arm蛋疼汇编 part6--写程序怎能不调试 eclipse cdt zylincdt openocd gdb 调试

step1：安装eclipse cdt 这个google search 一大堆 archlinux 下 yaourt 直接 搞定

step2：在线安装安装eclipse zylincdt插件 eclipse下 Help==>install new software==>work with: zylincdt - http://www.zylin.com/zylincdt 剩下的google search一堆

step3：安装openocd yaourt搞定最新版 配置文件如下：

[leftover-crazy@leftover-crazy ~]$ vim .openocd/openocd.cfg

#
# 100ASK OpenJTAG
#
# http://www.100ask.net #
interface ft2232
ft2232_device_desc "USB<=>JTAG&RS232 A"
ft2232_layout jtagkey
ft2232_vid_pid 0x1457 0x5118
# Target configuration for the Samsung 2440 system on chip
# Tested on a S3C2440 Evaluation board by keesj
# Processor      : ARM920Tid(wb) rev 0 (v4l)
# Info:  JTAG tap: s3c2440.cpu tap/device found: 0x0032409d (Manufacturer: 0x04e, Part: 0x0324, Version: 0x0)
if { [info exists CHIPNAME] } {
set  _CHIPNAME $CHIPNAME
} else {
set  _CHIPNAME s3c2440
}
if { [info exists ENDIAN] } {
set  _ENDIAN $ENDIAN
} else {
# this defaults to a bigendian
set  _ENDIAN little
}
if { [info exists CPUTAPID ] } {
set _CPUTAPID $CPUTAPID
} else {
# force an error till we get a good number
set _CPUTAPID 0x0032409d
}
#jtag scan chain
jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0x0f -expected-id $_CPUTAPID
set _TARGETNAME $_CHIPNAME.cpu
target create $_TARGETNAME arm920t -endian $_ENDIAN -chain-position $_TARGETNAME -variant arm920t
$_TARGETNAME configure -work-area-phys 0x200000 -work-area-size 0x4000 -work-area-backup 1
#reset configuration
jtag_nsrst_delay 100
jtag_ntrst_delay 100
reset_config trst_and_srst
jtag_khz 12000
#gdb_breakpoint_override hard
arm7_9 dcc_downloads enable
arm7_9 fast_memory_access  enable
nand device 0 s3c2440 0

step4： crosstool-ng 编译交叉工具链 生成如下工具：

arm/arm-2440-linux-gnueabi/bin/arm-2440-linux-gnueabi-addr2line
arm/arm-2440-linux-gnueabi/bin/arm-2440-linux-gnueabi-addr2name.awk
arm/arm-2440-linux-gnueabi/bin/arm-2440-linux-gnueabi-ar
arm/arm-2440-linux-gnueabi/bin/arm-2440-linux-gnueabi-as
arm/arm-2440-linux-gnueabi/bin/arm-2440-linux-gnueabi-c++
arm/arm-2440-linux-gnueabi/bin/arm-2440-linux-gnueabi-cc
arm/arm-2440-linux-gnueabi/bin/arm-2440-linux-gnueabi-c++filt
arm/arm-2440-linux-gnueabi/bin/arm-2440-linux-gnueabi-cpp
arm/arm-2440-linux-gnueabi/bin/arm-2440-linux-gnueabi-ct-ng.config
arm/arm-2440-linux-gnueabi/bin/arm-2440-linux-gnueabi-g++
arm/arm-2440-linux-gnueabi/bin/arm-2440-linux-gnueabi-gcc
arm/arm-2440-linux-gnueabi/bin/arm-2440-linux-gnueabi-gcc-4.3.2
arm/arm-2440-linux-gnueabi/bin/arm-2440-linux-gnueabi-gccbug
arm/arm-2440-linux-gnueabi/bin/arm-2440-linux-gnueabi-gcj
arm/arm-2440-linux-gnueabi/bin/arm-2440-linux-gnueabi-gcov
arm/arm-2440-linux-gnueabi/bin/arm-2440-linux-gnueabi-gdb
arm/arm-2440-linux-gnueabi/bin/arm-2440-linux-gnueabi-gdbtui
arm/arm-2440-linux-gnueabi/bin/arm-2440-linux-gnueabi-gfortran
arm/arm-2440-linux-gnueabi/bin/arm-2440-linux-gnueabi-gprof
arm/arm-2440-linux-gnueabi/bin/arm-2440-linux-gnueabi-jcf-dump
arm/arm-2440-linux-gnueabi/bin/arm-2440-linux-gnueabi-ld
arm/arm-2440-linux-gnueabi/bin/arm-2440-linux-gnueabi-ldd
arm/arm-2440-linux-gnueabi/bin/arm-2440-linux-gnueabi-nm
arm/arm-2440-linux-gnueabi/bin/arm-2440-linux-gnueabi-objcopy
arm/arm-2440-linux-gnueabi/bin/arm-2440-linux-gnueabi-objdump
arm/arm-2440-linux-gnueabi/bin/arm-2440-linux-gnueabi-populate
arm/arm-2440-linux-gnueabi/bin/arm-2440-linux-gnueabi-ranlib
arm/arm-2440-linux-gnueabi/bin/arm-2440-linux-gnueabi-readelf
arm/arm-2440-linux-gnueabi/bin/arm-2440-linux-gnueabi-run
arm/arm-2440-linux-gnueabi/bin/arm-2440-linux-gnueabi-size
arm/arm-2440-linux-gnueabi/bin/arm-2440-linux-gnueabi-sstrip
arm/arm-2440-linux-gnueabi/bin/arm-2440-linux-gnueabi-strings
arm/arm-2440-linux-gnueabi/bin/arm-2440-linux-gnueabi-strip

此步骤也是google search 呵呵

step5：新建empty makefile工程 以下截图说明：

FILE==>c project 选择makefile project ==》empty project==》选择other toolchain 并填写工程名称

next==>next==>finish

test project 右键 properties ==》Settings 修改如下：

discovery option 修改如下：

接着就可以新建代码文件以及makefile了简单实例如下：

all: test.S
arm-2440-linux-gnueabi-as -g test.S -o test.o
arm-2440-linux-gnueabi-ld -Ttext=0x0 test.o -o test_elf
arm-2440-linux-gnueabi-objdump -d -m arm  test_elf > test_elf.dis
arm-2440-linux-gnueabi-objcopy -I elf32-littlearm test_elf -O binary test.bin
clean:
rm -f test.o test_elf test_elf.dis test.bin

main:
@压栈操作
nop
nop
ldr sp, =2000
mov ip, sp
sub sp, sp, #12
str lr, [sp]  @str r14, [sp]
str ip, [sp, #4]  @ str r12, [sp, #4]
str fp, [sp, #8]  @ str r11. [ip, #8]
sub fp, ip, #4
@函数调用
ldr r0, =hello   @取hello标签地址给R0 既参数一的地址
@arm汇编参数传递通过
@R0传递第一个参数
@R1传递第二个参数
@R2传递第三个参数
@R3传递第四个参数
@如果有多于四个参数的传递需要使用堆栈
@sub sp,sp,#4
@mov lr, pc
@ldr pc, show
@出栈操作
ldr lr, [fp, #-8]
ldr ip, [fp, #-4]
ldr fp, [fp, #0]
mov sp, ip
@函数返回
mov pc,lr
show:
.word 0x33f9303c
hello:
.asciz "hello Uboot part2! /n"

接着取消选中project下的 Build Automaticlly

build project 执行make all clean project 执行make clean

step6：openocd 配合gdb调试工程配置

选择

下的debug configurations 双击zylin embedded debug（native）设置如下：

以下仅修改gdb工具：断点入口可以指定任意lable

接着修改启动时的初始命令 monitor开头的是相对于openocd的 其余为gdb的 代码如下：（参照图片修改）

target remote 127.0.0.1:3333
monitor arm920t cp15 2 0
monitor arm7_9 dbgrq enable
monitor halt
load
break main
continue

接着点击apply即可

启动openpcd 可以在external tool configurations 设置 也可以直接命令行启动

点击

下的external tool configurations 设置如下两步：

step7：以上已经完成了所有的配置 下次用到时直接copy project 做相应的简易修改即可

下面是调试过程： 1启动openocd

下拉选择openocd 调试过程中openocd在未停止状态下 只需启动一次

2开始调试

下拉选择 test default

收工 有够蛋疼的 嘿嘿