94 lines
3.1 KiB
C
94 lines
3.1 KiB
C
/* Code for native debugging support for GNU/Linux (LWP layer).
|
|
|
|
Copyright (C) 2000-2018 Free Software Foundation, Inc.
|
|
|
|
This file is part of GDB.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
|
|
|
#ifndef LINUX_NAT_H
|
|
#define LINUX_NAT_H
|
|
|
|
#include "target/waitstatus.h"
|
|
|
|
struct lwp_info;
|
|
struct arch_lwp_info;
|
|
|
|
/* This is the kernel's hard limit. Not to be confused with SIGRTMIN. */
|
|
#ifndef __SIGRTMIN
|
|
#define __SIGRTMIN 32
|
|
#endif
|
|
|
|
/* Unlike other extended result codes, WSTOPSIG (status) on
|
|
PTRACE_O_TRACESYSGOOD syscall events doesn't return SIGTRAP, but
|
|
instead SIGTRAP with bit 7 set. */
|
|
#define SYSCALL_SIGTRAP (SIGTRAP | 0x80)
|
|
|
|
/* Return the ptid of the current lightweight process. With NPTL
|
|
threads and LWPs map 1:1, so this is equivalent to returning the
|
|
ptid of the current thread. This function must be provided by
|
|
the client. */
|
|
|
|
extern ptid_t current_lwp_ptid (void);
|
|
|
|
/* Function type for the CALLBACK argument of iterate_over_lwps. */
|
|
typedef int (iterate_over_lwps_ftype) (struct lwp_info *lwp, void *arg);
|
|
|
|
/* Iterate over all LWPs. Calls CALLBACK with its second argument set
|
|
to DATA for every LWP in the list. If CALLBACK returns nonzero for
|
|
a particular LWP, return a pointer to the structure describing that
|
|
LWP immediately. Otherwise return NULL. This function must be
|
|
provided by the client. */
|
|
|
|
extern struct lwp_info *iterate_over_lwps (ptid_t filter,
|
|
iterate_over_lwps_ftype callback,
|
|
void *data);
|
|
|
|
/* Return the ptid of LWP. */
|
|
|
|
extern ptid_t ptid_of_lwp (struct lwp_info *lwp);
|
|
|
|
/* Set the architecture-specific data of LWP. This function must be
|
|
provided by the client. */
|
|
|
|
extern void lwp_set_arch_private_info (struct lwp_info *lwp,
|
|
struct arch_lwp_info *info);
|
|
|
|
/* Return the architecture-specific data of LWP. This function must
|
|
be provided by the client. */
|
|
|
|
extern struct arch_lwp_info *lwp_arch_private_info (struct lwp_info *lwp);
|
|
|
|
/* Return nonzero if LWP is stopped, zero otherwise. This function
|
|
must be provided by the client. */
|
|
|
|
extern int lwp_is_stopped (struct lwp_info *lwp);
|
|
|
|
/* Return the reason the LWP last stopped. This function must be
|
|
provided by the client. */
|
|
|
|
extern enum target_stop_reason lwp_stop_reason (struct lwp_info *lwp);
|
|
|
|
/* Cause LWP to stop. This function must be provided by the
|
|
client. */
|
|
|
|
extern void linux_stop_lwp (struct lwp_info *lwp);
|
|
|
|
/* Return nonzero if we are single-stepping this LWP at the ptrace
|
|
level. */
|
|
|
|
extern int lwp_is_stepping (struct lwp_info *lwp);
|
|
|
|
#endif /* LINUX_NAT_H */
|