X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/6659e698628302ff3b8663fe612044375e092fe3..27f768c6fbe663c6de000473c44a61222b77d481:/src/mc/Process.hpp

diff --git a/src/mc/Process.hpp b/src/mc/Process.hpp
index af42a12653..62fad58620 100644
--- a/src/mc/Process.hpp
+++ b/src/mc/Process.hpp
@@ -7,33 +7,36 @@
 #ifndef SIMGRID_MC_PROCESS_H
 #define SIMGRID_MC_PROCESS_H
 
-#include <type_traits>
-
-#include <sys/types.h>
+#include <cstdint>
+#include <cstddef>
 
+#include <type_traits>
 #include <vector>
 #include <memory>
 
-#include "simgrid_config.h"
 #include <sys/types.h>
 
+#include <simgrid_config.h>
+
 #include <xbt/base.h>
+#include <xbt/dynar.h>
 #include <xbt/mmalloc.h>
 
 #ifdef HAVE_MC
-#include "xbt/mmalloc/mmprivate.h"
+#include "src/xbt/mmalloc/mmprivate.h"
 #endif
 
 #include <simgrid/simix.h>
-#include "simix/popping_private.h"
-#include "simix/smx_private.h"
+#include "src/simix/popping_private.h"
+#include "src/simix/smx_private.h"
 
-#include "mc_forward.hpp"
-#include "mc_base.h"
-#include "mc_mmalloc.h" // std_heap
-#include "mc_memory_map.h"
-#include "AddressSpace.hpp"
-#include "mc_protocol.h"
+#include "src/xbt/memory_map.hpp"
+
+#include "src/mc/mc_forward.hpp"
+#include "src/mc/mc_base.h"
+#include "src/mc/AddressSpace.hpp"
+#include "src/mc/mc_protocol.h"
+#include "src/mc/ObjectInformation.hpp"
 
 // Those flags are used to track down which cached information
 // is still up to date and which information needs to be updated.
@@ -48,7 +51,14 @@ namespace mc {
 
 struct IgnoredRegion {
   std::uint64_t addr;
-  size_t size;
+  std::size_t size;
+};
+
+struct IgnoredHeapRegion {
+  int block;
+  int fragment;
+  void *address;
+  std::size_t size;
 };
 
 /** Representation of a process
@@ -57,6 +67,7 @@ class Process final : public AddressSpace {
 public:
   Process(pid_t pid, int sockfd);
   ~Process();
+  void init();
 
   Process(Process const&) = delete;
   Process(Process &&) = delete;
@@ -65,8 +76,8 @@ public:
 
   // Read memory:
   const void* read_bytes(void* buffer, std::size_t size,
-    remote_ptr<void> address, int process_index = ProcessIndexAny,
-    ReadMode mode = Normal) const override;
+    RemotePtr<void> address, int process_index = ProcessIndexAny,
+    ReadOptions options = ReadOptions::none()) const override;
   void read_variable(const char* name, void* target, size_t size) const;
   template<class T>
   T read_variable(const char *name) const
@@ -76,17 +87,17 @@ public:
     read_variable(name, &res, sizeof(T));
     return res;
   }
-  char* read_string(remote_ptr<void> address) const;
+  char* read_string(RemotePtr<void> address) const;
 
   // Write memory:
-  void write_bytes(const void* buffer, size_t len, remote_ptr<void> address);
-  void clear_bytes(remote_ptr<void> address, size_t len);
+  void write_bytes(const void* buffer, size_t len, RemotePtr<void> address);
+  void clear_bytes(RemotePtr<void> address, size_t len);
 
   // Debug information:
-  std::shared_ptr<simgrid::mc::ObjectInformation> find_object_info(remote_ptr<void> addr) const;
-  std::shared_ptr<simgrid::mc::ObjectInformation> find_object_info_exec(remote_ptr<void> addr) const;
-  std::shared_ptr<simgrid::mc::ObjectInformation> find_object_info_rw(remote_ptr<void> addr) const;
-  simgrid::mc::Frame* find_function(remote_ptr<void> ip) const;
+  std::shared_ptr<simgrid::mc::ObjectInformation> find_object_info(RemotePtr<void> addr) const;
+  std::shared_ptr<simgrid::mc::ObjectInformation> find_object_info_exec(RemotePtr<void> addr) const;
+  std::shared_ptr<simgrid::mc::ObjectInformation> find_object_info_rw(RemotePtr<void> addr) const;
+  simgrid::mc::Frame* find_function(RemotePtr<void> ip) const;
   simgrid::mc::Variable* find_variable(const char* name) const;
 
   // Heap access:
@@ -94,13 +105,13 @@ public:
   {
     if (!(this->cache_flags & MC_PROCESS_CACHE_FLAG_HEAP))
       this->refresh_heap();
-    return this->heap;
+    return this->heap.get();
   }
   malloc_info* get_malloc_info()
   {
     if (!(this->cache_flags & MC_PROCESS_CACHE_FLAG_MALLOC_INFO))
       this->refresh_malloc_info();
-    return this->heap_info;
+    return this->heap_info.data();
   }
 
   std::vector<IgnoredRegion> const& ignored_regions() const
@@ -111,7 +122,7 @@ public:
 
   pid_t pid() const { return pid_; }
 
-  bool in_maestro_stack(remote_ptr<void> p) const
+  bool in_maestro_stack(RemotePtr<void> p) const
   {
     return p >= this->maestro_stack_start_ && p < this->maestro_stack_end_;
   }
@@ -121,17 +132,11 @@ public:
     return running_;
   }
 
-  void terminate(int status)
+  void terminate()
   {
-    status_ = status;
     running_ = false;
   }
 
-  int status() const
-  {
-    return status_;
-  }
-
   template<class M>
   typename std::enable_if< std::is_class<M>::value && std::is_trivial<M>::value, int >::type
   send_message(M const& m)
@@ -154,21 +159,61 @@ public:
   void reset_soft_dirty();
   void read_pagemap(uint64_t* pagemap, size_t start_page, size_t page_count);
 
+  bool privatized(ObjectInformation const& info) const
+  {
+    return privatized_ && info.executable();
+  }
+  bool privatized() const
+  {
+    return privatized_;
+  }
+  void privatized(bool privatized) { privatized_ = privatized; }
+
+  void ignore_global_variable(const char* name)
+  {
+    for (std::shared_ptr<simgrid::mc::ObjectInformation> const& info :
+        this->object_infos)
+      info->remove_global_variable(name);
+  }
+
+  std::vector<s_stack_region_t>& stack_areas()
+  {
+    return stack_areas_;
+  }
+  std::vector<s_stack_region_t> const& stack_areas() const
+  {
+    return stack_areas_;
+  }
+
+  std::vector<IgnoredHeapRegion> const& ignored_heap() const
+  {
+    return ignored_heap_;
+  }
+  void ignore_heap(IgnoredHeapRegion const& region);
+  void unignore_heap(void *address, size_t size);
+
+  void ignore_local_variable(const char *var_name, const char *frame_name);
+  int socket() { return socket_; }
+
 private:
   void init_memory_map_info();
   void refresh_heap();
   void refresh_malloc_info();
+
 private:
-  pid_t pid_;
-  int socket_;
-  int status_;
-  bool running_;
-  std::vector<VmMap> memory_map_;
-  remote_ptr<void> maestro_stack_start_, maestro_stack_end_;
-  int memory_file;
+  pid_t pid_ = -1;
+  int socket_ = -1;
+  bool running_ = false;
+  std::vector<simgrid::xbt::VmMap> memory_map_;
+  RemotePtr<void> maestro_stack_start_, maestro_stack_end_;
+  int memory_file = -1;
   std::vector<IgnoredRegion> ignored_regions_;
-  int clear_refs_fd_;
-  int pagemap_fd_;
+  int clear_refs_fd_ = -1;
+  int pagemap_fd_ = -1;
+  bool privatized_ = false;
+  std::vector<s_stack_region_t> stack_areas_;
+  std::vector<IgnoredHeapRegion> ignored_heap_;
+
 public: // object info
   // TODO, make private (first, objectify simgrid::mc::ObjectInformation*)
   std::vector<std::shared_ptr<simgrid::mc::ObjectInformation>> object_infos;
@@ -180,16 +225,16 @@ public: // Copies of MCed SMX data structures
    *
    *  See mc_smx.c.
    */
-  xbt_dynar_t smx_process_infos;
+  xbt_dynar_t smx_process_infos = nullptr;
 
   /** Copy of `simix_global->process_to_destroy`
    *
    *  See mc_smx.c.
    */
-  xbt_dynar_t smx_old_process_infos;
+  xbt_dynar_t smx_old_process_infos = nullptr;
 
   /** State of the cache (which variables are up to date) */
-  mc_process_cache_flags_t cache_flags;
+  mc_process_cache_flags_t cache_flags = MC_PROCESS_CACHE_FLAG_NONE;
 
   /** Address of the heap structure in the MCed process. */
   void* heap_address;
@@ -200,7 +245,7 @@ public: // Copies of MCed SMX data structures
    *  This is not used if the process is the current one:
    *  use `get_heap_info()` in order to use it.
    */
-   xbt_mheap_t heap;
+   std::unique_ptr<s_xbt_mheap_t> heap;
 
   /** Copy of the allocation info structure
    *
@@ -208,7 +253,7 @@ public: // Copies of MCed SMX data structures
    *  This is not used if the process is the current one:
    *  use `get_malloc_info()` in order to use it.
    */
-  malloc_info* heap_info;
+  std::vector<malloc_info> heap_info;
 
 public: // Libunwind-data
 
@@ -240,10 +285,4 @@ XBT_PRIVATE int open_vm(pid_t pid, int flags);
 }
 }
 
-SG_BEGIN_DECL()
-
-XBT_PRIVATE void MC_invalidate_cache(void);
-
-SG_END_DECL()
-
 #endif