as-needed-weak.s
746 Bytes
# REQUIRES: x86
# RUN: echo '.globl foo; .type foo, @function; foo:' | \
# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux - -o %t1.o
# RUN: ld.lld -shared -o %t1.so -soname libfoo %t1.o
# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t2.o
# RUN: ld.lld -o %t.exe %t2.o --as-needed %t1.so
# RUN: llvm-readelf -dynamic-table -dyn-symbols %t.exe | FileCheck %s
# CHECK-NOT: libfoo
# CHECK: Symbol table '.dynsym' contains 2 entries:
# CHECK-NEXT: Num: Value Size Type Bind Vis Ndx Name
# CHECK-NEXT: 0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND
# CHECK-NEXT: 1: 0000000000000000 0 FUNC WEAK DEFAULT UND foo
.globl _start
.weak foo
_start:
mov $foo, %eax
callq foo