lld/test/ELF/as-needed.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: llvm-mc -filetype=obj -triple=i686-unknown-linux %p/Inputs/shared2.s -o %t3.o
   5 // RUN: llvm-mc -filetype=obj -triple=i686-unknown-linux %p/Inputs/shared3.s -o %t4.o
   6 // RUN: ld.lld -shared %t2.o -soname shared1 -o %t2.so
   7 // RUN: ld.lld -shared %t3.o -soname shared2 -o %t3.so
   8 // RUN: ld.lld -shared %t4.o -soname shared3 -o %t4.so
   9
  10 /// Check if --as-needed actually works.
  11
  12 // RUN: ld.lld %t.o %t2.so %t3.so %t4.so -o %t2
  13 // RUN: llvm-readobj --dynamic-table %t2 | FileCheck %s
  14
  15 // RUN: ld.lld --as-needed %t.o %t2.so %t3.so %t4.so -o %t2
  16 // RUN: llvm-readobj --dynamic-table %t2 | FileCheck -check-prefix=CHECK2 %s
  17
  18 // Test with the .o last
  19 // RUN: ld.lld --as-needed %t2.so %t3.so %t4.so %t.o -o %t2
  20 // RUN: llvm-readobj --dynamic-table %t2 | FileCheck -check-prefix=CHECK2 %s
  21
  22 // RUN: ld.lld --as-needed %t.o %t2.so --no-as-needed %t3.so %t4.so -o %t2
  23 // RUN: llvm-readobj --dynamic-table %t2 | FileCheck %s
  24
  25 /// GROUP command is the same as listing the files on the command line.
  26
  27 // RUN: echo "GROUP(\"%t2.so\" \"%t3.so\" \"%t4.so\")" > %t.script
  28 // RUN: ld.lld %t.o %t.script -o %t2
  29 // RUN: llvm-readobj --dynamic-table %t2 | FileCheck %s
  30
  31 // RUN: echo "GROUP(AS_NEEDED(\"%t2.so\" \"%t3.so\" \"%t4.so\"))" > %t.script
  32 // RUN: ld.lld %t.o %t.script -o %t2
  33 // RUN: llvm-readobj --dynamic-table %t2 | FileCheck -check-prefix=CHECK2 %s
  34
  35 // CHECK: NEEDED Shared library: [shared1]
  36 // CHECK: NEEDED Shared library: [shared2]
  37 // CHECK: NEEDED Shared library: [shared3]
  38
  39 // CHECK2:     NEEDED Shared library: [shared1]
  40 // CHECK2-NOT: NEEDED Shared library: [shared2]
  41 // CHECK2-NOT: NEEDED Shared library: [shared3]
  42
  43 .global _start
  44 _start:
  45 .data
  46 .long bar
  47 .long zed
  48 .weak baz
  49   call baz