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- /* Definitions of target machine for GNU compiler.
- m68k series COFF object files and debugging, version.
- Copyright (C) 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, 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, 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 ""
-