1 /* Definitions of target machine for GCC, for SPARC64, ELF. 2 Copyright (C) 1994, 1995, 1996, 1997, 1998, 2000, 2004, 2005 3 Free Software Foundation, Inc. 4 Contributed by Doug Evans, dje@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 2, 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 COPYING. If not, write to 20 the Free Software Foundation, 51 Franklin Street, Fifth Floor, 21 Boston, MA 02110-1301, USA. */ 22 23 #undef TARGET_VERSION 24 #define TARGET_VERSION fprintf (stderr, " (sparc64-elf)") 25 26 /* A 64 bit v9 compiler in a Medium/Anywhere code model environment. */ 27 #undef TARGET_DEFAULT 28 #define TARGET_DEFAULT \ 29 (MASK_V9 + MASK_PTR64 + MASK_64BIT + MASK_HARD_QUAD \ 30 + MASK_APP_REGS + MASK_FPU + MASK_STACK_BIAS + MASK_LONG_DOUBLE_128) 31 32 #undef SPARC_DEFAULT_CMODEL 33 #define SPARC_DEFAULT_CMODEL CM_EMBMEDANY 34 35 /* Don't assume anything about the header files. */ 36 #define NO_IMPLICIT_EXTERN_C 37 38 /* __svr4__ is used by the C library (FIXME) */ 39 #undef CPP_SUBTARGET_SPEC 40 #define CPP_SUBTARGET_SPEC "-D__svr4__" 41 42 #undef MD_EXEC_PREFIX 43 #undef MD_STARTFILE_PREFIX 44 45 #undef ASM_SPEC 46 #define ASM_SPEC "\ 47 %{v:-V} -s %{fpic|fPIC|fpie|fPIE:-K PIC} \ 48 %{mlittle-endian:-EL} \ 49 %(asm_cpu) %(asm_arch) \ 50 " 51 52 /* This is taken from sol2.h. */ 53 #undef LINK_SPEC 54 #define LINK_SPEC "\ 55 %{v:-V} \ 56 %{mlittle-endian:-EL} \ 57 " 58 59 /* We need something a little simpler for the embedded environment. 60 Profiling doesn't really work yet so we just copy the default. */ 61 #undef STARTFILE_SPEC 62 #define STARTFILE_SPEC "\ 63 %{!shared:%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}} \ 64 crtbegin.o%s \ 65 " 66 67 #undef ENDFILE_SPEC 68 #define ENDFILE_SPEC \ 69 "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \ 70 crtend.o%s" 71 72 /* Use the default (for now). */ 73 #undef LIB_SPEC 74 75 /* This defines which switch letters take arguments. 76 It is as in svr4.h but with -R added. */ 77 #undef SWITCH_TAKES_ARG 78 #define SWITCH_TAKES_ARG(CHAR) \ 79 (DEFAULT_SWITCH_TAKES_ARG(CHAR) \ 80 || (CHAR) == 'R' \ 81 || (CHAR) == 'h' \ 82 || (CHAR) == 'z') 83 84 #undef BYTES_BIG_ENDIAN 85 #define BYTES_BIG_ENDIAN (! TARGET_LITTLE_ENDIAN) 86 87 #undef WORDS_BIG_ENDIAN 88 #define WORDS_BIG_ENDIAN (! TARGET_LITTLE_ENDIAN) 89 90 #undef LOCAL_LABEL_PREFIX 91 #define LOCAL_LABEL_PREFIX "." 92 93 /* This is how to store into the string LABEL 94 the symbol_ref name of an internal numbered label where 95 PREFIX is the class of label and NUM is the number within the class. 96 This is suitable for output with `assemble_name'. */ 97 98 #undef ASM_GENERATE_INTERNAL_LABEL 99 #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \ 100 sprintf ((LABEL), "*.L%s%ld", (PREFIX), (long)(NUM)) 101 102 /* ??? This should be 32 bits for v9 but what can we do? */ 103 #undef WCHAR_TYPE 104 #define WCHAR_TYPE "short unsigned int" 105 106 #undef WCHAR_TYPE_SIZE 107 #define WCHAR_TYPE_SIZE 16 108 109 #undef LONG_DOUBLE_TYPE_SIZE 110 #define LONG_DOUBLE_TYPE_SIZE 128 111 112 /* The medium/anywhere code model practically requires us to put jump tables 113 in the text section as gcc is unable to distinguish LABEL_REF's of jump 114 tables from other label refs (when we need to). */ 115 /* But we now defer the tables to the end of the function, so we make 116 this 0 to not confuse the branch shortening code. */ 117 #undef JUMP_TABLES_IN_TEXT_SECTION 118 #define JUMP_TABLES_IN_TEXT_SECTION 0 119