From: Michael Jeanson <mjeanson@efficios.com>
Date: Wed, 21 Apr 2021 23:19:16 +0000 (-0400)
Subject: Hide symbols that shouldn't be part of the ABI
X-Git-Tag: v2.13.0-rc1~17
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=95fa2ba4fbbfac95bca6f437b2bb4389789b21eb;p=lttng-ust.git

Hide symbols that shouldn't be part of the ABI

Change-Id: I1d3304cb60dddbd8cdb7ec9fdef66326564a3b7c
Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/src/common/ringbuffer/ring_buffer_frontend.c b/src/common/ringbuffer/ring_buffer_frontend.c
index d6f5365c..fa0a984b 100644
--- a/src/common/ringbuffer/ring_buffer_frontend.c
+++ b/src/common/ringbuffer/ring_buffer_frontend.c
@@ -78,6 +78,8 @@
 /*
  * Non-static to ensure the compiler does not optimize away the xor.
  */
+uint8_t lttng_crash_magic_xor[]
+	__attribute__((visibility("hidden")));
 uint8_t lttng_crash_magic_xor[] = RB_CRASH_DUMP_ABI_MAGIC_XOR;
 
 /*
diff --git a/src/common/smp.h b/src/common/smp.h
index 563fe623..5f81094f 100644
--- a/src/common/smp.h
+++ b/src/common/smp.h
@@ -13,7 +13,8 @@
  *
  * If the sysconf call fails, don't populate the cache and return 0.
  */
-int num_possible_cpus(void);
+int num_possible_cpus(void)
+	__attribute__((visibility("hidden")));
 
 #define for_each_possible_cpu(cpu)		\
 	for ((cpu) = 0; (cpu) < num_possible_cpus(); (cpu)++)
diff --git a/src/lib/lttng-ust/lttng-context-ipc-ns.c b/src/lib/lttng-ust/lttng-context-ipc-ns.c
index 96267ef9..f635a230 100644
--- a/src/lib/lttng-ust/lttng-context-ipc-ns.c
+++ b/src/lib/lttng-ust/lttng-context-ipc-ns.c
@@ -121,7 +121,7 @@ void ipc_ns_get_value(void *priv __attribute__((unused)),
 	value->u.u64 = get_ipc_ns();
 }
 
-const struct lttng_ust_ctx_field *ctx_field = lttng_ust_static_ctx_field(
+static const struct lttng_ust_ctx_field *ctx_field = lttng_ust_static_ctx_field(
 	lttng_ust_static_event_field("ipc_ns",
 		lttng_ust_static_type_integer(sizeof(ino_t) * CHAR_BIT,
 				lttng_ust_rb_alignof(ino_t) * CHAR_BIT,
diff --git a/src/lib/lttng-ust/lttng-ust-comm.c b/src/lib/lttng-ust/lttng-ust-comm.c
index 442ca892..dc1b6e37 100644
--- a/src/lib/lttng-ust/lttng-ust-comm.c
+++ b/src/lib/lttng-ust/lttng-ust-comm.c
@@ -264,7 +264,7 @@ struct sock_info {
 };
 
 /* Socket from app (connect) to session daemon (listen) for communication */
-struct sock_info global_apps = {
+static struct sock_info global_apps = {
 	.name = "global",
 	.global = 1,
 
@@ -286,7 +286,7 @@ struct sock_info global_apps = {
 
 /* TODO: allow global_apps_sock_path override */
 
-struct sock_info local_apps = {
+static struct sock_info local_apps = {
 	.name = "local",
 	.global = 0,
 	.root_handle = -1,
diff --git a/src/lib/lttng-ust/lttng-ust-statedump.c b/src/lib/lttng-ust/lttng-ust-statedump.c
index a663487e..fca97d3e 100644
--- a/src/lib/lttng-ust/lttng-ust-statedump.c
+++ b/src/lib/lttng-ust/lttng-ust-statedump.c
@@ -63,7 +63,7 @@ struct lttng_ust_dl_node {
 
 #define UST_DL_STATE_HASH_BITS	8
 #define UST_DL_STATE_TABLE_SIZE	(1 << UST_DL_STATE_HASH_BITS)
-struct cds_hlist_head dl_state_table[UST_DL_STATE_TABLE_SIZE];
+static struct cds_hlist_head dl_state_table[UST_DL_STATE_TABLE_SIZE];
 
 typedef void (*tracepoint_cb)(struct lttng_ust_session *session, void *priv);