gcc/config/mips/iris6gld.h

   1 /* Definitions of target machine for GNU compiler.  Iris version 6 with
   2    GNU ld.
   3    Copyright (C) 1999, 2000 Free Software Foundation, Inc.
   4    Written by Mark Mitchell <mark@codesourcery.com>.
   5
   6 This file is part of GNU CC.
   7
   8 GNU CC is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 2, or (at your option)
  11 any later version.
  12
  13 GNU CC is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GNU CC; see the file COPYING.  If not, write to
  20 the Free Software Foundation, 59 Temple Place - Suite 330,
  21 Boston, MA 02111-1307, USA.  */
  22
  23 #undef LIB_SPEC
  24 #define LIB_SPEC \
  25   "%{mabi=n32: %{mips4:-L/usr/lib32/mips4} %{!mips4:-L/usr/lib32/mips3} \
  26      -L/usr/lib32} \
  27    %{mabi=64: %{mips4:-L/usr/lib64/mips4} %{!mips4:-L/usr/lib64/mips3} \
  28      -L/usr/lib64} \
  29    %{!mabi*: %{mips4:-L/usr/lib32/mips4} %{!mips4:-L/usr/lib32/mips3} \
  30      -L/usr/lib32} \
  31    %{!shared: \
  32      %{p:libprof1.a%s}%{pg:libprof1.a%s} -lc}"
  33
  34 /* Use the default libgcc spec.  */
  35 #undef LIBGCC_SPEC
  36
  37 /* ??? If no mabi=X option give, but a mipsX option is, then should depend
  38    on the mipsX option.  */
  39 #undef LINK_SPEC
  40 #define LINK_SPEC "\
  41 %{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} %{mips4} \
  42 %{bestGnum} %{shared} %{non_shared} \
  43 %{call_shared} %{no_archive} %{exact_version} \
  44 %{static: -non_shared} \
  45 %{!static: \
  46   %{!shared: %{!non_shared: %{!call_shared: -call_shared}}}} \
  47 %{rpath} -init __do_global_ctors -fini __do_global_dtors \
  48 %{mabi=32: -melf32bsmip}%{mabi=n32: -melf32bmipn32}%{mabi=64: -melf64bmip}%{!mabi*: -melf32bmipn32}"
  49
  50 /* The GNU linker supports one-only sections.  */
  51 #define MAKE_DECL_ONE_ONLY(DECL) (DECL_WEAK (DECL) = 1)
  52 #undef  UNIQUE_SECTION_P
  53 #define UNIQUE_SECTION_P(DECL) (DECL_ONE_ONLY (DECL))
  54 #define UNIQUE_SECTION(DECL, RELOC)                             \
  55   do                                                            \
  56     {                                                           \
  57       int len;                                                  \
  58       int sec;                                                  \
  59       char *name;                                               \
  60       char *string;                                             \
  61       char *prefix;                                             \
  62       static char *prefixes[/*4*/3][2] =                        \
  63       {                                                         \
  64         { ".text.",   ".gnu.linkonce.t." },                     \
  65         { ".rodata.", ".gnu.linkonce.r." },                     \
  66         { ".data.",   ".gnu.linkonce.d." }                      \
  67         /* Do not generate unique sections for uninitialised    \
  68            data since we do not have support for this in the    \
  69            linker scripts yet...                                \
  70         , { ".bss.",    ".gnu.linkonce.b." }  */                \
  71       };                                                        \
  72                                                                 \
  73       if (TREE_CODE (DECL) == FUNCTION_DECL)                    \
  74         sec = 0;                                                \
  75    /* else if (DECL_INITIAL (DECL) == 0                         \
  76                || DECL_INITIAL (DECL) == error_mark_node)       \
  77         sec =  3; */                                            \
  78       else if (DECL_READONLY_SECTION (DECL, RELOC))             \
  79         sec = 1;                                                \
  80       else                                                      \
  81         sec = 2;                                                \
  82                                                                 \
  83       name   = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (DECL)); \
  84       prefix = prefixes[sec][DECL_ONE_ONLY(DECL)];              \
  85       len    = strlen (name) + strlen (prefix);                 \
  86       string = alloca (len + 1);                                \
  87                                                                 \
  88       sprintf (string, "%s%s", prefix, name);                   \
  89                                                                 \
  90       DECL_SECTION_NAME (DECL) = build_string (len, string);    \
  91     }                                                           \
  92   while (0)