| # REQUIRES: x86 |
| # RUN: rm -rf %t; split-file %s %t |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/test.s -o %t/test.o |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/weakfoo.s -o %t/weakfoo.o |
| # RUN: not %lld -lSystem %t/test.o %t/weakfoo.o -o /dev/null 2>&1 | FileCheck %s |
| |
| # CHECK: error: duplicate symbol: _weakfoo |
| # CHECK-NEXT: >>> defined in {{.*}}/test.o |
| # CHECK-NEXT: >>> defined in {{.*}}/weakfoo.o |
| |
| ## Duplicate absolute symbols that will be dead stripped later should not fail. |
| # RUN: %lld -lSystem -dead_strip --dead-strip-duplicates -map %t/stripped-duplicate-map \ |
| # RUN: %t/test.o %t/weakfoo.o -o %t/test |
| # RUN: llvm-objdump --syms %t/test | FileCheck %s --check-prefix=DUP |
| # DUP-LABEL: SYMBOL TABLE: |
| # DUP-NEXT: g F __TEXT,__text _main |
| # DUP-NEXT: g F __TEXT,__text __mh_execute_header |
| # DUP-NEXT: *UND* dyld_stub_binder |
| |
| ## Dead stripped non-section symbols don't show up in map files because there's no input section. |
| ## Check that _weakfoo doesn't show up. This matches ld64. |
| # RUN: FileCheck --check-prefix=DUPMAP %s < %t/stripped-duplicate-map |
| # DUPMAP: _main |
| # DUPMAP-LABEL: Dead Stripped Symbols |
| # DUPMAP-NOT: _weakfoo |
| |
| #--- weakfoo.s |
| .globl _weakfoo |
| ## The weak attribute is ignored for absolute symbols, so we will have a |
| ## duplicate symbol error for _weakfoo. |
| .weak_definition _weakfoo |
| _weakfoo = 0x1234 |
| |
| #--- test.s |
| .globl _main, _weakfoo |
| .weak_definition _weakfoo |
| _weakfoo = 0x5678 |
| |
| .text |
| _main: |
| ret |