[PATCH 1/7] msvcrt: Add SEH annotations for sse2_memcpy().

[Zebediah Figura]

From: Zebediah Figura

This allows unwinding from a crash inside the function.
---
 dlls/msvcrt/string.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dlls/msvcrt/string.c b/dlls/msvcrt/string.c
index dd392abd203..c598a6fa76f 100644
--- a/dlls/msvcrt/string.c
+++ b/dlls/msvcrt/string.c
@@ -2817,8 +2817,11 @@ int __cdecl memcmp(const void *ptr1, const void *ptr2, size_t n)

#define MEMMOVE_INIT \
     "pushq " SRC_REG "\n\t" \
+    __ASM_SEH(".seh_pushreg " SRC_REG "\n\t") \
     __ASM_CFI(".cfi_adjust_cfa_offset 8\n\t") \
     "pushq " DEST_REG "\n\t" \
+    __ASM_SEH(".seh_pushreg " DEST_REG "\n\t") \
+    __ASM_SEH(".seh_endprologue\n\t") \
     __ASM_CFI(".cfi_adjust_cfa_offset 8\n\t") \
     "movq %rcx, " DEST_REG "\n\t" \
     "movq %rdx, " SRC_REG "\n\t"