1 files changed, 65 insertions, 0 deletions
diff --git a/test/MC/COFF/seh-align1.s b/test/MC/COFF/seh-align1.s
new file mode 100644
index 0000000..aafc6ed
--- /dev/null
+++ b/test/MC/COFF/seh-align1.s
@@ -0,0 +1,65 @@
+// 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: 8
+// CHECK:          RelocationCount: 0
+// CHECK:          Characteristics [
+// CHECK-NEXT:       ALIGN_4BYTES
+// CHECK-NEXT:       CNT_INITIALIZED_DATA
+// CHECK-NEXT:       MEM_READ
+// CHECK-NEXT:     ]
+// CHECK:          Relocations [
+// CHECK-NEXT:     ]
+// CHECK:          SectionData (
+// CHECK-NEXT:       0000: 01000000 00000000
+// CHECK-NEXT:     )
+// CHECK-NEXT:   }
+// CHECK:        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 smallFunc
+// CHECK-NEXT:       [[EndDisp:0x[A-F0-9]+]] IMAGE_REL_AMD64_ADDR32NB smallFunc
+// CHECK-NEXT:       [[UnwindDisp:0x[A-F0-9]+]] IMAGE_REL_AMD64_ADDR32NB .xdata
+// CHECK-NEXT:     ]
+// CHECK:          SectionData (
+// CHECK-NEXT:       0000: 00000000 01000000 00000000
+// CHECK-NEXT:     )
+// CHECK-NEXT:   }
+// CHECK:        UnwindInformation [
+// CHECK-NEXT:     RuntimeFunction {
+// CHECK-NEXT:     StartAddress: smallFunc {{(\+0x[A-F0-9]+ )?}}([[BeginDisp]])
+// CHECK-NEXT:     EndAddress: smallFunc {{(\+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:       ]
+// CHECK-NEXT:       PrologSize: 0
+// CHECK-NEXT:       FrameRegister: -
+// CHECK-NEXT:       FrameOffset: -
+// CHECK-NEXT:       UnwindCodeCount: 0
+// CHECK-NEXT:       UnwindCodes [
+// CHECK-NEXT:       ]
+// CHECK-NEXT:     }
+// CHECK-NEXT:   }
+// CHECK-NEXT: ]
+
+// Generate the minimal unwind info.
+// It contains only the version set to 1. All other bytes are 0.
+    .globl smallFunc
+    .def smallFunc; .scl 2; .type 32; .endef
+    .seh_proc smallFunc
+smallFunc:
+    ret
+    .seh_endproc