lld/test/ELF/shared.s

   1 // REQUIRES: x86
   2 // RUN: llvm-mc -filetype=obj -triple=i686-unknown-linux %s -o %t.o
   3 // RUN: llvm-mc -filetype=obj -triple=i686-unknown-linux %p/Inputs/shared.s -o %t2.o
   4 // RUN: ld.lld --hash-style=sysv -shared %t2.o -soname=t2.so -o %t2.so
   5 // RUN: llvm-readobj -S %t2.so | FileCheck --check-prefix=SO %s
   6 // RUN: ld.lld --hash-style=sysv -dynamic-linker /lib64/ld-linux-x86-64.so.2 -rpath foo -rpath bar --export-dynamic %t.o %t2.so -o %t
   7 // RUN: llvm-readobj -S -l --dynamic-table --symbols --dyn-syms --section-data --hash-table %t | FileCheck %s
   8 // RUN: ld.lld --hash-style=sysv %t.o %t2.so %t2.so -o %t2
   9 // RUN: llvm-readobj --dyn-syms %t2 | FileCheck --check-prefix=DONT_EXPORT %s
  10
  11 // Make sure .symtab is properly aligned.
  12 // SO:      Name: .symtab
  13 // SO-NEXT: Type: SHT_SYMTAB
  14 // SO-NEXT: Flags [
  15 // SO-NEXT: ]
  16 // SO-NEXT: Address:
  17 // SO-NEXT: Offset: 0x1D0
  18 // SO-NEXT: Size:
  19 // SO-NEXT: Link:
  20 // SO-NEXT: Info:
  21 // SO-NEXT: AddressAlignment: 4
  22
  23 // CHECK:        Name: .interp
  24 // CHECK-NEXT:   Type: SHT_PROGBITS
  25 // CHECK-NEXT:   Flags [
  26 // CHECK-NEXT:     SHF_ALLOC
  27 // CHECK-NEXT:   ]
  28 // CHECK-NEXT:   Address: [[INTERPADDR:.*]]
  29 // CHECK-NEXT:   Offset: [[INTERPOFFSET:.*]]
  30 // CHECK-NEXT:   Size: [[INTERPSIZE:.*]]
  31 // CHECK-NEXT:   Link: 0
  32 // CHECK-NEXT:   Info: 0
  33 // CHECK-NEXT:   AddressAlignment: 1
  34 // CHECK-NEXT:   EntrySize: 0
  35 // CHECK-NEXT:   SectionData (
  36 // CHECK-NEXT:     0000: 2F6C6962 36342F6C 642D6C69 6E75782D  |/lib64/ld-linux-|
  37 // CHECK-NEXT:     0010: 7838362D 36342E73 6F2E3200           |x86-64.so.2.|
  38 // CHECK-NEXT:   )
  39 // CHECK-NEXT: }
  40
  41 // test that .hash is linked to .dynsym
  42 // CHECK:        Index: 2
  43 // CHECK-NEXT:   Name: .dynsym
  44 // CHECK-NEXT:   Type: SHT_DYNSYM
  45 // CHECK-NEXT:   Flags [
  46 // CHECK-NEXT:     SHF_ALLOC
  47 // CHECK-NEXT:   ]
  48 // CHECK-NEXT:   Address: [[DYNSYMADDR:.*]]
  49 // CHECK-NEXT:   Offset: 0x170
  50 // CHECK-NEXT:   Size:
  51 // CHECK-NEXT:   Link: [[DYNSTR:.*]]
  52 // CHECK-NEXT:   Info: 1
  53 // CHECK-NEXT:   AddressAlignment: 4
  54 // CHECK-NEXT:   EntrySize: 16
  55 // CHECK-NEXT:   SectionData (
  56 // CHECK-NEXT:     0000:
  57 // CHECK-NEXT:     0010:
  58 // CHECK-NEXT:     0020:
  59 // CHECK-NEXT:     0030:
  60 // CHECK-NEXT:   )
  61 // CHECK-NEXT: }
  62 // CHECK-NEXT: Section {
  63 // CHECK-NEXT:   Index: 3
  64 // CHECK-NEXT:    Name: .hash
  65 // CHECK-NEXT:    Type: SHT_HASH
  66 // CHECK-NEXT:    Flags [
  67 // CHECK-NEXT:      SHF_ALLOC
  68 // CHECK-NEXT:    ]
  69 // CHECK-NEXT:    Address: [[HASHADDR:.*]]
  70 // CHECK-NEXT:    Offset:
  71 // CHECK-NEXT:    Size:
  72 // CHECK-NEXT:    Link: 2
  73 // CHECK-NEXT:    Info: 0
  74 // CHECK-NEXT:    AddressAlignment: 4
  75 // CHECK-NEXT:    EntrySize: 4
  76 // CHECK:      Section {
  77 // CHECK-NEXT:   Index: [[DYNSTR]]
  78 // CHECK-NEXT:   Name: .dynstr
  79 // CHECK-NEXT:   Type: SHT_STRTAB
  80 // CHECK-NEXT:   Flags [
  81 // CHECK-NEXT:     SHF_ALLOC
  82 // CHECK-NEXT:   ]
  83 // CHECK-NEXT:   Address: [[DYNSTRADDR:.*]]
  84 // CHECK-NEXT:   Offset:
  85 // CHECK-NEXT:   Size:
  86 // CHECK-NEXT:   Link: 0
  87 // CHECK-NEXT:   Info: 0
  88 // CHECK-NEXT:   AddressAlignment: 1
  89 // CHECK-NEXT:   EntrySize: 0
  90
  91 // CHECK:      Name: .rel.dyn
  92 // CHECK-NEXT: Type: SHT_REL
  93 // CHECK-NEXT: Flags [
  94 // CHECK-NEXT:   SHF_ALLOC
  95 // CHECK-NEXT: ]
  96 // CHECK-NEXT: Address: [[RELADDR:.*]]
  97 // CHECK-NEXT: Offset:
  98 // CHECK-NEXT: Size: [[RELSIZE:.*]]
  99 // CHECK-NEXT: Link:
 100 // CHECK-NEXT: Info:
 101 // CHECK-NEXT: AddressAlignment:
 102 // CHECK-NEXT: EntrySize: [[RELENT:.*]]
 103
 104 // CHECK:        Name: .dynamic
 105 // CHECK-NEXT:   Type: SHT_DYNAMIC
 106 // CHECK-NEXT:   Flags [
 107 // CHECK-NEXT:     SHF_ALLOC
 108 // CHECK-NEXT:     SHF_WRITE
 109 // CHECK-NEXT:   ]
 110 // CHECK-NEXT:   Address: [[ADDR:.*]]
 111 // CHECK-NEXT:   Offset: [[OFFSET:.*]]
 112 // CHECK-NEXT:   Size: [[SIZE:.*]]
 113 // CHECK-NEXT:   Link: [[DYNSTR]]
 114 // CHECK-NEXT:   Info: 0
 115 // CHECK-NEXT:   AddressAlignment: [[ALIGN:.*]]
 116 // CHECK-NEXT:   EntrySize: 8
 117 // CHECK-NEXT:   SectionData (
 118 // CHECK:        )
 119
 120 // CHECK:      Name: .symtab
 121 // CHECK-NEXT: Type: SHT_SYMTAB
 122 // CHECK-NEXT: Flags [
 123 // CHECK-NEXT: ]
 124 // CHECK-NEXT: Address:
 125 // CHECK-NEXT: Offset:
 126 // CHECK-NEXT: Size:
 127 // CHECK-NEXT: Link:
 128 // CHECK-NEXT: Info:
 129 // CHECK-NEXT: AddressAlignment:
 130 // CHECK-NEXT: EntrySize: [[SYMENT:.*]]
 131
 132 // CHECK:     ProgramHeaders [
 133 // CHECK:        Type: PT_INTERP
 134 // CHECK-NEXT:   Offset: [[INTERPOFFSET]]
 135 // CHECK-NEXT:   VirtualAddress: [[INTERPADDR]]
 136 // CHECK-NEXT:   PhysicalAddress: [[INTERPADDR]]
 137 // CHECK-NEXT:   FileSize: [[INTERPSIZE]]
 138 // CHECK-NEXT:   MemSize: [[INTERPSIZE]]
 139 // CHECK-NEXT:   Flags [
 140 // CHECK-NEXT:     PF_R
 141 // CHECK-NEXT:   ]
 142 // CHECK-NEXT:   Alignment: 1
 143 // CHECK-NEXT: }
 144 // CHECK:        Type: PT_DYNAMIC
 145 // CHECK-NEXT:   Offset: [[OFFSET]]
 146 // CHECK-NEXT:   VirtualAddress: [[ADDR]]
 147 // CHECK-NEXT:   PhysicalAddress: [[ADDR]]
 148 // CHECK-NEXT:   FileSize: [[SIZE]]
 149 // CHECK-NEXT:   MemSize: [[SIZE]]
 150 // CHECK-NEXT:   Flags [
 151 // CHECK-NEXT:     PF_R
 152 // CHECK-NEXT:     PF_W
 153 // CHECK-NEXT:   ]
 154 // CHECK-NEXT:   Alignment: [[ALIGN]]
 155 // CHECK-NEXT: }
 156
 157 // CHECK:      DynamicSection [
 158 // CHECK-NEXT:   Tag        Type                 Name/Value
 159 // CHECK-NEXT:   0x0000001D RUNPATH              Library runpath: [foo:bar]
 160 // CHECK-NEXT:   0x00000001 NEEDED               Shared library: [{{.*}}2.so]
 161 // CHECK-NEXT:   0x00000015 DEBUG                0x0
 162 // CHECK-NEXT:   0x00000011 REL                  [[RELADDR]]
 163 // CHECK-NEXT:   0x00000012 RELSZ                [[RELSIZE]] (bytes)
 164 // CHECK-NEXT:   0x00000013 RELENT               [[RELENT]] (bytes)
 165 // CHECK-NEXT:   0x00000006 SYMTAB               [[DYNSYMADDR]]
 166 // CHECK-NEXT:   0x0000000B SYMENT               [[SYMENT]] (bytes)
 167 // CHECK-NEXT:   0x00000005 STRTAB               [[DYNSTRADDR]]
 168 // CHECK-NEXT:   0x0000000A STRSZ
 169 // CHECK-NEXT:   0x00000004 HASH                 [[HASHADDR]]
 170 // CHECK-NEXT:   0x00000000 NULL                 0x0
 171 // CHECK-NEXT: ]
 172
 173 // CHECK:      Symbols [
 174 // CHECK-NEXT:   Symbol {
 175 // CHECK-NEXT:     Name:
 176 // CHECK-NEXT:     Value: 0x0
 177 // CHECK-NEXT:     Size: 0
 178 // CHECK-NEXT:     Binding: Local
 179 // CHECK-NEXT:     Type: None
 180 // CHECK-NEXT:     Other: 0
 181 // CHECK-NEXT:     Section: Undefined
 182 // CHECK-NEXT:   }
 183 // CHECK-NEXT:   Symbol {
 184 // CHECK-NEXT:     Name: _DYNAMIC
 185 // CHECK-NEXT:     Value: 0x402210
 186 // CHECK-NEXT:     Size: 0
 187 // CHECK-NEXT:     Binding: Local
 188 // CHECK-NEXT:     Type: None
 189 // CHECK-NEXT:     Other [ (0x2)
 190 // CHECK-NEXT:       STV_HIDDEN
 191 // CHECK-NEXT:     ]
 192 // CHECK-NEXT:     Section: .dynamic
 193 // CHECK-NEXT:   }
 194 // CHECK-NEXT:   Symbol {
 195 // CHECK-NEXT:     Name: _start
 196 // CHECK-NEXT:     Value: 0x401208
 197 // CHECK-NEXT:     Size: 0
 198 // CHECK-NEXT:     Binding: Global
 199 // CHECK-NEXT:     Type: None
 200 // CHECK-NEXT:     Other: 0
 201 // CHECK-NEXT:     Section: .text
 202 // CHECK-NEXT:   }
 203 // CHECK-NEXT:   Symbol {
 204 // CHECK-NEXT:     Name: bar
 205 // CHECK-NEXT:     Value: 0x0
 206 // CHECK-NEXT:     Size: 0
 207 // CHECK-NEXT:     Binding: Global
 208 // CHECK-NEXT:     Type: Function
 209 // CHECK-NEXT:     Other: 0
 210 // CHECK-NEXT:     Section: Undefined
 211 // CHECK-NEXT:   }
 212 // CHECK-NEXT:   Symbol {
 213 // CHECK-NEXT:     Name: zed
 214 // CHECK-NEXT:     Value: 0x0
 215 // CHECK-NEXT:     Size: 0
 216 // CHECK-NEXT:     Binding: Global (0x1)
 217 // CHECK-NEXT:     Type: None (0x0)
 218 // CHECK-NEXT:     Other: 0
 219 // CHECK-NEXT:     Section: Undefined (0x0)
 220 // CHECK-NEXT:   }
 221 // CHECK-NEXT: ]
 222
 223 // CHECK:      DynamicSymbols [
 224 // CHECK-NEXT:   Symbol {
 225 // CHECK-NEXT:     Name:
 226 // CHECK-NEXT:     Value: 0x0
 227 // CHECK-NEXT:     Size: 0
 228 // CHECK-NEXT:     Binding: Local
 229 // CHECK-NEXT:     Type: None
 230 // CHECK-NEXT:     Other: 0
 231 // CHECK-NEXT:     Section: Undefined
 232 // CHECK-NEXT:   }
 233 // CHECK-NEXT:   Symbol {
 234 // CHECK-NEXT:     Name: _start
 235 // CHECK-NEXT:     Value: 0x401208
 236 // CHECK-NEXT:     Size: 0
 237 // CHECK-NEXT:     Binding: Global
 238 // CHECK-NEXT:     Type: Non
 239 // CHECK-NEXT:     Other: 0
 240 // CHECK-NEXT:     Section: .text
 241 // CHECK-NEXT:   }
 242 // CHECK-NEXT:   Symbol {
 243 // CHECK-NEXT:     Name: bar
 244 // CHECK-NEXT:     Value: 0x0
 245 // CHECK-NEXT:     Size: 0
 246 // CHECK-NEXT:     Binding: Global
 247 // CHECK-NEXT:     Type: Function
 248 // CHECK-NEXT:     Other: 0
 249 // CHECK-NEXT:     Section: Undefined
 250 // CHECK-NEXT:   }
 251 // CHECK-NEXT:   Symbol {
 252 // CHECK-NEXT:     Name: zed
 253 // CHECK-NEXT:     Value: 0x0
 254 // CHECK-NEXT:     Size: 0
 255 // CHECK-NEXT:     Binding: Global
 256 // CHECK-NEXT:     Type: None
 257 // CHECK-NEXT:     Other: 0
 258 // CHECK-NEXT:     Section: Undefined
 259 // CHECK-NEXT:   }
 260 // CHECK-NEXT: ]
 261
 262 // DONT_EXPORT:      DynamicSymbols [
 263 // DONT_EXPORT-NEXT:   Symbol {
 264 // DONT_EXPORT-NEXT:     Name:
 265 // DONT_EXPORT-NEXT:     Value: 0x0
 266 // DONT_EXPORT-NEXT:     Size: 0
 267 // DONT_EXPORT-NEXT:     Binding: Local (0x0)
 268 // DONT_EXPORT-NEXT:     Type: None (0x0)
 269 // DONT_EXPORT-NEXT:     Other: 0
 270 // DONT_EXPORT-NEXT:     Section: Undefined (0x0)
 271 // DONT_EXPORT-NEXT:   }
 272 // DONT_EXPORT-NEXT:   Symbol {
 273 // DONT_EXPORT-NEXT:     Name: bar
 274 // DONT_EXPORT-NEXT:     Value: 0x0
 275 // DONT_EXPORT-NEXT:     Size: 0
 276 // DONT_EXPORT-NEXT:     Binding: Global
 277 // DONT_EXPORT-NEXT:     Type: Function
 278 // DONT_EXPORT-NEXT:     Other: 0
 279 // DONT_EXPORT-NEXT:     Section: Undefined
 280 // DONT_EXPORT-NEXT:   }
 281 // DONT_EXPORT-NEXT:   Symbol {
 282 // DONT_EXPORT-NEXT:     Name: zed
 283 // DONT_EXPORT-NEXT:     Value: 0x0
 284 // DONT_EXPORT-NEXT:     Size: 0
 285 // DONT_EXPORT-NEXT:     Binding: Global
 286 // DONT_EXPORT-NEXT:     Type: None
 287 // DONT_EXPORT-NEXT:     Other: 0
 288 // DONT_EXPORT-NEXT:     Section: Undefined
 289 // DONT_EXPORT-NEXT:   }
 290 // DONT_EXPORT-NEXT: ]
 291
 292 // CHECK:      HashTable {
 293 // CHECK-NEXT:   Num Buckets: 4
 294 // CHECK-NEXT:   Num Chains: 4
 295 // CHECK-NEXT:   Buckets: [3, 0, 2, 0]
 296 // CHECK-NEXT:   Chains: [0, 0, 0, 1]
 297 // CHECK-NEXT: }
 298
 299 .global _start
 300 _start:
 301 .long bar@GOT
 302 .long zed@GOT