lld/test/MachO/arm64-stubs.s

   1 # REQUIRES: aarch64
   2 # RUN: rm -rf %t; split-file %s %t
   3 # RUN: llvm-mc -filetype=obj -triple=arm64-apple-darwin %t/foo.s -o %t/foo.o
   4 # RUN: llvm-mc -filetype=obj -triple=arm64-apple-darwin %t/bar.s -o %t/bar.o
   5 # RUN: llvm-mc -filetype=obj -triple=arm64-apple-darwin %t/test.s -o %t/test.o
   6 # RUN: %lld -arch arm64 -dylib -install_name @executable_path/libfoo.dylib %t/foo.o -o %t/libfoo.dylib
   7 # RUN: %lld -arch arm64 -dylib -install_name @executable_path/libbar.dylib %t/bar.o -o %t/libbar.dylib
   8 # RUN: %lld -arch arm64 -lSystem %t/libfoo.dylib %t/libbar.dylib %t/test.o -o %t/test
   9
  10 # RUN: llvm-objdump --no-print-imm-hex --macho -d --no-show-raw-insn --section="__TEXT,__stubs" --section="__TEXT,__stub_helper" %t/test | FileCheck %s
  11
  12 # CHECK:       _main:
  13 # CHECK-NEXT:  bl 0x[[#%x,FOO:]] ; symbol stub for: _foo
  14 # CHECK-NEXT:  bl 0x[[#%x,BAR:]] ; symbol stub for: _bar
  15 # CHECK-NEXT:  ret
  16
  17 # CHECK-LABEL: Contents of (__TEXT,__stubs) section
  18 # CHECK-NEXT:  [[#BAR]]: adrp x16
  19 # CHECK-NEXT:            ldr x16, [x16{{.*}}] ; literal pool symbol address: _bar
  20 # CHECK-NEXT:            br x16
  21 # CHECK-NEXT:  [[#FOO]]: adrp x16
  22 # CHECK-NEXT:            ldr x16, [x16{{.*}}] ; literal pool symbol address: _foo
  23 # CHECK-NEXT:            br x16
  24
  25 # CHECK-LABEL: Contents of (__TEXT,__stub_helper) section
  26 # CHECK-NEXT:  [[#%x,HELPER_HEADER:]]: adrp x17
  27 # CHECK-NEXT:                          add x17, x17
  28 # CHECK-NEXT:                          stp x16, x17, [sp, #-16]!
  29 # CHECK-NEXT:                          adrp x16
  30 # CHECK-NEXT:                          ldr x16, [x16] ; literal pool symbol address: dyld_stub_binder
  31 # CHECK-NEXT:                          br x16
  32 # CHECK-NEXT:                          ldr w16, 0x[[#%x,BAR_BIND_OFF_ADDR:]]
  33 # CHECK-NEXT:                          b 0x[[#HELPER_HEADER]]
  34 # CHECK-NEXT:  [[#BAR_BIND_OFF_ADDR]]: udf #0
  35 # CHECK-NEXT:                          ldr w16, 0x[[#%x,FOO_BIND_OFF_ADDR:]]
  36 # CHECK-NEXT:                          b 0x[[#HELPER_HEADER]]
  37 # CHECK-NEXT:  [[#FOO_BIND_OFF_ADDR]]: udf #11
  38
  39 #--- foo.s
  40 .globl _foo
  41 _foo:
  42
  43 #--- bar.s
  44 .globl _bar
  45 _bar:
  46
  47 #--- test.s
  48 .text
  49 .globl _main
  50
  51 .p2align 2
  52 _main:
  53   bl _foo
  54   bl _bar
  55   ret