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 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, 675 Mass Ave, Cambridge, MA 02139, USA.  */
  21
  22 #include "rs6000/sysv4le.h"
  23
  24 /* Default ABI to use */
  25 #undef  RS6000_ABI_NAME
  26 #define RS6000_ABI_NAME "solaris"
  27
  28 #undef ASM_CPU_SPEC
  29 #define ASM_CPU_SPEC "-le -s"
  30
  31 #undef TARGET_DEFAULT
  32 #define TARGET_DEFAULT (MASK_POWERPC | \
  33                         MASK_NEW_MNEMONICS | \
  34                         MASK_LITTLE_ENDIAN | \
  35                         MASK_REGNAMES)
  36
  37 #undef  LIB_DEFAULT_SPEC
  38 #define LIB_DEFAULT_SPEC "%(lib_solaris)"
  39
  40 #undef  STARTFILE_DEFAULT_SPEC
  41 #define STARTFILE_DEFAULT_SPEC "%(startfile_solaris)"
  42
  43 #undef  ENDFILE_DEFAULT_SPEC
  44 #define ENDFILE_DEFAULT_SPEC "%(endfile_solaris)"
  45
  46 #undef  LINK_START_DEFAULT_SPEC
  47 #define LINK_START_DEFAULT_SPEC "%(link_start_solaris)"
  48
  49 #undef  CPP_OS_DEFAULT_SPEC
  50 #define CPP_OS_DEFAULT_SPEC "%(cpp_os_solaris)"
  51
  52 #undef  LINK_OS_DEFAULT_SPEC
  53 #define LINK_OS_DEFAULT_SPEC "%(link_os_solaris)"
  54
  55 #undef  CPP_ENDIAN_LITTLE_SPEC
  56 #define CPP_ENDIAN_LITTLE_SPEC CPP_ENDIAN_SOLARIS_SPEC
  57
  58 /* Don't turn -B into -L if the argument specifies a relative file name.  */
  59 #undef  RELATIVE_PREFIX_NOT_LINKDIR
  60
  61 #define DEFAULT_PCC_STRUCT_RETURN 0
  62
  63 #undef TARGET_VERSION
  64 #define TARGET_VERSION fprintf (stderr, " (PowerPC Solaris)");
  65
  66 \f
  67 /* Macros to check register numbers against specific register classes.  */
  68
  69 #undef  PREFERRED_DEBUGGING_TYPE
  70 #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
  71
  72
  73 #if 0
  74 #undef  ASM_OUTPUT_ALIGNED_LOCAL
  75 #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN)               \
  76 do {                                                                    \
  77   fprintf ((FILE), "\t%s\t", ".lcomm");                                 \
  78   assemble_name ((FILE), (NAME));                                       \
  79   fprintf ((FILE), ",%u,%u\n", (SIZE), (ALIGN) / BITS_PER_UNIT);        \
  80 } while (0)
  81 #endif
  82
  83 /* Like block addresses, stabs line numbers are relative to the
  84    current function.  */
  85
  86 /* use .stabd instead of .stabn */
  87
  88 #define ASM_STABN_OP    ".stabd"
  89
  90 #undef  ASM_OUTPUT_SOURCE_LINE
  91 #define ASM_OUTPUT_SOURCE_LINE(file, line)                              \
  92 do                                                                      \
  93   {                                                                     \
  94     static int sym_lineno = 1;                                          \
  95     char *_p;                                                           \
  96     fprintf (file, "\t.stabd 68,0,%d,.LM%d-",                           \
  97              line, sym_lineno);                                         \
  98     STRIP_NAME_ENCODING (_p, XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0)); \
  99     assemble_name (file, _p);                                           \
 100     fprintf (file, "\n.LM%d:\n", sym_lineno);                           \
 101     sym_lineno += 1;                                                    \
 102   }                                                                     \
 103 while (0)
 104
 105 /* This is how to output an assembler line defining a `double' constant.  */
 106
 107 #undef  ASM_OUTPUT_DOUBLE
 108 #define ASM_OUTPUT_DOUBLE(FILE, VALUE)                                  \
 109   {                                                                     \
 110     if (REAL_VALUE_ISINF (VALUE)                                        \
 111         || REAL_VALUE_ISNAN (VALUE)                                     \
 112         || REAL_VALUE_MINUS_ZERO (VALUE))                               \
 113       {                                                                 \
 114         long t[2];                                                      \
 115         REAL_VALUE_TO_TARGET_DOUBLE ((VALUE), t);                       \
 116         fprintf (FILE, "\t.long 0x%lx\n\t.long 0x%lx\n",                \
 117                 t[0] & 0xffffffff, t[1] & 0xffffffff);                  \
 118       }                                                                 \
 119     else                                                                \
 120       {                                                                 \
 121         char str[30];                                                   \
 122         REAL_VALUE_TO_DECIMAL (VALUE, "%.20e", str);                    \
 123         fprintf (FILE, "\t.double %s\n", str);                          \
 124       }                                                                 \
 125   }
 126
 127 /* This is how to output an assembler line defining a `float' constant.  */
 128
 129 #undef  ASM_OUTPUT_FLOAT
 130 #define ASM_OUTPUT_FLOAT(FILE, VALUE)                                   \
 131   {                                                                     \
 132     if (REAL_VALUE_ISINF (VALUE)                                        \
 133         || REAL_VALUE_ISNAN (VALUE)                                     \
 134         || REAL_VALUE_MINUS_ZERO (VALUE))                               \
 135       {                                                                 \
 136         long t;                                                         \
 137         REAL_VALUE_TO_TARGET_SINGLE ((VALUE), t);                       \
 138         fprintf (FILE, "\t.long 0x%lx\n", t & 0xffffffff);              \
 139       }                                                                 \
 140     else                                                                \
 141       {                                                                 \
 142         char str[30];                                                   \
 143         REAL_VALUE_TO_DECIMAL ((VALUE), "%.20e", str);                  \
 144         fprintf (FILE, "\t.float %s\n", str);                           \
 145       }                                                                 \
 146   }
 147
 148 \f
 149 /* Sun-ppc assembler does not permit '.' in some symbol names.
 150    Use 'name_.labelno' instead. */
 151 #undef ASM_FORMAT_PRIVATE_NAME
 152 #define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO)  \
 153 ( (OUTPUT) = (char *) alloca (strlen ((NAME)) + 10),    \
 154   sprintf ((OUTPUT), "%s_.%d", (NAME), (LABELNO)))
 155
 156
 157 /* Define this macro as a C expression for the initializer of an
 158    array of string to tell the driver program which options are
 159    defaults for this target and thus do not need to be handled
 160    specially when using `MULTILIB_OPTIONS'.
 161
 162    Do not define this macro if `MULTILIB_OPTIONS' is not defined in
 163    the target makefile fragment or if none of the options listed in
 164    `MULTILIB_OPTIONS' are set by default.  *Note Target Fragment::.  */
 165
 166 #undef  MULTILIB_DEFAULTS
 167 #define MULTILIB_DEFAULTS { "mlittle", "mcall-solaris" }