1# REQUIRES: x86 2# RUN: rm -rf %t; split-file %s %t 3 4# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-macos -o %t/foo.o %t/foo.s 5# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-macos -o %t/main.o %t/main.s 6 7# RUN: %lld -alias _foo _bar -u _bar -exported_symbol _bar %t/main.o %t/foo.o -o %t/bar.o 8# RUN: llvm-nm %t/bar.o | FileCheck %s --check-prefix=BAR 9 10# BAR: [[#%x,FOO_ADDR:]] T _bar 11# BAR: [[#FOO_ADDR]] t _foo 12 13# RUN: not %lld -alias _missing _bar -alias _missing2 _baz %t/main.o -o %t/missing.o %s 2>&1 | FileCheck %s --check-prefix=MISSING 14 15# MISSING-DAG: undefined base symbol '_missing' for alias '_bar' 16# MISSING-DAG: undefined base symbol '_missing2' for alias '_baz' 17 18# RUN: %lld -alias _foo _main %t/foo.o -o %t/main_rename.o 19# RUN: llvm-nm %t/main_rename.o | FileCheck %s --check-prefix=MAIN 20 21# MAIN: [[#%x,FOO_ADDR:]] T _foo 22# MAIN: [[#FOO_ADDR]] T _main 23 24## Verify dead stripping doesn't remove the aliased symbol. This behavior differs 25## from ld64 where it actually does dead strip only the alias, not the original symbol. 26# RUN: %lld -dead_strip -alias _foo _bar -alias _main _fake_main %t/main.o %t/foo.o -o %t/multiple.o 27# RUN: llvm-nm %t/multiple.o | FileCheck %s --check-prefix=MULTIPLE 28 29# MULTIPLE: [[#%x,FOO_ADDR:]] T _bar 30# MULTIPLE: [[#%x,MAIN_ADDR:]] T _fake_main 31# MULTIPLE: [[#FOO_ADDR]] T _foo 32# MULTIPLE: [[#MAIN_ADDR]] T _main 33 34#--- foo.s 35.subsections_via_symbols 36.globl _foo 37_foo: 38 ret 39 40#--- main.s 41.subsections_via_symbols 42.globl _main 43_main: 44 ret 45