[rust-dev] Debugging (rust 0.9) in Ubuntu via GDB

John Mija jon.mb at proinbox.com
Mon Jan 13 03:52:47 PST 2014


There is a web front-end for gdb to debug applications in Go, C and C++. 
I'm supposed that it also could be used to debug Rust apps.

https://github.com/sirnewton01/godbg

El 13/01/14 07:42, Michael Woerister escribió:
> Hi,
> the `break` command can be a bit particular where function names are
> concerned, especially when namespaces and generics are involved. The
> correct full name of the shuffle method would be something like
> `std::rand::TaskRng::shuffle<int>` (there is a seperate function for
> every set of concrete type parameters, so `shuffle<int>` would be
> different from `shuffle<f32>`).
>
> My recommendation here is to either
> * set the breakpoint using line numbers: break prog.rs:7
> * or use the `rbreak` command which takes a regular expression as
> argument, that is, `rbreak shuffle` will match any function containing
> the string "shuffle" in its name.
>
> Don't be shy to ask further questions if you have any :)
>
> -Michael
>
> On 13.01.2014 00:13, Artella Coding wrote:
>> Suppose I have the following program :
>>
>> **********************************************
>> //prog1.rs <http://prog1.rs>
>> use std::rand::{task_rng, Rng};
>> fn main() {
>>     let names = ["Alice", "Bob", "Carol"];
>>     for name in names.iter() {
>>         let v = task_rng().shuffle(~[1,2,3]);
>>         for num in v.iter() {
>>             println!("{:s} says: {:d}", *name, *num);
>>         }
>>     }
>> }
>> **********************************************
>>
>> In previous versions of rust it was possible to put
>> a breakpoint on "shuffle"  e.g.
>>
>> One would first compile via :
>>
>> rustc -Z debug-info prog1.rs <http://prog1.rs>
>>
>> and then one could proceed to put a breakpoint on "shuffle" :
>>
>> gdb ./prog1
>> (gdb) break shuffle
>> (gdb) run
>>
>> However now it doesn't seem possible to put a breakpoint on shuffle.
>> Why is this? Thanks.
>>
>>
>>
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>> Rust-dev at mozilla.org
>> https://mail.mozilla.org/listinfo/rust-dev
>
>
>
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