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cb31498865
This is not yet enabled in the build because I also need to import a new version of libproc. Sponsored by: The FreeBSD Foundation
151 lines
3.7 KiB
C
151 lines
3.7 KiB
C
/*
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* Copyright (c) 2010 The FreeBSD Foundation
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* All rights reserved.
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*
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* This software was developed by Rui Paulo under sponsorship from the
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* FreeBSD Foundation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _RTLD_DB_H_
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#define _RTLD_DB_H_
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#include <sys/param.h>
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#include <sys/cdefs.h>
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#include <sys/types.h>
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#define RD_VERSION 1
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typedef enum {
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RD_OK,
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RD_ERR,
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RD_DBERR,
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RD_NOCAPAB,
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RD_NODYNAM,
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RD_NOBASE,
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RD_NOMAPS
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} rd_err_e;
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typedef struct rd_agent {
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struct proc_handle *rda_php;
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uintptr_t rda_addr; /* address of r_debug_state */
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} rd_agent_t;
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typedef struct rd_loadobj {
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uintptr_t rdl_saddr; /* start address */
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uintptr_t rdl_eaddr; /* end address */
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uint32_t rdl_offset;
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uint8_t rdl_prot;
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#define RD_RDL_R 0x01
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#define RD_RDL_W 0x02
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#define RD_RDL_X 0x04
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enum {
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RDL_TYPE_NONE = 0,
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RDL_TYPE_DEF,
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RDL_TYPE_VNODE,
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RDL_TYPE_SWAP,
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RDL_TYPE_DEV,
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/* XXX some types missing */
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RDL_TYPE_UNKNOWN = 255
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} rdl_type;
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unsigned char rdl_path[PATH_MAX];
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} rd_loadobj_t;
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typedef enum {
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RD_NONE = 0,
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RD_PREINIT,
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RD_POSTINIT,
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RD_DLACTIVITY
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} rd_event_e;
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typedef enum {
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RD_NOTIFY_BPT,
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RD_NOTIFY_AUTOBPT,
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RD_NOTIFY_SYSCALL
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} rd_notify_e;
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typedef struct rd_notify {
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rd_notify_e type;
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union {
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uintptr_t bptaddr;
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long syscallno;
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} u;
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} rd_notify_t;
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typedef enum {
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RD_NOSTATE = 0,
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RD_CONSISTENT,
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RD_ADD,
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RD_DELETE
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} rd_state_e;
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typedef struct rd_event_msg {
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rd_event_e type;
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union {
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rd_state_e state;
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} u;
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} rd_event_msg_t;
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typedef enum {
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RD_RESOLVE_NONE,
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RD_RESOLVE_STEP,
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RD_RESOLVE_TARGET,
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RD_RESOLVE_TARGET_STEP
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} rd_skip_e;
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typedef struct rd_plt_info {
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rd_skip_e pi_skip_method;
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long pi_nstep;
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uintptr_t pi_target;
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uintptr_t pi_baddr;
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unsigned int pi_flags;
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} rd_plt_info_t;
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#define RD_FLG_PI_PLTBOUND 0x0001
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__BEGIN_DECLS
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struct proc_handle;
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void rd_delete(rd_agent_t *);
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const char *rd_errstr(rd_err_e);
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rd_err_e rd_event_addr(rd_agent_t *, rd_event_e, rd_notify_t *);
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rd_err_e rd_event_enable(rd_agent_t *, int);
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rd_err_e rd_event_getmsg(rd_agent_t *, rd_event_msg_t *);
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rd_err_e rd_init(int);
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typedef int rl_iter_f(const rd_loadobj_t *, void *);
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rd_err_e rd_loadobj_iter(rd_agent_t *, rl_iter_f *, void *);
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void rd_log(const int);
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rd_agent_t *rd_new(struct proc_handle *);
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rd_err_e rd_objpad_enable(rd_agent_t *, size_t);
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struct proc;
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rd_err_e rd_plt_resolution(rd_agent_t *, uintptr_t, struct proc *,
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uintptr_t, rd_plt_info_t *);
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rd_err_e rd_reset(rd_agent_t *);
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__END_DECLS
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#endif /* _RTLD_DB_H_ */
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