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96 lines
3.2 KiB
C
96 lines
3.2 KiB
C
/* Definitions of target machine for GNU compiler. MIPS R4000 version with
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GOFAST floating point library.
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Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc.
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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, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#define OBJECT_FORMAT_ELF
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/* Default to -mips3. */
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#define TARGET_DEFAULT MASK_FLOAT64|MASK_64BIT
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#define MIPS_ISA_DEFAULT 3
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#ifndef MULTILIB_DEFAULTS
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#ifndef TARGET_ENDIAN_DEFAULT
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#define MULTILIB_DEFAULTS { "EB", "mips3" }
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#else
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#define MULTILIB_DEFAULTS { "EL", "mips3" }
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#endif
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#endif
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/* Until we figure out what MIPS ELF targets normally use, just do
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stabs in ELF. */
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#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
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#include "mips/mips.h"
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#undef CPP_PREDEFINES
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#define CPP_PREDEFINES "-Dmips -DMIPSEB -DR4000 -D_mips -D_MIPSEB -D_R4000"
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/* I would rather put this in CPP_PREDEFINES, but the gcc driver
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doesn't handle -U options in CPP_PREDEFINES. */
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#undef SUBTARGET_CPP_SPEC
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#define SUBTARGET_CPP_SPEC "\
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%{!mips1:%{!mips2:-U__mips -D__mips=3 -D__mips64}}"
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/* Use memcpy, et. al., rather than bcopy. */
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#define TARGET_MEM_FUNCTIONS
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/* US Software GOFAST library support. */
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#include "gofast.h"
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#define INIT_TARGET_OPTABS INIT_GOFAST_OPTABS
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/* Biggest alignment supported by the object file format of this
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machine. Use this macro to limit the alignment which can be
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specified using the `__attribute__ ((aligned (N)))' construct. If
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not defined, the default value is `BIGGEST_ALIGNMENT'. */
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#define MAX_OFILE_ALIGNMENT (32768*8)
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/* We need to use .esize and .etype instead of .size and .type to
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avoid conflicting with ELF directives. */
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#undef PUT_SDB_SIZE
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#define PUT_SDB_SIZE(a) \
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do { \
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extern FILE *asm_out_text_file; \
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fprintf (asm_out_text_file, "\t.esize\t%d;", (a)); \
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} while (0)
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#undef PUT_SDB_TYPE
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#define PUT_SDB_TYPE(a) \
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do { \
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extern FILE *asm_out_text_file; \
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fprintf (asm_out_text_file, "\t.etype\t0x%x;", (a)); \
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} while (0)
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/* A C statement to output something to the assembler file to switch to section
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NAME for object DECL which is either a FUNCTION_DECL, a VAR_DECL or
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NULL_TREE. Some target formats do not support arbitrary sections. Do not
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define this macro in such cases. */
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#define ASM_OUTPUT_SECTION_NAME(F, DECL, NAME, RELOC) \
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do { \
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extern FILE *asm_out_text_file; \
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if ((DECL) && TREE_CODE (DECL) == FUNCTION_DECL) \
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fprintf (asm_out_text_file, "\t.section %s,\"ax\",@progbits\n", (NAME)); \
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else if ((DECL) && DECL_READONLY_SECTION (DECL, RELOC)) \
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fprintf (F, "\t.section %s,\"a\",@progbits\n", (NAME)); \
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else \
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fprintf (F, "\t.section %s,\"aw\",@progbits\n", (NAME)); \
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} while (0)
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