xref: /llvm-project/lld/test/MachO/weak-definition-order.s (revision a1a2a8e8acef1061215d1baa442755b472cc1448)
1# REQUIRES: x86
2# RUN: rm -rf %t; split-file %s %t
3
4## This test demonstrates that when we have two weak symbols of the same type,
5## we pick the one whose containing file appears earlier in the command-line
6## invocation.
7
8# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/test.s -o %t/test.o
9# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/weak1.s -o %t/weak1.o
10# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/weak2.s -o %t/weak2.o
11
12# RUN: %lld -lSystem -o %t/obj12 %t/weak1.o %t/weak2.o %t/test.o
13# RUN: llvm-objdump --syms %t/obj12 | FileCheck %s --check-prefix=WEAK1
14# RUN: %lld -lSystem -o %t/obj21 %t/weak2.o %t/weak1.o %t/test.o
15# RUN: llvm-objdump --syms %t/obj21 | FileCheck %s --check-prefix=WEAK2
16
17# WEAK1: O __TEXT,weak1 _foo
18# WEAK2: O __TEXT,weak2 _foo
19
20# RUN: %lld -dylib -install_name \
21# RUN:   @executable_path/libweak1.dylib %t/weak1.o -o %t/libweak1.dylib
22# RUN: %lld -dylib -install_name \
23# RUN:   @executable_path/libweak2.dylib %t/weak2.o -o %t/libweak2.dylib
24
25# RUN: %lld -lSystem -o %t/dylib12 -L%t -lweak1 -lweak2 %t/test.o
26# RUN: llvm-objdump --macho --bind %t/dylib12 | FileCheck %s --check-prefix=DYLIB1
27# RUN: %lld -lSystem -o %t/dylib21 -L%t -lweak2 -lweak1 %t/test.o
28# RUN: llvm-objdump --macho --bind %t/dylib21 | FileCheck %s --check-prefix=DYLIB2
29# DYLIB1: __DATA   __la_symbol_ptr    0x{{[0-9a-f]*}} pointer 0 libweak1         _foo
30# DYLIB2: __DATA   __la_symbol_ptr    0x{{[0-9a-f]*}} pointer 0 libweak2         _foo
31
32#--- weak1.s
33.globl _foo
34.weak_definition _foo
35.section __TEXT,weak1;
36_foo:
37
38#--- weak2.s
39.globl _foo
40.weak_definition _foo
41.section __TEXT,weak2
42_foo:
43
44#--- test.s
45.globl _main
46_main:
47  callq _foo
48  ret
49