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