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[PULL 28/47] tcg: Introduce TCGCallReturnKind and TCGCallArgumentKind
From: |
Richard Henderson |
Subject: |
[PULL 28/47] tcg: Introduce TCGCallReturnKind and TCGCallArgumentKind |
Date: |
Thu, 29 Dec 2022 16:02:02 -0800 |
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.bennee@linaro.org>
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
- [PULL 33/47] accel/tcg/plugin: Avoid duplicate copy in copy_call, (continued)
- [PULL 33/47] accel/tcg/plugin: Avoid duplicate copy in copy_call, Richard Henderson, 2022/12/29
- [PULL 34/47] accel/tcg/plugin: Use copy_op in append_{udata,mem}_cb, Richard Henderson, 2022/12/29
- [PULL 23/47] tcg: Add temp_subindex to TCGTemp, Richard Henderson, 2022/12/29
- [PULL 35/47] tcg: Pass number of arguments to tcg_emit_op() / tcg_op_insert_*(), Richard Henderson, 2022/12/29
- [PULL 37/47] tcg: Use output_pref wrapper function, Richard Henderson, 2022/12/29
- [PULL 25/47] tcg: Allocate TCGTemp pairs in host memory order, Richard Henderson, 2022/12/29
- [PULL 27/47] tcg: Introduce tcg_type_size, Richard Henderson, 2022/12/29
- [PULL 31/47] tcg: Use TCG_CALL_ARG_EVEN for TCI special case, Richard Henderson, 2022/12/29
- [PULL 29/47] tcg: Replace TCG_TARGET_CALL_ALIGN_ARGS with TCG_TARGET_CALL_ARG_I64, Richard Henderson, 2022/12/29
- [PULL 39/47] tcg: Convert typecode_to_ffi from array to function, Richard Henderson, 2022/12/29
- [PULL 28/47] tcg: Introduce TCGCallReturnKind and TCGCallArgumentKind,
Richard Henderson <=
- [PULL 32/47] accel/tcg/plugin: Don't search for the function pointer index, Richard Henderson, 2022/12/29
- [PULL 24/47] tcg: Simplify calls to temp_sync vs mem_coherent, Richard Henderson, 2022/12/29
- [PULL 30/47] tcg: Replace TCG_TARGET_EXTEND_ARGS with TCG_TARGET_CALL_ARG_I32, Richard Henderson, 2022/12/29
- [PULL 38/47] tcg: Reorg function calls, Richard Henderson, 2022/12/29
- [PULL 42/47] tcg/aarch64: Merge tcg_out_callr into tcg_out_call, Richard Henderson, 2022/12/29
- [PULL 40/47] tcg: Factor init_ffi_layouts() out of tcg_context_init(), Richard Henderson, 2022/12/29
- [PULL 41/47] tcg: Move ffi_cif pointer into TCGHelperInfo, Richard Henderson, 2022/12/29
- [PULL 46/47] accel/tcg: Handle false negative lookup in page_check_range, Richard Henderson, 2022/12/29
- [PULL 44/47] accel/tcg: Fix tb_invalidate_phys_page_unwind, Richard Henderson, 2022/12/29