1 /* Definitions of target machine for GCC, 2 for SPARC running in an embedded environment using the ELF file format. 3 Copyright (C) 2005, 2007 Free Software Foundation, Inc. 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 #undef TARGET_VERSION 22 #define TARGET_VERSION fprintf (stderr, " (sparc-elf)") 23 24 /* Don't assume anything about the header files. */ 25 #define NO_IMPLICIT_EXTERN_C 26 27 /* The sun bundled assembler doesn't accept -Yd, (and neither does gas). 28 It's safe to pass -s always, even if -g is not used. */ 29 #undef ASM_SPEC 30 #define ASM_SPEC \ 31 "%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s \ 32 %{fpic|fpie|fPIC|fPIE:-K PIC} %(asm_cpu)" 33 34 /* Use the default. */ 35 #undef LINK_SPEC 36 37 #undef STARTFILE_SPEC 38 #define STARTFILE_SPEC "crt0.o%s crti.o%s crtbegin.o%s" 39 40 #undef ENDFILE_SPEC 41 #define ENDFILE_SPEC \ 42 "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \ 43 crtend.o%s crtn.o%s" 44 45 /* Don't set the target flags, this is done by the linker script */ 46 #undef LIB_SPEC 47 #define LIB_SPEC "" 48 49 /* This defines which switch letters take arguments. 50 It is as in svr4.h but with -R added. */ 51 #undef SWITCH_TAKES_ARG 52 #define SWITCH_TAKES_ARG(CHAR) \ 53 (DEFAULT_SWITCH_TAKES_ARG(CHAR) \ 54 || (CHAR) == 'R' \ 55 || (CHAR) == 'h' \ 56 || (CHAR) == 'z') 57 58 #undef LOCAL_LABEL_PREFIX 59 #define LOCAL_LABEL_PREFIX "." 60 61 /* This is how to store into the string LABEL 62 the symbol_ref name of an internal numbered label where 63 PREFIX is the class of label and NUM is the number within the class. 64 This is suitable for output with `assemble_name'. */ 65 66 #undef ASM_GENERATE_INTERNAL_LABEL 67 #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \ 68 sprintf ((LABEL), "*.L%s%ld", (PREFIX), (long)(NUM)) 69 70 /* ??? Inherited from sol2.h. Probably wrong. */ 71 #undef WCHAR_TYPE 72 #define WCHAR_TYPE "long int" 73 74 #undef WCHAR_TYPE_SIZE 75 #define WCHAR_TYPE_SIZE BITS_PER_WORD 76 77 /* ??? until fixed. */ 78 #undef LONG_DOUBLE_TYPE_SIZE 79 #define LONG_DOUBLE_TYPE_SIZE 64 80