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diff --git a/tcg/tcg.h b/tcg/tcg.h
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+/*
+ * 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.
+ */
+#include "tcg-target.h"
+
+#if TCG_TARGET_REG_BITS == 32
+typedef int32_t tcg_target_long;
+typedef uint32_t tcg_target_ulong;
+#define TCG_PRIlx PRIx32
+#define TCG_PRIld PRId32
+#elif TCG_TARGET_REG_BITS == 64
+typedef int64_t tcg_target_long;
+typedef uint64_t tcg_target_ulong;
+#define TCG_PRIlx PRIx64
+#define TCG_PRIld PRId64
+#else
+#error unsupported
+#endif
+
+#if TCG_TARGET_NB_REGS <= 32
+typedef uint32_t TCGRegSet;
+#elif TCG_TARGET_NB_REGS <= 64
+typedef uint64_t TCGRegSet;
+#else
+#error unsupported
+#endif
+
+enum {
+#define DEF(s, n, copy_size) INDEX_op_ ## s,
+#include "tcg-opc.h"
+#undef DEF
+ NB_OPS,
+};
+
+#define tcg_regset_clear(d) (d) = 0
+#define tcg_regset_set(d, s) (d) = (s)
+#define tcg_regset_set32(d, reg, val32) (d) |= (val32) << (reg)
+#define tcg_regset_set_reg(d, r) (d) |= 1 << (r)
+#define tcg_regset_reset_reg(d, r) (d) &= ~(1 << (r))
+#define tcg_regset_test_reg(d, r) (((d) >> (r)) & 1)
+#define tcg_regset_or(d, a, b) (d) = (a) | (b)
+#define tcg_regset_and(d, a, b) (d) = (a) & (b)
+#define tcg_regset_andnot(d, a, b) (d) = (a) & ~(b)
+#define tcg_regset_not(d, a) (d) = ~(a)
+
+typedef struct TCGRelocation {
+ struct TCGRelocation *next;
+ int type;
+ uint8_t *ptr;
+ tcg_target_long addend;
+} TCGRelocation;
+
+typedef struct TCGLabel {
+ int has_value;
+ union {
+ tcg_target_ulong value;
+ TCGRelocation *first_reloc;
+ } u;
+} TCGLabel;
+
+typedef struct TCGPool {
+ struct TCGPool *next;
+ int size;
+ uint8_t data[0];
+} TCGPool;
+
+#define TCG_POOL_CHUNK_SIZE 32768
+
+#define TCG_MAX_LABELS 512
+
+#define TCG_MAX_TEMPS 256
+
+typedef int TCGType;
+
+#define TCG_TYPE_I32 0
+#define TCG_TYPE_I64 1
+
+#if TCG_TARGET_REG_BITS == 32
+#define TCG_TYPE_PTR TCG_TYPE_I32
+#else
+#define TCG_TYPE_PTR TCG_TYPE_I64
+#endif
+
+typedef tcg_target_ulong TCGArg;
+
+/* call flags */
+#define TCG_CALL_TYPE_MASK 0x000f
+#define TCG_CALL_TYPE_STD 0x0000 /* standard C call */
+#define TCG_CALL_TYPE_REGPARM_1 0x0001 /* i386 style regparm call (1 reg) */
+#define TCG_CALL_TYPE_REGPARM_2 0x0002 /* i386 style regparm call (2 regs) */
+#define TCG_CALL_TYPE_REGPARM 0x0003 /* i386 style regparm call (3 regs) */
+
+typedef enum {
+ TCG_COND_EQ,
+ TCG_COND_NE,
+ TCG_COND_LT,
+ TCG_COND_GE,
+ TCG_COND_LE,
+ TCG_COND_GT,
+ /* unsigned */
+ TCG_COND_LTU,
+ TCG_COND_GEU,
+ TCG_COND_LEU,
+ TCG_COND_GTU,
+} TCGCond;
+
+#define TEMP_VAL_DEAD 0
+#define TEMP_VAL_REG 1
+#define TEMP_VAL_MEM 2
+#define TEMP_VAL_CONST 3
+
+/* XXX: optimize memory layout */
+typedef struct TCGTemp {
+ TCGType base_type;
+ TCGType type;
+ int val_type;
+ int reg;
+ tcg_target_long val;
+ int mem_reg;
+ tcg_target_long mem_offset;
+ unsigned int fixed_reg:1;
+ unsigned int mem_coherent:1;
+ unsigned int mem_allocated:1;
+ const char *name;
+} TCGTemp;
+
+typedef struct TCGHelperInfo {
+ void *func;
+ const char *name;
+} TCGHelperInfo;
+
+typedef struct TCGContext TCGContext;
+
+typedef void TCGMacroFunc(TCGContext *s, int macro_id, const int *dead_args);
+
+struct TCGContext {
+ uint8_t *pool_cur, *pool_end;
+ TCGPool *pool_first, *pool_current;
+ TCGLabel *labels;
+ int nb_labels;
+ TCGTemp *temps; /* globals first, temps after */
+ int nb_globals;
+ int nb_temps;
+ /* constant indexes (end of temp array) */
+ int const_start;
+ int const_end;
+
+ /* goto_tb support */
+ uint8_t *code_buf;
+ unsigned long *tb_next;
+ uint16_t *tb_next_offset;
+ uint16_t *tb_jmp_offset; /* != NULL if USE_DIRECT_JUMP */
+
+ uint16_t *op_dead_iargs; /* for each operation, each bit tells if the
+ corresponding input argument is dead */
+ /* tells in which temporary a given register is. It does not take
+ into account fixed registers */
+ int reg_to_temp[TCG_TARGET_NB_REGS];
+ TCGRegSet reserved_regs;
+ tcg_target_long current_frame_offset;
+ tcg_target_long frame_start;
+ tcg_target_long frame_end;
+ int frame_reg;
+
+ uint8_t *code_ptr;
+ TCGTemp static_temps[TCG_MAX_TEMPS];
+
+ TCGMacroFunc *macro_func;
+ TCGHelperInfo *helpers;
+ int nb_helpers;
+ int allocated_helpers;
+};
+
+extern TCGContext tcg_ctx;
+extern uint16_t *gen_opc_ptr;
+extern TCGArg *gen_opparam_ptr;
+extern uint16_t gen_opc_buf[];
+extern TCGArg gen_opparam_buf[];
+
+/* pool based memory allocation */
+
+void *tcg_malloc_internal(TCGContext *s, int size);
+void tcg_pool_reset(TCGContext *s);
+void tcg_pool_delete(TCGContext *s);
+
+static inline void *tcg_malloc(int size)
+{
+ TCGContext *s = &tcg_ctx;
+ uint8_t *ptr, *ptr_end;
+ size = (size + sizeof(long) - 1) & ~(sizeof(long) - 1);
+ ptr = s->pool_cur;
+ ptr_end = ptr + size;
+ if (unlikely(ptr_end > s->pool_end)) {
+ return tcg_malloc_internal(&tcg_ctx, size);
+ } else {
+ s->pool_cur = ptr_end;
+ return ptr;
+ }
+}
+
+void tcg_context_init(TCGContext *s);
+void tcg_func_start(TCGContext *s);
+
+int dyngen_code(TCGContext *s, uint8_t *gen_code_buf);
+int dyngen_code_search_pc(TCGContext *s, uint8_t *gen_code_buf,
+ const uint8_t *searched_pc);
+
+void tcg_set_frame(TCGContext *s, int reg,
+ tcg_target_long start, tcg_target_long size);
+void tcg_set_macro_func(TCGContext *s, TCGMacroFunc *func);
+int tcg_global_reg_new(TCGType type, int reg, const char *name);
+int tcg_global_mem_new(TCGType type, int reg, tcg_target_long offset,
+ const char *name);
+int tcg_temp_new(TCGType type);
+char *tcg_get_arg_str(TCGContext *s, char *buf, int buf_size, TCGArg arg);
+
+#define TCG_CT_ALIAS 0x80
+#define TCG_CT_IALIAS 0x40
+#define TCG_CT_REG 0x01
+#define TCG_CT_CONST 0x02 /* any constant of register size */
+
+typedef struct TCGArgConstraint {
+ uint32_t ct;
+ union {
+ TCGRegSet regs;
+ } u;
+} TCGArgConstraint;
+
+#define TCG_MAX_OP_ARGS 16
+
+#define TCG_OPF_BB_END 0x01 /* instruction defines the end of a basic
+ block */
+#define TCG_OPF_CALL_CLOBBER 0x02 /* instruction clobbers call registers */
+
+typedef struct TCGOpDef {
+ const char *name;
+ uint8_t nb_oargs, nb_iargs, nb_cargs, nb_args;
+ uint8_t flags;
+ uint16_t copy_size;
+ TCGArgConstraint *args_ct;
+ int *sorted_args;
+} TCGOpDef;
+
+typedef struct TCGTargetOpDef {
+ int op;
+ const char *args_ct_str[TCG_MAX_OP_ARGS];
+} TCGTargetOpDef;
+
+extern TCGOpDef tcg_op_defs[];
+
+void tcg_target_init(TCGContext *s);
+
+#define tcg_abort() \
+do {\
+ fprintf(stderr, "%s:%d: tcg fatal error\n", __FILE__, __LINE__);\
+ abort();\
+} while (0)
+
+void tcg_add_target_add_op_defs(const TCGTargetOpDef *tdefs);
+
+void tcg_gen_call(TCGContext *s, TCGArg func, unsigned int flags,
+ unsigned int nb_rets, const TCGArg *rets,
+ unsigned int nb_params, const TCGArg *args1);
+void tcg_gen_shifti_i64(TCGArg ret, TCGArg arg1,
+ int c, int right, int arith);
+
+/* only used for debugging purposes */
+void tcg_register_helper(void *func, const char *name);
+#define TCG_HELPER(func) tcg_register_helper(func, #func)
+const char *tcg_helper_get_name(TCGContext *s, void *func);
+void tcg_dump_ops(TCGContext *s, FILE *outfile);
+
+void dump_ops(const uint16_t *opc_buf, const TCGArg *opparam_buf);
+int tcg_const_i32(int32_t val);
+int tcg_const_i64(int64_t val);
+
+#if TCG_TARGET_REG_BITS == 32
+#define tcg_const_ptr tcg_const_i32
+#define tcg_add_ptr tcg_add_i32
+#define tcg_sub_ptr tcg_sub_i32
+#else
+#define tcg_const_ptr tcg_const_i64
+#define tcg_add_ptr tcg_add_i64
+#define tcg_sub_ptr tcg_sub_i64
+#endif
+
+void tcg_out_reloc(TCGContext *s, uint8_t *code_ptr, int type,
+ int label_index, long addend);
+void tcg_reg_alloc_start(TCGContext *s);
+void tcg_reg_alloc_bb_end(TCGContext *s);
+void tcg_liveness_analysis(TCGContext *s);
+const TCGArg *tcg_gen_code_op(TCGContext *s, int opc, const TCGArg *args1,
+ unsigned int dead_iargs);
+
+const TCGArg *dyngen_op(TCGContext *s, int opc, const TCGArg *opparam_ptr);
+
+/* tcg-runtime.c */
+int64_t tcg_helper_shl_i64(int64_t arg1, int64_t arg2);
+int64_t tcg_helper_shr_i64(int64_t arg1, int64_t arg2);
+int64_t tcg_helper_sar_i64(int64_t arg1, int64_t arg2);
+int64_t tcg_helper_div_i64(int64_t arg1, int64_t arg2);
+int64_t tcg_helper_rem_i64(int64_t arg1, int64_t arg2);
+uint64_t tcg_helper_divu_i64(uint64_t arg1, uint64_t arg2);
+uint64_t tcg_helper_remu_i64(uint64_t arg1, uint64_t arg2);
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