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[lld-macho] Re-add dylink-lazy test

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This reverts commit eb81de2de4003e3045fdf743e093f77e37aee9bf; the
test commands just needed to be run under llvm-lit.
This commit is contained in:
Jez Ng 2020-05-12 07:29:15 -07:00
parent e9536795a3
commit c8c39185f3
1 changed files with 59 additions and 0 deletions
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59
lld/test/MachO/dylink-lazy.s Normal file
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# REQUIRES: x86, shell
# RUN: mkdir -p %t
# 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: lld -flavor darwinnew -dylib -install_name \
# RUN: @executable_path/libhello.dylib %t/libhello.o -o %t/libhello.dylib
# RUN: lld -flavor darwinnew -dylib -install_name \
# RUN: @executable_path/libgoodbye.dylib %t/libgoodbye.o -o %t/libgoodbye.dylib
# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %s -o %t/dylink-lazy.o
# RUN: lld -flavor darwinnew -o %t/dylink-lazy -L%t -lhello -lgoodbye %t/dylink-lazy.o
## When looking at the __stubs section alone, we are unable to easily tell which
## symbol each entry points to. So we call objdump twice in order to get the
## disassembly of __text and the bind tables first, which allow us to check for
## matching entries in __stubs.
# RUN: (llvm-objdump -d --no-show-raw-insn --syms --bind --lazy-bind %t/dylink-lazy; \
# RUN: llvm-objdump -D --no-show-raw-insn %t/dylink-lazy) | FileCheck %s
# CHECK-LABEL: SYMBOL TABLE:
# CHECK: {{0*}}[[#%x, IMGLOADER:]] {{.*}} __DATA,__data __dyld_private
# CHECK-LABEL: Disassembly of section __TEXT,__text:
# CHECK: callq 0x[[#%x, HELLO_STUB:]]
# CHECK-NEXT: callq 0x[[#%x, GOODBYE_STUB:]]
# CHECK-LABEL: Bind table:
# CHECK: __DATA_CONST __got 0x[[#%x, BINDER:]] pointer 0 libSystem dyld_stub_binder
# CHECK-LABEL: Lazy bind table:
# CHECK-DAG: __DATA __la_symbol_ptr 0x{{0*}}[[#%x, HELLO_LAZY_PTR:]] libhello _print_hello
# CHECK-DAG: __DATA __la_symbol_ptr 0x{{0*}}[[#%x, GOODBYE_LAZY_PTR:]] libgoodbye _print_goodbye
# CHECK-LABEL: Disassembly of section __TEXT,__stubs:
# CHECK-DAG: [[#%x, HELLO_STUB]]: jmpq *[[#%u, HELLO_LAZY_PTR - HELLO_STUB - 6]](%rip)
# CHECK-DAG: [[#%x, GOODBYE_STUB]]: jmpq *[[#%u, GOODBYE_LAZY_PTR - GOODBYE_STUB - 6]](%rip)
# CHECK-LABEL: Disassembly of section __TEXT,__stub_helper:
# CHECK: {{0*}}[[#%x, STUB_HELPER_ENTRY:]] <__stub_helper>:
# CHECK-NEXT: leaq [[#%u, IMGLOADER - STUB_HELPER_ENTRY - 7]](%rip), %r11
# CHECK-NEXT: pushq %r11
# CHECK-NEXT: jmpq *[[#%u, BINDER_OFF:]](%rip)
# CHECK-NEXT: [[#%x, BINDER - BINDER_OFF]]: nop
# CHECK-NEXT: pushq $0
# CHECK-NEXT: jmp 0x[[#STUB_HELPER_ENTRY]]
# CHECK-NEXT: pushq $21
# CHECK-NEXT: jmp 0x[[#STUB_HELPER_ENTRY]]
.text
.globl _main
_main:
sub $8, %rsp # 16-byte-align the stack; dyld checks for this
callq _print_hello
callq _print_goodbye
add $8, %rsp
ret