1 /* Definitions of target machine for GCC, 2 for SPARC running in an embedded environment using the ELF file format. 3 Copyright (C) 2005 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 2, 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 COPYING. If not, write to 19 the Free Software Foundation, 51 Franklin Street, Fifth Floor, 20 Boston, MA 02110-1301, USA. */ 21 22 #undef TARGET_VERSION 23 #define TARGET_VERSION fprintf (stderr, " (sparc-elf)") 24 25 /* Don't assume anything about the header files. */ 26 #define NO_IMPLICIT_EXTERN_C 27 28 /* The sun bundled assembler doesn't accept -Yd, (and neither does gas). 29 It's safe to pass -s always, even if -g is not used. */ 30 #undef ASM_SPEC 31 #define ASM_SPEC \ 32 "%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s \ 33 %{fpic|fpie|fPIC|fPIE:-K PIC} %(asm_cpu)" 34 35 /* Use the default. */ 36 #undef LINK_SPEC 37 38 #undef STARTFILE_SPEC 39 #define STARTFILE_SPEC "crt0.o%s crti.o%s crtbegin.o%s" 40 41 #undef ENDFILE_SPEC 42 #define ENDFILE_SPEC \ 43 "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \ 44 crtend.o%s crtn.o%s" 45 46 /* Don't set the target flags, this is done by the linker script */ 47 #undef LIB_SPEC 48 #define LIB_SPEC "" 49 50 /* This defines which switch letters take arguments. 51 It is as in svr4.h but with -R added. */ 52 #undef SWITCH_TAKES_ARG 53 #define SWITCH_TAKES_ARG(CHAR) \ 54 (DEFAULT_SWITCH_TAKES_ARG(CHAR) \ 55 || (CHAR) == 'R' \ 56 || (CHAR) == 'h' \ 57 || (CHAR) == 'z') 58 59 #undef LOCAL_LABEL_PREFIX 60 #define LOCAL_LABEL_PREFIX "." 61 62 /* This is how to store into the string LABEL 63 the symbol_ref name of an internal numbered label where 64 PREFIX is the class of label and NUM is the number within the class. 65 This is suitable for output with `assemble_name'. */ 66 67 #undef ASM_GENERATE_INTERNAL_LABEL 68 #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \ 69 sprintf ((LABEL), "*.L%s%ld", (PREFIX), (long)(NUM)) 70 71 /* ??? Inherited from sol2.h. Probably wrong. */ 72 #undef WCHAR_TYPE 73 #define WCHAR_TYPE "long int" 74 75 #undef WCHAR_TYPE_SIZE 76 #define WCHAR_TYPE_SIZE BITS_PER_WORD 77 78 /* ??? until fixed. */ 79 #undef LONG_DOUBLE_TYPE_SIZE 80 #define LONG_DOUBLE_TYPE_SIZE 64 81