Prepare to replace a bunch of separate ifdefs with a
consistent way to describe the ABI of a function call.
Reviewed-by: Alex Bennée <alex.ben...@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <phi...@linaro.org>
Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
tcg/tcg-internal.h | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/tcg/tcg-internal.h b/tcg/tcg-internal.h
index 2c06b5116a..f574743ff8 100644
--- a/tcg/tcg-internal.h
+++ b/tcg/tcg-internal.h
@@ -27,6 +27,21 @@
#define TCG_HIGHWATER 1024
+/*
+ * Describe the calling convention of a given argument type.
+ */
+typedef enum {
+ TCG_CALL_RET_NORMAL, /* by registers */
+} TCGCallReturnKind;
+
+typedef enum {
+ TCG_CALL_ARG_NORMAL, /* by registers (continuing onto stack) */
+ TCG_CALL_ARG_EVEN, /* like normal, but skipping odd slots */
+ TCG_CALL_ARG_EXTEND, /* for i32, as a sign/zero-extended i64 */
+ TCG_CALL_ARG_EXTEND_U, /* ... as a zero-extended i64 */
+ TCG_CALL_ARG_EXTEND_S, /* ... as a sign-extended i64 */
+} TCGCallArgumentKind;
+
typedef struct TCGHelperInfo {
void *func;
const char *name;
--
2.34.1
