1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
# 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
|
