lld/test/ELF/linkerscript/input-relative.s

   1 # REQUIRES: x86
   2 ## For a relative pathname in INPUT() or GROUP(), the parent directory of
   3 ## the current linker script has priority over current working directory and -L.
   4
   5 # RUN: rm -rf %t.dir && mkdir %t.dir && cd %t.dir
   6
   7 # RUN: mkdir dir
   8 # RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o a.o
   9 # RUN: echo '.globl b, cwd; b: cwd:' | llvm-mc -filetype=obj -triple=x86_64 - -o b.o
  10 # RUN: echo '.globl b, dir; b: dir:' | llvm-mc -filetype=obj -triple=x86_64 - -o dir/b.o
  11 # RUN: llvm-ar rc libb.a b.o
  12 # RUN: llvm-ar rc dir/libb.a dir/b.o
  13
  14 ## A relative pathname is relative to the parent directory of the current linker script.
  15 ## The directory has priority over current working directory and -L.
  16 # RUN: echo 'INPUT(libb.a)' > dir/relative.lds
  17 # RUN: ld.lld -L. a.o dir/relative.lds -o - | llvm-nm - | FileCheck --check-prefix=DIR %s
  18 ## GROUP() uses the same search order.
  19 # RUN: echo 'GROUP(libb.a)' > dir/relative1.lds
  20 # RUN: ld.lld -L. a.o dir/relative1.lds -o - | llvm-nm - | FileCheck --check-prefix=DIR %s
  21
  22 # DIR: T dir
  23
  24 ## -l does not use the special rule.
  25 # RUN: echo 'INPUT(-lb)' > dir/cwd.lds
  26 # RUN: ld.lld -L. a.o dir/cwd.lds -o - | llvm-nm - | FileCheck --check-prefix=CWD %s
  27 # RUN: echo 'GROUP(-lb)' > dir/cwd1.lds
  28 # RUN: ld.lld -L. a.o dir/cwd1.lds -o - | llvm-nm - | FileCheck --check-prefix=CWD %s
  29
  30 # CWD: T cwd
  31
  32 ## The rules does not apply to an absolute path.
  33 # RUN: echo 'INPUT(/libb.a)' > dir/absolute.lds
  34 # RUN: not ld.lld a.o dir/absolute.lds -o /dev/null
  35
  36 ## If the parent directory of the current linker script does not contain the file,
  37 ## fall back to the current working directory.
  38 # RUN: cp libb.a libc.a
  39 # RUN: echo 'INPUT(libc.a)' > dir/fallback.lds
  40 # RUN: ld.lld a.o dir/fallback.lds -o /dev/null
  41
  42 .globl _start
  43 _start:
  44   call b