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[PATCH v3 19/34] tcg: Introduce TCGCallReturnKind and TCGCallArgumentKin
From: |
Richard Henderson |
Subject: |
[PATCH v3 19/34] tcg: Introduce TCGCallReturnKind and TCGCallArgumentKind |
Date: |
Thu, 1 Dec 2022 21:39:43 -0800 |
Prepare to replace a bunch of separate ifdefs with a
consistent way to describe the ABI of a function call.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@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
- [PATCH v3 09/34] tcg: Introduce paired register allocation, (continued)
- [PATCH v3 09/34] tcg: Introduce paired register allocation, Richard Henderson, 2022/12/02
- [PATCH v3 11/34] accel/tcg: Set cflags_next_tb in cpu_common_initfn, Richard Henderson, 2022/12/02
- [PATCH v3 08/34] tcg: Tidy tcg_reg_alloc_op, Richard Henderson, 2022/12/02
- [PATCH v3 12/34] target/sparc: Avoid TCGV_{LOW,HIGH}, Richard Henderson, 2022/12/02
- [PATCH v3 13/34] tcg: Move TCG_{LOW,HIGH} to tcg-internal.h, Richard Henderson, 2022/12/02
- [PATCH v3 14/34] tcg: Add temp_subindex to TCGTemp, Richard Henderson, 2022/12/02
- [PATCH v3 15/34] tcg: Simplify calls to temp_sync vs mem_coherent, Richard Henderson, 2022/12/02
- [PATCH v3 17/34] tcg: Move TCG_TYPE_COUNT outside enum, Richard Henderson, 2022/12/02
- [PATCH v3 16/34] tcg: Allocate TCGTemp pairs in host memory order, Richard Henderson, 2022/12/02
- [PATCH v3 18/34] tcg: Introduce tcg_type_size, Richard Henderson, 2022/12/02
- [PATCH v3 19/34] tcg: Introduce TCGCallReturnKind and TCGCallArgumentKind,
Richard Henderson <=
- [PATCH v3 21/34] tcg: Replace TCG_TARGET_EXTEND_ARGS with TCG_TARGET_CALL_ARG_I32, Richard Henderson, 2022/12/02
- [PATCH v3 20/34] tcg: Replace TCG_TARGET_CALL_ALIGN_ARGS with TCG_TARGET_CALL_ARG_I64, Richard Henderson, 2022/12/02
- [PATCH v3 22/34] tcg: Use TCG_CALL_ARG_EVEN for TCI special case, Richard Henderson, 2022/12/02
- [PATCH v3 25/34] accel/tcg/plugin: Use copy_op in append_{udata, mem}_cb, Richard Henderson, 2022/12/02
- [PATCH v3 24/34] accel/tcg/plugin: Avoid duplicate copy in copy_call, Richard Henderson, 2022/12/02
- [PATCH v3 26/34] tci: MAX_OPC_PARAM_IARGS is no longer used, Richard Henderson, 2022/12/02
- [PATCH v3 23/34] accel/tcg/plugin: Don't search for the function pointer index, Richard Henderson, 2022/12/02
- [PATCH v3 27/34] tcg: Vary the allocation size for TCGOp, Richard Henderson, 2022/12/02
- [PATCH v3 28/34] tcg: Use output_pref wrapper function, Richard Henderson, 2022/12/02
- [PATCH v3 30/34] tcg: Convert typecode_to_ffi from array to function, Richard Henderson, 2022/12/02