/* Definitions of target machine for GNU compiler, for SPARClite w/o FPU, COFF.
- Copyright (C) 1994 Free Software Foundation, Inc.
+ Copyright (C) 1994, 1996, 2000 Free Software Foundation, Inc.
Written by Ken Raeburn (raeburn@cygnus.com).
This file is part of GNU CC.
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. */
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
-#include "sparc/lite.h"
-
-#undef ASM_OUTPUT_IDENT
-
-#undef SELECT_SECTION
-#undef SELECT_RTX_SECTION
-#define BSS_SECTION_ASM_OP ".section\t\".bss\""
-
-#include "svr3.h"
+#define BSS_SECTION_ASM_OP "\t.section\t\".bss\""
#undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-Dsparc -Dsparclite -Acpu(sparc) -Amachine(sparc)"
-
-/* just in case */
-#undef DBX_DEBUGGING_INFO
-#undef PREFERRED_DEBUGGING_TYPE
-#define DBX_DEBUGGING_INFO
-#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
-
-/* These are all necessary because this is how gdb expects gcc to output
- stabs in coff. */
-
-/* Be function-relative for block and source line stab directives. */
+#define CPP_PREDEFINES "-Dsparc -Dsparclite -Acpu=sparc -Amachine=sparc"
-#define DBX_BLOCKS_FUNCTION_RELATIVE 1
+/* Default to stabs in COFF. */
-/* but, to make this work, functions must appear prior to line info. */
-
-#define DBX_FUNCTION_FIRST
-
-/* Generate a blank trailing N_SO to mark the end of the .o file, since
- we can't depend upon the linker to mark .o file boundaries with
- embedded stabs. */
-
-#define DBX_OUTPUT_MAIN_SOURCE_FILE_END(FILE, FILENAME) \
- fprintf (FILE, \
- "\t.text\n\t.stabs \"\",%d,0,0,Letext\nLetext:\n", N_SO)
-
-/* This is copied from final.c and sparc.h. */
-#undef ASM_OUTPUT_SOURCE_LINE
-#define ASM_OUTPUT_SOURCE_LINE(FILE, LINE) \
-{ if (write_symbols == SDB_DEBUG) { \
- fprintf ((FILE), "\t.ln\t%d\n", \
- ((sdb_begin_function_line > -1) \
- ? (LINE) - sdb_begin_function_line : 1)); \
- } else if (write_symbols == DBX_DEBUG) { \
- static int sym_lineno = 1; \
- fprintf (FILE, ".stabn 68,0,%d,.LM%d-", \
- LINE, sym_lineno); \
- assemble_name (FILE, \
- XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0)); \
- fprintf (FILE, "\n.LM%d:\n", sym_lineno); \
- sym_lineno += 1; \
- } }
+#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
/* Support the ctors and dtors sections for g++. */
#undef INIT_SECTION_ASM_OP
-/* Support the ctors and dtors sections for g++. */
-
-#undef CTORS_SECTION_ASM_OP
-#define CTORS_SECTION_ASM_OP ".section\t.ctors,\"x\""
-#undef DTORS_SECTION_ASM_OP
-#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_const, in_bss, in_ctors, in_dtors
+#define EXTRA_SECTIONS in_const
/* A list of extra section function definitions. */
#undef EXTRA_SECTION_FUNCTIONS
#define EXTRA_SECTION_FUNCTIONS \
- CONST_SECTION_FUNCTION \
- 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. */
-#undef ASM_OUTPUT_CONSTRUCTOR
-#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. */
-#undef ASM_OUTPUT_DESTRUCTOR
-#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)
+ CONST_SECTION_FUNCTION
#undef DO_GLOBAL_CTORS_BODY
#undef DO_GLOBAL_DTORS_BODY
+
+/* These compiler options take an argument. We ignore -target for now. */
+
+#define WORD_SWITCH_TAKES_ARG(STR) \
+ (DEFAULT_WORD_SWITCH_TAKES_ARG (STR) \
+ || !strcmp (STR, "target") || !strcmp (STR, "assert"))
+
+/* Output the label for a function definition. */
+
+#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
+do { \
+ ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL)); \
+ ASM_OUTPUT_LABEL (FILE, NAME); \
+} while (0)
+
+/* Output before read-only data. */
+
+#define TEXT_SECTION_ASM_OP "\t.text"
+
+/* Output before writable data. */
+
+#define DATA_SECTION_ASM_OP "\t.data"
+
+/* How to renumber registers for dbx and gdb. In the flat model, the frame
+ pointer is really %i7. */
+
+#define DBX_REGISTER_NUMBER(REGNO) \
+ (TARGET_FLAT && (REGNO) == HARD_FRAME_POINTER_REGNUM ? 31 : REGNO)
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