source: trunk/libs/newlib/src/libgloss/m32c/genscript @ 546

Last change on this file since 546 was 444, checked in by satin@…, 6 years ago

add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc

File size: 2.7 KB
Line 
1#!/bin/sh
2
3# Copyright (c) 2005 Red Hat Incorporated.
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions are met:
8#
9#     Redistributions of source code must retain the above copyright
10#     notice, this list of conditions and the following disclaimer.
11#
12#     Redistributions in binary form must reproduce the above copyright
13#     notice, this list of conditions and the following disclaimer in the
14#     documentation and/or other materials provided with the distribution.
15#
16#     The name of Red Hat Incorporated may not be used to endorse
17#     or promote products derived from this software without specific
18#     prior written permission.
19#
20# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
23# DISCLAIMED.  IN NO EVENT SHALL RED HAT INCORPORATED BE LIABLE FOR ANY
24# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
25# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
26# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
27# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
29# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30
31srcdir="$1"
32name="$2"
33ramstart="$3"
34ramsize="$4"
35romstart="$5"
36romsize="$6"
37vecprefix="$7"
38
39sedcmd="s/RAMSTART/$ramstart/g; s/RAMSIZE/$ramsize/g"
40sedcmd="$sedcmd; s/ROMSTART/$romstart/g; s/ROMSIZE/$romsize/g"
41
42# .rodata can be left with .text
43rotext='/IF_ROCOPY/d'
44# .rodata needs to be with .data
45rodata='/IF_ROROM/d'
46
47# All sections are put in one region
48simram='s/LOWROM/RAM/g; s/= .*SIZEOF.*/= 0);/; s/AT>ROM//g'
49oneram='s/> ROM/> RAM/g;'
50# RW data needs to be copied to RAM
51rwonly='s/LOWROM/ROM/g; s/ SIZEOF(.rodata) + //g'
52# all data needs to be copied to RAM
53rocopy='s/LOWROM/RAM AT>ROM/g'
54
55case $name:$romstart in
56  sim*:0 )
57    # The r8c and m32c simulators have only a single memory region
58    sedcmd="$sedcmd; $simram; $oneram; $rotext"
59    ;;
60  sim*:* )
61    # This is most likely the m16c simulator
62    sedcmd="$sedcmd; $simram; $rodata"
63    ;;
64  *:0x???? )
65    # This is most likely the r8c chip
66    sedcmd="$sedcmd; $rwonly; $rotext"
67    ;;
68  m32*:* )
69    sedcmd="$sedcmd; $rwonly; $rotext"
70    ;;
71  *:* )
72    sedcmd="$sedcmd; $rocopy; $rodata"
73    ;;
74esac
75sedcmd="$sedcmd; /ORIGIN = 0,/d"
76
77sedcmd="$sedcmd; s/VECSTART/${vecprefix}dc/; s/RESETSTART/${vecprefix}fc/"
78
79sed "$sedcmd" < ${srcdir}/m32c.tmpl > ${name}.ld
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