[Mono-dev] Point of GC memory allocation in Mono

serus fabian.nagel at gmail.com
Mon Feb 3 18:11:11 UTC 2014

Dear Devs,

I plan to experiment with the garbage collector and, to get me started, I
wrote a small C# program that allocates a couple of objects and then I tried
to use GDB to find the function calls that allocates memory for these

The function candidates that I identified are: /mono_gc_alloc_obj/ and
/mono_gc_try_alloc_obj_nolock/ (both in /sgen-alloc.c/).

When GDB reaches either breakpoint, I tried to identify whether it is the
correct call by using the function's /size/ parameter and the fields
/vtable->klass->name/ / /vtable->klass->name_space/.

However, my approach seems to no work as I cannot find a single qualifying
call. Could someone please hint me at where my thoughts are wrong and how to
succeed with what I am trying to do.


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