* under the terms of the license (GNU LGPL) which comes with this package. */
#include "internal_config.h"
-#include "mc_object_info.h"
+#include "mc_dwarf.hpp"
#include "mc/mc_private.h"
#include "smpi/private.h"
#include "mc/mc_snapshot.h"
#include "mc/mc_protocol.h"
#include "mc/mc_client.h"
+#include "mc/Frame.hpp"
+#include "mc/Variable.hpp"
+#include "mc/ObjectInformation.hpp"
+
extern "C" {
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mcer_ignore, mc,
"Logging specific to MC ignore mechanism");
+// ***** Ignore heap chunks
+
extern xbt_dynar_t mc_heap_comparison_ignore;
+void heap_ignore_region_free(mc_heap_ignore_region_t r)
+{
+ xbt_free(r);
+}
+
+void heap_ignore_region_free_voidp(void *r)
+{
+ heap_ignore_region_free((mc_heap_ignore_region_t) * (void **) r);
+}
+
+
void MC_heap_region_ignore_insert(mc_heap_ignore_region_t region)
{
if (mc_heap_comparison_ignore == NULL) {
}
}
+// ***** Ignore global variables
+
+void MCer_ignore_global_variable(const char *name)
+{
+ simgrid::mc::Process* process = &mc_model_checker->process();
+ xbt_assert(!process->object_infos.empty(), "MC subsystem not initialized");
+
+ for (std::shared_ptr<simgrid::mc::ObjectInformation> const& info : process->object_infos) {
+
+ // Binary search:
+ int start = 0;
+ int end = info->global_variables.size() - 1;
+ while (start <= end) {
+ unsigned int cursor = (start + end) / 2;
+ simgrid::mc::Variable* current_var = &info->global_variables[cursor];
+ int cmp = current_var->name.compare(name);
+ if (cmp == 0) {
+ info->global_variables.erase(
+ info->global_variables.begin() + cursor);
+ start = 0;
+ end = info->global_variables.size() - 1;
+ } else if (cmp < 0) {
+ start = cursor + 1;
+ } else {
+ end = cursor - 1;
+ }
+ }
+ }
+}
+
+// ***** Ignore local variables
+
+static void mc_ignore_local_variable_in_scope(const char *var_name,
+ const char *subprogram_name,
+ simgrid::mc::Frame* subprogram,
+ simgrid::mc::Frame* scope);
+static void MC_ignore_local_variable_in_object(const char *var_name,
+ const char *subprogram_name,
+ simgrid::mc::ObjectInformation* info);
+
+void MC_ignore_local_variable(const char *var_name, const char *frame_name)
+{
+ simgrid::mc::Process* process = &mc_model_checker->process();
+ if (strcmp(frame_name, "*") == 0)
+ frame_name = NULL;
+
+ for (std::shared_ptr<simgrid::mc::ObjectInformation> const& info : process->object_infos)
+ MC_ignore_local_variable_in_object(var_name, frame_name, info.get());
+}
+
+static void MC_ignore_local_variable_in_object(const char *var_name,
+ const char *subprogram_name,
+ simgrid::mc::ObjectInformation* info)
+{
+ for (auto& entry : info->subprograms)
+ mc_ignore_local_variable_in_scope(
+ var_name, subprogram_name, &entry.second, &entry.second);
+}
+
+/** \brief Ignore a local variable in a scope
+ *
+ * Ignore all instances of variables with a given name in
+ * any (possibly inlined) subprogram with a given namespaced
+ * name.
+ *
+ * \param var_name Name of the local variable (or parameter to ignore)
+ * \param subprogram_name Name of the subprogram fo ignore (NULL for any)
+ * \param subprogram (possibly inlined) Subprogram of the scope
+ * \param scope Current scope
+ */
+static void mc_ignore_local_variable_in_scope(const char *var_name,
+ const char *subprogram_name,
+ simgrid::mc::Frame* subprogram,
+ simgrid::mc::Frame* scope)
+{
+ // Processing of direct variables:
+
+ // If the current subprogram matches the given name:
+ if (subprogram_name == nullptr ||
+ (!subprogram->name.empty()
+ && subprogram->name == subprogram_name)) {
+
+ // Try to find the variable and remove it:
+ int start = 0;
+ int end = scope->variables.size() - 1;
+
+ // Dichotomic search:
+ while (start <= end) {
+ int cursor = (start + end) / 2;
+ simgrid::mc::Variable* current_var = &scope->variables[cursor];
+
+ int compare = current_var->name.compare(var_name);
+ if (compare == 0) {
+ // Variable found, remove it:
+ scope->variables.erase(scope->variables.begin() + cursor);
+
+ // and start again:
+ start = 0;
+ end = scope->variables.size() - 1;
+ } else if (compare < 0) {
+ start = cursor + 1;
+ } else {
+ end = cursor - 1;
+ }
+ }
+
+ }
+ // And recursive processing in nested scopes:
+ for (simgrid::mc::Frame& nested_scope : scope->scopes) {
+ // The new scope may be an inlined subroutine, in this case we want to use its
+ // namespaced name in recursive calls:
+ simgrid::mc::Frame* nested_subprogram =
+ nested_scope.tag ==
+ DW_TAG_inlined_subroutine ? &nested_scope : subprogram;
+
+ mc_ignore_local_variable_in_scope(var_name, subprogram_name,
+ nested_subprogram, &nested_scope);
+ }
+}
+
+extern xbt_dynar_t stacks_areas;
+
+void MC_stack_area_add(stack_region_t stack_area)
+{
+ if (stacks_areas == NULL)
+ stacks_areas = xbt_dynar_new(sizeof(stack_region_t), NULL);
+ xbt_dynar_push(stacks_areas, &stack_area);
+}
+
}