gcc/config/mips/iris6.h

   1 /* Definitions of target machine for GNU compiler.  Iris version 6.
   2    Copyright (C) 1994, 1995, 1996, 1997, 1998, 2000, 2001 Free Software Foundation, Inc.
   3
   4 This file is part of GNU CC.
   5
   6 GNU CC is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU CC is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU CC; see the file COPYING.  If not, write to
  18 the Free Software Foundation, 59 Temple Place - Suite 330,
  19 Boston, MA 02111-1307, USA.  */
  20
  21 /* Let mips.c know we need the Irix6 functions.  */
  22 #define TARGET_IRIX6 1
  23
  24 /* Default to -mabi=n32 and -mips3.  */
  25 #define MIPS_ISA_DEFAULT 3
  26 #define MIPS_ABI_DEFAULT ABI_N32
  27 #define MULTILIB_DEFAULTS { "mabi=n32" }
  28
  29 #ifndef TARGET_DEFAULT
  30 #define TARGET_DEFAULT (MASK_ABICALLS|MASK_FLOAT64|MASK_64BIT)
  31 #endif
  32
  33 #include "mips/iris5.h"
  34 #include "mips/abi64.h"
  35
  36 /* Irix6 assembler does handle DWARF2 directives.  Override setting in
  37    irix5.h file.  */
  38 #undef DWARF2_UNWIND_INFO
  39
  40 /* The Irix6 assembler will sometimes assign labels to the wrong
  41    section unless the labels are within .ent/.end blocks.  Therefore,
  42    we avoid creating such labels.  */
  43 #define DWARF2_GENERATE_TEXT_SECTION_LABEL 0
  44
  45 /* wchar_t is defined differently with and without -mabi=64.  */
  46
  47 #define NO_BUILTIN_WCHAR_TYPE
  48
  49 #undef WCHAR_TYPE
  50 #define WCHAR_TYPE (Pmode == DImode ? "int" : "long int")
  51
  52 #undef WCHAR_TYPE_SIZE
  53 #define WCHAR_TYPE_SIZE 32
  54
  55 /* Same for wint_t.  */
  56
  57 #define NO_BUILTIN_WINT_TYPE
  58
  59 #undef WINT_TYPE
  60 #define WINT_TYPE (Pmode == DImode ? "int" : "long int")
  61
  62 #undef WINT_TYPE_SIZE
  63 #define WINT_TYPE_SIZE 32
  64
  65 /* For Irix 6, -mabi=64 implies TARGET_LONG64.  */
  66 /* This is handled in override_options.  */
  67
  68 #undef SUBTARGET_CC1_SPEC
  69 #define SUBTARGET_CC1_SPEC ""
  70
  71 /* We must pass -D_LONGLONG always, even when -ansi is used, because irix6
  72    system header files require it.  This is OK, because gcc never warns
  73    when long long is used in system header files.  Alternatively, we can
  74    add support for the SGI builtin type __long_long.  */
  75 #undef CPP_PREDEFINES
  76 #define CPP_PREDEFINES \
  77  "-Dunix -Dmips -Dsgi -Dhost_mips -DMIPSEB -D_MIPSEB -DSYSTYPE_SVR4 \
  78   -D_LONGLONG -D_SVR4_SOURCE -D_MODERN_C -D__DSO__ \
  79   -Asystem=unix -Asystem=svr4 -Acpu=mips -Amachine=sgi"
  80
  81 #undef SUBTARGET_CPP_SIZE_SPEC
  82 #define SUBTARGET_CPP_SIZE_SPEC "\
  83 %{mabi=32|mabi=n32: -D__SIZE_TYPE__=unsigned\\ int -D__PTRDIFF_TYPE__=int \
  84 -D__WCHAR_TYPE__=long\\ int -D__WINT_TYPE__=long\\ int} \
  85 %{mabi=64: -D__SIZE_TYPE__=long\\ unsigned\\ int -D__PTRDIFF_TYPE__=long\\ int \
  86 -D__WCHAR_TYPE__=int -D__WINT_TYPE__=int} \
  87 %{!mabi*: -D__SIZE_TYPE__=unsigned\\ int -D__PTRDIFF_TYPE__=int \
  88 -D__WCHAR_TYPE__=long\\ int -D__WINT_TYPE__=long\\ int}"
  89
  90 /* We must make -mips3 do what -mlong64 used to do.  */
  91 /* ??? If no mipsX option given, but a mabi=X option is, then should set
  92    _MIPS_ISA based on the mabi=X option.  */
  93 /* ??? If no mabi=X option give, but a mipsX option is, then should set
  94    _MIPS_SIM based on the mipsX option.  */
  95 /* ??? Same for _MIPS_SZINT.  */
  96 /* ??? Same for _MIPS_SZPTR.  */
  97 /* ??? Same for __SIZE_TYPE and __PTRDIFF_TYPE.  */
  98 #undef SUBTARGET_CPP_SPEC
  99 #define SUBTARGET_CPP_SPEC "\
 100 %{!ansi:-D__EXTENSIONS__ -D_SGI_SOURCE} \
 101 %{mfp32: -D_MIPS_FPSET=16}%{!mfp32: -D_MIPS_FPSET=32} \
 102 %{mips1: -D_MIPS_ISA=_MIPS_ISA_MIPS1} \
 103 %{mips2: -D_MIPS_ISA=_MIPS_ISA_MIPS2} \
 104 %{mips3: -D_MIPS_ISA=_MIPS_ISA_MIPS3} \
 105 %{mips4: -D_MIPS_ISA=_MIPS_ISA_MIPS4} \
 106 %{!mips*: -D_MIPS_ISA=_MIPS_ISA_MIPS3} \
 107 %{mabi=32: -D_MIPS_SIM=_MIPS_SIM_ABI32} \
 108 %{mabi=n32: -D_ABIN32=2 -D_MIPS_SIM=_ABIN32} \
 109 %{mabi=64: -D_ABI64=3 -D_MIPS_SIM=_ABI64} \
 110 %{!mabi*: -D_ABIN32=2 -D_MIPS_SIM=_ABIN32} \
 111 %{!mint64: -D_MIPS_SZINT=32}%{mint64: -D_MIPS_SZINT=64} \
 112 %{mabi=32: -D_MIPS_SZLONG=32} \
 113 %{mabi=n32: -D_MIPS_SZLONG=32} \
 114 %{mabi=64: -D_MIPS_SZLONG=64} \
 115 %{!mabi*: -D_MIPS_SZLONG=32} \
 116 %{mabi=32: -D_MIPS_SZPTR=32} \
 117 %{mabi=n32: -D_MIPS_SZPTR=32} \
 118 %{mabi=64: -D_MIPS_SZPTR=64} \
 119 %{!mabi*: -D_MIPS_SZPTR=32} \
 120 %{!mips1:%{!mips2: -D_COMPILER_VERSION=601}}            \
 121 %{!mips*: -U__mips -D__mips=3} \
 122 %{mabi=32: -U__mips64} \
 123 %{mabi=n32: -D__mips64} \
 124 %{mabi=64: -D__mips64} \
 125 %{!mabi*: -D__mips64}"
 126
 127 /* Irix 6 uses DWARF-2.  */
 128 #define DWARF2_DEBUGGING_INFO
 129 #define MIPS_DEBUGGING_INFO
 130 #undef PREFERRED_DEBUGGING_TYPE
 131 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
 132
 133 /* Force the generation of dwarf .debug_frame sections even if not
 134    compiling -g.  This guarantees that we can unwind the stack. */
 135 #define DWARF2_FRAME_INFO 1
 136
 137 /* The size in bytes of a DWARF field indicating an offset or length
 138    relative to a debug info section, specified to be 4 bytes in the DWARF-2
 139    specification.  The SGI/MIPS ABI defines it to be the same as PTR_SIZE.  */
 140 #define DWARF_OFFSET_SIZE PTR_SIZE
 141
 142 /* There is no GNU as port for Irix6 yet, so we set MD_EXEC_PREFIX so that
 143    gcc will automatically find SGI as instead of searching the user's path.
 144    The latter can fail when building a cross compiler if the user has . in
 145    the path before /usr/bin, since then gcc will find and try to use the link
 146    to the cross assembler which can't possibly work.  */
 147
 148 #undef MD_EXEC_PREFIX
 149 #define MD_EXEC_PREFIX "/usr/bin/"
 150
 151 /* We have no need for MD_STARTFILE_PREFIX.  */
 152 #undef MD_STARTFILE_PREFIX
 153
 154 #undef MACHINE_TYPE
 155 #define MACHINE_TYPE "SGI running IRIX 6.x"
 156
 157 /* Irix 5 stuff that we don't need for Irix 6.  */
 158 /* ??? We do need this for the -mabi=32 switch though.  */
 159 #undef ASM_OUTPUT_UNDEF_FUNCTION
 160 #undef ASM_OUTPUT_EXTERNAL_LIBCALL
 161 #undef ASM_DECLARE_FUNCTION_SIZE
 162 #undef UNALIGNED_SHORT_ASM_OP
 163 #undef UNALIGNED_INT_ASM_OP
 164
 165 /* Stuff we need for Irix 6 that isn't in Irix 5.  */
 166
 167 /* The SGI assembler doesn't like labels before the .ent, so we must output
 168    the .ent and function name here, which is the normal place for it.  */
 169
 170 #undef ASM_DECLARE_FUNCTION_NAME
 171 #define ASM_DECLARE_FUNCTION_NAME(STREAM, NAME, DECL)                   \
 172   do {                                                                  \
 173     fputs ("\t.ent\t", STREAM);                                         \
 174     assemble_name (STREAM, NAME);                                       \
 175     fputs ("\n", STREAM);                                               \
 176     assemble_name (STREAM, NAME);                                       \
 177     fputs (":\n", STREAM);                                              \
 178   } while (0)
 179
 180 /* Likewise, the SGI assembler doesn't like labels after the .end, so we
 181    must output the .end here.  */
 182 #define ASM_DECLARE_FUNCTION_SIZE(STREAM, NAME, DECL)                   \
 183   do {                                                                  \
 184     fputs ("\t.end\t", STREAM);                                         \
 185     assemble_name (STREAM, NAME);                                       \
 186     fputs ("\n", STREAM);                                               \
 187   } while (0)
 188
 189 /* Tell function_prologue in mips.c that we have already output the .ent/.end
 190    pseudo-ops.  */
 191 #define FUNCTION_NAME_ALREADY_DECLARED
 192
 193 #undef SET_ASM_OP       /* Has no equivalent.  See ASM_OUTPUT_DEF below.  */
 194
 195 #if 0
 196 /* This is *NOT* how to equate one symbol to another symbol.  The assembler
 197    '=' syntax just equates a name to a constant expression.
 198    See ASM_OUTPUT_WEAK_ALIAS.  */
 199
 200 #define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2)                              \
 201  do {   fprintf ((FILE), "\t");                                         \
 202         assemble_name (FILE, LABEL1);                                   \
 203         fprintf (FILE, " = ");                                          \
 204         assemble_name (FILE, LABEL2);                                   \
 205         fprintf (FILE, "\n");                                           \
 206   } while (0)
 207 #endif
 208
 209 /* Define the strings used for the special svr4 .type and .size directives.  */
 210
 211 #define TYPE_ASM_OP     "\t.type\t"
 212 #define SIZE_ASM_OP     "\t.size\t"
 213
 214 /* Irix assembler does not support the init_priority C++ attribute.  */
 215 #undef SUPPORTS_INIT_PRIORITY
 216 #define SUPPORTS_INIT_PRIORITY 0
 217
 218 /* A linker error can empirically be avoided by removing duplicate
 219    library search directories.  */
 220 #define LINK_ELIMINATE_DUPLICATE_LDIRECTORIES 1
 221
 222 #define POPSECTION_ASM_OP       "\t.popsection"
 223
 224 /* ??? If no mabi=X option give, but a mipsX option is, then should depend
 225    on the mipsX option.  */
 226 /* If no mips[3,4] option given, give the appropriate default for mabi=X */
 227 #undef SUBTARGET_ASM_SPEC
 228 #define SUBTARGET_ASM_SPEC "%{!mabi*:-n32} %{!mips*: %{!mabi*:-mips3} %{mabi=n32:-mips3} %{mabi=64:-mips4}}"
 229
 230 /* Must pass -g0 to the assembler, otherwise it may overwrite our
 231    debug info with its own debug info. */
 232 /* Must pass -show instead of -v.  */
 233 /* Must pass -G 0 to the assembler, otherwise we may get warnings about
 234    GOT overflow.  */
 235 /* ??? We pass -w to disable all assembler warnings.  The `label should be
 236    inside .ent/.end block' warning that we get for DWARF II debug info labels
 237    is particularly annoying.  */
 238 #undef SUBTARGET_MIPS_AS_ASM_SPEC
 239 #define SUBTARGET_MIPS_AS_ASM_SPEC "%{v:-show} -G 0 -w"
 240
 241 #undef SUBTARGET_ASM_DEBUGGING_SPEC
 242 #define SUBTARGET_ASM_DEBUGGING_SPEC "-g0"
 243
 244 /* The MIPS assembler occasionally misoptimizes.  Since GCC should be
 245    doing scheduling anyhow, just turn off optimization in the assembler.  */
 246 #undef SUBTARGET_ASM_OPTIMIZING_SPEC
 247 #define SUBTARGET_ASM_OPTIMIZING_SPEC "-O0"
 248
 249 /* The assembler now accepts .section pseudo-ops, but it does not allow
 250    one to change the section in the middle of a function, so we can't use
 251    the INIT_SECTION_ASM_OP code in crtstuff.  But we can build up the ctor
 252    and dtor lists this way, so we use -init and -fini to invoke the
 253    do_global_* functions instead of running collect2.  */
 254
 255 #define BSS_SECTION_ASM_OP      "\t.section\t.bss"
 256 #define CONST_SECTION_ASM_OP_32 "\t.rdata"
 257 #define CONST_SECTION_ASM_OP_64 "\t.section\t.rodata"
 258
 259 /* A default list of other sections which we might be "in" at any given
 260    time.  For targets that use additional sections (e.g. .tdesc) you
 261    should override this definition in the target-specific file which
 262    includes this file.  */
 263
 264 #undef EXTRA_SECTIONS
 265 #define EXTRA_SECTIONS in_sdata, in_rdata, in_const
 266
 267 /* A default list of extra section function definitions.  For targets
 268    that use additional sections (e.g. .tdesc) you should override this
 269    definition in the target-specific file which includes this file.  */
 270
 271 /* ??? rdata_section is now same as svr4 const_section.  */
 272
 273 #undef EXTRA_SECTION_FUNCTIONS
 274 #define EXTRA_SECTION_FUNCTIONS                                         \
 275 void                                                                    \
 276 sdata_section ()                                                        \
 277 {                                                                       \
 278   if (in_section != in_sdata)                                           \
 279     {                                                                   \
 280       fprintf (asm_out_file, "%s\n", SDATA_SECTION_ASM_OP);             \
 281       in_section = in_sdata;                                            \
 282     }                                                                   \
 283 }                                                                       \
 284                                                                         \
 285 void                                                                    \
 286 rdata_section ()                                                        \
 287 {                                                                       \
 288   if (in_section != in_rdata)                                           \
 289     {                                                                   \
 290       if (mips_abi != ABI_32 && mips_abi != ABI_O64)                    \
 291         fprintf (asm_out_file, "%s\n", CONST_SECTION_ASM_OP_64);        \
 292       else                                                              \
 293         fprintf (asm_out_file, "%s\n", CONST_SECTION_ASM_OP_32);        \
 294       in_section = in_rdata;                                            \
 295     }                                                                   \
 296 }                                                                       \
 297                                                                         \
 298 const char *                                                            \
 299 current_section_name ()                                                 \
 300 {                                                                       \
 301   switch (in_section)                                                   \
 302     {                                                                   \
 303     case no_section:    return NULL;                                    \
 304     case in_text:       return ".text";                                 \
 305     case in_data:       return ".data";                                 \
 306     case in_sdata:      return ".sdata";                                \
 307     case in_bss:        return ".bss";                                  \
 308     case in_rdata:                                                      \
 309     case in_const:                                                      \
 310       if (mips_abi != ABI_32 && mips_abi != ABI_O64)                    \
 311         return ".rodata";                                               \
 312       else                                                              \
 313         return ".rdata";                                                \
 314     case in_named:                                                      \
 315       return in_named_name;                                             \
 316     }                                                                   \
 317   abort ();                                                             \
 318 }                                                                       \
 319                                                                         \
 320 unsigned int                                                            \
 321 current_section_flags ()                                                \
 322 {                                                                       \
 323   switch (in_section)                                                   \
 324     {                                                                   \
 325     case no_section:    return 0;                                       \
 326     case in_text:       return SECTION_CODE;                            \
 327     case in_data:       return SECTION_WRITE;                           \
 328     case in_sdata:      return SECTION_WRITE | SECTION_SMALL;           \
 329     case in_bss:        return SECTION_WRITE | SECTION_BSS;             \
 330     case in_rdata:                                                      \
 331     case in_const:      return 0;                                       \
 332     case in_named:      return get_named_section_flags (in_named_name); \
 333     }                                                                   \
 334   abort ();                                                             \
 335 }
 336
 337 /* Switch into a generic section.  */
 338 #undef TARGET_ASM_NAMED_SECTION
 339 #define TARGET_ASM_NAMED_SECTION  iris6_asm_named_section
 340
 341 /* SGI assembler needs all sorts of extra help to do alignment properly.  */
 342 #undef ASM_OUTPUT_ALIGN
 343 #define ASM_OUTPUT_ALIGN iris6_asm_output_align
 344 #undef ASM_FILE_START
 345 #define ASM_FILE_START  iris6_asm_file_start
 346 #undef ASM_FILE_END
 347 #define ASM_FILE_END    iris6_asm_file_end
 348
 349 #undef MAX_OFILE_ALIGNMENT
 350 #define MAX_OFILE_ALIGNMENT (32768*8)
 351
 352 /* ??? SGI assembler may core dump when compiling with -g.
 353    Sometimes as succeeds, but then we get a linker error. (cmds.c in 072.sc)
 354    Getting rid of .file solves both problems.  */
 355 #undef ASM_OUTPUT_FILENAME
 356 #define ASM_OUTPUT_FILENAME(STREAM, NUM_SOURCE_FILENAMES, NAME) \
 357 do                                                              \
 358   {                                                             \
 359     fprintf (STREAM, "\t#.file\t%d ", NUM_SOURCE_FILENAMES);    \
 360     output_quoted_string (STREAM, NAME);                        \
 361     fputs ("\n", STREAM);                                       \
 362   }                                                             \
 363 while (0)
 364
 365 /* ??? SGI assembler gives warning whenever .lcomm is used.  */
 366 #undef ASM_OUTPUT_LOCAL
 367 #define ASM_OUTPUT_ALIGNED_LOCAL(STREAM, NAME, SIZE, ALIGN)                \
 368 do                                                                         \
 369   {                                                                        \
 370     if (mips_abi != ABI_32 && mips_abi != ABI_O64)                         \
 371       {                                                                    \
 372         bss_section ();                                                    \
 373         mips_declare_object (STREAM, NAME, "", ":\n", 0);                  \
 374         ASM_OUTPUT_ALIGN (STREAM, floor_log2 (ALIGN / BITS_PER_UNIT));     \
 375         ASM_OUTPUT_SKIP (STREAM, SIZE);                                    \
 376       }                                                                    \
 377     else                                                                   \
 378       mips_declare_object (STREAM, NAME, "\n\t.lcomm\t", ",%u\n", (SIZE)); \
 379   }                                                                        \
 380 while (0)
 381
 382 /* A C statement (sans semicolon) to output to the stdio stream
 383    FILE the assembler definition of uninitialized global DECL named
 384    NAME whose size is SIZE bytes and alignment is ALIGN bytes.
 385    Try to use asm_output_aligned_bss to implement this macro.  */
 386
 387 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
 388   asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
 389
 390 /* Write the extra assembler code needed to declare an object properly.  */
 391
 392 #undef ASM_DECLARE_OBJECT_NAME
 393 #define ASM_DECLARE_OBJECT_NAME(STREAM, NAME, DECL)                     \
 394 do                                                                      \
 395  {                                                                      \
 396    size_directive_output = 0;                                           \
 397    if (!flag_inhibit_size_directive && DECL_SIZE (DECL))        \
 398      {                                                                  \
 399        size_directive_output = 1;                                       \
 400        fprintf (STREAM, "%s", SIZE_ASM_OP);                             \
 401        assemble_name (STREAM, NAME);                                    \
 402        fprintf (STREAM, ",%d\n", int_size_in_bytes (TREE_TYPE (DECL))); \
 403      }                                                                  \
 404    mips_declare_object (STREAM, NAME, "", ":\n", 0);                    \
 405  }                                                                      \
 406 while (0)
 407
 408 /* Define the `__builtin_va_list' type for the ABI.  On Irix6, this
 409    type is `char *'.  */
 410 #undef BUILD_VA_LIST_TYPE
 411 #define BUILD_VA_LIST_TYPE(VALIST) \
 412   (VALIST) = build_pointer_type (char_type_node)
 413
 414 /* Output the size directive for a decl in rest_of_decl_compilation
 415    in the case where we did not do so before the initializer.
 416    Once we find the error_mark_node, we know that the value of
 417    size_directive_output was set
 418    by ASM_DECLARE_OBJECT_NAME when it was run for the same decl.  */
 419
 420 #define ASM_FINISH_DECLARE_OBJECT(FILE, DECL, TOP_LEVEL, AT_END)         \
 421 do {                                                                     \
 422      const char *name = XSTR (XEXP (DECL_RTL (DECL), 0), 0);             \
 423      if (!flag_inhibit_size_directive && DECL_SIZE (DECL)                \
 424          && ! AT_END && TOP_LEVEL                                        \
 425          && DECL_INITIAL (DECL) == error_mark_node                       \
 426          && !size_directive_output)                                      \
 427        {                                                                 \
 428          size_directive_output = 1;                                      \
 429          fprintf (FILE, "%s", SIZE_ASM_OP);                              \
 430          assemble_name (FILE, name);                                     \
 431          fprintf (FILE, ",%d\n",  int_size_in_bytes (TREE_TYPE (DECL))); \
 432        }                                                                 \
 433    } while (0)
 434
 435 #undef LOCAL_LABEL_PREFIX
 436 #define LOCAL_LABEL_PREFIX ((mips_abi == ABI_32 || mips_abi == ABI_O64) \
 437                             ? "$" : ".")
 438
 439 /* Profiling is supported via libprof1.a not -lc_p as in Irix 3.  */
 440 /* ??? If no mabi=X option give, but a mipsX option is, then should depend
 441    on the mipsX option.  */
 442 #undef STARTFILE_SPEC
 443 #define STARTFILE_SPEC \
 444   "%{!shared: \
 445      %{mabi=32:%{pg:gcrt1.o%s} \
 446        %{!pg:%{p:mcrt1.o%s libprof1.a%s}%{!p:crt1.o%s}}} \
 447      %{mabi=n32: \
 448        %{mips4:%{pg:/usr/lib32/mips4/gcrt1.o%s} \
 449          %{!pg:%{p:/usr/lib32/mips4/mcrt1.o%s /usr/lib32/mips4/libprof1.a%s} \
 450            %{!p:/usr/lib32/mips4/crt1.o%s}}} \
 451        %{!mips4:%{pg:/usr/lib32/mips3/gcrt1.o%s} \
 452          %{!pg:%{p:/usr/lib32/mips3/mcrt1.o%s /usr/lib32/mips3/libprof1.a%s} \
 453            %{!p:/usr/lib32/mips3/crt1.o%s}}}} \
 454      %{mabi=64: \
 455        %{mips4:%{pg:/usr/lib64/mips4/gcrt1.o} \
 456          %{!pg:%{p:/usr/lib64/mips4/mcrt1.o /usr/lib64/mips4/libprof1.a} \
 457            %{!p:/usr/lib64/mips4/crt1.o}}} \
 458        %{!mips4:%{pg:/usr/lib64/mips3/gcrt1.o} \
 459          %{!pg:%{p:/usr/lib64/mips3/mcrt1.o /usr/lib64/mips3/libprof1.a} \
 460            %{!p:/usr/lib64/mips3/crt1.o}}}} \
 461      %{!mabi*: \
 462        %{mips4:%{pg:/usr/lib32/mips4/gcrt1.o%s} \
 463          %{!pg:%{p:/usr/lib32/mips4/mcrt1.o%s /usr/lib32/mips4/libprof1.a%s} \
 464            %{!p:/usr/lib32/mips4/crt1.o%s}}} \
 465        %{!mips4:%{pg:/usr/lib32/mips3/gcrt1.o%s} \
 466          %{!pg:%{p:/usr/lib32/mips3/mcrt1.o%s /usr/lib32/mips3/libprof1.a%s} \
 467            %{!p:/usr/lib32/mips3/crt1.o%s}}}}} \
 468    crtbegin.o%s"
 469
 470 #undef LIB_SPEC
 471 #define LIB_SPEC \
 472   "%{mabi=n32: %{mips4:-L/usr/lib32/mips4} %{!mips4:-L/usr/lib32/mips3} \
 473      -L/usr/lib32} \
 474    %{mabi=64: %{mips4:-L/usr/lib64/mips4} %{!mips4:-L/usr/lib64/mips3} \
 475      -L/usr/lib64} \
 476    %{!mabi*: %{mips4:-L/usr/lib32/mips4} %{!mips4:-L/usr/lib32/mips3} \
 477      -L/usr/lib32} \
 478    %{!shared: \
 479      -dont_warn_unused %{p:libprof1.a%s}%{pg:libprof1.a%s} -lc -warn_unused}"
 480
 481 /* Avoid getting two warnings for libgcc.a everytime we link.  */
 482 #undef LIBGCC_SPEC
 483 #define LIBGCC_SPEC "-dont_warn_unused -lgcc -warn_unused"
 484
 485 /* ??? If no mabi=X option give, but a mipsX option is, then should depend
 486    on the mipsX option.  */
 487 #undef ENDFILE_SPEC
 488 #define ENDFILE_SPEC \
 489   "crtend.o%s \
 490    %{!shared: \
 491      %{mabi=32:crtn.o%s}\
 492      %{mabi=n32:%{mips4:/usr/lib32/mips4/crtn.o%s}\
 493        %{!mips4:/usr/lib32/mips3/crtn.o%s}}\
 494      %{mabi=64:%{mips4:/usr/lib64/mips4/crtn.o%s}\
 495        %{!mips4:/usr/lib64/mips3/crtn.o%s}}\
 496      %{!mabi*:%{mips4:/usr/lib32/mips4/crtn.o%s}\
 497        %{!mips4:/usr/lib32/mips3/crtn.o%s}}}"
 498
 499 /* ??? If no mabi=X option give, but a mipsX option is, then should depend
 500    on the mipsX option.  */
 501 #undef LINK_SPEC
 502 #define LINK_SPEC "\
 503 %{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} %{mips4} \
 504 %{bestGnum} %{shared} %{non_shared} \
 505 %{call_shared} %{no_archive} %{exact_version} %{w} \
 506 %{!shared: %{!non_shared: %{!call_shared: -call_shared -no_unresolved}}} \
 507 %{rpath} -init __do_global_ctors -fini __do_global_dtors \
 508 %{shared:-hidden_symbol __do_global_ctors,__do_global_ctors_1,__do_global_dtors} \
 509 -_SYSTYPE_SVR4 -woff 131 \
 510 %{mabi=32: -32}%{mabi=n32: -n32}%{mabi=64: -64}%{!mabi*: -n32}"