lld/test/COFF/guardcf-thunk.s

   1 # REQUIRES: x86
   2
   3 # Make a DLL that exports exportfn1.
   4 # RUN: yaml2obj %p/Inputs/export.yaml -o %t.obj
   5 # RUN: lld-link /out:%t.dll /dll %t.obj /export:exportfn1 /implib:%t.lib
   6
   7 # Make an obj that takes the address of that exported function.
   8 # RUN: llvm-mc -filetype=obj -triple=x86_64-windows-msvc %s -o %t2.obj
   9 # RUN: lld-link -entry:main -guard:cf %t2.obj %t.lib -nodefaultlib -out:%t.exe
  10 # RUN: llvm-readobj --coff-load-config %t.exe | FileCheck %s
  11
  12 # Check that the gfids table contains *exactly* two entries, one for exportfn1
  13 # and one for main.
  14 # CHECK: GuardFidTable [
  15 # CHECK-NEXT: 0x{{[0-9A-Fa-f]+0$}}
  16 # CHECK-NEXT: 0x{{[0-9A-Fa-f]+0$}}
  17 # CHECK-NEXT: ]
  18
  19
  20         .def     @feat.00;
  21         .scl    3;
  22         .type   0;
  23         .endef
  24         .globl  @feat.00
  25 @feat.00 = 0x001
  26
  27         .section .text,"rx"
  28         .def     main; .scl    2; .type   32; .endef
  29         .global main
  30 main:
  31         leaq exportfn1(%rip), %rax
  32         retq
  33
  34         .section .rdata,"dr"
  35 .globl _load_config_used
  36 _load_config_used:
  37         .long 256
  38         .fill 124, 1, 0
  39         .quad __guard_fids_table
  40         .quad __guard_fids_count
  41         .long __guard_flags
  42         .fill 128, 1, 0
  43