Commit 75ec9234 by Doug Evans

Usage change.

Usage change.  Now is top level target description for bare m68k
boards using coff format.

From-SVN: r8495
parent 29d72c4b
/* 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.
/* Definitions of target machine for GNU compiler. "naked" 68020,
COFF object files and debugging, version.
Copyright (C) 1994 Free Software Foundation, Inc.
This file is part of GNU CC.
......@@ -18,133 +18,10 @@ 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. */
#define MOTOROLA /* Use Motorola syntax rather than MIT. */
/* Generate sdb debugging information. */
#include "m68k/m68k-none.h"
#include "m68k/m68kemb.h"
#include "m68k/coff.h"
#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 ""
/* end of m68k-coff.h */
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