buildgdb

powerpc内核mpc860芯片 linux操作系统下交叉调试程序

#!/bin/sh
#
#######################################################
#
# BuildGDB
#
# how to build an i686-linux to ppc-linux Cross Debugger
#  with new gdb target mpcbdm
#
# Version:		1.2
# Date:			08.11.2000
# Firstdate:	03.09.1999
# Author:		FP
# Copyright:(c) 1999,2000 VAS GmbH
#
#######################################################

# $work		: root dir for working directories
# $source	: root dir for source code archives tar.gz
# $install	: main dir for installation
# $execute	: install path for executables : = $prefix/bin
# $mpcbdm	: source dir for own gdb target mpcbdm
# $linux	: root to linux kernel sources
# $kernel	: where to store cross kernels

# $host		: build tools to run on host system
# $target	: build tools to create code for target system

# $NEWBUILD..: need too configure ..?

# $GDB		: name and version of cross tools


echo "executing "$0" on "$HOSTNAME
work=$(pwd)
source=$(pwd)
install=$(pwd)
execute=$install
mpcbdm=$(pwd)/MPCBDM
# adapt path to your needs
linux=/Borg/Data2/LinuxPPC/usr/src/linux
kernel=/Borg/Data1/Projekte/DNC/CrossGCC/Kernels

# run cross compiler on host
# not used, see configure for gdb below
host=i686-gnu/linux

# for target system
target=powerpc-linux

echo "trying to build cross gdb "$1

if test -z "$1" ; then
	echo $0":specify tool to build [gdb|linux] or 'all' for all"
	exit 0
fi

echo "host="$host", target="$target
echo "source="$source
echo "work="$work
echo "install="$install
echo "execute="$execute
echo "mpcbdm="$mpcbdm
echo "linux="$linux
echo "kernel="$kernel

#set versions to work with
GDB=gdb-5.0

echo "GDB="$GDB

if test -d $work ; then
	echo "working dir "$work" exists"
else
	echo "working dir "$work" does not exist!"
	exit -1
fi	

if test -d $source ; then
	echo "source archive dir "$source" exists"
else
	echo "source archive dir "$source " not found!"
	exit -1
fi

if test -d $install ; then
	echo "install dir "$install" exists"
else
	echo "install dir "$install" not found"
	exit -1
fi	

if test -d $execute ; then
	echo "executable dir "$execute" exists"
else
	echo "executable dir "$execute" not found"
	exit -1
fi	

# go into working dir
cd $work

# for make with VPATH:
if test -d "build-gdb" ; then
	echo "dir build-gdb already exists"
else
	echo "creating build-gdb"
	mkdir build-gdb
	NEWBUILDGDB=1
fi

# unpack sources
if test -d $GDB ; then
	echo "dir gdb exists, skipping unpacking"
else
	tar --ungzip -xvf $source/$GDB.tar.gz
	NEWBUILDGDB=1
fi


#setup CFLAGS without -g to save space
SET_CFLAGS=CFLAGS=-O2

# add cross binutils to PATH
if test -z "$(echo $PATH | grep $execute)" ; then
	echo "adding "$execute' to $PATH'
	PATH=$PATH':'$execute
	echo '$PATH='$PATH
else
	echo $execute' already in $PATH'
fi

# Configure, build and install gdb with BDM support
if test "$1" = "gdb" -o "$1" = "all" ; then
	cd $work/build-gdb
	if test -n "$NEWBUILDGDB" ; then
#copy new target files and Makefile.in to gdb dir
		echo "new build for gdb"
		if test -d $mpcbdm ; then
			echo "dir "$mpcbdm" exists, copying target files to gdb-src"
			cp -bv $mpcbdm/mpcbdm.[ch] $work/$GDB/gdb/
			cp -bv $mpcbdm/Makefile.in $work/$GDB/gdb/
#			cp -bv $mpcbdm/ppc*.mt $work/$GDB/gdb/config/powerpc/
			cp -bv $mpcbdm/linux.mt $work/$GDB/gdb/config/powerpc/
		fi
		echo "configuring gdb:"
#		$work/$GDB/configure --host=$host --target=$target -v 2>&1 | tee conf.out
# let configure find correct host
		$work/$GDB/configure --target=$target -v 2>&1 | tee conf.out
	else
		echo "old build for gdb"
		if test -d $mpcbdm ; then
			echo "dir "$mpcbdm" exists, copying target files to build-gdb/gdb"
			cp -bv $mpcbdm/mpcbdm.[ch] $work/build-gdb/gdb/
		fi
	fi
	echo "building gdb"
	make all $SET_CFLAGS 2>&1 | tee make.out # build cross gdb
	echo "installing gdb"
	cp -v $work/build-gdb/gdb/gdb $execute/$target-gdb
fi

# Configure, build and prepare cross kernel image for BDM
# previously edit Makefile in $linux, make menuconfig, make dep, make clean
# ARCH := ppc
# CROSS_COMPILE = powerpc-linux-
if test "$1" = "linux" -o "$1" = "all" ; then
	cd $linux
	make zImage 2>&1 | tee make.out
	cp -vb $linux/arch/ppc/mbxboot/zvmlinux $kernel/
# adjusting kernel image flags: otherwise gdb won't load image into target
	powerpc-linux-objcopy \
		--set-section-flags=image=contents,alloc,load,readonly,data \
		--adjust-section-vma=image=0x106000 \
		$kernel/zvmlinux \
		$kernel/zvmlinux2	
fi