test/MC/ELF/section.s

   1 // RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - | llvm-readobj -S | FileCheck %s
   2 // RUN: llvm-mc -filetype=asm -triple x86_64-pc-linux-gnu %s -o - |  FileCheck %s --check-prefix=ASM
   3
   4 // Test that these names are accepted.
   5
   6 .section        .note.GNU-stack,"",@progbits
   7 .section        .note.GNU-stack2,"",%progbits
   8 .section        .note.GNU-,"",@progbits
   9 .section        -.note.GNU,"","progbits"
  10 .section        src/stack.c,"",@progbits
  11 .section        ~!@$%^&*()_-+={[}]|\\:<>,"",@progbits
  12
  13 // CHECK: Name: .note.GNU-stack
  14 // CHECK: Name: .note.GNU-stack2
  15 // CHECK: Name: .note.GNU-
  16 // CHECK: Name: -.note.GNU
  17 // CHECK: Name: src/stack.c
  18 // CHECK: Name: ~!@$%^&*()_-+={[}]|\\:<>
  19
  20 // Test that the defaults are used
  21
  22 .section        .init
  23 .section        .fini
  24 .section        .rodata
  25 .section        zed, ""
  26
  27 // CHECK:        Section {
  28 // CHECK:          Name: .init
  29 // CHECK-NEXT:     Type: SHT_PROGBITS
  30 // CHECK-NEXT:     Flags [
  31 // CHECK-NEXT:       SHF_ALLOC
  32 // CHECK-NEXT:       SHF_EXECINSTR
  33 // CHECK-NEXT:     ]
  34 // CHECK-NEXT:     Address: 0x0
  35 // CHECK-NEXT:     Offset:
  36 // CHECK-NEXT:     Size: 0
  37 // CHECK-NEXT:     Link: 0
  38 // CHECK-NEXT:     Info: 0
  39 // CHECK-NEXT:     AddressAlignment: 1
  40 // CHECK-NEXT:     EntrySize: 0
  41 // CHECK-NEXT:   }
  42 // CHECK-NEXT:   Section {
  43 // CHECK-NEXT:     Index:
  44 // CHECK-NEXT:     Name: .fini
  45 // CHECK-NEXT:     Type: SHT_PROGBITS
  46 // CHECK-NEXT:     Flags [
  47 // CHECK-NEXT:       SHF_ALLOC
  48 // CHECK-NEXT:       SHF_EXECINSTR
  49 // CHECK-NEXT:     ]
  50 // CHECK-NEXT:     Address: 0x0
  51 // CHECK-NEXT:     Offset:
  52 // CHECK-NEXT:     Size: 0
  53 // CHECK-NEXT:     Link: 0
  54 // CHECK-NEXT:     Info: 0
  55 // CHECK-NEXT:     AddressAlignment: 1
  56 // CHECK-NEXT:     EntrySize: 0
  57 // CHECK-NEXT:   }
  58 // CHECK-NEXT:   Section {
  59 // CHECK-NEXT:     Index:
  60 // CHECK-NEXT:     Name: .rodata
  61 // CHECK-NEXT:     Type: SHT_PROGBITS
  62 // CHECK-NEXT:     Flags [
  63 // CHECK-NEXT:       SHF_ALLOC
  64 // CHECK-NEXT:     ]
  65 // CHECK-NEXT:     Address: 0x0
  66 // CHECK-NEXT:     Offset:
  67 // CHECK-NEXT:     Size: 0
  68 // CHECK-NEXT:     Link: 0
  69 // CHECK-NEXT:     Info: 0
  70 // CHECK-NEXT:     AddressAlignment: 1
  71 // CHECK-NEXT:     EntrySize: 0
  72 // CHECK-NEXT:   }
  73 // CHECK-NEXT:   Section {
  74 // CHECK-NEXT:     Index:
  75 // CHECK-NEXT:     Name: zed
  76 // CHECK-NEXT:     Type: SHT_PROGBITS
  77 // CHECK-NEXT:     Flags [
  78 // CHECK-NEXT:     ]
  79 // CHECK-NEXT:     Address: 0x0
  80 // CHECK-NEXT:     Offset:
  81 // CHECK-NEXT:     Size: 0
  82 // CHECK-NEXT:     Link: 0
  83 // CHECK-NEXT:     Info: 0
  84 // CHECK-NEXT:     AddressAlignment: 1
  85 // CHECK-NEXT:     EntrySize: 0
  86 // CHECK-NEXT:   }
  87
  88 .section        .note.test,"",@note
  89 // CHECK:        Section {
  90 // CHECK:          Name: .note.test
  91 // CHECK-NEXT:     Type: SHT_NOTE
  92 // CHECK-NEXT:     Flags [
  93 // CHECK-NEXT:     ]
  94 // CHECK-NEXT:     Address: 0x0
  95 // CHECK-NEXT:     Offset:
  96 // CHECK-NEXT:     Size: 0
  97 // CHECK-NEXT:     Link: 0
  98 // CHECK-NEXT:     Info: 0
  99 // CHECK-NEXT:     AddressAlignment: 1
 100 // CHECK-NEXT:     EntrySize: 0
 101 // CHECK-NEXT:   }
 102
 103 // Test that we can parse these
 104 foo:
 105 bar:
 106 .section        .text.foo,"axG",@progbits,foo,comdat
 107 .section        .text.bar,"axMG",@progbits,42,bar,comdat
 108
 109 // Test that the default values are not used
 110
 111 .section .eh_frame,"a",@unwind
 112
 113 // CHECK:        Section {
 114 // CHECK:          Name: .eh_frame
 115 // CHECK-NEXT:     Type: SHT_X86_64_UNWIND
 116 // CHECK-NEXT:     Flags [
 117 // CHECK-NEXT:       SHF_ALLOC
 118 // CHECK-NEXT:     ]
 119 // CHECK-NEXT:     Address: 0x0
 120 // CHECK-NEXT:     Offset:
 121 // CHECK-NEXT:     Size: 0
 122 // CHECK-NEXT:     Link: 0
 123 // CHECK-NEXT:     Info: 0
 124 // CHECK-NEXT:     AddressAlignment: 1
 125 // CHECK-NEXT:     EntrySize: 0
 126 // CHECK-NEXT:   }
 127
 128 .section .excluded,"e",@progbits
 129
 130 // CHECK:      Section {
 131 // CHECK:        Name: .excluded
 132 // CHECK-NEXT:   Type: SHT_PROGBITS (0x1)
 133 // CHECK-NEXT:   Flags [ (0x80000000)
 134 // CHECK-NEXT:     SHF_EXCLUDE (0x80000000)
 135 // CHECK-NEXT:   ]
 136 // CHECK-NEXT:   Address: 0x0
 137 // CHECK-NEXT:   Offset:
 138 // CHECK-NEXT:   Size: 0
 139 // CHECK-NEXT:   Link: 0
 140 // CHECK-NEXT:   Info: 0
 141 // CHECK-NEXT:   AddressAlignment: 1
 142 // CHECK-NEXT:   EntrySize: 0
 143 // CHECK-NEXT: }
 144
 145 // Test that we handle the strings like gas
 146 .section bar-"foo"
 147 .section "fooo"
 148
 149
 150 // CHECK:        Section {
 151 // CHECK:          Name: bar-"foo"
 152 // CHECK:        Section {
 153 // CHECK:          Name: fooo
 154
 155 // Test SHF_LINK_ORDER
 156
 157 .section .shf_metadata_target1, "a"
 158         .quad 0
 159 .section .shf_metadata_target2, "a", @progbits, unique, 1
 160 .Lshf_metadata_target2_1:
 161         .quad 0
 162 .section .shf_metadata_target2, "a", @progbits, unique, 2
 163 .Lshf_metadata_target2_2:
 164         .quad 0
 165
 166 .section .shf_metadata1,"ao",@progbits,.Lshf_metadata_target2_1
 167 .section .shf_metadata2,"ao",@progbits,.Lshf_metadata_target2_2
 168 .section .shf_metadata3,"ao",@progbits,.shf_metadata_target1
 169 // ASM: .section .shf_metadata1,"ao",@progbits,.Lshf_metadata_target2_1
 170 // ASM: .section .shf_metadata2,"ao",@progbits,.Lshf_metadata_target2_2
 171 // ASM: .section .shf_metadata3,"ao",@progbits,.shf_metadata_target1
 172
 173 // CHECK:      Section {
 174 // CHECK:        Index: 22
 175 // CHECK-NEXT:   Name: .shf_metadata_target1
 176
 177 // CHECK:      Section {
 178 // CHECK:        Index: 23
 179 // CHECK-NEXT:   Name: .shf_metadata_target2
 180
 181 // CHECK:      Section {
 182 // CHECK:        Index: 24
 183 // CHECK-NEXT:   Name: .shf_metadata_target2
 184
 185 // CHECK:      Section {
 186 // CHECK:        Name: .shf_metadata1
 187 // CHECK-NEXT:   Type: SHT_PROGBITS
 188 // CHECK-NEXT:   Flags [
 189 // CHECK-NEXT:     SHF_ALLOC
 190 // CHECK-NEXT:     SHF_LINK_ORDER
 191 // CHECK-NEXT:   ]
 192 // CHECK-NEXT:   Address:
 193 // CHECK-NEXT:   Offset:
 194 // CHECK-NEXT:   Size:
 195 // CHECK-NEXT:   Link:    23
 196 // CHECK-NEXT:   Info:    0
 197
 198 // CHECK:      Section {
 199 // CHECK:        Name: .shf_metadata2
 200 // CHECK-NEXT:   Type: SHT_PROGBITS
 201 // CHECK-NEXT:   Flags [
 202 // CHECK-NEXT:     SHF_ALLOC
 203 // CHECK-NEXT:     SHF_LINK_ORDER
 204 // CHECK-NEXT:   ]
 205 // CHECK-NEXT:   Address:
 206 // CHECK-NEXT:   Offset:
 207 // CHECK-NEXT:   Size:
 208 // CHECK-NEXT:   Link:    24
 209 // CHECK-NEXT:   Info:    0
 210
 211 // CHECK:      Section {
 212 // CHECK:        Name: .shf_metadata3
 213 // CHECK-NEXT:   Type: SHT_PROGBITS
 214 // CHECK-NEXT:   Flags [
 215 // CHECK-NEXT:     SHF_ALLOC
 216 // CHECK-NEXT:     SHF_LINK_ORDER
 217 // CHECK-NEXT:   ]
 218 // CHECK-NEXT:   Address:
 219 // CHECK-NEXT:   Offset:
 220 // CHECK-NEXT:   Size:
 221 // CHECK-NEXT:   Link:    22
 222 // CHECK-NEXT:   Info:    0
 223
 224 .section        .text.foo
 225 // CHECK:        Section {
 226 // CHECK:          Name: .text.foo
 227 // CHECK-NEXT:     Type: SHT_PROGBITS
 228 // CHECK-NEXT:     Flags [
 229 // CHECK-NEXT:       SHF_ALLOC
 230 // CHECK-NEXT:       SHF_EXECINSTR
 231 // CHECK-NEXT:     ]
 232
 233 .section .bss
 234 // CHECK:        Section {
 235 // CHECK:          Name: .bss
 236 // CHECK-NEXT:     Type: SHT_NOBITS
 237 // CHECK-NEXT:     Flags [
 238 // CHECK-NEXT:       SHF_ALLOC
 239 // CHECK-NEXT:       SHF_WRITE
 240 // CHECK-NEXT:     ]
 241
 242 .section .bss.foo
 243 // CHECK:        Section {
 244 // CHECK:          Name: .bss.foo
 245 // CHECK-NEXT:     Type: SHT_NOBITS
 246 // CHECK-NEXT:     Flags [
 247 // CHECK-NEXT:       SHF_ALLOC
 248 // CHECK-NEXT:       SHF_WRITE
 249 // CHECK-NEXT:     ]
 250
 251 .section .tbss
 252 // CHECK:        Section {
 253 // CHECK:          Name: .tbss
 254 // CHECK-NEXT:     Type: SHT_NOBITS
 255 // CHECK-NEXT:     Flags [
 256 // CHECK-NEXT:       SHF_ALLOC
 257 // CHECK-NEXT:       SHF_TLS
 258 // CHECK-NEXT:       SHF_WRITE
 259 // CHECK-NEXT:     ]
 260
 261 .section .tbss.foo
 262 // CHECK:        Section {
 263 // CHECK:          Name: .tbss.foo
 264 // CHECK-NEXT:     Type: SHT_NOBITS
 265 // CHECK-NEXT:     Flags [
 266 // CHECK-NEXT:       SHF_ALLOC
 267 // CHECK-NEXT:       SHF_TLS
 268 // CHECK-NEXT:       SHF_WRITE
 269 // CHECK-NEXT:     ]
 270
 271 // Test SHT_LLVM_ODRTAB
 272
 273 .section .odrtab,"e",@llvm_odrtab
 274 // ASM: .section .odrtab,"e",@llvm_odrtab
 275
 276 // CHECK:        Section {
 277 // CHECK:          Name: .odrtab
 278 // CHECK-NEXT:     Type: SHT_LLVM_ODRTAB
 279 // CHECK-NEXT:     Flags [
 280 // CHECK-NEXT:       SHF_EXCLUDE
 281 // CHECK-NEXT:     ]
 282
 283 // Test SHT_LLVM_LINKER_OPTIONS
 284
 285 .section ".linker-options","e",@llvm_linker_options
 286 // ASM: .section ".linker-options","e",@llvm_linker_options
 287
 288 // CHECK: Section {
 289 // CHECK:   Name: .linker-options
 290 // CHECK-NEXT:   Type: SHT_LLVM_LINKER_OPTIONS
 291 // CHECK-NEXT:   Flags [
 292 // CHECK-NEXT:     SHF_EXCLUDE
 293 // CHECK-NEXT:   ]
 294 // CHECK: }
 295
 296 // Test SHT_LLVM_DEPENDENT_LIBRARIES
 297
 298 .section .deplibs,"MS",@llvm_dependent_libraries,1
 299 // ASM: .section .deplibs,"MS",@llvm_dependent_libraries,1
 300
 301 // CHECK: Section {
 302 // CHECK:   Name: .deplibs
 303 // CHECK-NEXT:   Type: SHT_LLVM_DEPENDENT_LIBRARIES
 304 // CHECK-NEXT:   Flags [
 305 // CHECK-NEXT:       SHF_MERGE
 306 // CHECK-NEXT:       SHF_STRINGS
 307 // CHECK-NEXT:   ]
 308 // CHECK: }
 309
 310 // Test SHT_LLVM_SYMPART
 311
 312 .section .llvm_sympart,"",@llvm_sympart
 313 // ASM: .section .llvm_sympart,"",@llvm_sympart
 314
 315 // CHECK: Section {
 316 // CHECK:   Name: .llvm_sympart
 317 // CHECK-NEXT:   Type: SHT_LLVM_SYMPART
 318 // CHECK-NEXT:   Flags [
 319 // CHECK-NEXT:   ]
 320 // CHECK: }