[ELF,test] Improve weak-undef-got-plt.s

Author: MaskRay

lld/test/ELF/weak-undef-got-pie.s

@@ -0,0 +1,34 @@
+# REQUIRES: x86
+# RUN: rm -rf %t && split-file %s %t && cd %t
+# RUN: llvm-mc -filetype=obj -triple=x86_64 -x86-relax-relocations=false a.s -o a.o
+# RUN: llvm-mc -filetype=obj -triple=x86_64 %S/Inputs/shared.s -o s.o
+# RUN: ld.lld -shared s.o -o s.so
+
+# RUN: ld.lld a.o -o a
+# RUN: llvm-readelf -r a | FileCheck %s --check-prefix=NORELOC
+# RUN: ld.lld a.o s.so -o as
+# RUN: llvm-objdump -dR as | FileCheck %s
+
+# RUN: ld.lld -pie a.o s.so -o as.pie
+# RUN: llvm-objdump -dR as.pie | FileCheck %s
+
+# RUN: ld.lld -shared a.o -o a.so
+# RUN: llvm-objdump -dR a.so | FileCheck %s
+
+# NORELOC:    no relocation
+
+# CHECK:      TYPE                     VALUE
+# CHECK-NEXT: R_X86_64_GLOB_DAT        foo{{$}}
+# CHECK-NEXT: R_X86_64_JUMP_SLOT       foo{{$}}
+# CHECK-EMPTY:
+# CHECK:      <_start>:
+# CHECK-NEXT:   movq {{.*}}(%rip), %rax
+# CHECK-NEXT:   callq {{.*}} <foo@plt>
+
+#--- a.s
+.weak foo
+
+.globl _start
+_start:
+mov foo@gotpcrel(%rip), %rax
+call foo