2dc172e888
DBX_OUTPUT_MAIN_SOURCE_FILE_END): Define. (ASM_OUTPUT_SOURCE_LINE): Modify it to output function relative stabs. From-SVN: r8659
149 lines
4.5 KiB
C
149 lines
4.5 KiB
C
/* Definitions of target machine for GNU compiler, for SPARClite w/o FPU, COFF.
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Copyright (C) 1994 Free Software Foundation, Inc.
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Written by Ken Raeburn (raeburn@cygnus.com).
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include "sparc/lite.h"
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#undef ASM_OUTPUT_IDENT
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#undef SELECT_SECTION
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#undef SELECT_RTX_SECTION
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#define BSS_SECTION_ASM_OP ".section\t\".bss\""
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#include "svr3.h"
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#undef CPP_PREDEFINES
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#define CPP_PREDEFINES "-Dsparc -Dsparclite -Acpu(sparc) -Amachine(sparc)"
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/* just in case */
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#undef DBX_DEBUGGING_INFO
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#undef PREFERRED_DEBUGGING_TYPE
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#define DBX_DEBUGGING_INFO
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#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
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/* These are all necessary because this is how gdb expects gcc to output
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stabs in coff. */
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/* Be function-relative for block and source line stab directives. */
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#define DBX_BLOCKS_FUNCTION_RELATIVE 1
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/* but, to make this work, functions must appear prior to line info. */
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#define DBX_FUNCTION_FIRST
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/* Generate a blank trailing N_SO to mark the end of the .o file, since
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we can't depend upon the linker to mark .o file boundaries with
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embedded stabs. */
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#define DBX_OUTPUT_MAIN_SOURCE_FILE_END(FILE, FILENAME) \
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fprintf (FILE, \
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"\t.text\n\t.stabs \"\",%d,0,0,Letext\nLetext:\n", N_SO)
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/* This is copied from final.c and sparc.h. */
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#undef ASM_OUTPUT_SOURCE_LINE
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#define ASM_OUTPUT_SOURCE_LINE(FILE, LINE) \
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{ if (write_symbols == SDB_DEBUG) { \
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fprintf ((FILE), "\t.ln\t%d\n", \
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((sdb_begin_function_line > -1) \
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? (LINE) - sdb_begin_function_line : 1)); \
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} else if (write_symbols == DBX_DEBUG) { \
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static int sym_lineno = 1; \
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fprintf (FILE, ".stabn 68,0,%d,.LM%d-", \
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LINE, sym_lineno); \
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assemble_name (FILE, \
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XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0)); \
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fprintf (FILE, "\n.LM%d:\n", sym_lineno); \
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sym_lineno += 1; \
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} }
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/* Support the ctors and dtors sections for g++. */
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#undef INIT_SECTION_ASM_OP
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/* Support the ctors and dtors sections for g++. */
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#undef CTORS_SECTION_ASM_OP
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#define CTORS_SECTION_ASM_OP ".section\t.ctors,\"x\""
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#undef DTORS_SECTION_ASM_OP
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#define DTORS_SECTION_ASM_OP ".section\t.dtors,\"x\""
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/* A list of other sections which the compiler might be "in" at any
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given time. */
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#undef EXTRA_SECTIONS
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#define EXTRA_SECTIONS in_const, in_bss, in_ctors, in_dtors
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/* A list of extra section function definitions. */
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#undef EXTRA_SECTION_FUNCTIONS
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#define EXTRA_SECTION_FUNCTIONS \
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CONST_SECTION_FUNCTION \
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CTORS_SECTION_FUNCTION \
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DTORS_SECTION_FUNCTION
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#define CTORS_SECTION_FUNCTION \
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void \
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ctors_section () \
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{ \
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if (in_section != in_ctors) \
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{ \
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fprintf (asm_out_file, "%s\n", CTORS_SECTION_ASM_OP); \
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in_section = in_ctors; \
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} \
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}
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#define DTORS_SECTION_FUNCTION \
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void \
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dtors_section () \
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{ \
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if (in_section != in_dtors) \
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{ \
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fprintf (asm_out_file, "%s\n", DTORS_SECTION_ASM_OP); \
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in_section = in_dtors; \
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} \
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}
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#define INT_ASM_OP ".long"
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/* A C statement (sans semicolon) to output an element in the table of
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global constructors. */
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#undef ASM_OUTPUT_CONSTRUCTOR
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#define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME) \
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do { \
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ctors_section (); \
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fprintf (FILE, "\t%s\t ", INT_ASM_OP); \
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assemble_name (FILE, NAME); \
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fprintf (FILE, "\n"); \
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} while (0)
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/* A C statement (sans semicolon) to output an element in the table of
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global destructors. */
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#undef ASM_OUTPUT_DESTRUCTOR
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#define ASM_OUTPUT_DESTRUCTOR(FILE,NAME) \
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do { \
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dtors_section (); \
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fprintf (FILE, "\t%s\t ", INT_ASM_OP); \
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assemble_name (FILE, NAME); \
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fprintf (FILE, "\n"); \
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} while (0)
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#undef DO_GLOBAL_CTORS_BODY
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#undef DO_GLOBAL_DTORS_BODY
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