114 lines
4.7 KiB
C
114 lines
4.7 KiB
C
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#ifndef CYGONCE_PKGCONF_INFRA_H
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# define CYGONCE_PKGCONF_INFRA_H
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//======================================================================
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//
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// infra.h
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//
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// Host side implementation of the infrastructure configuration
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// header.
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//
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//======================================================================
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// ####ECOSHOSTGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// This file is part of the eCos host tools.
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// Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
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//
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// This program 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) any
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// later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the
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// Free Software Foundation, Inc., 51 Franklin Street,
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// Fifth Floor, Boston, MA 02110-1301, USA.
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// -------------------------------------------
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// ####ECOSHOSTGPLCOPYRIGHTEND####
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//======================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s): bartv
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// Contact(s): bartv
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// Date: 1998/07/13
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// Version: 0.01
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//
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//####DESCRIPTIONEND####
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//======================================================================
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// The purpose of this header file is to replicate appropriate
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// functionality from the target-side header file <pkgconf/infra.h>.
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// This header file is intended to contain configuration options
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// related to the implementation of the infrastructure, as opposed
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// to how that infrastructure gets used by other packages. A good
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// example would be a configuration option to control the size
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// of the circular trace buffer.
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//
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// On the host side these things are handled by autoconf, and in
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// particular the configure.in script will offer command-line
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// arguments allowing the relevant options to be controlled.
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// The relevant information will end up in <cyg/pkgconf/hostinfra.h>
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# include <pkgconf/hostinfra.h>
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// Some options should always be enabled in this header file.
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#define CYGDBG_INFRA_DIAG_PRINTF_USE_VARARG
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#define CYGDBG_INFRA_DEBUG_ASSERT_MESSAGE
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#define CYGDBG_INFRA_DEBUG_TRACE_MESSAGE
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// Other options should be decided on a package by package basis,
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// e.g. whether or not assertions are used. On the host side it is
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// not appropriate to control these globally, instead the infrastructure
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// always provides the necessary functionality and it is up to the
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// other parts of the system to decide whether or not the facilities
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// get used.
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// A third set of options deal with the environment, e.g. the sizes
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// of various data types. autoconf macros take care of most of the
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// work, but some translation is needed into eCos-style names to
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// avoid namespace pollution.
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// Process the definitions of SIZEOF_INT_P and SIZEOF_LONG to work
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// out a sensible data type for CYG_ADDRESS and CYG_ADDRWORD.
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#if (!defined(SIZEOF_INT_P) || !defined(SIZEOF_LONG))
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# error "Configure problem: data type sizes not set"
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#endif
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#if (SIZEOF_INT_P == 4)
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// The default, nothing needs to be done
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#elif (SIZEOF_INT_P == 8)
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# define cyg_haladdress cyg_halint64
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#else
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# error "Only 32 and 64 bit pointers are supported"
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#endif
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#if ((SIZEOF_INT_P == 4) && (SIZEOF_LONG == 4))
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// The default, nothing needs to be done
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#elif ((SIZEOF_INT_P <= 8) && (SIZEOF_LONG <= 8))
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// cyg_halint64 will have been defined appropriately.
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# define cyg_haladdrword cyg_halint64
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#else
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# error "Only 32 and 64 bit machine word sizes are supported"
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#endif
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// Any symbols defined in <pkgconf/hostconf.h> which have been processed
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// here should no longer be of any interest, and in the interests of
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// reducing name space pollution they get undef'ed here.
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// In addition there are two #define's in the config.h header file
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// which are always present and which have names that are rather too
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// generic. These get removed here as well. The version is worth
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// preserving under a different name.
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#undef SIZEOF_INT_P
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#undef SIZEOF_LONG
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#undef PACKAGE
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#undef VERSION
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#endif // CYGONCE_PKGCONF_INFRA_H
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// End of infra.h
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