llvm/test/tools/llvm-nm/XCOFF/export-symbols.test

   1 ## Test the "--export-symbols" option.
   2 ## The option merges all the output of input files, sorts and prints out unique symbols from the input files.
   3
   4 # RUN: yaml2obj --docnum=1 -DFLAG=0x0002 %s -o %t1.o
   5 # RUN: yaml2obj --docnum=2 -DFLAG=0x0002 %s -o %t2.o
   6 # RUN: yaml2obj --docnum=2 -DFLAG=0x0002 -DSECT=26 %s -o %t2_invalid.o
   7
   8 ## Test the following cases:
   9 ## Do not export global symbols beginning with "__sinit" , "__sterm" , "." , "(". or regular expression "^__[0-9]+__".
  10 ## Do not export hidden and internal symbols.
  11 ## Remove name prefixes of global symbols beginning with "__tf1" and "__tf9".
  12 # RUN: llvm-nm --export-symbols %t1.o | FileCheck %s --check-prefixes=COMMON,WEAK,RSRC --implicit-check-not={{.}}
  13
  14 ## Show that weak symbols are not exported when using the "--no-weak" option.
  15 # RUN: llvm-nm --export-symbols --no-weak %t1.o | FileCheck --check-prefixes=COMMON,RSRC  %s --implicit-check-not={{.}}
  16
  17 ## Show that only unique symbols (with a different name or visibility) are exported.
  18 ## RUN: llvm-nm --export-symbols %t1.o %t2.o | FileCheck --check-prefixes=COMMON,WEAK,OBJ2,RSRC %s --implicit-check-not={{.}}
  19
  20 ## Show that __rsrc symbols are not exported when using the "--no-rsrc" option.
  21 # RUN: llvm-nm --export-symbols --no-rsrc %t1.o  | FileCheck --check-prefixes=COMMON,WEAK %s --implicit-check-not={{.}}
  22
  23 # COMMON:      023__
  24 # COMMON-NEXT: __023
  25 # COMMON-NEXT: __02er02__
  26 # COMMON-NEXT: ____
  27 # RSRC-NEXT:   __rsrc
  28 # COMMON-NEXT: __rsrc export
  29 # COMMON-NEXT: __tf2value
  30 # COMMON-NEXT: export_protected_var export
  31 # COMMON-NEXT: export_protected_var protected
  32 # OBJ2-NEXT:   export_var_in_sec_obj export
  33 # COMMON-NEXT: protected_var protected
  34 # OBJ2-NEXT:   protected_var_in_sec_obj protected
  35 # COMMON-NEXT: tf1value
  36 # COMMON-NEXT: tf9value
  37 # OBJ2-NEXT:   var1_in_sec_obj
  38 # WEAK-NEXT:   weak_func
  39
  40 ## Test the behavior of the symbol reference section.
  41 # RUN: llvm-nm --export-symbols --no-rsrc %t2_invalid.o 2>&1 | \
  42 # RUN:   FileCheck -DFILE=%t2_invalid.o --check-prefixes=INVALID %s
  43
  44 # INVALID:      llvm-nm{{(\.exe)?}}: warning: [[FILE]]: for symbol with index 8: the section index (26) is invalid
  45 # INVALID-NEXT: export_protected_var export
  46 # INVALID-NEXT: export_protected_var protected
  47 # INVALID-NEXT: protected_var_in_sec_obj protected
  48 # INVALID-NEXT: var1_in_sec_obj
  49
  50 ## Show that symbols in shared object files are not exported.
  51 ## Generate XCOFF shared object file.
  52 # RUN: yaml2obj -DFLAG=0x2000 --docnum=2 %s -o %t_shared.o
  53 # RUN: llvm-nm --export-symbols %t_shared.o | count 0
  54
  55 ## Test that llvm-nm ignores AIX linker import files when using --export-symbols. These start with "#!".
  56 # RUN: echo -e "#!\n bar\n foo " > %t_imp.txt
  57 # RUN: llvm-nm --export-symbols %t_imp.txt 2>&1 | count 0
  58
  59 --- !XCOFF
  60 FileHeader:
  61   MagicNumber:       0x1DF
  62   Flags:             [[FLAG]]
  63 AuxiliaryHeader:
  64   Magic:                 0x10B
  65   Version:               0x2
  66 Sections:
  67   - Name:            .text
  68     Flags:           [ STYP_TEXT ]
  69   - Name:            .data
  70     Flags:           [ STYP_DATA ]
  71   - Name:            .bss
  72     Flags:           [ STYP_DATA ]
  73   - Name:            .debug
  74     Flags:           [ STYP_DEBUG ]
  75 Symbols:
  76   - Name:            export_protected_var
  77     Section:         .data
  78 ## Exported visibility.
  79     Type:            0x4000
  80     StorageClass:    C_EXT
  81     AuxEntries:
  82      - Type:                   AUX_CSECT
  83        SymbolAlignmentAndType: 0x09
  84        StorageMappingClass:    XMC_RW
  85   - Name:            export_protected_var
  86     Section:         .data
  87 ## Protected visibility.
  88     Type:            0x3000
  89     StorageClass:    C_EXT
  90     AuxEntries:
  91      - Type:                   AUX_CSECT
  92        SymbolAlignmentAndType: 0x09
  93        StorageMappingClass:    XMC_RW
  94   - Name:            __rsrc
  95     Section:         .data
  96 ## No visibility.
  97     Type:            0x0
  98     StorageClass:    C_EXT
  99     AuxEntries:
 100      - Type:                   AUX_CSECT
 101        SymbolAlignmentAndType: 0x09
 102        StorageMappingClass:    XMC_RW
 103        SectionOrLength:        0x4
 104   - Name:            __sinit
 105     Section:         .data
 106     Type:            0x0
 107     StorageClass:    C_EXT
 108     AuxEntries:
 109      - Type:                   AUX_CSECT
 110        SymbolAlignmentAndType: 0x9
 111        StorageMappingClass:    XMC_RW
 112        SectionOrLength:        0xC
 113   - Name:            __sterm
 114     Section:         .data
 115     Type:            0x0
 116     StorageClass:    C_EXT
 117     AuxEntries:
 118      - Type:                   AUX_CSECT
 119        SymbolAlignmentAndType: 0x09
 120        StorageMappingClass:    XMC_RW
 121        SectionOrLength:        0xC
 122   - Name:            .func
 123     Section:         .text
 124     Type:            0x20
 125     StorageClass:    C_EXT
 126     AuxEntries:
 127      - Type:                   AUX_CSECT
 128        SymbolAlignmentAndType: 0x02
 129        StorageMappingClass:    XMC_PR
 130   - Name:            (func)
 131     Section:         .data
 132     Type:            0x0
 133     StorageClass:    C_EXT
 134     AuxEntries:
 135      - Type:                   AUX_CSECT
 136        SymbolAlignmentAndType: 0x09
 137        StorageMappingClass:    XMC_RW
 138        SectionOrLength:        0xC
 139   - Name:            __023__
 140     Section:         .data
 141     Type:            0x0
 142     StorageClass:    C_EXT
 143     AuxEntries:
 144      - Type:                   AUX_CSECT
 145        SymbolAlignmentAndType: 0x09
 146        StorageMappingClass:    XMC_RW
 147        SectionOrLength:        0x4
 148   - Name:            __tf1_tf1value
 149     Section:         .text
 150     Type:            0x00
 151     StorageClass:    C_EXT
 152     AuxEntries:
 153      - Type:                   AUX_CSECT
 154        SymbolAlignmentAndType: 0x09
 155        StorageMappingClass:    XMC_RO
 156   - Name:            __tf9_12345678tf9value
 157     Section:         .data
 158     Type:            0x0
 159     StorageClass:    C_EXT
 160     AuxEntries:
 161      - Type:                   AUX_CSECT
 162        SymbolAlignmentAndType: 0x09
 163        StorageMappingClass:    XMC_RW
 164   - Name:            __tf2value
 165     Section:         .data
 166     Type:            0x0
 167     StorageClass:    C_HIDEXT
 168     AuxEntries:
 169      - Type:                   AUX_CSECT
 170        SymbolAlignmentAndType: 0x21
 171        StorageMappingClass:    XMC_TC
 172   - Name:            __tf2value
 173     Section:         .data
 174     Type:            0x0
 175     StorageClass:    C_EXT
 176     AuxEntries:
 177      - Type:                   AUX_CSECT
 178        SymbolAlignmentAndType: 0x09
 179        StorageMappingClass:    XMC_RW
 180   - Name:            weak_func
 181     Section:         .data
 182     Type:            0x0
 183     StorageClass:    C_WEAKEXT
 184     AuxEntries:
 185      - Type:                   AUX_CSECT
 186        SymbolAlignmentAndType: 0x09
 187        StorageMappingClass:    XMC_RW
 188   - Name:            protected_var
 189     Section:         .bss
 190     Type:            0x3000
 191     StorageClass:    C_EXT
 192     AuxEntries:
 193      - Type:                   AUX_CSECT
 194        SymbolAlignmentAndType: 0x02
 195        StorageMappingClass:    XMC_RW
 196   - Name:            hidden_var
 197     Section:         .data
 198 ## Hidden visibility.
 199     Type:            0x2000
 200     StorageClass:    C_EXT
 201     AuxEntries:
 202      - Type:                   AUX_CSECT
 203        SymbolAlignmentAndType: 0x09
 204        StorageMappingClass:    XMC_RW
 205   - Name:            internal_var
 206     Section:         .data
 207 ## Internal visibility.
 208     Type:            0x1000
 209     StorageClass:    C_EXT
 210     AuxEntries:
 211      - Type:                   AUX_CSECT
 212        SymbolAlignmentAndType: 0x09
 213        StorageMappingClass:    XMC_RW
 214 ## A symbol that is neither text, nor data, nor bss.
 215   - Name:            debug
 216     Section:         .debug
 217 ## Empty symbol name.
 218   - Name:            ""
 219     Section:         .data
 220     StorageClass:    C_EXT
 221     AuxEntries:
 222      - Type:                   AUX_CSECT
 223        SymbolAlignmentAndType: 0x09
 224        StorageMappingClass:    XMC_TC
 225   - Name:            undef_var
 226     SectionIndex:    0
 227     AuxEntries:
 228      - Type:                   AUX_CSECT
 229        SymbolAlignmentAndType: 0x20
 230        StorageMappingClass:    XMC_UA
 231 ## Do not export not global symbol.
 232   - Name:            hidext_var
 233     Section:         .data
 234 ## Protected visibility.
 235     Type:            0x3000
 236     StorageClass:    C_HIDEXT
 237     AuxEntries:
 238      - Type:                   AUX_CSECT
 239        SymbolAlignmentAndType: 0x09
 240        StorageMappingClass:    XMC_RW
 241 ## Symbol should not be filtered out by option --no-rsrc.
 242   - Name:            __tf1___rsrc
 243     Section:         .data
 244     Type:            0x4000
 245     StorageClass:    C_EXT
 246     AuxEntries:
 247      - Type:                   AUX_CSECT
 248        SymbolAlignmentAndType: 0x09
 249        StorageMappingClass:    XMC_RW
 250        SectionOrLength:        0x4
 251 ## Following symbols should not be filtered out by regular expression "^__[0-9]+__".
 252   - Name:            __023
 253     Section:         .data
 254     Type:            0x0
 255     StorageClass:    C_EXT
 256     AuxEntries:
 257      - Type:                   AUX_CSECT
 258        SymbolAlignmentAndType: 0x09
 259        StorageMappingClass:    XMC_RW
 260        SectionOrLength:        0x4
 261   - Name:            023__
 262     Section:         .data
 263     Type:            0x0
 264     StorageClass:    C_EXT
 265     AuxEntries:
 266      - Type:                   AUX_CSECT
 267        SymbolAlignmentAndType: 0x09
 268        StorageMappingClass:    XMC_RW
 269        SectionOrLength:        0x4
 270   - Name:            ____
 271     Section:         .data
 272     Type:            0x0
 273     StorageClass:    C_EXT
 274     AuxEntries:
 275      - Type:                   AUX_CSECT
 276        SymbolAlignmentAndType: 0x09
 277        StorageMappingClass:    XMC_RW
 278        SectionOrLength:        0x4
 279   - Name:            __02er02__
 280     Section:         .data
 281     Type:            0x0
 282     StorageClass:    C_EXT
 283     AuxEntries:
 284      - Type:                   AUX_CSECT
 285        SymbolAlignmentAndType: 0x09
 286        StorageMappingClass:    XMC_RW
 287        SectionOrLength:        0x4
 288
 289 --- !XCOFF
 290 FileHeader:
 291   MagicNumber:       0x1DF
 292   Flags:             [[FLAG]]
 293 AuxiliaryHeader:
 294   Magic:                 0x10B
 295   Version:               0x2
 296   TextSectionSize:       0x280
 297   DataSectionSize:       0x90
 298 Sections:
 299   - Name:            .text
 300     Flags:           [ STYP_TEXT ]
 301   - Name:            .data
 302     Flags:           [ STYP_DATA ]
 303 Symbols:
 304   - Name:            export_protected_var
 305     Section:         .data
 306     Type:            0x4000
 307     StorageClass:    C_EXT
 308     AuxEntries:
 309      - Type:                   AUX_CSECT
 310        SymbolAlignmentAndType: 0x09
 311        StorageMappingClass:    XMC_RW
 312   - Name:            export_protected_var
 313     Section:         .data
 314     Type:            0x3000
 315     StorageClass:    C_EXT
 316     AuxEntries:
 317      - Type:                   AUX_CSECT
 318        SymbolAlignmentAndType: 0x09
 319        StorageMappingClass:    XMC_RW
 320   - Name:            var1_in_sec_obj
 321     Section:         .data
 322     Type:            0x0
 323     StorageClass:    C_EXT
 324     AuxEntries:
 325      - Type:                   AUX_CSECT
 326        SymbolAlignmentAndType: 0x09
 327        StorageMappingClass:    XMC_RW
 328        SectionOrLength:        0x4
 329   - Name:            protected_var_in_sec_obj
 330     Section:         .data
 331     Type:            0x3000
 332     StorageClass:    C_EXT
 333     AuxEntries:
 334      - Type:                   AUX_CSECT
 335        SymbolAlignmentAndType: 0x09
 336        StorageMappingClass:    XMC_RW
 337   - Name:            export_var_in_sec_obj
 338     SectionIndex:    [[SECT=2]]
 339     Type:            0x4000
 340     StorageClass:    C_EXT
 341     AuxEntries:
 342      - Type:                   AUX_CSECT
 343        SymbolAlignmentAndType: 0x09
 344        StorageMappingClass:    XMC_RW