1 /* Definitions of target machine for gcc for Renesas / SuperH SH using ELF. 2 Copyright (C) 1996-2020 Free Software Foundation, Inc. 3 Contributed by Ian Lance Taylor <ian@cygnus.com>. 4 5 This file is part of GCC. 6 7 GCC is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3, or (at your option) 10 any later version. 11 12 GCC is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with GCC; see the file COPYING3. If not see 19 <http://www.gnu.org/licenses/>. */ 20 21 /* Let sh.c know this is ELF. */ 22 #undef TARGET_ELF 23 #define TARGET_ELF 1 24 25 /* Generate DWARF2 debugging information and make it the default. */ 26 #define DWARF2_DEBUGGING_INFO 1 27 28 #undef PREFERRED_DEBUGGING_TYPE 29 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG 30 31 /* Use a more compact format for line information. */ 32 #define DWARF2_ASM_LINE_DEBUG_INFO 1 33 34 #undef WCHAR_TYPE 35 #define WCHAR_TYPE SH_ELF_WCHAR_TYPE 36 37 #undef WCHAR_TYPE_SIZE 38 #define WCHAR_TYPE_SIZE 32 39 40 41 /* The prefix to add to user-visible assembler symbols. */ 42 #undef LOCAL_LABEL_PREFIX 43 #define LOCAL_LABEL_PREFIX "." 44 45 #undef SIZE_TYPE 46 #define SIZE_TYPE ("unsigned int") 47 48 #undef PTRDIFF_TYPE 49 #define PTRDIFF_TYPE ("int") 50 51 /* Pass -ml and -mrelax to the assembler and linker. */ 52 #undef ASM_SPEC 53 #define ASM_SPEC SH_ASM_SPEC 54 55 #undef LINK_SPEC 56 #define LINK_SPEC SH_LINK_SPEC 57 #undef LINK_EMUL_PREFIX 58 #if TARGET_ENDIAN_DEFAULT == MASK_LITTLE_ENDIAN 59 #define LINK_EMUL_PREFIX "sh%{!mb:l}elf" 60 #else 61 #define LINK_EMUL_PREFIX "sh%{ml:l}elf" 62 #endif 63 64 #define DBX_REGISTER_NUMBER(REGNO) SH_DBX_REGISTER_NUMBER (REGNO) 65 66 #undef ASM_GENERATE_INTERNAL_LABEL 67 #define ASM_GENERATE_INTERNAL_LABEL(STRING, PREFIX, NUM) \ 68 sprintf ((STRING), "*%s%s%ld", LOCAL_LABEL_PREFIX, (PREFIX), (long)(NUM)) 69 70 #define DBX_LINES_FUNCTION_RELATIVE 1 71 #define DBX_OUTPUT_NULL_N_SO_AT_MAIN_SOURCE_FILE_END 72 73 #undef STARTFILE_SPEC 74 #define STARTFILE_SPEC \ 75 "%{!shared: crt1.o%s} crti.o%s \ 76 %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}" 77 78 #undef ENDFILE_SPEC 79 #define ENDFILE_SPEC \ 80 "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s" 81 82 #undef LIB_SPEC 83 #define LIB_SPEC "-lc" 84 85 /* ASM_OUTPUT_CASE_LABEL is defined in elfos.h. With it, 86 a redundant .align was generated. */ 87 #undef ASM_OUTPUT_CASE_LABEL 88