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Re: [Libunwind-devel] Help : Lowest address of stack frame causing segfa
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From: |
Arun Sharma |
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Subject: |
Re: [Libunwind-devel] Help : Lowest address of stack frame causing segfault |
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Date: |
Sat, 22 Mar 2014 21:36:37 +0530 |
On Thu, Mar 20, 2014 at 11:18 PM, Pallav Singh <address@hidden> wrote:
> Hi Arun
>
> can we use the Fact that function call are 16 byte aligned in ABI format for
> x86_64 to get the bottom of function call(for a non leaf function).
In general no. Someone could allocate a 16 byte area on the stack and
you won't be able to tell which of the 16 byte aligned addresses are
the beginning of the frame.
https://docs.google.com/document/d/1re7mycv3BNWexXdNRRosjdKqvxE7gJR76DuoBhg1IEg/view?hl=en_US&pli=1
-Arun