Do you mind sending over your mutatee (libpng and/or the program using
it)? I can poke around with dwarfdump and our dwarf parser's debug
output and see what's up here. Turnaround may be a bit slow, between the
holidays and some other projects with fixed deadlines I've got going,
but I'll do what I can.
On 12/16/2014 04:51 AM, Fabian Mager wrote:
Bill Williams <[email protected] <mailto:[email protected]>> schrieb am
Mon Dec 15 2014 at 6:12:08 PM:
On 12/09/2014 04:57 AM, Fabian Mager wrote:
> Hello everyone,
>
> I inspect function parameters and need to determine their sizes. This
> works quite well so far but currently I work with libpng and have
some
> problems.
>
> typedef struct png_struct_def png_struct;
> typedef const png_struct * restrict png_const_structrp;
> png_get_header_ver(png_const___structrp png_ptr) {...}
>
> When inspecting the function parameter png_ptr, I expect to get
the size
> of a pointer but instead it is 0. The dataClass is 9 which means that
> png_ptr is a typeTypedef. The size of such a type is derived from its
> baseType which I can get via getConstituentType() I assume. The
baseType
> in this scenario has dataClass 11 which means dataUnknownType and
hence
> size 0. The question is, how do I get the size of my parameter?
>
What version of Dyninst is this? I know we've fixed quite a few type
size computation problems in 8.2.1, but if this is with that version we
obviously haven't gotten all of them...
I'm using the current version 8.2.1.
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--bw
Bill Williams
Paradyn Project
[email protected]
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