lld/test/MachO/subsections-symbol-relocs.s

   1 # REQUIRES: x86
   2 # RUN: rm -rf %t; split-file %s %t
   3 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/test.s -o %t/test.o
   4
   5 # RUN: %lld -o %t/test-1 %t/test.o -order_file %t/order-file-1
   6 # RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn %t/test-1 | FileCheck %s
   7 # RUN: %lld -o %t/test-2 %t/test.o -order_file %t/order-file-2
   8 # RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn %t/test-2 | FileCheck %s
   9 # CHECK-LABEL: Disassembly of section __TEXT,__text:
  10 # CHECK:       <_ba{{r|z}}>:
  11 # CHECK-NEXT:    callq {{.*}} <_foo>
  12 # CHECK-EMPTY:
  13 # CHECK-NEXT:  <_qux>:
  14 # CHECK-NEXT:    retq
  15 # CHECK:       <_foo>:
  16 # CHECK-NEXT:    retq
  17 # CHECK:       <_main>:
  18 # CHECK-NEXT:    callq {{.*}} <_ba{{r|z}}>
  19 # CHECK-NEXT:    movq $0, %rax
  20 # CHECK-NEXT:    retq
  21
  22 #--- order-file-1
  23 _bar
  24 _foo
  25 _main
  26 ## _qux is marked as .alt_entry, so it should not create a new subsection and
  27 ## its contents should move with _bar to the start of the output despite the
  28 ## order file listing it at the end.
  29 _qux
  30
  31 #--- order-file-2
  32 ## _bar and _baz point to the same address, so both order files should achieve
  33 ## the same result.
  34 _baz
  35 _foo
  36 _main
  37 _qux
  38
  39 #--- test.s
  40 .text
  41 .globl _main, _foo, _bar, _qux
  42 .alt_entry _qux
  43
  44 _foo:
  45   retq
  46
  47 _main:
  48   callq _bar
  49   movq $0, %rax
  50   retq
  51
  52 _bar:
  53 _baz:
  54   callq _foo
  55 _qux:
  56   retq
  57
  58 .subsections_via_symbols