| # This tests a bug where we would incorrectly parse the size of an array if that |
| # size happened to match an existing DIE offset. This happened because we |
| # misinterpreted that value as a reference to a DIE specifying the VLA size even |
| # though the form was a data form (as it should be). |
| |
| # REQUIRES: lld, x86 |
| |
| # RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj > %t.o |
| # RUN: ld.lld %t.o -o %t |
| # RUN: lldb-test symbols %t | FileCheck %s |
| |
| # CHECK: Variable{0x7fffffff0000001e}, name = "X" |
| # CHECK-SAME: type = {7fffffff00000033} 0x{{[0-9a-f]*}} (char [56]) |
| |
| |
| # Generated from "char X[47];" |
| # The array size was modified by hand. |
| |
| .text |
| .file "-" |
| .file 1 "/tmp" "<stdin>" |
| .type X,@object # @X |
| .comm X,63,16 |
| .section .debug_str,"MS",@progbits,1 |
| .Linfo_string0: |
| .asciz "clang version 8.0.0 (trunk 349604) (llvm/trunk 349608)" # string offset=0 |
| .Linfo_string1: |
| .asciz "-" # string offset=55 |
| .Linfo_string2: |
| .asciz "/tmp" # string offset=57 |
| .Linfo_string3: |
| .asciz "X" # string offset=62 |
| .Linfo_string4: |
| .asciz "char" # string offset=64 |
| .Linfo_string5: |
| .asciz "__ARRAY_SIZE_TYPE__" # string offset=69 |
| .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 |
| .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 1 # DW_TAG_array_type |
| .byte 1 # DW_CHILDREN_yes |
| .byte 73 # DW_AT_type |
| .byte 19 # DW_FORM_ref4 |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| .byte 4 # Abbreviation Code |
| .byte 33 # DW_TAG_subrange_type |
| .byte 0 # DW_CHILDREN_no |
| .byte 73 # DW_AT_type |
| .byte 19 # DW_FORM_ref4 |
| .byte 55 # DW_AT_count |
| .byte 11 # DW_FORM_data1 |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| .byte 5 # 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 6 # Abbreviation Code |
| .byte 36 # DW_TAG_base_type |
| .byte 0 # DW_CHILDREN_no |
| .byte 3 # DW_AT_name |
| .byte 14 # DW_FORM_strp |
| .byte 11 # DW_AT_byte_size |
| .byte 11 # DW_FORM_data1 |
| .byte 62 # DW_AT_encoding |
| .byte 11 # DW_FORM_data1 |
| .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:0x43 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 |
| # DW_AT_external |
| .byte 1 # DW_AT_decl_file |
| .byte 1 # DW_AT_decl_line |
| .byte 9 # DW_AT_location |
| .byte 3 |
| .quad X |
| .byte 3 # Abbrev [3] 0x33:0xc DW_TAG_array_type |
| .long 63 # DW_AT_type |
| .Ldie: |
| .byte 4 # Abbrev [4] 0x38:0x6 DW_TAG_subrange_type |
| .long 70 # DW_AT_type |
| .byte .Ldie-.Lcu_begin0 # DW_AT_count - should match the offset of an existing die |
| .byte 0 # End Of Children Mark |
| .byte 5 # Abbrev [5] 0x3f:0x7 DW_TAG_base_type |
| .long .Linfo_string4 # DW_AT_name |
| .byte 6 # DW_AT_encoding |
| .byte 1 # DW_AT_byte_size |
| .byte 6 # Abbrev [6] 0x46:0x7 DW_TAG_base_type |
| .long .Linfo_string5 # DW_AT_name |
| .byte 8 # DW_AT_byte_size |
| .byte 7 # DW_AT_encoding |
| .byte 0 # End Of Children Mark |
| .Ldebug_info_end0: |
