diff --git a/llvm/test/tools/llvm-dwarfdump/X86/Inputs/split-dwarf-objfile1.s b/llvm/test/tools/llvm-dwarfdump/X86/Inputs/split-dwarf-objfile1.s new file mode 100644 --- /dev/null +++ b/llvm/test/tools/llvm-dwarfdump/X86/Inputs/split-dwarf-objfile1.s @@ -0,0 +1,263 @@ + .text + .file "test1.cpp" + .globl _Z2f1v # -- Begin function _Z2f1v + .p2align 4, 0x90 + .type _Z2f1v,@function +_Z2f1v: # @_Z2f1v +.Lfunc_begin0: + .file 1 "./" "test1.cpp" + .loc 1 7 0 # test1.cpp:7:0 + .cfi_startproc +# %bb.0: # %entry + pushq %rax + .cfi_def_cfa_offset 16 +.Ltmp0: + .loc 1 5 3 prologue_end # test1.cpp:5:3 + callq _ZL1xv +.Ltmp1: + .loc 1 9 1 # test1.cpp:9:1 + popq %rax + .cfi_def_cfa_offset 8 + retq +.Ltmp2: +.Lfunc_end0: + .size _Z2f1v, .Lfunc_end0-_Z2f1v + .cfi_endproc + # -- End function + .p2align 4, 0x90 # -- Begin function _ZL1xv + .type _ZL1xv,@function +_ZL1xv: # @_ZL1xv +.Lfunc_begin1: + .loc 1 1 0 # test1.cpp:1:0 + .cfi_startproc +# %bb.0: # %entry + .loc 1 2 1 prologue_end # test1.cpp:2:1 + retq +.Ltmp3: +.Lfunc_end1: + .size _ZL1xv, .Lfunc_end1-_ZL1xv + .cfi_endproc + # -- End function + .section .debug_str.dwo,"eMS",@progbits,1 +.Linfo_string0: + .asciz "_ZL1yv" # string offset=0 +.Linfo_string1: + .asciz "y" # string offset=7 +.Linfo_string2: + .asciz "var" # string offset=9 +.Linfo_string3: + .asciz "int" # string offset=13 +.Linfo_string4: + .asciz "_Z2f1v" # string offset=17 +.Linfo_string5: + .asciz "f1" # string offset=24 +.Linfo_string6: + .asciz "_ZL1xv" # string offset=27 +.Linfo_string7: + .asciz "x" # string offset=34 +.Linfo_string8: + .asciz "clang version 13.0.0" # string offset=36 +.Linfo_string9: + .asciz "test1.cpp" # string offset=141 +.Linfo_string10: + .asciz "test1.dwo" # string offset=151 + .section .debug_str_offsets.dwo,"e",@progbits + .long 0 + .long 7 + .long 9 + .long 13 + .long 17 + .long 24 + .long 27 + .long 34 + .long 36 + .long 141 + .long 151 + .section .debug_info.dwo,"e",@progbits + .long .Ldebug_info_dwo_end0-.Ldebug_info_dwo_start0 # Length of Unit +.Ldebug_info_dwo_start0: + .short 4 # DWARF version number + .long 0 # Offset Into Abbrev. Section + .byte 8 # Address Size (in bytes) + .byte 1 # Abbrev [1] 0xb:0x4e DW_TAG_compile_unit + .byte 8 # DW_AT_producer + .short 33 # DW_AT_language + .byte 9 # DW_AT_name + .byte 10 # DW_AT_GNU_dwo_name + .quad -7114235821576765290 # DW_AT_GNU_dwo_id + .byte 2 # Abbrev [2] 0x19:0xf DW_TAG_subprogram + .byte 0 # DW_AT_linkage_name + .byte 1 # DW_AT_name + .byte 1 # DW_AT_decl_file + .byte 3 # DW_AT_decl_line + .byte 1 # DW_AT_inline + .byte 3 # Abbrev [3] 0x1f:0x8 DW_TAG_variable + .byte 2 # DW_AT_name + .byte 1 # DW_AT_decl_file + .byte 4 # DW_AT_decl_line + .long 40 # DW_AT_type + .byte 0 # End Of Children Mark + .byte 4 # Abbrev [4] 0x28:0x4 DW_TAG_base_type + .byte 3 # DW_AT_name + .byte 5 # DW_AT_encoding + .byte 4 # DW_AT_byte_size + .byte 5 # Abbrev [5] 0x2c:0x20 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 87 + # DW_AT_GNU_all_call_sites + .byte 4 # DW_AT_linkage_name + .byte 5 # DW_AT_name + .byte 1 # DW_AT_decl_file + .byte 7 # DW_AT_decl_line + # DW_AT_external + .byte 6 # Abbrev [6] 0x38:0xd DW_TAG_inlined_subroutine + .long 25 # DW_AT_abstract_origin + .byte 1 # DW_AT_low_pc + .long .Ltmp1-.Ltmp0 # DW_AT_high_pc + .byte 1 # DW_AT_call_file + .byte 8 # DW_AT_call_line + .byte 3 # DW_AT_call_column + .byte 7 # Abbrev [7] 0x45:0x6 DW_TAG_GNU_call_site + .long 76 # DW_AT_abstract_origin + .byte 2 # DW_AT_low_pc + .byte 0 # End Of Children Mark + .byte 8 # Abbrev [8] 0x4c:0xc DW_TAG_subprogram + .byte 3 # DW_AT_low_pc + .long .Lfunc_end1-.Lfunc_begin1 # DW_AT_high_pc + .byte 1 # DW_AT_frame_base + .byte 87 + # DW_AT_GNU_all_call_sites + .byte 6 # DW_AT_linkage_name + .byte 7 # DW_AT_name + .byte 1 # DW_AT_decl_file + .byte 1 # DW_AT_decl_line + .byte 0 # End Of Children Mark +.Ldebug_info_dwo_end0: + .section .debug_abbrev.dwo,"e",@progbits + .byte 1 # Abbreviation Code + .byte 17 # DW_TAG_compile_unit + .byte 1 # DW_CHILDREN_yes + .byte 37 # DW_AT_producer + .ascii "\202>" # DW_FORM_GNU_str_index + .byte 19 # DW_AT_language + .byte 5 # DW_FORM_data2 + .byte 3 # DW_AT_name + .ascii "\202>" # DW_FORM_GNU_str_index + .ascii "\260B" # DW_AT_GNU_dwo_name + .ascii "\202>" # DW_FORM_GNU_str_index + .ascii "\261B" # DW_AT_GNU_dwo_id + .byte 7 # DW_FORM_data8 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 2 # Abbreviation Code + .byte 46 # DW_TAG_subprogram + .byte 1 # DW_CHILDREN_yes + .byte 110 # DW_AT_linkage_name + .ascii "\202>" # DW_FORM_GNU_str_index + .byte 3 # DW_AT_name + .ascii "\202>" # DW_FORM_GNU_str_index + .byte 58 # DW_AT_decl_file + .byte 11 # DW_FORM_data1 + .byte 59 # DW_AT_decl_line + .byte 11 # DW_FORM_data1 + .byte 32 # DW_AT_inline + .byte 11 # DW_FORM_data1 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 3 # Abbreviation Code + .byte 52 # DW_TAG_variable + .byte 0 # DW_CHILDREN_no + .byte 3 # DW_AT_name + .ascii "\202>" # DW_FORM_GNU_str_index + .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 4 # Abbreviation Code + .byte 36 # DW_TAG_base_type + .byte 0 # DW_CHILDREN_no + .byte 3 # DW_AT_name + .ascii "\202>" # DW_FORM_GNU_str_index + .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 46 # DW_TAG_subprogram + .byte 1 # DW_CHILDREN_yes + .byte 17 # DW_AT_low_pc + .ascii "\201>" # DW_FORM_GNU_addr_index + .byte 18 # DW_AT_high_pc + .byte 6 # DW_FORM_data4 + .byte 64 # DW_AT_frame_base + .byte 24 # DW_FORM_exprloc + .ascii "\227B" # DW_AT_GNU_all_call_sites + .byte 25 # DW_FORM_flag_present + .byte 110 # DW_AT_linkage_name + .ascii "\202>" # DW_FORM_GNU_str_index + .byte 3 # DW_AT_name + .ascii "\202>" # DW_FORM_GNU_str_index + .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 6 # Abbreviation Code + .byte 29 # DW_TAG_inlined_subroutine + .byte 0 # DW_CHILDREN_no + .byte 49 # DW_AT_abstract_origin + .byte 19 # DW_FORM_ref4 + .byte 17 # DW_AT_low_pc + .ascii "\201>" # DW_FORM_GNU_addr_index + .byte 18 # DW_AT_high_pc + .byte 6 # DW_FORM_data4 + .byte 88 # DW_AT_call_file + .byte 11 # DW_FORM_data1 + .byte 89 # DW_AT_call_line + .byte 11 # DW_FORM_data1 + .byte 87 # DW_AT_call_column + .byte 11 # DW_FORM_data1 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 7 # Abbreviation Code + .ascii "\211\202\001" # DW_TAG_GNU_call_site + .byte 0 # DW_CHILDREN_no + .byte 49 # DW_AT_abstract_origin + .byte 19 # DW_FORM_ref4 + .byte 17 # DW_AT_low_pc + .ascii "\201>" # DW_FORM_GNU_addr_index + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 8 # Abbreviation Code + .byte 46 # DW_TAG_subprogram + .byte 0 # DW_CHILDREN_no + .byte 17 # DW_AT_low_pc + .ascii "\201>" # DW_FORM_GNU_addr_index + .byte 18 # DW_AT_high_pc + .byte 6 # DW_FORM_data4 + .byte 64 # DW_AT_frame_base + .byte 24 # DW_FORM_exprloc + .ascii "\227B" # DW_AT_GNU_all_call_sites + .byte 25 # DW_FORM_flag_present + .byte 110 # DW_AT_linkage_name + .ascii "\202>" # DW_FORM_GNU_str_index + .byte 3 # DW_AT_name + .ascii "\202>" # DW_FORM_GNU_str_index + .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 0 # EOM(3) diff --git a/llvm/test/tools/llvm-dwarfdump/X86/Inputs/split-dwarf-objfile2.s b/llvm/test/tools/llvm-dwarfdump/X86/Inputs/split-dwarf-objfile2.s new file mode 100644 --- /dev/null +++ b/llvm/test/tools/llvm-dwarfdump/X86/Inputs/split-dwarf-objfile2.s @@ -0,0 +1,297 @@ + .text + .file "test2.cpp" + .globl main # -- Begin function main + .p2align 4, 0x90 + .type main,@function +main: # @main +.Lfunc_begin0: + .file 1 "/dir" "test2.cpp" + .loc 1 8 0 # test2.cpp:8:0 + .cfi_startproc +# %bb.0: # %entry + pushq %rax + .cfi_def_cfa_offset 16 +.Ltmp0: + .loc 1 9 3 prologue_end # test2.cpp:9:3 + callq _Z2f1v +.Ltmp1: + .loc 1 5 3 # test2.cpp:5:3 + callq _ZL1xv +.Ltmp2: + .loc 1 11 1 # test2.cpp:11:1 + xorl %eax, %eax + popq %rcx + .cfi_def_cfa_offset 8 + retq +.Ltmp3: +.Lfunc_end0: + .size main, .Lfunc_end0-main + .cfi_endproc + # -- End function + .p2align 4, 0x90 # -- Begin function _ZL1xv + .type _ZL1xv,@function +_ZL1xv: # @_ZL1xv +.Lfunc_begin1: + .loc 1 1 0 # test2.cpp:1:0 + .cfi_startproc +# %bb.0: # %entry + .loc 1 2 1 prologue_end # test2.cpp:2:1 + retq +.Ltmp4: +.Lfunc_end1: + .size _ZL1xv, .Lfunc_end1-_ZL1xv + .cfi_endproc + # -- End function + .section .debug_str.dwo,"eMS",@progbits,1 +.Linfo_string0: + .asciz "_ZL1yv" # string offset=0 +.Linfo_string1: + .asciz "y" # string offset=7 +.Linfo_string2: + .asciz "var" # string offset=9 +.Linfo_string3: + .asciz "int" # string offset=13 +.Linfo_string4: + .asciz "_Z2f1v" # string offset=17 +.Linfo_string5: + .asciz "f1" # string offset=24 +.Linfo_string6: + .asciz "main" # string offset=27 +.Linfo_string7: + .asciz "_ZL1xv" # string offset=32 +.Linfo_string8: + .asciz "x" # string offset=39 +.Linfo_string9: + .asciz "clang version 13.0.0" # string offset=41 +.Linfo_string10: + .asciz "test2.cpp" # string offset=146 +.Linfo_string11: + .asciz "test2.dwo" # string offset=156 + .section .debug_str_offsets.dwo,"e",@progbits + .long 0 + .long 7 + .long 9 + .long 13 + .long 17 + .long 24 + .long 27 + .long 32 + .long 39 + .long 41 + .long 146 + .long 156 + .section .debug_info.dwo,"e",@progbits + .long .Ldebug_info_dwo_end0-.Ldebug_info_dwo_start0 # Length of Unit +.Ldebug_info_dwo_start0: + .short 4 # DWARF version number + .long 0 # Offset Into Abbrev. Section + .byte 8 # Address Size (in bytes) + .byte 1 # Abbrev [1] 0xb:0x5c DW_TAG_compile_unit + .byte 9 # DW_AT_producer + .short 33 # DW_AT_language + .byte 10 # DW_AT_name + .byte 11 # DW_AT_GNU_dwo_name + .quad -6064033601213906696 # DW_AT_GNU_dwo_id + .byte 2 # Abbrev [2] 0x19:0xf DW_TAG_subprogram + .byte 0 # DW_AT_linkage_name + .byte 1 # DW_AT_name + .byte 1 # DW_AT_decl_file + .byte 3 # DW_AT_decl_line + .byte 1 # DW_AT_inline + .byte 3 # Abbrev [3] 0x1f:0x8 DW_TAG_variable + .byte 2 # DW_AT_name + .byte 1 # DW_AT_decl_file + .byte 4 # DW_AT_decl_line + .long 40 # DW_AT_type + .byte 0 # End Of Children Mark + .byte 4 # Abbrev [4] 0x28:0x4 DW_TAG_base_type + .byte 3 # DW_AT_name + .byte 5 # DW_AT_encoding + .byte 4 # DW_AT_byte_size + .byte 5 # Abbrev [5] 0x2c:0x29 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 87 + # DW_AT_GNU_all_call_sites + .byte 6 # DW_AT_name + .byte 1 # DW_AT_decl_file + .byte 8 # DW_AT_decl_line + .long 40 # DW_AT_type + # DW_AT_external + .byte 6 # Abbrev [6] 0x3b:0xd DW_TAG_inlined_subroutine + .long 25 # DW_AT_abstract_origin + .byte 1 # DW_AT_low_pc + .long .Ltmp2-.Ltmp1 # DW_AT_high_pc + .byte 1 # DW_AT_call_file + .byte 10 # DW_AT_call_line + .byte 3 # DW_AT_call_column + .byte 7 # Abbrev [7] 0x48:0x6 DW_TAG_GNU_call_site + .long 85 # DW_AT_abstract_origin + .byte 1 # DW_AT_low_pc + .byte 7 # Abbrev [7] 0x4e:0x6 DW_TAG_GNU_call_site + .long 90 # DW_AT_abstract_origin + .byte 2 # DW_AT_low_pc + .byte 0 # End Of Children Mark + .byte 8 # Abbrev [8] 0x55:0x5 DW_TAG_subprogram + .byte 4 # DW_AT_linkage_name + .byte 5 # DW_AT_name + .byte 1 # DW_AT_decl_file + .byte 7 # DW_AT_decl_line + # DW_AT_declaration + # DW_AT_external + .byte 9 # Abbrev [9] 0x5a:0xc DW_TAG_subprogram + .byte 3 # DW_AT_low_pc + .long .Lfunc_end1-.Lfunc_begin1 # DW_AT_high_pc + .byte 1 # DW_AT_frame_base + .byte 87 + # DW_AT_GNU_all_call_sites + .byte 7 # DW_AT_linkage_name + .byte 8 # DW_AT_name + .byte 1 # DW_AT_decl_file + .byte 1 # DW_AT_decl_line + .byte 0 # End Of Children Mark +.Ldebug_info_dwo_end0: + .section .debug_abbrev.dwo,"e",@progbits + .byte 1 # Abbreviation Code + .byte 17 # DW_TAG_compile_unit + .byte 1 # DW_CHILDREN_yes + .byte 37 # DW_AT_producer + .ascii "\202>" # DW_FORM_GNU_str_index + .byte 19 # DW_AT_language + .byte 5 # DW_FORM_data2 + .byte 3 # DW_AT_name + .ascii "\202>" # DW_FORM_GNU_str_index + .ascii "\260B" # DW_AT_GNU_dwo_name + .ascii "\202>" # DW_FORM_GNU_str_index + .ascii "\261B" # DW_AT_GNU_dwo_id + .byte 7 # DW_FORM_data8 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 2 # Abbreviation Code + .byte 46 # DW_TAG_subprogram + .byte 1 # DW_CHILDREN_yes + .byte 110 # DW_AT_linkage_name + .ascii "\202>" # DW_FORM_GNU_str_index + .byte 3 # DW_AT_name + .ascii "\202>" # DW_FORM_GNU_str_index + .byte 58 # DW_AT_decl_file + .byte 11 # DW_FORM_data1 + .byte 59 # DW_AT_decl_line + .byte 11 # DW_FORM_data1 + .byte 32 # DW_AT_inline + .byte 11 # DW_FORM_data1 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 3 # Abbreviation Code + .byte 52 # DW_TAG_variable + .byte 0 # DW_CHILDREN_no + .byte 3 # DW_AT_name + .ascii "\202>" # DW_FORM_GNU_str_index + .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 4 # Abbreviation Code + .byte 36 # DW_TAG_base_type + .byte 0 # DW_CHILDREN_no + .byte 3 # DW_AT_name + .ascii "\202>" # DW_FORM_GNU_str_index + .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 46 # DW_TAG_subprogram + .byte 1 # DW_CHILDREN_yes + .byte 17 # DW_AT_low_pc + .ascii "\201>" # DW_FORM_GNU_addr_index + .byte 18 # DW_AT_high_pc + .byte 6 # DW_FORM_data4 + .byte 64 # DW_AT_frame_base + .byte 24 # DW_FORM_exprloc + .ascii "\227B" # DW_AT_GNU_all_call_sites + .byte 25 # DW_FORM_flag_present + .byte 3 # DW_AT_name + .ascii "\202>" # DW_FORM_GNU_str_index + .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 63 # DW_AT_external + .byte 25 # DW_FORM_flag_present + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 6 # Abbreviation Code + .byte 29 # DW_TAG_inlined_subroutine + .byte 0 # DW_CHILDREN_no + .byte 49 # DW_AT_abstract_origin + .byte 19 # DW_FORM_ref4 + .byte 17 # DW_AT_low_pc + .ascii "\201>" # DW_FORM_GNU_addr_index + .byte 18 # DW_AT_high_pc + .byte 6 # DW_FORM_data4 + .byte 88 # DW_AT_call_file + .byte 11 # DW_FORM_data1 + .byte 89 # DW_AT_call_line + .byte 11 # DW_FORM_data1 + .byte 87 # DW_AT_call_column + .byte 11 # DW_FORM_data1 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 7 # Abbreviation Code + .ascii "\211\202\001" # DW_TAG_GNU_call_site + .byte 0 # DW_CHILDREN_no + .byte 49 # DW_AT_abstract_origin + .byte 19 # DW_FORM_ref4 + .byte 17 # DW_AT_low_pc + .ascii "\201>" # DW_FORM_GNU_addr_index + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 8 # Abbreviation Code + .byte 46 # DW_TAG_subprogram + .byte 0 # DW_CHILDREN_no + .byte 110 # DW_AT_linkage_name + .ascii "\202>" # DW_FORM_GNU_str_index + .byte 3 # DW_AT_name + .ascii "\202>" # DW_FORM_GNU_str_index + .byte 58 # DW_AT_decl_file + .byte 11 # DW_FORM_data1 + .byte 59 # DW_AT_decl_line + .byte 11 # DW_FORM_data1 + .byte 60 # DW_AT_declaration + .byte 25 # DW_FORM_flag_present + .byte 63 # DW_AT_external + .byte 25 # DW_FORM_flag_present + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 9 # Abbreviation Code + .byte 46 # DW_TAG_subprogram + .byte 0 # DW_CHILDREN_no + .byte 17 # DW_AT_low_pc + .ascii "\201>" # DW_FORM_GNU_addr_index + .byte 18 # DW_AT_high_pc + .byte 6 # DW_FORM_data4 + .byte 64 # DW_AT_frame_base + .byte 24 # DW_FORM_exprloc + .ascii "\227B" # DW_AT_GNU_all_call_sites + .byte 25 # DW_FORM_flag_present + .byte 110 # DW_AT_linkage_name + .ascii "\202>" # DW_FORM_GNU_str_index + .byte 3 # DW_AT_name + .ascii "\202>" # DW_FORM_GNU_str_index + .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 0 # EOM(3) diff --git a/llvm/test/tools/llvm-dwarfdump/X86/Inputs/split-dwarf.s b/llvm/test/tools/llvm-dwarfdump/X86/Inputs/split-dwarf.s new file mode 100644 --- /dev/null +++ b/llvm/test/tools/llvm-dwarfdump/X86/Inputs/split-dwarf.s @@ -0,0 +1,104 @@ + .text + .file "main.cpp" + .globl _Z2f1v # -- Begin function _Z2f1v + .p2align 4, 0x90 + .type _Z2f1v,@function +_Z2f1v: # @_Z2f1v +.Lfunc_begin0: + .file 1 "./" "main.cpp" + .loc 1 7 0 # main.cpp:7:0 + .cfi_startproc +# %bb.0: # %entry + pushq %rax + .cfi_def_cfa_offset 16 +.Ltmp0: + .loc 1 5 3 prologue_end # main.cpp:5:3 + callq _ZL1xv +.Ltmp1: + .loc 1 9 1 # main.cpp:9:1 + popq %rax + .cfi_def_cfa_offset 8 + retq +.Ltmp2: +.Lfunc_end0: + .size _Z2f1v, .Lfunc_end0-_Z2f1v + .cfi_endproc + # -- End function + .p2align 4, 0x90 # -- Begin function _ZL1xv + .type _ZL1xv,@function +_ZL1xv: # @_ZL1xv +.Lfunc_begin1: + .loc 1 1 0 # main.cpp:1:0 + .cfi_startproc +# %bb.0: # %entry + .loc 1 2 1 prologue_end # main.cpp:2:1 + retq +.Ltmp3: +.Lfunc_end1: + .size _ZL1xv, .Lfunc_end1-_ZL1xv + .cfi_endproc + # -- End function + .section .debug_abbrev,"",@progbits + .byte 1 # Abbreviation Code + .byte 17 # DW_TAG_compile_unit + .byte 0 # DW_CHILDREN_no + .byte 16 # DW_AT_stmt_list + .byte 23 # DW_FORM_sec_offset + .byte 27 # DW_AT_comp_dir + .byte 14 # DW_FORM_strp + .ascii "\264B" # DW_AT_GNU_pubnames + .byte 25 # DW_FORM_flag_present + .ascii "\260B" # DW_AT_GNU_dwo_name + .byte 14 # DW_FORM_strp + .ascii "\261B" # DW_AT_GNU_dwo_id + .byte 7 # DW_FORM_data8 + .byte 17 # DW_AT_low_pc + .byte 1 # DW_FORM_addr + .byte 18 # DW_AT_high_pc + .byte 6 # DW_FORM_data4 + .ascii "\263B" # DW_AT_GNU_addr_base + .byte 23 # DW_FORM_sec_offset + .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 4 # DWARF version number + .long .debug_abbrev # Offset Into Abbrev. Section + .byte 8 # Address Size (in bytes) + .byte 1 # Abbrev [1] 0xb:0x25 DW_TAG_compile_unit + .long .Lline_table_start0 # DW_AT_stmt_list + .long .Lskel_string0 # DW_AT_comp_dir + # DW_AT_GNU_pubnames + .long .Lskel_string1 # DW_AT_GNU_dwo_name + .quad -7114235821576765290 # DW_AT_GNU_dwo_id + .quad .Lfunc_begin0 # DW_AT_low_pc + .long .Lfunc_end1-.Lfunc_begin0 # DW_AT_high_pc +.Ldebug_info_end0: + .section .debug_info,"",@progbits +.Lcu_begin1: + .long .Ldebug_info_end1-.Ldebug_info_start1 # Length of Unit +.Ldebug_info_start1: + .short 4 # DWARF version number + .long .debug_abbrev # Offset Into Abbrev. Section + .byte 8 # Address Size (in bytes) + .byte 1 # Abbrev [1] 0xb:0x25 DW_TAG_compile_unit + .long .Lline_table_start0 # DW_AT_stmt_list + .long .Lskel_string0 # DW_AT_comp_dir + # DW_AT_GNU_pubnames + .long .Lskel_string2 # DW_AT_GNU_dwo_name + .quad -6064033601213906696 # DW_AT_GNU_dwo_id + .quad .Lfunc_begin0 # DW_AT_low_pc + .long .Lfunc_end1-.Lfunc_begin0 # DW_AT_high_pc +.Ldebug_info_end1: + .section .debug_str,"MS",@progbits,1 +.Lskel_string0: + .asciz "./" # string offset=0 +.Lskel_string1: + .asciz "test1.dwo" # string offset=82 +.Lskel_string2: + .asciz "test2.dwo" # string offset=82 + +.Lline_table_start0: diff --git a/llvm/test/tools/llvm-dwarfdump/X86/inlined_variables_with_zero_cov.test b/llvm/test/tools/llvm-dwarfdump/X86/inlined_variables_with_zero_cov.test new file mode 100644 --- /dev/null +++ b/llvm/test/tools/llvm-dwarfdump/X86/inlined_variables_with_zero_cov.test @@ -0,0 +1,41 @@ +## This checks the number of inlined variables with 0% location +## coverage in split dwarf cases. +## $ cat test1.cpp +## __attribute__((optnone)) static void x() { +## } +## __attribute__((always_inline)) static void y() { +## int var; +## x(); +## } +## void f1() { +## y(); +## } +## +## $ cat test2.cpp +## __attribute__((optnone)) static void x() { +## } +## __attribute__((always_inline)) static void y() { +## int var; +## x(); +## } +## void f1(); +## int main() { +## f1(); +## y(); +## } +## $ clang++ -O1 -g -gsplit-dwarf test2.cpp test1.cpp -S +## The split-dwarf.s was handcrafted. + +REQUIRES: x86_64-linux +RUN: rm -rf %t +RUN: mkdir %t +RUN: cd %t +RUN: llvm-mc -triple x86_64-unknown-linux -filetype=obj %S/Inputs/split-dwarf-objfile1.s -o test1.dwo +RUN: llvm-mc -triple x86_64-unknown-linux -filetype=obj %S/Inputs/split-dwarf-objfile2.s -o test2.dwo +RUN: llvm-mc -triple x86_64-unknown-linux -filetype=obj %S/Inputs/split-dwarf.s -o split-dwarf.o +RUN: llvm-dwarfdump --statistics split-dwarf.o | FileCheck %s + +CHECK: "#variables processed by location statistics": 2 +CHECK: "#variables with 0% of parent scope covered by DW_AT_location": 2 +CHECK: "#local vars processed by location statistics": 2 +CHECK: "#local vars with 0% of parent scope covered by DW_AT_location": 2 diff --git a/llvm/tools/llvm-dwarfdump/Statistics.cpp b/llvm/tools/llvm-dwarfdump/Statistics.cpp --- a/llvm/tools/llvm-dwarfdump/Statistics.cpp +++ b/llvm/tools/llvm-dwarfdump/Statistics.cpp @@ -714,11 +714,19 @@ StringRef FormatName = Obj.getFileFormatName(); GlobalStats GlobalStats; LocationStats LocStats; - InlinedVarsTyMap GlobalInlinedFnInfo; - InlinedFnInstacesTy InlinedFnsToBeProcessed; StringMap Statistics; for (const auto &CU : static_cast(&DICtx)->compile_units()) { if (DWARFDie CUDie = CU->getNonSkeletonUnitDIE(false)) { + // These variables are being reset for each CU, since there could be + // a situation where we have two subprogram DIEs with the same offsets + // in two diferent CUs, and we can end up using wrong variables info + // when trying to resolve abstract_orign attribute. + // TODO: Handle LTO cases where the abstract origin of + // the function is in a different CU than the one it's + // referenced from or inlined into. + InlinedVarsTyMap GlobalInlinedFnInfo; + InlinedFnInstacesTy InlinedFnsToBeProcessed; + collectStatsRecursive(CUDie, "/", "g", 0, 0, Statistics, GlobalStats, LocStats, GlobalInlinedFnInfo, InlinedFnsToBeProcessed);