Mercurial > octave-libtiff
view libinterp/corefcn/dynamic-ld.cc @ 31185:a1145ac2ce9b
Tiff: populated TagID from the C++ map to avoid having two copies
* __tiff__.cc (F__tiff_make_tagid__): implemented internal function as
initializer for TagID.
* Tiff.m: changed the initialization for TagID to use the internal function.
author | magedrifaat <magedrifaat@gmail.com> |
---|---|
date | Thu, 18 Aug 2022 17:23:43 +0200 |
parents | 796f54d4ddbf |
children |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 1993-2022 The Octave Project Developers // // See the file COPYRIGHT.md in the top-level directory of this // distribution or <https://octave.org/copyright/>. // // This file is part of Octave. // // Octave is free software: you can redistribute it and/or modify it // under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // Octave is distributed in the hope that it will be useful, but // WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with Octave; see the file COPYING. If not, see // <https://www.gnu.org/licenses/>. // //////////////////////////////////////////////////////////////////////// #if defined (HAVE_CONFIG_H) # include "config.h" #endif #include <iostream> #include <list> #include "file-stat.h" #include "oct-env.h" #include "oct-time.h" #include "defun.h" #include "dynamic-ld.h" #include "interpreter-private.h" #include "interpreter.h" #include "ov-fcn.h" #include "ov-dld-fcn.h" #include "ov-mex-fcn.h" #include "parse.h" #include "unwind-prot.h" #include "utils.h" #include "variables.h" #define STRINGIFY(s) STRINGIFY1(s) #define STRINGIFY1(s) #s namespace octave { void dynamic_loader::shlibs_list::append (const dynamic_library& shl) { m_lib_list.push_back (shl); } std::list<std::string> dynamic_loader::shlibs_list::remove (dynamic_library& shl) { std::list<std::string> removed_fcns; for (auto p = m_lib_list.begin (); p != m_lib_list.end (); p++) { if (*p == shl) { m_lib_list.erase (p); removed_fcns = shl.close (); break; } } return removed_fcns; } dynamic_library dynamic_loader::shlibs_list::find_file (const std::string& file_name) const { dynamic_library retval; for (const auto& lib : m_lib_list) { if (lib.file_name () == file_name) { retval = lib; break; } } return retval; } void dynamic_loader::shlibs_list::display (void) const { std::cerr << "current shared libraries:" << std::endl; for (const auto& lib : m_lib_list) std::cerr << " " << lib.file_name () << std::endl; } void dynamic_loader::clear_function (const std::string& fcn_name) { warning_with_id ("Octave:reload-forces-clear", " %s", fcn_name.c_str ()); // FIXME: is there a way to avoid this? Can we manage the list of // functions that are loaded in the symbol table completely outside // of the dynamic_loader class? symbol_table& symtab = m_interpreter.get_symbol_table (); symtab.clear_dld_function (fcn_name); } void dynamic_loader::clear (dynamic_library& oct_file) { if (oct_file.number_of_functions_loaded () > 1) { warning_with_id ("Octave:reload-forces-clear", "reloading %s clears the following functions:", oct_file.file_name ().c_str ()); std::list<std::string> removed_fcns = m_loaded_shlibs.remove (oct_file); for (const auto& fcn_name : removed_fcns) clear_function (fcn_name); } else { std::list<std::string> removed_fcns = m_loaded_shlibs.remove (oct_file); // FIXME: is there a way to avoid this? Can we manage the list // of functions that are loaded in the symbol table completely // outside of the dynamic_loader class? symbol_table& symtab = m_interpreter.get_symbol_table (); for (const auto& fcn_name : removed_fcns) symtab.clear_dld_function (fcn_name); } } octave_function * dynamic_loader::load_oct (const std::string& fcn_name, const std::string& file_name, bool relative) { octave_function *retval = nullptr; unwind_protect_var<bool> restore_var (m_doing_load, true); dynamic_library oct_file = m_loaded_shlibs.find_file (file_name); if (oct_file && oct_file.is_out_of_date ()) clear (oct_file); if (! oct_file) { oct_file.open (file_name); if (oct_file) m_loaded_shlibs.append (oct_file); } if (! oct_file) error ("%s is not a valid shared library", file_name.c_str ()); void *function = oct_file.search (fcn_name, name_mangler); if (! function) { // FIXME: can we determine this C mangling scheme // automatically at run time or configure time? function = oct_file.search (fcn_name, name_uscore_mangler); } if (function) { octave_dld_fcn_getter f = reinterpret_cast<octave_dld_fcn_getter> (function); retval = f (oct_file, relative); if (! retval) error ("failed to install .oct file function '%s'", fcn_name.c_str ()); } return retval; } void * dynamic_loader::try_load_mex (dynamic_library& mex_file, const std::string& fcn_name, bool& have_fmex) { // FCN_NAME is not used here, the mangler functions always return // some form of "mexFunction". have_fmex = false; void *function = mex_file.search (fcn_name, mex_mangler); if (! function) { // FIXME: Can we determine this C mangling scheme // automatically at run time or configure time? function = mex_file.search (fcn_name, mex_uscore_mangler); if (! function) { function = mex_file.search (fcn_name, mex_f77_mangler); if (function) have_fmex = true; } } return function; } octave_function * dynamic_loader::load_mex (const std::string& fcn_name, const std::string& file_name, bool /*relative*/) { unwind_protect_var<bool> restore_var (m_doing_load, true); dynamic_library mex_file = m_loaded_shlibs.find_file (file_name); if (mex_file && mex_file.is_out_of_date ()) clear (mex_file); if (! mex_file) { mex_file.open (file_name); if (mex_file) m_loaded_shlibs.append (mex_file); } if (! mex_file) error ("%s is not a valid shared library", file_name.c_str ()); bool have_fmex = false; void *function = try_load_mex (mex_file, fcn_name, have_fmex); if (! function) error ("failed to install .mex file function '%s'", fcn_name.c_str ()); void *symbol = mex_file.search ("__mx_has_interleaved_complex__"); bool interleaved = symbol != nullptr; return new octave_mex_function (function, interleaved, have_fmex, mex_file, fcn_name); } bool dynamic_loader::remove_oct (const std::string& fcn_name, dynamic_library& shl) { bool retval = false; // We don't need to do anything if this is called because we are in // the process of reloading a .oct file that has changed. if (! m_doing_load) { retval = shl.remove (fcn_name); if (shl.number_of_functions_loaded () == 0) m_loaded_shlibs.remove (shl); } return retval; } bool dynamic_loader::remove_mex (const std::string& fcn_name, dynamic_library& shl) { // Use the same procedure as for oct files. return remove_oct (fcn_name, shl); } std::string dynamic_loader::name_mangler (const std::string& name) { return 'G' + name; } std::string dynamic_loader::name_uscore_mangler (const std::string& name) { return "_G" + name; } std::string dynamic_loader::mex_mangler (const std::string&) { return "mexFunction"; } std::string dynamic_loader::mex_uscore_mangler (const std::string&) { return "_mexFunction"; } std::string dynamic_loader::mex_f77_mangler (const std::string&) { return STRINGIFY (F77_FUNC (mexfunction, MEXFUNCTION)); } }