#include <stdbool.h>
#include <sys/types.h>
+#include <vector>
+
#include "simgrid_config.h"
#include <sys/types.h>
namespace simgrid {
namespace mc {
+struct IgnoredRegion {
+ std::uint64_t addr;
+ size_t size;
+};
+
/** Representation of a process
*/
class Process : public AddressSpace {
public:
Process(pid_t pid, int sockfd);
~Process();
+
+ bool is_self() const
+ {
+ return this->process_flags & MC_PROCESS_SELF_FLAG;
+ }
+
+ // Read memory:
const void* read_bytes(void* buffer, std::size_t size,
remote_ptr<void> address, int process_index = ProcessIndexAny,
- ReadMode mode = Normal) override;
+ ReadMode mode = Normal) const MC_OVERRIDE;
+ void read_variable(const char* name, void* target, size_t size) const;
+ template<class T>
+ T read_variable(const char *name) const
+ {
+ static_assert(std::is_trivial<T>::value, "Cannot read a non-trivial type");
+ T res;
+ read_variable(name, &res, sizeof(T));
+ return res;
+ }
+ char* read_string(remote_ptr<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);
+
+ // Debug information:
+ mc_object_info_t find_object_info(remote_ptr<void> addr) const;
+ mc_object_info_t find_object_info_exec(remote_ptr<void> addr) const;
+ mc_object_info_t find_object_info_rw(remote_ptr<void> addr) const;
+ dw_frame_t find_function(remote_ptr<void> ip) const;
+ dw_variable_t find_variable(const char* name) const;
+
+ // Heap access:
xbt_mheap_t get_heap()
{
if (!(this->cache_flags & MC_PROCESS_CACHE_FLAG_HEAP))
this->refresh_malloc_info();
return this->heap_info;
}
- bool is_self()
+
+ std::vector<IgnoredRegion> const& ignored_regions() const
{
- return this->process_flags & MC_PROCESS_SELF_FLAG;
+ return ignored_regions_;
}
+ void ignore_region(std::uint64_t address, std::size_t size);
+
+ pid_t pid() const { return pid_; }
+
private:
+ void init_memory_map_info();
void refresh_heap();
void refresh_malloc_info();
-public: // to be private
+private:
mc_process_flags_t process_flags;
- pid_t pid;
+ pid_t pid_;
+public: // to be private
int socket;
int status;
bool running;
*/
void* unw_underlying_context;
- xbt_dynar_t checkpoint_ignore;
+private:
+ std::vector<IgnoredRegion> ignored_regions_;
};
-}
-}
-
-SG_BEGIN_DECL()
-
/** Open a FD to a remote process memory (`/dev/$pid/mem`)
*/
-int MC_process_vm_open(pid_t pid, int flags);
+int open_vm(pid_t pid, int flags);
-/* Process memory access: */
-
-static inline
-const void* MC_process_read(mc_process_t process,
- simgrid::mc::AddressSpace::ReadMode mode,
- void* local, const void* remote, size_t len,
- int process_index)
-{
- return process->read_bytes(local, len, (std::uint64_t)remote, process_index, mode);
}
-
-// Simplified versions/wrappers (whould be moved in mc_address_space):
-static inline const void* MC_process_read_simple(mc_process_t process,
- void* local, const void* remote, size_t len)
-{
- return process->read_bytes(local, len, (std::uint64_t)remote);
}
-XBT_INTERNAL const void* MC_process_read_dynar_element(mc_process_t process,
- void* local, const void* remote_dynar, size_t i, size_t len);
-XBT_INTERNAL unsigned long MC_process_read_dynar_length(mc_process_t process,
- const void* remote_dynar);
-
-/** Write data to a process memory
- *
- * @param process the process
- * @param local local memory address (source)
- * @param remote target process memory address (target)
- * @param len data size
- */
-XBT_INTERNAL void MC_process_write(mc_process_t process,
- const void* local, void* remote, size_t len);
-
-XBT_INTERNAL void MC_process_clear_memory(mc_process_t process,
- void* remote, size_t len);
-
-/* Functions, variables of the process: */
-
-XBT_INTERNAL mc_object_info_t MC_process_find_object_info(mc_process_t process, const void* addr);
-XBT_INTERNAL mc_object_info_t MC_process_find_object_info_exec(mc_process_t process, const void* addr);
-XBT_INTERNAL mc_object_info_t MC_process_find_object_info_rw(mc_process_t process, const void* addr);
-
-XBT_INTERNAL dw_frame_t MC_process_find_function(mc_process_t process, const void* ip);
-
-XBT_INTERNAL void MC_process_read_variable(mc_process_t process, const char* name, void* target, size_t size);
-XBT_INTERNAL char* MC_process_read_string(mc_process_t, void* address);
-
-/** Find (one occurence of) the named variable definition
- */
-XBT_INTERNAL dw_variable_t MC_process_find_variable_by_name(mc_process_t process, const char* name);
+SG_BEGIN_DECL()
XBT_INTERNAL void MC_invalidate_cache(void);
