gcc/config/rs6000/sol2.h

   1 /* Definitions of target machine for GNU compiler,
   2    for IBM RS/6000 running AIX version 3.1.
   3    Copyright (C) 1996, 1997 Free Software Foundation, Inc.
   4    Contributed by David Reese (Dave.Reese@East.Sun.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 #include "rs6000/sysv4le.h"
  24
  25 /* Default ABI to use */
  26 #undef  RS6000_ABI_NAME
  27 #define RS6000_ABI_NAME "solaris"
  28
  29 #undef ASM_CPU_SPEC
  30 #define ASM_CPU_SPEC "-le -s"
  31
  32 #undef TARGET_DEFAULT
  33 #define TARGET_DEFAULT (MASK_POWERPC | \
  34                         MASK_NEW_MNEMONICS | \
  35                         MASK_LITTLE_ENDIAN | \
  36                         MASK_REGNAMES)
  37
  38 #undef  LIB_DEFAULT_SPEC
  39 #define LIB_DEFAULT_SPEC "%(lib_solaris)"
  40
  41 #undef  STARTFILE_DEFAULT_SPEC
  42 #define STARTFILE_DEFAULT_SPEC "%(startfile_solaris)"
  43
  44 #undef  ENDFILE_DEFAULT_SPEC
  45 #define ENDFILE_DEFAULT_SPEC "%(endfile_solaris)"
  46
  47 #undef  LINK_START_DEFAULT_SPEC
  48 #define LINK_START_DEFAULT_SPEC "%(link_start_solaris)"
  49
  50 #undef CPP_SPEC
  51 #define CPP_SPEC "%{posix: -D_POSIX_SOURCE}\
  52 %(cpp_sysv) %(cpp_endian) %(cpp_cpu) \
  53 %{mmvme: %(cpp_os_mvme) } \
  54 %{msim: %(cpp_os_sim) } \
  55 %{mcall-linux: %(cpp_os_linux) } \
  56 %{mcall-solaris: %(cpp_os_solaris) } \
  57 %{!mmvme: %{!msim: %{!mcall-linux: %{!mcall-solaris: %(cpp_os_default) }}}}"
  58
  59 #undef  CPP_OS_DEFAULT_SPEC
  60 #define CPP_OS_DEFAULT_SPEC "%(cpp_os_solaris)"
  61
  62 #undef  LINK_OS_DEFAULT_SPEC
  63 #define LINK_OS_DEFAULT_SPEC "%(link_os_solaris)"
  64
  65 #undef  CPP_ENDIAN_LITTLE_SPEC
  66 #define CPP_ENDIAN_LITTLE_SPEC CPP_ENDIAN_SOLARIS_SPEC
  67
  68 /* Don't turn -B into -L if the argument specifies a relative file name.  */
  69 #undef  RELATIVE_PREFIX_NOT_LINKDIR
  70
  71 #define DEFAULT_PCC_STRUCT_RETURN 0
  72
  73 #undef TARGET_VERSION
  74 #define TARGET_VERSION fprintf (stderr, " (PowerPC Solaris)");
  75
  76 \f
  77 /* Macros to check register numbers against specific register classes.  */
  78
  79 #undef  PREFERRED_DEBUGGING_TYPE
  80 #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
  81
  82
  83 #if 0
  84 #undef  ASM_OUTPUT_ALIGNED_LOCAL
  85 #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN)               \
  86 do {                                                                    \
  87   fprintf ((FILE), "\t%s\t", ".lcomm");                                 \
  88   assemble_name ((FILE), (NAME));                                       \
  89   fprintf ((FILE), ",%u,%u\n", (SIZE), (ALIGN) / BITS_PER_UNIT);        \
  90 } while (0)
  91 #endif
  92
  93 /* Like block addresses, stabs line numbers are relative to the
  94    current function.  */
  95
  96 /* use .stabd instead of .stabn */
  97
  98 #define ASM_STABN_OP    ".stabd"
  99
 100 #undef  ASM_OUTPUT_SOURCE_LINE
 101 #define ASM_OUTPUT_SOURCE_LINE(file, line)                              \
 102 do                                                                      \
 103   {                                                                     \
 104     static int sym_lineno = 1;                                          \
 105     char *_p;                                                           \
 106     fprintf (file, "\t.stabd 68,0,%d,.LM%d-",                           \
 107              line, sym_lineno);                                         \
 108     STRIP_NAME_ENCODING (_p, XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0)); \
 109     assemble_name (file, _p);                                           \
 110     fprintf (file, "\n.LM%d:\n", sym_lineno);                           \
 111     sym_lineno += 1;                                                    \
 112   }                                                                     \
 113 while (0)
 114
 115 /* This is how to output an assembler line defining a `double' constant.  */
 116
 117 #undef  ASM_OUTPUT_DOUBLE
 118 #define ASM_OUTPUT_DOUBLE(FILE, VALUE)                                  \
 119   {                                                                     \
 120     if (REAL_VALUE_ISINF (VALUE)                                        \
 121         || REAL_VALUE_ISNAN (VALUE)                                     \
 122         || REAL_VALUE_MINUS_ZERO (VALUE))                               \
 123       {                                                                 \
 124         long t[2];                                                      \
 125         REAL_VALUE_TO_TARGET_DOUBLE ((VALUE), t);                       \
 126         fprintf (FILE, "\t.long 0x%lx\n\t.long 0x%lx\n",                \
 127                 t[0] & 0xffffffff, t[1] & 0xffffffff);                  \
 128       }                                                                 \
 129     else                                                                \
 130       {                                                                 \
 131         char str[30];                                                   \
 132         REAL_VALUE_TO_DECIMAL (VALUE, "%.20e", str);                    \
 133         fprintf (FILE, "\t.double %s\n", str);                          \
 134       }                                                                 \
 135   }
 136
 137 /* This is how to output an assembler line defining a `float' constant.  */
 138
 139 #undef  ASM_OUTPUT_FLOAT
 140 #define ASM_OUTPUT_FLOAT(FILE, VALUE)                                   \
 141   {                                                                     \
 142     if (REAL_VALUE_ISINF (VALUE)                                        \
 143         || REAL_VALUE_ISNAN (VALUE)                                     \
 144         || REAL_VALUE_MINUS_ZERO (VALUE))                               \
 145       {                                                                 \
 146         long t;                                                         \
 147         REAL_VALUE_TO_TARGET_SINGLE ((VALUE), t);                       \
 148         fprintf (FILE, "\t.long 0x%lx\n", t & 0xffffffff);              \
 149       }                                                                 \
 150     else                                                                \
 151       {                                                                 \
 152         char str[30];                                                   \
 153         REAL_VALUE_TO_DECIMAL ((VALUE), "%.20e", str);                  \
 154         fprintf (FILE, "\t.float %s\n", str);                           \
 155       }                                                                 \
 156   }
 157
 158 \f
 159 /* Sun-ppc assembler does not permit '.' in some symbol names.
 160    Use 'name_.labelno' instead. */
 161 #undef ASM_FORMAT_PRIVATE_NAME
 162 #define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO)  \
 163 ( (OUTPUT) = (char *) alloca (strlen ((NAME)) + 10),    \
 164   sprintf ((OUTPUT), "%s_.%d", (NAME), (LABELNO)))
 165
 166
 167 /* Define this macro as a C expression for the initializer of an
 168    array of string to tell the driver program which options are
 169    defaults for this target and thus do not need to be handled
 170    specially when using `MULTILIB_OPTIONS'.
 171
 172    Do not define this macro if `MULTILIB_OPTIONS' is not defined in
 173    the target makefile fragment or if none of the options listed in
 174    `MULTILIB_OPTIONS' are set by default.  *Note Target Fragment::.  */
 175
 176 #undef  MULTILIB_DEFAULTS
 177 #define MULTILIB_DEFAULTS { "mlittle", "mcall-solaris" }
 178
 179 #define STDC_0_IN_SYSTEM_HEADERS