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1 | c896fe29 | bellard | /*
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2 | c896fe29 | bellard | * Tiny Code Generator for QEMU
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3 | c896fe29 | bellard | *
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4 | c896fe29 | bellard | * Copyright (c) 2008 Fabrice Bellard
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5 | c896fe29 | bellard | *
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6 | c896fe29 | bellard | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | c896fe29 | bellard | * of this software and associated documentation files (the "Software"), to deal
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8 | c896fe29 | bellard | * in the Software without restriction, including without limitation the rights
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9 | c896fe29 | bellard | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | c896fe29 | bellard | * copies of the Software, and to permit persons to whom the Software is
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11 | c896fe29 | bellard | * furnished to do so, subject to the following conditions:
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12 | c896fe29 | bellard | *
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13 | c896fe29 | bellard | * The above copyright notice and this permission notice shall be included in
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14 | c896fe29 | bellard | * all copies or substantial portions of the Software.
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15 | c896fe29 | bellard | *
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16 | c896fe29 | bellard | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | c896fe29 | bellard | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | c896fe29 | bellard | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | c896fe29 | bellard | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | c896fe29 | bellard | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | c896fe29 | bellard | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | c896fe29 | bellard | * THE SOFTWARE.
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23 | c896fe29 | bellard | */
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24 | c896fe29 | bellard | #include "tcg-target.h" |
25 | c896fe29 | bellard | |
26 | c896fe29 | bellard | #if TCG_TARGET_REG_BITS == 32 |
27 | c896fe29 | bellard | typedef int32_t tcg_target_long;
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28 | c896fe29 | bellard | typedef uint32_t tcg_target_ulong;
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29 | c896fe29 | bellard | #define TCG_PRIlx PRIx32
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30 | c896fe29 | bellard | #define TCG_PRIld PRId32
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31 | c896fe29 | bellard | #elif TCG_TARGET_REG_BITS == 64 |
32 | c896fe29 | bellard | typedef int64_t tcg_target_long;
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33 | c896fe29 | bellard | typedef uint64_t tcg_target_ulong;
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34 | c896fe29 | bellard | #define TCG_PRIlx PRIx64
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35 | c896fe29 | bellard | #define TCG_PRIld PRId64
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36 | c896fe29 | bellard | #else
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37 | c896fe29 | bellard | #error unsupported
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38 | c896fe29 | bellard | #endif
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39 | c896fe29 | bellard | |
40 | c896fe29 | bellard | #if TCG_TARGET_NB_REGS <= 32 |
41 | c896fe29 | bellard | typedef uint32_t TCGRegSet;
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42 | c896fe29 | bellard | #elif TCG_TARGET_NB_REGS <= 64 |
43 | c896fe29 | bellard | typedef uint64_t TCGRegSet;
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44 | c896fe29 | bellard | #else
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45 | c896fe29 | bellard | #error unsupported
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46 | c896fe29 | bellard | #endif
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47 | c896fe29 | bellard | |
48 | c896fe29 | bellard | enum {
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49 | c896fe29 | bellard | #define DEF(s, n, copy_size) INDEX_op_ ## s, |
50 | c896fe29 | bellard | #include "tcg-opc.h" |
51 | c896fe29 | bellard | #undef DEF
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52 | c896fe29 | bellard | NB_OPS, |
53 | c896fe29 | bellard | }; |
54 | c896fe29 | bellard | |
55 | c896fe29 | bellard | #define tcg_regset_clear(d) (d) = 0 |
56 | c896fe29 | bellard | #define tcg_regset_set(d, s) (d) = (s)
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57 | c896fe29 | bellard | #define tcg_regset_set32(d, reg, val32) (d) |= (val32) << (reg)
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58 | c896fe29 | bellard | #define tcg_regset_set_reg(d, r) (d) |= 1 << (r) |
59 | c896fe29 | bellard | #define tcg_regset_reset_reg(d, r) (d) &= ~(1 << (r)) |
60 | c896fe29 | bellard | #define tcg_regset_test_reg(d, r) (((d) >> (r)) & 1) |
61 | c896fe29 | bellard | #define tcg_regset_or(d, a, b) (d) = (a) | (b)
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62 | c896fe29 | bellard | #define tcg_regset_and(d, a, b) (d) = (a) & (b)
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63 | c896fe29 | bellard | #define tcg_regset_andnot(d, a, b) (d) = (a) & ~(b)
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64 | c896fe29 | bellard | #define tcg_regset_not(d, a) (d) = ~(a)
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65 | c896fe29 | bellard | |
66 | c896fe29 | bellard | typedef struct TCGRelocation { |
67 | c896fe29 | bellard | struct TCGRelocation *next;
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68 | c896fe29 | bellard | int type;
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69 | c896fe29 | bellard | uint8_t *ptr; |
70 | c896fe29 | bellard | tcg_target_long addend; |
71 | c896fe29 | bellard | } TCGRelocation; |
72 | c896fe29 | bellard | |
73 | c896fe29 | bellard | typedef struct TCGLabel { |
74 | c44f945a | blueswir1 | int has_value;
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75 | c896fe29 | bellard | union {
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76 | c896fe29 | bellard | tcg_target_ulong value; |
77 | c896fe29 | bellard | TCGRelocation *first_reloc; |
78 | c896fe29 | bellard | } u; |
79 | c896fe29 | bellard | } TCGLabel; |
80 | c896fe29 | bellard | |
81 | c896fe29 | bellard | typedef struct TCGPool { |
82 | c896fe29 | bellard | struct TCGPool *next;
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83 | c44f945a | blueswir1 | int size;
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84 | c44f945a | blueswir1 | uint8_t data[0] __attribute__ ((aligned));
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85 | c896fe29 | bellard | } TCGPool; |
86 | c896fe29 | bellard | |
87 | c896fe29 | bellard | #define TCG_POOL_CHUNK_SIZE 32768 |
88 | c896fe29 | bellard | |
89 | c896fe29 | bellard | #define TCG_MAX_LABELS 512 |
90 | c896fe29 | bellard | |
91 | c4071c90 | blueswir1 | #define TCG_MAX_TEMPS 512 |
92 | c896fe29 | bellard | |
93 | b03cce8e | bellard | /* when the size of the arguments of a called function is smaller than
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94 | b03cce8e | bellard | this value, they are statically allocated in the TB stack frame */
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95 | b03cce8e | bellard | #define TCG_STATIC_CALL_ARGS_SIZE 128 |
96 | b03cce8e | bellard | |
97 | c896fe29 | bellard | typedef int TCGType; |
98 | c896fe29 | bellard | |
99 | c896fe29 | bellard | #define TCG_TYPE_I32 0 |
100 | c896fe29 | bellard | #define TCG_TYPE_I64 1 |
101 | e8996ee0 | bellard | #define TCG_TYPE_COUNT 2 /* number of different types */ |
102 | c896fe29 | bellard | |
103 | c896fe29 | bellard | #if TCG_TARGET_REG_BITS == 32 |
104 | c896fe29 | bellard | #define TCG_TYPE_PTR TCG_TYPE_I32
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105 | c896fe29 | bellard | #else
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106 | c896fe29 | bellard | #define TCG_TYPE_PTR TCG_TYPE_I64
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107 | c896fe29 | bellard | #endif
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108 | c896fe29 | bellard | |
109 | c896fe29 | bellard | typedef tcg_target_ulong TCGArg;
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110 | c896fe29 | bellard | |
111 | ac56dd48 | pbrook | /* Define a type and accessor macros for varables. Using a struct is
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112 | ac56dd48 | pbrook | nice because it gives some level of type safely. Ideally the compiler
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113 | ac56dd48 | pbrook | be able to see through all this. However in practice this is not true,
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114 | ac56dd48 | pbrook | expecially on targets with braindamaged ABIs (e.g. i386).
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115 | ac56dd48 | pbrook | We use plain int by default to avoid this runtime overhead.
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116 | ac56dd48 | pbrook | Users of tcg_gen_* don't need to know about any of this, and should
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117 | a7812ae4 | pbrook | treat TCGv as an opaque type.
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118 | a7812ae4 | pbrook | In additon we do typechecking for different types of variables. TCGv_i32
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119 | a7812ae4 | pbrook | and TCGv_i64 are 32/64-bit variables respectively. TCGv and TCGv_ptr
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120 | a7812ae4 | pbrook | are aliases for target_ulong and host pointer sized values respectively.
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121 | a7812ae4 | pbrook | */
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122 | ac56dd48 | pbrook | |
123 | 00dbbb03 | aurel32 | //#define DEBUG_TCGV 1
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124 | ac56dd48 | pbrook | |
125 | ac56dd48 | pbrook | #ifdef DEBUG_TCGV
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126 | ac56dd48 | pbrook | |
127 | ac56dd48 | pbrook | typedef struct |
128 | ac56dd48 | pbrook | { |
129 | a810a2de | blueswir1 | int i32;
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130 | a7812ae4 | pbrook | } TCGv_i32; |
131 | ac56dd48 | pbrook | |
132 | a7812ae4 | pbrook | typedef struct |
133 | a7812ae4 | pbrook | { |
134 | a810a2de | blueswir1 | int i64;
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135 | a7812ae4 | pbrook | } TCGv_i64; |
136 | a7812ae4 | pbrook | |
137 | a7812ae4 | pbrook | #define MAKE_TCGV_I32(i) __extension__ \
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138 | a7812ae4 | pbrook | ({ TCGv_i32 make_tcgv_tmp = {i}; make_tcgv_tmp;}) |
139 | a7812ae4 | pbrook | #define MAKE_TCGV_I64(i) __extension__ \
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140 | a7812ae4 | pbrook | ({ TCGv_i64 make_tcgv_tmp = {i}; make_tcgv_tmp;}) |
141 | a810a2de | blueswir1 | #define GET_TCGV_I32(t) ((t).i32)
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142 | a810a2de | blueswir1 | #define GET_TCGV_I64(t) ((t).i64)
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143 | ac56dd48 | pbrook | #if TCG_TARGET_REG_BITS == 32 |
144 | a7812ae4 | pbrook | #define TCGV_LOW(t) MAKE_TCGV_I32(GET_TCGV_I64(t))
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145 | a7812ae4 | pbrook | #define TCGV_HIGH(t) MAKE_TCGV_I32(GET_TCGV_I64(t) + 1) |
146 | ac56dd48 | pbrook | #endif
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147 | ac56dd48 | pbrook | |
148 | ac56dd48 | pbrook | #else /* !DEBUG_TCGV */ |
149 | ac56dd48 | pbrook | |
150 | a7812ae4 | pbrook | typedef int TCGv_i32; |
151 | a7812ae4 | pbrook | typedef int TCGv_i64; |
152 | a7812ae4 | pbrook | #define MAKE_TCGV_I32(x) (x)
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153 | a7812ae4 | pbrook | #define MAKE_TCGV_I64(x) (x)
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154 | a7812ae4 | pbrook | #define GET_TCGV_I32(t) (t)
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155 | a7812ae4 | pbrook | #define GET_TCGV_I64(t) (t)
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156 | ac56dd48 | pbrook | #if TCG_TARGET_REG_BITS == 32 |
157 | a7812ae4 | pbrook | #define TCGV_LOW(t) (t)
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158 | ac56dd48 | pbrook | #define TCGV_HIGH(t) ((t) + 1) |
159 | ac56dd48 | pbrook | #endif
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160 | ac56dd48 | pbrook | |
161 | ac56dd48 | pbrook | #endif /* DEBUG_TCGV */ |
162 | ac56dd48 | pbrook | |
163 | a50f5b91 | pbrook | /* Dummy definition to avoid compiler warnings. */
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164 | a7812ae4 | pbrook | #define TCGV_UNUSED_I32(x) x = MAKE_TCGV_I32(-1) |
165 | a7812ae4 | pbrook | #define TCGV_UNUSED_I64(x) x = MAKE_TCGV_I64(-1) |
166 | a50f5b91 | pbrook | |
167 | c896fe29 | bellard | /* call flags */
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168 | c896fe29 | bellard | #define TCG_CALL_TYPE_MASK 0x000f |
169 | c896fe29 | bellard | #define TCG_CALL_TYPE_STD 0x0000 /* standard C call */ |
170 | c896fe29 | bellard | #define TCG_CALL_TYPE_REGPARM_1 0x0001 /* i386 style regparm call (1 reg) */ |
171 | c896fe29 | bellard | #define TCG_CALL_TYPE_REGPARM_2 0x0002 /* i386 style regparm call (2 regs) */ |
172 | c896fe29 | bellard | #define TCG_CALL_TYPE_REGPARM 0x0003 /* i386 style regparm call (3 regs) */ |
173 | c6e113f5 | bellard | /* A pure function only reads its arguments and globals variables and
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174 | c6e113f5 | bellard | cannot raise exceptions. Hence a call to a pure function can be
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175 | c6e113f5 | bellard | safely suppressed if the return value is not used. */
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176 | c6e113f5 | bellard | #define TCG_CALL_PURE 0x0010 |
177 | c896fe29 | bellard | |
178 | 39cf05d3 | bellard | /* used to align parameters */
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179 | a7812ae4 | pbrook | #define TCG_CALL_DUMMY_TCGV MAKE_TCGV_I32(-1) |
180 | 39cf05d3 | bellard | #define TCG_CALL_DUMMY_ARG ((TCGArg)(-1)) |
181 | 39cf05d3 | bellard | |
182 | c896fe29 | bellard | typedef enum { |
183 | c896fe29 | bellard | TCG_COND_EQ, |
184 | c896fe29 | bellard | TCG_COND_NE, |
185 | c896fe29 | bellard | TCG_COND_LT, |
186 | c896fe29 | bellard | TCG_COND_GE, |
187 | c896fe29 | bellard | TCG_COND_LE, |
188 | c896fe29 | bellard | TCG_COND_GT, |
189 | c896fe29 | bellard | /* unsigned */
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190 | c896fe29 | bellard | TCG_COND_LTU, |
191 | c896fe29 | bellard | TCG_COND_GEU, |
192 | c896fe29 | bellard | TCG_COND_LEU, |
193 | c896fe29 | bellard | TCG_COND_GTU, |
194 | c896fe29 | bellard | } TCGCond; |
195 | c896fe29 | bellard | |
196 | c896fe29 | bellard | #define TEMP_VAL_DEAD 0 |
197 | c896fe29 | bellard | #define TEMP_VAL_REG 1 |
198 | c896fe29 | bellard | #define TEMP_VAL_MEM 2 |
199 | c896fe29 | bellard | #define TEMP_VAL_CONST 3 |
200 | c896fe29 | bellard | |
201 | c896fe29 | bellard | /* XXX: optimize memory layout */
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202 | c896fe29 | bellard | typedef struct TCGTemp { |
203 | c896fe29 | bellard | TCGType base_type; |
204 | c896fe29 | bellard | TCGType type; |
205 | c896fe29 | bellard | int val_type;
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206 | c896fe29 | bellard | int reg;
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207 | c896fe29 | bellard | tcg_target_long val; |
208 | c896fe29 | bellard | int mem_reg;
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209 | c896fe29 | bellard | tcg_target_long mem_offset; |
210 | c896fe29 | bellard | unsigned int fixed_reg:1; |
211 | c896fe29 | bellard | unsigned int mem_coherent:1; |
212 | c896fe29 | bellard | unsigned int mem_allocated:1; |
213 | 641d5fbe | bellard | unsigned int temp_local:1; /* If true, the temp is saved accross |
214 | 641d5fbe | bellard | basic blocks. Otherwise, it is not
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215 | 641d5fbe | bellard | preserved accross basic blocks. */
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216 | e8996ee0 | bellard | unsigned int temp_allocated:1; /* never used for code gen */ |
217 | e8996ee0 | bellard | /* index of next free temp of same base type, -1 if end */
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218 | e8996ee0 | bellard | int next_free_temp;
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219 | c896fe29 | bellard | const char *name; |
220 | c896fe29 | bellard | } TCGTemp; |
221 | c896fe29 | bellard | |
222 | c896fe29 | bellard | typedef struct TCGHelperInfo { |
223 | 4dc81f28 | bellard | tcg_target_ulong func; |
224 | c896fe29 | bellard | const char *name; |
225 | c896fe29 | bellard | } TCGHelperInfo; |
226 | c896fe29 | bellard | |
227 | c896fe29 | bellard | typedef struct TCGContext TCGContext; |
228 | c896fe29 | bellard | |
229 | c896fe29 | bellard | struct TCGContext {
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230 | c896fe29 | bellard | uint8_t *pool_cur, *pool_end; |
231 | c896fe29 | bellard | TCGPool *pool_first, *pool_current; |
232 | c896fe29 | bellard | TCGLabel *labels; |
233 | c896fe29 | bellard | int nb_labels;
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234 | c896fe29 | bellard | TCGTemp *temps; /* globals first, temps after */
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235 | c896fe29 | bellard | int nb_globals;
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236 | c896fe29 | bellard | int nb_temps;
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237 | 641d5fbe | bellard | /* index of free temps, -1 if none */
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238 | 641d5fbe | bellard | int first_free_temp[TCG_TYPE_COUNT * 2]; |
239 | c896fe29 | bellard | |
240 | c896fe29 | bellard | /* goto_tb support */
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241 | c896fe29 | bellard | uint8_t *code_buf; |
242 | c896fe29 | bellard | unsigned long *tb_next; |
243 | c896fe29 | bellard | uint16_t *tb_next_offset; |
244 | c896fe29 | bellard | uint16_t *tb_jmp_offset; /* != NULL if USE_DIRECT_JUMP */
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245 | c896fe29 | bellard | |
246 | 641d5fbe | bellard | /* liveness analysis */
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247 | c896fe29 | bellard | uint16_t *op_dead_iargs; /* for each operation, each bit tells if the
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248 | c896fe29 | bellard | corresponding input argument is dead */
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249 | 641d5fbe | bellard | |
250 | c896fe29 | bellard | /* tells in which temporary a given register is. It does not take
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251 | c896fe29 | bellard | into account fixed registers */
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252 | c896fe29 | bellard | int reg_to_temp[TCG_TARGET_NB_REGS];
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253 | c896fe29 | bellard | TCGRegSet reserved_regs; |
254 | c896fe29 | bellard | tcg_target_long current_frame_offset; |
255 | c896fe29 | bellard | tcg_target_long frame_start; |
256 | c896fe29 | bellard | tcg_target_long frame_end; |
257 | c896fe29 | bellard | int frame_reg;
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258 | c896fe29 | bellard | |
259 | c896fe29 | bellard | uint8_t *code_ptr; |
260 | c896fe29 | bellard | TCGTemp static_temps[TCG_MAX_TEMPS]; |
261 | c896fe29 | bellard | |
262 | c896fe29 | bellard | TCGHelperInfo *helpers; |
263 | c896fe29 | bellard | int nb_helpers;
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264 | c896fe29 | bellard | int allocated_helpers;
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265 | e8996ee0 | bellard | int helpers_sorted;
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266 | a23a9ec6 | bellard | |
267 | a23a9ec6 | bellard | #ifdef CONFIG_PROFILER
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268 | a23a9ec6 | bellard | /* profiling info */
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269 | a23a9ec6 | bellard | int64_t tb_count1; |
270 | a23a9ec6 | bellard | int64_t tb_count; |
271 | a23a9ec6 | bellard | int64_t op_count; /* total insn count */
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272 | a23a9ec6 | bellard | int op_count_max; /* max insn per TB */ |
273 | a23a9ec6 | bellard | int64_t temp_count; |
274 | a23a9ec6 | bellard | int temp_count_max;
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275 | a23a9ec6 | bellard | int64_t old_op_count; |
276 | a23a9ec6 | bellard | int64_t del_op_count; |
277 | a23a9ec6 | bellard | int64_t code_in_len; |
278 | a23a9ec6 | bellard | int64_t code_out_len; |
279 | a23a9ec6 | bellard | int64_t interm_time; |
280 | a23a9ec6 | bellard | int64_t code_time; |
281 | a23a9ec6 | bellard | int64_t la_time; |
282 | a23a9ec6 | bellard | int64_t restore_count; |
283 | a23a9ec6 | bellard | int64_t restore_time; |
284 | a23a9ec6 | bellard | #endif
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285 | c896fe29 | bellard | }; |
286 | c896fe29 | bellard | |
287 | c896fe29 | bellard | extern TCGContext tcg_ctx;
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288 | c896fe29 | bellard | extern uint16_t *gen_opc_ptr;
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289 | c896fe29 | bellard | extern TCGArg *gen_opparam_ptr;
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290 | c896fe29 | bellard | extern uint16_t gen_opc_buf[];
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291 | c896fe29 | bellard | extern TCGArg gen_opparam_buf[];
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292 | c896fe29 | bellard | |
293 | c896fe29 | bellard | /* pool based memory allocation */
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294 | c896fe29 | bellard | |
295 | c896fe29 | bellard | void *tcg_malloc_internal(TCGContext *s, int size); |
296 | c896fe29 | bellard | void tcg_pool_reset(TCGContext *s);
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297 | c896fe29 | bellard | void tcg_pool_delete(TCGContext *s);
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298 | c896fe29 | bellard | |
299 | c896fe29 | bellard | static inline void *tcg_malloc(int size) |
300 | c896fe29 | bellard | { |
301 | c896fe29 | bellard | TCGContext *s = &tcg_ctx; |
302 | c896fe29 | bellard | uint8_t *ptr, *ptr_end; |
303 | c896fe29 | bellard | size = (size + sizeof(long) - 1) & ~(sizeof(long) - 1); |
304 | c896fe29 | bellard | ptr = s->pool_cur; |
305 | c896fe29 | bellard | ptr_end = ptr + size; |
306 | c896fe29 | bellard | if (unlikely(ptr_end > s->pool_end)) {
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307 | c896fe29 | bellard | return tcg_malloc_internal(&tcg_ctx, size);
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308 | c896fe29 | bellard | } else {
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309 | c896fe29 | bellard | s->pool_cur = ptr_end; |
310 | c896fe29 | bellard | return ptr;
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311 | c896fe29 | bellard | } |
312 | c896fe29 | bellard | } |
313 | c896fe29 | bellard | |
314 | c896fe29 | bellard | void tcg_context_init(TCGContext *s);
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315 | c896fe29 | bellard | void tcg_func_start(TCGContext *s);
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316 | c896fe29 | bellard | |
317 | 54604f74 | aurel32 | int tcg_gen_code(TCGContext *s, uint8_t *gen_code_buf);
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318 | 54604f74 | aurel32 | int tcg_gen_code_search_pc(TCGContext *s, uint8_t *gen_code_buf, long offset); |
319 | c896fe29 | bellard | |
320 | c896fe29 | bellard | void tcg_set_frame(TCGContext *s, int reg, |
321 | c896fe29 | bellard | tcg_target_long start, tcg_target_long size); |
322 | a7812ae4 | pbrook | TCGv_i64 tcg_global_reg2_new_hack(TCGType type, int reg1, int reg2, |
323 | a7812ae4 | pbrook | const char *name); |
324 | a7812ae4 | pbrook | |
325 | a7812ae4 | pbrook | TCGv_i32 tcg_global_reg_new_i32(int reg, const char *name); |
326 | a7812ae4 | pbrook | TCGv_i32 tcg_global_mem_new_i32(int reg, tcg_target_long offset,
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327 | a7812ae4 | pbrook | const char *name); |
328 | a7812ae4 | pbrook | TCGv_i32 tcg_temp_new_internal_i32(int temp_local);
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329 | a7812ae4 | pbrook | static inline TCGv_i32 tcg_temp_new_i32(void) |
330 | a7812ae4 | pbrook | { |
331 | a7812ae4 | pbrook | return tcg_temp_new_internal_i32(0); |
332 | a7812ae4 | pbrook | } |
333 | a7812ae4 | pbrook | static inline TCGv_i32 tcg_temp_local_new_i32(void) |
334 | a7812ae4 | pbrook | { |
335 | a7812ae4 | pbrook | return tcg_temp_new_internal_i32(1); |
336 | a7812ae4 | pbrook | } |
337 | a7812ae4 | pbrook | void tcg_temp_free_i32(TCGv_i32 arg);
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338 | a7812ae4 | pbrook | char *tcg_get_arg_str_i32(TCGContext *s, char *buf, int buf_size, TCGv_i32 arg); |
339 | a7812ae4 | pbrook | |
340 | a7812ae4 | pbrook | TCGv_i64 tcg_global_reg_new_i64(int reg, const char *name); |
341 | a7812ae4 | pbrook | TCGv_i64 tcg_global_mem_new_i64(int reg, tcg_target_long offset,
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342 | a7812ae4 | pbrook | const char *name); |
343 | a7812ae4 | pbrook | TCGv_i64 tcg_temp_new_internal_i64(int temp_local);
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344 | a7812ae4 | pbrook | static inline TCGv_i64 tcg_temp_new_i64(void) |
345 | 641d5fbe | bellard | { |
346 | a7812ae4 | pbrook | return tcg_temp_new_internal_i64(0); |
347 | 641d5fbe | bellard | } |
348 | a7812ae4 | pbrook | static inline TCGv_i64 tcg_temp_local_new_i64(void) |
349 | 641d5fbe | bellard | { |
350 | a7812ae4 | pbrook | return tcg_temp_new_internal_i64(1); |
351 | 641d5fbe | bellard | } |
352 | a7812ae4 | pbrook | void tcg_temp_free_i64(TCGv_i64 arg);
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353 | a7812ae4 | pbrook | char *tcg_get_arg_str_i64(TCGContext *s, char *buf, int buf_size, TCGv_i64 arg); |
354 | a7812ae4 | pbrook | |
355 | a23a9ec6 | bellard | void tcg_dump_info(FILE *f,
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356 | a23a9ec6 | bellard | int (*cpu_fprintf)(FILE *f, const char *fmt, ...)); |
357 | c896fe29 | bellard | |
358 | c896fe29 | bellard | #define TCG_CT_ALIAS 0x80 |
359 | c896fe29 | bellard | #define TCG_CT_IALIAS 0x40 |
360 | c896fe29 | bellard | #define TCG_CT_REG 0x01 |
361 | c896fe29 | bellard | #define TCG_CT_CONST 0x02 /* any constant of register size */ |
362 | c896fe29 | bellard | |
363 | c896fe29 | bellard | typedef struct TCGArgConstraint { |
364 | 5ff9d6a4 | bellard | uint16_t ct; |
365 | 5ff9d6a4 | bellard | uint8_t alias_index; |
366 | c896fe29 | bellard | union {
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367 | c896fe29 | bellard | TCGRegSet regs; |
368 | c896fe29 | bellard | } u; |
369 | c896fe29 | bellard | } TCGArgConstraint; |
370 | c896fe29 | bellard | |
371 | c896fe29 | bellard | #define TCG_MAX_OP_ARGS 16 |
372 | c896fe29 | bellard | |
373 | c896fe29 | bellard | #define TCG_OPF_BB_END 0x01 /* instruction defines the end of a basic |
374 | c896fe29 | bellard | block */
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375 | b03cce8e | bellard | #define TCG_OPF_CALL_CLOBBER 0x02 /* instruction clobbers call registers |
376 | b03cce8e | bellard | and potentially update globals. */
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377 | b03cce8e | bellard | #define TCG_OPF_SIDE_EFFECTS 0x04 /* instruction has side effects : it |
378 | b03cce8e | bellard | cannot be removed if its output
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379 | b03cce8e | bellard | are not used */
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380 | c896fe29 | bellard | |
381 | c896fe29 | bellard | typedef struct TCGOpDef { |
382 | c896fe29 | bellard | const char *name; |
383 | c896fe29 | bellard | uint8_t nb_oargs, nb_iargs, nb_cargs, nb_args; |
384 | c896fe29 | bellard | uint8_t flags; |
385 | c896fe29 | bellard | uint16_t copy_size; |
386 | c896fe29 | bellard | TCGArgConstraint *args_ct; |
387 | c896fe29 | bellard | int *sorted_args;
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388 | c896fe29 | bellard | } TCGOpDef; |
389 | c896fe29 | bellard | |
390 | c896fe29 | bellard | typedef struct TCGTargetOpDef { |
391 | c896fe29 | bellard | int op;
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392 | c896fe29 | bellard | const char *args_ct_str[TCG_MAX_OP_ARGS]; |
393 | c896fe29 | bellard | } TCGTargetOpDef; |
394 | c896fe29 | bellard | |
395 | c896fe29 | bellard | extern TCGOpDef tcg_op_defs[];
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396 | c896fe29 | bellard | |
397 | c896fe29 | bellard | void tcg_target_init(TCGContext *s);
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398 | b03cce8e | bellard | void tcg_target_qemu_prologue(TCGContext *s);
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399 | c896fe29 | bellard | |
400 | c896fe29 | bellard | #define tcg_abort() \
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401 | c896fe29 | bellard | do {\
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402 | c896fe29 | bellard | fprintf(stderr, "%s:%d: tcg fatal error\n", __FILE__, __LINE__);\
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403 | c896fe29 | bellard | abort();\ |
404 | c896fe29 | bellard | } while (0) |
405 | c896fe29 | bellard | |
406 | c896fe29 | bellard | void tcg_add_target_add_op_defs(const TCGTargetOpDef *tdefs); |
407 | c896fe29 | bellard | |
408 | c896fe29 | bellard | #if TCG_TARGET_REG_BITS == 32 |
409 | c896fe29 | bellard | #define tcg_const_ptr tcg_const_i32
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410 | c896fe29 | bellard | #define tcg_add_ptr tcg_add_i32
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411 | c896fe29 | bellard | #define tcg_sub_ptr tcg_sub_i32
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412 | a7812ae4 | pbrook | #define TCGv_ptr TCGv_i32
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413 | a7812ae4 | pbrook | #define GET_TCGV_PTR GET_TCGV_I32
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414 | a7812ae4 | pbrook | #define tcg_global_reg_new_ptr tcg_global_reg_new_i32
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415 | a7812ae4 | pbrook | #define tcg_global_mem_new_ptr tcg_global_mem_new_i32
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416 | a7812ae4 | pbrook | #define tcg_temp_new_ptr tcg_temp_new_i32
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417 | a7812ae4 | pbrook | #define tcg_temp_free_ptr tcg_temp_free_i32
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418 | c896fe29 | bellard | #else
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419 | c896fe29 | bellard | #define tcg_const_ptr tcg_const_i64
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420 | c896fe29 | bellard | #define tcg_add_ptr tcg_add_i64
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421 | c896fe29 | bellard | #define tcg_sub_ptr tcg_sub_i64
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422 | a7812ae4 | pbrook | #define TCGv_ptr TCGv_i64
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423 | a7812ae4 | pbrook | #define GET_TCGV_PTR GET_TCGV_I64
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424 | a7812ae4 | pbrook | #define tcg_global_reg_new_ptr tcg_global_reg_new_i64
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425 | a7812ae4 | pbrook | #define tcg_global_mem_new_ptr tcg_global_mem_new_i64
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426 | a7812ae4 | pbrook | #define tcg_temp_new_ptr tcg_temp_new_i64
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427 | a7812ae4 | pbrook | #define tcg_temp_free_ptr tcg_temp_free_i64
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428 | c896fe29 | bellard | #endif
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429 | c896fe29 | bellard | |
430 | a7812ae4 | pbrook | void tcg_gen_callN(TCGContext *s, TCGv_ptr func, unsigned int flags, |
431 | a7812ae4 | pbrook | int sizemask, TCGArg ret, int nargs, TCGArg *args); |
432 | a7812ae4 | pbrook | |
433 | a7812ae4 | pbrook | void tcg_gen_shifti_i64(TCGv_i64 ret, TCGv_i64 arg1,
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434 | a7812ae4 | pbrook | int c, int right, int arith); |
435 | a7812ae4 | pbrook | |
436 | a7812ae4 | pbrook | /* only used for debugging purposes */
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437 | a7812ae4 | pbrook | void tcg_register_helper(void *func, const char *name); |
438 | a7812ae4 | pbrook | const char *tcg_helper_get_name(TCGContext *s, void *func); |
439 | a7812ae4 | pbrook | void tcg_dump_ops(TCGContext *s, FILE *outfile);
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440 | a7812ae4 | pbrook | |
441 | a7812ae4 | pbrook | void dump_ops(const uint16_t *opc_buf, const TCGArg *opparam_buf); |
442 | a7812ae4 | pbrook | TCGv_i32 tcg_const_i32(int32_t val); |
443 | a7812ae4 | pbrook | TCGv_i64 tcg_const_i64(int64_t val); |
444 | a7812ae4 | pbrook | TCGv_i32 tcg_const_local_i32(int32_t val); |
445 | a7812ae4 | pbrook | TCGv_i64 tcg_const_local_i64(int64_t val); |
446 | a7812ae4 | pbrook | |
447 | c896fe29 | bellard | void tcg_out_reloc(TCGContext *s, uint8_t *code_ptr, int type, |
448 | c896fe29 | bellard | int label_index, long addend); |
449 | c896fe29 | bellard | const TCGArg *tcg_gen_code_op(TCGContext *s, int opc, const TCGArg *args1, |
450 | c896fe29 | bellard | unsigned int dead_iargs); |
451 | c896fe29 | bellard | |
452 | c896fe29 | bellard | /* tcg-runtime.c */
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453 | c896fe29 | bellard | int64_t tcg_helper_shl_i64(int64_t arg1, int64_t arg2); |
454 | c896fe29 | bellard | int64_t tcg_helper_shr_i64(int64_t arg1, int64_t arg2); |
455 | c896fe29 | bellard | int64_t tcg_helper_sar_i64(int64_t arg1, int64_t arg2); |
456 | c896fe29 | bellard | int64_t tcg_helper_div_i64(int64_t arg1, int64_t arg2); |
457 | c896fe29 | bellard | int64_t tcg_helper_rem_i64(int64_t arg1, int64_t arg2); |
458 | c896fe29 | bellard | uint64_t tcg_helper_divu_i64(uint64_t arg1, uint64_t arg2); |
459 | c896fe29 | bellard | uint64_t tcg_helper_remu_i64(uint64_t arg1, uint64_t arg2); |
460 | b03cce8e | bellard | |
461 | b03cce8e | bellard | extern uint8_t code_gen_prologue[];
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462 | a69abbe0 | malc | #if defined(__powerpc__) && !defined(__powerpc64__)
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463 | 932a6909 | bellard | #define tcg_qemu_tb_exec(tb_ptr) \
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464 | 932a6909 | bellard | ((long REGPARM __attribute__ ((longcall)) (*)(void *))code_gen_prologue)(tb_ptr) |
465 | 932a6909 | bellard | #else
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466 | b03cce8e | bellard | #define tcg_qemu_tb_exec(tb_ptr) ((long REGPARM (*)(void *))code_gen_prologue)(tb_ptr) |
467 | 932a6909 | bellard | #endif |