X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/fce872a4f145c997f146ea0d098a77549a47bd0b..7d9bf5f4e3d00bbeea1aeef15d46a337c671805b:/src/mc/ObjectInformation.cpp diff --git a/src/mc/ObjectInformation.cpp b/src/mc/ObjectInformation.cpp index 9889f08665..b4c585102e 100644 --- a/src/mc/ObjectInformation.cpp +++ b/src/mc/ObjectInformation.cpp @@ -1,3 +1,13 @@ +/* Copyright (c) 2014-2015. 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. */ + +#include + +#include + #include "src/mc/Frame.hpp" #include "src/mc/ObjectInformation.hpp" #include "src/mc/Variable.hpp" @@ -38,9 +48,9 @@ void *ObjectInformation::base_address() const return nullptr; void *result = this->start_exec; - if (this->start_rw != NULL && result > (void *) this->start_rw) + if (this->start_rw != nullptr && result > (void *) this->start_rw) result = this->start_rw; - if (this->start_ro != NULL && result > (void *) this->start_ro) + if (this->start_ro != nullptr && result > (void *) this->start_ro) result = this->start_ro; return result; } @@ -78,7 +88,7 @@ simgrid::mc::Frame* ObjectInformation::find_function(const void *ip) const * Either we have found the correct function or we do not know * any function corresponding to this instruction address. * Only at the point do we derefernce the function pointer. */ - else if (ip < base[k].function->high_pc) + else if ((std::uint64_t) ip < base[k].function->range.end()) return base[k].function; else return nullptr; @@ -102,36 +112,105 @@ void ObjectInformation::remove_global_variable(const char* name) return; // Binary search: - size_type start = 0; - size_type end = this->global_variables.size() - 1; + size_type first = 0; + size_type last = this->global_variables.size() - 1; - while (start <= end) { - size_type cursor = start + (end - start) / 2; + while (first <= last) { + size_type cursor = first + (last - first) / 2; simgrid::mc::Variable& current_var = this->global_variables[cursor]; int cmp = current_var.name.compare(name); if (cmp == 0) { + // Find the whole range: - start = cursor; - while (start != 0 && this->global_variables[start - 1].name == name) - start--; + size_type first = cursor; + while (first != 0 && this->global_variables[first - 1].name == name) + first--; size_type size = this->global_variables.size(); - end = cursor; - while (end != size - 1 && this->global_variables[end + 1].name == name) - end++; + size_type last = cursor; + while (last != size - 1 && this->global_variables[last + 1].name == name) + last++; + // Remove the whole range: this->global_variables.erase( - this->global_variables.begin() + cursor, - this->global_variables.begin() + end + 1); + this->global_variables.begin() + first, + this->global_variables.begin() + last + 1); + return; } else if (cmp < 0) - start = cursor + 1; + first = cursor + 1; else if (cursor != 0) - end = cursor - 1; + last = cursor - 1; else break; } } +/** \brief Ignore a local variable in a scope + * + * Ignore all instances of variables with a given name in + * any (possibly inlined) subprogram with a given namespaced + * name. + * + * \param var_name Name of the local variable (or parameter to ignore) + * \param subprogram_name Name of the subprogram fo ignore (nullptr for any) + * \param subprogram (possibly inlined) Subprogram of the scope + * \param scope Current scope + */ +static void remove_local_variable(simgrid::mc::Frame& scope, + const char *var_name, + const char *subprogram_name, + simgrid::mc::Frame const& subprogram) +{ + typedef std::vector::size_type size_type; + + // If the current subprogram matches the given name: + if ((subprogram_name == nullptr || + (!subprogram.name.empty() + && subprogram.name == subprogram_name)) + && !scope.variables.empty()) { + + // Try to find the variable and remove it: + size_type start = 0; + size_type end = scope.variables.size() - 1; + + // Binary search: + while (start <= end) { + size_type cursor = start + (end - start) / 2; + simgrid::mc::Variable& current_var = scope.variables[cursor]; + int compare = current_var.name.compare(var_name); + if (compare == 0) { + // Variable found, remove it: + scope.variables.erase(scope.variables.begin() + cursor); + break; + } else if (compare < 0) + start = cursor + 1; + else if (cursor != 0) + end = cursor - 1; + else + break; + } + } + + // And recursive processing in nested scopes: + for (simgrid::mc::Frame& nested_scope : scope.scopes) { + // The new scope may be an inlined subroutine, in this case we want to use its + // namespaced name in recursive calls: + simgrid::mc::Frame const& nested_subprogram = + nested_scope.tag == + DW_TAG_inlined_subroutine ? nested_scope : subprogram; + remove_local_variable(nested_scope, var_name, subprogram_name, + nested_subprogram); + } +} + +void ObjectInformation::remove_local_variable( + const char* var_name, const char* subprogram_name) +{ + for (auto& entry : this->subprograms) + simgrid::mc::remove_local_variable(entry.second, + var_name, subprogram_name, entry.second); +} + } } \ No newline at end of file