1 /* 2 * Internal declarations for Tiny Code Generator for QEMU 3 * 4 * Copyright (c) 2008 Fabrice Bellard 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to deal 8 * in the Software without restriction, including without limitation the rights 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10 * copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22 * THE SOFTWARE. 23 */ 24 25 #ifndef TCG_INTERNAL_H 26 #define TCG_INTERNAL_H 1 27 28 #define TCG_HIGHWATER 1024 29 30 typedef struct TCGHelperInfo { 31 void *func; 32 const char *name; 33 unsigned flags; 34 unsigned typemask; 35 } TCGHelperInfo; 36 37 extern TCGContext tcg_init_ctx; 38 extern TCGContext **tcg_ctxs; 39 extern unsigned int tcg_cur_ctxs; 40 extern unsigned int tcg_max_ctxs; 41 42 void tcg_region_init(size_t tb_size, int splitwx, unsigned max_cpus); 43 bool tcg_region_alloc(TCGContext *s); 44 void tcg_region_initial_alloc(TCGContext *s); 45 void tcg_region_prologue_set(TCGContext *s); 46 47 static inline void *tcg_call_func(TCGOp *op) 48 { 49 return (void *)(uintptr_t)op->args[TCGOP_CALLO(op) + TCGOP_CALLI(op)]; 50 } 51 52 static inline const TCGHelperInfo *tcg_call_info(TCGOp *op) 53 { 54 return (void *)(uintptr_t)op->args[TCGOP_CALLO(op) + TCGOP_CALLI(op) + 1]; 55 } 56 57 static inline unsigned tcg_call_flags(TCGOp *op) 58 { 59 return tcg_call_info(op)->flags; 60 } 61 62 #endif /* TCG_INTERNAL_H */ 63