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Added support for loadable modules (aka plugins)

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This commit is contained in:
Clifford Wolf 2013-03-06 11:58:07 +01:00
parent 14c097b633
commit b380af9d6d
4 changed files with 64 additions and 12 deletions
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31
kernel/driver.cc
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@ -26,6 +26,7 @@
#include "kernel/log.h"
#include <string.h>
#include <unistd.h>
#include <dlfcn.h>
static void run_frontend(std::string filename, std::string command, RTLIL::Design *design, std::string *backend_command)
{
@ -224,21 +225,23 @@ int main(int argc, char **argv)
std::string frontend_command = "auto";
std::string backend_command = "auto";
std::vector<std::string> passes_commands;
std::vector<void*> loaded_modules;
std::string output_filename = "-";
std::string scriptfile = "";
bool got_output_filename = false;
Pass::init_register();
RTLIL::Design *design = new RTLIL::Design;
design->selection_stack.push_back(RTLIL::Selection());
log_push();
int opt;
while ((opt = getopt(argc, argv, "f:b:o:p:l:qts:")) != -1)
while ((opt = getopt(argc, argv, "m:f:b:o:p:l:qts:")) != -1)
{
switch (opt)
{
case 'm':
loaded_modules.push_back(dlopen(optarg, RTLD_LAZY|RTLD_GLOBAL));
if (loaded_modules.back() == NULL) {
fprintf(stderr, "Can't load module `%s'!\n", optarg);
exit(1);
}
break;
case 'f':
frontend_command = optarg;
break;
@ -271,7 +274,7 @@ int main(int argc, char **argv)
default:
fprintf(stderr, "\n");
fprintf(stderr, "Usage: %s [-q] [-t] [-l logfile] [-o <outfile>] [-f <frontend>] [-s <scriptfile>]\n", argv[0]);
fprintf(stderr, " %*s[-p <pass> [-p ..]] [-b <backend>] [<infile> [..]]\n", int(strlen(argv[0])+1), "");
fprintf(stderr, " %*s[-p <pass> [-p ..]] [-b <backend>] [-m <module_file>] [<infile> [..]]\n", int(strlen(argv[0])+1), "");
fprintf(stderr, "\n");
fprintf(stderr, " -q\n");
fprintf(stderr, " quiet operation. only write error messages to console\n");
@ -297,6 +300,9 @@ int main(int argc, char **argv)
fprintf(stderr, " -p command\n");
fprintf(stderr, " execute the commands\n");
fprintf(stderr, "\n");
fprintf(stderr, " -m module_file\n");
fprintf(stderr, " load the specified module (aka plugin)\n");
fprintf(stderr, "\n");
fprintf(stderr, "For more complex synthesis jobs it is recommended to use the read_* and write_*\n");
fprintf(stderr, "commands in a script file instead of specifying input and output files on the\n");
fprintf(stderr, "command line.\n");
@ -334,6 +340,12 @@ int main(int argc, char **argv)
log(" \\-----------------------------------------------------------------------------/\n");
log("\n");
Pass::init_register();
RTLIL::Design *design = new RTLIL::Design;
design->selection_stack.push_back(RTLIL::Selection());
log_push();
if (optind == argc && passes_commands.size() == 0 && scriptfile.empty()) {
if (!got_output_filename)
backend_command = "";
@ -365,6 +377,9 @@ int main(int argc, char **argv)
Pass::done_register();
for (auto mod : loaded_modules)
dlclose(mod);
return 0;
}