f9c4bb804d
Instead of requiring a separate hash table lookup, put a pointer to the CIF into TCGHelperInfo. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20221111074101.2069454-27-richard.henderson@linaro.org> [PMD: Split from bigger patch] Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-Id: <20221122180804.938-4-philmd@linaro.org>
117 lines
3.8 KiB
C
117 lines
3.8 KiB
C
/*
|
|
* Internal declarations for Tiny Code Generator for QEMU
|
|
*
|
|
* Copyright (c) 2008 Fabrice Bellard
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
|
|
#ifndef TCG_INTERNAL_H
|
|
#define TCG_INTERNAL_H
|
|
|
|
#ifdef CONFIG_TCG_INTERPRETER
|
|
#include <ffi.h>
|
|
#endif
|
|
|
|
#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 TCGCallArgumentLoc {
|
|
TCGCallArgumentKind kind : 8;
|
|
unsigned arg_slot : 8;
|
|
unsigned ref_slot : 8;
|
|
unsigned arg_idx : 4;
|
|
unsigned tmp_subindex : 2;
|
|
} TCGCallArgumentLoc;
|
|
|
|
/* Avoid "unsigned < 0 is always false" Werror, when iarg_regs is empty. */
|
|
#define REG_P(L) \
|
|
((int)(L)->arg_slot < (int)ARRAY_SIZE(tcg_target_call_iarg_regs))
|
|
|
|
typedef struct TCGHelperInfo {
|
|
void *func;
|
|
const char *name;
|
|
#ifdef CONFIG_TCG_INTERPRETER
|
|
ffi_cif *cif;
|
|
#endif
|
|
unsigned typemask : 32;
|
|
unsigned flags : 8;
|
|
unsigned nr_in : 8;
|
|
unsigned nr_out : 8;
|
|
TCGCallReturnKind out_kind : 8;
|
|
|
|
/* Maximum physical arguments are constrained by TCG_TYPE_I128. */
|
|
TCGCallArgumentLoc in[MAX_CALL_IARGS * (128 / TCG_TARGET_REG_BITS)];
|
|
} TCGHelperInfo;
|
|
|
|
extern TCGContext tcg_init_ctx;
|
|
extern TCGContext **tcg_ctxs;
|
|
extern unsigned int tcg_cur_ctxs;
|
|
extern unsigned int tcg_max_ctxs;
|
|
|
|
void tcg_region_init(size_t tb_size, int splitwx, unsigned max_cpus);
|
|
bool tcg_region_alloc(TCGContext *s);
|
|
void tcg_region_initial_alloc(TCGContext *s);
|
|
void tcg_region_prologue_set(TCGContext *s);
|
|
|
|
static inline void *tcg_call_func(TCGOp *op)
|
|
{
|
|
return (void *)(uintptr_t)op->args[TCGOP_CALLO(op) + TCGOP_CALLI(op)];
|
|
}
|
|
|
|
static inline const TCGHelperInfo *tcg_call_info(TCGOp *op)
|
|
{
|
|
return (void *)(uintptr_t)op->args[TCGOP_CALLO(op) + TCGOP_CALLI(op) + 1];
|
|
}
|
|
|
|
static inline unsigned tcg_call_flags(TCGOp *op)
|
|
{
|
|
return tcg_call_info(op)->flags;
|
|
}
|
|
|
|
#if TCG_TARGET_REG_BITS == 32
|
|
static inline TCGv_i32 TCGV_LOW(TCGv_i64 t)
|
|
{
|
|
return temp_tcgv_i32(tcgv_i64_temp(t) + HOST_BIG_ENDIAN);
|
|
}
|
|
static inline TCGv_i32 TCGV_HIGH(TCGv_i64 t)
|
|
{
|
|
return temp_tcgv_i32(tcgv_i64_temp(t) + !HOST_BIG_ENDIAN);
|
|
}
|
|
#else
|
|
extern TCGv_i32 TCGV_LOW(TCGv_i64) QEMU_ERROR("32-bit code path is reachable");
|
|
extern TCGv_i32 TCGV_HIGH(TCGv_i64) QEMU_ERROR("32-bit code path is reachable");
|
|
#endif
|
|
|
|
#endif /* TCG_INTERNAL_H */
|