linux-user/main.c | 26 ++++++++++++++++----------
1 files changed, 16 insertions(+), 10 deletions(-)
@@ -34,7 +34,8 @@
#include "envlist.h"
-#define DEBUG_LOGFILE "/tmp/qemu.log"
+#define DEFAULTDEBUG_LOGFILE "/tmp/qemu.log"
+static const char *debug_logfile = DEFAULTDEBUG_LOGFILE;
char *exec_path;
@@ -2454,7 +2455,8 @@ static void usage(void)
#endif
"\n"
"Debug options:\n"
- "-d options activate log (logfile=%s)\n"
+ "-d options activate logfile\n"
+ "-logfile filename set log file name to 'filename' (default %s)\n"
"-p pagesize set the host page size to 'pagesize'\n"
"-singlestep always run in singlestep mode\n"
"-strace log system calls\n"
@@ -2472,7 +2474,7 @@ static void usage(void)
TARGET_ARCH,
interp_prefix,
x86_stack_size,
- DEBUG_LOGFILE);
+ debug_logfile);
exit(1);
}
@@ -2531,15 +2533,13 @@ int main(int argc, char **argv, char **envp)
const char *argv0 = NULL;
int i;
int ret;
+ int log_mask = 0;
if (argc <= 1)
usage();
qemu_cache_utils_init(envp);
- /* init debug */
- cpu_set_log_filename(DEBUG_LOGFILE);
-
if ((envlist = envlist_create()) == NULL) {
(void) fprintf(stderr, "Unable to allocate envlist\n");
exit(1);
@@ -2562,23 +2562,23 @@ int main(int argc, char **argv, char **envp)
r++;
if (!strcmp(r, "-")) {
break;
+ } else if (!strcmp(r, "logfile")) {
+ debug_logfile = argv[optind++];
} else if (!strcmp(r, "d")) {
- int mask;
const CPULogItem *item;
if (optind >= argc)
break;
r = argv[optind++];
- mask = cpu_str_to_log_mask(r);
- if (!mask) {
+ log_mask = cpu_str_to_log_mask(r);
+ if (!log_mask) {
printf("Log items (comma separated):\n");
for(item = cpu_log_items; item->mask != 0; item++) {
printf("%-10s %s\n", item->name, item->help);
}
exit(1);
}
- cpu_set_log(mask);
} else if (!strcmp(r, "E")) {
r = argv[optind++];
if (envlist_setenv(envlist, r) != 0)
@@ -2648,6 +2648,12 @@ int main(int argc, char **argv, char **envp)
filename = argv[optind];
exec_path = argv[optind];
+ /* init debug */
+ if (log_mask) {
+ cpu_set_log_filename(debug_logfile);
+ cpu_set_log(log_mask);
+ }
+
/* Zero out regs */
memset(regs, 0, sizeof(struct target_pt_regs));