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Enable debug messages with -d

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Allows the user to easily enable debug messages, which are the only way
to debug problems with channels.
This commit is contained in:
Rodrigo Arias 2023-03-08 16:14:34 +01:00 committed by Rodrigo Arias Mallo
parent 31f24a2a55
commit 43fa556fa9
3 changed files with 20 additions and 7 deletions
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7
src/common.c
View File

@ -10,6 +10,7 @@
#include <stdlib.h> #include <stdlib.h>
char *progname = NULL; char *progname = NULL;
int is_debug_enabled = 0;
void void
progname_set(char *name) progname_set(char *name)
@ -17,6 +18,12 @@ progname_set(char *name)
progname = name; progname = name;
} }
void
enable_debug(void)
{
is_debug_enabled = 1;
}
static void static void
vaerr(const char *prefix, const char *func, const char *errstr, va_list ap) vaerr(const char *prefix, const char *func, const char *errstr, va_list ap)
{ {

11
src/common.h
View File

@ -6,9 +6,12 @@
#include <stdio.h> #include <stdio.h>
extern int is_debug_enabled;
/* Debug macros */ /* Debug macros */
void progname_set(char *name); void progname_set(char *name);
void enable_debug(void);
void verr(const char *prefix, const char *func, const char *errstr, ...); void verr(const char *prefix, const char *func, const char *errstr, ...);
void vdie(const char *prefix, const char *func, const char *errstr, ...); void vdie(const char *prefix, const char *func, const char *errstr, ...);
@ -20,11 +23,9 @@ void vdie(const char *prefix, const char *func, const char *errstr, ...);
#define info(...) verr("INFO", NULL, __VA_ARGS__) #define info(...) verr("INFO", NULL, __VA_ARGS__)
#define warn(...) verr("WARN", NULL, __VA_ARGS__) #define warn(...) verr("WARN", NULL, __VA_ARGS__)
#ifdef ENABLE_DEBUG #define dbg(...) do { \
# define dbg(...) verr("DEBUG", __func__, __VA_ARGS__) if (unlikely(is_debug_enabled)) verr("DEBUG", __func__, __VA_ARGS__); \
#else } while (0);
# define dbg(...) do { if (0) { verr("DEBUG", __func__, __VA_ARGS__); } } while(0)
#endif
#define likely(x) __builtin_expect(!!(x), 1) #define likely(x) __builtin_expect(!!(x), 1)
#define unlikely(x) __builtin_expect(!!(x), 0) #define unlikely(x) __builtin_expect(!!(x), 0)

9
src/emu/emu_args.c
View File

@ -17,7 +17,7 @@ usage(void)
{ {
rerr("%s -- version %s\n", progname, version); rerr("%s -- version %s\n", progname, version);
rerr("\n"); rerr("\n");
rerr("Usage: %s [-c offsetfile] [-blh] tracedir\n", progname); rerr("Usage: %s [-c offsetfile] [-bdlh] tracedir\n", progname);
rerr("\n"); rerr("\n");
rerr("Options:\n"); rerr("Options:\n");
rerr(" -c offsetfile Use the given offset file to correct\n"); rerr(" -c offsetfile Use the given offset file to correct\n");
@ -26,6 +26,8 @@ usage(void)
rerr("\n"); rerr("\n");
rerr(" -b Enable breakdown model (costly)\n"); rerr(" -b Enable breakdown model (costly)\n");
rerr("\n"); rerr("\n");
rerr(" -d Enable debug output (very verbose)\n");
rerr("\n");
rerr(" -l Enable linter mode. Extra tests will\n"); rerr(" -l Enable linter mode. Extra tests will\n");
rerr(" be performed.\n"); rerr(" be performed.\n");
rerr("\n"); rerr("\n");
@ -44,7 +46,7 @@ emu_args_init(struct emu_args *args, int argc, char *argv[])
memset(args, 0, sizeof(struct emu_args)); memset(args, 0, sizeof(struct emu_args));
int opt; int opt;
while ((opt = getopt(argc, argv, "bc:lh")) != -1) { while ((opt = getopt(argc, argv, "bdc:lh")) != -1) {
switch (opt) { switch (opt) {
case 'c': case 'c':
args->clock_offset_file = optarg; args->clock_offset_file = optarg;
@ -55,6 +57,9 @@ emu_args_init(struct emu_args *args, int argc, char *argv[])
case 'b': case 'b':
args->breakdown = 1; args->breakdown = 1;
break; break;
case 'd':
enable_debug();
break;
case 'h': case 'h':
default: /* '?' */ default: /* '?' */
usage(); usage();