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78 lines
2.3 KiB
C
78 lines
2.3 KiB
C
/* Definitions for Motorola m68k running Linux-based GNU systems.
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Copyright (C) 1995, 1996, 1997 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 1, 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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#include <m68k/m68k.h>
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#include <linux-aout.h>
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/* 68020 with 68881 */
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#define TARGET_DEFAULT (MASK_BITFIELD|MASK_68881|MASK_68020)
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#define DBX_DEBUGGING_INFO
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#define ASM_COMMENT_START "|"
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#define CPP_PREDEFINES \
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"-Dunix -Dmc68000 -Dmc68020 -Dlinux -Asystem(unix) -Asystem(posix) -Acpu(m68k) -Amachine(m68k)"
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#undef CPP_SPEC
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#if TARGET_DEFAULT & MASK_68881
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#define CPP_SPEC \
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"%{!msoft-float:-D__HAVE_68881__} %{posix:-D_POSIX_SOURCE}"
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#else
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#define CPP_SPEC \
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"%{m68881:-D__HAVE_68881__} %{posix:-D_POSIX_SOURCE}"
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#endif
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#undef SUBTARGET_SWITCHES
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#define SUBTARGET_SWITCHES {"ieee-fp", 0},
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#undef ASM_SPEC
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#define ASM_SPEC \
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"%{m68030} %{m68040} %{fpic:-k} %{fPIC:-k}"
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#undef LIB_SPEC
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#if 1
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/* We no longer link with libc_p.a or libg.a by default. If you want
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to profile or debug the GNU/Linux C library, please add -lc_p or -ggdb
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to LDFLAGS at the link time, respectively. */
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#define LIB_SPEC \
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"%{mieee-fp:-lieee} %{p:-lgmon} %{pg:-lgmon} %{!ggdb:-lc} %{ggdb:-lg}"
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#else
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#define LIB_SPEC \
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"%{mieee-fp:-lieee} %{p:-lgmon -lc_p} %{pg:-lgmon -lc_p} %{!p:%{!pg:%{!g*:-lc} %{g*:-lg}}}"
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#endif
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/* We want to pass -v to linker */
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#undef LINK_SPEC
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#define LINK_SPEC "-m m68klinux %{v:-dll-verbose}"
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#define SIZE_TYPE "unsigned int"
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#define PTRDIFF_TYPE "int"
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/* Generate calls to memcpy, memcmp and memset. */
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#define TARGET_MEM_FUNCTIONS
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/* Don't default to pcc-struct-return, because gcc is the only compiler. */
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#undef PCC_STATIC_STRUCT_RETURN
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#define DEFAULT_PCC_STRUCT_RETURN 0
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/* Allow folding division by zero. */
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#define REAL_INFINITY
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