llvm/test/tools/llvm-nm/X86/line-numbers.test

   1 ## Check that printing line numbers isn't attempted for files like bitcode,
   2 ## which have symbols but limited/no section or debug info.
   3 # RUN: llvm-nm --line-numbers %p/Inputs/test.IRobj-x86_64 | FileCheck %s --check-prefix=BITCODE --match-full-lines --implicit-check-not={{.}}
   4 # BITCODE:      ---------------- S _global_const
   5 # BITCODE-NEXT: ---------------- D _global_data
   6 # BITCODE-NEXT: ---------------- T _global_func
   7 # BITCODE-NEXT: ---------------- S _hidden_const
   8 # BITCODE-NEXT: ---------------- D _hidden_data
   9 # BITCODE-NEXT: ---------------- T _hidden_func
  10 # BITCODE-NEXT: ---------------- s _static_const
  11 # BITCODE-NEXT: ---------------- d _static_data
  12 # BITCODE-NEXT: ---------------- t _static_func
  13
  14 ## Check that various symbol types can use debug information if available to
  15 ## print line numbers, and if unavailable, don't print anything erroneous. The
  16 ## specific cases checked are given by the symbol names below. Other test cases
  17 ## place requirements on the contents of the whole file, so they are kept out
  18 ## of main.o.
  19 # RUN: rm -rf %t
  20 # RUN: split-file %s %t
  21 # RUN: llvm-mc -g --filetype=obj -triple=x86_64-pc-linux %t/main.s -o %t/main.o
  22 # RUN: llvm-nm -l %t/main.o | FileCheck %s --match-full-lines --implicit-check-not={{.}}
  23 # RUN: llvm-nm --line-numbers %t/main.o | FileCheck %s --match-full-lines --implicit-check-not={{.}}
  24
  25 # CHECK:      0000000000001234 a absolute_symbol
  26 # CHECK-NEXT: 0000000000000000 d data_no_dwarf
  27 # CHECK-NEXT: 0000000000000000 T defined_global_function [[FILENAME:.*main.s]]:4
  28 # CHECK-NEXT: 0000000000000001 t defined_local_function [[FILENAME]]:7
  29 # CHECK-NEXT: 0000000000000000 t function_no_dwarf
  30 # CHECK-NEXT:                  U undef1 [[FILENAME]]:12
  31 # CHECK-NEXT:                  U undef2 [[FILENAME]]:14
  32 # CHECK-NEXT:                  U undef_no_reloc
  33 # CHECK-NEXT: 0000000000000002 t undefined_references [[FILENAME]]:12
  34
  35 ## Check that in the absence of DWARF in the whole object, no line number
  36 ## information is printed.
  37 # RUN: llvm-mc --filetype=obj %t/main.s -triple=x86_64-pc-linux -o %t/no-dwarf.o
  38 # RUN: llvm-nm -l %t/no-dwarf.o | FileCheck %s --check-prefix=NO-DWARF --match-full-lines --implicit-check-not={{.}}
  39
  40 # NO-DWARF:      0000000000001234 a absolute_symbol
  41 # NO-DWARF-NEXT: 0000000000000000 d data_no_dwarf
  42 # NO-DWARF-NEXT: 0000000000000000 T defined_global_function
  43 # NO-DWARF-NEXT: 0000000000000001 t defined_local_function
  44 # NO-DWARF-NEXT: 0000000000000000 t function_no_dwarf
  45 # NO-DWARF-NEXT:                  U undef1
  46 # NO-DWARF-NEXT:                  U undef2
  47 # NO-DWARF-NEXT:                  U undef_no_reloc
  48 # NO-DWARF-NEXT: 0000000000000002 t undefined_references
  49
  50 ## Check that printing line numbers for undefined values is not attempted in
  51 ## the absence of any relocation section.
  52 # RUN: llvm-mc --filetype=obj %t/undef-no-reloc-sections.s -triple=x86_64-pc-linux -o %t/undef-no-reloc-sections.o
  53 # RUN: llvm-nm --line-numbers %t/undef-no-reloc-sections.o | FileCheck %s --check-prefix=UNDEF-NO-RELOC-SECTIONS --match-full-lines --implicit-check-not={{.}}
  54
  55 # UNDEF-NO-RELOC-SECTIONS: U undef
  56
  57 ## Check that printing line numbers for undefined values does not include
  58 ## relocations for non-text sections. This is broken out of main.s to ensure
  59 ## that the data relocation for undef comes first.
  60 # RUN: llvm-mc -g --filetype=obj %t/undef-data-reloc.s -triple=x86_64-pc-linux -o %t/undef-data-reloc.o
  61 # RUN: llvm-nm --line-numbers %t/undef-data-reloc.o | FileCheck %s --check-prefix=UNDEF-DATA-RELOC --match-full-lines --implicit-check-not={{.}}
  62
  63 # UNDEF-DATA-RELOC:      0000000000000000 r data_reloc
  64 # UNDEF-DATA-RELOC-NEXT:                  U undef
  65
  66 ## Check that line numbers can be printed for data definitions. These are broken
  67 ## out of main.s since their DWARF cannot be generated with llvm-mc -g.
  68 # RUN: llvm-mc -g --filetype=obj %t/data-dwarf.s -triple=x86_64-pc-linux -o %t/data-dwarf.o
  69 # RUN: llvm-nm --line-numbers %t/data-dwarf.o | FileCheck %s --check-prefix=DATA-DWARF --match-full-lines --implicit-check-not={{.}}
  70
  71 # DATA-DWARF: 0000000000000000 D defined_data /tmp{{\\|/}}tmp.c:1
  72
  73 #--- main.s
  74 .text
  75 .globl defined_global_function
  76 defined_global_function:
  77   ret
  78
  79 defined_local_function:
  80   ret
  81
  82 absolute_symbol = 0x1234
  83
  84 undefined_references:
  85   nop
  86   .long undef1
  87   nop
  88   .long undef2
  89   ret
  90
  91 # Note: llvm-mc -g produces no DWARF for data.
  92 .data
  93 data_no_dwarf:
  94   .byte 0
  95
  96 .globl undef_no_reloc
  97
  98 # Note: llvm-mc -g does not produce DWARF for non-SHF_ALLOC sections.
  99 .section no_alloc_text,"x",@progbits
 100 function_no_dwarf:
 101   ret
 102
 103 #--- undef-no-reloc-sections.s
 104 .globl undef
 105
 106 #--- undef-data-reloc.s
 107 .globl undef
 108 .rodata
 109 data_reloc:
 110   .long undef
 111
 112 #--- data-dwarf.s
 113 # char defined_data = 42
 114         .text
 115         .file   "tmp.c"
 116         .file   0 "/tmp" "/tmp/tmp.c" md5 0x39602a53b15a32d6a622ca86936e88d7
 117         .file   1 "tmp.c" md5 0x39602a53b15a32d6a622ca86936e88d7
 118         .type   defined_data,@object            # @defined_data
 119         .data
 120         .globl  defined_data
 121 defined_data:
 122         .byte   42                              # 0x2a
 123         .size   defined_data, 1
 124
 125         .section        .debug_abbrev,"",@progbits
 126         .byte   1                               # Abbreviation Code
 127         .byte   17                              # DW_TAG_compile_unit
 128         .byte   1                               # DW_CHILDREN_yes
 129         .byte   37                              # DW_AT_producer
 130         .byte   37                              # DW_FORM_strx1
 131         .byte   19                              # DW_AT_language
 132         .byte   5                               # DW_FORM_data2
 133         .byte   3                               # DW_AT_name
 134         .byte   37                              # DW_FORM_strx1
 135         .byte   114                             # DW_AT_str_offsets_base
 136         .byte   23                              # DW_FORM_sec_offset
 137         .byte   16                              # DW_AT_stmt_list
 138         .byte   23                              # DW_FORM_sec_offset
 139         .byte   27                              # DW_AT_comp_dir
 140         .byte   37                              # DW_FORM_strx1
 141         .byte   115                             # DW_AT_addr_base
 142         .byte   23                              # DW_FORM_sec_offset
 143         .byte   0                               # EOM(1)
 144         .byte   0                               # EOM(2)
 145         .byte   2                               # Abbreviation Code
 146         .byte   52                              # DW_TAG_variable
 147         .byte   0                               # DW_CHILDREN_no
 148         .byte   3                               # DW_AT_name
 149         .byte   37                              # DW_FORM_strx1
 150         .byte   73                              # DW_AT_type
 151         .byte   19                              # DW_FORM_ref4
 152         .byte   63                              # DW_AT_external
 153         .byte   25                              # DW_FORM_flag_present
 154         .byte   58                              # DW_AT_decl_file
 155         .byte   11                              # DW_FORM_data1
 156         .byte   59                              # DW_AT_decl_line
 157         .byte   11                              # DW_FORM_data1
 158         .byte   2                               # DW_AT_location
 159         .byte   24                              # DW_FORM_exprloc
 160         .byte   0                               # EOM(1)
 161         .byte   0                               # EOM(2)
 162         .byte   3                               # Abbreviation Code
 163         .byte   36                              # DW_TAG_base_type
 164         .byte   0                               # DW_CHILDREN_no
 165         .byte   3                               # DW_AT_name
 166         .byte   37                              # DW_FORM_strx1
 167         .byte   62                              # DW_AT_encoding
 168         .byte   11                              # DW_FORM_data1
 169         .byte   11                              # DW_AT_byte_size
 170         .byte   11                              # DW_FORM_data1
 171         .byte   0                               # EOM(1)
 172         .byte   0                               # EOM(2)
 173         .byte   0                               # EOM(3)
 174         .section        .debug_info,"",@progbits
 175 .Lcu_begin0:
 176         .long   .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit
 177 .Ldebug_info_start0:
 178         .short  5                               # DWARF version number
 179         .byte   1                               # DWARF Unit Type
 180         .byte   8                               # Address Size (in bytes)
 181         .long   .debug_abbrev                   # Offset Into Abbrev. Section
 182         .byte   1                               # Abbrev [1] 0xc:0x22 DW_TAG_compile_unit
 183         .byte   0                               # DW_AT_producer
 184         .short  12                              # DW_AT_language
 185         .byte   1                               # DW_AT_name
 186         .long   .Lstr_offsets_base0             # DW_AT_str_offsets_base
 187         .long   .Lline_table_start0             # DW_AT_stmt_list
 188         .byte   2                               # DW_AT_comp_dir
 189         .long   .Laddr_table_base0              # DW_AT_addr_base
 190         .byte   2                               # Abbrev [2] 0x1e:0xb DW_TAG_variable
 191         .byte   3                               # DW_AT_name
 192         .long   41                              # DW_AT_type
 193                                         # DW_AT_external
 194         .byte   1                               # DW_AT_decl_file
 195         .byte   1                               # DW_AT_decl_line
 196         .byte   2                               # DW_AT_location
 197         .byte   161
 198         .byte   0
 199         .byte   3                               # Abbrev [3] 0x29:0x4 DW_TAG_base_type
 200         .byte   4                               # DW_AT_name
 201         .byte   6                               # DW_AT_encoding
 202         .byte   1                               # DW_AT_byte_size
 203         .byte   0                               # End Of Children Mark
 204 .Ldebug_info_end0:
 205         .section        .debug_str_offsets,"",@progbits
 206         .long   24                              # Length of String Offsets Set
 207         .short  5
 208         .short  0
 209 .Lstr_offsets_base0:
 210         .section        .debug_str,"MS",@progbits,1
 211 .Linfo_string0:
 212         .asciz  "Debian clang version 14.0.6"   # string offset=0
 213 .Linfo_string1:
 214         .asciz  "/tmp/tmp.c"                    # string offset=28
 215 .Linfo_string2:
 216         .asciz  "/tmp"                          # string offset=39
 217 .Linfo_string3:
 218         .asciz  "defined_data"                  # string offset=44
 219 .Linfo_string4:
 220         .asciz  "char"                          # string offset=57
 221         .section        .debug_str_offsets,"",@progbits
 222         .long   .Linfo_string0
 223         .long   .Linfo_string1
 224         .long   .Linfo_string2
 225         .long   .Linfo_string3
 226         .long   .Linfo_string4
 227         .section        .debug_addr,"",@progbits
 228         .long   .Ldebug_addr_end0-.Ldebug_addr_start0 # Length of contribution
 229 .Ldebug_addr_start0:
 230         .short  5                               # DWARF version number
 231         .byte   8                               # Address size
 232         .byte   0                               # Segment selector size
 233 .Laddr_table_base0:
 234         .quad   defined_data
 235 .Ldebug_addr_end0:
 236         .ident  "Debian clang version 14.0.6"
 237         .section        ".note.GNU-stack","",@progbits
 238         .addrsig
 239         .section        .debug_line,"",@progbits
 240 .Lline_table_start0: