Re: the fault address of a traced process

Jeff Dike (jdike@karaya.com)
Sun, 30 Sep 2001 19:53:17 -0500

bruce@cs.usyd.edu.au said:
> The tracer now wants to determine the traced process' faulted address.
> According to the (2.2.19) kernel source
[snip]
> How should a tracer extract this information under a current (2.2.*,
> 2.4.*) Linux?

Read some more UML source, specifically,

segv_handler() in arch/um/kernel/trap_user.c and also the i386 definitions
in arch/um/include/sysdep-i386/sigcontext.h

Basically, you are passed the necessary information in a sigcontext struct.

Jeff

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