X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/ea9cce21b6d3f37823143217f1ca183bb2f0c9ac..81c638173fb96d986d183561433ac408f0ea5fcf:/src/mc/mc_object_info.h diff --git a/src/mc/mc_object_info.h b/src/mc/mc_object_info.h index bb5814b375..3516885c2f 100644 --- a/src/mc/mc_object_info.h +++ b/src/mc/mc_object_info.h @@ -1,164 +1,22 @@ -/* Copyright (c) 2007-2014. The SimGrid Team. +/* Copyright (c) 2007-2015. 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. */ -/** file - * Debug information for the MC. - */ +#ifndef SIMGRID_MC_OBJECT_INFO_H +#define SIMGRID_MC_OBJECT_INFO_H -#ifndef MC_OBJECT_INFO_H -#define MC_OBJECT_INFO_H +#include +#include -#include -#include +#include -#include -#include -#include +#include "mc_forward.hpp" +#include "mc_memory_map.h" -#include "mc_forward.h" -#include "mc_location.h" -#include "mc_process.h" -#include "../smpi/private.h" - -SG_BEGIN_DECL(); - -// ***** Type - -typedef int e_dw_type_type; - -struct s_dw_type { - e_dw_type_type type; - Dwarf_Off id; /* Offset in the section (in hexadecimal form) */ - char *name; /* Name of the type */ - int byte_size; /* Size in bytes */ - int element_count; /* Number of elements for array type */ - char *dw_type_id; /* DW_AT_type id */ - xbt_dynar_t members; /* if DW_TAG_structure_type, DW_TAG_class_type, DW_TAG_union_type*/ - int is_pointer_type; - - // Location (for members) is either of: - struct s_mc_expression location; - int offset; - - dw_type_t subtype; // DW_AT_type - dw_type_t full_type; // The same (but more complete) type -}; - -void dw_type_free(dw_type_t t); -void dw_variable_free(dw_variable_t v); -void dw_variable_free_voidp(void *t); - -// ***** Object info - -/** Bit field of options */ -typedef int mc_object_info_flags; -#define MC_OBJECT_INFO_NONE 0 -#define MC_OBJECT_INFO_EXECUTABLE 1 - -struct s_mc_object_info { - mc_object_info_flags flags; - char* file_name; - const void* start, *end; - char *start_exec, *end_exec; // Executable segment - char *start_rw, *end_rw; // Read-write segment - char *start_ro, *end_ro; // read-only segment - xbt_dict_t subprograms; // xbt_dict_t - xbt_dynar_t global_variables; // xbt_dynar_t - xbt_dict_t types; // xbt_dict_t - xbt_dict_t full_types_by_name; // xbt_dict_t (full defined type only) - - // Here we sort the minimal information for an efficient (and cache-efficient) - // lookup of a function given an instruction pointer. - // The entries are sorted by low_pc and a binary search can be used to look them up. - xbt_dynar_t functions_index; -}; - -static inline __attribute__ ((always_inline)) -bool MC_object_info_executable(mc_object_info_t info) -{ - return info->flags & MC_OBJECT_INFO_EXECUTABLE; -} - -static inline __attribute__ ((always_inline)) -bool MC_object_info_is_privatized(mc_object_info_t info) -{ - return info && MC_object_info_executable(info) && smpi_privatize_global_variables; -} - -/** Find the DWARF offset for this ELF object - * - * An offset is applied to address found in DWARF: - * - *
    - *
  • for an executable obejct, addresses are virtual address - * (there is no offset) i.e. \f$\text{virtual address} = \{dwarf address}\f$;
  • - *
  • for a shared object, the addreses are offset from the begining - * of the shared object (the base address of the mapped shared - * object must be used as offset - * i.e. \f$\text{virtual address} = \text{shared object base address} - * + \text{dwarf address}\f$.
  • - * - */ -void* MC_object_base_address(mc_object_info_t info); - -mc_object_info_t MC_new_object_info(void); -mc_object_info_t MC_find_object_info(memory_map_t maps, const char* name, int executable); -void MC_free_object_info(mc_object_info_t* p); - -dw_frame_t MC_file_object_info_find_function(mc_object_info_t info, const void *ip); -dw_variable_t MC_file_object_info_find_variable_by_name(mc_object_info_t info, const char* name); - -void MC_post_process_object_info(mc_process_t process, mc_object_info_t info); - -void MC_dwarf_get_variables(mc_object_info_t info); -void MC_dwarf_get_variables_libdw(mc_object_info_t info); -const char* MC_dwarf_attrname(int attr); -const char* MC_dwarf_tagname(int tag); - -// Not used: -char* get_type_description(mc_object_info_t info, char *type_name); - -void* mc_member_resolve(const void* base, dw_type_t type, dw_type_t member, mc_address_space_t snapshot, int process_index); - -struct s_dw_variable{ - Dwarf_Off dwarf_offset; /* Global offset of the field. */ - int global; - char *name; - char *type_origin; - dw_type_t type; - - // Use either of: - s_mc_location_list_t locations; - void* address; - - size_t start_scope; - mc_object_info_t object_info; - -}; - -struct s_dw_frame{ - int tag; - char *name; - void *low_pc; - void *high_pc; - s_mc_location_list_t frame_base; - xbt_dynar_t /* */ variables; /* Cannot use dict, there may be several variables with the same name (in different lexical blocks)*/ - unsigned long int id; /* DWARF offset of the subprogram */ - xbt_dynar_t /* */ scopes; - Dwarf_Off abstract_origin_id; - mc_object_info_t object_info; -}; - -struct s_mc_function_index_item { - void* low_pc, *high_pc; - dw_frame_t function; -}; - -void mc_frame_free(dw_frame_t freme); - -SG_END_DECL() +XBT_PRIVATE std::shared_ptr MC_find_object_info( + std::vector const& maps, const char* name, int executable); +XBT_PRIVATE void MC_post_process_object_info(simgrid::mc::Process* process, simgrid::mc::ObjectInformation* info); #endif