Messages in this thread | | | From | Clemens Kolbitsch <> | Subject | user-mode stack size & location | Date | Tue, 28 Aug 2007 18:25:01 +0200 |
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hi! i'm working on a new concept of i386 memory management and have to change quite a bit of the linux mm. could someone please point out, where the location & size of the USER-MODE stack is set for a new program (i.e. after calling sys_execve...) exactly?
I know that all settings are simply copied from the parent-process when invoking fork and how the stack grows (through page-faults).
However,
1.) is
mm->start_stack
set inside the
search_binary_handler / the individual fs-handlers?
i see that the aout-, elf-, etc. handlers all set this variable --> is this the only location where it can be set?
2.) when looking at /proc/PID/maps, i see that the stack always ends at different locations (obviously close to TASK_SIZE). thus the sizes seem to vary. where are they set / where are the infos written to the vma's / the PGD?
any help would be greatly appreciated!! greets, clemens - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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