| # RUN: llvm-mc -triple x86_64-unknown-linux %s -filetype=obj -o %t.o |
| # RUN: llvm-dwarfdump -v %t.o | FileCheck --check-prefix=INVALIDLENGTH %s |
| # |
| # Test object to verify that llvm-dwarfdump handles an invalid string offsets |
| # table. |
| |
| .section .debug_str,"MS",@progbits,1 |
| str_producer: |
| .asciz "Handmade DWARF producer" |
| str_CU1: |
| .asciz "Compile_Unit_1" |
| |
| # A rudimentary abbrev section. |
| .section .debug_abbrev,"",@progbits |
| .byte 0x01 # Abbrev code |
| .byte 0x11 # DW_TAG_compile_unit |
| .byte 0x00 # DW_CHILDREN_no |
| .byte 0x72 # DW_AT_str_offsets_base |
| .byte 0x17 # DW_FORM_sec_offset |
| .byte 0x00 # EOM(1) |
| .byte 0x00 # EOM(2) |
| .byte 0x00 # EOM(3) |
| |
| # A rudimentary compile unit to convince dwarfdump that we are dealing with a |
| # DWARF v5 string offsets table. |
| .section .debug_info,"",@progbits |
| |
| # DWARF v5 CU header. |
| .long CU1_5_end-CU1_5_version # Length of Unit |
| CU1_5_version: |
| .short 5 # DWARF version number |
| .byte 1 # DWARF Unit Type |
| .byte 8 # Address Size (in bytes) |
| .long .debug_abbrev # Offset Into Abbrev. Section |
| # A compile-unit DIE, which has no attributes. |
| .byte 1 # Abbreviation code |
| .long .debug_str_offsets_base0 |
| CU1_5_end: |
| |
| # Every unit contributes to the string_offsets table. |
| .section .debug_str_offsets,"",@progbits |
| # CU1's contribution |
| # The length is not a multiple of 4. Check that we don't read off the |
| # end. |
| .long .debug_str_offsets_segment0_end-.debug_str_offsets_base0+4 |
| .short 5 # DWARF version |
| .short 0 # Padding |
| .debug_str_offsets_base0: |
| .long str_producer |
| .long str_CU1 |
| .byte 0 |
| .debug_str_offsets_segment0_end: |
| |
| # INVALIDLENGTH: .debug_str_offsets contents: |
| # INVALIDLENGTH-NOT: contents: |
| # INVALIDLENGTH: error: invalid contribution to string offsets table in section .debug_str_offsets. |
