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/*
* yosys -- Yosys Open SYnthesis Suite
*
* Copyright (C) 2012 Clifford Wolf <clifford@clifford.at>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#ifndef LOG_H
#define LOG_H
#include "kernel/rtlil.h"
#include <stdio.h>
#include <time.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <vector>
extern std::vector<FILE*> log_files;
extern FILE *log_errfile;
extern bool log_time;
extern bool log_cmd_error_throw;
extern int log_verbose_level;
std::string stringf(const char *fmt, ...);
void logv(const char *format, va_list ap);
void logv_header(const char *format, va_list ap);
void logv_error(const char *format, va_list ap) __attribute__ ((noreturn));
void log(const char *format, ...) __attribute__ ((format (printf, 1, 2)));
void log_header(const char *format, ...) __attribute__ ((format (printf, 1, 2)));
void log_error(const char *format, ...) __attribute__ ((format (printf, 1, 2))) __attribute__ ((noreturn));
void log_cmd_error(const char *format, ...) __attribute__ ((format (printf, 1, 2))) __attribute__ ((noreturn));
void log_push();
void log_pop();
void log_reset_stack();
void log_flush();
const char *log_signal(const RTLIL::SigSpec &sig, bool autoint = true);
#define log_abort() log_error("Abort in %s:%d.\n", __FILE__, __LINE__)
#define log_assert(_assert_expr_) do { if (_assert_expr_) break; log_error("Assert `%s' failed in %s:%d.\n", #_assert_expr_, __FILE__, __LINE__); } while (0)
// simple timer for performance measurements
// toggle the '#if 1' to get a baseline for the perormance penalty added by the measurement
struct PerformanceTimer
{
#if 1
int64_t total_ns;
PerformanceTimer() {
total_ns = 0;
}
static int64_t query() {
#if defined(_POSIX_TIMERS) && (_POSIX_TIMERS > 0)
struct timespec ts;
clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts);
return int64_t(ts.tv_sec)*1000000000 + ts.tv_nsec;
#elif defined(RUSAGE_SELF)
struct rusage rusage;
int64_t t;
if (getrusage(RUSAGE_SELF, &rusage) == -1) {
log_cmd_error("getrusage failed!\n");
log_abort();
}
t = 1000000000ULL * (int64_t) rusage.ru_utime.tv_sec + (int64_t) rusage.ru_utime.tv_usec * 1000ULL;
t += 1000000000ULL * (int64_t) rusage.ru_stime.tv_sec + (int64_t) rusage.ru_stime.tv_usec * 1000ULL;
return t;
#else
#error Dont know how to measure per-process CPU time. Need alternative method (times()/clocks()/gettimeofday()?).
#endif
}
void reset() {
total_ns = 0;
}
void add() {
total_ns += query();
}
void sub() {
total_ns -= query();
}
float sec() const {
return total_ns * 1e-9;
}
#else
void reset() { }
void add() { }
void sub() { }
float sec() const { return 0; }
#endif
};
// simple API for quickly dumping values when debugging
static inline void log_dump_val_worker(short v) { log("%d", v); }
static inline void log_dump_val_worker(unsigned short v) { log("%u", v); }
static inline void log_dump_val_worker(int v) { log("%d", v); }
static inline void log_dump_val_worker(unsigned int v) { log("%u", v); }
static inline void log_dump_val_worker(long int v) { log("%ld", v); }
static inline void log_dump_val_worker(unsigned long int v) { log("%lu", v); }
static inline void log_dump_val_worker(long long int v) { log("%lld", v); }
static inline void log_dump_val_worker(unsigned long long int v) { log("%lld", v); }
static inline void log_dump_val_worker(char c) { log(c >= 32 && c < 127 ? "'%c'" : "'\\x%02x'", c); }
static inline void log_dump_val_worker(unsigned char c) { log(c >= 32 && c < 127 ? "'%c'" : "'\\x%02x'", c); }
static inline void log_dump_val_worker(bool v) { log("%s", v ? "true" : "false"); }
static inline void log_dump_val_worker(double v) { log("%f", v); }
static inline void log_dump_val_worker(const char *v) { log("%s", v); }
static inline void log_dump_val_worker(std::string v) { log("%s", v.c_str()); }
static inline void log_dump_val_worker(RTLIL::SigSpec v) { log("%s", log_signal(v)); }
static inline void log_dump_args_worker(const char *p) { log_assert(*p == 0); }
template <typename T, typename ... Args>
void log_dump_args_worker(const char *p, T first, Args ... args)
{
int next_p_state = 0;
const char *next_p = p;
while (*next_p && (next_p_state != 0 || *next_p != ',')) {
if (*next_p == '"')
do {
next_p++;
while (*next_p == '\\' && *(next_p + 1))
next_p += 2;
} while (*next_p && *next_p != '"');
if (*next_p == '\'') {
next_p++;
if (*next_p == '\\')
next_p++;
if (*next_p)
next_p++;
}
if (*next_p == '(' || *next_p == '[' || *next_p == '{')
next_p_state++;
if ((*next_p == ')' || *next_p == ']' || *next_p == '}') && next_p_state > 0)
next_p_state--;
next_p++;
}
log("\n\t%.*s => ", int(next_p - p), p);
if (*next_p == ',')
next_p++;
while (*next_p == ' ' || *next_p == '\t' || *next_p == '\r' || *next_p == '\n')
next_p++;
log_dump_val_worker(first);
log_dump_args_worker(next_p, args ...);
}
#define log_dump(...) do { \
log("DEBUG DUMP IN %s AT %s:%d:", __PRETTY_FUNCTION__, __FILE__, __LINE__); \
log_dump_args_worker(#__VA_ARGS__, __VA_ARGS__); \
log("\n"); \
} while (0)
#endif
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