|  | /* | 
|  | * Tiny Code Interpreter for QEMU | 
|  | * | 
|  | * Copyright (c) 2009, 2011, 2016 Stefan Weil | 
|  | * | 
|  | * This program is free software: you can redistribute it and/or modify | 
|  | * it under the terms of the GNU General Public License as published by | 
|  | * the Free Software Foundation, either version 2 of the License, or | 
|  | * (at your option) any later version. | 
|  | * | 
|  | * This program is distributed in the hope that it will be useful, | 
|  | * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
|  | * GNU General Public License for more details. | 
|  | * | 
|  | * You should have received a copy of the GNU General Public License | 
|  | * along with this program.  If not, see <http://www.gnu.org/licenses/>. | 
|  | */ | 
|  |  | 
|  | #include "qemu/osdep.h" | 
|  | #include "tcg/tcg.h" | 
|  | #include "tcg/helper-info.h" | 
|  | #include "tcg/tcg-ldst.h" | 
|  | #include "disas/dis-asm.h" | 
|  | #include "tcg-has.h" | 
|  | #include <ffi.h> | 
|  |  | 
|  |  | 
|  | /* | 
|  | * Enable TCI assertions only when debugging TCG (and without NDEBUG defined). | 
|  | * Without assertions, the interpreter runs much faster. | 
|  | */ | 
|  | #if defined(CONFIG_DEBUG_TCG) | 
|  | # define tci_assert(cond) assert(cond) | 
|  | #else | 
|  | # define tci_assert(cond) ((void)(cond)) | 
|  | #endif | 
|  |  | 
|  | __thread uintptr_t tci_tb_ptr; | 
|  |  | 
|  | static void tci_write_reg64(tcg_target_ulong *regs, uint32_t high_index, | 
|  | uint32_t low_index, uint64_t value) | 
|  | { | 
|  | regs[low_index] = (uint32_t)value; | 
|  | regs[high_index] = value >> 32; | 
|  | } | 
|  |  | 
|  | /* Create a 64 bit value from two 32 bit values. */ | 
|  | static uint64_t tci_uint64(uint32_t high, uint32_t low) | 
|  | { | 
|  | return ((uint64_t)high << 32) + low; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Load sets of arguments all at once.  The naming convention is: | 
|  | *   tci_args_<arguments> | 
|  | * where arguments is a sequence of | 
|  | * | 
|  | *   b = immediate (bit position) | 
|  | *   c = condition (TCGCond) | 
|  | *   i = immediate (uint32_t) | 
|  | *   I = immediate (tcg_target_ulong) | 
|  | *   l = label or pointer | 
|  | *   m = immediate (MemOpIdx) | 
|  | *   n = immediate (call return length) | 
|  | *   r = register | 
|  | *   s = signed ldst offset | 
|  | */ | 
|  |  | 
|  | static void tci_args_l(uint32_t insn, const void *tb_ptr, void **l0) | 
|  | { | 
|  | int diff = sextract32(insn, 12, 20); | 
|  | *l0 = diff ? (void *)tb_ptr + diff : NULL; | 
|  | } | 
|  |  | 
|  | static void tci_args_r(uint32_t insn, TCGReg *r0) | 
|  | { | 
|  | *r0 = extract32(insn, 8, 4); | 
|  | } | 
|  |  | 
|  | static void tci_args_nl(uint32_t insn, const void *tb_ptr, | 
|  | uint8_t *n0, void **l1) | 
|  | { | 
|  | *n0 = extract32(insn, 8, 4); | 
|  | *l1 = sextract32(insn, 12, 20) + (void *)tb_ptr; | 
|  | } | 
|  |  | 
|  | static void tci_args_rl(uint32_t insn, const void *tb_ptr, | 
|  | TCGReg *r0, void **l1) | 
|  | { | 
|  | *r0 = extract32(insn, 8, 4); | 
|  | *l1 = sextract32(insn, 12, 20) + (void *)tb_ptr; | 
|  | } | 
|  |  | 
|  | static void tci_args_rr(uint32_t insn, TCGReg *r0, TCGReg *r1) | 
|  | { | 
|  | *r0 = extract32(insn, 8, 4); | 
|  | *r1 = extract32(insn, 12, 4); | 
|  | } | 
|  |  | 
|  | static void tci_args_ri(uint32_t insn, TCGReg *r0, tcg_target_ulong *i1) | 
|  | { | 
|  | *r0 = extract32(insn, 8, 4); | 
|  | *i1 = sextract32(insn, 12, 20); | 
|  | } | 
|  |  | 
|  | static void tci_args_rrm(uint32_t insn, TCGReg *r0, | 
|  | TCGReg *r1, MemOpIdx *m2) | 
|  | { | 
|  | *r0 = extract32(insn, 8, 4); | 
|  | *r1 = extract32(insn, 12, 4); | 
|  | *m2 = extract32(insn, 16, 16); | 
|  | } | 
|  |  | 
|  | static void tci_args_rrr(uint32_t insn, TCGReg *r0, TCGReg *r1, TCGReg *r2) | 
|  | { | 
|  | *r0 = extract32(insn, 8, 4); | 
|  | *r1 = extract32(insn, 12, 4); | 
|  | *r2 = extract32(insn, 16, 4); | 
|  | } | 
|  |  | 
|  | static void tci_args_rrs(uint32_t insn, TCGReg *r0, TCGReg *r1, int32_t *i2) | 
|  | { | 
|  | *r0 = extract32(insn, 8, 4); | 
|  | *r1 = extract32(insn, 12, 4); | 
|  | *i2 = sextract32(insn, 16, 16); | 
|  | } | 
|  |  | 
|  | static void tci_args_rrbb(uint32_t insn, TCGReg *r0, TCGReg *r1, | 
|  | uint8_t *i2, uint8_t *i3) | 
|  | { | 
|  | *r0 = extract32(insn, 8, 4); | 
|  | *r1 = extract32(insn, 12, 4); | 
|  | *i2 = extract32(insn, 16, 6); | 
|  | *i3 = extract32(insn, 22, 6); | 
|  | } | 
|  |  | 
|  | static void tci_args_rrrc(uint32_t insn, | 
|  | TCGReg *r0, TCGReg *r1, TCGReg *r2, TCGCond *c3) | 
|  | { | 
|  | *r0 = extract32(insn, 8, 4); | 
|  | *r1 = extract32(insn, 12, 4); | 
|  | *r2 = extract32(insn, 16, 4); | 
|  | *c3 = extract32(insn, 20, 4); | 
|  | } | 
|  |  | 
|  | static void tci_args_rrrbb(uint32_t insn, TCGReg *r0, TCGReg *r1, | 
|  | TCGReg *r2, uint8_t *i3, uint8_t *i4) | 
|  | { | 
|  | *r0 = extract32(insn, 8, 4); | 
|  | *r1 = extract32(insn, 12, 4); | 
|  | *r2 = extract32(insn, 16, 4); | 
|  | *i3 = extract32(insn, 20, 6); | 
|  | *i4 = extract32(insn, 26, 6); | 
|  | } | 
|  |  | 
|  | static void tci_args_rrrrr(uint32_t insn, TCGReg *r0, TCGReg *r1, | 
|  | TCGReg *r2, TCGReg *r3, TCGReg *r4) | 
|  | { | 
|  | *r0 = extract32(insn, 8, 4); | 
|  | *r1 = extract32(insn, 12, 4); | 
|  | *r2 = extract32(insn, 16, 4); | 
|  | *r3 = extract32(insn, 20, 4); | 
|  | *r4 = extract32(insn, 24, 4); | 
|  | } | 
|  |  | 
|  | static void tci_args_rrrr(uint32_t insn, | 
|  | TCGReg *r0, TCGReg *r1, TCGReg *r2, TCGReg *r3) | 
|  | { | 
|  | *r0 = extract32(insn, 8, 4); | 
|  | *r1 = extract32(insn, 12, 4); | 
|  | *r2 = extract32(insn, 16, 4); | 
|  | *r3 = extract32(insn, 20, 4); | 
|  | } | 
|  |  | 
|  | static void tci_args_rrrrrc(uint32_t insn, TCGReg *r0, TCGReg *r1, | 
|  | TCGReg *r2, TCGReg *r3, TCGReg *r4, TCGCond *c5) | 
|  | { | 
|  | *r0 = extract32(insn, 8, 4); | 
|  | *r1 = extract32(insn, 12, 4); | 
|  | *r2 = extract32(insn, 16, 4); | 
|  | *r3 = extract32(insn, 20, 4); | 
|  | *r4 = extract32(insn, 24, 4); | 
|  | *c5 = extract32(insn, 28, 4); | 
|  | } | 
|  |  | 
|  | static void tci_args_rrrrrr(uint32_t insn, TCGReg *r0, TCGReg *r1, | 
|  | TCGReg *r2, TCGReg *r3, TCGReg *r4, TCGReg *r5) | 
|  | { | 
|  | *r0 = extract32(insn, 8, 4); | 
|  | *r1 = extract32(insn, 12, 4); | 
|  | *r2 = extract32(insn, 16, 4); | 
|  | *r3 = extract32(insn, 20, 4); | 
|  | *r4 = extract32(insn, 24, 4); | 
|  | *r5 = extract32(insn, 28, 4); | 
|  | } | 
|  |  | 
|  | static bool tci_compare32(uint32_t u0, uint32_t u1, TCGCond condition) | 
|  | { | 
|  | bool result = false; | 
|  | int32_t i0 = u0; | 
|  | int32_t i1 = u1; | 
|  | switch (condition) { | 
|  | case TCG_COND_EQ: | 
|  | result = (u0 == u1); | 
|  | break; | 
|  | case TCG_COND_NE: | 
|  | result = (u0 != u1); | 
|  | break; | 
|  | case TCG_COND_LT: | 
|  | result = (i0 < i1); | 
|  | break; | 
|  | case TCG_COND_GE: | 
|  | result = (i0 >= i1); | 
|  | break; | 
|  | case TCG_COND_LE: | 
|  | result = (i0 <= i1); | 
|  | break; | 
|  | case TCG_COND_GT: | 
|  | result = (i0 > i1); | 
|  | break; | 
|  | case TCG_COND_LTU: | 
|  | result = (u0 < u1); | 
|  | break; | 
|  | case TCG_COND_GEU: | 
|  | result = (u0 >= u1); | 
|  | break; | 
|  | case TCG_COND_LEU: | 
|  | result = (u0 <= u1); | 
|  | break; | 
|  | case TCG_COND_GTU: | 
|  | result = (u0 > u1); | 
|  | break; | 
|  | case TCG_COND_TSTEQ: | 
|  | result = (u0 & u1) == 0; | 
|  | break; | 
|  | case TCG_COND_TSTNE: | 
|  | result = (u0 & u1) != 0; | 
|  | break; | 
|  | default: | 
|  | g_assert_not_reached(); | 
|  | } | 
|  | return result; | 
|  | } | 
|  |  | 
|  | static bool tci_compare64(uint64_t u0, uint64_t u1, TCGCond condition) | 
|  | { | 
|  | bool result = false; | 
|  | int64_t i0 = u0; | 
|  | int64_t i1 = u1; | 
|  | switch (condition) { | 
|  | case TCG_COND_EQ: | 
|  | result = (u0 == u1); | 
|  | break; | 
|  | case TCG_COND_NE: | 
|  | result = (u0 != u1); | 
|  | break; | 
|  | case TCG_COND_LT: | 
|  | result = (i0 < i1); | 
|  | break; | 
|  | case TCG_COND_GE: | 
|  | result = (i0 >= i1); | 
|  | break; | 
|  | case TCG_COND_LE: | 
|  | result = (i0 <= i1); | 
|  | break; | 
|  | case TCG_COND_GT: | 
|  | result = (i0 > i1); | 
|  | break; | 
|  | case TCG_COND_LTU: | 
|  | result = (u0 < u1); | 
|  | break; | 
|  | case TCG_COND_GEU: | 
|  | result = (u0 >= u1); | 
|  | break; | 
|  | case TCG_COND_LEU: | 
|  | result = (u0 <= u1); | 
|  | break; | 
|  | case TCG_COND_GTU: | 
|  | result = (u0 > u1); | 
|  | break; | 
|  | case TCG_COND_TSTEQ: | 
|  | result = (u0 & u1) == 0; | 
|  | break; | 
|  | case TCG_COND_TSTNE: | 
|  | result = (u0 & u1) != 0; | 
|  | break; | 
|  | default: | 
|  | g_assert_not_reached(); | 
|  | } | 
|  | return result; | 
|  | } | 
|  |  | 
|  | static uint64_t tci_qemu_ld(CPUArchState *env, uint64_t taddr, | 
|  | MemOpIdx oi, const void *tb_ptr) | 
|  | { | 
|  | MemOp mop = get_memop(oi); | 
|  | uintptr_t ra = (uintptr_t)tb_ptr; | 
|  |  | 
|  | switch (mop & MO_SSIZE) { | 
|  | case MO_UB: | 
|  | return helper_ldub_mmu(env, taddr, oi, ra); | 
|  | case MO_SB: | 
|  | return helper_ldsb_mmu(env, taddr, oi, ra); | 
|  | case MO_UW: | 
|  | return helper_lduw_mmu(env, taddr, oi, ra); | 
|  | case MO_SW: | 
|  | return helper_ldsw_mmu(env, taddr, oi, ra); | 
|  | case MO_UL: | 
|  | return helper_ldul_mmu(env, taddr, oi, ra); | 
|  | case MO_SL: | 
|  | return helper_ldsl_mmu(env, taddr, oi, ra); | 
|  | case MO_UQ: | 
|  | return helper_ldq_mmu(env, taddr, oi, ra); | 
|  | default: | 
|  | g_assert_not_reached(); | 
|  | } | 
|  | } | 
|  |  | 
|  | static void tci_qemu_st(CPUArchState *env, uint64_t taddr, uint64_t val, | 
|  | MemOpIdx oi, const void *tb_ptr) | 
|  | { | 
|  | MemOp mop = get_memop(oi); | 
|  | uintptr_t ra = (uintptr_t)tb_ptr; | 
|  |  | 
|  | switch (mop & MO_SIZE) { | 
|  | case MO_UB: | 
|  | helper_stb_mmu(env, taddr, val, oi, ra); | 
|  | break; | 
|  | case MO_UW: | 
|  | helper_stw_mmu(env, taddr, val, oi, ra); | 
|  | break; | 
|  | case MO_UL: | 
|  | helper_stl_mmu(env, taddr, val, oi, ra); | 
|  | break; | 
|  | case MO_UQ: | 
|  | helper_stq_mmu(env, taddr, val, oi, ra); | 
|  | break; | 
|  | default: | 
|  | g_assert_not_reached(); | 
|  | } | 
|  | } | 
|  |  | 
|  | #if TCG_TARGET_REG_BITS == 64 | 
|  | # define CASE_32_64(x) \ | 
|  | case glue(glue(INDEX_op_, x), _i64): \ | 
|  | case glue(glue(INDEX_op_, x), _i32): | 
|  | # define CASE_64(x) \ | 
|  | case glue(glue(INDEX_op_, x), _i64): | 
|  | #else | 
|  | # define CASE_32_64(x) \ | 
|  | case glue(glue(INDEX_op_, x), _i32): | 
|  | # define CASE_64(x) | 
|  | #endif | 
|  |  | 
|  | /* Interpret pseudo code in tb. */ | 
|  | /* | 
|  | * Disable CFI checks. | 
|  | * One possible operation in the pseudo code is a call to binary code. | 
|  | * Therefore, disable CFI checks in the interpreter function | 
|  | */ | 
|  | uintptr_t QEMU_DISABLE_CFI tcg_qemu_tb_exec(CPUArchState *env, | 
|  | const void *v_tb_ptr) | 
|  | { | 
|  | const uint32_t *tb_ptr = v_tb_ptr; | 
|  | tcg_target_ulong regs[TCG_TARGET_NB_REGS]; | 
|  | uint64_t stack[(TCG_STATIC_CALL_ARGS_SIZE + TCG_STATIC_FRAME_SIZE) | 
|  | / sizeof(uint64_t)]; | 
|  |  | 
|  | regs[TCG_AREG0] = (tcg_target_ulong)env; | 
|  | regs[TCG_REG_CALL_STACK] = (uintptr_t)stack; | 
|  | tci_assert(tb_ptr); | 
|  |  | 
|  | for (;;) { | 
|  | uint32_t insn; | 
|  | TCGOpcode opc; | 
|  | TCGReg r0, r1, r2, r3, r4, r5; | 
|  | tcg_target_ulong t1; | 
|  | TCGCond condition; | 
|  | uint8_t pos, len; | 
|  | uint32_t tmp32; | 
|  | uint64_t tmp64, taddr; | 
|  | uint64_t T1, T2; | 
|  | MemOpIdx oi; | 
|  | int32_t ofs; | 
|  | void *ptr; | 
|  |  | 
|  | insn = *tb_ptr++; | 
|  | opc = extract32(insn, 0, 8); | 
|  |  | 
|  | switch (opc) { | 
|  | case INDEX_op_call: | 
|  | { | 
|  | void *call_slots[MAX_CALL_IARGS]; | 
|  | ffi_cif *cif; | 
|  | void *func; | 
|  | unsigned i, s, n; | 
|  |  | 
|  | tci_args_nl(insn, tb_ptr, &len, &ptr); | 
|  | func = ((void **)ptr)[0]; | 
|  | cif = ((void **)ptr)[1]; | 
|  |  | 
|  | n = cif->nargs; | 
|  | for (i = s = 0; i < n; ++i) { | 
|  | ffi_type *t = cif->arg_types[i]; | 
|  | call_slots[i] = &stack[s]; | 
|  | s += DIV_ROUND_UP(t->size, 8); | 
|  | } | 
|  |  | 
|  | /* Helper functions may need to access the "return address" */ | 
|  | tci_tb_ptr = (uintptr_t)tb_ptr; | 
|  | ffi_call(cif, func, stack, call_slots); | 
|  | } | 
|  |  | 
|  | switch (len) { | 
|  | case 0: /* void */ | 
|  | break; | 
|  | case 1: /* uint32_t */ | 
|  | /* | 
|  | * The result winds up "left-aligned" in the stack[0] slot. | 
|  | * Note that libffi has an odd special case in that it will | 
|  | * always widen an integral result to ffi_arg. | 
|  | */ | 
|  | if (sizeof(ffi_arg) == 8) { | 
|  | regs[TCG_REG_R0] = (uint32_t)stack[0]; | 
|  | } else { | 
|  | regs[TCG_REG_R0] = *(uint32_t *)stack; | 
|  | } | 
|  | break; | 
|  | case 2: /* uint64_t */ | 
|  | /* | 
|  | * For TCG_TARGET_REG_BITS == 32, the register pair | 
|  | * must stay in host memory order. | 
|  | */ | 
|  | memcpy(®s[TCG_REG_R0], stack, 8); | 
|  | break; | 
|  | case 3: /* Int128 */ | 
|  | memcpy(®s[TCG_REG_R0], stack, 16); | 
|  | break; | 
|  | default: | 
|  | g_assert_not_reached(); | 
|  | } | 
|  | break; | 
|  |  | 
|  | case INDEX_op_br: | 
|  | tci_args_l(insn, tb_ptr, &ptr); | 
|  | tb_ptr = ptr; | 
|  | continue; | 
|  | case INDEX_op_setcond_i32: | 
|  | tci_args_rrrc(insn, &r0, &r1, &r2, &condition); | 
|  | regs[r0] = tci_compare32(regs[r1], regs[r2], condition); | 
|  | break; | 
|  | case INDEX_op_movcond_i32: | 
|  | tci_args_rrrrrc(insn, &r0, &r1, &r2, &r3, &r4, &condition); | 
|  | tmp32 = tci_compare32(regs[r1], regs[r2], condition); | 
|  | regs[r0] = regs[tmp32 ? r3 : r4]; | 
|  | break; | 
|  | #if TCG_TARGET_REG_BITS == 32 | 
|  | case INDEX_op_setcond2_i32: | 
|  | tci_args_rrrrrc(insn, &r0, &r1, &r2, &r3, &r4, &condition); | 
|  | T1 = tci_uint64(regs[r2], regs[r1]); | 
|  | T2 = tci_uint64(regs[r4], regs[r3]); | 
|  | regs[r0] = tci_compare64(T1, T2, condition); | 
|  | break; | 
|  | #elif TCG_TARGET_REG_BITS == 64 | 
|  | case INDEX_op_setcond_i64: | 
|  | tci_args_rrrc(insn, &r0, &r1, &r2, &condition); | 
|  | regs[r0] = tci_compare64(regs[r1], regs[r2], condition); | 
|  | break; | 
|  | case INDEX_op_movcond_i64: | 
|  | tci_args_rrrrrc(insn, &r0, &r1, &r2, &r3, &r4, &condition); | 
|  | tmp32 = tci_compare64(regs[r1], regs[r2], condition); | 
|  | regs[r0] = regs[tmp32 ? r3 : r4]; | 
|  | break; | 
|  | #endif | 
|  | CASE_32_64(mov) | 
|  | tci_args_rr(insn, &r0, &r1); | 
|  | regs[r0] = regs[r1]; | 
|  | break; | 
|  | case INDEX_op_tci_movi: | 
|  | tci_args_ri(insn, &r0, &t1); | 
|  | regs[r0] = t1; | 
|  | break; | 
|  | case INDEX_op_tci_movl: | 
|  | tci_args_rl(insn, tb_ptr, &r0, &ptr); | 
|  | regs[r0] = *(tcg_target_ulong *)ptr; | 
|  | break; | 
|  |  | 
|  | /* Load/store operations (32 bit). */ | 
|  |  | 
|  | CASE_32_64(ld8u) | 
|  | tci_args_rrs(insn, &r0, &r1, &ofs); | 
|  | ptr = (void *)(regs[r1] + ofs); | 
|  | regs[r0] = *(uint8_t *)ptr; | 
|  | break; | 
|  | CASE_32_64(ld8s) | 
|  | tci_args_rrs(insn, &r0, &r1, &ofs); | 
|  | ptr = (void *)(regs[r1] + ofs); | 
|  | regs[r0] = *(int8_t *)ptr; | 
|  | break; | 
|  | CASE_32_64(ld16u) | 
|  | tci_args_rrs(insn, &r0, &r1, &ofs); | 
|  | ptr = (void *)(regs[r1] + ofs); | 
|  | regs[r0] = *(uint16_t *)ptr; | 
|  | break; | 
|  | CASE_32_64(ld16s) | 
|  | tci_args_rrs(insn, &r0, &r1, &ofs); | 
|  | ptr = (void *)(regs[r1] + ofs); | 
|  | regs[r0] = *(int16_t *)ptr; | 
|  | break; | 
|  | case INDEX_op_ld_i32: | 
|  | CASE_64(ld32u) | 
|  | tci_args_rrs(insn, &r0, &r1, &ofs); | 
|  | ptr = (void *)(regs[r1] + ofs); | 
|  | regs[r0] = *(uint32_t *)ptr; | 
|  | break; | 
|  | CASE_32_64(st8) | 
|  | tci_args_rrs(insn, &r0, &r1, &ofs); | 
|  | ptr = (void *)(regs[r1] + ofs); | 
|  | *(uint8_t *)ptr = regs[r0]; | 
|  | break; | 
|  | CASE_32_64(st16) | 
|  | tci_args_rrs(insn, &r0, &r1, &ofs); | 
|  | ptr = (void *)(regs[r1] + ofs); | 
|  | *(uint16_t *)ptr = regs[r0]; | 
|  | break; | 
|  | case INDEX_op_st_i32: | 
|  | CASE_64(st32) | 
|  | tci_args_rrs(insn, &r0, &r1, &ofs); | 
|  | ptr = (void *)(regs[r1] + ofs); | 
|  | *(uint32_t *)ptr = regs[r0]; | 
|  | break; | 
|  |  | 
|  | /* Arithmetic operations (mixed 32/64 bit). */ | 
|  |  | 
|  | CASE_32_64(add) | 
|  | tci_args_rrr(insn, &r0, &r1, &r2); | 
|  | regs[r0] = regs[r1] + regs[r2]; | 
|  | break; | 
|  | CASE_32_64(sub) | 
|  | tci_args_rrr(insn, &r0, &r1, &r2); | 
|  | regs[r0] = regs[r1] - regs[r2]; | 
|  | break; | 
|  | CASE_32_64(mul) | 
|  | tci_args_rrr(insn, &r0, &r1, &r2); | 
|  | regs[r0] = regs[r1] * regs[r2]; | 
|  | break; | 
|  | CASE_32_64(and) | 
|  | tci_args_rrr(insn, &r0, &r1, &r2); | 
|  | regs[r0] = regs[r1] & regs[r2]; | 
|  | break; | 
|  | CASE_32_64(or) | 
|  | tci_args_rrr(insn, &r0, &r1, &r2); | 
|  | regs[r0] = regs[r1] | regs[r2]; | 
|  | break; | 
|  | CASE_32_64(xor) | 
|  | tci_args_rrr(insn, &r0, &r1, &r2); | 
|  | regs[r0] = regs[r1] ^ regs[r2]; | 
|  | break; | 
|  | #if TCG_TARGET_HAS_andc_i32 || TCG_TARGET_HAS_andc_i64 | 
|  | CASE_32_64(andc) | 
|  | tci_args_rrr(insn, &r0, &r1, &r2); | 
|  | regs[r0] = regs[r1] & ~regs[r2]; | 
|  | break; | 
|  | #endif | 
|  | #if TCG_TARGET_HAS_orc_i32 || TCG_TARGET_HAS_orc_i64 | 
|  | CASE_32_64(orc) | 
|  | tci_args_rrr(insn, &r0, &r1, &r2); | 
|  | regs[r0] = regs[r1] | ~regs[r2]; | 
|  | break; | 
|  | #endif | 
|  | #if TCG_TARGET_HAS_eqv_i32 || TCG_TARGET_HAS_eqv_i64 | 
|  | CASE_32_64(eqv) | 
|  | tci_args_rrr(insn, &r0, &r1, &r2); | 
|  | regs[r0] = ~(regs[r1] ^ regs[r2]); | 
|  | break; | 
|  | #endif | 
|  | #if TCG_TARGET_HAS_nand_i32 || TCG_TARGET_HAS_nand_i64 | 
|  | CASE_32_64(nand) | 
|  | tci_args_rrr(insn, &r0, &r1, &r2); | 
|  | regs[r0] = ~(regs[r1] & regs[r2]); | 
|  | break; | 
|  | #endif | 
|  | #if TCG_TARGET_HAS_nor_i32 || TCG_TARGET_HAS_nor_i64 | 
|  | CASE_32_64(nor) | 
|  | tci_args_rrr(insn, &r0, &r1, &r2); | 
|  | regs[r0] = ~(regs[r1] | regs[r2]); | 
|  | break; | 
|  | #endif | 
|  |  | 
|  | /* Arithmetic operations (32 bit). */ | 
|  |  | 
|  | case INDEX_op_div_i32: | 
|  | tci_args_rrr(insn, &r0, &r1, &r2); | 
|  | regs[r0] = (int32_t)regs[r1] / (int32_t)regs[r2]; | 
|  | break; | 
|  | case INDEX_op_divu_i32: | 
|  | tci_args_rrr(insn, &r0, &r1, &r2); | 
|  | regs[r0] = (uint32_t)regs[r1] / (uint32_t)regs[r2]; | 
|  | break; | 
|  | case INDEX_op_rem_i32: | 
|  | tci_args_rrr(insn, &r0, &r1, &r2); | 
|  | regs[r0] = (int32_t)regs[r1] % (int32_t)regs[r2]; | 
|  | break; | 
|  | case INDEX_op_remu_i32: | 
|  | tci_args_rrr(insn, &r0, &r1, &r2); | 
|  | regs[r0] = (uint32_t)regs[r1] % (uint32_t)regs[r2]; | 
|  | break; | 
|  | #if TCG_TARGET_HAS_clz_i32 | 
|  | case INDEX_op_clz_i32: | 
|  | tci_args_rrr(insn, &r0, &r1, &r2); | 
|  | tmp32 = regs[r1]; | 
|  | regs[r0] = tmp32 ? clz32(tmp32) : regs[r2]; | 
|  | break; | 
|  | #endif | 
|  | #if TCG_TARGET_HAS_ctz_i32 | 
|  | case INDEX_op_ctz_i32: | 
|  | tci_args_rrr(insn, &r0, &r1, &r2); | 
|  | tmp32 = regs[r1]; | 
|  | regs[r0] = tmp32 ? ctz32(tmp32) : regs[r2]; | 
|  | break; | 
|  | #endif | 
|  | #if TCG_TARGET_HAS_ctpop_i32 | 
|  | case INDEX_op_ctpop_i32: | 
|  | tci_args_rr(insn, &r0, &r1); | 
|  | regs[r0] = ctpop32(regs[r1]); | 
|  | break; | 
|  | #endif | 
|  |  | 
|  | /* Shift/rotate operations (32 bit). */ | 
|  |  | 
|  | case INDEX_op_shl_i32: | 
|  | tci_args_rrr(insn, &r0, &r1, &r2); | 
|  | regs[r0] = (uint32_t)regs[r1] << (regs[r2] & 31); | 
|  | break; | 
|  | case INDEX_op_shr_i32: | 
|  | tci_args_rrr(insn, &r0, &r1, &r2); | 
|  | regs[r0] = (uint32_t)regs[r1] >> (regs[r2] & 31); | 
|  | break; | 
|  | case INDEX_op_sar_i32: | 
|  | tci_args_rrr(insn, &r0, &r1, &r2); | 
|  | regs[r0] = (int32_t)regs[r1] >> (regs[r2] & 31); | 
|  | break; | 
|  | #if TCG_TARGET_HAS_rot_i32 | 
|  | case INDEX_op_rotl_i32: | 
|  | tci_args_rrr(insn, &r0, &r1, &r2); | 
|  | regs[r0] = rol32(regs[r1], regs[r2] & 31); | 
|  | break; | 
|  | case INDEX_op_rotr_i32: | 
|  | tci_args_rrr(insn, &r0, &r1, &r2); | 
|  | regs[r0] = ror32(regs[r1], regs[r2] & 31); | 
|  | break; | 
|  | #endif | 
|  | case INDEX_op_deposit_i32: | 
|  | tci_args_rrrbb(insn, &r0, &r1, &r2, &pos, &len); | 
|  | regs[r0] = deposit32(regs[r1], pos, len, regs[r2]); | 
|  | break; | 
|  | case INDEX_op_extract_i32: | 
|  | tci_args_rrbb(insn, &r0, &r1, &pos, &len); | 
|  | regs[r0] = extract32(regs[r1], pos, len); | 
|  | break; | 
|  | case INDEX_op_sextract_i32: | 
|  | tci_args_rrbb(insn, &r0, &r1, &pos, &len); | 
|  | regs[r0] = sextract32(regs[r1], pos, len); | 
|  | break; | 
|  | case INDEX_op_brcond_i32: | 
|  | tci_args_rl(insn, tb_ptr, &r0, &ptr); | 
|  | if ((uint32_t)regs[r0]) { | 
|  | tb_ptr = ptr; | 
|  | } | 
|  | break; | 
|  | #if TCG_TARGET_REG_BITS == 32 || TCG_TARGET_HAS_add2_i32 | 
|  | case INDEX_op_add2_i32: | 
|  | tci_args_rrrrrr(insn, &r0, &r1, &r2, &r3, &r4, &r5); | 
|  | T1 = tci_uint64(regs[r3], regs[r2]); | 
|  | T2 = tci_uint64(regs[r5], regs[r4]); | 
|  | tci_write_reg64(regs, r1, r0, T1 + T2); | 
|  | break; | 
|  | #endif | 
|  | #if TCG_TARGET_REG_BITS == 32 || TCG_TARGET_HAS_sub2_i32 | 
|  | case INDEX_op_sub2_i32: | 
|  | tci_args_rrrrrr(insn, &r0, &r1, &r2, &r3, &r4, &r5); | 
|  | T1 = tci_uint64(regs[r3], regs[r2]); | 
|  | T2 = tci_uint64(regs[r5], regs[r4]); | 
|  | tci_write_reg64(regs, r1, r0, T1 - T2); | 
|  | break; | 
|  | #endif | 
|  | #if TCG_TARGET_HAS_mulu2_i32 | 
|  | case INDEX_op_mulu2_i32: | 
|  | tci_args_rrrr(insn, &r0, &r1, &r2, &r3); | 
|  | tmp64 = (uint64_t)(uint32_t)regs[r2] * (uint32_t)regs[r3]; | 
|  | tci_write_reg64(regs, r1, r0, tmp64); | 
|  | break; | 
|  | #endif | 
|  | #if TCG_TARGET_HAS_muls2_i32 | 
|  | case INDEX_op_muls2_i32: | 
|  | tci_args_rrrr(insn, &r0, &r1, &r2, &r3); | 
|  | tmp64 = (int64_t)(int32_t)regs[r2] * (int32_t)regs[r3]; | 
|  | tci_write_reg64(regs, r1, r0, tmp64); | 
|  | break; | 
|  | #endif | 
|  | #if TCG_TARGET_HAS_ext8s_i32 || TCG_TARGET_HAS_ext8s_i64 | 
|  | CASE_32_64(ext8s) | 
|  | tci_args_rr(insn, &r0, &r1); | 
|  | regs[r0] = (int8_t)regs[r1]; | 
|  | break; | 
|  | #endif | 
|  | #if TCG_TARGET_HAS_ext16s_i32 || TCG_TARGET_HAS_ext16s_i64 || \ | 
|  | TCG_TARGET_HAS_bswap16_i32 || TCG_TARGET_HAS_bswap16_i64 | 
|  | CASE_32_64(ext16s) | 
|  | tci_args_rr(insn, &r0, &r1); | 
|  | regs[r0] = (int16_t)regs[r1]; | 
|  | break; | 
|  | #endif | 
|  | #if TCG_TARGET_HAS_ext8u_i32 || TCG_TARGET_HAS_ext8u_i64 | 
|  | CASE_32_64(ext8u) | 
|  | tci_args_rr(insn, &r0, &r1); | 
|  | regs[r0] = (uint8_t)regs[r1]; | 
|  | break; | 
|  | #endif | 
|  | #if TCG_TARGET_HAS_ext16u_i32 || TCG_TARGET_HAS_ext16u_i64 | 
|  | CASE_32_64(ext16u) | 
|  | tci_args_rr(insn, &r0, &r1); | 
|  | regs[r0] = (uint16_t)regs[r1]; | 
|  | break; | 
|  | #endif | 
|  | #if TCG_TARGET_HAS_bswap16_i32 || TCG_TARGET_HAS_bswap16_i64 | 
|  | CASE_32_64(bswap16) | 
|  | tci_args_rr(insn, &r0, &r1); | 
|  | regs[r0] = bswap16(regs[r1]); | 
|  | break; | 
|  | #endif | 
|  | #if TCG_TARGET_HAS_bswap32_i32 || TCG_TARGET_HAS_bswap32_i64 | 
|  | CASE_32_64(bswap32) | 
|  | tci_args_rr(insn, &r0, &r1); | 
|  | regs[r0] = bswap32(regs[r1]); | 
|  | break; | 
|  | #endif | 
|  | #if TCG_TARGET_HAS_not_i32 || TCG_TARGET_HAS_not_i64 | 
|  | CASE_32_64(not) | 
|  | tci_args_rr(insn, &r0, &r1); | 
|  | regs[r0] = ~regs[r1]; | 
|  | break; | 
|  | #endif | 
|  | CASE_32_64(neg) | 
|  | tci_args_rr(insn, &r0, &r1); | 
|  | regs[r0] = -regs[r1]; | 
|  | break; | 
|  | #if TCG_TARGET_REG_BITS == 64 | 
|  | /* Load/store operations (64 bit). */ | 
|  |  | 
|  | case INDEX_op_ld32s_i64: | 
|  | tci_args_rrs(insn, &r0, &r1, &ofs); | 
|  | ptr = (void *)(regs[r1] + ofs); | 
|  | regs[r0] = *(int32_t *)ptr; | 
|  | break; | 
|  | case INDEX_op_ld_i64: | 
|  | tci_args_rrs(insn, &r0, &r1, &ofs); | 
|  | ptr = (void *)(regs[r1] + ofs); | 
|  | regs[r0] = *(uint64_t *)ptr; | 
|  | break; | 
|  | case INDEX_op_st_i64: | 
|  | tci_args_rrs(insn, &r0, &r1, &ofs); | 
|  | ptr = (void *)(regs[r1] + ofs); | 
|  | *(uint64_t *)ptr = regs[r0]; | 
|  | break; | 
|  |  | 
|  | /* Arithmetic operations (64 bit). */ | 
|  |  | 
|  | case INDEX_op_div_i64: | 
|  | tci_args_rrr(insn, &r0, &r1, &r2); | 
|  | regs[r0] = (int64_t)regs[r1] / (int64_t)regs[r2]; | 
|  | break; | 
|  | case INDEX_op_divu_i64: | 
|  | tci_args_rrr(insn, &r0, &r1, &r2); | 
|  | regs[r0] = (uint64_t)regs[r1] / (uint64_t)regs[r2]; | 
|  | break; | 
|  | case INDEX_op_rem_i64: | 
|  | tci_args_rrr(insn, &r0, &r1, &r2); | 
|  | regs[r0] = (int64_t)regs[r1] % (int64_t)regs[r2]; | 
|  | break; | 
|  | case INDEX_op_remu_i64: | 
|  | tci_args_rrr(insn, &r0, &r1, &r2); | 
|  | regs[r0] = (uint64_t)regs[r1] % (uint64_t)regs[r2]; | 
|  | break; | 
|  | #if TCG_TARGET_HAS_clz_i64 | 
|  | case INDEX_op_clz_i64: | 
|  | tci_args_rrr(insn, &r0, &r1, &r2); | 
|  | regs[r0] = regs[r1] ? clz64(regs[r1]) : regs[r2]; | 
|  | break; | 
|  | #endif | 
|  | #if TCG_TARGET_HAS_ctz_i64 | 
|  | case INDEX_op_ctz_i64: | 
|  | tci_args_rrr(insn, &r0, &r1, &r2); | 
|  | regs[r0] = regs[r1] ? ctz64(regs[r1]) : regs[r2]; | 
|  | break; | 
|  | #endif | 
|  | #if TCG_TARGET_HAS_ctpop_i64 | 
|  | case INDEX_op_ctpop_i64: | 
|  | tci_args_rr(insn, &r0, &r1); | 
|  | regs[r0] = ctpop64(regs[r1]); | 
|  | break; | 
|  | #endif | 
|  | #if TCG_TARGET_HAS_mulu2_i64 | 
|  | case INDEX_op_mulu2_i64: | 
|  | tci_args_rrrr(insn, &r0, &r1, &r2, &r3); | 
|  | mulu64(®s[r0], ®s[r1], regs[r2], regs[r3]); | 
|  | break; | 
|  | #endif | 
|  | #if TCG_TARGET_HAS_muls2_i64 | 
|  | case INDEX_op_muls2_i64: | 
|  | tci_args_rrrr(insn, &r0, &r1, &r2, &r3); | 
|  | muls64(®s[r0], ®s[r1], regs[r2], regs[r3]); | 
|  | break; | 
|  | #endif | 
|  | #if TCG_TARGET_HAS_add2_i64 | 
|  | case INDEX_op_add2_i64: | 
|  | tci_args_rrrrrr(insn, &r0, &r1, &r2, &r3, &r4, &r5); | 
|  | T1 = regs[r2] + regs[r4]; | 
|  | T2 = regs[r3] + regs[r5] + (T1 < regs[r2]); | 
|  | regs[r0] = T1; | 
|  | regs[r1] = T2; | 
|  | break; | 
|  | #endif | 
|  | #if TCG_TARGET_HAS_add2_i64 | 
|  | case INDEX_op_sub2_i64: | 
|  | tci_args_rrrrrr(insn, &r0, &r1, &r2, &r3, &r4, &r5); | 
|  | T1 = regs[r2] - regs[r4]; | 
|  | T2 = regs[r3] - regs[r5] - (regs[r2] < regs[r4]); | 
|  | regs[r0] = T1; | 
|  | regs[r1] = T2; | 
|  | break; | 
|  | #endif | 
|  |  | 
|  | /* Shift/rotate operations (64 bit). */ | 
|  |  | 
|  | case INDEX_op_shl_i64: | 
|  | tci_args_rrr(insn, &r0, &r1, &r2); | 
|  | regs[r0] = regs[r1] << (regs[r2] & 63); | 
|  | break; | 
|  | case INDEX_op_shr_i64: | 
|  | tci_args_rrr(insn, &r0, &r1, &r2); | 
|  | regs[r0] = regs[r1] >> (regs[r2] & 63); | 
|  | break; | 
|  | case INDEX_op_sar_i64: | 
|  | tci_args_rrr(insn, &r0, &r1, &r2); | 
|  | regs[r0] = (int64_t)regs[r1] >> (regs[r2] & 63); | 
|  | break; | 
|  | #if TCG_TARGET_HAS_rot_i64 | 
|  | case INDEX_op_rotl_i64: | 
|  | tci_args_rrr(insn, &r0, &r1, &r2); | 
|  | regs[r0] = rol64(regs[r1], regs[r2] & 63); | 
|  | break; | 
|  | case INDEX_op_rotr_i64: | 
|  | tci_args_rrr(insn, &r0, &r1, &r2); | 
|  | regs[r0] = ror64(regs[r1], regs[r2] & 63); | 
|  | break; | 
|  | #endif | 
|  | case INDEX_op_deposit_i64: | 
|  | tci_args_rrrbb(insn, &r0, &r1, &r2, &pos, &len); | 
|  | regs[r0] = deposit64(regs[r1], pos, len, regs[r2]); | 
|  | break; | 
|  | case INDEX_op_extract_i64: | 
|  | tci_args_rrbb(insn, &r0, &r1, &pos, &len); | 
|  | regs[r0] = extract64(regs[r1], pos, len); | 
|  | break; | 
|  | case INDEX_op_sextract_i64: | 
|  | tci_args_rrbb(insn, &r0, &r1, &pos, &len); | 
|  | regs[r0] = sextract64(regs[r1], pos, len); | 
|  | break; | 
|  | case INDEX_op_brcond_i64: | 
|  | tci_args_rl(insn, tb_ptr, &r0, &ptr); | 
|  | if (regs[r0]) { | 
|  | tb_ptr = ptr; | 
|  | } | 
|  | break; | 
|  | case INDEX_op_ext32s_i64: | 
|  | case INDEX_op_ext_i32_i64: | 
|  | tci_args_rr(insn, &r0, &r1); | 
|  | regs[r0] = (int32_t)regs[r1]; | 
|  | break; | 
|  | case INDEX_op_ext32u_i64: | 
|  | case INDEX_op_extu_i32_i64: | 
|  | tci_args_rr(insn, &r0, &r1); | 
|  | regs[r0] = (uint32_t)regs[r1]; | 
|  | break; | 
|  | #if TCG_TARGET_HAS_bswap64_i64 | 
|  | case INDEX_op_bswap64_i64: | 
|  | tci_args_rr(insn, &r0, &r1); | 
|  | regs[r0] = bswap64(regs[r1]); | 
|  | break; | 
|  | #endif | 
|  | #endif /* TCG_TARGET_REG_BITS == 64 */ | 
|  |  | 
|  | /* QEMU specific operations. */ | 
|  |  | 
|  | case INDEX_op_exit_tb: | 
|  | tci_args_l(insn, tb_ptr, &ptr); | 
|  | return (uintptr_t)ptr; | 
|  |  | 
|  | case INDEX_op_goto_tb: | 
|  | tci_args_l(insn, tb_ptr, &ptr); | 
|  | tb_ptr = *(void **)ptr; | 
|  | break; | 
|  |  | 
|  | case INDEX_op_goto_ptr: | 
|  | tci_args_r(insn, &r0); | 
|  | ptr = (void *)regs[r0]; | 
|  | if (!ptr) { | 
|  | return 0; | 
|  | } | 
|  | tb_ptr = ptr; | 
|  | break; | 
|  |  | 
|  | case INDEX_op_qemu_ld_a32_i32: | 
|  | tci_args_rrm(insn, &r0, &r1, &oi); | 
|  | taddr = (uint32_t)regs[r1]; | 
|  | goto do_ld_i32; | 
|  | case INDEX_op_qemu_ld_a64_i32: | 
|  | if (TCG_TARGET_REG_BITS == 64) { | 
|  | tci_args_rrm(insn, &r0, &r1, &oi); | 
|  | taddr = regs[r1]; | 
|  | } else { | 
|  | tci_args_rrrr(insn, &r0, &r1, &r2, &r3); | 
|  | taddr = tci_uint64(regs[r2], regs[r1]); | 
|  | oi = regs[r3]; | 
|  | } | 
|  | do_ld_i32: | 
|  | regs[r0] = tci_qemu_ld(env, taddr, oi, tb_ptr); | 
|  | break; | 
|  |  | 
|  | case INDEX_op_qemu_ld_a32_i64: | 
|  | if (TCG_TARGET_REG_BITS == 64) { | 
|  | tci_args_rrm(insn, &r0, &r1, &oi); | 
|  | taddr = (uint32_t)regs[r1]; | 
|  | } else { | 
|  | tci_args_rrrr(insn, &r0, &r1, &r2, &r3); | 
|  | taddr = (uint32_t)regs[r2]; | 
|  | oi = regs[r3]; | 
|  | } | 
|  | goto do_ld_i64; | 
|  | case INDEX_op_qemu_ld_a64_i64: | 
|  | if (TCG_TARGET_REG_BITS == 64) { | 
|  | tci_args_rrm(insn, &r0, &r1, &oi); | 
|  | taddr = regs[r1]; | 
|  | } else { | 
|  | tci_args_rrrrr(insn, &r0, &r1, &r2, &r3, &r4); | 
|  | taddr = tci_uint64(regs[r3], regs[r2]); | 
|  | oi = regs[r4]; | 
|  | } | 
|  | do_ld_i64: | 
|  | tmp64 = tci_qemu_ld(env, taddr, oi, tb_ptr); | 
|  | if (TCG_TARGET_REG_BITS == 32) { | 
|  | tci_write_reg64(regs, r1, r0, tmp64); | 
|  | } else { | 
|  | regs[r0] = tmp64; | 
|  | } | 
|  | break; | 
|  |  | 
|  | case INDEX_op_qemu_st_a32_i32: | 
|  | tci_args_rrm(insn, &r0, &r1, &oi); | 
|  | taddr = (uint32_t)regs[r1]; | 
|  | goto do_st_i32; | 
|  | case INDEX_op_qemu_st_a64_i32: | 
|  | if (TCG_TARGET_REG_BITS == 64) { | 
|  | tci_args_rrm(insn, &r0, &r1, &oi); | 
|  | taddr = regs[r1]; | 
|  | } else { | 
|  | tci_args_rrrr(insn, &r0, &r1, &r2, &r3); | 
|  | taddr = tci_uint64(regs[r2], regs[r1]); | 
|  | oi = regs[r3]; | 
|  | } | 
|  | do_st_i32: | 
|  | tci_qemu_st(env, taddr, regs[r0], oi, tb_ptr); | 
|  | break; | 
|  |  | 
|  | case INDEX_op_qemu_st_a32_i64: | 
|  | if (TCG_TARGET_REG_BITS == 64) { | 
|  | tci_args_rrm(insn, &r0, &r1, &oi); | 
|  | tmp64 = regs[r0]; | 
|  | taddr = (uint32_t)regs[r1]; | 
|  | } else { | 
|  | tci_args_rrrr(insn, &r0, &r1, &r2, &r3); | 
|  | tmp64 = tci_uint64(regs[r1], regs[r0]); | 
|  | taddr = (uint32_t)regs[r2]; | 
|  | oi = regs[r3]; | 
|  | } | 
|  | goto do_st_i64; | 
|  | case INDEX_op_qemu_st_a64_i64: | 
|  | if (TCG_TARGET_REG_BITS == 64) { | 
|  | tci_args_rrm(insn, &r0, &r1, &oi); | 
|  | tmp64 = regs[r0]; | 
|  | taddr = regs[r1]; | 
|  | } else { | 
|  | tci_args_rrrrr(insn, &r0, &r1, &r2, &r3, &r4); | 
|  | tmp64 = tci_uint64(regs[r1], regs[r0]); | 
|  | taddr = tci_uint64(regs[r3], regs[r2]); | 
|  | oi = regs[r4]; | 
|  | } | 
|  | do_st_i64: | 
|  | tci_qemu_st(env, taddr, tmp64, oi, tb_ptr); | 
|  | break; | 
|  |  | 
|  | case INDEX_op_mb: | 
|  | /* Ensure ordering for all kinds */ | 
|  | smp_mb(); | 
|  | break; | 
|  | default: | 
|  | g_assert_not_reached(); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Disassembler that matches the interpreter | 
|  | */ | 
|  |  | 
|  | static const char *str_r(TCGReg r) | 
|  | { | 
|  | static const char regs[TCG_TARGET_NB_REGS][4] = { | 
|  | "r0", "r1", "r2",  "r3",  "r4",  "r5",  "r6",  "r7", | 
|  | "r8", "r9", "r10", "r11", "r12", "r13", "env", "sp" | 
|  | }; | 
|  |  | 
|  | QEMU_BUILD_BUG_ON(TCG_AREG0 != TCG_REG_R14); | 
|  | QEMU_BUILD_BUG_ON(TCG_REG_CALL_STACK != TCG_REG_R15); | 
|  |  | 
|  | assert((unsigned)r < TCG_TARGET_NB_REGS); | 
|  | return regs[r]; | 
|  | } | 
|  |  | 
|  | static const char *str_c(TCGCond c) | 
|  | { | 
|  | static const char cond[16][8] = { | 
|  | [TCG_COND_NEVER] = "never", | 
|  | [TCG_COND_ALWAYS] = "always", | 
|  | [TCG_COND_EQ] = "eq", | 
|  | [TCG_COND_NE] = "ne", | 
|  | [TCG_COND_LT] = "lt", | 
|  | [TCG_COND_GE] = "ge", | 
|  | [TCG_COND_LE] = "le", | 
|  | [TCG_COND_GT] = "gt", | 
|  | [TCG_COND_LTU] = "ltu", | 
|  | [TCG_COND_GEU] = "geu", | 
|  | [TCG_COND_LEU] = "leu", | 
|  | [TCG_COND_GTU] = "gtu", | 
|  | [TCG_COND_TSTEQ] = "tsteq", | 
|  | [TCG_COND_TSTNE] = "tstne", | 
|  | }; | 
|  |  | 
|  | assert((unsigned)c < ARRAY_SIZE(cond)); | 
|  | assert(cond[c][0] != 0); | 
|  | return cond[c]; | 
|  | } | 
|  |  | 
|  | /* Disassemble TCI bytecode. */ | 
|  | int print_insn_tci(bfd_vma addr, disassemble_info *info) | 
|  | { | 
|  | const uint32_t *tb_ptr = (const void *)(uintptr_t)addr; | 
|  | const TCGOpDef *def; | 
|  | const char *op_name; | 
|  | uint32_t insn; | 
|  | TCGOpcode op; | 
|  | TCGReg r0, r1, r2, r3, r4, r5; | 
|  | tcg_target_ulong i1; | 
|  | int32_t s2; | 
|  | TCGCond c; | 
|  | MemOpIdx oi; | 
|  | uint8_t pos, len; | 
|  | void *ptr; | 
|  |  | 
|  | /* TCI is always the host, so we don't need to load indirect. */ | 
|  | insn = *tb_ptr++; | 
|  |  | 
|  | info->fprintf_func(info->stream, "%08x  ", insn); | 
|  |  | 
|  | op = extract32(insn, 0, 8); | 
|  | def = &tcg_op_defs[op]; | 
|  | op_name = def->name; | 
|  |  | 
|  | switch (op) { | 
|  | case INDEX_op_br: | 
|  | case INDEX_op_exit_tb: | 
|  | case INDEX_op_goto_tb: | 
|  | tci_args_l(insn, tb_ptr, &ptr); | 
|  | info->fprintf_func(info->stream, "%-12s  %p", op_name, ptr); | 
|  | break; | 
|  |  | 
|  | case INDEX_op_goto_ptr: | 
|  | tci_args_r(insn, &r0); | 
|  | info->fprintf_func(info->stream, "%-12s  %s", op_name, str_r(r0)); | 
|  | break; | 
|  |  | 
|  | case INDEX_op_call: | 
|  | tci_args_nl(insn, tb_ptr, &len, &ptr); | 
|  | info->fprintf_func(info->stream, "%-12s  %d, %p", op_name, len, ptr); | 
|  | break; | 
|  |  | 
|  | case INDEX_op_brcond_i32: | 
|  | case INDEX_op_brcond_i64: | 
|  | tci_args_rl(insn, tb_ptr, &r0, &ptr); | 
|  | info->fprintf_func(info->stream, "%-12s  %s, 0, ne, %p", | 
|  | op_name, str_r(r0), ptr); | 
|  | break; | 
|  |  | 
|  | case INDEX_op_setcond_i32: | 
|  | case INDEX_op_setcond_i64: | 
|  | tci_args_rrrc(insn, &r0, &r1, &r2, &c); | 
|  | info->fprintf_func(info->stream, "%-12s  %s, %s, %s, %s", | 
|  | op_name, str_r(r0), str_r(r1), str_r(r2), str_c(c)); | 
|  | break; | 
|  |  | 
|  | case INDEX_op_tci_movi: | 
|  | tci_args_ri(insn, &r0, &i1); | 
|  | info->fprintf_func(info->stream, "%-12s  %s, 0x%" TCG_PRIlx, | 
|  | op_name, str_r(r0), i1); | 
|  | break; | 
|  |  | 
|  | case INDEX_op_tci_movl: | 
|  | tci_args_rl(insn, tb_ptr, &r0, &ptr); | 
|  | info->fprintf_func(info->stream, "%-12s  %s, %p", | 
|  | op_name, str_r(r0), ptr); | 
|  | break; | 
|  |  | 
|  | case INDEX_op_ld8u_i32: | 
|  | case INDEX_op_ld8u_i64: | 
|  | case INDEX_op_ld8s_i32: | 
|  | case INDEX_op_ld8s_i64: | 
|  | case INDEX_op_ld16u_i32: | 
|  | case INDEX_op_ld16u_i64: | 
|  | case INDEX_op_ld16s_i32: | 
|  | case INDEX_op_ld16s_i64: | 
|  | case INDEX_op_ld32u_i64: | 
|  | case INDEX_op_ld32s_i64: | 
|  | case INDEX_op_ld_i32: | 
|  | case INDEX_op_ld_i64: | 
|  | case INDEX_op_st8_i32: | 
|  | case INDEX_op_st8_i64: | 
|  | case INDEX_op_st16_i32: | 
|  | case INDEX_op_st16_i64: | 
|  | case INDEX_op_st32_i64: | 
|  | case INDEX_op_st_i32: | 
|  | case INDEX_op_st_i64: | 
|  | tci_args_rrs(insn, &r0, &r1, &s2); | 
|  | info->fprintf_func(info->stream, "%-12s  %s, %s, %d", | 
|  | op_name, str_r(r0), str_r(r1), s2); | 
|  | break; | 
|  |  | 
|  | case INDEX_op_mov_i32: | 
|  | case INDEX_op_mov_i64: | 
|  | case INDEX_op_ext8s_i32: | 
|  | case INDEX_op_ext8s_i64: | 
|  | case INDEX_op_ext8u_i32: | 
|  | case INDEX_op_ext8u_i64: | 
|  | case INDEX_op_ext16s_i32: | 
|  | case INDEX_op_ext16s_i64: | 
|  | case INDEX_op_ext16u_i32: | 
|  | case INDEX_op_ext32s_i64: | 
|  | case INDEX_op_ext32u_i64: | 
|  | case INDEX_op_ext_i32_i64: | 
|  | case INDEX_op_extu_i32_i64: | 
|  | case INDEX_op_bswap16_i32: | 
|  | case INDEX_op_bswap16_i64: | 
|  | case INDEX_op_bswap32_i32: | 
|  | case INDEX_op_bswap32_i64: | 
|  | case INDEX_op_bswap64_i64: | 
|  | case INDEX_op_not_i32: | 
|  | case INDEX_op_not_i64: | 
|  | case INDEX_op_neg_i32: | 
|  | case INDEX_op_neg_i64: | 
|  | case INDEX_op_ctpop_i32: | 
|  | case INDEX_op_ctpop_i64: | 
|  | tci_args_rr(insn, &r0, &r1); | 
|  | info->fprintf_func(info->stream, "%-12s  %s, %s", | 
|  | op_name, str_r(r0), str_r(r1)); | 
|  | break; | 
|  |  | 
|  | case INDEX_op_add_i32: | 
|  | case INDEX_op_add_i64: | 
|  | case INDEX_op_sub_i32: | 
|  | case INDEX_op_sub_i64: | 
|  | case INDEX_op_mul_i32: | 
|  | case INDEX_op_mul_i64: | 
|  | case INDEX_op_and_i32: | 
|  | case INDEX_op_and_i64: | 
|  | case INDEX_op_or_i32: | 
|  | case INDEX_op_or_i64: | 
|  | case INDEX_op_xor_i32: | 
|  | case INDEX_op_xor_i64: | 
|  | case INDEX_op_andc_i32: | 
|  | case INDEX_op_andc_i64: | 
|  | case INDEX_op_orc_i32: | 
|  | case INDEX_op_orc_i64: | 
|  | case INDEX_op_eqv_i32: | 
|  | case INDEX_op_eqv_i64: | 
|  | case INDEX_op_nand_i32: | 
|  | case INDEX_op_nand_i64: | 
|  | case INDEX_op_nor_i32: | 
|  | case INDEX_op_nor_i64: | 
|  | case INDEX_op_div_i32: | 
|  | case INDEX_op_div_i64: | 
|  | case INDEX_op_rem_i32: | 
|  | case INDEX_op_rem_i64: | 
|  | case INDEX_op_divu_i32: | 
|  | case INDEX_op_divu_i64: | 
|  | case INDEX_op_remu_i32: | 
|  | case INDEX_op_remu_i64: | 
|  | case INDEX_op_shl_i32: | 
|  | case INDEX_op_shl_i64: | 
|  | case INDEX_op_shr_i32: | 
|  | case INDEX_op_shr_i64: | 
|  | case INDEX_op_sar_i32: | 
|  | case INDEX_op_sar_i64: | 
|  | case INDEX_op_rotl_i32: | 
|  | case INDEX_op_rotl_i64: | 
|  | case INDEX_op_rotr_i32: | 
|  | case INDEX_op_rotr_i64: | 
|  | case INDEX_op_clz_i32: | 
|  | case INDEX_op_clz_i64: | 
|  | case INDEX_op_ctz_i32: | 
|  | case INDEX_op_ctz_i64: | 
|  | tci_args_rrr(insn, &r0, &r1, &r2); | 
|  | info->fprintf_func(info->stream, "%-12s  %s, %s, %s", | 
|  | op_name, str_r(r0), str_r(r1), str_r(r2)); | 
|  | break; | 
|  |  | 
|  | case INDEX_op_deposit_i32: | 
|  | case INDEX_op_deposit_i64: | 
|  | tci_args_rrrbb(insn, &r0, &r1, &r2, &pos, &len); | 
|  | info->fprintf_func(info->stream, "%-12s  %s, %s, %s, %d, %d", | 
|  | op_name, str_r(r0), str_r(r1), str_r(r2), pos, len); | 
|  | break; | 
|  |  | 
|  | case INDEX_op_extract_i32: | 
|  | case INDEX_op_extract_i64: | 
|  | case INDEX_op_sextract_i32: | 
|  | case INDEX_op_sextract_i64: | 
|  | tci_args_rrbb(insn, &r0, &r1, &pos, &len); | 
|  | info->fprintf_func(info->stream, "%-12s  %s,%s,%d,%d", | 
|  | op_name, str_r(r0), str_r(r1), pos, len); | 
|  | break; | 
|  |  | 
|  | case INDEX_op_movcond_i32: | 
|  | case INDEX_op_movcond_i64: | 
|  | case INDEX_op_setcond2_i32: | 
|  | tci_args_rrrrrc(insn, &r0, &r1, &r2, &r3, &r4, &c); | 
|  | info->fprintf_func(info->stream, "%-12s  %s, %s, %s, %s, %s, %s", | 
|  | op_name, str_r(r0), str_r(r1), str_r(r2), | 
|  | str_r(r3), str_r(r4), str_c(c)); | 
|  | break; | 
|  |  | 
|  | case INDEX_op_mulu2_i32: | 
|  | case INDEX_op_mulu2_i64: | 
|  | case INDEX_op_muls2_i32: | 
|  | case INDEX_op_muls2_i64: | 
|  | tci_args_rrrr(insn, &r0, &r1, &r2, &r3); | 
|  | info->fprintf_func(info->stream, "%-12s  %s, %s, %s, %s", | 
|  | op_name, str_r(r0), str_r(r1), | 
|  | str_r(r2), str_r(r3)); | 
|  | break; | 
|  |  | 
|  | case INDEX_op_add2_i32: | 
|  | case INDEX_op_add2_i64: | 
|  | case INDEX_op_sub2_i32: | 
|  | case INDEX_op_sub2_i64: | 
|  | tci_args_rrrrrr(insn, &r0, &r1, &r2, &r3, &r4, &r5); | 
|  | info->fprintf_func(info->stream, "%-12s  %s, %s, %s, %s, %s, %s", | 
|  | op_name, str_r(r0), str_r(r1), str_r(r2), | 
|  | str_r(r3), str_r(r4), str_r(r5)); | 
|  | break; | 
|  |  | 
|  | case INDEX_op_qemu_ld_a32_i32: | 
|  | case INDEX_op_qemu_st_a32_i32: | 
|  | len = 1 + 1; | 
|  | goto do_qemu_ldst; | 
|  | case INDEX_op_qemu_ld_a32_i64: | 
|  | case INDEX_op_qemu_st_a32_i64: | 
|  | case INDEX_op_qemu_ld_a64_i32: | 
|  | case INDEX_op_qemu_st_a64_i32: | 
|  | len = 1 + DIV_ROUND_UP(64, TCG_TARGET_REG_BITS); | 
|  | goto do_qemu_ldst; | 
|  | case INDEX_op_qemu_ld_a64_i64: | 
|  | case INDEX_op_qemu_st_a64_i64: | 
|  | len = 2 * DIV_ROUND_UP(64, TCG_TARGET_REG_BITS); | 
|  | goto do_qemu_ldst; | 
|  | do_qemu_ldst: | 
|  | switch (len) { | 
|  | case 2: | 
|  | tci_args_rrm(insn, &r0, &r1, &oi); | 
|  | info->fprintf_func(info->stream, "%-12s  %s, %s, %x", | 
|  | op_name, str_r(r0), str_r(r1), oi); | 
|  | break; | 
|  | case 3: | 
|  | tci_args_rrrr(insn, &r0, &r1, &r2, &r3); | 
|  | info->fprintf_func(info->stream, "%-12s  %s, %s, %s, %s", | 
|  | op_name, str_r(r0), str_r(r1), | 
|  | str_r(r2), str_r(r3)); | 
|  | break; | 
|  | case 4: | 
|  | tci_args_rrrrr(insn, &r0, &r1, &r2, &r3, &r4); | 
|  | info->fprintf_func(info->stream, "%-12s  %s, %s, %s, %s, %s", | 
|  | op_name, str_r(r0), str_r(r1), | 
|  | str_r(r2), str_r(r3), str_r(r4)); | 
|  | break; | 
|  | default: | 
|  | g_assert_not_reached(); | 
|  | } | 
|  | break; | 
|  |  | 
|  | case 0: | 
|  | /* tcg_out_nop_fill uses zeros */ | 
|  | if (insn == 0) { | 
|  | info->fprintf_func(info->stream, "align"); | 
|  | break; | 
|  | } | 
|  | /* fall through */ | 
|  |  | 
|  | default: | 
|  | info->fprintf_func(info->stream, "illegal opcode %d", op); | 
|  | break; | 
|  | } | 
|  |  | 
|  | return sizeof(insn); | 
|  | } |