mirror of https://github.com/YosysHQ/yosys.git
118 lines
3.4 KiB
C++
118 lines
3.4 KiB
C++
/*
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* yosys -- Yosys Open SYnthesis Suite
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*
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* Copyright (C) 2014 Clifford Wolf <clifford@clifford.at>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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#include "kernel/yosys.h"
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#include <dlfcn.h>
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YOSYS_NAMESPACE_BEGIN
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std::map<std::string, void*> loaded_plugins;
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std::map<std::string, std::string> loaded_plugin_aliases;
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void load_plugin(std::string filename, std::vector<std::string> aliases)
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{
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if (filename.find('/') == std::string::npos)
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filename = "./" + filename;
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if (!loaded_plugins.count(filename)) {
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void *hdl = dlopen(filename.c_str(), RTLD_LAZY|RTLD_LOCAL);
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if (hdl == NULL)
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log_cmd_error("Can't load module `%s': %s\n", filename.c_str(), dlerror());
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loaded_plugins[filename] = hdl;
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Pass::init_register();
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}
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for (auto &alias : aliases)
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loaded_plugin_aliases[alias] = filename;
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}
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struct PluginPass : public Pass {
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PluginPass() : Pass("plugin", "load and list loaded plugins") { }
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virtual void help()
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{
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// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
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log("\n");
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log(" plugin [options]\n");
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log("\n");
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log("Load and list loaded plugins.\n");
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log("\n");
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log(" -i <plugin_filename>\n");
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log(" Load (install) the specified plugin.\n");
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log("\n");
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log(" -a <alias_name>\n");
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log(" Register the specified alias name for the loaded plugin\n");
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log("\n");
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log(" -l\n");
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log(" List loaded plugins\n");
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log("\n");
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}
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virtual void execute(std::vector<std::string> args, RTLIL::Design *design)
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{
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std::string plugin_filename;
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std::vector<std::string> plugin_aliases;
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bool list_mode = false;
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size_t argidx;
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for (argidx = 1; argidx < args.size(); argidx++)
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{
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if ((args[argidx] == "-i") && argidx+1 < args.size() && plugin_filename.empty()) {
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plugin_filename = args[++argidx];
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continue;
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}
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if ((args[argidx] == "-a") && argidx+1 < args.size()) {
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plugin_aliases.push_back(args[++argidx]);
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continue;
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}
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if (args[argidx] == "-l") {
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list_mode = true;
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continue;
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}
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break;
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}
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extra_args(args, argidx, design, false);
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if (!plugin_filename.empty())
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load_plugin(plugin_filename, plugin_aliases);
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if (list_mode)
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{
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log("\n");
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if (loaded_plugins.empty())
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log("No plugins loaded.\n");
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else
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log("Loaded plugins:\n");
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for (auto &it : loaded_plugins)
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log(" %s\n", it.first.c_str());
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if (!loaded_plugin_aliases.empty()) {
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log("\n");
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int max_alias_len = 1;
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for (auto &it : loaded_plugin_aliases)
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max_alias_len = std::max(max_alias_len, SIZE(it.first));
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for (auto &it : loaded_plugin_aliases)
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log("Alias: %-*s %s\n", max_alias_len, it.first.c_str(), it.second.c_str());
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}
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}
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}
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} PluginPass;
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YOSYS_NAMESPACE_END
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