# REQUIRES: x86 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o # RUN: llvm-dwarfdump -v %t.o | FileCheck -check-prefix=INPUT %s # INPUT: .debug_info contents: # INPUT: DW_TAG_variable # INPUT-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[0x00000027] = "foo") # INPUT-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x0033 => {0x00000033} "int") # INPUT-NEXT: DW_AT_external [DW_FORM_flag_present] (true) # INPUT-NEXT: DW_AT_decl_file [DW_FORM_data1] ("/home/path/test.c") # INPUT-NEXT: DW_AT_decl_line [DW_FORM_data1] (1) # INPUT-NEXT: DW_AT_location [DW_FORM_exprloc] (DW_OP_addr 0x0) # INPUT: DW_TAG_variable # INPUT-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[0x0000002f] = "bar") # INPUT-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x0033 => {0x00000033} "int") # INPUT-NEXT: DW_AT_external [DW_FORM_flag_present] (true) # INPUT-NEXT: DW_AT_decl_file [DW_FORM_data1] ("/home/path/test.c") # INPUT-NEXT: DW_AT_decl_line [DW_FORM_data1] (2) # INPUT-NEXT: DW_AT_location [DW_FORM_exprloc] (DW_OP_addr 0x0) ## Check we use information from .debug_info in messages. # RUN: not ld.lld %t.o %t.o -o /dev/null 2>&1 | FileCheck %s # CHECK: duplicate symbol: bar # CHECK-NEXT: >>> defined at test.c:2 # CHECK-NEXT: >>> {{.*}}:(bar) # CHECK-NEXT: >>> defined at test.c:2 # CHECK-NEXT: >>> {{.*}}:(.data+0x0) # CHECK: duplicate symbol: foo # CHECK-NEXT: >>> defined at test.c:1 # CHECK-NEXT: >>> {{.*}}:(foo) # CHECK-NEXT: >>> defined at test.c:1 # CHECK-NEXT: >>> {{.*}}:(.bss+0x0) # Used reduced output from following code and clang # version 6.0.0 (trunk 316661) to produce this input file: # Source (test.c): # int foo = 0; # int bar = 1; # Invocation: clang -g -S test.c .text .file "test.c" .file 1 "test.c" .type foo,@object .bss .globl foo .p2align 2 foo: .long 0 .size foo, 4 .type bar,@object .data .globl bar .p2align 2 bar: .long 1 .size bar, 4 .section .debug_str,"MS",@progbits,1 .Linfo_string0: .asciz "clang version 6.0.0" .Linfo_string1: .asciz "test.c" .Linfo_string2: .asciz "/home/path/" .Linfo_string3: .asciz "foo" .Linfo_string4: .asciz "int" .Linfo_string5: .asciz "bar" .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 14 # DW_FORM_strp .byte 19 # DW_AT_language .byte 5 # DW_FORM_data2 .byte 3 # DW_AT_name .byte 14 # DW_FORM_strp .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 .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 14 # DW_FORM_strp .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 14 # DW_FORM_strp .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_info,"",@progbits .Lcu_begin0: .long 76 # Length of Unit .short 4 # DWARF version number .long .debug_abbrev # Offset Into Abbrev. Section .byte 8 # Address Size (in bytes) .byte 1 # Abbrev [1] 0xb:0x45 DW_TAG_compile_unit .long .Linfo_string0 # DW_AT_producer .short 12 # DW_AT_language .long .Linfo_string1 # DW_AT_name .long 0 # DW_AT_stmt_list .long .Linfo_string2 # DW_AT_comp_dir .byte 2 # Abbrev [2] 0x1e:0x15 DW_TAG_variable .long .Linfo_string3 # DW_AT_name .long 51 # DW_AT_type .byte 1 # DW_AT_decl_file .byte 1 # DW_AT_decl_line .byte 9 # DW_AT_location .byte 3 .quad foo .byte 3 # Abbrev [3] 0x33:0x7 DW_TAG_base_type .long .Linfo_string4 # DW_AT_name .byte 5 # DW_AT_encoding .byte 4 # DW_AT_byte_size .byte 2 # Abbrev [2] 0x3a:0x15 DW_TAG_variable .long .Linfo_string5 # DW_AT_name .long 51 # DW_AT_type .byte 1 # DW_AT_decl_file .byte 2 # DW_AT_decl_line .byte 9 # DW_AT_location .byte 3 .quad bar .byte 0 # End Of Children Mark