From 75ffd1643c97321255bc591edf0c1a7097b8dce9 Mon Sep 17 00:00:00 2001
From: Clifford Wolf <clifford@clifford.at>
Date: Fri, 1 Aug 2014 19:43:28 +0200
Subject: Added logfile hash to statistics footer

---
 kernel/driver.cc | 68 ++++++++++++++++++++++++++++++--------------------------
 1 file changed, 37 insertions(+), 31 deletions(-)

(limited to 'kernel/driver.cc')

diff --git a/kernel/driver.cc b/kernel/driver.cc
index 273be7ce..6f976423 100644
--- a/kernel/driver.cc
+++ b/kernel/driver.cc
@@ -18,6 +18,7 @@
  */
 
 #include "kernel/yosys.h"
+#include "libs/sha1/sha1.h"
 
 #include <readline/readline.h>
 #include <readline/history.h>
@@ -233,6 +234,9 @@ int main(int argc, char **argv)
 		log("\n");
 	}
 
+	if (print_stats)
+		log_hasher = new SHA1;
+
 	yosys_setup();
 
 	if (optind == argc && passes_commands.size() == 0 && scriptfile.empty()) {
@@ -262,43 +266,18 @@ int main(int argc, char **argv)
 	if (!backend_command.empty())
 		run_backend(output_filename, backend_command, yosys_design);
 
-	delete yosys_design;
-	yosys_design = NULL;
-
-#ifdef COVER_ACTIVE
-	if (getenv("YOSYS_COVER_DIR") || getenv("YOSYS_COVER_FILE"))
-	{
-		char filename_buffer[4096];
-		FILE *f;
-
-		if (getenv("YOSYS_COVER_DIR")) {
-			snprintf(filename_buffer, 4096, "%s/yosys_cover_%d_XXXXXX.txt", getenv("YOSYS_COVER_DIR"), getpid());
-			f = fdopen(mkstemps(filename_buffer, 4), "w");
-		} else {
-			snprintf(filename_buffer, 4096, "%s", getenv("YOSYS_COVER_FILE"));
-			f = fopen(filename_buffer, "a+");
-		}
-
-		if (f == NULL)
-			log_error("Can't create coverage file `%s'.\n", filename_buffer);
-
-		log("<writing coverage file \"%s\">\n", filename_buffer);
-
-		for (auto &it : get_coverage_data())
-			fprintf(f, "%-60s %10d %s\n", it.second.first.c_str(), it.second.second, it.first.c_str());
-
-		fclose(f);
-	}
-#endif
-
 	if (print_stats)
 	{
+		std::string hash = log_hasher->final().substr(0, 10);
+		delete log_hasher;
+		log_hasher = nullptr;
+
 		struct rusage ru_buffer;
 		getrusage(RUSAGE_SELF, &ru_buffer);
-		log("\nEnd of script. Logfile hash: xxxxxxxxxx, CPU: user %.2fs system %.2fs\n",
+		log("\nEnd of script. Logfile hash: %s, CPU: user %.2fs system %.2fs\n", hash.c_str(),
 				ru_buffer.ru_utime.tv_sec + 1e-6 * ru_buffer.ru_utime.tv_usec,
 				ru_buffer.ru_stime.tv_sec + 1e-6 * ru_buffer.ru_stime.tv_usec);
-		log("%s\nTime spent:", yosys_version_str);
+		log("%s\n", yosys_version_str);
 
 		int64_t total_ns = 0;
 		std::set<std::tuple<int64_t, int, std::string>> timedat;
@@ -310,6 +289,7 @@ int main(int argc, char **argv)
 			}
 
 		int out_count = 0;
+		log("Time spent:");
 		for (auto it = timedat.rbegin(); it != timedat.rend() && out_count < 4; it++, out_count++) {
 			if (out_count >= 2 && (std::get<0>(*it) < 1000000000 || int(100*std::get<0>(*it) / total_ns) < 20)) {
 				log(", ...");
@@ -321,6 +301,32 @@ int main(int argc, char **argv)
 		log("%s\n", out_count ? "" : " no commands executed");
 	}
 
+#ifdef COVER_ACTIVE
+	if (getenv("YOSYS_COVER_DIR") || getenv("YOSYS_COVER_FILE"))
+	{
+		char filename_buffer[4096];
+		FILE *f;
+
+		if (getenv("YOSYS_COVER_DIR")) {
+			snprintf(filename_buffer, 4096, "%s/yosys_cover_%d_XXXXXX.txt", getenv("YOSYS_COVER_DIR"), getpid());
+			f = fdopen(mkstemps(filename_buffer, 4), "w");
+		} else {
+			snprintf(filename_buffer, 4096, "%s", getenv("YOSYS_COVER_FILE"));
+			f = fopen(filename_buffer, "a+");
+		}
+
+		if (f == NULL)
+			log_error("Can't create coverage file `%s'.\n", filename_buffer);
+
+		log("<writing coverage file \"%s\">\n", filename_buffer);
+
+		for (auto &it : get_coverage_data())
+			fprintf(f, "%-60s %10d %s\n", it.second.first.c_str(), it.second.second, it.first.c_str());
+
+		fclose(f);
+	}
+#endif
+
 	if (call_abort)
 		abort();
 
-- 
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