80 lines
2.7 KiB
Plaintext
80 lines
2.7 KiB
Plaintext
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#!/bin/sh
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# Copyright (c) 2005 Red Hat Incorporated.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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#
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# Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# The name of Red Hat Incorporated may not be used to endorse
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# or promote products derived from this software without specific
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# prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL RED HAT INCORPORATED BE LIABLE FOR ANY
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# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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srcdir="$1"
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name="$2"
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ramstart="$3"
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ramsize="$4"
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romstart="$5"
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romsize="$6"
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vecprefix="$7"
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sedcmd="s/RAMSTART/$ramstart/g; s/RAMSIZE/$ramsize/g"
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sedcmd="$sedcmd; s/ROMSTART/$romstart/g; s/ROMSIZE/$romsize/g"
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# .rodata can be left with .text
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rotext='/IF_ROCOPY/d'
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# .rodata needs to be with .data
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rodata='/IF_ROROM/d'
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# All sections are put in one region
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simram='s/LOWROM/RAM/g; s/= .*SIZEOF.*/= 0);/; s/AT>ROM//g'
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oneram='s/> ROM/> RAM/g;'
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# RW data needs to be copied to RAM
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rwonly='s/LOWROM/ROM/g; s/ SIZEOF(.rodata) + //g'
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# all data needs to be copied to RAM
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rocopy='s/LOWROM/RAM AT>ROM/g'
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case $name:$romstart in
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sim*:0 )
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# The r8c and m32c simulators have only a single memory region
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sedcmd="$sedcmd; $simram; $oneram; $rotext"
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;;
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sim*:* )
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# This is most likely the m16c simulator
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sedcmd="$sedcmd; $simram; $rodata"
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;;
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*:0x???? )
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# This is most likely the r8c chip
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sedcmd="$sedcmd; $rwonly; $rotext"
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;;
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m32*:* )
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sedcmd="$sedcmd; $rwonly; $rotext"
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;;
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*:* )
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sedcmd="$sedcmd; $rocopy; $rodata"
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;;
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esac
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sedcmd="$sedcmd; /ORIGIN = 0,/d"
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sedcmd="$sedcmd; s/VECSTART/${vecprefix}dc/; s/RESETSTART/${vecprefix}fc/"
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sed "$sedcmd" < ${srcdir}/m32c.tmpl > ${name}.ld
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