| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <math.h> |
| #include <string.h> |
| |
| #include "arch/mips64/asm_support_mips64.h" |
| #include "atomic.h" |
| #include "entrypoints/entrypoint_utils.h" |
| #include "entrypoints/jni/jni_entrypoints.h" |
| #include "entrypoints/math_entrypoints.h" |
| #include "entrypoints/quick/quick_alloc_entrypoints.h" |
| #include "entrypoints/quick/quick_default_externs.h" |
| #include "entrypoints/quick/quick_default_init_entrypoints.h" |
| #include "entrypoints/quick/quick_entrypoints.h" |
| #include "entrypoints/runtime_asm_entrypoints.h" |
| #include "interpreter/interpreter.h" |
| |
| namespace art { |
| |
| // Cast entrypoints. |
| extern "C" size_t artInstanceOfFromCode(mirror::Object* obj, mirror::Class* ref_class); |
| |
| // Read barrier entrypoints. |
| // art_quick_read_barrier_mark_regXX uses a non-standard calling |
| // convention: it expects its input in register XX+1 and returns its |
| // result in that same register, and saves and restores all |
| // caller-save registers. |
| extern "C" mirror::Object* art_quick_read_barrier_mark_reg01(mirror::Object*); |
| extern "C" mirror::Object* art_quick_read_barrier_mark_reg02(mirror::Object*); |
| extern "C" mirror::Object* art_quick_read_barrier_mark_reg03(mirror::Object*); |
| extern "C" mirror::Object* art_quick_read_barrier_mark_reg04(mirror::Object*); |
| extern "C" mirror::Object* art_quick_read_barrier_mark_reg05(mirror::Object*); |
| extern "C" mirror::Object* art_quick_read_barrier_mark_reg06(mirror::Object*); |
| extern "C" mirror::Object* art_quick_read_barrier_mark_reg07(mirror::Object*); |
| extern "C" mirror::Object* art_quick_read_barrier_mark_reg08(mirror::Object*); |
| extern "C" mirror::Object* art_quick_read_barrier_mark_reg09(mirror::Object*); |
| extern "C" mirror::Object* art_quick_read_barrier_mark_reg10(mirror::Object*); |
| extern "C" mirror::Object* art_quick_read_barrier_mark_reg11(mirror::Object*); |
| extern "C" mirror::Object* art_quick_read_barrier_mark_reg12(mirror::Object*); |
| extern "C" mirror::Object* art_quick_read_barrier_mark_reg13(mirror::Object*); |
| extern "C" mirror::Object* art_quick_read_barrier_mark_reg17(mirror::Object*); |
| extern "C" mirror::Object* art_quick_read_barrier_mark_reg18(mirror::Object*); |
| extern "C" mirror::Object* art_quick_read_barrier_mark_reg19(mirror::Object*); |
| extern "C" mirror::Object* art_quick_read_barrier_mark_reg20(mirror::Object*); |
| extern "C" mirror::Object* art_quick_read_barrier_mark_reg21(mirror::Object*); |
| extern "C" mirror::Object* art_quick_read_barrier_mark_reg22(mirror::Object*); |
| extern "C" mirror::Object* art_quick_read_barrier_mark_reg29(mirror::Object*); |
| |
| extern "C" mirror::Object* art_quick_read_barrier_mark_introspection(mirror::Object*); |
| extern "C" mirror::Object* art_quick_read_barrier_mark_introspection_gc_roots(mirror::Object*); |
| extern "C" void art_quick_read_barrier_mark_introspection_end_of_entries(void); |
| |
| // Math entrypoints. |
| extern int32_t CmpgDouble(double a, double b); |
| extern int32_t CmplDouble(double a, double b); |
| extern int32_t CmpgFloat(float a, float b); |
| extern int32_t CmplFloat(float a, float b); |
| extern "C" int64_t artLmul(int64_t a, int64_t b); |
| extern "C" int64_t artLdiv(int64_t a, int64_t b); |
| extern "C" int64_t artLmod(int64_t a, int64_t b); |
| |
| // Math conversions. |
| extern "C" int32_t __fixsfsi(float op1); // FLOAT_TO_INT |
| extern "C" int32_t __fixdfsi(double op1); // DOUBLE_TO_INT |
| extern "C" float __floatdisf(int64_t op1); // LONG_TO_FLOAT |
| extern "C" double __floatdidf(int64_t op1); // LONG_TO_DOUBLE |
| extern "C" int64_t __fixsfdi(float op1); // FLOAT_TO_LONG |
| extern "C" int64_t __fixdfdi(double op1); // DOUBLE_TO_LONG |
| |
| // Single-precision FP arithmetics. |
| extern "C" float fmodf(float a, float b); // REM_FLOAT[_2ADDR] |
| |
| // Double-precision FP arithmetics. |
| extern "C" double fmod(double a, double b); // REM_DOUBLE[_2ADDR] |
| |
| // Long long arithmetics - REM_LONG[_2ADDR] and DIV_LONG[_2ADDR] |
| extern "C" int64_t __divdi3(int64_t, int64_t); |
| extern "C" int64_t __moddi3(int64_t, int64_t); |
| |
| // No read barrier entrypoints for marking registers. |
| void UpdateReadBarrierEntrypoints(QuickEntryPoints* qpoints, bool is_active) { |
| intptr_t introspection_field_array_entries_size = |
| reinterpret_cast<intptr_t>(&art_quick_read_barrier_mark_introspection_gc_roots) - |
| reinterpret_cast<intptr_t>(&art_quick_read_barrier_mark_introspection); |
| static_assert( |
| BAKER_MARK_INTROSPECTION_GC_ROOT_ENTRIES_OFFSET == 2 * |
| BAKER_MARK_INTROSPECTION_REGISTER_COUNT * BAKER_MARK_INTROSPECTION_FIELD_ARRAY_ENTRY_SIZE, |
| "Expecting equal"); |
| DCHECK_EQ(introspection_field_array_entries_size, |
| BAKER_MARK_INTROSPECTION_GC_ROOT_ENTRIES_OFFSET); |
| intptr_t introspection_gc_root_entries_size = |
| reinterpret_cast<intptr_t>(&art_quick_read_barrier_mark_introspection_end_of_entries) - |
| reinterpret_cast<intptr_t>(&art_quick_read_barrier_mark_introspection_gc_roots); |
| DCHECK_EQ(introspection_gc_root_entries_size, |
| BAKER_MARK_INTROSPECTION_REGISTER_COUNT * BAKER_MARK_INTROSPECTION_GC_ROOT_ENTRY_SIZE); |
| qpoints->pReadBarrierMarkReg00 = is_active ? art_quick_read_barrier_mark_introspection : nullptr; |
| qpoints->pReadBarrierMarkReg01 = is_active ? art_quick_read_barrier_mark_reg01 : nullptr; |
| qpoints->pReadBarrierMarkReg02 = is_active ? art_quick_read_barrier_mark_reg02 : nullptr; |
| qpoints->pReadBarrierMarkReg03 = is_active ? art_quick_read_barrier_mark_reg03 : nullptr; |
| qpoints->pReadBarrierMarkReg04 = is_active ? art_quick_read_barrier_mark_reg04 : nullptr; |
| qpoints->pReadBarrierMarkReg05 = is_active ? art_quick_read_barrier_mark_reg05 : nullptr; |
| qpoints->pReadBarrierMarkReg06 = is_active ? art_quick_read_barrier_mark_reg06 : nullptr; |
| qpoints->pReadBarrierMarkReg07 = is_active ? art_quick_read_barrier_mark_reg07 : nullptr; |
| qpoints->pReadBarrierMarkReg08 = is_active ? art_quick_read_barrier_mark_reg08 : nullptr; |
| qpoints->pReadBarrierMarkReg09 = is_active ? art_quick_read_barrier_mark_reg09 : nullptr; |
| qpoints->pReadBarrierMarkReg10 = is_active ? art_quick_read_barrier_mark_reg10 : nullptr; |
| qpoints->pReadBarrierMarkReg11 = is_active ? art_quick_read_barrier_mark_reg11 : nullptr; |
| qpoints->pReadBarrierMarkReg12 = is_active ? art_quick_read_barrier_mark_reg12 : nullptr; |
| qpoints->pReadBarrierMarkReg13 = is_active ? art_quick_read_barrier_mark_reg13 : nullptr; |
| qpoints->pReadBarrierMarkReg17 = is_active ? art_quick_read_barrier_mark_reg17 : nullptr; |
| qpoints->pReadBarrierMarkReg18 = is_active ? art_quick_read_barrier_mark_reg18 : nullptr; |
| qpoints->pReadBarrierMarkReg19 = is_active ? art_quick_read_barrier_mark_reg19 : nullptr; |
| qpoints->pReadBarrierMarkReg20 = is_active ? art_quick_read_barrier_mark_reg20 : nullptr; |
| qpoints->pReadBarrierMarkReg21 = is_active ? art_quick_read_barrier_mark_reg21 : nullptr; |
| qpoints->pReadBarrierMarkReg22 = is_active ? art_quick_read_barrier_mark_reg22 : nullptr; |
| qpoints->pReadBarrierMarkReg29 = is_active ? art_quick_read_barrier_mark_reg29 : nullptr; |
| } |
| |
| void InitEntryPoints(JniEntryPoints* jpoints, QuickEntryPoints* qpoints) { |
| DefaultInitEntryPoints(jpoints, qpoints); |
| |
| // Cast |
| qpoints->pInstanceofNonTrivial = artInstanceOfFromCode; |
| qpoints->pCheckInstanceOf = art_quick_check_instance_of; |
| |
| // Math |
| qpoints->pCmpgDouble = CmpgDouble; |
| qpoints->pCmpgFloat = CmpgFloat; |
| qpoints->pCmplDouble = CmplDouble; |
| qpoints->pCmplFloat = CmplFloat; |
| qpoints->pFmod = fmod; |
| qpoints->pL2d = art_l2d; |
| qpoints->pFmodf = fmodf; |
| qpoints->pL2f = art_l2f; |
| qpoints->pD2iz = art_d2i; |
| qpoints->pF2iz = art_f2i; |
| qpoints->pIdivmod = nullptr; |
| qpoints->pD2l = art_d2l; |
| qpoints->pF2l = art_f2l; |
| qpoints->pLdiv = artLdiv; |
| qpoints->pLmod = artLmod; |
| qpoints->pLmul = artLmul; |
| qpoints->pShlLong = nullptr; |
| qpoints->pShrLong = nullptr; |
| qpoints->pUshrLong = nullptr; |
| |
| // More math. |
| qpoints->pCos = cos; |
| qpoints->pSin = sin; |
| qpoints->pAcos = acos; |
| qpoints->pAsin = asin; |
| qpoints->pAtan = atan; |
| qpoints->pAtan2 = atan2; |
| qpoints->pCbrt = cbrt; |
| qpoints->pCosh = cosh; |
| qpoints->pExp = exp; |
| qpoints->pExpm1 = expm1; |
| qpoints->pHypot = hypot; |
| qpoints->pLog = log; |
| qpoints->pLog10 = log10; |
| qpoints->pNextAfter = nextafter; |
| qpoints->pSinh = sinh; |
| qpoints->pTan = tan; |
| qpoints->pTanh = tanh; |
| |
| // Intrinsics |
| qpoints->pIndexOf = art_quick_indexof; |
| qpoints->pStringCompareTo = art_quick_string_compareto; |
| qpoints->pMemcpy = memcpy; |
| |
| // TODO - use lld/scd instructions for Mips64 |
| // Atomic 64-bit load/store |
| qpoints->pA64Load = QuasiAtomic::Read64; |
| qpoints->pA64Store = QuasiAtomic::Write64; |
| |
| // Read barrier. |
| qpoints->pReadBarrierJni = ReadBarrierJni; |
| UpdateReadBarrierEntrypoints(qpoints, /*is_active*/ false); |
| // Cannot use the following registers to pass arguments: |
| // 0(ZERO), 1(AT), 15(T3), 16(S0), 17(S1), 24(T8), 25(T9), 26(K0), 27(K1), 28(GP), 29(SP), 31(RA). |
| // Note that there are 30 entry points only: 00 for register 1(AT), ..., 29 for register 30(S8). |
| qpoints->pReadBarrierMarkReg14 = nullptr; |
| qpoints->pReadBarrierMarkReg15 = nullptr; |
| qpoints->pReadBarrierMarkReg16 = nullptr; |
| qpoints->pReadBarrierMarkReg23 = nullptr; |
| qpoints->pReadBarrierMarkReg24 = nullptr; |
| qpoints->pReadBarrierMarkReg25 = nullptr; |
| qpoints->pReadBarrierMarkReg26 = nullptr; |
| qpoints->pReadBarrierMarkReg27 = nullptr; |
| qpoints->pReadBarrierMarkReg28 = nullptr; |
| qpoints->pReadBarrierSlow = artReadBarrierSlow; |
| qpoints->pReadBarrierForRootSlow = artReadBarrierForRootSlow; |
| } |
| |
| } // namespace art |