X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Flttng-syscall.h;fp=src%2Fbin%2Flttng-sessiond%2Flttng-syscall.h;h=a2708619c1357ff40c0bde20b112d25e5213e673;hb=0dbc2034c9571ec342d382bf87231775563f8624;hp=0000000000000000000000000000000000000000;hpb=36e6632013ee40eabfbe50db19ebd8e606ba0204;p=lttng-tools.git

diff --git a/src/bin/lttng-sessiond/lttng-syscall.h b/src/bin/lttng-sessiond/lttng-syscall.h
new file mode 100644
index 000000000..a2708619c
--- /dev/null
+++ b/src/bin/lttng-sessiond/lttng-syscall.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2014 - David Goulet <dgoulet@efficios.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License, version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef LTTNG_SYSCALL_H
+#define LTTNG_SYSCALL_H
+
+#include <common/hashtable/hashtable.h>
+#include <lttng/event.h>
+
+#include "trace-kernel.h"
+
+/*
+ * Default size of the kernel system call array. With this size, we usually
+ * reallocate twice considering a 32 bit compat layer also.
+ */
+#define SYSCALL_TABLE_INIT_SIZE    256
+
+/* Maximum length of a syscall name. */
+#define SYSCALL_NAME_LEN           255
+
+/*
+ * Represent a kernel syscall and used when we are populating the internal
+ * list.
+ */
+struct syscall {
+	uint32_t index;
+	uint32_t bitness;
+	char name[SYSCALL_NAME_LEN];
+	/* Used by the list syscalls command. */
+	struct lttng_ht_node_str node;
+};
+
+/*
+ * Allocated once when listing all syscalls at boot time. This is an array
+ * indexed by the syscall index provided in the listing.
+ */
+extern struct syscall *syscall_table;
+
+/* Use to list kernel system calls. */
+int syscall_init_table(void);
+ssize_t syscall_table_list(struct lttng_event **events);
+
+#endif /* LTTNG_SYSCALL_H */