Thread (1 message) 1 message, 1 author, 2020-11-18

Re: [PATCH v7 0/7] Syscall User Dispatch

From: Gabriel Krisman Bertazi <hidden>
Date: 2020-11-18 17:02:05
Also in: linux-api, lkml

Florian Weimer [off-list ref] writes:
* Gabriel Krisman Bertazi:
quoted
This is the v7 of syscall user dispatch.  This version is a bit
different from v6 on the following points, after the modifications
requested on that submission.
Is this supposed to work with existing (Linux) libcs, or do you bring
your own low-level run-time libraries?
Hi Florian,

The main use case is to intercept Windows system calls of an application
running over Wine. While Wine is using an unmodified glibc to execute
its own native Linux syscalls, the Windows libraries might be directly
issuing syscalls that we need to capture. So there is a mix. While this
mechanism is compatible with existing libc, we might have other
libraries executing a syscall instruction directly.

-- 
Gabriel Krisman Bertazi
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