mirror of
https://github.com/freebsd/freebsd-src
synced 2024-09-06 17:18:32 +00:00
![Pedro F. Giffuni](/assets/img/avatar_default.png)
Lengths are not negative, so map_len should be unsigned. Unsign the corresponding indexes too and bring a small use of reallocarray(3). Reorder the memset to be consistent with the realloc: it appears we were only clearing half the memory in pt_map_thread(). MFC after: 2 weeks
95 lines
2.9 KiB
C
95 lines
2.9 KiB
C
/*
|
|
* Copyright (c) 2004 David Xu <davidxu@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 _LIBPTHREAD_DB_H_
|
|
#define _LIBPTHREAD_DB_H_
|
|
|
|
#include <sys/ucontext.h>
|
|
#include <machine/reg.h>
|
|
|
|
#include "thread_db_int.h"
|
|
|
|
enum pt_type {
|
|
PT_NONE,
|
|
PT_USER,
|
|
PT_LWP
|
|
};
|
|
|
|
struct pt_map {
|
|
enum pt_type type;
|
|
union {
|
|
lwpid_t lwp;
|
|
psaddr_t thr;
|
|
};
|
|
};
|
|
|
|
struct td_thragent {
|
|
TD_THRAGENT_FIELDS;
|
|
psaddr_t libkse_debug_addr;
|
|
psaddr_t thread_list_addr;
|
|
psaddr_t thread_listgen_addr;
|
|
psaddr_t thread_activated_addr;
|
|
psaddr_t thread_active_threads_addr;
|
|
psaddr_t thread_keytable_addr;
|
|
int thread_activated;
|
|
int thread_off_dtv;
|
|
int thread_off_kse_locklevel;
|
|
int thread_off_kse;
|
|
int thread_off_tlsindex;
|
|
int thread_off_attr_flags;
|
|
int thread_size_key;
|
|
int thread_off_tcb;
|
|
int thread_off_linkmap;
|
|
int thread_off_tmbx;
|
|
int thread_off_thr_locklevel;
|
|
int thread_off_next;
|
|
int thread_off_state;
|
|
int thread_max_keys;
|
|
int thread_off_key_allocated;
|
|
int thread_off_key_destructor;
|
|
int thread_state_zoombie;
|
|
int thread_state_running;
|
|
int thread_off_sigmask;
|
|
int thread_off_sigpend;
|
|
struct pt_map *map;
|
|
unsigned int map_len;
|
|
};
|
|
|
|
void pt_md_init(void);
|
|
void pt_reg_to_ucontext(const struct reg *, ucontext_t *);
|
|
void pt_ucontext_to_reg(const ucontext_t *, struct reg *);
|
|
void pt_fpreg_to_ucontext(const struct fpreg *, ucontext_t *);
|
|
void pt_ucontext_to_fpreg(const ucontext_t *, struct fpreg *);
|
|
#ifdef __i386__
|
|
void pt_fxsave_to_ucontext(const char *, ucontext_t *);
|
|
void pt_ucontext_to_fxsave(const ucontext_t *, char *);
|
|
#endif
|
|
int pt_reg_sstep(struct reg *reg, int step);
|
|
|
|
#endif /* _LIBPTHREAD_DB_H_ */
|