## This test checks updating debuginfo via dwarf4 dwp file # RUN: rm -rf %t && mkdir -p %t && cd %t # RUN: split-file %s %t # RUN: %clangxx %cxxflags -g -gdwarf-4 -gsplit-dwarf %t/main.s %t/callee.s -o main.exe # RUN: llvm-dwp -e %t/main.exe -o %t/main.exe.dwp # RUN: llvm-bolt %t/main.exe -o %t/main.exe.bolt -update-debug-sections 2>&1 | FileCheck %s ## Test that BOLT does not crash when a DWP file contains a section (e.g. ## .debug_line.dwo) whose kind is not tracked as a column in the CU index. ## This triggers a null pointer dereference in getSliceData() where ## getContribution() returns nullptr because the section kind has no column. # RUN: rm -rf %t && mkdir -p %t && cd %t # RUN: split-file %p/dwarf4-dwp-x86.s %t # RUN: %clangxx %cxxflags -g -gdwarf-4 -gsplit-dwarf %t/main.s %t/callee.s -o %t/main.exe # RUN: llvm-dwp -e %t/main.exe -o %t/main.exe.dwp # RUN: printf '\x00' > %t/line.bin # RUN: llvm-objcopy --add-section=.debug_line.dwo=%t/line.bin %t/main.exe.dwp # RUN: llvm-bolt %t/main.exe -o %t/main.exe.bolt -update-debug-sections 2>&1 | FileCheck %s # CHECK-NOT: Assertion #--- main.s .file "main.cpp" .globl main # -- Begin function main .type main,@function main: # @main .Lfunc_begin0: .file 1 "." "main.cpp" .loc 1 2 0 # main.cpp:2:0 .loc 1 2 21 prologue_end # main.cpp:2:21 .loc 1 2 14 epilogue_begin is_stmt 0 # main.cpp:2:14 retq .Lfunc_end0: .size main, .Lfunc_end0-main .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 1465063543908291764 # DW_AT_GNU_dwo_id .quad .Lfunc_begin0 # DW_AT_low_pc .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc .long .Laddr_table_base0 # DW_AT_GNU_addr_base .Ldebug_info_end0: .section .debug_str,"MS",@progbits,1 .Lskel_string0: .asciz "." # string offset=0 .Lskel_string1: .asciz "main.exe-main.dwo" # string offset=2 .section .debug_str.dwo,"eMS",@progbits,1 .Linfo_string0: .asciz "main" # string offset=0 .Linfo_string1: .asciz "int" # string offset=5 .Linfo_string2: .byte 0 # string offset=9 .Linfo_string3: .asciz "main.cpp" # string offset=10 .Linfo_string4: .asciz "main.exe-main.dwo" # string offset=19 .section .debug_str_offsets.dwo,"e",@progbits .long 0 .long 5 .long 9 .long 10 .long 19 .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:0x22 DW_TAG_compile_unit .byte 2 # DW_AT_producer .short 33 # DW_AT_language .byte 3 # DW_AT_name .byte 4 # DW_AT_GNU_dwo_name .quad 1465063543908291764 # DW_AT_GNU_dwo_id .byte 2 # Abbrev [2] 0x19:0xf 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 0 # DW_AT_name .byte 1 # DW_AT_decl_file .byte 2 # DW_AT_decl_line .long 40 # DW_AT_type # DW_AT_external .byte 3 # Abbrev [3] 0x28:0x4 DW_TAG_base_type .byte 1 # DW_AT_name .byte 5 # DW_AT_encoding .byte 4 # DW_AT_byte_size .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 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 .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 3 # 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 0 # EOM(3) .section .debug_addr,"",@progbits .Laddr_table_base0: .quad .Lfunc_begin0 .section .debug_gnu_pubnames,"",@progbits .long .LpubNames_end0-.LpubNames_start0 # Length of Public Names Info .LpubNames_start0: .short 2 # DWARF Version .long .Lcu_begin0 # Offset of Compilation Unit Info .long 48 # Compilation Unit Length .long 25 # DIE offset .byte 48 # Attributes: FUNCTION, EXTERNAL .asciz "main" # External Name .long 0 # End Mark .LpubNames_end0: .section .debug_gnu_pubtypes,"",@progbits .long .LpubTypes_end0-.LpubTypes_start0 # Length of Public Types Info .LpubTypes_start0: .short 2 # DWARF Version .long .Lcu_begin0 # Offset of Compilation Unit Info .long 48 # Compilation Unit Length .long 40 # DIE offset .byte 144 # Attributes: TYPE, STATIC .asciz "int" # External Name .long 0 # End Mark .LpubTypes_end0: .section ".note.GNU-stack","",@progbits .addrsig .addrsig_sym _Z6calleei .section .debug_line,"",@progbits .Lline_table_start0: #--- callee.s .file "callee.cpp" .globl _Z6calleei # -- Begin function _Z6calleei .type _Z6calleei,@function _Z6calleei: # @_Z6calleei .Lfunc_begin0: .file 1 "." "callee.cpp" .loc 1 1 0 # callee.cpp:1:0 .loc 1 1 28 prologue_end # callee.cpp:1:28 .loc 1 1 21 epilogue_begin is_stmt 0 # callee.cpp:1:21 retq .Lfunc_end0: .size _Z6calleei, .Lfunc_end0-_Z6calleei .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 -8413212350243343807 # DW_AT_GNU_dwo_id .quad .Lfunc_begin0 # DW_AT_low_pc .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc .long .Laddr_table_base0 # DW_AT_GNU_addr_base .Ldebug_info_end0: .section .debug_str,"MS",@progbits,1 .Lskel_string0: .asciz "." # string offset=0 .Lskel_string1: .asciz "main.exe-callee.dwo" # string offset=2 .section .debug_str.dwo,"eMS",@progbits,1 .Linfo_string0: .asciz "_Z6calleei" # string offset=0 .Linfo_string1: .asciz "callee" # string offset=11 .Linfo_string2: .asciz "int" # string offset=18 .Linfo_string3: .asciz "x" # string offset=22 .Linfo_string4: .byte 0 # string offset=24 .Linfo_string5: .asciz "callee.cpp" # string offset=25 .Linfo_string6: .asciz "main.exe-callee.dwo" # string offset=36 .section .debug_str_offsets.dwo,"e",@progbits .long 0 .long 11 .long 18 .long 22 .long 24 .long 25 .long 36 .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:0x2f DW_TAG_compile_unit .byte 4 # DW_AT_producer .short 33 # DW_AT_language .byte 5 # DW_AT_name .byte 6 # DW_AT_GNU_dwo_name .quad -8413212350243343807 # DW_AT_GNU_dwo_id .byte 2 # Abbrev [2] 0x19:0x1c 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 0 # DW_AT_linkage_name .byte 1 # DW_AT_name .byte 1 # DW_AT_decl_file .byte 1 # DW_AT_decl_line .long 53 # DW_AT_type # DW_AT_external .byte 3 # Abbrev [3] 0x29:0xb DW_TAG_formal_parameter .byte 2 # DW_AT_location .byte 145 .byte 124 .byte 3 # DW_AT_name .byte 1 # DW_AT_decl_file .byte 1 # DW_AT_decl_line .long 53 # DW_AT_type .byte 0 # End Of Children Mark .byte 4 # Abbrev [4] 0x35:0x4 DW_TAG_base_type .byte 2 # DW_AT_name .byte 5 # DW_AT_encoding .byte 4 # DW_AT_byte_size .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 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 .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 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 3 # 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 .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 0 # EOM(3) .section .debug_addr,"",@progbits .Laddr_table_base0: .quad .Lfunc_begin0 .section .debug_gnu_pubnames,"",@progbits .long .LpubNames_end0-.LpubNames_start0 # Length of Public Names Info .LpubNames_start0: .short 2 # DWARF Version .long .Lcu_begin0 # Offset of Compilation Unit Info .long 48 # Compilation Unit Length .long 25 # DIE offset .byte 48 # Attributes: FUNCTION, EXTERNAL .asciz "callee" # External Name .long 0 # End Mark .LpubNames_end0: .section .debug_gnu_pubtypes,"",@progbits .long .LpubTypes_end0-.LpubTypes_start0 # Length of Public Types Info .LpubTypes_start0: .short 2 # DWARF Version .long .Lcu_begin0 # Offset of Compilation Unit Info .long 48 # Compilation Unit Length .long 53 # DIE offset .byte 144 # Attributes: TYPE, STATIC .asciz "int" # External Name .long 0 # End Mark .LpubTypes_end0: .section ".note.GNU-stack","",@progbits .addrsig .section .debug_line,"",@progbits .Lline_table_start0: