tcg: Introduce tcg_splitwx_to_{rx,rw}

Add two helper functions, using a global variable to hold
the displacement.  The displacement is currently always 0,
so no change in behaviour.

Begin using the functions in tcg common code only.

Reviewed-by: Joelle van Dyne <j@getutm.app>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/disas.c b/disas.c
index 7c18d7d2a7..de1de7be94 100644
--- a/disas.c
+++ b/disas.c
@@ -299,8 +299,10 @@ char *plugin_disas(CPUState *cpu, uint64_t addr, size_t size)
 }
 
 /* Disassemble this for me please... (debugging). */
-void disas(FILE *out, void *code, unsigned long size)
+void disas(FILE *out, const void *ccode, unsigned long size)
 {
+    /* TODO: Push constness through the disas backends. */
+    void *code = (void *)ccode;
     uintptr_t pc;
     int count;
     CPUDebug s;