| # Check address lookup works correctly in the presence of type units. |
| # Specifically check that we don't use the line table pointed to by the |
| # DW_AT_stmt_list of the type unit (which used only for the file names) to |
| # compute address range for the type unit as type units don't describe any |
| # addresses. The addresses should always resolve to the relevant compile units. |
| |
| # REQUIRES: lld, x86 |
| |
| # RUN: llvm-mc -dwarf-version=5 -triple x86_64-pc-linux %s -filetype=obj >%t.o |
| # RUN: ld.lld %t.o -o %t -image-base=0x47000 -z separate-code |
| # RUN: %lldb %t -o "image lookup -a 0x48000 -v" -o exit | FileCheck %s |
| |
| # CHECK: CompileUnit: id = {0x00000001}, file = "/tmp/a.cc", language = "c++" |
| # CHECK: Function: id = {0x0000006a}, name = "::_start({{.*}})", range = [0x0000000000048000-0x000000000004800c) |
| # CHECK: LineEntry: [0x0000000000048000-0x000000000004800a): /tmp/a.cc:4 |
| # CHECK: Symbol: id = {0x00000002}, range = [0x0000000000048000-0x000000000004800c), name="_start" |
| # CHECK: Variable: id = {0x00000075}, name = "v1", {{.*}} decl = a.cc:4 |
| # CHECK: Variable: id = {0x00000080}, name = "v2", {{.*}} decl = a.cc:4 |
| |
| |
| # Output generated via |
| # clang -g -fdebug-types-section -gdwarf-5 -S |
| # from |
| # enum E1 { e1 }; |
| # enum E2 { e2 }; |
| # extern "C" void _start(E1 v1, E2 v2) {} |
| # The output was modified to place the compile unit in between the two type |
| # units. |
| |
| .text |
| .file "a.cc" |
| .file 0 "/tmp" "a.cc" |
| |
| .text |
| .globl _start # -- Begin function _start |
| .p2align 4, 0x90 |
| .type _start,@function |
| _start: # @_start |
| .Lfunc_begin0: |
| .loc 0 4 0 # /tmp/a.cc:4:0 |
| .cfi_startproc |
| # %bb.0: # %entry |
| pushq %rbp |
| .cfi_def_cfa_offset 16 |
| .cfi_offset %rbp, -16 |
| movq %rsp, %rbp |
| .cfi_def_cfa_register %rbp |
| movl %edi, -4(%rbp) |
| movl %esi, -8(%rbp) |
| .Ltmp0: |
| .loc 0 4 23 prologue_end # /tmp/a.cc:4:23 |
| popq %rbp |
| .cfi_def_cfa %rsp, 8 |
| retq |
| .Ltmp1: |
| .Lfunc_end0: |
| .size _start, .Lfunc_end0-_start |
| .cfi_endproc |
| # -- End function |
| .section .debug_str_offsets,"",@progbits |
| .long 52 |
| .short 5 |
| .short 0 |
| .Lstr_offsets_base0: |
| .section .debug_str,"MS",@progbits,1 |
| .Linfo_string0: |
| .asciz "clang version 9.0.0 (trunk 360907) (llvm/trunk 360908)" |
| .Linfo_string1: |
| .asciz "a.cc" |
| .Linfo_string2: |
| .asciz "/tmp" |
| .Linfo_string3: |
| .asciz "unsigned int" |
| .Linfo_string4: |
| .asciz "e1" |
| .Linfo_string5: |
| .asciz "E1" |
| .Linfo_string6: |
| .asciz "e2" |
| .Linfo_string7: |
| .asciz "E2" |
| .Linfo_string8: |
| .asciz "_start" |
| .Linfo_string9: |
| .asciz "f" |
| .Linfo_string10: |
| .asciz "v1" |
| .Linfo_string11: |
| .asciz "v2" |
| .section .debug_str_offsets,"",@progbits |
| .long .Linfo_string0 |
| .long .Linfo_string1 |
| .long .Linfo_string2 |
| .long .Linfo_string3 |
| .long .Linfo_string4 |
| .long .Linfo_string5 |
| .long .Linfo_string6 |
| .long .Linfo_string7 |
| .long .Linfo_string8 |
| .long .Linfo_string9 |
| .long .Linfo_string10 |
| .long .Linfo_string11 |
| .section .debug_abbrev,"",@progbits |
| .byte 1 # Abbreviation Code |
| .byte 65 # DW_TAG_type_unit |
| .byte 1 # DW_CHILDREN_yes |
| .byte 19 # DW_AT_language |
| .byte 5 # DW_FORM_data2 |
| .byte 16 # DW_AT_stmt_list |
| .byte 23 # DW_FORM_sec_offset |
| .byte 114 # DW_AT_str_offsets_base |
| .byte 23 # DW_FORM_sec_offset |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| .byte 2 # Abbreviation Code |
| .byte 4 # DW_TAG_enumeration_type |
| .byte 1 # DW_CHILDREN_yes |
| .byte 73 # DW_AT_type |
| .byte 19 # DW_FORM_ref4 |
| .byte 3 # DW_AT_name |
| .byte 37 # DW_FORM_strx1 |
| .byte 11 # DW_AT_byte_size |
| .byte 11 # DW_FORM_data1 |
| .byte 58 # DW_AT_decl_file |
| .byte 11 # DW_FORM_data1 |
| .byte 59 # DW_AT_decl_line |
| .byte 11 # DW_FORM_data1 |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| .byte 3 # Abbreviation Code |
| .byte 40 # DW_TAG_enumerator |
| .byte 0 # DW_CHILDREN_no |
| .byte 3 # DW_AT_name |
| .byte 37 # DW_FORM_strx1 |
| .byte 28 # DW_AT_const_value |
| .byte 15 # DW_FORM_udata |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| .byte 4 # Abbreviation Code |
| .byte 36 # DW_TAG_base_type |
| .byte 0 # DW_CHILDREN_no |
| .byte 3 # DW_AT_name |
| .byte 37 # DW_FORM_strx1 |
| .byte 62 # DW_AT_encoding |
| .byte 11 # DW_FORM_data1 |
| .byte 11 # DW_AT_byte_size |
| .byte 11 # DW_FORM_data1 |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| .byte 5 # Abbreviation Code |
| .byte 17 # DW_TAG_compile_unit |
| .byte 1 # DW_CHILDREN_yes |
| .byte 37 # DW_AT_producer |
| .byte 37 # DW_FORM_strx1 |
| .byte 19 # DW_AT_language |
| .byte 5 # DW_FORM_data2 |
| .byte 3 # DW_AT_name |
| .byte 37 # DW_FORM_strx1 |
| .byte 114 # DW_AT_str_offsets_base |
| .byte 23 # DW_FORM_sec_offset |
| .byte 16 # DW_AT_stmt_list |
| .byte 23 # DW_FORM_sec_offset |
| .byte 27 # DW_AT_comp_dir |
| .byte 37 # DW_FORM_strx1 |
| .byte 17 # DW_AT_low_pc |
| .byte 27 # DW_FORM_addrx |
| .byte 18 # DW_AT_high_pc |
| .byte 6 # DW_FORM_data4 |
| .byte 115 # DW_AT_addr_base |
| .byte 23 # DW_FORM_sec_offset |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| .byte 6 # Abbreviation Code |
| .byte 4 # DW_TAG_enumeration_type |
| .byte 0 # DW_CHILDREN_no |
| .byte 60 # DW_AT_declaration |
| .byte 25 # DW_FORM_flag_present |
| .byte 105 # DW_AT_signature |
| .byte 32 # DW_FORM_ref_sig8 |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| .byte 7 # Abbreviation Code |
| .byte 46 # DW_TAG_subprogram |
| .byte 1 # DW_CHILDREN_yes |
| .byte 17 # DW_AT_low_pc |
| .byte 27 # DW_FORM_addrx |
| .byte 18 # DW_AT_high_pc |
| .byte 6 # DW_FORM_data4 |
| .byte 64 # DW_AT_frame_base |
| .byte 24 # DW_FORM_exprloc |
| .byte 3 # DW_AT_name |
| .byte 37 # DW_FORM_strx1 |
| .byte 58 # DW_AT_decl_file |
| .byte 11 # DW_FORM_data1 |
| .byte 59 # DW_AT_decl_line |
| .byte 11 # DW_FORM_data1 |
| .byte 63 # DW_AT_external |
| .byte 25 # DW_FORM_flag_present |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| .byte 8 # Abbreviation Code |
| .byte 5 # DW_TAG_formal_parameter |
| .byte 0 # DW_CHILDREN_no |
| .byte 2 # DW_AT_location |
| .byte 24 # DW_FORM_exprloc |
| .byte 3 # DW_AT_name |
| .byte 37 # DW_FORM_strx1 |
| .byte 58 # DW_AT_decl_file |
| .byte 11 # DW_FORM_data1 |
| .byte 59 # DW_AT_decl_line |
| .byte 11 # DW_FORM_data1 |
| .byte 73 # DW_AT_type |
| .byte 19 # DW_FORM_ref4 |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| .byte 0 # EOM(3) |
| .section .debug_info,"",@progbits |
| .Lcu_begin0: |
| .long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit |
| .Ldebug_info_start0: |
| .short 5 # DWARF version number |
| .byte 2 # DWARF Unit Type |
| .byte 8 # Address Size (in bytes) |
| .long .debug_abbrev # Offset Into Abbrev. Section |
| .quad -6180787752776176174 # Type Signature |
| .long 35 # Type DIE Offset |
| .byte 1 # Abbrev [1] 0x18:0x1d DW_TAG_type_unit |
| .short 4 # DW_AT_language |
| .long .Lline_table_start0 # DW_AT_stmt_list |
| .long .Lstr_offsets_base0 # DW_AT_str_offsets_base |
| .byte 2 # Abbrev [2] 0x23:0xd DW_TAG_enumeration_type |
| .long 48 # DW_AT_type |
| .byte 5 # DW_AT_name |
| .byte 4 # DW_AT_byte_size |
| .byte 0 # DW_AT_decl_file |
| .byte 1 # DW_AT_decl_line |
| .byte 3 # Abbrev [3] 0x2c:0x3 DW_TAG_enumerator |
| .byte 4 # DW_AT_name |
| .byte 0 # DW_AT_const_value |
| .byte 0 # End Of Children Mark |
| .byte 4 # Abbrev [4] 0x30:0x4 DW_TAG_base_type |
| .byte 3 # DW_AT_name |
| .byte 7 # DW_AT_encoding |
| .byte 4 # DW_AT_byte_size |
| .byte 0 # End Of Children Mark |
| .Ldebug_info_end0: |
| |
| .long .Ldebug_info_end2-.Ldebug_info_start2 # Length of Unit |
| .Ldebug_info_start2: |
| .short 5 # DWARF version number |
| .byte 1 # DWARF Unit Type |
| .byte 8 # Address Size (in bytes) |
| .long .debug_abbrev # Offset Into Abbrev. Section |
| .byte 5 # Abbrev [5] 0xc:0x4d DW_TAG_compile_unit |
| .byte 0 # DW_AT_producer |
| .short 4 # DW_AT_language |
| .byte 1 # DW_AT_name |
| .long .Lstr_offsets_base0 # DW_AT_str_offsets_base |
| .long .Lline_table_start0 # DW_AT_stmt_list |
| .byte 2 # DW_AT_comp_dir |
| .byte 0 # DW_AT_low_pc |
| .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc |
| .long .Laddr_table_base0 # DW_AT_addr_base |
| .byte 6 # Abbrev [6] 0x23:0x9 DW_TAG_enumeration_type |
| # DW_AT_declaration |
| .quad -6180787752776176174 # DW_AT_signature |
| .byte 6 # Abbrev [6] 0x2c:0x9 DW_TAG_enumeration_type |
| # DW_AT_declaration |
| .quad 7818257750321376053 # DW_AT_signature |
| .byte 7 # Abbrev [7] 0x35:0x23 DW_TAG_subprogram |
| .byte 0 # DW_AT_low_pc |
| .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc |
| .byte 1 # DW_AT_frame_base |
| .byte 86 |
| .byte 8 # DW_AT_name |
| .byte 0 # DW_AT_decl_file |
| .byte 4 # DW_AT_decl_line |
| # DW_AT_external |
| .byte 8 # Abbrev [8] 0x41:0xb DW_TAG_formal_parameter |
| .byte 2 # DW_AT_location |
| .byte 145 |
| .byte 124 |
| .byte 10 # DW_AT_name |
| .byte 0 # DW_AT_decl_file |
| .byte 4 # DW_AT_decl_line |
| .long 35 # DW_AT_type |
| .byte 8 # Abbrev [8] 0x4c:0xb DW_TAG_formal_parameter |
| .byte 2 # DW_AT_location |
| .byte 145 |
| .byte 120 |
| .byte 11 # DW_AT_name |
| .byte 0 # DW_AT_decl_file |
| .byte 4 # DW_AT_decl_line |
| .long 44 # DW_AT_type |
| .byte 0 # End Of Children Mark |
| .byte 0 # End Of Children Mark |
| .Ldebug_info_end2: |
| |
| .long .Ldebug_info_end1-.Ldebug_info_start1 # Length of Unit |
| .Ldebug_info_start1: |
| .short 5 # DWARF version number |
| .byte 2 # DWARF Unit Type |
| .byte 8 # Address Size (in bytes) |
| .long .debug_abbrev # Offset Into Abbrev. Section |
| .quad 7818257750321376053 # Type Signature |
| .long 35 # Type DIE Offset |
| .byte 1 # Abbrev [1] 0x18:0x1d DW_TAG_type_unit |
| .short 4 # DW_AT_language |
| .long .Lline_table_start0 # DW_AT_stmt_list |
| .long .Lstr_offsets_base0 # DW_AT_str_offsets_base |
| .byte 2 # Abbrev [2] 0x23:0xd DW_TAG_enumeration_type |
| .long 48 # DW_AT_type |
| .byte 7 # DW_AT_name |
| .byte 4 # DW_AT_byte_size |
| .byte 0 # DW_AT_decl_file |
| .byte 2 # DW_AT_decl_line |
| .byte 3 # Abbrev [3] 0x2c:0x3 DW_TAG_enumerator |
| .byte 6 # DW_AT_name |
| .byte 0 # DW_AT_const_value |
| .byte 0 # End Of Children Mark |
| .byte 4 # Abbrev [4] 0x30:0x4 DW_TAG_base_type |
| .byte 3 # DW_AT_name |
| .byte 7 # DW_AT_encoding |
| .byte 4 # DW_AT_byte_size |
| .byte 0 # End Of Children Mark |
| .Ldebug_info_end1: |
| .section .debug_macinfo,"",@progbits |
| .byte 0 # End Of Macro List Mark |
| .section .debug_addr,"",@progbits |
| .long .Ldebug_addr_end0-.Ldebug_addr_start0 # Length of contribution |
| .Ldebug_addr_start0: |
| .short 5 # DWARF version number |
| .byte 8 # Address size |
| .byte 0 # Segment selector size |
| .Laddr_table_base0: |
| .quad .Lfunc_begin0 |
| .Ldebug_addr_end0: |
| |
| .section .debug_line,"",@progbits |
| .Lline_table_start0: |