Hi,
I have submitted a patch to Define ASM_PREFERRED_EH_DATA_FORMAT for
C-SKY
Index: gcc/ChangeLog
===================================================================
--- gcc/ChangeLog (revision 266011)
+++ gcc/ChangeLog (working copy)
@@ -1,3 +1,7 @@
+2018-11-11 Xianmiao Qu <xianmiao...@c-sky.com>
+
+ * config/csky/csky.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
+
2018-11-11 Richard Biener <rguent...@suse.de>
* tree-vrp.h (class value_range_base): New base class for
Index: gcc/config/csky/csky.h
===================================================================
--- gcc/config/csky/csky.h (revision 266011)
+++ gcc/config/csky/csky.h (working copy)
@@ -292,6 +292,9 @@ extern int csky_arch_isa_features[];
/* The register that holds the return address in exception handlers. */
#define EH_RETURN_STACKADJ_RTX gen_rtx_REG (SImode, CSKY_EH_STACKADJ_REGNUM)
+/* Select a format to encode pointers in exception handling data. */
+#define ASM_PREFERRED_EH_DATA_FORMAT(CODE, GLOBAL) \
+ (((GLOBAL) ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel | DW_EH_PE_sdata4)
/* Registers That Address the Stack Frame */
