mirror of
https://github.com/tobast/libunwind-eh_elf.git
synced 2024-11-05 09:19:27 +01:00
127 lines
2.7 KiB
Groff
127 lines
2.7 KiB
Groff
'\" t
|
|
.\" Manual page created with latex2man on Thu Aug 5 10:00:51 CEST 2004
|
|
.\" NOTE: This file is generated, DO NOT EDIT.
|
|
.de Vb
|
|
.ft CW
|
|
.nf
|
|
..
|
|
.de Ve
|
|
.ft R
|
|
|
|
.fi
|
|
..
|
|
.TH "UNW\\_INIT\\_REMOTE" "3" "05 August 2004" "Programming Library " "Programming Library "
|
|
.SH NAME
|
|
unw_init_remote
|
|
\-\- initialize cursor for remote unwinding
|
|
.PP
|
|
.SH SYNOPSIS
|
|
|
|
.PP
|
|
#include <libunwind.h>
|
|
.br
|
|
.PP
|
|
int
|
|
unw_init_remote(unw_cursor_t *c,
|
|
unw_addr_space_t as,
|
|
void *arg);
|
|
.br
|
|
.PP
|
|
.SH DESCRIPTION
|
|
|
|
.PP
|
|
The unw_init_remote()
|
|
routine initializes the unwind cursor
|
|
pointed to by c
|
|
for unwinding in the address space identified by
|
|
as\&.
|
|
The as
|
|
argument can either be set to
|
|
unw_local_addr_space
|
|
(local address space) or to an arbitrary
|
|
address space created with unw_create_addr_space().
|
|
.PP
|
|
The arg
|
|
void\-pointer tells the address space exactly what entity
|
|
should be unwound. For example, if unw_local_addr_space
|
|
is
|
|
passed in as,
|
|
then arg
|
|
needs to be a pointer to a context
|
|
structure containing the machine\-state of the initial stack frame.
|
|
However, other address\-spaces may instead expect a process\-id, a
|
|
thread\-id, or a pointer to an arbitrary structure which identifies the
|
|
stack\-frame chain to be unwound. In other words, the interpretation
|
|
of arg
|
|
is entirely dependent on the address\-space in use;
|
|
libunwind
|
|
never interprets the argument in any way on its own.
|
|
.PP
|
|
Note that unw_init_remote()
|
|
can be used to initiate unwinding
|
|
in \fIany\fP
|
|
process, including the local process in which the
|
|
unwinder itself is running. However, for local unwinding, it is
|
|
generally preferable to use unw_init_local()
|
|
instead, because
|
|
it is easier to use and because it may perform better.
|
|
.PP
|
|
.SH RETURN VALUE
|
|
|
|
.PP
|
|
On successful completion, unw_init_remote()
|
|
returns 0.
|
|
Otherwise the negative value of one of the error\-codes below is
|
|
returned.
|
|
.PP
|
|
.SH THREAD AND SIGNAL SAFETY
|
|
|
|
.PP
|
|
unw_init_remote()
|
|
is thread\-safe. If the local address\-space
|
|
is passed in argument as,
|
|
this routine is also safe to use from
|
|
a signal handler.
|
|
.PP
|
|
.SH ERRORS
|
|
|
|
.PP
|
|
.TP
|
|
UNW_EINVAL
|
|
unw_init_remote()
|
|
was called in a
|
|
version of libunwind
|
|
which supports local unwinding only
|
|
(this normally happens when defining UNW_LOCAL_ONLY
|
|
before
|
|
including <libunwind.h>
|
|
and then calling
|
|
unw_init_remote()).
|
|
.TP
|
|
UNW_EUNSPEC
|
|
An unspecified error occurred.
|
|
.TP
|
|
UNW_EBADREG
|
|
A register needed by unw_init_remote()
|
|
wasn\&'t accessible.
|
|
.PP
|
|
.SH SEE ALSO
|
|
|
|
.PP
|
|
libunwind(3),
|
|
unw_create_addr_space(3),
|
|
unw_init_local(3)
|
|
.PP
|
|
.SH AUTHOR
|
|
|
|
.PP
|
|
David Mosberger\-Tang
|
|
.br
|
|
Hewlett\-Packard Labs
|
|
.br
|
|
Palo\-Alto, CA 94304
|
|
.br
|
|
Email: \fBdavidm@hpl.hp.com\fP
|
|
.br
|
|
WWW: \fBhttp://www.hpl.hp.com/research/linux/libunwind/\fP\&.
|
|
.\" NOTE: This file is generated, DO NOT EDIT.
|