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gcc/
[pf3gnuchains/gcc-fork.git] / gcc / config / m68k / coff.h
index b2fc343..14090cd 100644 (file)
@@ -1,38 +1,34 @@
 /* Definitions of target machine for GNU compiler.
    m68k series COFF object files and debugging, version.
-   Copyright (C) 1994 Free Software Foundation, Inc.
+   Copyright (C) 1994, 1996, 1997, 2000, 2002, 2003, 2004 Free Software Foundation, Inc.
 
-This file is part of GNU CC.
+This file is part of GCC.
 
-GNU CC is free software; you can redistribute it and/or modify
+GCC is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 2, or (at your option)
 any later version.
 
-GNU CC is distributed in the hope that it will be useful,
+GCC is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
+along with GCC; see the file COPYING.  If not, write to
+the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA.  */
 
 /* This file is included after m68k.h by CPU COFF specific files.  It
    is not a complete target itself.  */
 
-/* Generate sdb debugging information.  */
-
-#undef DBX_DEBUGGING_INFO
-#define SDB_DEBUGGING_INFO
+/* Used in m68k.c to include required support code.  */
 
-/* Output DBX (stabs) debugging information if using -gstabs.  */
+#define M68K_TARGET_COFF 1
 
-#define DBX_DEBUGGING_INFO
+/* Generate sdb debugging information.  */
 
-#undef PREFERRED_DEBUGGING_TYPE
-#define PREFERRED_DEBUGGING_TYPE SDB_DEBUG
+#define SDB_DEBUGGING_INFO 1
 
 /* COFF symbols don't start with an underscore.  */
 
@@ -50,102 +46,43 @@ Boston, MA 02111-1307, USA.  */
 #undef REGISTER_PREFIX
 #define REGISTER_PREFIX "%"
 
-/* In the machine description we can't use %R, because it will not be seen
-   by ASM_FPRINTF.  (Isn't that a design bug?).  */
-
-#undef REGISTER_PREFIX_MD
-#define REGISTER_PREFIX_MD "%%"
-
 /* config/m68k.md has an explicit reference to the program counter,
    prefix this by the register prefix.  */
 
-#define ASM_RETURN_CASE_JUMP    return "jmp %%pc@(2,%0:w)"
-
-/* Here are the new register names.  */
-
-#undef REGISTER_NAMES
-#ifndef SUPPORT_SUN_FPA
-#define REGISTER_NAMES \
-{"%d0", "%d1", "%d2", "%d3", "%d4", "%d5", "%d6", "%d7",       \
- "%a0", "%a1", "%a2", "%a3", "%a4", "%a5", "%a6", "%sp",       \
- "%fp0", "%fp1", "%fp2", "%fp3", "%fp4", "%fp5", "%fp6", "%fp7" }
-#else /* SUPPORTED_SUN_FPA */
-#define REGISTER_NAMES \
-{"%d0", "%d1", "%d2", "%d3", "%d4", "%d5", "%d6", "%d7",       \
- "%a0", "%a1", "%a2", "%a3", "%a4", "%a5", "%a6", "%sp",       \
- "%fp0", "%fp1", "%fp2", "%fp3", "%fp4", "%fp5", "%fp6", "%fp7", \
- "%fpa0", "%fpa1", "%fpa2", "%fpa3", "%fpa4", "%fpa5", "%fpa6", "%fpa7", \
- "%fpa8", "%fpa9", "%fpa10", "%fpa11", "%fpa12", "%fpa13", "%fpa14", "%fpa15", \
- "%fpa16", "%fpa17", "%fpa18", "%fpa19", "%fpa20", "%fpa21", "%fpa22", "%fpa23", \
- "%fpa24", "%fpa25", "%fpa26", "%fpa27", "%fpa28", "%fpa29", "%fpa30", "%fpa31" }
-#endif /* defined SUPPORT_SUN_FPA */
-
-#undef ASM_FILE_START
-#define ASM_FILE_START(FILE) \
-  output_file_directive ((FILE), main_input_filename)
-
-/* Support the ctors and dtors sections for g++.  */
-
-#define CTORS_SECTION_ASM_OP   ".section\t.ctors,\"x\""
-#define DTORS_SECTION_ASM_OP   ".section\t.dtors,\"x\""
-
-/* A list of other sections which the compiler might be "in" at any
-   given time.  */
-
-#undef EXTRA_SECTIONS
-#define EXTRA_SECTIONS in_ctors, in_dtors
-
-/* A list of extra section function definitions.  */
-
-#undef EXTRA_SECTION_FUNCTIONS
-#define EXTRA_SECTION_FUNCTIONS                                                \
-  CTORS_SECTION_FUNCTION                                               \
-  DTORS_SECTION_FUNCTION
-
-#define CTORS_SECTION_FUNCTION                                         \
-void                                                                   \
-ctors_section ()                                                       \
-{                                                                      \
-  if (in_section != in_ctors)                                          \
-    {                                                                  \
-      fprintf (asm_out_file, "%s\n", CTORS_SECTION_ASM_OP);            \
-      in_section = in_ctors;                                           \
-    }                                                                  \
-}
-
-#define DTORS_SECTION_FUNCTION                                         \
-void                                                                   \
-dtors_section ()                                                       \
-{                                                                      \
-  if (in_section != in_dtors)                                          \
-    {                                                                  \
-      fprintf (asm_out_file, "%s\n", DTORS_SECTION_ASM_OP);            \
-      in_section = in_dtors;                                           \
-    }                                                                  \
-}
-
-#define INT_ASM_OP ".long"
-
-/* A C statement (sans semicolon) to output an element in the table of
-   global constructors.  */
-#define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME)                              \
-  do {                                                                 \
-    ctors_section ();                                                  \
-    fprintf (FILE, "\t%s\t ", INT_ASM_OP);                             \
-    assemble_name (FILE, NAME);                                                \
-    fprintf (FILE, "\n");                                              \
+#define ASM_RETURN_CASE_JUMP                           \
+  do {                                                 \
+    if (TARGET_COLDFIRE)                               \
+      {                                                        \
+       if (ADDRESS_REG_P (operands[0]))                \
+         return "jmp %%pc@(2,%0:l)";                   \
+       else                                            \
+         return "ext%.l %0\n\tjmp %%pc@(2,%0:l)";      \
+      }                                                        \
+    else                                               \
+      return "jmp %%pc@(2,%0:w)";                      \
   } while (0)
 
-/* A C statement (sans semicolon) to output an element in the table of
-   global destructors.  */
-#define ASM_OUTPUT_DESTRUCTOR(FILE,NAME)                                       \
-  do {                                                                 \
-    dtors_section ();                                                  \
-    fprintf (FILE, "\t%s\t ", INT_ASM_OP);                             \
-    assemble_name (FILE, NAME);                                        \
-    fprintf (FILE, "\n");                                              \
-  } while (0)
+#define TARGET_ASM_FILE_START_FILE_DIRECTIVE true
+
+/* If defined, a C expression whose value is a string containing the
+   assembler operation to identify the following data as uninitialized global
+   data.  */
+
+#define BSS_SECTION_ASM_OP     "\t.section\t.bss"
+
+/* A C statement (sans semicolon) to output to the stdio stream
+   FILE the assembler definition of uninitialized global DECL named
+   NAME whose size is SIZE bytes and alignment is ALIGN bytes.
+   Try to use asm_output_aligned_bss to implement this macro.  */
+
+#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
+  asm_output_aligned_bss ((FILE), (DECL), (NAME), (SIZE), (ALIGN))
+
+/* Switch into a generic section.  */
+#undef TARGET_ASM_NAMED_SECTION
+#define TARGET_ASM_NAMED_SECTION  m68k_coff_asm_named_section
 
 /* Don't assume anything about startfiles.  */
 
+#undef STARTFILE_SPEC
 #define STARTFILE_SPEC ""