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Problem in making program stop on first line [message #1817010] Wed, 13 November 2019 14:07 Go to next message
Eclipse UserFriend
With Eclipse IDE version 2019-09 (4.13.0) I would like to stop my C++ program at the first line. I have tried putting a tick in the box for "Stop on startup at main" (under Run/debug configuration), also a break point on the first line, and I have also put a breakpoint immediately after the first line, but the program simply exits leaving the message:

"<terminated>LANG2 Debug [C/C++ Application]
<terminated, exit value: 0>gdb (8.1.1) "

I have also tried removing the tick for "Stop on startup at main" but the same thing happens.

The program begins like this:

B int main(int argc, char *argv[])
{
B if (argc < 3)

I've put 'B' on lines that have break points.

Is this a bug or is there something wrong with my program? Any suggestions will be very welcome.
Re: Problem in making program stop on first line [message #1817059 is a reply to message #1817010] Thu, 14 November 2019 16:11 Go to previous messageGo to next message
Eclipse UserFriend
All I can say at this point is it works for me.
The debugger only stops at executable lines.
That is,those with control statements, expressions or function calls.
The first executable line in your program is the if statement.
The line beginning with int main is a declaration.
Putting a breakpoint there won't do anything
(although it will likely stop at the next executable line)

There are some things to check:

    o)Does your source match the executable (has it been built without errors)?

    o)There are different type of breakpoints selected with (right click in margin, Breakpoint Types)
    make sure they are C/C++ Breakpoints (tiny blue dot)

    o)Make sure Skip All Breakpoints hasn't been enabled
    (blue dot with slash in Breakpoints view)


Try creating an HelloWorld Project and see if breakpoints work there.

If that works, upload a short version of your code (about 10 lines or less) that doesn't.
Also, upload

    the launch configuration Main and Debugger Tabs
    the launch configuration type (C++ Application, Docker, whatever)
    the output displayed in the debugger console view
    your OS version.
Re: Problem in making program stop on first line [message #1817085 is a reply to message #1817059] Fri, 15 November 2019 05:12 Go to previous message
Eclipse UserFriend
Dear David,

Many thanks for these very helpful suggestions. I'll be following them up as time allows.

With best wishes,

Gerry Wolff
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