X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Flttng-syscall.hpp;fp=src%2Fbin%2Flttng-sessiond%2Flttng-syscall.hpp;h=78691f95dc7eb2c6658c7c32970e605712539422;hp=0000000000000000000000000000000000000000;hb=c9e313bc594f40a86eed237dce222c0fc99c957f;hpb=4878de5c7deb512bbdac4fdfc498907efa06fb7c

diff --git a/src/bin/lttng-sessiond/lttng-syscall.hpp b/src/bin/lttng-sessiond/lttng-syscall.hpp
new file mode 100644
index 000000000..78691f95d
--- /dev/null
+++ b/src/bin/lttng-sessiond/lttng-syscall.hpp
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2014 David Goulet <dgoulet@efficios.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only
+ *
+ */
+
+#ifndef LTTNG_SYSCALL_H
+#define LTTNG_SYSCALL_H
+
+#include <common/hashtable/hashtable.hpp>
+#include <lttng/event.h>
+
+#include "trace-kernel.hpp"
+
+/*
+ * 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(int tracer_fd);
+ssize_t syscall_table_list(struct lttng_event **events);
+
+#endif /* LTTNG_SYSCALL_H */