X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/d098dd9e12ee321b061421f535b2b56ce7691673..36fa571a13985879dc627c70ecc2340af606aa42:/src/mc/Frame.hpp

diff --git a/src/mc/Frame.hpp b/src/mc/Frame.hpp
index ee39960531..0cc66304b6 100644
--- a/src/mc/Frame.hpp
+++ b/src/mc/Frame.hpp
@@ -8,31 +8,52 @@
 #define SIMGRID_MC_FRAME_HPP
 
 #include <string>
+#include <cstdint>
 
 #include <xbt/base.h>
+#include <xbt/range.hpp>
 
-#include "src/mc/mc_forward.h"
+#include "src/mc/mc_forward.hpp"
 #include "src/mc/LocationList.hpp"
 #include "src/mc/Variable.hpp"
-#include "src/mc/Frame.hpp"
 
 namespace simgrid {
 namespace mc {
 
+/** Debug information about a given function or scope within a function */
 class Frame {
 public:
   Frame();
 
-  int tag;
+  /** Kind of scope (DW_TAG_subprogram, DW_TAG_inlined_subroutine, etc.) */
+  int tag = DW_TAG_invalid;
+
+  /** Name of the function (if it is a function) */
   std::string name;
-  void *low_pc;
-  void *high_pc;
+
+  /** Range of instruction addresses for which this scope is valid */
+  simgrid::xbt::Range<std::uint64_t> range;
+
   simgrid::dwarf::LocationList frame_base_location;
+
+  /** List of the variables (sorted by name) */
   std::vector<Variable> variables;
-  unsigned long int id; /* DWARF offset of the subprogram */
+
+  /* Unique identifier for this scope (in the object_info)
+   *
+   * This is the global DWARF offset of the DIE. */
+  unsigned long int id = 0;
+
   std::vector<Frame> scopes;
-  unsigned long int abstract_origin_id;
-  simgrid::mc::ObjectInformation* object_info;
+
+  /** Value of `DW_AT_abstract_origin`
+   *
+   *  For inlined subprograms, this is the ID of the
+   *  parent function.
+   */
+  unsigned long int abstract_origin_id = 0;
+
+  simgrid::mc::ObjectInformation* object_info = nullptr;
 
   void* frame_base(unw_cursor_t& unw_cursor) const;
   void remove_variable(char* name);
@@ -42,8 +63,7 @@ inline
 Frame::Frame()
 {
   this->tag = 0;
-  this->low_pc = nullptr;
-  this->high_pc = nullptr;
+  this->range = {0, 0};
   this->id = 0;
   this->abstract_origin_id = 0;
   this->object_info = nullptr;