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...
Thanks,
Fabian
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--bw
Bill Williams
Paradyn Project
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