freebsd-src/lib/libproc/libproc.h
John Birrell 144cd58d16 MFC
DTrace support.

Note that this defaults the 'make buildkernel' to build with CTF data so
that the release kernel and modules are DTrace-able.
2008-08-27 04:41:15 +00:00

74 lines
2.7 KiB
C

/*-
* Copyright (c) 2008 John Birrell (jb@freebsd.org)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _LIBPROC_H_
#define _LIBPROC_H_
#include <gelf.h>
struct proc_handle;
typedef void (*proc_child_func)(void *);
/* Values returned by proc_state(). */
#define PS_IDLE 1
#define PS_STOP 2
#define PS_RUN 3
#define PS_UNDEAD 4
#define PS_DEAD 5
#define PS_LOST 6
typedef struct prmap {
uintptr_t pr_vaddr; /* Virtual address. */
} prmap_t;
/* Function prototype definitions. */
__BEGIN_DECLS
const prmap_t *proc_addr2map(struct proc_handle *, uintptr_t);
const prmap_t *proc_name2map(struct proc_handle *, const char *);
char *proc_objname(struct proc_handle *, uintptr_t, char *, size_t);
int proc_addr2sym(struct proc_handle *, uintptr_t, char *, size_t, GElf_Sym *);
int proc_attach(pid_t pid, int flags, struct proc_handle **pphdl);
int proc_continue(struct proc_handle *);
int proc_clearflags(struct proc_handle *, int);
int proc_create(const char *, char * const *, proc_child_func *, void *,
struct proc_handle **);
int proc_detach(struct proc_handle *);
int proc_getflags(struct proc_handle *);
int proc_name2sym(struct proc_handle *, const char *, const char *, GElf_Sym *);
int proc_setflags(struct proc_handle *, int);
int proc_state(struct proc_handle *);
int proc_wait(struct proc_handle *);
pid_t proc_getpid(struct proc_handle *);
void proc_free(struct proc_handle *);
__END_DECLS
#endif /* !_LIBPROC_H_ */