@@ -141,6 +141,13 @@ uint64_t HELPER(ctpop_i64)(uint64_t arg)
return ctpop64(arg);
}
+void *HELPER(lookup_tb_ptr)(CPUArchState *env, target_ulong addr)
+{
+ TranslationBlock *tb = tb_from_jmp_cache(env, addr);
+
+ return tb ? tb->tc_ptr : tcg_ctx.code_gen_epilogue;
+}
+
void HELPER(exit_atomic)(CPUArchState *env)
{
cpu_loop_exit_atomic(ENV_GET_CPU(env), GETPC());
@@ -24,6 +24,8 @@ DEF_HELPER_FLAGS_1(clrsb_i64, TCG_CALL_NO_RWG_SE, i64, i64)
DEF_HELPER_FLAGS_1(ctpop_i32, TCG_CALL_NO_RWG_SE, i32, i32)
DEF_HELPER_FLAGS_1(ctpop_i64, TCG_CALL_NO_RWG_SE, i64, i64)
+DEF_HELPER_FLAGS_2(lookup_tb_ptr, TCG_CALL_NO_WG_SE, ptr, env, tl)
+
DEF_HELPER_FLAGS_1(exit_atomic, TCG_CALL_NO_WG, noreturn, env)
#ifdef CONFIG_SOFTMMU
@@ -647,6 +647,7 @@ struct TCGContext {
GHashTable *helpers;
void *code_gen_prologue;
+ void *code_gen_epilogue;
void *code_gen_buffer;
size_t code_gen_buffer_size;
Signed-off-by: Emilio G. Cota <cota@braap.org> --- tcg-runtime.c | 7 +++++++ tcg/tcg-runtime.h | 2 ++ tcg/tcg.h | 1 + 3 files changed, 10 insertions(+)