gnu.h

GUN开源阻止下的编译器GCC

/* Definitions of target machine for GNU compiler.  MIPS GNU Hurd version.
   Copyright (C) 1995 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.  */

#include <mips/mips.h>

#undef SWITCH_TAKES_ARG
#undef ASM_FILE_END
#undef ASM_OUTPUT_IDENT
#undef ASM_OUTPUT_SOURCE_LINE
#undef READONLY_DATA_SECTION
#undef SELECT_SECTION
#undef ASM_DECLARE_FUNCTION_NAME
#undef ASM_DECLARE_OBJECT_NAME
/* #undef PREFERRED_DEBUGGING_TYPE */

#include <svr4.h>

#undef MD_EXEC_PREFIX
#undef MD_STARTFILE_PREFIX
#undef TARGET_VERSION
#define TARGET_VERSION fprintf (stderr, " (MIPS GNU/ELF)");

/* Output at beginning of assembler file.  */
/* The .file command should always begin the output.  */
#undef ASM_FILE_START
#define ASM_FILE_START(FILE)						\
  do {									\
	mips_asm_file_start (FILE);					\
	fprintf (FILE, "\t.version\t\"01.01\"\n");			\
  } while (0)

#undef ASM_FILE_END
#define ASM_FILE_END(FILE)						\
  do {				 					\
	mips_asm_file_end(FILE);					\
	fprintf ((FILE), "\t%s\t\"GCC: (GNU) %s\"\n",			\
		IDENT_ASM_OP, version_string);				\
  } while (0)

#undef ASM_OUTPUT_SOURCE_LINE
#define ASM_OUTPUT_SOURCE_LINE(FILE, LINE)				\
  do {									\
      ++sym_lineno;							\
      fprintf ((FILE), ".LM%d:\n\t%s %d,0,%d,.LM%d\n",			\
	       sym_lineno, ASM_STABN_OP, N_SLINE, (LINE), sym_lineno);	\
  } while (0)

#undef ASM_DECLARE_FUNCTION_NAME
#define ASM_DECLARE_FUNCTION_NAME(STREAM, NAME, DECL)			\
  do {									\
    extern FILE *asm_out_text_file;					\
									\
    if (TARGET_GP_OPT)							\
      STREAM = asm_out_text_file;					\
    fprintf (STREAM, "\t%s\t ", TYPE_ASM_OP);				\
    assemble_name (STREAM, NAME);					\
    putc (',', STREAM);							\
    fprintf (STREAM, TYPE_OPERAND_FMT, "function");			\
    putc ('\n', STREAM);						\
    ASM_DECLARE_RESULT (STREAM, DECL_RESULT (DECL));			\
    HALF_PIC_DECLARE (NAME);						\
  } while (0)

/* Switch  Recognition by gcc.c.  Add -G xx support */
#undef SWITCH_TAKES_ARG
#define SWITCH_TAKES_ARG(CHAR)						\
  ((CHAR) == 'D' || (CHAR) == 'U' || (CHAR) == 'o'			\
   || (CHAR) == 'e' || (CHAR) == 'T' || (CHAR) == 'u'			\
   || (CHAR) == 'I' || (CHAR) == 'm'					\
   || (CHAR) == 'h' || (CHAR) == 'z'					\
   || (CHAR) == 'L' || (CHAR) == 'A' || (CHAR) == 'G')

#undef DEFAULT_PCC_STRUCT_RETURN
#define DEFAULT_PCC_STRUCT_RETURN 1

#undef DBX_REGISTER_NUMBER
#define DBX_REGISTER_NUMBER(REGNO) mips_dbx_regno[ (REGNO) ]

#define MIPS_GNU

#undef CPP_PREDEFINES
#define CPP_PREDEFINES GNU_CPP_PREDEFINES("mips") \
"-DMIPSEB -DR3000 -D_MIPSEB -D_R3000 \
-D_MIPS_SZINT=32 -D_MIPS_SZLONG=32 -D_MIPS_SZPTR=32"

#undef ASM_SPEC
#define ASM_SPEC "\
%{mmips-as: \
	%{!.s:-nocpp} %{.s: %{cpp} %{nocpp}} \
	%{pipe: %e-pipe is not supported.} \
	%{K}} \
%{!mmips-as: \
	%{mcpu=*}} \
%{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} %{v} \
%{noasmopt:-O0} \
%{!noasmopt:%{O:-O2} %{O1:-O2} %{O2:-O2} %{O3:-O3}} \
%{g} %{g0} %{g1} %{g2} %{g3} \
%{ggdb:-g} %{ggdb0:-g0} %{ggdb1:-g1} %{ggdb2:-g2} %{ggdb3:-g3} \
%{gstabs:-g} %{gstabs0:-g0} %{gstabs1:-g1} %{gstabs2:-g2} %{gstabs3:-g3} \
%{gstabs+:-g} %{gstabs+0:-g0} %{gstabs+1:-g1} %{gstabs+2:-g2} %{gstabs+3:-g3} \
%{gcoff:-g} %{gcoff0:-g0} %{gcoff1:-g1} %{gcoff2:-g2} %{gcoff3:-g3} \
%{membedded-pic}"

#undef LINK_SPEC
#define LINK_SPEC "\
%{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} \
%{bestGnum} %{shared} %{non_shared} \
%{call_shared} %{no_archive} %{exact_version} \
%{!shared: %{!non_shared: %{!call_shared: -non_shared}}} \
-systype /gnu/ "
		    
#undef LIB_SPEC
#define LIB_SPEC "%{p:-lprof1} %{pg:-lprof1} -lc crtn.o%s"

#undef STARTFILE_SPEC
#define STARTFILE_SPEC  "%{pg:gcrt0.o%s} %{!pg:%{p:gcrt0.o%s} %{!p:crt0.o%s}} %{static:-static}"

#undef MACHINE_TYPE
#define MACHINE_TYPE "GNU MIPS/ELF"

#undef YES_UNDERSCORE

#undef SDB_DEBUGGING_INFO
#undef DBX_DEBUGGING_INFO
#undef MIPS_DEBUGGING_INFO
#define DWARF_DEBUGGING_INFO

#define NO_MIPS_SELECT_SECTION

/* Get machine-independent configuration parameters for the GNU system.  */
#include <gnu.h>