linux-user: Create do_init_main_thread

Provide a unified function to initialize the main thread.
Keep target_pt_regs isolated to this function.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 3 insertions, 7 deletions

diff --git a/linux-user/main.c b/linux-user/main.c
index ad1a29d198..e21842bde9 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -696,7 +696,6 @@ static int parse_args(int argc, char **argv)
 
 int main(int argc, char **argv, char **envp)
 {
-    struct target_pt_regs regs1, *regs = &regs1;
     struct image_info info1, *info = &info1;
     struct linux_binprm bprm;
     TaskState *ts;
@@ -762,9 +761,6 @@ int main(int argc, char **argv, char **envp)
     trace_init_file();
     qemu_plugin_load_list(&plugins, &error_fatal);
 
-    /* Zero out regs */
-    memset(regs, 0, sizeof(struct target_pt_regs));
-
     /* Zero out image_info */
     memset(info, 0, sizeof(struct image_info));
 
@@ -988,8 +984,8 @@ int main(int argc, char **argv, char **envp)
 
     fd_trans_init();
 
-    ret = loader_exec(execfd, exec_path, target_argv, target_environ, regs,
-        info, &bprm);
+    ret = loader_exec(execfd, exec_path, target_argv, target_environ,
+                      info, &bprm);
     if (ret != 0) {
         printf("Error while loading %s: %s\n", exec_path, strerror(-ret));
         _exit(EXIT_FAILURE);
@@ -1041,7 +1037,7 @@ int main(int argc, char **argv, char **envp)
        the real value of GUEST_BASE into account.  */
     tcg_prologue_init();
 
-    target_cpu_copy_regs(env, regs);
+    do_init_main_thread(cpu, info);
 
     if (gdbstub) {
         gdbserver_start(gdbstub, &error_fatal);