Add empty plug-in hooks to prevent their elimination by the linker

[babeltrace.git] / converter / babeltrace.c

diff --git a/converter/babeltrace.c b/converter/babeltrace.c
index a6ad5901e300fc4d582f3d55ac7974d08249c2a2..14d165ad915849ec7f407a0acc7a1fd9ce5a1f06 100644 (file)
--- a/converter/babeltrace.c
+++ b/converter/babeltrace.c
@@ -36,7 +36,7 @@
 #include <babeltrace/ctf/events-internal.h>
 #include <babeltrace/ctf/iterator.h>
 #include <babeltrace/ctf-text/types.h>
-#include <babeltrace/debuginfo.h>
+#include <babeltrace/debug-info.h>
 
 #include <babeltrace/iterator.h>
 #include <popt.h>
@@ -76,6 +76,12 @@ static int opt_stream_intersection;
 
 static struct bt_format *fmt_read;
 
+void bt_dummy_hook(void);
+void bt_lttng_live_hook(void);
+void bt_ctf_hook(void);
+void bt_ctf_text_hook(void);
+void bt_ctf_metadata_hook(void);
+
 static
 void strlower(char *str)
 {
@@ -107,6 +113,7 @@ enum {
        OPT_STREAM_INTERSECTION,
        OPT_DEBUG_INFO_DIR,
        OPT_DEBUG_INFO_FULL_PATH,
+       OPT_DEBUG_INFO_TARGET_PREFIX,
 };
 
 /*
@@ -137,9 +144,10 @@ static struct poptOption long_options[] = {
        { "clock-gmt", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_GMT, NULL, NULL },
        { "clock-force-correlate", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_FORCE_CORRELATE, NULL, NULL },
        { "stream-intersection", 0, POPT_ARG_NONE, NULL, OPT_STREAM_INTERSECTION, NULL, NULL },
-#ifdef ENABLE_DEBUGINFO
+#ifdef ENABLE_DEBUG_INFO
        { "debug-info-dir", 0, POPT_ARG_STRING, NULL, OPT_DEBUG_INFO_DIR, NULL, NULL },
        { "debug-info-full-path", 0, POPT_ARG_NONE, NULL, OPT_DEBUG_INFO_FULL_PATH, NULL, NULL },
+       { "debug-info-target-prefix", 0, POPT_ARG_STRING, NULL, OPT_DEBUG_INFO_TARGET_PREFIX, NULL, NULL },
 #endif
        { NULL, 0, 0, NULL, 0, NULL, NULL },
 };
@@ -187,9 +195,10 @@ static void usage(FILE *fp)
        fprintf(fp, "      --clock-force-correlate    Assume that clocks are inherently correlated\n");
        fprintf(fp, "                                 across traces.\n");
        fprintf(fp, "      --stream-intersection      Only print events when all streams are active.\n");
-#ifdef ENABLE_DEBUGINFO
+#ifdef ENABLE_DEBUG_INFO
        fprintf(fp, "      --debug-info-dir           Directory in which to look for debugging information\n");
        fprintf(fp, "                                 files. (default: /usr/lib/debug/)\n");
+       fprintf(fp, "      --debug-info-target-prefix Directory to use as a prefix for executable lookup\n");
        fprintf(fp, "      --debug-info-full-path     Show full debug info source and binary paths (if available)\n");
 #endif
        list_formats(fp);
@@ -424,6 +433,13 @@ static int parse_options(int argc, char **argv)
                case OPT_DEBUG_INFO_FULL_PATH:
                        opt_debug_info_full_path = 1;
                        break;
+               case OPT_DEBUG_INFO_TARGET_PREFIX:
+                       opt_debug_info_target_prefix = (char *) poptGetOptArg(pc);
+                       if (!opt_debug_info_target_prefix) {
+                               ret = -EINVAL;
+                               goto end;
+                       }
+                       break;
                default:
                        ret = -EINVAL;
                        goto end;
@@ -693,6 +709,15 @@ error_iter:
        return ret;
 }
 
+void call_plugins_hooks(void)
+{
+       bt_dummy_hook();
+       bt_lttng_live_hook();
+       bt_ctf_hook();
+       bt_ctf_text_hook();
+       bt_ctf_metadata_hook();
+}
+
 int main(int argc, char **argv)
 {
        int ret, partial_error = 0, open_success = 0;
@@ -701,6 +726,8 @@ int main(int argc, char **argv)
        struct bt_context *ctx;
        int i;
 
+       call_plugins_hooks();
+
        opt_input_paths = g_ptr_array_new();
 
        ret = parse_options(argc, argv);
@@ -844,6 +871,7 @@ end:
        free(opt_output_format);
        free(opt_output_path);
        free(opt_debug_info_dir);
+       free(opt_debug_info_target_prefix);
        g_ptr_array_free(opt_input_paths, TRUE);
        if (partial_error)
                exit(EXIT_FAILURE);