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- /* Definitions of target machine for GNU compiler, for SPARClite w/o FPU, COFF.
- Copyright (C) 1994 Free Software Foundation, Inc.
- Written by Ken Raeburn (raeburn@cygnus.com).
-
- 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. */
-
- #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"
-
- #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 DBX_BLOCKS_FUNCTION_RELATIVE 1
-
- /* 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; \
- } }
-
- /* 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
-
- /* 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)
-
- #undef DO_GLOBAL_CTORS_BODY
- #undef DO_GLOBAL_DTORS_BODY
-