Initial revision

From-SVN: r7930

gcc/config/m68k/m68k-coff.h

+/* Definitions of target machine for GNU compiler.
+   m68k series COFF object files and debugging, version.
+   Copyright (C) 1987, 1988, 1991, 1994 Free Software Foundation, Inc.
+
+This file is part of GNU CC.
+
+GNU CC 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,
+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, 675 Mass Ave, Cambridge, MA 02139, 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
+
+/* Output DBX (stabs) debugging information if using -gstabs.  */
+
+#define DBX_DEBUGGING_INFO
+
+#undef PREFERRED_DEBUGGING_TYPE
+#define PREFERRED_DEBUGGING_TYPE SDB_DEBUG
+
+/* COFF symbols don't start with an underscore.  */
+
+#undef USER_LABEL_PREFIX
+#define USER_LABEL_PREFIX ""
+
+/* Use a prefix for local labels, just to be on the save side.  */
+
+#undef LOCAL_LABEL_PREFIX
+#define LOCAL_LABEL_PREFIX "."
+
+/* Use a register prefix to avoid clashes with external symbols (classic
+   example: `extern char PC;' in termcap).  */
+
+#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");						\
+  } 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)
+
+/* Don't assume anything about startfiles.  */
+
+#define STARTFILE_SPEC ""