3
0
Fork 0
mirror of https://github.com/YosysHQ/yosys synced 2025-06-06 06:03:23 +00:00

Added "cover" command

This commit is contained in:
Clifford Wolf 2014-07-24 15:06:45 +02:00
parent e589289df7
commit 2f54345cff
8 changed files with 175 additions and 34 deletions

View file

@ -21,7 +21,10 @@
#define LOG_H
#include "kernel/rtlil.h"
#include "kernel/register.h"
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <sys/time.h>
#include <sys/resource.h>
@ -68,22 +71,46 @@ void log_cell(RTLIL::Cell *cell, std::string indent = "");
// This is the magic behind the code coverage counters
// ---------------------------------------------------
#ifndef NDEBUG
#define cover(_id) do { \
static CoverData __d __attribute__((section("yosys_cover_list"), aligned(1))) = { __FILE__, __FUNCTION__, _id, __LINE__, 0 }; \
__d.counter++; \
} while (0)
struct CoverData {
const char *file, *func, *id;
int line, counter;
} __attribute__ ((packed));
// this two symbols are created by the linker for the "yosys_cover_list" ELF section
#ifndef NDEBUG
extern "C" struct CoverData __start_yosys_cover_list[];
extern "C" struct CoverData __stop_yosys_cover_list[];
#endif
#ifndef NDEBUG
# define cover(_id) do { \
static CoverData __d __attribute__((section("yosys_cover_list"), aligned(1))) = { __FILE__, __FUNCTION__, _id, __LINE__, 0 }; \
__d.counter++; \
} while (0)
static inline std::map<std::string, std::pair<std::string, int>> get_coverage_data()
{
std::map<std::string, std::pair<std::string, int>> coverage_data;
for (auto &it : REGISTER_INTERN::pass_register) {
std::string key = stringf("passes.%s", it.first.c_str());
coverage_data[key].first = stringf("%s:%d:%s", __FILE__, __LINE__, __FUNCTION__);
coverage_data[key].second += it.second->call_counter;
}
for (CoverData *p = __start_yosys_cover_list; p != __stop_yosys_cover_list; p++) {
if (coverage_data.count(p->id))
log("WARNING: found duplicate coverage id \"%s\".\n", p->id);
coverage_data[p->id].first = stringf("%s:%d:%s", p->file, p->line, p->func);
coverage_data[p->id].second += p->counter;
}
for (auto &it : coverage_data)
if (!it.second.first.compare(0, strlen(YOSYS_SRC "/"), YOSYS_SRC "/"))
it.second.first = it.second.first.substr(strlen(YOSYS_SRC "/"));
return coverage_data;
}
#else
# define cover(_id) do { } while (0)
#endif