+/*
+ * This file is part of ltrace.
+ * Copyright (C) 2012,2013 Petr Machata, Red Hat Inc.
+ * Copyright (C) 2009,2010 Joe Damato
+ * Copyright (C) 1998,2002,2008 Juan Cespedes
+ * Copyright (C) 2006 Ian Wienand
+ * Copyright (C) 2006 Steve Fink
+ *
+ * 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 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., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+#ifndef OPTIONS_H
+#define OPTIONS_H
+
#include <stdio.h>
#include <sys/types.h>
+#include <sys/time.h>
+
+#include "forward.h"
+#include "vect.h"
struct options_t {
- int align; /* -a: default alignment column for results */
- char * user; /* -u: username to run command as */
- int syscalls; /* -S: display system calls */
- int libcalls; /* -L: display library calls */
- int demangle; /* -C: demangle low-level names into user-level names */
- int indent; /* -n: indent trace output according to program flow */
- FILE *output; /* output to a specific file */
- int summary; /* count time, calls, and report a summary on program exit */
- int debug; /* debug */
- int arraylen; /* default maximum # of array elements printed */
- int strlen; /* default maximum # of bytes printed in strings */
- int follow; /* trace child processes */
+ int align; /* -a: default alignment column for results */
+ char * user; /* -u: username to run command as */
+ int syscalls; /* -S: display system calls */
+ int demangle; /* -C: demangle low-level names into user-level names */
+ int indent; /* -n: indent trace output according to program flow */
+ FILE *output; /* output to a specific file */
+ int summary; /* count time, calls, and report a summary on program exit */
+ int debug; /* debug */
+ size_t arraylen; /* default maximum # of array elements printed */
+ size_t strlen; /* default maximum # of bytes printed in strings */
+ int follow; /* trace child processes */
+ int no_signals; /* don't print signals */
+#if defined(HAVE_UNWINDER)
+ int bt_depth; /* how may levels of stack frames to show */
+#endif /* defined(HAVE_UNWINDER) */
+ struct filter *plt_filter;
+ struct filter *static_filter;
+
+ /* A filter matching library names of libraries, whose
+ * exported symbols we wish to trace. */
+ struct filter *export_filter;
+
+ int hide_caller; /* Whether caller library should be hidden. */
};
extern struct options_t options;
struct opt_p_t *next;
};
-struct opt_e_t {
- char *name;
- struct opt_e_t *next;
-};
+extern struct opt_p_t *opt_p; /* attach to process with a given pid */
-struct opt_F_t {
- char *filename;
- struct opt_F_t *next;
+enum opt_F_kind {
+ OPT_F_UNKNOWN = 0,
+ OPT_F_BROKEN,
+ OPT_F_FILE,
+ OPT_F_DIR,
};
-struct opt_x_t {
- char *name;
- int found;
- struct opt_x_t *next;
+struct opt_F_t {
+ char *pathname;
+ int own_pathname : 1;
+ enum opt_F_kind kind : 2;
};
-extern struct opt_p_t *opt_p; /* attach to process with a given pid */
+/* If entry->kind is OPT_F_UNKNOWN, figure out whether it should be
+ * OPT_F_FILE or OPT_F_DIR, cache the result, and return it. Return
+ * OPT_F_BROKEN on failure. Error message will have been printed in
+ * that case. */
+enum opt_F_kind opt_F_get_kind(struct opt_F_t *entry);
-extern struct opt_e_t *opt_e; /* list of function names to display */
-extern int opt_e_enable; /* 0 if '!' is used, 1 otherwise */
+/* Destroy and release any memory associated with ENTRY (but don't
+ * free ENTRY itself). */
+void opt_F_destroy(struct opt_F_t *entry);
-extern struct opt_F_t *opt_F; /* alternate configuration file(s) */
+/* PATHS contains colon-separated list of values, akin to enviroment
+ * variables PATH, PYTHONPATH, and others. No escaping is possible.
+ * The list is split and added to VEC, which shall be a vector
+ * initialized like VECT_INIT(VEC, struct opt_F_t); Returns 0 on
+ * success or a negative value on failure. */
+int parse_colon_separated_list(const char *paths, struct vect *vec);
-extern struct opt_x_t *opt_x; /* list of functions to break at */
+/* Vector of struct opt_F_t. */
+extern struct vect opt_F;
extern char **process_options(int argc, char **argv);
+
+#endif /* OPTIONS_H */