| # This tests the computation of the scope bytes covered by local variables. In |
| # particular, the case when the variable starts in the middle of the enclosing |
| # scope, and the compile unit has both DW_AT_ranges and DW_AT_low_pc attributes. |
| |
| # RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj -o %t |
| # RUN: llvm-dwarfdump --statistics %t | FileCheck %s |
| |
| # CHECK: "sum_all_local_vars(#bytes in parent scope)": 12, |
| # CHECK: "sum_all_local_vars(#bytes in parent scope covered by DW_AT_location)": 8, |
| |
| .text |
| |
| # Add padding to ensure the function does not start at address zero. |
| .zero 256 |
| |
| f: # @f |
| .Lf_begin: |
| .zero 4 |
| .Lx_begin: |
| .zero 8 |
| .Lf_end: |
| |
| .section .debug_ranges,"",@progbits |
| .Ldebug_ranges: |
| .quad .Lf_begin |
| .quad .Lf_end |
| .quad 0 |
| .quad 0 |
| |
| .section .debug_loc,"",@progbits |
| .Ldebug_loc: |
| .quad .Lx_begin |
| .quad .Lf_end |
| .short 1 # Loc expr size |
| .byte 85 # super-register DW_OP_reg5 |
| .quad 0 |
| .quad 0 |
| |
| |
| .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 8 # DW_FORM_string |
| .byte 17 # DW_AT_low_pc |
| .byte 1 # DW_FORM_addr |
| .byte 85 # DW_AT_ranges |
| .byte 23 # DW_FORM_sec_offset |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| .byte 2 # Abbreviation Code |
| .byte 46 # DW_TAG_subprogram |
| .byte 1 # DW_CHILDREN_yes |
| .byte 17 # DW_AT_low_pc |
| .byte 1 # DW_FORM_addr |
| .byte 18 # DW_AT_high_pc |
| .byte 6 # DW_FORM_data4 |
| .byte 3 # DW_AT_name |
| .byte 8 # DW_FORM_string |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| .byte 3 # Abbreviation Code |
| .byte 52 # DW_TAG_variable |
| .byte 0 # DW_CHILDREN_no |
| .byte 2 # DW_AT_location |
| .byte 23 # DW_FORM_sec_offset |
| .byte 3 # DW_AT_name |
| .byte 8 # DW_FORM_string |
| .byte 73 # DW_AT_type |
| .byte 19 # DW_FORM_ref4 |
| .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 8 # DW_FORM_string |
| .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_begin: |
| .long .Ldebug_info_end-.Ldebug_info_start # Length of Unit |
| .Ldebug_info_start: |
| .short 4 # DWARF version number |
| .long .debug_abbrev # Offset Into Abbrev. Section |
| .byte 8 # Address Size (in bytes) |
| .byte 1 # Abbrev [1] 0xb:0x64 DW_TAG_compile_unit |
| .asciz "Hand-written DWARF" # DW_AT_producer |
| .quad 0 # DW_AT_low_pc |
| .long .Ldebug_ranges # DW_AT_ranges |
| .byte 2 # Abbrev [2] 0x2a:0x28 DW_TAG_subprogram |
| .quad .Lf_begin # DW_AT_low_pc |
| .long .Lf_end-.Lf_begin # DW_AT_high_pc |
| .asciz "f" # DW_AT_name |
| .byte 3 # Abbrev [3] 0x43:0xe DW_TAG_variable |
| .long .Ldebug_loc # DW_AT_location |
| .asciz "x" # DW_AT_name |
| .long .Lint # DW_AT_type |
| .byte 0 # End Of Children Mark |
| .Lint: |
| .byte 5 # Abbrev [5] 0x67:0x7 DW_TAG_base_type |
| .asciz "int" # DW_AT_name |
| .byte 5 # DW_AT_encoding |
| .byte 4 # DW_AT_byte_size |
| .byte 0 # End Of Children Mark |
| .Ldebug_info_end: |
