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, 2002
   3    Free Software Foundation, Inc.
   4
   5 This file is part of GNU CC.
   6
   7 GNU CC is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2, or (at your option)
  10 any later version.
  11
  12 GNU CC is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GNU CC; see the file COPYING.  If not, write to
  19 the Free Software Foundation, 59 Temple Place - Suite 330,
  20 Boston, MA 02111-1307, USA.  */
  21
  22 /* Let mips.c know we need the Irix6 functions.  */
  23 #define TARGET_IRIX6 1
  24
  25 /* Default to -mabi=n32 and -mips3.  */
  26 #define MIPS_ISA_DEFAULT 3
  27 #define MIPS_ABI_DEFAULT ABI_N32
  28 #define MULTILIB_DEFAULTS { "mabi=n32" }
  29
  30 #ifndef TARGET_DEFAULT
  31 #define TARGET_DEFAULT (MASK_ABICALLS|MASK_FLOAT64|MASK_64BIT)
  32 #endif
  33
  34 #include "mips/iris5.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 #undef WCHAR_TYPE
  48 #define WCHAR_TYPE (Pmode == DImode ? "int" : "long int")
  49
  50 #undef WCHAR_TYPE_SIZE
  51 #define WCHAR_TYPE_SIZE 32
  52
  53 /* Same for wint_t.  */
  54
  55 #undef WINT_TYPE
  56 #define WINT_TYPE (Pmode == DImode ? "int" : "long int")
  57
  58 #undef WINT_TYPE_SIZE
  59 #define WINT_TYPE_SIZE 32
  60
  61 /* For Irix 6, -mabi=64 implies TARGET_LONG64.  */
  62 /* This is handled in override_options.  */
  63
  64 #undef SUBTARGET_CC1_SPEC
  65 #define SUBTARGET_CC1_SPEC ""
  66
  67 /* We must pass -D_LONGLONG always, even when -ansi is used, because irix6
  68    system header files require it.  This is OK, because gcc never warns
  69    when long long is used in system header files.  Alternatively, we can
  70    add support for the SGI builtin type __long_long.  */
  71
  72 /* The GNU C++ standard library requires that __EXTENSIONS__ and
  73    _SGI_SOURCE be defined on at least irix6.2 and probably all IRIX 6
  74    prior to 6.5.  They normally get defined if !ansi, for g++ we want
  75    them regardless.  We don't need this on IRIX 6.5 itself, but it
  76    shouldn't hurt other than the namespace pollution.  */
  77
  78 /* Undefine because this includes iris5.h.  */
  79 #undef  TARGET_OS_CPP_BUILTINS
  80 #define TARGET_OS_CPP_BUILTINS()                        \
  81     do {                                                \
  82         builtin_define_std ("host_mips");               \
  83         builtin_define ("_LONGLONG");                   \
  84         builtin_define ("_MODERN_C");                   \
  85         builtin_define ("_SVR4_SOURCE");                \
  86         builtin_define_std ("SYSTYPE_SVR4");            \
  87         builtin_define ("__DSO__");                     \
  88         builtin_define_std ("unix");                    \
  89         builtin_define_std ("sgi");                     \
  90         builtin_assert ("system=svr4");                 \
  91         builtin_assert ("system=unix");                 \
  92         builtin_assert ("machine=sgi");                 \
  93                                                         \
  94      if (mips_abi == ABI_32)                            \
  95       {                                                 \
  96         builtin_define ("_MIPS_SIM=_MIPS_SIM_ABI32");   \
  97         builtin_define ("_MIPS_SZLONG=32");             \
  98         builtin_define ("_MIPS_SZPTR=32");              \
  99       }                                                 \
 100      else if (mips_abi == ABI_64)                       \
 101       {                                                 \
 102         builtin_define ("_ABI64=3");                    \
 103         builtin_define ("_MIPS_SIM=_ABI64");            \
 104         builtin_define ("_MIPS_SZLONG=64");             \
 105         builtin_define ("_MIPS_SZPTR=64");              \
 106       }                                                 \
 107      else                                               \
 108       {                                                 \
 109         builtin_define ("_ABIN32=2");                   \
 110         builtin_define ("_MIPS_SIM=_ABIN32");           \
 111         builtin_define ("_MIPS_SZLONG=32");             \
 112         builtin_define ("_MIPS_SZPTR=32");              \
 113       }                                                 \
 114                                                         \
 115      if (!TARGET_FLOAT64)                               \
 116         builtin_define ("_MIPS_FPSET=16");              \
 117      else                                               \
 118         builtin_define ("_MIPS_FPSET=32");              \
 119                                                         \
 120      if (!TARGET_INT64)                                 \
 121         builtin_define ("_MIPS_SZINT=32");              \
 122      else                                               \
 123         builtin_define ("_MIPS_SZINT=64");              \
 124                                                         \
 125      if (!ISA_MIPS1 && !ISA_MIPS2)                      \
 126         builtin_define ("_COMPILER_VERSION=601");       \
 127                                                         \
 128      if (c_language == clk_cplusplus)                   \
 129       {                                                 \
 130         builtin_define ("__EXTENSIONS__");              \
 131         builtin_define ("_SGI_SOURCE");                 \
 132       }                                                 \
 133                                                         \
 134      if (!flag_iso)                                     \
 135        {                                                \
 136          builtin_define ("__EXTENSIONS__");             \
 137          builtin_define ("_SGI_SOURCE");                \
 138        }                                                \
 139 } while (0)
 140
 141 /* Irix 6 uses DWARF-2.  */
 142 #define DWARF2_DEBUGGING_INFO 1
 143 #define MIPS_DEBUGGING_INFO 1
 144 #undef PREFERRED_DEBUGGING_TYPE
 145 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
 146
 147 /* Force the generation of dwarf .debug_frame sections even if not
 148    compiling -g.  This guarantees that we can unwind the stack.  */
 149 #define DWARF2_FRAME_INFO 1
 150
 151 /* The size in bytes of a DWARF field indicating an offset or length
 152    relative to a debug info section, specified to be 4 bytes in the DWARF-2
 153    specification.  The SGI/MIPS ABI defines it to be the same as PTR_SIZE.  */
 154 #define DWARF_OFFSET_SIZE PTR_SIZE
 155
 156 /* There is no GNU as port for Irix6 yet, so we set MD_EXEC_PREFIX so that
 157    gcc will automatically find SGI as instead of searching the user's path.
 158    The latter can fail when building a cross compiler if the user has . in
 159    the path before /usr/bin, since then gcc will find and try to use the link
 160    to the cross assembler which can't possibly work.  */
 161
 162 #undef MD_EXEC_PREFIX
 163 #define MD_EXEC_PREFIX "/usr/bin/"
 164
 165 /* We have no need for MD_STARTFILE_PREFIX.  */
 166 #undef MD_STARTFILE_PREFIX
 167
 168 #undef MACHINE_TYPE
 169 #define MACHINE_TYPE "SGI running IRIX 6.x"
 170
 171 /* Irix 5 stuff that we don't need for Irix 6.  */
 172 /* ??? We do need this for the -mabi=32 switch though.  */
 173 #undef ASM_OUTPUT_UNDEF_FUNCTION
 174 #undef ASM_OUTPUT_EXTERNAL_LIBCALL
 175 #undef ASM_DECLARE_FUNCTION_SIZE
 176
 177 /* Stuff we need for Irix 6 that isn't in Irix 5.  */
 178
 179 /* The SGI assembler doesn't like labels before the .ent, so we must output
 180    the .ent and function name here, which is the normal place for it.  */
 181
 182 #undef ASM_DECLARE_FUNCTION_NAME
 183 #define ASM_DECLARE_FUNCTION_NAME(STREAM, NAME, DECL)                   \
 184   do {                                                                  \
 185     fputs ("\t.ent\t", STREAM);                                         \
 186     assemble_name (STREAM, NAME);                                       \
 187     fputs ("\n", STREAM);                                               \
 188     assemble_name (STREAM, NAME);                                       \
 189     fputs (":\n", STREAM);                                              \
 190   } while (0)
 191
 192 /* Likewise, the SGI assembler doesn't like labels after the .end, so we
 193    must output the .end here.  */
 194 #define ASM_DECLARE_FUNCTION_SIZE(STREAM, NAME, DECL)                   \
 195   do {                                                                  \
 196     fputs ("\t.end\t", STREAM);                                         \
 197     assemble_name (STREAM, NAME);                                       \
 198     fputs ("\n", STREAM);                                               \
 199   } while (0)
 200
 201 /* Tell function_prologue in mips.c that we have already output the .ent/.end
 202    pseudo-ops.  */
 203 #define FUNCTION_NAME_ALREADY_DECLARED
 204
 205 #undef SET_ASM_OP       /* Has no equivalent.  See ASM_OUTPUT_DEF below.  */
 206
 207 #if 0
 208 /* This is *NOT* how to equate one symbol to another symbol.  The assembler
 209    '=' syntax just equates a name to a constant expression.
 210    See ASM_OUTPUT_WEAK_ALIAS.  */
 211
 212 #define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2)                              \
 213  do {   fprintf ((FILE), "\t");                                         \
 214         assemble_name (FILE, LABEL1);                                   \
 215         fprintf (FILE, " = ");                                          \
 216         assemble_name (FILE, LABEL2);                                   \
 217         fprintf (FILE, "\n");                                           \
 218   } while (0)
 219 #endif
 220
 221 /* Define the strings used for the special svr4 .type and .size directives.  */
 222
 223 #define TYPE_ASM_OP     "\t.type\t"
 224 #define SIZE_ASM_OP     "\t.size\t"
 225
 226 /* Irix assembler does not support the init_priority C++ attribute.  */
 227 #undef SUPPORTS_INIT_PRIORITY
 228 #define SUPPORTS_INIT_PRIORITY 0
 229
 230 /* A linker error can empirically be avoided by removing duplicate
 231    library search directories.  */
 232 #define LINK_ELIMINATE_DUPLICATE_LDIRECTORIES 1
 233
 234 #define POPSECTION_ASM_OP       "\t.popsection"
 235
 236 /* ??? If no mabi=X option give, but a mipsX option is, then should depend
 237    on the mipsX option.  */
 238 /* If no mips[3,4] option given, give the appropriate default for mabi=X */
 239 #undef SUBTARGET_ASM_SPEC
 240 #define SUBTARGET_ASM_SPEC "%{!mabi*:-n32} %{!mips*: %{!mabi*:-mips3} %{mabi=n32|mabi=64:-mips3}}"
 241
 242 /* Must pass -g0 to the assembler, otherwise it may overwrite our
 243    debug info with its own debug info.  */
 244 /* Must pass -show instead of -v.  */
 245 /* Must pass -G 0 to the assembler, otherwise we may get warnings about
 246    GOT overflow.  */
 247 /* ??? We pass -w to disable all assembler warnings.  The `label should be
 248    inside .ent/.end block' warning that we get for DWARF II debug info labels
 249    is particularly annoying.  */
 250 #undef SUBTARGET_MIPS_AS_ASM_SPEC
 251 #define SUBTARGET_MIPS_AS_ASM_SPEC "%{v:-show} -G 0 -w"
 252
 253 #undef SUBTARGET_ASM_DEBUGGING_SPEC
 254 #define SUBTARGET_ASM_DEBUGGING_SPEC "-g0"
 255
 256 /* The MIPS assembler occasionally misoptimizes.  Since GCC should be
 257    doing scheduling anyhow, just turn off optimization in the assembler.  */
 258 #undef SUBTARGET_ASM_OPTIMIZING_SPEC
 259 #define SUBTARGET_ASM_OPTIMIZING_SPEC "-O0"
 260
 261 /* The assembler now accepts .section pseudo-ops, but it does not allow
 262    one to change the section in the middle of a function, so we can't use
 263    the INIT_SECTION_ASM_OP code in crtstuff.  But we can build up the ctor
 264    and dtor lists this way, so we use -init and -fini to invoke the
 265    do_global_* functions instead of running collect2.  */
 266
 267 #define BSS_SECTION_ASM_OP      "\t.section\t.bss"
 268
 269 #undef READONLY_DATA_SECTION_ASM_OP
 270 #define READONLY_DATA_SECTION_ASM_OP_32 "\t.rdata"
 271 #define READONLY_DATA_SECTION_ASM_OP_64 "\t.section\t.rodata"
 272 #define READONLY_DATA_SECTION_ASM_OP            \
 273   (mips_abi != ABI_32 && mips_abi != ABI_O64    \
 274    ? READONLY_DATA_SECTION_ASM_OP_64            \
 275    : READONLY_DATA_SECTION_ASM_OP_32)
 276
 277 /* A default list of other sections which we might be "in" at any given
 278    time.  For targets that use additional sections (e.g. .tdesc) you
 279    should override this definition in the target-specific file which
 280    includes this file.  */
 281
 282 #undef EXTRA_SECTIONS
 283 #define EXTRA_SECTIONS in_sdata
 284
 285 /* A default list of extra section function definitions.  For targets
 286    that use additional sections (e.g. .tdesc) you should override this
 287    definition in the target-specific file which includes this file.  */
 288
 289 #undef EXTRA_SECTION_FUNCTIONS
 290 #define EXTRA_SECTION_FUNCTIONS                                         \
 291 void                                                                    \
 292 sdata_section ()                                                        \
 293 {                                                                       \
 294   if (in_section != in_sdata)                                           \
 295     {                                                                   \
 296       fprintf (asm_out_file, "%s\n", SDATA_SECTION_ASM_OP);             \
 297       in_section = in_sdata;                                            \
 298     }                                                                   \
 299 }                                                                       \
 300                                                                         \
 301 const char *                                                            \
 302 current_section_name ()                                                 \
 303 {                                                                       \
 304   switch (in_section)                                                   \
 305     {                                                                   \
 306     case no_section:    return NULL;                                    \
 307     case in_text:       return ".text";                                 \
 308     case in_data:       return ".data";                                 \
 309     case in_sdata:      return ".sdata";                                \
 310     case in_bss:        return ".bss";                                  \
 311     case in_readonly_data:                                              \
 312       if (mips_abi != ABI_32 && mips_abi != ABI_O64)                    \
 313         return ".rodata";                                               \
 314       else                                                              \
 315         return ".rdata";                                                \
 316     case in_named:                                                      \
 317       return in_named_name;                                             \
 318     }                                                                   \
 319   abort ();                                                             \
 320 }                                                                       \
 321                                                                         \
 322 unsigned int                                                            \
 323 current_section_flags ()                                                \
 324 {                                                                       \
 325   switch (in_section)                                                   \
 326     {                                                                   \
 327     case no_section:    return 0;                                       \
 328     case in_text:       return SECTION_CODE;                            \
 329     case in_data:       return SECTION_WRITE;                           \
 330     case in_sdata:      return SECTION_WRITE | SECTION_SMALL;           \
 331     case in_bss:        return SECTION_WRITE | SECTION_BSS;             \
 332     case in_readonly_data: return 0;                                    \
 333     case in_named:      return get_named_section_flags (in_named_name); \
 334     }                                                                   \
 335   abort ();                                                             \
 336 }
 337
 338 /* Switch into a generic section.  */
 339 #undef TARGET_ASM_NAMED_SECTION
 340 #define TARGET_ASM_NAMED_SECTION  iris6_asm_named_section
 341
 342 /* SGI assembler needs all sorts of extra help to do alignment properly.  */
 343 #undef ASM_OUTPUT_ALIGN
 344 #define ASM_OUTPUT_ALIGN iris6_asm_output_align
 345 #undef ASM_FILE_START
 346 #define ASM_FILE_START  iris6_asm_file_start
 347 #undef ASM_FILE_END
 348 #define ASM_FILE_END    iris6_asm_file_end
 349
 350 #undef MAX_OFILE_ALIGNMENT
 351 #define MAX_OFILE_ALIGNMENT (32768*8)
 352
 353 /* ??? SGI assembler may core dump when compiling with -g.
 354    Sometimes as succeeds, but then we get a linker error. (cmds.c in 072.sc)
 355    Getting rid of .file solves both problems.  */
 356 #undef ASM_OUTPUT_FILENAME
 357 #define ASM_OUTPUT_FILENAME(STREAM, NUM_SOURCE_FILENAMES, NAME) \
 358 do                                                              \
 359   {                                                             \
 360     fprintf (STREAM, "\t#.file\t%d ", NUM_SOURCE_FILENAMES);    \
 361     output_quoted_string (STREAM, NAME);                        \
 362     fputs ("\n", STREAM);                                       \
 363   }                                                             \
 364 while (0)
 365
 366 /* ??? SGI assembler gives warning whenever .lcomm is used.  */
 367 #undef ASM_OUTPUT_LOCAL
 368 #define ASM_OUTPUT_ALIGNED_LOCAL(STREAM, NAME, SIZE, ALIGN)                \
 369 do                                                                         \
 370   {                                                                        \
 371     if (mips_abi != ABI_32 && mips_abi != ABI_O64)                         \
 372       {                                                                    \
 373         bss_section ();                                                    \
 374         mips_declare_object (STREAM, NAME, "", ":\n", 0);                  \
 375         ASM_OUTPUT_ALIGN (STREAM, floor_log2 (ALIGN / BITS_PER_UNIT));     \
 376         ASM_OUTPUT_SKIP (STREAM, SIZE);                                    \
 377       }                                                                    \
 378     else                                                                   \
 379       mips_declare_object (STREAM, NAME, "\n\t.lcomm\t", ",%u\n", (SIZE)); \
 380   }                                                                        \
 381 while (0)
 382
 383 /* A C statement (sans semicolon) to output to the stdio stream
 384    FILE the assembler definition of uninitialized global DECL named
 385    NAME whose size is SIZE bytes and alignment is ALIGN bytes.
 386    Try to use asm_output_aligned_bss to implement this macro.  */
 387
 388 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
 389   asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
 390
 391 /* Write the extra assembler code needed to declare an object properly.  */
 392
 393 #undef ASM_DECLARE_OBJECT_NAME
 394 #define ASM_DECLARE_OBJECT_NAME(STREAM, NAME, DECL)                     \
 395 do                                                                      \
 396  {                                                                      \
 397    HOST_WIDE_INT size;                                                  \
 398    size_directive_output = 0;                                           \
 399    if (!flag_inhibit_size_directive && DECL_SIZE (DECL))                \
 400      {                                                                  \
 401        size_directive_output = 1;                                       \
 402        size = int_size_in_bytes (TREE_TYPE (DECL));                     \
 403        ASM_OUTPUT_SIZE_DIRECTIVE (STREAM, NAME, size);                  \
 404      }                                                                  \
 405    mips_declare_object (STREAM, NAME, "", ":\n", 0);                    \
 406  }                                                                      \
 407 while (0)
 408
 409 /* Define the `__builtin_va_list' type for the ABI.  On Irix6, this
 410    type is `char *'.  */
 411 #undef BUILD_VA_LIST_TYPE
 412 #define BUILD_VA_LIST_TYPE(VALIST) \
 413   (VALIST) = build_pointer_type (char_type_node)
 414
 415 /* Output the size directive for a decl in rest_of_decl_compilation
 416    in the case where we did not do so before the initializer.
 417    Once we find the error_mark_node, we know that the value of
 418    size_directive_output was set
 419    by ASM_DECLARE_OBJECT_NAME when it was run for the same decl.  */
 420
 421 #define ASM_FINISH_DECLARE_OBJECT(FILE, DECL, TOP_LEVEL, AT_END)         \
 422 do {                                                                     \
 423      const char *name = XSTR (XEXP (DECL_RTL (DECL), 0), 0);             \
 424      HOST_WIDE_INT size;                                                 \
 425      if (!flag_inhibit_size_directive && DECL_SIZE (DECL)                \
 426          && ! AT_END && TOP_LEVEL                                        \
 427          && DECL_INITIAL (DECL) == error_mark_node                       \
 428          && !size_directive_output)                                      \
 429        {                                                                 \
 430          size_directive_output = 1;                                      \
 431          size = int_size_in_bytes (TREE_TYPE (DECL));                    \
 432          ASM_OUTPUT_SIZE_DIRECTIVE (FILE, name, size);                   \
 433        }                                                                 \
 434    } while (0)
 435
 436 #undef LOCAL_LABEL_PREFIX
 437 #define LOCAL_LABEL_PREFIX ((mips_abi == ABI_32 || mips_abi == ABI_O64) \
 438                             ? "$" : ".")
 439
 440 /* Profiling is supported via libprof1.a not -lc_p as in Irix 3.  */
 441 /* ??? If no mabi=X option give, but a mipsX option is, then should depend
 442    on the mipsX option.  */
 443 #undef STARTFILE_SPEC
 444 #define STARTFILE_SPEC \
 445   "%{!shared: \
 446      %{mabi=32:%{pg:gcrt1.o%s} \
 447        %{!pg:%{p:mcrt1.o%s libprof1.a%s}%{!p:crt1.o%s}}} \
 448      %{mabi=n32: \
 449        %{mips4:%{pg:/usr/lib32/mips4/gcrt1.o%s} \
 450          %{!pg:%{p:/usr/lib32/mips4/mcrt1.o%s /usr/lib32/mips4/libprof1.a%s} \
 451            %{!p:/usr/lib32/mips4/crt1.o%s}}} \
 452        %{!mips4:%{pg:/usr/lib32/mips3/gcrt1.o%s} \
 453          %{!pg:%{p:/usr/lib32/mips3/mcrt1.o%s /usr/lib32/mips3/libprof1.a%s} \
 454            %{!p:/usr/lib32/mips3/crt1.o%s}}}} \
 455      %{mabi=64: \
 456        %{mips4:%{pg:/usr/lib64/mips4/gcrt1.o} \
 457          %{!pg:%{p:/usr/lib64/mips4/mcrt1.o /usr/lib64/mips4/libprof1.a} \
 458            %{!p:/usr/lib64/mips4/crt1.o}}} \
 459        %{!mips4:%{pg:/usr/lib64/mips3/gcrt1.o} \
 460          %{!pg:%{p:/usr/lib64/mips3/mcrt1.o /usr/lib64/mips3/libprof1.a} \
 461            %{!p:/usr/lib64/mips3/crt1.o}}}} \
 462      %{!mabi*: \
 463        %{mips4:%{pg:/usr/lib32/mips4/gcrt1.o%s} \
 464          %{!pg:%{p:/usr/lib32/mips4/mcrt1.o%s /usr/lib32/mips4/libprof1.a%s} \
 465            %{!p:/usr/lib32/mips4/crt1.o%s}}} \
 466        %{!mips4:%{pg:/usr/lib32/mips3/gcrt1.o%s} \
 467          %{!pg:%{p:/usr/lib32/mips3/mcrt1.o%s /usr/lib32/mips3/libprof1.a%s} \
 468            %{!p:/usr/lib32/mips3/crt1.o%s}}}}} \
 469    crtbegin.o%s"
 470
 471 #undef LIB_SPEC
 472 #define LIB_SPEC \
 473   "%{mabi=n32: %{mips4:-L/usr/lib32/mips4} %{!mips4:-L/usr/lib32/mips3} \
 474      -L/usr/lib32} \
 475    %{mabi=64: %{mips4:-L/usr/lib64/mips4} %{!mips4:-L/usr/lib64/mips3} \
 476      -L/usr/lib64} \
 477    %{!mabi*: %{mips4:-L/usr/lib32/mips4} %{!mips4:-L/usr/lib32/mips3} \
 478      -L/usr/lib32} \
 479    %{!shared: \
 480      -dont_warn_unused %{p:libprof1.a%s}%{pg:libprof1.a%s} -lc -warn_unused}"
 481
 482 /* Avoid getting two warnings for libgcc.a everytime we link.  */
 483 #undef LIBGCC_SPEC
 484 #define LIBGCC_SPEC "-dont_warn_unused -lgcc -warn_unused"
 485
 486 /* ??? If no mabi=X option give, but a mipsX option is, then should depend
 487    on the mipsX option.  */
 488 #undef ENDFILE_SPEC
 489 #define ENDFILE_SPEC \
 490   "crtend.o%s \
 491    %{!shared: \
 492      %{mabi=32:crtn.o%s}\
 493      %{mabi=n32:%{mips4:/usr/lib32/mips4/crtn.o%s}\
 494        %{!mips4:/usr/lib32/mips3/crtn.o%s}}\
 495      %{mabi=64:%{mips4:/usr/lib64/mips4/crtn.o%s}\
 496        %{!mips4:/usr/lib64/mips3/crtn.o%s}}\
 497      %{!mabi*:%{mips4:/usr/lib32/mips4/crtn.o%s}\
 498        %{!mips4:/usr/lib32/mips3/crtn.o%s}}}"
 499
 500 /* ??? If no mabi=X option give, but a mipsX option is, then should depend
 501    on the mipsX option.  */
 502 #undef LINK_SPEC
 503 #define LINK_SPEC "\
 504 %{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} %{mips4} \
 505 %{bestGnum} %{shared} %{non_shared} \
 506 %{call_shared} %{no_archive} %{exact_version} %{w} \
 507 %{!shared: %{!non_shared: %{!call_shared: -call_shared -no_unresolved}}} \
 508 %{rpath} -init __do_global_ctors -fini __do_global_dtors \
 509 %{shared:-hidden_symbol __do_global_ctors,__do_global_ctors_1,__do_global_dtors} \
 510 -_SYSTYPE_SVR4 -woff 131 \
 511 %{mabi=32: -32}%{mabi=n32: -n32}%{mabi=64: -64}%{!mabi*: -n32}"