| # REQUIRES: x86 |
| # RUN: llvm-mc -triple i686-windows-msvc %s -filetype=obj -o %t.obj |
| # RUN: lld-link %t.obj -safeseh -out:%t.exe -opt:noref -entry:main |
| # RUN: llvm-readobj --coff-basereloc --coff-load-config --file-headers %t.exe | FileCheck %s --check-prefix=CHECK-NOGC |
| # RUN: lld-link %t.obj -safeseh -out:%t.exe -opt:noref -entry:main -debug:dwarf |
| # RUN: llvm-readobj --coff-basereloc --coff-load-config --file-headers %t.exe | FileCheck %s --check-prefix=CHECK-NOGC |
| # RUN: lld-link %t.obj -safeseh -out:%t.exe -opt:ref -entry:main |
| # RUN: llvm-readobj --coff-basereloc --coff-load-config --file-headers %t.exe | FileCheck %s --check-prefix=CHECK-GC |
| |
| # __safe_se_handler_table needs to be relocated against ImageBase. |
| # check that the relocation is present. |
| # |
| # CHECK-NOGC-NOT: IMAGE_DLL_CHARACTERISTICS_NO_SEH |
| # CHECK-NOGC: BaseReloc [ |
| # CHECK-NOGC: Entry { |
| # CHECK-NOGC: Type: HIGHLOW |
| # CHECK-NOGC: LoadConfig [ |
| # CHECK-NOGC: Size: 0x48 |
| # CHECK-NOGC: SEHandlerTable: 0x |
| # CHECK-NOGC: SEHandlerCount: 1 |
| # CHECK-NOGC: ] |
| # CHECK-NOGC: SEHTable [ |
| # CHECK-NOGC-NEXT: 0x401006 |
| # CHECK-NOGC-NEXT: ] |
| |
| # If we enable GC, the exception handler should be removed, and we should add |
| # the DLL characteristic flag that indicates that there are no exception |
| # handlers in this DLL. The exception handler table in the load config should |
| # be empty and there should be no relocations for it. |
| # |
| # CHECK-GC: Characteristics [ |
| # CHECK-GC: IMAGE_DLL_CHARACTERISTICS_NO_SEH |
| # CHECK-GC: ] |
| # CHECK-GC: BaseReloc [ |
| # CHECK-GC-NEXT: ] |
| # CHECK-GC: LoadConfig [ |
| # CHECK-GC: Size: 0x48 |
| # CHECK-GC: SEHandlerTable: 0x0 |
| # CHECK-GC: SEHandlerCount: 0 |
| # CHECK-GC: ] |
| # CHECK-GC-NOT: SEHTable |
| |
| |
| .def @feat.00; |
| .scl 3; |
| .type 0; |
| .endef |
| .globl @feat.00 |
| @feat.00 = 1 |
| |
| .def _main; |
| .scl 2; |
| .type 32; |
| .endef |
| .section .text,"xr",one_only,_main |
| .globl _main |
| _main: |
| movl $42, %eax |
| ret |
| |
| # This handler can be GCd, which will make the safeseh table empty, so it should |
| # appear null. |
| .def _my_handler; |
| .scl 3; |
| .type 32; |
| .endef |
| .section .text,"xr",one_only,_my_handler |
| _my_handler: |
| ret |
| |
| .safeseh _my_handler |
| |
| |
| .section .rdata,"dr" |
| .globl __load_config_used |
| __load_config_used: |
| .long 72 |
| .fill 60, 1, 0 |
| .long ___safe_se_handler_table |
| .long ___safe_se_handler_count |