lld/test/wasm/libsearch.s

   1 // Based on lld/test/ELF/libsearch.s
   2
   3 // RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %s -o %t.o
   4 // RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown \
   5 // RUN:   %p/Inputs/libsearch-dyn.s -o %tdyn.o
   6 // RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown \
   7 // RUN:   %p/Inputs/libsearch-st.s -o %tst.o
   8 // RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown \
   9 // RUN:   %p/Inputs/use-bar.s -o %tbar.o
  10 // RUN: mkdir -p %t.dir
  11 // RUN: wasm-ld -shared --experimental-pic %tdyn.o -o %t.dir/libls.so
  12 // RUN: cp -f %t.dir/libls.so %t.dir/libls2.so
  13 // RUN: rm -f %t.dir/libls.a
  14 // RUN: llvm-ar rcs %t.dir/libls.a %tst.o
  15
  16 // Should fail if no library specified
  17 // RUN: not wasm-ld -l 2>&1 \
  18 // RUN:   | FileCheck --check-prefix=NOLIBRARY %s
  19 // NOLIBRARY: -l: missing argument
  20
  21 // Should link normally, because _bar is not used
  22 // RUN: wasm-ld -o %t3 %t.o
  23 // Should not link because of undefined symbol _bar
  24 // RUN: not wasm-ld --no-gc-sections -o /dev/null %t.o %tbar.o 2>&1 \
  25 // RUN:   | FileCheck --check-prefix=UNDEFINED %s
  26 // UNDEFINED: wasm-ld: error: {{.*}}: undefined symbol: _bar
  27
  28 // Should fail if cannot find specified library (without -L switch)
  29 // RUN: not wasm-ld -o /dev/null %t.o -lls 2>&1 \
  30 // RUN:   | FileCheck --check-prefix=NOLIB %s
  31 // NOLIB: unable to find library -lls
  32
  33 // Should use explicitly specified static library
  34 // Also ensure that we accept -L <arg>
  35 // RUN: wasm-ld --emit-relocs --no-gc-sections -o %t3 %t.o -L %t.dir -l:libls.a
  36 // RUN: llvm-readobj --symbols %t3 | FileCheck --check-prefix=STATIC %s
  37 // STATIC: Symbols [
  38 // STATIC: Name: _static
  39
  40 // Should use explicitly specified dynamic library
  41 // RUN: wasm-ld -pie --experimental-pic --emit-relocs --no-gc-sections -o %t3 %t.o -L%t.dir -l:libls.so
  42 // RUN: llvm-readobj --symbols %t3 | FileCheck --check-prefix=DYNAMIC %s
  43 // DYNAMIC: Symbols [
  44 // DYNAMIC-NOT: Name: _static
  45
  46 // Should prefer static to dynamic when linking regular executable.
  47 // RUN: wasm-ld --emit-relocs --no-gc-sections -o %t3 %t.o -L%t.dir -lls
  48 // RUN: llvm-readobj --symbols %t3 | FileCheck --check-prefix=STATIC %s
  49
  50 // Should prefer dynamic when linking PIE.
  51 // RUN: wasm-ld -pie --experimental-pic --emit-relocs --no-gc-sections -o %t3 %t.o -L%t.dir -lls
  52 // RUN: llvm-readobj --symbols %t3 | FileCheck --check-prefix=DYNAMIC %s
  53
  54 // Check for library search order
  55 // RUN: mkdir -p %t.dir2
  56 // RUN: cp %t.dir/libls.a %t.dir2
  57 // RUN: wasm-ld -pie --experimental-pic --emit-relocs --no-gc-sections -o %t3 %t.o -L%t.dir2 -L%t.dir -lls
  58 // RUN: llvm-readobj --symbols %t3 | FileCheck --check-prefix=STATIC %s
  59
  60 // -L can be placed after -l
  61 // RUN: wasm-ld -o %t3 %t.o -lls -L%t.dir
  62
  63 // Check long forms as well
  64 // RUN: wasm-ld --emit-relocs --no-gc-sections -o %t3 %t.o --library-path=%t.dir --library=ls
  65 // RUN: wasm-ld --emit-relocs --no-gc-sections -o %t3 %t.o --library-path %t.dir --library ls
  66
  67 // Should not search for dynamic libraries if -Bstatic is specified
  68 // RUN: wasm-ld -pie --experimental-pic --emit-relocs --no-gc-sections -o %t3 %t.o -L%t.dir -Bstatic -lls
  69 // RUN: llvm-readobj --symbols %t3 | FileCheck --check-prefix=STATIC %s
  70 // RUN: not wasm-ld -pie --experimental-pic --emit-relocs --no-gc-sections -o /dev/null %t.o -L%t.dir -Bstatic -lls2 2>&1 \
  71 // RUN:   | FileCheck --check-prefix=NOLIB2 %s
  72 // NOLIB2: unable to find library -lls2
  73
  74 // -Bdynamic should restore default behaviour
  75 // RUN: wasm-ld -pie --experimental-pic --emit-relocs --no-gc-sections -o %t3 %t.o -L%t.dir -Bstatic -Bdynamic -lls
  76 // RUN: llvm-readobj --symbols %t3 | FileCheck --check-prefix=DYNAMIC %s
  77
  78 // -Bstatic and -Bdynamic should affect only libraries which follow them
  79 // RUN: wasm-ld -pie --experimental-pic --emit-relocs --no-gc-sections -o %t3 %t.o -L%t.dir -lls -Bstatic -Bdynamic
  80 // RUN: llvm-readobj --symbols %t3 | FileCheck --check-prefix=DYNAMIC %s
  81 // RUN: wasm-ld -pie --experimental-pic --emit-relocs --no-gc-sections -o %t3 %t.o -L%t.dir -Bstatic -lls -Bdynamic
  82 // RUN: llvm-readobj --symbols %t3 | FileCheck --check-prefix=STATIC %s
  83
  84 // Check aliases as well
  85 // RUN: wasm-ld -pie --experimental-pic --emit-relocs --no-gc-sections -o %t3 %t.o -L%t.dir -dn -lls
  86 // RUN: llvm-readobj --symbols %t3 | FileCheck --check-prefix=STATIC %s
  87 // RUN: wasm-ld -pie --experimental-pic --emit-relocs --no-gc-sections -o %t3 %t.o -L%t.dir -non_shared -lls
  88 // RUN: llvm-readobj --symbols %t3 | FileCheck --check-prefix=STATIC %s
  89 // RUN: wasm-ld -pie --experimental-pic --emit-relocs --no-gc-sections -o %t3 %t.o -L%t.dir -static -lls
  90 // RUN: llvm-readobj --symbols %t3 | FileCheck --check-prefix=STATIC %s
  91 // RUN: wasm-ld -pie --experimental-pic --emit-relocs --no-gc-sections -o %t3 %t.o -L%t.dir -Bstatic -dy -lls
  92 // RUN: llvm-readobj --symbols %t3 | FileCheck --check-prefix=DYNAMIC %s
  93 // RUN: wasm-ld -pie --experimental-pic --emit-relocs --no-gc-sections -o %t3 %t.o -L%t.dir -Bstatic -call_shared -lls
  94 // RUN: llvm-readobj --symbols %t3 | FileCheck --check-prefix=DYNAMIC %s
  95
  96 .globl _start, _bar
  97 _start:
  98   .functype _start () -> ()
  99   end_function