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1// This test checks the alignment and padding of the unwind info.
2
3// RUN: llvm-mc -triple x86_64-pc-win32 -filetype=obj %s | llvm-readobj -s -sd -sr -u | FileCheck %s
4
5// CHECK:      Sections [
6// CHECK:        Section {
7// CHECK:          Name: .xdata
8// CHECK:          RawDataSize: 8
9// CHECK:          RelocationCount: 0
10// CHECK:          Characteristics [
11// CHECK-NEXT:       ALIGN_4BYTES
12// CHECK-NEXT:       CNT_INITIALIZED_DATA
13// CHECK-NEXT:       MEM_READ
14// CHECK-NEXT:     ]
15// CHECK:          Relocations [
16// CHECK-NEXT:     ]
17// CHECK:          SectionData (
18// CHECK-NEXT:       0000: 01000000 00000000
19// CHECK-NEXT:     )
20// CHECK-NEXT:   }
21// CHECK:        Section {
22// CHECK:          Name: .pdata
23// CHECK:          RawDataSize: 12
24// CHECK:          RelocationCount: 3
25// CHECK:          Characteristics [
26// CHECK-NEXT:       IMAGE_SCN_ALIGN_4BYTES
27// CHECK-NEXT:       IMAGE_SCN_CNT_INITIALIZED_DATA
28// CHECK-NEXT:       IMAGE_SCN_MEM_READ
29// CHECK-NEXT:     ]
30// CHECK:          Relocations [
31// CHECK-NEXT:       [[BeginDisp:0x[A-F0-9]+]] IMAGE_REL_AMD64_ADDR32NB smallFunc
32// CHECK-NEXT:       [[EndDisp:0x[A-F0-9]+]] IMAGE_REL_AMD64_ADDR32NB smallFunc
33// CHECK-NEXT:       [[UnwindDisp:0x[A-F0-9]+]] IMAGE_REL_AMD64_ADDR32NB .xdata
34// CHECK-NEXT:     ]
35// CHECK:          SectionData (
36// CHECK-NEXT:       0000: 00000000 01000000 00000000
37// CHECK-NEXT:     )
38// CHECK-NEXT:   }
39// CHECK:        UnwindInformation [
40// CHECK-NEXT:     RuntimeFunction {
41// CHECK-NEXT:     StartAddress: smallFunc {{(\+0x[A-F0-9]+ )?}}([[BeginDisp]])
42// CHECK-NEXT:     EndAddress: smallFunc {{(\+0x[A-F0-9]+ )?}}([[EndDisp]])
43// CHECK-NEXT:     UnwindInfoAddress: .xdata {{(\+0x[A-F0-9]+ )?}}([[UnwindDisp]])
44// CHECK-NEXT:     UnwindInfo {
45// CHECK-NEXT:       Version: 1
46// CHECK-NEXT:       Flags [
47// CHECK-NEXT:       ]
48// CHECK-NEXT:       PrologSize: 0
49// CHECK-NEXT:       FrameRegister: -
50// CHECK-NEXT:       FrameOffset: -
51// CHECK-NEXT:       UnwindCodeCount: 0
52// CHECK-NEXT:       UnwindCodes [
53// CHECK-NEXT:       ]
54// CHECK-NEXT:     }
55// CHECK-NEXT:   }
56// CHECK-NEXT: ]
57
58// Generate the minimal unwind info.
59// It contains only the version set to 1. All other bytes are 0.
60    .globl smallFunc
61    .def smallFunc; .scl 2; .type 32; .endef
62    .seh_proc smallFunc
63smallFunc:
64    ret
65    .seh_endproc
66