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-rw-r--r--gdb/nat/linux-ptrace.h95
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+/* Copyright (C) 2011-2014 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 COMMON_LINUX_PTRACE_H
+#define COMMON_LINUX_PTRACE_H
+
+struct buffer;
+
+#include <sys/ptrace.h>
+
+#ifdef __UCLIBC__
+#if !(defined(__UCLIBC_HAS_MMU__) || defined(__ARCH_HAS_MMU__))
+/* PTRACE_TEXT_ADDR and friends. */
+#include <asm/ptrace.h>
+#define HAS_NOMMU
+#endif
+#endif
+
+#if !defined(PTRACE_TYPE_ARG3)
+#define PTRACE_TYPE_ARG3 void *
+#endif
+
+#if !defined(PTRACE_TYPE_ARG4)
+#define PTRACE_TYPE_ARG4 void *
+#endif
+
+#ifndef PTRACE_GETSIGINFO
+# define PTRACE_GETSIGINFO 0x4202
+# define PTRACE_SETSIGINFO 0x4203
+#endif /* PTRACE_GETSIGINF */
+
+/* If the system headers did not provide the constants, hard-code the normal
+ values. */
+#ifndef PTRACE_EVENT_FORK
+
+#define PTRACE_SETOPTIONS 0x4200
+#define PTRACE_GETEVENTMSG 0x4201
+
+/* options set using PTRACE_SETOPTIONS */
+#define PTRACE_O_TRACESYSGOOD 0x00000001
+#define PTRACE_O_TRACEFORK 0x00000002
+#define PTRACE_O_TRACEVFORK 0x00000004
+#define PTRACE_O_TRACECLONE 0x00000008
+#define PTRACE_O_TRACEEXEC 0x00000010
+#define PTRACE_O_TRACEVFORKDONE 0x00000020
+#define PTRACE_O_TRACEEXIT 0x00000040
+
+/* Wait extended result codes for the above trace options. */
+#define PTRACE_EVENT_FORK 1
+#define PTRACE_EVENT_VFORK 2
+#define PTRACE_EVENT_CLONE 3
+#define PTRACE_EVENT_EXEC 4
+#define PTRACE_EVENT_VFORK_DONE 5
+#define PTRACE_EVENT_EXIT 6
+
+#endif /* PTRACE_EVENT_FORK */
+
+#if (defined __bfin__ || defined __frv__ || defined __sh__) \
+ && !defined PTRACE_GETFDPIC
+#define PTRACE_GETFDPIC 31
+#define PTRACE_GETFDPIC_EXEC 0
+#define PTRACE_GETFDPIC_INTERP 1
+#endif
+
+/* We can't always assume that this flag is available, but all systems
+ with the ptrace event handlers also have __WALL, so it's safe to use
+ in some contexts. */
+#ifndef __WALL
+#define __WALL 0x40000000 /* Wait for any child. */
+#endif
+
+extern void linux_ptrace_attach_fail_reason (pid_t pid, struct buffer *buffer);
+extern void linux_ptrace_init_warnings (void);
+extern void linux_enable_event_reporting (pid_t pid);
+extern void linux_disable_event_reporting (pid_t pid);
+extern int linux_supports_tracefork (void);
+extern int linux_supports_traceclone (void);
+extern int linux_supports_tracevforkdone (void);
+extern int linux_supports_tracesysgood (void);
+
+#endif /* COMMON_LINUX_PTRACE_H */