lld/test/COFF/guardcf-align.s

   1 # REQUIRES: x86
   2 # RUN: llvm-mc -triple x86_64-windows-msvc -filetype=obj -o %t.obj %s
   3 # RUN: yaml2obj %p/Inputs/guardcf-align-foobar.yaml \
   4 # RUN:     > %T/guardcf-align-foobar.obj
   5 # RUN: lld-link -out:%T/guardcf-align.exe -entry:main -guard:cf \
   6 # RUN:     %t.obj %T/guardcf-align-foobar.obj
   7 # RUN: llvm-readobj --coff-load-config %T/guardcf-align.exe | FileCheck %s
   8
   9 # Check that the gfids table contains at least one entry that ends in 0
  10 # and no entries that end in something other than 0.
  11 # CHECK: GuardFidTable [
  12 # CHECK-NOT: 0x{{[0-9A-Fa-f]+[^0]$}}
  13 # CHECK: 0x{{[0-9A-Fa-f]+0$}}
  14 # CHECK-NOT: 0x{{[0-9A-Fa-f]+[^0]$}}
  15 # CHECK: ]
  16
  17 # @feat.00 and _load_config_used to indicate we have gfids.
  18         .def     @feat.00;
  19         .scl    3;
  20         .type   0;
  21         .endef
  22         .globl  @feat.00
  23 @feat.00 = 0x801
  24
  25         .section .rdata,"dr"
  26 .globl _load_config_used
  27 _load_config_used:
  28         .long 256
  29         .fill 124, 1, 0
  30         .quad __guard_fids_table
  31         .quad __guard_fids_count
  32         .long __guard_flags
  33         .fill 128, 1, 0
  34
  35 # Functions that are called indirectly.
  36         .section        .gfids$y,"dr"
  37         .symidx foo
  38
  39
  40         .section .text,"rx"
  41         .global main
  42 main:
  43         movq foo, %rcx
  44         xorq %rax, %rax
  45         callq bar
  46         retq