csky.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.

2018-11-11  Xianmiao Qu  <xianmiao_qu@c-sky.com>

	* config/csky/csky.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.

From-SVN: r266012

gcc/ChangeLog

+2018-11-11  Xianmiao Qu  <xianmiao_qu@c-sky.com>
+
+	* config/csky/csky.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
+
 2018-11-11  Richard Biener  <rguenther@suse.de>
 
 	* tree-vrp.h (class value_range_base): New base class for

gcc/config/csky/csky.h

@@ -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  */