tcg: Pass function pointer to tcg_gen_call*

For normal helpers, read the function pointer from the
structure earlier.  For plugins, this will allow the
function pointer to come from elsewhere.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

3 files changed, 52 insertions, 38 deletions

diff --git a/include/exec/helper-gen.h.inc b/include/exec/helper-gen.h.inc
index d9fd3ed..dabe138 100644
--- a/include/exec/helper-gen.h.inc
+++ b/include/exec/helper-gen.h.inc
@@ -14,7 +14,8 @@
 extern TCGHelperInfo glue(helper_info_, name);                          \
 static inline void glue(gen_helper_, name)(dh_retvar_decl0(ret))        \
 {                                                                       \
-    tcg_gen_call0(&glue(helper_info_, name), dh_retvar(ret));           \
+    tcg_gen_call0(glue(helper_info_,name).func,                         \
+                  &glue(helper_info_,name), dh_retvar(ret));            \
 }
 
 #define DEF_HELPER_FLAGS_1(name, flags, ret, t1)                        \
@@ -22,7 +23,8 @@ extern TCGHelperInfo glue(helper_info_, name);                          \
 static inline void glue(gen_helper_, name)(dh_retvar_decl(ret)          \
     dh_arg_decl(t1, 1))                                                 \
 {                                                                       \
-    tcg_gen_call1(&glue(helper_info_, name), dh_retvar(ret),            \
+    tcg_gen_call1(glue(helper_info_,name).func,                         \
+                  &glue(helper_info_,name), dh_retvar(ret),             \
                   dh_arg(t1, 1));                                       \
 }
 
@@ -31,7 +33,8 @@ extern TCGHelperInfo glue(helper_info_, name);                          \
 static inline void glue(gen_helper_, name)(dh_retvar_decl(ret)          \
     dh_arg_decl(t1, 1), dh_arg_decl(t2, 2))                             \
 {                                                                       \
-    tcg_gen_call2(&glue(helper_info_, name), dh_retvar(ret),            \
+    tcg_gen_call2(glue(helper_info_,name).func,                         \
+                  &glue(helper_info_,name), dh_retvar(ret),             \
                   dh_arg(t1, 1), dh_arg(t2, 2));                        \
 }
 
@@ -40,7 +43,8 @@ extern TCGHelperInfo glue(helper_info_, name);                          \
 static inline void glue(gen_helper_, name)(dh_retvar_decl(ret)          \
     dh_arg_decl(t1, 1), dh_arg_decl(t2, 2), dh_arg_decl(t3, 3))         \
 {                                                                       \
-    tcg_gen_call3(&glue(helper_info_, name), dh_retvar(ret),            \
+    tcg_gen_call3(glue(helper_info_,name).func,                         \
+                  &glue(helper_info_,name), dh_retvar(ret),             \
                   dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3));         \
 }
 
@@ -50,7 +54,8 @@ static inline void glue(gen_helper_, name)(dh_retvar_decl(ret)          \
     dh_arg_decl(t1, 1), dh_arg_decl(t2, 2),                             \
     dh_arg_decl(t3, 3), dh_arg_decl(t4, 4))                             \
 {                                                                       \
-    tcg_gen_call4(&glue(helper_info_, name), dh_retvar(ret),            \
+    tcg_gen_call4(glue(helper_info_,name).func,                         \
+                  &glue(helper_info_,name), dh_retvar(ret),             \
                   dh_arg(t1, 1), dh_arg(t2, 2),                         \
                   dh_arg(t3, 3), dh_arg(t4, 4));                        \
 }
@@ -61,7 +66,8 @@ static inline void glue(gen_helper_, name)(dh_retvar_decl(ret)          \
     dh_arg_decl(t1, 1), dh_arg_decl(t2, 2), dh_arg_decl(t3, 3),         \
     dh_arg_decl(t4, 4), dh_arg_decl(t5, 5))                             \
 {                                                                       \
-    tcg_gen_call5(&glue(helper_info_, name), dh_retvar(ret),            \
+    tcg_gen_call5(glue(helper_info_,name).func,                         \
+                  &glue(helper_info_,name), dh_retvar(ret),             \
                   dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3),          \
                   dh_arg(t4, 4), dh_arg(t5, 5));                        \
 }
@@ -72,7 +78,8 @@ static inline void glue(gen_helper_, name)(dh_retvar_decl(ret)          \
     dh_arg_decl(t1, 1), dh_arg_decl(t2, 2), dh_arg_decl(t3, 3),         \
     dh_arg_decl(t4, 4), dh_arg_decl(t5, 5), dh_arg_decl(t6, 6))         \
 {                                                                       \
-    tcg_gen_call6(&glue(helper_info_, name), dh_retvar(ret),            \
+    tcg_gen_call6(glue(helper_info_,name).func,                         \
+                  &glue(helper_info_,name), dh_retvar(ret),             \
                   dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3),          \
                   dh_arg(t4, 4), dh_arg(t5, 5), dh_arg(t6, 6));         \
 }
@@ -84,7 +91,8 @@ static inline void glue(gen_helper_, name)(dh_retvar_decl(ret)          \
     dh_arg_decl(t4, 4), dh_arg_decl(t5, 5), dh_arg_decl(t6, 6),         \
     dh_arg_decl(t7, 7))                                                 \
 {                                                                       \
-    tcg_gen_call7(&glue(helper_info_, name), dh_retvar(ret),            \
+    tcg_gen_call7(glue(helper_info_,name).func,                         \
+                  &glue(helper_info_,name), dh_retvar(ret),             \
                   dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3),          \
                   dh_arg(t4, 4), dh_arg(t5, 5), dh_arg(t6, 6),          \
                   dh_arg(t7, 7));                                       \
diff --git a/include/tcg/tcg.h b/include/tcg/tcg.h
index e4c5984..8d9f658 100644
--- a/include/tcg/tcg.h
+++ b/include/tcg/tcg.h
@@ -852,19 +852,22 @@ typedef struct TCGTargetOpDef {
 
 bool tcg_op_supported(TCGOpcode op);
 
-void tcg_gen_call0(TCGHelperInfo *, TCGTemp *ret);
-void tcg_gen_call1(TCGHelperInfo *, TCGTemp *ret, TCGTemp *);
-void tcg_gen_call2(TCGHelperInfo *, TCGTemp *ret, TCGTemp *, TCGTemp *);
-void tcg_gen_call3(TCGHelperInfo *, TCGTemp *ret, TCGTemp *,
+void tcg_gen_call0(void *func, TCGHelperInfo *, TCGTemp *ret);
+void tcg_gen_call1(void *func, TCGHelperInfo *, TCGTemp *ret, TCGTemp *);
+void tcg_gen_call2(void *func, TCGHelperInfo *, TCGTemp *ret,
                    TCGTemp *, TCGTemp *);
-void tcg_gen_call4(TCGHelperInfo *, TCGTemp *ret, TCGTemp *, TCGTemp *,
-                   TCGTemp *, TCGTemp *);
-void tcg_gen_call5(TCGHelperInfo *, TCGTemp *ret, TCGTemp *, TCGTemp *,
+void tcg_gen_call3(void *func, TCGHelperInfo *, TCGTemp *ret,
                    TCGTemp *, TCGTemp *, TCGTemp *);
-void tcg_gen_call6(TCGHelperInfo *, TCGTemp *ret, TCGTemp *, TCGTemp *,
+void tcg_gen_call4(void *func, TCGHelperInfo *, TCGTemp *ret,
                    TCGTemp *, TCGTemp *, TCGTemp *, TCGTemp *);
-void tcg_gen_call7(TCGHelperInfo *, TCGTemp *ret, TCGTemp *, TCGTemp *,
+void tcg_gen_call5(void *func, TCGHelperInfo *, TCGTemp *ret,
                    TCGTemp *, TCGTemp *, TCGTemp *, TCGTemp *, TCGTemp *);
+void tcg_gen_call6(void *func, TCGHelperInfo *, TCGTemp *ret,
+                   TCGTemp *, TCGTemp *, TCGTemp *, TCGTemp *,
+                   TCGTemp *, TCGTemp *);
+void tcg_gen_call7(void *func, TCGHelperInfo *, TCGTemp *ret,
+                   TCGTemp *, TCGTemp *, TCGTemp *, TCGTemp *,
+                   TCGTemp *, TCGTemp *, TCGTemp *);
 
 TCGOp *tcg_emit_op(TCGOpcode opc, unsigned nargs);
 void tcg_op_remove(TCGContext *s, TCGOp *op);
diff --git a/tcg/tcg.c b/tcg/tcg.c
index 6a32656..7484a07 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -2251,7 +2251,8 @@ bool tcg_op_supported(TCGOpcode op)
 
 static TCGOp *tcg_op_alloc(TCGOpcode opc, unsigned nargs);
 
-static void tcg_gen_callN(TCGHelperInfo *info, TCGTemp *ret, TCGTemp **args)
+static void tcg_gen_callN(void *func, TCGHelperInfo *info,
+                          TCGTemp *ret, TCGTemp **args)
 {
     TCGv_i64 extend_free[MAX_CALL_IARGS];
     int n_extend = 0;
@@ -2329,7 +2330,7 @@ static void tcg_gen_callN(TCGHelperInfo *info, TCGTemp *ret, TCGTemp **args)
             g_assert_not_reached();
         }
     }
-    op->args[pi++] = (uintptr_t)info->func;
+    op->args[pi++] = (uintptr_t)func;
     op->args[pi++] = (uintptr_t)info;
     tcg_debug_assert(pi == total_args);
 
@@ -2345,56 +2346,58 @@ static void tcg_gen_callN(TCGHelperInfo *info, TCGTemp *ret, TCGTemp **args)
     }
 }
 
-void tcg_gen_call0(TCGHelperInfo *info, TCGTemp *ret)
+void tcg_gen_call0(void *func, TCGHelperInfo *info, TCGTemp *ret)
 {
-    tcg_gen_callN(info, ret, NULL);
+    tcg_gen_callN(func, info, ret, NULL);
 }
 
-void tcg_gen_call1(TCGHelperInfo *info, TCGTemp *ret, TCGTemp *t1)
+void tcg_gen_call1(void *func, TCGHelperInfo *info, TCGTemp *ret, TCGTemp *t1)
 {
-    tcg_gen_callN(info, ret, &t1);
+    tcg_gen_callN(func, info, ret, &t1);
 }
 
-void tcg_gen_call2(TCGHelperInfo *info, TCGTemp *ret, TCGTemp *t1, TCGTemp *t2)
+void tcg_gen_call2(void *func, TCGHelperInfo *info, TCGTemp *ret,
+                   TCGTemp *t1, TCGTemp *t2)
 {
     TCGTemp *args[2] = { t1, t2 };
-    tcg_gen_callN(info, ret, args);
+    tcg_gen_callN(func, info, ret, args);
 }
 
-void tcg_gen_call3(TCGHelperInfo *info, TCGTemp *ret, TCGTemp *t1,
-                   TCGTemp *t2, TCGTemp *t3)
+void tcg_gen_call3(void *func, TCGHelperInfo *info, TCGTemp *ret,
+                   TCGTemp *t1, TCGTemp *t2, TCGTemp *t3)
 {
     TCGTemp *args[3] = { t1, t2, t3 };
-    tcg_gen_callN(info, ret, args);
+    tcg_gen_callN(func, info, ret, args);
 }
 
-void tcg_gen_call4(TCGHelperInfo *info, TCGTemp *ret, TCGTemp *t1,
-                   TCGTemp *t2, TCGTemp *t3, TCGTemp *t4)
+void tcg_gen_call4(void *func, TCGHelperInfo *info, TCGTemp *ret,
+                   TCGTemp *t1, TCGTemp *t2, TCGTemp *t3, TCGTemp *t4)
 {
     TCGTemp *args[4] = { t1, t2, t3, t4 };
-    tcg_gen_callN(info, ret, args);
+    tcg_gen_callN(func, info, ret, args);
 }
 
-void tcg_gen_call5(TCGHelperInfo *info, TCGTemp *ret, TCGTemp *t1,
+void tcg_gen_call5(void *func, TCGHelperInfo *info, TCGTemp *ret, TCGTemp *t1,
                    TCGTemp *t2, TCGTemp *t3, TCGTemp *t4, TCGTemp *t5)
 {
     TCGTemp *args[5] = { t1, t2, t3, t4, t5 };
-    tcg_gen_callN(info, ret, args);
+    tcg_gen_callN(func, info, ret, args);
 }
 
-void tcg_gen_call6(TCGHelperInfo *info, TCGTemp *ret, TCGTemp *t1, TCGTemp *t2,
-                   TCGTemp *t3, TCGTemp *t4, TCGTemp *t5, TCGTemp *t6)
+void tcg_gen_call6(void *func, TCGHelperInfo *info, TCGTemp *ret,
+                   TCGTemp *t1, TCGTemp *t2, TCGTemp *t3,
+                   TCGTemp *t4, TCGTemp *t5, TCGTemp *t6)
 {
     TCGTemp *args[6] = { t1, t2, t3, t4, t5, t6 };
-    tcg_gen_callN(info, ret, args);
+    tcg_gen_callN(func, info, ret, args);
 }
 
-void tcg_gen_call7(TCGHelperInfo *info, TCGTemp *ret, TCGTemp *t1,
+void tcg_gen_call7(void *func, TCGHelperInfo *info, TCGTemp *ret, TCGTemp *t1,
                    TCGTemp *t2, TCGTemp *t3, TCGTemp *t4,
                    TCGTemp *t5, TCGTemp *t6, TCGTemp *t7)
 {
     TCGTemp *args[7] = { t1, t2, t3, t4, t5, t6, t7 };
-    tcg_gen_callN(info, ret, args);
+    tcg_gen_callN(func, info, ret, args);
 }
 
 static void tcg_reg_alloc_start(TCGContext *s)