sub-library.s
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# REQUIRES: x86
# RUN: mkdir -p %t
## Create a libsuper that has libgoodbye as a sub-library, which in turn has
## libhello as another sub-library.
# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %p/Inputs/libhello.s \
# RUN: -o %t/libhello.o
# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %p/Inputs/libgoodbye.s \
# RUN: -o %t/libgoodbye.o
# RUN: echo "" | llvm-mc -filetype=obj -triple=x86_64-apple-darwin -o %t/libsuper.o
# RUN: %lld -dylib %t/libhello.o -o %t/libhello.dylib
# RUN: %lld -dylib -L%t -sub_library libhello -lhello \
# RUN: %t/libgoodbye.o -o %t/libgoodbye.dylib
# RUN: %lld -dylib -L%t -sub_library libgoodbye -lgoodbye -install_name \
# RUN: @executable_path/libsuper.dylib %t/libsuper.o -o %t/libsuper.dylib
## Check that they have the appropriate LC_REEXPORT_DYLIB commands, and that
## NO_REEXPORTED_DYLIBS is (un)set as appropriate.
# RUN: llvm-objdump --macho --all-headers %t/libhello.dylib | FileCheck %s \
# RUN: --check-prefix=HELLO-HEADERS
# HELLO-HEADERS: NO_REEXPORTED_DYLIBS
# RUN: llvm-objdump --macho --all-headers %t/libgoodbye.dylib | FileCheck %s -DDIR=%t \
# RUN: --check-prefix=GOODBYE-HEADERS
# GOODBYE-HEADERS-NOT: NO_REEXPORTED_DYLIBS
# GOODBYE-HEADERS: cmd LC_REEXPORT_DYLIB
# GOODBYE-HEADERS-NOT: Load command
# GOODBYE-HEADERS: name [[DIR]]/libhello.dylib
# RUN: llvm-objdump --macho --all-headers %t/libsuper.dylib | FileCheck %s -DDIR=%t \
# RUN: --check-prefix=SUPER-HEADERS
# SUPER-HEADERS-NOT: NO_REEXPORTED_DYLIBS
# SUPER-HEADERS: cmd LC_REEXPORT_DYLIB
# SUPER-HEADERS-NOT: Load command
# SUPER-HEADERS: name [[DIR]]/libgoodbye.dylib
# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %s -o %t/sub-library.o
# RUN: %lld -o %t/sub-library -L%t -lsuper %t/sub-library.o
# RUN: llvm-objdump --macho --bind %t/sub-library | FileCheck %s
# CHECK-LABEL: Bind table:
# CHECK-DAG: __DATA_CONST __got {{.*}} libsuper _hello_world
# CHECK-DAG: __DATA_CONST __got {{.*}} libsuper _goodbye_world
## Check that we fail gracefully if the sub-library is missing
# RUN: not %lld -dylib -o %t/sub-library -sub_library libmissing %t/sub-library.o 2>&1 \
# RUN: | FileCheck %s --check-prefix=MISSING-SUB-LIBRARY
# MISSING-SUB-LIBRARY: error: -sub_library libmissing does not match a supplied dylib
# RUN: rm -f %t/libgoodbye.dylib
# RUN: not %lld -o %t/sub-library -L%t -lsuper %t/sub-library.o 2>&1 \
# RUN: | FileCheck %s --check-prefix=MISSING-REEXPORT -DDIR=%t
# MISSING-REEXPORT: error: unable to locate re-export with install name [[DIR]]/libgoodbye.dylib
.text
.globl _main
_main:
movl $0x2000004, %eax # write() syscall
mov $1, %rdi # stdout
movq _hello_world@GOTPCREL(%rip), %rsi
mov $13, %rdx # length of str
syscall
mov $0, %rax
movl $0x2000004, %eax # write() syscall
mov $1, %rdi # stdout
movq _goodbye_world@GOTPCREL(%rip), %rsi
mov $15, %rdx # length of str
syscall
mov $0, %rax
ret