lld/test/COFF/safeseh-no.s

   1 # REQUIRES: x86
   2 # RUN: llvm-mc -triple i686-windows-msvc %s -filetype=obj -o %t.obj
   3 # RUN: not lld-link %t.obj -safeseh -out:%t.exe -entry:main 2>&1 | FileCheck %s --check-prefix=ERROR
   4 # safe seh should be on by default.
   5 # RUN: not lld-link %t.obj -out:%t.exe -entry:main 2>&1 | FileCheck %s --check-prefix=ERROR
   6 # RUN: lld-link %t.obj -safeseh:no -out:%t.exe -entry:main
   7 # RUN: llvm-readobj --file-headers --coff-load-config %t.exe | FileCheck %s
   8 # -lldmingw should also turn off safeseh by default.
   9 # RUN: lld-link %t.obj -lldmingw -out:%t.exe -entry:main
  10 # RUN: llvm-readobj --file-headers --coff-load-config %t.exe | FileCheck %s
  11
  12 # ERROR: /safeseh: {{.*}}safeseh-no.s.tmp.obj is not compatible with SEH
  13
  14 # CHECK: Characteristics [
  15 # CHECK-NOT:   IMAGE_DLL_CHARACTERISTICS_NO_SEH
  16 # CHECK: ]
  17 # CHECK: LoadConfig [
  18 # CHECK:   Size: 0x48
  19 # CHECK:   SEHandlerTable: 0x0
  20 # CHECK:   SEHandlerCount: 0
  21 # CHECK: ]
  22 # CHECK-NOT: SEHTable
  23
  24
  25 # Explicitly mark the object as not having safeseh. LLD should error unless
  26 # -safeseh:no is passed.
  27         .def     @feat.00; .scl    3; .type   0; .endef
  28         .globl  @feat.00
  29 @feat.00 = 0
  30
  31         .def     _main;
  32         .scl    2;
  33         .type   32;
  34         .endef
  35         .section        .text,"xr",one_only,_main
  36         .globl  _main
  37 _main:
  38         movl $42, %eax
  39         ret
  40
  41 # Add a handler to create an .sxdata section, which -safeseh:no should ignore.
  42         .def     _my_handler; .scl    3; .type   32;
  43         .endef
  44         .section        .text,"xr",one_only,_my_handler
  45 _my_handler:
  46         ret
  47 .safeseh _my_handler
  48
  49
  50         .section .rdata,"dr"
  51 .globl __load_config_used
  52 __load_config_used:
  53         .long 72
  54         .fill 60, 1, 0
  55         .long ___safe_se_handler_table
  56         .long ___safe_se_handler_count
  57