lld/test/ELF/relative-dynamic-reloc.s

   1 // REQUIRES: x86
   2 // RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o
   3 // RUN: ld.lld -shared %t.o -o %t.so
   4 // RUN: llvm-readobj --symbols -r --dyn-syms %t.so | FileCheck %s
   5
   6 // Test that we create R_X86_64_RELATIVE relocations but don't put any
   7 // symbols in the dynamic symbol table.
   8
   9 // CHECK:      Relocations [
  10 // CHECK-NEXT:   Section ({{.*}}) .rela.dyn {
  11 // CHECK-NEXT:     0x[[FOO_ADDR:.*]] R_X86_64_RELATIVE - 0x[[FOO_ADDR]]
  12 // CHECK-NEXT:     0x[[#%X,BAR_ADDR:]] R_X86_64_RELATIVE
  13 // CHECK-SAME:       - 0x[[#BAR_ADDR]]
  14 // CHECK-NEXT:     0x[[#BAR_ADDR +  8]] R_X86_64_RELATIVE - 0x[[#BAR_ADDR + 1]]
  15 // CHECK-NEXT:     0x[[#BAR_ADDR + 16]] R_X86_64_RELATIVE - 0x[[ZED_ADDR:.*]]
  16 // CHECK-NEXT:     0x[[#BAR_ADDR + 24]] R_X86_64_RELATIVE - 0x[[FOO_ADDR]]
  17 // CHECK-NEXT:     0x[[#BAR_ADDR + 32]] R_X86_64_64 external 0x0
  18 // CHECK-NEXT:   }
  19 // CHECK-NEXT: ]
  20
  21 // CHECK:      Symbols [
  22 // CHECK:        Name: foo
  23 // CHECK-NEXT:   Value: 0x[[FOO_ADDR]]
  24 // CHECK:        Name: bar
  25 // CHECK-NEXT:   Value: 0x[[#BAR_ADDR]]
  26 // CHECK:        Name: zed
  27 // CHECK-NEXT:   Value: 0x[[ZED_ADDR]]
  28 // CHECK:      ]
  29
  30 // CHECK:      DynamicSymbols [
  31 // CHECK-NEXT:   Symbol {
  32 // CHECK-NEXT:     Name:
  33 // CHECK-NEXT:     Value: 0x0
  34 // CHECK-NEXT:     Size: 0
  35 // CHECK-NEXT:     Binding: Local
  36 // CHECK-NEXT:     Type: None
  37 // CHECK-NEXT:     Other: 0
  38 // CHECK-NEXT:     Section: Undefined
  39 // CHECK-NEXT:   }
  40 // CHECK-NEXT:   Symbol {
  41 // CHECK-NEXT:     Name: external
  42 // CHECK-NEXT:     Value: 0x0
  43 // CHECK-NEXT:     Size: 0
  44 // CHECK-NEXT:     Binding: Global
  45 // CHECK-NEXT:     Type: None
  46 // CHECK-NEXT:     Other: 0
  47 // CHECK-NEXT:     Section: Undefined
  48 // CHECK-NEXT:   }
  49 // CHECK-NEXT: ]
  50
  51         .data
  52 foo:
  53         .quad foo
  54
  55         .hidden bar
  56         .global bar
  57 bar:
  58         .quad bar
  59         .quad bar + 1
  60
  61         .hidden zed
  62         .comm zed,1
  63         .quad zed
  64
  65         .section abc,"aw"
  66         .quad foo
  67
  68         .quad external
  69
  70 // This doesn't need a relocation.
  71         callq localfunc@PLT
  72 localfunc: