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authorCyrille Bagard <nocbos@gmail.com>2015-04-23 23:12:48 (GMT)
committerCyrille Bagard <nocbos@gmail.com>2015-04-23 23:12:48 (GMT)
commit5042737fef27c821535883dadfb0ad9ac81ad294 (patch)
treea2d88567facb59f16d83f6967eafd35f16fcdbbc /src/gtkext/graph/nodes
parent6cbb81bc46347ce969f5bf24a73f08abd009b82b (diff)
Handled a strange case of jump outside the current routine.
git-svn-id: svn://svn.gna.org/svn/chrysalide/trunk@516 abbe820e-26c8-41b2-8c08-b7b2b41f8b0a
Diffstat (limited to 'src/gtkext/graph/nodes')
-rw-r--r--src/gtkext/graph/nodes/flow.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/gtkext/graph/nodes/flow.c b/src/gtkext/graph/nodes/flow.c
index 5ff21c9..558913e 100644
--- a/src/gtkext/graph/nodes/flow.c
+++ b/src/gtkext/graph/nodes/flow.c
@@ -327,6 +327,9 @@ static void g_flow_node_prepare_x_line(GFlowNode *node, GGraphNode *nodes)
{
target = G_FLOW_NODE(find_node_for_instruction(nodes, node->exits[0].instr));
+ /* Cf. commentaire de g_flow_node_link() */
+ if (target == NULL) break;
+
dest_slot = g_flow_node_get_slot(target, true,
last, node->exits[0].group_index);
@@ -335,6 +338,9 @@ static void g_flow_node_prepare_x_line(GFlowNode *node, GGraphNode *nodes)
{
target = G_FLOW_NODE(find_node_for_instruction(nodes, node->exits[1].instr));
+ /* Cf. commentaire de g_flow_node_link() */
+ if (target == NULL) break;
+
dest_slot = g_flow_node_get_slot(target, true,
last, node->exits[1].group_index);
@@ -555,6 +561,13 @@ void g_flow_node_link(GFlowNode *node, GGraphLayout *layout, GGraphNode *nodes)
{
target = G_FLOW_NODE(find_node_for_instruction(nodes, node->exits[i].instr));
+ /**
+ * Il semblerait que l'adresse ciblée puisse ne correspondre à aucun bloc.
+ * Ce serait le cas pour un saut avec __gmon_start__ sous ARM, à confirmer (TODO).
+ * Référence. : http://stackoverflow.com/questions/12697081/what-is-gmon-start-symbol
+ */
+ if (target == NULL) continue;
+
dest_slot = g_flow_node_get_slot(target, true,
last, node->exits[i].group_index);