Add new command line option -singlestep for tcg single stepping.

[qemu.git] / darwin-user / main.c

diff --git a/darwin-user/main.c b/darwin-user/main.c
index b1011cda942d655d13b5c11737b31edaeab556c5..51c6aa0f4d4d07f7fa510466584bdfa4151c1ff0 100644 (file)
--- 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");
@@ -160,10 +162,8 @@ int ppc_dcr_write (ppc_dcr_t *dcr_env, int dcrn, target_ulong val)
 do {                                                                          \
     fprintf(stderr, fmt , ##args);                                            \
     cpu_dump_state(env, stderr, fprintf, 0);                                  \
-    if (loglevel != 0) {                                                      \
-        fprintf(logfile, fmt , ##args);                                       \
-        cpu_dump_state(env, logfile, fprintf, 0);                             \
-    }                                                                         \
+    qemu_log(fmt, ##args);                                                   \
+    log_cpu_state(env, 0);                                                      \
 } while (0)
 
 void cpu_loop(CPUPPCState *env)
@@ -753,12 +753,13 @@ 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,
            stack_size,
            DEBUG_LOGFILE);
-    _exit(1);
+    exit(1);
 }
 
 /* XXX: currently only used for async signals (see signal.c) */
@@ -842,8 +843,10 @@ int main(int argc, char **argv)
 #if defined(cpu_list)
                     cpu_list(stdout, &fprintf);
 #endif
-                _exit(1);
+                exit(1);
             }
+        } else if (!strcmp(r, "singlestep")) {
+            singlestep = 1;
         } else
         {
             usage();