mirror of
https://github.com/tobast/libunwind-eh_elf.git
synced 2024-11-22 15:47:37 +01:00
(Logical change 1.133)
This commit is contained in:
hp.com!davidm
parent
96d608b2cc
commit
e6f6a92db1
4 changed files with 274 additions and 0 deletions
|
|
@ -0,0 +1,136 @@
|
|||
'\" t
|
||||
.\" Manual page created with latex2man on Wed Dec 3 16:36:46 PST 2003
|
||||
.\" NOTE: This file is generated, DO NOT EDIT.
|
||||
.de Vb
|
||||
.ft CW
|
||||
.nf
|
||||
..
|
||||
.de Ve
|
||||
.ft R
|
||||
|
||||
.fi
|
||||
..
|
||||
.TH "UNW\\_GET\\_PROC\\_INFO\\_BY\\_IP" "3" "03 December 2003" "Programming Library " "Programming Library "
|
||||
.SH NAME
|
||||
unw_get_proc_info_by_ip
|
||||
\-\- get procedure info by IP
|
||||
.PP
|
||||
.SH SYNOPSIS
|
||||
|
||||
.PP
|
||||
#include <libunwind.h>
|
||||
.br
|
||||
.PP
|
||||
int
|
||||
unw_get_proc_info_by_ip(unw_addr_space_t as,
|
||||
unw_word_t ip,
|
||||
unw_proc_info_t *pip,
|
||||
void *arg);
|
||||
.br
|
||||
.PP
|
||||
.SH DESCRIPTION
|
||||
|
||||
.PP
|
||||
The unw_get_proc_info_by_ip()
|
||||
routine returns the same
|
||||
kind of auxiliary information about a procedure as
|
||||
unw_get_proc_info(),
|
||||
except that the info is looked up by
|
||||
instruction\-pointer (IP) instead of a cursor. This is more flexible
|
||||
because it is possible to look up the info for an arbitrary procedure,
|
||||
even if it is not part of the current call\-chain. However, since it
|
||||
is more flexible, it also tends to run slower (and often much slower)
|
||||
than unw_get_proc_info().
|
||||
.PP
|
||||
The routine expects the followins arguments: as
|
||||
is the
|
||||
address\-space in which the instruction\-pointer should be looked up.
|
||||
For a look\-up in the local address\-space,
|
||||
unw_local_addr_space
|
||||
can be passed for this argument.
|
||||
Argument ip
|
||||
is the instruction\-pointer for which the procedure
|
||||
info should be looked up and pip
|
||||
is a pointer to a structure of
|
||||
type unw_proc_info_t
|
||||
which is used to return the info.
|
||||
Lastly, arg
|
||||
is the address\-space argument that should be used
|
||||
when accessing the address\-space. It has the same purpose as the
|
||||
argument of the same name for unw_init_remote().
|
||||
When
|
||||
accessing the local address\-space (first argument is
|
||||
unw_local_addr_space),
|
||||
NULL
|
||||
must be passed for this
|
||||
argument.
|
||||
.PP
|
||||
Note that for the purposes of libunwind,
|
||||
the code of a
|
||||
procedure is assumed to occupy a single, contiguous range of
|
||||
addresses. For this reason, it is alwas possible to describe the
|
||||
extent of a procedure with the start_ip
|
||||
and end_ip
|
||||
members. If a single function/routine is split into multiple,
|
||||
discontiguous pieces, libunwind
|
||||
will treat each piece as a
|
||||
separate procedure.
|
||||
.PP
|
||||
.SH RETURN VALUE
|
||||
|
||||
.PP
|
||||
On successful completion, unw_get_proc_info_by_ip()
|
||||
returns 0. Otherwise the negative value of one of the error\-codes
|
||||
below is returned.
|
||||
.PP
|
||||
.SH THREAD AND SIGNAL SAFETY
|
||||
|
||||
.PP
|
||||
unw_get_proc_info()
|
||||
is thread\-safe as well as safe to use
|
||||
from a signal handler.
|
||||
.PP
|
||||
.SH ERRORS
|
||||
|
||||
.PP
|
||||
.TP
|
||||
UNW_EUNSPEC
|
||||
An unspecified error occurred.
|
||||
.TP
|
||||
UNW_ENOINFO
|
||||
Libunwind
|
||||
was unable to locate
|
||||
unwind\-info for the procedure.
|
||||
.TP
|
||||
UNW_EBADVERSION
|
||||
The unwind\-info for the procedure has
|
||||
version or format that is not understood by libunwind\&.
|
||||
.PP
|
||||
In addition, unw_get_proc_info()
|
||||
may return any error
|
||||
returned by the access_mem()
|
||||
call\-back (see
|
||||
unw_create_addr_space(3)).
|
||||
.PP
|
||||
.SH SEE ALSO
|
||||
|
||||
.PP
|
||||
libunwind(3),
|
||||
unw_create_addr_space(3),
|
||||
unw_get_proc_name(3),
|
||||
unw_get_proc_info(3),
|
||||
unw_init_remote(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.
|
||||
|
|
@ -0,0 +1,92 @@
|
|||
\documentclass{article}
|
||||
\usepackage[fancyhdr,pdf]{latex2man}
|
||||
|
||||
\input{common.tex}
|
||||
|
||||
\begin{document}
|
||||
|
||||
\begin{Name}{3}{unw\_get\_proc\_info\_by\_ip}{David Mosberger-Tang}{Programming Library}{unw\_get\_proc\_info\_by\_ip}unw\_get\_proc\_info\_by\_ip -- get procedure info by IP
|
||||
\end{Name}
|
||||
|
||||
\section{Synopsis}
|
||||
|
||||
\File{\#include $<$libunwind.h$>$}\\
|
||||
|
||||
\Type{int} \Func{unw\_get\_proc\_info\_by\_ip}(\Type{unw\_addr\_space\_t~}\Var{as}, \Type{unw\_word\_t~}\Var{ip}, \Type{unw\_proc\_info\_t~*}\Var{pip}, \Type{void~*}\Var{arg});\\
|
||||
|
||||
\section{Description}
|
||||
|
||||
The \Func{unw\_get\_proc\_info\_by\_ip}() routine returns the same
|
||||
kind of auxiliary information about a procedure as
|
||||
\Func{unw\_get\_proc\_info}(), except that the info is looked up by
|
||||
instruction-pointer (IP) instead of a cursor. This is more flexible
|
||||
because it is possible to look up the info for an arbitrary procedure,
|
||||
even if it is not part of the current call-chain. However, since it
|
||||
is more flexible, it also tends to run slower (and often much slower)
|
||||
than \Func{unw\_get\_proc\_info}().
|
||||
|
||||
The routine expects the followins arguments: \Var{as} is the
|
||||
address-space in which the instruction-pointer should be looked up.
|
||||
For a look-up in the local address-space,
|
||||
\Var{unw\_local\_addr\_space} can be passed for this argument.
|
||||
Argument \Var{ip} is the instruction-pointer for which the procedure
|
||||
info should be looked up and \Var{pip} is a pointer to a structure of
|
||||
type \Type{unw\_proc\_info\_t} which is used to return the info.
|
||||
Lastly, \Var{arg} is the address-space argument that should be used
|
||||
when accessing the address-space. It has the same purpose as the
|
||||
argument of the same name for \Func{unw\_init\_remote}(). When
|
||||
accessing the local address-space (first argument is
|
||||
\Var{unw\_local\_addr\_space}), \Const{NULL} must be passed for this
|
||||
argument.
|
||||
|
||||
Note that for the purposes of \Prog{libunwind}, the code of a
|
||||
procedure is assumed to occupy a single, contiguous range of
|
||||
addresses. For this reason, it is alwas possible to describe the
|
||||
extent of a procedure with the \Var{start\_ip} and \Var{end\_ip}
|
||||
members. If a single function/routine is split into multiple,
|
||||
discontiguous pieces, \Prog{libunwind} will treat each piece as a
|
||||
separate procedure.
|
||||
|
||||
\section{Return Value}
|
||||
|
||||
On successful completion, \Func{unw\_get\_proc\_info\_by\_ip}()
|
||||
returns 0. Otherwise the negative value of one of the error-codes
|
||||
below is returned.
|
||||
|
||||
\section{Thread and Signal Safety}
|
||||
|
||||
\Func{unw\_get\_proc\_info}() is thread-safe as well as safe to use
|
||||
from a signal handler.
|
||||
|
||||
\section{Errors}
|
||||
|
||||
\begin{Description}
|
||||
\item[\Const{UNW\_EUNSPEC}] An unspecified error occurred.
|
||||
\item[\Const{UNW\_ENOINFO}] \Prog{Libunwind} was unable to locate
|
||||
unwind-info for the procedure.
|
||||
\item[\Const{UNW\_EBADVERSION}] The unwind-info for the procedure has
|
||||
version or format that is not understood by \Prog{libunwind}.
|
||||
\end{Description}
|
||||
In addition, \Func{unw\_get\_proc\_info}() may return any error
|
||||
returned by the \Func{access\_mem}() call-back (see
|
||||
\Func{unw\_create\_addr\_space}(3)).
|
||||
|
||||
\section{See Also}
|
||||
|
||||
\SeeAlso{libunwind(3)},
|
||||
\SeeAlso{unw\_create\_addr\_space(3)},
|
||||
\SeeAlso{unw\_get\_proc\_name(3)},
|
||||
\SeeAlso{unw\_get\_proc\_info(3)},
|
||||
\SeeAlso{unw\_init\_remote(3)}
|
||||
|
||||
\section{Author}
|
||||
|
||||
\noindent
|
||||
David Mosberger-Tang\\
|
||||
Hewlett-Packard Labs\\
|
||||
Palo-Alto, CA 94304\\
|
||||
Email: \Email{davidm@hpl.hp.com}\\
|
||||
WWW: \URL{http://www.hpl.hp.com/research/linux/libunwind/}.
|
||||
\LatexManEnd
|
||||
|
||||
\end{document}
|
||||
|
|
@ -0,0 +1,41 @@
|
|||
/* libunwind - a platform-independent unwind library
|
||||
Copyright (C) 2003 Hewlett-Packard Co
|
||||
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
|
||||
|
||||
This file is part of libunwind.
|
||||
|
||||
Permission is hereby granted, free of charge, to any person obtaining
|
||||
a copy of this software and associated documentation files (the
|
||||
"Software"), to deal in the Software without restriction, including
|
||||
without limitation the rights to use, copy, modify, merge, publish,
|
||||
distribute, sublicense, and/or sell copies of the Software, and to
|
||||
permit persons to whom the Software is furnished to do so, subject to
|
||||
the following conditions:
|
||||
|
||||
The above copyright notice and this permission notice shall be
|
||||
included in all copies or substantial portions of the Software.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
||||
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
||||
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
||||
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
||||
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
||||
|
||||
#include <libunwind.h>
|
||||
|
||||
#include "internal.h"
|
||||
#include "tdep.h"
|
||||
|
||||
int
|
||||
unw_get_proc_info_by_ip (unw_addr_space_t as, unw_word_t ip,
|
||||
unw_proc_info_t *pi, void *as_arg)
|
||||
{
|
||||
int ret;
|
||||
|
||||
ret = unwi_find_dynamic_proc_info (as, ip, pi, 0, as_arg);
|
||||
if (ret == -UNW_ENOINFO)
|
||||
ret = tdep_find_proc_info (as, ip, pi, 0, as_arg);
|
||||
return ret;
|
||||
}
|
||||
|
|
@ -0,0 +1,5 @@
|
|||
#define UNW_LOCAL_ONLY
|
||||
#include <libunwind.h>
|
||||
#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
|
||||
#include "Gget_proc_info_by_ip.c"
|
||||
#endif
|
||||
Loading…
Reference in a new issue