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移植ncurses库 本文使用的ncurses版本为ncurses-5.9.tar.gz 下载地址：https://ftp.gnu.org/gnu/ncurses/ncurses-5.9.tar.gz
1. 将ncurses压缩包拷贝至Linux主机或使用wget命令下载并解压
tar-zxvf ncurses-5.9.tar.gz
2. 解压后进入到ncurses-5.9目录下
cdncurses-5.9
3. 在ncurses-5.9目录下创建编译完成后生成文件位置 mkdiroutput cdoutput mkdirarm-linux
4. 生成Makefile文件 ./configure--target=arm-none-linux-gnueabi --prefix=$PWD/output/arm-linux --enable-termcap --with-shared --without-ada l --target表示编译器的前缀，需要根据编译的不同需求进行修改 l --prefix表示编译完成后生成文件的位置 l --nable-termcap表示 关键代码使用 termcap(terminalcapabilities)数据库 [自动检测] l --with-shared表示动态编译
5. 编译 make 当遇到如下报错时 Makefile:794:recipe for target '../obj_s/lib_gen.o' failed make[1]:*** [../obj_s/lib_gen.o] Error 1 make[1]:Leaving directory '.../ncurses-5.9/ncurses' Makefile:109:recipe for target 'all' failed make:*** [all] Error 2
需要进入ncurses-5.9/include文件夹，修改 curses.tail 文件下的如下内容,将注释 /* generated */ 去掉 externNCURSES_EXPORT(bool) mouse_trafo(int*, int*, bool); /* generated*/
6. 安装 Makeinstall
7. 安装完成后会在/output/arm-linux目录下生成库文件，我们只需将lib目录下的libncurses.so.5 库拷贝至开发板
移植gdb本文使用的gdb版本为gdb-7.12.tar.gz 下载地址：https://ftp.gnu.org/gnu/gdb/gdb-7.12.tar.gz
1. 将gdb压缩包拷贝至Linux主机或使用wget命令下载并解压
tar-zxvf gdb-7.12.tar.gz
2. 解压后进入到ncurses-5.9目录下
cdgdb-7.12
3. 生成Makefile文件 ./configure -host=arm-none-linux-gnueabi CC=/home/vanxoak/CodeSourcery/Sourcery_G++_Lite/bin/arm-none-linux-gnueabi-gcc --enable-shared--prefix=$PWD/output/arm-linux --disable-werror --without-x --disable-gdbtk--disable-tui --without-included-regex --without-included-gettextLDFLAGS="-L$PWD/../output/arm-linux/lib"CPPFLASS="-I$PWD/../output/arm-linux/include"
l --host=arm-none-linux-gnueabi 用arm-none-linux-gnueabi编译 l CC为交叉编译器绝对路径 l --enable-shared 动态编译 l prefix=“$PWD/output/arm-linux” 安装目录 l --disable-werror 屏蔽werror报警 l --without-x 取消x windows 支持 l --disable-gdbtk 取消gdbtk l --disable-tui 取消tui 界面 l --without-included-gettext 去掉用于多语言处理的gettext库 l "LDFLAGS=XXX"指交叉编译完成的ncurse的lib目录路径 l "CPPFLAGS=XXX"指是交叉编译完成的ncurse的include目录路径
4. 编译 make
5. 安装 makeinstall
安装完成后会在.../gdb-7.12/output/arm-linux/bin/目录下生成gdb可执行程序。
移植至HDT3-EVM 开发板1. 将libncurses.so.5库 文件拷贝至/usr/lib目录下，若/usr目录下无lib目录可手动创建mkdir lib 2. 将gdb程序拷贝至/bin目录下 
测试调试1. 编写可执行测试程序，示例hello.c代码如下,该代码执行后会打印Hello World。 #include<stdio.h> intmain(int argc, char *argv[]) { printf("Hello World\n"); return 0; } 2. 使用交叉编译器进行编译，需要注意的是，要使用gdb调试程序，需要在使用交叉编译器编译源代码时加上 " -g " 参数保留调试信息，否则不能使用GDB进行调试且报如下最后一行所示错误: /home# gdb hello GNUgdb (GDB) 7.12 Copyright(C) 2016 Free Software Foundation, Inc. LicenseGPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> Thisis free software: you are free to change and redistribute it. Thereis NO WARRANTY, to the extent permitted by law. Type "show copying" and"show warranty" for details. ThisGDB was configured as "arm-none-linux-gnueabi". Type"show configuration" for configuration details. Forbug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>. Findthe GDB manual and other documentation resources online at: <http://www.gnu.org/software/gdb/documentation/>. Forhelp, type "help". Type"apropos word" to search for commands related to "word"... Readingsymbols from hello...(no debugging symbols found)...done.
3. 使用交叉编译器编译测试程序 arm-none-linux-gnueabi-gcc-g -o hello hello.c
4. 将生成的hello文件拷贝至HDT3-EVM 开发板上并使用sync命令保存
5. 输入gbd命令启动gdb程序 /home# gdb GNUgdb (GDB) 7.12 Copyright(C) 2016 Free Software Foundation, Inc. LicenseGPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> Thisis free software: you are free to change and redistribute it. Thereis NO WARRANTY, to the extent permitted by law. Type "show copying" and"show warranty" for details. ThisGDB was configured as "arm-none-linux-gnueabi". Type"show configuration" for configuration details. Forbug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>. Findthe GDB manual and other documentation resources online at: <http://www.gnu.org/software/gdb/documentation/>. Forhelp, type "help". Type"apropos word" to search for commands related to "word". (gdb)
上述代码(gdb)为GBD内部命令引导符,表示等待用户输入gbd命令
6. 使用 " file hello " 命令载入被调试的测试程序 (gdb)file hello Readingsymbols from hello...done.
显示Reading symbols from hello...done.表示被测程序加载成功
7. 使用 " r "命令执行调试测试程序 (gdb)r Startingprogram: /home/hello HelloWorld [Inferior1 (process 849) exited normally] 如上述代码显示 " Hello World " 即表示hello程序执行完成
(gdb)help Listof classes of commands:
aliases-- Aliases of other commands breakpoints-- Making program stop at certain points data-- Examining data files-- Specifying and examining files internals-- Maintenance commands obscure-- Obscure features running-- Running the program stack-- Examining the stack status-- Status inquiries support-- Support facilities tracepoints-- Tracing of program execution without stopping the program user-defined-- User-defined commands
Type"help" followed by a class name for a list of commands in that class. Type"help all" for the list of all commands. Type"help" followed by command name for full documentation. Type"apropos word" to search for commands related to "word". Commandname abbreviations are allowed if unambiguous.
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