LXR qemu/tcg/tcg-internal.h

   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
  30typedef struct TCGHelperInfo {
  31    void *func;
  32    const char *name;
  33    unsigned flags;
  34    unsigned typemask;
  35} TCGHelperInfo;
  36
  37extern TCGContext tcg_init_ctx;
  38extern TCGContext **tcg_ctxs;
  39extern unsigned int tcg_cur_ctxs;
  40extern unsigned int tcg_max_ctxs;
  41
  42void tcg_region_init(size_t tb_size, int splitwx, unsigned max_cpus);
  43bool tcg_region_alloc(TCGContext *s);
  44void tcg_region_initial_alloc(TCGContext *s);
  45void tcg_region_prologue_set(TCGContext *s);
  46
  47static inline void *tcg_call_func(TCGOp *op)
  48{
  49    return (void *)(uintptr_t)op->args[TCGOP_CALLO(op) + TCGOP_CALLI(op)];
  50}
  51
  52static 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
  57static inline unsigned tcg_call_flags(TCGOp *op)
  58{
  59    return tcg_call_info(op)->flags;
  60}
  61
  62#endif /* TCG_INTERNAL_H */
  63