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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 | f8393946 | aurel32 | #include "qemu-common.h" |
25 | c896fe29 | bellard | #include "tcg-target.h" |
26 | 96e132e2 | Blue Swirl | #include "tcg-runtime.h" |
27 | c896fe29 | bellard | |
28 | c896fe29 | bellard | #if TCG_TARGET_REG_BITS == 32 |
29 | c896fe29 | bellard | typedef int32_t tcg_target_long;
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30 | c896fe29 | bellard | typedef uint32_t tcg_target_ulong;
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31 | c896fe29 | bellard | #define TCG_PRIlx PRIx32
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32 | c896fe29 | bellard | #define TCG_PRIld PRId32
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33 | c896fe29 | bellard | #elif TCG_TARGET_REG_BITS == 64 |
34 | c896fe29 | bellard | typedef int64_t tcg_target_long;
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35 | c896fe29 | bellard | typedef uint64_t tcg_target_ulong;
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36 | c896fe29 | bellard | #define TCG_PRIlx PRIx64
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37 | c896fe29 | bellard | #define TCG_PRIld PRId64
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38 | c896fe29 | bellard | #else
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39 | c896fe29 | bellard | #error unsupported
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40 | c896fe29 | bellard | #endif
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41 | c896fe29 | bellard | |
42 | c896fe29 | bellard | #if TCG_TARGET_NB_REGS <= 32 |
43 | c896fe29 | bellard | typedef uint32_t TCGRegSet;
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44 | c896fe29 | bellard | #elif TCG_TARGET_NB_REGS <= 64 |
45 | c896fe29 | bellard | typedef uint64_t TCGRegSet;
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46 | c896fe29 | bellard | #else
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47 | c896fe29 | bellard | #error unsupported
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48 | c896fe29 | bellard | #endif
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49 | c896fe29 | bellard | |
50 | c896fe29 | bellard | enum {
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51 | c896fe29 | bellard | #define DEF(s, n, copy_size) INDEX_op_ ## s, |
52 | c896fe29 | bellard | #include "tcg-opc.h" |
53 | c896fe29 | bellard | #undef DEF
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54 | c896fe29 | bellard | NB_OPS, |
55 | c896fe29 | bellard | }; |
56 | c896fe29 | bellard | |
57 | c896fe29 | bellard | #define tcg_regset_clear(d) (d) = 0 |
58 | c896fe29 | bellard | #define tcg_regset_set(d, s) (d) = (s)
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59 | c896fe29 | bellard | #define tcg_regset_set32(d, reg, val32) (d) |= (val32) << (reg)
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60 | c896fe29 | bellard | #define tcg_regset_set_reg(d, r) (d) |= 1 << (r) |
61 | c896fe29 | bellard | #define tcg_regset_reset_reg(d, r) (d) &= ~(1 << (r)) |
62 | c896fe29 | bellard | #define tcg_regset_test_reg(d, r) (((d) >> (r)) & 1) |
63 | c896fe29 | bellard | #define tcg_regset_or(d, a, b) (d) = (a) | (b)
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64 | c896fe29 | bellard | #define tcg_regset_and(d, a, b) (d) = (a) & (b)
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65 | c896fe29 | bellard | #define tcg_regset_andnot(d, a, b) (d) = (a) & ~(b)
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66 | c896fe29 | bellard | #define tcg_regset_not(d, a) (d) = ~(a)
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67 | c896fe29 | bellard | |
68 | c896fe29 | bellard | typedef struct TCGRelocation { |
69 | c896fe29 | bellard | struct TCGRelocation *next;
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70 | c896fe29 | bellard | int type;
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71 | c896fe29 | bellard | uint8_t *ptr; |
72 | c896fe29 | bellard | tcg_target_long addend; |
73 | c896fe29 | bellard | } TCGRelocation; |
74 | c896fe29 | bellard | |
75 | c896fe29 | bellard | typedef struct TCGLabel { |
76 | c44f945a | blueswir1 | int has_value;
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77 | c896fe29 | bellard | union {
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78 | c896fe29 | bellard | tcg_target_ulong value; |
79 | c896fe29 | bellard | TCGRelocation *first_reloc; |
80 | c896fe29 | bellard | } u; |
81 | c896fe29 | bellard | } TCGLabel; |
82 | c896fe29 | bellard | |
83 | c896fe29 | bellard | typedef struct TCGPool { |
84 | c896fe29 | bellard | struct TCGPool *next;
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85 | c44f945a | blueswir1 | int size;
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86 | c44f945a | blueswir1 | uint8_t data[0] __attribute__ ((aligned));
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87 | c896fe29 | bellard | } TCGPool; |
88 | c896fe29 | bellard | |
89 | c896fe29 | bellard | #define TCG_POOL_CHUNK_SIZE 32768 |
90 | c896fe29 | bellard | |
91 | c896fe29 | bellard | #define TCG_MAX_LABELS 512 |
92 | c896fe29 | bellard | |
93 | c4071c90 | blueswir1 | #define TCG_MAX_TEMPS 512 |
94 | c896fe29 | bellard | |
95 | b03cce8e | bellard | /* when the size of the arguments of a called function is smaller than
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96 | b03cce8e | bellard | this value, they are statically allocated in the TB stack frame */
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97 | b03cce8e | bellard | #define TCG_STATIC_CALL_ARGS_SIZE 128 |
98 | b03cce8e | bellard | |
99 | c896fe29 | bellard | typedef int TCGType; |
100 | c896fe29 | bellard | |
101 | c896fe29 | bellard | #define TCG_TYPE_I32 0 |
102 | c896fe29 | bellard | #define TCG_TYPE_I64 1 |
103 | e8996ee0 | bellard | #define TCG_TYPE_COUNT 2 /* number of different types */ |
104 | c896fe29 | bellard | |
105 | c896fe29 | bellard | #if TCG_TARGET_REG_BITS == 32 |
106 | c896fe29 | bellard | #define TCG_TYPE_PTR TCG_TYPE_I32
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107 | c896fe29 | bellard | #else
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108 | c896fe29 | bellard | #define TCG_TYPE_PTR TCG_TYPE_I64
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109 | c896fe29 | bellard | #endif
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110 | c896fe29 | bellard | |
111 | c896fe29 | bellard | typedef tcg_target_ulong TCGArg;
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112 | c896fe29 | bellard | |
113 | ac56dd48 | pbrook | /* Define a type and accessor macros for varables. Using a struct is
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114 | ac56dd48 | pbrook | nice because it gives some level of type safely. Ideally the compiler
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115 | ac56dd48 | pbrook | be able to see through all this. However in practice this is not true,
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116 | ac56dd48 | pbrook | expecially on targets with braindamaged ABIs (e.g. i386).
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117 | ac56dd48 | pbrook | We use plain int by default to avoid this runtime overhead.
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118 | ac56dd48 | pbrook | Users of tcg_gen_* don't need to know about any of this, and should
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119 | a7812ae4 | pbrook | treat TCGv as an opaque type.
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120 | a7812ae4 | pbrook | In additon we do typechecking for different types of variables. TCGv_i32
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121 | a7812ae4 | pbrook | and TCGv_i64 are 32/64-bit variables respectively. TCGv and TCGv_ptr
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122 | a7812ae4 | pbrook | are aliases for target_ulong and host pointer sized values respectively.
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123 | a7812ae4 | pbrook | */
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124 | ac56dd48 | pbrook | |
125 | 092c73ee | Juan Quintela | #ifdef CONFIG_DEBUG_TCG
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126 | f8393946 | aurel32 | #define DEBUG_TCGV 1 |
127 | f8393946 | aurel32 | #endif
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128 | ac56dd48 | pbrook | |
129 | ac56dd48 | pbrook | #ifdef DEBUG_TCGV
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130 | ac56dd48 | pbrook | |
131 | ac56dd48 | pbrook | typedef struct |
132 | ac56dd48 | pbrook | { |
133 | a810a2de | blueswir1 | int i32;
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134 | a7812ae4 | pbrook | } TCGv_i32; |
135 | ac56dd48 | pbrook | |
136 | a7812ae4 | pbrook | typedef struct |
137 | a7812ae4 | pbrook | { |
138 | a810a2de | blueswir1 | int i64;
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139 | a7812ae4 | pbrook | } TCGv_i64; |
140 | a7812ae4 | pbrook | |
141 | a7812ae4 | pbrook | #define MAKE_TCGV_I32(i) __extension__ \
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142 | a7812ae4 | pbrook | ({ TCGv_i32 make_tcgv_tmp = {i}; make_tcgv_tmp;}) |
143 | a7812ae4 | pbrook | #define MAKE_TCGV_I64(i) __extension__ \
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144 | a7812ae4 | pbrook | ({ TCGv_i64 make_tcgv_tmp = {i}; make_tcgv_tmp;}) |
145 | a810a2de | blueswir1 | #define GET_TCGV_I32(t) ((t).i32)
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146 | a810a2de | blueswir1 | #define GET_TCGV_I64(t) ((t).i64)
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147 | ac56dd48 | pbrook | #if TCG_TARGET_REG_BITS == 32 |
148 | a7812ae4 | pbrook | #define TCGV_LOW(t) MAKE_TCGV_I32(GET_TCGV_I64(t))
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149 | a7812ae4 | pbrook | #define TCGV_HIGH(t) MAKE_TCGV_I32(GET_TCGV_I64(t) + 1) |
150 | ac56dd48 | pbrook | #endif
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151 | ac56dd48 | pbrook | |
152 | ac56dd48 | pbrook | #else /* !DEBUG_TCGV */ |
153 | ac56dd48 | pbrook | |
154 | a7812ae4 | pbrook | typedef int TCGv_i32; |
155 | a7812ae4 | pbrook | typedef int TCGv_i64; |
156 | a7812ae4 | pbrook | #define MAKE_TCGV_I32(x) (x)
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157 | a7812ae4 | pbrook | #define MAKE_TCGV_I64(x) (x)
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158 | a7812ae4 | pbrook | #define GET_TCGV_I32(t) (t)
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159 | a7812ae4 | pbrook | #define GET_TCGV_I64(t) (t)
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160 | 44e6acb0 | aurel32 | |
161 | ac56dd48 | pbrook | #if TCG_TARGET_REG_BITS == 32 |
162 | a7812ae4 | pbrook | #define TCGV_LOW(t) (t)
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163 | ac56dd48 | pbrook | #define TCGV_HIGH(t) ((t) + 1) |
164 | ac56dd48 | pbrook | #endif
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165 | ac56dd48 | pbrook | |
166 | ac56dd48 | pbrook | #endif /* DEBUG_TCGV */ |
167 | ac56dd48 | pbrook | |
168 | 43e860ef | aurel32 | #define TCGV_EQUAL_I32(a, b) (GET_TCGV_I32(a) == GET_TCGV_I32(b))
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169 | 43e860ef | aurel32 | #define TCGV_EQUAL_I64(a, b) (GET_TCGV_I64(a) == GET_TCGV_I64(b))
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170 | 43e860ef | aurel32 | |
171 | a50f5b91 | pbrook | /* Dummy definition to avoid compiler warnings. */
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172 | a7812ae4 | pbrook | #define TCGV_UNUSED_I32(x) x = MAKE_TCGV_I32(-1) |
173 | a7812ae4 | pbrook | #define TCGV_UNUSED_I64(x) x = MAKE_TCGV_I64(-1) |
174 | a50f5b91 | pbrook | |
175 | c896fe29 | bellard | /* call flags */
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176 | c896fe29 | bellard | #define TCG_CALL_TYPE_MASK 0x000f |
177 | c896fe29 | bellard | #define TCG_CALL_TYPE_STD 0x0000 /* standard C call */ |
178 | c896fe29 | bellard | #define TCG_CALL_TYPE_REGPARM_1 0x0001 /* i386 style regparm call (1 reg) */ |
179 | c896fe29 | bellard | #define TCG_CALL_TYPE_REGPARM_2 0x0002 /* i386 style regparm call (2 regs) */ |
180 | c896fe29 | bellard | #define TCG_CALL_TYPE_REGPARM 0x0003 /* i386 style regparm call (3 regs) */ |
181 | 3e00b3f5 | aurel32 | /* A pure function only reads its arguments and TCG global variables
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182 | 34d5a9ff | aurel32 | and cannot raise exceptions. Hence a call to a pure function can be
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183 | c6e113f5 | bellard | safely suppressed if the return value is not used. */
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184 | c6e113f5 | bellard | #define TCG_CALL_PURE 0x0010 |
185 | b9c18f56 | aurel32 | /* A const function only reads its arguments and does not use TCG
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186 | 3e00b3f5 | aurel32 | global variables. Hence a call to such a function does not
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187 | 3e00b3f5 | aurel32 | save TCG global variables back to their canonical location. */
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188 | b9c18f56 | aurel32 | #define TCG_CALL_CONST 0x0020 |
189 | c896fe29 | bellard | |
190 | 39cf05d3 | bellard | /* used to align parameters */
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191 | a7812ae4 | pbrook | #define TCG_CALL_DUMMY_TCGV MAKE_TCGV_I32(-1) |
192 | 39cf05d3 | bellard | #define TCG_CALL_DUMMY_ARG ((TCGArg)(-1)) |
193 | 39cf05d3 | bellard | |
194 | c896fe29 | bellard | typedef enum { |
195 | c896fe29 | bellard | TCG_COND_EQ, |
196 | c896fe29 | bellard | TCG_COND_NE, |
197 | c896fe29 | bellard | TCG_COND_LT, |
198 | c896fe29 | bellard | TCG_COND_GE, |
199 | c896fe29 | bellard | TCG_COND_LE, |
200 | c896fe29 | bellard | TCG_COND_GT, |
201 | c896fe29 | bellard | /* unsigned */
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202 | c896fe29 | bellard | TCG_COND_LTU, |
203 | c896fe29 | bellard | TCG_COND_GEU, |
204 | c896fe29 | bellard | TCG_COND_LEU, |
205 | c896fe29 | bellard | TCG_COND_GTU, |
206 | c896fe29 | bellard | } TCGCond; |
207 | c896fe29 | bellard | |
208 | c896fe29 | bellard | #define TEMP_VAL_DEAD 0 |
209 | c896fe29 | bellard | #define TEMP_VAL_REG 1 |
210 | c896fe29 | bellard | #define TEMP_VAL_MEM 2 |
211 | c896fe29 | bellard | #define TEMP_VAL_CONST 3 |
212 | c896fe29 | bellard | |
213 | c896fe29 | bellard | /* XXX: optimize memory layout */
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214 | c896fe29 | bellard | typedef struct TCGTemp { |
215 | c896fe29 | bellard | TCGType base_type; |
216 | c896fe29 | bellard | TCGType type; |
217 | c896fe29 | bellard | int val_type;
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218 | c896fe29 | bellard | int reg;
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219 | c896fe29 | bellard | tcg_target_long val; |
220 | c896fe29 | bellard | int mem_reg;
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221 | c896fe29 | bellard | tcg_target_long mem_offset; |
222 | c896fe29 | bellard | unsigned int fixed_reg:1; |
223 | c896fe29 | bellard | unsigned int mem_coherent:1; |
224 | c896fe29 | bellard | unsigned int mem_allocated:1; |
225 | 641d5fbe | bellard | unsigned int temp_local:1; /* If true, the temp is saved accross |
226 | 641d5fbe | bellard | basic blocks. Otherwise, it is not
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227 | 641d5fbe | bellard | preserved accross basic blocks. */
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228 | e8996ee0 | bellard | unsigned int temp_allocated:1; /* never used for code gen */ |
229 | e8996ee0 | bellard | /* index of next free temp of same base type, -1 if end */
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230 | e8996ee0 | bellard | int next_free_temp;
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231 | c896fe29 | bellard | const char *name; |
232 | c896fe29 | bellard | } TCGTemp; |
233 | c896fe29 | bellard | |
234 | c896fe29 | bellard | typedef struct TCGHelperInfo { |
235 | 4dc81f28 | bellard | tcg_target_ulong func; |
236 | c896fe29 | bellard | const char *name; |
237 | c896fe29 | bellard | } TCGHelperInfo; |
238 | c896fe29 | bellard | |
239 | c896fe29 | bellard | typedef struct TCGContext TCGContext; |
240 | c896fe29 | bellard | |
241 | c896fe29 | bellard | struct TCGContext {
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242 | c896fe29 | bellard | uint8_t *pool_cur, *pool_end; |
243 | c896fe29 | bellard | TCGPool *pool_first, *pool_current; |
244 | c896fe29 | bellard | TCGLabel *labels; |
245 | c896fe29 | bellard | int nb_labels;
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246 | c896fe29 | bellard | TCGTemp *temps; /* globals first, temps after */
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247 | c896fe29 | bellard | int nb_globals;
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248 | c896fe29 | bellard | int nb_temps;
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249 | 641d5fbe | bellard | /* index of free temps, -1 if none */
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250 | 641d5fbe | bellard | int first_free_temp[TCG_TYPE_COUNT * 2]; |
251 | c896fe29 | bellard | |
252 | c896fe29 | bellard | /* goto_tb support */
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253 | c896fe29 | bellard | uint8_t *code_buf; |
254 | c896fe29 | bellard | unsigned long *tb_next; |
255 | c896fe29 | bellard | uint16_t *tb_next_offset; |
256 | c896fe29 | bellard | uint16_t *tb_jmp_offset; /* != NULL if USE_DIRECT_JUMP */
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257 | c896fe29 | bellard | |
258 | 641d5fbe | bellard | /* liveness analysis */
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259 | c896fe29 | bellard | uint16_t *op_dead_iargs; /* for each operation, each bit tells if the
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260 | c896fe29 | bellard | corresponding input argument is dead */
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261 | 641d5fbe | bellard | |
262 | c896fe29 | bellard | /* tells in which temporary a given register is. It does not take
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263 | c896fe29 | bellard | into account fixed registers */
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264 | c896fe29 | bellard | int reg_to_temp[TCG_TARGET_NB_REGS];
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265 | c896fe29 | bellard | TCGRegSet reserved_regs; |
266 | c896fe29 | bellard | tcg_target_long current_frame_offset; |
267 | c896fe29 | bellard | tcg_target_long frame_start; |
268 | c896fe29 | bellard | tcg_target_long frame_end; |
269 | c896fe29 | bellard | int frame_reg;
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270 | c896fe29 | bellard | |
271 | c896fe29 | bellard | uint8_t *code_ptr; |
272 | c896fe29 | bellard | TCGTemp static_temps[TCG_MAX_TEMPS]; |
273 | c896fe29 | bellard | |
274 | c896fe29 | bellard | TCGHelperInfo *helpers; |
275 | c896fe29 | bellard | int nb_helpers;
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276 | c896fe29 | bellard | int allocated_helpers;
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277 | e8996ee0 | bellard | int helpers_sorted;
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278 | a23a9ec6 | bellard | |
279 | a23a9ec6 | bellard | #ifdef CONFIG_PROFILER
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280 | a23a9ec6 | bellard | /* profiling info */
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281 | a23a9ec6 | bellard | int64_t tb_count1; |
282 | a23a9ec6 | bellard | int64_t tb_count; |
283 | a23a9ec6 | bellard | int64_t op_count; /* total insn count */
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284 | a23a9ec6 | bellard | int op_count_max; /* max insn per TB */ |
285 | a23a9ec6 | bellard | int64_t temp_count; |
286 | a23a9ec6 | bellard | int temp_count_max;
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287 | a23a9ec6 | bellard | int64_t del_op_count; |
288 | a23a9ec6 | bellard | int64_t code_in_len; |
289 | a23a9ec6 | bellard | int64_t code_out_len; |
290 | a23a9ec6 | bellard | int64_t interm_time; |
291 | a23a9ec6 | bellard | int64_t code_time; |
292 | a23a9ec6 | bellard | int64_t la_time; |
293 | a23a9ec6 | bellard | int64_t restore_count; |
294 | a23a9ec6 | bellard | int64_t restore_time; |
295 | a23a9ec6 | bellard | #endif
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296 | c896fe29 | bellard | }; |
297 | c896fe29 | bellard | |
298 | c896fe29 | bellard | extern TCGContext tcg_ctx;
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299 | c896fe29 | bellard | extern uint16_t *gen_opc_ptr;
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300 | c896fe29 | bellard | extern TCGArg *gen_opparam_ptr;
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301 | c896fe29 | bellard | extern uint16_t gen_opc_buf[];
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302 | c896fe29 | bellard | extern TCGArg gen_opparam_buf[];
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303 | c896fe29 | bellard | |
304 | c896fe29 | bellard | /* pool based memory allocation */
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305 | c896fe29 | bellard | |
306 | c896fe29 | bellard | void *tcg_malloc_internal(TCGContext *s, int size); |
307 | c896fe29 | bellard | void tcg_pool_reset(TCGContext *s);
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308 | c896fe29 | bellard | void tcg_pool_delete(TCGContext *s);
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309 | c896fe29 | bellard | |
310 | c896fe29 | bellard | static inline void *tcg_malloc(int size) |
311 | c896fe29 | bellard | { |
312 | c896fe29 | bellard | TCGContext *s = &tcg_ctx; |
313 | c896fe29 | bellard | uint8_t *ptr, *ptr_end; |
314 | c896fe29 | bellard | size = (size + sizeof(long) - 1) & ~(sizeof(long) - 1); |
315 | c896fe29 | bellard | ptr = s->pool_cur; |
316 | c896fe29 | bellard | ptr_end = ptr + size; |
317 | c896fe29 | bellard | if (unlikely(ptr_end > s->pool_end)) {
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318 | c896fe29 | bellard | return tcg_malloc_internal(&tcg_ctx, size);
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319 | c896fe29 | bellard | } else {
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320 | c896fe29 | bellard | s->pool_cur = ptr_end; |
321 | c896fe29 | bellard | return ptr;
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322 | c896fe29 | bellard | } |
323 | c896fe29 | bellard | } |
324 | c896fe29 | bellard | |
325 | c896fe29 | bellard | void tcg_context_init(TCGContext *s);
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326 | c896fe29 | bellard | void tcg_func_start(TCGContext *s);
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327 | c896fe29 | bellard | |
328 | 54604f74 | aurel32 | int tcg_gen_code(TCGContext *s, uint8_t *gen_code_buf);
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329 | 54604f74 | aurel32 | int tcg_gen_code_search_pc(TCGContext *s, uint8_t *gen_code_buf, long offset); |
330 | c896fe29 | bellard | |
331 | c896fe29 | bellard | void tcg_set_frame(TCGContext *s, int reg, |
332 | c896fe29 | bellard | tcg_target_long start, tcg_target_long size); |
333 | a7812ae4 | pbrook | |
334 | a7812ae4 | pbrook | TCGv_i32 tcg_global_reg_new_i32(int reg, const char *name); |
335 | a7812ae4 | pbrook | TCGv_i32 tcg_global_mem_new_i32(int reg, tcg_target_long offset,
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336 | a7812ae4 | pbrook | const char *name); |
337 | a7812ae4 | pbrook | TCGv_i32 tcg_temp_new_internal_i32(int temp_local);
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338 | a7812ae4 | pbrook | static inline TCGv_i32 tcg_temp_new_i32(void) |
339 | a7812ae4 | pbrook | { |
340 | a7812ae4 | pbrook | return tcg_temp_new_internal_i32(0); |
341 | a7812ae4 | pbrook | } |
342 | a7812ae4 | pbrook | static inline TCGv_i32 tcg_temp_local_new_i32(void) |
343 | a7812ae4 | pbrook | { |
344 | a7812ae4 | pbrook | return tcg_temp_new_internal_i32(1); |
345 | a7812ae4 | pbrook | } |
346 | a7812ae4 | pbrook | void tcg_temp_free_i32(TCGv_i32 arg);
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347 | a7812ae4 | pbrook | char *tcg_get_arg_str_i32(TCGContext *s, char *buf, int buf_size, TCGv_i32 arg); |
348 | a7812ae4 | pbrook | |
349 | a7812ae4 | pbrook | TCGv_i64 tcg_global_reg_new_i64(int reg, const char *name); |
350 | a7812ae4 | pbrook | TCGv_i64 tcg_global_mem_new_i64(int reg, tcg_target_long offset,
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351 | a7812ae4 | pbrook | const char *name); |
352 | a7812ae4 | pbrook | TCGv_i64 tcg_temp_new_internal_i64(int temp_local);
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353 | a7812ae4 | pbrook | static inline TCGv_i64 tcg_temp_new_i64(void) |
354 | 641d5fbe | bellard | { |
355 | a7812ae4 | pbrook | return tcg_temp_new_internal_i64(0); |
356 | 641d5fbe | bellard | } |
357 | a7812ae4 | pbrook | static inline TCGv_i64 tcg_temp_local_new_i64(void) |
358 | 641d5fbe | bellard | { |
359 | a7812ae4 | pbrook | return tcg_temp_new_internal_i64(1); |
360 | 641d5fbe | bellard | } |
361 | a7812ae4 | pbrook | void tcg_temp_free_i64(TCGv_i64 arg);
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362 | a7812ae4 | pbrook | char *tcg_get_arg_str_i64(TCGContext *s, char *buf, int buf_size, TCGv_i64 arg); |
363 | a7812ae4 | pbrook | |
364 | a23a9ec6 | bellard | void tcg_dump_info(FILE *f,
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365 | a23a9ec6 | bellard | int (*cpu_fprintf)(FILE *f, const char *fmt, ...)); |
366 | c896fe29 | bellard | |
367 | c896fe29 | bellard | #define TCG_CT_ALIAS 0x80 |
368 | c896fe29 | bellard | #define TCG_CT_IALIAS 0x40 |
369 | c896fe29 | bellard | #define TCG_CT_REG 0x01 |
370 | c896fe29 | bellard | #define TCG_CT_CONST 0x02 /* any constant of register size */ |
371 | c896fe29 | bellard | |
372 | c896fe29 | bellard | typedef struct TCGArgConstraint { |
373 | 5ff9d6a4 | bellard | uint16_t ct; |
374 | 5ff9d6a4 | bellard | uint8_t alias_index; |
375 | c896fe29 | bellard | union {
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376 | c896fe29 | bellard | TCGRegSet regs; |
377 | c896fe29 | bellard | } u; |
378 | c896fe29 | bellard | } TCGArgConstraint; |
379 | c896fe29 | bellard | |
380 | c896fe29 | bellard | #define TCG_MAX_OP_ARGS 16 |
381 | c896fe29 | bellard | |
382 | c896fe29 | bellard | #define TCG_OPF_BB_END 0x01 /* instruction defines the end of a basic |
383 | c896fe29 | bellard | block */
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384 | b03cce8e | bellard | #define TCG_OPF_CALL_CLOBBER 0x02 /* instruction clobbers call registers |
385 | b03cce8e | bellard | and potentially update globals. */
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386 | b03cce8e | bellard | #define TCG_OPF_SIDE_EFFECTS 0x04 /* instruction has side effects : it |
387 | b03cce8e | bellard | cannot be removed if its output
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388 | b03cce8e | bellard | are not used */
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389 | c896fe29 | bellard | |
390 | c896fe29 | bellard | typedef struct TCGOpDef { |
391 | c896fe29 | bellard | const char *name; |
392 | c896fe29 | bellard | uint8_t nb_oargs, nb_iargs, nb_cargs, nb_args; |
393 | c896fe29 | bellard | uint8_t flags; |
394 | c896fe29 | bellard | uint16_t copy_size; |
395 | c896fe29 | bellard | TCGArgConstraint *args_ct; |
396 | c896fe29 | bellard | int *sorted_args;
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397 | c896fe29 | bellard | } TCGOpDef; |
398 | c896fe29 | bellard | |
399 | c896fe29 | bellard | typedef struct TCGTargetOpDef { |
400 | c896fe29 | bellard | int op;
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401 | c896fe29 | bellard | const char *args_ct_str[TCG_MAX_OP_ARGS]; |
402 | c896fe29 | bellard | } TCGTargetOpDef; |
403 | c896fe29 | bellard | |
404 | c896fe29 | bellard | void tcg_target_init(TCGContext *s);
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405 | b03cce8e | bellard | void tcg_target_qemu_prologue(TCGContext *s);
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406 | c896fe29 | bellard | |
407 | c896fe29 | bellard | #define tcg_abort() \
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408 | c896fe29 | bellard | do {\
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409 | c896fe29 | bellard | fprintf(stderr, "%s:%d: tcg fatal error\n", __FILE__, __LINE__);\
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410 | c896fe29 | bellard | abort();\ |
411 | c896fe29 | bellard | } while (0) |
412 | c896fe29 | bellard | |
413 | c896fe29 | bellard | void tcg_add_target_add_op_defs(const TCGTargetOpDef *tdefs); |
414 | c896fe29 | bellard | |
415 | c896fe29 | bellard | #if TCG_TARGET_REG_BITS == 32 |
416 | c896fe29 | bellard | #define tcg_const_ptr tcg_const_i32
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417 | c896fe29 | bellard | #define tcg_add_ptr tcg_add_i32
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418 | c896fe29 | bellard | #define tcg_sub_ptr tcg_sub_i32
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419 | a7812ae4 | pbrook | #define TCGv_ptr TCGv_i32
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420 | a7812ae4 | pbrook | #define GET_TCGV_PTR GET_TCGV_I32
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421 | a7812ae4 | pbrook | #define tcg_global_reg_new_ptr tcg_global_reg_new_i32
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422 | a7812ae4 | pbrook | #define tcg_global_mem_new_ptr tcg_global_mem_new_i32
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423 | a7812ae4 | pbrook | #define tcg_temp_new_ptr tcg_temp_new_i32
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424 | a7812ae4 | pbrook | #define tcg_temp_free_ptr tcg_temp_free_i32
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425 | c896fe29 | bellard | #else
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426 | c896fe29 | bellard | #define tcg_const_ptr tcg_const_i64
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427 | c896fe29 | bellard | #define tcg_add_ptr tcg_add_i64
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428 | c896fe29 | bellard | #define tcg_sub_ptr tcg_sub_i64
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429 | a7812ae4 | pbrook | #define TCGv_ptr TCGv_i64
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430 | a7812ae4 | pbrook | #define GET_TCGV_PTR GET_TCGV_I64
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431 | a7812ae4 | pbrook | #define tcg_global_reg_new_ptr tcg_global_reg_new_i64
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432 | a7812ae4 | pbrook | #define tcg_global_mem_new_ptr tcg_global_mem_new_i64
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433 | a7812ae4 | pbrook | #define tcg_temp_new_ptr tcg_temp_new_i64
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434 | a7812ae4 | pbrook | #define tcg_temp_free_ptr tcg_temp_free_i64
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435 | c896fe29 | bellard | #endif
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436 | c896fe29 | bellard | |
437 | a7812ae4 | pbrook | void tcg_gen_callN(TCGContext *s, TCGv_ptr func, unsigned int flags, |
438 | a7812ae4 | pbrook | int sizemask, TCGArg ret, int nargs, TCGArg *args); |
439 | a7812ae4 | pbrook | |
440 | a7812ae4 | pbrook | void tcg_gen_shifti_i64(TCGv_i64 ret, TCGv_i64 arg1,
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441 | a7812ae4 | pbrook | int c, int right, int arith); |
442 | a7812ae4 | pbrook | |
443 | a7812ae4 | pbrook | /* only used for debugging purposes */
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444 | a7812ae4 | pbrook | void tcg_register_helper(void *func, const char *name); |
445 | a7812ae4 | pbrook | const char *tcg_helper_get_name(TCGContext *s, void *func); |
446 | a7812ae4 | pbrook | void tcg_dump_ops(TCGContext *s, FILE *outfile);
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447 | a7812ae4 | pbrook | |
448 | a7812ae4 | pbrook | void dump_ops(const uint16_t *opc_buf, const TCGArg *opparam_buf); |
449 | a7812ae4 | pbrook | TCGv_i32 tcg_const_i32(int32_t val); |
450 | a7812ae4 | pbrook | TCGv_i64 tcg_const_i64(int64_t val); |
451 | a7812ae4 | pbrook | TCGv_i32 tcg_const_local_i32(int32_t val); |
452 | a7812ae4 | pbrook | TCGv_i64 tcg_const_local_i64(int64_t val); |
453 | a7812ae4 | pbrook | |
454 | c896fe29 | bellard | void tcg_out_reloc(TCGContext *s, uint8_t *code_ptr, int type, |
455 | c896fe29 | bellard | int label_index, long addend); |
456 | c896fe29 | bellard | const TCGArg *tcg_gen_code_op(TCGContext *s, int opc, const TCGArg *args1, |
457 | c896fe29 | bellard | unsigned int dead_iargs); |
458 | c896fe29 | bellard | |
459 | b03cce8e | bellard | extern uint8_t code_gen_prologue[];
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460 | e58ffeb3 | malc | #if defined(_ARCH_PPC) && !defined(_ARCH_PPC64)
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461 | 932a6909 | bellard | #define tcg_qemu_tb_exec(tb_ptr) \
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462 | 932a6909 | bellard | ((long REGPARM __attribute__ ((longcall)) (*)(void *))code_gen_prologue)(tb_ptr) |
463 | 932a6909 | bellard | #else
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464 | b03cce8e | bellard | #define tcg_qemu_tb_exec(tb_ptr) ((long REGPARM (*)(void *))code_gen_prologue)(tb_ptr) |
465 | 932a6909 | bellard | #endif |