freebsd.h revision 96263
1/* Definitions for Sun Sparc64 running FreeBSD using the ELF format 2 Copyright (C) 2001, 2002 Free Software Foundation, Inc. 3 Contributed by David E. O'Brien <obrien@FreeBSD.org> and BSDi. 4 5This file is part of GNU CC. 6 7GNU CC is free software; you can redistribute it and/or modify 8it under the terms of the GNU General Public License as published by 9the Free Software Foundation; either version 2, or (at your option) 10any later version. 11 12GNU CC is distributed in the hope that it will be useful, 13but WITHOUT ANY WARRANTY; without even the implied warranty of 14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15GNU General Public License for more details. 16 17You should have received a copy of the GNU General Public License 18along with GNU CC; see the file COPYING. If not, write to 19the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ 20 21/* FreeBSD needs's the platform name (sparc64) defined. */ 22 23#undef CPP_CPU64_DEFAULT_SPEC 24#define CPP_CPU64_DEFAULT_SPEC "-D__sparc64__ -D__sparc_v9__" 25 26#undef CPP_PREDEFINES 27#define CPP_PREDEFINES FBSD_CPP_PREDEFINES 28 29#define LINK_SPEC "%(link_arch) \ 30 %{!mno-relax:%{!r:-relax}} \ 31 %{p:%e`-p' not supported; use `-pg' and gprof(1)} \ 32 %{Wl,*:%*} \ 33 %{assert*} %{R*} %{rpath*} %{defsym*} \ 34 %{shared:-Bshareable %{h*} %{soname*}} \ 35 %{symbolic:-Bsymbolic} \ 36 %{!shared: \ 37 %{!static: \ 38 %{rdynamic:-export-dynamic} \ 39 %{!dynamic-linker:-dynamic-linker /usr/libexec/ld-elf.so.1}} \ 40 %{static:-Bstatic}}" 41 42 43/************************[ Target stuff ]***********************************/ 44 45/* Define the actual types of some ANSI-mandated types. 46 Needs to agree with <machine/ansi.h>. GCC defaults come from c-decl.c, 47 c-common.c, and config/<arch>/<arch>.h. */ 48 49/* Earlier headers may get this wrong for FreeBSD. 50 We use the GCC defaults instead. */ 51#undef WCHAR_TYPE 52 53#undef WCHAR_UNSIGNED 54#define WCHAR_UNSIGNED 0 55 56#undef WCHAR_TYPE_SIZE 57#define WCHAR_TYPE_SIZE 32 58 59/* Define for support of TFmode long double and REAL_ARITHMETIC. 60 Sparc ABI says that long double is 4 words. */ 61#undef LONG_DOUBLE_TYPE_SIZE 62#define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64) 63 64/* Constant which presents upper bound of the above value. */ 65#undef MAX_LONG_DOUBLE_TYPE_SIZE 66#define MAX_LONG_DOUBLE_TYPE_SIZE 128 67 68/* Define this to set long double type size to use in libgcc2.c, which can 69 not depend on target_flags. */ 70#if defined(__arch64__) || defined(__LONG_DOUBLE_128__) 71#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128 72#else 73#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64 74#endif 75 76/* Definitions for 64-bit SPARC running systems with ELF. */ 77 78#undef SUBTARGET_SWITCHES 79#define SUBTARGET_SWITCHES \ 80 {"long-double-64", -MASK_LONG_DOUBLE_128, N_("Use 64 bit long doubles") }, \ 81 {"long-double-128", MASK_LONG_DOUBLE_128, N_("Use 128 bit long doubles") }, 82 83#undef TARGET_VERSION 84#define TARGET_VERSION fprintf (stderr, " (FreeBSD/sparc64 ELF)"); 85 86#define TARGET_ELF 1 87 88/* XXX */ 89/* A 64 bit v9 compiler with stack-bias, 90 in a Medium/mid code model environment. */ 91 92#undef TARGET_DEFAULT 93#define TARGET_DEFAULT \ 94 (MASK_V9 + MASK_64BIT + MASK_PTR64 /* + MASK_FASTER_STRUCTS */ \ 95 + MASK_STACK_BIAS + MASK_APP_REGS + MASK_FPU \ 96 + MASK_LONG_DOUBLE_128 /* + MASK_HARD_QUAD */) 97 98/* The default code model. */ 99#undef SPARC_DEFAULT_CMODEL 100#define SPARC_DEFAULT_CMODEL CM_MEDLOW 101 102 103/************************[ Assembler stuff ]********************************/ 104 105#undef LOCAL_LABEL_PREFIX 106#define LOCAL_LABEL_PREFIX "." 107 108/* XXX2 */ 109/* This is how to output a definition of an internal numbered label where 110 PREFIX is the class of label and NUM is the number within the class. */ 111 112#undef ASM_OUTPUT_INTERNAL_LABEL 113#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \ 114 fprintf (FILE, ".L%s%d:\n", PREFIX, NUM) 115 116/* XXX2 */ 117/* This is how to output a reference to an internal numbered label where 118 PREFIX is the class of label and NUM is the number within the class. */ 119 120#undef ASM_OUTPUT_INTERNAL_LABELREF 121#define ASM_OUTPUT_INTERNAL_LABELREF(FILE,PREFIX,NUM) \ 122 fprintf (FILE, ".L%s%d", PREFIX, NUM) 123 124/* XXX2 */ 125/* This is how to store into the string LABEL 126 the symbol_ref name of an internal numbered label where 127 PREFIX is the class of label and NUM is the number within the class. 128 This is suitable for output with `assemble_name'. */ 129 130#undef ASM_GENERATE_INTERNAL_LABEL 131#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \ 132 sprintf (LABEL, "*.L%s%d", PREFIX, NUM) 133 134 135/************************[ Debugger stuff ]*********************************/ 136 137/* This is the char to use for continuation (in case we need to turn 138 continuation back on). */ 139 140#undef DBX_CONTIN_CHAR 141#define DBX_CONTIN_CHAR '?' 142 143/* DWARF bits. */ 144 145/* Follow Irix 6 and not the Dwarf2 draft in using 64-bit offsets. 146 Obviously the Dwarf2 folks havn't tried to actually build systems 147 with their spec. On a 64-bit system, only 64-bit relocs become 148 RELATIVE relocations. */ 149 150/* #define DWARF_OFFSET_SIZE PTR_SIZE */ 151 152#undef ENDFILE_SPEC 153#define ENDFILE_SPEC \ 154 "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s}" \ 155 FBSD_ENDFILE_SPEC 156 157/* We use GNU ld so undefine this so that attribute((init_priority)) works. */ 158#undef CTORS_SECTION_ASM_OP 159#undef DTORS_SECTION_ASM_OP 160