| # REQUIRES: x86 |
| # RUN: rm -rf %t; split-file %s %t |
| |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-macos -o %t/foo.o %t/foo.s |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-macos -o %t/main.o %t/main.s |
| |
| # RUN: %lld -alias _foo _bar -u _bar -exported_symbol _bar %t/main.o %t/foo.o -o %t/bar.o |
| # RUN: llvm-nm %t/bar.o | FileCheck %s --check-prefix=BAR |
| |
| # BAR: [[#%x,FOO_ADDR:]] T _bar |
| # BAR: [[#FOO_ADDR]] t _foo |
| |
| # RUN: not %lld -alias _missing _bar -alias _missing2 _baz %t/main.o -o %t/missing.o %s 2>&1 | FileCheck %s --check-prefix=MISSING |
| |
| # MISSING-DAG: undefined base symbol '_missing' for alias '_bar' |
| # MISSING-DAG: undefined base symbol '_missing2' for alias '_baz' |
| |
| # RUN: %lld -alias _foo _main %t/foo.o -o %t/main_rename.o |
| # RUN: llvm-nm %t/main_rename.o | FileCheck %s --check-prefix=MAIN |
| |
| # MAIN: [[#%x,FOO_ADDR:]] T _foo |
| # MAIN: [[#FOO_ADDR]] T _main |
| |
| ## Verify dead stripping doesn't remove the aliased symbol. This behavior differs |
| ## from ld64 where it actually does dead strip only the alias, not the original symbol. |
| # RUN: %lld -dead_strip -alias _foo _bar -alias _main _fake_main %t/main.o %t/foo.o -o %t/multiple.o |
| # RUN: llvm-nm %t/multiple.o | FileCheck %s --check-prefix=MULTIPLE |
| |
| # MULTIPLE: [[#%x,FOO_ADDR:]] T _bar |
| # MULTIPLE: [[#%x,MAIN_ADDR:]] T _fake_main |
| # MULTIPLE: [[#FOO_ADDR]] T _foo |
| # MULTIPLE: [[#MAIN_ADDR]] T _main |
| |
| #--- foo.s |
| .subsections_via_symbols |
| .globl _foo |
| _foo: |
| ret |
| |
| #--- main.s |
| .subsections_via_symbols |
| .globl _main |
| _main: |
| ret |