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 6This file is part of GCC. 7 8GCC is free software; you can redistribute it and/or modify 9it under the terms of the GNU General Public License as published by 10the Free Software Foundation; either version 2, or (at your option) 11any later version. 12 13GCC is distributed in the hope that it will be useful, 14but WITHOUT ANY WARRANTY; without even the implied warranty of 15MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16GNU General Public License for more details. 17 18You should have received a copy of the GNU General Public License 19along with GCC; see the file COPYING. If not, write to 20the Free Software Foundation, 51 Franklin Street, Fifth Floor, 21Boston, 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}}} \ 64crtbegin.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