accel/tcg: Add DisasContextBase argument to translator_ld*

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
[rth: Split out of a larger patch.]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
diff --git a/target/xtensa/translate.c b/target/xtensa/translate.c
index 20399d6..dcf6b50 100644
--- a/target/xtensa/translate.c
+++ b/target/xtensa/translate.c
@@ -882,7 +882,8 @@
 static void disas_xtensa_insn(CPUXtensaState *env, DisasContext *dc)
 {
     xtensa_isa isa = dc->config->isa;
-    unsigned char b[MAX_INSN_LENGTH] = {translator_ldub(env, dc->pc)};
+    unsigned char b[MAX_INSN_LENGTH] = {translator_ldub(env, &dc->base,
+                                                        dc->pc)};
     unsigned len = xtensa_op0_insn_len(dc, b[0]);
     xtensa_format fmt;
     int slot, slots;
@@ -907,7 +908,7 @@
 
     dc->base.pc_next = dc->pc + len;
     for (i = 1; i < len; ++i) {
-        b[i] = translator_ldub(env, dc->pc + i);
+        b[i] = translator_ldub(env, &dc->base, dc->pc + i);
     }
     xtensa_insnbuf_from_chars(isa, dc->insnbuf, b, len);
     fmt = xtensa_format_decode(isa, dc->insnbuf);