GDB:每步操作后禁用当前行的打印 [英] GDB: disable printing of current line after every step

问题描述

GNU gdb命令行调试器在每个 step 和 next 命令之后打印当前所在的行.考虑下面的gdb会话，我在其中逐步执行一些代码:

The GNU gdb commandline debugger prints the line it is currently on after every step and next command. Consider the following gdb session where I step through some code:

...
Temporary breakpoint 1, main (argc=1, argv=0x7fffffffd848)
    at src/main.cc:3
3       int main(int argc, char **argv){
(gdb) next
4           Printf("Hello World\n");    // <--- disable this
(gdb) 
5           printf("Hello World 2\n");  // <--- disable this
(gdb) 

是否有gdb设置来禁用此打印?我知道这在技术上是可行的，因为gdb TUI确实具有我要查找的行为(可通过gdb命令 set enable tui 访问).

Is there a gdb setting to disable this printing? I know this is technically possible because the gdb TUI has exactly the behaviour i'm looking for (accessible through gdb command set enable tui).

谢谢！

推荐答案

我是通过重定向实现的:

I achieved it through redirection:

define n
    set logging file /dev/null
    set logging redirect on
    set logging on
    next
    set logging off
    display
end

我发现使用 gdb.execute (gdb的python API)无法捕获 next 的输出.我希望是这种情况，因为源行不是由 next 本身打印的，而是由触发的stop事件打印的.

I found that capturing the output of next did not work using gdb.execute (gdb's python API). I expect that this is the case because the source line is not printed by next itself, but by the stop event that is triggered.

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