lld/test/COFF/safeseh-notable.s

   1 # REQUIRES: x86
   2 # RUN: llvm-mc -triple i686-windows-msvc %s -filetype=obj -o %t.obj
   3 # RUN: lld-link %t.obj -safeseh -out:%t.exe -entry:main
   4 # RUN: llvm-readobj --file-headers %t.exe | FileCheck %s
   5
   6 # This object lacks a _load_config_used global, so we set
   7 # IMAGE_DLL_CHARACTERISTICS_NO_SEH even though there is an exception handler.
   8 # This is a more secure default. If someone wants to use a CRT without a load
   9 # config and they want to use 32-bit SEH, they will need to provide a
  10 # safeseh-compatible load config.
  11
  12 # CHECK-LABEL: Characteristics [
  13 # CHECK:   IMAGE_DLL_CHARACTERISTICS_NO_SEH
  14 # CHECK: ]
  15
  16 # CHECK-LABEL:  DataDirectory {
  17 # CHECK:    LoadConfigTableRVA: 0x0
  18 # CHECK:    LoadConfigTableSize: 0x0
  19 # CHECK:  }
  20
  21 # CHECK-NOT: LoadConfig
  22 # CHECK-NOT: SEHTable
  23
  24         .def     @feat.00;
  25         .scl    3;
  26         .type   0;
  27         .endef
  28         .globl  @feat.00
  29 @feat.00 = 1
  30
  31         .text
  32         .def     _main; .scl    2; .type   32; .endef
  33         .globl  _main
  34 _main:
  35         pushl $_my_handler
  36         movl $42, %eax
  37         popl %ecx
  38         ret
  39
  40         .def     _my_handler; .scl    3; .type   32; .endef
  41 _my_handler:
  42         ret
  43
  44 .safeseh _my_handler