http://blog.csdn.net/zoufeiyy/article/details/1490241

  http://web.mit.edu/gnu/doc/html/gdb_8.html

（1）准备： gcc -g         ##########################################################################################        CFLAGS += -I.. -g        msview: msview.o            $(CC) $(CFLAGS) -o $@ msview.o $(LDFLAGS) $(LDLIBS)        ##########################################################################################        # Standard object building        .c.o:            $(CC) $(CFLAGS) -g -c $< -o $@        ##########################################################################################            # Standard object building for dynamic library components using -fPIC        .c.lo:            $(CC) $(CFLAGS) -g -fPIC -c $< -o $@        ##########################################################################################    （2）break            $       gdb ./msview             (gdb) break unpack.c:76            (gdb) run data    （3）查看调用堆栈            (gdb) bt            #0  msr_unpack (record=0x7ffff7ed2010 "000001D", ' ' 
        
         , "\a\262", reclen=4096,             ppmsr=0x7fffffffe210, dataflag=1 '\001', verbose=0 '\000') at unpack.c:76            #1  0x0000000000417320 in msr_parse (record=0x7ffff7ed2010 "000001D", ' ' 
         
          , "\a\262",             recbuflen=4096, ppmsr=0x7fffffffe210, reclen=4096, dataflag=1 '\001', verbose=0 '\000')            at parseutils.c:108            #2  0x000000000040311a in ms_readmsr_main (ppmsfp=0x7fffffffe1a0, ppmsr=0x7fffffffe210,             msfile=0x7fffffffe66b "data", reclen=4096, fpos=0x0, last=0x0, skipnotdata=1 '\001',             dataflag=1 '\001', selections=0x0, verbose=0 '\000') at fileutils.c:552            #3  0x0000000000401d6e in ms_readmsr (ppmsr=0x7fffffffe210, msfile=0x7fffffffe66b "data", reclen=-1,             fpos=0x0, last=0x0, skipnotdata=1 '\001', dataflag=1 '\001', verbose=0 '\000') at fileutils.c:105            #4  0x00000000004017a2 in main (argc=2, argv=0x7fffffffe3b8) at msview.c:75                        断点打在 msr_unpack，npack.c:76                        --msr_parse    parseutils.c:108                            --ms_readmsr_main fileutils.c:552                                --main    msview.c:75
         
        

 

 

https://i.cnblogs.com/EditPosts.aspx?postid=4778015

看内存：  x

　　 (gdb) x/10xb  0x400703  以十六进制方式查看内存地址0x400703开始10个字节的value。

　　

　　

参考：

1. 通过 GDB 学习 C 语言 http://blog.jobbole.com/87482/

2.  http://www.cnblogs.com/rosesmall/archive/2012/04/13/2445527.html

3. http://www.cnblogs.com/Shirlies/p/3278937.html

4. GDB使用基础（转载） http://bbs.21ic.com/blog-678712-84132.html