[PATCH] xtensa: don't use unwind-dw2-fde-dip with elf targets

[Max Filippov]

Define LIB2ADDEH_XTENSA_UNWIND_DW2_FDE to unwind-dw2-fde.c in
xtensa/t-elf and to unwind-dw2-fde-dip.c in xtensa/t-linux and use
LIB2ADDEH_XTENSA_UNWIND_DW2_FDE in LIB2ADDEH definition.

2016-10-17  Max Filippov  <jcmvb...@gmail.com>
libgcc/
        * config/xtensa/t-elf (LIB2ADDEH_XTENSA_UNWIND_DW2_FDE): New
        definition.
        * config/xtensa/t-linux (LIB2ADDEH_XTENSA_UNWIND_DW2_FDE): New
        definition.
        * config/xtensa/t-windowed (LIB2ADDEH): Use
        LIB2ADDEH_XTENSA_UNWIND_DW2_FDE defined by either xtensa/t-elf
        or xtensa/t-linux.

Signed-off-by: Max Filippov <jcmvb...@gmail.com>
---
 libgcc/config/xtensa/t-elf      | 2 ++
 libgcc/config/xtensa/t-linux    | 2 ++
 libgcc/config/xtensa/t-windowed | 2 +-
 3 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/libgcc/config/xtensa/t-elf b/libgcc/config/xtensa/t-elf
index 59d5121..967cf9b 100644
--- a/libgcc/config/xtensa/t-elf
+++ b/libgcc/config/xtensa/t-elf
@@ -3,3 +3,5 @@ CRTSTUFF_T_CFLAGS += -mlongcalls
 CRTSTUFF_T_CFLAGS_S += -mlongcalls
 
 HOST_LIBGCC2_CFLAGS += -mlongcalls
+
+LIB2ADDEH_XTENSA_UNWIND_DW2_FDE = $(srcdir)/unwind-dw2-fde.c
diff --git a/libgcc/config/xtensa/t-linux b/libgcc/config/xtensa/t-linux
index 6f4ae89..412ecca 100644
--- a/libgcc/config/xtensa/t-linux
+++ b/libgcc/config/xtensa/t-linux
@@ -1 +1,3 @@
 SHLIB_MAPFILES += $(srcdir)/config/xtensa/libgcc-glibc.ver
+
+LIB2ADDEH_XTENSA_UNWIND_DW2_FDE = $(srcdir)/unwind-dw2-fde-dip.c
diff --git a/libgcc/config/xtensa/t-windowed b/libgcc/config/xtensa/t-windowed
index a99156c..f140136 100644
--- a/libgcc/config/xtensa/t-windowed
+++ b/libgcc/config/xtensa/t-windowed
@@ -1,2 +1,2 @@
 LIB2ADDEH = $(srcdir)/config/xtensa/unwind-dw2-xtensa.c \
-   $(srcdir)/unwind-dw2-fde-dip.c $(srcdir)/unwind-sjlj.c $(srcdir)/unwind-c.c
+   $(LIB2ADDEH_XTENSA_UNWIND_DW2_FDE) $(srcdir)/unwind-sjlj.c 
$(srcdir)/unwind-c.c
-- 
2.1.4