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view extra/ld @ 264:346966cffeef
Clean up various warnings when building under -Wall
Add some gimmicks to prevent fread() and fwrite() warnings about ignoring
the return value. Yes, this is probably not a good thing to do, but doing
something with a non-success return value is going to involve crashing out
or something anyway.
Also fix several warnings about variables used while possibly uninitialized.
The code flow shows that this cannot be the case but initializing them to a
plausible value at declaration time costs pretty much nothing and it makes
gcc happy.
Also caught a use of | instead of || which probably would have caused a
certain check for duplicate declarations in __os9 sections to behave oddly.
author | William Astle <lost@l-w.ca> |
---|---|
date | Wed, 06 Feb 2013 21:43:10 -0700 |
parents | 82957c407577 |
children | 26d2791672b1 |
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#!/bin/sh # # # Copyright 2009 by William Astle <lost@l-w.ca> # #This file is part of LWTOOLS. # #LWTOOLS is free software: you can redistribute it and/or modify it under the #terms of the GNU General Public License as published by the Free Software #Foundation, either version 3 of the License, or (at your option) any later #version. # #This program is distributed in the hope that it will be useful, but WITHOUT #ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or #FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for #more details. # #You should have received a copy of the GNU General Public License along with #this program. If not, see <http://www.gnu.org/licenses/>. # this was based somewhat on the "as" script from gcc6809 #echo "LWTOOLS-ld $0 $*" path_to_lwlink=lwlink # Set defaults. Some are based on the target type, which is # determined by the name by which the program was invoked. output_file=a.out libpaths= libs= stdlibpaths="-L=/usr/local/lib -L=/usr/lib -L=/lib" verbose= if [ "$verbose" = 1 ]; then echo "$0 $@" fi case $0 in *m6809-coco-*) options="--format=decb" # options="-b .text=0x2000 -b .data=0x7000 -b .bss=0x7C00 -b .ctors=0x7F00 -b .dtors=0x7F80 -b vector=0x7FF0" # aslink_options="-nwxst" # exe_suffix=.bin ;; *) options="--format=decb" # options="-b .text=0x8000 -b .data=0x1000 -b .bss=0x0100 -b .ctors=0xFD00 -b .dtors=0xFE00 -b vector=0xFFF0" # aslink_options="-nwxso" # exe_suffix=.s19 ;; esac while [ "$*" != "" ]; do arg=$1; shift case $arg in -d|-dc|-dp) # force allocation of space to common symbols # even if relocatable output file is specified # not supported by targets ;; -X) # strip unneeded stuff # ignored - really just a no-op ;; -gn) # Generate NoICE debug file # ignored because debugging not supported by targets ;; -gs) # Generate SDCC debug file # ignored because debugging not supported by targets ;; -o) output_file=$1; shift ;; -L*) arg=${arg#-L} libpaths="$libpaths --library-path=$arg" ;; -l*) arg=${arg#-l} libs="$libs --library=$arg" ;; --section-start) section_value=$1; shift options="$options --section-base=$section_value" ;; --map) map_file=$1; shift options="$options --map=$map_file" ;; -Tbss) options="$options --section-base=.bss=$1"; shift ;; -Tdata) options="$options --section-base=.data=$1"; shift ;; -Ttext|-Tcode) options="$options --section-base=.text=$1"; shift ;; -v|--verbose) verbose=1 ;; *crt0.o) startup_files=$arg ;; -g) # Ignored by GNU ld; we should do the same true ;; -h|--help) echo "ld (m6809)" exit 0 ;; -T) echo "-T scripts not supported"; exit 1; ;; --format-lwex) options="$options --format=lwex" ;; --sysroot=*) options="$options $arg" ;; -nostdlib) stdlibpaths= ;; -e) options="$options --entry=$1" shift ;; --entry) options="$options $arg" ;; -*) echo "ld (m6809): unknown option $arg" exit 1 ;; *) input_files="$input_files $arg" ;; esac done options="$options -o $output_file" if [ "$verbose" = "1" ]; then echo "$path_to_lwlink $options $input_files $startup_files $libpaths $stdlibpaths $libs" fi $path_to_lwlink $options $input_files $startup_files $libpaths $libs rc=$? if [ "$rc" != "0" ]; then rm -f $output_file exit $rc fi