Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
637 lines
19 KiB
C
637 lines
19 KiB
C
/*
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* Tiny Code Generator for QEMU
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*
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* Copyright (c) 2008 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "qemu-common.h"
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/* Target word size (must be identical to pointer size). */
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#if UINTPTR_MAX == UINT32_MAX
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# define TCG_TARGET_REG_BITS 32
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#elif UINTPTR_MAX == UINT64_MAX
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# define TCG_TARGET_REG_BITS 64
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#else
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# error Unknown pointer size for tcg target
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#endif
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#if TCG_TARGET_REG_BITS == 32
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typedef int32_t tcg_target_long;
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typedef uint32_t tcg_target_ulong;
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#define TCG_PRIlx PRIx32
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#define TCG_PRIld PRId32
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#elif TCG_TARGET_REG_BITS == 64
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typedef int64_t tcg_target_long;
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typedef uint64_t tcg_target_ulong;
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#define TCG_PRIlx PRIx64
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#define TCG_PRIld PRId64
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#else
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#error unsupported
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#endif
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#include "tcg-target.h"
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#include "tcg-runtime.h"
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#if TCG_TARGET_NB_REGS <= 32
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typedef uint32_t TCGRegSet;
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#elif TCG_TARGET_NB_REGS <= 64
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typedef uint64_t TCGRegSet;
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#else
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#error unsupported
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#endif
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/* Turn some undef macros into false macros. */
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#if TCG_TARGET_REG_BITS == 32
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#define TCG_TARGET_HAS_div_i64 0
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#define TCG_TARGET_HAS_div2_i64 0
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#define TCG_TARGET_HAS_rot_i64 0
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#define TCG_TARGET_HAS_ext8s_i64 0
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#define TCG_TARGET_HAS_ext16s_i64 0
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#define TCG_TARGET_HAS_ext32s_i64 0
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#define TCG_TARGET_HAS_ext8u_i64 0
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#define TCG_TARGET_HAS_ext16u_i64 0
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#define TCG_TARGET_HAS_ext32u_i64 0
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#define TCG_TARGET_HAS_bswap16_i64 0
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#define TCG_TARGET_HAS_bswap32_i64 0
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#define TCG_TARGET_HAS_bswap64_i64 0
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#define TCG_TARGET_HAS_neg_i64 0
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#define TCG_TARGET_HAS_not_i64 0
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#define TCG_TARGET_HAS_andc_i64 0
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#define TCG_TARGET_HAS_orc_i64 0
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#define TCG_TARGET_HAS_eqv_i64 0
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#define TCG_TARGET_HAS_nand_i64 0
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#define TCG_TARGET_HAS_nor_i64 0
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#define TCG_TARGET_HAS_deposit_i64 0
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#define TCG_TARGET_HAS_movcond_i64 0
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#endif
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#ifndef TCG_TARGET_deposit_i32_valid
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#define TCG_TARGET_deposit_i32_valid(ofs, len) 1
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#endif
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#ifndef TCG_TARGET_deposit_i64_valid
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#define TCG_TARGET_deposit_i64_valid(ofs, len) 1
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#endif
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/* Only one of DIV or DIV2 should be defined. */
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#if defined(TCG_TARGET_HAS_div_i32)
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#define TCG_TARGET_HAS_div2_i32 0
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#elif defined(TCG_TARGET_HAS_div2_i32)
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#define TCG_TARGET_HAS_div_i32 0
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#endif
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#if defined(TCG_TARGET_HAS_div_i64)
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#define TCG_TARGET_HAS_div2_i64 0
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#elif defined(TCG_TARGET_HAS_div2_i64)
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#define TCG_TARGET_HAS_div_i64 0
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#endif
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typedef enum TCGOpcode {
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#define DEF(name, oargs, iargs, cargs, flags) INDEX_op_ ## name,
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#include "tcg-opc.h"
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#undef DEF
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NB_OPS,
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} TCGOpcode;
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#define tcg_regset_clear(d) (d) = 0
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#define tcg_regset_set(d, s) (d) = (s)
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#define tcg_regset_set32(d, reg, val32) (d) |= (val32) << (reg)
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#define tcg_regset_set_reg(d, r) (d) |= 1L << (r)
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#define tcg_regset_reset_reg(d, r) (d) &= ~(1L << (r))
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#define tcg_regset_test_reg(d, r) (((d) >> (r)) & 1)
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#define tcg_regset_or(d, a, b) (d) = (a) | (b)
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#define tcg_regset_and(d, a, b) (d) = (a) & (b)
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#define tcg_regset_andnot(d, a, b) (d) = (a) & ~(b)
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#define tcg_regset_not(d, a) (d) = ~(a)
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typedef struct TCGRelocation {
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struct TCGRelocation *next;
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int type;
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uint8_t *ptr;
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tcg_target_long addend;
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} TCGRelocation;
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typedef struct TCGLabel {
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int has_value;
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union {
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tcg_target_ulong value;
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TCGRelocation *first_reloc;
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} u;
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} TCGLabel;
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typedef struct TCGPool {
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struct TCGPool *next;
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int size;
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uint8_t data[0] __attribute__ ((aligned));
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} TCGPool;
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#define TCG_POOL_CHUNK_SIZE 32768
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#define TCG_MAX_LABELS 512
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#define TCG_MAX_TEMPS 512
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/* when the size of the arguments of a called function is smaller than
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this value, they are statically allocated in the TB stack frame */
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#define TCG_STATIC_CALL_ARGS_SIZE 128
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typedef enum TCGType {
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TCG_TYPE_I32,
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TCG_TYPE_I64,
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TCG_TYPE_COUNT, /* number of different types */
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/* An alias for the size of the host register. */
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#if TCG_TARGET_REG_BITS == 32
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TCG_TYPE_REG = TCG_TYPE_I32,
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#else
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TCG_TYPE_REG = TCG_TYPE_I64,
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#endif
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/* An alias for the size of the native pointer. We don't currently
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support any hosts with 64-bit registers and 32-bit pointers. */
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TCG_TYPE_PTR = TCG_TYPE_REG,
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/* An alias for the size of the target "long", aka register. */
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#if TARGET_LONG_BITS == 64
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TCG_TYPE_TL = TCG_TYPE_I64,
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#else
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TCG_TYPE_TL = TCG_TYPE_I32,
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#endif
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} TCGType;
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typedef tcg_target_ulong TCGArg;
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/* Define a type and accessor macros for variables. Using a struct is
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nice because it gives some level of type safely. Ideally the compiler
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be able to see through all this. However in practice this is not true,
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especially on targets with braindamaged ABIs (e.g. i386).
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We use plain int by default to avoid this runtime overhead.
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Users of tcg_gen_* don't need to know about any of this, and should
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treat TCGv as an opaque type.
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In addition we do typechecking for different types of variables. TCGv_i32
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and TCGv_i64 are 32/64-bit variables respectively. TCGv and TCGv_ptr
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are aliases for target_ulong and host pointer sized values respectively.
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*/
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#ifdef CONFIG_DEBUG_TCG
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#define DEBUG_TCGV 1
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#endif
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#ifdef DEBUG_TCGV
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typedef struct
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{
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int i32;
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} TCGv_i32;
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typedef struct
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{
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int i64;
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} TCGv_i64;
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typedef struct {
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int iptr;
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} TCGv_ptr;
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#define MAKE_TCGV_I32(i) __extension__ \
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({ TCGv_i32 make_tcgv_tmp = {i}; make_tcgv_tmp;})
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#define MAKE_TCGV_I64(i) __extension__ \
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({ TCGv_i64 make_tcgv_tmp = {i}; make_tcgv_tmp;})
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#define MAKE_TCGV_PTR(i) __extension__ \
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({ TCGv_ptr make_tcgv_tmp = {i}; make_tcgv_tmp; })
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#define GET_TCGV_I32(t) ((t).i32)
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#define GET_TCGV_I64(t) ((t).i64)
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#define GET_TCGV_PTR(t) ((t).iptr)
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#if TCG_TARGET_REG_BITS == 32
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#define TCGV_LOW(t) MAKE_TCGV_I32(GET_TCGV_I64(t))
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#define TCGV_HIGH(t) MAKE_TCGV_I32(GET_TCGV_I64(t) + 1)
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#endif
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#else /* !DEBUG_TCGV */
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typedef int TCGv_i32;
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typedef int TCGv_i64;
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#if TCG_TARGET_REG_BITS == 32
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#define TCGv_ptr TCGv_i32
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#else
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#define TCGv_ptr TCGv_i64
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#endif
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#define MAKE_TCGV_I32(x) (x)
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#define MAKE_TCGV_I64(x) (x)
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#define MAKE_TCGV_PTR(x) (x)
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#define GET_TCGV_I32(t) (t)
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#define GET_TCGV_I64(t) (t)
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#define GET_TCGV_PTR(t) (t)
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#if TCG_TARGET_REG_BITS == 32
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#define TCGV_LOW(t) (t)
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#define TCGV_HIGH(t) ((t) + 1)
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#endif
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#endif /* DEBUG_TCGV */
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#define TCGV_EQUAL_I32(a, b) (GET_TCGV_I32(a) == GET_TCGV_I32(b))
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#define TCGV_EQUAL_I64(a, b) (GET_TCGV_I64(a) == GET_TCGV_I64(b))
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/* Dummy definition to avoid compiler warnings. */
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#define TCGV_UNUSED_I32(x) x = MAKE_TCGV_I32(-1)
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#define TCGV_UNUSED_I64(x) x = MAKE_TCGV_I64(-1)
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/* call flags */
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/* Helper does not read globals (either directly or through an exception). It
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implies TCG_CALL_NO_WRITE_GLOBALS. */
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#define TCG_CALL_NO_READ_GLOBALS 0x0010
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/* Helper does not write globals */
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#define TCG_CALL_NO_WRITE_GLOBALS 0x0020
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/* Helper can be safely suppressed if the return value is not used. */
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#define TCG_CALL_NO_SIDE_EFFECTS 0x0040
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/* convenience version of most used call flags */
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#define TCG_CALL_NO_RWG TCG_CALL_NO_READ_GLOBALS
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#define TCG_CALL_NO_WG TCG_CALL_NO_WRITE_GLOBALS
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#define TCG_CALL_NO_SE TCG_CALL_NO_SIDE_EFFECTS
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#define TCG_CALL_NO_RWG_SE (TCG_CALL_NO_RWG | TCG_CALL_NO_SE)
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#define TCG_CALL_NO_WG_SE (TCG_CALL_NO_WG | TCG_CALL_NO_SE)
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/* used to align parameters */
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#define TCG_CALL_DUMMY_TCGV MAKE_TCGV_I32(-1)
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#define TCG_CALL_DUMMY_ARG ((TCGArg)(-1))
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/* Conditions. Note that these are layed out for easy manipulation by
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the the functions below:
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bit 0 is used for inverting;
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bit 1 is signed,
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bit 2 is unsigned,
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bit 3 is used with bit 0 for swapping signed/unsigned. */
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typedef enum {
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/* non-signed */
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TCG_COND_NEVER = 0 | 0 | 0 | 0,
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TCG_COND_ALWAYS = 0 | 0 | 0 | 1,
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TCG_COND_EQ = 8 | 0 | 0 | 0,
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TCG_COND_NE = 8 | 0 | 0 | 1,
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/* signed */
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TCG_COND_LT = 0 | 0 | 2 | 0,
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TCG_COND_GE = 0 | 0 | 2 | 1,
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TCG_COND_LE = 8 | 0 | 2 | 0,
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TCG_COND_GT = 8 | 0 | 2 | 1,
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/* unsigned */
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TCG_COND_LTU = 0 | 4 | 0 | 0,
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TCG_COND_GEU = 0 | 4 | 0 | 1,
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TCG_COND_LEU = 8 | 4 | 0 | 0,
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TCG_COND_GTU = 8 | 4 | 0 | 1,
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} TCGCond;
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/* Invert the sense of the comparison. */
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static inline TCGCond tcg_invert_cond(TCGCond c)
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{
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return (TCGCond)(c ^ 1);
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}
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/* Swap the operands in a comparison. */
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static inline TCGCond tcg_swap_cond(TCGCond c)
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{
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return c & 6 ? (TCGCond)(c ^ 9) : c;
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}
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/* Create an "unsigned" version of a "signed" comparison. */
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static inline TCGCond tcg_unsigned_cond(TCGCond c)
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{
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return c & 2 ? (TCGCond)(c ^ 6) : c;
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}
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/* Must a comparison be considered unsigned? */
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static inline bool is_unsigned_cond(TCGCond c)
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{
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return (c & 4) != 0;
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}
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/* Create a "high" version of a double-word comparison.
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This removes equality from a LTE or GTE comparison. */
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static inline TCGCond tcg_high_cond(TCGCond c)
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{
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switch (c) {
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case TCG_COND_GE:
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case TCG_COND_LE:
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case TCG_COND_GEU:
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case TCG_COND_LEU:
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return (TCGCond)(c ^ 8);
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default:
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return c;
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}
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}
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#define TEMP_VAL_DEAD 0
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#define TEMP_VAL_REG 1
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#define TEMP_VAL_MEM 2
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#define TEMP_VAL_CONST 3
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/* XXX: optimize memory layout */
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typedef struct TCGTemp {
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TCGType base_type;
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TCGType type;
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int val_type;
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int reg;
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tcg_target_long val;
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int mem_reg;
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tcg_target_long mem_offset;
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unsigned int fixed_reg:1;
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unsigned int mem_coherent:1;
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unsigned int mem_allocated:1;
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unsigned int temp_local:1; /* If true, the temp is saved across
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basic blocks. Otherwise, it is not
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preserved across basic blocks. */
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unsigned int temp_allocated:1; /* never used for code gen */
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/* index of next free temp of same base type, -1 if end */
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int next_free_temp;
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const char *name;
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} TCGTemp;
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typedef struct TCGHelperInfo {
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tcg_target_ulong func;
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const char *name;
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} TCGHelperInfo;
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typedef struct TCGContext TCGContext;
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struct TCGContext {
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uint8_t *pool_cur, *pool_end;
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TCGPool *pool_first, *pool_current, *pool_first_large;
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TCGLabel *labels;
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int nb_labels;
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int nb_globals;
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int nb_temps;
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/* index of free temps, -1 if none */
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int first_free_temp[TCG_TYPE_COUNT * 2];
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/* goto_tb support */
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uint8_t *code_buf;
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uintptr_t *tb_next;
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uint16_t *tb_next_offset;
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uint16_t *tb_jmp_offset; /* != NULL if USE_DIRECT_JUMP */
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/* liveness analysis */
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uint16_t *op_dead_args; /* for each operation, each bit tells if the
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corresponding argument is dead */
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uint8_t *op_sync_args; /* for each operation, each bit tells if the
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corresponding output argument needs to be
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sync to memory. */
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/* tells in which temporary a given register is. It does not take
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into account fixed registers */
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int reg_to_temp[TCG_TARGET_NB_REGS];
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TCGRegSet reserved_regs;
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tcg_target_long current_frame_offset;
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tcg_target_long frame_start;
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tcg_target_long frame_end;
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int frame_reg;
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uint8_t *code_ptr;
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TCGTemp temps[TCG_MAX_TEMPS]; /* globals first, temps after */
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TCGHelperInfo *helpers;
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int nb_helpers;
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int allocated_helpers;
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int helpers_sorted;
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#ifdef CONFIG_PROFILER
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/* profiling info */
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int64_t tb_count1;
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int64_t tb_count;
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int64_t op_count; /* total insn count */
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int op_count_max; /* max insn per TB */
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int64_t temp_count;
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int temp_count_max;
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int64_t del_op_count;
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int64_t code_in_len;
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int64_t code_out_len;
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int64_t interm_time;
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int64_t code_time;
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int64_t la_time;
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int64_t opt_time;
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int64_t restore_count;
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int64_t restore_time;
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#endif
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#ifdef CONFIG_DEBUG_TCG
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int temps_in_use;
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int goto_tb_issue_mask;
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#endif
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};
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extern TCGContext tcg_ctx;
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extern uint16_t *gen_opc_ptr;
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extern TCGArg *gen_opparam_ptr;
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extern uint16_t gen_opc_buf[];
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extern TCGArg gen_opparam_buf[];
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/* pool based memory allocation */
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void *tcg_malloc_internal(TCGContext *s, int size);
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void tcg_pool_reset(TCGContext *s);
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void tcg_pool_delete(TCGContext *s);
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static inline void *tcg_malloc(int size)
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{
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TCGContext *s = &tcg_ctx;
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uint8_t *ptr, *ptr_end;
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size = (size + sizeof(long) - 1) & ~(sizeof(long) - 1);
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ptr = s->pool_cur;
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ptr_end = ptr + size;
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if (unlikely(ptr_end > s->pool_end)) {
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return tcg_malloc_internal(&tcg_ctx, size);
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} else {
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s->pool_cur = ptr_end;
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return ptr;
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}
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}
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void tcg_context_init(TCGContext *s);
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void tcg_prologue_init(TCGContext *s);
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void tcg_func_start(TCGContext *s);
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int tcg_gen_code(TCGContext *s, uint8_t *gen_code_buf);
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int tcg_gen_code_search_pc(TCGContext *s, uint8_t *gen_code_buf, long offset);
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void tcg_set_frame(TCGContext *s, int reg,
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tcg_target_long start, tcg_target_long size);
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TCGv_i32 tcg_global_reg_new_i32(int reg, const char *name);
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TCGv_i32 tcg_global_mem_new_i32(int reg, tcg_target_long offset,
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const char *name);
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TCGv_i32 tcg_temp_new_internal_i32(int temp_local);
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static inline TCGv_i32 tcg_temp_new_i32(void)
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{
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return tcg_temp_new_internal_i32(0);
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}
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static inline TCGv_i32 tcg_temp_local_new_i32(void)
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{
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return tcg_temp_new_internal_i32(1);
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}
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void tcg_temp_free_i32(TCGv_i32 arg);
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char *tcg_get_arg_str_i32(TCGContext *s, char *buf, int buf_size, TCGv_i32 arg);
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TCGv_i64 tcg_global_reg_new_i64(int reg, const char *name);
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TCGv_i64 tcg_global_mem_new_i64(int reg, tcg_target_long offset,
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const char *name);
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TCGv_i64 tcg_temp_new_internal_i64(int temp_local);
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static inline TCGv_i64 tcg_temp_new_i64(void)
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{
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return tcg_temp_new_internal_i64(0);
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}
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static inline TCGv_i64 tcg_temp_local_new_i64(void)
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{
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return tcg_temp_new_internal_i64(1);
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}
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void tcg_temp_free_i64(TCGv_i64 arg);
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char *tcg_get_arg_str_i64(TCGContext *s, char *buf, int buf_size, TCGv_i64 arg);
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#if defined(CONFIG_DEBUG_TCG)
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/* If you call tcg_clear_temp_count() at the start of a section of
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* code which is not supposed to leak any TCG temporaries, then
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* calling tcg_check_temp_count() at the end of the section will
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* return 1 if the section did in fact leak a temporary.
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*/
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void tcg_clear_temp_count(void);
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int tcg_check_temp_count(void);
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#else
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#define tcg_clear_temp_count() do { } while (0)
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#define tcg_check_temp_count() 0
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#endif
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void tcg_dump_info(FILE *f, fprintf_function cpu_fprintf);
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#define TCG_CT_ALIAS 0x80
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#define TCG_CT_IALIAS 0x40
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#define TCG_CT_REG 0x01
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#define TCG_CT_CONST 0x02 /* any constant of register size */
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typedef struct TCGArgConstraint {
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uint16_t ct;
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uint8_t alias_index;
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union {
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TCGRegSet regs;
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} u;
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} TCGArgConstraint;
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#define TCG_MAX_OP_ARGS 16
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/* Bits for TCGOpDef->flags, 8 bits available. */
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enum {
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/* Instruction defines the end of a basic block. */
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TCG_OPF_BB_END = 0x01,
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/* Instruction clobbers call registers and potentially update globals. */
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TCG_OPF_CALL_CLOBBER = 0x02,
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/* Instruction has side effects: it cannot be removed if its outputs
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are not used, and might trigger exceptions. */
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TCG_OPF_SIDE_EFFECTS = 0x04,
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/* Instruction operands are 64-bits (otherwise 32-bits). */
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TCG_OPF_64BIT = 0x08,
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/* Instruction is optional and not implemented by the host. */
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TCG_OPF_NOT_PRESENT = 0x10,
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};
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typedef struct TCGOpDef {
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|
const char *name;
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uint8_t nb_oargs, nb_iargs, nb_cargs, nb_args;
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|
uint8_t flags;
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|
TCGArgConstraint *args_ct;
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|
int *sorted_args;
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|
#if defined(CONFIG_DEBUG_TCG)
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|
int used;
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|
#endif
|
|
} TCGOpDef;
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|
|
|
extern TCGOpDef tcg_op_defs[];
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|
extern const size_t tcg_op_defs_max;
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|
|
|
typedef struct TCGTargetOpDef {
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|
TCGOpcode op;
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|
const char *args_ct_str[TCG_MAX_OP_ARGS];
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|
} TCGTargetOpDef;
|
|
|
|
#define tcg_abort() \
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|
do {\
|
|
fprintf(stderr, "%s:%d: tcg fatal error\n", __FILE__, __LINE__);\
|
|
abort();\
|
|
} while (0)
|
|
|
|
#ifdef CONFIG_DEBUG_TCG
|
|
# define tcg_debug_assert(X) do { assert(X); } while (0)
|
|
#elif QEMU_GNUC_PREREQ(4, 5)
|
|
# define tcg_debug_assert(X) \
|
|
do { if (!(X)) { __builtin_unreachable(); } } while (0)
|
|
#else
|
|
# define tcg_debug_assert(X) do { (void)(X); } while (0)
|
|
#endif
|
|
|
|
void tcg_add_target_add_op_defs(const TCGTargetOpDef *tdefs);
|
|
|
|
#if TCG_TARGET_REG_BITS == 32
|
|
#define TCGV_NAT_TO_PTR(n) MAKE_TCGV_PTR(GET_TCGV_I32(n))
|
|
#define TCGV_PTR_TO_NAT(n) MAKE_TCGV_I32(GET_TCGV_PTR(n))
|
|
|
|
#define tcg_const_ptr(V) TCGV_NAT_TO_PTR(tcg_const_i32((tcg_target_long)(V)))
|
|
#define tcg_global_reg_new_ptr(R, N) \
|
|
TCGV_NAT_TO_PTR(tcg_global_reg_new_i32((R), (N)))
|
|
#define tcg_global_mem_new_ptr(R, O, N) \
|
|
TCGV_NAT_TO_PTR(tcg_global_mem_new_i32((R), (O), (N)))
|
|
#define tcg_temp_new_ptr() TCGV_NAT_TO_PTR(tcg_temp_new_i32())
|
|
#define tcg_temp_free_ptr(T) tcg_temp_free_i32(TCGV_PTR_TO_NAT(T))
|
|
#else
|
|
#define TCGV_NAT_TO_PTR(n) MAKE_TCGV_PTR(GET_TCGV_I64(n))
|
|
#define TCGV_PTR_TO_NAT(n) MAKE_TCGV_I64(GET_TCGV_PTR(n))
|
|
|
|
#define tcg_const_ptr(V) TCGV_NAT_TO_PTR(tcg_const_i64((tcg_target_long)(V)))
|
|
#define tcg_global_reg_new_ptr(R, N) \
|
|
TCGV_NAT_TO_PTR(tcg_global_reg_new_i64((R), (N)))
|
|
#define tcg_global_mem_new_ptr(R, O, N) \
|
|
TCGV_NAT_TO_PTR(tcg_global_mem_new_i64((R), (O), (N)))
|
|
#define tcg_temp_new_ptr() TCGV_NAT_TO_PTR(tcg_temp_new_i64())
|
|
#define tcg_temp_free_ptr(T) tcg_temp_free_i64(TCGV_PTR_TO_NAT(T))
|
|
#endif
|
|
|
|
void tcg_gen_callN(TCGContext *s, TCGv_ptr func, unsigned int flags,
|
|
int sizemask, TCGArg ret, int nargs, TCGArg *args);
|
|
|
|
void tcg_gen_shifti_i64(TCGv_i64 ret, TCGv_i64 arg1,
|
|
int c, int right, int arith);
|
|
|
|
TCGArg *tcg_optimize(TCGContext *s, uint16_t *tcg_opc_ptr, TCGArg *args,
|
|
TCGOpDef *tcg_op_def);
|
|
|
|
/* only used for debugging purposes */
|
|
void tcg_register_helper(void *func, const char *name);
|
|
const char *tcg_helper_get_name(TCGContext *s, void *func);
|
|
void tcg_dump_ops(TCGContext *s);
|
|
|
|
void dump_ops(const uint16_t *opc_buf, const TCGArg *opparam_buf);
|
|
TCGv_i32 tcg_const_i32(int32_t val);
|
|
TCGv_i64 tcg_const_i64(int64_t val);
|
|
TCGv_i32 tcg_const_local_i32(int32_t val);
|
|
TCGv_i64 tcg_const_local_i64(int64_t val);
|
|
|
|
extern uint8_t *code_gen_prologue;
|
|
|
|
/* TCG targets may use a different definition of tcg_qemu_tb_exec. */
|
|
#if !defined(tcg_qemu_tb_exec)
|
|
# define tcg_qemu_tb_exec(env, tb_ptr) \
|
|
((tcg_target_ulong (*)(void *, void *))code_gen_prologue)(env, tb_ptr)
|
|
#endif
|
|
|
|
void tcg_register_jit(void *buf, size_t buf_size);
|