[PATCH v8 1/3] ntdll/tests: Add an exception test for accessing a modified %gs on x86_64.

[William Horvath]

From: William Horvath

---
 dlls/ntdll/tests/exception.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/dlls/ntdll/tests/exception.c b/dlls/ntdll/tests/exception.c
index 9b5ca2ca508..7745a762cb5 100644
--- a/dlls/ntdll/tests/exception.c
+++ b/dlls/ntdll/tests/exception.c
@@ -2711,6 +2711,14 @@ static const struct exception
     { { 0xb8, 0x01, 0x00, 0x00, 0x00,          /* mov $0x01, %eax */
         0xcd, 0x2d, 0xfa, 0xc3 },              /* int $0x2d; cli; ret */
       8, 0, STATUS_SUCCESS, 0 },
+#if 0 /* Disabled for the same reason as the #if 0 blocks above (gs_base zeroed) */
+    { { 0x66, 0x0f, 0xa8,                      /* push %gs */
+        0x66, 0x0f, 0xa9,                      /* pop  %gs */
+        0x65, 0x48, 0x8b, 0x04, 0x25,          /* movq %gs:0x30,%rax (NtCurrentTeb) */
+        0x30, 0x00, 0x00, 0x00,
+        0xc3 },                                /* ret */
+      8, 0, STATUS_SUCCESS, 0 },
+#endif
 };

static int got_exception;