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            配置GDB以支持查看stl容器數(shù)據(jù)

            Posted on 2010-12-24 22:22 S.l.e!ep.¢% 閱讀(879) 評論(0)  編輯 收藏 引用 所屬分類: Unix
            [轉(zhuǎn)]配置GDB以支持查看stl容器數(shù)據(jù)
            2009-09-08 10:04
            http://blog.chinaunix.net/u1/44543/showart_1953788.html

            ?
            2. #cat dbinit_stl_views-1.03.txt >> ~/.gdbinit
            ?
            3. 若正處于gdb中,運(yùn)行命令:
            ?? (gdb) source ~/.gdbinit
            ?
            4. 例如,如下代碼:
            bugging.cpp

            #include<vector>
            usingnamespacestd;

            int main()
            {
            vector<int> vec;
            vec.push_back(2);
            vec.push_back(3);
            vec.push_back(4);
            return 0;
            }

            ?
            編譯:
            ?

            #g++-o bugging -g bugging.cpp

            gdb調(diào)試:

            # gdb bugging
            GNU gdb 6.8
            Copyright (C) 2008 Free Software Foundation, Inc.
            License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>

            This is free software: you are free to change and redistribute it.
            There is NO WARRANTY, to the extent permitted by law. Type "show copying"
            and"show warranty"for details.
            This GDB was configured as "i486-slackware-linux"...
            (gdb) help pvector
            Prints std::vector<T> information.
            Syntax: pvector <vector><idx1><idx2>
            Note: idx, idx1 and idx2 must be in acceptable range [0..<vector>.size()-1].
            Examples:
            pvector v - Prints vector content, size, capacity and T typedef
            pvector v 0 - Prints element[idx] from vector
            pvector v 1 2 - Prints elements in range [idx1..idx2] from vector
            (gdb)break main
            Breakpoint 1 at 0x80485c6:file bugging.cpp,line 6.
            (gdb) run
            Starting program:/root/learn/c++/bugging

            Breakpoint 1, main () at bugging.cpp:6
            6????????vector<int> vec;
            (gdb) n
            7????????vec.push_back(2);
            (gdb)
            8????????vec.push_back(3);
            (gdb) pvector
            Prints std::vector<T> information.
            Syntax: pvector <vector><idx1><idx2>
            Note: idx, idx1 and idx2 must be in acceptable range [0..<vector>.size()-1].
            Examples:
            pvector v - Prints vector content, size, capacity and T typedef
            pvector v 0 - Prints element[idx] from vector
            pvector v 1 2 - Prints elements in range [idx1..idx2] from vector
            (gdb) pvector vec
            elem[0]: $1 = 2
            Vector size = 1
            Vector capacity = 1
            Element type =int*
            (gdb) n
            9????????vec.push_back(4);
            (gdb)
            10????????return 0;
            (gdb) pvector vec
            elem[0]: $2 = 2
            elem[1]: $3 = 3
            elem[2]: $4 = 4
            Vector size = 3
            Vector capacity = 4
            Element type =int*
            (gdb)

            5. 默認(rèn)情況下gdb不能用[]查看stl容器的數(shù)據(jù)元素,提示如下錯誤:

            (gdb) print vec[0]
            One of the arguments you tried to pass to operator[] could not be converted to what the function wants.

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