| # This test that we don't get confused by line tables containing a tombstone |
| # (-1) value, as produced by recent lld's. Line sequences with the tombstone |
| # value should be completely ignored. The tombstone sequence is deliberately |
| # longer so that any attempt at an address binary search will likely land inside |
| # the sequence. |
| |
| # RUN: llvm-mc --filetype=obj --triple=x86_64-pc-linux %s -o %t |
| # RUN: %lldb -o "image lookup -n main -v" -o "image dump line-table main.cpp" \ |
| # RUN: -o exit %t | FileCheck %s |
| |
| # CHECK-LABEL: image lookup -n main -v |
| # CHECK: LineEntry: [0x0000000000001000-0x0000000000001001): main.cpp:1 |
| # CHECK-LABEL: image dump line-table main.cpp |
| # CHECK-NEXT: Line table for main.cpp |
| # CHECK-NEXT: 0x0000000000001000: main.cpp:1 |
| # CHECK-NEXT: 0x0000000000001001: main.cpp:1 |
| # CHECK-EMPTY: |
| # CHECK-NEXT: exit |
| |
| .text |
| .space 0x1000 |
| main: |
| nop |
| .Lmain_end: |
| |
| .section .debug_abbrev,"",@progbits |
| .byte 1 # Abbreviation Code |
| .byte 17 # DW_TAG_compile_unit |
| .byte 0 # DW_CHILDREN_no |
| .byte 37 # DW_AT_producer |
| .byte 8 # DW_FORM_string |
| .byte 3 # DW_AT_name |
| .byte 8 # DW_FORM_string |
| .byte 16 # DW_AT_stmt_list |
| .byte 23 # DW_FORM_sec_offset |
| .byte 17 # DW_AT_low_pc |
| .byte 1 # DW_FORM_addr |
| .byte 18 # DW_AT_high_pc |
| .byte 6 # DW_FORM_data4 |
| .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 0 # Offset Into Abbrev. Section |
| .byte 8 # Address Size (in bytes) |
| .byte 1 # Abbrev [1] 0xb:0xc4 DW_TAG_compile_unit |
| .asciz "Hand-written DWARF" # DW_AT_producer |
| .asciz "main.cpp" # DW_AT_name |
| .long 0 # DW_AT_stmt_list |
| .quad main-.text # DW_AT_low_pc |
| .long .Lmain_end-main # DW_AT_high_pc |
| .Ldebug_info_end0: |
| |
| .section .debug_line,"",@progbits |
| .long .Llt1_end - .Llt1_start # Length of Unit (DWARF-32 format) |
| .Llt1_start: |
| .short 4 # DWARF version number |
| .long .Lprologue1_end-.Lprologue1_start # Length of Prologue |
| .Lprologue1_start: |
| .byte 1 # Minimum Instruction Length |
| .byte 1 # Maximum Operations per Instruction |
| .byte 1 # Default is_stmt |
| .byte -5 # Line Base |
| .byte 14 # Line Range |
| .byte 13 # Opcode Base |
| .byte 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 1 # Standard Opcode Lengths |
| .byte 0 |
| .asciz "main.cpp" # File table |
| .byte 0, 0, 0 |
| .byte 0 |
| .Lprologue1_end: |
| .byte 0, 9, 2 # DW_LNE_set_address |
| .quad -1 |
| .byte 1 # DW_LNS_copy |
| .byte 33 # address += 1, line += 1 |
| .byte 33 # address += 1, line += 1 |
| .byte 33 # address += 1, line += 1 |
| .byte 33 # address += 1, line += 1 |
| .byte 33 # address += 1, line += 1 |
| .byte 33 # address += 1, line += 1 |
| .byte 33 # address += 1, line += 1 |
| .byte 33 # address += 1, line += 1 |
| .byte 33 # address += 1, line += 1 |
| .byte 33 # address += 1, line += 1 |
| .byte 33 # address += 1, line += 1 |
| .byte 33 # address += 1, line += 1 |
| .byte 33 # address += 1, line += 1 |
| .byte 33 # address += 1, line += 1 |
| .byte 33 # address += 1, line += 1 |
| .byte 2 # DW_LNS_advance_pc |
| .uleb128 1 |
| .byte 0, 1, 1 # DW_LNE_end_sequence |
| |
| .byte 0, 9, 2 # DW_LNE_set_address |
| .quad main-.text |
| .byte 18 # address += 0, line += 0 |
| .byte 2 # DW_LNS_advance_pc |
| .uleb128 1 |
| .byte 0, 1, 1 # DW_LNE_end_sequence |
| .Llt1_end: |
| |
