/* Machine independent support for SVR4 /proc (process file system) for GDB.
- Copyright 1999 Free Software Foundation, Inc.
+ Copyright (C) 1999-2017 Free Software Foundation, Inc.
-This file is part of GDB.
+ 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 2 of the License, or
-(at your option) any later version.
+ 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.
+ 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, write to the Free Software Foundation,
-Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+/* From proc-why.c */
-extern void
-proc_prettyprint_why (unsigned long why, unsigned long what, int verbose);
+/*
+ * Pretty-print functions for /proc data
+ */
+
+extern void proc_prettyprint_why (unsigned long why, unsigned long what,
+ int verbose);
extern void proc_prettyprint_syscalls (sysset_t *sysset, int verbose);
extern void proc_prettyprint_syscall (int num, int verbose);
-extern void proc_prettyprint_flags (unsigned long flags, int verbose);
+extern void proc_prettyprint_signalset (sigset_t *sigset, int verbose);
+
+extern void proc_prettyprint_signal (int signo, int verbose);
+
+extern void proc_prettyprint_faultset (fltset_t *fltset, int verbose);
+
+extern void proc_prettyprint_fault (int faultno, int verbose);
+
+extern void proc_prettyprint_actionset (struct sigaction *actions,
+ int verbose);
+
+extern void proc_prettyfprint_signalset (FILE *file, sigset_t *sigset,
+ int verbose);
-extern void
-proc_prettyfprint_signalset (FILE *file, sigset_t *sigset, int verbose);
+extern void proc_prettyfprint_faultset (FILE *file, fltset_t *fltset,
+ int verbose);
-extern void
-proc_prettyfprint_faultset (FILE *file, fltset_t *fltset, int verbose);
+extern void proc_prettyfprint_syscall (FILE *file, int num, int verbose);
-extern void
-proc_prettyfprint_syscall (FILE *file, int num, int verbose);
+extern void proc_prettyfprint_signal (FILE *file, int signo, int verbose);
-extern void
-proc_prettyfprint_signal (FILE *file, int signo, int verbose);
+extern void proc_prettyfprint_flags (FILE *file, unsigned long flags,
+ int verbose);
-extern void
-proc_prettyfprint_flags (FILE *file, unsigned long flags, int verbose);
+extern void proc_prettyfprint_why (FILE *file, unsigned long why,
+ unsigned long what, int verbose);
-extern void
-proc_prettyfprint_why (FILE *file, unsigned long why, unsigned long what, int verbose);
+extern void proc_prettyfprint_fault (FILE *file, int faultno, int verbose);
-extern void
-proc_prettyfprint_fault (FILE *file, int faultno, int verbose);
+extern void proc_prettyfprint_syscalls (FILE *file, sysset_t *sysset,
+ int verbose);
+
+extern void proc_prettyfprint_status (long, int, int, int);
+
+
+/* From proc-flags.c */
+
+/*
+ * Pretty-print the prstatus flags.
+ */
+
+extern void proc_prettyprint_flags (unsigned long flags, int verbose);
-extern void
-proc_prettyfprint_syscalls (FILE *file, sysset_t *sysset, int verbose);
+extern void proc_prettyfprint_flags (FILE *file, unsigned long flags,
+ int verbose);
+
+
+/* From proc-api.c */
+
+/*
+ * Trace functions for /proc api.
+ */
+
+extern int write_with_trace (int, void *, size_t, char *, int);
+extern off_t lseek_with_trace (int, off_t, int, char *, int);
+extern int ioctl_with_trace (int, long, void *, char *, int);
+extern pid_t wait_with_trace (int *, char *, int);
+extern int open_with_trace (char *, int, char *, int);
+extern int close_with_trace (int, char *, int);
+extern void procfs_note (char *, char *, int);
+
+#ifdef PROCFS_TRACE
+/*
+ * Debugging code:
+ *
+ * These macros allow me to trace the system calls that we make
+ * to control the child process. This is quite handy for comparing
+ * with the older version of procfs.
+ */
+
+#define write(X,Y,Z) write_with_trace (X, Y, Z, __FILE__, __LINE__)
+#define lseek(X,Y,Z) lseek_with_trace (X, Y, Z, __FILE__, __LINE__)
+#define ioctl(X,Y,Z) ioctl_with_trace (X, Y, Z, __FILE__, __LINE__)
+#define open(X,Y) open_with_trace (X, Y, __FILE__, __LINE__)
+#define close(X) close_with_trace (X, __FILE__, __LINE__)
+#define wait(X) wait_with_trace (X, __FILE__, __LINE__)
+#endif
+#define PROCFS_NOTE(X) procfs_note (X, __FILE__, __LINE__)
+#define PROC_PRETTYFPRINT_STATUS(X,Y,Z,T) \
+ proc_prettyfprint_status (X, Y, Z, T)
+
+/* Define the type (and more importantly the width) of the control
+ word used to write to the /proc/PID/ctl file. */
+#if defined (PROC_CTL_WORD_TYPE)
+typedef PROC_CTL_WORD_TYPE procfs_ctl_t;
+#else
+typedef long procfs_ctl_t;
+#endif