Re: [Mingw-users] How to print fortran allocatable array in GDB?

[xunxun <xun...@gm...>]

于 2014/8/23 10:32, 孔涛 写道:
> Hi, everyone. How to print fortran allocatable array in GDB?  For 
> example, the source file reads
> --
>
>     program main
>     implicit none
>     real,dimension(5) :: a
>     real,dimension(:),allocatable :: b
>
>     allocate(b(10) )
>
>     call random_number(a)
>     call random_number(b)
>
>     deallocate(b)
>     end program
>
>
> --
> I use 'gfortran -g arr.f90 ' and use 'gdb ./a.exe' Then I got the 
> following debug info
> ---------------------------------
>
>     (gdb) b 6
>     (gdb) b 10
>     (gdb) r
>     Starting program: D:\Documents\Projects\test/a.exe
>     [New Thread 6844.0x1a40]
>
>     Breakpoint 1, MAIN__ () at array.f90:6
>     6       allocate(b(10) )
>     (gdb) p a
>     $8 = (3.76478451e-039, 1.54142831e-044, 1.03794626e-038,
>     -nan(0x7ffffe), 0)
>     (gdb) p b
>     $9 = (0)
>     (gdb) c
>     Continuing.
>
>     Breakpoint 2, MAIN__ () at array.f90:11
>     11      deallocate(b)
>     (gdb) p a
>     $10 = (0.997559547, 0.566824675, 0.965915322, 0.747927666,
>     0.367390871)
>     (gdb) p b
>     $11 = (0)
>     (gdb)
>     ----------------------------------------
>
> So why? How to show the variable b?
>
>
>
>
> --
> Have a nice day!
>
> Kayneo
>
> ----
> I saw, I came, I conquered!
>
>
You should use archer gdb, which support fortran dynamic array.


-- 
Best Regards,
xunxun