # EOM(2) .byte 0x03 # Abbrev code .byte 0x13 # DW_TAG_structure_type .byte 0x00 # DW_CHILDREN_no (no members) .byte 0x03 # DW_AT_name .byte 0x1a # DW_FORM_strx .byte 0x00 # EOM(1) .byte 0x00 # EOM(2) .byte 0x04 # Abbrev code .byte 0x11 # DW_TAG_compile_unit .byte 0x00 # DW_CHILDREN_no .byte 0x25 # DW_AT_producer .short 0x3e82 # DW_FORM_GNU_str_index .byte 0x03 # DW_AT_name .short 0x3e82 # DW_FORM_GNU_str_index .byte 0x03 # DW_AT_name .short 0x3e82 # DW_FORM_GNU_str_index .byte 0x00 # EOM(1) .byte 0x00 # EOM(2) .byte 0x00 # EOM(3) abbrev_end: .section .debug_info.dwo,"e",@progbits # DWARF v5 CU header. CU1_5_start: .long CU1_5_end-CU1_5_version # Length of Unit CU1_5_version: .short 5 # DWARF version number .byte 1 # DWARF Unit Type .byte 8 # Address Size (in bytes) .long .debug_abbrev.dwo # Offset Into Abbrev. Section # The compile-unit DIE, which has a DW_AT_producer, DW_AT_name # and DW_AT_compdir. .byte 1 # Abbreviation code .byte 0 # The index of the producer string .byte 1 # The index of the CU name string .byte 2 # The index of the comp dir string .byte 0 # NULL CU1_5_end: CU2_5_start: .long CU2_5_end-CU2_5_version # Length of Unit CU2_5_version: .short 5 # DWARF version number .byte 1 # DWARF Unit Type .byte 8 # Address Size (in bytes) .long .debug_abbrev.dwo # Offset Into Abbrev. Section # The compile-unit DIE, which has a DW_AT_producer, DW_AT_name # and DW_AT_compdir. .byte 1 # Abbreviation code .byte 0 # The index of the producer string .byte 1 # The index of the CU name string .byte 2 # The index of the comp dir string .byte 0 # NULL CU2_5_end: CU3_4_start: .long CU3_4_end-CU3_4_version # Length of Unit CU3_4_version: .short 4 # DWARF version number .long .debug_abbrev.dwo # Offset Into Abbrev. Section .byte 8 # Address Size (in bytes) # The compile-unit DIE, which has a DW_AT_producer, DW_AT_name # and DW_AT_compdir. .byte 4 # Abbreviation code .byte 0 # The index of the producer string .byte 1 # The index of the CU name string .byte 2 # The index of the comp dir string .byte 0 # NULL CU3_4_end: .section .debug_types.dwo,"e",@progbits # DWARF v5 Type unit header. TU1_5_start: .long TU1_5_end-TU1_5_version # Length of Unit TU1_5_version: .short 5 # DWARF version number .byte 2 # DWARF Unit Type .byte 8 # Address Size (in bytes) .long .debug_abbrev.dwo # Offset Into Abbrev. Section .quad 0x0011223344556677 # Type Signature .long TU1_5_type-TU1_5_start # Type offset # The type-unit DIE, which has a name. .byte 2 # Abbreviation code .byte 3 # Index of the unit type name string # The type DIE, which has a name. TU1_5_type: .byte 3 # Abbreviation code .byte 4 # Index of the type name string .byte 0 # NULL .byte 0 # NULL TU1_5_end: TU2_5_start: .long TU2_5_end-TU2_5_version # Length of Unit TU2_5_version: .short 5 # DWARF version number .byte 2 # DWARF Unit Type .byte 8 # Address Size (in bytes) .long .debug_abbrev.dwo # Offset Into Abbrev. Section .quad 0x00aabbccddeeff99 # Type Signature .long TU2_5_type-TU2_5_start # Type offset # The type-unit DIE, which has a name. .byte 2 # Abbreviation code .byte 3 # Index of the unit type name string # The type DIE, which has a name. TU2_5_type: .byte 3 # Abbreviation code .byte 4 # Index of the type name string .byte 0 # NULL .byte 0 # NULL TU2_5_end: .section .debug_cu_index,"",@progbits # The index header .long 2 # Version .long 3 # Columns of contribution matrix .long 3 # number of units .long 3 # number of hash buckets in table # The signatures for all CUs. .quad 0xddeeaaddbbaabbee # signature 1 .quad 0xff00ffeeffaaff00 # signature 2 .quad 0xf00df00df00df00d # signature 2 # The indexes for both CUs. .long 1 # index 1 .long 2 # index 2 .long 3 # index 3 # The sections to which all CUs contribute. .long 1 # DW_SECT_INFO .long 3 # DW_SECT_ABBREV .long 6 # DW_SECT_STR_OFFSETS # The starting offsets of all CU's contributions to info, # abbrev and string offsets table. .long CU1_5_start-.debug_info.dwo .long 0 .long .debug_str_offsets_object_file1_start-.debug_str_offsets.dwo .long CU2_5_start-.debug_info.dwo .long 0 .long .debug_str_offsets_object_file2_start-.debug_str_offsets.dwo .long CU3_4_start-.debug_info.dwo .long 0 .long .debug_str_offsets_object_file3_start-.debug_str_offsets.dwo # The lengths of all CU's contributions to info, abbrev and # string offsets table. .long CU1_5_end-CU1_5_start .long abbrev_end-.debug_abbrev.dwo .long .debug_str_offsets_object_file1_end-.debug_str_offsets_object_file1_start .long CU2_5_end-CU2_5_start .long abbrev_end-.debug_abbrev.dwo .long .debug_str_offsets_object_file2_end-.debug_str_offsets_object_file2_start .long CU3_4_end-CU3_4_start .long abbrev_end-.debug_abbrev.dwo .long .debug_str_offsets_object_file3_end-.debug_str_offsets_object_file3_start .section .debug_tu_index,"",@progbits # The index header .long 2 # Version .long 3 # Columns of contribution matrix .long 2 # number of units .long 2 # number of hash buckets in table # The signatures for both TUs. .quad 0xeeaaddbbaabbeedd # signature 1 .quad 0x00ffeeffaaff00ff # signature 2 # The indexes for both TUs. .long 1 # index 1 .long 2 # index 2 # The sections to which both TUs contribute. .long 2 # DW_SECT_TYPES .long 3 # DW_SECT_ABBREV .long 6 # DW_SECT_STR_OFFSETS # The starting offsets of both TU's contributions to info, # abbrev and string offsets table. .long TU1_5_start-.debug_types.dwo .long 0 .long .debug_str_offsets_object_file1_start-.debug_str_offsets.dwo .long TU2_5_start-.debug_types.dwo .long 0 .long .debug_str_offsets_object_file2_start-.debug_str_offsets.dwo # The lengths of both TU's contributions to info, abbrev and # string offsets table. .long TU1_5_end-TU1_5_start .long abbrev_end-.debug_abbrev.dwo .long .debug_str_offsets_object_file1_end-.debug_str_offsets_object_file1_start .long TU2_5_end-TU2_5_start .long abbrev_end-.debug_abbrev.dwo .long .debug_str_offsets_object_file2_end-.debug_str_offsets_object_file2_start # Verify that the correct strings from each unit are displayed and that the # index for the .debug_str_offsets section has the right values. # CHECK: Compile Unit # CHECK-NOT: NULL # CHECK: DW_TAG_compile_unit # CHECK-NEXT: DW_AT_producer [DW_FORM_strx] (indexed (00000000) string = "Handmade DWARF producer") # CHECK-NEXT: DW_AT_name [DW_FORM_strx] (indexed (00000001) string = "Compile_Unit_1") # CHECK-NEXT: DW_AT_name [DW_FORM_strx] (indexed (00000002) string = "/home/test/CU1") # CHECK-NOT: NULL # CHECK: Compile Unit # CHECK-NOT: NULL # CHECK: DW_TAG_compile_unit # CHECK-NEXT: DW_AT_producer [DW_FORM_strx] (indexed (00000000) string = "Handmade DWARF producer") # CHECK-NEXT: DW_AT_name [DW_FORM_strx] (indexed (00000001) string = "Compile_Unit_2") # CHECK-NEXT: DW_AT_name [DW_FORM_strx] (indexed (00000002) string = "/home/test/CU2") # # CHECK: Type Unit # CHECK-NOT: NULL # CHECK: DW_TAG_type_unit # CHECK-NEXT: DW_AT_name [DW_FORM_strx] (indexed (00000003) string = "Type_Unit_1") # CHECK-NOT: NULL # CHECK: DW_TAG_structure_type # CHECK-NEXT: DW_AT_name [DW_FORM_strx] (indexed (00000004) string = "MyStruct_1") # # CHECK: Type Unit # CHECK-NOT: NULL # CHECK: DW_TAG_type_unit # CHECK-NEXT: DW_AT_name [DW_FORM_strx] (indexed (00000003) string = "Type_Unit_2") # CHECK-NOT: NULL # CHECK: DW_TAG_structure_type # CHECK-NEXT: DW_AT_name [DW_FORM_strx] (indexed (00000004) string = "MyStruct_2") # Verify the correct offets of the compile and type units contributions in the # index tables. # CHECK: .debug_cu_index contents: # CHECK-NOT: contents: # CHECK: 1 0xddeeaaddbbaabbee [{{0x[0-9a-f]*, 0x[0-9a-f]*}}) [{{0x[0-9a-f]*, 0x[0-9a-f]*}}) # CHECK-SAME: [0x00000000 # CHECK-NEXT: 2 0xff00ffeeffaaff00 [{{0x[0-9a-f]*, 0x[0-9a-f]*}}) [{{0x[0-9a-f]*, 0x[0-9a-f]*}}) # CHECK-SAME: [0x0000001c # CHECK: .debug_tu_index contents: # CHECK-NOT: contents: # CHECK: 1 0xeeaaddbbaabbeedd [{{0x[0-9a-f]*, 0x[0-9a-f]*}}) [{{0x[0-9a-f]*, 0x[0-9a-f]*}}) # CHECK-SAME: [0x00000000 # CHECK-NEXT: 2 0x00ffeeffaaff00ff [{{0x[0-9a-f]*, 0x[0-9a-f]*}}) [{{0x[0-9a-f]*, 0x[0-9a-f]*}}) # CHECK: [0x0000001c