X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/d5b29830df70e823202e384a7655e4371193ecd7..d6eb772e45cc853fc204bb5aebeb411cdfa7c929:/src/mc/AddressSpace.hpp diff --git a/src/mc/AddressSpace.hpp b/src/mc/AddressSpace.hpp index c4985e286f..f817bf0d33 100644 --- a/src/mc/AddressSpace.hpp +++ b/src/mc/AddressSpace.hpp @@ -1,5 +1,4 @@ -/* Copyright (c) 2008-2015. The SimGrid Team. - * All rights reserved. */ +/* Copyright (c) 2008-2023. The SimGrid Team. All rights reserved. */ /* This program is free software; you can redistribute it and/or modify it * under the terms of the license (GNU LGPL) which comes with this package. */ @@ -7,36 +6,10 @@ #ifndef SIMGRID_MC_ADDRESS_SPACE_H #define SIMGRID_MC_ADDRESS_SPACE_H -#include -#include -#include -#include -#include - -#include -#include - #include "src/mc/mc_forward.hpp" #include "src/mc/remote/RemotePtr.hpp" -namespace simgrid { -namespace mc { - -/** Process index used when no process is available (SMPI privatization) - * - * The expected behavior is that if a process index is needed it will fail. - * */ -const int ProcessIndexMissing = -1; - -/** Process index used when we don't care about the process index (SMPI privatization) - * */ -const int ProcessIndexDisabled = -2; - -/** Constant used when any process will do (SMPI privatization) - * - * Note: This is is index of the first process. - */ -const int ProcessIndexAny = 0; +namespace simgrid::mc { /** Options for read operations * @@ -45,10 +18,11 @@ const int ProcessIndexAny = 0; * integers are not allowed. */ class ReadOptions { - std::uint32_t value_; + std::uint32_t value_ = 0; constexpr explicit ReadOptions(std::uint32_t value) : value_(value) {} + public: - constexpr ReadOptions() : value_(0) {} + constexpr ReadOptions() = default; explicit constexpr operator bool() const { return value_ != 0; } constexpr bool operator!() const { return value_ == 0; } @@ -82,7 +56,7 @@ public: } ReadOptions& operator^=(ReadOptions const& that) { - value_ &= that.value_; + value_ ^= that.value_; return *this; } @@ -102,58 +76,47 @@ public: * * the current state of an existing process; * * * a snapshot. - * - * In order to support SMPI privatization, the can read the memory from the - * context of a given SMPI process: if specified, the code reads data from the - * correct SMPI privatization VMA. */ class AddressSpace { private: - Process* process_; + RemoteProcessMemory* remote_process_memory_; + public: - explicit AddressSpace(Process* process) : process_(process) {} + explicit AddressSpace(RemoteProcessMemory* process) : remote_process_memory_(process) {} virtual ~AddressSpace() = default; - /** The process of this addres space + /** The process of this address space * - * This is where we can get debug informations, memory layout, etc. + * This is where we can get debug information, memory layout, etc. */ - simgrid::mc::Process* process() const { return process_; } + simgrid::mc::RemoteProcessMemory* get_remote_process_memory() const { return remote_process_memory_; } /** Read data from the address space * * @param buffer target buffer for the data * @param size number of bytes to read * @param address remote source address of the data - * @param process_index which process (used for SMPI privatization) * @param options */ - virtual const void* read_bytes(void* buffer, std::size_t size, - RemotePtr address, int process_index = ProcessIndexAny, - ReadOptions options = ReadOptions::none()) const = 0; + virtual void* read_bytes(void* buffer, std::size_t size, RemotePtr address, + ReadOptions options = ReadOptions::none()) const = 0; /** Read a given data structure from the address space */ - template inline - void read(T *buffer, RemotePtr ptr, int process_index = ProcessIndexAny) const - { - this->read_bytes(buffer, sizeof(T), ptr, process_index); - } + template inline void read(T* buffer, RemotePtr ptr) const { this->read_bytes(buffer, sizeof(T), ptr); } - template inline - void read(Remote& buffer, RemotePtr ptr, int process_index = ProcessIndexAny) const + template inline void read(Remote& buffer, RemotePtr ptr) const { - this->read_bytes(buffer.getBuffer(), sizeof(T), ptr, process_index); + this->read_bytes(buffer.get_buffer(), sizeof(T), ptr); } - /** Read a given data structure from the addres space + /** Read a given data structure from the address space * * This version returns by value. */ - template inline - Remote read(RemotePtr ptr, int process_index = ProcessIndexMissing) const + template inline Remote read(RemotePtr ptr) const { Remote res; - this->read_bytes(&res, sizeof(T), ptr, process_index); + this->read_bytes(&res, sizeof(T), ptr); return res; } @@ -165,10 +128,8 @@ public: this->read_bytes(&res[0], len, address); return res; } - }; -} -} +} // namespace simgrid::mc #endif