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
81
82
83
|
// This test checks the alignment and padding of the unwind info.
// RUN: llvm-mc -triple x86_64-pc-win32 -filetype=obj %s | llvm-readobj -S --sd --sr -u | FileCheck %s
// CHECK: Sections [
// CHECK: Section {
// CHECK: Name: .xdata
// CHECK: RawDataSize: 16
// CHECK: RelocationCount: 1
// CHECK: Characteristics [
// CHECK-NEXT: ALIGN_4BYTES
// CHECK-NEXT: CNT_INITIALIZED_DATA
// CHECK-NEXT: MEM_READ
// CHECK-NEXT: ]
// CHECK: Relocations [
// CHECK-NEXT: [[HandlerDisp:0x[A-F0-9]+]] IMAGE_REL_AMD64_ADDR32NB __C_specific_handler
// CHECK-NEXT: ]
// CHECK: SectionData (
// CHECK-NEXT: 0000: 19000200 04D002C0 00000000 BEBAFECA
// CHECK-NEXT: )
// CHECK-NEXT: }
// CHECK-NEXT: Section {
// CHECK: Name: .pdata
// CHECK: RawDataSize: 12
// CHECK: RelocationCount: 3
// CHECK: Characteristics [
// CHECK-NEXT: IMAGE_SCN_ALIGN_4BYTES
// CHECK-NEXT: IMAGE_SCN_CNT_INITIALIZED_DATA
// CHECK-NEXT: IMAGE_SCN_MEM_READ
// CHECK-NEXT: ]
// CHECK: Relocations [
// CHECK-NEXT: [[BeginDisp:0x[A-F0-9]+]] IMAGE_REL_AMD64_ADDR32NB func
// CHECK-NEXT: [[EndDisp:0x[A-F0-9]+]] IMAGE_REL_AMD64_ADDR32NB func
// CHECK-NEXT: [[UnwindDisp:0x[A-F0-9]+]] IMAGE_REL_AMD64_ADDR32NB .xdata
// CHECK-NEXT: ]
// CHECK: SectionData (
// CHECK-NEXT: 0000: FCFFFFFF 05000000 00000000
// CHECK-NEXT: )
// CHECK-NEXT: }
// CHECK-NEXT: ]
// CHECK: UnwindInformation [
// CHECK-NEXT: RuntimeFunction {
// CHECK-NEXT: StartAddress: func {{(\+0x[A-F0-9]+ )?}}([[BeginDisp]])
// CHECK-NEXT: EndAddress: func {{(\+0x[A-F0-9]+ )?}}([[EndDisp]])
// CHECK-NEXT: UnwindInfoAddress: .xdata {{(\+0x[A-F0-9]+ )?}}([[UnwindDisp]])
// CHECK-NEXT: UnwindInfo {
// CHECK-NEXT: Version: 1
// CHECK-NEXT: Flags [
// CHECK-NEXT: ExceptionHandler
// CHECK-NEXT: TerminateHandler
// CHECK-NEXT: ]
// CHECK-NEXT: PrologSize: 0
// CHECK-NEXT: FrameRegister: -
// CHECK-NEXT: FrameOffset: -
// CHECK-NEXT: UnwindCodeCount: 2
// CHECK-NEXT: UnwindCodes [
// CHECK-NEXT: 0x04: PUSH_NONVOL reg=R13
// CHECK-NEXT: 0x02: PUSH_NONVOL reg=R12
// CHECK-NEXT: ]
// CHECK-NEXT: Handler: __C_specific_handler ([[HandlerDisp]])
// CHECK-NEXT: }
// CHECK-NEXT: }
// CHECK-NEXT: ]
// Generates two unwind codes.
// Requires no padding of the unwind code array.
.globl func
.def func; .scl 2; .type 32; .endef
.seh_proc func
push %r12
.seh_pushreg 12
push %r13
.seh_pushreg 13
.seh_handler __C_specific_handler, @except, @unwind
.seh_handlerdata
.long 0xcafebabe
.text
.seh_endprologue
func:
pop %r13
pop %r12
ret
.seh_endproc
|
