forked from mirrors/nixpkgs
35 lines
1.2 KiB
Diff
35 lines
1.2 KiB
Diff
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diff --git a/passes/cmds/plugin.cc b/passes/cmds/plugin.cc
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index 3ed19497..f9534bd0 100644
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--- a/passes/cmds/plugin.cc
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+++ b/passes/cmds/plugin.cc
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@@ -75,8 +75,27 @@ void load_plugin(std::string filename, std::vector<std::string> aliases)
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#endif
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void *hdl = dlopen(filename.c_str(), RTLD_LAZY|RTLD_LOCAL);
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- if (hdl == NULL && orig_filename.find('/') == std::string::npos)
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- hdl = dlopen((proc_share_dirname() + "plugins/" + orig_filename + ".so").c_str(), RTLD_LAZY|RTLD_LOCAL);
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+ if (hdl == NULL && orig_filename.find('/') == std::string::npos) {
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+ std::string install_dir = proc_share_dirname() + "plugins";
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+
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+ vector<string> all_dirs;
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+ all_dirs.push_back(install_dir);
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+
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+ char* plugin_dirs = getenv("NIX_YOSYS_PLUGIN_DIRS");
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+ if (plugin_dirs != NULL) {
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+ std::string p(plugin_dirs), t;
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+ std::stringstream ss(p);
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+
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+ while(std::getline(ss, t, ':')) {
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+ all_dirs.push_back(t);
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+ }
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+ }
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+
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+ for (auto dir : all_dirs) {
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+ hdl = dlopen((dir + "/" + orig_filename + ".so").c_str(), RTLD_LAZY|RTLD_LOCAL);
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+ if (hdl != NULL) break;
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+ }
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+ }
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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[orig_filename] = hdl;
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