gcc/config/sparc/netbsd-elf.h

   1 /* Definitions of target machine for GNU compiler, for ELF on NetBSD/sparc
   2    and NetBSD/sparc64.
   3    Copyright (C) 2002 Free Software Foundation, Inc.
   4    Contributed by Matthew Green (mrg@eterna.com.au).
   5
   6 This file is part of GNU CC.
   7
   8 GNU CC 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 GNU CC 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 GNU CC; see the file COPYING.  If not, write to
  20 the Free Software Foundation, 59 Temple Place - Suite 330,
  21 Boston, MA 02111-1307, USA.  */
  22
  23 /* Make sure these are undefined.  */
  24 #undef MD_EXEC_PREFIX
  25 #undef MD_STARTFILE_PREFIX
  26
  27 #undef CPP_PREDEFINES
  28 #define CPP_PREDEFINES "-D__sparc__ -D__NetBSD__ -D__ELF__ \
  29 -Asystem=unix -Asystem=NetBSD"
  30
  31 /* CPP defines used for 64 bit code.  */
  32 #undef CPP_SUBTARGET_SPEC64
  33 #define CPP_SUBTARGET_SPEC64 \
  34   "-D__sparc64__ -D__arch64__ -D__sparc_v9__ %{posix:-D_POSIX_SOURCE}"
  35
  36 /* CPP defines used for 32 bit code.  */
  37 #undef CPP_SUBTARGET_SPEC32
  38 #define CPP_SUBTARGET_SPEC32 "-D__sparc %{posix:-D_POSIX_SOURCE}"
  39
  40 /* SIZE_TYPE and PTRDIFF_TYPE are wrong from sparc/sparc.h.  */
  41 #undef SIZE_TYPE
  42 #define SIZE_TYPE "long unsigned int"
  43
  44 #undef PTRDIFF_TYPE
  45 #define PTRDIFF_TYPE "long int"
  46
  47 #undef PREFERRED_DEBUGGING_TYPE
  48 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
  49
  50 /* This is the char to use for continuation (in case we need to turn
  51    continuation back on).  */
  52 #undef DBX_CONTIN_CHAR
  53 #define DBX_CONTIN_CHAR '?'
  54
  55 #undef DBX_REGISTER_NUMBER
  56 #define DBX_REGISTER_NUMBER(REGNO) \
  57   (TARGET_FLAT && REGNO == HARD_FRAME_POINTER_REGNUM ? 31 : REGNO)
  58
  59 #undef  LOCAL_LABEL_PREFIX
  60 #define LOCAL_LABEL_PREFIX  "."
  61
  62 /* This is how to output a definition of an internal numbered label where
  63    PREFIX is the class of label and NUM is the number within the class.  */
  64
  65 #undef  ASM_OUTPUT_INTERNAL_LABEL
  66 #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM)      \
  67   fprintf (FILE, ".L%s%d:\n", PREFIX, NUM)
  68
  69 /* This is how to output a reference to an internal numbered label where
  70    PREFIX is the class of label and NUM is the number within the class.  */
  71
  72 #undef  ASM_OUTPUT_INTERNAL_LABELREF
  73 #define ASM_OUTPUT_INTERNAL_LABELREF(FILE,PREFIX,NUM)   \
  74   fprintf (FILE, ".L%s%d", PREFIX, NUM)
  75
  76 /* This is how to store into the string LABEL
  77    the symbol_ref name of an internal numbered label where
  78    PREFIX is the class of label and NUM is the number within the class.
  79    This is suitable for output with `assemble_name'.  */
  80
  81 #undef  ASM_GENERATE_INTERNAL_LABEL
  82 #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM)   \
  83   sprintf ((LABEL), "*.L%s%ld", (PREFIX), (long)(NUM))
  84
  85 #undef USER_LABEL_PREFIX
  86 #define USER_LABEL_PREFIX ""
  87
  88 #undef ASM_SPEC
  89 #define ASM_SPEC "%{fpic:-K PIC} %{fPIC:-K PIC} %{V} %{v:%{!V:-V}} \
  90 %{mlittle-endian:-EL} \
  91 %(asm_cpu) %(asm_arch) %(asm_relax)"
  92
  93 #undef STDC_0_IN_SYSTEM_HEADERS
  94
  95 #undef TARGET_VERSION
  96 #define TARGET_VERSION fprintf (stderr, " (%s)", TARGET_NAME);
  97
  98 /*
  99  * Clean up afterwards generic SPARC ELF configuration.
 100  */
 101
 102 #undef TRANSFER_FROM_TRAMPOLINE
 103 #define TRANSFER_FROM_TRAMPOLINE
 104
 105 /* FIXME: Aren't these supposed to be available for SPARC ELF?  */
 106 #undef MULDI3_LIBCALL
 107 #undef DIVDI3_LIBCALL
 108 #undef UDIVDI3_LIBCALL
 109 #undef MODDI3_LIBCALL
 110 #undef UMODDI3_LIBCALL
 111 #undef INIT_SUBTARGET_OPTABS
 112 #define INIT_SUBTARGET_OPTABS
 113
 114 /* Below here exists the merged NetBSD/sparc & NetBSD/sparc64 compiler
 115    description, allowing one to build 32 bit or 64 bit applications
 116    on either.  We define the sparc & sparc64 versions of things,
 117    occasionally a neutral version (should be the same as "netbsd-elf.h")
 118    and then based on SPARC_BI_ARCH, DEFAULT_ARCH32_P, and TARGET_CPU_DEFAULT,
 119    we choose the correct version.  */
 120
 121 /* We use the default NetBSD ELF STARTFILE_SPEC and ENDFILE_SPEC
 122    definitions, even for the SPARC_BI_ARCH compiler, because NetBSD does
 123    not have a default place to find these libraries..  */
 124
 125 /* Name the port(s).  */
 126 #define TARGET_NAME64     "NetBSD/sparc64 ELF"
 127 #define TARGET_NAME32     "NetBSD/sparc ELF"
 128
 129 /* TARGET_CPU_DEFAULT is set in Makefile.in.  We test for 64-bit default
 130    platform here.  */
 131
 132 #if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
 133  || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
 134 /* A 64 bit v9 compiler with stack-bias,
 135    in a Medium/Low code model environment.  */
 136
 137 #undef TARGET_DEFAULT
 138 #define TARGET_DEFAULT \
 139   (MASK_V9 + MASK_PTR64 + MASK_64BIT /* + MASK_HARD_QUAD */ \
 140  + MASK_STACK_BIAS + MASK_APP_REGS + MASK_EPILOGUE + MASK_FPU \
 141  + MASK_LONG_DOUBLE_128)
 142
 143 #undef SPARC_DEFAULT_CMODEL
 144 #define SPARC_DEFAULT_CMODEL CM_MEDANY
 145
 146 #endif
 147
 148 /* CC1_SPEC for NetBSD/sparc.  */
 149 #define CC1_SPEC32 \
 150  "%{sun4:} %{target:} \
 151   %{mcypress:-mcpu=cypress} \
 152   %{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
 153   %{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
 154   %{m64: \
 155     -mptr64 -mstack-bias -mno-v8plus -mlong-double-128 \
 156     %{!mcpu*: \
 157       %{!mcypress: \
 158         %{!msparclite: \
 159           %{!mf930: \
 160             %{!mf934: \
 161               %{!mv8*: \
 162                 %{!msupersparc:-mcpu=ultrasparc}}}}}}} \
 163     %{!mno-vis:%{!mcpu=v9:-mvis}} \
 164     %{p:-mcmodel=medlow} \
 165     %{pg:-mcmodel=medlow}}"
 166
 167 #define CC1_SPEC64 \
 168  "%{sun4:} %{target:} \
 169   %{mcypress:-mcpu=cypress} \
 170   %{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
 171   %{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
 172   %{m32: \
 173     -mptr32 -mno-stack-bias \
 174     %{!mlong-double-128:-mlong-double-64} \
 175     %{!mcpu*: \
 176       %{!mcypress: \
 177         %{!msparclite: \
 178           %{!mf930: \
 179             %{!mf934: \
 180               %{!mv8*: \
 181                 %{!msupersparc:-mcpu=cypress}}}}}}}} \
 182   %{!m32: \
 183     %{p:-mcmodel=medlow} \
 184     %{pg:-mcmodel=medlow}}"
 185
 186 /* Make sure we use the right output format.  Pick a default and then
 187    make sure -m32/-m64 switch to the right one.  */
 188
 189 #define LINK_ARCH32_SPEC \
 190  "%-m elf32_sparc \
 191   %{assert*} %{R*} %{V} %{v:%{!V:-V}} \
 192   %{shared:-shared} \
 193   %{!shared: \
 194     -dp \
 195     %{!nostdlib:%{!r*:%{!e*:-e __start}}} \
 196     %{!static: \
 197       -dy %{rdynamic:-export-dynamic} \
 198       %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}} \
 199     %{static:-static}}"
 200
 201 #define LINK_ARCH64_SPEC \
 202  "%-m elf64_sparc \
 203   %{assert*} %{R*} %{V} %{v:%{!V:-V}} \
 204   %{shared:-shared} \
 205   %{!shared: \
 206     -dp \
 207     %{!nostdlib:%{!r*:%{!e*:-e __start}}} \
 208     %{!static: \
 209       -dy %{rdynamic:-export-dynamic} \
 210       %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}} \
 211     %{static:-static}}"
 212
 213 #define LINK_ARCH_SPEC "\
 214 %{m32:%(link_arch32)} \
 215 %{m64:%(link_arch64)} \
 216 %{!m32:%{!m64:%(link_arch_default)}} \
 217 "
 218
 219 #if DEFAULT_ARCH32_P
 220 #define LINK_ARCH_DEFAULT_SPEC LINK_ARCH32_SPEC
 221 #else
 222 #define LINK_ARCH_DEFAULT_SPEC LINK_ARCH64_SPEC
 223 #endif
 224
 225 /* What extra spec entries do we need?  */
 226 #undef SUBTARGET_EXTRA_SPECS
 227 #define SUBTARGET_EXTRA_SPECS \
 228   { "link_arch32",              LINK_ARCH32_SPEC }, \
 229   { "link_arch64",              LINK_ARCH64_SPEC }, \
 230   { "link_arch_default",        LINK_ARCH_DEFAULT_SPEC }, \
 231   { "link_arch",                LINK_ARCH_SPEC }, \
 232   { "cpp_subtarget_spec32",     CPP_SUBTARGET_SPEC32 }, \
 233   { "cpp_subtarget_spec64",     CPP_SUBTARGET_SPEC64 },
 234
 235
 236 /* What extra switches do we need?  */
 237 #undef  SUBTARGET_SWITCHES
 238 #define SUBTARGET_SWITCHES \
 239   {"long-double-64", -MASK_LONG_DOUBLE_128, N_("Use 64 bit long doubles") }, \
 240   {"long-double-128", MASK_LONG_DOUBLE_128, N_("Use 128 bit long doubles") },
 241
 242
 243 /* Build a compiler that supports -m32 and -m64?  */
 244
 245 #ifdef SPARC_BI_ARCH
 246
 247 #undef LONG_DOUBLE_TYPE_SIZE
 248 #define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64)
 249
 250 #undef MAX_LONG_DOUBLE_TYPE_SIZE
 251 #define MAX_LONG_DOUBLE_TYPE_SIZE 128
 252
 253 #if defined(__arch64__) || defined(__LONG_DOUBLE_128__)
 254 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
 255 #else
 256 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
 257 #endif
 258
 259 #undef  CC1_SPEC
 260 #if DEFAULT_ARCH32_P
 261 #define CC1_SPEC CC1_SPEC32
 262 #else
 263 #define CC1_SPEC CC1_SPEC64
 264 #endif
 265
 266 #if DEFAULT_ARCH32_P
 267 #define MULTILIB_DEFAULTS { "m32" }
 268 #else
 269 #define MULTILIB_DEFAULTS { "m64" }
 270 #endif
 271
 272 #undef CPP_SUBTARGET_SPEC
 273 #if DEFAULT_ARCH32_P
 274 #define CPP_SUBTARGET_SPEC \
 275   "%{m64:%(cpp_subtarget_spec64)}%{!m64:%(cpp_subtarget_spec32)}"
 276 #else
 277 #define CPP_SUBTARGET_SPEC \
 278   "%{!m32:%(cpp_subtarget_spec64)}%{m32:%(cpp_subtarget_spec32)}"
 279 #endif
 280
 281 /* Restore this from sparc/sparc.h, netbsd.h changes it.  */
 282 #undef CPP_SPEC
 283 #define CPP_SPEC "%(cpp_cpu) %(cpp_arch) %(cpp_endian) %(cpp_subtarget)"
 284
 285 /* Name the port. */
 286 #undef TARGET_NAME
 287 #define TARGET_NAME     (DEFAULT_ARCH32_P ? TARGET_NAME32 : TARGET_NAME64)
 288
 289 #else   /* SPARC_BI_ARCH */
 290
 291 #if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
 292  || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
 293
 294 #undef LONG_DOUBLE_TYPE_SIZE
 295 #define LONG_DOUBLE_TYPE_SIZE 128
 296
 297 #undef MAX_LONG_DOUBLE_TYPE_SIZE
 298 #define MAX_LONG_DOUBLE_TYPE_SIZE 128
 299
 300 #undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
 301 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
 302
 303 #undef  CC1_SPEC
 304 #define CC1_SPEC CC1_SPEC64
 305
 306 #undef CPP_SUBTARGET_SPEC
 307 #define CPP_SUBTARGET_SPEC CPP_SUBTARGET_SPEC64
 308
 309 #undef TARGET_NAME
 310 #define TARGET_NAME     TARGET_NAME64
 311
 312 #else   /* TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
 313         || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc */
 314
 315 /* A 32-bit only compiler.  NetBSD don't support 128 bit `long double'
 316    for 32-bit code, unlike Solaris.  */
 317
 318 #undef LONG_DOUBLE_TYPE_SIZE
 319 #define LONG_DOUBLE_TYPE_SIZE 64
 320
 321 #undef MAX_LONG_DOUBLE_TYPE_SIZE
 322 #define MAX_LONG_DOUBLE_TYPE_SIZE 64
 323
 324 #undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
 325 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
 326
 327 #undef CPP_SUBTARGET_SPEC
 328 #define CPP_SUBTARGET_SPEC CPP_SUBTARGET_SPEC32
 329
 330 #undef  CC1_SPEC
 331 #define CC1_SPEC CC1_SPEC32
 332
 333 #undef TARGET_NAME
 334 #define TARGET_NAME     TARGET_NAME32
 335
 336 #endif  /* TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
 337         || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc */
 338
 339 #endif  /* SPARC_BI_ARCH */