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Re: [Libunwind-devel] [PATCH] Add an option to have start_ip_offset be r

From: Keno Fischer
Subject: Re: [Libunwind-devel] [PATCH] Add an option to have start_ip_offset be relative to start_ip
Date: Mon, 5 Oct 2015 01:30:24 -0400

Bump, does this patch look reasonable?

On Thu, Jul 30, 2015 at 4:40 PM, Keno Fischer <address@hidden> wrote:
By default, the start_ip_offset in libunwind's table_entry struct is
relative to the unw_dyn_info_t's segbase. This presents a problem
for us in conjunction with using LLVM's MCJIT because it likes to
spread text sections and the corresponding eh_frame sections quite
far apart. This represents my attempt to support this use case in the
simplest manner that is backwards compatible, by adding a new format
kind (UNW_INFO_FORMAT_REMOTE_TABLE2) that indicates that the
`start_ip_offset` should be interpreted as relative to `start_ip`
rather than segbase.

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