# RUN: llvm-mc -dwarf-version=5 -filetype=obj -triple x86_64-unknown-linux %s -o %tmain.o # RUN: %clang %cflags -gdwarf-5 %tmain.o -o %tmain.exe # RUN: llvm-bolt %tmain.exe -o %tmain.exe.bolt --update-debug-sections # RUN: llvm-dwarfdump --debug-names --debug-info %tmain.exe.bolt > %tlog.txt # RUN: cat %tlog.txt | FileCheck -check-prefix=BOLT %s ## This test checks that BOLT correctly generates .debug_names section when there is DW_TAG_variable ## with DW_OP_GNU_push_tls_address in DW_AT_location. # BOLT: [[DIEOFFSET:0x[0-9a-f]*]]: DW_TAG_variable # BOLT-NEXT: DW_AT_name ("x") # BOLT-NEXT: DW_AT_type ({{.+}} "int") # BOLT-NEXT: DW_AT_external (true) # BOLT-NEXT: DW_AT_decl_file ("gnu_tls_push/main.cpp") # BOLT-NEXT: DW_AT_decl_line (1) # BOLT-NEXT: DW_AT_location (DW_OP_const8u 0x0, DW_OP_GNU_push_tls_address) # BOLT: Hash: 0x2B61D # BOLT-NEXT: String: {{.+}} "x" # BOLT-NEXT: Entry @ {{.+}} { # BOLT-NEXT: Abbrev: {{.+}} # BOLT-NEXT: Tag: DW_TAG_variable # BOLT-NEXT: DW_IDX_die_offset: [[DIEOFFSET]] # BOLT-NEXT: DW_IDX_parent: ## thread_local int x = 0; ## int main() { ## x = 10; ## return x; ## } .file "main.cpp" .file 0 "gnu_tls_push" "main.cpp" md5 0x551db97d5e23dc6a81abdc5ade4d9d71 .globl main .type main,@function main: .Lfunc_begin0: .loc 0 2 0 .loc 0 3 3 prologue_end .loc 0 3 5 is_stmt 0 .loc 0 4 10 is_stmt 1 .loc 0 4 3 epilogue_begin is_stmt 0 retq .Lfunc_end0: .size main, .Lfunc_end0-main .hidden _ZTW1x .weak _ZTW1x .type _ZTW1x,@function _ZTW1x: .Lfunc_begin1: retq .Lfunc_end1: .size _ZTW1x, .Lfunc_end1-_ZTW1x .type x,@object .section .tbss,"awT",@nobits .globl x x: .long 0 .size x, 4 .section .debug_abbrev,"",@progbits .byte 1 # 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 2 # Abbreviation Code .byte 52 # DW_TAG_variable .byte 0 # DW_CHILDREN_no .byte 3 # DW_AT_name .byte 37 # DW_FORM_strx1 .byte 73 # DW_AT_type .byte 19 # DW_FORM_ref4 .byte 63 # DW_AT_external .byte 25 # DW_FORM_flag_present .byte 58 # DW_AT_decl_file .byte 11 # DW_FORM_data1 .byte 59 # DW_AT_decl_line .byte 11 # DW_FORM_data1 .byte 2 # DW_AT_location .byte 24 # DW_FORM_exprloc .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 .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 4 # Abbreviation Code .byte 46 # DW_TAG_subprogram .byte 0 # DW_CHILDREN_no .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 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 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 1 # DWARF Unit Type .byte 8 # Address Size (in bytes) .long .debug_abbrev # Offset Into Abbrev. Section .byte 1 # Abbrev [1] 0xc:0x3e DW_TAG_compile_unit .byte 0 # DW_AT_producer .short 33 # 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 2 # Abbrev [2] 0x23:0x13 DW_TAG_variable .byte 3 # DW_AT_name .long 54 # DW_AT_type # DW_AT_external .byte 0 # DW_AT_decl_file .byte 1 # DW_AT_decl_line .byte 10 # DW_AT_location .byte 14 .quad x@DTPOFF .byte 224 .byte 3 # Abbrev [3] 0x36:0x4 DW_TAG_base_type .byte 4 # DW_AT_name .byte 5 # DW_AT_encoding .byte 4 # DW_AT_byte_size .byte 4 # Abbrev [4] 0x3a: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 5 # DW_AT_name .byte 0 # DW_AT_decl_file .byte 2 # DW_AT_decl_line .long 54 # DW_AT_type # DW_AT_external .byte 0 # End Of Children Mark .Ldebug_info_end0: .section .debug_str_offsets,"",@progbits .long 28 # Length of String Offsets Set .short 5 .short 0 .Lstr_offsets_base0: .section .debug_str,"MS",@progbits,1 .Linfo_string0: .asciz "clang version 17.0.4" # string offset=0 .Linfo_string1: .asciz "main.cpp" # string offset=137 .Linfo_string2: .asciz "gnu_tls_push" # string offset=146 .Linfo_string3: .asciz "x" # string offset=184 .Linfo_string4: .asciz "int" # string offset=186 .Linfo_string5: .asciz "main" # string offset=190 .section .debug_str_offsets,"",@progbits .long .Linfo_string0 .long .Linfo_string1 .long .Linfo_string2 .long .Linfo_string3 .long .Linfo_string4 .long .Linfo_string5 .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_names,"",@progbits .long .Lnames_end0-.Lnames_start0 # Header: unit length .Lnames_start0: .short 5 # Header: version .short 0 # Header: padding .long 1 # Header: compilation unit count .long 0 # Header: local type unit count .long 0 # Header: foreign type unit count .long 3 # Header: bucket count .long 3 # Header: name count .long .Lnames_abbrev_end0-.Lnames_abbrev_start0 # Header: abbreviation table size .long 8 # Header: augmentation string size .ascii "LLVM0700" # Header: augmentation string .long .Lcu_begin0 # Compilation unit 0 .long 1 # Bucket 0 .long 2 # Bucket 1 .long 3 # Bucket 2 .long 177693 # Hash in Bucket 0 .long 2090499946 # Hash in Bucket 1 .long 193495088 # Hash in Bucket 2 .long .Linfo_string3 # String in Bucket 0: x .long .Linfo_string5 # String in Bucket 1: main .long .Linfo_string4 # String in Bucket 2: int .long .Lnames1-.Lnames_entries0 # Offset in Bucket 0 .long .Lnames2-.Lnames_entries0 # Offset in Bucket 1 .long .Lnames0-.Lnames_entries0 # Offset in Bucket 2 .Lnames_abbrev_start0: .byte 1 # Abbrev code .byte 52 # DW_TAG_variable .byte 3 # DW_IDX_die_offset .byte 19 # DW_FORM_ref4 .byte 4 # DW_IDX_parent .byte 25 # DW_FORM_flag_present .byte 0 # End of abbrev .byte 0 # End of abbrev .byte 2 # Abbrev code .byte 46 # DW_TAG_subprogram .byte 3 # DW_IDX_die_offset .byte 19 # DW_FORM_ref4 .byte 4 # DW_IDX_parent .byte 25 # DW_FORM_flag_present .byte 0 # End of abbrev .byte 0 # End of abbrev .byte 3 # Abbrev code .byte 36 # DW_TAG_base_type .byte 3 # DW_IDX_die_offset .byte 19 # DW_FORM_ref4 .byte 4 # DW_IDX_parent .byte 25 # DW_FORM_flag_present .byte 0 # End of abbrev .byte 0 # End of abbrev .byte 0 # End of abbrev list .Lnames_abbrev_end0: .Lnames_entries0: .Lnames1: .L2: .byte 1 # Abbreviation code .long 35 # DW_IDX_die_offset .byte 0 # DW_IDX_parent # End of list: x .Lnames2: .L0: .byte 2 # Abbreviation code .long 58 # DW_IDX_die_offset .byte 0 # DW_IDX_parent # End of list: main .Lnames0: .L1: .byte 3 # Abbreviation code .long 54 # DW_IDX_die_offset .byte 0 # DW_IDX_parent # End of list: int .p2align 2, 0x0 .Lnames_end0: .ident "clang version 17.0.4 (https://git.internal.tfbnw.net/repos/git/rw/osmeta/external/llvm-project 8d1fd9f463cb31caf429b83cf7a5baea5f67e54a)" .section ".note.GNU-stack","",@progbits .addrsig .section .debug_line,"",@progbits .Lline_table_start0: