This is a backport to the og9 branch of the patch posted here:
https://gcc.gnu.org/ml/gcc-patches/2019-06/msg00443.html
2019-06-25 Andrew Stubbs <a...@codesourcery.com>
Backport from mainline:
libgcc/
* config/gcn/t-amdgcn (LIB2ADD): Add unwind-gcn.c.
* config/gcn/unwind-gcn.c: New file.
---
libgcc/ChangeLog.openacc | 7 +++++++
libgcc/config/gcn/t-amdgcn | 3 ++-
libgcc/config/gcn/unwind-gcn.c | 37 ++++++++++++++++++++++++++++++++++
3 files changed, 46 insertions(+), 1 deletion(-)
create mode 100644 libgcc/config/gcn/unwind-gcn.c
diff --git a/libgcc/ChangeLog.openacc b/libgcc/ChangeLog.openacc
index 1aaa7178df9..45fc6aaf530 100644
--- a/libgcc/ChangeLog.openacc
+++ b/libgcc/ChangeLog.openacc
@@ -1,3 +1,10 @@
+2019-06-25 Andrew Stubbs <a...@codesourcery.com>
+
+ Backport from mainline:
+
+ * config/gcn/t-amdgcn (LIB2ADD): Add unwind-gcn.c.
+ * config/gcn/unwind-gcn.c: New file.
+
2019-06-25 Kwok Cheung Yeung <k...@codesourcery.com>
Andrew Stubbs <a...@codesourcery.com>
diff --git a/libgcc/config/gcn/t-amdgcn b/libgcc/config/gcn/t-amdgcn
index 8687c9f3d9f..adbd866a1d9 100644
--- a/libgcc/config/gcn/t-amdgcn
+++ b/libgcc/config/gcn/t-amdgcn
@@ -1,5 +1,6 @@
LIB2ADD += $(srcdir)/config/gcn/lib2-divmod.c \
- $(srcdir)/config/gcn/lib2-divmod-hi.c
+ $(srcdir)/config/gcn/lib2-divmod-hi.c \
+ $(srcdir)/config/gcn/unwind-gcn.c
LIB2ADDEH=
LIB2FUNCS_EXCLUDE=__main
diff --git a/libgcc/config/gcn/unwind-gcn.c b/libgcc/config/gcn/unwind-gcn.c
new file mode 100644
index 00000000000..bfb7028fed6
--- /dev/null
+++ b/libgcc/config/gcn/unwind-gcn.c
@@ -0,0 +1,37 @@
+/* Stub unwinding implementation.
+
+ Copyright (C) 2019 Free Software Foundation, Inc.
+ Contributed by Mentor Graphics
+
+ This file is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by the
+ Free Software Foundation; either version 3, or (at your option) any
+ later version.
+
+ This file is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ Under Section 7 of GPL version 3, you are granted additional
+ permissions described in the GCC Runtime Library Exception, version
+ 3.1, as published by the Free Software Foundation.
+
+ You should have received a copy of the GNU General Public License and
+ a copy of the GCC Runtime Library Exception along with this program;
+ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include "unwind.h"
+
+_Unwind_Reason_Code
+_Unwind_Backtrace (_Unwind_Trace_Fn trace, void *trace_argument)
+{
+ return 0;
+}
+
+_Unwind_Ptr
+_Unwind_GetIPInfo (struct _Unwind_Context *c, int *ip_before_insn)
+{
+ return 0;
+}
--
2.22.0
