gcc/config/mips/iris6.h

   1 /* Definitions of target machine for GNU compiler.  Iris version 6.
   2    Copyright (C) 1994, 1995, 1996 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 /* Default to -mabi=n32 and -mips3.  */
  22 #define MIPS_ISA_DEFAULT 3
  23 #define MIPS_ABI_DEFAULT ABI_N32
  24 #define MULTILIB_DEFAULTS { "mabi=n32" }
  25
  26 #ifndef TARGET_DEFAULT
  27 #define TARGET_DEFAULT MASK_ABICALLS|MASK_FLOAT64|MASK_64BIT
  28 #endif
  29
  30 #include "mips/iris5.h"
  31 #include "mips/abi64.h"
  32
  33 /* For Irix 6, -mips3 implies TARGET_LONG64.  */
  34 #undef TARGET_LONG64
  35 #define TARGET_LONG64           (mips_abi == ABI_64)
  36
  37 /* We must pass -D_LONGLONG always, even when -ansi is used, because irix6
  38    system header files require it.  This is OK, because gcc never warns
  39    when long long is used in system header files.  Alternatively, we can
  40    add support for the SGI builtin type __long_long.  */
  41 #undef CPP_PREDEFINES
  42 #define CPP_PREDEFINES \
  43  "-Dunix -Dmips -Dsgi -Dhost_mips -DMIPSEB -D_MIPSEB -DSYSTYPE_SVR4 \
  44   -D_LONGLONG -D_SVR4_SOURCE -D_MODERN_C -D__DSO__ \
  45   -Asystem(unix) -Asystem(svr4) -Acpu(mips) -Amachine(sgi)"
  46
  47 #undef SUBTARGET_CPP_SIZE_SPEC
  48 #define SUBTARGET_CPP_SIZE_SPEC "\
  49 %{mabi=32: -D__SIZE_TYPE__=unsigned\\ int -D__PTRDIFF_TYPE__=int} \
  50 %{mabi=n32: -D__SIZE_TYPE__=unsigned\\ int -D__PTRDIFF_TYPE__=int} \
  51 %{mabi=64: -D__SIZE_TYPE__=long\\ unsigned\\ int -D__PTRDIFF_TYPE__=long\\ int} \
  52 %{!mabi*: -D__SIZE_TYPE__=unsigned\\ int -D__PTRDIFF_TYPE__=int}"
  53
  54 /* We must make -mips3 do what -mlong64 used to do.  */
  55 /* ??? If no mipsX option given, but a mabi=X option is, then should set
  56    _MIPS_ISA based on the mabi=X option.  */
  57 /* ??? If no mabi=X option give, but a mipsX option is, then should set
  58    _MIPS_SIM based on the mipsX option.  */
  59 /* ??? Same for _MIPS_SZINT.  */
  60 /* ??? Same for _MIPS_SZPTR.  */
  61 /* ??? Same for __SIZE_TYPE and __PTRDIFF_TYPE.  */
  62 #undef SUBTARGET_CPP_SPEC
  63 #define SUBTARGET_CPP_SPEC "\
  64 %{!ansi:-D__EXTENSIONS__ -D_SGI_SOURCE} \
  65 %{mfp32: -D_MIPS_FPSET=16}%{!mfp32: -D_MIPS_FPSET=32} \
  66 %{mips1: -D_MIPS_ISA=_MIPS_ISA_MIPS1} \
  67 %{mips2: -D_MIPS_ISA=_MIPS_ISA_MIPS2} \
  68 %{mips3: -D_MIPS_ISA=_MIPS_ISA_MIPS3} \
  69 %{mips4: -D_MIPS_ISA=_MIPS_ISA_MIPS4} \
  70 %{!mips*: -D_MIPS_ISA=_MIPS_ISA_MIPS3} \
  71 %{mabi=32: -D_MIPS_SIM=_MIPS_SIM_ABI32} \
  72 %{mabi=n32: -D_ABIN32=2 -D_MIPS_SIM=_ABIN32} \
  73 %{mabi=64: -D_ABI64=3 -D_MIPS_SIM=_ABI64} \
  74 %{!mabi*: -D_ABIN32=2 -D_MIPS_SIM=_ABIN32} \
  75 %{!mint64: -D_MIPS_SZINT=32}%{mint64: -D_MIPS_SZINT=64} \
  76 %{mabi=32: -D_MIPS_SZLONG=32} \
  77 %{mabi=n32: -D_MIPS_SZLONG=32} \
  78 %{mabi=64: -D_MIPS_SZLONG=64} \
  79 %{!mabi*: -D_MIPS_SZLONG=32} \
  80 %{mabi=32: -D_MIPS_SZPTR=32} \
  81 %{mabi=n32: -D_MIPS_SZPTR=32} \
  82 %{mabi=64: -D_MIPS_SZPTR=64} \
  83 %{!mabi*: -D_MIPS_SZPTR=32} \
  84 %{!mips1:%{!mips2: -D_COMPILER_VERSION=601}}            \
  85 %{!mips*: -U__mips -D__mips=3} \
  86 %{mabi=32: -U__mips64} \
  87 %{mabi=n32: -D__mips64} \
  88 %{mabi=64: -D__mips64} \
  89 %{!mabi*: -D__mips64}"
  90
  91 /* Irix 6 uses DWARF.  */
  92 #define DWARF_DEBUGGING_INFO
  93 #define DWARF_VERSION 2
  94 #define MIPS_DEBUGGING_INFO
  95 #undef PREFERRED_DEBUGGING_TYPE
  96 #define PREFERRED_DEBUGGING_TYPE DWARF_DEBUG
  97
  98 /* The size in bytes of a DWARF field indicating an offset or length
  99    relative to a debug info section, specified to be 4 bytes in the DWARF-2
 100    specification.  The SGI/MIPS ABI defines it to be the same as PTR_SIZE.  */
 101 #define DWARF_OFFSET_SIZE PTR_SIZE
 102
 103 #undef MACHINE_TYPE
 104 #define MACHINE_TYPE "SGI running IRIX 6.x"
 105
 106 /* The Irix 6.0.1 assembler doesn't like labels in the text section, so
 107    just avoid emitting them.  */
 108 #define ASM_IDENTIFY_GCC
 109 #define ASM_IDENTIFY_LANGUAGE
 110
 111 /* Irix 5 stuff that we don't need for Irix 6.  */
 112 /* ??? We do need this for the -mabi=32 switch though.  */
 113 #undef ASM_OUTPUT_UNDEF_FUNCTION
 114 #undef ASM_OUTPUT_EXTERNAL_LIBCALL
 115 #undef ASM_DECLARE_FUNCTION_SIZE
 116
 117 /* Stuff we need for Irix 6 that isn't in Irix 5.  */
 118
 119 /* The SGI assembler doesn't like labels before the .ent, so we must output
 120    the .ent and function name here, which is the normal place for it.  */
 121
 122 #undef ASM_DECLARE_FUNCTION_NAME
 123 #define ASM_DECLARE_FUNCTION_NAME(STREAM, NAME, DECL)                   \
 124   do {                                                                  \
 125     fputs ("\t.ent\t", STREAM);                                         \
 126     assemble_name (STREAM, NAME);                                       \
 127     fputs ("\n", STREAM);                                               \
 128     assemble_name (STREAM, NAME);                                       \
 129     fputs (":\n", STREAM);                                              \
 130   } while (0)
 131
 132 /* Likewise, the SGI assembler doesn't like labels after the .end, so we
 133    must output the .end here.  */
 134 #define ASM_DECLARE_FUNCTION_SIZE(STREAM, NAME, DECL)                   \
 135   do {                                                                  \
 136     fputs ("\t.end\t", STREAM);                                         \
 137     assemble_name (STREAM, NAME);                                       \
 138     fputs ("\n", STREAM);                                               \
 139   } while (0)
 140
 141 /* Tell function_prologue in mips.c that we have already output the .ent/.end
 142    psuedo-ops.  */
 143 #define FUNCTION_NAME_ALREADY_DECLARED
 144
 145 #undef SET_ASM_OP       /* Has no equivalent.  See ASM_OUTPUT_DEF below.  */
 146
 147 #if 0
 148 /* This is *NOT* how to equate one symbol to another symbol.  The assembler
 149    '=' syntax just equates a name to a constant expression.
 150    See ASM_OUTPUT_WEAK_ALIAS.  */
 151
 152 #define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2)                              \
 153  do {   fprintf ((FILE), "\t");                                         \
 154         assemble_name (FILE, LABEL1);                                   \
 155         fprintf (FILE, " = ");                                          \
 156         assemble_name (FILE, LABEL2);                                   \
 157         fprintf (FILE, "\n");                                           \
 158   } while (0)
 159 #endif
 160
 161 /* Define the strings used for the special svr4 .type and .size directives.  */
 162
 163 #define TYPE_ASM_OP     ".type"
 164 #define SIZE_ASM_OP     ".size"
 165
 166 /* This is how we tell the assembler that a symbol is weak.  */
 167
 168 #define ASM_OUTPUT_WEAK_ALIAS(FILE,NAME,VALUE)  \
 169  do {                                           \
 170   fputs ("\t.weakext\t", FILE);                 \
 171   assemble_name (FILE, NAME);                   \
 172   if (VALUE)                                    \
 173     {                                           \
 174       fputc (' ', FILE);                        \
 175       assemble_name (FILE, VALUE);              \
 176     }                                           \
 177   fputc ('\n', FILE);                           \
 178  } while (0)
 179
 180 #define ASM_WEAKEN_LABEL(FILE,NAME) ASM_OUTPUT_WEAK_ALIAS(FILE,NAME,0)
 181
 182 #define POPSECTION_ASM_OP       ".popsection"
 183
 184 #define DEBUG_SECTION           ".debug_info,0x7000001e,0,0,1"
 185 #define LINE_SECTION            ".debug_line,0x7000001e,0,0,1"
 186 #define SFNAMES_SECTION         ".debug_sfnames,0x7000001e,0,0,1"
 187 #define SRCINFO_SECTION         ".debug_srcinfo,0x7000001e,0,0,1"
 188 #define MACINFO_SECTION         ".debug_macinfo,0x7000001e,0,0,1"
 189 #define PUBNAMES_SECTION        ".debug_pubnames,0x7000001e,0,0,1"
 190 #define ARANGES_SECTION         ".debug_aranges,0x7000001e,0,0,1"
 191 #define FRAME_SECTION           ".debug_frame,0x7000001e,0x08000000,0,1"
 192 #define ABBREV_SECTION          ".debug_abbrev,0x7000001e,0,0,1"
 193
 194 /* ??? If no mabi=X option give, but a mipsX option is, then should depend
 195    on the mipsX option.  */
 196 #undef SUBTARGET_ASM_SPEC
 197 #define SUBTARGET_ASM_SPEC "%{!mabi*:-n32}"
 198
 199 /* Must pass -g0 to the assembler, otherwise it may overwrite our
 200    debug info with its own debug info. */
 201 /* Must pass -show instead of -v.  */
 202 /* Must pass -G 0 to the assembler, otherwise we may get warnings about
 203    GOT overflow.  */
 204 /* ??? We pass -w to disable all assembler warnings.  The `label should be
 205    inside .ent/.end block' warning that we get for DWARF II debug info labels
 206    is particularly annoying.  */
 207 #undef SUBTARGET_MIPS_AS_ASM_SPEC
 208 #define SUBTARGET_MIPS_AS_ASM_SPEC "%{v:-show} -G 0 -w"
 209
 210 #undef SUBTARGET_ASM_DEBUGGING_SPEC
 211 #define SUBTARGET_ASM_DEBUGGING_SPEC "-g0"
 212
 213 /* Stuff for constructors.  Start here.  */
 214
 215 /* The assembler now accepts .section pseudo-ops, but it does not allow
 216    one to change the section in the middle of a function, so we can't use
 217    the INIT_SECTION_ASM_OP code in crtstuff.  But we can build up the ctor
 218    and dtor lists this way, so we use -init and -fini to invoke the
 219    do_global_* functions instead of running collect2.  */
 220
 221 #define BSS_SECTION_ASM_OP      ".section\t.bss"
 222 #define CONST_SECTION_ASM_OP_32 "\t.rdata"
 223 #define CONST_SECTION_ASM_OP_64 ".section\t.rodata"
 224 #define CTORS_SECTION_ASM_OP    ".section\t.ctors,1,2,0,4"
 225 #define DTORS_SECTION_ASM_OP    ".section\t.dtors,1,2,0,4"
 226
 227 /* This is the pseudo-op used to generate a 32-bit word of data with a
 228    specific value in some section.  This is the same for all known svr4
 229    assemblers.  */
 230
 231 #define INT_ASM_OP              ".word"
 232
 233 /* A default list of other sections which we might be "in" at any given
 234    time.  For targets that use additional sections (e.g. .tdesc) you
 235    should override this definition in the target-specific file which
 236    includes this file.  */
 237
 238 #undef EXTRA_SECTIONS
 239 #define EXTRA_SECTIONS in_sdata, in_rdata, in_const, in_ctors, in_dtors
 240
 241 /* A default list of extra section function definitions.  For targets
 242    that use additional sections (e.g. .tdesc) you should override this
 243    definition in the target-specific file which includes this file.  */
 244
 245 /* ??? rdata_section is now same as svr4 const_section.  */
 246
 247 #undef EXTRA_SECTION_FUNCTIONS
 248 #define EXTRA_SECTION_FUNCTIONS                                         \
 249 void                                                                    \
 250 sdata_section ()                                                        \
 251 {                                                                       \
 252   if (in_section != in_sdata)                                           \
 253     {                                                                   \
 254       fprintf (asm_out_file, "%s\n", SDATA_SECTION_ASM_OP);             \
 255       in_section = in_sdata;                                            \
 256     }                                                                   \
 257 }                                                                       \
 258                                                                         \
 259 void                                                                    \
 260 rdata_section ()                                                        \
 261 {                                                                       \
 262   if (in_section != in_rdata)                                           \
 263     {                                                                   \
 264       if (mips_abi != ABI_32)                                           \
 265         fprintf (asm_out_file, "%s\n", CONST_SECTION_ASM_OP_64);        \
 266       else                                                              \
 267         fprintf (asm_out_file, "%s\n", CONST_SECTION_ASM_OP_32);        \
 268       in_section = in_rdata;                                            \
 269     }                                                                   \
 270 }                                                                       \
 271   CTORS_SECTION_FUNCTION                                                \
 272   DTORS_SECTION_FUNCTION
 273
 274 #define CTORS_SECTION_FUNCTION                                          \
 275 void                                                                    \
 276 ctors_section ()                                                        \
 277 {                                                                       \
 278   if (in_section != in_ctors)                                           \
 279     {                                                                   \
 280       fprintf (asm_out_file, "%s\n", CTORS_SECTION_ASM_OP);             \
 281       in_section = in_ctors;                                            \
 282     }                                                                   \
 283 }
 284
 285 #define DTORS_SECTION_FUNCTION                                          \
 286 void                                                                    \
 287 dtors_section ()                                                        \
 288 {                                                                       \
 289   if (in_section != in_dtors)                                           \
 290     {                                                                   \
 291       fprintf (asm_out_file, "%s\n", DTORS_SECTION_ASM_OP);             \
 292       in_section = in_dtors;                                            \
 293     }                                                                   \
 294 }
 295
 296 /* A C statement (sans semicolon) to output an element in the table of
 297    global constructors.  */
 298 #define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME)                               \
 299   do {                                                                  \
 300     ctors_section ();                                                   \
 301     fprintf (FILE, "\t%s\t ", INT_ASM_OP);                              \
 302     assemble_name (FILE, NAME);                                         \
 303     fprintf (FILE, "\n");                                               \
 304   } while (0)
 305
 306 /* A C statement (sans semicolon) to output an element in the table of
 307    global destructors.  */
 308 #define ASM_OUTPUT_DESTRUCTOR(FILE,NAME)                                \
 309   do {                                                                  \
 310     dtors_section ();                                                   \
 311     fprintf (FILE, "\t%s\t ", INT_ASM_OP);                              \
 312     assemble_name (FILE, NAME);                                         \
 313     fprintf (FILE, "\n");                                               \
 314   } while (0)
 315
 316 /* A C statement to output something to the assembler file to switch to section
 317    NAME for object DECL which is either a FUNCTION_DECL, a VAR_DECL or
 318    NULL_TREE.  */
 319
 320 #define ASM_OUTPUT_SECTION_NAME(F, DECL, NAME)                          \
 321 do {                                                                    \
 322   extern FILE *asm_out_text_file;                                       \
 323   if ((DECL) && TREE_CODE (DECL) == FUNCTION_DECL)                      \
 324     fprintf (asm_out_text_file, "\t.section %s,1,6,4,4\n", (NAME));     \
 325   else if ((DECL) && TREE_READONLY (DECL))                              \
 326     fprintf (F, "\t.section %s,1,2,0,8\n", (NAME));                     \
 327   else                                                                  \
 328     fprintf (F, "\t.section %s,1,3,0,8\n", (NAME));                     \
 329 } while (0)
 330
 331 /* Stuff for constructors.  End here.  */
 332
 333 /* ??? Perhaps just include svr4.h in this file?  */
 334
 335 /* ??? SGI assembler may core dump when compiling with -g.
 336    Sometimes as succeeds, but then we get a linker error. (cmds.c in 072.sc)
 337    Getting rid of .file solves both problems.  */
 338 #undef ASM_OUTPUT_FILENAME
 339 #define ASM_OUTPUT_FILENAME(STREAM, NUM_SOURCE_FILENAMES, NAME) \
 340 do                                                              \
 341   {                                                             \
 342     fprintf (STREAM, "\t#.file\t%d ", NUM_SOURCE_FILENAMES);    \
 343     output_quoted_string (STREAM, NAME);                        \
 344     fputs ("\n", STREAM);                                       \
 345   }                                                             \
 346 while (0)
 347
 348 /* ??? SGI assembler gives warning whenever .lcomm is used.  */
 349 #undef ASM_OUTPUT_LOCAL
 350 #define ASM_OUTPUT_ALIGNED_LOCAL(STREAM, NAME, SIZE, ALIGN)                \
 351 do                                                                         \
 352   {                                                                        \
 353     if (mips_abi != ABI_32)                                                \
 354       {                                                                    \
 355         fprintf (STREAM, "%s\n", BSS_SECTION_ASM_OP);                      \
 356         mips_declare_object (STREAM, NAME, "", ":\n", 0);                  \
 357         ASM_OUTPUT_ALIGN (STREAM, floor_log2 (ALIGN / BITS_PER_UNIT));     \
 358         ASM_OUTPUT_SKIP (STREAM, SIZE);                                    \
 359         fprintf (STREAM, "\t%s\n", POPSECTION_ASM_OP);                     \
 360       }                                                                    \
 361     else                                                                   \
 362       mips_declare_object (STREAM, NAME, "\n\t.lcomm\t", ",%u\n", (SIZE)); \
 363   }                                                                        \
 364 while (0)
 365
 366 /* A C statement (sans semicolon) to output to the stdio stream
 367    FILE the assembler definition of uninitialized global DECL named
 368    NAME whose size is SIZE bytes and alignment is ALIGN bytes.
 369    Try to use asm_output_aligned_bss to implement this macro.  */
 370
 371 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
 372   asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
 373
 374 /* Write the extra assembler code needed to declare an object properly.  */
 375
 376 #undef ASM_DECLARE_OBJECT_NAME
 377 #define ASM_DECLARE_OBJECT_NAME(STREAM, NAME, DECL)                     \
 378 do                                                                      \
 379  {                                                                      \
 380    size_directive_output = 0;                                           \
 381    if (!flag_inhibit_size_directive && DECL_SIZE (DECL))        \
 382      {                                                                  \
 383        size_directive_output = 1;                                       \
 384        fprintf (STREAM, "\t%s\t ", SIZE_ASM_OP);                        \
 385        assemble_name (STREAM, NAME);                                    \
 386        fprintf (STREAM, ",%d\n", int_size_in_bytes (TREE_TYPE (DECL))); \
 387      }                                                                  \
 388    mips_declare_object (STREAM, NAME, "", ":\n", 0);                    \
 389  }                                                                      \
 390 while (0)
 391
 392 /* Output the size directive for a decl in rest_of_decl_compilation
 393    in the case where we did not do so before the initializer.
 394    Once we find the error_mark_node, we know that the value of
 395    size_directive_output was set
 396    by ASM_DECLARE_OBJECT_NAME when it was run for the same decl.  */
 397
 398 #define ASM_FINISH_DECLARE_OBJECT(FILE, DECL, TOP_LEVEL, AT_END)         \
 399 do {                                                                     \
 400      char *name = XSTR (XEXP (DECL_RTL (DECL), 0), 0);                   \
 401      if (!flag_inhibit_size_directive && DECL_SIZE (DECL)                \
 402          && ! AT_END && TOP_LEVEL                                        \
 403          && DECL_INITIAL (DECL) == error_mark_node                       \
 404          && !size_directive_output)                                      \
 405        {                                                                 \
 406          size_directive_output = 1;                                      \
 407          fprintf (FILE, "\t%s\t ", SIZE_ASM_OP);                         \
 408          assemble_name (FILE, name);                                     \
 409          fprintf (FILE, ",%d\n",  int_size_in_bytes (TREE_TYPE (DECL))); \
 410        }                                                                 \
 411    } while (0)
 412
 413 #undef LOCAL_LABEL_PREFIX
 414 #define LOCAL_LABEL_PREFIX (mips_abi == ABI_32 ? "$" : ".")
 415
 416 /* Profiling is supported via libprof1.a not -lc_p as in Irix 3.  */
 417 /* ??? If no mabi=X option give, but a mipsX option is, then should depend
 418    on the mipsX option.  */
 419 #undef STARTFILE_SPEC
 420 #define STARTFILE_SPEC \
 421   "%{!shared: \
 422      %{mabi=32:%{pg:gcrt1.o%s} \
 423        %{!pg:%{p:mcrt1.o%s libprof1.a%s}%{!p:crt1.o%s}}} \
 424      %{mabi=n32: \
 425        %{mips4:%{pg:/usr/lib32/mips4/gcrt1.o%s} \
 426          %{!pg:%{p:/usr/lib32/mips4/mcrt1.o%s /usr/lib32/mips4/libprof1.a%s} \
 427            %{!p:/usr/lib32/mips4/crt1.o%s}}} \
 428        %{!mips4:%{pg:/usr/lib32/mips3/gcrt1.o%s} \
 429          %{!pg:%{p:/usr/lib32/mips3/mcrt1.o%s /usr/lib32/mips3/libprof1.a%s} \
 430            %{!p:/usr/lib32/mips3/crt1.o%s}}}} \
 431      %{mabi=64: \
 432        %{mips4:%{pg:/usr/lib64/mips4/gcrt1.o} \
 433          %{!pg:%{p:/usr/lib64/mips4/mcrt1.o /usr/lib64/mips4/libprof1.a} \
 434            %{!p:/usr/lib64/mips4/crt1.o}}} \
 435        %{!mips4:%{pg:/usr/lib64/mips3/gcrt1.o} \
 436          %{!pg:%{p:/usr/lib64/mips3/mcrt1.o /usr/lib64/mips3/libprof1.a} \
 437            %{!p:/usr/lib64/mips3/crt1.o}}}} \
 438      %{!mabi*: \
 439        %{mips4:%{pg:/usr/lib32/mips4/gcrt1.o%s} \
 440          %{!pg:%{p:/usr/lib32/mips4/mcrt1.o%s /usr/lib32/mips4/libprof1.a%s} \
 441            %{!p:/usr/lib32/mips4/crt1.o%s}}} \
 442        %{!mips4:%{pg:/usr/lib32/mips3/gcrt1.o%s} \
 443          %{!pg:%{p:/usr/lib32/mips3/mcrt1.o%s /usr/lib32/mips3/libprof1.a%s} \
 444            %{!p:/usr/lib32/mips3/crt1.o%s}}}}} \
 445    %{mabi=n32: %{mips4:-L/usr/lib32/mips4} %{!mips4:-L/usr/lib32/mips3} \
 446      -L/usr/lib32} \
 447    %{mabi=64: %{mips4:-L/usr/lib64/mips4} %{!mips4:-L/usr/lib64/mips3} \
 448      -L/usr/lib64} \
 449    %{!mabi*: %{mips4:-L/usr/lib32/mips4} %{!mips4:-L/usr/lib32/mips3} \
 450      -L/usr/lib32} \
 451    crtbegin.o%s"
 452
 453 #undef LIB_SPEC
 454 #define LIB_SPEC "\
 455 %{!shared: \
 456   -dont_warn_unused %{p:libprof1.a%s}%{pg:libprof1.a%s} -lc -warn_unused}"
 457
 458 /* Avoid getting two warnings for libgcc.a everytime we link.  */
 459 #undef LIBGCC_SPEC
 460 #define LIBGCC_SPEC "-dont_warn_unused -lgcc -warn_unused"
 461
 462 /* ??? If no mabi=X option give, but a mipsX option is, then should depend
 463    on the mipsX option.  */
 464 #undef ENDFILE_SPEC
 465 #define ENDFILE_SPEC \
 466   "crtend.o%s \
 467    %{!shared: \
 468      %{mabi=32:crtn.o%s}\
 469      %{mabi=n32:%{mips4:/usr/lib32/mips4/crtn.o%s}\
 470        %{!mips4:/usr/lib32/mips3/crtn.o%s}}\
 471      %{mabi=64:%{mips4:/usr/lib64/mips4/crtn.o%s}\
 472        %{!mips4:/usr/lib64/mips3/crtn.o%s}}\
 473      %{!mabi*:%{mips4:/usr/lib32/mips4/crtn.o%s}\
 474        %{!mips4:/usr/lib32/mips3/crtn.o%s}}}"
 475
 476 /* ??? If no mabi=X option give, but a mipsX option is, then should depend
 477    on the mipsX option.  */
 478 #undef LINK_SPEC
 479 #define LINK_SPEC "\
 480 %{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} %{mips4} \
 481 %{bestGnum} %{shared} %{non_shared} \
 482 %{call_shared} %{no_archive} %{exact_version} \
 483 %{!shared: %{!non_shared: %{!call_shared: -call_shared -no_unresolved}}} \
 484 %{rpath} -init __do_global_ctors -fini __do_global_dtors \
 485 %{shared:-hidden_symbol __do_global_ctors,__do_global_dtors} \
 486 -_SYSTYPE_SVR4 %{mabi=32: -32}%{mabi=n32: -n32}%{mabi=64: -64} %{!mabi*: -n32}"