static int log_append = 0;
static GArray *debug_regions;
-void qemu_log(const char *fmt, ...)
+/* Return the number of characters emitted. */
+int qemu_log(const char *fmt, ...)
{
- va_list ap;
-
- va_start(ap, fmt);
+ int ret = 0;
if (qemu_logfile) {
- vfprintf(qemu_logfile, fmt, ap);
+ va_list ap;
+ va_start(ap, fmt);
+ ret = vfprintf(qemu_logfile, fmt, ap);
+ va_end(ap);
+
+ /* Don't pass back error results. */
+ if (ret < 0) {
+ ret = 0;
+ }
}
- va_end(ap);
+ return ret;
}
static bool log_uses_own_buffers;
if (debug_regions) {
int i = 0;
for (i = 0; i < debug_regions->len; i++) {
- struct Range *range = &g_array_index(debug_regions, Range, i);
- if (addr >= range->begin && addr <= range->end) {
+ Range *range = &g_array_index(debug_regions, Range, i);
+ if (range_contains(range, addr)) {
return true;
}
}
for (i = 0; ranges[i]; i++) {
const char *r = ranges[i];
const char *range_op, *r2, *e;
- uint64_t r1val, r2val;
+ uint64_t r1val, r2val, lob, upb;
struct Range range;
range_op = strstr(r, "-");
goto out;
}
- if (qemu_strtoull(r, &e, 0, &r1val)
+ if (qemu_strtou64(r, &e, 0, &r1val)
|| e != range_op) {
error_setg(errp, "Invalid number to the left of %.*s",
(int)(r2 - range_op), range_op);
goto out;
}
- if (qemu_strtoull(r2, NULL, 0, &r2val)) {
+ if (qemu_strtou64(r2, NULL, 0, &r2val)) {
error_setg(errp, "Invalid number to the right of %.*s",
(int)(r2 - range_op), range_op);
goto out;
}
- if (r2val == 0) {
- error_setg(errp, "Invalid range");
- goto out;
- }
switch (*range_op) {
case '+':
- range.begin = r1val;
- range.end = r1val + (r2val - 1);
+ lob = r1val;
+ upb = r1val + r2val - 1;
break;
case '-':
- range.end = r1val;
- range.begin = r1val - (r2val - 1);
+ upb = r1val;
+ lob = r1val - (r2val - 1);
break;
case '.':
- range.begin = r1val;
- range.end = r2val;
+ lob = r1val;
+ upb = r2val;
break;
default:
g_assert_not_reached();
}
+ if (lob > upb) {
+ error_setg(errp, "Invalid range");
+ goto out;
+ }
+ range_set_bounds(&range, lob, upb);
g_array_append_val(debug_regions, range);
}
out:
{ CPU_LOG_TB_OP, "op",
"show micro ops for each compiled TB" },
{ CPU_LOG_TB_OP_OPT, "op_opt",
- "show micro ops (x86 only: before eflags optimization) and\n"
- "after liveness analysis" },
+ "show micro ops after optimization" },
+ { CPU_LOG_TB_OP_IND, "op_ind",
+ "show micro ops before indirect lowering" },
{ CPU_LOG_INT, "int",
"show interrupts/exceptions in short format" },
{ CPU_LOG_EXEC, "exec",
{ 0, NULL, NULL },
};
-static int cmp1(const char *s1, int n, const char *s2)
-{
- if (strlen(s2) != n) {
- return 0;
- }
- return memcmp(s1, s2, n) == 0;
-}
-
/* takes a comma separated list of log masks. Return 0 if error. */
int qemu_str_to_log_mask(const char *str)
{
const QEMULogItem *item;
- int mask;
- const char *p, *p1;
+ int mask = 0;
+ char **parts = g_strsplit(str, ",", 0);
+ char **tmp;
- p = str;
- mask = 0;
- for (;;) {
- p1 = strchr(p, ',');
- if (!p1) {
- p1 = p + strlen(p);
- }
- if (cmp1(p,p1-p,"all")) {
+ for (tmp = parts; tmp && *tmp; tmp++) {
+ if (g_str_equal(*tmp, "all")) {
for (item = qemu_log_items; item->mask != 0; item++) {
mask |= item->mask;
}
#ifdef CONFIG_TRACE_LOG
- } else if (strncmp(p, "trace:", 6) == 0 && p + 6 != p1) {
- trace_enable_events(p + 6);
+ } else if (g_str_has_prefix(*tmp, "trace:") && (*tmp)[6] != '\0') {
+ trace_enable_events((*tmp) + 6);
mask |= LOG_TRACE;
#endif
} else {
for (item = qemu_log_items; item->mask != 0; item++) {
- if (cmp1(p, p1 - p, item->name)) {
+ if (g_str_equal(*tmp, item->name)) {
goto found;
}
}
- return 0;
+ goto error;
found:
mask |= item->mask;
}
- if (*p1 != ',') {
- break;
- }
- p = p1 + 1;
}
+
+ g_strfreev(parts);
return mask;
+
+ error:
+ g_strfreev(parts);
+ return 0;
}
void qemu_print_log_usage(FILE *f)