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1# This tests a bug where we would incorrectly parse the size of an array if that2# size happened to match an existing DIE offset. This happened because we3# misinterpreted that value as a reference to a DIE specifying the VLA size even4# though the form was a data form (as it should be).5 6# REQUIRES: lld7 8# RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj > %t.o9# RUN: ld.lld %t.o -o %t10# RUN: lldb-test symbols %t | FileCheck %s11 12# CHECK: Variable{0x0000001e}, name = "X"13# CHECK-SAME: type = {0000000000000033} 0x{{[0-9A-F]*}} (char[56])14 15 16# Generated from "char X[47];"17# The array size was modified by hand.18 19 .text20 .file "-"21 .file 1 "/tmp" "<stdin>"22 .type X,@object # @X23 .comm X,63,1624 .section .debug_str,"MS",@progbits,125.Linfo_string0:26 .asciz "clang version 8.0.0 (trunk 349604) (llvm/trunk 349608)" # string offset=027.Linfo_string1:28 .asciz "-" # string offset=5529.Linfo_string2:30 .asciz "/tmp" # string offset=5731.Linfo_string3:32 .asciz "X" # string offset=6233.Linfo_string4:34 .asciz "char" # string offset=6435.Linfo_string5:36 .asciz "__ARRAY_SIZE_TYPE__" # string offset=6937 .section .debug_abbrev,"",@progbits38 .byte 1 # Abbreviation Code39 .byte 17 # DW_TAG_compile_unit40 .byte 1 # DW_CHILDREN_yes41 .byte 37 # DW_AT_producer42 .byte 14 # DW_FORM_strp43 .byte 19 # DW_AT_language44 .byte 5 # DW_FORM_data245 .byte 3 # DW_AT_name46 .byte 14 # DW_FORM_strp47 .byte 16 # DW_AT_stmt_list48 .byte 23 # DW_FORM_sec_offset49 .byte 27 # DW_AT_comp_dir50 .byte 14 # DW_FORM_strp51 .byte 0 # EOM(1)52 .byte 0 # EOM(2)53 .byte 2 # Abbreviation Code54 .byte 52 # DW_TAG_variable55 .byte 0 # DW_CHILDREN_no56 .byte 3 # DW_AT_name57 .byte 14 # DW_FORM_strp58 .byte 73 # DW_AT_type59 .byte 19 # DW_FORM_ref460 .byte 63 # DW_AT_external61 .byte 25 # DW_FORM_flag_present62 .byte 58 # DW_AT_decl_file63 .byte 11 # DW_FORM_data164 .byte 59 # DW_AT_decl_line65 .byte 11 # DW_FORM_data166 .byte 2 # DW_AT_location67 .byte 24 # DW_FORM_exprloc68 .byte 0 # EOM(1)69 .byte 0 # EOM(2)70 .byte 3 # Abbreviation Code71 .byte 1 # DW_TAG_array_type72 .byte 1 # DW_CHILDREN_yes73 .byte 73 # DW_AT_type74 .byte 19 # DW_FORM_ref475 .byte 0 # EOM(1)76 .byte 0 # EOM(2)77 .byte 4 # Abbreviation Code78 .byte 33 # DW_TAG_subrange_type79 .byte 0 # DW_CHILDREN_no80 .byte 73 # DW_AT_type81 .byte 19 # DW_FORM_ref482 .byte 55 # DW_AT_count83 .byte 11 # DW_FORM_data184 .byte 0 # EOM(1)85 .byte 0 # EOM(2)86 .byte 5 # Abbreviation Code87 .byte 36 # DW_TAG_base_type88 .byte 0 # DW_CHILDREN_no89 .byte 3 # DW_AT_name90 .byte 14 # DW_FORM_strp91 .byte 62 # DW_AT_encoding92 .byte 11 # DW_FORM_data193 .byte 11 # DW_AT_byte_size94 .byte 11 # DW_FORM_data195 .byte 0 # EOM(1)96 .byte 0 # EOM(2)97 .byte 6 # Abbreviation Code98 .byte 36 # DW_TAG_base_type99 .byte 0 # DW_CHILDREN_no100 .byte 3 # DW_AT_name101 .byte 14 # DW_FORM_strp102 .byte 11 # DW_AT_byte_size103 .byte 11 # DW_FORM_data1104 .byte 62 # DW_AT_encoding105 .byte 11 # DW_FORM_data1106 .byte 0 # EOM(1)107 .byte 0 # EOM(2)108 .byte 0 # EOM(3)109 .section .debug_info,"",@progbits110.Lcu_begin0:111 .long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit112.Ldebug_info_start0:113 .short 4 # DWARF version number114 .long .debug_abbrev # Offset Into Abbrev. Section115 .byte 8 # Address Size (in bytes)116 .byte 1 # Abbrev [1] 0xb:0x43 DW_TAG_compile_unit117 .long .Linfo_string0 # DW_AT_producer118 .short 12 # DW_AT_language119 .long .Linfo_string1 # DW_AT_name120 .long 0 # DW_AT_stmt_list121 .long .Linfo_string2 # DW_AT_comp_dir122 .byte 2 # Abbrev [2] 0x1e:0x15 DW_TAG_variable123 .long .Linfo_string3 # DW_AT_name124 .long 51 # DW_AT_type125 # DW_AT_external126 .byte 1 # DW_AT_decl_file127 .byte 1 # DW_AT_decl_line128 .byte 9 # DW_AT_location129 .byte 3130 .quad X131 .byte 3 # Abbrev [3] 0x33:0xc DW_TAG_array_type132 .long 63 # DW_AT_type133.Ldie:134 .byte 4 # Abbrev [4] 0x38:0x6 DW_TAG_subrange_type135 .long 70 # DW_AT_type136 .byte .Ldie-.Lcu_begin0 # DW_AT_count - should match the offset of an existing die137 .byte 0 # End Of Children Mark138 .byte 5 # Abbrev [5] 0x3f:0x7 DW_TAG_base_type139 .long .Linfo_string4 # DW_AT_name140 .byte 6 # DW_AT_encoding141 .byte 1 # DW_AT_byte_size142 .byte 6 # Abbrev [6] 0x46:0x7 DW_TAG_base_type143 .long .Linfo_string5 # DW_AT_name144 .byte 8 # DW_AT_byte_size145 .byte 7 # DW_AT_encoding146 .byte 0 # End Of Children Mark147.Ldebug_info_end0:148