Hi Indu, > @@ -3656,6 +3657,7 @@ md_begin (void) > #ifdef OBJ_ELF > x86_sframe_cfa_sp_reg = REG_SP; > x86_sframe_cfa_fp_reg = REG_FP; > + x86_sframe_cfa_ra_reg = 16; It will be better a define for register 16 like it is done for REG_FP/REG_SP macros. Best regards, Claudiu