# RUN: llvm-mc -triple x86_64-unknown-linux %s -filetype=obj -o %t.o # RUN: llvm-dwarfdump -v %t.o 2> %t.err | FileCheck --check-prefix=COMMON --check-prefix=SPLIT %s # # Check that we don't report an error on a non-existent range list table. # RUN: FileCheck -allow-empty --check-prefix ERR %s < %t.err # Test object to verify dwarfdump handles v5 string offset tables. # We have 2 v5 CUs, a v5 TU, and a split v5 CU and TU. # .section .debug_str,"MS",@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_TU: .asciz "Type_Unit" str_TU_type: .asciz "MyStruct" str_Subprogram: .asciz "MyFunc" str_Variable1: .asciz "MyVar1" str_Variable2: .asciz "MyVar2" str_Variable3: .asciz "MyVar3" # Every unit contributes to the string_offsets table. .section .debug_str_offsets,"",@progbits # CU1's contribution .long .debug_str_offsets_segment0_end-.debug_str_offsets_base0+4 .short 5 # DWARF version .short 0 # Padding .debug_str_offsets_base0: .long str_producer .long str_CU1 .long str_CU1_dir .long str_Subprogram .long str_Variable1 .long str_Variable2 .long str_Variable3 .debug_str_offsets_segment0_end: # A 4-byte gap. .long 0 # CU2's contribution in DWARF64 format .long 0xffffffff .quad .debug_str_offsets_segment1_end-.debug_str_offsets_base1+4 .short 5 # DWARF version .short 0 # Padding .debug_str_offsets_base1: .quad str_producer .quad str_CU2 .quad str_CU2_dir .debug_str_offsets_segment1_end: # The TU's contribution .long .debug_str_offsets_segment2_end-.debug_str_offsets_base2+4 .short 5 # DWARF version .short 0 # Padding .debug_str_offsets_base2: .long str_TU .long str_TU_type .debug_str_offsets_segment2_end: .section .debug_str.dwo,"MS",@progbits,1 dwo_str_CU_5_producer: .asciz "Handmade split DWARF producer" dwo_str_CU_5_name: .asciz "V5_split_compile_unit" dwo_str_CU_5_comp_dir: .asciz "/home/test/splitCU" dwo_str_TU_5: .asciz "V5_split_type_unit" dwo_str_TU_5_type: .asciz "V5_split_Mystruct" .section .debug_str_offsets.dwo,"",@progbits # One contribution only in a .dwo file .long .debug_dwo_str_offsets_segment0_end-.debug_dwo_str_offsets_base0+4 .short 5 # DWARF version .short 0 # Padding .debug_dwo_str_offsets_base0: .long dwo_str_CU_5_producer-.debug_str.dwo .long dwo_str_CU_5_name-.debug_str.dwo .long dwo_str_CU_5_comp_dir-.debug_str.dwo .long dwo_str_TU_5-.debug_str.dwo .long dwo_str_TU_5_type-.debug_str.dwo .debug_dwo_str_offsets_segment0_end: # All CUs/TUs use the same abbrev section for simplicity. .section .debug_abbrev,"",@progbits .byte 0x01 # Abbrev code .byte 0x11 # DW_TAG_compile_unit .byte 0x01 # DW_CHILDREN_yes .byte 0x25 # DW_AT_producer .byte 0x1a # DW_FORM_strx .byte 0x03 # DW_AT_name .byte 0x1a # DW_FORM_strx .byte 0x72 # DW_AT_str_offsets_base .byte 0x17 # DW_FORM_sec_offset .byte 0x1b # DW_AT_comp_dir .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 0x72 # DW_AT_str_offsets_base .byte 0x17 # DW_FORM_sec_offset .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 0x2e # DW_TAG_subprogram .byte 0x01 # DW_CHILDREN_yes .byte 0x03 # DW_AT_name .byte 0x25 # DW_FORM_strx1 .byte 0x00 # EOM(1) .byte 0x00 # EOM(2) .byte 0x05 # Abbrev code .byte 0x34 # DW_TAG_variable .byte 0x00 # DW_CHILDREN_no .byte 0x03 # DW_AT_name .byte 0x26 # DW_FORM_strx2 .byte 0x00 # EOM(1) .byte 0x00 # EOM(2) .byte 0x06 # Abbrev code .byte 0x34 # DW_TAG_variable .byte 0x00 # DW_CHILDREN_no .byte 0x03 # DW_AT_name .byte 0x27 # DW_FORM_strx3 .byte 0x00 # EOM(1) .byte 0x00 # EOM(2) .byte 0x07 # Abbrev code .byte 0x34 # DW_TAG_variable .byte 0x00 # DW_CHILDREN_no .byte 0x03 # DW_AT_name .byte 0x28 # DW_FORM_strx4 .byte 0x00 # EOM(1) .byte 0x00 # EOM(2) .byte 0x00 # EOM(3) # And a .dwo copy of a subset for the .dwo sections. .section .debug_abbrev.dwo,"",@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 0x1b # DW_AT_comp_dir .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 0x00 # EOM(3) .section .debug_info,"",@progbits # DWARF v5 CU header. .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 # Offset Into Abbrev. Section # The compile-unit DIE, which has a DW_AT_producer, DW_AT_name, # DW_AT_str_offsets 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 .long .debug_str_offsets_base0 .byte 2 # The index of the comp dir string # A subprogram DIE with DW_AT_name, using DW_FORM_strx1. .byte 4 # Abbreviation code .byte 3 # Subprogram name string (DW_FORM_strx1) # A variable DIE with DW_AT_name, using DW_FORM_strx2. .byte 5 # Abbreviation code .short 0x0004 # Subprogram name string (DW_FORM_strx2) # A variable DIE with DW_AT_name, using DW_FORM_strx3. .byte 6 # Abbreviation code .byte 5 # Subprogram name string (DW_FORM_strx3) .short 0 # Subprogram name string (DW_FORM_strx3) # A variable DIE with DW_AT_name, using DW_FORM_strx4. .byte 7 # Abbreviation code .quad 0x00000006 # Subprogram name string (DW_FORM_strx4) .byte 0 # NULL .byte 0 # NULL .byte 0 # NULL CU1_5_end: # DWARF v5 CU header .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 # Offset Into Abbrev. Section # The compile-unit DIE, which has a DW_AT_producer, DW_AT_name, # DW_AT_str_offsets 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 .long .debug_str_offsets_base1 .byte 2 # The index of the comp dir string .byte 0 # NULL CU2_5_end: .section .debug_types,"",@progbits # DWARF v5 Type unit header. TU_5_start: .long TU_5_end-TU_5_version # Length of Unit TU_5_version: .short 5 # DWARF version number .byte 2 # DWARF Unit Type .byte 8 # Address Size (in bytes) .long .debug_abbrev # Offset Into Abbrev. Section .quad 0x0011223344556677 # Type Signature .long TU_5_type-TU_5_start # Type offset # The type-unit DIE, which has a name. .byte 2 # Abbreviation code .byte 0 # Index of the unit type name string .long .debug_str_offsets_base2 # offset into the str_offsets section # The type DIE, which has a name. TU_5_type: .byte 3 # Abbreviation code .byte 1 # Index of the type name string .byte 0 # NULL .byte 0 # NULL TU_5_end: .section .debug_info.dwo,"",@progbits # DWARF v5 split CU header. .long CU_split_5_end-CU_split_5_version # Length of Unit CU_split_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, # DW_AT_str_offsets 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 CU_split_5_end: .section .debug_types.dwo,"",@progbits # DWARF v5 split type unit header. TU_split_5_start: .long TU_split_5_end-TU_split_5_version # Length of Unit TU_split_5_version: .short 5 # DWARF version number .byte 6 # DWARF Unit Type .byte 8 # Address Size (in bytes) .long .debug_abbrev.dwo # Offset Into Abbrev Section .quad 0x8899aabbccddeeff # Type Signature .long TU_split_5_type-TU_split_5_start # Type offset # The type-unit DIE, which has a name. .byte 2 # Abbreviation code .byte 3 # The index of the type unit name string # The type DIE, which has a name. TU_split_5_type: .byte 3 # Abbreviation code .byte 4 # The index of the type name string .byte 0 # NULL .byte 0 # NULL TU_split_5_end: # We are using a hand-constructed object file and are interest in the correct # diplay of the DW_str_offsetsbase attribute, the correct display of strings # and the dump of the .debug_str_offsets[.dwo] table. # Abbreviation for DW_AT_str_offsets_base # COMMON: .debug_abbrev contents: # COMMON-NOT: contents: # COMMON: DW_TAG_compile_unit # COMMON-NOT: DW_TAG # COMMON: DW_AT_str_offsets_base DW_FORM_sec_offset # # Verify that strings are displayed correctly as indexed strings # COMMON: .debug_info contents: # COMMON-NOT: contents: # COMMON: DW_TAG_compile_unit # COMMON-NEXT: DW_AT_producer [DW_FORM_strx] ( indexed (00000000) string = "Handmade DWARF producer") # COMMON-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000001) string = "Compile_Unit_1") # COMMON-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x00000008) # COMMON-NEXT: DW_AT_comp_dir [DW_FORM_strx] ( indexed (00000002) string = "/home/test/CU1") # COMMON-NOT: NULL # COMMON: DW_TAG_subprogram # COMMON-NEXT: DW_AT_name [DW_FORM_strx1] ( indexed (00000003) string = "MyFunc") # COMMON-NOT: NULL # COMMON: DW_TAG_variable # COMMON-NEXT: DW_AT_name [DW_FORM_strx2] ( indexed (00000004) string = "MyVar1") # COMMON-NOT: NULL # COMMON: DW_TAG_variable # COMMON-NEXT: DW_AT_name [DW_FORM_strx3] ( indexed (00000005) string = "MyVar2") # COMMON-NOT: NULL # COMMON: DW_TAG_variable # COMMON-NEXT: DW_AT_name [DW_FORM_strx4] ( indexed (00000006) string = "MyVar3") # # Second compile unit (b.cpp) # COMMON: DW_TAG_compile_unit # COMMON-NEXT: DW_AT_producer [DW_FORM_strx] ( indexed (00000000) string = "Handmade DWARF producer") # COMMON-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000001) string = "Compile_Unit_2") # COMMON-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x00000038) # COMMON-NEXT: DW_AT_comp_dir [DW_FORM_strx] ( indexed (00000002) string = "/home/test/CU2") # # The split CU # SPLIT: .debug_info.dwo contents: # SPLIT-NOT: contents: # SPLIT: DW_TAG_compile_unit # SPLIT-NEXT: DW_AT_producer [DW_FORM_strx] ( indexed (00000000) string = "Handmade split DWARF producer") # SPLIT-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000001) string = "V5_split_compile_unit") # SPLIT-NEXT: DW_AT_comp_dir [DW_FORM_strx] ( indexed (00000002) string = "/home/test/splitCU") # # The type unit # COMMON: .debug_types contents: # COMMON: DW_TAG_type_unit # COMMON-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000000) string = "Type_Unit") # COMMON: DW_TAG_structure_type # COMMON-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000001) string = "MyStruct") # # The split type unit # SPLIT: .debug_types.dwo contents: # SPLIT: DW_TAG_type_unit # SPLIT-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000003) string = "V5_split_type_unit") # SPLIT: DW_TAG_structure_type # SPLIT-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000004) string = "V5_split_Mystruct") # # The .debug_str_offsets section # COMMON: .debug_str_offsets contents: # COMMON-NEXT: 0x00000000: Contribution size = 32, Format = DWARF32, Version = 5 # COMMON-NEXT: 0x00000008: 00000000 "Handmade DWARF producer" # COMMON-NEXT: 0x0000000c: 00000018 "Compile_Unit_1" # COMMON-NEXT: 0x00000010: 00000027 "/home/test/CU1" # COMMON-NEXT: 0x00000014: 00000067 "MyFunc" # COMMON-NEXT: 0x00000018: 0000006e "MyVar1" # COMMON-NEXT: 0x0000001c: 00000075 "MyVar2" # COMMON-NEXT: 0x00000020: 0000007c "MyVar3" # COMMON-NEXT: Gap, length = 4 # COMMON-NEXT: 0x00000028: Contribution size = 28, Format = DWARF64, Version = 5 # COMMON-NEXT: 0x00000038: 00000000 "Handmade DWARF producer" # COMMON-NEXT: 0x00000040: 00000036 "Compile_Unit_2" # COMMON-NEXT: 0x00000048: 00000045 "/home/test/CU2" # COMMON-NEXT: 0x00000050: Contribution size = 12, Format = DWARF32, Version = 5 # COMMON-NEXT: 0x00000058: 00000054 "Type_Unit" # COMMON-NEXT: 0x0000005c: 0000005e "MyStruct" # # SPLIT: .debug_str_offsets.dwo contents: # SPLIT-NEXT: 0x00000000: Contribution size = 24, Format = DWARF32, Version = 5 # SPLIT-NEXT: 0x00000008: 00000000 "Handmade split DWARF producer" # SPLIT-NEXT: 0x0000000c: 0000001e "V5_split_compile_unit" # SPLIT-NEXT: 0x00000010: 00000034 "/home/test/splitCU" # SPLIT-NEXT: 0x00000014: 00000047 "V5_split_type_unit" # SPLIT-NEXT: 0x00000018: 0000005a "V5_split_Mystruct" # ERR-NOT: parsing a range list table: