gcc/config/mips/iris6.h

   1 /* Definitions of target machine for GNU compiler.  Iris version 6.
   2    Copyright (C) 1994, 1995, 1996, 1998 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 #undef SUBTARGET_CC1_SPEC
  38 #define SUBTARGET_CC1_SPEC "%{static: -mno-abicalls}"
  39
  40 /* We must pass -D_LONGLONG always, even when -ansi is used, because irix6
  41    system header files require it.  This is OK, because gcc never warns
  42    when long long is used in system header files.  Alternatively, we can
  43    add support for the SGI builtin type __long_long.  */
  44 #undef CPP_PREDEFINES
  45 #define CPP_PREDEFINES \
  46  "-Dunix -Dmips -Dsgi -Dhost_mips -DMIPSEB -D_MIPSEB -DSYSTYPE_SVR4 \
  47   -D_LONGLONG -D_SVR4_SOURCE -D_MODERN_C -D__DSO__ \
  48   -Asystem(unix) -Asystem(svr4) -Acpu(mips) -Amachine(sgi)"
  49
  50 #undef SUBTARGET_CPP_SIZE_SPEC
  51 #define SUBTARGET_CPP_SIZE_SPEC "\
  52 %{mabi=32: -D__SIZE_TYPE__=unsigned\\ int -D__PTRDIFF_TYPE__=int} \
  53 %{mabi=n32: -D__SIZE_TYPE__=unsigned\\ int -D__PTRDIFF_TYPE__=int} \
  54 %{mabi=64: -D__SIZE_TYPE__=long\\ unsigned\\ int -D__PTRDIFF_TYPE__=long\\ int} \
  55 %{!mabi*: -D__SIZE_TYPE__=unsigned\\ int -D__PTRDIFF_TYPE__=int}"
  56
  57 /* We must make -mips3 do what -mlong64 used to do.  */
  58 /* ??? If no mipsX option given, but a mabi=X option is, then should set
  59    _MIPS_ISA based on the mabi=X option.  */
  60 /* ??? If no mabi=X option give, but a mipsX option is, then should set
  61    _MIPS_SIM based on the mipsX option.  */
  62 /* ??? Same for _MIPS_SZINT.  */
  63 /* ??? Same for _MIPS_SZPTR.  */
  64 /* ??? Same for __SIZE_TYPE and __PTRDIFF_TYPE.  */
  65 #undef SUBTARGET_CPP_SPEC
  66 #define SUBTARGET_CPP_SPEC "\
  67 %{!ansi:-D__EXTENSIONS__ -D_SGI_SOURCE} \
  68 %{mfp32: -D_MIPS_FPSET=16}%{!mfp32: -D_MIPS_FPSET=32} \
  69 %{mips1: -D_MIPS_ISA=_MIPS_ISA_MIPS1} \
  70 %{mips2: -D_MIPS_ISA=_MIPS_ISA_MIPS2} \
  71 %{mips3: -D_MIPS_ISA=_MIPS_ISA_MIPS3} \
  72 %{mips4: -D_MIPS_ISA=_MIPS_ISA_MIPS4} \
  73 %{!mips*: -D_MIPS_ISA=_MIPS_ISA_MIPS3} \
  74 %{mabi=32: -D_MIPS_SIM=_MIPS_SIM_ABI32} \
  75 %{mabi=n32: -D_ABIN32=2 -D_MIPS_SIM=_ABIN32} \
  76 %{mabi=64: -D_ABI64=3 -D_MIPS_SIM=_ABI64} \
  77 %{!mabi*: -D_ABIN32=2 -D_MIPS_SIM=_ABIN32} \
  78 %{!mint64: -D_MIPS_SZINT=32}%{mint64: -D_MIPS_SZINT=64} \
  79 %{mabi=32: -D_MIPS_SZLONG=32} \
  80 %{mabi=n32: -D_MIPS_SZLONG=32} \
  81 %{mabi=64: -D_MIPS_SZLONG=64} \
  82 %{!mabi*: -D_MIPS_SZLONG=32} \
  83 %{mabi=32: -D_MIPS_SZPTR=32} \
  84 %{mabi=n32: -D_MIPS_SZPTR=32} \
  85 %{mabi=64: -D_MIPS_SZPTR=64} \
  86 %{!mabi*: -D_MIPS_SZPTR=32} \
  87 %{!mips1:%{!mips2: -D_COMPILER_VERSION=601}}            \
  88 %{!mips*: -U__mips -D__mips=3} \
  89 %{mabi=32: -U__mips64} \
  90 %{mabi=n32: -D__mips64} \
  91 %{mabi=64: -D__mips64} \
  92 %{!mabi*: -D__mips64}"
  93
  94 /* Irix 6 uses DWARF-2.  */
  95 #define DWARF2_DEBUGGING_INFO
  96 #define MIPS_DEBUGGING_INFO
  97 #undef PREFERRED_DEBUGGING_TYPE
  98 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
  99
 100 /* The size in bytes of a DWARF field indicating an offset or length
 101    relative to a debug info section, specified to be 4 bytes in the DWARF-2
 102    specification.  The SGI/MIPS ABI defines it to be the same as PTR_SIZE.  */
 103 #define DWARF_OFFSET_SIZE PTR_SIZE
 104
 105 #undef MACHINE_TYPE
 106 #define MACHINE_TYPE "SGI running IRIX 6.x"
 107
 108 /* The Irix 6.0.1 assembler doesn't like labels in the text section, so
 109    just avoid emitting them.  */
 110 #define ASM_IDENTIFY_GCC
 111 #define ASM_IDENTIFY_LANGUAGE
 112
 113 /* Irix 5 stuff that we don't need for Irix 6.  */
 114 /* ??? We do need this for the -mabi=32 switch though.  */
 115 #undef ASM_OUTPUT_UNDEF_FUNCTION
 116 #undef ASM_OUTPUT_EXTERNAL_LIBCALL
 117 #undef ASM_DECLARE_FUNCTION_SIZE
 118
 119 /* Stuff we need for Irix 6 that isn't in Irix 5.  */
 120
 121 /* The SGI assembler doesn't like labels before the .ent, so we must output
 122    the .ent and function name here, which is the normal place for it.  */
 123
 124 #undef ASM_DECLARE_FUNCTION_NAME
 125 #define ASM_DECLARE_FUNCTION_NAME(STREAM, NAME, DECL)                   \
 126   do {                                                                  \
 127     fputs ("\t.ent\t", STREAM);                                         \
 128     assemble_name (STREAM, NAME);                                       \
 129     fputs ("\n", STREAM);                                               \
 130     assemble_name (STREAM, NAME);                                       \
 131     fputs (":\n", STREAM);                                              \
 132   } while (0)
 133
 134 /* Likewise, the SGI assembler doesn't like labels after the .end, so we
 135    must output the .end here.  */
 136 #define ASM_DECLARE_FUNCTION_SIZE(STREAM, NAME, DECL)                   \
 137   do {                                                                  \
 138     fputs ("\t.end\t", STREAM);                                         \
 139     assemble_name (STREAM, NAME);                                       \
 140     fputs ("\n", STREAM);                                               \
 141   } while (0)
 142
 143 /* Tell function_prologue in mips.c that we have already output the .ent/.end
 144    psuedo-ops.  */
 145 #define FUNCTION_NAME_ALREADY_DECLARED
 146
 147 #undef SET_ASM_OP       /* Has no equivalent.  See ASM_OUTPUT_DEF below.  */
 148
 149 #if 0
 150 /* This is *NOT* how to equate one symbol to another symbol.  The assembler
 151    '=' syntax just equates a name to a constant expression.
 152    See ASM_OUTPUT_WEAK_ALIAS.  */
 153
 154 #define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2)                              \
 155  do {   fprintf ((FILE), "\t");                                         \
 156         assemble_name (FILE, LABEL1);                                   \
 157         fprintf (FILE, " = ");                                          \
 158         assemble_name (FILE, LABEL2);                                   \
 159         fprintf (FILE, "\n");                                           \
 160   } while (0)
 161 #endif
 162
 163 /* Define the strings used for the special svr4 .type and .size directives.  */
 164
 165 #define TYPE_ASM_OP     ".type"
 166 #define SIZE_ASM_OP     ".size"
 167
 168 /* This is how we tell the assembler that a symbol is weak.  */
 169
 170 #define ASM_OUTPUT_WEAK_ALIAS(FILE,NAME,VALUE)  \
 171  do {                                           \
 172   fputs ("\t.weakext\t", FILE);                 \
 173   assemble_name (FILE, NAME);                   \
 174   if (VALUE)                                    \
 175     {                                           \
 176       fputc (' ', FILE);                        \
 177       assemble_name (FILE, VALUE);              \
 178     }                                           \
 179   fputc ('\n', FILE);                           \
 180  } while (0)
 181
 182 #define ASM_WEAKEN_LABEL(FILE,NAME) ASM_OUTPUT_WEAK_ALIAS(FILE,NAME,0)
 183
 184 #define POPSECTION_ASM_OP       ".popsection"
 185
 186 #define DEBUG_INFO_SECTION      ".debug_info,0x7000001e,0,0,1"
 187 #define DEBUG_LINE_SECTION      ".debug_line,0x7000001e,0,0,1"
 188 #define SFNAMES_SECTION         ".debug_sfnames,0x7000001e,0,0,1"
 189 #define SRCINFO_SECTION         ".debug_srcinfo,0x7000001e,0,0,1"
 190 #define MACINFO_SECTION         ".debug_macinfo,0x7000001e,0,0,1"
 191 #define PUBNAMES_SECTION        ".debug_pubnames,0x7000001e,0,0,1"
 192 #define ARANGES_SECTION         ".debug_aranges,0x7000001e,0,0,1"
 193 #define FRAME_SECTION           ".debug_frame,0x7000001e,0x08000000,0,1"
 194 #define ABBREV_SECTION          ".debug_abbrev,0x7000001e,0,0,1"
 195
 196 /* ??? If no mabi=X option give, but a mipsX option is, then should depend
 197    on the mipsX option.  */
 198 #undef SUBTARGET_ASM_SPEC
 199 #define SUBTARGET_ASM_SPEC "%{!mabi*:-n32}"
 200
 201 /* Must pass -g0 to the assembler, otherwise it may overwrite our
 202    debug info with its own debug info. */
 203 /* Must pass -show instead of -v.  */
 204 /* Must pass -G 0 to the assembler, otherwise we may get warnings about
 205    GOT overflow.  */
 206 /* ??? We pass -w to disable all assembler warnings.  The `label should be
 207    inside .ent/.end block' warning that we get for DWARF II debug info labels
 208    is particularly annoying.  */
 209 #undef SUBTARGET_MIPS_AS_ASM_SPEC
 210 #define SUBTARGET_MIPS_AS_ASM_SPEC "%{v:-show} -G 0 -w"
 211
 212 #undef SUBTARGET_ASM_DEBUGGING_SPEC
 213 #define SUBTARGET_ASM_DEBUGGING_SPEC "-g0"
 214
 215 /* Stuff for constructors.  Start here.  */
 216
 217 /* The assembler now accepts .section pseudo-ops, but it does not allow
 218    one to change the section in the middle of a function, so we can't use
 219    the INIT_SECTION_ASM_OP code in crtstuff.  But we can build up the ctor
 220    and dtor lists this way, so we use -init and -fini to invoke the
 221    do_global_* functions instead of running collect2.  */
 222
 223 #define BSS_SECTION_ASM_OP      ".section\t.bss"
 224 #define CONST_SECTION_ASM_OP_32 "\t.rdata"
 225 #define CONST_SECTION_ASM_OP_64 ".section\t.rodata"
 226
 227 /* The IRIX 6 assembler .section directive takes four additional args:
 228    section type, flags, entry size, and alignment.  The alignment of the
 229    .ctors and .dtors sections needs to be the same as the size of a pointer
 230    so that the linker doesn't add padding between elements.  */
 231 #if defined (CRT_BEGIN) || defined (CRT_END)
 232
 233 /* If we are included from crtstuff.c, these need to be plain strings.
 234    _MIPS_SZPTR is defined in SUBTARGET_CPP_SPEC above.  */
 235 #if _MIPS_SZPTR == 64
 236 #define CTORS_SECTION_ASM_OP ".section\t.ctors,1,2,0,8"
 237 #define DTORS_SECTION_ASM_OP ".section\t.dtors,1,2,0,8"
 238 #else /* _MIPS_SZPTR != 64 */
 239 #define CTORS_SECTION_ASM_OP ".section\t.ctors,1,2,0,4"
 240 #define DTORS_SECTION_ASM_OP ".section\t.dtors,1,2,0,4"
 241 #endif /* _MIPS_SZPTR == 64 */
 242
 243 #else /* ! (defined (CRT_BEGIN) || defined (CRT_END)) */
 244
 245 /* If we are included from varasm.c, these need to depend on -mabi.  */
 246 #define CTORS_SECTION_ASM_OP \
 247   (TARGET_LONG64 ? ".section\t.ctors,1,2,0,8" : ".section\t.ctors,1,2,0,4")
 248 #define DTORS_SECTION_ASM_OP \
 249   (TARGET_LONG64 ? ".section\t.dtors,1,2,0,8" : ".section\t.dtors,1,2,0,4")
 250 #endif /* defined (CRT_BEGIN) || defined (CRT_END) */
 251
 252 /* dwarf2out will handle padding this data properly.  We definitely don't
 253    want it 8-byte aligned on n32.  */
 254 #define EH_FRAME_SECTION_ASM_OP ".section\t.eh_frame,1,2,0,1"
 255
 256 /* A default list of other sections which we might be "in" at any given
 257    time.  For targets that use additional sections (e.g. .tdesc) you
 258    should override this definition in the target-specific file which
 259    includes this file.  */
 260
 261 #undef EXTRA_SECTIONS
 262 #define EXTRA_SECTIONS in_sdata, in_rdata, in_const, in_ctors, in_dtors
 263
 264 /* A default list of extra section function definitions.  For targets
 265    that use additional sections (e.g. .tdesc) you should override this
 266    definition in the target-specific file which includes this file.  */
 267
 268 /* ??? rdata_section is now same as svr4 const_section.  */
 269
 270 #undef EXTRA_SECTION_FUNCTIONS
 271 #define EXTRA_SECTION_FUNCTIONS                                         \
 272 void                                                                    \
 273 sdata_section ()                                                        \
 274 {                                                                       \
 275   if (in_section != in_sdata)                                           \
 276     {                                                                   \
 277       fprintf (asm_out_file, "%s\n", SDATA_SECTION_ASM_OP);             \
 278       in_section = in_sdata;                                            \
 279     }                                                                   \
 280 }                                                                       \
 281                                                                         \
 282 void                                                                    \
 283 rdata_section ()                                                        \
 284 {                                                                       \
 285   if (in_section != in_rdata)                                           \
 286     {                                                                   \
 287       if (mips_abi != ABI_32)                                           \
 288         fprintf (asm_out_file, "%s\n", CONST_SECTION_ASM_OP_64);        \
 289       else                                                              \
 290         fprintf (asm_out_file, "%s\n", CONST_SECTION_ASM_OP_32);        \
 291       in_section = in_rdata;                                            \
 292     }                                                                   \
 293 }                                                                       \
 294   CTORS_SECTION_FUNCTION                                                \
 295   DTORS_SECTION_FUNCTION
 296
 297 #define CTORS_SECTION_FUNCTION                                          \
 298 void                                                                    \
 299 ctors_section ()                                                        \
 300 {                                                                       \
 301   if (in_section != in_ctors)                                           \
 302     {                                                                   \
 303       fprintf (asm_out_file, "%s\n", CTORS_SECTION_ASM_OP);             \
 304       in_section = in_ctors;                                            \
 305     }                                                                   \
 306 }
 307
 308 #define DTORS_SECTION_FUNCTION                                          \
 309 void                                                                    \
 310 dtors_section ()                                                        \
 311 {                                                                       \
 312   if (in_section != in_dtors)                                           \
 313     {                                                                   \
 314       fprintf (asm_out_file, "%s\n", DTORS_SECTION_ASM_OP);             \
 315       in_section = in_dtors;                                            \
 316     }                                                                   \
 317 }
 318
 319 /* A C statement (sans semicolon) to output an element in the table of
 320    global constructors.  */
 321 #define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME)                               \
 322   do {                                                                  \
 323     ctors_section ();                                                   \
 324     fprintf (FILE, "\t%s\t ",                                           \
 325              TARGET_LONG64 ? ".dword" : ".word");                       \
 326     assemble_name (FILE, NAME);                                         \
 327     fprintf (FILE, "\n");                                               \
 328   } while (0)
 329
 330 /* A C statement (sans semicolon) to output an element in the table of
 331    global destructors.  */
 332 #define ASM_OUTPUT_DESTRUCTOR(FILE,NAME)                                \
 333   do {                                                                  \
 334     dtors_section ();                                                   \
 335     fprintf (FILE, "\t%s\t ",                                           \
 336              TARGET_LONG64 ? ".dword" : ".word");                       \
 337     assemble_name (FILE, NAME);                                         \
 338     fprintf (FILE, "\n");                                               \
 339   } while (0)
 340
 341 /* A C statement to output something to the assembler file to switch to section
 342    NAME for object DECL which is either a FUNCTION_DECL, a VAR_DECL or
 343    NULL_TREE.  */
 344
 345 #define ASM_OUTPUT_SECTION_NAME(F, DECL, NAME, RELOC)                   \
 346 do {                                                                    \
 347   extern FILE *asm_out_text_file;                                       \
 348   if ((DECL) && TREE_CODE (DECL) == FUNCTION_DECL)                      \
 349     fprintf (asm_out_text_file, "\t.section %s,1,6,4,4\n", (NAME));     \
 350   else if ((DECL) && DECL_READONLY_SECTION (DECL, RELOC))               \
 351     fprintf (F, "\t.section %s,1,2,0,8\n", (NAME));                     \
 352   else                                                                  \
 353     fprintf (F, "\t.section %s,1,3,0,8\n", (NAME));                     \
 354 } while (0)
 355
 356 /* Stuff for constructors.  End here.  */
 357
 358 /* ??? Perhaps just include svr4.h in this file?  */
 359
 360 /* ??? SGI assembler may core dump when compiling with -g.
 361    Sometimes as succeeds, but then we get a linker error. (cmds.c in 072.sc)
 362    Getting rid of .file solves both problems.  */
 363 #undef ASM_OUTPUT_FILENAME
 364 #define ASM_OUTPUT_FILENAME(STREAM, NUM_SOURCE_FILENAMES, NAME) \
 365 do                                                              \
 366   {                                                             \
 367     fprintf (STREAM, "\t#.file\t%d ", NUM_SOURCE_FILENAMES);    \
 368     output_quoted_string (STREAM, NAME);                        \
 369     fputs ("\n", STREAM);                                       \
 370   }                                                             \
 371 while (0)
 372
 373 /* ??? SGI assembler gives warning whenever .lcomm is used.  */
 374 #undef ASM_OUTPUT_LOCAL
 375 #define ASM_OUTPUT_ALIGNED_LOCAL(STREAM, NAME, SIZE, ALIGN)                \
 376 do                                                                         \
 377   {                                                                        \
 378     if (mips_abi != ABI_32)                                                \
 379       {                                                                    \
 380         fprintf (STREAM, "%s\n", BSS_SECTION_ASM_OP);                      \
 381         mips_declare_object (STREAM, NAME, "", ":\n", 0);                  \
 382         ASM_OUTPUT_ALIGN (STREAM, floor_log2 (ALIGN / BITS_PER_UNIT));     \
 383         ASM_OUTPUT_SKIP (STREAM, SIZE);                                    \
 384         fprintf (STREAM, "\t%s\n", POPSECTION_ASM_OP);                     \
 385       }                                                                    \
 386     else                                                                   \
 387       mips_declare_object (STREAM, NAME, "\n\t.lcomm\t", ",%u\n", (SIZE)); \
 388   }                                                                        \
 389 while (0)
 390
 391 /* A C statement (sans semicolon) to output to the stdio stream
 392    FILE the assembler definition of uninitialized global DECL named
 393    NAME whose size is SIZE bytes and alignment is ALIGN bytes.
 394    Try to use asm_output_aligned_bss to implement this macro.  */
 395
 396 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
 397   asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
 398
 399 /* Write the extra assembler code needed to declare an object properly.  */
 400
 401 #undef ASM_DECLARE_OBJECT_NAME
 402 #define ASM_DECLARE_OBJECT_NAME(STREAM, NAME, DECL)                     \
 403 do                                                                      \
 404  {                                                                      \
 405    size_directive_output = 0;                                           \
 406    if (!flag_inhibit_size_directive && DECL_SIZE (DECL))        \
 407      {                                                                  \
 408        size_directive_output = 1;                                       \
 409        fprintf (STREAM, "\t%s\t ", SIZE_ASM_OP);                        \
 410        assemble_name (STREAM, NAME);                                    \
 411        fprintf (STREAM, ",%d\n", int_size_in_bytes (TREE_TYPE (DECL))); \
 412      }                                                                  \
 413    mips_declare_object (STREAM, NAME, "", ":\n", 0);                    \
 414  }                                                                      \
 415 while (0)
 416
 417 /* Output the size directive for a decl in rest_of_decl_compilation
 418    in the case where we did not do so before the initializer.
 419    Once we find the error_mark_node, we know that the value of
 420    size_directive_output was set
 421    by ASM_DECLARE_OBJECT_NAME when it was run for the same decl.  */
 422
 423 #define ASM_FINISH_DECLARE_OBJECT(FILE, DECL, TOP_LEVEL, AT_END)         \
 424 do {                                                                     \
 425      char *name = XSTR (XEXP (DECL_RTL (DECL), 0), 0);                   \
 426      if (!flag_inhibit_size_directive && DECL_SIZE (DECL)                \
 427          && ! AT_END && TOP_LEVEL                                        \
 428          && DECL_INITIAL (DECL) == error_mark_node                       \
 429          && !size_directive_output)                                      \
 430        {                                                                 \
 431          size_directive_output = 1;                                      \
 432          fprintf (FILE, "\t%s\t ", SIZE_ASM_OP);                         \
 433          assemble_name (FILE, name);                                     \
 434          fprintf (FILE, ",%d\n",  int_size_in_bytes (TREE_TYPE (DECL))); \
 435        }                                                                 \
 436    } while (0)
 437
 438 #undef LOCAL_LABEL_PREFIX
 439 #define LOCAL_LABEL_PREFIX (mips_abi == ABI_32 ? "$" : ".")
 440
 441 /* Profiling is supported via libprof1.a not -lc_p as in Irix 3.  */
 442 /* ??? If no mabi=X option give, but a mipsX option is, then should depend
 443    on the mipsX option.  */
 444 #undef STARTFILE_SPEC
 445 #define STARTFILE_SPEC \
 446   "%{!static:%{!shared: \
 447      %{mabi=32:%{pg:gcrt1.o%s} \
 448        %{!pg:%{p:mcrt1.o%s libprof1.a%s}%{!p:crt1.o%s}}} \
 449      %{mabi=n32: \
 450        %{mips4:%{pg:/usr/lib32/mips4/gcrt1.o%s} \
 451          %{!pg:%{p:/usr/lib32/mips4/mcrt1.o%s /usr/lib32/mips4/libprof1.a%s} \
 452            %{!p:/usr/lib32/mips4/crt1.o%s}}} \
 453        %{!mips4:%{pg:/usr/lib32/mips3/gcrt1.o%s} \
 454          %{!pg:%{p:/usr/lib32/mips3/mcrt1.o%s /usr/lib32/mips3/libprof1.a%s} \
 455            %{!p:/usr/lib32/mips3/crt1.o%s}}}} \
 456      %{mabi=64: \
 457        %{mips4:%{pg:/usr/lib64/mips4/gcrt1.o} \
 458          %{!pg:%{p:/usr/lib64/mips4/mcrt1.o /usr/lib64/mips4/libprof1.a} \
 459            %{!p:/usr/lib64/mips4/crt1.o}}} \
 460        %{!mips4:%{pg:/usr/lib64/mips3/gcrt1.o} \
 461          %{!pg:%{p:/usr/lib64/mips3/mcrt1.o /usr/lib64/mips3/libprof1.a} \
 462            %{!p:/usr/lib64/mips3/crt1.o}}}} \
 463      %{!mabi*: \
 464        %{mips4:%{pg:/usr/lib32/mips4/gcrt1.o%s} \
 465          %{!pg:%{p:/usr/lib32/mips4/mcrt1.o%s /usr/lib32/mips4/libprof1.a%s} \
 466            %{!p:/usr/lib32/mips4/crt1.o%s}}} \
 467        %{!mips4:%{pg:/usr/lib32/mips3/gcrt1.o%s} \
 468          %{!pg:%{p:/usr/lib32/mips3/mcrt1.o%s /usr/lib32/mips3/libprof1.a%s} \
 469            %{!p:/usr/lib32/mips3/crt1.o%s}}}}}} \
 470    %{static: \
 471      %{mabi=32:%{pg:/usr/lib/nonshared/gcrt1.o%s} \
 472        %{!pg:%{p:/usr/lib/nonshared/mcrt1.o%s /usr/lib/nonshared/libprof1.a%s} \
 473          %{!p:/usr/lib/nonshared/crt1.o%s}}} \
 474      %{mabi=n32: \
 475        %{mips4:%{pg:/usr/lib32/mips4/nonshared/gcrt1.o%s} \
 476          %{!pg:%{p:/usr/lib32/mips4/nonshared/mcrt1.o%s \
 477              /usr/lib32/mips4/nonshared/libprof1.a%s} \
 478            %{!p:/usr/lib32/mips4/nonshared/crt1.o%s}}} \
 479        %{!mips4:%{pg:/usr/lib32/mips3/nonshared/gcrt1.o%s} \
 480          %{!pg:%{p:/usr/lib32/mips3/nonshared/mcrt1.o%s \
 481              /usr/lib32/mips3/nonshared/libprof1.a%s} \
 482            %{!p:/usr/lib32/mips3/nonshared/crt1.o%s}}}} \
 483      %{mabi=64: \
 484        %{mips4:%{pg:/usr/lib64/mips4/nonshared/gcrt1.o} \
 485          %{!pg:%{p:/usr/lib64/mips4/nonshared/mcrt1.o \
 486              /usr/lib64/mips4/nonshared/libprof1.a} \
 487            %{!p:/usr/lib64/mips4/nonshared/crt1.o}}} \
 488        %{!mips4:%{pg:/usr/lib64/mips3/nonshared/gcrt1.o} \
 489          %{!pg:%{p:/usr/lib64/mips3/nonshared/mcrt1.o \
 490              /usr/lib64/mips3/nonshared/libprof1.a} \
 491            %{!p:/usr/lib64/mips3/nonshared/crt1.o}}}} \
 492      %{!mabi*: \
 493        %{mips4:%{pg:/usr/lib32/mips4/nonshared/gcrt1.o%s} \
 494          %{!pg:%{p:/usr/lib32/mips4/nonshared/mcrt1.o%s \
 495              /usr/lib32/mips4/nonshared/libprof1.a%s} \
 496            %{!p:/usr/lib32/mips4/nonshared/crt1.o%s}}} \
 497        %{!mips4:%{pg:/usr/lib32/mips3/nonshared/gcrt1.o%s} \
 498          %{!pg:%{p:/usr/lib32/mips3/nonshared/mcrt1.o%s \
 499            /usr/lib32/mips3/nonshared/libprof1.a%s} \
 500          %{!pg:%{p:/usr/lib32/mips3/nonshared/mcrt1.o%s \
 501              /usr/lib32/mips3/nonshared/libprof1.a%s} \
 502            %{!p:/usr/lib32/mips3/nonshared/crt1.o%s}}}}}} \
 503    %{mabi=n32: %{mips4:-L/usr/lib32/mips4} %{!mips4:-L/usr/lib32/mips3} \
 504      -L/usr/lib32} \
 505    %{mabi=64: %{mips4:-L/usr/lib64/mips4} %{!mips4:-L/usr/lib64/mips3} \
 506      -L/usr/lib64} \
 507    %{!mabi*: %{mips4:-L/usr/lib32/mips4} %{!mips4:-L/usr/lib32/mips3} \
 508      -L/usr/lib32} \
 509    crtbegin.o%s"
 510
 511 #undef LIB_SPEC
 512 #define LIB_SPEC "\
 513 %{!shared: \
 514   -dont_warn_unused %{p:libprof1.a%s}%{pg:libprof1.a%s} -lc -warn_unused}"
 515
 516 /* Avoid getting two warnings for libgcc.a everytime we link.  */
 517 #undef LIBGCC_SPEC
 518 #define LIBGCC_SPEC "-dont_warn_unused -lgcc -warn_unused"
 519
 520 /* ??? If no mabi=X option give, but a mipsX option is, then should depend
 521    on the mipsX option.  */
 522 #undef ENDFILE_SPEC
 523 #define ENDFILE_SPEC \
 524   "crtend.o%s \
 525    %{!shared: \
 526      %{mabi=32:crtn.o%s}\
 527      %{mabi=n32:%{mips4:/usr/lib32/mips4/crtn.o%s}\
 528        %{!mips4:/usr/lib32/mips3/crtn.o%s}}\
 529      %{mabi=64:%{mips4:/usr/lib64/mips4/crtn.o%s}\
 530        %{!mips4:/usr/lib64/mips3/crtn.o%s}}\
 531      %{!mabi*:%{mips4:/usr/lib32/mips4/crtn.o%s}\
 532        %{!mips4:/usr/lib32/mips3/crtn.o%s}}}"
 533
 534 /* ??? If no mabi=X option give, but a mipsX option is, then should depend
 535    on the mipsX option.  */
 536 #undef LINK_SPEC
 537 #define LINK_SPEC "\
 538 %{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} %{mips4} \
 539 %{bestGnum} %{shared} %{non_shared} \
 540 %{call_shared} %{no_archive} %{exact_version} %{w} \
 541 %{static: -non_shared} \
 542 %{!static: \
 543   %{!shared: %{!non_shared: %{!call_shared: -call_shared -no_unresolved}}}} \
 544 %{rpath} -init __do_global_ctors -fini __do_global_dtors \
 545 %{shared:-hidden_symbol __do_global_ctors,__do_global_dtors,__EH_FRAME_BEGIN__,__frame_dummy} \
 546 -_SYSTYPE_SVR4 %{mabi=32: -32}%{mabi=n32: -n32}%{mabi=64: -64} %{!mabi*: -n32}"