lld/test/ELF/linkerscript/version-script.s

   1 # REQUIRES: x86
   2 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o
   3
   4 # RUN: echo "bar = foo; VERSION { V { global: foo; bar; local: *; }; }" > %t.script
   5 # RUN: ld.lld -T %t.script -shared --no-undefined-version %t.o -o %t.so
   6 # RUN: llvm-readobj -V %t.so | FileCheck %s
   7
   8 # RUN: echo "SECTIONS { .text : { bar = foo; *(.text) } }" > %t.script
   9 # RUN: echo "VERSION { V { global: foo; bar; local: *; }; }" >> %t.script
  10 # RUN: ld.lld -T %t.script -shared --no-undefined-version %t.o -o %t.so
  11 # RUN: llvm-readobj -V %t.so | FileCheck %s
  12
  13 ## Check that we are able to version symbols defined in script.
  14 # CHECK:      VersionSymbols [
  15 # CHECK-NEXT:   Symbol {
  16 # CHECK-NEXT:     Version: 0
  17 # CHECK-NEXT:     Name:
  18 # CHECK-NEXT:   }
  19 # CHECK-NEXT:   Symbol {
  20 # CHECK-NEXT:     Version: 1
  21 # CHECK-NEXT:     Name: und
  22 # CHECK-NEXT:   }
  23 # CHECK-NEXT:   Symbol {
  24 # CHECK-NEXT:     Version: 2
  25 # CHECK-NEXT:     Name: foo@@V
  26 # CHECK-NEXT:   }
  27 # CHECK-NEXT:   Symbol {
  28 # CHECK-NEXT:     Version: 2
  29 # CHECK-NEXT:     Name: bar@@V
  30 # CHECK-NEXT:   }
  31 # CHECK-NEXT: ]
  32
  33 # RUN: echo "bar = und; VERSION { V { global: foo; bar; local: *; }; }" > %t.script
  34 # RUN: not ld.lld -T %t.script -shared --no-undefined-version %t.o -o /dev/null \
  35 # RUN:   2>&1 | FileCheck --check-prefix=ERR %s
  36 # ERR: symbol not found: und
  37
  38 # RUN: echo "und = 0x1; VERSION { V { global: und; local: *; }; }" > %t.script
  39 # RUN: ld.lld -T %t.script -shared --no-undefined-version %t.o -o %t.so
  40 # RUN: llvm-readobj -V %t.so | FileCheck %s --check-prefix=UNDEF
  41 # UNDEF:      VersionSymbols [
  42 # UNDEF-NEXT:   Symbol {
  43 # UNDEF-NEXT:     Version: 0
  44 # UNDEF-NEXT:     Name:
  45 # UNDEF-NEXT:   }
  46 # UNDEF-NEXT:   Symbol {
  47 # UNDEF-NEXT:     Version: 2
  48 # UNDEF-NEXT:     Name: und@@V
  49 # UNDEF-NEXT:   }
  50 # UNDEF-NEXT: ]
  51
  52 .global und
  53
  54 .text
  55 .globl foo
  56 .type foo,@function
  57 foo: