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

   1 # REQUIRES: x86
   2 ## Test how .symver interacts with --version-script.
   3 # RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
   4 # RUN: echo 'call foo3; call foo4' > %tref.s
   5 # RUN: llvm-mc -filetype=obj -triple=x86_64 %tref.s -o %tref.o
   6
   7 # RUN: echo 'v1 { local: foo1; }; v2 { local: foo2; };' > %t1.script
   8 # RUN: ld.lld --version-script %t1.script -shared %t.o -o %t1.so
   9 # RUN: llvm-readelf --dyn-syms %t1.so | FileCheck --check-prefix=EXACT %s
  10 # EXACT:      UND
  11 # EXACT-NEXT: [[#]] foo4@@v2
  12 # EXACT-NEXT: [[#]] _start{{$}}
  13 # EXACT-NEXT: [[#]] foo3@v1
  14 # EXACT-NOT:  {{.}}
  15
  16 # RUN: echo 'v1 { local: foo*; }; v2 {};' > %t2.script
  17 # RUN: ld.lld --version-script %t2.script -shared %t.o -o %t2.so
  18 # RUN: llvm-readelf --dyn-syms %t2.so | FileCheck --check-prefix=WC %s
  19 # WC:      UND
  20 # WC-NEXT: [[#]] foo4@@v2
  21 # WC-NEXT: [[#]] _start{{$}}
  22 # WC-NOT:  {{.}}
  23
  24 # RUN: echo 'v1 { global: *; local: foo*; }; v2 {};' > %t3.script
  25 # RUN: ld.lld --version-script %t3.script -shared %t.o -o %t3.so
  26 # RUN: llvm-readelf --dyn-syms %t3.so | FileCheck --check-prefix=MIX1 %s
  27 # MIX1:      UND
  28 # MIX1-NEXT: [[#]] foo4@@v2
  29 # MIX1-NEXT: [[#]] _start@@v1
  30 # MIX1-NOT:  {{.}}
  31
  32 # RUN: echo 'v1 { global: foo*; local: *; }; v2 { global: foo4; local: *; };' > %t4.script
  33 # RUN: ld.lld --version-script %t4.script -shared %t.o -o %t4.so
  34 # RUN: llvm-readelf --dyn-syms %t4.so | FileCheck --check-prefix=MIX2 %s
  35 # MIX2:      UND
  36 # MIX2-NEXT: [[#]] foo1@@v1
  37 # MIX2-NEXT: [[#]] foo2@@v1
  38 # MIX2-NEXT: [[#]] foo4@@v2
  39 # MIX2-NEXT: [[#]] foo3@v1
  40 # MIX2-NOT:  {{.}}
  41
  42 # RUN: ld.lld --version-script %t4.script -shared %t.o %tref.o -o %t5.so
  43 # RUN: llvm-readelf -r %t5.so | FileCheck --check-prefix=RELOC %s
  44
  45 # RELOC: R_X86_64_JUMP_SLOT {{.*}} foo4@@v2 + 0
  46 # RELOC: R_X86_64_JUMP_SLOT {{.*}} foo3@v1 + 0
  47
  48 .globl foo1; foo1: ret
  49 .globl foo2; foo2: ret
  50 .globl foo3; .symver foo3,foo3@v1; foo3: ret
  51 .globl foo4; .symver foo4,foo4@@v2; foo4: ret
  52
  53 .globl _start; _start: ret