[deliverable/binutils-gdb.git] / gdb / nat / linux-nat.h

/* Code for native debugging support for GNU/Linux (LWP layer).

   Copyright (C) 2000-2015 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

/* 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);

#endif /* LINUX_NAT_H */
Commit	Line	Data
96d7229d LM	1	/* Code for native debugging support for GNU/Linux (LWP layer).
96d7229d LM	2
32d0add0	3	Copyright (C) 2000-2015 Free Software Foundation, Inc.
96d7229d LM	4
	5	This file is part of GDB.
	6
	7	This program is free software; you can redistribute it and/or modify
	8	it under the terms of the GNU General Public License as published by
	9	the Free Software Foundation; either version 3 of the License, or
	10	(at your option) any later version.
	11
	12	This program is distributed in the hope that it will be useful,
	13	but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	GNU General Public License for more details.
	16
	17	You should have received a copy of the GNU General Public License
	18	along with this program. If not, see <http://www.gnu.org/licenses/>. */
	19
	20	#ifndef LINUX_NAT_H
	21	#define LINUX_NAT_H
	22
	23	/* Unlike other extended result codes, WSTOPSIG (status) on
	24	PTRACE_O_TRACESYSGOOD syscall events doesn't return SIGTRAP, but
	25	instead SIGTRAP with bit 7 set. */
	26	#define SYSCALL_SIGTRAP (SIGTRAP \| 0x80)
	27
7b669087 GB	28	/* Return the ptid of the current lightweight process. With NPTL
	29	threads and LWPs map 1:1, so this is equivalent to returning the
	30	ptid of the current thread. This function must be provided by
	31	the client. */
	32
	33	extern ptid_t current_lwp_ptid (void);
	34
96d7229d	35	#endif /* LINUX_NAT_H */