relocations.test 23 KB
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507
## Check llvm-readobj and llvm-readelf print relocations as expected.

## Show that ELF64 is dumped correctly.
# RUN: yaml2obj %s --docnum=1 -o %t64
# RUN: llvm-readobj -r %t64 \
# RUN:   | FileCheck %s --check-prefix=LLVM-64 --strict-whitespace --match-full-lines
# RUN: llvm-readobj --relocs %t64 \
# RUN:   | FileCheck %s --check-prefix=LLVM-64 --strict-whitespace --match-full-lines
# RUN: llvm-readobj --relocations %t64 \
# RUN:   | FileCheck %s --check-prefix=LLVM-64 --strict-whitespace --match-full-lines

#      LLVM-64:Relocations [
# LLVM-64-NEXT:  Section (2) .rel.text {
# LLVM-64-NEXT:    0x0 R_X86_64_NONE rel_0 0x0
# LLVM-64-NEXT:    0x1 R_X86_64_PC32 rel_neg 0x0
# LLVM-64-NEXT:    0x5 R_X86_64_PLT32 rel_pos 0x0
# LLVM-64-NEXT:    0x9 R_X86_64_64 rel_64 0x0
# LLVM-64-NEXT:  }
# LLVM-64-NEXT:  Section (3) .rela.text {
# LLVM-64-NEXT:    0x0 R_X86_64_NONE rela_0 0x0
# LLVM-64-NEXT:    0x1 R_X86_64_PC32 rela_neg 0xFFFFFFFFFFFFFFFF
# LLVM-64-NEXT:    0x5 R_X86_64_PLT32 rela_pos 0x2
# LLVM-64-NEXT:    0xFFFFFFFFFFFFFFFF R_X86_64_64 rela_minneg 0x8000000000000000
# LLVM-64-NEXT:    0x9 R_X86_64_32S rela_maxpos 0x7FFFFFFFFFFFFFFF
# LLVM-64-NEXT:  }
# LLVM-64-NEXT:]

# RUN: llvm-readelf -r %t64 \
# RUN:   | FileCheck %s --check-prefix=GNU-64 --strict-whitespace --match-full-lines
# RUN: llvm-readelf --relocs %t64 \
# RUN:   | FileCheck %s --check-prefix=GNU-64 --strict-whitespace --match-full-lines
# RUN: llvm-readelf --relocations %t64 \
# RUN:   | FileCheck %s --check-prefix=GNU-64 --strict-whitespace --match-full-lines

#      GNU-64:Relocation section '.rel.text' at offset 0x51 contains 4 entries:
# GNU-64-NEXT:    Offset             Info             Type               Symbol's Value  Symbol's Name
# GNU-64-NEXT:0000000000000000  0000000100000000 R_X86_64_NONE          0000000000000000 rel_0
# GNU-64-NEXT:0000000000000001  0000000200000002 R_X86_64_PC32          0000000000000001 rel_neg
# GNU-64-NEXT:0000000000000005  0000000300000004 R_X86_64_PLT32         0000000000000002 rel_pos
# GNU-64-NEXT:0000000000000009  0000000400000001 R_X86_64_64            ffffffffffffffff rel_64
# GNU-64-EMPTY:
# GNU-64-NEXT:Relocation section '.rela.text' at offset 0x91 contains 5 entries:
# GNU-64-NEXT:    Offset             Info             Type               Symbol's Value  Symbol's Name + Addend
# GNU-64-NEXT:0000000000000000  0000000500000000 R_X86_64_NONE          0000000000000000 rela_0 + 0
# GNU-64-NEXT:0000000000000001  0000000600000002 R_X86_64_PC32          0000000000000001 rela_neg - 1
# GNU-64-NEXT:0000000000000005  0000000700000004 R_X86_64_PLT32         0000000000000002 rela_pos + 2
# GNU-64-NEXT:ffffffffffffffff  0000000800000001 R_X86_64_64            0000000000000003 rela_minneg - 8000000000000000
# GNU-64-NEXT:0000000000000009  000000090000000b R_X86_64_32S           ffffffffffffffff rela_maxpos + 7fffffffffffffff

## Show that --expand-relocs expands the relocation dump for LLVM style only
## (and not GNU).
# RUN: llvm-readobj -r --expand-relocs %t64 \
# RUN:   | FileCheck %s --check-prefix=LLVM-EXPAND-64 --match-full-lines --strict-whitespace
# RUN: llvm-readelf -r --expand-relocs %t64 \
# RUN:   | FileCheck %s --check-prefix=GNU-64 --match-full-lines --strict-whitespace

#      LLVM-EXPAND-64:Relocations [
# LLVM-EXPAND-64-NEXT:  Section (2) .rel.text {
# LLVM-EXPAND-64-NEXT:    Relocation {
# LLVM-EXPAND-64-NEXT:      Offset: 0x0
# LLVM-EXPAND-64-NEXT:      Type: R_X86_64_NONE (0)
# LLVM-EXPAND-64-NEXT:      Symbol: rel_0 (1)
# LLVM-EXPAND-64-NEXT:      Addend: 0x0
# LLVM-EXPAND-64-NEXT:    }
# LLVM-EXPAND-64-NEXT:    Relocation {
# LLVM-EXPAND-64-NEXT:      Offset: 0x1
# LLVM-EXPAND-64-NEXT:      Type: R_X86_64_PC32 (2)
# LLVM-EXPAND-64-NEXT:      Symbol: rel_neg (2)
# LLVM-EXPAND-64-NEXT:      Addend: 0x0
# LLVM-EXPAND-64-NEXT:    }
# LLVM-EXPAND-64-NEXT:    Relocation {
# LLVM-EXPAND-64-NEXT:      Offset: 0x5
# LLVM-EXPAND-64-NEXT:      Type: R_X86_64_PLT32 (4)
# LLVM-EXPAND-64-NEXT:      Symbol: rel_pos (3)
# LLVM-EXPAND-64-NEXT:      Addend: 0x0
# LLVM-EXPAND-64-NEXT:    }
# LLVM-EXPAND-64-NEXT:    Relocation {
# LLVM-EXPAND-64-NEXT:      Offset: 0x9
# LLVM-EXPAND-64-NEXT:      Type: R_X86_64_64 (1)
# LLVM-EXPAND-64-NEXT:      Symbol: rel_64 (4)
# LLVM-EXPAND-64-NEXT:      Addend: 0x0
# LLVM-EXPAND-64-NEXT:    }
# LLVM-EXPAND-64-NEXT:  }
# LLVM-EXPAND-64-NEXT:  Section (3) .rela.text {
# LLVM-EXPAND-64-NEXT:    Relocation {
# LLVM-EXPAND-64-NEXT:      Offset: 0x0
# LLVM-EXPAND-64-NEXT:      Type: R_X86_64_NONE (0)
# LLVM-EXPAND-64-NEXT:      Symbol: rela_0 (5)
# LLVM-EXPAND-64-NEXT:      Addend: 0x0
# LLVM-EXPAND-64-NEXT:    }
# LLVM-EXPAND-64-NEXT:    Relocation {
# LLVM-EXPAND-64-NEXT:      Offset: 0x1
# LLVM-EXPAND-64-NEXT:      Type: R_X86_64_PC32 (2)
# LLVM-EXPAND-64-NEXT:      Symbol: rela_neg (6)
# LLVM-EXPAND-64-NEXT:      Addend: 0xFFFFFFFFFFFFFFFF
# LLVM-EXPAND-64-NEXT:    }
# LLVM-EXPAND-64-NEXT:    Relocation {
# LLVM-EXPAND-64-NEXT:      Offset: 0x5
# LLVM-EXPAND-64-NEXT:      Type: R_X86_64_PLT32 (4)
# LLVM-EXPAND-64-NEXT:      Symbol: rela_pos (7)
# LLVM-EXPAND-64-NEXT:      Addend: 0x2
# LLVM-EXPAND-64-NEXT:    }
# LLVM-EXPAND-64-NEXT:    Relocation {
# LLVM-EXPAND-64-NEXT:      Offset: 0xFFFFFFFFFFFFFFFF
# LLVM-EXPAND-64-NEXT:      Type: R_X86_64_64 (1)
# LLVM-EXPAND-64-NEXT:      Symbol: rela_minneg (8)
# LLVM-EXPAND-64-NEXT:      Addend: 0x8000000000000000
# LLVM-EXPAND-64-NEXT:    }
# LLVM-EXPAND-64-NEXT:    Relocation {
# LLVM-EXPAND-64-NEXT:      Offset: 0x9
# LLVM-EXPAND-64-NEXT:      Type: R_X86_64_32S (11)
# LLVM-EXPAND-64-NEXT:      Symbol: rela_maxpos (9)
# LLVM-EXPAND-64-NEXT:      Addend: 0x7FFFFFFFFFFFFFFF
# LLVM-EXPAND-64-NEXT:    }
# LLVM-EXPAND-64-NEXT:  }
# LLVM-EXPAND-64-NEXT:]

--- !ELF
FileHeader:
  Class:   ELFCLASS64
  Data:    ELFDATA2LSB
  Type:    ET_REL
  Machine: EM_X86_64
Sections:
  - Name: .text
    Type: SHT_PROGBITS
    Content: '00FFFFFFFF020000001234567890ABCDEF'
  - Name:    .rel.text
    Type:    SHT_REL
    Info:    .text
    Link:    [[LINK=.symtab]]
    ShName:  [[SHNAME=<none>]]
    EntSize: [[ENTSIZEREL=<none>]]
    Relocations:
      - Symbol: rel_0
        Type:   R_X86_64_NONE
      - Offset: 0x1
        Symbol: rel_neg
        Type:   R_X86_64_PC32
      - Offset: 0x5
        Symbol: rel_pos
        Type:   R_X86_64_PLT32
      - Offset: 0x9
        Symbol: rel_64
        Type:   R_X86_64_64
  - Name:    .rela.text
    Type:    SHT_RELA
    Info:    .text
    Link:    [[LINK=.symtab]]
    ShName:  [[SHNAME=<none>]]
    EntSize: [[ENTSIZERELA=<none>]]
    Relocations:
      - Symbol: rela_0
        Type:   R_X86_64_NONE
        Addend: 0
      - Offset: 0x1
        Symbol: rela_neg
        Type:   R_X86_64_PC32
        Addend: -1
      - Offset: 0x5
        Symbol: rela_pos
        Type:   R_X86_64_PLT32
        Addend: 2
      - Offset: 0xFFFFFFFFFFFFFFFF
        Symbol: rela_minneg
        Type:   R_X86_64_64
        Addend: -9223372036854775808 ## Min 64-bit signed.
      - Offset: 0x9
        Symbol: rela_maxpos
        Type:   R_X86_64_32S
        Addend: 9223372036854775807 ## Max 64-bit signed.
Symbols:
  - Name:    rel_0
    Section: .text
    Value:   0
  - Name:     rel_neg
    Section: .text
    Value:   1
  - Name:    rel_pos
    Section: .text
    Value:   2
  - Name:    rel_64
    Section: .text
    Value:   0xFFFFFFFFFFFFFFFF
  - Name:    rela_0
    Section: .text
    Value:   0
  - Name:    rela_neg
    Section: .text
    Value:   1
  - Name:    rela_pos
    Section: .text
    Value:   2
  - Name:    rela_minneg
    Section: .text
    Value:   3
  - Name:    rela_maxpos
    Section: .text
    Value:   0xFFFFFFFFFFFFFFFF

## Check we report a warning when we are unable to dump relocations for a section.
## Check we continue dumping other relocation sections if any.

## Case A: check the case when relocations can't be read from an SHT_REL section.
##         because of broken sh_entsize field.
# RUN: yaml2obj %s --docnum=1 -DENTSIZEREL=1 -o %t.broken.rel
# RUN: llvm-readobj --relocations %t.broken.rel 2>&1 \
# RUN:   | FileCheck %s -DFILE=%t.broken.rel --check-prefix=BROKEN-REL-LLVM
# RUN: llvm-readelf --relocations %t.broken.rel 2>&1 \
# RUN:   | FileCheck %s -DFILE=%t.broken.rel --check-prefix=BROKEN-REL-GNU

# BROKEN-REL-LLVM:      Relocations [
# BROKEN-REL-LLVM-NEXT:   Section (2) .rel.text {
# BROKEN-REL-LLVM-NEXT: warning: '[[FILE]]': unable to read relocations from SHT_REL section with index 2: section [index 2] has an invalid sh_entsize: 1
# BROKEN-REL-LLVM-NEXT:   }
# BROKEN-REL-LLVM-NEXT:   Section (3) .rela.text {
# BROKEN-REL-LLVM-NEXT:     0x0 R_X86_64_NONE rela_0 0x0
# BROKEN-REL-LLVM-NEXT:     0x1 R_X86_64_PC32 rela_neg 0xFFFFFFFFFFFFFFFF
# BROKEN-REL-LLVM-NEXT:     0x5 R_X86_64_PLT32 rela_pos 0x2
# BROKEN-REL-LLVM-NEXT:     0xFFFFFFFFFFFFFFFF R_X86_64_64 rela_minneg 0x8000000000000000
# BROKEN-REL-LLVM-NEXT:     0x9 R_X86_64_32S rela_maxpos 0x7FFFFFFFFFFFFFFF
# BROKEN-REL-LLVM-NEXT:   }
# BROKEN-REL-LLVM-NEXT: ]

# BROKEN-REL-GNU:      Relocation section '.rel.text' at offset 0x51 contains 64 entries:
# BROKEN-REL-GNU-NEXT:     Offset             Info             Type       Symbol's Value  Symbol's Name
# BROKEN-REL-GNU-NEXT: warning: '[[FILE]]': unable to read relocations from SHT_REL section with index 2: section [index 2] has an invalid sh_entsize: 1
# BROKEN-REL-GNU:      Relocation section '.rela.text' at offset 0x91 contains 5 entries:
# BROKEN-REL-GNU-NEXT:     Offset             Info             Type       Symbol's Value  Symbol's Name
# BROKEN-REL-GNU-NEXT: 0000000000000000  0000000500000000 R_X86_64_NONE  0000000000000000 rela_0 + 0
# BROKEN-REL-GNU-NEXT: 0000000000000001  0000000600000002 R_X86_64_PC32  0000000000000001 rela_neg - 1
# BROKEN-REL-GNU-NEXT: 0000000000000005  0000000700000004 R_X86_64_PLT32 0000000000000002 rela_pos + 2
# BROKEN-REL-GNU-NEXT: ffffffffffffffff  0000000800000001 R_X86_64_64    0000000000000003 rela_minneg - 8000000000000000
# BROKEN-REL-GNU-NEXT: 0000000000000009  000000090000000b R_X86_64_32S   ffffffffffffffff rela_maxpos + 7fffffffffffffff

## Case B: check the case when relocations can't be read from an SHT_RELA section.
##         because of broken sh_entsize field.
# RUN: yaml2obj %s --docnum=1 -DENTSIZERELA=1 -o %t.broken.rela
# RUN: llvm-readobj --relocations %t.broken.rela 2>&1 \
# RUN:   | FileCheck %s -DFILE=%t.broken.rela --check-prefix=BROKEN-RELA-LLVM
# RUN: llvm-readelf --relocations %t.broken.rela 2>&1 \
# RUN:   | FileCheck %s -DFILE=%t.broken.rela --check-prefix=BROKEN-RELA-GNU

# BROKEN-RELA-LLVM:      Relocations [
# BROKEN-RELA-LLVM-NEXT:   Section (2) .rel.text {
# BROKEN-RELA-LLVM-NEXT:     0x0 R_X86_64_NONE rel_0 0x0
# BROKEN-RELA-LLVM-NEXT:     0x1 R_X86_64_PC32 rel_neg 0x0
# BROKEN-RELA-LLVM-NEXT:     0x5 R_X86_64_PLT32 rel_pos 0x0
# BROKEN-RELA-LLVM-NEXT:     0x9 R_X86_64_64 rel_64 0x0
# BROKEN-RELA-LLVM-NEXT:   }
# BROKEN-RELA-LLVM-NEXT:   Section (3) .rela.text {
# BROKEN-RELA-LLVM-NEXT: warning: '[[FILE]]': unable to read relocations from SHT_RELA section with index 3: section [index 3] has an invalid sh_entsize: 1
# BROKEN-RELA-LLVM-NEXT:   }
# BROKEN-RELA-LLVM-NEXT: ]

# BROKEN-RELA-GNU:      Relocation section '.rel.text' at offset 0x51 contains 4 entries:
# BROKEN-RELA-GNU-NEXT:     Offset             Info             Type       Symbol's Value  Symbol's Name
# BROKEN-RELA-GNU-NEXT: 0000000000000000  0000000100000000 R_X86_64_NONE  0000000000000000 rel_0
# BROKEN-RELA-GNU-NEXT: 0000000000000001  0000000200000002 R_X86_64_PC32  0000000000000001 rel_neg
# BROKEN-RELA-GNU-NEXT: 0000000000000005  0000000300000004 R_X86_64_PLT32 0000000000000002 rel_pos
# BROKEN-RELA-GNU-NEXT: 0000000000000009  0000000400000001 R_X86_64_64    ffffffffffffffff rel_64
# BROKEN-RELA-GNU-EMPTY:
# BROKEN-RELA-GNU-NEXT: Relocation section '.rela.text' at offset 0x91 contains 120 entries:
# BROKEN-RELA-GNU-NEXT:     Offset             Info             Type               Symbol's Value  Symbol's Name + Addend
# BROKEN-RELA-GNU-NEXT: warning: '[[FILE]]': unable to read relocations from SHT_RELA section with index 3: section [index 3] has an invalid sh_entsize: 1

## Case C: check the case when relocations can't be read from SHT_REL/SHT_RELA sections
##         because of broken sh_link fields.
# RUN: yaml2obj %s --docnum=1 -DLINK=0xffff -o %t.broken.link
# RUN: llvm-readobj --relocations %t.broken.link 2>&1 \
# RUN:   | FileCheck %s -DFILE=%t.broken.link --check-prefix=BROKEN-LINK-LLVM
# RUN: llvm-readelf --relocations %t.broken.link 2>&1 \
# RUN:   | FileCheck %s -DFILE=%t.broken.link --check-prefix=BROKEN-LINK-GNU

# BROKEN-LINK-LLVM:      Relocations [
# BROKEN-LINK-LLVM-NEXT:   Section (2) .rel.text {
# BROKEN-LINK-LLVM-NEXT: warning: '[[FILE]]': unable to locate a symbol table for SHT_REL section with index 2: invalid section index: 65535
# BROKEN-LINK-LLVM-NEXT:   }
# BROKEN-LINK-LLVM-NEXT:   Section (3) .rela.text {
# BROKEN-LINK-LLVM-NEXT: warning: '[[FILE]]': unable to locate a symbol table for SHT_RELA section with index 3: invalid section index: 65535
# BROKEN-LINK-LLVM-NEXT:   }
# BROKEN-LINK-LLVM-NEXT: ]

# BROKEN-LINK-GNU:      Relocation section '.rel.text' at offset 0x51 contains 4 entries:
# BROKEN-LINK-GNU-NEXT:     Offset             Info             Type               Symbol's Value  Symbol's Name
# BROKEN-LINK-GNU-NEXT: warning: '[[FILE]]': unable to locate a symbol table for SHT_REL section with index 2: invalid section index: 65535
# BROKEN-LINK-GNU-EMPTY:
# BROKEN-LINK-GNU-NEXT: Relocation section '.rela.text' at offset 0x91 contains 5 entries:
# BROKEN-LINK-GNU-NEXT:     Offset             Info             Type               Symbol's Value  Symbol's Name + Addend
# BROKEN-LINK-GNU-NEXT: warning: '[[FILE]]': unable to locate a symbol table for SHT_RELA section with index 3: invalid section index: 65535

## Show that ELF32 is dumped correctly.
# RUN: yaml2obj %s --docnum=2 -o %t32
# RUN: llvm-readobj -r %t32 \
# RUN:   | FileCheck %s --check-prefix=LLVM-32 --strict-whitespace --match-full-lines
# RUN: llvm-readobj --relocs %t32 \
# RUN:   | FileCheck %s --check-prefix=LLVM-32 --strict-whitespace --match-full-lines
# RUN: llvm-readobj --relocations %t32 \
# RUN:   | FileCheck %s --check-prefix=LLVM-32 --strict-whitespace --match-full-lines

#      LLVM-32:Relocations [
# LLVM-32-NEXT:  Section (2) .rel.text {
# LLVM-32-NEXT:    0x0 R_386_NONE rel_0 0x0
# LLVM-32-NEXT:    0x1 R_386_PC32 rel_neg 0x0
# LLVM-32-NEXT:    0x5 R_386_PLT32 rel_pos 0x0
# LLVM-32-NEXT:  }
# LLVM-32-NEXT:  Section (3) .rela.text {
# LLVM-32-NEXT:    0x0 R_386_NONE rela_0 0x0
# LLVM-32-NEXT:    0x1 R_386_PC32 rela_neg 0xFFFFFFFF
# LLVM-32-NEXT:    0x5 R_386_PLT32 rela_pos 0x2
# LLVM-32-NEXT:    0xFFFFFFFF R_386_32 rela_minneg 0x80000000
# LLVM-32-NEXT:    0x9 R_386_GOT32 rela_maxpos 0x7FFFFFFF
# LLVM-32-NEXT:  }
# LLVM-32-NEXT:]

# RUN: llvm-readelf -r %t32 \
# RUN:   | FileCheck %s --check-prefix=GNU-32 --strict-whitespace --match-full-lines
# RUN: llvm-readelf --relocs %t32 \
# RUN:   | FileCheck %s --check-prefix=GNU-32 --strict-whitespace --match-full-lines
# RUN: llvm-readelf --relocations %t32 \
# RUN:   | FileCheck %s --check-prefix=GNU-32 --strict-whitespace --match-full-lines

#      GNU-32:Relocation section '.rel.text' at offset 0x3d contains 3 entries:
# GNU-32-NEXT: Offset     Info    Type                Sym. Value  Symbol's Name
# GNU-32-NEXT:00000000  00000100 R_386_NONE             00000000   rel_0
# GNU-32-NEXT:00000001  00000202 R_386_PC32             00000001   rel_neg
# GNU-32-NEXT:00000005  00000304 R_386_PLT32            ffffffff   rel_pos
# GNU-32-EMPTY:
# GNU-32-NEXT:Relocation section '.rela.text' at offset 0x55 contains 5 entries:
# GNU-32-NEXT: Offset     Info    Type                Sym. Value  Symbol's Name + Addend
# GNU-32-NEXT:00000000  00000400 R_386_NONE             00000000   rela_0 + 0
# GNU-32-NEXT:00000001  00000502 R_386_PC32             00000001   rela_neg - 1
# GNU-32-NEXT:00000005  00000604 R_386_PLT32            00000002   rela_pos + 2
# GNU-32-NEXT:ffffffff  00000701 R_386_32               00000003   rela_minneg - 80000000
# GNU-32-NEXT:00000009  00000803 R_386_GOT32            ffffffff   rela_maxpos + 7fffffff

## Show that --expand-relocs expands the relocation dump for LLVM style only
## (and not GNU).
# RUN: llvm-readobj -r --expand-relocs %t32 \
# RUN:   | FileCheck %s --check-prefix=LLVM-EXPAND-32 --strict-whitespace --match-full-lines
# RUN: llvm-readelf -r --expand-relocs %t32 \
# RUN:   | FileCheck %s --check-prefix=GNU-32 --strict-whitespace --match-full-lines

#      LLVM-EXPAND-32:Relocations [
# LLVM-EXPAND-32-NEXT:  Section (2) .rel.text {
# LLVM-EXPAND-32-NEXT:    Relocation {
# LLVM-EXPAND-32-NEXT:      Offset: 0x0
# LLVM-EXPAND-32-NEXT:      Type: R_386_NONE (0)
# LLVM-EXPAND-32-NEXT:      Symbol: rel_0 (1)
# LLVM-EXPAND-32-NEXT:      Addend: 0x0
# LLVM-EXPAND-32-NEXT:    }
# LLVM-EXPAND-32-NEXT:    Relocation {
# LLVM-EXPAND-32-NEXT:      Offset: 0x1
# LLVM-EXPAND-32-NEXT:      Type: R_386_PC32 (2)
# LLVM-EXPAND-32-NEXT:      Symbol: rel_neg (2)
# LLVM-EXPAND-32-NEXT:      Addend: 0x0
# LLVM-EXPAND-32-NEXT:    }
# LLVM-EXPAND-32-NEXT:    Relocation {
# LLVM-EXPAND-32-NEXT:      Offset: 0x5
# LLVM-EXPAND-32-NEXT:      Type: R_386_PLT32 (4)
# LLVM-EXPAND-32-NEXT:      Symbol: rel_pos (3)
# LLVM-EXPAND-32-NEXT:      Addend: 0x0
# LLVM-EXPAND-32-NEXT:    }
# LLVM-EXPAND-32-NEXT:  }
# LLVM-EXPAND-32-NEXT:  Section (3) .rela.text {
# LLVM-EXPAND-32-NEXT:    Relocation {
# LLVM-EXPAND-32-NEXT:      Offset: 0x0
# LLVM-EXPAND-32-NEXT:      Type: R_386_NONE (0)
# LLVM-EXPAND-32-NEXT:      Symbol: rela_0 (4)
# LLVM-EXPAND-32-NEXT:      Addend: 0x0
# LLVM-EXPAND-32-NEXT:    }
# LLVM-EXPAND-32-NEXT:    Relocation {
# LLVM-EXPAND-32-NEXT:      Offset: 0x1
# LLVM-EXPAND-32-NEXT:      Type: R_386_PC32 (2)
# LLVM-EXPAND-32-NEXT:      Symbol: rela_neg (5)
# LLVM-EXPAND-32-NEXT:      Addend: 0xFFFFFFFF
# LLVM-EXPAND-32-NEXT:    }
# LLVM-EXPAND-32-NEXT:    Relocation {
# LLVM-EXPAND-32-NEXT:      Offset: 0x5
# LLVM-EXPAND-32-NEXT:      Type: R_386_PLT32 (4)
# LLVM-EXPAND-32-NEXT:      Symbol: rela_pos (6)
# LLVM-EXPAND-32-NEXT:      Addend: 0x2
# LLVM-EXPAND-32-NEXT:    }
# LLVM-EXPAND-32-NEXT:    Relocation {
# LLVM-EXPAND-32-NEXT:      Offset: 0xFFFFFFFF
# LLVM-EXPAND-32-NEXT:      Type: R_386_32 (1)
# LLVM-EXPAND-32-NEXT:      Symbol: rela_minneg (7)
# LLVM-EXPAND-32-NEXT:      Addend: 0x80000000
# LLVM-EXPAND-32-NEXT:    }
# LLVM-EXPAND-32-NEXT:    Relocation {
# LLVM-EXPAND-32-NEXT:      Offset: 0x9
# LLVM-EXPAND-32-NEXT:      Type: R_386_GOT32 (3)
# LLVM-EXPAND-32-NEXT:      Symbol: rela_maxpos (8)
# LLVM-EXPAND-32-NEXT:      Addend: 0x7FFFFFFF
# LLVM-EXPAND-32-NEXT:    }
# LLVM-EXPAND-32-NEXT:  }
# LLVM-EXPAND-32-NEXT:]

--- !ELF
FileHeader:
  Class:   ELFCLASS32
  Data:    ELFDATA2LSB
  Type:    ET_REL
  Machine: EM_386
Sections:
  - Name: .text
    Type: SHT_PROGBITS
    Content: '00FFFFFFFF02000000'
  - Name: .rel.text
    Type: SHT_REL
    Info: .text
    Relocations:
      - Symbol: rel_0
        Type:   R_386_NONE
      - Offset: 0x1
        Symbol: rel_neg
        Type:   R_386_PC32
      - Offset: 0x5
        Symbol: rel_pos
        Type:   R_386_PLT32
  - Name: .rela.text
    Type: SHT_RELA
    Info: .text
    Relocations:
      - Symbol: rela_0
        Type:   R_386_NONE
        Addend: 0
      - Offset: 0x1
        Symbol: rela_neg
        Type:   R_386_PC32
        Addend: -1
      - Offset: 0x5
        Symbol: rela_pos
        Type:   R_386_PLT32
        Addend: 2
      - Offset: 0xFFFFFFFF
        Symbol: rela_minneg
        Type:   R_386_32
        Addend: -2147483648 ## Min 32-bit signed.
      - Offset: 0x9
        Symbol: rela_maxpos
        Type:   R_386_GOT32
        Addend: 2147483647 ## Max 32-bit signed.
Symbols:
  - Name:    rel_0
    Section: .text
    Value:   0
  - Name:    rel_neg
    Section: .text
    Value:   1
  - Name:    rel_pos
    Section: .text
    Value:   0xFFFFFFFF
  - Name:    rela_0
    Section: .text
    Value:   0
  - Name:    rela_neg
    Section: .text
    Value:   1
  - Name:    rela_pos
    Section: .text
    Value:   2
  - Name:    rela_minneg
    Section: .text
    Value:   3
  - Name:    rela_maxpos
    Section: .text
    Value:   0xFFFFFFFF

## Check we report a warning when the name of a relocation section can't be read. Check we continue dumping.
# RUN: yaml2obj %s --docnum=1 -DSHNAME=0xffffffff -o %tshname
# RUN: llvm-readobj --relocs %tshname 2>&1 | FileCheck %s -DFILE=%tshname --check-prefix=LLVM-SHNAME
# RUN: llvm-readelf --relocs %tshname 2>&1 | FileCheck %s -DFILE=%tshname --check-prefix=GNU-SHNAME

# LLVM-SHNAME:      Relocations [
# LLVM-SHNAME-NEXT: warning: '[[FILE]]': unable to get the name of SHT_REL section with index 2: a section [index 2] has an invalid sh_name (0xffffffff) offset which goes past the end of the section name string table
# LLVM-SHNAME-NEXT:   Section (2) <?> {
# LLVM-SHNAME-NEXT:     0x0 R_X86_64_NONE rel_0 0x0
# LLVM-SHNAME-NEXT:     0x1 R_X86_64_PC32 rel_neg 0x0
# LLVM-SHNAME-NEXT:     0x5 R_X86_64_PLT32 rel_pos 0x0
# LLVM-SHNAME-NEXT:     0x9 R_X86_64_64 rel_64 0x0
# LLVM-SHNAME-NEXT:   }
# LLVM-SHNAME-NEXT: warning: '[[FILE]]': unable to get the name of SHT_RELA section with index 3: a section [index 3] has an invalid sh_name (0xffffffff) offset which goes past the end of the section name string table
# LLVM-SHNAME-NEXT:   Section (3) <?> {
# LLVM-SHNAME-NEXT:     0x0 R_X86_64_NONE rela_0 0x0
# LLVM-SHNAME-NEXT:     0x1 R_X86_64_PC32 rela_neg 0xFFFFFFFFFFFFFFFF
# LLVM-SHNAME-NEXT:     0x5 R_X86_64_PLT32 rela_pos 0x2
# LLVM-SHNAME-NEXT:     0xFFFFFFFFFFFFFFFF R_X86_64_64 rela_minneg 0x8000000000000000
# LLVM-SHNAME-NEXT:     0x9 R_X86_64_32S rela_maxpos 0x7FFFFFFFFFFFFFFF
# LLVM-SHNAME-NEXT:   }
# LLVM-SHNAME-NEXT: ]

# GNU-SHNAME:      warning: '[[FILE]]': unable to get the name of SHT_REL section with index 2: a section [index 2] has an invalid sh_name (0xffffffff) offset which goes past the end of the section name string table
# GNU-SHNAME:      Relocation section '<?>' at offset 0x51 contains 4 entries:
# GNU-SHNAME-NEXT:     Offset             Info             Type               Symbol's Value  Symbol's Name
# GNU-SHNAME-NEXT: 0000000000000000  0000000100000000 R_X86_64_NONE          0000000000000000 rel_0
# GNU-SHNAME-NEXT: 0000000000000001  0000000200000002 R_X86_64_PC32          0000000000000001 rel_neg
# GNU-SHNAME-NEXT: 0000000000000005  0000000300000004 R_X86_64_PLT32         0000000000000002 rel_pos
# GNU-SHNAME-NEXT: 0000000000000009  0000000400000001 R_X86_64_64            ffffffffffffffff rel_64
# GNU-SHNAME:      warning: '[[FILE]]': unable to get the name of SHT_RELA section with index 3: a section [index 3] has an invalid sh_name (0xffffffff) offset which goes past the end of the section name string table
# GNU-SHNAME:      Relocation section '<?>' at offset 0x91 contains 5 entries:
# GNU-SHNAME-NEXT:     Offset             Info             Type       Symbol's Value  Symbol's Name + Addend
# GNU-SHNAME-NEXT: 0000000000000000  0000000500000000 R_X86_64_NONE  0000000000000000 rela_0 + 0
# GNU-SHNAME-NEXT: 0000000000000001  0000000600000002 R_X86_64_PC32  0000000000000001 rela_neg - 1
# GNU-SHNAME-NEXT: 0000000000000005  0000000700000004 R_X86_64_PLT32 0000000000000002 rela_pos + 2
# GNU-SHNAME-NEXT: ffffffffffffffff  0000000800000001 R_X86_64_64    0000000000000003 rela_minneg - 8000000000000000
# GNU-SHNAME-NEXT: 0000000000000009  000000090000000b R_X86_64_32S   ffffffffffffffff rela_maxpos + 7fffffffffffffff