gcc/config/rs6000/sysv4.h

   1 /* Target definitions for GNU compiler for PowerPC running System V.4
   2    Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
   3    Free Software Foundation, Inc.
   4    Contributed by Cygnus Support.
   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
  24 /* Header files should be C++ aware in general.  */
  25 #define NO_IMPLICIT_EXTERN_C
  26
  27 /* Yes!  We are ELF.  */
  28 #define TARGET_OBJECT_FORMAT OBJECT_ELF
  29
  30 /* Default ABI to compile code for.  */
  31 #define DEFAULT_ABI rs6000_current_abi
  32
  33 /* Default ABI to use.  */
  34 #define RS6000_ABI_NAME "sysv"
  35
  36 /* Override rs6000.h definition.  */
  37 #undef  ASM_DEFAULT_SPEC
  38 #define ASM_DEFAULT_SPEC "-mppc"
  39
  40 /* Small data support types.  */
  41 enum rs6000_sdata_type {
  42   SDATA_NONE,                   /* No small data support.  */
  43   SDATA_DATA,                   /* Just put data in .sbss/.sdata, don't use relocs.  */
  44   SDATA_SYSV,                   /* Use r13 to point to .sdata/.sbss.  */
  45   SDATA_EABI                    /* Use r13 like above, r2 points to .sdata2/.sbss2.  */
  46 };
  47
  48 extern enum rs6000_sdata_type rs6000_sdata;
  49
  50 /* V.4/eabi switches.  */
  51 #define MASK_NO_BITFIELD_TYPE   0x40000000      /* Set PCC_BITFIELD_TYPE_MATTERS to 0.  */
  52 #define MASK_STRICT_ALIGN       0x20000000      /* Set STRICT_ALIGNMENT to 1.  */
  53 #define MASK_RELOCATABLE        0x10000000      /* GOT pointers are PC relative.  */
  54 #define MASK_EABI               0x08000000      /* Adhere to eabi, not System V spec.  */
  55 #define MASK_LITTLE_ENDIAN      0x04000000      /* Target is little endian.  */
  56 #define MASK_REGNAMES           0x02000000      /* Use alternate register names.  */
  57 #define MASK_PROTOTYPE          0x01000000      /* Only prototyped fcns pass variable args.  */
  58 #define MASK_NO_BITFIELD_WORD   0x00800000      /* Bitfields cannot cross word boundaries */
  59
  60 #define TARGET_NO_BITFIELD_TYPE (target_flags & MASK_NO_BITFIELD_TYPE)
  61 #define TARGET_STRICT_ALIGN     (target_flags & MASK_STRICT_ALIGN)
  62 #define TARGET_RELOCATABLE      (target_flags & MASK_RELOCATABLE)
  63 #define TARGET_EABI             (target_flags & MASK_EABI)
  64 #define TARGET_LITTLE_ENDIAN    (target_flags & MASK_LITTLE_ENDIAN)
  65 #define TARGET_REGNAMES         (target_flags & MASK_REGNAMES)
  66 #define TARGET_PROTOTYPE        (target_flags & MASK_PROTOTYPE)
  67 #define TARGET_NO_BITFIELD_WORD (target_flags & MASK_NO_BITFIELD_WORD)
  68 #define TARGET_TOC              ((target_flags & MASK_64BIT)            \
  69                                  || ((target_flags & (MASK_RELOCATABLE  \
  70                                                       | MASK_MINIMAL_TOC)) \
  71                                      && flag_pic > 1)                   \
  72                                  || DEFAULT_ABI == ABI_AIX)
  73
  74 #define TARGET_BITFIELD_TYPE    (! TARGET_NO_BITFIELD_TYPE)
  75 #define TARGET_BIG_ENDIAN       (! TARGET_LITTLE_ENDIAN)
  76 #define TARGET_NO_PROTOTYPE     (! TARGET_PROTOTYPE)
  77 #define TARGET_NO_TOC           (! TARGET_TOC)
  78 #define TARGET_NO_EABI          (! TARGET_EABI)
  79
  80 /* Strings provided by SUBTARGET_OPTIONS */
  81 extern const char *rs6000_abi_name;
  82 extern const char *rs6000_sdata_name;
  83
  84 /* Override rs6000.h definition.  */
  85 #undef  SUBTARGET_OPTIONS
  86 #define SUBTARGET_OPTIONS                                               \
  87   { "call-",  &rs6000_abi_name, N_("Select ABI calling convention") },  \
  88   { "sdata=", &rs6000_sdata_name, N_("Select method for sdata handling") }
  89
  90 /* Max # of bytes for variables to automatically be put into the .sdata
  91    or .sdata2 sections.  */
  92 extern int g_switch_value;              /* Value of the -G xx switch.  */
  93 extern int g_switch_set;                /* Whether -G xx was passed.  */
  94
  95 #define SDATA_DEFAULT_SIZE 8
  96
  97 /* Note, V.4 no longer uses a normal TOC, so make -mfull-toc, be just
  98    the same as -mminimal-toc.  */
  99 /* Override rs6000.h definition.  */
 100 #undef  SUBTARGET_SWITCHES
 101 #define SUBTARGET_SWITCHES                                              \
 102   { "bit-align",        -MASK_NO_BITFIELD_TYPE,                         \
 103     N_("Align to the base type of the bit-field") },                    \
 104   { "no-bit-align",      MASK_NO_BITFIELD_TYPE,                         \
 105     N_("Don't align to the base type of the bit-field") },              \
 106   { "strict-align",      MASK_STRICT_ALIGN,                             \
 107     N_("Don't assume that unaligned accesses are handled by the system") }, \
 108   { "no-strict-align",  -MASK_STRICT_ALIGN,                             \
 109     N_("Assume that unaligned accesses are handled by the system") },   \
 110   { "relocatable",       MASK_RELOCATABLE | MASK_MINIMAL_TOC | MASK_NO_FP_IN_TOC, \
 111     N_("Produce code relocatable at runtime") },                        \
 112   { "no-relocatable",   -MASK_RELOCATABLE,                              \
 113     N_("Don't produce code relocatable at runtime") },                  \
 114   { "relocatable-lib",   MASK_RELOCATABLE | MASK_MINIMAL_TOC | MASK_NO_FP_IN_TOC, \
 115     N_("Produce code relocatable at runtime") },                        \
 116   { "no-relocatable-lib", -MASK_RELOCATABLE,                            \
 117     N_("Don't produce code relocatable at runtime") },                  \
 118   { "little-endian",     MASK_LITTLE_ENDIAN,                            \
 119     N_("Produce little endian code") },                                 \
 120   { "little",            MASK_LITTLE_ENDIAN,                            \
 121     N_("Produce little endian code") },                                 \
 122   { "big-endian",       -MASK_LITTLE_ENDIAN,                            \
 123     N_("Produce big endian code") },                                    \
 124   { "big",              -MASK_LITTLE_ENDIAN,                            \
 125     N_("Produce big endian code") },                                    \
 126   { "no-toc",            0, N_("no description yet") },                 \
 127   { "toc",               MASK_MINIMAL_TOC, N_("no description yet") },  \
 128   { "full-toc",          MASK_MINIMAL_TOC, N_("no description yet") },  \
 129   { "prototype",         MASK_PROTOTYPE, N_("no description yet") },    \
 130   { "no-prototype",     -MASK_PROTOTYPE, N_("no description yet") },    \
 131   { "no-traceback",      0, N_("no description yet") },                 \
 132   { "eabi",              MASK_EABI, N_("Use EABI") },                   \
 133   { "no-eabi",          -MASK_EABI, N_("Don't use EABI") },             \
 134   { "bit-word",         -MASK_NO_BITFIELD_WORD, "" },                   \
 135   { "no-bit-word",       MASK_NO_BITFIELD_WORD,                         \
 136     N_("Do not allow bit-fields to cross word boundaries") },           \
 137   { "regnames",           MASK_REGNAMES,                                \
 138     N_("Use alternate register names") },                               \
 139   { "no-regnames",       -MASK_REGNAMES,                                \
 140     N_("Don't use alternate register names") },                         \
 141   { "sdata",             0, N_("no description yet") },                 \
 142   { "no-sdata",          0, N_("no description yet") },                 \
 143   { "sim",               0,                                             \
 144     N_("Link with libsim.a, libc.a and sim-crt0.o") },                  \
 145   { "ads",               0,                                             \
 146     N_("Link with libads.a, libc.a and crt0.o") },                      \
 147   { "yellowknife",       0,                                             \
 148     N_("Link with libyk.a, libc.a and crt0.o") },                       \
 149   { "mvme",              0,                                             \
 150     N_("Link with libmvme.a, libc.a and crt0.o") },                     \
 151   { "emb",               0,                                             \
 152     N_("Set the PPC_EMB bit in the ELF flags header") },                \
 153   { "windiss",           0, N_("Use the WindISS simulator") },          \
 154   { "shlib",             0, N_("no description yet") },                 \
 155   EXTRA_SUBTARGET_SWITCHES                                              \
 156   { "newlib",            0, N_("no description yet") },
 157
 158 /* This is meant to be redefined in the host dependent files.  */
 159 #define EXTRA_SUBTARGET_SWITCHES
 160
 161 /* Sometimes certain combinations of command options do not make sense
 162    on a particular target machine.  You can define a macro
 163    `OVERRIDE_OPTIONS' to take account of this.  This macro, if
 164    defined, is executed once just after all the command options have
 165    been parsed.
 166
 167    The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to
 168    get control.  */
 169
 170 #define SUBTARGET_OVERRIDE_OPTIONS                                      \
 171 do {                                                                    \
 172   if (!g_switch_set)                                                    \
 173     g_switch_value = SDATA_DEFAULT_SIZE;                                \
 174                                                                         \
 175   if (!strcmp (rs6000_abi_name, "sysv"))                                \
 176     rs6000_current_abi = ABI_V4;                                        \
 177   else if (!strcmp (rs6000_abi_name, "sysv-noeabi"))                    \
 178     {                                                                   \
 179       rs6000_current_abi = ABI_V4;                                      \
 180       target_flags &= ~ MASK_EABI;                                      \
 181     }                                                                   \
 182   else if (!strcmp (rs6000_abi_name, "sysv-eabi")                       \
 183            || !strcmp (rs6000_abi_name, "eabi"))                        \
 184     {                                                                   \
 185       rs6000_current_abi = ABI_V4;                                      \
 186       target_flags |= MASK_EABI;                                        \
 187     }                                                                   \
 188   else if (!strcmp (rs6000_abi_name, "aix"))                            \
 189     {                                                                   \
 190       rs6000_current_abi = ABI_AIX_NODESC;                              \
 191       target_flags |= MASK_EABI;                                        \
 192     }                                                                   \
 193   else if (!strcmp (rs6000_abi_name, "aixdesc"))                        \
 194     rs6000_current_abi = ABI_AIX;                                       \
 195   else if (!strcmp (rs6000_abi_name, "freebsd"))                        \
 196     rs6000_current_abi = ABI_V4;                                        \
 197   else if (!strcmp (rs6000_abi_name, "linux"))                          \
 198     rs6000_current_abi = ABI_V4;                                        \
 199   else if (!strcmp (rs6000_abi_name, "gnu"))                            \
 200     rs6000_current_abi = ABI_V4;                                        \
 201   else if (!strcmp (rs6000_abi_name, "netbsd"))                         \
 202     rs6000_current_abi = ABI_V4;                                        \
 203   else if (!strcmp (rs6000_abi_name, "i960-old"))                       \
 204     {                                                                   \
 205       rs6000_current_abi = ABI_V4;                                      \
 206       target_flags |= (MASK_LITTLE_ENDIAN | MASK_EABI                   \
 207                        | MASK_NO_BITFIELD_WORD);                        \
 208       target_flags &= ~MASK_STRICT_ALIGN;                               \
 209     }                                                                   \
 210   else                                                                  \
 211     {                                                                   \
 212       rs6000_current_abi = ABI_V4;                                      \
 213       error ("bad value for -mcall-%s", rs6000_abi_name);               \
 214     }                                                                   \
 215                                                                         \
 216   if (rs6000_sdata_name)                                                \
 217     {                                                                   \
 218       if (!strcmp (rs6000_sdata_name, "none"))                          \
 219         rs6000_sdata = SDATA_NONE;                                      \
 220       else if (!strcmp (rs6000_sdata_name, "data"))                     \
 221         rs6000_sdata = SDATA_DATA;                                      \
 222       else if (!strcmp (rs6000_sdata_name, "default"))                  \
 223         rs6000_sdata = (TARGET_EABI) ? SDATA_EABI : SDATA_SYSV;         \
 224       else if (!strcmp (rs6000_sdata_name, "sysv"))                     \
 225         rs6000_sdata = SDATA_SYSV;                                      \
 226       else if (!strcmp (rs6000_sdata_name, "eabi"))                     \
 227         rs6000_sdata = SDATA_EABI;                                      \
 228       else                                                              \
 229         error ("bad value for -msdata=%s", rs6000_sdata_name);          \
 230     }                                                                   \
 231   else if (DEFAULT_ABI == ABI_V4)                                       \
 232     {                                                                   \
 233       rs6000_sdata = SDATA_DATA;                                        \
 234       rs6000_sdata_name = "data";                                       \
 235     }                                                                   \
 236   else                                                                  \
 237     {                                                                   \
 238       rs6000_sdata = SDATA_NONE;                                        \
 239       rs6000_sdata_name = "none";                                       \
 240     }                                                                   \
 241                                                                         \
 242   if (TARGET_RELOCATABLE &&                                             \
 243       (rs6000_sdata == SDATA_EABI || rs6000_sdata == SDATA_SYSV))       \
 244     {                                                                   \
 245       rs6000_sdata = SDATA_DATA;                                        \
 246       error ("-mrelocatable and -msdata=%s are incompatible",           \
 247              rs6000_sdata_name);                                        \
 248     }                                                                   \
 249                                                                         \
 250   else if (flag_pic && DEFAULT_ABI != ABI_AIX                           \
 251            && (rs6000_sdata == SDATA_EABI                               \
 252                || rs6000_sdata == SDATA_SYSV))                          \
 253     {                                                                   \
 254       rs6000_sdata = SDATA_DATA;                                        \
 255       error ("-f%s and -msdata=%s are incompatible",                    \
 256              (flag_pic > 1) ? "PIC" : "pic",                            \
 257              rs6000_sdata_name);                                        \
 258     }                                                                   \
 259                                                                         \
 260   if (rs6000_sdata != SDATA_NONE && DEFAULT_ABI != ABI_V4)              \
 261     {                                                                   \
 262       rs6000_sdata = SDATA_NONE;                                        \
 263       error ("-msdata=%s and -mcall-%s are incompatible",               \
 264              rs6000_sdata_name, rs6000_abi_name);                       \
 265     }                                                                   \
 266                                                                         \
 267   targetm.have_srodata_section = rs6000_sdata == SDATA_EABI;            \
 268                                                                         \
 269   if (TARGET_RELOCATABLE && !TARGET_MINIMAL_TOC)                        \
 270     {                                                                   \
 271       target_flags |= MASK_MINIMAL_TOC;                                 \
 272       error ("-mrelocatable and -mno-minimal-toc are incompatible");    \
 273     }                                                                   \
 274                                                                         \
 275   if (TARGET_RELOCATABLE && rs6000_current_abi == ABI_AIX)              \
 276     {                                                                   \
 277       target_flags &= ~MASK_RELOCATABLE;                                \
 278       error ("-mrelocatable and -mcall-%s are incompatible",            \
 279              rs6000_abi_name);                                          \
 280     }                                                                   \
 281                                                                         \
 282   if (flag_pic > 1 && rs6000_current_abi == ABI_AIX)                    \
 283     {                                                                   \
 284       flag_pic = 0;                                                     \
 285       error ("-fPIC and -mcall-%s are incompatible",                    \
 286              rs6000_abi_name);                                          \
 287     }                                                                   \
 288                                                                         \
 289   if (rs6000_current_abi == ABI_AIX && TARGET_LITTLE_ENDIAN)            \
 290     {                                                                   \
 291       target_flags &= ~MASK_LITTLE_ENDIAN;                              \
 292       error ("-mcall-aixdesc must be big endian");                      \
 293     }                                                                   \
 294                                                                         \
 295   /* Treat -fPIC the same as -mrelocatable.  */                         \
 296   if (flag_pic > 1 && DEFAULT_ABI != ABI_AIX)                           \
 297     target_flags |= MASK_RELOCATABLE | MASK_MINIMAL_TOC | MASK_NO_FP_IN_TOC; \
 298                                                                         \
 299   else if (TARGET_RELOCATABLE)                                          \
 300     flag_pic = 2;                                                       \
 301                                                                         \
 302 } while (0)
 303
 304
 305 /* Override rs6000.h definition.  */
 306 #undef  TARGET_DEFAULT
 307 #define TARGET_DEFAULT (MASK_POWERPC | MASK_NEW_MNEMONICS)
 308
 309 /* Override rs6000.h definition.  */
 310 #undef  PROCESSOR_DEFAULT
 311 #define PROCESSOR_DEFAULT PROCESSOR_PPC750
 312
 313 #define FIXED_R2 1
 314 /* System V.4 uses register 13 as a pointer to the small data area,
 315    so it is not available to the normal user.  */
 316 #define FIXED_R13 1
 317
 318 /* Size of the V.4 varargs area if needed.  */
 319 /* Override rs6000.h definition.  */
 320 #undef  RS6000_VARARGS_AREA
 321 #define RS6000_VARARGS_AREA ((cfun->machine->sysv_varargs_p) ? RS6000_VARARGS_SIZE : 0)
 322
 323 /* Override default big endianism definitions in rs6000.h.  */
 324 #undef  BYTES_BIG_ENDIAN
 325 #undef  WORDS_BIG_ENDIAN
 326 #define BYTES_BIG_ENDIAN (TARGET_BIG_ENDIAN)
 327 #define WORDS_BIG_ENDIAN (TARGET_BIG_ENDIAN)
 328
 329 /* Define this to set the endianness to use in libgcc2.c, which can
 330    not depend on target_flags.  */
 331 #if !defined(_LITTLE_ENDIAN) && !defined(__sun__)
 332 #define LIBGCC2_WORDS_BIG_ENDIAN 1
 333 #else
 334 #define LIBGCC2_WORDS_BIG_ENDIAN 0
 335 #endif
 336
 337 /* Define cutoff for using external functions to save floating point.
 338    Currently on V.4, always use inline stores.  */
 339 #define FP_SAVE_INLINE(FIRST_REG) ((FIRST_REG) < 64)
 340
 341 /* Put jump tables in read-only memory, rather than in .text.  */
 342 #define JUMP_TABLES_IN_TEXT_SECTION 0
 343
 344 /* Prefix and suffix to use to saving floating point.  */
 345 #define SAVE_FP_PREFIX "_savefpr_"
 346 #define SAVE_FP_SUFFIX "_l"
 347
 348 /* Prefix and suffix to use to restoring floating point.  */
 349 #define RESTORE_FP_PREFIX "_restfpr_"
 350 #define RESTORE_FP_SUFFIX "_l"
 351
 352 /* Type used for ptrdiff_t, as a string used in a declaration.  */
 353 #define PTRDIFF_TYPE "int"
 354
 355 /* Type used for wchar_t, as a string used in a declaration.  */
 356 /* Override svr4.h definition.  */
 357 #undef  WCHAR_TYPE
 358 #define WCHAR_TYPE "long int"
 359
 360 /* Width of wchar_t in bits.  */
 361 /* Override svr4.h definition.  */
 362 #undef  WCHAR_TYPE_SIZE
 363 #define WCHAR_TYPE_SIZE 32
 364
 365 /* Make int foo : 8 not cause structures to be aligned to an int boundary.  */
 366 /* Override elfos.h definition.  */
 367 #undef  PCC_BITFIELD_TYPE_MATTERS
 368 #define PCC_BITFIELD_TYPE_MATTERS (TARGET_BITFIELD_TYPE)
 369
 370 #undef  BITFIELD_NBYTES_LIMITED
 371 #define BITFIELD_NBYTES_LIMITED (TARGET_NO_BITFIELD_WORD)
 372
 373 /* Define this macro to be the value 1 if instructions will fail to
 374    work if given data not on the nominal alignment.  If instructions
 375    will merely go slower in that case, define this macro as 0.  */
 376 #undef  STRICT_ALIGNMENT
 377 #define STRICT_ALIGNMENT (TARGET_STRICT_ALIGN)
 378
 379 /* Alignment in bits of the stack boundary.  Note, in order to allow building
 380    one set of libraries with -mno-eabi instead of eabi libraries and non-eabi
 381    versions, just use 64 as the stack boundary.  */
 382 #undef  STACK_BOUNDARY
 383 #define STACK_BOUNDARY  (TARGET_ALTIVEC_ABI ? 128 : 64)
 384
 385 /* Real stack boundary as mandated by the appropriate ABI.  */
 386 #define ABI_STACK_BOUNDARY ((TARGET_EABI && !TARGET_ALTIVEC_ABI) ? 64 : 128)
 387
 388 /* An expression for the alignment of a structure field FIELD if the
 389    alignment computed in the usual way is COMPUTED.  */
 390 #define ADJUST_FIELD_ALIGN(FIELD, COMPUTED)                                   \
 391         ((TARGET_ALTIVEC && TREE_CODE (TREE_TYPE (FIELD)) == VECTOR_TYPE)     \
 392          ? 128 : COMPUTED)
 393
 394 /* Define this macro as an expression for the alignment of a type
 395    (given by TYPE as a tree node) if the alignment computed in the
 396    usual way is COMPUTED and the alignment explicitly specified was
 397    SPECIFIED.  */
 398 #define ROUND_TYPE_ALIGN(TYPE, COMPUTED, SPECIFIED)                     \
 399         ((TARGET_ALTIVEC  && TREE_CODE (TYPE) == VECTOR_TYPE)           \
 400          ? MAX (MAX ((COMPUTED), (SPECIFIED)), 128)                     \
 401          : MAX (COMPUTED, SPECIFIED))
 402
 403 #undef  BIGGEST_FIELD_ALIGNMENT
 404
 405 /* Use ELF style section commands.  */
 406
 407 #define TEXT_SECTION_ASM_OP     "\t.section\t\".text\""
 408
 409 #define DATA_SECTION_ASM_OP     "\t.section\t\".data\""
 410
 411 #define BSS_SECTION_ASM_OP      "\t.section\t\".bss\""
 412
 413 /* Override elfos.h definition.  */
 414 #undef  INIT_SECTION_ASM_OP
 415 #define INIT_SECTION_ASM_OP "\t.section\t\".init\",\"ax\""
 416
 417 /* Override elfos.h definition.  */
 418 #undef  FINI_SECTION_ASM_OP
 419 #define FINI_SECTION_ASM_OP "\t.section\t\".fini\",\"ax\""
 420
 421 #define TOC_SECTION_ASM_OP "\t.section\t\".got\",\"aw\""
 422
 423 /* Put PC relative got entries in .got2.  */
 424 #define MINIMAL_TOC_SECTION_ASM_OP \
 425   (TARGET_RELOCATABLE || (flag_pic && DEFAULT_ABI != ABI_AIX)           \
 426    ? "\t.section\t\".got2\",\"aw\"" : "\t.section\t\".got1\",\"aw\"")
 427
 428 #define SDATA_SECTION_ASM_OP "\t.section\t\".sdata\",\"aw\""
 429 #define SDATA2_SECTION_ASM_OP "\t.section\t\".sdata2\",\"a\""
 430 #define SBSS_SECTION_ASM_OP "\t.section\t\".sbss\",\"aw\",@nobits"
 431
 432 /* Besides the usual ELF sections, we need a toc section.  */
 433 /* Override elfos.h definition.  */
 434 #undef  EXTRA_SECTIONS
 435 #define EXTRA_SECTIONS in_toc, in_sdata, in_sdata2, in_sbss, in_init, in_fini
 436
 437 /* Override elfos.h definition.  */
 438 #undef  EXTRA_SECTION_FUNCTIONS
 439 #define EXTRA_SECTION_FUNCTIONS                                         \
 440   TOC_SECTION_FUNCTION                                                  \
 441   SDATA_SECTION_FUNCTION                                                \
 442   SDATA2_SECTION_FUNCTION                                               \
 443   SBSS_SECTION_FUNCTION                                                 \
 444   INIT_SECTION_FUNCTION                                                 \
 445   FINI_SECTION_FUNCTION
 446
 447 #define TOC_SECTION_FUNCTION                                            \
 448 void                                                                    \
 449 toc_section ()                                                          \
 450 {                                                                       \
 451   if (in_section != in_toc)                                             \
 452     {                                                                   \
 453       in_section = in_toc;                                              \
 454       if (DEFAULT_ABI == ABI_AIX                                        \
 455           && TARGET_MINIMAL_TOC                                         \
 456           && !TARGET_RELOCATABLE)                                       \
 457         {                                                               \
 458           if (! toc_initialized)                                        \
 459             {                                                           \
 460               toc_initialized = 1;                                      \
 461               fprintf (asm_out_file, "%s\n", TOC_SECTION_ASM_OP);       \
 462               (*targetm.asm_out.internal_label) (asm_out_file, "LCTOC", 0); \
 463               fprintf (asm_out_file, "\t.tc ");                         \
 464               ASM_OUTPUT_INTERNAL_LABEL_PREFIX (asm_out_file, "LCTOC1[TC],"); \
 465               ASM_OUTPUT_INTERNAL_LABEL_PREFIX (asm_out_file, "LCTOC1"); \
 466               fprintf (asm_out_file, "\n");                             \
 467                                                                         \
 468               fprintf (asm_out_file, "%s\n", MINIMAL_TOC_SECTION_ASM_OP); \
 469               ASM_OUTPUT_INTERNAL_LABEL_PREFIX (asm_out_file, "LCTOC1"); \
 470               fprintf (asm_out_file, " = .+32768\n");                   \
 471             }                                                           \
 472           else                                                          \
 473             fprintf (asm_out_file, "%s\n", MINIMAL_TOC_SECTION_ASM_OP); \
 474         }                                                               \
 475       else if (DEFAULT_ABI == ABI_AIX && !TARGET_RELOCATABLE)           \
 476         fprintf (asm_out_file, "%s\n", TOC_SECTION_ASM_OP);             \
 477       else                                                              \
 478         {                                                               \
 479           fprintf (asm_out_file, "%s\n", MINIMAL_TOC_SECTION_ASM_OP);   \
 480           if (! toc_initialized)                                        \
 481             {                                                           \
 482               ASM_OUTPUT_INTERNAL_LABEL_PREFIX (asm_out_file, "LCTOC1"); \
 483               fprintf (asm_out_file, " = .+32768\n");                   \
 484               toc_initialized = 1;                                      \
 485             }                                                           \
 486         }                                                               \
 487     }                                                                   \
 488 }                                                                       \
 489                                                                         \
 490 extern int in_toc_section PARAMS ((void));                              \
 491 int in_toc_section ()                                                   \
 492 {                                                                       \
 493   return in_section == in_toc;                                          \
 494 }
 495
 496 #define SDATA_SECTION_FUNCTION                                          \
 497 void                                                                    \
 498 sdata_section ()                                                        \
 499 {                                                                       \
 500   if (in_section != in_sdata)                                           \
 501     {                                                                   \
 502       in_section = in_sdata;                                            \
 503       fprintf (asm_out_file, "%s\n", SDATA_SECTION_ASM_OP);             \
 504     }                                                                   \
 505 }
 506
 507 #define SDATA2_SECTION_FUNCTION                                         \
 508 void                                                                    \
 509 sdata2_section ()                                                       \
 510 {                                                                       \
 511   if (in_section != in_sdata2)                                          \
 512     {                                                                   \
 513       in_section = in_sdata2;                                           \
 514       fprintf (asm_out_file, "%s\n", SDATA2_SECTION_ASM_OP);            \
 515     }                                                                   \
 516 }
 517
 518 #define SBSS_SECTION_FUNCTION                                           \
 519 void                                                                    \
 520 sbss_section ()                                                         \
 521 {                                                                       \
 522   if (in_section != in_sbss)                                            \
 523     {                                                                   \
 524       in_section = in_sbss;                                             \
 525       fprintf (asm_out_file, "%s\n", SBSS_SECTION_ASM_OP);              \
 526     }                                                                   \
 527 }
 528
 529 #define INIT_SECTION_FUNCTION                                           \
 530 void                                                                    \
 531 init_section ()                                                         \
 532 {                                                                       \
 533   if (in_section != in_init)                                            \
 534     {                                                                   \
 535       in_section = in_init;                                             \
 536       fprintf (asm_out_file, "%s\n", INIT_SECTION_ASM_OP);              \
 537     }                                                                   \
 538 }
 539
 540 #define FINI_SECTION_FUNCTION                                           \
 541 void                                                                    \
 542 fini_section ()                                                         \
 543 {                                                                       \
 544   if (in_section != in_fini)                                            \
 545     {                                                                   \
 546       in_section = in_fini;                                             \
 547       fprintf (asm_out_file, "%s\n", FINI_SECTION_ASM_OP);              \
 548     }                                                                   \
 549 }
 550
 551 /* Override default elf definitions.  */
 552 #undef  TARGET_ASM_SELECT_RTX_SECTION
 553 #define TARGET_ASM_SELECT_RTX_SECTION rs6000_elf_select_rtx_section
 554 #undef  TARGET_ASM_SELECT_SECTION
 555 #define TARGET_ASM_SELECT_SECTION  rs6000_elf_select_section
 556 #define TARGET_ASM_UNIQUE_SECTION  rs6000_elf_unique_section
 557
 558 /* Return nonzero if this entry is to be written into the constant pool
 559    in a special way.  We do so if this is a SYMBOL_REF, LABEL_REF or a CONST
 560    containing one of them.  If -mfp-in-toc (the default), we also do
 561    this for floating-point constants.  We actually can only do this
 562    if the FP formats of the target and host machines are the same, but
 563    we can't check that since not every file that uses
 564    GO_IF_LEGITIMATE_ADDRESS_P includes real.h.
 565
 566    Unlike AIX, we don't key off of -mminimal-toc, but instead do not
 567    allow floating point constants in the TOC if -mrelocatable.  */
 568
 569 #undef  ASM_OUTPUT_SPECIAL_POOL_ENTRY_P
 570 #define ASM_OUTPUT_SPECIAL_POOL_ENTRY_P(X, MODE)                        \
 571   (TARGET_TOC                                                           \
 572    && (GET_CODE (X) == SYMBOL_REF                                       \
 573        || (GET_CODE (X) == CONST && GET_CODE (XEXP (X, 0)) == PLUS      \
 574            && GET_CODE (XEXP (XEXP (X, 0), 0)) == SYMBOL_REF)           \
 575        || GET_CODE (X) == LABEL_REF                                     \
 576        || (GET_CODE (X) == CONST_INT                                    \
 577            && GET_MODE_BITSIZE (MODE) <= GET_MODE_BITSIZE (Pmode))      \
 578        || (!TARGET_NO_FP_IN_TOC                                         \
 579            && !TARGET_RELOCATABLE                                       \
 580            && GET_CODE (X) == CONST_DOUBLE                              \
 581            && GET_MODE_CLASS (GET_MODE (X)) == MODE_FLOAT               \
 582            && BITS_PER_WORD == HOST_BITS_PER_INT)))
 583
 584 /* These macros generate the special .type and .size directives which
 585    are used to set the corresponding fields of the linker symbol table
 586    entries in an ELF object file under SVR4.  These macros also output
 587    the starting labels for the relevant functions/objects.  */
 588
 589 /* Write the extra assembler code needed to declare a function properly.
 590    Some svr4 assemblers need to also have something extra said about the
 591    function's return value.  We allow for that here.  */
 592
 593 extern int rs6000_pic_labelno;
 594
 595 /* Override elfos.h definition.  */
 596 #undef  ASM_DECLARE_FUNCTION_NAME
 597 #define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL)                     \
 598   do {                                                                  \
 599     const char *const init_ptr = (TARGET_64BIT) ? ".quad" : ".long";    \
 600                                                                         \
 601     if (TARGET_RELOCATABLE                                              \
 602         && (get_pool_size () != 0 || current_function_profile)          \
 603         && uses_TOC())                                                  \
 604       {                                                                 \
 605         char buf[256];                                                  \
 606                                                                         \
 607         (*targetm.asm_out.internal_label) (FILE, "LCL", rs6000_pic_labelno); \
 608                                                                         \
 609         ASM_GENERATE_INTERNAL_LABEL (buf, "LCTOC", 1);                  \
 610         fprintf (FILE, "\t%s ", init_ptr);                              \
 611         assemble_name (FILE, buf);                                      \
 612         putc ('-', FILE);                                               \
 613         ASM_GENERATE_INTERNAL_LABEL (buf, "LCF", rs6000_pic_labelno);   \
 614         assemble_name (FILE, buf);                                      \
 615         putc ('\n', FILE);                                              \
 616       }                                                                 \
 617                                                                         \
 618     ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "function");                 \
 619     ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL));                      \
 620                                                                         \
 621     if (DEFAULT_ABI == ABI_AIX)                                         \
 622       {                                                                 \
 623         const char *desc_name, *orig_name;                              \
 624                                                                         \
 625         orig_name = (*targetm.strip_name_encoding) (NAME);              \
 626         desc_name = orig_name;                                          \
 627         while (*desc_name == '.')                                       \
 628           desc_name++;                                                  \
 629                                                                         \
 630         if (TREE_PUBLIC (DECL))                                         \
 631           fprintf (FILE, "\t.globl %s\n", desc_name);                   \
 632                                                                         \
 633         fprintf (FILE, "%s\n", MINIMAL_TOC_SECTION_ASM_OP);             \
 634         fprintf (FILE, "%s:\n", desc_name);                             \
 635         fprintf (FILE, "\t%s %s\n", init_ptr, orig_name);               \
 636         fprintf (FILE, "\t%s _GLOBAL_OFFSET_TABLE_\n", init_ptr);       \
 637         if (DEFAULT_ABI == ABI_AIX)                                     \
 638           fprintf (FILE, "\t%s 0\n", init_ptr);                         \
 639         fprintf (FILE, "\t.previous\n");                                \
 640       }                                                                 \
 641     ASM_OUTPUT_LABEL (FILE, NAME);                                      \
 642   } while (0)
 643
 644 /* The USER_LABEL_PREFIX stuff is affected by the -fleading-underscore
 645    flag.  The LOCAL_LABEL_PREFIX variable is used by dbxelf.h.  */
 646
 647 #define LOCAL_LABEL_PREFIX "."
 648 #define USER_LABEL_PREFIX ""
 649
 650 /* svr4.h overrides (*targetm.asm_out.internal_label).  */
 651
 652 #define ASM_OUTPUT_INTERNAL_LABEL_PREFIX(FILE,PREFIX)   \
 653   asm_fprintf (FILE, "%L%s", PREFIX)
 654
 655 /* Globalizing directive for a label.  */
 656 #define GLOBAL_ASM_OP "\t.globl "
 657
 658 /* This says how to output assembler code to declare an
 659    uninitialized internal linkage data object.  Under SVR4,
 660    the linker seems to want the alignment of data objects
 661    to depend on their types.  We do exactly that here.  */
 662
 663 #define LOCAL_ASM_OP    "\t.local\t"
 664
 665 #define LCOMM_ASM_OP    "\t.lcomm\t"
 666
 667 /* Override elfos.h definition.  */
 668 #undef  ASM_OUTPUT_ALIGNED_LOCAL
 669 #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN)               \
 670 do {                                                                    \
 671   if (rs6000_sdata != SDATA_NONE && (SIZE) > 0                          \
 672       && (SIZE) <= g_switch_value)                                      \
 673     {                                                                   \
 674       sbss_section ();                                                  \
 675       ASM_OUTPUT_ALIGN (FILE, exact_log2 (ALIGN / BITS_PER_UNIT));      \
 676       ASM_OUTPUT_LABEL (FILE, NAME);                                    \
 677       ASM_OUTPUT_SKIP (FILE, SIZE);                                     \
 678       if (!flag_inhibit_size_directive && (SIZE) > 0)                   \
 679         ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, SIZE);                   \
 680     }                                                                   \
 681   else                                                                  \
 682     {                                                                   \
 683       fprintf (FILE, "%s", LCOMM_ASM_OP);                               \
 684       assemble_name ((FILE), (NAME));                                   \
 685       fprintf ((FILE), ",%u,%u\n", (SIZE), (ALIGN) / BITS_PER_UNIT);    \
 686     }                                                                   \
 687   ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object");                     \
 688 } while (0)
 689
 690 /* Describe how to emit uninitialized external linkage items.  */
 691 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN)           \
 692 do {                                                                    \
 693   (*targetm.asm_out.globalize_label) (FILE, NAME);                      \
 694   ASM_OUTPUT_ALIGNED_LOCAL (FILE, NAME, SIZE, ALIGN);                   \
 695 } while (0)
 696
 697 #ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
 698 /* To support -falign-* switches we need to use .p2align so
 699    that alignment directives in code sections will be padded
 700    with no-op instructions, rather than zeroes.  */
 701 #define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP)                    \
 702   if ((LOG) != 0)                                                       \
 703     {                                                                   \
 704       if ((MAX_SKIP) == 0)                                              \
 705         fprintf ((FILE), "\t.p2align %d\n", (LOG));                     \
 706       else                                                              \
 707         fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP));     \
 708     }
 709 #endif
 710
 711 /* This is how to output code to push a register on the stack.
 712    It need not be very fast code.
 713
 714    On the rs6000, we must keep the backchain up to date.  In order
 715    to simplify things, always allocate 16 bytes for a push (System V
 716    wants to keep stack aligned to a 16 byte boundary).  */
 717
 718 #define ASM_OUTPUT_REG_PUSH(FILE, REGNO)                                \
 719 do {                                                                    \
 720   if (DEFAULT_ABI == ABI_V4)                                            \
 721     asm_fprintf (FILE,                                                  \
 722                  "\t{stu|stwu} %s,-16(%s)\n\t{st|stw} %s,12(%s)\n",     \
 723                  reg_names[1], reg_names[1], reg_names[REGNO],          \
 724                  reg_names[1]);                                         \
 725 } while (0)
 726
 727 /* This is how to output an insn to pop a register from the stack.
 728    It need not be very fast code.  */
 729
 730 #define ASM_OUTPUT_REG_POP(FILE, REGNO)                                 \
 731 do {                                                                    \
 732   if (DEFAULT_ABI == ABI_V4)                                            \
 733     asm_fprintf (FILE,                                                  \
 734                  "\t{l|lwz} %s,12(%s)\n\t{ai|addic} %s,%s,16\n",        \
 735                  reg_names[REGNO], reg_names[1], reg_names[1],          \
 736                  reg_names[1]);                                         \
 737 } while (0)
 738
 739 /* Switch  Recognition by gcc.c.  Add -G xx support.  */
 740
 741 /* Override svr4.h definition.  */
 742 #undef  SWITCH_TAKES_ARG
 743 #define SWITCH_TAKES_ARG(CHAR)                                          \
 744   ((CHAR) == 'D' || (CHAR) == 'U' || (CHAR) == 'o'                      \
 745    || (CHAR) == 'e' || (CHAR) == 'T' || (CHAR) == 'u'                   \
 746    || (CHAR) == 'I' || (CHAR) == 'm' || (CHAR) == 'x'                   \
 747    || (CHAR) == 'L' || (CHAR) == 'A' || (CHAR) == 'V'                   \
 748    || (CHAR) == 'B' || (CHAR) == 'b' || (CHAR) == 'G')
 749
 750 /* Output .file.  */
 751 /* Override elfos.h definition.  */
 752 #undef  ASM_FILE_START
 753 #define ASM_FILE_START(FILE)                                            \
 754 do {                                                                    \
 755   output_file_directive ((FILE), main_input_filename);                  \
 756   rs6000_file_start (FILE, TARGET_CPU_DEFAULT);                         \
 757 } while (0)
 758
 759
 760 extern int fixuplabelno;
 761
 762 /* Handle constructors specially for -mrelocatable.  */
 763 #define TARGET_ASM_CONSTRUCTOR  rs6000_elf_asm_out_constructor
 764 #define TARGET_ASM_DESTRUCTOR   rs6000_elf_asm_out_destructor
 765
 766 /* This is the end of what might become sysv4.h.  */
 767
 768 /* Use DWARF 2 debugging information by default.  */
 769 #undef  PREFERRED_DEBUGGING_TYPE
 770 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
 771
 772 /* Historically we have also supported stabs debugging.  */
 773 #define DBX_DEBUGGING_INFO 1
 774
 775 #define TARGET_ENCODE_SECTION_INFO  rs6000_elf_encode_section_info
 776 #define TARGET_STRIP_NAME_ENCODING  rs6000_elf_strip_name_encoding
 777 #define TARGET_IN_SMALL_DATA_P  rs6000_elf_in_small_data_p
 778 #define TARGET_SECTION_TYPE_FLAGS  rs6000_elf_section_type_flags
 779
 780 /* The ELF version doesn't encode [DS] or whatever at the end of symbols.  */
 781
 782 #define RS6000_OUTPUT_BASENAME(FILE, NAME)      \
 783     assemble_name (FILE, NAME)
 784
 785 /* This is how to output a reference to a user-level label named NAME.
 786    `assemble_name' uses this.  */
 787
 788 /* Override elfos.h definition.  */
 789 #undef  ASM_OUTPUT_LABELREF
 790 #define ASM_OUTPUT_LABELREF(FILE,NAME)          \
 791 do {                                            \
 792   const char *_name = NAME;                     \
 793   if (*_name == '@')                            \
 794     _name++;                                    \
 795                                                 \
 796   if (*_name == '*')                            \
 797     fprintf (FILE, "%s", _name + 1);            \
 798   else                                          \
 799     asm_fprintf (FILE, "%U%s", _name);          \
 800 } while (0)
 801
 802 /* But, to make this work, we have to output the stabs for the function
 803    name *first*...  */
 804
 805 #define DBX_FUNCTION_FIRST
 806
 807 /* This is the end of what might become sysv4dbx.h.  */
 808
 809 #ifndef TARGET_VERSION
 810 #define TARGET_VERSION fprintf (stderr, " (PowerPC System V.4)");
 811 #endif
 812 \f
 813 #ifndef TARGET_OS_CPP_BUILTINS
 814 #define TARGET_OS_CPP_BUILTINS()          \
 815   do                                      \
 816     {                                     \
 817       builtin_define_std ("PPC");         \
 818       builtin_define_std ("unix");        \
 819       builtin_define ("__svr4__");        \
 820       builtin_assert ("system=unix");     \
 821       builtin_assert ("system=svr4");     \
 822       builtin_assert ("cpu=powerpc");     \
 823       builtin_assert ("machine=powerpc"); \
 824     }                                     \
 825   while (0)
 826 #endif
 827
 828 /* Pass various options to the assembler.  */
 829 /* Override svr4.h definition.  */
 830 #undef  ASM_SPEC
 831 #define ASM_SPEC "%(asm_cpu) \
 832 %{.s: %{mregnames} %{mno-regnames}} %{.S: %{mregnames} %{mno-regnames}} \
 833 %{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*} \
 834 %{mrelocatable} %{mrelocatable-lib} %{fpic:-K PIC} %{fPIC:-K PIC} \
 835 %{memb|msdata|msdata=eabi: -memb} \
 836 %{mlittle|mlittle-endian:-mlittle; \
 837   mbig|mbig-endian      :-mbig;    \
 838   mcall-aixdesc |                  \
 839   mcall-freebsd |                  \
 840   mcall-netbsd  |                  \
 841   mcall-linux   |                  \
 842   mcall-gnu             :-mbig;    \
 843   mcall-i960-old        :-mlittle}"
 844
 845 #define CC1_ENDIAN_BIG_SPEC ""
 846
 847 #define CC1_ENDIAN_LITTLE_SPEC "\
 848 %{!mstrict-align: %{!mno-strict-align: \
 849     %{!mcall-i960-old: \
 850         -mstrict-align \
 851     } \
 852 }}"
 853
 854 #define CC1_ENDIAN_DEFAULT_SPEC "%(cc1_endian_big)"
 855
 856 /* Pass -G xxx to the compiler and set correct endian mode.  */
 857 #define CC1_SPEC "%{G*} \
 858 %{mlittle|mlittle-endian: %(cc1_endian_little);           \
 859   mbig   |mbig-endian   : %(cc1_endian_big);              \
 860   mcall-aixdesc |                                         \
 861   mcall-freebsd |                                         \
 862   mcall-netbsd  |                                         \
 863   mcall-linux   |                                         \
 864   mcall-gnu             : -mbig %(cc1_endian_big);        \
 865   mcall-i960-old        : -mlittle %(cc1_endian_little);  \
 866                         : %(cc1_endian_default)}          \
 867 %{mno-sdata: -msdata=none } \
 868 %{meabi: %{!mcall-*: -mcall-sysv }} \
 869 %{!meabi: %{!mno-eabi: \
 870     %{mrelocatable: -meabi } \
 871     %{mcall-freebsd: -mno-eabi } \
 872     %{mcall-i960-old: -meabi } \
 873     %{mcall-linux: -mno-eabi } \
 874     %{mcall-gnu: -mno-eabi } \
 875     %{mcall-netbsd: -mno-eabi }}} \
 876 %{msdata: -msdata=default} \
 877 %{mno-sdata: -msdata=none} \
 878 %{profile: -p}"
 879
 880 /* Don't put -Y P,<path> for cross compilers.  */
 881 #ifndef CROSS_COMPILE
 882 #define LINK_PATH_SPEC "\
 883 %{!R*:%{L*:-R %*}} \
 884 %{!nostdlib: %{!YP,*: \
 885     %{compat-bsd: \
 886         %{p:-Y P,/usr/ucblib:/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
 887         %{!p:-Y P,/usr/ucblib:/usr/ccs/lib:/usr/lib}} \
 888         %{!R*: %{!L*: -R /usr/ucblib}} \
 889     %{!compat-bsd: \
 890         %{p:-Y P,/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
 891         %{!p:-Y P,/usr/ccs/lib:/usr/lib}}}}"
 892
 893 #else
 894 #define LINK_PATH_SPEC ""
 895 #endif
 896
 897 /* Default starting address if specified.  */
 898 #define LINK_START_SPEC "\
 899 %{mads         : %(link_start_ads)         ; \
 900   myellowknife : %(link_start_yellowknife) ; \
 901   mmvme        : %(link_start_mvme)        ; \
 902   msim         : %(link_start_sim)         ; \
 903   mwindiss     : %(link_start_windiss)     ; \
 904   mcall-freebsd: %(link_start_freebsd)     ; \
 905   mcall-linux  : %(link_start_linux)       ; \
 906   mcall-gnu    : %(link_start_gnu)         ; \
 907   mcall-netbsd : %(link_start_netbsd)      ; \
 908                : %(link_start_default)     }"
 909
 910 #define LINK_START_DEFAULT_SPEC ""
 911
 912 /* Override svr4.h definition.  */
 913 #undef  LINK_SPEC
 914 #define LINK_SPEC "\
 915 %{h*} %{v:-V} %{!msdata=none:%{G*}} %{msdata=none:-G0} \
 916 %{YP,*} %{R*} \
 917 %{Qy:} %{!Qn:-Qy} \
 918 %(link_shlib) \
 919 %{!Wl,-T*: %{!T*: %(link_start) }} \
 920 %(link_target) \
 921 %(link_os)"
 922
 923 /* For now, turn off shared libraries by default.  */
 924 #ifndef SHARED_LIB_SUPPORT
 925 #define NO_SHARED_LIB_SUPPORT
 926 #endif
 927
 928 #ifndef NO_SHARED_LIB_SUPPORT
 929 /* Shared libraries are default.  */
 930 #define LINK_SHLIB_SPEC "\
 931 %{!static: %(link_path) %{!R*:%{L*:-R %*}}} \
 932 %{mshlib: } \
 933 %{static:-dn -Bstatic} \
 934 %{shared:-G -dy -z text} \
 935 %{symbolic:-Bsymbolic -G -dy -z text}"
 936
 937 #else
 938 /* Shared libraries are not default.  */
 939 #define LINK_SHLIB_SPEC "\
 940 %{mshlib: %(link_path) } \
 941 %{!mshlib: %{!shared: %{!symbolic: -dn -Bstatic}}} \
 942 %{static: } \
 943 %{shared:-G -dy -z text %(link_path) } \
 944 %{symbolic:-Bsymbolic -G -dy -z text %(link_path) }"
 945 #endif
 946
 947 /* Override the default target of the linker.  */
 948 #define LINK_TARGET_SPEC "\
 949 %{mlittle: --oformat elf32-powerpcle } %{mlittle-endian: --oformat elf32-powerpcle } \
 950 %{!mlittle: %{!mlittle-endian: %{!mbig: %{!mbig-endian: \
 951     %{mcall-i960-old: --oformat elf32-powerpcle} \
 952   }}}}"
 953
 954 /* Any specific OS flags.  */
 955 #define LINK_OS_SPEC "\
 956 %{mads         : %(link_os_ads)         ; \
 957   myellowknife : %(link_os_yellowknife) ; \
 958   mmvme        : %(link_os_mvme)        ; \
 959   msim         : %(link_os_sim)         ; \
 960   mwindiss     : %(link_os_windiss)     ; \
 961   mcall-freebsd: %(link_os_freebsd)     ; \
 962   mcall-linux  : %(link_os_linux)       ; \
 963   mcall-gnu    : %(link_os_gnu)         ; \
 964   mcall-netbsd : %(link_os_netbsd)      ; \
 965                : %(link_os_default)     }"
 966
 967 #define LINK_OS_DEFAULT_SPEC ""
 968
 969 #define CPP_SYSV_SPEC \
 970 "%{mrelocatable*: -D_RELOCATABLE} \
 971 %{fpic: -D__PIC__=1 -D__pic__=1} \
 972 %{!fpic: %{fPIC: -D__PIC__=2 -D__pic__=2}}"
 973
 974 /* Override rs6000.h definition.  */
 975 #undef  CPP_SPEC
 976 #define CPP_SPEC "%{posix: -D_POSIX_SOURCE} %(cpp_sysv) \
 977 %{mads         : %(cpp_os_ads)         ; \
 978   myellowknife : %(cpp_os_yellowknife) ; \
 979   mmvme        : %(cpp_os_mvme)        ; \
 980   msim         : %(cpp_os_sim)         ; \
 981   mwindiss     : %(cpp_os_windiss)     ; \
 982   mcall-freebsd: %(cpp_os_freebsd)     ; \
 983   mcall-linux  : %(cpp_os_linux)       ; \
 984   mcall-gnu    : %(cpp_os_gnu)         ; \
 985   mcall-netbsd : %(cpp_os_netbsd)      ; \
 986                : %(cpp_os_default)     }"
 987
 988 #define CPP_OS_DEFAULT_SPEC ""
 989
 990 /* Override svr4.h definition.  */
 991 #undef  STARTFILE_SPEC
 992 #define STARTFILE_SPEC "\
 993 %{mads         : %(startfile_ads)         ; \
 994   myellowknife : %(startfile_yellowknife) ; \
 995   mmvme        : %(startfile_mvme)        ; \
 996   msim         : %(startfile_sim)         ; \
 997   mwindiss     : %(startfile_windiss)     ; \
 998   mcall-freebsd: %(startfile_freebsd)     ; \
 999   mcall-linux  : %(startfile_linux)       ; \
1000   mcall-gnu    : %(startfile_gnu)         ; \
1001   mcall-netbsd : %(startfile_netbsd)      ; \
1002                : %(startfile_default)     }"
1003
1004 #define STARTFILE_DEFAULT_SPEC ""
1005
1006 /* Override svr4.h definition.  */
1007 #undef  LIB_SPEC
1008 #define LIB_SPEC "\
1009 %{mads         : %(lib_ads)         ; \
1010   myellowknife : %(lib_yellowknife) ; \
1011   mmvme        : %(lib_mvme)        ; \
1012   msim         : %(lib_sim)         ; \
1013   mwindiss     : %(lib_windiss)     ; \
1014   mcall-freebsd: %(lib_freebsd)     ; \
1015   mcall-linux  : %(lib_linux)       ; \
1016   mcall-gnu    : %(lib_gnu)         ; \
1017   mcall-netbsd : %(lib_netbsd)      ; \
1018                : %(lib_default)     }"
1019
1020 #define LIB_DEFAULT_SPEC ""
1021
1022 /* Override svr4.h definition.  */
1023 #undef  ENDFILE_SPEC
1024 #define ENDFILE_SPEC "\
1025 %{mads         : crtsavres.o%s        %(endfile_ads)         ; \
1026   myellowknife : crtsavres.o%s        %(endfile_yellowknife) ; \
1027   mmvme        : crtsavres.o%s        %(endfile_mvme)        ; \
1028   msim         : crtsavres.o%s        %(endfile_sim)         ; \
1029   mwindiss     :                      %(endfile_windiss)     ; \
1030   mcall-freebsd: crtsavres.o%s        %(endfile_freebsd)     ; \
1031   mcall-linux  : crtsavres.o%s        %(endfile_linux)       ; \
1032   mcall-gnu    : crtsavres.o%s        %(endfile_gnu)         ; \
1033   mcall-netbsd : crtsavres.o%s        %(endfile_netbsd)      ; \
1034                : %(crtsavres_default) %(endfile_default)     }"
1035
1036 #define CRTSAVRES_DEFAULT_SPEC "crtsavres.o%s"
1037
1038 #define ENDFILE_DEFAULT_SPEC ""
1039
1040 /* Motorola ADS support.  */
1041 #define LIB_ADS_SPEC "--start-group -lads -lc --end-group"
1042
1043 #define STARTFILE_ADS_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s"
1044
1045 #define ENDFILE_ADS_SPEC "crtend.o%s ecrtn.o%s"
1046
1047 #define LINK_START_ADS_SPEC "-T ads.ld%s"
1048
1049 #define LINK_OS_ADS_SPEC ""
1050
1051 #define CPP_OS_ADS_SPEC ""
1052
1053 /* Motorola Yellowknife support.  */
1054 #define LIB_YELLOWKNIFE_SPEC "--start-group -lyk -lc --end-group"
1055
1056 #define STARTFILE_YELLOWKNIFE_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s"
1057
1058 #define ENDFILE_YELLOWKNIFE_SPEC "crtend.o%s ecrtn.o%s"
1059
1060 #define LINK_START_YELLOWKNIFE_SPEC "-T yellowknife.ld%s"
1061
1062 #define LINK_OS_YELLOWKNIFE_SPEC ""
1063
1064 #define CPP_OS_YELLOWKNIFE_SPEC ""
1065
1066 /* Motorola MVME support.  */
1067 #define LIB_MVME_SPEC "--start-group -lmvme -lc --end-group"
1068
1069 #define STARTFILE_MVME_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s"
1070
1071 #define ENDFILE_MVME_SPEC "crtend.o%s ecrtn.o%s"
1072
1073 #define LINK_START_MVME_SPEC "-Ttext 0x40000"
1074
1075 #define LINK_OS_MVME_SPEC ""
1076
1077 #define CPP_OS_MVME_SPEC ""
1078
1079 /* PowerPC simulator based on netbsd system calls support.  */
1080 #define LIB_SIM_SPEC "--start-group -lsim -lc --end-group"
1081
1082 #define STARTFILE_SIM_SPEC "ecrti.o%s sim-crt0.o%s crtbegin.o%s"
1083
1084 #define ENDFILE_SIM_SPEC "crtend.o%s ecrtn.o%s"
1085
1086 #define LINK_START_SIM_SPEC ""
1087
1088 #define LINK_OS_SIM_SPEC "-m elf32ppcsim"
1089
1090 #define CPP_OS_SIM_SPEC ""
1091
1092 /* FreeBSD support.  */
1093
1094 #define CPP_OS_FREEBSD_SPEC     "\
1095   -D__PPC__ -D__ppc__ -D__PowerPC__ -D__powerpc__ \
1096   -Acpu=powerpc -Amachine=powerpc"
1097
1098 #define STARTFILE_FREEBSD_SPEC  FBSD_STARTFILE_SPEC
1099 #define ENDFILE_FREEBSD_SPEC    FBSD_ENDFILE_SPEC
1100 #define LIB_FREEBSD_SPEC        FBSD_LIB_SPEC
1101 #define LINK_START_FREEBSD_SPEC ""
1102
1103 #define LINK_OS_FREEBSD_SPEC "\
1104   %{symbolic:-Bsymbolic}"
1105
1106 /* GNU/Linux support.  */
1107 #ifdef USE_GNULIBC_1
1108 #define LIB_LINUX_SPEC "%{mnewlib: --start-group -llinux -lc --end-group } \
1109 %{!mnewlib: -lc }"
1110 #else
1111 #define LIB_LINUX_SPEC "%{mnewlib: --start-group -llinux -lc --end-group } \
1112 %{!mnewlib: %{shared:-lc} %{!shared: %{pthread:-lpthread } \
1113 %{profile:-lc_p} %{!profile:-lc}}}"
1114 #endif
1115
1116 #ifdef USE_GNULIBC_1
1117 #define STARTFILE_LINUX_SPEC "\
1118 %{!shared: %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}} \
1119 %{mnewlib: ecrti.o%s} %{!mnewlib: crti.o%s} \
1120 %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
1121 #else
1122 #define STARTFILE_LINUX_SPEC "\
1123 %{!shared: %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}} \
1124 %{mnewlib: ecrti.o%s} %{!mnewlib: crti.o%s} \
1125 %{static:crtbeginT.o%s} \
1126 %{!static:%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}}"
1127 #endif
1128
1129 #define ENDFILE_LINUX_SPEC "%{!shared:crtend.o%s} %{shared:crtendS.o%s} \
1130 %{mnewlib: ecrtn.o%s} %{!mnewlib: crtn.o%s}"
1131
1132 #define LINK_START_LINUX_SPEC ""
1133
1134 #define LINK_OS_LINUX_SPEC "-m elf32ppclinux %{!shared: %{!static: \
1135   %{rdynamic:-export-dynamic} \
1136   %{!dynamic-linker:-dynamic-linker /lib/ld.so.1}}}"
1137
1138 #if !defined(USE_GNULIBC_1) && defined(HAVE_LD_EH_FRAME_HDR)
1139 # define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
1140 #endif
1141
1142 #ifdef USE_GNULIBC_1
1143 #define CPP_OS_LINUX_SPEC "-D__unix__ -D__gnu_linux__ -D__linux__ \
1144 %{!undef:                                                         \
1145   %{!ansi:                                                        \
1146     %{!std=*:-Dunix -D__unix -Dlinux -D__linux}                   \
1147     %{std=gnu*:-Dunix -D__unix -Dlinux -D__linux}}}               \
1148 -Asystem=unix -Asystem=posix"
1149 #else
1150 #define CPP_OS_LINUX_SPEC "-D__unix__ -D__gnu_linux__ -D__linux__ \
1151 %{!undef:                                                         \
1152   %{!ansi:                                                        \
1153     %{!std=*:-Dunix -D__unix -Dlinux -D__linux}                   \
1154     %{std=gnu*:-Dunix -D__unix -Dlinux -D__linux}}}               \
1155 -Asystem=unix -Asystem=posix %{pthread:-D_REENTRANT}"
1156 #endif
1157
1158 /* GNU/Hurd support.  */
1159 #define LIB_GNU_SPEC "%{mnewlib: --start-group -lgnu -lc --end-group } \
1160 %{!mnewlib: %{shared:-lc} %{!shared: %{pthread:-lpthread } \
1161 %{profile:-lc_p} %{!profile:-lc}}}"
1162
1163 #define STARTFILE_GNU_SPEC "\
1164 %{!shared: %{!static: %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}}} \
1165 %{static: %{pg:gcrt0.o%s} %{!pg:%{p:gcrt0.o%s} %{!p:crt0.o%s}}} \
1166 %{mnewlib: ecrti.o%s} %{!mnewlib: crti.o%s} \
1167 %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
1168
1169 #define ENDFILE_GNU_SPEC "%{!shared:crtend.o%s} %{shared:crtendS.o%s} \
1170 %{mnewlib: ecrtn.o%s} %{!mnewlib: crtn.o%s}"
1171
1172 #define LINK_START_GNU_SPEC ""
1173
1174 #define LINK_OS_GNU_SPEC "-m elf32ppclinux %{!shared: %{!static: \
1175   %{rdynamic:-export-dynamic} \
1176   %{!dynamic-linker:-dynamic-linker /lib/ld.so.1}}}"
1177
1178 #define CPP_OS_GNU_SPEC "-D__unix__ -D__gnu_hurd__ -D__GNU__    \
1179 %{!undef:                                                       \
1180   %{!ansi: -Dunix -D__unix}}                                    \
1181 -Asystem=gnu -Asystem=unix -Asystem=posix %{pthread:-D_REENTRANT}"
1182
1183 /* NetBSD support.  */
1184 #define LIB_NETBSD_SPEC "\
1185 %{profile:-lgmon -lc_p} %{!profile:-lc}"
1186
1187 #define STARTFILE_NETBSD_SPEC "\
1188 ncrti.o%s crt0.o%s \
1189 %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
1190
1191 #define ENDFILE_NETBSD_SPEC "\
1192 %{!shared:crtend.o%s} %{shared:crtendS.o%s} \
1193 ncrtn.o%s"
1194
1195 #define LINK_START_NETBSD_SPEC "\
1196 "
1197
1198 #define LINK_OS_NETBSD_SPEC "\
1199 %{!shared: %{!static: \
1200   %{rdynamic:-export-dynamic} \
1201   %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}}}"
1202
1203 #define CPP_OS_NETBSD_SPEC "\
1204 -D__powerpc__ -D__NetBSD__ -D__ELF__ -D__KPRINTF_ATTRIBUTE__"
1205
1206 /* WindISS support.  */
1207
1208 #define LIB_WINDISS_SPEC "--start-group -li -lcfp -lwindiss -lram -limpl -limpfp --end-group"
1209
1210 #define CPP_OS_WINDISS_SPEC "\
1211 -D__rtasim \
1212 -D__EABI__ \
1213 -D__ppc \
1214 %{!msoft-float: -D__hardfp} \
1215 "
1216
1217 #define STARTFILE_WINDISS_SPEC "crt0.o%s crtbegin.o%s"
1218
1219 #define ENDFILE_WINDISS_SPEC "crtend.o%s"
1220
1221 #define LINK_START_WINDISS_SPEC ""
1222
1223 #define LINK_OS_WINDISS_SPEC ""
1224
1225 /* Define any extra SPECS that the compiler needs to generate.  */
1226 /* Override rs6000.h definition.  */
1227 #undef  SUBTARGET_EXTRA_SPECS
1228 #define SUBTARGET_EXTRA_SPECS                                           \
1229   { "cpp_sysv",                 CPP_SYSV_SPEC },                        \
1230   { "crtsavres_default",        CRTSAVRES_DEFAULT_SPEC },              \
1231   { "lib_ads",                  LIB_ADS_SPEC },                         \
1232   { "lib_yellowknife",          LIB_YELLOWKNIFE_SPEC },                 \
1233   { "lib_mvme",                 LIB_MVME_SPEC },                        \
1234   { "lib_sim",                  LIB_SIM_SPEC },                         \
1235   { "lib_freebsd",              LIB_FREEBSD_SPEC },                     \
1236   { "lib_gnu",                  LIB_GNU_SPEC },                         \
1237   { "lib_linux",                LIB_LINUX_SPEC },                       \
1238   { "lib_netbsd",               LIB_NETBSD_SPEC },                      \
1239   { "lib_windiss",              LIB_WINDISS_SPEC },                     \
1240   { "lib_default",              LIB_DEFAULT_SPEC },                     \
1241   { "startfile_ads",            STARTFILE_ADS_SPEC },                   \
1242   { "startfile_yellowknife",    STARTFILE_YELLOWKNIFE_SPEC },           \
1243   { "startfile_mvme",           STARTFILE_MVME_SPEC },                  \
1244   { "startfile_sim",            STARTFILE_SIM_SPEC },                   \
1245   { "startfile_freebsd",        STARTFILE_FREEBSD_SPEC },               \
1246   { "startfile_gnu",            STARTFILE_GNU_SPEC },                   \
1247   { "startfile_linux",          STARTFILE_LINUX_SPEC },                 \
1248   { "startfile_netbsd",         STARTFILE_NETBSD_SPEC },                \
1249   { "startfile_windiss",        STARTFILE_WINDISS_SPEC },               \
1250   { "startfile_default",        STARTFILE_DEFAULT_SPEC },               \
1251   { "endfile_ads",              ENDFILE_ADS_SPEC },                     \
1252   { "endfile_yellowknife",      ENDFILE_YELLOWKNIFE_SPEC },             \
1253   { "endfile_mvme",             ENDFILE_MVME_SPEC },                    \
1254   { "endfile_sim",              ENDFILE_SIM_SPEC },                     \
1255   { "endfile_freebsd",          ENDFILE_FREEBSD_SPEC },                 \
1256   { "endfile_gnu",              ENDFILE_GNU_SPEC },                     \
1257   { "endfile_linux",            ENDFILE_LINUX_SPEC },                   \
1258   { "endfile_netbsd",           ENDFILE_NETBSD_SPEC },                  \
1259   { "endfile_windiss",          ENDFILE_WINDISS_SPEC },                 \
1260   { "endfile_default",          ENDFILE_DEFAULT_SPEC },                 \
1261   { "link_path",                LINK_PATH_SPEC },                       \
1262   { "link_shlib",               LINK_SHLIB_SPEC },                      \
1263   { "link_target",              LINK_TARGET_SPEC },                     \
1264   { "link_start",               LINK_START_SPEC },                      \
1265   { "link_start_ads",           LINK_START_ADS_SPEC },                  \
1266   { "link_start_yellowknife",   LINK_START_YELLOWKNIFE_SPEC },          \
1267   { "link_start_mvme",          LINK_START_MVME_SPEC },                 \
1268   { "link_start_sim",           LINK_START_SIM_SPEC },                  \
1269   { "link_start_freebsd",       LINK_START_FREEBSD_SPEC },              \
1270   { "link_start_gnu",           LINK_START_GNU_SPEC },                  \
1271   { "link_start_linux",         LINK_START_LINUX_SPEC },                \
1272   { "link_start_netbsd",        LINK_START_NETBSD_SPEC },               \
1273   { "link_start_windiss",       LINK_START_WINDISS_SPEC },              \
1274   { "link_start_default",       LINK_START_DEFAULT_SPEC },              \
1275   { "link_os",                  LINK_OS_SPEC },                         \
1276   { "link_os_ads",              LINK_OS_ADS_SPEC },                     \
1277   { "link_os_yellowknife",      LINK_OS_YELLOWKNIFE_SPEC },             \
1278   { "link_os_mvme",             LINK_OS_MVME_SPEC },                    \
1279   { "link_os_sim",              LINK_OS_SIM_SPEC },                     \
1280   { "link_os_freebsd",          LINK_OS_FREEBSD_SPEC },                 \
1281   { "link_os_linux",            LINK_OS_LINUX_SPEC },                   \
1282   { "link_os_gnu",              LINK_OS_GNU_SPEC },                     \
1283   { "link_os_netbsd",           LINK_OS_NETBSD_SPEC },                  \
1284   { "link_os_windiss",          LINK_OS_WINDISS_SPEC },                 \
1285   { "link_os_default",          LINK_OS_DEFAULT_SPEC },                 \
1286   { "cc1_endian_big",           CC1_ENDIAN_BIG_SPEC },                  \
1287   { "cc1_endian_little",        CC1_ENDIAN_LITTLE_SPEC },               \
1288   { "cc1_endian_default",       CC1_ENDIAN_DEFAULT_SPEC },              \
1289   { "cpp_os_ads",               CPP_OS_ADS_SPEC },                      \
1290   { "cpp_os_yellowknife",       CPP_OS_YELLOWKNIFE_SPEC },              \
1291   { "cpp_os_mvme",              CPP_OS_MVME_SPEC },                     \
1292   { "cpp_os_sim",               CPP_OS_SIM_SPEC },                      \
1293   { "cpp_os_freebsd",           CPP_OS_FREEBSD_SPEC },                  \
1294   { "cpp_os_gnu",               CPP_OS_GNU_SPEC },                      \
1295   { "cpp_os_linux",             CPP_OS_LINUX_SPEC },                    \
1296   { "cpp_os_netbsd",            CPP_OS_NETBSD_SPEC },                   \
1297   { "cpp_os_windiss",           CPP_OS_WINDISS_SPEC },                  \
1298   { "cpp_os_default",           CPP_OS_DEFAULT_SPEC },
1299
1300 /* Define this macro as a C expression for the initializer of an
1301    array of string to tell the driver program which options are
1302    defaults for this target and thus do not need to be handled
1303    specially when using `MULTILIB_OPTIONS'.
1304
1305    Do not define this macro if `MULTILIB_OPTIONS' is not defined in
1306    the target makefile fragment or if none of the options listed in
1307    `MULTILIB_OPTIONS' are set by default.  *Note Target Fragment::.  */
1308
1309 #define MULTILIB_DEFAULTS { "mbig", "mcall-sysv" }
1310
1311 /* Define this macro if the code for function profiling should come
1312    before the function prologue.  Normally, the profiling code comes
1313    after.  */
1314 #define PROFILE_BEFORE_PROLOGUE 1
1315
1316 /* Function name to call to do profiling.  */
1317 #define RS6000_MCOUNT "_mcount"
1318
1319 /* Define this macro (to a value of 1) if you want to support the
1320    Win32 style pragmas #pragma pack(push,<n>)' and #pragma
1321    pack(pop)'.  The pack(push,<n>) pragma specifies the maximum
1322    alignment (in bytes) of fields within a structure, in much the
1323    same way as the __aligned__' and __packed__' __attribute__'s
1324    do.  A pack value of zero resets the behavior to the default.
1325    Successive invocations of this pragma cause the previous values to
1326    be stacked, so that invocations of #pragma pack(pop)' will return
1327    to the previous value.  */
1328
1329 #define HANDLE_PRAGMA_PACK_PUSH_POP 1
1330
1331 /* Define library calls for quad FP operations.  These are all part of the
1332    PowerPC 32bit ABI.  */
1333 #define ADDTF3_LIBCALL "_q_add"
1334 #define DIVTF3_LIBCALL "_q_div"
1335 #define EXTENDDFTF2_LIBCALL "_q_dtoq"
1336 #define EQTF2_LIBCALL "_q_feq"
1337 #define GETF2_LIBCALL "_q_fge"
1338 #define GTTF2_LIBCALL "_q_fgt"
1339 #define LETF2_LIBCALL "_q_fle"
1340 #define LTTF2_LIBCALL "_q_flt"
1341 #define NETF2_LIBCALL "_q_fne"
1342 #define FLOATSITF2_LIBCALL "_q_itoq"
1343 #define MULTF3_LIBCALL "_q_mul"
1344 #define NEGTF2_LIBCALL "_q_neg"
1345 #define TRUNCTFDF2_LIBCALL "_q_qtod"
1346 #define FIX_TRUNCTFSI2_LIBCALL "_q_qtoi"
1347 #define TRUNCTFSF2_LIBCALL "_q_qtos"
1348 #define FIXUNS_TRUNCTFSI2_LIBCALL "_q_qtou"
1349 #define SQRTTF_LIBCALL "_q_sqrt"
1350 #define EXTENDSFTF2_LIBCALL "_q_stoq"
1351 #define SUBTF3_LIBCALL "_q_sub"
1352 #define FLOATUNSSITF2_LIBCALL "_q_utoq"
1353
1354 #define INIT_TARGET_OPTABS                                              \
1355   do {                                                                  \
1356     if (TARGET_HARD_FLOAT)                                              \
1357       {                                                                 \
1358         add_optab->handlers[(int) TFmode].libfunc                       \
1359           = init_one_libfunc (ADDTF3_LIBCALL);                          \
1360         sub_optab->handlers[(int) TFmode].libfunc                       \
1361           = init_one_libfunc (SUBTF3_LIBCALL);                          \
1362         neg_optab->handlers[(int) TFmode].libfunc                       \
1363           = init_one_libfunc (NEGTF2_LIBCALL);                          \
1364         smul_optab->handlers[(int) TFmode].libfunc                      \
1365           = init_one_libfunc (MULTF3_LIBCALL);                          \
1366         sdiv_optab->handlers[(int) TFmode].libfunc                      \
1367           = init_one_libfunc (DIVTF3_LIBCALL);                          \
1368         eqtf2_libfunc = init_one_libfunc (EQTF2_LIBCALL);               \
1369         netf2_libfunc = init_one_libfunc (NETF2_LIBCALL);               \
1370         gttf2_libfunc = init_one_libfunc (GTTF2_LIBCALL);               \
1371         getf2_libfunc = init_one_libfunc (GETF2_LIBCALL);               \
1372         lttf2_libfunc = init_one_libfunc (LTTF2_LIBCALL);               \
1373         letf2_libfunc = init_one_libfunc (LETF2_LIBCALL);               \
1374         trunctfsf2_libfunc = init_one_libfunc (TRUNCTFSF2_LIBCALL);     \
1375         trunctfdf2_libfunc = init_one_libfunc (TRUNCTFDF2_LIBCALL);     \
1376         extendsftf2_libfunc = init_one_libfunc (EXTENDSFTF2_LIBCALL);   \
1377         extenddftf2_libfunc = init_one_libfunc (EXTENDDFTF2_LIBCALL);   \
1378         floatsitf_libfunc = init_one_libfunc (FLOATSITF2_LIBCALL);      \
1379         fixtfsi_libfunc = init_one_libfunc (FIX_TRUNCTFSI2_LIBCALL);    \
1380         fixunstfsi_libfunc                                              \
1381           = init_one_libfunc (FIXUNS_TRUNCTFSI2_LIBCALL);               \
1382         if (TARGET_PPC_GPOPT || TARGET_POWER2)                          \
1383           sqrt_optab->handlers[(int) TFmode].libfunc                    \
1384             = init_one_libfunc (SQRTTF_LIBCALL);                        \
1385       }                                                                 \
1386   } while (0)
1387
1388 /* Select a format to encode pointers in exception handling data.  CODE
1389    is 0 for data, 1 for code labels, 2 for function pointers.  GLOBAL is
1390    true if the symbol may be affected by dynamic relocations.  */
1391 #define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL)                            \
1392   ((flag_pic || TARGET_RELOCATABLE)                                          \
1393    ? (((GLOBAL) ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel | DW_EH_PE_sdata4) \
1394    : DW_EH_PE_absptr)
1395
1396 #define TARGET_ASM_EXCEPTION_SECTION readonly_data_section
1397
1398 #define DOUBLE_INT_ASM_OP "\t.quad\t"
1399
1400 /* Generate entries in .fixup for relocatable addresses.  */
1401 #define RELOCATABLE_NEEDS_FIXUP