perf tools: Separate out GTK codes to libperf-gtk.so

Separate out GTK codes to a shared object called libperf-gtk.so.  This
time only GTK codes are built with -fPIC and libperf remains as is.  Now
run GTK hist and annotation browser using libdl.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Reviewed-by: Pekka Enberg <penberg@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1379053663-13706-1-git-send-email-namhyung@kernel.org
[ Fix it up wrt Ingo's tools/perf build speedups ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 23 insertions, 3 deletions

diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index 0393d9800516..94f9a8e78117 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -30,6 +30,7 @@
 #include "util/tool.h"
 #include "arch/common.h"
 
+#include <dlfcn.h>
 #include <linux/bitmap.h>
 
 struct perf_annotate {
@@ -142,8 +143,18 @@ find_next:
 
                 if (use_browser == 2) {
                         int ret;
+                        int (*annotate)(struct hist_entry *he,
+                                        struct perf_evsel *evsel,
+                                        struct hist_browser_timer *hbt);
+
+                        annotate = dlsym(perf_gtk_handle,
+                                         "hist_entry__gtk_annotate");
+                        if (annotate == NULL) {
+                                ui__error("GTK browser not found!\n");
+                                return;
+                        }
 
-                        ret = hist_entry__gtk_annotate(he, evsel, NULL);
+                        ret = annotate(he, evsel, NULL);
                         if (!ret || !ann->skip_missing)
                                 return;
 
@@ -247,8 +258,17 @@ static int __cmd_annotate(struct perf_annotate *ann)
                 goto out_delete;
         }
 
-        if (use_browser == 2)
-                perf_gtk__show_annotations();
+        if (use_browser == 2) {
+                void (*show_annotations)(void);
+
+                show_annotations = dlsym(perf_gtk_handle,
+                                         "perf_gtk__show_annotations");
+                if (show_annotations == NULL) {
+                        ui__error("GTK browser not found!\n");
+                        goto out_delete;
+                }
+                show_annotations();
+        }
 
 out_delete:
         /*