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 GCC.
   7
   8    GCC is free software; you can redistribute it and/or modify it
   9    under the terms of the GNU General Public License as published
  10    by the Free Software Foundation; either version 2, or (at your
  11    option) any later version.
  12
  13    GCC is distributed in the hope that it will be useful, but WITHOUT
  14    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  15    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  16    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 the
  20    Free Software Foundation, 59 Temple Place - Suite 330, Boston,
  21    MA 02111-1307, USA.  */
  22
  23 /* Header files should be C++ aware in general.  */
  24 #define NO_IMPLICIT_EXTERN_C
  25
  26 /* Yes!  We are ELF.  */
  27 #define TARGET_OBJECT_FORMAT OBJECT_ELF
  28
  29 /* Default ABI to compile code for.  */
  30 #define DEFAULT_ABI rs6000_current_abi
  31
  32 /* Default ABI to use.  */
  33 #define RS6000_ABI_NAME "sysv"
  34
  35 /* Override rs6000.h definition.  */
  36 #undef  ASM_DEFAULT_SPEC
  37 #define ASM_DEFAULT_SPEC "-mppc"
  38
  39 /* Small data support types.  */
  40 enum rs6000_sdata_type {
  41   SDATA_NONE,                   /* No small data support.  */
  42   SDATA_DATA,                   /* Just put data in .sbss/.sdata, don't use relocs.  */
  43   SDATA_SYSV,                   /* Use r13 to point to .sdata/.sbss.  */
  44   SDATA_EABI                    /* Use r13 like above, r2 points to .sdata2/.sbss2.  */
  45 };
  46
  47 extern enum rs6000_sdata_type rs6000_sdata;
  48
  49 /* V.4/eabi switches.  */
  50 #define MASK_NO_BITFIELD_TYPE   0x40000000      /* Set PCC_BITFIELD_TYPE_MATTERS to 0.  */
  51 #define MASK_STRICT_ALIGN       0x20000000      /* Set STRICT_ALIGNMENT to 1.  */
  52 #define MASK_RELOCATABLE        0x10000000      /* GOT pointers are PC relative.  */
  53 #define MASK_EABI               0x08000000      /* Adhere to eabi, not System V spec.  */
  54 #define MASK_LITTLE_ENDIAN      0x04000000      /* Target is little endian.  */
  55 #define MASK_REGNAMES           0x02000000      /* Use alternate register names.  */
  56 #define MASK_PROTOTYPE          0x01000000      /* Only prototyped fcns pass variable args.  */
  57 #define MASK_NO_BITFIELD_WORD   0x00800000      /* Bitfields cannot cross word boundaries */
  58
  59 #define TARGET_NO_BITFIELD_TYPE (target_flags & MASK_NO_BITFIELD_TYPE)
  60 #define TARGET_STRICT_ALIGN     (target_flags & MASK_STRICT_ALIGN)
  61 #define TARGET_RELOCATABLE      (target_flags & MASK_RELOCATABLE)
  62 #define TARGET_EABI             (target_flags & MASK_EABI)
  63 #define TARGET_LITTLE_ENDIAN    (target_flags & MASK_LITTLE_ENDIAN)
  64 #define TARGET_REGNAMES         (target_flags & MASK_REGNAMES)
  65 #define TARGET_PROTOTYPE        (target_flags & MASK_PROTOTYPE)
  66 #define TARGET_NO_BITFIELD_WORD (target_flags & MASK_NO_BITFIELD_WORD)
  67 #define TARGET_TOC              ((target_flags & MASK_64BIT)            \
  68                                  || ((target_flags & (MASK_RELOCATABLE  \
  69                                                       | MASK_MINIMAL_TOC)) \
  70                                      && flag_pic > 1)                   \
  71                                  || DEFAULT_ABI == ABI_AIX)
  72
  73 #define TARGET_BITFIELD_TYPE    (! TARGET_NO_BITFIELD_TYPE)
  74 #define TARGET_BIG_ENDIAN       (! TARGET_LITTLE_ENDIAN)
  75 #define TARGET_NO_PROTOTYPE     (! TARGET_PROTOTYPE)
  76 #define TARGET_NO_TOC           (! TARGET_TOC)
  77 #define TARGET_NO_EABI          (! TARGET_EABI)
  78
  79 /* Strings provided by SUBTARGET_OPTIONS */
  80 extern const char *rs6000_abi_name;
  81 extern const char *rs6000_sdata_name;
  82 extern const char *rs6000_tls_size_string; /* For -mtls-size= */
  83
  84 /* Override rs6000.h definition.  */
  85 #undef  SUBTARGET_OPTIONS
  86 #define SUBTARGET_OPTIONS                                                       \
  87   { "call-",  &rs6000_abi_name, N_("Select ABI calling convention"), 0},        \
  88   { "sdata=", &rs6000_sdata_name, N_("Select method for sdata handling"), 0},   \
  89   { "tls-size=", &rs6000_tls_size_string,                                       \
  90    N_("Specify bit size of immediate TLS offsets"), 0 }
  91
  92 /* Max # of bytes for variables to automatically be put into the .sdata
  93    or .sdata2 sections.  */
  94 extern int g_switch_value;              /* Value of the -G xx switch.  */
  95 extern int g_switch_set;                /* Whether -G xx was passed.  */
  96
  97 #define SDATA_DEFAULT_SIZE 8
  98
  99 /* Note, V.4 no longer uses a normal TOC, so make -mfull-toc, be just
 100    the same as -mminimal-toc.  */
 101 /* Override rs6000.h definition.  */
 102 #undef  SUBTARGET_SWITCHES
 103 #define SUBTARGET_SWITCHES                                              \
 104   { "bit-align",        -MASK_NO_BITFIELD_TYPE,                         \
 105     N_("Align to the base type of the bit-field") },                    \
 106   { "no-bit-align",      MASK_NO_BITFIELD_TYPE,                         \
 107     N_("Don't align to the base type of the bit-field") },              \
 108   { "strict-align",      MASK_STRICT_ALIGN,                             \
 109     N_("Don't assume that unaligned accesses are handled by the system") }, \
 110   { "no-strict-align",  -MASK_STRICT_ALIGN,                             \
 111     N_("Assume that unaligned accesses are handled by the system") },   \
 112   { "relocatable",       MASK_RELOCATABLE | MASK_MINIMAL_TOC | MASK_NO_FP_IN_TOC, \
 113     N_("Produce code relocatable at runtime") },                        \
 114   { "no-relocatable",   -MASK_RELOCATABLE,                              \
 115     N_("Don't produce code relocatable at runtime") },                  \
 116   { "relocatable-lib",   MASK_RELOCATABLE | MASK_MINIMAL_TOC | MASK_NO_FP_IN_TOC, \
 117     N_("Produce code relocatable at runtime") },                        \
 118   { "no-relocatable-lib", -MASK_RELOCATABLE,                            \
 119     N_("Don't produce code relocatable at runtime") },                  \
 120   { "little-endian",     MASK_LITTLE_ENDIAN,                            \
 121     N_("Produce little endian code") },                                 \
 122   { "little",            MASK_LITTLE_ENDIAN,                            \
 123     N_("Produce little endian code") },                                 \
 124   { "big-endian",       -MASK_LITTLE_ENDIAN,                            \
 125     N_("Produce big endian code") },                                    \
 126   { "big",              -MASK_LITTLE_ENDIAN,                            \
 127     N_("Produce big endian code") },                                    \
 128   { "no-toc",            0, N_("no description yet") },                 \
 129   { "toc",               MASK_MINIMAL_TOC, N_("no description yet") },  \
 130   { "full-toc",          MASK_MINIMAL_TOC, N_("no description yet") },  \
 131   { "prototype",         MASK_PROTOTYPE, N_("no description yet") },    \
 132   { "no-prototype",     -MASK_PROTOTYPE, N_("no description yet") },    \
 133   { "no-traceback",      0, N_("no description yet") },                 \
 134   { "eabi",              MASK_EABI, N_("Use EABI") },                   \
 135   { "no-eabi",          -MASK_EABI, N_("Don't use EABI") },             \
 136   { "bit-word",         -MASK_NO_BITFIELD_WORD, "" },                   \
 137   { "no-bit-word",       MASK_NO_BITFIELD_WORD,                         \
 138     N_("Do not allow bit-fields to cross word boundaries") },           \
 139   { "regnames",           MASK_REGNAMES,                                \
 140     N_("Use alternate register names") },                               \
 141   { "no-regnames",       -MASK_REGNAMES,                                \
 142     N_("Don't use alternate register names") },                         \
 143   { "sdata",             0, N_("no description yet") },                 \
 144   { "no-sdata",          0, N_("no description yet") },                 \
 145   { "sim",               0,                                             \
 146     N_("Link with libsim.a, libc.a and sim-crt0.o") },                  \
 147   { "ads",               0,                                             \
 148     N_("Link with libads.a, libc.a and crt0.o") },                      \
 149   { "yellowknife",       0,                                             \
 150     N_("Link with libyk.a, libc.a and crt0.o") },                       \
 151   { "mvme",              0,                                             \
 152     N_("Link with libmvme.a, libc.a and crt0.o") },                     \
 153   { "emb",               0,                                             \
 154     N_("Set the PPC_EMB bit in the ELF flags header") },                \
 155   { "windiss",           0, N_("Use the WindISS simulator") },          \
 156   { "shlib",             0, N_("no description yet") },                 \
 157   EXTRA_SUBTARGET_SWITCHES                                              \
 158   { "newlib",            0, N_("no description yet") },
 159
 160 /* This is meant to be redefined in the host dependent files.  */
 161 #define EXTRA_SUBTARGET_SWITCHES
 162
 163 /* Sometimes certain combinations of command options do not make sense
 164    on a particular target machine.  You can define a macro
 165    `OVERRIDE_OPTIONS' to take account of this.  This macro, if
 166    defined, is executed once just after all the command options have
 167    been parsed.
 168
 169    The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to
 170    get control.  */
 171
 172 #define SUBTARGET_OVERRIDE_OPTIONS                                      \
 173 do {                                                                    \
 174   if (!g_switch_set)                                                    \
 175     g_switch_value = SDATA_DEFAULT_SIZE;                                \
 176                                                                         \
 177   if (!strcmp (rs6000_abi_name, "sysv"))                                \
 178     rs6000_current_abi = ABI_V4;                                        \
 179   else if (!strcmp (rs6000_abi_name, "sysv-noeabi"))                    \
 180     {                                                                   \
 181       rs6000_current_abi = ABI_V4;                                      \
 182       target_flags &= ~ MASK_EABI;                                      \
 183     }                                                                   \
 184   else if (!strcmp (rs6000_abi_name, "sysv-eabi")                       \
 185            || !strcmp (rs6000_abi_name, "eabi"))                        \
 186     {                                                                   \
 187       rs6000_current_abi = ABI_V4;                                      \
 188       target_flags |= MASK_EABI;                                        \
 189     }                                                                   \
 190   else if (!strcmp (rs6000_abi_name, "aixdesc"))                        \
 191     rs6000_current_abi = ABI_AIX;                                       \
 192   else if (!strcmp (rs6000_abi_name, "freebsd"))                        \
 193     rs6000_current_abi = ABI_V4;                                        \
 194   else if (!strcmp (rs6000_abi_name, "linux"))                          \
 195     rs6000_current_abi = ABI_V4;                                        \
 196   else if (!strcmp (rs6000_abi_name, "gnu"))                            \
 197     rs6000_current_abi = ABI_V4;                                        \
 198   else if (!strcmp (rs6000_abi_name, "netbsd"))                         \
 199     rs6000_current_abi = ABI_V4;                                        \
 200   else if (!strcmp (rs6000_abi_name, "i960-old"))                       \
 201     {                                                                   \
 202       rs6000_current_abi = ABI_V4;                                      \
 203       target_flags |= (MASK_LITTLE_ENDIAN | MASK_EABI                   \
 204                        | MASK_NO_BITFIELD_WORD);                        \
 205       target_flags &= ~MASK_STRICT_ALIGN;                               \
 206     }                                                                   \
 207   else                                                                  \
 208     {                                                                   \
 209       rs6000_current_abi = ABI_V4;                                      \
 210       error ("bad value for -mcall-%s", rs6000_abi_name);               \
 211     }                                                                   \
 212                                                                         \
 213   if (rs6000_sdata_name)                                                \
 214     {                                                                   \
 215       if (!strcmp (rs6000_sdata_name, "none"))                          \
 216         rs6000_sdata = SDATA_NONE;                                      \
 217       else if (!strcmp (rs6000_sdata_name, "data"))                     \
 218         rs6000_sdata = SDATA_DATA;                                      \
 219       else if (!strcmp (rs6000_sdata_name, "default"))                  \
 220         rs6000_sdata = (TARGET_EABI) ? SDATA_EABI : SDATA_SYSV;         \
 221       else if (!strcmp (rs6000_sdata_name, "sysv"))                     \
 222         rs6000_sdata = SDATA_SYSV;                                      \
 223       else if (!strcmp (rs6000_sdata_name, "eabi"))                     \
 224         rs6000_sdata = SDATA_EABI;                                      \
 225       else                                                              \
 226         error ("bad value for -msdata=%s", rs6000_sdata_name);          \
 227     }                                                                   \
 228   else if (DEFAULT_ABI == ABI_V4)                                       \
 229     {                                                                   \
 230       rs6000_sdata = SDATA_DATA;                                        \
 231       rs6000_sdata_name = "data";                                       \
 232     }                                                                   \
 233   else                                                                  \
 234     {                                                                   \
 235       rs6000_sdata = SDATA_NONE;                                        \
 236       rs6000_sdata_name = "none";                                       \
 237     }                                                                   \
 238                                                                         \
 239   if (TARGET_RELOCATABLE &&                                             \
 240       (rs6000_sdata == SDATA_EABI || rs6000_sdata == SDATA_SYSV))       \
 241     {                                                                   \
 242       rs6000_sdata = SDATA_DATA;                                        \
 243       error ("-mrelocatable and -msdata=%s are incompatible",           \
 244              rs6000_sdata_name);                                        \
 245     }                                                                   \
 246                                                                         \
 247   else if (flag_pic && DEFAULT_ABI != ABI_AIX                           \
 248            && (rs6000_sdata == SDATA_EABI                               \
 249                || rs6000_sdata == SDATA_SYSV))                          \
 250     {                                                                   \
 251       rs6000_sdata = SDATA_DATA;                                        \
 252       error ("-f%s and -msdata=%s are incompatible",                    \
 253              (flag_pic > 1) ? "PIC" : "pic",                            \
 254              rs6000_sdata_name);                                        \
 255     }                                                                   \
 256                                                                         \
 257   if (rs6000_sdata != SDATA_NONE && DEFAULT_ABI != ABI_V4)              \
 258     {                                                                   \
 259       rs6000_sdata = SDATA_NONE;                                        \
 260       error ("-msdata=%s and -mcall-%s are incompatible",               \
 261              rs6000_sdata_name, rs6000_abi_name);                       \
 262     }                                                                   \
 263                                                                         \
 264   targetm.have_srodata_section = rs6000_sdata == SDATA_EABI;            \
 265                                                                         \
 266   if (TARGET_RELOCATABLE && !TARGET_MINIMAL_TOC)                        \
 267     {                                                                   \
 268       target_flags |= MASK_MINIMAL_TOC;                                 \
 269       error ("-mrelocatable and -mno-minimal-toc are incompatible");    \
 270     }                                                                   \
 271                                                                         \
 272   if (TARGET_RELOCATABLE && rs6000_current_abi == ABI_AIX)              \
 273     {                                                                   \
 274       target_flags &= ~MASK_RELOCATABLE;                                \
 275       error ("-mrelocatable and -mcall-%s are incompatible",            \
 276              rs6000_abi_name);                                          \
 277     }                                                                   \
 278                                                                         \
 279   if (flag_pic > 1 && rs6000_current_abi == ABI_AIX)                    \
 280     {                                                                   \
 281       flag_pic = 0;                                                     \
 282       error ("-fPIC and -mcall-%s are incompatible",                    \
 283              rs6000_abi_name);                                          \
 284     }                                                                   \
 285                                                                         \
 286   if (rs6000_current_abi == ABI_AIX && TARGET_LITTLE_ENDIAN)            \
 287     {                                                                   \
 288       target_flags &= ~MASK_LITTLE_ENDIAN;                              \
 289       error ("-mcall-aixdesc must be big endian");                      \
 290     }                                                                   \
 291                                                                         \
 292   /* Treat -fPIC the same as -mrelocatable.  */                         \
 293   if (flag_pic > 1 && DEFAULT_ABI != ABI_AIX)                           \
 294     target_flags |= MASK_RELOCATABLE | MASK_MINIMAL_TOC | MASK_NO_FP_IN_TOC; \
 295                                                                         \
 296   else if (TARGET_RELOCATABLE)                                          \
 297     flag_pic = 2;                                                       \
 298                                                                         \
 299 } while (0)
 300
 301
 302 /* Override rs6000.h definition.  */
 303 #undef  TARGET_DEFAULT
 304 #define TARGET_DEFAULT (MASK_POWERPC | MASK_NEW_MNEMONICS)
 305
 306 /* Override rs6000.h definition.  */
 307 #undef  PROCESSOR_DEFAULT
 308 #define PROCESSOR_DEFAULT PROCESSOR_PPC750
 309
 310 #define FIXED_R2 1
 311 /* System V.4 uses register 13 as a pointer to the small data area,
 312    so it is not available to the normal user.  */
 313 #define FIXED_R13 1
 314
 315 /* Size of the V.4 varargs area if needed.  */
 316 /* Override rs6000.h definition.  */
 317 #undef  RS6000_VARARGS_AREA
 318 #define RS6000_VARARGS_AREA ((cfun->machine->sysv_varargs_p) ? RS6000_VARARGS_SIZE : 0)
 319
 320 /* Override default big endianism definitions in rs6000.h.  */
 321 #undef  BYTES_BIG_ENDIAN
 322 #undef  WORDS_BIG_ENDIAN
 323 #define BYTES_BIG_ENDIAN (TARGET_BIG_ENDIAN)
 324 #define WORDS_BIG_ENDIAN (TARGET_BIG_ENDIAN)
 325
 326 /* Define this to set the endianness to use in libgcc2.c, which can
 327    not depend on target_flags.  */
 328 #if !defined(__LITTLE_ENDIAN__) && !defined(__sun__)
 329 #define LIBGCC2_WORDS_BIG_ENDIAN 1
 330 #else
 331 #define LIBGCC2_WORDS_BIG_ENDIAN 0
 332 #endif
 333
 334 /* Define cutoff for using external functions to save floating point.
 335    Currently on V.4, always use inline stores.  */
 336 #define FP_SAVE_INLINE(FIRST_REG) ((FIRST_REG) < 64)
 337
 338 /* Put jump tables in read-only memory, rather than in .text.  */
 339 #define JUMP_TABLES_IN_TEXT_SECTION 0
 340
 341 /* Prefix and suffix to use to saving floating point.  */
 342 #define SAVE_FP_PREFIX "_savefpr_"
 343 #define SAVE_FP_SUFFIX "_l"
 344
 345 /* Prefix and suffix to use to restoring floating point.  */
 346 #define RESTORE_FP_PREFIX "_restfpr_"
 347 #define RESTORE_FP_SUFFIX "_l"
 348
 349 /* Type used for ptrdiff_t, as a string used in a declaration.  */
 350 #define PTRDIFF_TYPE "int"
 351
 352 /* Type used for wchar_t, as a string used in a declaration.  */
 353 /* Override svr4.h definition.  */
 354 #undef  WCHAR_TYPE
 355 #define WCHAR_TYPE "long int"
 356
 357 /* Width of wchar_t in bits.  */
 358 /* Override svr4.h definition.  */
 359 #undef  WCHAR_TYPE_SIZE
 360 #define WCHAR_TYPE_SIZE 32
 361
 362 /* Make int foo : 8 not cause structures to be aligned to an int boundary.  */
 363 /* Override elfos.h definition.  */
 364 #undef  PCC_BITFIELD_TYPE_MATTERS
 365 #define PCC_BITFIELD_TYPE_MATTERS (TARGET_BITFIELD_TYPE)
 366
 367 #undef  BITFIELD_NBYTES_LIMITED
 368 #define BITFIELD_NBYTES_LIMITED (TARGET_NO_BITFIELD_WORD)
 369
 370 /* Define this macro to be the value 1 if instructions will fail to
 371    work if given data not on the nominal alignment.  If instructions
 372    will merely go slower in that case, define this macro as 0.  */
 373 #undef  STRICT_ALIGNMENT
 374 #define STRICT_ALIGNMENT (TARGET_STRICT_ALIGN)
 375
 376 /* Alignment in bits of the stack boundary.  Note, in order to allow building
 377    one set of libraries with -mno-eabi instead of eabi libraries and non-eabi
 378    versions, just use 64 as the stack boundary.  */
 379 #undef  STACK_BOUNDARY
 380 #define STACK_BOUNDARY  (TARGET_ALTIVEC_ABI ? 128 : 64)
 381
 382 /* Real stack boundary as mandated by the appropriate ABI.  */
 383 #define ABI_STACK_BOUNDARY ((TARGET_EABI && !TARGET_ALTIVEC_ABI) ? 64 : 128)
 384
 385 /* An expression for the alignment of a structure field FIELD if the
 386    alignment computed in the usual way is COMPUTED.  */
 387 #define ADJUST_FIELD_ALIGN(FIELD, COMPUTED)                                   \
 388         ((TARGET_ALTIVEC && TREE_CODE (TREE_TYPE (FIELD)) == VECTOR_TYPE)     \
 389          ? 128 : COMPUTED)
 390
 391 /* Define this macro as an expression for the alignment of a type
 392    (given by TYPE as a tree node) if the alignment computed in the
 393    usual way is COMPUTED and the alignment explicitly specified was
 394    SPECIFIED.  */
 395 #define ROUND_TYPE_ALIGN(TYPE, COMPUTED, SPECIFIED)                     \
 396         ((TARGET_ALTIVEC  && TREE_CODE (TYPE) == VECTOR_TYPE)           \
 397          ? MAX (MAX ((COMPUTED), (SPECIFIED)), 128)                     \
 398          : MAX (COMPUTED, SPECIFIED))
 399
 400 #undef  BIGGEST_FIELD_ALIGNMENT
 401
 402 /* Use ELF style section commands.  */
 403
 404 #define TEXT_SECTION_ASM_OP     "\t.section\t\".text\""
 405
 406 #define DATA_SECTION_ASM_OP     "\t.section\t\".data\""
 407
 408 #define BSS_SECTION_ASM_OP      "\t.section\t\".bss\""
 409
 410 /* Override elfos.h definition.  */
 411 #undef  INIT_SECTION_ASM_OP
 412 #define INIT_SECTION_ASM_OP "\t.section\t\".init\",\"ax\""
 413
 414 /* Override elfos.h definition.  */
 415 #undef  FINI_SECTION_ASM_OP
 416 #define FINI_SECTION_ASM_OP "\t.section\t\".fini\",\"ax\""
 417
 418 #define TOC_SECTION_ASM_OP "\t.section\t\".got\",\"aw\""
 419
 420 /* Put PC relative got entries in .got2.  */
 421 #define MINIMAL_TOC_SECTION_ASM_OP \
 422   (TARGET_RELOCATABLE || (flag_pic && DEFAULT_ABI != ABI_AIX)           \
 423    ? "\t.section\t\".got2\",\"aw\"" : "\t.section\t\".got1\",\"aw\"")
 424
 425 #define SDATA_SECTION_ASM_OP "\t.section\t\".sdata\",\"aw\""
 426 #define SDATA2_SECTION_ASM_OP "\t.section\t\".sdata2\",\"a\""
 427 #define SBSS_SECTION_ASM_OP "\t.section\t\".sbss\",\"aw\",@nobits"
 428
 429 /* Besides the usual ELF sections, we need a toc section.  */
 430 /* Override elfos.h definition.  */
 431 #undef  EXTRA_SECTIONS
 432 #define EXTRA_SECTIONS in_toc, in_sdata, in_sdata2, in_sbss, in_init, in_fini
 433
 434 /* Override elfos.h definition.  */
 435 #undef  EXTRA_SECTION_FUNCTIONS
 436 #define EXTRA_SECTION_FUNCTIONS                                         \
 437   TOC_SECTION_FUNCTION                                                  \
 438   SDATA_SECTION_FUNCTION                                                \
 439   SDATA2_SECTION_FUNCTION                                               \
 440   SBSS_SECTION_FUNCTION                                                 \
 441   INIT_SECTION_FUNCTION                                                 \
 442   FINI_SECTION_FUNCTION
 443
 444 #define TOC_SECTION_FUNCTION                                            \
 445 void                                                                    \
 446 toc_section ()                                                          \
 447 {                                                                       \
 448   if (in_section != in_toc)                                             \
 449     {                                                                   \
 450       in_section = in_toc;                                              \
 451       if (DEFAULT_ABI == ABI_AIX                                        \
 452           && TARGET_MINIMAL_TOC                                         \
 453           && !TARGET_RELOCATABLE)                                       \
 454         {                                                               \
 455           if (! toc_initialized)                                        \
 456             {                                                           \
 457               toc_initialized = 1;                                      \
 458               fprintf (asm_out_file, "%s\n", TOC_SECTION_ASM_OP);       \
 459               (*targetm.asm_out.internal_label) (asm_out_file, "LCTOC", 0); \
 460               fprintf (asm_out_file, "\t.tc ");                         \
 461               ASM_OUTPUT_INTERNAL_LABEL_PREFIX (asm_out_file, "LCTOC1[TC],"); \
 462               ASM_OUTPUT_INTERNAL_LABEL_PREFIX (asm_out_file, "LCTOC1"); \
 463               fprintf (asm_out_file, "\n");                             \
 464                                                                         \
 465               fprintf (asm_out_file, "%s\n", MINIMAL_TOC_SECTION_ASM_OP); \
 466               ASM_OUTPUT_INTERNAL_LABEL_PREFIX (asm_out_file, "LCTOC1"); \
 467               fprintf (asm_out_file, " = .+32768\n");                   \
 468             }                                                           \
 469           else                                                          \
 470             fprintf (asm_out_file, "%s\n", MINIMAL_TOC_SECTION_ASM_OP); \
 471         }                                                               \
 472       else if (DEFAULT_ABI == ABI_AIX && !TARGET_RELOCATABLE)           \
 473         fprintf (asm_out_file, "%s\n", TOC_SECTION_ASM_OP);             \
 474       else                                                              \
 475         {                                                               \
 476           fprintf (asm_out_file, "%s\n", MINIMAL_TOC_SECTION_ASM_OP);   \
 477           if (! toc_initialized)                                        \
 478             {                                                           \
 479               ASM_OUTPUT_INTERNAL_LABEL_PREFIX (asm_out_file, "LCTOC1"); \
 480               fprintf (asm_out_file, " = .+32768\n");                   \
 481               toc_initialized = 1;                                      \
 482             }                                                           \
 483         }                                                               \
 484     }                                                                   \
 485 }                                                                       \
 486                                                                         \
 487 extern int in_toc_section PARAMS ((void));                              \
 488 int in_toc_section ()                                                   \
 489 {                                                                       \
 490   return in_section == in_toc;                                          \
 491 }
 492
 493 #define SDATA_SECTION_FUNCTION                                          \
 494 void                                                                    \
 495 sdata_section ()                                                        \
 496 {                                                                       \
 497   if (in_section != in_sdata)                                           \
 498     {                                                                   \
 499       in_section = in_sdata;                                            \
 500       fprintf (asm_out_file, "%s\n", SDATA_SECTION_ASM_OP);             \
 501     }                                                                   \
 502 }
 503
 504 #define SDATA2_SECTION_FUNCTION                                         \
 505 void                                                                    \
 506 sdata2_section ()                                                       \
 507 {                                                                       \
 508   if (in_section != in_sdata2)                                          \
 509     {                                                                   \
 510       in_section = in_sdata2;                                           \
 511       fprintf (asm_out_file, "%s\n", SDATA2_SECTION_ASM_OP);            \
 512     }                                                                   \
 513 }
 514
 515 #define SBSS_SECTION_FUNCTION                                           \
 516 void                                                                    \
 517 sbss_section ()                                                         \
 518 {                                                                       \
 519   if (in_section != in_sbss)                                            \
 520     {                                                                   \
 521       in_section = in_sbss;                                             \
 522       fprintf (asm_out_file, "%s\n", SBSS_SECTION_ASM_OP);              \
 523     }                                                                   \
 524 }
 525
 526 #define INIT_SECTION_FUNCTION                                           \
 527 void                                                                    \
 528 init_section ()                                                         \
 529 {                                                                       \
 530   if (in_section != in_init)                                            \
 531     {                                                                   \
 532       in_section = in_init;                                             \
 533       fprintf (asm_out_file, "%s\n", INIT_SECTION_ASM_OP);              \
 534     }                                                                   \
 535 }
 536
 537 #define FINI_SECTION_FUNCTION                                           \
 538 void                                                                    \
 539 fini_section ()                                                         \
 540 {                                                                       \
 541   if (in_section != in_fini)                                            \
 542     {                                                                   \
 543       in_section = in_fini;                                             \
 544       fprintf (asm_out_file, "%s\n", FINI_SECTION_ASM_OP);              \
 545     }                                                                   \
 546 }
 547
 548 /* Override default elf definitions.  */
 549 #undef  TARGET_ASM_SELECT_RTX_SECTION
 550 #define TARGET_ASM_SELECT_RTX_SECTION rs6000_elf_select_rtx_section
 551 #undef  TARGET_ASM_SELECT_SECTION
 552 #define TARGET_ASM_SELECT_SECTION  rs6000_elf_select_section
 553 #define TARGET_ASM_UNIQUE_SECTION  rs6000_elf_unique_section
 554
 555 /* Return nonzero if this entry is to be written into the constant pool
 556    in a special way.  We do so if this is a SYMBOL_REF, LABEL_REF or a CONST
 557    containing one of them.  If -mfp-in-toc (the default), we also do
 558    this for floating-point constants.  We actually can only do this
 559    if the FP formats of the target and host machines are the same, but
 560    we can't check that since not every file that uses
 561    GO_IF_LEGITIMATE_ADDRESS_P includes real.h.
 562
 563    Unlike AIX, we don't key off of -mminimal-toc, but instead do not
 564    allow floating point constants in the TOC if -mrelocatable.  */
 565
 566 #undef  ASM_OUTPUT_SPECIAL_POOL_ENTRY_P
 567 #define ASM_OUTPUT_SPECIAL_POOL_ENTRY_P(X, MODE)                        \
 568   (TARGET_TOC                                                           \
 569    && (GET_CODE (X) == SYMBOL_REF                                       \
 570        || (GET_CODE (X) == CONST && GET_CODE (XEXP (X, 0)) == PLUS      \
 571            && GET_CODE (XEXP (XEXP (X, 0), 0)) == SYMBOL_REF)           \
 572        || GET_CODE (X) == LABEL_REF                                     \
 573        || (GET_CODE (X) == CONST_INT                                    \
 574            && GET_MODE_BITSIZE (MODE) <= GET_MODE_BITSIZE (Pmode))      \
 575        || (!TARGET_NO_FP_IN_TOC                                         \
 576            && !TARGET_RELOCATABLE                                       \
 577            && GET_CODE (X) == CONST_DOUBLE                              \
 578            && GET_MODE_CLASS (GET_MODE (X)) == MODE_FLOAT               \
 579            && BITS_PER_WORD == HOST_BITS_PER_INT)))
 580
 581 /* These macros generate the special .type and .size directives which
 582    are used to set the corresponding fields of the linker symbol table
 583    entries in an ELF object file under SVR4.  These macros also output
 584    the starting labels for the relevant functions/objects.  */
 585
 586 /* Write the extra assembler code needed to declare a function properly.
 587    Some svr4 assemblers need to also have something extra said about the
 588    function's return value.  We allow for that here.  */
 589
 590 extern int rs6000_pic_labelno;
 591
 592 /* Override elfos.h definition.  */
 593 #undef  ASM_DECLARE_FUNCTION_NAME
 594 #define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL)                     \
 595   do {                                                                  \
 596     const char *const init_ptr = (TARGET_64BIT) ? ".quad" : ".long";    \
 597                                                                         \
 598     if (TARGET_RELOCATABLE                                              \
 599         && (get_pool_size () != 0 || current_function_profile)          \
 600         && uses_TOC())                                                  \
 601       {                                                                 \
 602         char buf[256];                                                  \
 603                                                                         \
 604         (*targetm.asm_out.internal_label) (FILE, "LCL", rs6000_pic_labelno); \
 605                                                                         \
 606         ASM_GENERATE_INTERNAL_LABEL (buf, "LCTOC", 1);                  \
 607         fprintf (FILE, "\t%s ", init_ptr);                              \
 608         assemble_name (FILE, buf);                                      \
 609         putc ('-', FILE);                                               \
 610         ASM_GENERATE_INTERNAL_LABEL (buf, "LCF", rs6000_pic_labelno);   \
 611         assemble_name (FILE, buf);                                      \
 612         putc ('\n', FILE);                                              \
 613       }                                                                 \
 614                                                                         \
 615     ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "function");                 \
 616     ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL));                      \
 617                                                                         \
 618     if (DEFAULT_ABI == ABI_AIX)                                         \
 619       {                                                                 \
 620         const char *desc_name, *orig_name;                              \
 621                                                                         \
 622         orig_name = (*targetm.strip_name_encoding) (NAME);              \
 623         desc_name = orig_name;                                          \
 624         while (*desc_name == '.')                                       \
 625           desc_name++;                                                  \
 626                                                                         \
 627         if (TREE_PUBLIC (DECL))                                         \
 628           fprintf (FILE, "\t.globl %s\n", desc_name);                   \
 629                                                                         \
 630         fprintf (FILE, "%s\n", MINIMAL_TOC_SECTION_ASM_OP);             \
 631         fprintf (FILE, "%s:\n", desc_name);                             \
 632         fprintf (FILE, "\t%s %s\n", init_ptr, orig_name);               \
 633         fprintf (FILE, "\t%s _GLOBAL_OFFSET_TABLE_\n", init_ptr);       \
 634         if (DEFAULT_ABI == ABI_AIX)                                     \
 635           fprintf (FILE, "\t%s 0\n", init_ptr);                         \
 636         fprintf (FILE, "\t.previous\n");                                \
 637       }                                                                 \
 638     ASM_OUTPUT_LABEL (FILE, NAME);                                      \
 639   } while (0)
 640
 641 /* The USER_LABEL_PREFIX stuff is affected by the -fleading-underscore
 642    flag.  The LOCAL_LABEL_PREFIX variable is used by dbxelf.h.  */
 643
 644 #define LOCAL_LABEL_PREFIX "."
 645 #define USER_LABEL_PREFIX ""
 646
 647 /* svr4.h overrides (*targetm.asm_out.internal_label).  */
 648
 649 #define ASM_OUTPUT_INTERNAL_LABEL_PREFIX(FILE,PREFIX)   \
 650   asm_fprintf (FILE, "%L%s", PREFIX)
 651
 652 /* Globalizing directive for a label.  */
 653 #define GLOBAL_ASM_OP "\t.globl "
 654
 655 /* This says how to output assembler code to declare an
 656    uninitialized internal linkage data object.  Under SVR4,
 657    the linker seems to want the alignment of data objects
 658    to depend on their types.  We do exactly that here.  */
 659
 660 #define LOCAL_ASM_OP    "\t.local\t"
 661
 662 #define LCOMM_ASM_OP    "\t.lcomm\t"
 663
 664 /* Override elfos.h definition.  */
 665 #undef  ASM_OUTPUT_ALIGNED_LOCAL
 666 #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN)               \
 667 do {                                                                    \
 668   if (rs6000_sdata != SDATA_NONE && (SIZE) > 0                          \
 669       && (SIZE) <= g_switch_value)                                      \
 670     {                                                                   \
 671       sbss_section ();                                                  \
 672       ASM_OUTPUT_ALIGN (FILE, exact_log2 (ALIGN / BITS_PER_UNIT));      \
 673       ASM_OUTPUT_LABEL (FILE, NAME);                                    \
 674       ASM_OUTPUT_SKIP (FILE, SIZE);                                     \
 675       if (!flag_inhibit_size_directive && (SIZE) > 0)                   \
 676         ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, SIZE);                   \
 677     }                                                                   \
 678   else                                                                  \
 679     {                                                                   \
 680       fprintf (FILE, "%s", LCOMM_ASM_OP);                               \
 681       assemble_name ((FILE), (NAME));                                   \
 682       fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n",          \
 683                (SIZE), (ALIGN) / BITS_PER_UNIT);                        \
 684     }                                                                   \
 685   ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object");                     \
 686 } while (0)
 687
 688 /* Describe how to emit uninitialized external linkage items.  */
 689 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN)           \
 690 do {                                                                    \
 691   ASM_OUTPUT_ALIGNED_LOCAL (FILE, NAME, SIZE, ALIGN);                   \
 692 } while (0)
 693
 694 #ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
 695 /* To support -falign-* switches we need to use .p2align so
 696    that alignment directives in code sections will be padded
 697    with no-op instructions, rather than zeroes.  */
 698 #define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP)                    \
 699   if ((LOG) != 0)                                                       \
 700     {                                                                   \
 701       if ((MAX_SKIP) == 0)                                              \
 702         fprintf ((FILE), "\t.p2align %d\n", (LOG));                     \
 703       else                                                              \
 704         fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP));     \
 705     }
 706 #endif
 707
 708 /* This is how to output code to push a register on the stack.
 709    It need not be very fast code.
 710
 711    On the rs6000, we must keep the backchain up to date.  In order
 712    to simplify things, always allocate 16 bytes for a push (System V
 713    wants to keep stack aligned to a 16 byte boundary).  */
 714
 715 #define ASM_OUTPUT_REG_PUSH(FILE, REGNO)                                \
 716 do {                                                                    \
 717   if (DEFAULT_ABI == ABI_V4)                                            \
 718     asm_fprintf (FILE,                                                  \
 719                  "\t{stu|stwu} %s,-16(%s)\n\t{st|stw} %s,12(%s)\n",     \
 720                  reg_names[1], reg_names[1], reg_names[REGNO],          \
 721                  reg_names[1]);                                         \
 722 } while (0)
 723
 724 /* This is how to output an insn to pop a register from the stack.
 725    It need not be very fast code.  */
 726
 727 #define ASM_OUTPUT_REG_POP(FILE, REGNO)                                 \
 728 do {                                                                    \
 729   if (DEFAULT_ABI == ABI_V4)                                            \
 730     asm_fprintf (FILE,                                                  \
 731                  "\t{l|lwz} %s,12(%s)\n\t{ai|addic} %s,%s,16\n",        \
 732                  reg_names[REGNO], reg_names[1], reg_names[1],          \
 733                  reg_names[1]);                                         \
 734 } while (0)
 735
 736 /* Switch  Recognition by gcc.c.  Add -G xx support.  */
 737
 738 /* Override svr4.h definition.  */
 739 #undef  SWITCH_TAKES_ARG
 740 #define SWITCH_TAKES_ARG(CHAR)                                          \
 741   ((CHAR) == 'D' || (CHAR) == 'U' || (CHAR) == 'o'                      \
 742    || (CHAR) == 'e' || (CHAR) == 'T' || (CHAR) == 'u'                   \
 743    || (CHAR) == 'I' || (CHAR) == 'm' || (CHAR) == 'x'                   \
 744    || (CHAR) == 'L' || (CHAR) == 'A' || (CHAR) == 'V'                   \
 745    || (CHAR) == 'B' || (CHAR) == 'b' || (CHAR) == 'G')
 746
 747 /* Output .file.  */
 748 /* Override elfos.h definition.  */
 749 #undef  ASM_FILE_START
 750 #define ASM_FILE_START(FILE)                                            \
 751 do {                                                                    \
 752   output_file_directive ((FILE), main_input_filename);                  \
 753   rs6000_file_start (FILE, TARGET_CPU_DEFAULT);                         \
 754 } while (0)
 755
 756
 757 extern int fixuplabelno;
 758
 759 /* Handle constructors specially for -mrelocatable.  */
 760 #define TARGET_ASM_CONSTRUCTOR  rs6000_elf_asm_out_constructor
 761 #define TARGET_ASM_DESTRUCTOR   rs6000_elf_asm_out_destructor
 762
 763 /* This is the end of what might become sysv4.h.  */
 764
 765 /* Use DWARF 2 debugging information by default.  */
 766 #undef  PREFERRED_DEBUGGING_TYPE
 767 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
 768
 769 /* Historically we have also supported stabs debugging.  */
 770 #define DBX_DEBUGGING_INFO 1
 771
 772 #define TARGET_ENCODE_SECTION_INFO  rs6000_elf_encode_section_info
 773 #define TARGET_IN_SMALL_DATA_P  rs6000_elf_in_small_data_p
 774 #define TARGET_SECTION_TYPE_FLAGS  rs6000_elf_section_type_flags
 775
 776 /* The ELF version doesn't encode [DS] or whatever at the end of symbols.  */
 777
 778 #define RS6000_OUTPUT_BASENAME(FILE, NAME)      \
 779     assemble_name (FILE, NAME)
 780
 781 /* We have to output the stabs for the function name *first*, before
 782    outputting its label.  */
 783
 784 #define DBX_FUNCTION_FIRST
 785
 786 /* This is the end of what might become sysv4dbx.h.  */
 787
 788 #ifndef TARGET_VERSION
 789 #define TARGET_VERSION fprintf (stderr, " (PowerPC System V.4)");
 790 #endif
 791 \f
 792 #ifndef TARGET_OS_CPP_BUILTINS
 793 #define TARGET_OS_CPP_BUILTINS()          \
 794   do                                      \
 795     {                                     \
 796       builtin_define_std ("PPC");         \
 797       builtin_define_std ("unix");        \
 798       builtin_define ("__svr4__");        \
 799       builtin_assert ("system=unix");     \
 800       builtin_assert ("system=svr4");     \
 801       builtin_assert ("cpu=powerpc");     \
 802       builtin_assert ("machine=powerpc"); \
 803     }                                     \
 804   while (0)
 805 #endif
 806
 807 /* Pass various options to the assembler.  */
 808 /* Override svr4.h definition.  */
 809 #undef  ASM_SPEC
 810 #define ASM_SPEC "%(asm_cpu) \
 811 %{.s: %{mregnames} %{mno-regnames}} %{.S: %{mregnames} %{mno-regnames}} \
 812 %{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*} \
 813 %{mrelocatable} %{mrelocatable-lib} %{fpic:-K PIC} %{fPIC:-K PIC} \
 814 %{memb|msdata|msdata=eabi: -memb} \
 815 %{mlittle|mlittle-endian:-mlittle; \
 816   mbig|mbig-endian      :-mbig;    \
 817   mcall-aixdesc |                  \
 818   mcall-freebsd |                  \
 819   mcall-netbsd  |                  \
 820   mcall-linux   |                  \
 821   mcall-gnu             :-mbig;    \
 822   mcall-i960-old        :-mlittle}"
 823
 824 #define CC1_ENDIAN_BIG_SPEC ""
 825
 826 #define CC1_ENDIAN_LITTLE_SPEC "\
 827 %{!mstrict-align: %{!mno-strict-align: \
 828     %{!mcall-i960-old: \
 829         -mstrict-align \
 830     } \
 831 }}"
 832
 833 #define CC1_ENDIAN_DEFAULT_SPEC "%(cc1_endian_big)"
 834
 835 /* Pass -G xxx to the compiler and set correct endian mode.  */
 836 #define CC1_SPEC "%{G*} \
 837 %{mlittle|mlittle-endian: %(cc1_endian_little);           \
 838   mbig   |mbig-endian   : %(cc1_endian_big);              \
 839   mcall-aixdesc |                                         \
 840   mcall-freebsd |                                         \
 841   mcall-netbsd  |                                         \
 842   mcall-linux   |                                         \
 843   mcall-gnu             : -mbig %(cc1_endian_big);        \
 844   mcall-i960-old        : -mlittle %(cc1_endian_little);  \
 845                         : %(cc1_endian_default)}          \
 846 %{mno-sdata: -msdata=none } \
 847 %{meabi: %{!mcall-*: -mcall-sysv }} \
 848 %{!meabi: %{!mno-eabi: \
 849     %{mrelocatable: -meabi } \
 850     %{mcall-freebsd: -mno-eabi } \
 851     %{mcall-i960-old: -meabi } \
 852     %{mcall-linux: -mno-eabi } \
 853     %{mcall-gnu: -mno-eabi } \
 854     %{mcall-netbsd: -mno-eabi }}} \
 855 %{msdata: -msdata=default} \
 856 %{mno-sdata: -msdata=none} \
 857 %{profile: -p}"
 858
 859 /* Don't put -Y P,<path> for cross compilers.  */
 860 #ifndef CROSS_COMPILE
 861 #define LINK_PATH_SPEC "\
 862 %{!R*:%{L*:-R %*}} \
 863 %{!nostdlib: %{!YP,*: \
 864     %{compat-bsd: \
 865         %{p:-Y P,/usr/ucblib:/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
 866         %{!p:-Y P,/usr/ucblib:/usr/ccs/lib:/usr/lib}} \
 867         %{!R*: %{!L*: -R /usr/ucblib}} \
 868     %{!compat-bsd: \
 869         %{p:-Y P,/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
 870         %{!p:-Y P,/usr/ccs/lib:/usr/lib}}}}"
 871
 872 #else
 873 #define LINK_PATH_SPEC ""
 874 #endif
 875
 876 /* Default starting address if specified.  */
 877 #define LINK_START_SPEC "\
 878 %{mads         : %(link_start_ads)         ; \
 879   myellowknife : %(link_start_yellowknife) ; \
 880   mmvme        : %(link_start_mvme)        ; \
 881   msim         : %(link_start_sim)         ; \
 882   mwindiss     : %(link_start_windiss)     ; \
 883   mcall-freebsd: %(link_start_freebsd)     ; \
 884   mcall-linux  : %(link_start_linux)       ; \
 885   mcall-gnu    : %(link_start_gnu)         ; \
 886   mcall-netbsd : %(link_start_netbsd)      ; \
 887                : %(link_start_default)     }"
 888
 889 #define LINK_START_DEFAULT_SPEC ""
 890
 891 /* Override svr4.h definition.  */
 892 #undef  LINK_SPEC
 893 #define LINK_SPEC "\
 894 %{h*} %{v:-V} %{!msdata=none:%{G*}} %{msdata=none:-G0} \
 895 %{YP,*} %{R*} \
 896 %{Qy:} %{!Qn:-Qy} \
 897 %(link_shlib) \
 898 %{!Wl,-T*: %{!T*: %(link_start) }} \
 899 %(link_target) \
 900 %(link_os)"
 901
 902 /* For now, turn off shared libraries by default.  */
 903 #ifndef SHARED_LIB_SUPPORT
 904 #define NO_SHARED_LIB_SUPPORT
 905 #endif
 906
 907 #ifndef NO_SHARED_LIB_SUPPORT
 908 /* Shared libraries are default.  */
 909 #define LINK_SHLIB_SPEC "\
 910 %{!static: %(link_path) %{!R*:%{L*:-R %*}}} \
 911 %{mshlib: } \
 912 %{static:-dn -Bstatic} \
 913 %{shared:-G -dy -z text} \
 914 %{symbolic:-Bsymbolic -G -dy -z text}"
 915
 916 #else
 917 /* Shared libraries are not default.  */
 918 #define LINK_SHLIB_SPEC "\
 919 %{mshlib: %(link_path) } \
 920 %{!mshlib: %{!shared: %{!symbolic: -dn -Bstatic}}} \
 921 %{static: } \
 922 %{shared:-G -dy -z text %(link_path) } \
 923 %{symbolic:-Bsymbolic -G -dy -z text %(link_path) }"
 924 #endif
 925
 926 /* Override the default target of the linker.  */
 927 #define LINK_TARGET_SPEC "\
 928 %{mlittle: --oformat elf32-powerpcle } %{mlittle-endian: --oformat elf32-powerpcle } \
 929 %{!mlittle: %{!mlittle-endian: %{!mbig: %{!mbig-endian: \
 930     %{mcall-i960-old: --oformat elf32-powerpcle} \
 931   }}}}"
 932
 933 /* Any specific OS flags.  */
 934 #define LINK_OS_SPEC "\
 935 %{mads         : %(link_os_ads)         ; \
 936   myellowknife : %(link_os_yellowknife) ; \
 937   mmvme        : %(link_os_mvme)        ; \
 938   msim         : %(link_os_sim)         ; \
 939   mwindiss     : %(link_os_windiss)     ; \
 940   mcall-freebsd: %(link_os_freebsd)     ; \
 941   mcall-linux  : %(link_os_linux)       ; \
 942   mcall-gnu    : %(link_os_gnu)         ; \
 943   mcall-netbsd : %(link_os_netbsd)      ; \
 944                : %(link_os_default)     }"
 945
 946 #define LINK_OS_DEFAULT_SPEC ""
 947
 948 #define CPP_SYSV_SPEC \
 949 "%{mrelocatable*: -D_RELOCATABLE} \
 950 %{fpic: -D__PIC__=1 -D__pic__=1} \
 951 %{!fpic: %{fPIC: -D__PIC__=2 -D__pic__=2}}"
 952
 953 /* Override rs6000.h definition.  */
 954 #undef  CPP_SPEC
 955 #define CPP_SPEC "%{posix: -D_POSIX_SOURCE} %(cpp_sysv) \
 956 %{mads         : %(cpp_os_ads)         ; \
 957   myellowknife : %(cpp_os_yellowknife) ; \
 958   mmvme        : %(cpp_os_mvme)        ; \
 959   msim         : %(cpp_os_sim)         ; \
 960   mwindiss     : %(cpp_os_windiss)     ; \
 961   mcall-freebsd: %(cpp_os_freebsd)     ; \
 962   mcall-linux  : %(cpp_os_linux)       ; \
 963   mcall-gnu    : %(cpp_os_gnu)         ; \
 964   mcall-netbsd : %(cpp_os_netbsd)      ; \
 965                : %(cpp_os_default)     }"
 966
 967 #define CPP_OS_DEFAULT_SPEC ""
 968
 969 /* Override svr4.h definition.  */
 970 #undef  STARTFILE_SPEC
 971 #define STARTFILE_SPEC "\
 972 %{mads         : %(startfile_ads)         ; \
 973   myellowknife : %(startfile_yellowknife) ; \
 974   mmvme        : %(startfile_mvme)        ; \
 975   msim         : %(startfile_sim)         ; \
 976   mwindiss     : %(startfile_windiss)     ; \
 977   mcall-freebsd: %(startfile_freebsd)     ; \
 978   mcall-linux  : %(startfile_linux)       ; \
 979   mcall-gnu    : %(startfile_gnu)         ; \
 980   mcall-netbsd : %(startfile_netbsd)      ; \
 981                : %(startfile_default)     }"
 982
 983 #define STARTFILE_DEFAULT_SPEC ""
 984
 985 /* Override svr4.h definition.  */
 986 #undef  LIB_SPEC
 987 #define LIB_SPEC "\
 988 %{mads         : %(lib_ads)         ; \
 989   myellowknife : %(lib_yellowknife) ; \
 990   mmvme        : %(lib_mvme)        ; \
 991   msim         : %(lib_sim)         ; \
 992   mwindiss     : %(lib_windiss)     ; \
 993   mcall-freebsd: %(lib_freebsd)     ; \
 994   mcall-linux  : %(lib_linux)       ; \
 995   mcall-gnu    : %(lib_gnu)         ; \
 996   mcall-netbsd : %(lib_netbsd)      ; \
 997                : %(lib_default)     }"
 998
 999 #define LIB_DEFAULT_SPEC ""
1000
1001 /* Override svr4.h definition.  */
1002 #undef  ENDFILE_SPEC
1003 #define ENDFILE_SPEC "\
1004 %{mads         : crtsavres.o%s        %(endfile_ads)         ; \
1005   myellowknife : crtsavres.o%s        %(endfile_yellowknife) ; \
1006   mmvme        : crtsavres.o%s        %(endfile_mvme)        ; \
1007   msim         : crtsavres.o%s        %(endfile_sim)         ; \
1008   mwindiss     :                      %(endfile_windiss)     ; \
1009   mcall-freebsd: crtsavres.o%s        %(endfile_freebsd)     ; \
1010   mcall-linux  : crtsavres.o%s        %(endfile_linux)       ; \
1011   mcall-gnu    : crtsavres.o%s        %(endfile_gnu)         ; \
1012   mcall-netbsd : crtsavres.o%s        %(endfile_netbsd)      ; \
1013                : %(crtsavres_default) %(endfile_default)     }"
1014
1015 #define CRTSAVRES_DEFAULT_SPEC "crtsavres.o%s"
1016
1017 #define ENDFILE_DEFAULT_SPEC ""
1018
1019 /* Motorola ADS support.  */
1020 #define LIB_ADS_SPEC "--start-group -lads -lc --end-group"
1021
1022 #define STARTFILE_ADS_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s"
1023
1024 #define ENDFILE_ADS_SPEC "crtend.o%s ecrtn.o%s"
1025
1026 #define LINK_START_ADS_SPEC "-T ads.ld%s"
1027
1028 #define LINK_OS_ADS_SPEC ""
1029
1030 #define CPP_OS_ADS_SPEC ""
1031
1032 /* Motorola Yellowknife support.  */
1033 #define LIB_YELLOWKNIFE_SPEC "--start-group -lyk -lc --end-group"
1034
1035 #define STARTFILE_YELLOWKNIFE_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s"
1036
1037 #define ENDFILE_YELLOWKNIFE_SPEC "crtend.o%s ecrtn.o%s"
1038
1039 #define LINK_START_YELLOWKNIFE_SPEC "-T yellowknife.ld%s"
1040
1041 #define LINK_OS_YELLOWKNIFE_SPEC ""
1042
1043 #define CPP_OS_YELLOWKNIFE_SPEC ""
1044
1045 /* Motorola MVME support.  */
1046 #define LIB_MVME_SPEC "--start-group -lmvme -lc --end-group"
1047
1048 #define STARTFILE_MVME_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s"
1049
1050 #define ENDFILE_MVME_SPEC "crtend.o%s ecrtn.o%s"
1051
1052 #define LINK_START_MVME_SPEC "-Ttext 0x40000"
1053
1054 #define LINK_OS_MVME_SPEC ""
1055
1056 #define CPP_OS_MVME_SPEC ""
1057
1058 /* PowerPC simulator based on netbsd system calls support.  */
1059 #define LIB_SIM_SPEC "--start-group -lsim -lc --end-group"
1060
1061 #define STARTFILE_SIM_SPEC "ecrti.o%s sim-crt0.o%s crtbegin.o%s"
1062
1063 #define ENDFILE_SIM_SPEC "crtend.o%s ecrtn.o%s"
1064
1065 #define LINK_START_SIM_SPEC ""
1066
1067 #define LINK_OS_SIM_SPEC "-m elf32ppcsim"
1068
1069 #define CPP_OS_SIM_SPEC ""
1070
1071 /* FreeBSD support.  */
1072
1073 #define CPP_OS_FREEBSD_SPEC     "\
1074   -D__ELF__ -D__PPC__ -D__ppc__ -D__PowerPC__ -D__powerpc__ \
1075   -Acpu=powerpc -Amachine=powerpc"
1076
1077 #define STARTFILE_FREEBSD_SPEC  FBSD_STARTFILE_SPEC
1078 #define ENDFILE_FREEBSD_SPEC    FBSD_ENDFILE_SPEC
1079 #define LIB_FREEBSD_SPEC        FBSD_LIB_SPEC
1080 #define LINK_START_FREEBSD_SPEC ""
1081
1082 #define LINK_OS_FREEBSD_SPEC "\
1083   %{p:%e`-p' not supported; use `-pg' and gprof(1)} \
1084     %{Wl,*:%*} \
1085     %{v:-V} \
1086     %{assert*} %{R*} %{rpath*} %{defsym*} \
1087     %{shared:-Bshareable %{h*} %{soname*}} \
1088     %{!shared: \
1089       %{!static: \
1090         %{rdynamic: -export-dynamic} \
1091         %{!dynamic-linker: -dynamic-linker /usr/libexec/ld-elf.so.1}} \
1092       %{static:-Bstatic}} \
1093     %{symbolic:-Bsymbolic}"
1094
1095 /* GNU/Linux support.  */
1096 #ifdef USE_GNULIBC_1
1097 #define LIB_LINUX_SPEC "%{mnewlib: --start-group -llinux -lc --end-group } \
1098 %{!mnewlib: -lc }"
1099 #else
1100 #define LIB_LINUX_SPEC "%{mnewlib: --start-group -llinux -lc --end-group } \
1101 %{!mnewlib: %{shared:-lc} %{!shared: %{pthread:-lpthread } \
1102 %{profile:-lc_p} %{!profile:-lc}}}"
1103 #endif
1104
1105 #ifdef USE_GNULIBC_1
1106 #define STARTFILE_LINUX_SPEC "\
1107 %{!shared: %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}} \
1108 %{mnewlib: ecrti.o%s} %{!mnewlib: crti.o%s} \
1109 %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
1110 #else
1111 #define STARTFILE_LINUX_SPEC "\
1112 %{!shared: %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}} \
1113 %{mnewlib: ecrti.o%s} %{!mnewlib: crti.o%s} \
1114 %{static:crtbeginT.o%s} \
1115 %{!static:%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}}"
1116 #endif
1117
1118 #define ENDFILE_LINUX_SPEC "%{!shared:crtend.o%s} %{shared:crtendS.o%s} \
1119 %{mnewlib: ecrtn.o%s} %{!mnewlib: crtn.o%s}"
1120
1121 #define LINK_START_LINUX_SPEC ""
1122
1123 #define LINK_OS_LINUX_SPEC "-m elf32ppclinux %{!shared: %{!static: \
1124   %{rdynamic:-export-dynamic} \
1125   %{!dynamic-linker:-dynamic-linker /lib/ld.so.1}}}"
1126
1127 #if !defined(USE_GNULIBC_1) && defined(HAVE_LD_EH_FRAME_HDR)
1128 # define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
1129 #endif
1130
1131 #ifdef USE_GNULIBC_1
1132 #define CPP_OS_LINUX_SPEC "-D__unix__ -D__gnu_linux__ -D__linux__ \
1133 %{!undef:                                                         \
1134   %{!ansi:                                                        \
1135     %{!std=*:-Dunix -D__unix -Dlinux -D__linux}                   \
1136     %{std=gnu*:-Dunix -D__unix -Dlinux -D__linux}}}               \
1137 -Asystem=unix -Asystem=posix"
1138 #else
1139 #define CPP_OS_LINUX_SPEC "-D__unix__ -D__gnu_linux__ -D__linux__ \
1140 %{!undef:                                                         \
1141   %{!ansi:                                                        \
1142     %{!std=*:-Dunix -D__unix -Dlinux -D__linux}                   \
1143     %{std=gnu*:-Dunix -D__unix -Dlinux -D__linux}}}               \
1144 -Asystem=unix -Asystem=posix %{pthread:-D_REENTRANT}"
1145 #endif
1146
1147 /* GNU/Hurd support.  */
1148 #define LIB_GNU_SPEC "%{mnewlib: --start-group -lgnu -lc --end-group } \
1149 %{!mnewlib: %{shared:-lc} %{!shared: %{pthread:-lpthread } \
1150 %{profile:-lc_p} %{!profile:-lc}}}"
1151
1152 #define STARTFILE_GNU_SPEC "\
1153 %{!shared: %{!static: %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}}} \
1154 %{static: %{pg:gcrt0.o%s} %{!pg:%{p:gcrt0.o%s} %{!p:crt0.o%s}}} \
1155 %{mnewlib: ecrti.o%s} %{!mnewlib: crti.o%s} \
1156 %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
1157
1158 #define ENDFILE_GNU_SPEC "%{!shared:crtend.o%s} %{shared:crtendS.o%s} \
1159 %{mnewlib: ecrtn.o%s} %{!mnewlib: crtn.o%s}"
1160
1161 #define LINK_START_GNU_SPEC ""
1162
1163 #define LINK_OS_GNU_SPEC "-m elf32ppclinux %{!shared: %{!static: \
1164   %{rdynamic:-export-dynamic} \
1165   %{!dynamic-linker:-dynamic-linker /lib/ld.so.1}}}"
1166
1167 #define CPP_OS_GNU_SPEC "-D__unix__ -D__gnu_hurd__ -D__GNU__    \
1168 %{!undef:                                                       \
1169   %{!ansi: -Dunix -D__unix}}                                    \
1170 -Asystem=gnu -Asystem=unix -Asystem=posix %{pthread:-D_REENTRANT}"
1171
1172 /* NetBSD support.  */
1173 #define LIB_NETBSD_SPEC "\
1174 %{profile:-lgmon -lc_p} %{!profile:-lc}"
1175
1176 #define STARTFILE_NETBSD_SPEC "\
1177 ncrti.o%s crt0.o%s \
1178 %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
1179
1180 #define ENDFILE_NETBSD_SPEC "\
1181 %{!shared:crtend.o%s} %{shared:crtendS.o%s} \
1182 ncrtn.o%s"
1183
1184 #define LINK_START_NETBSD_SPEC "\
1185 "
1186
1187 #define LINK_OS_NETBSD_SPEC "\
1188 %{!shared: %{!static: \
1189   %{rdynamic:-export-dynamic} \
1190   %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}}}"
1191
1192 #define CPP_OS_NETBSD_SPEC "\
1193 -D__powerpc__ -D__NetBSD__ -D__ELF__ -D__KPRINTF_ATTRIBUTE__"
1194
1195 /* WindISS support.  */
1196
1197 #define LIB_WINDISS_SPEC "--start-group -li -lcfp -lwindiss -lram -limpl -limpfp --end-group"
1198
1199 #define CPP_OS_WINDISS_SPEC "\
1200 -D__rtasim \
1201 -D__EABI__ \
1202 -D__ppc \
1203 %{!msoft-float: -D__hardfp} \
1204 "
1205
1206 #define STARTFILE_WINDISS_SPEC "crt0.o%s crtbegin.o%s"
1207
1208 #define ENDFILE_WINDISS_SPEC "crtend.o%s"
1209
1210 #define LINK_START_WINDISS_SPEC ""
1211
1212 #define LINK_OS_WINDISS_SPEC ""
1213
1214 /* Define any extra SPECS that the compiler needs to generate.  */
1215 /* Override rs6000.h definition.  */
1216 #undef  SUBTARGET_EXTRA_SPECS
1217 #define SUBTARGET_EXTRA_SPECS                                           \
1218   { "cpp_sysv",                 CPP_SYSV_SPEC },                        \
1219   { "crtsavres_default",        CRTSAVRES_DEFAULT_SPEC },              \
1220   { "lib_ads",                  LIB_ADS_SPEC },                         \
1221   { "lib_yellowknife",          LIB_YELLOWKNIFE_SPEC },                 \
1222   { "lib_mvme",                 LIB_MVME_SPEC },                        \
1223   { "lib_sim",                  LIB_SIM_SPEC },                         \
1224   { "lib_freebsd",              LIB_FREEBSD_SPEC },                     \
1225   { "lib_gnu",                  LIB_GNU_SPEC },                         \
1226   { "lib_linux",                LIB_LINUX_SPEC },                       \
1227   { "lib_netbsd",               LIB_NETBSD_SPEC },                      \
1228   { "lib_windiss",              LIB_WINDISS_SPEC },                     \
1229   { "lib_default",              LIB_DEFAULT_SPEC },                     \
1230   { "startfile_ads",            STARTFILE_ADS_SPEC },                   \
1231   { "startfile_yellowknife",    STARTFILE_YELLOWKNIFE_SPEC },           \
1232   { "startfile_mvme",           STARTFILE_MVME_SPEC },                  \
1233   { "startfile_sim",            STARTFILE_SIM_SPEC },                   \
1234   { "startfile_freebsd",        STARTFILE_FREEBSD_SPEC },               \
1235   { "startfile_gnu",            STARTFILE_GNU_SPEC },                   \
1236   { "startfile_linux",          STARTFILE_LINUX_SPEC },                 \
1237   { "startfile_netbsd",         STARTFILE_NETBSD_SPEC },                \
1238   { "startfile_windiss",        STARTFILE_WINDISS_SPEC },               \
1239   { "startfile_default",        STARTFILE_DEFAULT_SPEC },               \
1240   { "endfile_ads",              ENDFILE_ADS_SPEC },                     \
1241   { "endfile_yellowknife",      ENDFILE_YELLOWKNIFE_SPEC },             \
1242   { "endfile_mvme",             ENDFILE_MVME_SPEC },                    \
1243   { "endfile_sim",              ENDFILE_SIM_SPEC },                     \
1244   { "endfile_freebsd",          ENDFILE_FREEBSD_SPEC },                 \
1245   { "endfile_gnu",              ENDFILE_GNU_SPEC },                     \
1246   { "endfile_linux",            ENDFILE_LINUX_SPEC },                   \
1247   { "endfile_netbsd",           ENDFILE_NETBSD_SPEC },                  \
1248   { "endfile_windiss",          ENDFILE_WINDISS_SPEC },                 \
1249   { "endfile_default",          ENDFILE_DEFAULT_SPEC },                 \
1250   { "link_path",                LINK_PATH_SPEC },                       \
1251   { "link_shlib",               LINK_SHLIB_SPEC },                      \
1252   { "link_target",              LINK_TARGET_SPEC },                     \
1253   { "link_start",               LINK_START_SPEC },                      \
1254   { "link_start_ads",           LINK_START_ADS_SPEC },                  \
1255   { "link_start_yellowknife",   LINK_START_YELLOWKNIFE_SPEC },          \
1256   { "link_start_mvme",          LINK_START_MVME_SPEC },                 \
1257   { "link_start_sim",           LINK_START_SIM_SPEC },                  \
1258   { "link_start_freebsd",       LINK_START_FREEBSD_SPEC },              \
1259   { "link_start_gnu",           LINK_START_GNU_SPEC },                  \
1260   { "link_start_linux",         LINK_START_LINUX_SPEC },                \
1261   { "link_start_netbsd",        LINK_START_NETBSD_SPEC },               \
1262   { "link_start_windiss",       LINK_START_WINDISS_SPEC },              \
1263   { "link_start_default",       LINK_START_DEFAULT_SPEC },              \
1264   { "link_os",                  LINK_OS_SPEC },                         \
1265   { "link_os_ads",              LINK_OS_ADS_SPEC },                     \
1266   { "link_os_yellowknife",      LINK_OS_YELLOWKNIFE_SPEC },             \
1267   { "link_os_mvme",             LINK_OS_MVME_SPEC },                    \
1268   { "link_os_sim",              LINK_OS_SIM_SPEC },                     \
1269   { "link_os_freebsd",          LINK_OS_FREEBSD_SPEC },                 \
1270   { "link_os_linux",            LINK_OS_LINUX_SPEC },                   \
1271   { "link_os_gnu",              LINK_OS_GNU_SPEC },                     \
1272   { "link_os_netbsd",           LINK_OS_NETBSD_SPEC },                  \
1273   { "link_os_windiss",          LINK_OS_WINDISS_SPEC },                 \
1274   { "link_os_default",          LINK_OS_DEFAULT_SPEC },                 \
1275   { "cc1_endian_big",           CC1_ENDIAN_BIG_SPEC },                  \
1276   { "cc1_endian_little",        CC1_ENDIAN_LITTLE_SPEC },               \
1277   { "cc1_endian_default",       CC1_ENDIAN_DEFAULT_SPEC },              \
1278   { "cpp_os_ads",               CPP_OS_ADS_SPEC },                      \
1279   { "cpp_os_yellowknife",       CPP_OS_YELLOWKNIFE_SPEC },              \
1280   { "cpp_os_mvme",              CPP_OS_MVME_SPEC },                     \
1281   { "cpp_os_sim",               CPP_OS_SIM_SPEC },                      \
1282   { "cpp_os_freebsd",           CPP_OS_FREEBSD_SPEC },                  \
1283   { "cpp_os_gnu",               CPP_OS_GNU_SPEC },                      \
1284   { "cpp_os_linux",             CPP_OS_LINUX_SPEC },                    \
1285   { "cpp_os_netbsd",            CPP_OS_NETBSD_SPEC },                   \
1286   { "cpp_os_windiss",           CPP_OS_WINDISS_SPEC },                  \
1287   { "cpp_os_default",           CPP_OS_DEFAULT_SPEC },
1288
1289 /* Define this macro as a C expression for the initializer of an
1290    array of string to tell the driver program which options are
1291    defaults for this target and thus do not need to be handled
1292    specially when using `MULTILIB_OPTIONS'.
1293
1294    Do not define this macro if `MULTILIB_OPTIONS' is not defined in
1295    the target makefile fragment or if none of the options listed in
1296    `MULTILIB_OPTIONS' are set by default.  *Note Target Fragment::.  */
1297
1298 #define MULTILIB_DEFAULTS { "mbig", "mcall-sysv" }
1299
1300 /* Define this macro if the code for function profiling should come
1301    before the function prologue.  Normally, the profiling code comes
1302    after.  */
1303 #define PROFILE_BEFORE_PROLOGUE 1
1304
1305 /* Function name to call to do profiling.  */
1306 #define RS6000_MCOUNT "_mcount"
1307
1308 /* Define this macro (to a value of 1) if you want to support the
1309    Win32 style pragmas #pragma pack(push,<n>)' and #pragma
1310    pack(pop)'.  The pack(push,<n>) pragma specifies the maximum
1311    alignment (in bytes) of fields within a structure, in much the
1312    same way as the __aligned__' and __packed__' __attribute__'s
1313    do.  A pack value of zero resets the behavior to the default.
1314    Successive invocations of this pragma cause the previous values to
1315    be stacked, so that invocations of #pragma pack(pop)' will return
1316    to the previous value.  */
1317
1318 #define HANDLE_PRAGMA_PACK_PUSH_POP 1
1319
1320 /* Define library calls for quad FP operations.  These are all part of the
1321    PowerPC 32bit ABI.  */
1322 #define ADDTF3_LIBCALL "_q_add"
1323 #define DIVTF3_LIBCALL "_q_div"
1324 #define EXTENDDFTF2_LIBCALL "_q_dtoq"
1325 #define EQTF2_LIBCALL "_q_feq"
1326 #define GETF2_LIBCALL "_q_fge"
1327 #define GTTF2_LIBCALL "_q_fgt"
1328 #define LETF2_LIBCALL "_q_fle"
1329 #define LTTF2_LIBCALL "_q_flt"
1330 #define NETF2_LIBCALL "_q_fne"
1331 #define FLOATSITF2_LIBCALL "_q_itoq"
1332 #define MULTF3_LIBCALL "_q_mul"
1333 #define NEGTF2_LIBCALL "_q_neg"
1334 #define TRUNCTFDF2_LIBCALL "_q_qtod"
1335 #define FIX_TRUNCTFSI2_LIBCALL "_q_qtoi"
1336 #define TRUNCTFSF2_LIBCALL "_q_qtos"
1337 #define FIXUNS_TRUNCTFSI2_LIBCALL "_q_qtou"
1338 #define SQRTTF_LIBCALL "_q_sqrt"
1339 #define EXTENDSFTF2_LIBCALL "_q_stoq"
1340 #define SUBTF3_LIBCALL "_q_sub"
1341 #define FLOATUNSSITF2_LIBCALL "_q_utoq"
1342
1343 #define INIT_TARGET_OPTABS                                              \
1344   do {                                                                  \
1345     if (TARGET_HARD_FLOAT)                                              \
1346       {                                                                 \
1347         add_optab->handlers[(int) TFmode].libfunc                       \
1348           = init_one_libfunc (ADDTF3_LIBCALL);                          \
1349         sub_optab->handlers[(int) TFmode].libfunc                       \
1350           = init_one_libfunc (SUBTF3_LIBCALL);                          \
1351         neg_optab->handlers[(int) TFmode].libfunc                       \
1352           = init_one_libfunc (NEGTF2_LIBCALL);                          \
1353         smul_optab->handlers[(int) TFmode].libfunc                      \
1354           = init_one_libfunc (MULTF3_LIBCALL);                          \
1355         sdiv_optab->handlers[(int) TFmode].libfunc                      \
1356           = init_one_libfunc (DIVTF3_LIBCALL);                          \
1357         eqtf2_libfunc = init_one_libfunc (EQTF2_LIBCALL);               \
1358         netf2_libfunc = init_one_libfunc (NETF2_LIBCALL);               \
1359         gttf2_libfunc = init_one_libfunc (GTTF2_LIBCALL);               \
1360         getf2_libfunc = init_one_libfunc (GETF2_LIBCALL);               \
1361         lttf2_libfunc = init_one_libfunc (LTTF2_LIBCALL);               \
1362         letf2_libfunc = init_one_libfunc (LETF2_LIBCALL);               \
1363         trunctfsf2_libfunc = init_one_libfunc (TRUNCTFSF2_LIBCALL);     \
1364         trunctfdf2_libfunc = init_one_libfunc (TRUNCTFDF2_LIBCALL);     \
1365         extendsftf2_libfunc = init_one_libfunc (EXTENDSFTF2_LIBCALL);   \
1366         extenddftf2_libfunc = init_one_libfunc (EXTENDDFTF2_LIBCALL);   \
1367         floatsitf_libfunc = init_one_libfunc (FLOATSITF2_LIBCALL);      \
1368         fixtfsi_libfunc = init_one_libfunc (FIX_TRUNCTFSI2_LIBCALL);    \
1369         fixunstfsi_libfunc                                              \
1370           = init_one_libfunc (FIXUNS_TRUNCTFSI2_LIBCALL);               \
1371         if (TARGET_PPC_GPOPT || TARGET_POWER2)                          \
1372           sqrt_optab->handlers[(int) TFmode].libfunc                    \
1373             = init_one_libfunc (SQRTTF_LIBCALL);                        \
1374       }                                                                 \
1375   } while (0)
1376
1377 /* Select a format to encode pointers in exception handling data.  CODE
1378    is 0 for data, 1 for code labels, 2 for function pointers.  GLOBAL is
1379    true if the symbol may be affected by dynamic relocations.  */
1380 #define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL)                            \
1381   ((flag_pic || TARGET_RELOCATABLE)                                          \
1382    ? (((GLOBAL) ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel | DW_EH_PE_sdata4) \
1383    : DW_EH_PE_absptr)
1384
1385 #define TARGET_ASM_EXCEPTION_SECTION readonly_data_section
1386
1387 #define DOUBLE_INT_ASM_OP "\t.quad\t"
1388
1389 /* Generate entries in .fixup for relocatable addresses.  */
1390 #define RELOCATABLE_NEEDS_FIXUP