tcg: Initialize the prologue after GUEST_BASE is fixed.

This will allow backends to make intelligent choices about how
to implement GUEST_BASE.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

1 files changed, 8 insertions, 1 deletions

diff --git a/linux-user/main.c b/linux-user/main.c
index 5027a6d994..b240f290f7 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -31,7 +31,7 @@
 #include "cache-utils.h"
 /* For tb_lock */
 #include "exec-all.h"
-
+#include "tcg.h"
 #include "qemu-timer.h"
 #include "envlist.h"
 
@@ -2984,6 +2984,13 @@ int main(int argc, char **argv, char **envp)
     syscall_init();
     signal_init();
 
+#if defined(CONFIG_USE_GUEST_BASE)
+    /* Now that we've loaded the binary, GUEST_BASE is fixed.  Delay
+       generating the prologue until now so that the prologue can take
+       the real value of GUEST_BASE into account.  */
+    tcg_prologue_init(&tcg_ctx);
+#endif
+
 #if defined(TARGET_I386)
     cpu_x86_set_cpl(env, 3);