I agree, your print statement should work.
I get the same mesage and unfortanately have no idea how to get around it.
The documentation indicates to me that the print statement should work.
"Chih-Wei(Jim) Chang" wrote:
> Hi,
>
> Sorry if this is not a bug. But this is something bothers me a lot
> these days.
>
> I recently switched my OS from Solaris to Mandrake Linux 7.0.
> It seems I have some problem debugging my c++ code using gdb. Here is a
> sample code:
> ------------------------------------------------------------------------
> #include <iostream.h>
> class MyClass
> {
> private:
> int a;
> public:
> MyClass() {a = 1;}
> int Get_a() {return a;}
> };
> main()
> {
> MyClass inst;
> cout << inst.Get_a() << endl;
> }
> ------------------------------------------------------------------------
> After compiling the code using "g++ -g main.cxx", I launch gdb by
> "gdb a.out". And start tracing the code:
> ------------------------------------------------------------------------
> [cwchang@localhost ~/tmp]$ g++ -g main.cxx
> [cwchang@localhost ~/tmp]$ a.out
> 1
> [cwchang@localhost ~/tmp]$ gdb a.out
> GNU gdb 19991116
> Copyright 1998 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and you are
> welcome to change it and/or distribute copies of it under certain conditions.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB. Type "show warranty" for details.
> This GDB was configured as "i586-mandrake-linux"...
> (gdb) b main
> Breakpoint 1 at 0x8048656: file main.cxx, line 16.
> (gdb) r
> Starting program: /home/cwchang/tmp/a.out
>
> Breakpoint 1, main () at main.cxx:16
> 16 MyClass inst;
> (gdb) n
> 18 cout << inst.Get_a() << endl;
> (gdb) p inst.Get_a()
> Cannot resolve method MyClass::Get_a to any overloaded instance
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> (gdb) ptype inst
> type = class MyClass {
> private:
> int a;
>
> public:
> MyClass & operator=(MyClass const &);
> MyClass(MyClass const &);
> MyClass(void);
> int Get_a(void);
> int Get_b(int);
> }
> (gdb) info source
> Current source file is main.cxx
> Compilation directory is /home/cwchang/tmp/
> Located in /home/cwchang/tmp/main.cxx
> Contains 22 lines.
> Source language is c++.
> Compiled with stabs debugging format.
> (gdb)
> ----------------------------------------------------------------------
>
> "Cannot resolve method MyClass::Get_a to any overloaded instance"
> What does this mean? It seems I cannot not execute the expression
> because gdb cannot find the corresponding reference. I have no
> problem debugging this piece of code on my Solaris machine (the
> command "p inst.Get_a()" have no problem get executed) Is this
> a machine-dependent issue?
>
> Any idea? Thanks in advance.
>
> Jim
--
Regards,
Paul Hardiman
InterMedia, Inc (Colorado)
Informations Systems Consulting
303-581-0606, Fax 581-0506, [EMAIL PROTECTED]
