| # REQUIRES: x86 |
| |
| # RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o |
| # RUN: echo '.globl bar; bar: call __real_foo' | llvm-mc -filetype=obj -triple=x86_64 - -o %t1.o |
| # RUN: ld.lld -shared -soname=t.so %t1.o -o %t.so |
| |
| ## --no-allow-shlib-undefined errors because __real_foo is not defined. |
| # RUN: not ld.lld %t.o %t.so -o /dev/null 2>&1 | FileCheck --check-prefix=ERR %s |
| # ERR: {{.*}}.so: undefined reference to __real_foo [--no-allow-shlib-undefined] |
| |
| ## --wrap=foo defines __real_foo. |
| # RUN: ld.lld %t.o %t.so --wrap=foo -o %t |
| # RUN: llvm-readelf --dyn-syms %t | FileCheck %s |
| |
| ## FIXME GNU ld does not export __wrap_foo |
| ## The reference __real_foo from %t.so causes foo to be exported. |
| # CHECK: Symbol table '.dynsym' contains 4 entries: |
| # CHECK: NOTYPE LOCAL DEFAULT UND |
| # CHECK-NEXT: NOTYPE GLOBAL DEFAULT UND bar |
| # CHECK-NEXT: NOTYPE GLOBAL DEFAULT UND __wrap_foo |
| # CHECK-NEXT: NOTYPE GLOBAL DEFAULT 6 foo |
| |
| .globl _start, foo |
| _start: |
| call bar |
| foo: |
