X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/a9c1799a01ac7a24338877a8e9d321450aa8f082..ce81107755533b85687d863b44b9163108ee6c66:/src/mc/mc_process.h diff --git a/src/mc/mc_process.h b/src/mc/mc_process.h deleted file mode 100644 index 4c21485e82..0000000000 --- a/src/mc/mc_process.h +++ /dev/null @@ -1,257 +0,0 @@ -/* Copyright (c) 2008-2015. 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. */ - -#ifndef SIMGRID_MC_PROCESS_H -#define SIMGRID_MC_PROCESS_H - -#include - -#include - -#include -#include - -#include "simgrid_config.h" -#include - -#include -#include - -#ifdef HAVE_MC -#include "xbt/mmalloc/mmprivate.h" -#endif - -#include -#include "simix/popping_private.h" -#include "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" - -typedef int mc_process_flags_t; -#define MC_PROCESS_NO_FLAG 0 -#define MC_PROCESS_SELF_FLAG 1 - -// Those flags are used to track down which cached information -// is still up to date and which information needs to be updated. -typedef int mc_process_cache_flags_t; -#define MC_PROCESS_CACHE_FLAG_NONE 0 -#define MC_PROCESS_CACHE_FLAG_HEAP 1 -#define MC_PROCESS_CACHE_FLAG_MALLOC_INFO 2 -#define MC_PROCESS_CACHE_FLAG_SIMIX_PROCESSES 4 - -typedef struct s_mc_smx_process_info s_mc_smx_process_info_t, *mc_smx_process_info_t; - -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 address, int process_index = ProcessIndexAny, - ReadMode mode = Normal) const override; - void read_variable(const char* name, void* target, size_t size) const; - template - T read_variable(const char *name) const - { - static_assert(std::is_trivial::value, "Cannot read a non-trivial type"); - T res; - read_variable(name, &res, sizeof(T)); - return res; - } - char* read_string(remote_ptr address) const; - - // Write memory: - void write_bytes(const void* buffer, size_t len, remote_ptr address); - void clear_bytes(remote_ptr address, size_t len); - - // Debug information: - std::shared_ptr find_object_info(remote_ptr addr) const; - std::shared_ptr find_object_info_exec(remote_ptr addr) const; - std::shared_ptr find_object_info_rw(remote_ptr addr) const; - simgrid::mc::Frame* find_function(remote_ptr ip) const; - simgrid::mc::Variable* find_variable(const char* name) const; - - // Heap access: - xbt_mheap_t get_heap() - { - if (!(this->cache_flags & MC_PROCESS_CACHE_FLAG_HEAP)) - this->refresh_heap(); - return this->heap; - } - malloc_info* get_malloc_info() - { - if (!(this->cache_flags & MC_PROCESS_CACHE_FLAG_MALLOC_INFO)) - this->refresh_malloc_info(); - return this->heap_info; - } - - std::vector const& ignored_regions() const - { - return ignored_regions_; - } - void ignore_region(std::uint64_t address, std::size_t size); - - pid_t pid() const { return pid_; } - - bool in_maestro_stack(remote_ptr p) const - { - return p >= this->maestro_stack_start_ && p < this->maestro_stack_end_; - } - - bool running() const - { - return running_; - } - - void terminate(int status) - { - status_ = status; - running_ = false; - } - - int status() const - { - return status_; - } - - template - typename std::enable_if< std::is_class::value && std::is_trivial::value, int >::type - send_message(M const& m) - { - return MC_protocol_send(this->socket_, &m, sizeof(M)); - } - - int send_message(e_mc_message_type message_id) - { - return MC_protocol_send_simple_message(this->socket_, message_id); - } - - template - typename std::enable_if< std::is_class::value && std::is_trivial::value, ssize_t >::type - receive_message(M& m) - { - return MC_receive_message(this->socket_, &m, sizeof(M), 0); - } - - void reset_soft_dirty(); - void read_pagemap(uint64_t* pagemap, size_t start_page, size_t page_count); - -private: - void init_memory_map_info(); - void refresh_heap(); - void refresh_malloc_info(); -private: - mc_process_flags_t process_flags; - pid_t pid_; - int socket_; - int status_; - bool running_; - std::vector memory_map_; - remote_ptr maestro_stack_start_, maestro_stack_end_; - int memory_file; - std::vector ignored_regions_; - int clear_refs_fd_; - int pagemap_fd_; -public: // object info - // TODO, make private (first, objectify simgrid::mc::ObjectInformation*) - std::vector> object_infos; - std::shared_ptr libsimgrid_info; - std::shared_ptr binary_info; - -public: // Copies of MCed SMX data structures - /** Copy of `simix_global->process_list` - * - * See mc_smx.c. - */ - xbt_dynar_t smx_process_infos; - - /** Copy of `simix_global->process_to_destroy` - * - * See mc_smx.c. - */ - xbt_dynar_t smx_old_process_infos; - - /** State of the cache (which variables are up to date) */ - mc_process_cache_flags_t cache_flags; - - /** Address of the heap structure in the MCed process. */ - void* heap_address; - - /** Copy of the heap structure of the process - * - * This is refreshed with the `MC_process_refresh` call. - * This is not used if the process is the current one: - * use `get_heap_info()` in order to use it. - */ - xbt_mheap_t heap; - - /** Copy of the allocation info structure - * - * This is refreshed with the `MC_process_refresh` call. - * This is not used if the process is the current one: - * use `get_malloc_info()` in order to use it. - */ - malloc_info* heap_info; - -public: // Libunwind-data - - /** Full-featured MC-aware libunwind address space for the process - * - * This address space is using a mc_unw_context_t - * (with simgrid::mc::Process* / simgrid::mc::AddressSpace* - * and unw_context_t). - */ - unw_addr_space_t unw_addr_space; - - /** Underlying libunwind addres-space - * - * The `find_proc_info`, `put_unwind_info`, `get_dyn_info_list_addr` - * operations of the native MC address space is currently delegated - * to this address space (either the local or a ptrace unwinder). - */ - unw_addr_space_t unw_underlying_addr_space; - - /** The corresponding context - */ - void* unw_underlying_context; -}; - -/** Open a FD to a remote process memory (`/dev/$pid/mem`) - */ -XBT_PRIVATE int open_vm(pid_t pid, int flags); - -} -} - -SG_BEGIN_DECL() - -XBT_PRIVATE void MC_invalidate_cache(void); - -SG_END_DECL() - -#endif