gcc/config/sparc/litecoff.h

   1 /* Definitions of target machine for GNU compiler, for SPARClite w/o FPU, COFF.
   2    Copyright (C) 1994 Free Software Foundation, Inc.
   3    Written by Ken Raeburn (raeburn@cygnus.com).
   4
   5 This file is part of GNU CC.
   6
   7 GNU CC is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2, or (at your option)
  10 any later version.
  11
  12 GNU CC is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GNU CC; see the file COPYING.  If not, write to
  19 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
  20
  21 #include "sparc/lite.h"
  22
  23 #undef ASM_OUTPUT_IDENT
  24
  25 /* This is copied from final.c and sparc.h.  */
  26 #undef ASM_OUTPUT_SOURCE_LINE
  27 #define ASM_OUTPUT_SOURCE_LINE(FILE, LINE)                      \
  28 { if (write_symbols == SDB_DEBUG) {                             \
  29     fprintf ((FILE), "\t.ln\t%d\n",                             \
  30              ((sdb_begin_function_line > -1)                    \
  31               ? (LINE) - sdb_begin_function_line : 1));         \
  32   } else if (write_symbols == DBX_DEBUG) {                      \
  33     static int sym_lineno = 1;                                  \
  34     fprintf ((FILE), ".stabn 68,0,%d,LM%d\nLM%d:\n",            \
  35              (LINE), sym_lineno, sym_lineno);                   \
  36     sym_lineno += 1;                                            \
  37   } }
  38
  39 #undef SELECT_SECTION
  40 #undef SELECT_RTX_SECTION
  41 #define BSS_SECTION_ASM_OP      ".section\t\".bss\""
  42
  43 #include "svr3.h"
  44
  45 #undef CPP_PREDEFINES
  46 #define CPP_PREDEFINES "-Dsparc -Dsparclite -Acpu(sparc) -Amachine(sparc)"
  47
  48 /* just in case */
  49 #undef DBX_DEBUGGING_INFO
  50 #undef PREFERRED_DEBUGGING_TYPE
  51 #define DBX_DEBUGGING_INFO
  52 #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
  53
  54 /* Support the ctors and dtors sections for g++.  */
  55
  56 #undef INIT_SECTION_ASM_OP
  57
  58 /* Support the ctors and dtors sections for g++.  */
  59
  60 #undef CTORS_SECTION_ASM_OP
  61 #define CTORS_SECTION_ASM_OP    ".section\t.ctors,\"x\""
  62 #undef DTORS_SECTION_ASM_OP
  63 #define DTORS_SECTION_ASM_OP    ".section\t.dtors,\"x\""
  64
  65 /* A list of other sections which the compiler might be "in" at any
  66    given time.  */
  67
  68 #undef EXTRA_SECTIONS
  69 #define EXTRA_SECTIONS in_const, in_bss, in_ctors, in_dtors
  70
  71 /* A list of extra section function definitions.  */
  72
  73 #undef EXTRA_SECTION_FUNCTIONS
  74 #define EXTRA_SECTION_FUNCTIONS                                         \
  75   CONST_SECTION_FUNCTION                                                \
  76   CTORS_SECTION_FUNCTION                                                \
  77   DTORS_SECTION_FUNCTION
  78
  79 #define CTORS_SECTION_FUNCTION                                          \
  80 void                                                                    \
  81 ctors_section ()                                                        \
  82 {                                                                       \
  83   if (in_section != in_ctors)                                           \
  84     {                                                                   \
  85       fprintf (asm_out_file, "%s\n", CTORS_SECTION_ASM_OP);             \
  86       in_section = in_ctors;                                            \
  87     }                                                                   \
  88 }
  89
  90 #define DTORS_SECTION_FUNCTION                                          \
  91 void                                                                    \
  92 dtors_section ()                                                        \
  93 {                                                                       \
  94   if (in_section != in_dtors)                                           \
  95     {                                                                   \
  96       fprintf (asm_out_file, "%s\n", DTORS_SECTION_ASM_OP);             \
  97       in_section = in_dtors;                                            \
  98     }                                                                   \
  99 }
 100
 101 #define INT_ASM_OP ".long"
 102
 103 /* A C statement (sans semicolon) to output an element in the table of
 104    global constructors.  */
 105 #undef ASM_OUTPUT_CONSTRUCTOR
 106 #define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME)                               \
 107   do {                                                                  \
 108     ctors_section ();                                                   \
 109     fprintf (FILE, "\t%s\t ", INT_ASM_OP);                              \
 110     assemble_name (FILE, NAME);                                         \
 111     fprintf (FILE, "\n");                                               \
 112   } while (0)
 113
 114 /* A C statement (sans semicolon) to output an element in the table of
 115    global destructors.  */
 116 #undef ASM_OUTPUT_DESTRUCTOR
 117 #define ASM_OUTPUT_DESTRUCTOR(FILE,NAME)                                \
 118   do {                                                                  \
 119     dtors_section ();                                                   \
 120     fprintf (FILE, "\t%s\t ", INT_ASM_OP);                              \
 121     assemble_name (FILE, NAME);                                         \
 122     fprintf (FILE, "\n");                                               \
 123   } while (0)
 124
 125 #undef DO_GLOBAL_CTORS_BODY
 126 #undef DO_GLOBAL_DTORS_BODY