libunwind: apply a patch to fix x32

Apply patch to fix the X32 build from https://github.com/sjnewbury/x32

(From OE-Core rev: cdd6130255d8fc78b0a43fad410cde024cb1b9a5)

Signed-off-by: Christopher Larson <chris_larson@mentor.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-support/libunwind/libunwind/libunwind-1.1-x32.patch

@@ -0,0 +1,31 @@
+From 506bd37bd580d7382d7c58257dac4b1e502a887c Mon Sep 17 00:00:00 2001
+From: Christopher Larson <chris_larson@mentor.com>
+Date: Tue, 13 Dec 2016 09:50:34 -0700
+Subject: [PATCH] Fix for X32
+
+Apply patch to fix the X32 build from https://github.com/sjnewbury/x32.
+
+Upstream-Status: Pending
+Signed-off-by: Christopher Larson <chris_larson@mentor.com>
+---
+ src/x86_64/Gos-linux.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/src/x86_64/Gos-linux.c b/src/x86_64/Gos-linux.c
+index 9e1acfc..8169d5a 100644
+--- a/src/x86_64/Gos-linux.c
++++ b/src/x86_64/Gos-linux.c
+@@ -143,8 +143,8 @@ x86_64_sigreturn (unw_cursor_t *cursor)
+ 
+   Debug (8, "resuming at ip=%llx via sigreturn(%p)\n",
+              (unsigned long long) c->dwarf.ip, sc);
+-  __asm__ __volatile__ ("mov %0, %%rsp;"
+-                        "mov %1, %%rax;"
++  __asm__ __volatile__ ("mov %q0, %%rsp;"
++                        "mov %q1, %%rax;"
+                         "syscall"
+                         :: "r"(sc), "i"(SYS_rt_sigreturn)
+                         : "memory");
+-- 
+2.8.0
+

meta/recipes-support/libunwind/libunwind_git.bb

@@ -11,6 +11,7 @@ SRC_URI = "git://git.sv.gnu.org/libunwind.git \
            file://0001-Fix-build-on-mips-musl.patch \
            file://0001-add-knobs-to-disable-enable-tests.patch \
            file://0001-ppc32-Consider-ucontext-mismatches-between-glibc-and.patch \
+           file://libunwind-1.1-x32.patch \
            "
 
 SRC_URI_append_libc-musl = " file://musl-header-conflict.patch"