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Diffstat (limited to 'darwin-user/main.c')
-rw-r--r--darwin-user/main.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/darwin-user/main.c b/darwin-user/main.c
index 9b8a3dccc..51c6aa0f4 100644
--- a/darwin-user/main.c
+++ b/darwin-user/main.c
@@ -41,6 +41,8 @@
#include <mach/mach_init.h>
#include <mach/vm_map.h>
+int singlestep;
+
const char *interp_prefix = "";
asm(".zerofill __STD_PROG_ZONE, __STD_PROG_ZONE, __std_prog_zone, 0x0dfff000");
@@ -751,6 +753,7 @@ void usage(void)
"-d options activate log (logfile='%s')\n"
"-g wait for gdb on port 1234\n"
"-p pagesize set the host page size to 'pagesize'\n",
+ "-singlestep always run in singlestep mode\n"
TARGET_ARCH,
TARGET_ARCH,
interp_prefix,
@@ -842,6 +845,8 @@ int main(int argc, char **argv)
#endif
exit(1);
}
+ } else if (!strcmp(r, "singlestep")) {
+ singlestep = 1;
} else
{
usage();