gcc-生成可以宏调试信息

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// Author: QianChenglong <qian_cheng_long@163.com>
// Create: 2016-09-01 17:51:59

#include <iostream>

#define STR "Hello world!\n"

int main(int argc, char* argv[])
{
    std::cout << STR;

    return 0;
}
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gcc main.cpp -ggdb3
gdb a.out
(gdb) list
1   // Author: QianChenglong <qian_cheng_long@163.com>
2   // Create: 2016-09-01 17:51:59
3   
4   #include <iostream>
5   
6   #define STR "Hello world!\n"
7   
8   int main(int argc, char* argv[])
9   {
10      std::cout << STR;
(gdb) print STR
$1 = "Hello world!\n"
(gdb) macro expand STR
expands to: "Hello world!\n"

参考

  1. https://gcc.gnu.org/onlinedocs/gcc-6.2.0/gcc/Debugging-Options.html#Debugging-Options

留言

2016-09-02
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