lld/test/ELF/gdb-index-rng-lists.s

   1 # REQUIRES: x86
   2 # RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t1.o
   3 # RUN: ld.lld --gdb-index %t1.o -o %t 2>&1 | FileCheck --check-prefix=LLD %s
   4 # RUN: llvm-dwarfdump -gdb-index %t | FileCheck %s
   5
   6 # FIXME: Remove this once lld correctly returns non-zero on errors like this
   7 # There's no other behavior to test hidden behind this error - lld only parses
   8 # the CU for the address ranges, it doesn't need to decode any strings.
   9 # LLD-NOT: error:
  10
  11 ## The code contains DWARF v5 sections .debug_rnglists and .debug_addr.
  12 ## Check we are able to build the correct address
  13 ## area using address range lists.
  14
  15 # CHECK:      .gdb_index contents:
  16 # CHECK:      Address area offset = 0x28, has 2 entries:
  17 # CHECK-NEXT:  Low/High address = [0x201120, 0x201121) (Size: 0x1), CU id = 0
  18 # CHECK-NEXT:  Low/High address = [0x201121, 0x201123) (Size: 0x2), CU id = 0
  19
  20 .text
  21 .section .text._Z3zedv,"ax",@progbits
  22 .Lfunc_begin0:
  23   retq
  24 .Lfunc_end0:
  25
  26 .section .text.main,"ax",@progbits
  27 .Lfunc_begin1:
  28  retq
  29  retq
  30 .Lfunc_end1:
  31
  32 .section .debug_str_offsets,"",@progbits
  33 .long 32
  34 .short 5
  35 .short 0
  36 .Lstr_offsets_base0:
  37  .long .Linfo_string0
  38  .long .Linfo_string0
  39  .long .Linfo_string0
  40  .long .Linfo_string0
  41  .long .Linfo_string0
  42  .long .Linfo_string0
  43  .long .Linfo_string0
  44
  45 .section .debug_str,"MS",@progbits,1
  46 .Linfo_string0:
  47  .asciz "stub"
  48
  49 .section .debug_abbrev,"",@progbits
  50   .byte  1                           # Abbreviation Code
  51   .byte  17                          # DW_TAG_compile_unit
  52   .byte  1                           # DW_CHILDREN_yes
  53   .byte  37                          # DW_AT_producer
  54   .byte  37                          # DW_FORM_strx1
  55   .byte  19                          # DW_AT_language
  56   .byte  5                           # DW_FORM_data2
  57   .byte  3                           # DW_AT_name
  58   .byte  37                          # DW_FORM_strx1
  59   .byte  114                         # DW_AT_str_offsets_base
  60   .byte  23                          # DW_FORM_sec_offset
  61   .byte  16                          # DW_AT_stmt_list
  62   .byte  23                          # DW_FORM_sec_offset
  63   .byte  27                          # DW_AT_comp_dir
  64   .byte  37                          # DW_FORM_strx1
  65   .byte  115                         # DW_AT_addr_base
  66   .byte  23                          # DW_FORM_sec_offset
  67   .byte  17                          # DW_AT_low_pc
  68   .byte  1                           # DW_FORM_addr
  69   .byte  85                          # DW_AT_ranges
  70   .byte  35                          # DW_FORM_rnglistx
  71   .byte  116                         # DW_AT_rnglists_base
  72   .byte  23                          # DW_FORM_sec_offset
  73   .byte  0                           # EOM(1)
  74   .byte  0                           # EOM(2)
  75   .byte  2                           # Abbreviation Code
  76   .byte  46                          # DW_TAG_subprogram
  77   .byte  0                           # DW_CHILDREN_no
  78   .byte  17                          # DW_AT_low_pc
  79   .byte  27                          # DW_FORM_addrx
  80   .byte  18                          # DW_AT_high_pc
  81   .byte  6                           # DW_FORM_data4
  82   .byte  64                          # DW_AT_frame_base
  83   .byte  24                          # DW_FORM_exprloc
  84   .byte  110                         # DW_AT_linkage_name
  85   .byte  37                          # DW_FORM_strx1
  86   .byte  3                           # DW_AT_name
  87   .byte  37                          # DW_FORM_strx1
  88   .byte  58                          # DW_AT_decl_file
  89   .byte  11                          # DW_FORM_data1
  90   .byte  59                          # DW_AT_decl_line
  91   .byte  11                          # DW_FORM_data1
  92   .byte  73                          # DW_AT_type
  93   .byte  19                          # DW_FORM_ref4
  94   .byte  63                          # DW_AT_external
  95   .byte  25                          # DW_FORM_flag_present
  96   .byte  0                           # EOM(1)
  97   .byte  0                           # EOM(2)
  98   .byte  3                           # Abbreviation Code
  99   .byte  46                          # DW_TAG_subprogram
 100   .byte  0                           # DW_CHILDREN_no
 101   .byte  17                          # DW_AT_low_pc
 102   .byte  27                          # DW_FORM_addrx
 103   .byte  18                          # DW_AT_high_pc
 104   .byte  6                           # DW_FORM_data4
 105   .byte  64                          # DW_AT_frame_base
 106   .byte  24                          # DW_FORM_exprloc
 107   .byte  3                           # DW_AT_name
 108   .byte  37                          # DW_FORM_strx1
 109   .byte  58                          # DW_AT_decl_file
 110   .byte  11                          # DW_FORM_data1
 111   .byte  59                          # DW_AT_decl_line
 112   .byte  11                          # DW_FORM_data1
 113   .byte  73                          # DW_AT_type
 114   .byte  19                          # DW_FORM_ref4
 115   .byte  63                          # DW_AT_external
 116   .byte  25                          # DW_FORM_flag_present
 117   .byte  0                           # EOM(1)
 118   .byte  0                           # EOM(2)
 119   .byte  4                           # Abbreviation Code
 120   .byte  36                          # DW_TAG_base_type
 121   .byte  0                           # DW_CHILDREN_no
 122   .byte  3                           # DW_AT_name
 123   .byte  37                          # DW_FORM_strx1
 124   .byte  62                          # DW_AT_encoding
 125   .byte  11                          # DW_FORM_data1
 126   .byte  11                          # DW_AT_byte_size
 127   .byte  11                          # DW_FORM_data1
 128   .byte  0                           # EOM(1)
 129   .byte  0                           # EOM(2)
 130   .byte  0                           # EOM(3)
 131
 132 .section .debug_info,"",@progbits
 133 .Lcu_begin0:
 134   .long  75                          # Length of Unit
 135   .short 5                           # DWARF version number
 136   .byte  1                           # DWARF Unit Type
 137   .byte  8                           # Address Size (in bytes)
 138   .long  .debug_abbrev               # Offset Into Abbrev. Section
 139
 140   .byte  1                           # Abbrev [1] 0xc:0x43 DW_TAG_compile_unit
 141   .byte  0                           # DW_AT_producer
 142   .short 4                           # DW_AT_language
 143   .byte  1                           # DW_AT_name
 144   .long  .Lstr_offsets_base0         # DW_AT_str_offsets_base
 145   .long  0                           # DW_AT_stmt_list
 146   .byte  2                           # DW_AT_comp_dir
 147   .long  .Laddr_table_base0          # DW_AT_addr_base
 148   .quad  0                           # DW_AT_low_pc
 149   .byte  0                           # DW_AT_ranges
 150   .long  .Lrnglists_table_base0      # DW_AT_rnglists_base
 151
 152   .byte 2                            # Abbrev [2] 0x2b:0x10 DW_TAG_subprogram
 153   .byte 0                            # DW_AT_low_pc
 154   .long .Lfunc_end0-.Lfunc_begin0    # DW_AT_high_pc
 155   .byte 1                            # DW_AT_frame_base
 156   .byte 86
 157   .byte 3                            # DW_AT_linkage_name
 158   .byte 4                            # DW_AT_name
 159   .byte 1                            # DW_AT_decl_file
 160   .byte 1                            # DW_AT_decl_line
 161   .long 74                           # DW_AT_type
 162                                      # DW_AT_external
 163
 164   .byte  3                           # Abbrev [3] 0x3b:0xf DW_TAG_subprogram
 165   .byte  1                           # DW_AT_low_pc
 166   .long  .Lfunc_end1-.Lfunc_begin1   # DW_AT_high_pc
 167   .byte  1                           # DW_AT_frame_base
 168   .byte  86
 169   .byte  6                           # DW_AT_name
 170   .byte  1                           # DW_AT_decl_file
 171   .byte  5                           # DW_AT_decl_line
 172   .long  74                          # DW_AT_type
 173                                      # DW_AT_external
 174
 175   .byte  4                           # Abbrev [4] 0x4a:0x4 DW_TAG_base_type
 176   .byte  5                           # DW_AT_name
 177   .byte  5                           # DW_AT_encoding
 178   .byte  4                           # DW_AT_byte_size
 179   .byte  0                           # End Of Children Mark
 180
 181 .section .debug_rnglists,"",@progbits
 182 .long .Ldebug_rnglist_table_end0-.Ldebug_rnglist_table_start0 # Length
 183 .Ldebug_rnglist_table_start0:
 184   .short 5                           # Version
 185   .byte  8                           # Address size
 186   .byte  0                           # Segment selector size
 187   .long  1                           # Offset entry count
 188 .Lrnglists_table_base0:
 189   .long .Ldebug_ranges0-.Lrnglists_table_base0
 190 .Ldebug_ranges0:
 191   .byte 3                            # DW_RLE_startx_length
 192   .byte 0                            #   start index
 193   .uleb128 .Lfunc_end0-.Lfunc_begin0 #   length
 194   .byte 3                            # DW_RLE_startx_length
 195   .byte 1                            #   start index
 196   .uleb128 .Lfunc_end1-.Lfunc_begin1 #   length
 197   .byte 0                            # DW_RLE_end_of_list
 198 .Ldebug_rnglist_table_end0:
 199
 200 .section .debug_addr,"",@progbits
 201   .long  20
 202   .short 5
 203   .byte  8
 204   .byte  0
 205 .Laddr_table_base0:
 206   .quad .Lfunc_begin0
 207   .quad .Lfunc_begin1