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

   1 # REQUIRES: x86
   2
   3 # RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
   4
   5 # RUN: echo 'v1 { local: extern "C++" { "foo1()"; "foo3(int)"; }; }; v2 { local: extern "C++" { "foo2()"; "foo4(int)"; }; };' > %t1.script
   6 # RUN: ld.lld --version-script %t1.script -shared %t.o -o %t1.so
   7 # RUN: llvm-readelf --dyn-syms %t1.so | FileCheck --check-prefix=EXACT %s
   8 # EXACT:      UND
   9 # EXACT-NEXT: [[#]] _start{{$}}
  10 # EXACT-NOT:  {{.}}
  11
  12 # RUN: echo 'v1 { global: *; local: extern "C++" {foo*;}; }; v2 { global: extern "C++" {"foo2()";}; };' > %t2.script
  13 # RUN: ld.lld --version-script %t2.script -shared %t.o -o %t2.so
  14 # RUN: llvm-readelf --dyn-syms %t2.so | FileCheck --check-prefix=MIX1 %s
  15 # MIX1:      UND
  16 # MIX1-NEXT: [[#]] _Z4foo2v@@v2
  17 # MIX1-NEXT: [[#]] _start@@v1
  18 # MIX1-NEXT: [[#]] _Z4foo4i@@v2
  19 # MIX1-NOT:  {{.}}
  20
  21 # RUN: echo 'v1 { local: extern "C++" {foo*;}; }; v2 { global: extern "C++" {"foo2()";}; };' > %t3.script
  22 # RUN: ld.lld --version-script %t3.script -shared %t.o -o %t3.so
  23 # RUN: llvm-readelf --dyn-syms %t3.so | FileCheck --check-prefix=MIX2 %s
  24 # MIX2:      UND
  25 # MIX2-NEXT: [[#]] _Z4foo2v@@v2
  26 # MIX2-NEXT: [[#]] _start{{$}}
  27 # MIX2-NEXT: [[#]] _Z4foo4i@@v2
  28 # MIX2-NOT:  {{.}}
  29
  30 # RUN: echo 'v1 { global: extern "C++" {foo*;}; local: *; }; v2 { global: extern "C++" {"foo4(int)";}; local: *; };' > %t4.script
  31 # RUN: ld.lld --version-script %t4.script -shared %t.o -o %t4.so
  32 # RUN: llvm-readelf --dyn-syms %t4.so | FileCheck --check-prefix=MIX3 %s
  33 # MIX3:      UND
  34 # MIX3-NEXT: [[#]] _Z4foo1v@@v1
  35 # MIX3-NEXT: [[#]] _Z4foo2v@@v1
  36 # MIX3-NEXT: [[#]] _Z4foo3i@v1
  37 # MIX3-NEXT: [[#]] _Z4foo4i@@v2
  38 # MIX3-NOT:  {{.}}
  39
  40 .globl _Z4foo1v; _Z4foo1v: ret
  41 .globl _Z4foo2v; _Z4foo2v: ret
  42 .globl _Z4foo3i; .symver _Z4foo3i,_Z4foo3i@v1,remove; _Z4foo3i: ret
  43 .globl _Z4foo4i; .symver _Z4foo4i,_Z4foo4i@@@v2; _Z4foo4i: ret
  44
  45 .globl _start; _start: ret