* Types mangled when using "file -readnow <filename>"
@ 2012-09-06 16:16 Paul_Koning
2012-09-06 18:46 ` Paul_Koning
0 siblings, 1 reply; 2+ messages in thread
From: Paul_Koning @ 2012-09-06 16:16 UTC (permalink / raw)
To: gdb
I noticed a strange problem when doing some Python scripting in which I open the execfile with the "-readnow" switch: Some structures (C++ classes, actually) lose their fields when I do that.
If I open the file without -readnow, and I do a "ptype", I see a base class, a data member, and a static method.
If I open the file with -readnow, ptype shows only the static method, and omits both the base class and the data member.
This is GDB 7.3.1, reading binaries produced by GCC 4.5.4 and Binutils 2.20.1. Is this a known problem? Fixed in a later release?
paul
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Types mangled when using "file -readnow <filename>"
2012-09-06 16:16 Types mangled when using "file -readnow <filename>" Paul_Koning
@ 2012-09-06 18:46 ` Paul_Koning
0 siblings, 0 replies; 2+ messages in thread
From: Paul_Koning @ 2012-09-06 18:46 UTC (permalink / raw)
Cc: gdb
On Sep 6, 2012, at 12:16 PM, <Paul_Koning@Dell.com>
<Paul_Koning@Dell.com> wrote:
> I noticed a strange problem when doing some Python scripting in which I open the execfile with the "-readnow" switch: Some structures (C++ classes, actually) lose their fields when I do that.
>
> If I open the file without -readnow, and I do a "ptype", I see a base class, a data member, and a static method.
>
> If I open the file with -readnow, ptype shows only the static method, and omits both the base class and the data member.
>
> This is GDB 7.3.1, reading binaries produced by GCC 4.5.4 and Binutils 2.20.1. Is this a known problem? Fixed in a later release?
>
> paul
>
After further investigation, this turns out to be due to incorrect debug data emitted by GCC 4.*. I'll report it there.
paul
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