forked from OSchip/llvm-project
79 lines
2.5 KiB
ArmAsm
79 lines
2.5 KiB
ArmAsm
# REQUIRES: x86
|
|
# RUN: rm -rf %t; split-file %s %t
|
|
# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/libfoo.s -o %t/libfoo.o
|
|
# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/nonweakdef.s -o %t/nonweakdef.o
|
|
# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/weakdef.s -o %t/weakdef.o
|
|
# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/common.s -o %t/common.o
|
|
# RUN: %lld -dylib %t/libfoo.o -o %t/libfoo.dylib
|
|
|
|
## Check that non-weak defined symbols override weak dylib symbols.
|
|
# RUN: %lld %t/nonweakdef.o -L%t -lfoo -o %t/nonweakdef -lSystem
|
|
# RUN: llvm-objdump --macho --weak-bind %t/nonweakdef | FileCheck %s
|
|
|
|
## Test loading the dylib before the obj file.
|
|
# RUN: %lld -L%t -lfoo %t/nonweakdef.o -o %t/nonweakdef -lSystem
|
|
# RUN: llvm-objdump --macho --weak-bind %t/nonweakdef | FileCheck %s
|
|
|
|
# CHECK: Weak bind table:
|
|
# CHECK-NEXT: segment section address type addend symbol
|
|
# CHECK-NEXT: strong _weak_in_dylib
|
|
# CHECK-EMPTY:
|
|
|
|
## Check that weak defined symbols do not override weak dylib symbols.
|
|
# RUN: %lld %t/weakdef.o -L%t -lfoo -o %t/weakdef -lSystem
|
|
# RUN: llvm-objdump --macho --weak-bind %t/weakdef | FileCheck %s --check-prefix=NO-WEAK-OVERRIDE
|
|
|
|
## Test loading the dylib before the obj file.
|
|
# RUN: %lld -L%t -lfoo %t/weakdef.o -o %t/weakdef -lSystem
|
|
# RUN: llvm-objdump --macho --weak-bind %t/weakdef | FileCheck %s --check-prefix=NO-WEAK-OVERRIDE
|
|
|
|
# NO-WEAK-OVERRIDE: Weak bind table:
|
|
# NO-WEAK-OVERRIDE-NEXT: segment section address type addend symbol
|
|
# NO-WEAK-OVERRIDE-EMPTY:
|
|
|
|
## Check that common symbols take precedence over weak dylib symbols, but do not
|
|
## generate an overridding weak binding.
|
|
# RUN: %lld -L%t -lfoo %t/common.o -o %t/common -lSystem
|
|
# RUN: llvm-objdump --macho --weak-bind %t/common | FileCheck %s --check-prefix=NO-WEAK-OVERRIDE
|
|
# RUN: llvm-objdump --syms %t/common | FileCheck %s --check-prefix=COMMON
|
|
# COMMON-DAG: g O __DATA,__common _nonweak_in_dylib
|
|
# COMMON-DAG: g O __DATA,__common _weak_in_dylib
|
|
|
|
#--- libfoo.s
|
|
|
|
.globl _weak_in_dylib, _nonweak_in_dylib
|
|
.weak_definition _weak_in_dylib
|
|
|
|
_weak_in_dylib:
|
|
_nonweak_in_dylib:
|
|
|
|
#--- nonweakdef.s
|
|
|
|
.globl _main, _weak_in_dylib, _nonweak_in_dylib
|
|
|
|
_weak_in_dylib:
|
|
_nonweak_in_dylib:
|
|
|
|
_main:
|
|
ret
|
|
|
|
#--- weakdef.s
|
|
|
|
.globl _main, _weak_in_dylib, _nonweak_in_dylib
|
|
.weak_definition _weak_in_dylib, _nonweak_in_dylib
|
|
|
|
_weak_in_dylib:
|
|
_nonweak_in_dylib:
|
|
|
|
_main:
|
|
ret
|
|
|
|
#--- common.s
|
|
|
|
.globl _main
|
|
.comm _weak_in_dylib, 1
|
|
.comm _nonweak_in_dylib, 1
|
|
|
|
_main:
|
|
ret
|