Add new command line option -singlestep for tcg single stepping.
This replaces a compile time option for some targets and adds
this feature to targets which did not have a compile time option.
Add monitor command to enable or disable single step mode.
Modify monitor command "info status" to display single step mode.
Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7004 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/linux-user/main.c b/linux-user/main.c
index feb3036..3b9dfc7 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -39,6 +39,8 @@
char *exec_path;
+int singlestep;
+
static const char *interp_prefix = CONFIG_QEMU_PREFIX;
const char *qemu_uname_release = CONFIG_UNAME_RELEASE;
@@ -2217,6 +2219,7 @@
"Debug options:\n"
"-d options activate log (logfile=%s)\n"
"-p pagesize set the host page size to 'pagesize'\n"
+ "-singlestep always run in singlestep mode\n"
"-strace log system calls\n"
"\n"
"Environment variables:\n"
@@ -2359,6 +2362,8 @@
}
} else if (!strcmp(r, "drop-ld-preload")) {
(void) envlist_unsetenv(envlist, "LD_PRELOAD");
+ } else if (!strcmp(r, "singlestep")) {
+ singlestep = 1;
} else if (!strcmp(r, "strace")) {
do_strace = 1;
} else