[Mono-bugs] [Bug 386415] [PATCH] Implementation of mono_method_get_unmanaged_thunk

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Sun May 4 10:53:54 EDT 2008


User robertj at gmx.net added comment

--- Comment #9 from Robert Jordan <robertj at gmx.net>  2008-05-04 08:53:53 MST ---
Hm, on Linux and Mac x86 there is struct size discrepancy:

the native struct

struct {
    int a;
    double b;

has sizeof == 12 and double's alignment is 4.

The managed struct

struct {
    public a;
    public b;

has sizeof == 16 and double's alignment is 8.

This is due to __alignof__'s usage in metadata.c (see patch).

Mono's managed alignment is of course superior, so the patch is probably

Should we just document this issue and let people fix their
native struct declarations to match mono's expectations?

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