1 /* Definitions of target machine for gcc for Renesas / SuperH SH using ELF. 2 Copyright (C) 1996, 1997, 2000, 2001, 2002, 2004, 2005, 2007 3 Free Software Foundation, Inc. 4 Contributed by Ian Lance Taylor <ian@cygnus.com>. 5 6 This file is part of GCC. 7 8 GCC is free software; you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation; either version 3, or (at your option) 11 any later version. 12 13 GCC is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with GCC; see the file COPYING3. If not see 20 <http://www.gnu.org/licenses/>. */ 21 22 /* Let sh.c know this is ELF. */ 23 #undef TARGET_ELF 24 #define TARGET_ELF 1 25 26 /* Generate DWARF2 debugging information and make it the default */ 27 #define DWARF2_DEBUGGING_INFO 1 28 29 #undef PREFERRED_DEBUGGING_TYPE 30 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG 31 32 /* use a more compact format for line information */ 33 #define DWARF2_ASM_LINE_DEBUG_INFO 1 34 35 /* WCHAR_TYPE / WCHAR_TYPE_SIZE are defined to long int / BITS_PER_WORD in 36 svr4.h, but these work out as 64 bit for shmedia64. */ 37 #undef WCHAR_TYPE 38 /* #define WCHAR_TYPE (TARGET_SH5 ? "int" : "long int") */ 39 #define WCHAR_TYPE SH_ELF_WCHAR_TYPE 40 41 #undef WCHAR_TYPE_SIZE 42 #define WCHAR_TYPE_SIZE 32 43 44 45 /* The prefix to add to user-visible assembler symbols. */ 46 47 #undef LOCAL_LABEL_PREFIX 48 #define LOCAL_LABEL_PREFIX "." 49 50 #undef SIZE_TYPE 51 #define SIZE_TYPE (TARGET_SH5 ? "long unsigned int" : "unsigned int") 52 53 #undef PTRDIFF_TYPE 54 #define PTRDIFF_TYPE (TARGET_SH5 ? "long int" : "int") 55 56 /* Pass -ml and -mrelax to the assembler and linker. */ 57 #undef ASM_SPEC 58 #define ASM_SPEC SH_ASM_SPEC 59 60 #undef LINK_SPEC 61 #define LINK_SPEC SH_LINK_SPEC 62 #undef LINK_EMUL_PREFIX 63 #if TARGET_ENDIAN_DEFAULT == MASK_LITTLE_ENDIAN 64 #define LINK_EMUL_PREFIX "sh%{!mb:l}elf" 65 #else 66 #define LINK_EMUL_PREFIX "sh%{ml:l}elf" 67 #endif 68 69 /* svr4.h undefined DBX_REGISTER_NUMBER, so we need to define it 70 again. */ 71 #define DBX_REGISTER_NUMBER(REGNO) SH_DBX_REGISTER_NUMBER (REGNO) 72 73 #undef ASM_GENERATE_INTERNAL_LABEL 74 #define ASM_GENERATE_INTERNAL_LABEL(STRING, PREFIX, NUM) \ 75 sprintf ((STRING), "*%s%s%ld", LOCAL_LABEL_PREFIX, (PREFIX), (long)(NUM)) 76 77 #define DBX_LINES_FUNCTION_RELATIVE 1 78 #define DBX_OUTPUT_NULL_N_SO_AT_MAIN_SOURCE_FILE_END 79 80 #undef STARTFILE_SPEC 81 #define STARTFILE_SPEC \ 82 "%{!shared: crt1.o%s} crti.o%s \ 83 %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}" 84 85 #undef ENDFILE_SPEC 86 #define ENDFILE_SPEC \ 87 "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s" 88 89 /* ASM_OUTPUT_CASE_LABEL is defined in elfos.h. With it, 90 a redundant .align was generated. */ 91 #undef ASM_OUTPUT_CASE_LABEL 92