POBJNAME(3PROC) Process Control Library Functions POBJNAME(3PROC)
NAME
Pobjname,
Pobjname_resolved - turn a virtual address into its mapped object
LIBRARY
Process Control Library (libproc, -lproc)
SYNOPSIS
#include <libproc.h> char * Pobjname(
struct ps_prochandle *P,
uintptr_t addr,
char *buffer,
size_t bufsize);
char * Pobjname_resolved(
struct ps_prochandle *P,
uintptr_t addr,
char *buffer,
size_t bufsize);
DESCRIPTION
The
Pobjname() and
Pobjname_resolved() functions attempt to determine the
underlying mapped object that contains the virtual address
addr in the
process handle
P.
A program consists of multiple memory mappings. Some are provided by the
system, such as the stack and the heap. While others are created through
explicit calls to
mmap(2) or brought in by the run-time link-editor due to
dependencies specified in binaries and libraries.
If
addr is contained in a mapping, then up to
bufsize characters, including
the null terminator, of the name of the corresponding object will be
written into
buffer. The
Pobjname_resolved() function attempts to resolve
the object to a full file system path. If the full file-system path cannot
be determined, then it will fall back to the name that the run-time link-
editor has for that mapping, which is the behavior of
Pobjname().
RETURN VALUES
Upon successful completion, the
Pobjname() and
Pobjname_resolved()
functions return
buffer. Otherwise, NULL is returned to indicate the
object name could not be found.
INTERFACE STABILITY
UncommittedMT-LEVEL See
LOCKING in
libproc(3LIB).
SEE ALSO
mmap(2),
libproc(3LIB),
Pobject_iter(3PROC),
proc(5)illumos May 11, 2016 illumos