1 /* Definitions of target machine for GCC, for ELF on NetBSD/sparc 2 and NetBSD/sparc64. 3 Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc. 4 Contributed by Matthew Green (mrg@eterna.com.au). 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 #define TARGET_OS_CPP_BUILTINS() \ 24 do \ 25 { \ 26 NETBSD_OS_CPP_BUILTINS_ELF(); \ 27 if (TARGET_ARCH64) \ 28 { \ 29 builtin_define ("__sparc64__"); \ 30 builtin_define ("__sparc_v9__"); \ 31 builtin_define ("__sparcv9"); \ 32 } \ 33 else \ 34 builtin_define ("__sparc"); \ 35 builtin_define ("__sparc__"); \ 36 } \ 37 while (0) 38 39 /* Make sure these are undefined. */ 40 #undef MD_EXEC_PREFIX 41 #undef MD_STARTFILE_PREFIX 42 43 /* CPP defines used by all NetBSD targets. */ 44 #undef CPP_SUBTARGET_SPEC 45 #define CPP_SUBTARGET_SPEC "%(netbsd_cpp_spec)" 46 47 /* SIZE_TYPE and PTRDIFF_TYPE are wrong from sparc/sparc.h. */ 48 #undef SIZE_TYPE 49 #define SIZE_TYPE "long unsigned int" 50 51 #undef PTRDIFF_TYPE 52 #define PTRDIFF_TYPE "long int" 53 54 /* This is the char to use for continuation (in case we need to turn 55 continuation back on). */ 56 #undef DBX_CONTIN_CHAR 57 #define DBX_CONTIN_CHAR '?' 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 #undef USER_LABEL_PREFIX 72 #define USER_LABEL_PREFIX "" 73 74 #undef ASM_SPEC 75 #define ASM_SPEC "%{fpic|fPIC|fpie|fPIE:-K PIC} %{V} %{v:%{!V:-V}} \ 76 %{mlittle-endian:-EL} \ 77 %(asm_cpu) %(asm_arch) %(asm_relax)" 78 79 #undef STDC_0_IN_SYSTEM_HEADERS 80 81 /* Attempt to enable execute permissions on the stack. */ 82 #define ENABLE_EXECUTE_STACK NETBSD_ENABLE_EXECUTE_STACK 83 84 #undef TARGET_VERSION 85 #define TARGET_VERSION fprintf (stderr, " (%s)", TARGET_NAME); 86 87 /* Below here exists the merged NetBSD/sparc & NetBSD/sparc64 compiler 88 description, allowing one to build 32 bit or 64 bit applications 89 on either. We define the sparc & sparc64 versions of things, 90 occasionally a neutral version (should be the same as "netbsd-elf.h") 91 and then based on SPARC_BI_ARCH, DEFAULT_ARCH32_P, and TARGET_CPU_DEFAULT, 92 we choose the correct version. */ 93 94 /* We use the default NetBSD ELF STARTFILE_SPEC and ENDFILE_SPEC 95 definitions, even for the SPARC_BI_ARCH compiler, because NetBSD does 96 not have a default place to find these libraries.. */ 97 98 /* Name the port(s). */ 99 #define TARGET_NAME64 "NetBSD/sparc64 ELF" 100 #define TARGET_NAME32 "NetBSD/sparc ELF" 101 102 /* TARGET_CPU_DEFAULT is set in Makefile.in. We test for 64-bit default 103 platform here. */ 104 105 #if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \ 106 || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc 107 /* A 64 bit v9 compiler with stack-bias, 108 in a Medium/Low code model environment. */ 109 110 #undef TARGET_DEFAULT 111 #define TARGET_DEFAULT \ 112 (MASK_V9 + MASK_PTR64 + MASK_64BIT /* + MASK_HARD_QUAD */ \ 113 + MASK_STACK_BIAS + MASK_APP_REGS + MASK_FPU + MASK_LONG_DOUBLE_128) 114 115 #undef SPARC_DEFAULT_CMODEL 116 #define SPARC_DEFAULT_CMODEL CM_MEDANY 117 118 #endif 119 120 /* CC1_SPEC for NetBSD/sparc. */ 121 #define CC1_SPEC32 \ 122 "%{sun4:} %{target:} \ 123 %{mcypress:-mcpu=cypress} \ 124 %{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \ 125 %{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \ 126 %{m32:%{m64:%emay not use both -m32 and -m64}} \ 127 %{m64: \ 128 -mptr64 -mstack-bias -mno-v8plus -mlong-double-128 \ 129 %{!mcpu*: \ 130 %{!mcypress: \ 131 %{!msparclite: \ 132 %{!mf930: \ 133 %{!mf934: \ 134 %{!mv8*: \ 135 %{!msupersparc:-mcpu=ultrasparc}}}}}}} \ 136 %{!mno-vis:%{!mcpu=v9:-mvis}} \ 137 %{p:-mcmodel=medlow} \ 138 %{pg:-mcmodel=medlow}}" 139 140 #define CC1_SPEC64 \ 141 "%{sun4:} %{target:} \ 142 %{mcypress:-mcpu=cypress} \ 143 %{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \ 144 %{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \ 145 %{m32:%{m64:%emay not use both -m32 and -m64}} \ 146 %{m32: \ 147 -mptr32 -mno-stack-bias \ 148 %{!mlong-double-128:-mlong-double-64} \ 149 %{!mcpu*: \ 150 %{!mcypress: \ 151 %{!msparclite: \ 152 %{!mf930: \ 153 %{!mf934: \ 154 %{!mv8*: \ 155 %{!msupersparc:-mcpu=cypress}}}}}}}} \ 156 %{!m32: \ 157 %{p:-mcmodel=medlow} \ 158 %{pg:-mcmodel=medlow}}" 159 160 /* Make sure we use the right output format. Pick a default and then 161 make sure -m32/-m64 switch to the right one. */ 162 163 #define LINK_ARCH32_SPEC "-m elf32_sparc" 164 165 #define LINK_ARCH64_SPEC "-m elf64_sparc" 166 167 #define LINK_ARCH_SPEC \ 168 "%{m32:%(link_arch32)} \ 169 %{m64:%(link_arch64)} \ 170 %{!m32:%{!m64:%(link_arch_default)}}" 171 172 #undef LINK_SPEC 173 #define LINK_SPEC \ 174 "%(link_arch) \ 175 %{!mno-relax:%{!r:-relax}} \ 176 %(netbsd_link_spec)" 177 178 #define NETBSD_ENTRY_POINT "__start" 179 180 #if DEFAULT_ARCH32_P 181 #define LINK_ARCH_DEFAULT_SPEC LINK_ARCH32_SPEC 182 #else 183 #define LINK_ARCH_DEFAULT_SPEC LINK_ARCH64_SPEC 184 #endif 185 186 /* What extra spec entries do we need? */ 187 #undef SUBTARGET_EXTRA_SPECS 188 #define SUBTARGET_EXTRA_SPECS \ 189 { "link_arch32", LINK_ARCH32_SPEC }, \ 190 { "link_arch64", LINK_ARCH64_SPEC }, \ 191 { "link_arch_default", LINK_ARCH_DEFAULT_SPEC }, \ 192 { "link_arch", LINK_ARCH_SPEC }, \ 193 { "netbsd_cpp_spec", NETBSD_CPP_SPEC }, \ 194 { "netbsd_link_spec", NETBSD_LINK_SPEC_ELF }, \ 195 { "netbsd_entry_point", NETBSD_ENTRY_POINT }, 196 197 198 /* Build a compiler that supports -m32 and -m64? */ 199 200 #ifdef SPARC_BI_ARCH 201 202 #undef LONG_DOUBLE_TYPE_SIZE 203 #define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64) 204 205 #if defined(__arch64__) || defined(__LONG_DOUBLE_128__) 206 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128 207 #else 208 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64 209 #endif 210 211 #undef CC1_SPEC 212 #if DEFAULT_ARCH32_P 213 #define CC1_SPEC CC1_SPEC32 214 #else 215 #define CC1_SPEC CC1_SPEC64 216 #endif 217 218 #if DEFAULT_ARCH32_P 219 #define MULTILIB_DEFAULTS { "m32" } 220 #else 221 #define MULTILIB_DEFAULTS { "m64" } 222 #endif 223 224 /* Name the port. */ 225 #undef TARGET_NAME 226 #define TARGET_NAME (DEFAULT_ARCH32_P ? TARGET_NAME32 : TARGET_NAME64) 227 228 #else /* SPARC_BI_ARCH */ 229 230 #if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \ 231 || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc 232 233 #undef LONG_DOUBLE_TYPE_SIZE 234 #define LONG_DOUBLE_TYPE_SIZE 128 235 236 #undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE 237 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128 238 239 #undef CC1_SPEC 240 #define CC1_SPEC CC1_SPEC64 241 242 #undef TARGET_NAME 243 #define TARGET_NAME TARGET_NAME64 244 245 #else /* TARGET_CPU_DEFAULT == TARGET_CPU_v9 \ 246 || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc */ 247 248 /* A 32-bit only compiler. NetBSD don't support 128 bit `long double' 249 for 32-bit code, unlike Solaris. */ 250 251 #undef LONG_DOUBLE_TYPE_SIZE 252 #define LONG_DOUBLE_TYPE_SIZE 64 253 254 #undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE 255 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64 256 257 #undef CC1_SPEC 258 #define CC1_SPEC CC1_SPEC32 259 260 #undef TARGET_NAME 261 #define TARGET_NAME TARGET_NAME32 262 263 #endif /* TARGET_CPU_DEFAULT == TARGET_CPU_v9 \ 264 || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc */ 265 266 #endif /* SPARC_BI_ARCH */ 267 268 /* We use GNU ld so undefine this so that attribute((init_priority)) works. */ 269 #undef CTORS_SECTION_ASM_OP 270 #undef DTORS_SECTION_ASM_OP 271