llvm/test/tools/llvm-dwarfdump/X86/locstats-bytes-overflow.yaml

   1 # RUN: yaml2obj %s -o %t.o
   2 # RUN: llvm-dwarfdump --statistics %t.o 2>&1 | FileCheck %s
   3 # RUN: rm %t.o
   4
   5 ## Check that we are covering the situation when a stat field overflows.
   6 ##
   7 ## The yaml represents this DWARF:
   8 ##
   9 ## DW_TAG_compile_unit
  10 ##   DW_AT_low_pc (0x0000000000000000)
  11 ##   DW_AT_high_pc  (0x000000000000000b)
  12 ##
  13 ##   DW_TAG_subprogram
  14 ##     DW_AT_low_pc (0x0000000000000000)
  15 ##     DW_AT_high_pc  (0xffffffffffffffff)
  16 ##       DW_TAG_variable
  17 ##         DW_AT_location (0x00000023:
  18 ##            [0x0000000000000003, 0x0000000000000005): DW_OP_reg2 RCX)
  19 ##   DW_TAG_subprogram
  20 ##     DW_AT_low_pc    (0x0000000000000000)
  21 ##     DW_AT_high_pc   (0xffffffffffffffff)
  22 ##     DW_TAG_variable
  23 ##       DW_AT_location        (0x00000023:
  24 ##             [0x0000000000000003, 0x0000000000000005): DW_OP_reg2 RCX)
  25
  26 # CHECK: "sum_all_variables(#bytes in parent scope)": "overflowed"
  27
  28 --- !ELF
  29 FileHeader:
  30   Class:   ELFCLASS[[BITS=64]]
  31   Data:    ELFDATA2LSB
  32   Type:    ET_EXEC
  33   Machine: EM_X86_64
  34 Sections:
  35   - Name:         .debug_loc
  36     Type:         SHT_PROGBITS
  37     AddressAlign: 0x01
  38     Content:      '00000000000000000600000000000000010055000000000000000000000000000000000300000000000000050000000000000001005200000000000000000000000000000000'
  39   - Name:         .debug_ranges
  40     Type:         SHT_PROGBITS
  41     AddressAlign: 0x01
  42     Content:      '000000000000000003000000000000000500000000000000080000000000000000000000000000000000000000000000'
  43 DWARF:
  44   debug_abbrev:
  45     - Table:
  46       - Code:     1
  47         Tag:      DW_TAG_compile_unit
  48         Children: DW_CHILDREN_yes
  49         Attributes:
  50           - Attribute: DW_AT_low_pc
  51             Form:      DW_FORM_addr
  52           - Attribute: DW_AT_high_pc
  53             Form:      DW_FORM_data8
  54       - Code:     2
  55         Tag:      DW_TAG_subprogram
  56         Children: DW_CHILDREN_yes
  57         Attributes:
  58           - Attribute: DW_AT_low_pc
  59             Form:      DW_FORM_addr
  60           - Attribute: DW_AT_high_pc
  61             Form:      DW_FORM_data8
  62       - Code:     3
  63         Tag:      DW_TAG_variable
  64         Children: DW_CHILDREN_no
  65         Attributes:
  66           - Attribute: DW_AT_location
  67             Form:      DW_FORM_sec_offset
  68   debug_info:
  69     - Version:    4
  70       AbbrOffset: 0x00
  71       Entries:
  72         - AbbrCode: 1 ## DW_TAG_compile_unit
  73           Values:
  74             - Value: 0x00 ## DW_AT_low_pc
  75             - Value: 0x0b ## DW_AT_high_pc
  76         - AbbrCode: 2 ## DW_TAG_subprogram
  77           Values:
  78             - Value: 0x00 ## DW_AT_low_pc
  79             - Value: 0xFFFFFFFFFFFFFFFF ## DW_AT_high_pc
  80         - AbbrCode: 3 ## DW_TAG_variable
  81           Values:
  82             - Value: 0x23 ## DW_AT_sec_offset
  83         - AbbrCode: 0 ## NULL
  84         - AbbrCode: 2 ## DW_TAG_subprogram
  85           Values:
  86             - Value: 0x00 ## DW_AT_low_pc
  87             - Value: 0xFFFFFFFFFFFFFFFF ## DW_AT_high_pc
  88         - AbbrCode: 3 ## DW_TAG_variable
  89           Values:
  90             - Value: 0x23 ## DW_AT_sec_offset
  91         - AbbrCode: 0 ## NULL
  92         - AbbrCode: 0 ## NULL